CN111972057A - High-speed stubble-cleaning harrow - Google Patents
High-speed stubble-cleaning harrow Download PDFInfo
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- CN111972057A CN111972057A CN202010866971.XA CN202010866971A CN111972057A CN 111972057 A CN111972057 A CN 111972057A CN 202010866971 A CN202010866971 A CN 202010866971A CN 111972057 A CN111972057 A CN 111972057A
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- rake
- assembly
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- blade
- rack
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- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 239000002689 soil Substances 0.000 claims description 18
- 244000126211 Hericium coralloides Species 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 109
- 239000010720 hydraulic oil Substances 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000010902 straw Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- 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
- A01B21/00—Harrows with rotary non-driven tools
- A01B21/08—Harrows with rotary non-driven tools with disc-like tools
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- 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
- A01B23/00—Elements, tools, or details of harrows
- A01B23/04—Frames; Drawing-arrangements
- A01B23/046—Specially adapted for harrows with rotating tools
-
- 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
- A01B23/00—Elements, tools, or details of harrows
- A01B23/06—Discs; Scrapers for cleaning discs; Sharpening attachments; Lubrication of bearings
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- 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
- A01B29/00—Rollers
- A01B29/04—Rollers with non-smooth surface formed of rotatably-mounted rings or discs or with projections or ribs on the roller body; Land packers
-
- 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
- A01B49/02—Combined machines with two or more soil-working tools of different kind
- A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Agricultural Machines (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a high-speed stubble-cleaning harrow, which comprises a main harrow frame assembly, a middle harrow frame assembly, a left folding harrow frame assembly and a right folding harrow frame assembly, wherein the left folding harrow frame assembly and the right folding harrow frame assembly are connected to the left side and the right side of the main harrow frame assembly in a folding manner; the left and right harrow plates and the harrow plates on the front and rear harrow plates are symmetrically designed, so that lateral traction force is avoided, power is exerted more fully, and oil consumption is reduced.
Description
Technical Field
The invention relates to a stubble-cleaning harrow, in particular to a high-speed stubble-cleaning harrow.
Background
According to the requirements of the current national environmental protection policy, the straws are not allowed to be burnt, the straws are taken as a biomass energy source and can be comprehensively utilized, and the mechanized straw returning is one of the comprehensive utilization modes of the straws.
The stubble-cleaning harrow plays a vital role in the mechanized straw returning process, and the application number is CN201910494823.7, the prior art of the invention named as a single quick stubble-cleaning hydraulic folding harrow provides a single quick stubble-cleaning hydraulic folding harrow, which comprises a main traction beam, a main frame, a harrow floor assembly, a soil crushing roller assembly, a travelling wheel and a depth adjusting wheel, wherein the main traction beam is connected with the main frame through a pin shaft, a front supporting reinforcing plate and a rear supporting reinforcing plate are arranged between the reinforcing beam and the main frame, the reinforcing beam at the upper part of the rear supporting reinforcing plate is connected and fixed with a cross beam at the rear part of the main frame after being bent, an oil cylinder bracket is arranged at the rear part of the, one corner of the oil cylinder bracket is welded with the corner at the back of the main frame, the upper corner of the oil cylinder bracket is connected with the pin shaft of the walking land wheel oil cylinder, the other corner of the oil cylinder bracket is connected with a walking ground wheel bracket through a pin shaft, and a walking wheel is arranged below the walking ground wheel bracket; the ear parts at the two ends of the stiffening beam are respectively connected with the hydraulic folding oil cylinder through pin shafts, and the two sides of the main frame are connected with the left main frame and the right main frame; the hydraulic folding oil cylinder is respectively connected with the left main frame and the right main frame and plays a role in hydraulic folding and unfolding, namely a folding mechanism; a plurality of harrow column assemblies are respectively arranged below the left main frame and the right main frame; a soil crushing roller assembly connected by an adjusting connecting plate is arranged behind the left main frame and the right main frame; and a depth adjusting wheel is also arranged in front of the left main frame and the right main frame.
This prior art medium harrow piece subassembly is equipped with two rows of harrow pieces, and a side of first row harrow piece concavity is towards the same direction, and a side of second row harrow piece concavity is towards the opposite direction with first row harrow piece, and the stubble-cleaning harrow of the harrow piece subassembly that adopts this kind of structure leads to the tractor advancing direction to take place to squint easily when having the subaerial operation of slope or high-lying unevenness.
Disclosure of Invention
In order to solve the problem that the traveling direction of a tractor is easy to deviate when the stubble ploughing harrow in the prior art works on the ground with slope or uneven height, the invention provides a high-speed stubble ploughing harrow, which adopts the following technical scheme:
the high-speed stubble cleaning rake comprises a main rake frame assembly, a middle rake frame assembly, a left folding rake frame assembly and a right folding rake frame assembly, wherein the left folding rake frame assembly and the right folding rake frame assembly are connected to the left side and the right side of the main rake frame assembly in a folding mode, the middle rake frame assembly is fixedly connected below the main rake frame assembly, the front end of the main rake frame assembly is movably connected with a traction frame assembly, the rear end of the main rake frame assembly is movably connected with a rear adjusting tail frame assembly, the left side and the right side of the rear adjusting tail frame assembly are respectively connected with a left folding press roller assembly and a right folding press roller assembly, the lower end of the rear adjusting tail frame is connected with two walking wheels, the two walking wheels are connected through an axle, and the axle is connected with the rear adjusting tail frame through a connecting arm;
one end of the left folding rake frame assembly, which is close to the main rake frame assembly, is connected with the lower end of the left side of the main rake frame assembly through a pin shaft, and one end of the left folding rake frame assembly, which is far away from the main rake frame assembly, is connected with the upper end of the left side of the main rake frame assembly through a folding oil cylinder; one end of the right folding rake frame assembly, which is close to the main rake frame assembly, is connected with the lower end of the right side of the main rake frame assembly through a pin shaft, and one end of the right folding rake frame assembly, which is far away from the main rake frame assembly, is connected with the upper end of the right side of the main rake frame assembly through a folding oil cylinder; the lower end in front of the main harrow plate assembly is connected with the traction frame assembly through a pin shaft, and the upper end in front of the main harrow plate assembly is connected with the traction frame assembly through a front adjusting oil cylinder; the rear lower end of the main harrow rack assembly is connected with the rear adjusting tail rack assembly through a pin shaft, and the rear upper end of the main harrow rack assembly is connected with the rear adjusting tail rack assembly through a rear adjusting oil cylinder; one end of the left folding press roller assembly, which is close to the rear adjusting tail frame assembly, is connected with the lower end of the left side of the rear adjusting tail frame assembly through a pin shaft, and one end of the left folding press roller assembly, which is far away from the rear adjusting tail frame assembly, is connected with the upper end of the left side of the rear adjusting tail frame assembly through a folding oil cylinder; one end, close to the rear adjusting tailstock assembly, of the right folding press roller assembly is connected with the lower end of the right side of the rear adjusting tailstock assembly through a pin shaft, and one end, far away from the rear adjusting tailstock assembly, of the right folding press roller assembly is connected with the upper end of the right side of the rear adjusting tailstock assembly through a folding oil cylinder; one end, close to the axle, of the connecting arm is fixedly connected with the axle, one side, close to the compression roller assembly, of the connecting arm is connected with the rear adjusting tailstock assembly through a pin shaft, and the position, close to the middle, of the connecting arm is connected with the rear adjusting tailstock assembly through a lifting oil cylinder;
the left folding rake rack component comprises a left folding rake rack and front and rear rows of rake assemblies arranged on the left folding rake rack, the right folding rake rack component comprises a right folding rake rack and front and rear rows of rake assemblies arranged on the right folding rake rack, and the middle rake rack component comprises a middle rake rack and rake assemblies arranged on the middle rake rack; looking at the blade assembly backwards in the direction of tractive force, the concave side of the blades in the front row of the left folding blade carrier facing obliquely outwards and forwards, the concave side of the blades in the front row of the right folding blade carrier facing obliquely outwards and forwards, the concave side of the blades in the rear row of the left folding blade carrier facing obliquely inwards and forwards, and the concave side of the blades in the rear row of the right folding blade carrier facing obliquely inwards and forwards; the front row of the middle rake frame is provided with a first rake blade and a second rake blade which are arranged back to back and offset in the traction direction, the concave side surfaces of the first rake blade and the second rake blade are obliquely towards the outer side and towards the front, and the first rake blade is offset backwards relative to the second rake blade in the traction direction; the front row of blades and the rear row of blades are arranged in a staggered mode.
When the rear row of the middle rake frame is not provided with the rake blades, the rear row of the left folding rake frame and the right folding rake frame is closer to the main rake frame than the front row of the left folding rake frame and the right folding rake frame. The rear row position of the left folding rake frame is provided with a fifth rake blade, the rear row position of the right folding rake frame is provided with a fourth rake blade, the fourth rake blade and the fifth rake blade are arranged in a face-to-face mode, the fourth rake blade is forwards offset relative to the fifth rake blade along the traction direction, and the concave side faces of the fourth rake blade and the fifth rake blade face the inner side obliquely and face the front.
When the rear row position of middle harrow frame sets up the harrow piece, can consider: the rear row position of the middle rake rack is provided with a fourth rake blade and a fifth rake blade in a face-to-face mode, the fourth rake blade is offset forwards relative to the fifth rake blade along the traction direction, and the concave side surfaces of the fourth rake blade and the fifth rake blade face towards the inner side and the front in an inclined mode.
The left and right harrow plates and the harrow plates on the front and rear harrow plates are symmetrically designed, so that lateral traction force is avoided, power is exerted more fully, and oil consumption is reduced; two harrow plates which are arranged back to back and offset in the traction direction are arranged in the front row of the middle harrow rack, so that stubble can be more fully cleaned, and stubble omission is prevented; the front row of the blades and the rear row of the blades are arranged in a staggered mode, residual stubbles and soil thrown out by the front row of the blades can be received by the rear row of the blades to carry out secondary operation, and the blades do not influence operation mutually.
The left folding rake rack assembly and the right folding rake rack assembly are connected with the main rake rack in a folding mode, and in the transportation process, the left folding rake rack assembly and the right folding rake rack assembly are in a folding state, so that the width of the equipment in the transportation process is effectively shortened, and the transportation is convenient.
In the operation process, the lift cylinder retracts, the walking wheels are separated from the ground, when the ground is required to be turned, the rear adjusting cylinder is opened, the press roller moves downwards, the harrow plate is lifted, the tractor pulls to realize turning, the walking wheels are still separated from the ground during turning, the soil raked by the walking wheels is effectively prevented from being compacted, and the operation quality is improved.
The first rake blade and the second rake blade which are arranged back to back at the front row position of the middle rake frame and are offset in the traction direction can be considered to be arranged on the same rake blade assembly, and the first rake blade and the second rake blade which are arranged back to back at the front row position of the middle rake frame and are offset in the traction direction can also be considered to be arranged on the same rake blade fixing seat.
The first blade and the second blade are located on the same blade assembly, and it is considered that two blade branch support legs are separated from the same blade support leg, and the two blade branch support legs are respectively connected with the blades through blade fixing seats.
Besides the first blade, the second blade, the fourth blade and the fifth blade, the arrangement of the blades on the middle rake rack can also consider: symmetrically arranging a third blade on the front row of the middle blade frame, wherein the third blade is positioned on the outer sides of the first blade and the second blade, and the concave side surface of the third blade faces towards the outer side and the front obliquely; and sixth blades are symmetrically arranged at the rear row position of the middle blade frame, are positioned at the outer sides of the fourth blades and the fifth blades, and have concave side surfaces obliquely facing towards the inner side and the front.
The left folding press roller assembly and the right folding press roller assembly are press roller assemblies with profiling structures; specifically, the following can be considered: the left folding press roller assembly and the right press roller assembly comprise a suspension frame and at least one press roller, the suspension frame comprises a first cross beam, a second cross beam and a third cross beam, two sides of the first cross beam are respectively connected with connecting arms, and the connecting arms are connected with two sides of the press roller through spherical outside bearings; the first cross beam and the second cross beam are movably connected through a first connecting structure, so that the first cross beam and the press roller positioned below the first cross beam can swing back and forth relative to the second cross beam; the second cross beam is movably connected with the third cross beam through a second connecting structure, so that the second cross beam and the press roller assembly positioned below the second cross beam swing left and right relative to the third cross beam; preferably, the connecting arm with the compression roller both sides are connected through the sealed insert bearing of non-maintaining.
In order to realize the front-back swing of the first cross beam and the press roll below the first cross beam, the left-right swing of the second cross beam and the press roll assembly below the second cross beam, the first connecting structure comprises a first connecting lug fixed on the first cross beam and facing the second cross beam, and a second connecting lug fixed on the second cross beam and facing the first cross beam, the first connecting lug and the second connecting lug are connected through a first pin shaft and a first screw rod, and a sliding groove for the first screw rod to slide is arranged on the second connecting lug; the second connecting structure comprises a connecting piece, the lower end of the connecting piece is fixedly connected with the second cross beam, and the upper end of the connecting piece is connected with the third cross beam through a second pin shaft; the first pin shaft and the second pin shaft are provided with a first limiting part for preventing the pin shafts from axially moving and a second limiting part for preventing the pin shafts from relatively rotating; when the second locating part rotates, the pin shaft rotates along with the second locating part, when the second locating part is still, the pin shaft is also limited to rotate, and the second locating part keeps the pin shaft and the second locating part relatively static.
The front adjusting oil cylinder is preferably an oil cylinder with an adjustable stroke, the main rake assembly is connected with the traction frame assembly through the oil cylinder with an adjustable stroke, and the traction frame cross beam is kept horizontal to the ground as far as possible by adjusting the stroke of the oil cylinder according to the rear traction of different tractors, so that the traction resistance is reduced, and the fuel consumption is reduced.
The rear adjusting oil cylinder is preferably a stroke adjustable oil cylinder, the main harrow frame component is connected with the rear adjusting tail frame component through the stroke adjustable oil cylinder, the purpose of adjusting the working depth of the harrow plate can be achieved by adjusting the stroke of the oil cylinder, and compared with common mechanical adjustment, the invention adjusts the working depth of the harrow plate through the stroke adjustable oil cylinder, and is more convenient.
The left folding rake rack assembly and the right folding rake rack assembly are both connected with a front row of adjustable comb tooth devices and a rear row of adjustable comb tooth devices, the front row of adjustable comb tooth devices are positioned behind the corresponding front row of rake blades, and the rear row of adjustable comb tooth devices are positioned behind the corresponding rear row of rake blades; or/and the high-speed stubble ploughing harrow is also provided with an adjustable soil retaining plate.
The adjustable comb tooth device can fully mix the chopped stalks with soil, simultaneously can take away the large stalks which are not chopped, and the mixture of the chopped stalks and the soil is smoother after flowing through the comb teeth, so that ridges are not generated.
The invention also provides a cylinder overload protection system for the folding cylinders, wherein the cylinder overload protection system comprises a first main oil pipe, a second main oil pipe, a synchronous diverter valve and an energy accumulator, each folding cylinder is provided with a bidirectional balance valve, the first main oil pipe is communicated with a rod cavity of the folding cylinder through the synchronous diverter valve and the bidirectional balance valve, the second main oil pipe is communicated with a rodless cavity of the folding cylinder through the bidirectional balance valve, the rodless cavity of the folding cylinder is also communicated with the energy accumulator, and an oil way of the rod cavity of the folding cylinder is not communicated with an oil way of the rodless cavity of the folding cylinder.
A synchronous flow divider valve: the hydraulic oil distribution device is used for distributing hydraulic oil input by a main oil pipe to each folding oil cylinder in equal quantity so as to balance the oil pressure.
A bidirectional balance valve: because the steel structure weight of the equipment with the folding function can not be absolutely equal in the actual production and manufacturing process, or because the hydraulic pipeline has certain length and has certain pressure loss in the process of transmitting hydraulic oil, the two-way balance valve can be used for fine adjustment, so that the action consistency of the folding oil cylinder is ensured as much as possible; meanwhile, the hydraulic station also has the pressure maintaining function, and when the hydraulic station does not supply oil, the equipment cannot descend due to self weight.
The first main oil pipe is opened, hydraulic oil in the first main oil pipe enters a rod cavity of the folding oil cylinder through the synchronous flow dividing valve and the two-way balance valve, and a piston rod of the folding oil cylinder moves to a rodless cavity, so that synchronous folding of the left folding rake rack assembly and the right folding rake rack assembly can be realized; when the piston rod moves towards the rodless cavity, hydraulic oil in the rodless cavity flows back to the oil tank through the two-way balance valve and the second main oil pipe, and an oil way of the rod cavity of the folding oil cylinder is not communicated with an oil way of the rodless cavity.
When the second main oil pipe is opened, hydraulic oil in the second main oil pipe enters a rodless cavity of the folding oil cylinder through the two-way balance valve, the piston rod moves towards the rod cavity, and when the folding oil cylinder is completely opened, an oil return path is closed; when special conditions such as large stones occur and the piston rod needs to be temporarily contracted, the piston rod moves towards the rodless cavity, hydraulic oil in the rodless cavity is temporarily stored in the energy accumulator, the piston rod is temporarily contracted, and the problem that the piston rod is damaged due to extrusion of the piston rod due to overload is solved; when the special condition is relieved, the hydraulic oil temporarily stored in the energy accumulator can also return to the rodless cavity of the folding oil cylinder, and the folding oil cylinder is restored to a fully opened state.
The invention has the beneficial effects that:
(1) the left and right harrow plates and the harrow plates on the front and rear harrow plates are symmetrically designed, so that lateral traction force is avoided, power is exerted more fully, and oil consumption is reduced; two harrow plates which are arranged back to back and offset in the traction direction are arranged in the front row of the middle harrow rack, so that stubble cleaning is performed more fully, and omission of stubble cleaning is prevented;
(2) the left folding rake rack assembly and the right folding rake rack assembly are connected with the main rake rack in a folding mode, and the left folding rake rack assembly and the right folding rake rack assembly are in a folding state in the transportation process, so that the width of the equipment during transportation is effectively shortened, and the transportation is convenient;
(3) when the turning is needed at the ground, the rear adjusting oil cylinder is opened, the press roller moves downwards, the harrow plate is lifted, the turning is realized through the traction of a tractor, and the walking wheels are separated from the ground in the turning process, so that the walking wheels are effectively prevented from compacting the harrowed soil, and the operation quality is improved;
(4) the press roller can swing in the front-back direction and the left-right direction, has good profiling function, and can fully break soil blocks and compact soil under the condition that the land has unevenness or gradient; the sealed maintenance-free spherical outside bearing has a self-aligning function, so that the problem that central shafts on two sides of the press roller are not concentric in the manufacturing, assembling and using processes of the press roller can be avoided, the probability of wringing the press roller in the using process is reduced, and the farming efficiency is improved;
(5) the main harrow rack assembly is connected with the rear adjusting tail rack assembly through the oil cylinder with adjustable stroke, the purpose of adjusting the working depth of the harrow plate can be achieved by adjusting the stroke of the oil cylinder, and compared with common mechanical adjustment, the invention adjusts the working depth of the harrow plate through the oil cylinder with adjustable stroke, and is more convenient.
(6) The high-speed stubble ploughing harrow is provided with an overload protection hydraulic system, so that when an oil return path is closed, the risk of damage to a piston rod when an oil cylinder is overloaded can be effectively reduced, and the service life of the oil cylinder is prolonged; the hydraulic oil is supplied to the rod cavity of the oil cylinder through the synchronous flow dividing valve and the bidirectional balance valve, synchronous folding of the oil cylinder can be achieved, meanwhile, the pressure maintaining effect is achieved, and when the hydraulic station does not supply oil, the equipment cannot descend due to self weight.
Drawings
FIG. 1 is a first schematic structural view of a high-speed stubble ploughing rake according to the present invention;
FIG. 2 is a schematic structural view of a high-speed stubble ploughing rake according to the present invention;
FIG. 3 is a third schematic structural view of the high-speed stubble ploughing harrow of the present invention;
FIG. 4 is a first schematic view of the folded state of the high speed stubble ploughing harrow of the present invention;
FIG. 5 is a second schematic view of the folded state of the high speed stubble ploughing harrow of the present invention;
fig. 6 is a schematic structural diagram one of a symmetrical rake group;
fig. 7 is a schematic structural diagram two of a symmetrical rake group;
fig. 8 is a schematic structural diagram three of a symmetrical rake group;
fig. 9 is a schematic structural diagram of a middle rake frame;
fig. 10 is a first schematic structural view of a blade fixing seat provided with two blades;
fig. 11 is a second schematic structural view of a blade fixing seat provided with two blades;
fig. 12 is a third schematic structural view of a blade fixing seat provided with two blades;
fig. 13 is a fourth schematic structural view of the blade fixing seat provided with two blades;
fig. 14 is a first schematic structural diagram of a blade assembly provided with two blades;
fig. 15 is a schematic structural view two of the blade assembly with two blades installed;
FIG. 16 is a first schematic view of the construction of an adjustable retaining plate;
FIG. 17 is a second schematic structural view of an adjustable retaining plate;
FIG. 18 is a schematic view showing the structure of a press roll assembly having a contour structure;
FIG. 19 is a second schematic structural view of a press roll assembly having a profile configuration;
3 FIG. 3 20 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 19 3; 3
FIG. 21 is a sectional view taken along line B-B of FIG. 19;
FIG. 22 is a schematic diagram of the overload protection hydraulic system;
FIG. 23 is a first schematic structural view of an adjustable comb device;
FIG. 24 is a schematic structural view II of the adjustable comb device;
FIG. 25 is a sectional view taken along line C-C of FIG. 23;
fig. 26 is a schematic structural diagram three of the adjustable comb device.
In the figure: 1. a main rake frame assembly, 2, a left folding rake frame assembly, 3, a soil guard plate assembly, 4, a folding oil cylinder, 5, a right folding rake frame assembly, 6, a pin shaft, 7, a second rake blade, 8, a first rake blade, 9, a third rake blade, 10, a seventh rake blade, 11, a sixth rake blade, 12, a fourth rake blade, 13, a fifth rake blade, 14, an eighth rake blade, 15, a traction direction, 16, a rake blade support leg, 17, a rake blade fixing seat, 18, a first mounting hole, 19, a second mounting hole, 20, a first mounting surface, 21, the front part of the rake blade fixing seat, 22, a second mounting surface, 23, an adjusting fixing plate, 24, a first screw rod, 25, an adjusting plate, 26, a first group of multi-hole adjusting holes, 27, a first limiting pin, 28, a second screw rod, 29, a second group of multi-hole adjusting holes, 30, a second limiting pin, 31, a soil guard plate, 32, a soil guard plate, 33, a support leg, a shock absorption rubber rod, 34. hoop, 35, middle harrow frame assembly, 36, traction frame assembly, 37, rear adjusting tailstock assembly, 38, right folding press roller assembly, 39, left folding press roller assembly, 40, walking wheels, 41, front adjusting oil cylinder, 42, rear adjusting oil cylinder, 43, lifting oil cylinder, 44, connecting arm, 45, axle, 46, press roller, 47, first cross beam, 48, first connecting lug, 49, second connecting lug, 50, connecting piece, 51, second cross beam, 52, second pin shaft, 53, third cross beam, 54, shaft sleeve, 55, snap spring, 56, gasket, 57, connecting block, 58, first screw rod, 59, first pin shaft, 60, sliding groove, 61, connecting arm, 62, limit clamp, 63, composite fiber sleeve, 64, first main oil pipe, 65, second main oil pipe, 66, synchronous diverter valve, 67, energy accumulator, 68, bidirectional balance valve, 69, connecting rod, 70, nut, 68, 71. The pin roll with the ring 72, the comb beam 73, the comb 74, the rack 75, the clamping piece 76, the rack connecting piece 77, the spacer bush 78, the guide block 79, the first spacing plate 80, the gear 81 and the second spacing plate.
Detailed Description
Example 1
The high-speed stubble-cleaning harrow comprises a main harrow rack component 1, a middle harrow rack component 35, a left folding harrow rack component 2 and a right folding harrow rack component 5, the left folding rake rack component 2 and the right folding rake rack component 5 are connected with the left and right sides of the main rake rack component 1 in a foldable manner, the middle harrow plate component 35 is fixedly connected below the main harrow plate component 1, the front end of the main harrow plate component 1 is movably connected with a traction frame component 36, the rear end of the main harrow frame component 1 is movably connected with a rear adjusting tail frame component 37, the left and right sides of the rear part of the rear adjusting tail frame component 37 are respectively connected with a left folding press roller component 39 and a right folding press roller component 38, the lower end of the rear adjusting tail frame 37 is connected with two travelling wheels 40, the two travelling wheels 40 are connected through an axle 45, and the axle 45 is connected with the rear adjusting tail frame 37 through a connecting arm 44;
in this embodiment, one end of the left folding rake assembly 2 close to the main rake assembly 1 is connected with the lower end of the left side of the main rake assembly 1 through a pin shaft 6, and one end of the left folding rake assembly 2 far away from the main rake assembly 1 is connected with the upper end of the left side of the main rake assembly 1 through a folding oil cylinder 4; one end of the right folding rake rack assembly 5, which is close to the main rake rack assembly 1, is connected with the lower end of the right side of the main rake rack assembly 1 through a pin shaft 6, and one end of the right folding rake rack assembly 5, which is far away from the main rake rack assembly 1, is connected with the upper end of the right side of the main rake rack assembly 1 through a folding oil cylinder 4; the front lower end of the main harrow frame assembly 1 is connected with the traction frame assembly 36 through a pin shaft, and the front upper end of the main harrow frame assembly 1 is connected with the traction frame assembly 36 through a front adjusting oil cylinder 41; the lower end of the rear part of the main rake frame assembly 1 is connected with the rear adjusting tail frame assembly 37 through a pin shaft, and the upper end of the rear part of the main rake frame assembly 1 is connected with the rear adjusting tail frame assembly 37 through a rear adjusting oil cylinder 42; one end of the left folding press roller assembly 39, which is close to the rear adjusting tailstock assembly 37, is connected with the lower end of the left side of the rear adjusting tailstock assembly 37 through a pin shaft, and one end of the left folding press roller assembly 39, which is far away from the rear adjusting tailstock assembly 37, is connected with the upper end of the left side of the rear adjusting tailstock assembly 37 through a folding oil cylinder 4; one end, close to the rear adjusting tailstock assembly 37, of the right folding compression roller assembly 38 is connected with the lower end of the right side of the rear adjusting tailstock assembly 37 through a pin shaft, and one end, far away from the rear adjusting tailstock assembly 37, of the right folding compression roller assembly 38 is connected with the upper end of the right side of the rear adjusting tailstock assembly 37 through a folding oil cylinder 4; one end, close to the axle 45, of the connecting arm 44 is fixedly connected with the axle 45, one side, close to the compression roller assembly, of the connecting arm 44 is connected with the rear adjusting tailstock assembly 37 through a pin shaft, and the position, close to the middle, of the connecting arm 44 is connected with the rear adjusting tailstock assembly 37 through a lifting oil cylinder 43;
the left folding rake frame component 2 comprises a left folding rake frame and front and rear rows of rake assemblies arranged on the left folding rake frame, the right folding rake frame component 5 comprises a right folding rake frame and front and rear rows of rake assemblies arranged on the right folding rake frame, and the middle rake frame component 35 comprises a middle rake frame and a rake assembly arranged on the middle rake frame; as shown in fig. 3 and 8, when the blade assembly is seen from the rear in the direction of tractive force, the concave side of the blade in the front row of the left folding blade frame faces obliquely outward and forward, the concave side of the blade in the front row of the right folding blade frame faces obliquely outward and forward, the concave side of the blade in the rear row of the left folding blade frame faces obliquely inward and forward, and the concave side of the blade in the rear row of the right folding blade frame faces obliquely inward and forward; the front row of the middle rake rack is provided with a first rake blade 8 and a second rake blade 7 which are arranged back to back and are offset in the traction direction, the concave side surfaces of the first rake blade 8 and the second rake blade 7 are obliquely towards the outer side and towards the front, the first rake blade 8 is offset backwards relative to the second rake blade 7 in the traction direction, and the other seventh rake blades 10 positioned in the front row of the left folding rake rack and the right folding rake rack are symmetrically arranged along the central line of the main rake rack; in this embodiment, no blades are disposed at the rear row position of the middle blade frame, and when no blades are disposed at the rear row of the middle blade frame, the rear row blades of the left folding blade frame and the right folding blade frame are closer to the main blade frame than the front row blades of the left folding blade frame and the right folding blade frame. A fifth blade 13 is arranged at the rear position of the left folding blade frame, a fourth blade 12 is arranged at the rear position of the right folding blade frame, the fourth blade 12 and the fifth blade 13 are arranged in a face-to-face manner, the fourth blade 12 is offset forwards relative to the fifth blade 13 along the traction direction, and a sixth blade 11 and other eighth blades 14 close to the fourth blade 12 and the fifth blade 13 are symmetrically arranged; the concave side surfaces of the fourth blade 12, the fifth blade 13, the sixth blade 11, and the eighth blade 14 are inclined inward and forward.
The left folding rake rack assembly and the right folding rake rack assembly are both connected with a front row of adjustable comb tooth devices and a rear row of adjustable comb tooth devices, the front row of adjustable comb tooth devices are positioned behind the corresponding front row of rake blades, and the rear row of adjustable comb tooth devices are positioned behind the corresponding rear row of rake blades; the high-speed stubble ploughing harrow is also provided with an adjustable soil retaining plate component 3, and the adjustable soil retaining plate is connected to the left end of the left folding harrow frame and the right end of the right folding harrow frame through anchor ears.
Example 2
In addition to embodiment 1, the front row of the middle rake rack is further symmetrically provided with third rake blades 9, the third rake blades 9 are positioned outside the first rake blades 8 and the second rake blades 7, and the concave side surfaces of the third rake blades 9 face obliquely outward and forward.
Example 3
Unlike embodiment 2, the fourth blade and the fifth blade are located at the rear row position of the middle blade frame, the fourth blade and the fifth blade are arranged in a face-to-face manner, the fourth blade is offset forward in the direction of tractive force with respect to the fifth blade, and the concave side surfaces of the fourth blade and the fifth blade face obliquely inward and forward; and the rear row position of the middle rake frame is also symmetrically provided with sixth rake blades, the sixth rake blades are positioned on the outer sides of the fourth rake blades and the fifth rake blades, and the concave side surfaces of the sixth rake blades face the inner side obliquely and face the front.
Example 4
The first rake blade and the second rake blade which are arranged back to back at the front row position of the middle rake rack and offset in the traction direction are located on the same rake blade fixing seat.
The blade fixing seat is structurally shown in fig. 10 to 11, and includes a fixing seat body, and a first mounting hole 18 and a second mounting hole 19 provided with internal threads, where the first mounting hole 18 and the second mounting hole 19 are respectively located at a front portion 21 and a rear portion of the fixing seat body, a first mounting surface 20 for mounting a first blade is located at the first mounting hole 18, the first mounting surface 20 is perpendicular to a central axis of the first mounting hole 18, a second mounting surface 22 for mounting a second blade is located at the second mounting hole 19, the second mounting surface 22 is perpendicular to a central axis of the second mounting hole 19, and the first mounting surface 20 and the second mounting surface 22 are respectively located at two sides of the fixing seat body.
As shown in fig. 12, the first mounting surface 20 is perpendicular to the central axis of the first mounting hole 18, when viewed from the front 21 of the blade holder to the rear of the holder, the first mounting surface 20 faces the upper part of the holder, and the central axis of the first mounting hole 18 forms an angle α of 15 °, 16 °, 17 °, 18 °, 19 °, 20 °, 21 °, 22 °, 23 °, or 24 ° with the horizontal plane; the second mounting surface 22 is perpendicular to the central axis of the second mounting hole 19, when viewed from the front 21 of the blade holder to the rear of the holder, the second mounting surface 22 faces the upper part of the holder, and the included angle between the central axis of the second mounting hole 19 and the horizontal plane is consistent with the included angle between the central axis of the first mounting hole 18 and the horizontal plane.
As shown in fig. 13, the first mounting surface 20 is perpendicular to the central axis of the first mounting hole 18, when viewed from the upper portion of the fixing base to the lower portion of the fixing base, the first mounting surface 20 faces the front portion of the fixing base, and an included angle γ between the central axis of the first mounting hole 18 and a vertical plane perpendicular to the traction direction 15 is 8 °, 9 °, 10 °, 11 °, 12 °, 13 °, 14 °, 15 °, 16 °, 17 °, 18 °, 19 °, 20 °, 21 °, or 22 °; the second mounting surface 22 is perpendicular to the central axis of the second mounting hole 19, when viewed from the upper portion of the fixing seat to the lower portion of the fixing seat, the second mounting surface 22 faces the front portion of the fixing seat, and an included angle between the central axis of the second mounting hole 19 and a vertical surface perpendicular to the traction direction 15 is consistent with an included angle between the central axis of the first mounting hole 20 and the vertical surface perpendicular to the traction direction 15.
As shown in fig. 14, when the first blade mounted on the first mounting hole 18 is viewed from the front to the rear of the blade holder, in a vertical plane perpendicular to the pulling force direction, the angle of the first blade mounted on the first mounting hole 18, which is offset from the vertical direction, is the same as the angle α in fig. 12, where α is 15 °, 16 °, 17 °, 18 °, 19 °, 20 °, 21 °, 22 °, 23 °, or 24 °; the second blade mounted on the second mounting hole 19 is offset from the vertical direction by an angle corresponding to the angle α in fig. 12 in a vertical plane perpendicular to the direction of the pulling force when the second blade mounted on the second mounting hole 19 is viewed from the front to the rear of the blade holder.
As shown in fig. 15, when the first blade mounted on the first mounting hole 18 is viewed from the top to the bottom of the blade fixing seat, in the horizontal plane, the angle of the straight line where the first blade mounted on the first mounting hole 18 is offset from the traction direction is consistent with the angle γ in fig. 13, where γ is 8 °, 9 °, 10 °, 11 °, 12 °, 13 °, 14 °, 15 °, 16 °, 17 °, 18 °, 19 °, 20 °, 21 ° or 22 °; when the second blade mounted on the second mounting hole 19 is viewed from the upper surface to the lower surface of the blade fixing base, the angle of the straight line on which the second blade mounted on the second mounting hole 19 is offset from the pulling force direction in the horizontal plane coincides with the angle γ in fig. 13.
As shown in fig. 9, the first blade 8 and the second blade 7 are mounted on a blade fixing base 17, the upper end of the blade fixing base 17 is connected with a blade support leg 16, and the blade support leg 16 is fixedly connected with the middle rake rack through an anchor ear.
Example 5
This embodiment provides a keep off native board subassembly with adjustable, as shown in fig. 16, fig. 17, a keep off native board subassembly with adjustable includes and keeps off native board 32, keeps off native board landing leg 31, a set of regulating plate 25 and adjusts the fixed plate 23, the regulating plate 25 is connected with regulation fixed plate 23 and keeps off native board landing leg 31 respectively, it is right to adjust the fixed plate 23 in the front the fender native board landing leg 31 supports, be equipped with on the regulating plate 25 and be used for adjusting the regulating plate 25 with the first structure of adjusting of the relative position of regulating fixed plate 23, it is right from the rear to be equipped with on the regulating plate 25 it is right to keep off native board landing leg 31 and carry out the second of spacing regulation and adjust the structure.
In this embodiment, the adjusting plate 25 is connected to the adjusting fixing plate 23 by a first screw 24, the adjusting plate 25 is connected to the retaining plate leg 31 by a second screw 28, the first adjusting structure includes a first set of multi-hole-position adjusting holes 26 and a first limiting pin 27, and the adjusting fixing plate 23 is provided with a limiting hole for the first limiting pin 27 to pass through; the second adjustment structure includes a second set of multi-site adjustment holes 29 and a second restraint pin 30.
The retaining plate 32 is provided with a third adjusting structure for adjusting the movement of the retaining plate in the vertical direction, and in this embodiment, the third adjusting structure includes a waist hole.
The adjusting and fixing plate 23 is connected with the left folding rake frame or the right folding rake frame through an anchor ear 34, and damping rubber rods 33 are arranged at the positions of four corners in the anchor ear.
Example 6
On the basis of the embodiment 1, the left folding press roller assembly and the right folding press roller assembly are press roller assemblies with copying structures; specifically, as shown in fig. 18 to 21, the compression roller assembly with the profiling structure includes a set of cage-shaped compression rollers 46 and a suspension bracket, where the suspension bracket includes a connecting arm 61 connected to two sides of the compression roller, a first beam 47, a second beam 51, and a third beam 53, two sides of the first beam 47 are respectively connected to the connecting arm 61, and the connecting arm 61 is connected to the compression roller 46 through a bearing; the first cross beam 47 and the second cross beam 51 are movably connected through a first connecting structure, and the second cross beam 51 and the third cross beam 53 are movably connected through a second connecting structure.
As shown in fig. 20 and 21, in the present embodiment, the first connecting structure includes a first connecting lug 48 fixed on the first cross beam 47 and facing the second cross beam 51, and a second connecting lug 49 fixed on the second cross beam 51 and facing the first cross beam 47, the first connecting lug 48 and the second connecting lug 49 are connected through a first pin 59 and a first screw 58, a sliding slot 60 for the first screw 58 to slide is provided on the second connecting lug 49, and the sliding slot 60 provides a swing space for the first screw 58; the second connecting structure comprises a connecting piece 50, the lower end of the connecting piece 50 is fixedly connected with the second cross beam 51 through a connecting block 57, and the upper end of the connecting piece 50 is connected with the third cross beam 53 through a second pin shaft 52; the first pin 59 and the second pin 52 are provided with a first limiting member for preventing the pins from moving axially and a second limiting member for preventing the pins from rotating relatively, in this embodiment, the first limiting member is a snap spring 55, and the second limiting member is a limiting clip 62.
When the press roller works on uneven soil in the front and back, the press roller 46 drives the first cross beam 47, the first connecting lug 48 and the limiting clamp 62 positioned on the first connecting lug 48 to swing in the front and back direction, the first pin shaft 59 rotates correspondingly with the limiting clamp 62, but the pin shaft and the limiting clamp keep relatively static, and the front and back direction is the traction direction.
When the press roller 46 works on uneven soil, the press roller 46 drives the first cross beam 47, the second cross beam 51 and the connecting piece 50 to swing in the left-right direction, the second pin shaft 52 correspondingly rotates along with the limiting clamp 62, but the pin shaft and the limiting clamp are kept relatively still, and the left-right direction is the direction perpendicular to the traction force.
In the present exemplary embodiment, the connecting arm 61 is connected to the press roller 46 via a closed spherical outer bearing.
As shown in fig. 20, wear-resistant composite fiber sleeves 63 are sleeved at two ends of the second pin, and a shaft sleeve 54 is sleeved outside the second pin sleeved with the composite fiber sleeve.
Example 7
On the basis of embodiment 1, the folding cylinder of this embodiment is equipped with a cylinder overload protection system, as shown in fig. 22, the cylinder overload protection system includes a first main oil pipe 64 and a second main oil pipe 65, the first main oil pipe 64 is communicated with the rod chamber of the folding cylinder 4 through a synchronous flow dividing valve 66 and a bidirectional balance valve 68, the second main oil pipe 65 is communicated with the rodless chamber of the folding cylinder 4 through a bidirectional balance valve 68, and the rodless chamber of the folding cylinder 4 is further communicated with an accumulator 67. The first main oil pipe 64 and the second main oil pipe 65 are both communicated with the oil tank, and the opening and closing of the first main oil pipe 64 and the second main oil pipe 65 are controlled by solenoid valves.
The first main oil pipe 64 is communicated with a V1 port of the two-way balance valve 68 through the synchronous flow dividing valve 66, hydraulic oil entering through a V1 port of the two-way balance valve 68 enters a rod cavity of the folding oil cylinder 4 through a C1 port of the two-way balance valve 68, the second main oil pipe 65 is communicated with a V2 port of the two-way balance valve 68, the hydraulic oil entering through a V2 port of the two-way balance valve 68 enters a rodless cavity of the folding oil cylinder 4 through a C2 port of the two-way balance valve 68, and an oil path of the rod cavity is not communicated with an oil path of the rodless cavity.
When the first main oil pipe 64 is opened, hydraulic oil in the first main oil pipe enters a rod cavity of the folding oil cylinder 4 through the synchronous flow dividing valve 66 and the two-way balance valve 68, and a piston rod of the folding oil cylinder 4 moves to a rodless cavity, so that synchronous folding of the folding oil cylinder 4 can be realized; when the piston rod moves towards the rodless cavity, hydraulic oil in the rodless cavity flows back to the oil tank through the two-way balance valve 68 and the second main oil pipe 65.
When the second main oil pipe 65 is opened, hydraulic oil enters the rodless cavity of the folding oil cylinder 4 through the second main oil pipe 65, the V2 port of the two-way balance valve 68 and the C2 port in sequence, the piston rod moves towards the direction of the rod cavity, the hydraulic oil in the rod cavity flows back to the oil tank through the first main oil pipe, the folding oil cylinder is in an open state, and when the folding oil cylinder is completely opened, an oil return path is closed; when special conditions are met and the piston rod of the folding oil cylinder 4 needs to be temporarily contracted, the piston rod compresses towards the rodless cavity, and hydraulic oil in the rodless cavity sequentially enters the energy accumulator 67 through a C2 port and a V2 port of the bidirectional balance valve 68; when the special condition is relieved, the hydraulic oil buffered in the energy accumulator 67 can enter the rodless cavity of the folding oil cylinder 4 through the ports V2 and C2 of the two-way balance valve 68, and the piston rod moves towards the rod cavity and returns to the state that the folding oil cylinder is completely opened.
The energy accumulator 67 is arranged, the piston rod of the folding oil cylinder 4 can be temporarily contracted, and the phenomenon that the piston rod is damaged due to the fact that the piston rod cannot be temporarily contracted when the piston rod meets special conditions is avoided. The accumulator may be considered a bladder accumulator.
Example 8
The embodiment provides an adjustable comb device, which comprises a comb assembly and an adjusting mechanism, wherein the comb assembly comprises comb teeth 73 and a comb beam 72, the comb beam 72 is provided with a plurality of comb teeth 73 side by side, and the comb teeth 73 are connected to the comb beam 72; the adjusting mechanism comprises 2 gear adjusting mechanisms, each gear adjusting mechanism comprises a rack 74, a gear 80 in fit connection with the rack 74, and a rack limiting mechanism, and the rack limiting mechanism is used for limiting the racks to enable the racks to move only in the vertical direction; the rack 74 is connected to the comb-tooth beam 72 through a rack connector 76, the rack 74 is connected to the rack connector 76 through a bolt, and the rack connector 76 is welded to the comb-tooth beam 72.
As shown in fig. 23 and 25, the gear adjusting mechanisms are connected through a connecting rod 69, the connecting rod 69 passes through the centers of the 2 gears 80, the connecting rod 69 is connected with the gears 80 through a key, and the connecting rod 69 is provided with a limit pin shaft for preventing the connecting rod from moving along the axial direction.
As shown in fig. 24 to 25, the rack limiting mechanism includes a pair of clamping members 75, a spacer and a rack guide block 78, the spacer includes a first spacer plate 79 and a second spacer plate 81, the thickness of the first spacer plate 79 and the thickness of the second spacer plate 81 are greater than the thickness of the rack 74, the rack 74 has a waist hole, the guide block 78 guides the movement of the rack 74 through the waist hole, and the spacer is provided to control the relative position between the pair of clamping members, so that the rack 7 located inside the clamping members can smoothly move up and down under the driving of a gear. The clamps are also connected by bolts and spacers 77 as shown in fig. 25.
As shown in fig. 23 and 26, the gear adjusting mechanism further includes a gear locking mechanism, which in this embodiment is a pin 71 with a ring.
As shown in fig. 23, a nut is welded to the link end side to rotate the link.
The nut 70 of the connecting rod 69 is rotated through a wrench to drive the gear 80 to rotate, the rack 74 moves up and down in the vertical direction under the driving of the gear 80, the purpose of adjusting the operation depth of the comb teeth is further achieved, and after the operation depth of the comb teeth is adjusted, the gear is locked through the gear locking mechanism to prevent the rack from moving in the vertical direction due to the fact that the gear is not adjusted manually; in this embodiment the gear locking mechanism is a pin with a ring, and when the pin is located between 2 adjacent gears, the pin locks the gears, and when the gears need to be adjusted, the pin can be removed to adjust.
Claims (10)
1. The high-speed stubble-cleaning harrow is characterized in that: the foldable rear-adjusting harrow rack comprises a main harrow rack assembly, a middle harrow rack assembly, a left foldable harrow rack assembly and a right foldable harrow rack assembly, wherein the left foldable harrow rack assembly and the right foldable harrow rack assembly are connected to the left side and the right side of the main harrow rack assembly in a foldable manner;
one end of the left folding rake frame assembly, which is close to the main rake frame assembly, is connected with the lower end of the left side of the main rake frame assembly through a pin shaft, and one end of the left folding rake frame assembly, which is far away from the main rake frame assembly, is connected with the upper end of the left side of the main rake frame assembly through a folding oil cylinder; one end of the right folding rake frame assembly, which is close to the main rake frame assembly, is connected with the lower end of the right side of the main rake frame assembly through a pin shaft, and one end of the right folding rake frame assembly, which is far away from the main rake frame assembly, is connected with the upper end of the right side of the main rake frame assembly through a folding oil cylinder; the lower end in front of the main harrow plate assembly is connected with the traction frame assembly through a pin shaft, and the upper end in front of the main harrow plate assembly is connected with the traction frame assembly through a front adjusting oil cylinder; the rear lower end of the main harrow rack assembly is connected with the rear adjusting tail rack assembly through a pin shaft, and the rear upper end of the main harrow rack assembly is connected with the rear adjusting tail rack assembly through a rear adjusting oil cylinder; one end of the left folding press roller assembly, which is close to the rear adjusting tail frame assembly, is connected with the lower end of the left side of the rear adjusting tail frame assembly through a pin shaft, and one end of the left folding press roller assembly, which is far away from the rear adjusting tail frame assembly, is connected with the upper end of the left side of the rear adjusting tail frame assembly through a folding oil cylinder; one end, close to the rear adjusting tailstock assembly, of the right folding press roller assembly is connected with the lower end of the right side of the rear adjusting tailstock assembly through a pin shaft, and one end, far away from the rear adjusting tailstock assembly, of the right folding press roller assembly is connected with the upper end of the right side of the rear adjusting tailstock assembly through a folding oil cylinder; one end, close to the axle, of the connecting arm is fixedly connected with the axle, one side, close to the compression roller assembly, of the connecting arm is connected with the rear adjusting tailstock assembly through a pin shaft, and the position, close to the middle, of the connecting arm is connected with the rear adjusting tailstock assembly through a lifting oil cylinder;
the left folding rake rack component comprises a left folding rake rack and front and rear rows of rake assemblies arranged on the left folding rake rack, the right folding rake rack component comprises a right folding rake rack and front and rear rows of rake assemblies arranged on the right folding rake rack, and the middle rake rack component comprises a middle rake rack and rake assemblies arranged on the middle rake rack; looking at the blade assembly backwards in the direction of tractive force, the concave side of the blades in the front row of the left folding blade carrier facing obliquely outwards and forwards, the concave side of the blades in the front row of the right folding blade carrier facing obliquely outwards and forwards, the concave side of the blades in the rear row of the left folding blade carrier facing obliquely inwards and forwards, and the concave side of the blades in the rear row of the right folding blade carrier facing obliquely inwards and forwards; the front row of the middle rake frame is provided with a first rake blade and a second rake blade which are arranged back to back and offset in the traction direction, the concave side surfaces of the first rake blade and the second rake blade are obliquely towards the outer side and towards the front, and the first rake blade is offset backwards relative to the second rake blade in the traction direction; the front row of blades and the rear row of blades are arranged in a staggered mode.
2. The high-speed stubble rake of claim 1, wherein: the rear row position of the left folding rake frame is provided with a fifth rake blade, the rear row position of the right folding rake frame is provided with a fourth rake blade, the fourth rake blade and the fifth rake blade are arranged in a face-to-face mode, the fourth rake blade is forwards offset relative to the fifth rake blade along the traction direction, and the concave side faces of the fourth rake blade and the fifth rake blade face the inner side obliquely and face the front.
3. The high-speed stubble rake of claim 1, wherein: the rear row position of the middle rake rack is provided with a fourth rake blade and a fifth rake blade in a face-to-face mode, the fourth rake blade is offset forwards relative to the fifth rake blade along the traction direction, and the concave side surfaces of the fourth rake blade and the fifth rake blade face towards the inner side and the front in an inclined mode.
4. The high-speed stubble rake of claim 1, wherein: the first rake blade and the second rake blade are located on the same rake blade assembly, or the first rake blade and the second rake blade are located on the same rake blade fixing seat.
5. The high-speed stubble rake of claim 1, wherein: the left folding press roller assembly and the right folding press roller assembly are press roller assemblies with profiling structures (can be considered again).
6. The high-speed stubble rake of claim 1, wherein: the left folding press roller assembly and the right press roller assembly comprise a suspension frame and at least one press roller, the suspension frame comprises a first cross beam, a second cross beam and a third cross beam, two sides of the first cross beam are respectively connected with connecting arms, and the connecting arms are connected with two sides of the press roller through spherical outside bearings; the first cross beam and the second cross beam are movably connected through a first connecting structure, so that the first cross beam and the press roller positioned below the first cross beam can swing back and forth relative to the second cross beam; the second crossbeam with the third crossbeam carries out swing joint through second connection structure, makes the second crossbeam and be located the press roller subassembly of second crossbeam below is relative the third crossbeam does the horizontal hunting.
7. The high-speed stubble rake of claim 6, wherein: the first connecting structure comprises a first connecting lug fixed on the first cross beam and facing the second cross beam, and a second connecting lug fixed on the second cross beam and facing the first cross beam, the first connecting lug and the second connecting lug are connected with a first screw rod through a first pin shaft, and a sliding groove for the first screw rod to slide is formed in the second connecting lug; the second connecting structure comprises a connecting piece, the lower end of the connecting piece is fixedly connected with the second cross beam, and the upper end of the connecting piece is connected with the third cross beam through a second pin shaft; the first pin shaft and the second pin shaft are provided with a first limiting part for preventing the pin shaft from making axial motion and a second limiting part for preventing the pin shaft from making relative rotation.
8. The high-speed stubble rake of claim 1, wherein: the front adjusting oil cylinder and the rear adjusting oil cylinder are stroke adjustable oil cylinders.
9. The high-speed stubble rake of claim 1, wherein: the left folding rake rack assembly and the right folding rake rack assembly are both connected with a front row of adjustable comb tooth devices and a rear row of adjustable comb tooth devices, the front row of adjustable comb tooth devices are positioned behind the corresponding front row of rake blades, and the rear row of adjustable comb tooth devices are positioned behind the corresponding rear row of rake blades; or/and the high-speed stubble ploughing harrow is also provided with an adjustable soil retaining plate.
10. The high-speed stubble rake of claim 1, wherein: the folding oil cylinder is further provided with an oil cylinder overload protection system, the oil cylinder overload protection system comprises a first main oil pipe, a second main oil pipe, a synchronous diverter valve and an energy accumulator, each folding oil cylinder is further provided with a bidirectional balance valve, the first main oil pipe is communicated with a rod cavity of the folding oil cylinder through the synchronous diverter valve and the bidirectional balance valve, the second main oil pipe is communicated with a rodless cavity of the folding oil cylinder through the bidirectional balance valve, the rodless cavity of the folding oil cylinder is further communicated with the energy accumulator, and an oil circuit of the rod cavity of the folding oil cylinder is not communicated with an oil circuit of the rodless cavity of the folding oil cylinder.
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| CN202010866971.XA CN111972057B (en) | 2020-08-26 | 2020-08-26 | High-speed stubble cleaning harrow |
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| CN202010866971.XA CN111972057B (en) | 2020-08-26 | 2020-08-26 | High-speed stubble cleaning harrow |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113348789A (en) * | 2021-05-18 | 2021-09-07 | 宜兴博登泰科工业装备有限公司 | Power-driven harrow |
| CN114041338A (en) * | 2021-12-17 | 2022-02-15 | 吉林省农业机械研究院 | A combined soil preparation machine for returning full amount of corn stalks to the field |
| CN116267049A (en) * | 2023-04-27 | 2023-06-23 | 江西省红壤及种质资源研究所 | Small-sized dry surface layer hard soil unscrewing device |
| RU236616U1 (en) * | 2025-03-24 | 2025-08-14 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный аграрный университет имени П.А. Столыпина" | COMBINED SOIL CULTIVATION UNIT |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104365199A (en) * | 2014-11-01 | 2015-02-25 | 山东常林机械集团股份有限公司 | Hydraulic folding cutaway-disk stubble cleaning harrow |
| CN205567000U (en) * | 2016-04-28 | 2016-09-14 | 新疆昌大建筑安装工程有限责任公司 | Joint soil preparation of independent blade machine |
| CN210579931U (en) * | 2019-09-18 | 2020-05-22 | 山东运泰机械有限公司 | Disc harrow of set furrow opener |
| CN111418279A (en) * | 2020-03-09 | 2020-07-17 | 泰州樱田农机制造有限公司 | Rice seedbed rotary tillage ditching ridging flattening suppression double entry workover rig |
| CN212393151U (en) * | 2020-08-26 | 2021-01-26 | 宜兴博登泰科工业装备有限公司 | High-speed stubble-cleaning harrow |
-
2020
- 2020-08-26 CN CN202010866971.XA patent/CN111972057B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104365199A (en) * | 2014-11-01 | 2015-02-25 | 山东常林机械集团股份有限公司 | Hydraulic folding cutaway-disk stubble cleaning harrow |
| CN205567000U (en) * | 2016-04-28 | 2016-09-14 | 新疆昌大建筑安装工程有限责任公司 | Joint soil preparation of independent blade machine |
| CN210579931U (en) * | 2019-09-18 | 2020-05-22 | 山东运泰机械有限公司 | Disc harrow of set furrow opener |
| CN111418279A (en) * | 2020-03-09 | 2020-07-17 | 泰州樱田农机制造有限公司 | Rice seedbed rotary tillage ditching ridging flattening suppression double entry workover rig |
| CN212393151U (en) * | 2020-08-26 | 2021-01-26 | 宜兴博登泰科工业装备有限公司 | High-speed stubble-cleaning harrow |
Cited By (6)
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| CN113348789A (en) * | 2021-05-18 | 2021-09-07 | 宜兴博登泰科工业装备有限公司 | Power-driven harrow |
| CN113348789B (en) * | 2021-05-18 | 2024-03-08 | 宜兴博登泰科工业装备有限公司 | Power-driven harrow |
| CN114041338A (en) * | 2021-12-17 | 2022-02-15 | 吉林省农业机械研究院 | A combined soil preparation machine for returning full amount of corn stalks to the field |
| CN114041338B (en) * | 2021-12-17 | 2023-01-03 | 吉林省农业机械研究院 | Corn stalk total returning combined soil preparation machine |
| CN116267049A (en) * | 2023-04-27 | 2023-06-23 | 江西省红壤及种质资源研究所 | Small-sized dry surface layer hard soil unscrewing device |
| RU236616U1 (en) * | 2025-03-24 | 2025-08-14 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный аграрный университет имени П.А. Столыпина" | COMBINED SOIL CULTIVATION UNIT |
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