CN113906845A - Foldable disc harrow - Google Patents
Foldable disc harrow Download PDFInfo
- Publication number
- CN113906845A CN113906845A CN202111144740.9A CN202111144740A CN113906845A CN 113906845 A CN113906845 A CN 113906845A CN 202111144740 A CN202111144740 A CN 202111144740A CN 113906845 A CN113906845 A CN 113906845A
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- Prior art keywords
- harrow
- folding
- bracket
- oil cylinder
- hinged
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- 230000007306 turnover Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
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Classifications
-
- 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
- A01B49/027—Combined machines with two or more soil-working tools of different kind with a rotating, soil working support element, e.g. a roller
Abstract
The folding disc harrow comprises a traction frame and a middle harrow body arranged at the rear end of the traction frame, wherein a traction joint is arranged at the front end of the traction frame, and wheels are arranged on two sides of the rear end of the traction frame; the middle harrow body is connected with the rear end of the traction frame through the turnover mechanism, one side or two sides of the middle harrow body are hinged with side harrow bodies, and the side harrow bodies are connected with the middle harrow body through the folding mechanism; the turnover mechanism is used for driving the middle harrow body and the side harrow body to be switched between a ploughing state and an upturning state, and the folding mechanism is used for driving the side harrow body to be switched between an unfolding state and a folding state. According to the folding disc harrow, when the middle harrow body is rotated to the upward turning state by the turning mechanism and the side harrow bodies are rotated to the folding state by the folding mechanism, the whole disc harrow has a smaller width, so that the transportation on the existing road can be realized, the super-width is avoided, and the technical problem that the existing disc harrow cannot be directly transported on the road is solved.
Description
Technical Field
The invention relates to a foldable disc harrow, in particular to a foldable disc harrow convenient for road transportation after being folded.
Background
Under the background of gradual development and perfection of modern agriculture, large-scale centralized planting becomes a development trend, and the centralized planting of large-area land requires higher requirements on the operation efficiency of agricultural machinery. In the cultivation process of large-area land, the existing small agricultural machine is not suitable any more, and the future development direction is formed due to the larger operation width. The disc harrow is used as ploughing and harrowing equipment with high operation efficiency and good deep scarification effect, the cultivated land is more favorable for the growth of crops, and the disc harrow has good development space in the future.
For disc rakes with large cultivation width (such as 6m, 9m and even 12 m), the disc rakes are of an integrated structure at present, and in the cultivation process, the disc rakes need to be transported to the field through a transport vehicle and then connected with a traction machine, so that the operation of ploughing the land is realized under the driving of the traction machine. After the cultivation is finished, the transport vehicle is used for transporting the disc harrow back, and the loading, unloading and transporting of the disc harrow are more cost and time, so that manpower and material resources for cultivation are not reduced. If the existing large-tillage-width disc harrow can be designed into a foldable form and folded in the transportation process, the disc harrow can be directly transported to and fro by using a traction machine without using a special transport vehicle.
Disclosure of Invention
The invention provides a folding disc harrow for overcoming the defects of the technical problems.
The folding disc harrow comprises a traction frame and a middle harrow body arranged at the rear end of the traction frame, wherein the front end of the traction frame is provided with a traction joint connected with a traction machine, and two sides of the rear end of the traction frame are provided with wheels; the method is characterized in that: the middle harrow body is connected with the rear end of the traction frame through the turnover mechanism, one side or two sides of the middle harrow body are hinged with side harrow bodies, and the side harrow bodies are connected with the middle harrow body through the folding mechanism; the middle harrow body and the side harrow bodies are respectively provided with harrow pieces for plowing fields; the turnover mechanism is used for driving the middle harrow body and the side harrow body to be switched between a ploughing state and an upturning state, and the folding mechanism is used for driving the side harrow body to be switched between an unfolding state and a folding state.
The folding disc harrow comprises a front connecting support, a rear connecting support, a main overturning oil cylinder, an axle and an auxiliary overturning oil cylinder, wherein a middle harrow body comprises a middle support and harrow pieces fixed below the middle support, the axle is positioned above a traction frame, and two ends of the axle are connected with wheels through first support legs; one end of the front connecting bracket and one end of the rear connecting bracket are fixed between the front connecting bracket and the rear connecting bracket, two ends of the main overturning oil cylinder are respectively hinged on the other end of the front connecting bracket and the rear connecting bracket and the traction frame, one end of the auxiliary overturning oil cylinder is hinged on the middle bracket, and the other end of the auxiliary overturning oil cylinder is hinged on an ear plate fixed on the wheel shaft; when the telescopic rods of the main overturning oil cylinder and the auxiliary overturning oil cylinder extend, the middle rake body and the side rake body are driven to rotate to a ploughing state, and when the telescopic rods of the main overturning oil cylinder and the auxiliary overturning oil cylinder retract, the middle rake body and the side rake body are driven to rotate to an upward ploughing state.
The folding mechanism of the folding disc harrow consists of a left connecting frame, a right connecting frame, a folding oil cylinder, an upper connecting plate and a lower connecting plate, wherein a side harrow body consists of a side bracket and harrow sheets fixed on the side bracket; one end of the left connecting frame and the right connecting frame is fixed on the middle bracket, the other end of the left connecting frame and the right connecting frame is hinged with one end of the folding oil cylinder, and the other end of the folding oil cylinder is hinged on the side bracket; when the telescopic link of folding hydro-cylinder extended, it rotated to the expansion state to order about the side harrow body, and when the telescopic link of folding hydro-cylinder retracted, it rotated to fold condition about the side harrow body.
According to the folding disc harrow, the middle harrow body and the side harrow bodies are respectively provided with a crushing and leveling mechanism consisting of a press wheel, a press wheel bracket, a press wheel shaft and a press wheel overturning oil cylinder, two ends of the press wheel shaft are rotatably arranged on the middle bracket or the side bracket, one end of the press wheel overturning oil cylinder is hinged on the middle bracket or the side bracket, and the other end of the press wheel overturning oil cylinder is hinged on an ear plate fixed on the press wheel shaft; the two ends of the press wheel are rotatably arranged on the press wheel bracket, and the press wheel bracket is fixed on the press wheel shaft.
According to the folding disc harrow, an auxiliary supporting mechanism consisting of an auxiliary wheel, a second supporting leg and a supporting leg oil cylinder is arranged on the outer side of a side harrow body, the upper end of the second supporting leg is hinged to a side support, the auxiliary wheel is arranged at the lower end of the second supporting leg, one end of the supporting leg oil cylinder is hinged to the side support, and the other end of the supporting leg oil cylinder is hinged to the middle of the second supporting leg.
According to the folding disc harrow, an auxiliary supporting mechanism consisting of an auxiliary wheel, a second supporting leg and a supporting leg oil cylinder is arranged on the outer side of a side harrow body, the upper end of the second supporting leg is hinged to a side support, the auxiliary wheel is arranged at the lower end of the second supporting leg, one end of the supporting leg oil cylinder is hinged to the side support, and the other end of the supporting leg oil cylinder is hinged to the middle of the second supporting leg.
According to the folding disc harrow, the front end of the traction frame is provided with the supporting legs and the supporting leg oil cylinders, the upper ends of the supporting legs are hinged to the traction frame, one ends of the supporting leg oil cylinders are hinged to the traction frame, and the other ends of the supporting leg oil cylinders are hinged to the middle parts of the supporting legs.
The invention has the beneficial effects that: the folding disc harrow is provided with a traction frame, a middle harrow body, side harrow bodies, a turnover mechanism and a folding mechanism, wherein the middle harrow body is connected with the traction frame through the turnover mechanism; when the turnover mechanism rotates the middle harrow body to an upwards turning state, and the folding mechanism rotates the side harrow body to a folding state, at the moment, the whole disc harrow can be transported on the existing road by a small width, the ultra-wide state is avoided, the technical problem that the existing disc harrow cannot be directly transported on the road is solved, the turnover mechanism is remarkable in beneficial effect, and is suitable for application and popularization.
Drawings
FIG. 1 is a front view of a folding disk rake of the present invention;
FIG. 2 is a rear view of the folding disk rake of the present invention;
FIG. 3 is a top view of the folding disk rake of the present invention;
FIG. 4 is a bottom view of the folding disk rake of the present invention;
FIG. 5 is a left side view of the folding disk rake of the present invention;
FIG. 6 is a right side view of the folding disk rake of the present invention;
FIG. 7 is a perspective view of the folding disk rake of the present invention;
fig. 8 and 9 are structural diagrams of the connecting part of the middle rake body and the traction frame in the invention;
FIG. 10 is a structural view of the connecting part of the middle rake body and the side rake body in the present invention;
fig. 11 is a structural view of a side rake body in the present invention.
In the figure: the four-wheel-type plough comprises a traction frame 1, a rake body 2 in the middle, a rake body 3 at the side, a traction joint 4, wheels 5, a middle support 6, a side support 7, a rake blade 8, a press wheel 9, auxiliary wheels 10, supporting legs 11, a supporting leg oil cylinder 12, a front connecting frame 13, a rear connecting frame 13, a main overturning oil cylinder 14, a wheel shaft 15, a first supporting leg 16, an auxiliary overturning oil cylinder 17, a front rake blade frame 18, a rear rake blade frame 19, a pressing wheel shaft 20, a pressing wheel overturning oil cylinder 21, a left connecting frame 22, a right connecting frame 23, a folding oil cylinder 24, an upper connecting plate 25, a lower connecting plate 25, a pin shaft 26, a second supporting leg 27, a supporting leg oil cylinder 28, a pressing wheel support 29 and a plough leg 30.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1 to 7, a front view, a rear view, a top view, a bottom view, a left view, a right view and a perspective view of the foldable disc harrow of the present invention are respectively provided, the foldable disc harrow comprises a traction frame 1, a middle harrow body 2, side harrow bodies 3, wheels 5, a turnover mechanism and a folding mechanism, the traction frame 1 plays a role of fixing and supporting, the front end of the traction frame 1 is provided with a traction joint 4, the traction joint 4 is used for being connected with a traction machine, the wheels 5 are positioned at the rear end of the traction frame, and plowing and transportation on a traffic road are realized under the driving action of the traction machine. The middle harrow body 2 is connected with the rear end of the traction frame 1 through the turnover mechanism, one side or two sides of the middle harrow body 2 are hinged with side harrow bodies 3, and the side harrow bodies 3 are connected with the middle harrow body 2 through the folding mechanism. The middle harrow body 2 and the side harrow body 3 are both provided with harrow plates 8 for carrying out ploughing operation.
The turnover mechanism can drive the middle harrow body 2 and the side harrow bodies 3 to be switched between a ploughing state and an upturning state, and the folding mechanism can drive the side harrow bodies 3 to be switched between an unfolding state and a folding state relative to the middle harrow body 2. When the turnover mechanism drives the middle harrow body 2 and the side harrow bodies 3 to be in a ploughing state, and the folding mechanism drives the harrow bodies 3 to be unfolded, the harrow plates 8 at the moment are inserted into soil, and the middle harrow body 2 and the side harrow bodies 3 can be driven to carry out ploughing operation with larger ploughing amplitude under the traction of the traction machinery.
When the turnover mechanism drives the middle harrow body 2 and the side harrow body 3 to rotate to an upwards turning state, and the folding mechanism drives the side harrow body 3 to be folded, the harrow pieces 8 on the middle harrow body 2 and the side harrow body 3 are all in a ground-off state at the moment, and the width of the whole harrow piece is smaller after the side harrow body 3 is folded, so that the harrow piece can be directly transported on a traffic road under the driving of a traction machine, and the problem that the existing large-tillage-width harrow piece can not be directly transported on the road is solved.
The middle rake body 2 is composed of a middle bracket 6 and a rake blade 8 fixed below the middle bracket 6, and the side rake body 3 is composed of a side bracket 7 and a rake blade 8 fixed below the side bracket 3. As shown in fig. 8 and 9, the structural diagrams of the connecting part of the middle rake body and the traction frame are shown, the turnover mechanism is composed of two front and rear connecting frames 13, two main turnover cylinders 14, two turnover cylinders 17 and a wheel shaft 15, the wheel shaft 15 is positioned above the rear end of the traction frame 1, and two wheels 5 are fixed at two ends of the wheel shaft 15 through first supporting legs 16. The two front and rear connecting frames 13 are positioned above the wheel shaft 15, one end of each front and rear connecting frame 13 is fixed on the middle support 6, the other end of each front and rear connecting frame is hinged with one end of the main overturning oil cylinder 14, and the other end of the main overturning oil cylinder 14 is hinged on the traction frame 1. One end of the auxiliary turning cylinder 17 is hinged to the intermediate bracket 6, and the other end is hinged to the end of an ear plate fixed to the wheel shaft 15.
Thus, when the telescopic rods of the main overturning oil cylinder 14 and the auxiliary overturning oil cylinder 17 extend, the middle rake body 2 and the side rake body 3 can be driven to overturn backwards, so that the middle rake body 2 and the side rake body 3 can rotate to the position of a ploughing state; when the telescopic rods of the main overturning oil cylinder 14 and the auxiliary overturning oil cylinder 17 retract, the middle rake body 2 and the side rake body 3 can be driven to overturn forwards, so that the middle rake body 2 and the side rake body 3 rotate to an upwards overturning state, at the moment, the rake blades 8 are suspended, and the disc rake can be transported on a road.
As shown in fig. 10, a structure diagram of the connection part of the middle rake body and the side rake body in the invention is provided, the folding mechanism is composed of a left connecting frame 22, a right connecting frame 22, a folding cylinder 23, an upper connecting plate 24 and a lower connecting plate 25, one end of the upper connecting plate 24 and one end of the lower connecting plate 25 are respectively fixed on the upper side surface and the lower side surface of the middle space 6, and the other end is connected with the end part of the side support 7 through a pin shaft 26, so that the middle support 6 is hinged with the side support 7, and the side rake body 3 can rotate relative to the middle rake body 2 to realize the unfolding and folding of the side rake body 3.
One end of the left and right connecting frames 22 is fixed on the middle bracket 6, the other end is hinged with one end of the folding oil cylinder 23, and the other end of the folding oil cylinder 23 is hinged on the side bracket 7. Thus, when the telescopic rod of the folding oil cylinder 23 extends, the side harrow bodies 3 can be driven to unfold until the side harrow bodies and the middle harrow body 2 are in the same plane, so as to realize the large-tillage operation. When the telescopic rod of the folding oil cylinder 23 retracts, the side harrow body 3 can be driven to move towards the position of the traction frame 1, so that the side harrow body 3 is folded, and the whole disc harrow has smaller width after being folded, so that the disc harrow can be conveniently transported on a road.
As shown in fig. 11, a structural diagram of the side rake body of the present invention is shown, the middle rake body 2 and the side rake body 3 are both provided with a crushing and leveling mechanism consisting of a pressing wheel shaft 20, a pressing wheel overturning cylinder 21, a pressing wheel 9 and a pressing wheel bracket 29, the crushing and leveling mechanism is used for crushing and leveling soil blocks ploughed by the rake blades 8, two ends of the pressing wheel shaft 20 are rotatably arranged on the side bracket 7 or the middle bracket 6, one end of the pressing wheel overturning cylinder 21 is hinged on an ear plate fixed on the pressing wheel shaft 20, and the other end is hinged on the middle bracket 6 or the side bracket 7. The two ends of the press wheel 9 are rotatably arranged on a press wheel bracket 29, and the press wheel bracket 29 is fixed on a press wheel shaft 20. Like this, the telescopic link extension of press wheel upset hydro-cylinder 21 can order about press wheel 9 and press to ground to the clod that will turn over is smashed and the flattening.
The outside of the shown side harrow body 3 all is provided with auxiliary stay mechanism, auxiliary stay mechanism is by auxiliary wheel 10, second landing leg 27 and landing leg hydro-cylinder 28 are constituteed, the upper end of second landing leg 27 articulates on side support 7, auxiliary wheel 10 rotates and sets up in the lower extreme of second landing leg 27, the one end of landing leg hydro-cylinder 28 articulates on side support 7, the other end articulates in the middle part of second landing leg 27, thus, through the flexible of landing leg hydro-cylinder 28 telescopic link, can order about auxiliary wheel 10 and go up and down for side support 7, realized promptly supporting middle harrow body 2 and side harrow body 3 in the operation process of ploughing, also can control and adjust its depth of ploughing.
The lower surfaces of the middle bracket 6 and the side bracket 7 are fixed with a front blade frame 18 and a rear blade frame 19 which are consistent with the length direction of the middle bracket and the side bracket, and a plurality of blades 8 are fixed on the front blade frame 18 and the rear blade frame 19 at equal intervals through plough legs 30, thus forming two rows of blades 8. The orientation of two rows of blades 8 is opposite, and like this, preceding one row of blade 8 ploughs soil to the left, and a back blade 8 ploughs soil to the right, is favorable to smashing soil.
The front end of the traction frame 1 is also provided with a supporting leg 11, the upper end of the supporting leg 11 is hinged to the traction frame 1, one end of a supporting leg oil cylinder 12 is hinged to the traction frame 1, and the other end of the supporting leg oil cylinder is hinged to the middle of the supporting leg 11, so that when the supporting leg oil cylinder 12 drives the supporting leg 11 to stretch, the supporting of the traction frame 1 can be achieved.
Claims (7)
1. A folding disc harrow comprises a traction frame (1) and a middle harrow body (2) arranged at the rear end of the traction frame, wherein the front end of the traction frame is provided with a traction joint (4) connected with a traction machine, and two sides of the rear end of the traction frame are provided with wheels (5); the method is characterized in that: the middle harrow body is connected with the rear end of the traction frame through a turnover mechanism, one side or two sides of the middle harrow body are hinged with side harrow bodies (3), and the side harrow bodies are connected with the middle harrow body through a folding mechanism; the middle harrow body and the side harrow bodies are both provided with harrow plates (8) for plowing fields; the turnover mechanism is used for driving the middle harrow body and the side harrow body to be switched between a ploughing state and an upturning state, and the folding mechanism is used for driving the side harrow body to be switched between an unfolding state and a folding state.
2. The folding disk rake of claim 1 wherein: the turnover mechanism consists of a front connecting support (13), a rear connecting support (13), a main turnover oil cylinder (14), an axle (15) and an auxiliary turnover oil cylinder (17), the middle rake body (2) consists of a middle support (6) and a rake blade (8) fixed below the middle support, the axle is positioned above the traction frame (1), and two ends of the axle are connected with wheels (5) through first support legs (16); one end of the front connecting bracket and one end of the rear connecting bracket are fixed between the front connecting bracket and the rear connecting bracket, two ends of the main overturning oil cylinder are respectively hinged on the other end of the front connecting bracket and the rear connecting bracket and the traction frame, one end of the auxiliary overturning oil cylinder is hinged on the middle bracket, and the other end of the auxiliary overturning oil cylinder is hinged on an ear plate fixed on the wheel shaft; when the telescopic rods of the main overturning oil cylinder and the auxiliary overturning oil cylinder extend, the middle rake body (2) and the side rake body (3) are driven to rotate to a ploughing state, and when the telescopic rods of the main overturning oil cylinder and the auxiliary overturning oil cylinder retract, the middle rake body and the side rake body are driven to rotate to an upward ploughing state.
3. The folding disk rake of claim 2 wherein: the folding mechanism consists of a left connecting frame (22), a right connecting frame (22), a folding oil cylinder (23), an upper connecting plate (24) and a lower connecting plate (25), the side rake body (3) consists of a side bracket (7) and a rake blade (8) fixed on the side bracket, one end of the upper connecting plate and one end of the lower connecting plate are respectively fixed on the upper side and the lower side of the end part of the middle bracket (6), and the other ends of the upper connecting plate and the lower connecting plate are respectively hinged to the upper side and the lower side of the end part of the side bracket through pin shafts; one end of the left connecting frame and the right connecting frame is fixed on the middle bracket (6), the other end of the left connecting frame and the right connecting frame is hinged with one end of a folding oil cylinder, and the other end of the folding oil cylinder is hinged on the side bracket; when the telescopic link of folding hydro-cylinder extended, order about side harrow body (3) and rotate to the state of expanding, when the telescopic link of folding hydro-cylinder retracted, order about the rotation of side harrow body to fold condition.
4. The folding disk rake of claim 3 wherein: the middle harrow body (2) and the side harrow body (3) are respectively provided with a crushing and leveling mechanism consisting of a press wheel (9), a press wheel bracket (29), a press wheel shaft (20) and a press wheel overturning oil cylinder (21), two ends of the press wheel shaft are rotatably arranged on the middle bracket (6) or the side bracket (7), one end of the press wheel overturning oil cylinder is hinged on the middle bracket or the side bracket, and the other end of the press wheel overturning oil cylinder is hinged on an ear plate fixed on the press wheel shaft; the two ends of the press wheel are rotatably arranged on the press wheel bracket, and the press wheel bracket is fixed on the press wheel shaft.
5. The folding disk rake of claim 3 or 4, wherein: an auxiliary supporting mechanism consisting of auxiliary wheels (10), second supporting legs (27) and supporting leg oil cylinders (28) is arranged on the outer sides of the side rake bodies (3), the upper ends of the second supporting legs are hinged to the side supports (7), the auxiliary wheels are arranged at the lower ends of the second supporting legs, one ends of the supporting leg oil cylinders are hinged to the side supports, and the other ends of the supporting leg oil cylinders are hinged to the middle portions of the second supporting legs.
6. The folding disk rake of claim 3 or 4, wherein: two rows of harrow plates (8) are arranged on the middle harrow body (2) and the side harrow body (3), a front harrow plate frame (18) and a rear harrow plate frame (19) are fixed on the lower surfaces of the middle support (6) and the side support (7) along the length direction of the middle support and the side support, the two rows of harrow plates are respectively fixed on the front harrow plate frame and the rear harrow plate frame through plough legs (30), and the orientation of the harrow plates on the two rows of harrow plates is opposite.
7. The folding disk rake of claim 3 or 4, wherein: the front end of the traction frame (1) is provided with a supporting leg (11) and a supporting leg oil cylinder (12), the upper end of the supporting leg is hinged to the traction frame, one end of the supporting leg oil cylinder is hinged to the traction frame, and the other end of the supporting leg oil cylinder is hinged to the middle of the supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144740.9A CN113906845A (en) | 2021-09-28 | 2021-09-28 | Foldable disc harrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144740.9A CN113906845A (en) | 2021-09-28 | 2021-09-28 | Foldable disc harrow |
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| Publication Number | Publication Date |
|---|---|
| CN113906845A true CN113906845A (en) | 2022-01-11 |
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ID=79236883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111144740.9A Pending CN113906845A (en) | 2021-09-28 | 2021-09-28 | Foldable disc harrow |
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| CN (1) | CN113906845A (en) |
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|---|---|---|---|---|
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| US4171022A (en) * | 1977-09-26 | 1979-10-16 | Great Plains Manufacturing Incorporated | Foldable construction for agricultural implements |
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| EP2589283A1 (en) * | 2011-11-07 | 2013-05-08 | Kerner Maschinenbau GmbH | Combined soil cultivation device for large work widths with collapsible side sections |
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| 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 |
| CN207118246U (en) * | 2017-08-07 | 2018-03-20 | 新疆昌大农机制造有限责任公司 | A kind of combined soil preparing machine foldable structure |
| CN110140453A (en) * | 2019-06-10 | 2019-08-20 | 王庆新 | The quick stubble-cleaning hydraulic foldable rake of monomer |
| CN211982709U (en) * | 2020-03-27 | 2020-11-24 | 丁利民 | Hydraulic folding rake |
| EP3763180A1 (en) * | 2019-07-10 | 2021-01-13 | CLAAS Saulgau GmbH | Harvesting device and method for transferring the same between a working position and a transport position |
| CN212876559U (en) * | 2020-08-14 | 2021-04-06 | 石家庄沃强机械制造有限公司 | Folding type compacting machine |
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2021
- 2021-09-28 CN CN202111144740.9A patent/CN113906845A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2958477A (en) * | 1976-10-11 | 1979-04-26 | Chivell A J | Foldable harrow frame |
| US4171022A (en) * | 1977-09-26 | 1979-10-16 | Great Plains Manufacturing Incorporated | Foldable construction for agricultural implements |
| US6415873B1 (en) * | 2000-10-19 | 2002-07-09 | Jimmy Hudgins | Sand fighter |
| CN1874672A (en) * | 2003-10-29 | 2006-12-06 | 库恩股份有限公司 | Agricultural machine for swathing products lying on the ground |
| EP1529430A1 (en) * | 2003-11-06 | 2005-05-11 | Väderstad-Verken AB | Device at a soil tillage implement |
| EP2589283A1 (en) * | 2011-11-07 | 2013-05-08 | Kerner Maschinenbau GmbH | Combined soil cultivation device for large work widths with collapsible side sections |
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| 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 |
| CN207118246U (en) * | 2017-08-07 | 2018-03-20 | 新疆昌大农机制造有限责任公司 | A kind of combined soil preparing machine foldable structure |
| CN110140453A (en) * | 2019-06-10 | 2019-08-20 | 王庆新 | The quick stubble-cleaning hydraulic foldable rake of monomer |
| EP3763180A1 (en) * | 2019-07-10 | 2021-01-13 | CLAAS Saulgau GmbH | Harvesting device and method for transferring the same between a working position and a transport position |
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| CN212876559U (en) * | 2020-08-14 | 2021-04-06 | 石家庄沃强机械制造有限公司 | Folding type compacting machine |
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Application publication date: 20220111 |
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| RJ01 | Rejection of invention patent application after publication |