CN110476620A - Forward type agricultural crop straw finger wheel rake - Google Patents
Forward type agricultural crop straw finger wheel rake Download PDFInfo
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- CN110476620A CN110476620A CN201910408811.8A CN201910408811A CN110476620A CN 110476620 A CN110476620 A CN 110476620A CN 201910408811 A CN201910408811 A CN 201910408811A CN 110476620 A CN110476620 A CN 110476620A
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- wheel
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- hinge
- grass
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- 239000010902 straw Substances 0.000 title claims abstract description 36
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 46
- 239000000725 suspension Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 6
- 230000001737 promoting effect Effects 0.000 abstract 1
- 210000000078 claw Anatomy 0.000 description 5
- 244000037666 field crops Species 0.000 description 4
- 230000010354 integration Effects 0.000 description 2
- 208000034657 Convalescence Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
- A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
- A01B59/064—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors for connection to the front of the tractor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D89/00—Pick-ups for loaders, chaff-cutters, balers, field-threshers, or the like, i.e. attachments for picking-up hay or the like field crops
- A01D89/001—Pick-up systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D89/00—Pick-ups for loaders, chaff-cutters, balers, field-threshers, or the like, i.e. attachments for picking-up hay or the like field crops
- A01D89/005—Drives
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
Forward type agricultural crop straw finger wheel rake of the invention is formed by hugging to hug careless wheel, left side large arm, hang rack, universal profiling limit for height land wheel behind grass wheel, left side etc. before hugging grass wheel before right side, hugging careless wheel, right side large arm, left side behind right side.Right side large arm and left side large arm are hinged in suspension rack, grass wheel setting is hugged in the large arm of right side after hugging careless wheel and right side before right side, grass wheel setting is hugged in the large arm of left side after hugging careless wheel and left side before left side, and universal profiling limit for height land wheel is mounted on the lower section of right side large arm and left side large arm；Utilize the powered more than needed of tractor traction bundling machine operation; the acquisition expenses and use cost of equipment can be reduced; the repeated travel that equipment is reduced in operation is collected in agricultural crop straw; being conducive to protect the fields, being damaged property does not roll soil; ensure next season crops normal growth; the requirement for meeting agricultural crop straw collection, to the popularization for promoting China's agricultural crop straw collecting mechanical and development has important practical significance and applications well prospect.
Description
Technical field
The present invention relates to a kind of agricultural machinery, especially a kind of forward type crops for being applicable in crop straw field collection
Stalk finger wheel rake.
Background technique
China belongs to large agricultural country, and crop yield and stalk collect amount greatly, and available agricultural crop straw amount is every year
3.5 hundred million ~ 4.0 hundred million tons.Stalk collects the plantation that will affect next season crops not in time, wastes renewable resource, causes arbitrarily
The serious environmental pollution such as abandon, burn.China crops are multiple season plantation, when agricultural crop straw collects big amount, collection
Between short, soil convalescence it is short, vulnerable to weather influence, it would be highly desirable to carry out agricultural crop straw collection do mechanization operation.Promote agriculture
Crop material collect and comprehensive utilization, for stablize Agro-ecology balance, alleviate resource scarcity, protection environment all have it is very heavy
The meaning wanted.
It includes hugging the links such as bunched grass, picking up and bundling, field transhipment that the mechanization of agricultural crop straw, which is collected, wherein hugging careless collection
Hold together can be improved collection efficiency, reduce operating cost, rake is the important dress that crop straw field collects mechanization of operation
It is one of standby.It is collected in equipment in Crops Straw Stalk Mechanization, rake, can be according to field crops stalk list using relatively broad
Position collects amount and baler feed quantity demand, and the agricultural crop straw in the certain breadth in ground is gathered into picking up less than baler
The careless ridge of platform breadth is picked up, baler is reduced in the walking number and distance travelled in field, improves the collection bundling of agricultural crop straw
Efficiency reduces operating cost, is broadly divided into two class of rotary rake and pullrake by operation mode.Rotatably hug grass
Machine is mainly used for the bunched of herbage and stalk and teds operation, and operating efficiency is high, and tractor dynamic power output driving is needed to turn round
It walks with traction, there are problems that structure is complicated, involves great expense, the deficiencies of power consumption is big, being not suitable for China's agricultural crop straw
Collection operation.Pullrake, also referred to as graduated dial formula rake, structure is simple and does not need power drive, passes through bullet
Tooth finger wheel in the rolling on ground, stalk is carried out it is bunched, have consumption power it is low, operating efficiency is high, operating cost is more low
Feature, in China using relatively broad.
Domestic and international existing pullrake is divided into back suspended and towed two kinds of forms.Back suspended finger wheel hugs grass
Machine is articulated on the rear hanger bracket of tractor, and when operation is down to ground and tows operation, when transport promoted after move.It is towed to hug grass
Machine hug the folding and unfolding of grass wheel by tractor-drawn operation, by hydraulic system come operation or transport.Pullrake needs
It is independent to be equipped with tractor suspension or traction, with the mating integration of operation completing crops straw and collecting of baler.It hangs and draws afterwards
The pullrake of formula is both needed to independent outfit tractor, increases the acquisition cost and cost of use of equipment；It rake and beats
The integration of operation of bundle machine can roll repeatedly agricultural land soil and cause to damage, and be unfavorable for the life that season plantation crops are answered in China farmland
It is long.
Summary of the invention
The purpose of the present invention is designing a kind of forward type agricultural crop straw finger wheel rake, it is mounted on dragging for traction baler
On machine drawing front overhang hanger, using the powered more than needed of tractor traction bundling machine operation, especially suitable for field crops straw
Stalk hugs the bunched popularization and use with picking up and bundling institutional operation of grass.Forward type agricultural crop straw finger wheel rake does not need independence
Be equipped with tractor, the repeated travel of equipment can be reduced by collecting in operation in agricultural crop straw, be conducive to protect the fields soil not by
It is rolled to damageability, reduces the acquisition expenses and use cost of equipment, be conducive to the normal growth of next season crops, be suitble to
In the agriculture requirement that China's agricultural crop straw is collected, popularization and application and development to China's agricultural crop straw collecting mechanical is promoted
It has important practical significance and good application prospect.
The object of the present invention is achieved like this: forward type agricultural crop straw finger wheel rake by hugged before right side grass wheel (1),
Right side curved boom hinge (2), right side hug grass wheel (5) after hugging careless wheel arm (3), right side large arm (4), right side, Right vertical promotes hinge
Chain (6), right lift cylinder (7), right side large arm breadth adjust fixed device (8), right side promotes column (9), right horizontal rotation arm
Hinge (10), right horizontal rotation arm (11), tractor forward mounting tie point (12), left side promote column (13), left lift cylinder
(14), rack (15) are hung, left side large arm breadth adjusts fixed device (16), left horizontal rotation arm hinge (17), left level time
Pivoted arm (18), left vertical promote hinge (19), breadth adjusts device (20), left side large arm (21), profiling limit for height land wheel height
Grass wheel (25) is hugged behind regulating arm (22), universal profiling limit for height land wheel (23), left side right side curved boom hinge (24), left side, left side is hugged
Careless wheel arm (26) hugs the composition such as grass wheel (28) before hugging careless wheel bearing seat (27), left side；The rear portion of on-hook frame (15) is provided with 2
The front of group tractor forward mounting tie point (12), suspension rack (15) is provided with right horizontal rotation arm hinge (10) and Zuo Shuiping
Articulated arm hinge (17), right side large arm breadth adjusts fixed device (8) and left side large arm breadth adjusts fixed device (16) respectively
It is fixed on the two sides of suspension rack (15)；One end of right horizontal rotation arm (11) passes through right horizontal rotation arm hinge (10) and suspension
Rack (15) link, right side promote the top that column (9) are fixed on suspension rack (15), and the rear portion of right side large arm (4) passes through the right side
Side vertical-lift hinge (6) is linked at the other end of right horizontal rotation arm (11), and the both ends of right lift cylinder (7) are connected to
Right side large arm (4) and right side are promoted on column (9), and right side hugs careless wheel arm (3) and is mounted on right side by right side curved boom hinge (2)
The front of large arm (4), hugs before right side to hug grass behind grass wheel (1) and right side and take turns (5) and is mounted on respectively by hugging careless wheel bearing seat (27)
The both ends of careless wheel arm (3) are hugged on right side, and profiling limit for height land wheel height adjustment arm (22) is fixed under large arm (4) front of right side
Side, universal profiling limit for height land wheel (23) are mounted on the lower part of profiling limit for height land wheel height adjustment arm (22)；Left horizontal rotation arm
(18) one end is linked by left horizontal rotation arm hinge (17) and suspension rack (15), and left side promotion column (13) is fixed on outstanding
The top of on-hook frame (15), the rear portion of left side large arm (21) promote hinge (19) by left vertical and are linked at left horizontal rotation arm
(18) the other end, the both ends of left lift cylinder (14) are connected to left side large arm (21) and left side is promoted on column (13),
The front that careless wheel arm (26) is mounted on left side large arm (21) by curved boom hinge (24) on the right side of left side is hugged in left side, hugs grass before left side
Wheel (28) and left side after hug grass wheel (25) respectively by hug careless wheel bearing seat (27) be mounted on the left of hug the two of careless wheel arm (26)
End, profiling limit for height land wheel height adjustment arm (22) are fixed on the lower section of left side large arm (21) front, universal profiling limit for height land wheel
(23) it is mounted on the lower part of profiling limit for height land wheel height adjustment arm (22)；Breadth adjustment device (20) is bound up on right side large arm (4)
Between left side large arm (21), right side large arm (4) adjusts fixed device (8) positioning, left side large arm by right side large arm breadth
(21) fixed device (16) positioning is adjusted by left side large arm breadth.
Bunched when hugging careless operation, forward type elastic claw finger wheel rake is suspended on tractor front, and right side large arm and left side are big
Arm, which is in the shape of the letter V, to be unfolded forward, pushes walking to carry out operation by tractor；Right side large arm hugs careless wheel arm by right side and pushes right side
Before hug grass wheel with right side after hug grass wheel and hug grass wheel before ground turning anticlockwise, right side and push the agricultural crop straw on ground to right side
After hug careless wheel, grass wheel is hugged behind right side again by agricultural crop straw to intermediate bunched；Left side large arm is hugged careless wheel arm by left side and is pushed
Grass wheel is hugged before left side and is turned round clockwise with careless take turns is hugged behind left side along ground, and grass wheel is hugged before left side and pushes the agricultural crop straw on ground to
Careless wheel is hugged behind left side, and it is again that agricultural crop straw is bunched to centre that grass wheel is hugged behind left side；Agricultural crop straw after bunched lines up regulation
The careless ridge of width carries out picking up and bundling convenient for the baling press at tractor rear portion.
Forward type elastic claw finger wheel rake can collect amount and baler feed quantity tune according to field crops stalk unit
The whole bunched working width for hugging grass.By breadth adjust device drive left horizontal rotation arm and right horizontal rotation arm expand horizontally or
Contraction, left side large arm drive left side to hug careless wheel arm to change before left side and hug the careless expanded angle taken turns and hug grass wheel behind left side, the right side
Side large arm drive right side to hug careless wheel arm change before right side hug grass wheel with right side after hug the expanded angle of grass wheel, while passing through a left side
Side large arm breadth adjusts fixed device and right side large arm breadth adjusts fixed device and is fixed, and realizes the breadth of rake operation
Adjustment.
The adjustment that grass wheel suits height with ground is hugged, guarantees that elastic claw finger wheel hugs the pickup operation height of careless disk.Pass through profiling
The adjustment up and down of limit for height land wheel height adjustment arm, increases or decreases the position of universal profiling limit for height land wheel, and guarantee hugs grass wheel everywhere
Face height change forming movement realizes and hugs grass wheel and the best fitness on ground and pick up operation height, prevent from hugging careless disk time
Turn during by soil block bring into it is bunched after stalk in.
When forward type elastic claw finger wheel rake carries out field transfer or road, controls right lift cylinder and drive right side big
Arm promotes hinge by Right vertical and horizontal position is converted into upright position, controls left lift cylinder and left side large arm is driven to pass through
Left vertical promotes hinge and horizontal position is converted into upright position, and right side large arm and left side large arm are collapsed to hang in parastate
It is convenient for field and road in tractor front, realizes the operation and transport of forward type elastic claw finger wheel rake.
The advantages of forward type agricultural crop straw finger wheel rake of the invention, is: before being mounted on the tractor of traction baler
On hanger bracket, using the powered more than needed of tractor traction bundling machine operation, grass is hugged especially suitable for field crops stalk
The bunched popularization and application with picking up and bundling institutional operation.Forward type agricultural crop straw finger wheel rake does not need independent be equipped with and drags
Machine drawing, it is possible to reduce the acquisition expenses and use cost of equipment collect the repetition that equipment can be reduced in operation in agricultural crop straw
Traveling, being conducive to protect the fields, being damaged property does not roll soil, is conducive to next season crops normal growth, is able to satisfy China
The agriculture requirement that agricultural crop straw is collected has weight to the popularization and application and development that promote China's agricultural crop straw collecting mechanical
The realistic meaning and good application prospect wanted.
Detailed description of the invention
Specific structure of the invention is provided by following embodiment and attached drawing.
Fig. 1 is the structural schematic diagram of forward type agricultural crop straw finger wheel rake of the invention.
Below with reference to Fig. 1 to the detailed description of the invention.
In figure: 1, right side before hug careless wheel, 2, right side curved boom hinge, 3, right side hug careless wheel arm, 4, right side large arm, 5, right side
After hug careless wheel, 6, Right vertical promote hinge, 7, right lift cylinder, 8, right side large arm breadth adjust fixed device, 9, right side mentions
Rise column, 10, right horizontal rotation arm hinge, 11, right horizontal rotation arm, 12, tractor forward mounting tie point, 13, left side promotion
Column, 14, left lift cylinder, 15, suspension rack, 16, the fixed device of left side large arm breadth adjusting, 17, left horizontal rotation arm hinge
Chain, 18, left horizontal rotation arm, 19, left vertical promotion hinge, 20, breadth adjustment device, 21, left side large arm, 22, profiling limit
High land wheel height adjustment arm, 23, universal profiling limit for height land wheel, 24, curved boom hinge on the right side of left side, 25, hug careless wheel behind left side, 26,
Careless wheel arm is hugged in left side, and 27, hug careless wheel bearing seat, 28, hug careless wheel before left side.
Specific embodiment
The rear portion for hanging rack (15) as shown in Figure 1: is provided with 2 groups of tractor forward mounting tie points (12), hangs rack
(15) front is provided with right horizontal rotation arm hinge (10) and left horizontal rotation arm hinge (17), and right side large arm breadth adjusts solid
Determine device (8) and left side large arm breadth adjusts the two sides that fixed device (16) are separately fixed at suspension rack (15)；Right horizontal time
One end of pivoted arm (11) is linked by right horizontal rotation arm hinge (10) and suspension rack (15), and it is fixed that right side promotes column (9)
On the top of suspension rack (15), the rear portion of right side large arm (4) promotes hinge (6) by Right vertical and is linked at right horizontal rotation
The other end of arm (11), the both ends of right lift cylinder (7) are connected to right side large arm (4) and right side is promoted on column (9), right
The front that careless wheel arm (3) are mounted on right side large arm (4) by right side curved boom hinge (2) is hugged in side, and grass wheel (1) and the right side are hugged before right side
Grass wheel (5) is hugged behind side, and being mounted on right side by hugging careless wheel bearing seat (27) hugs the both ends of careless wheel arm (3) respectively, profiling limit for height
Wheel height adjustment arm (22) is fixed on the lower section of right side large arm (4) front, and universal profiling limit for height land wheel (23) is mounted on profiling limit
The lower part of high land wheel height adjustment arm (22)；One end of left horizontal rotation arm (18) is by left horizontal rotation arm hinge (17) and hangs
On-hook frame (15) link, left side promote the top that column (13) are fixed on suspension rack (15), and the rear portion of left side large arm (21) is logical
It crosses left vertical and promotes the other end that hinge (19) are linked at left horizontal rotation arm (18), the both ends difference of left lift cylinder (14)
It is connected to left side large arm (21) and left side is promoted on column (13), left side hugs careless wheel arm (26) and passes through curved boom hinge on the right side of left side
(24) it is mounted on the front of left side large arm (21), hugs grass wheel (25) respectively by hugging careless wheel after grass wheel (28) and left side are hugged before left side
Bearing block (27) is mounted on the both ends that careless wheel arm (26) are hugged in left side, and profiling limit for height land wheel height adjustment arm (22) is fixed on left side
The lower section of large arm (21) front, universal profiling limit for height land wheel (23) are mounted under profiling limit for height land wheel height adjustment arm (22)
Portion；Breadth adjustment device (20) is bound up between right side large arm (4) and left side large arm (21), and right side large arm (4) is big by right side
Arm breadth adjusts fixed device (8) positioning, and left side large arm (21) adjusts fixed device (16) positioning by left side large arm breadth.
Claims (1)
1. forward type agricultural crop straw finger wheel rake is by hugging grass wheel (1) before right side, careless wheel is hugged on right side curved boom hinge (2), right side
Grass wheel (5) is hugged behind curved boom (3), right side large arm (4), right side, that Right vertical promotes hinge (6), right lift cylinder (7), right side is big
Arm breadth adjusts fixed device (8), right side promoted column (9), right horizontal rotation arm hinge (10), right horizontal rotation arm (11),
Tractor forward mounting tie point (12), left side promote column (13), left lift cylinder (14), suspension rack (15), left side large arm
Breadth adjusts fixed device (16), left horizontal rotation arm hinge (17), left horizontal rotation arm (18), left vertical promotion hinge
(19), breadth adjustment device (20), left side large arm (21), profiling limit for height land wheel height adjustment arm (22), universal profiling limit for height
Grass wheel (25) is hugged behind curved boom hinge (24), left side on the right side of wheel (23), left side, left side hugs careless wheel arm (26), hugs careless wheel bearing seat
(27), grass wheel (28) composition is hugged before left side；Connect it is characterized by: the rear portion of on-hook frame (15) is provided with 2 groups of tractor forward mountings
The front of contact (12), suspension rack (15) is provided with right horizontal rotation arm hinge (10) and left horizontal rotation arm hinge (17),
Right side large arm breadth adjusts fixed device (8) and left side large arm breadth adjusts fixed device (16) and is separately fixed at suspension rack
(15) two sides；One end of right horizontal rotation arm (11) is linked by right horizontal rotation arm hinge (10) and suspension rack (15),
Right side promotes the top that column (9) are fixed on suspension rack (15), and the rear portion of right side large arm (4) promotes hinge by Right vertical
(6) be linked at the other end of right horizontal rotation arm (11), the both ends of right lift cylinder (7) be connected to right side large arm (4) and
Right side is promoted on column (9), and right side is hugged before careless wheel arm (3) be mounted on right side large arm (4) by right side curved boom hinge (2)
Portion, hug before right side hug behind grass wheel (1) and right side grass wheel (5) respectively by hug careless wheel bearing seat (27) be mounted on right side hug grass take turns it is curved
The both ends of arm (3), profiling limit for height land wheel height adjustment arm (22) are fixed on the lower section of right side large arm (4) front, universal profiling limit
High land wheel (23) is mounted on the lower part of profiling limit for height land wheel height adjustment arm (22)；One end of left horizontal rotation arm (18) passes through a left side
Horizontal rotation arm hinge (17) is linked with suspension rack (15), and left side promotes column (13) and is fixed on the upper of suspension rack (15)
The rear portion in portion, left side large arm (21) promotes the other end that hinge (19) are linked at left horizontal rotation arm (18) by left vertical,
The both ends of left lift cylinder (14) are connected to left side large arm (21) and left side is promoted on column (13), and careless wheel arm is hugged in left side
(26) front of left side large arm (21) is mounted on by curved boom hinge (24) on the right side of left side, after hugging grass wheel (28) and left side before left side
It hugs grass wheel (25) and is mounted on the both ends that careless wheel arm (26) are hugged in left side, profiling limit for height land wheel by hugging careless wheel bearing seat (27) respectively
Height adjustment arm (22) is fixed on the lower section of left side large arm (21) front, and universal profiling limit for height land wheel (23) is mounted on profiling limit for height
The lower part of land wheel height adjustment arm (22)；Breadth adjustment device (20) is bound up between right side large arm (4) and left side large arm (21),
Right side large arm (4) adjusts fixed device (8) positioning by right side large arm breadth, and left side large arm (21) passes through left side large arm breadth tune
Save fixed device (16) positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408811.8A CN110476620A (en) | 2019-05-16 | 2019-05-16 | Forward type agricultural crop straw finger wheel rake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408811.8A CN110476620A (en) | 2019-05-16 | 2019-05-16 | Forward type agricultural crop straw finger wheel rake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110476620A true CN110476620A (en) | 2019-11-22 |
Family
ID=68545840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910408811.8A Pending CN110476620A (en) | 2019-05-16 | 2019-05-16 | Forward type agricultural crop straw finger wheel rake |
Country Status (1)
| Country | Link |
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| CN (1) | CN110476620A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110915325A (en) * | 2019-12-05 | 2020-03-27 | 中国科学院东北地理与农业生态研究所 | Straw row-returning shallow-pressing covering strip tiller |
| CN110915424A (en) * | 2019-12-05 | 2020-03-27 | 中国科学院东北地理与农业生态研究所 | Tooth-like field straw clearance of slope solid dish elasticity and even tool of dividing into regular squares |
| CN114711028A (en) * | 2020-12-22 | 2022-07-08 | 黑龙江省农业科学院齐齐哈尔分院 | Tooth-contracting type straw cleaning device |
| CN115191237A (en) * | 2022-07-19 | 2022-10-18 | 泗县伟达农机具有限公司 | Multi-disc integrated rake |
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| US20180317390A1 (en) * | 2016-02-02 | 2018-11-08 | Vermeer Manufacturing Company | Raking apparatus with independently adjustable raking width and windrow width |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110915325A (en) * | 2019-12-05 | 2020-03-27 | 中国科学院东北地理与农业生态研究所 | Straw row-returning shallow-pressing covering strip tiller |
| CN110915424A (en) * | 2019-12-05 | 2020-03-27 | 中国科学院东北地理与农业生态研究所 | Tooth-like field straw clearance of slope solid dish elasticity and even tool of dividing into regular squares |
| CN110915424B (en) * | 2019-12-05 | 2024-05-28 | 中国科学院东北地理与农业生态研究所 | Inclined solid disc elastic tooth type field straw cleaning and uniform returning machine |
| CN110915325B (en) * | 2019-12-05 | 2024-06-07 | 中国科学院东北地理与农业生态研究所 | Straw returning shallow-pressure covered strip tiller |
| CN114711028A (en) * | 2020-12-22 | 2022-07-08 | 黑龙江省农业科学院齐齐哈尔分院 | Tooth-contracting type straw cleaning device |
| CN114711028B (en) * | 2020-12-22 | 2023-08-04 | 黑龙江省农业科学院齐齐哈尔分院 | Tooth-shrinking type straw cleaning device |
| CN115191237A (en) * | 2022-07-19 | 2022-10-18 | 泗县伟达农机具有限公司 | Multi-disc integrated rake |
| CN115191237B (en) * | 2022-07-19 | 2023-08-25 | 泗县伟达农机具有限公司 | Multi-disc integrated rake |
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