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WO1999049720A1 - Batteuse pour riz et ble et moissonneuse utilisant la batteuse - Google Patents

Batteuse pour riz et ble et moissonneuse utilisant la batteuse Download PDF

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Publication number
WO1999049720A1
WO1999049720A1 PCT/CN1998/000211 CN9800211W WO9949720A1 WO 1999049720 A1 WO1999049720 A1 WO 1999049720A1 CN 9800211 W CN9800211 W CN 9800211W WO 9949720 A1 WO9949720 A1 WO 9949720A1
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WO
WIPO (PCT)
Prior art keywords
hook
threshing
teeth
thresher
stalk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN1998/000211
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English (en)
Chinese (zh)
Inventor
Xingfang Chen
Xingzhong Chen
Xingan Chen
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Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNB981071899A external-priority patent/CN1328942C/zh
Application filed by Individual filed Critical Individual
Priority to AU94275/98A priority Critical patent/AU9427598A/en
Publication of WO1999049720A1 publication Critical patent/WO1999049720A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/06—Combines with headers

Definitions

  • the invention relates to a rice-wheat harvesting machine, and in particular, the invention relates to a rice-wheat primary thresher. In addition, the present invention also relates to a harvester using the thresher.
  • 95237951.1 discloses a first-removal type combined harvesting device, which uses a reed wheel and a splash-proof impeller to feed the ears of the plantation to the threshing drum for threshing; such harvesters are generally
  • the shortcomings are as follows: 1. The ear can only be threshed at the front or lower part of the threshing drum. The removed seeds splash forward and are difficult to collect and cause serious losses. 2. Whether or not there is a feeding device, The threshing intervals that the threshing device can collect are too short, and it is difficult to improve the forward speed and work efficiency of the harvester. 3.
  • the invention is as follows: 1. Provide a kind of rice and wheat native thresher with simple structure and bendable stalk self-feeding, hereinafter referred to as thresher, which can hook the ears of native rice and straw It is pressed and controlled to be threshing in the upper tooth area of its own.
  • the threshing grain is easy to collect, and it can achieve high-efficiency threshing under the conditions of very few broken ears, continuous spikes and non-broken grains, low impurities, and low energy consumption.
  • 2. Provide multiple types of large, medium and small-sized native threshing rice and wheat harvesters using the above thresher; its structure is light, convenient, simple, cheap, high work efficiency, low energy consumption, and can adapt to different uses of rice straw and wheat.
  • the requirements for the selection of harvesting operations in particular, provide portable models for the harvesting of rice and wheat in inaccessible small fields and wetlands.
  • a rice-wheat native thresher is provided.
  • the rice-wheat native thresher can be at least a single or a plurality of side-by-side horizontally positioned on the front of the harvester of the harvester of the harvester. Use in a splash hood.
  • the technical solution of the single thresher is: it has a plurality of threshing teeth (short for teeth) and can be driven and carry the teeth along or around a single horizontal axis or multiple parallel axes as a circle
  • the moving carrier is fixed on the outer peripheral surface of the carrier with a certain axial width and protrudes outward by a certain length.
  • the trajectory of the simple peripheral movement of the outer peripheral surface of the carrier can be contacted with the original non-stemmed waist.
  • the working surface is a solitary surface, and the working running direction of the circular motion makes the striking teeth on the curved stalk working surface move upwards; the characteristics are: all or part of the plurality of striking teeth are hook teeth, the teeth of the hook teeth
  • the body has at least one protrusion or protruding portion with a certain lateral geometric component on at least one side of its working movement direction, referred to as the protruding portion or protrusion.
  • the protrusion farther from the carrier is called the outer layer protrusion.
  • the principle of the shape and spatial distribution of the hook teeth and their protrusions are:
  • the teeth of the hook teeth have several circumferentially or substantially circumferentially communicating stalk spaces, also known as Storage channel
  • the outer perimeter of the stalk channel has at least a hook-like outer layer protrusion.
  • the effective cross-sectional area of the stalk channel of the stalk channel in the outer protrusion trajectory ring can be at least accommodated in the harvest but should not enter All temporary grasses are temporarily stored; the axial width of the hook tooth top is small to facilitate the insertion of the tooth body into the native grass tussock; at least the outer layer with a large lateral geometric component protrudes near the edge of its own trajectory ring Or the surface forms a tooth slope, and the tendency and slope of the tooth slope edge surface can make the native straw that springs on it easy to slide from the tip of the tooth into the stem storage channel; at least the outer layer protrudes Tooth hooks are formed near the edges or faces in its own trajectory loop.
  • the tendency and slope of the tooth hook edges enable the hooks to press into the stalk channel at least at their corresponding working line speed.
  • Grass between each protrusion and its adjacent teeth, there is a gap between the protuberances that allows the native straw to enter the culm channel more smoothly, and at least the distance between each outer protrusion and its adjacent teeth
  • the proper size of the stalk interval cooperates with the working linear speed of the hook teeth and the main relevant geometric parameters of the thresher or the effective width of the stalk interval can be automatically adjusted during work to ensure that the stalk interval enters the stalk during work.
  • the upper part (including the uppermost part and the rear upper part) of the carrier is controlled by a tooth hook to be threshed in the stalk storage channel of the threshing zone or firstly threshing on an additional threshing member behind or above the horizontal thresher.
  • the proper size of the stem-entry interval between each outer layer protrusion and its adjacent tooth body means that the long and elastic primary straw can at least enter the tooth protrusion of the outer layer protrusion, and must be received after entering.
  • the interval necessary for the hook pressing and control of the hook includes the circumferential, axial (ie lateral) and radial intervals between the outer layer protrusion and its adjacent tooth body.
  • the radial distance can be the protrusion and Space on the outer surface of the carrier.
  • the single hook tooth is a rigid hook tooth of a rigid conjoined body or a deformed hook tooth that can be deformed and recoverable during work.
  • the recoverable deformable hook teeth may be at least elastic and / or centrifugal deformable hook teeth.
  • Such hook teeth have at least an outer layer protrusion that is elastically connected and / or hinged to the tooth body, the direction of the elastic force and / Or the direction of its hinge axis is at least such that the outer layer of the projectile is subjected to the pressure of the straw bomb, the counterforce, its own centrifugal force, and / or the displacement of the elastic tooth body, so that the side of the extended end is inserted.
  • the effective width of the stalk interval can be adjusted automatically as the spring pressure of the stalk changes.
  • the carrier carrying the percussion for circumferential movement can be realized as follows: 1.
  • the perforator can be rotated around a single horizontal axis, and the perforation is fixed on the outer peripheral surface of the drum or on the axial slats.
  • Threshers with this carrier form are called hooked drums or drum threshers; 2.
  • the endless belt can be tensioned and driven by two round rollers on the horizontal axis in front and back for circular movement. A support roller or tension roller can be added between the front and rear rollers.
  • the endless belt can be tape, Cloth tape, thin steel tape or plastic tape, etc. Threshers with this carrier form are called endless belt threshers; 3.
  • Transverse plates on the joints of multiple parallel chains that can be driven synchronously by multiple pairs of sprocket wheels on one parallel horizontal axis
  • the bats are fixed on the battens, and the circumferential interval between the battens can be blocked with other lightweight materials to prevent grain leakage.
  • the thresher having this carrier form is called a chain plate thresher.
  • the endless belt type and chain plate type thresher are collectively called the endless type thresher.
  • the threshing teeth in a thresher can all use hook teeth that only protrude from the outer layer. However, in order to increase the chance of threshing and threshing of the ears of the crop, the threshing is accelerated. Under the bar, additional striking teeth can be added in each stalk channel. For example: add rod-shaped teeth at the circumferential interval of the discrete hook teeth on both sides of each stalk channel; add teeth with lateral geometric components to the teeth of various teeth, also known as The inner layer protrudes.
  • the outer surface of the various teeth that can face the stalk ears is called the face or the face.
  • Oblique cross type thresher In order to increase the working linear speed of the teeth and increase the frequency of the ears of the teeth to speed up the threshing, and to reduce the impact force of the ears each time, so as to reduce the impurity content and the rate of broken ears, it can be made so-called Oblique cross type thresher, even when its teething work moves to the threshing area on the upper part of its carrier, the tendency of each of the teeth to at least mainly hit the face at each point on it and the direction of the working linear velocity at that point
  • the included angle (the included angle is called the angle of attack at this point) is a smaller acute angle, and the smaller angle of attack can be matched with a larger working linear velocity; the impacting edge is at a point on it
  • the tendency of is the tendency of the face of the smooth face to face at that point or the tendency of the hypothetical smooth envelope of the face to face at that point.
  • the above-mentioned oblique cross thresher can also be made into an equal-effect thresher, even if the size of the striking angle at each point of at least each of the main striking faces of the teeth is changed with the point, the change is
  • the rule is: When the tooth hitting movement reaches the threshing area, its impact The higher the linear velocity of the striking face, the smaller the corresponding angle of attack. The larger and smaller the ideal degree is to make the thresher strike the stalk at each point on the prism face at the same suitable working speed. The effectiveness of the blow is almost the same, which is most conducive to both speeding up threshing and reducing the rate of panicle breaking and impurities.
  • the carrier of the teeth can be used at least The drum, the teeth of the hook teeth fixed on the outer peripheral surface of the drum are circumferentially or substantially circumferentially extending partitions, and the axially adjacent partitions are substantially parallel and equally spaced from each other, and their protrusions are fixed on the partitions or It is made in one piece with the partition, and there are stalk channels between the partitions.
  • the protruding facets can be diagonal or orthogonal.
  • the angle of attack near the face of the teeth of the various threshers can be made larger, or Dense and small tooth patterns are set on the tooth top and / or on the face of the impact near the tooth tip.
  • the sharpness of the tooth pattern is limited to not cutting the stalk during harvesting.
  • Rolled straw will first be straightened or straightened by the upward picking force and scraping force of the tooth crests and / or its adjacent ridges on the face.
  • a native threshing rice and wheat harvester includes a harvesting device, a grain storage device, and a driving control section; the harvesting device It includes a threshing device, or a grain conveying device between the threshing device and the grain storage device; the driving control part has a walking and steering device, a power transmission device and a control mechanism; the grain storage device and / or the driving control part is This machine is dedicated or borrowed. It is characterized in that: the threshing device has at least one of the original thresher as described above and a splash prevention device for surrounding the spattered grains.
  • One end of the channel has a stalk-inlet opening, and the other end is in communication with the grain storage device or the grain conveying device.
  • the thresher of the present invention has the following advantages: 1. Because it can bend and control the straw in its upper threshing area for threshing, the removed grains rarely splash out of the machine into the stalk working surface and are easy to collect. Therefore, the grain loss rate is extremely small; 2. Because the crop stalk ears are hooked and controlled in the upper stalk storage channel of the thresher, the threshing interval for easy collection of grains is longer.
  • the distribution rules of the hook teeth are: (1), the trajectories of the simple circumferential motion of the hook teeth on the same side of the same storage channel overlap; (2), the same trajectory The hook teeth have at least their outer layer protrusions equally spaced along the circumferential direction; (3) The hook teeth on both sides of the same culm channel have at least the circumferential positions of their outer layer protrusions staggered at equal distances; (4), it is best to make each Each stalk channel, that is, the threshing channel is basically the same width and homogeneous, and thus has the same effect, that is, each stalk channel is an equivalent working unit of its thresher.
  • Figures 1 to 12 are schematic diagrams of a rigid hook tooth mounted on a drum, in which:
  • 1A to 12A are side views of the hook teeth shown in the corresponding figure group, that is, an axial view along the drum;
  • FIGS. 1B to 12B are cut-out diagrams of the hook teeth shown in the corresponding drawing group (the tooth tip 9 is the same height as the tooth tip trace line in the corresponding sub-picture A);
  • 1C to 12C are top views of the hook teeth shown in the corresponding group, that is, a radial view along the drum;
  • 1D to 12D are cross-sectional views of the stalk storage channel formed by the hook teeth shown in the corresponding group;
  • Fig. 2E, Fig. 9E, and Fig. 11E are the blanking diagrams of the method for manufacturing the plate of the hook teeth shown in the corresponding group;
  • FIG. 13 is a schematic diagram of deformation of a deformable hook tooth during work
  • 15 is a schematic diagram of elastic hook teeth protruding into an elastic sheet
  • FIG. 16 is a blanking view of the elastic sheet of the elastic hook teeth shown in FIG. 15;
  • 17 and 18 are schematic structural diagrams of a deformable hook tooth made of an elastic organic material
  • 19 is a partial side view of a centrifugal hook tooth protruding and centrifugally displaceable; 20 is a sectional view taken along the line D-D of FIG. 19;
  • Fig. 21 is a trace sectional view of a thresher with rod-shaped teeth in the middle of the stalk passage
  • Fig. 22 is a trace sectional view of a thresher with a radially outwardly-extended extended end of the outer layer of the stalk passage;
  • Figure 23 is a side view of an equal-effect annular belt thresher
  • each of the sub-pictures A is a front view
  • each of the sub-pictures B is a cross-sectional view of A-A, B-B, and C-C of the corresponding diagram A, respectively.
  • FIG. 27 is a schematic side view of the structure of the threshing device and its additional dividing cone and / or horizontal threshing pan;
  • FIG. 28 is an arrow A view of the additional cereal cone in FIG. 27; FIG.
  • FIG. 29 is a schematic diagram of the connection relationship between the side frame and the hook teeth when the dividing cone is replaced by hook teeth at both ends of the thresher;
  • FIG. 30 is a B-direction view of the rowable stalk thresher used in FIG. 27 in combination with an additional rung thresher;
  • FIG. 31 is a schematic side view of an additional comb-shaped thresher of the thresher
  • FIG. 32 is a B-direction view of the additional comb-shaped thresher in FIG. 31; FIG.
  • 33 is a schematic side view of an additional splash screen of a thresher
  • FIG. 34 is a partial view in the direction of C in FIG. 33;
  • FIG. 35 is a partial front view of a splash curtain with curtain leaves made of elastic threads
  • FIG. 36 is a schematic diagram of a distribution of a multi-layer curtain strip of a splash-proof curtain
  • FIG. 37 is a sectional view of a structure of a splash curtain
  • V-belt 38 is a partial cross-sectional view of a V-belt and a V-belt that can double as hook teeth;
  • FIG. 39 and FIG. 40 are each a schematic diagram of the structure of a human box-type rice and wheat harvester
  • 41 is a schematic structural diagram of a self-propelled box-type rice and wheat harvester
  • 42 is a schematic structural diagram of a human bagged (basket) rice and wheat harvester; 43 to 48 are each a schematic structural diagram of a self-propelled bagged rice and wheat harvester;
  • Figure 49 is a schematic structural diagram of a self-propelled silo-type rice and wheat harvester
  • FIG. 50 is a cross-sectional view taken along A-A of FIG. 49;
  • FIG. 51 is a schematic structural diagram of a front-mounted rice and wheat harvester used in conjunction with a walk-behind tractor;
  • Figure 52 and Figure 53 are each a schematic diagram of the structure of a front-loading rice-wheat harvester used in conjunction with a truck;
  • 54 to 56 are each a schematic structural diagram of a rear-mounted rice-wheat harvester used in conjunction with a truck;
  • 57 to 59 are each a schematic diagram of the structure of an exhaust gas cleaning device.
  • FIG. 60 and FIG. 61 are each a schematic diagram of a structure of a double-separation sorting device which can be used with various grain conveying devices;
  • FIG. 62 and FIG. 63 are each a schematic structural diagram of a doublet in the inner cavity of a grain separator
  • Fig. 64 and Fig. 65 are structural diagrams of a fence sieve each;
  • FIG. 66 is a schematic structural view of a threshing device whose hook-toothed drum is in a vertical position;
  • FIG. 67 is a D-direction view of the threshing device shown in FIG. 66;
  • Fig. 68 is a B-B cross-sectional view of the threshing apparatus shown in Fig. 66;
  • the various hook teeth have at least One side has at least one protrusion or protrusion with a certain lateral geometric component, that is, the protrusion, and at least one so-called outer layer protrusion 8 farther away from its carrier 4 (because its track ring is in the outer layer) ; At least the outer layer protrusion 8 with a larger axial geometric component forms a tooth slope 10 on the edge or surface outside its own trajectory ring.
  • the tendency and slope of the tooth slope can make the stalks that spring on it easily pass the tooth top 9
  • One slides into the stalk channel 15 (the slope of the tooth can best be seen in the hook profile view); at least the outer protrusion 8 is close to the stalk channel 15 in its own trajectory ring (see sub-graph D )
  • the hooks and hooks can be stored in the stalk channel 15 at least at their corresponding working line speeds in terms of their tendency and slope relative to their carrier surface or roller axis. All the stalks that have been pressed into the stalk storage channel from the stalk interval 16; the axial width of the tooth top 9 is small to facilitate the introduction of the tooth body into the original stalk tussock.
  • FIG. 1 to 10 are so-called discrete hook teeth whose tooth body 6 has a small circumferential width.
  • Figures 6, 7, 9, and 10 are so-called skew-type hook teeth or equal-effect hook teeth that can be used for the skew-type hook rollers. The working rotation of the hook teeth carried on the peripheral surface 4 of the roller can be seen.
  • the tooth body of the hook teeth leans to the top of the tooth 9 against the edges of the face 12, and each of the protruding face 13 projects from the tooth body 6 to the side at the same time and to the side of the carrier 4 and makes each of the protrusions
  • the extended end 14 is a certain distance from the carrier peripheral surface 4, so that the hook teeth can mainly meet the tangent planes of the points on the ridge surface or the hypothetical smooth envelope surface 19 of the ridges at the points (see Figure 6A).
  • the threshing efficiency at a certain point of the striking face of the teeth and the rate of spike breaking and impurity in the grains are mainly related to the following factors: (1) The striking face of the teeth The linear speed of the movement of the point relative to the spiked grain, that is, the working linear speed at that point, is also called the striking speed. (2) the size of the impact angle at the point, the smaller the angle, the smaller the impact force, the lower the threshing efficiency and the impurity content of the grain; (3) the horizontal of the impact edge at the point The radius of curvature of the outer profile of the section. The smaller the radius, the higher the impurity content.
  • the oblique or equal-effect thresher can make the linear speed of its purely circular motion much higher than the value of its harvesting forward speed, when it is tillering and its iso-effect form is preferred, its teeth hit the edge.
  • the magnitude and direction of the complex striking speed that varies with the point distribution can be regarded as approximately equal to the simple working ring at that point Peripheral motion linear velocity V.
  • Figures 6 and 7 and Figures 9 to 12 show the approximate shape of the equal-effect hook teeth (the same applies to the additional impact) for the equal-effect hook rollers, that is, the cross section of each of its striking faces
  • the farther away from the surface of the drum 4 that is, the greater the linear velocity of the circumferential motion
  • the shape of the surface can finally be determined through multiple experiments, and the judgment is based on the following: under the condition that the basic structure, working speed and threshing efficiency of the thresher are the same, the closer it is to the grains that are hit by the face of the equal-effect shape
  • 1 to 5 and 8 are examples of so-called orthogonal hook teeth which can be used for the orthogonal hook roller.
  • the angle of attack at each point is all right or near right.
  • FIG. 11 and 12 are so-called partition-type hook teeth which can be used for the partition-type hook roller.
  • Each figure is a partial view of a ring-shaped plate-shaped tooth body 6 in a circumferentially connected body.
  • the outer layer projects 8 equidistantly in the circumferential direction. It is fixed on the annular partition plate 6, and the outer layer protrusions 8 on the left and right sides can be staggered and distributed along the circumferential direction (as shown in FIG. 11), or they can be distributed on the left and right in the same circumferential direction (as shown in FIG. 12).
  • the outer protrusion 8 can be bent with the iron plate tooth body 6 (see Figure 11E), that is, the protrusion block 8 is bent by about 90 ° along the dotted line in the ring, and the protrusion face and the tooth slope are both formed by the side block. 13 rolls are formed, and each of the outer layers protrudes behind the tooth top 9 and the reclining tooth body is formed by the side block 12 rolls and can be engraved with lateral small tooth patterns on its peripheral shuttle or Small teeth leaning back to help straighten the straw.
  • the iron plate tooth body 6 can also punch out a number of staggered backward inclined angular or left and right convex and concave inner layer protrusions 7 to the left and right sides to help accelerate threshing.
  • the iron plate tooth body can be welded to its carrier 4, or (see FIG. 11E) can be riveted to the carrier 4 through the tooth root 5 (bent 90.) with a small hole 400.
  • the plate-shaped tooth body can also be made of other materials, such as a plastic plate.
  • Its protrusion can be integrally formed with the tooth body or can be riveted separately.
  • Its outer layer protrusion 8 can be flattened by the front end of a stick and riveted through a small hole.
  • the outer layer protrusion can also be bent with an iron plate.
  • Various protruding facets of partition-type hook teeth It is best to be diagonal or equal force as shown.
  • various rigid hook teeth can be selected according to their shape characteristics. For example, they can be bent or welded with iron rods or stern plates, or they can be stamped, cast, or molded with wear-resistant plastic. As shown
  • the hook teeth shown in 9 can be blanked according to the blanking diagram shown in FIG. 9E by using the stern plate.
  • the inner layer protrusion 7 can be punched out first, and the rivet hole 400 on the small root block 5 can be drilled, and then bent. And make: 1) the tooth root block 5 is bent by 90 ° along the inner dashed line; 2) the dashed line 104 forms the boundary line between the side of the tooth body and the hook surface 11; 3) the remaining dashed lines serve as the tooth body to meet The face 12 or the outer layer protrudes against the edge of the face 13; 4), the tooth top 9 is narrower; 5), the cross-sectional figure of the tooth body is U-shaped.
  • the blanking plate of the hook teeth similarly bends the strips on the outer sides of the dotted lines to form teeth or protrusions.
  • the additional threshing teeth with only the inner layer protruding can be made with iron plate cutting and used in combination with the above-mentioned hooking to increase the chance of panicle attack.
  • FIG. 24 is an orthogonal hook-type drum using hook teeth similar to FIG. 1 and FIG. 8;
  • FIG. 25 is a skew-type or equivalent force-hook roller using single-sided hook teeth similar to FIG. 6; Hooks in Figures 11 and 12
  • the partition-type hook-tooth roller (without the inner layer protruding) is fixed to the drum peripheral surface 4 in a ring-shaped plate-shaped tooth body 6 in parallel and equidistantly. It can be seen from the figures that the three types of hook tooth rollers described above all adopt the equidistant staggered tooth arrangement method, and their common characteristics are as follows: (1) The axial bodies of the axially adjacent hook teeth 18 have a circumferential direction. The connected annular storage space is the storage stalk channel 15, and each working unit is the same and equivalent;
  • the hook-tooth roller rotates in the direction indicated by the arrow to make the hook 18 at the solitary stalk working surface 17 move upward; (3) There are hooks at multiple places on the outer periphery of each stalk channel The outer layer protrudes 8. (4) The average distance of the outer layer protrusion 8 from the outer peripheral surface of the drum enables the effective cross-sectional area of the stalks that can be stored in each stalk channel 15 to at least store all the temporarily stored stalks that have entered and not yet retreated. .
  • the size of the hook-toothed drum or its height-adjusting mechanism makes the height of the hook during the harvesting operation is that the upper threshing area is slightly lower than the ear of the crop to be harvested to ensure that the ear is not hit by the front and threshing, causing the grain to splash and lose.
  • the lower teeth are at a certain distance from the ground to facilitate insertion into the straw gap.
  • each tooth slope 10 is large and the outer end 14 of the outer layer protrusion 8 of the same horizontal row of hook teeth 18 is axially spaced 16a from the axially adjacent tooth body or the extended end (the interval 16a is mainly external).
  • the axial geometric component of the layer protrusion and the distance of the end traces are also relatively large.
  • the same horizontal row of hook teeth 18 on the stalk working face 17 will be easily inserted into the denser straw gap synchronously.
  • any straw that is located between any two axially adjacent tooth tips 9 will easily slide directly or along the tooth slope 10 into the straw space 16a.
  • the side swings along a tooth slope 10b, bypasses the extended end 14b, and then bounces along the stalk interval 16b to enter the hook.
  • the straw In the process of entering the hook, the straw can hardly receive its circumferentially adjacent outer protrusion 8a or 8c block.
  • the upper culm of the culm is bent backward along the trajectory of the tine and the spike is subjected to a backward impact, so that the middle and lower portions of the culm are pressed against the tooth area. More conducive to sliding along the tooth slope into the subsequent upward-spinning hook. In this way, during the process of being continuously pressed and bent by the hook and threshing, the upper part of the straw no longer has the opportunity to eject the hook, and can only retreat from the thresher relatively reversely along the stalk channel due to the advancement of the whole machine. 2).
  • the axial distance d between the extensions 14 on both sides of the same stalk channel 15 has also become circumferentially connected.
  • the stalk interval is 16c, and the stalk insertion will be more smooth.
  • Tests and inferences prove that as long as the tendency and slope of the hook face 11 (see each hook tooth pattern) and the protrusion adjacent to the leading edge and the tendency and slope of the face 13 meet the corresponding working linear velocity as a protrusion 8
  • the spike can be subjected to sufficient tangential component forces in the direction of the protruding linear velocity and radial inward component force, or the straw can be bent along the trajectory of the tooth hook 11 to a certain extent. Even if the stalk spike is simultaneously subjected to axial (lateral) component force and swings inside out for a short time, it will leave the protrusion 8 because it already has at least a partial velocity that swings radially inward. Lateral successors on the side are hooked up.
  • the upper part of the stalks and the ears that have entered the stalk channel 15 can be subjected to left and right alternate teeth.
  • the body strikes strongly and oscillates and bends in a serpentine shape without the opportunity to bounce out at the stalk interval 16c that is connected in the circumferential direction.
  • the stalks on the surface and in the tooth area of the stalk working surface are always subject to successive upward rotation of the tooth slope.
  • the lower part of the threshing straw When the harvester turns to one side, the lower part of the threshing straw first moves gradually to the other side relative to the thresher, and the upper part of the straw follows the lateral movement and successively enters the adjacent rod storage channel.
  • the The upper part of the straw that is hooked in the tooth zone can be moved from the circumferential interval of the discrete tooth body to the adjacent storage channel, so that the ear can always be knocked off. Grain.
  • the ring-shaped baffle-shaped tooth body can also be disconnected in several places in the circumferential direction to form a helical (ie, non-circumferential) passage through the stalk, so as not to waste a little time for threshing when the stalk spike reenters the adjacent stalk channel.
  • the ground clearance of the horizontal thresher can be appropriately reduced (the height adjustment mechanism will be described later), and the harvesting direction of the harvester is basically the same as that of the straw.
  • the harvesting direction of the harvester is basically the same as that of the straw.
  • the easy-to-measure data and the data values that should be realizable for reference that can be inferred from the easy-to-measure data are as follows: ( 1), the diameter of the drum is 280 mm (the higher the straw, the larger the drum); (2), the average distance of the outer layer protruding from the outer peripheral surface of the drum is 30-50 mm (determined by the maximum average density of the straw); (3) In the trace profile, the slope of the tooth slope relative to the horizontal axis of the thresher is 40. -65.
  • the sides of the horizontal thresher and the upper part are provided with anti-splash covers and the front is not The simplest way to harvest without any splash protection and no additional threshers behind it. If you want to make the total grain loss rate less than 2%, you can It is determined that each ear is at the uppermost part of the thresher, and the forward and backward moving distance during the threshing time is about 100 ⁇ m; (13), and (11), (12) The parameters corresponding to the parameters of the harvester are 0.3-2 meters. Per second, corresponding to the working of the thresher per meter width The effect is about 1.8-11 mu / hour.
  • All the hook teeth of FIG. 1 can be used to form an orthogonal threshing machine according to the cloth tooth method of FIG. 25; (2) The hook edges shown in FIG. 6 are used at the end of the drum, and the teeth shown in FIG. 7 are used at the middle of the drum. The hook teeth can form an oblique cross thresher. (3) The same threshing machine can all adopt single-sided hook teeth similar to FIG. 1 or FIG. 6 or FIG.
  • the outer layer protrusions 8 of the hook teeth of the left half of the thresher are set on the right side to make the thresher
  • the outer layer protrusions 8 of the right half of the hook teeth are set on the left side, so that only one side of the stalk channel in the center of the thresher has the hooks 11 of the outer layer protrusion 8 on the sides, and the other stalk channels are only On one side, there are tooth hooks protruding from the outer layer, and on the other side, only the tooth body can strike the spikes.
  • the outer protrusions can still be staggered and distributed at an equal distance.
  • the related parameters can be similar to the above through trials.
  • the protruding hook tooth edge surface 11 of the outer layer of the hook teeth tends to hook into the stalk channel 15 (as shown in FIGS. 1 and 6) or at least does not tend to move outside the trajectory loop ( (See Figures 8 and 12) to make it easier to hook the straw.
  • the hook surface 11 of the hook 8 in the outer layer 8 of the hook teeth shown in FIG. 3 to FIG. 5 tends to be out of the track ring, so that the extended end 14 becomes the tooth tip 9, and FIGS. 3D, 4D, and 5D are corresponding ones.
  • the working unit of the hook roller that the hook teeth are still staggered according to the cloth arrangement method is a trace profile of a certain stalk channel.
  • the slope or curvature of the hook edge surface 11 and its working linear velocity and other Relevant geometrical parameters cooperate to make the grasshopper receive a projecting blow force, and the component force in the track loop can overcome the elastic force of the straw outside the ring. It can also hook the stalk ears to the threshing channel 15 to thresh, especially the teeth.
  • the body (see Fig. 4) or the outer protrusion 8 (see Fig. 13) is both more inclined to lean forward and lean forward.
  • the stalk-entry interval 16 is relatively wide, when a certain stalk 20 slides into a stalk storage channel 15 along a certain tooth slope 10, it will swing to one side and the tooth hooks 11 on the side are sequentially pressed.
  • the circumferential distance C of the outer layer protrusion 8 of these three orthogonal threshers can be smaller than the above, and the circumferential positions of the adjacent hook teeth of the track can be entered into the stalk faster without being offset by an equal distance.
  • Other parameters for cooperation refer to the orthogonal thresher of FIG. 24. Broken spikes when the linear working speed of the orthogonal teeth is below 6 m / s Less.
  • the truncation diagram of the stalk storage channel of the orthogonal or oblique thresher can be shown in FIG.
  • an additional threshing tooth 23 having a certain radial component may be provided on the outer peripheral surface of the various threshing gear tooth carriers 4, and the angle of attack thereof is equivalent to that of the hook teeth.
  • the trace of the thresher can also be made as shown in FIG. 21, that is, a plurality of tall rod-shaped teeth 24 with the same trace are added in the middle of its wider storage channel 15, and its outer tip 25 extends to the left and right hook teeth.
  • the circumferential position of the rod-shaped teeth can be staggered from both the left and right hook teeth, so that the wider culm interval 16 and the culm channel 15 are both divided by the rod-shaped teeth 24- It is two to facilitate the patency of the stalk.
  • FIG. 13 is a schematic diagram showing the deformed hook teeth on both sides of the rod channel in operation. Deformed trace profile.
  • the above-mentioned steel wire hooks with finer impacting edges can be combined with more additional toothing groups to form threshers suitable for lower working linear speed V, and can also wear hoses on thinner wire jackets.
  • threshers suitable for lower working linear speed V
  • the trace profile is shown in Figure 15. That is, the outer layer protrusion 8 can be bent with a hardenable thin steel sheet and can be riveted on the rigid tooth body 6. The protrusion against the edge 13 can be crimped by the steel sheet. to make.
  • FIG. 16 is a blanking view of a thin steel sheet used for an oblique cross thresher.
  • Two small holes 306 are holes for riveting with the tooth body 6, and the whole piece is bent along the dotted line 307 above the small hole to form the tooth top 9.
  • the arrow indicates the working movement direction after riveting with the tooth body, and the small side block 13 is curled into a protrusion obliquely intersecting with the movement direction to meet the face.
  • the front of each of the outer layers of the above elastically deformed internal stresses that protrude close to the apex of the tooth can be blocked by a shielding piece connected to the tooth body 6 to prevent pinching leaves or broken ears.
  • At least part of the tooth body with unilateral or double-sided outer layer protrusion with moderate elasticity is composed of an organic elastic material similar to abrasion-resistant hard rubber, and the radial thickness of the outer layer protrusion may be small and its circumferential direction The width can be large.
  • the rubber tooth body can be clamped directly on the carrier or can be fixed on the rigid tooth body with no outer layer protrusion.
  • the fixing method with the rigid tooth body can be as follows: a: The longitudinal sectional view of the hook teeth is shown in Figure 17 That is, the tooth body 6a of the rubber tooth body with the outer protrusion 8 is held by a rigid tooth body rolled by an iron plate.
  • the cross-sectional pattern of the iron plate tooth body 6b can be basically U-shaped, and it can be riveted by its root, Welded or clamped on the carrier 4; b.
  • Its longitudinal cross-sectional view is shown in FIG. 18, that is, the tooth body 6c of the rubber tooth body with the outer protrusion 8 is a hollow sleeve, which can be sleeved on the carrier 4.
  • the outer periphery of the rod-shaped rigid tooth body 6d can be fastened by binding around a thin steel wire or fixed by a cross.
  • a short shaft 309 extending tangentially rearward of a trajectory ring that basically moves along its circumference can be fixed near the tooth top 9 of the discrete or partitioned tooth body 6 and hinged on the shaft or left and right
  • Two protruding blocks 8 having a small moment of inertia may be made of wear-resistant plastic or rolled with a thin metal sheet (such as a cymbal) to shaft holes and perpendicular or oblique to meet the edge 13.
  • the protruding block 8 is composed of Shoulder on short axis 309 or The lateral pin is positioned axially, it can rotate a certain angle around its axis and limit the position.
  • the protruding block 8 When the protruding block 8 moves around the threshing area above the carrier along with its body, the protruding block 8 is subject to its own centrifugal moment and the straw to the ring.
  • the torque of the external rebound force causes the extended end 14 to swing outwards until it is limited by the groove 310 and the protruding edge 311 on the shaft to a position with a small tooth slope angle. At this time, the distance d of the extended end is also small to facilitate pressure. Hold the stalk spikes in the stalk channel.
  • a torsion spring can also be added to offset the centrifugal moment of the protruding block. Fortunately, when entering the working surface of the stalk, the above two moments are balanced so that the tooth slope angle is about 20 °).
  • the torsion spring can be installed in the shaft hole or at the rear of the protruding block.
  • All the hook teeth with outer protrusions in the same thresher can use the above-mentioned deformed hook teeth, but they can also be mixed with rigid hook teeth to reduce costs.
  • circumferentially or axially adjacent hook teeth are separated by two types.
  • the arrangement of the entire hook teeth can still adopt the equidistant staggered tooth arrangement method, but the outer protrusion can be smaller in the circumferential distance or the working linear speed can be greater.
  • All kinds of threshers can adopt the equidistant staggered tooth arrangement method without strict rules, such as: (1) Hook teeth, especially the tooth body, need not be strictly equidistantly distributed in all directions; (2) The tooth body on the same side of the culm channel, especially the tooth body, need not coincide with the trajectory, that is, the culm channel only needs to be basically connected in the circumferential direction.
  • Various teeth can be provided with an inner layer protrusion 7 (see Figures 9-12), which can only help to speed up threshing. It can also be similar to the outer layer protrusion. It can press the stalk spike to the carrier and use the outer layer protrusion. Cover the grain splashing in front of the machine.
  • the striking edge 12a near the tooth tip 9 is used to straighten or straighten the tilting straw (See Figures 6A and 12A.)
  • the radial height component does not need to be large and the size of its angle of attack can be selected based on the speed of straightening the straw and the number of leaves that are broken.
  • the tooth top and / or The selection principles of the size and sharpness of the small tooth patterns 103 (as shown in Fig. 11E and Fig. 26B) that can be added to the adjacent facets are similar.
  • the striking face 12a near the tooth top 9 may be preferably set near the rear of each outer layer protrusion 8 so as not to thresh. effect.
  • FIG. 23 is an axial view of an oblique equal-effect endless belt threshing machine. Because the working linear velocity of the teeth of the threshing zone on the upper tight side of the carrier 4 is the same, the impact speed is the same. The equal-effect attack angles at the points of the tooth striking face are also equal at each point, so the hook teeth 18 made of the wire in the figure are in the shape of a broken line.
  • the length of the upper side of the belt-type thresher carrier 4, the inclination angle, and the size of the front and rear rollers or wheels are optimized based on factors such as the height of the straw, the number of grains splashing forward, and the efficiency of transporting the grains backward.
  • the back roller (or sprocket) can be used as the driving roller.
  • the ring piece clamps the hook teeth.
  • the outer peripheral surface of the ring piece is used as the drum peripheral surface.
  • the ring piece is axially perforated or has multiple semicircular hole grooves on the inner periphery for fixing and clamping the hook through a plurality of long bolts and the drum spoke plate.
  • the hook teeth are fixed on the slat.
  • the rear edge of the ring inner slat can be made into a tooth surface that can be driven by meshing with the rear four axial grooves of the driving roller. If a steel strip is used as a carrier, the narrow strip can be brazed or riveted to the steel strip.
  • the following changes can be made according to the working conditions: (1) If the stalk smoothness is found to be good The control of stalks and spikes by tooth hooks is not recommended. If it is better, the following related parameters or characteristics can be changed individually or in multiples as follows: 1, reduce the circumferential distance C of the outer layer protrusions to be smaller; 2, reduce the end trace distance d of each outer layer protrusions Reduce and / or increase the axial geometric component of the protrusion (the width of the stalk channel can also be appropriately increased accordingly); 3, make the tendency and slope of the hook surface more toward the track loop; 4 1. Increase the working speed of the teeth. 5.
  • the rice-wheat native thresher of the present invention can also be used to harvest long barley crops such as barley, oats, oil seed, corn, and corn, and can also be used in various threshers for threshing after cutting. Corresponding parameters can be selected and optimized for the application.
  • threshing device 3 As shown in FIGS. 27, 31, 33, and 39 to 56, there is a threshing device 3 at the front of the native threshing rice and wheat harvester of each scale.
  • the threshing device 3 has at least one drum-type thresher whose axis is arranged horizontally. Hook-tooth roller 1 or endless belt thresher 2
  • thresher 1 or 2 a splash guard 49 fixed or placed on the rack
  • the splash guard 49 has a top cover plate and a side baffle plate, and the inner surface of the splash cover 49 is between the thresher 1 or 2
  • the stalk introduction particle channel 317 has a full-width stalk inlet 315 at the front end of the channel 317, and the other end is in communication with the grain storage device or the grain elm feeding device.
  • the inner surface of the top cover plate of the splash guard 49 is preferably a curved surface capable of reflecting the sputtered grains backwards, or a cushioning material is also attached to the inner surface of the rear part to prevent the enclosed grains from being damaged.
  • the side of the threshing device 3 that is not harvested can be added as shown in Figure 28
  • the spatial position of the inner side 320 of the divided cereal cone 319 can at least guide the boundary receivable straw 20 to the tooth slope 10 of the hook 18 of the threshing end of the thresher 1 or 2.
  • the furrow cone may be replaced by the hook teeth 18 at the extreme end of the thresher 1 or 2 and the front end of the frame 79 may be extended into the track loop of the outer protrusion 8 of the hook teeth 18 at the outermost end.
  • an additional threshing pan can be provided in the splash guard 49. After receiving the pre-threshing of the stalk, it enters the hook-tooth drum 1 to continue threshing.
  • a cross beam 321 with a width that can block longer straws is provided near the hook drum 1 near the hook cylinder 1.
  • the cross beam may be a flat plate (Fig. 39) You can also add many small teeth or rod-shaped comb teeth 322 on it
  • the hook-toothed drum 1 used with the above-mentioned additional threshing piece is preferably an oblique cross-section. Tests have shown that when the hook 11 of the hook 18 is in the tangential view of the hook-toothed drum 1 or as shown in FIG. 27 The hook shape shown in the axial view does not cause the stalk 20 to sink into the hook too deeply, and at the same time, the angle between the tooth hook striking face 13 and the axis of the hook roller 1 shown in the warp view shown in FIG.
  • the ear 21 of the longer straw blocked by the additional threshing member can be discharged from the hook 11 and left on the additional threshing member.
  • the retained ear portion 21 can be threshed in advance and gradually detached from the additional threshing piece, and then enter the hook-tooth drum 1 to continue threshing.
  • a cross beam 323 is installed above or behind the diagonal or non-skew hook-tooth drum 1.
  • a horizontal row or multiple horizontal rows are fixed on the cross beam and spaced along each row.
  • Many long comb teeth 324 extending in front of the front, the front of the comb teeth
  • the tip 326 does not protrude from the outer layer 8 of the hook teeth 18 on the stalk-intake working surface 17 of the hook drum 1.
  • the interval between the adjacent comb teeth in a single row should be slightly smaller than the ear diameter of the crop ear 21, and multiple rows
  • the adjacent rows of comb teeth are preferably staggered and the interval between the rows of comb teeth in the same row can be larger than the diameter of the crop ears.
  • a number of small comb teeth 325 can be added to the sides of the long comb teeth 324
  • the small calyx teeth are best inclined backward and downward.
  • the gap between adjacent calyx teeth should be smaller than the grain size and larger than the branch diameter of the spike branch, so as to facilitate the smooth passage of the straw from the comb space and improve the comb threshing. effect.
  • This or additional threshing piece can be used with oblique or non-diagonal or hooked rollers 1.
  • the movement required for combing and threshing of higher native straws on the comb teeth can be pulled and pulled by the hook of the hooked roller 1. And / or the relative backwardness of the whole machine.
  • the curtain has a beam 330 installed at the front of the hood panel of the splash guard 49 and one or more horizontal rows of curtain bars 331 fixed at the upper end to the beam 330.
  • the strips protrude downward in parallel, its lower end 332 is suspended and close to the crests of the hook teeth 18 in the front upper part of the thresher 1 or 2.
  • the curtain strips 331 can pass at least the ears 21 of the native crops smoothly.
  • the cord 331 is preferably made of cord 335 which is not easy to bend backwards and deforms laterally and elastically and from Two curtain leaves 333 (see FIG. 34) or filaments 334 (see FIG. 35) which are protruded and easily elastically deformed.
  • the cross section of the curtain strip 331 can be as shown in FIG. 37.
  • the curtain ribs 335 are preferably flat, and the curtain blades 333 are preferably angled with the apex angle facing forward.
  • the curtain leaf 333 and the curtain wire 334 may be made of an elastic organic material.
  • the curtain wire may also be a steel wire, which is clamped, bonded or sleeved on the curtain bone 335 with a sleeve 336.
  • the multi-row curtain strips are preferably staggered in the adjacent rows (see Figure 36).
  • Splash-proof wheel As shown in FIG. 43, a full-width splash-proof wheel 337 near the front edge of the top cover of the splash-proof cover 49 is provided on the upper and front of the thresher 1 or 2. A plurality of circumferentially spaced and uniformly spaced pieces are arranged on the wheel shaft 338. A blade 339 of a certain length is extended outside. The defense The installation height of the splash wheel 337 is such that the blade 339 is close to or can be inserted into the native crop near the thresher. During operation, the splash wheel is rotated in the lower direction from front to back, and the grains sputtered forward and upward are covered by The blade 339 blocks and throws into the stalk-introducing particle guide channel 317 in the splash guard 49.
  • Front fan One or more coaxial centrifugal fans are arranged on the front and top of the thresher 1 or 2.
  • the shaft of the fan is horizontally horizontal, the rotation direction of the impeller is preferably rotated downward, and the position of the air outlet can be adjusted slightly higher than The head of the crops, so that the wind flows backward and obliquely down, and the ears are blown ahead of the thresher; the air outlets of multiple coaxial fans can be gradually expanded forward and / or wind guide blades can be set in the air outlets to make the full width
  • the spikes within the wide range receive uniform wind.
  • This fan can not only prevent the grains from sputtering forward, but also feed the stalk ears in advance to increase the time of threshing.
  • Partial structure cross-sectional view 38 shows a triangular belt pulley which can be arranged in the tooth zone of a hook tooth cylinder.
  • the wheel on both sides of the rim has protrusions 8 distributed at a distance from the outer peripheral surface 4 of the drum in a circumferential direction.
  • the protrusions 8 cooperate with the double-sided triangle belt 347 to form a tooth slope 10 and
  • the hooks 11 for the straw can be hooked.
  • the grains removed by the threshing device 3 of the harvester are directly classified into the fixed or withdrawable storage granules placed under the threshing device 3.
  • Box 51 the grains in the box can be removed by removing the rear part 48 of the splash cover 49 (as shown in Fig. 39, Fig. 41) or withdrawn from the box (as shown in Fig. 40). Take out the open food intake.
  • the front edge 52 of the grain storage box 51 should be as close as possible to the lower or rear part of the thresher 1 or 2.
  • the sides of the box, or at least the lower part facing the side of the unharvested crops, should preferably be widened as much as possible.
  • the driving control part of the low-level box-type harvester can be borrowed from other agricultural walking machines, or it can be realized by the following special methods.
  • the wheel drive type traveling equipment The installation includes: a sliding board arranged below the grain storage box 51 or used by the bottom surface of the grain storage box
  • a wheel shaft for driving the ground wheel 61 is provided at the lower end of the wheel fork 62.
  • the wheel fork 62 is provided on the fixed wheel fork shaft sleeve 64 via the wheel fork shaft 63 to drive the ground.
  • Each side of the wheel 61 is provided with a pedal rod 65, and one end of the pedal rod 65 is coaxially or coaxially connected with the wheel shaft 66 of the driving wheel 61 on the ground wheel fork 62.
  • a pawl 68 on the blade 67 (can also act on a ratchet wheel fixed to the ground wheel), and a pedal 69 is provided at the other end of the pedal.
  • a seat cushion 54 is provided on the upper end of the wheel fork shaft 63 above the driving wheel 61.
  • the drive mechanism of the thresher 1 or 2 is composed of a pair of manual crank and rocker mechanism 56 and a speed-increasing gear pair 57 which are arranged in parallel on both sides of the fuselage, and the manual part is a piece connected with the rocker 58 on both sides. ⁇ ⁇ ⁇ ⁇ 59 ⁇ Horizontal push rod 59.
  • the operator rides on the seat cushion 54 and pushes the push rod 59 with both hands to drive the thresher 1 or 2 to run, and at the same time, his feet alternately perform work on the pedal 69 to drive the whole machine forward. Since the driving wheel 61, the pedal 69, and the seat cushion 54 are all in the same system with the wheel fork shaft 63 as the rotation center, the operator is driving the driving wheel 61 to turn.
  • the transmission mechanism of the thresher 1 or 2 is composed of a pair of triangular belt pulleys 70 or a pair of chains
  • the wheel is composed of a set of parallel and synchronized crank and link mechanisms.
  • One side of the crank 71 is fixed on the driving wheel, and the other side of the crank 71 is fixed on the axle 72 which is rigidly connected to the driving wheel.
  • the horizontal manual push-pull lever 59 is connected at both ends, and the other end is connected to the crank 71 via a crank pin; (2)
  • the drive wheel 61 adopts a chain drive, and the active sprocket 74 and the left and right legs each have three pedals 69.
  • the coaxially rigid connection of the tread wheel is provided on the bracket 75 connected to the wheel fork 62; (3)
  • the planetary wheel steering mechanism is adopted.
  • the mechanism has a sector shape with the wheel fork shaft 63 as the rotation center and the rigid connection of the frame.
  • the gear 76 has a small gear 77 disposed on a wheel frame 87 connected to the wheel fork 62 on the outer periphery thereof, and the steering wheel 78 drives the small gear 77 to rotate around the steering shaft
  • the sector gear 76 makes planetary movements to deflect and steer the drive wheels 61.
  • this driving control method is powered by the entire machine 3 ⁇ 4 engine 80, and its running device includes a sliding plate 53 provided below the grain storage box 51 or used by the bottom surface of the grain storage box, and a wheel carrier or a transmission box (deceleration) Box or gearbox) at least one driving wheel 61 provided behind the grain storage box 51.
  • the engine 80 is arranged at the middle or one side of the frame above the driving wheel 61, which is beneficial to the balance of the whole machine and ensuring sufficient adhesion of the driving wheel. Its power can be used alone or in combination with belt drive, chain drive, open type or box type. Gears, worms and worms are transmitted to the drive wheel 61 and the thresher 1 or 2 respectively.
  • This type of harvester can be operated by walking and walking.
  • the armrest 85 and the rack are fixedly connected to the upper and rear sides of the driving wheels 61.
  • the whole machine is steered by the steering mechanism or by the operator directly applying lateral thrust to the armrest 85. If a trailer or tail wheel connected to the frame is added to the rear and upper part of the handlebar 85 and a seat cushion is provided on it, the machine can be used for both walking and riding (see Figures 44 and 45).
  • threshing height of thresher 1 or 2 can also be provided with the following height adjustment mechanism:
  • the shaft of the front roller of the hook roller 1 or the endless belt thresher 2 is set on a frame with mounting holes of different heights via a bearing seat 181, and different selections are made according to different heights of the crops. Mounting hole can get the right threshing height.
  • the rear end of the sliding plate 53 is hinged to the frame via the left and right hinge pins 182, and a left and right side of the sliding plate 53 can be changed to a support sleeve 83 between the front of the sliding plate 53 and the threshing device 3.
  • the connecting rod 84 is connected to change the length of the supporting rod 84, the connecting length of the supporting rod 84 and the supporting sleeve 83 is adjusted, the sliding plate 53 rotates around the hinge pin 182, and the threshing device 3 as a whole is raised to obtain the required threshing height.
  • the frame may be provided with a plurality of hinge holes 183 of different heights.
  • the height of The adjusted support rod 84 is provided with one driven wheel 86 on the left and right, and the length of the support rod 84 is adjusted so that the thresher 1 or 2 obtains an appropriate threshing height.
  • the driven wheel 86 can be removed to make the sliding plate 53 slide on muddy water, which is helpful to reduce the running resistance.
  • the driven wheel 86 can be used to compare the resistance. Small scroll marches.
  • the above-mentioned threshing height adjustment mechanisms such as ⁇ and the above-mentioned row-row stalk rowing method, are used to adapt the crop height to a wider range.
  • the manpower machine that uses the crank rocker mechanism 56 and the gear pair 57 to drive the thresher can also place its crank rocker mechanism in place for threshing.
  • the front of the device doubles as a human-powered rice paddy machine that can be operated by one person.
  • the front part of the upper cover plate of the splash guard 49 is preferably retractable or removable.
  • FIGs 42 to 48 each show a bag-type harvester.
  • the grain removed by the threshing device 3 of the harvester is directly lifted into the bag tube 50 by an endless threshing belt thresher. As shown in Figure 42), or by the grain conveying device to the bag-in tube 50 (as shown in Figures 43 to 48).
  • the bag loading tube 50 is provided at an operator's reach, and a bag support plate 89 for holding a grain bag 88 is arranged below the bag support tube 89.
  • the bag support plate 89 may be specially designed or may be provided by a sliding plate 53 in a walking device. Dual use.
  • the following simple measures can be adopted: (1) Divide the bag-entering pipe 50 into two branch pipes, and set a switchable grain-cutting valve at the confluence of the two branch pipes, or set each branch pipe separately.
  • the grain interception valve may also be provided with a grain interception valve 91 on a single bagging tube 50 having a certain grain storage pipe section as shown in FIG. 45; (2) As shown in FIG. 45, two outside the bagging tube 50 are provided The bag hook 92 and the bag mouth of the grain bag 88 or the bag ears are hung on the bag hook 92; (3) As shown in FIG. 44, at least one of the two bag hooks 92 is fixed at one end to the upper part of the bag tube 50 and has a certain size.
  • Length of rope Or the elastic band can be stretched.
  • one side of the ears of multiple spare grain bags 88 can be pre-threaded into a rope or tape. Take one by one when changing the belt. Stretch the tape to easily stretch the bag hook 92. Exit from the loaded grain bag 88 to be replaced; (4) As shown in FIG. 47, the bag support plate 89 is hinged on the fixed frame, and the bag is placed flat when receiving the food, and it is fixed when the bag is unloaded The deflection tilts the bag to the side of the harvester to the ground.
  • the driving control part of the bagged harvester can be borrowed from other agricultural walking machines, or it can be implemented by the following special methods:
  • the driving device and the transmission device of the driving control method can adopt the basic structure of the above-mentioned low-position box-type manpower machine, and the differences are as follows: (1), the sliding plate 53 below the threshing device 3 can also serve as a carrier bag Plate 89; (2) Manual push-pull rod 59 drives threshing device 3 through the transmission mechanism.
  • the specific structure please refer to the following mobile bagging machine).
  • the knuckle 93 of the driving wheel 61 may be provided at the rear middle portion of the sliding plate 53.
  • the operator riding on the seat cushion 54 simultaneously exerts a lateral force on the manual push-pull rod 59 during the persuasion exercise. Steering can be achieved just like a walk-behind tractor.
  • a sliding plate 53 having a certain lateral width is provided at the lower rear of the threshing device 3, and one or two of the sliding plates 53 are arranged on the transmission box via the axles behind the sliding plate 53.
  • the driving wheel 61, the engine 80 is provided on the frame above the driving wheel 61, the bag holder 89 is provided behind the driving wheel 61, and there are two left and right armrest handles 85 protruding from the rack at the upper rear of the bag holder 89, The operator assists in the step-and-follow operation. The whole machine applies a lateral force to the handle 85 or the steering mechanism realizes the steering.
  • the method of moving the engine can be used to tension the V-belt.
  • the tensioning mechanism has an eccentric rod 101 and connects the eccentric rod 101 and the engine 80
  • the connecting rod 102 pushes and pulls the pseudo-mandrel 101 to deflect and limit the position, and the engine slides on the base to tighten or relax the V-belt.
  • a drop tray 103 (see FIG. 44) or a tail wheel 104 (see FIG. 45) and The seat cushion 54 thereon, which is connected to the frame or the bag holder 89 via the traction pin 184 together with the carriage 103 or the tail wheel 104, needs to be mounted on or removed from the clothes.
  • this driving control method has a driving wheel 61 in the middle of the rear of the whole machine, at least in front of the driving wheel 61 has a wide sliding plate 53, a driving cushion 61 has a cushion 54 above the front of the cushion 54 It is the bag loading tube 50, and the front and bottom is a bag holding plate 89.
  • the steering mechanism of the whole machine can adopt the following methods individually or simultaneously:
  • the seat cushion 54 and the sliding board 53 can extend to both sides of the driving wheel 61 respectively, and the operator moves the human body left and right to make the driving resistance of the whole machine asymmetrical and turn.
  • Each of the left and right sides behind the sliding plate 53 is provided with a foot-type mud-increasing resistor 111.
  • the front end 113 of the swing lever 112 is hinged on the frame, and the rear end is fixed with rake teeth that are easy to enter the mud.
  • the teeth are preferably arranged horizontally in multiple intervals.
  • the middle part of the rod is provided with a pedal 69 and a return frame for the upper hem.
  • the rear end is fixed with rake teeth that are easy to enter the mud.
  • the rake teeth are preferably arranged in multiple intervals horizontally.
  • the rake teeth are preferably arranged in a plurality of horizontal rows.
  • the middle part of the rod has a pedal 69 and a return mud on the upper side. Depth control. Because the forward speed of the harvester is slow, the increase of the resistance increaser is not much.
  • the synchronous drive and single-action can be implemented by: (1) Two driving wheels 61 are respectively arranged on the left and right half shaft extensions of the transmission box. There are two left and right steering clutches in the transmission box. The two steering clutches are engaged or separated at the same time to make the entire straight drive or turn ( Figure Not shown);
  • the two driving wheels 61 are respectively driven by the output shaft of the transmission box 113 with a steering clutch via a chain transmission mechanism (see FIG. 47).
  • the sliding plate 53 is extended to the front of the two driving wheels 61, or another sliding plate is provided in front of or between the two driving wheels, and the two driving wheels 61 are respectively arranged on the left and right symmetrically via the axles.
  • the rear ends of the two wheel forks 114 and the front ends of the two wheel forks 114 are respectively hinged on the left and right output shafts 115 of the transmission box 113 or on the frame and the hinge center coincides with the axis of the output shaft 115.
  • the chain transmission mechanism transmits power to the left and right drive wheels 61.
  • the two driving wheels 61 are lower than the floor 53.
  • Proper adjustment of the spring force or connection position of the spring 116 can enable the two driving wheels 61 to obtain a suitable depth of penetration into the mud and reduce unnecessary subsidence resistance.
  • Overcoming the elastic force of the spring 116 on one side makes The fork 114 on the corresponding side drives the driving wheel 61 to rise upward by a certain height, which can reduce the adhesion of the driving wheel 61 on the corresponding side to leave the ground, and the harvester is driven by the single-sided driving wheel 61 and turned.
  • the lifting mechanism that lifts the driving wheel 61 against the elastic force of the spring 116 can be realized by a simple and labor-saving woodworking lever mechanism.
  • the fulcrum of the lever 117 of the mechanism is hinged on the frame, and one end of the lever 117 passes through the rod 118 and the middle of the wheel fork 114 or The rear part is hinged, and the other end is provided with a pedal 69 for operation.
  • a steering wheel 119 is disposed at the lower end of a wheel fork 62 that extends obliquely rearward and downward through a wheel shaft, and a wheel fork shaft 63 at an upper portion of the wheel fork 62 is provided at a wheel fork shaft fixedly connected to the frame.
  • the pedals 69 provided on the wheel fork 62 and protruding to both sides are operated, and the steering wheel 119 deflects with the wheel fork 62 to steer the whole machine; if a differential transmission device is provided between the two driving wheels 61, Makes steering more flexible;
  • the transmission device is provided with a steering clutch capable of single-acting the driving wheel 61, so that the steering wheel 119 can automatically adapt to the steering, and of course, the pedal 69 can also be operated to cooperate with the steering;
  • the threshing height of the threshing machine 1 or 2 of each of the above-mentioned bagged harvesters can be adjusted as follows: (1) As shown in FIGS. 43, 44, 45, the threshing machine 1 or 2 or the threshing device 3 and the sliding plate 53 A support rod 84 and a support sleeve 83 which can be movably and positionally connected with each other are arranged symmetrically between the left and right, and the connection length of the support rod 84 and the support sleeve 83 is adjusted to raise or lower the thresher 1 or 2 or the threshing device 3; (2 ) As shown in FIG. 42 and FIG.
  • the support rod 84 has a fixed length, and a plurality of optional hinge holes are provided on the sliding plate 53.
  • the support rod 84 is connected to different hinge holes to enable the thresher. 1 or 2 or threshing device 3 is raised or lowered; (3), various adjustment methods of the low-level box-type harvester as described above, or other methods such as hydraulic pressure, screw mechanism, etc. may also be adopted;
  • the thresher 1 or 2 or the threshing device 3 can be connected to the frame via the revolving frame and the transition driving wheel can be set at a position where the axis coincides with the revolving center line.
  • the slewing rack may be dedicated or used by the housing of the conveying device (see Fig. 47).
  • the grain removed by the threshing device placed horizontally on the front of the machine is conveyed to the grain silo directly or re-sorted and sorted by the grain conveying device, and the grain silo or the compounded sorting device is set in front of the walking device.
  • the walking device On the upper back or upper side, the walking device may be specially designed, or other agricultural walking machinery (such as a crawler or four-wheel tractor) with a certain load-bearing capacity may be borrowed.
  • Fig. 49 and Fig. 50 show a specific embodiment of a warehouse-mounted harvester.
  • the walking device of the machine adopts a track 120 with a large grounding area.
  • a granary 121 or a double-separation sorting device is provided at the upper rear of the walking device.
  • An engine 80 and a cushion 54 are arranged in front of the granary 121 and a double-separation sorting device 186.
  • the threshing device 3 and the grain conveying device are connected by hydraulic pressure.
  • the suspension mechanism 162 or other suspension means is placed in front of the walking device, and the grains removed by the threshing device 3 are conveyed to the multiple de-cleaning device 186 through the previous-stage conveying device 185, and then conveyed by the multiple-de-cleaning device 185.
  • the device is delivered to the granary 121.
  • the subsequent conveying device of the multiple de-separating and clearing device 186 preferably can change the conveying route.
  • the double separation and cleaning device 186 there is a horizontal set stirrer 163 that sends clean grains to the grain silo 121.
  • the bottom surface of the dragon trough of the aggressing agitation 166 has an opening and closing bin opening 167.
  • the inlet bin 167 is opened, and the stirrer 164 is stopped, and the grains are discharged into the silo 121 via the stirrers 163, 165, and 166; when the grains need to be discharged from the silo 121
  • the bin 167 is closed, the auger 163 stops or runs opposite to the thrust of the auger 164, and the grain in the warehouse is discharged and unloaded by the auger 164, 165, and 166, or the auger 165 and 166 stop turning and are discharged by auger 163 and 164 (at this time, the side of auger 164 should communicate with the outside world, shown in the figure);
  • the grain storehouse 121 is storing grain
  • the grain inlet is still closed, the stirrer 164 stops or runs opposite to the thrust
  • the harvester is provided with at least a walking, steering device and a grain storage device by a transportation machine with a cargo box; the harvesting device or at least its threshing device is arranged in front of the transportation machine supporting it through a connection and / or suspension mechanism; the harvesting device has The grains removed by the threshing device are conveyed to the conveying device of the cargo box.
  • connection and / or suspension mechanism of the threshing device may be implemented as follows:
  • Fig. 51 shows a connection mechanism suitable for use with a transporting machine such as a walk-behind tractor with no load-bearing capacity at the front.
  • This mechanism sets the threshing device 3 together with the front of the conveying device on a sliding plate 53 to slide.
  • the plate 53 is hinged to the frame of the walk-behind tractor 169 via the rear end of the bracket 168 connected to the plate 53.
  • the hinge pin is preferably coaxial or coaxial with the axle of the intermediate transmission wheel 170.
  • the rear of the transporting pipe 408 can be suspended on the trailer 173 and the railing 172 with a rope or chain 171, and it is best to make the transporting pipe 408 and the tractor 169
  • the perpendicular of the traction pin 174 intersects, and a ball joint 175 is provided at the intersection.
  • the mechanism has a pair of left-right symmetrical mounting brackets 360 that can be mounted on the front end of the frame 370 of a truck, and a pair of left-right symmetrical ends between the two fixing brackets 360 and the harvesting device suspension 361.
  • the working height of the harvesting device is adjusted by a lifting mechanism.
  • the left and right double rockers 362 deflect synchronously as the height of the adjustment is adjusted to stabilize the harvesting device in the corresponding position.
  • the lifting mechanism may be a hydraulic oil cylinder, a wire winch, a lever mechanism, or a screw mechanism 363 as shown in FIG. 67. In order to keep the rear part of the lifting tube in the harvesting device backward to the carriage, it is not affected by the height adjustment of the front part and does not leave the support point.
  • the lifting pipe preferably has a flexible hose. If each rocker 362 is set to be the same length and parallel, the harvesting device can adjust the height by translation, and the working performance is more For stability.
  • one or two left and right sections of the sleeve 380 with the same transverse axis line are fixed to the front or lower end of the frame stringer 370 or the longitudinal extension 379.
  • a power transmission shaft can be installed in the sleeve. 381 in order to facilitate the use of the harvesting device to draw power from the car engine
  • the two sides of the casing can be used as supporting shafts for the harvesting device and the transportation machinery, and there are two left and right symmetrical shafts on the left and right supporting shafts of the casing 380.
  • the lever 383 is hinged to it, the left and right levers can be rigidly connected at the rear, and articulated to the lower end 385 of the piston rod of the hydraulic cylinder 384, and the upper end of the hydraulic cylinder body is articulated to the frame 370.
  • the hydraulic pump can be provided by a car or a manual hydraulic pump).
  • the front end 387 can reach the horizontal vertical plane of the center of gravity of the harvesting device and is provided with a semicircle ⁇ / groove.
  • a pair of short-axis 386 pairs of left and right symmetry are provided at the appropriate position of the harvesting machine frame 382 at the horizontal plane.
  • the groove can be hinged with the short shaft 386.
  • the rear end of the harvesting device frame 382 has a solitary plate with the short shaft 386 as the axis.
  • the plate has a plurality of optional positioning holes 388 which can be connected to the front of the longitudinal beam of the vehicle. Stretch The positioning holes on the ⁇ 379 are used for positioning with pins. During the suspension and harvesting operations, the height of the front of the lever is adjusted by hydraulic cylinders.
  • the front stage of the grain conveying device of this machine can adopt various conveying methods of the other models mentioned above.
  • the rear stage or final stage of loading grain into the car can be realized as follows:
  • a centrifugal fan 406 is provided at the rear of the threshing device 3, and an outlet pipe of the fan is a conveying pipe 408 and the incoming grain pipe 36 of the previous-stage conveying device is directly connected or communicated through an air closer 407 and Extending to the car, the transport path can be:
  • the conveying pipe 408 passes back and upwards across the dune cab and blows the grains to the carriage.
  • the tail of the pipe can be supported by the railing of the truck or the special support frame.
  • the elevation angle of the grain section can be adjusted by using the natural wind. Of cereals for cleaning;
  • One or more holes are opened at an appropriate part of the bottom plate of the carriage, and the conveying pipe 408 communicates with the holes by a single pipe or divided into multiple branch pipes to lift the grain into the carriage; in order to make the carriage full of grain
  • Each hole can also be provided with a so-called loading tube that is higher than the car rail; when it is necessary to borrow the supporting transportation machinery for other transportation operations In the industry, you can remove the loading tube and plug the hole to block the hole.
  • the power required by the harvesting device of this machine can be provided by a dedicated engine, or it can be taken from the engine, transmission or reducer of borrowing transportation machinery.
  • the machine at least its walking, steering and grain storage devices are provided by a combined cargo truck, which has a front engine, a drive rear axle, a frame suspended by leaf springs, a truck box, the vehicle and its associated
  • the corresponding features of the harvesting device include: (1), the vehicle's transmission has at least one reverse gear suitable for the forward speed of the harvest, and the vehicle retreats forward during the harvesting operation; (2), the vehicle's frame has a The corresponding active connection mechanism of the harvesting device is installed.
  • the threshing device may be installed at the lower rear of the frame, that is, the rear of the rear wheel of the car, and at least one side of the threshing width of the thresher exceeds the car.
  • the harvesting device has a grain conveying device for loading grains into the car from the side of the car or through the floor of the car; (4) the harvesting device is provided from The car's engine is divided into power or another engine with a lower persuasion rate.
  • This type of harvester can use the following methods to adjust the working height of its thresher: (1), the mounting bracket of the thresher is connected to the frame via the transverse pin, and the speed reduction mechanism or the hydraulic cylinder is used to rotate the support by hand (2)
  • the mounting bracket of the threshing device is fixed at the rear of the frame, and the vehicle is provided with a hydraulic system that can adjust the height of the rear of the frame, that is, the height of the threshing device from the ground, or is also used to dump the car.
  • the system has two left-right symmetrical or one left-right centered (the car's decelerator can be offset).
  • the lower end of the hydraulic cylinder body is hinged or warped by a lateral pin and a bracket fixed on the rear axle housing of the car. Articulated connection, the upper end of the piston rod of the hydraulic cylinder or the a of the piston.
  • the hydraulic power output end is connected to the frame via a transverse pin or via a ball joint to make the hydraulic red Adjust the lift off the suspension frame by adjusting the height above the ground at the rear of the frame during the harvesting operation The height of the threshing device in the granulator from the ground; b.
  • the car also has a movable hook H that can hook or detach the chassis undercarriage from the frame and a movable hook L that can hook or detach the chassis from the rear axle shell.
  • the hydraulic cylinder can adjust the ground clearance height of the thresher by adjusting the ground clearance height at the rear of the frame during the harvesting operation; when the hook H is not When the chassis of the truck is hooked to the chassis and the hook L is used to hook the chassis to the rear axle shell, the hydraulic cylinder can make the truck dump food.
  • the suspension method of suspending the harvesting device on the rear bottom of the frame is realized by the following embodiments. As shown in FIGS.
  • the threshing device 3 is bolted to the rear lower part of the car's auxiliary beam 413, that is, the rear of the rear wheel 431 through its bracket 410 and the cross beam 411 of the bracket.
  • One side extends beyond the outside of the side wheel 431 to prevent the wheel from damaging the border crop.
  • the left and right longitudinal beams of the car are preferably of the upper and lower two-layer type, so that the rear extension of the upper auxiliary beam 413 is higher off the ground and is suitable for harvesting higher crops.
  • Each part of the grain conveying device included in the harvesting device that loads grains into the car from the side of the car 435 is fixed to the car frame or its extension bracket by bolts.
  • the final stage lifting device of the grain conveying device is realized by the following methods: (1) The lifting pipe of the chain lifting plate lifter or lifting stirrer or valley lifter or fan passes through at least one side of the carriage. The grains are lifted into the car at the top, and the upper grain outlets of various lift pipes are connected to the grain guide pipe for guiding the grain in the car. For models using hydraulic dumping, the grain guide pipe can be rotated or detachable. In order to prevent the cart from overturning when unloading the grain; (2) one or more holes are set on the bottom of the box of the car; during harvest, each hole can be installed with a grain loading tube, The upper grain outlet is higher than the surrounding fence of the car, and the lower end is connected to the grain inlet of the front-stage grain conveying device. When the car transports other goods, each hole can be blocked by its corresponding cover. The loading pipe can be bolted to the undercarriage of the carriage through a flange plate thereon.
  • the final stage of the grain conveying device corresponding to the loading tube may be: (1), The final stage of the centrifugal fan, the inlet of the fan can be as described above, and the outlet of the fan is connected to the loading pipe; (2), the final stage impeller valley lifter is connected to the loading pipe, The tube can be bent into a corresponding parabolic shape; (3) The above-mentioned loading tube is used as the outer shell to constitute the lifting auger. For models with hydraulic self-unloading, the lower end of the loading tube is automatically docked with the upper end of the corresponding lifting tube. The shell and shaft of the lifting auger can also be automatically docked in two stages when unloading grain.
  • the orientation of the grain outlet of the loading pipe is preferably such that the car box is substantially full or connected with a horizontally extending grain guiding pipe that can change the loading orientation.
  • FIG. 56 is an embodiment of the rear-mounted truck-mounted harvester that uses the hydraulic system to adjust the working height of the thresher and to dump the grain.
  • the rear end of the chassis 412 of the carriage 435 and the rear end of the auxiliary beam 413 are The transverse pin 436 is hinged, and the harvesting device and the mounting bracket 410 of the thresher 1 are fixed at the rear of the auxiliary beam 413.
  • the lower end of the hydraulic cylinder 428 is hinged by the transverse pin 429 and the bracket 430, and the bracket 430 is connected to the rear axle housing 432.
  • the stroke amplifying mechanism of the piston of the hydraulic cylinder is composed of tie rods 427 on both sides of the cylinder block and levers 415 on both sides.
  • the lower ends of the two tie rods 427 are hinged by a pin 429, and the upper ends of the two are connected by the lateral pins 414 and the rear ends of the two levers 415.
  • the front ends of the two levers are hinged by a transverse pin 419 and the chassis bottom frame 412, and the middle rear pin holes of the two levers are hinged by the transverse pin 416 and the upper end of the piston rod 417; for easy operation, the movable hooks are left and right
  • Two double hooks H and L mounted symmetrically on the outside of the frame beam 370 are made of double hooks on each side, and the middle part of the double hook is hinged to the frame beam 370 via a transverse pin 422;
  • On the rotating shaft 422) at least The lower hook L with a double hook on one side is provided with a tension spring 425 for disengaging it, and the upper hook H is provided with a cable 424 which can overcome the elastic force of the tension spring to disengage the cable.
  • the working process is as follows: When the tension spring 425 disengages the left and right lower hooks L and connects the left and right upper hooks H with the horizontal axis on the chassis 412, as long as the piston of the hydraulic cylinder 428 is controlled, the rear of the auxiliary beam 412 can be adjusted.
  • the threshing height of the thresher 1 to adapt to harvesting crops of different heights; when the operating cable 424 overcomes the tension spring 425, the upper and left upper hooks H are disengaged and the lower left and right
  • the bracket 426 of the horizontal pin 423 and the leaf spring 434 are fastened to the rear axle housing by U-bolts 433, so the auxiliary beam will not be pinned when the hydraulic concrete piston is tilted and the grain is discharged.
  • the shaft 436 is lifted.
  • a sleeve-type hydraulic cylinder can also be used to increase the stroke of its piston rod without a separate stroke enlargement mechanism.
  • the following measures can be adopted: (1). Using a double-acting hydraulic cylinder, when the car is unloaded with food, the Make the piston work downwards and force the distance between the frame and the rear axle to be smaller until the lower hook L can hook its corresponding cross pin, and then make the piston go upward to advise the dump box to unload the grain; (2), make the lower hook L corresponding cross pin
  • the distance from 423 to the rear axle housing is adjustable.
  • the left and right brackets of the transverse pin 426 have multiple pairs of transverse pin holes of different heights. This bracket is preferably cast in one piece with the rear axle housing, and its position can be on the side of the hydraulic cylinder. Inside the body, a corresponding movable hook is also installed above the bracket, that is, inside the frame beam.
  • the hydraulic cylinder piston When the harvester is transporting grain on the road, the hydraulic cylinder piston can be placed in a free floating state, which can assist the leaf spring to act as a buffer.
  • the operating mechanism of the hydraulic valve can be set in the driving room for easy operation.
  • the machine When harvesting, the machine can use the rearview mirror to determine the direction of regression.
  • the power required by the harvesting device can be set in the car's transmission or in the rear axle reducer to take off the power, or an engine with a lower power can be set.
  • the above-mentioned cargo trucks used in conjunction with the harvester be equipped with two rear driving wheels and can be easily replaced.
  • One is a common driving wheel suitable for ordinary transportation, and it has been proved that it is also suitable for harvesting operations in hard wheat fields under general climate conditions; the other can be similar to the driving wheel of a tractor or an existing large harvester.
  • This type of driving wheel is more suitable It is suitable for the operation of marshy rice and wheat fields.
  • the grain conveying device is represented by T and classified according to the flow of the grains. 1 category.
  • Their common features are shown in Figures 42, 46, 54, and 55. They are all equipped with an endless belt thresher 2 with a higher rear axle position, and the carrier conveys the removed grain to a higher position, a splash guard 49 and the rear slide plate 440 form a high grain guide channel 317 which can lead out the grain backwards.
  • the high-level grain guide channel 317 gradually expands backwards into one or two left and right bag-feeding tubes 50.
  • the Tu-type grain conveying device can be used for the aforementioned various small widths and the lightness of the grain bag near the threshing device. Bagging machine. If two left and right bag-feeding tubes are used, it is best to manually control the left and right bag-feeding tubes to be blocked or opened by manual control so that the left and right grain bags 88 can be replaced without stopping when one person works.
  • T 12 type The above-mentioned high grain guide channel 317 slides down the grains into the air outlet pipe 442 of the final stage lifting fan 406, and the grain conveying pipe 408 connected to the air outlet pipe blows the grains into the grain bag 88.
  • the grain guide channel 317 divides the grains into the high-level horizontal agitator 26 behind the belt threshing unit 2.
  • the agitator horizontally collects the grains to its side or Central food outlet.
  • the grain outlet 27 of the horizontal set auger 26 is in communication with the lower part of the elevator auger 445, and the upper opening of the auger 445 is connected to the bag tube 50.
  • the lifting auger 445 can be driven by a bevel gear pair 503 at the lower part.
  • FIG 55 may be used when the vehicle rear-mounted harvester shown, the 13 Î ⁇ grain auger outlet 26 of 27 air downwardly through the closed end 407 and the stage 406 elevators wind pipe 442 communicates, The upper end of the lifting pipe 408 communicating with the air outlet pipe is fixed or automatically grounded and communicates with the loading pipe 446 installed on the chassis of the trunk 435.
  • This type can also be used in front-mounted truck-mounted harvesters.
  • one or more side-by-side lifting augers or lifting centrifugal fans or impeller-type valleys can also be installed behind the horizontally-set auger 26 at the high position.
  • Device to connect the outlet 27 of the high-level horizontal auger with their inlet (see above), and their ascending tubes communicate vertically or rearwardly with the loading tube 446 passing through the floor of the trunk.
  • T 134 It is suitable for bagging machines or rear-mounted truck-type harvesters.
  • the auger 26 pushes grains to one side of the harvester. On the corresponding side, a chain scraper elevator or impeller that is coaxial with the auger 26 is installed.
  • the grain elevator 37 coaxial with the auger 26 behind the rear wheel 431 side of the car lifts grains from the side of the car box 435 into the car box through its lifting pipe 447.
  • the upper end of the lifting pipe is the best Bend to the side of the trunk or have a reflector.
  • the valley lifter 37 can also be replaced by a chain scraper elevator.
  • a longitudinal grain conveying device is provided at the rear of the drum-type or belt-type thresher, which receives the grains falling from the grain guide channel of the threshing device 3 and conveys them upwards and backwards to the high-level horizontal agitation dragon 26.
  • Long grain delivery device subsequent stage may be the same class ⁇ 13 described above.
  • the longitudinal grain conveyor can be implemented as follows:
  • the conveyor belt is the same width as the thresher 1.
  • the front roller is smaller and can be placed horizontally near the lower rear of the thresher 1 to facilitate the collection of grain.
  • the rear roller can be used as a driving roller.
  • an upper or lower pressing roller can be installed not far behind the front roller.
  • a shaker plate 41 having the same width is arranged near the thresher 1; the front end of the shaker plate extends to the lower and rear of the thresher 1 to facilitate the reception and removal of grains.
  • the high-level horizontal set auger 26, the upper surface of the wobble plate has zigzag-shaped transverse ribs and grooves 42, the wobble plate is shaken back and forth by a small amplitude obliquely upwards and downwards, and the grains on the wobble plate are thrown upward and upward.
  • the baffle plates on both sides can be extended backward by the side baffle plates of the thresher.
  • the wobble plate may be supported and driven by a crank 43 located at the upper or lower part of its skeleton, and the other end thereof may be supported by a rocker 44 hinged thereto.
  • the front part of the wobble plate can also be bent forward and stretched and restricted by the rollers to basically shake back and forth.
  • the common feature of this type of grain conveying device is that the threshing device 3 sorts the grains into the thresher 1 through the stalk-guiding channel 317.
  • the rear low-profile agitation dragon 28 may be provided with a forward-extended sliding valley plate 30 between the groove shell 29 of the auger 28 and the thresher.
  • Stir Dragon 28 collects the grain horizontally to the middle or side grain outlet, which is connected with the following grain lifting device:
  • the cross-grain mix outlet collector 28 communicates Long elevator stirred into the lower portion of long grain inlet 504, an upper elevator stirred Long grain exit port 504 communicating tube 50 into the bag.
  • Every elevator that is coaxial with the low-level auger 28 can be installed on one of the side shaft extensions of the auger 28. If it is set in the middle of the auger 28, the front of the shell of the elevator is angled to make the grains It does not lose by reflecting forward and downward).
  • Model T 34 as shown in FIG. 53, a small valley lifter which is coaxial with the low-level transverse agitation dragon 28 lifts the grain into the subsequent larger valley lifter 37, and the upper end of the lift pipe 36 passes the air closer 407
  • the lifting pipe 408 communicates with the lifting fan 406, and the lifting pipe 408 communicates with the aforementioned loading pipe from under the frame.
  • the left and right two sets of positive and negative spiral blades of the left and right set of agitation dragons 28 can set grains to the middle or somewhere on one side.
  • the long trough casing 29 is opened downwardly or to one side to communicate with the suction pipe 38.
  • the upper end of the suction pipe 38 is connected to the inlet of the enlarged cavity portion of the grain separator 39.
  • the outlet of the separator 39 is connected to the centrifugal fan 406 through the suction pipe 40.
  • the air inlet keeps the separation tank 39 at a negative pressure capable of sucking up the grain. Grain grains fall through the air closer 407 under the separator and enter the fan 406, which is the lift pipe 408, which is connected to the lift pipe 408. Bag tube 50 or loading tube.
  • the suction centrifugal fan may be: (1) a dedicated suction and exhaust fan, that is, only the light impurities in the grain can enter the suction and exhaust fan through the suction pipe, and then blow out the machine through the air outlet pipe of the fan (2) As shown in Figures 45 and 52, the suction centrifugal fan is also the last-stage lifting fan 406.
  • the separator 39 may use Generally, a volumetric or cyclone type separator, etc., the air closer may be a rotary vane type or a one-way valve type.
  • the one-way valve type air closer may be a valve closed by gravity and / or elastic force, which is hinged in the grain feeding pipe 501, as shown in FIGS. 45, 51, and 52. A certain thickness of grains on it prevents the air flow from the blowing pipe 408 from flowing back to the suction pipe. Either type can be used for the two vehicle-mounted harvesters.
  • the tank of the separator 39 When used in a rear-mounted harvester, as shown in FIG. 56, the tank of the separator 39 may be installed in front of the rear wheel 431 or outside the side member 370, or the space outside the trunk side may be used.
  • the lower part can be tilted toward the inside of the car so that the grains can fall into the air outlet pipe 442 of the lifting centrifugal fan 406 installed on the longitudinal beam of the car through the air closer 407.
  • its impeller can be installed on the same horizontal axis as the impeller of the lifting fan 406.
  • the suction pipe 38 can pass through the circular hole 502 on the side member of the vehicle through the middle of the vehicle and communicate with the separator 39.
  • Fig. 44 shows a sorting grass sieve 126, which is placed obliquely between the lifting pipe 36 and the bag-into bag 50. The grass is separated by the inclination of the sieve and the vibration of the engine to the whole machine.
  • Figures 45, 51, and 52 show a very simple exhaust gas cleaning device 127, which has a clear flow channel 128 that communicates with the blowing pipe 408 and the flow area is relatively enlarged, and the pellets entering the cleaning flow channel 128
  • the air flow decelerates to the suspending speed of the grain (about 7 m / s).
  • the grain is settled and slid into the bag tube 50 (or the grain discharge tube) via the inclined plane 129, while the light debris continues to be suspended and is carried by the air flow into the waste pipe. 130 until discharged out of the machine or into the miscellaneous box.
  • a louver slide 131 may also be provided in the cleaning flow path.
  • the upper slope surface of the louver slide 131 ushers in the flow direction, and the arrangement interval and the slope of the slope can at least allow the grains to smoothly slide down.
  • the upper part of the relatively enlarged cleaning flow path 128 of the port on the blowing pipe 408 has a curved surface 132, which can make the grains that are decelerated with the air flow reflect downward and fall quickly into the grain output pipe 50. The light debris continues to be suspended and is carried by the airflow into the dust removal pipe 130.
  • a jujube-shaped inner shell 132 is located near the upper port of the blowing pipe 408.
  • the inner shell and the outer shell 133 are fixed to the blowing pipe 408 by bones and bones, and a cross section is formed between the inner and outer shells.
  • the cleaning flow channel 128 having a circular shape and a gradually enlarged cross-sectional area, the grains entering the cleaning flow channel 128 decelerate and settle with the airflow, and fall into the chute 135 through the annular grain outlet pipe 134 between the lower end of the casing 133 and the blowing pipe 408 While entering the grain storage device, the light debris still goes up with the decelerating airflow and is discharged out of the machine through the waste pipe 130.
  • the blowing pipe 408 is connected to the cleaning flow path 128 with an enlarged flow area.
  • the lower surface 136 of the cleaning flow path 128 is inclined so that the settled grains can slide into the grain output pipe 50, and the impurities are light. With the decelerated airflow, the object is discharged out of the machine through the impurity discharge pipe 130.
  • a re-separation device can be added to the grain separation or cleaning device.
  • Figures 41 or 43, 45, 47 each show a waste removal mechanism that can be used in a threshing device to directly discharge weeds out of the machine or can be detached again.
  • a sieve 143 Inside is located behind the hook roller 1 (or endless belt thresher) is a sieve 143 that can intercept the debris in the particle guide channel 317 and allow the grains to pass through.
  • the lower part of the sieve 143 is close to the rear lower part of the hook roller 1 until it is under the working surface of the hook roller into the stalk. With the help of the hook roller The hitting teeth on 1 throw the weeds intercepted by the trash sieve 143 toward the ground; (2) As shown in FIG.
  • a small threshing roller is arranged horizontally behind the hook-toothed roller 1 for the purpose of removing and retreating.
  • the weeding sieve 180 is connected to it, and the debris is dropped into the gap between the small roller 141 and the concave plate 142 along the impurity sieve 143 and the weeds are thrown by the small roller 141 to the hook roller 1 after being removed.
  • the front peripheral surface of the concave plate screen 142 is extended to a suitable envelope length that can accept falling debris without being thrown to the hook drum 1.
  • the threshing teeth of the small drum 141 can be installed spirally obliquely or The spiral guide plate, along with the debris sieve 143 falling into the gap between the small drum 141 and the four-plate sieve 142, is repeatedly removed from the machine by the spiral shaft thrust.
  • the above structure is also suitable for a dual-axis thresher, where the small threshing drum 141 can also double as a crossbar as described above, so that the diagonal hook-type drum can realize threshing of taller straw in advance and replace the threshing gear threshing height adjustment mechanism. .
  • the dual-purpose structure is a horizontally rotatable pattern in the shell 140 of the separator.
  • a rod or percussion type double-removing drum 141 is provided with a concave plate 142 under the double-removing drum 141.
  • the grain Continue to move forward during settling, and its grains pass through the sieve 143 It fell into the feed tube 501, and the debris was trapped and fell into the compounder.
  • the compounder roller 141 was rotated in the direction shown by the arrow, and the compound was drawn into the threshing gap between the compounder roller 141 and the concave screen 142. The removed grains pass through the tt?
  • Fig. 63 is another dual-purpose structure in which a re-isolator is added to the inner cavity of the volumetric separator.
  • the working principle is basically the same as the above method, except that it is an axial-flow type.
  • Spiral teeth 146 in front of 141 and grid sieve 148 in front of W-plate sieve 142 separate the grains from the debris, and push the reciprocating threshing drum 141 to the threshing gap formed by the concave screen 142 and the spiral guide 147.
  • the subsequent weeds are discharged from the other end of the double drum 141, and re-merge with the grains separated from the grid screen 148 and the concave plate screen 142 and fall into the grain feeding pipe 501.
  • the above sieve sieve 143 preferably adopts the structure shown in Fig. 64 and Fig. 65, and the sieve bars 149 of the sieve bars 149 are suspended vertically or obliquely downward at regular intervals, and multiple rows of sieve bars are arranged one after the other to avoid hanging grass.
  • Fig. 60 shows a double-strip cleaning device which can be used in combination with various conveying devices.
  • the device has a horizontal stripper above the grain clearing chamber 150.
  • the stripper drum 141 of the stripper may be of a bar-type or tooth-type type, and is arranged on the upper half of the spiral guide plate 147 and the lower section.
  • the cylindrical inner cavity surrounded by the concave plate screen 142.
  • One end of the cylindrical inner cavity is in communication with the incoming grain tube 501, and the other end is in communication with the drain hole 130.
  • Grains from the grain tube 501 into the inner cavity pass through the concave plate screen 142 and fall into the clearing room 150 during the compounding process, and the weeds move axially under the action of the compounding roller 141 and the spiral guide plate 147 Then, it is discharged from the drain hole 130.
  • the grains entering the grain clearing room 150 are biased by the fan 151 and the light debris is discharged out of the machine from the waste discharge port 130.
  • the cleaned grains after the selection fall into the horizontal set agitating dragon 164 below and are sent to the grain storage. Device.
  • Fig. 61 shows another type of double cleaning which can be used with various conveying devices.
  • the resetting and cleaning part of the device has the same structure as that shown in Fig. 60. The difference is that there is an inclined cylindrical screen 152 above the retort. This cylindrical screen can be rotated, and its higher end is connected with The round nozzle 153 of the incoming grain tube 501 is sleeved, and the lower end communicates with the inlet of the rejuvenator through the feed slot 154.
  • the grains entering the cylindrical sieve 152 from the grain tube 501 are separated from the grains by the turning of the cylinder at an appropriate rotation speed. The separated grains fall into the clearing room 150, and the grains are removed from the round.
  • the lower end of the sieve 152 enters the compounder through the miscellaneous trough 154, and the grains reconstituted by the compounder pass through the concave plate 142 and fall into the grain cleaning chamber 150.
  • the structure and work flow of the grain cleaning room 150 may be the same as the double-separation cleaning device shown in FIG. 60.
  • the multiple de-cleaning device shown in Fig. 49 and Fig. 50 can also be used in combination with various conveying devices.
  • the device has a suspended grain separation screen 177 driven by a crank connecting rod mechanism 176 above the grain cleaning chamber 150.
  • One end of the device is located below the grain inlet 501 connected to the grain inlet pipe of the conveying device, and the other end is located Above the eliminator composed of the double-removing drum 141 and the four-plate sieve 142, there is a sliding plate 178 connected to the upper and lower back of the concave sieve 142, and the grains falling on the separation screen 177 from the grain inlet 501 are separated and their grains are separated.
  • Adjusting the deflector 179 can make the sundries obtain a suitable number of recirculation cycles.
  • the grains separated by the doubler and the grains separated from the separation screen 177 fall into the horizontal set auger 163 after being separated, and are sent to the subsequent conveying device or to the grain storage device, and the track debris is discharged from the debris.
  • the port 130 is discharged out of the machine.
  • the threshing device may also adopt another structural form. See Figure 66 to Figure As shown in 68, the threshing device includes a thresher, a separator 319, and a splash cover 200.
  • the threshing machine preferably adopts the above-mentioned drum-type threshing machine, that is, the hook-toothed drum 1, which is vertically or horizontally spaced on a fixed or adjustable bracket through a shaft 199 which is substantially parallel to the advancing direction.
  • the diameter and working height of the hook-toothed drum 1 enable the ear of the straw to be placed in the upper threshing zone, and the working surface 17 of the straw can contact the waist of the native straw.
  • the divider 319 is a cone with a sharp front end and at least two sides with oblique edges or bevels, which are arranged at intervals in front of each hook-toothed drum 1 and the threshing device is near the 17-side of the hook-toothed stalk working surface.
  • the splash guard 200 is a shell having each threshing shroud space 197.
  • the front of the shatter-resistant shroud 200 is above the crop inlet 196 which is connected with the arrangement gap of the divider 319.
  • Each shroud space 197 is located on the hook.
  • the gap between the side cover surface 195 on the 17th side of the tooth roller working surface and the tooth top of the hook tooth 18 should be small.
  • the front of the splash cover 200 can be opened in all directions or the front cover 193 of the splash cover 200 can be connected with the divider 319.
  • the sloping surface 192 correspondingly widens forward, and the hook teeth 18 on the hook roller can be spaced by spirals to facilitate the movement of the straw along its axial direction.
  • the advancement of the whole machine causes the relatively backward-moving native straw 20 to move closer to the straw inlet 196 and enter the straw inlet working surface of the hook-toothed drum under the decoupling guidance of the divider 319 and the inclined surface 192 of the front cover.
  • the hook-tooth roller is rotated upward relative to the straw 20 to bend it, and the ear hook is led to the upper threshing area 191 for threshing.
  • the removed grains are sent to the splash guard 200, the chute 194 and the stirrer 28.
  • the subsequent conveying device retreats the threshing raw straw from the threshing device.
  • the chute 194 may also be replaced by a vertical auger.
  • the vertical threshing device can increase the threshing time and keep the plunging length unchanged because the original native straw can be moved in the axial direction during the threshing process, so that the forward speed of the harvester can be improved and the loss of grains can be reduced. (10) Treatment of rice and wheat straw
  • the machine can be equipped with a cutting device at the bottom and rear of the threshing device. As shown in FIG. 52, its cutting blade 181 is set at a position that is greater than the length of the grasshopper from the rear of the threshing device.
  • the straw is conveyed to the side of the harvester by a horizontal conveyor belt 182 provided behind the cutter 181 and laid on the ground.
  • the native thresher in the threshing device can be spaced side by side according to the standard interplanting interval And coordinate the landing position of the walking device with it.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Threshing Machine Elements (AREA)

Abstract

L'invention concerne une batteuse pour riz et blé et une moissonneuse utilisant cette batteuse. La batteuse est définie par un cylindre ou une bande présentant sur sa périphérie une pluralité de dents en forme de crochet permettant de saisir et de fléchir la tige sur la partie supérieure de la batteuse pour effectuer ensuite le battage de manière que les parties coupées puissent être récoltées directement ou que seule une petite quantité des résidus nécessite un traitement. La moissonneuse combinée à la batteuse peut être actionnée par l'homme, motorisée ou entraînée mécaniquement afin de satisfaire aux besoins liés aux conditions de travail.
PCT/CN1998/000211 1998-03-31 1998-10-06 Batteuse pour riz et ble et moissonneuse utilisant la batteuse Ceased WO1999049720A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU94275/98A AU9427598A (en) 1998-03-31 1998-10-06 A thresher for rice and wheat standing in the field and a harvester using the thresher

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN98107189.9 1998-03-31
CNB981071899A CN1328942C (zh) 1997-04-01 1998-03-31 原生弯秆脱粒稻麦收获机

Publications (1)

Publication Number Publication Date
WO1999049720A1 true WO1999049720A1 (fr) 1999-10-07

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PCT/CN1998/000211 Ceased WO1999049720A1 (fr) 1998-03-31 1998-10-06 Batteuse pour riz et ble et moissonneuse utilisant la batteuse

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AU (1) AU9427598A (fr)
WO (1) WO1999049720A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2369078C1 (ru) * 2008-05-04 2009-10-10 Федеральное государственное образовательное учреждение высшего профессионального образования Кубанский государственный аграрный университет Устройство для уборки урожая зерновых культур и утилизации незерновой части урожая
CN106818072A (zh) * 2017-02-23 2017-06-13 金华职业技术学院 一种半喂式防堵收割机脱粒装置
CN106818035A (zh) * 2017-02-23 2017-06-13 金华职业技术学院 一种具有回转式凹板的半喂入联合收割机脱粒装置试验台
CN107996148A (zh) * 2017-12-15 2018-05-08 农业部南京农业机械化研究所 一种花生捡拾联合收获捡拾机构
CN108055912A (zh) * 2018-01-18 2018-05-22 吉林大学 异向分拨匀摊式谷物脱出物抖动抛送装置
CN108184440A (zh) * 2018-01-29 2018-06-22 中国农业大学 一种多切流滚筒玉米脱粒清选装置
CN110999624A (zh) * 2020-01-08 2020-04-14 淮阴工学院 秸秆切碎还田装置
RU206216U1 (ru) * 2020-11-16 2021-08-31 Общество с ограниченной ответственностью "Научно-производственная фирма "Агромаш" Мини-машина для уборки зерновых
US20220110261A1 (en) * 2020-10-14 2022-04-14 Deere & Company Cutter implement with curtain

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Publication number Priority date Publication date Assignee Title
US2495417A (en) * 1943-10-20 1950-01-24 Mcconnel Frederic Whigham Grain harvesting machine
US3193118A (en) * 1964-06-03 1965-07-06 Massey Ferguson Inc Grain tank and conveyor mechanism for combines
SU1519563A1 (ru) * 1987-06-29 1989-11-07 Казахское Научно-Производственное Объединение Механизации И Электрификации Сельского Хозяйства "Казсельхозмеханизация" Устройство дл сбора колосовой части зерновых культур на корню
EP0423789A1 (fr) * 1986-04-09 1991-04-24 Btg International Limited Dispositif pour récolter des céréales
GB2309369A (en) * 1994-10-25 1997-07-30 Bjurenvall Ingemar System for harvesting crops by combing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495417A (en) * 1943-10-20 1950-01-24 Mcconnel Frederic Whigham Grain harvesting machine
US3193118A (en) * 1964-06-03 1965-07-06 Massey Ferguson Inc Grain tank and conveyor mechanism for combines
EP0423789A1 (fr) * 1986-04-09 1991-04-24 Btg International Limited Dispositif pour récolter des céréales
SU1519563A1 (ru) * 1987-06-29 1989-11-07 Казахское Научно-Производственное Объединение Механизации И Электрификации Сельского Хозяйства "Казсельхозмеханизация" Устройство дл сбора колосовой части зерновых культур на корню
GB2309369A (en) * 1994-10-25 1997-07-30 Bjurenvall Ingemar System for harvesting crops by combing

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2369078C1 (ru) * 2008-05-04 2009-10-10 Федеральное государственное образовательное учреждение высшего профессионального образования Кубанский государственный аграрный университет Устройство для уборки урожая зерновых культур и утилизации незерновой части урожая
CN106818072A (zh) * 2017-02-23 2017-06-13 金华职业技术学院 一种半喂式防堵收割机脱粒装置
CN106818035A (zh) * 2017-02-23 2017-06-13 金华职业技术学院 一种具有回转式凹板的半喂入联合收割机脱粒装置试验台
CN107996148A (zh) * 2017-12-15 2018-05-08 农业部南京农业机械化研究所 一种花生捡拾联合收获捡拾机构
CN107996148B (zh) * 2017-12-15 2023-12-05 农业部南京农业机械化研究所 一种花生捡拾联合收获捡拾机构
CN108055912B (zh) * 2018-01-18 2023-09-22 吉林大学 异向分拨匀摊式谷物脱出物抖动抛送装置
CN108055912A (zh) * 2018-01-18 2018-05-22 吉林大学 异向分拨匀摊式谷物脱出物抖动抛送装置
CN108184440A (zh) * 2018-01-29 2018-06-22 中国农业大学 一种多切流滚筒玉米脱粒清选装置
CN108184440B (zh) * 2018-01-29 2023-12-01 中国农业大学 一种多切流滚筒玉米脱粒清选装置
CN110999624A (zh) * 2020-01-08 2020-04-14 淮阴工学院 秸秆切碎还田装置
US20220110261A1 (en) * 2020-10-14 2022-04-14 Deere & Company Cutter implement with curtain
US11771005B2 (en) * 2020-10-14 2023-10-03 Deere & Company Cutter implement with curtain
RU206216U1 (ru) * 2020-11-16 2021-08-31 Общество с ограниченной ответственностью "Научно-производственная фирма "Агромаш" Мини-машина для уборки зерновых

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