CN109729766A - Self-powered straw-returning subsoiling combine - Google Patents
Self-powered straw-returning subsoiling combine Download PDFInfo
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- CN109729766A CN109729766A CN201910196515.6A CN201910196515A CN109729766A CN 109729766 A CN109729766 A CN 109729766A CN 201910196515 A CN201910196515 A CN 201910196515A CN 109729766 A CN109729766 A CN 109729766A
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- rack
- subsoiling
- ridge
- ridging
- vertical bar
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Abstract
The invention discloses a kind of self-powered straw-returning subsoiling combines, including rack, tie ridger is installed on rear side of the rack, the tie ridger includes cross bar, vertical bar one and vertical bar two, the left and right ends of the cross bar are connected separately with vertical bar one and vertical bar two, and vertical bar one and vertical bar two are rotatablely connected by shaft two and cross bar, the middle part of the cross bar is connect by shaft three with gantry rotation, pressure ground roll is installed on the downside of the left end of the rack, the front and rear sides of the pressure ground roll pass through shaft four and are rotatably connected to mounting rack, the left part of the mounting rack is rotatablely connected vertical bar one by shaft five, wheel carrier is provided on the left of the lower end of the mounting rack.Multiple ridging monomer compound actions in ridging component in the present invention, can multiple ridges of disposable ridging according to actual needs, save the time, while the left ridge Ban Heyou ridge plate in ridging monomer can realize adjusting by regulating part, row spacing can be adjusted according to Different Crop, it is applied widely.
Description
Technical field
The present invention relates to a kind of farm working machinery equipment, specifically a kind of self-powered straw-returning subsoiling integration of operation
Machine.
Background technique
Rotary cultivator is the cultivation machinery for completing to plough, harrow operation with tractor.Because it is strong with hack ability, ploughs rear ground
The features such as table is flat, and be widely used；It can shred simultaneously and be embedded in earth's surface root stubble below, make convenient for seeder
Industry provides good kind of bed for later period sowing.It is divided into horizontal shaft type, vertical shaft type and inclined type three by the configuration mode of its rotary knife axis
Class.It is proper use of and adjustment rotary cultivator, to keep its good technique state,
Ensure that cultivating quality is critically important.Rotary cultivator, which has, to be broken plough sole, restores soil plough horizon structure, improves soil
Ability, elimination part weeds, reduction pest and disease damage, smooth earth's surface and the raising mechanized agricultural operation standard etc. of retaining and conserveing soil moisture are made
With.
Current rotary cultivator only has the effect of cultivated rake when in use, cannot carry out ridging to the farmland after ploughing, not have
The ability of institutional operation.Therefore, those skilled in the art provide a kind of self-powered straw-returning subsoiling combine,
To solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of self-powered straw-returning subsoiling combines, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of self-powered straw-returning subsoiling combine, including rack are equipped with ridging on rear side of the rack
Device, the tie ridger include cross bar, vertical bar one and vertical bar two, and the left and right ends of the cross bar are connected separately with vertical bar one and erect
Bar two, and vertical bar one and vertical bar two are rotatablely connected by shaft two and cross bar, the middle part of the cross bar passes through shaft three and machine
Frame rotation connection, the left end downside of the rack are equipped with pressure ground roll, and the front and rear sides of the pressure ground roll pass through four turns of shaft
Dynamic to be connected with mounting rack, the left part of the mounting rack is rotatablely connected vertical bar one by shaft five, and the lower end of the mounting rack is left
Side is provided with wheel carrier, and ridging traveling wheel is equipped on the wheel carrier, is provided with ridging component in the middle part of the mounting rack lower end；
The ridging component includes mounting rod and several ridging monomers, and several ridging monomers are in the lower end etc. of mounting rod
Spacing arrangement, the ridging monomer include the ridge left ridge Ban Heyou plate, institute hinged by hinge between the plate of the ridge left ridge Ban Heyou
The upper end for stating the ridge left ridge Ban Heyou plate is provided with sliding block, and the ridge left ridge Ban Heyou plate upper end corresponds to sliding block and is provided with sliding rail,
The left and right sides symmetrically offers sliding slot in the sliding rail, and the sliding block is mounted in sliding slot, positioned at the outer of sliding block in the sliding slot
Side position is provided with limit button, and the limit button is detachable structure, and the sliding rail upper center is provided with fixed link, described solid
The top of fixed pole is fixedly connected with mounting rod, is connected with regulating part on the inside of the plate of the ridge left ridge Ban Heyou；
Motor mechanism is installed on the right side of the frame upper end, rotary tillage mechanism is installed on the right side of the lower end of the rack, and
The outer upper of rotary tillage mechanism is equipped with protective cover, and the motor mechanism includes engine and speed reducing transmission case, the engine
Rotary tillage mechanism is connected by speed reducing transmission case, the side of the engine is equipped with collapsible air inlet pipe.
As a further solution of the present invention: the regulating part includes adjustable column and threaded rod, and the adjustable column quantity is
Two, the adjustable column is made of threaded barrel and movable axis, and adjustable column described in two passes through the left ridge of activity axis connection respectively
Plate and right ridge plate, the inside of the threaded barrel is hollow structure, and the inner surface of hollow structure has screw thread, and threaded rod screw thread connects
Two threaded barrels are connect, and are provided with rotating part in the middle part of threaded rod.
As further scheme of the invention: being equipped with several walkings wheel on the vertical bar two, and several walkings are used
Wheel is equipped with telescopic rod two, the top of the telescopic rod two passes through three turns of rotary shaft by connecting axis connection in the connecting shaft
Dynamic connection rack.
As further scheme of the invention: the right end of the rack is rotatably connected to hitch frame by shaft one, institute
The right end for stating hitch frame is equipped with pull ring.
As further scheme of the invention: the upper end of the hitch frame is provided with rotary shaft one, the rotary shaft one
It is rotatably connected with telescopic rod one, the top of the telescopic rod one is rotatablely connected rack by rotary shaft two.
As further scheme of the invention: the rack lower end is provided with subsoiling hook row on the left of rotary tillage mechanism,
And the top of the subsoiling hook row is mounted on the inside of rack, the subsoiling hook row includes six individual subsoiling hook monomers.
As further scheme of the invention: the subsoiling hook monomer is made of strut and curved portion, and curved portion is advantageous
It is stirred in soil, multiple subsoiling hook monomers are fixedly connected by fixing axle with rack.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention makes rotary tillage mechanism work by motor mechanism when in use, carries out at crushing to stalk in farmland
Reason, while digging by subsoiling hook row to farmland, the soil after stirring using pressure ground roll flattens, finally by ridging
Ridging component in device is by soil ridging, to make farmland integration complete returning to the field deep ploughing operation, compared to traditional first by agriculture
Field deep ploughing, the mode for flattening again ridging, improve work efficiency,
Realize straw-returning, rotary tillage, subsoiling, strike off, suppress, the disposable operation such as ridging is completed, be not necessarily to other mating agricultures
Equipment is fully able to reach the requirement of sowing.
2, multiple ridging monomer compound actions in ridging component in the present invention, can according to actual needs disposable ridging it is multiple
Ridge saves the time, while the left ridge Ban Heyou ridge plate in ridging monomer can realize adjusting by regulating part, can be according to different works
Object adjusts row spacing, applied widely.
3, the present invention has motor mechanism, carries 380~400 horsepowers of power, only needs 80 horsepowers of tractor
It uses, is not necessarily to big-powered tractor, which solves the problems, such as that tractor horsepower is insufficient；And the deceleration transmission in motor mechanism
Case can reduce revolving speed, increase torque, effectively increase the utilization rate of mechanical energy, while can effectively absorb using collapsible air inlet pipe
Pure air can be convenient pass through complicated highway section in the process of walking.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of self-powered straw-returning subsoiling combine.
Fig. 2 is the structural schematic diagram of subsoiling hook row in self-powered straw-returning subsoiling combine a kind of.
Fig. 3 is a kind of top view of ridging component in self-powered straw-returning subsoiling combine.
Fig. 4 is a kind of top view of ridging monomer in self-powered straw-returning subsoiling combine.
Fig. 5 is a kind of structural schematic diagram of regulating part in self-powered straw-returning subsoiling combine.
Fig. 6 is the vertical view in a kind of self-powered straw-returning subsoiling combine after ridging monomer removal limit button
Figure.
In figure: 1- rack, 2- motor mechanism, 201- engine, 202- speed reducing transmission case, 3- rotary tillage mechanism, 4- protective cover,
5- shaft one, 6- hitch frame, 7- pull ring, 8- rotary shaft one, 9- telescopic rod one, 10- rotary shaft two, 11- subsoiling hook row, 111- are deep
Loose hook monomer, 112- strut, 113- curved portion, 114- fixing axle, 12- tie ridger, 13- cross bar, 14- vertical bar one, 15- vertical bar
Two, 16- shaft two, 17- shaft three, 18- walking wheel, 19- telescopic rod two, 20- rotary shaft three, 21- press ground roll, 22- shaft
Four, 23- mounting rack, 24- shaft five, 25- wheel carrier, 26- ridging traveling wheel, 27- ridging component, 28- mounting rod, 29- ridging list
The left ridge plate of body, 30-, the right ridge plate of 31-, 32- hinge, 33- sliding block, 34- sliding rail, 35- sliding slot, 36- fixed link, 37- limit button,
38- regulating part, 381- adjustable column, 382- threaded barrel, 383- movable axis, 384- threaded rod, 385- rotating part, 39- are collapsible
Air inlet pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~6, in the embodiment of the present invention, a kind of self-powered straw-returning subsoiling combine, including machine
Frame 1 is equipped with motor mechanism 2 on the right side of 1 upper end of rack, is equipped with rotary tillage mechanism 3 on the right side of the lower end of the rack 1, and
The outer upper of rotary tillage mechanism 3 is equipped with protective cover 4, and the motor mechanism 2 includes engine 201 and speed reducing transmission case 202, institute
It states engine 201 and rotary tillage mechanism 3 is connected by speed reducing transmission case 202, provide operation power, the engine to rotary tillage mechanism 3
201 side is equipped with collapsible air inlet pipe 39, and the right end of the rack 1 is rotatably connected to hitch frame 6, institute by shaft 1
The right end for stating hitch frame 6 is equipped with pull ring 7, and the upper end of the hitch frame 6 is provided with rotary shaft 1, and the rotary shaft 1 rotates
It is connected with telescopic rod 1, the top of the telescopic rod 1 is rotatablely connected rack 1 by rotary shaft 2 10；
1 lower end of rack is provided with subsoiling hook row 11, and the top of subsoiling hook row 11 in the left side of rotary tillage mechanism 3
It is mounted on the inside of rack 1, the subsoiling hook row 11 includes six individual subsoiling hook monomers 111,
The subsoiling hook monomer 111 is made of strut 112 and curved portion 113, and curved portion 113 is conducive to turn over soil
Dynamic, multiple subsoiling hook monomers 111 are fixedly connected by fixing axle 114 with rack 1；
The rear side of the rack 1 is equipped with tie ridger 12, and the tie ridger 13 includes cross bar 13, vertical bar 1 and vertical bar
2 15, the left and right ends of the cross bar 13 are connected separately with vertical bar 1 and vertical bar 2 15,
And vertical bar 1 and vertical bar 2 15 are rotatablely connected by shaft 2 16 and cross bar 13, the middle part of the cross bar 13 is logical
It crosses shaft 3 17 and rack 1 is rotatablely connected, several walkings wheel 18, and several walkings wheel 18 are installed on the vertical bar 2 15
By connection axis connection, telescopic rod 2 19 is installed in the connecting shaft,
The top of the telescopic rod 2 19 is rotatablely connected rack 1 by rotary shaft 3 20；
Pressure ground roll 21 is installed, the front and rear sides of the pressure ground roll 21 pass through shaft four on the downside of the left end of the rack 1
22 are rotatably connected to mounting rack 23, and the left part of the mounting rack 23 is rotatablely connected vertical bar 1, the peace by shaft 5 24
It shelves and is provided with wheel carrier 25 on the left of 23 lower end, ridging traveling wheel 26,23 lower end of mounting rack are installed on the wheel carrier 25
Middle part is provided with ridging component 27；
The ridging component 27 includes mounting rod 28 and several ridging monomers 29,
Several ridging monomers 29 are equidistantly arranged in the lower end of mounting rod 28, and the ridging monomer 29 includes left ridge plate
30 and right ridge plate 31, hinged by hinge 32 between the left ridge plate 30 and right ridge plate 31, the left ridge plate 30 and right ridge plate 31
Upper end be provided with sliding block 33, the left ridge plate 30 and right 31 upper end of ridge plate correspond to sliding block 33 and are provided with sliding rail 34, the cunning
The left and right sides symmetrically offers sliding slot 35 in rail 34, and the sliding block 33 is mounted in sliding slot 35,
Outer fix in the sliding slot 35 positioned at sliding block 33 is provided with limit button 37, and the limit button 37 is detachable knot
Structure, 36 upper center of sliding rail are provided with fixed link 36, and the top of the fixed link 36 is fixedly connected with mounting rod 28, the left side
Regulating part 38 is connected on the inside of ridge plate 30 and right ridge plate 31；
The regulating part 38 includes adjustable column 381 and threaded rod 384, and 381 quantity of adjustable column is two, the adjusting
Column 381 is made of threaded barrel 382 and movable axis 383, and adjustable column 381 described in two connects a left side by movable axis 383 respectively
The inside of ridge plate 30 and right ridge plate 31, the threaded barrel 382 is hollow structure, and the inner surface of hollow structure has screw thread, spiral shell
Rasp bar 384 is threadedly coupled two threaded barrels 382, and the middle part of threaded rod 384 is provided with rotating part 385.
The working principle of the invention is:
At work, tractor pulls equipment walking by hitch frame 6 to the present invention, while the work of motor mechanism 2 drives rotation
It ploughs mechanism 3 to work, stalk in farmland is crushed, arrange 11 pairs of soil using subsoiling hook and carry out cultivation operation, by soil
In plant roots and stems etc. rout up, destroy rhizome, achieve the effect that stubble-cleaning, the soil after stirring is using pressure ground roll 21 by soil pressure
It is smooth, ridging finally is carried out to soil by the ridging component 27 in tie ridger 12；
In ridging, the angle between left ridge plate 30 and right ridge plate 31 can be manually adjusted first according to actual needs, adjusted
When, unscrew limit button 37, rotating the rotating part 385 in regulating part 38 rotates threaded rod 384,
It is mobile to close or opposite direction to drive adjustable column 381, thus drive left ridge plate 30 and right ridge plate 31 it
Between angle become larger or become smaller, to realize that the width of ridging when of different size of ridging monomer 29 is also different, reach and adjust ridge
Wide purpose again tightens limit button 37 after angular adjustment is good, plays the role of limiting left ridge plate 30 and right ridge plate 31, prevent
Its double swerve.
Included 380~400 horsepowers of the power of the motor mechanism 2 installed in the present invention, only needs 80 horsepowers of tractor can
To use, it is not necessarily to big-powered tractor, which solves the problems, such as that tractor horsepower is insufficient；Meanwhile the equipment is with a variety of
Function, can be realized straw-returning, rotary tillage, subsoiling, strike off, suppress, the disposable operation such as ridging is completed, be not necessarily to other mating agricultures
Equipment is fully able to reach the requirement of sowing；
Integration of operation equipment disclosed by the invention works 15~25 mu per hour, and 17~25 centimetres of working depth, subsoiling is deep
30~40 centimetres of degree, operation is deeply adjustable, and 0~25 centimetre of straw-returning depth, be that stirring-type crushes；Effect after striking off and suppressing
Fruit can match in excellence or beauty with highway, and stalk length, can be really after suppression less than 10 centimeters up to 95%, and after crushing for straw-returning degradation rate
It protects soil moisture not to be lost, guarantees the requirement of insemination and emergence.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of self-powered straw-returning subsoiling combine, including rack, which is characterized in that the rear side of the rack is pacified
Equipped with tie ridger, the tie ridger includes cross bar, vertical bar one and vertical bar two, and the left and right ends of the cross bar are connected separately with perpendicular
Bar one and vertical bar two, and vertical bar one and vertical bar two are rotatablely connected by shaft two and cross bar, the middle part of the cross bar is by turning
Axis three is connect with gantry rotation, and pressure ground roll is equipped on the downside of the left end of the rack, and the front and rear sides of the pressure ground roll pass through
Shaft four is rotatably connected to mounting rack, and the left part of the mounting rack is rotatablely connected vertical bar one, the mounting rack by shaft five
Lower end on the left of be provided with wheel carrier, ridging traveling wheel is installed on the wheel carrier, is provided with ridging in the middle part of the mounting rack lower end
Component；
The ridging component includes mounting rod and several ridging monomers, and several ridging monomers are equidistant in the lower end of mounting rod
Arrangement, the ridging monomer include the ridge left ridge Ban Heyou plate, the left side hinged by hinge between the plate of the ridge left ridge Ban Heyou
The upper end of the ridge ridge Ban Heyou plate is provided with sliding block, and the ridge left ridge Ban Heyou plate upper end corresponds to sliding block and is provided with sliding rail, described
The left and right sides symmetrically offers sliding slot in sliding rail, and the sliding block is mounted in sliding slot, positioned at the outside of sliding block position in the sliding slot
It installs and is equipped with limit button, the limit button is detachable structure, and the sliding rail upper center is provided with fixed link, the fixed link
Top be fixedly connected with mounting rod, be connected with regulating part on the inside of the plate of the ridge left ridge Ban Heyou；
Motor mechanism is installed on the right side of the frame upper end, rotary tillage mechanism is installed on the right side of the lower end of the rack, and in rotary tillage
The outer upper of mechanism is equipped with protective cover, and the motor mechanism includes engine and speed reducing transmission case, and the engine passes through
Speed reducing transmission case connects rotary tillage mechanism, and the side of the engine is equipped with collapsible air inlet pipe.
2. a kind of self-powered straw-returning subsoiling combine according to claim 1, which is characterized in that the tune
Section part includes adjustable column and threaded rod, and the adjustable column quantity is two, and the adjustable column is made of threaded barrel and movable axis,
Adjustable column described in two passes through the ridge activity axis connection left ridge Ban Heyou plate respectively, and the inside of the threaded barrel is hollow knot
Structure, and the inner surface of hollow structure has screw thread, threaded rod is threadedly coupled two threaded barrels, and rotation is provided in the middle part of threaded rod
Transfer part.
3. a kind of self-powered straw-returning subsoiling combine according to claim 1, which is characterized in that described perpendicular
Several walkings wheel is installed, and several walkings wheel passes through connection axis connection, is equipped in the connecting shaft flexible on bar two
The top of bar two, the telescopic rod two is rotatablely connected rack by rotary shaft three.
4. a kind of self-powered straw-returning subsoiling combine according to claim 1, which is characterized in that the machine
The right end of frame is rotatably connected to hitch frame by shaft one, and the right end of the hitch frame is equipped with pull ring.
5. a kind of self-powered straw-returning subsoiling combine according to claim 4, which is characterized in that described to lead
The upper end for drawing frame is provided with rotary shaft one, and the rotary shaft one is rotatably connected with telescopic rod one, and the top of the telescopic rod one passes through
Rotary shaft two is rotatablely connected rack.
6. a kind of self-powered straw-returning subsoiling combine according to claim 1, which is characterized in that the machine
Frame lower end is provided with subsoiling hook row on the left of rotary tillage mechanism, and the top of subsoiling hook row is mounted on the inside of rack, institute
Stating subsoiling hook row includes six individual subsoiling hook monomers.
7. a kind of self-powered straw-returning subsoiling combine according to claim 6, which is characterized in that the depth
Loose hook monomer is made of strut and curved portion, and curved portion is conducive to stir soil, and multiple subsoiling hook monomers pass through solid
Dead axle is fixedly connected with rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196515.6A CN109729766A (en) | 2019-03-15 | 2019-03-15 | Self-powered straw-returning subsoiling combine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196515.6A CN109729766A (en) | 2019-03-15 | 2019-03-15 | Self-powered straw-returning subsoiling combine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109729766A true CN109729766A (en) | 2019-05-10 |
Family
ID=66370484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910196515.6A Pending CN109729766A (en) | 2019-03-15 | 2019-03-15 | Self-powered straw-returning subsoiling combine |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111165096A (en) * | 2020-01-13 | 2020-05-19 | 新疆开拓者农业科技有限公司 | Self-powered adjustable single-shaft and multi-shaft straw returning combined machine |
| CN113439495A (en) * | 2021-06-25 | 2021-09-28 | 扬州大学 | Adjustable ridging device |
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|---|---|---|---|---|
| US20040140108A1 (en) * | 2003-01-16 | 2004-07-22 | Nobuo Yamazaki | Walk-behind tiller |
| CN203984970U (en) * | 2014-08-20 | 2014-12-10 | 青岛润珠农业装备科技有限公司 | A kind of adjustable row spacing support of sower |
| CN204425940U (en) * | 2015-01-12 | 2015-07-01 | 长春格瑞特农业装备科技有限公司 | Ridging with hydraulic transmission breaks lobe machine |
| CN205812710U (en) * | 2016-07-28 | 2016-12-21 | 黑龙江省润垚农业机械有限公司 | Three seven groups of ridge combined soil preparing machines |
| CN206472471U (en) * | 2016-12-07 | 2017-09-08 | 芜湖仓实农业装备制造有限公司 | A kind of ditching, ridging width lateral adjustments arm of seeder |
| CN208300231U (en) * | 2018-06-05 | 2019-01-01 | 内蒙古盛达机械制造有限责任公司 | Straw-returning rotation machine deeply |
| CN109392329A (en) * | 2018-10-10 | 2019-03-01 | 湖州南浔蚕乡原牧食品有限公司 | A kind of agricultural mini-tiller convenient for trench digging |
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2019
- 2019-03-15 CN CN201910196515.6A patent/CN109729766A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040140108A1 (en) * | 2003-01-16 | 2004-07-22 | Nobuo Yamazaki | Walk-behind tiller |
| CN203984970U (en) * | 2014-08-20 | 2014-12-10 | 青岛润珠农业装备科技有限公司 | A kind of adjustable row spacing support of sower |
| CN204425940U (en) * | 2015-01-12 | 2015-07-01 | 长春格瑞特农业装备科技有限公司 | Ridging with hydraulic transmission breaks lobe machine |
| CN205812710U (en) * | 2016-07-28 | 2016-12-21 | 黑龙江省润垚农业机械有限公司 | Three seven groups of ridge combined soil preparing machines |
| CN206472471U (en) * | 2016-12-07 | 2017-09-08 | 芜湖仓实农业装备制造有限公司 | A kind of ditching, ridging width lateral adjustments arm of seeder |
| CN208300231U (en) * | 2018-06-05 | 2019-01-01 | 内蒙古盛达机械制造有限责任公司 | Straw-returning rotation machine deeply |
| CN109392329A (en) * | 2018-10-10 | 2019-03-01 | 湖州南浔蚕乡原牧食品有限公司 | A kind of agricultural mini-tiller convenient for trench digging |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111165096A (en) * | 2020-01-13 | 2020-05-19 | 新疆开拓者农业科技有限公司 | Self-powered adjustable single-shaft and multi-shaft straw returning combined machine |
| CN113439495A (en) * | 2021-06-25 | 2021-09-28 | 扬州大学 | Adjustable ridging device |
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Application publication date: 20190510 |
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