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WO1991011903A1 - Appareil de traitement de la paille - Google Patents

Appareil de traitement de la paille Download PDF

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Publication number
WO1991011903A1
WO1991011903A1 PCT/GB1991/000205 GB9100205W WO9111903A1 WO 1991011903 A1 WO1991011903 A1 WO 1991011903A1 GB 9100205 W GB9100205 W GB 9100205W WO 9111903 A1 WO9111903 A1 WO 9111903A1
Authority
WO
WIPO (PCT)
Prior art keywords
straw
chopping
elements
chopped
trenches
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
Application number
PCT/GB1991/000205
Other languages
English (en)
Inventor
Ferris James Whidborne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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 GB909003525A external-priority patent/GB9003525D0/en
Priority claimed from GB909024344A external-priority patent/GB9024344D0/en
Application filed by Individual filed Critical Individual
Publication of WO1991011903A1 publication Critical patent/WO1991011903A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D43/00—Mowers combined with apparatus performing additional operations while mowing
    • A01D43/12—Mowers combined with apparatus performing additional operations while mowing with soil-working implements, e.g. ploughs
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00—Combined machines
    • A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D43/00—Mowers combined with apparatus performing additional operations while mowing
    • A01D43/10—Mowers combined with apparatus performing additional operations while mowing with means for crushing or bruising the mown crop

Definitions

  • This invention relates to agricultural apparatus for treating the line of straw known as swath, of surface attached straw or stubble, left behind by a combine harvester, or of other stubble, trash, maize stova, rice straw or the like unwanted remains of vegetation whether rooted or.lying loose (hereinafter referred to collectively as straw), following harvesting.
  • the ground can be ploughed in the normal way. This involves turning over the top soil to bury the straw underneath, where . rots. This is effective, but cannot be used on certain grounds, for instance where the top soil layer ife too thin and there is clay underneath where the soil has too high a clay content to permit subsequent cultivation into a seed bed.
  • the straw is baled which means leaving the swath of straw left behind after the action of a combine harvester unchopped on the ground so that the baler can pick it up.
  • these swaths of unchopped straw can get wet and, therefore, become difficult to bale. Accordingly, if the straw gets wet, it is often more convenient to chop the swaths of straw rather than to attempt to dry them out.
  • this apparatus which comprises a mower having a cylindrical cutter which rotates about a horizontal axis, the straw is collected and chopped by the cutter, the rotation of which creates an airflow that causes the mowings chopped against a cutter bar to be delivered into and through two cowlings which define enclosed collection chutes or passageways for the air-blown chopped cuttings.
  • cowlings are curved upwardly to extend over the cutter and then downwardly to taper to respective downwardly facing discharge ports from whence - the chopped straw emerges to be carried downwardly by the airflow generated by the cutter into two trenches formed on opposite sides respectively 'of the direction of travel of the apparatus, by a pair of sub-soiler tines.
  • the apparatus Whilst with such * apparatus it is possible to remove the unwanted straw;and to deposit it in a trench and also to solve the 4 fire and smoke problem caused by burning, the apparatus has a number of disadvantages.
  • the power needed to drive the cutter is enormous consult ? the cowlings tend to become blocked with chopped straw, are large, take up a lot of space and increase the weight of the apparatus, and the sub-soiler tines have to be near the rear of the apparatus, behind the cutter, which reduces traction.
  • the strength of airflow required to drive the chopped straw through the collection chutes can cause the chopped straw to be blown back out of the trenches.
  • the present invention consists in a method of treating straw, in which the straw is chopped in such manner as to cause the chopped straw to move sideways over the ground.
  • the present invention consists in an agricultural apparatus for treating straw, comprising two chopping elements which are rotatable in opposite directions about respective substantially vertical axes, the arrangement being such that, in operation, the rotation of the said elements causes the chopped straw to move sideways of the direction of travel of the apparatus.
  • the chopped straw can either be spread substantially evenly over the ground for the full width of the apparatus for subsequent ploughing-in or can be directed over the ground and into two trenches formed on opposite sides respectively of the direction of travel for immediate burying.
  • the horse power required to drive the contra-rotating elements is considerably reduced compared to other tractor mounted choppers and the mowers of the apparatus described in my aforementioned European Patent specifica?tion»
  • the distance travelled by the chopped straw inside the apparatus and the weight of the apparatus are all considerably reduced and there * are no enclosed collection passageways to be* 4 blocked with straw.
  • the apparatus can be used just as a straw chopper or as a chopped straw burier by providing the apparatus with trench forming means. In such a case, traction is improved since the trench forming means can be located nearer the front of the apparatus.
  • the straw does not have to b@ collected as in the aforementioned known apparatus as it can be moved straight into the trenches.
  • the combined straw chopper/burier enables the chopped stra.w to be buried deep enough in the ground so -that subsequent cultivations do not bring it back t ⁇ the surface and so that agents produced by its rotting do - not have a deleterious effect on the germination qf seeds planted in the seed beds above.
  • the chopped sttaw so placed can then rot away at leisure, i as it were, taking years if necessary, meanwhile improving the soil particularly if the sub soil is heavy clay.
  • the apparatus can follow a combine harvester leaving behind a swath of straw, chop the straw and either spread it out over the ground or eject the chopped straw immediately into the trenches.
  • a combination of stfcaw-moving contra-rotating elements which chop the straw and are rotated fast enough to generate some airflow is thought to be desirable to achieve optimum results, i.e. the maximum velocity of straw propulsion without too much airflow, consistent with obtaining the requisite degree of compaction of the chopped straw within the trench, and without blowing the chopped straw back out of the trench. Therefore, the combination of airflow and a flailing or cutting action is preferred to obtain the optimum sideways propulsion of the straw that is chopped by the contra-rotating chopping elements.
  • the contra-rotating chopping elements may be of any suitable kind to obtain the desired ejection or propulsion of the chopped straw sideways out of the apparatus with the maximum velocity consistent with obtaining a satisfactorily even spread of chopped straw over the ground or with propelling the chopped straw into and down the trenches cut in the ground by the trench forming means.
  • the contra-rotating chopping elements may comprise flails or cutting blades which chop the straw and propel the chopped straw sideways off the ends of the flails or cutting blades.
  • the chopping elements may consist of centrally mounted discs and flails mounted on and extending outwardly beyond the periphieries of the disc.
  • the chopping elements each have a central cylindrical member, e.g. a drum, provided with outwardly extending flails or cutting elements.
  • the provision of drums enables the height of the chopping apparatus to be increased thereby increasing the volume of straw that can be chopped per unit of time and the size of, and area swept by, ⁇ the chopping elements as the flails or blades can be attached, spaced substantially up to the full height of the drum.
  • the chopping- Elements are conveniently provided with a casing or cowling having lateral openings therein through which the chopped straw is moved or propelled over the ground or into the trenches.
  • the catsing conveniently has two curved sections which ar . swept respectively by the free ends of the flails or blades of the contra-rotating chopping elements.
  • the gaps between the free ends of the flails or blades of the chopping elements and the casing should be such that the flails or blades sweep the inside of the casing clear or clean of straw.
  • straw may collect into clumps and such clumps of straw may be ejected sideways without being adequately chopped.
  • the invention also provides a means of adjusting the swept area of the casing which can increase or decrease the width of the lateral openings into the casing to vary the width of the fan of chopped straw ejected through the lateral openings. Actually, by decreasing the width of each lateral opening, e.g.
  • the cut-off plates may be adjustably mounted on the casing adjacent the lateral openings to control the direction of the chopped straw ejected by the contra-rotating chopping elements and are ideally located close to the free ends of the flails or blades of the chopping elements so that the proximity of the flails or blades brushes them clean.
  • the front of the casing is preferably provided with guides on opposite sides of its open front.
  • stationary knives (which are preferably adjustable) may also be provided. Such knives are conveniently adjustable to vary the amount that the knives project into the path of movement of, and retard the flow of, the straw. It may also be advantageous to adjust the stationary knives to pass between the flails or blades of the chopping elements.
  • the stationary knives which are fixed in relation to the flails or blades carried by the chopping elements may be mounted on the frame of the apparatus and project through slots in the frontward parts of the casing. So as to assist in, spreading the chopped straw evenly behind the apparatus and to prevent stones from being thrown too far out of the machine with consequential safety hazards, and to prevent bodily contact with the rotating flails qr blades, conveniently outwardly projecting shields-or guides are provided above the lateral openings of the casing where the chopped straw is ejected from the- apparatus.
  • the drive for the chopping elements may be of any suitable kind, e.g. belts but preferably each chopper element is driven by its own gearbox which enables the chopping elements to rotate in an overlapped state and also allows the apparatus casing to be raised still further to allow more straw to enter.
  • Each gear box is conveniently driven in turn by means of a centrally mounted gear box through laterally extending output shafts and is itself driven from the power take off of the tractor. Also, at the front, the frame carrying the casing is preferably raised in its central region to accomodate the power take off shaft of the tractor.
  • the whole of the chopping apparatus is advantageously independently caTried clear ' of the ground, to which end there may be provided a tricycle arrangement of two wheels ⁇ at the fcsont and one wheel at the rear.
  • the height of the chopping elements from the ground is conveniently variable to cope with say stony ground as well as more even ground by arranging for at least the rear wheel to be substantially vertically adjustable in height, but of course the front wheels may also be mounted for substantially vertical adjustment.
  • the trench forming means and/or the angle of the trenches may be such as to assist in guiding into the trenches the chopped straw propelled sideways out of the apparatus.
  • the trench forming -means comprises guides such as mould boards against which the chopped straw impacts to guide the straw into the trenches.
  • the trench forming means preferably comprises two subsoiler tines disposed at an angle to the vertical (preferably about 50 degrees) and carried by the guides to form slit trenches into which the propelled straw can immediately fall.
  • the guides also function to support the earth being momentarily parted to form the slit trenches for long enough for the chopped straw to enter.
  • angled slit trenches can substantially close behind the apparatus under the weight of the overhanging banks produced by the angled tines along the outer sides of the trenches once the guides have ceased to support such earth banks.
  • the subsoiler tines are preferably adjustably mounted on the apparatus frame so as to be movable between substantially straight or vertical positions which produce narrow slit trenches and angled postions which produce wider slit trenches to take more straw which enables the apparatus to dispose of large amounts of straw left behind combines in heavy crops.
  • a mowing machine which is capable of cutting-the standing straw in such manner that the mowings , are propelled inwardly to be deposited in a line between the tractor wheels along with the remaining standing straw so as to leave a suitable swath of straw and standing straw that can be fed to the contra-rotating chopping elements of the following chopping apparatus mounted on the rear of the tractor,_ for chopping and for ejection sideways either to be redistributed over the ground in an even spread, or into trenches.
  • the mowing machine preferably comprises at least one pair of contra-rotating cutting elements which rotate inwardly about vertical axes.
  • the mower chopping elements may be driven from the tractor via belts or gear boxes.
  • the apparatus of this invention can readily • be provided with optional ,features to improve its overall efficiency.
  • means such as large discs may be provided for compressing the chopped straw in the slit trenches, disc harrows may be provided to level out the ground over, and to compress the slits of, the trenches formed by the tines and may be used as a depth gauge means , and additional subsoiling tines may be carried from the back of the apparatus frame so that a complete subsoiling job can be achieved over the entire width of the apparatus.
  • a centrally mounted subsoiling tine is advantageously provided as a guide in order to keep the apparatus on line.
  • Figure 1 is a plan view of apparatus for treating straw and constructed according to the invention, including a mowing apparatus and a chopping apparatus assembled to an agricultural tractor;
  • Figure 2 is a plan view of a part pi the chopping apparatus, to a larger scale, forming part of the apparatus of Figure 1;
  • Figure 3 is a front elevation of the chopping apparatus shown in Figure 2;
  • Figure 4 is a side elevation of the chopping apparatus shown in Figure 2;
  • Figure 5 is a detail view of a modification
  • Figure 6 is a detail view of one of a pair of subsoiler tines which can be mounted to the chopping apparatus of Figure 2;
  • Figure 7 and 8 are diagrammatic front and side elevations of modifications to the apparatus, with parts omitted for clarity and showing how chopped straw is diposed of by being buried in trenches;
  • Figure 9 is a front view of one mower of the mowing apparatus shown in Figure ,1;
  • Figure 10 is a side view of another embodiment of chopping apparatus including trench forming means assembled to an agricultural tractor;
  • Figure 11 is a side view of the apparatus of Figure 10 to a larger scale, the tractor being omitted for clarity;
  • Figure 12 is a front elevation of the apparatus shown in Figure 11,
  • Figure 13 is a plan view of the apparatus shown in Figure 11;
  • Figures 14 to 17 show diagrammatically how chopped straw is disposed o,f by being buried in trenches.
  • Figure 1 shows a conventional tractor 1 and an agricultural apparatus for treating straw which comprises a chopping apparatus which is generally designated at 2 and is towed by. the tractor and an optional mowing apparatus 3 mounted to the front of the tractor.
  • the chopping apparatus 2 comprises a main frame 4 which is mounted to the standard three point linkage 5 of ' the tractor 1.
  • the frame 4 carries ⁇ a chopping means including a casing 6 and two cc-ntra-rotating chopping elements 7 supported by and accomodated in the casing 6.
  • the whole chopping apparatus 2 is supported on the ground 8 independently of the tractor 1 by means of two front wheels 9 and a rear wheel 10 in a tricycle arrangement, the wheels 9 and 10 being mounted on the casing 6 to be freely rotatable in respective bearings.
  • the casing 6 is supported in a floating manner from the main frame 4 at the front by adjustable rigid links 12 which are pivotally connected to the main frame 4 through respective ones of a vertical series of adjustment holes (not shown) for adjusting the chopping depth and at the back by suitable links such as chain links (not shown) .
  • suitable links such as chain links (not shown) .
  • stops may be provided in order to limit the lowest position of the chopper elements.
  • Each chopping element 7 comprises a horizonally rotating central drum 13 to which is attached flails 14 which project beyond the drum peripheries and overlap across the centre line 15 of the tractor.
  • the casing 6 has curved sections 16 which are swept by the free ends or tips of the flails 14 and lateral openings 17 through which the straw chopped by the flails 14 is propelled sideways from the apparatus.
  • Safety shields or guards 18 are removably fixed as by bolts 18a to the side members 19 of the main frame 4 above the lateral openings 17.
  • the central drums of the chopping elements 7 are rotated substantially horizontally by substantially vertical drive shafts (not visible) by means of respective gear boxes 20 supported by the casing 6 and whose input shafts are coupled to the two output shafts of a centra,! gearbox 23 by means of respective couplings 21.
  • the central- gearbox 23 is driven via an extended input shaft 29 ,which is supported at its front end from the casing " 6 in a bearing 29a by the power take off shaft 25 (Bee Fig 1) of the tractor 1 to which shaft 2*9 the shaft 25 is coupled as by a splined connection ". .s indicated at 26 in Figures 1 and 2, the front member 22 of the frame 4 is raised centrally to acco odate the power take off shaft 25.
  • the flails 14 are removably attached to the bottom discs 28 or bottoms of the * drums 13 by collars and bolts as indicated at 27 arid the ground adjacent flails 14 preferably each have a cranked section terminating in a-flat section nearest the ground to
  • the cranked section of 14 has an intermediate flat portion attached by means of a collar and bolt as indicated at 30, and a replaceable tip section 31 which by means of the collar and bolt 30 enables the tip section 31 to swing back if hard objects are hit.
  • Stationary knives' 32" are mounted on the casing 6 towards its front and extend through slots therein.
  • the knives 32 are -adjustably mounted on the casing by means of shafted 33.
  • the shafts 33 can either be rotated to move "the knives 32 anywhere between po ⁇ tions in whid-h they overlap or are clear of the tips of the flails ⁇ 4 as illustrated at the left hand side of Fig.2 or ⁇ r ⁇ oved bodily in sl ts 34 to achieve the same effect as indicated at' the right hand side of Fig. 2 to vary the fineness of chop.
  • Guides 36 project at an angle from the front of the casing 6 to guide the swath to-f straw, straw stubble or standing straw towards the rotating flails 14 of the chopping elements 7 in operation.
  • Curved heavier metal cut-off plates 37 having the same radius as that of the curved sections 16 are adjustably mounted by bolts 38 passing through holes (not visible) in the casing 6 to be moved between the positions shown on the right-hand and left-hand sides respectively of Fig 2.
  • the cut-off plates 37 control the direction of the chopped straw that is ejected by the chopping elements and prevents straw building up on what would have been the leading edges of the lateral openings of the casing 6.
  • the width of the lateral openings 17 is reduced by the cut-off plates to decrease the width of the ejected chopped-straw fans and because the leading edges 39 of the lateral openings 17 are now presented by curved instead of straight sections which, because they are swept by the flails 14, are kept clear of straw.
  • the contra-rotating chopping elements chop a swath of straw, straw stubble or standing straw or any combination thereof and eject the chopped straw sideways out of the casing 6 through the lateral openings 17 such that an even spread of chopped straw is redistributed across the full width of the chopping apparatus for subsequent ploughing in.
  • the shields 18 prevent bodily contact with the rotating blades and stones being thrown too far out of the chopping apparatus.
  • the shields 18 are removed or pivoted out of the way and trench forming means in the form of two subsoiler tines 40 (only one shown in Fig. 6) for positioning adjacent the lateral openings 17 in the casing 6, are either attached to a lateral extension 31 of the front member 22 of the main frame 4 or are pivoted from their points of attachment to the lateral extension 31 into positions in which the tines 40 are angled back from their conventional orientation with the blades 42 extending into the ground at a depth of about twelve inches.
  • the arms 43 supporting the tines 40 are bolted to curved guide portions constituted by mould boards 44 for guiding or deflecting the chopped straw into slit trenches formed by the tines 40 and for supporting the earth being momentarily parted, to form slit trenches long enough for the chopped straw to enter.
  • Each arm 43 is provided with an arcuate set of holes 45 which can be aligned with another hole (not visible) in the extension 31 to receive a bolt (not shown) to fix the arm 43 in the desired position.
  • the angle of eaah tine -blade 42 can be adjusted to increase or decr ⁇ e ⁇ se the size of the slit trenches to take more or less chopped straw.
  • Two positions are shown in Fig. 5, one in full lines for a narrow slit trench and the other in chain lines for a wider slit trench.
  • Such slit trenches are designated by the reference 50 in Figure 7 to which reference will now be made, as well as to Figure 8.
  • the slit trenches 50 are formed on opposite sides respectively of the chopping apparatus by a respective tine 40 as illustrated in Figure 6, .which tines have not been shown for reasons of clarity.;
  • the chopped straw 51 which has been ejected into the trenches 50 by the action of the chopping elements 7 (not shown) can be compressed into t&e bottom of the slit by the action of two large discs 52 (onl one shown) .
  • Each disc 52 is mounted to be freely rotatable on a respective arm 54 fixed at the appropriate angle to a side frame member 19 so that each disc follows behind its associated tine 40 and enters a trench 50 before it closes under the weight of an overhanging bank 53.
  • wheels 11 disc harrow sections 55 may be supported on opposite sides respectively of the frame 4 from rear extensions 56 and can be used as a depth control for the main frame 4 and to level out and compress the slit trenches 50 formed by the tines 40.
  • the main frame 4 will be of sufficient strength to take other subsoiling tines such as 57 supported by the rear frame member 41 so that complete subsoiling may be achieved across the entire width of the chopping apparatus.
  • one such subsoiling tine 56 is generally necessary to act like a ship's rudder in order to keep the apparatus straight.
  • the rear frame member 41 acts as a tool bar to mount whatever agricultural tools are required to perform additional functions as desired.
  • the mowing apparatus 3 comprises two pairs of inwardly rotating cutting elements 60 disposed one behind the other in overlapping relationship with the distance between the elements of the front pair 61 being greater than the distance betwen the elements of the rear pair 62.
  • the cutting elements 60 form two mowers, a left-hand mower and a right-hand mower represented by the reference characters 72 designating casings to be described mounted to the front of the tractor 1 by arms 72a
  • the cutting elements 60 are driven from the tractor 1 by a shaft 63 mounting a double pulley wheel 64 and endless belts 65 which extend around the pulley wheel 64 and double pulley wheels 66 of the rear pair 62 of cutting elements 60.
  • the front pair 61 of cutting elements 60 are driven by respective endless belts 67 extending around the double pulley wheels 66 and - 20 -
  • the mowing apparatus 3 mows the mowings from a swath of straw, straw stubble or standing straw towards the middle line of the tractor 1 to be presented to the chopping apparatus 2.
  • the embodiment illustrated in Figures 10 to 13 differs from those illustrated in Figure 1 to 9 in the following material respects.
  • the contra-rotating chopping elements 7 are each formed by a horizontally rotating central disc 80 driven by a substantially vertical drive shaft 81 and to which is attached flails 82 which project beyond the disc periphery.
  • the casing 6 housing the chopping elements 80 is carried by a floating subframe 83 connected to the main frame 4 by adjustable rigid links 11 at the front and at the back by chain links 84.
  • stops are provided on the arms 43 of the tines 40 which are carried by the main frame 4.
  • the central discs 80 of the chopper elements are rotated substantially horizontally by endless drive belts 87 connected through pulley wheels 88 fixed to the substantially vertical drive shafts 81 and double pulley wheels 89, which latter are fixed to a vertical shaft 90 driven through a gear box 91 from the power take off 25 of the tractor.
  • a depth gauge wheel 92 Trailing from the rear end of the sub-frame 83 is a depth gauge wheel 92, which is optional.
  • the chopping elements 7 When drawn by the tractor, the chopping elements 7 will chop the line of swath 93 left behind a combine harvester and at the same time- " will generate an airflow which propels the chopped straw sideways out of the apparatus, through, the lateral openings 17 in the casing 6 and into "the angled slit trenches 50 formed continuously by the tine blades 40.
  • the chopped straw- 58 from the swath 93 is assisted into the trenches 50 by the angle of the trenches and the mould boards 44 of the ' subsoil tynes 40.
  • the slit trenches 50 may then be closed by the weight of the overhangs 53 along the outer edges of the trenches 50, with this closing being assisted by the wheels 11 so that the chopped straw 51 is. completely buried.
  • top soil is now ready for cultivation in the normal way without- disturbing the rotting chopped straw 58 left beneath.
  • a seed bed can be prepared immediately and fresh crops sown, since the agents formed by decomposition of the straw are well away from the new Seed and will not affect their germination.
  • the depth gauge wheels 5 on the main frame 4 of the embodiment shown in' Figures 10 to 13 may be replaced by disc harrows -55 which" may each conveniently comprise three inwardly directed discs such as illustrated in Figure 6.
  • the harrowing action serves not only to assist in closure of the slit trenches 50 but also to level out somewhat the lumps 94 left behind after trench closure.
  • the embodiment of Figures 10 to 13 can include any of the features or modifications illustrated in Figures 1 to 9, and vice versa.
  • the mowing apparatus illustrated in Figure 1 may be mounted to the tractor 1 shown in Figure 10.
  • the tines 40 of the embodiment illustrated in Figures 10 to 13 may be removed or moved as by pivoting out of the way to make way for shields or guards 18.
  • the apparatus shown in Figures 1 to 9 is particularly suitable to treat standing straw, e.g. that left behind a stripper combine, because of the increased height of the frame 4 and of the chopping elements 7.
  • the tines 40 are shaped to form trenches of about 10 to 12 inches deep. However, in certain instances, e.g. to reduce the power required of the tractor, it may be desirable to reduce the depth of the trenches, say to about 6 to 8 inches in which case the shape of the tines may be varied, e.g. by increasing their width.
  • the mowing apparatus and the chopping apparatus may be built as one machine with the mowing apparatus being forward of the chopping apparatus.
  • the machine thus formed would be a suitable replacement for a set of gang mowers which are normally used for mowing large areas, in particular amenity grounds and which are more expensive.
  • Such a machine may have its own drive or be driven eg by a tractor.
  • the rotatable cutting elements 60 may be independently mounted in the casings 72 so as to be able more accurately to follow the contours of the,.ground.
  • the lateral openings 17 in the casing 6 may be connected to ducting to enable the chopped straw, grass etc to be conveyed to a suitable receptacle such as a trailer for example, instead of being spread over the ground for subsequent ploughing in or directed over the ground -and into trenches for immediate burying.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Soil Working Implements (AREA)

Abstract

On décrit un procédé et un appareil de traitement de la paille, dans lesquels deux éléments de coupe (7) peuvent tourner dans des sens mutuellement opposés autour d'axes sensiblement verticaux, pour déplacer la paille hachée transversalement par rapport au sens de déplacement d'un appareil de coupe (2), de manière à l'étaler de façon sensiblement uniforme sur le sol en vue de son incorporation dans ce dernier par labourage, et de manière à être projetée sur le sol et dans des tranchées pour y être enterrée ou afin d'être ramassée dans un récipient.
PCT/GB1991/000205 1990-02-16 1991-02-11 Appareil de traitement de la paille Ceased WO1991011903A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB909003525A GB9003525D0 (en) 1990-02-16 1990-02-16 Straw disposal apparatus
GB9003525.4 1990-02-16
GB909024344A GB9024344D0 (en) 1990-11-08 1990-11-08 Straw treatment apparatus
GB9024344.5 1990-11-08

Publications (1)

Publication Number Publication Date
WO1991011903A1 true WO1991011903A1 (fr) 1991-08-22

Family

ID=26296669

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1991/000205 Ceased WO1991011903A1 (fr) 1990-02-16 1991-02-11 Appareil de traitement de la paille

Country Status (2)

Country Link
AU (1) AU7213291A (fr)
WO (1) WO1991011903A1 (fr)

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RU2546899C1 (ru) * 2013-11-14 2015-04-10 Государственное научное учреждение Армавирская опытная станция Всероссийского научно-исследовательского института масличных культур им. В.С. Пустовойта Российской академии сельскохозяйственных наук (ГНУ АОС ВНИИМК Россельхозакадемии) Способ и устройство для заделки в почву трудноизмельчаемых растительных остатков
CN107136543A (zh) * 2017-05-17 2017-09-08 安徽康桥生物科技有限公司 用于处理秸秆的闪爆装置
CN107710926A (zh) * 2017-11-17 2018-02-23 南京农业大学 一种秸秆集中沟埋还田一体机
CN110249798A (zh) * 2019-07-30 2019-09-20 吉林大学 一种秸秆揉丝密化还田机
CN110731180A (zh) * 2019-10-24 2020-01-31 新疆农垦科学院 一种秸秆粉碎还田机的切割机构
CN112273038A (zh) * 2020-10-21 2021-01-29 塔里木大学 一种促苗壮苗的棉花种植方法
RU2748681C1 (ru) * 2020-06-22 2021-05-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный аграрный университет" (ФГБОУ ВО Казанский ГАУ) Способ и комбинированное устройство для скашивания, измельчения и заделки сидеральных культур в почву
CN114868518A (zh) * 2022-05-16 2022-08-09 沈阳农业大学 一种侧扫式秸秆深埋还田机
CN115643833A (zh) * 2022-05-26 2023-01-31 齐鲁工业大学 一种多功能还田辅助生态修复车

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US2779146A (en) * 1955-11-01 1957-01-29 Robert E Mitchell Combination rotary mower and lawn sweeper
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US3121302A (en) * 1962-05-02 1964-02-18 Deere & Co Shield for stalk cutter
US3191373A (en) * 1963-09-10 1965-06-29 Sperry Rand Corp Forage harvester
FR1429036A (fr) * 1964-04-01 1966-05-12 Cloison tôle mobile combinable en andaineur, déflecteur et broyeur d'herbe pour tondeuses à gazon
GB1283550A (en) * 1969-10-08 1972-07-26 Albert Berdrin Agricultural machine
US3745754A (en) * 1972-02-09 1973-07-17 S Gronberg Agricultural machine
FR2282784A1 (fr) * 1973-08-23 1976-03-26 Krobath Maschinenfabrik Machine pour le dechiquetage des residus de moissons, notamment de la paille de mais, et pour leur melange avec l'engrais
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US4292795A (en) * 1979-11-19 1981-10-06 Linn Orville J Straw and chaff chopper and spreader
DE3110932A1 (de) * 1981-03-20 1982-09-30 Maschinenfabrik Bermatingen GmbH & Co, 7775 Bermatingen Landwirtschaftliche bodenbearbeitungsmaschine
CA1179567A (fr) * 1983-02-11 1984-12-18 James A. Clarke Epandeur de la balle de grain sur moissonneuse- batteuse
EP0149325A1 (fr) * 1983-12-30 1985-07-24 Ferris James Whidborne Appareil pour éliminer le chaume
EP0172160A1 (fr) * 1984-08-13 1986-02-19 Franz Jetzinger Faucheuse ou hacheuse
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GB633207A (en) * 1947-11-21 1949-12-12 Joseph Herbert Woolfenden A new or improved machine for removing or removing and dispersing growing vegetation
US2779146A (en) * 1955-11-01 1957-01-29 Robert E Mitchell Combination rotary mower and lawn sweeper
US2848238A (en) * 1956-02-08 1958-08-19 Stevens Edmund Guise Stalk and straw disintegrating and distributing mechanism
US3121302A (en) * 1962-05-02 1964-02-18 Deere & Co Shield for stalk cutter
US3191373A (en) * 1963-09-10 1965-06-29 Sperry Rand Corp Forage harvester
FR1429036A (fr) * 1964-04-01 1966-05-12 Cloison tôle mobile combinable en andaineur, déflecteur et broyeur d'herbe pour tondeuses à gazon
DE2608145A1 (de) * 1967-11-04 1977-09-01 Fahr Ag Maschf Kreiselmaeher mit haeckseleinrichtung
GB1283550A (en) * 1969-10-08 1972-07-26 Albert Berdrin Agricultural machine
US3745754A (en) * 1972-02-09 1973-07-17 S Gronberg Agricultural machine
FR2282784A1 (fr) * 1973-08-23 1976-03-26 Krobath Maschinenfabrik Machine pour le dechiquetage des residus de moissons, notamment de la paille de mais, et pour leur melange avec l'engrais
US4292795A (en) * 1979-11-19 1981-10-06 Linn Orville J Straw and chaff chopper and spreader
DE3110932A1 (de) * 1981-03-20 1982-09-30 Maschinenfabrik Bermatingen GmbH & Co, 7775 Bermatingen Landwirtschaftliche bodenbearbeitungsmaschine
CA1179567A (fr) * 1983-02-11 1984-12-18 James A. Clarke Epandeur de la balle de grain sur moissonneuse- batteuse
EP0149325A1 (fr) * 1983-12-30 1985-07-24 Ferris James Whidborne Appareil pour éliminer le chaume
EP0172160A1 (fr) * 1984-08-13 1986-02-19 Franz Jetzinger Faucheuse ou hacheuse
AU582439B2 (en) * 1985-05-14 1989-03-23 Devney Enterprises Pty. Ltd. A cotton bush stripping machine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2546899C1 (ru) * 2013-11-14 2015-04-10 Государственное научное учреждение Армавирская опытная станция Всероссийского научно-исследовательского института масличных культур им. В.С. Пустовойта Российской академии сельскохозяйственных наук (ГНУ АОС ВНИИМК Россельхозакадемии) Способ и устройство для заделки в почву трудноизмельчаемых растительных остатков
CN107136543A (zh) * 2017-05-17 2017-09-08 安徽康桥生物科技有限公司 用于处理秸秆的闪爆装置
CN107710926A (zh) * 2017-11-17 2018-02-23 南京农业大学 一种秸秆集中沟埋还田一体机
CN107710926B (zh) * 2017-11-17 2023-11-07 南京农业大学 一种秸秆集中沟埋还田一体机
CN110249798A (zh) * 2019-07-30 2019-09-20 吉林大学 一种秸秆揉丝密化还田机
CN110731180A (zh) * 2019-10-24 2020-01-31 新疆农垦科学院 一种秸秆粉碎还田机的切割机构
RU2748681C1 (ru) * 2020-06-22 2021-05-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный аграрный университет" (ФГБОУ ВО Казанский ГАУ) Способ и комбинированное устройство для скашивания, измельчения и заделки сидеральных культур в почву
CN112273038A (zh) * 2020-10-21 2021-01-29 塔里木大学 一种促苗壮苗的棉花种植方法
CN114868518A (zh) * 2022-05-16 2022-08-09 沈阳农业大学 一种侧扫式秸秆深埋还田机
CN114868518B (zh) * 2022-05-16 2023-05-12 沈阳农业大学 一种侧扫式秸秆深埋还田机
CN115643833A (zh) * 2022-05-26 2023-01-31 齐鲁工业大学 一种多功能还田辅助生态修复车
CN115643833B (zh) * 2022-05-26 2024-06-04 齐鲁工业大学 一种多功能还田辅助生态修复车

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