CN113261430A - Vertical rotation type rake - Google Patents
Vertical rotation type rake Download PDFInfo
- Publication number
- CN113261430A CN113261430A CN202110558690.2A CN202110558690A CN113261430A CN 113261430 A CN113261430 A CN 113261430A CN 202110558690 A CN202110558690 A CN 202110558690A CN 113261430 A CN113261430 A CN 113261430A
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- China
- Prior art keywords
- cross beam
- wheel
- elastic
- elastic tooth
- transmission
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000003137 locomotive effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 244000025254 Cannabis sativa Species 0.000 abstract description 13
- 239000004459 forage Substances 0.000 abstract description 12
- 235000021049 nutrient content Nutrition 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D78/00—Haymakers with tines moving with respect to the machine
- A01D78/06—Haymakers with tines moving with respect to the machine with tine-carrying endless chains or belts
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D80/00—Parts or details of, or accessories for, haymakers
- A01D80/02—Tines; Attachment of tines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a vertical rotary rake which comprises a traction frame, wherein the traction frame comprises a longitudinal beam, a front cross beam and a rear cross beam, the front cross beam is arranged in the middle of the longitudinal beam, the rear cross beam is arranged at the rear end of the longitudinal beam, a traction ring is arranged at the front end of the longitudinal beam, a power transmission mechanism is arranged between the longitudinal beam and the front cross beam, the left side and the right side of the traction frame are symmetrically connected with elastic tooth slewing mechanisms, the left side and the right side of the front cross beam are connected with universal wheels through a front connecting beam and a first connecting frame, and the left side and the right side of the rear cross beam are connected with walking wheels through a rear. The invention is convenient to control the speed of the elastic teeth relative to the forage grass, ensures that the missing raking caused by too low relative speed is avoided, and the nutrient content in the forage grass is not damaged by too high relative speed; the moving direction of the elastic teeth is opposite to the traction moving direction of the tractor when the elastic teeth work, and when the tractor moves forwards quickly, the relative speed between the elastic teeth and the pasture can be controlled within a reasonable range, so that the working efficiency is improved.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a vertical rotary rake.
Background
With the rapid development of animal husbandry in China, the collection of pasture and straws is particularly important, and particularly, the large-area concentrated planting of pasture on some grasslands puts higher requirements on pasture receiving machinery. The majority of current rake does not have ground profile modeling device, and the effect of raking grass can seriously be influenced to the unevenness of fluctuation on ground, and the relative speed between current rake bullet tooth and the forage grass is hardly fixed, and speed can lead to the loss of forage grass nutrient composition at the excessive speed, then can influence the confining force between bullet tooth and forage grass too slowly, produces and lou the phenomenon of raking.
Disclosure of Invention
The invention aims to provide a vertical rotary rake, which solves the problems that the existing rake does not have a ground profiling device, the relative speed between an elastic tooth and forage grass is difficult to fix, and the raking missing phenomenon is easy to occur.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a vertical rotary rake which comprises a traction frame, wherein the traction frame comprises a longitudinal beam, a front cross beam and a rear cross beam, the front cross beam is arranged in the middle of the longitudinal beam, the rear cross beam is arranged at the rear end of the longitudinal beam, a traction ring for connecting with a power locomotive is arranged at the front end of the longitudinal beam, a power transmission mechanism is arranged between the longitudinal beam and the front cross beam, elastic tooth slewing mechanisms are symmetrically connected to the left side and the right side of the traction frame, and the power transmission mechanism is in transmission connection with the elastic tooth slewing mechanisms and drives the elastic tooth slewing mechanisms to rotate; the left and right sides of front beam is connected with the universal wheel through front tie-beam and first link, the left and right sides of back crossbeam is connected with the walking wheel through back tie-beam and second link, bullet tooth rotation mechanism's both ends positioning connection be in on front tie-beam, the back tie-beam.
Furthermore, power transmission device including set up in the gear box of front beam front end, the front end of gear box is provided with the power input shaft, the power input shaft passes through the spline and is connected with tractor power take off, the left and right sides of gear box is provided with the transmission shaft, the transmission shaft pass through universal coupling with bullet tooth rotation mechanism transmission is connected.
And furthermore, the two elastic tooth slewing mechanisms are arranged in a V shape.
Furthermore, the front connecting beam is detachably connected to the left side and the right side of the front cross beam, the first connecting frame is vertically connected to the end portion of the front connecting beam, and the bottom of the first connecting frame is connected with the universal wheel through a bolt assembly; the rear connecting beam is arranged on the left side and the right side of the rear cross beam, the second connecting frame is perpendicularly connected to the end portion of the rear connecting beam, and the bottom of the second connecting frame is connected with the traveling wheel through a bolt assembly.
Still further, the front connecting beam and the rear connecting beam on the same side are arranged in parallel, the front connecting beam and the front cross beam are arranged at a certain angle, and the rear connecting beam and the rear cross beam are arranged at a certain angle.
Still further, bullet tooth rotation mechanism is including rotating the rotation action wheel of installing in the frame and gyration from the driving wheel, the gyration action wheel with the gyration is provided with the driving chain from between the driving wheel, evenly be provided with a plurality of bullet tooth arms on the driving chain, be provided with the bullet tooth on the bullet tooth arm, be close to on the center pin of gyration action wheel big V band pulley is installed to one side of longeron, be close to in the frame the one end of big V band pulley is rotated and is installed little V band pulley, little V band pulley with universal coupling connects, big V band pulley with be provided with the V area between the little V band pulley.
Furthermore, a plurality of rectangular bulges are arranged on the wheel surfaces of the rotary driving wheel and the rotary driven wheel at equal intervals, and the rectangular bulges drive the transmission chain to move.
Still further, the elastic tooth arm is I-shaped, the bottom of the elastic tooth arm is arranged on the transmission chain, and the elastic teeth are arranged at the top of the elastic tooth arm.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention relates to a vertical rotary rake which comprises a traction frame, wherein the traction frame comprises a longitudinal beam, a front cross beam and a rear cross beam, the front cross beam is arranged in the middle of the longitudinal beam, the rear cross beam is arranged at the rear end of the longitudinal beam, a traction ring is arranged at the front end of the longitudinal beam, a power transmission mechanism is arranged between the longitudinal beam and the front cross beam, the left side and the right side of the traction frame are symmetrically connected with elastic tooth slewing mechanisms, and the power transmission mechanism is in transmission connection with the elastic tooth slewing mechanisms and drives the elastic tooth slewing mechanisms to rotate; the left side and the right side of the front cross beam are connected with universal wheels through a front connecting beam and a first connecting frame, the left side and the right side of the rear cross beam are connected with walking wheels through a rear connecting beam and a second connecting frame, and two ends of the elastic-tooth swing mechanism are positioned and connected on the front connecting beam and the rear connecting beam; the invention is convenient to control the speed of the elastic tooth relative to the forage grass when the rake works, and ensures that the raking is not missed due to too low relative speed and the nutrient content in the forage grass is not damaged due to too high relative speed; the movement direction of the elastic teeth during working is opposite to the traction movement direction of the tractor, when the tractor moves forwards quickly, the rotation speed of the elastic teeth is improved, the relative speed between the elastic teeth and the forage grass can be controlled within a reasonable range, and the rake can advance quickly as long as the power of the tractor is enough, so that the working efficiency is improved greatly.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of a vertical rotary rake of the present invention;
FIG. 2 is a schematic structural view of a spring-tooth revolving mechanism according to the present invention;
FIG. 3 is an enlarged view of the invention at A;
description of reference numerals: 1. a spring-tooth slewing mechanism; 2. a traction ring; 3. a spline; 4. a power input shaft; 5. a stringer; 6. a gear case; 7. a drive shaft; 8. a front cross member; 9. a universal coupling; 10. a universal wheel; 11. a traveling wheel; 12. a rear cross member; 1-1, elastic teeth; 1-2, spring tooth arms; 1-3, large V belt wheel; 1-4, a rotary driving wheel; 1-5, V belt; 1-6, small V belt wheel; 1-7, a rotary driven wheel; 1-8, a transmission chain; 1-9, a frame; 1-10 of rectangular bulges; 8-1, a front connecting beam; 8-2, a first connecting frame; 12-1, a rear connecting beam; 12-2 and a second connecting frame.
Detailed Description
As shown in fig. 1-3, a vertical rotary rake comprises a traction frame, wherein the traction frame comprises a longitudinal beam 5, a front cross beam 8 and a rear cross beam 12, the front cross beam 8 is welded in the middle of the longitudinal beam 5, the rear cross beam 12 is welded at the rear end of the longitudinal beam 5, a traction ring 2 connected with a power locomotive is welded at the front end of the longitudinal beam 5, a power transmission mechanism is arranged between the longitudinal beam 5 and the front cross beam 8, elastic tooth swing mechanisms 1 are symmetrically connected to the left side and the right side of the traction frame, and the power transmission mechanism is in transmission connection with the elastic tooth swing mechanisms 1 and drives the elastic tooth swing mechanisms 1 to rotate; the left side and the right side of the front cross beam 8 are connected with universal wheels 10 through a front connecting beam 8-1 and a first connecting frame 8-2, the left side and the right side of the rear cross beam 12 are connected with walking wheels 11 through a rear connecting beam 12-1 and a second connecting frame 12-2, and two ends of the elastic-tooth slewing mechanism 1 are connected to the front connecting beam 8-1 and the rear connecting beam 12-1 in a positioning manner; the elastic tooth slewing mechanism 1 is arranged in a V shape, the moving direction of the elastic tooth 1-1 and the moving direction of the tractor are fixed in angle during working, the speed of the elastic tooth 1-1 relative to forage grass during working of the rake is convenient to control, and the condition that the raking is missed due to too low relative speed and the nutritional ingredients in the forage grass are damaged due to too high relative speed is ensured; the moving direction of the elastic teeth 1-1 is opposite to the traction moving direction of the tractor when the tractor moves forwards, the relative speed between the elastic teeth 1-1 and the pasture can be controlled within a reasonable range by improving the rotating speed of the elastic teeth 1-1, and the rake can advance quickly as long as the power of the tractor is enough, so that the working efficiency is greatly improved.
Specifically, the power transmission mechanism comprises a gear box 6 arranged at the front end of the front cross beam 8, a power input shaft 4 is arranged at the front end of the gear box 6, the power input shaft 4 is connected with a power output shaft of a tractor through a spline 3, transmission shafts 7 are connected to the left side and the right side of the gear box 6, and the transmission shafts 7 are in transmission connection with the elastic-tooth swing mechanism 1 through universal couplings 9.
The two elastic tooth rotating mechanisms 1 are arranged in a V shape.
The front connecting beam 8-1 is detachably connected to the left side and the right side of the front cross beam 8, the first connecting frame 8-2 is vertically connected to the end portion of the front connecting beam 8-1, and the bottom of the first connecting frame 8-2 is connected with the universal wheel 10 through a bolt assembly; the rear connecting beam 12-1 is arranged on the left side and the right side of the rear cross beam 12, the second connecting frame 12-2 is vertically connected to the end portion of the rear connecting beam 12-1, and the bottom of the second connecting frame 12-2 is connected with the traveling wheel 11 through a bolt assembly.
The front connecting beam 8-1 and the rear connecting beam 12-1 on the same side are arranged in parallel, the front connecting beam 8-1 and the front cross beam 8 are arranged at a certain angle, and the rear connecting beam 12-1 and the rear cross beam 12 are arranged at a certain angle; specifically, an included angle between the front connecting beam 8-1 and the front cross beam 8 is preferably 150 degrees, and an included angle between the rear connecting beam 12-1 and the rear cross beam 12 is preferably 150 degrees.
As shown in fig. 2, the elastic tooth rotating mechanism 1 comprises a rotating driving wheel 1-4 and a rotating driven wheel 1-7 which are rotatably arranged on a frame 1-9, a transmission chain 1-8 is arranged between the rotary driving wheel 1-4 and the rotary driven wheel 1-7, a plurality of elastic tooth arms 1-2 are uniformly arranged on the transmission chain 1-8, elastic teeth 1-1 are arranged on the elastic tooth arms 1-2, one side of the central shaft of the rotary driving wheel 1-4 close to the longitudinal beam 5 is provided with a large V-shaped belt wheel 1-3, a small V belt wheel 1-6 is rotatably arranged at one end of the frame 1-9 close to the large V belt wheel 1-3, the small V belt wheels 1-6 are connected with the universal coupling 9, and V belts 1-5 are arranged between the large V belt wheels 1-3 and the small V belt wheels 1-6.
The wheel surfaces of the rotary driving wheels 1-4 and the rotary driven wheels 1-7 are provided with a plurality of rectangular bulges 1-10 at equal intervals, and the rectangular bulges 1-10 drive the transmission chains 1-8 to move.
The elastic tooth arm 1-2 is I-shaped, the bottom of the elastic tooth arm 1-2 is installed on the transmission chain 1-8, and the top of the elastic tooth arm 1-2 is provided with the elastic tooth 1-1.
The using process of the invention is as follows:
step one, mounting the rear end of the elastic tooth slewing mechanism 1 on a rear connecting beam 12-1; secondly, mounting a front connecting beam 8-1 at the front end of the elastic tooth slewing mechanism 1; step three, mounting the front connecting beam 8-1 on the front cross beam 8 through bolts; step four, mounting the first connecting frame 8-2 at the end part of the front connecting beam 8-1 through a bolt, and mounting the second connecting frame 12-2 at the end part of the rear connecting beam 12-1 through a bolt; fifthly, mounting the universal wheel 10 at the bottom of the first connecting frame 8-2 through a bolt, and mounting the traveling wheel 11 at the bottom of the second connecting frame 12-2 through a bolt; step six, installing the elastic tooth slewing mechanism 1 on the other side according to the steps so as to complete the installation of the rake; connecting the traction ring 2 to a tractor, connecting the power input shaft 4 and the power output shaft of the tractor through the spline 3, and connecting the universal coupling 9 and the small V belt wheels 1-6 together; step eight, starting the tractor, driving the rake to move forwards by the tractor, transmitting power to a power input shaft 4 by a power output shaft of the tractor, transmitting the power to a gear box 6 by the power input shaft 4, transmitting the power to a transmission shaft 7 by the gear box 6, driving the universal coupling 9 to rotate by the transmission shaft 7, driving small V belt wheels 1-6 to rotate by the universal coupling 9, driving large V belt wheels 1-3 to rotate by small V belt wheels 1-6 through V belts 1-5, driving rotary driven wheels 1-7 to rotate by the rotary driven wheels 1-4 through transmission chains 1-8 as the large V belt wheels 1-3 and the rotary driven wheels 1-4 are installed on the same rotating shaft, driving the rotary driven wheels 1-4 to rotate by the large V belt wheels 1-3, driving the rotary driven wheels 1-7 to rotate by the rotary driven wheels 1-8, and driving elastic teeth 1-1 to rotate backwards along with the transmission chains 1-8, thereby driving the forage grass to move towards the right back of the rake to form a complete swath.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a vertical rotation type rake which characterized in that: the traction machine comprises a traction machine frame, wherein the traction machine frame comprises a longitudinal beam (5), a front cross beam (8) and a rear cross beam (12), the front cross beam (8) is arranged in the middle of the longitudinal beam (5), the rear cross beam (12) is arranged at the rear end of the longitudinal beam (5), a traction ring (2) connected with a power locomotive is arranged at the front end of the longitudinal beam (5), a power transmission mechanism is arranged between the longitudinal beam (5) and the front cross beam (8), elastic tooth rotating mechanisms (1) are symmetrically connected to the left side and the right side of the traction machine frame, and the power transmission mechanism is in transmission connection with the elastic tooth rotating mechanisms (1) and drives the elastic tooth rotating mechanisms (1) to rotate; the left and right sides of front beam (8) is connected with universal wheel (10) through front tie-beam (8-1) and first link (8-2), the left and right sides of rear beam (12) is connected with walking wheel (11) through rear tie-beam (12-1) and second link (12-2), the both ends location of bullet tooth rotation mechanism (1) is connected in front tie-beam (8-1), rear tie-beam (12-1) are last.
2. The vertical rotary rake of claim 1, wherein: power transmission device including set up in gear box (6) of front beam (8) front end, the front end of gear box (6) is provided with power input shaft (4), power input shaft (4) are connected with tractor power take off through spline (3), the left and right sides of gear box (6) is provided with transmission shaft (7), transmission shaft (7) through universal joint (9) with bullet tooth rotation mechanism (1) transmission is connected.
3. The vertical rotary rake of claim 2, wherein: the two elastic tooth rotating mechanisms (1) are arranged in a V shape.
4. The vertical rotary rake of claim 1, wherein: the front connecting beam (8-1) is detachably connected to the left side and the right side of the front cross beam (8), the first connecting frame (8-2) is vertically connected to the end portion of the front connecting beam (8-1), and the bottom of the first connecting frame (8-2) is connected with the universal wheel (10) through a bolt assembly; the rear connecting beam (12-1) is arranged on the left side and the right side of the rear cross beam (12), the second connecting frame (12-2) is vertically connected to the end portion of the rear connecting beam (12-1), and the bottom of the second connecting frame (12-2) is connected with the traveling wheels (11) through bolt assemblies.
5. The vertical rotary rake of claim 4, wherein: the front connecting beam (8-1) and the rear connecting beam (12-1) on the same side are arranged in parallel, the front connecting beam (8-1) and the front cross beam (8) are arranged at a certain angle, and the rear connecting beam (12-1) and the rear cross beam (12) are arranged at a certain angle.
6. The vertical rotary rake of claim 2, wherein: the elastic tooth rotating mechanism (1) comprises a rotating driving wheel (1-4) and a rotating driven wheel (1-7) which are rotatably installed on a rack (1-9), a transmission chain (1-8) is arranged between the rotating driving wheel (1-4) and the rotating driven wheel (1-7), a plurality of elastic tooth arms (1-2) are uniformly arranged on the transmission chain (1-8), elastic teeth (1-1) are arranged on the elastic tooth arms (1-2), a large V belt wheel (1-3) is installed on one side, close to the longitudinal beam (5), of a central shaft of the rotating driving wheel (1-4), a small V belt wheel (1-6) is rotatably installed at one end, close to the large V belt wheel (1-3), of the rack (1-9), and the small V belt wheel (1-6) is connected with the universal coupling (9), a V-belt (1-5) is arranged between the large V belt wheel (1-3) and the small V belt wheel (1-6).
7. The vertical rotary rake of claim 6, wherein: the wheel surfaces of the rotary driving wheels (1-4) and the rotary driven wheels (1-7) are provided with a plurality of rectangular bulges (1-10) at equal intervals, and the rectangular bulges (1-10) drive the transmission chains (1-8) to move.
8. The vertical rotary rake of claim 6, wherein: the elastic tooth arm (1-2) is I-shaped, the bottom of the elastic tooth arm (1-2) is installed on the transmission chain (1-8), and the elastic tooth (1-1) is installed at the top of the elastic tooth arm (1-2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558690.2A CN113261430A (en) | 2021-05-21 | 2021-05-21 | Vertical rotation type rake |
| ZA2022/05057A ZA202205057B (en) | 2021-05-21 | 2022-05-09 | Vertical rotary rake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558690.2A CN113261430A (en) | 2021-05-21 | 2021-05-21 | Vertical rotation type rake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113261430A true CN113261430A (en) | 2021-08-17 |
Family
ID=77232265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110558690.2A Pending CN113261430A (en) | 2021-05-21 | 2021-05-21 | Vertical rotation type rake |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113261430A (en) |
| ZA (1) | ZA202205057B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB752691A (en) * | 1954-05-07 | 1956-07-11 | Fahr Ag Maschf | Haymaking machine |
| GB802782A (en) * | 1954-01-29 | 1958-10-08 | Lely Nv C Van Der | Improvements in or relating to devices for laterally displacing grass, hay or other material lying on the ground |
| GB1411817A (en) * | 1971-10-11 | 1975-10-29 | Lely Nv C Van Der | Implements for the displacement of crop lying upon the ground |
| US20030041584A1 (en) * | 2001-09-06 | 2003-03-06 | Kuhn S.A. | Haymaking machine |
| EP1459617A1 (en) * | 2003-03-20 | 2004-09-22 | Francisco Nueno Ciria | Device for lining-up the forage adapted to a harvest machine |
| DE102007035870A1 (en) * | 2007-07-31 | 2009-02-05 | Maschinenfabrik Bernard Krone Gmbh | Hay-making machine |
| CN202455871U (en) * | 2011-11-03 | 2012-10-03 | 中国农业机械化科学研究院呼和浩特分院 | Traction type disc rake |
| CN207284274U (en) * | 2017-02-28 | 2018-05-01 | 呼伦贝尔市瑞丰农牧业科技有限公司 | Four disc types rotate horizontally rake |
| CN109644685A (en) * | 2019-02-12 | 2019-04-19 | 甘肃农业大学 | A kind of breadth-adjustable rake |
| US20190343049A1 (en) * | 2016-06-17 | 2019-11-14 | Acres Machinery Limited | Crop Handling Apparatus |
-
2021
- 2021-05-21 CN CN202110558690.2A patent/CN113261430A/en active Pending
-
2022
- 2022-05-09 ZA ZA2022/05057A patent/ZA202205057B/en unknown
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB802782A (en) * | 1954-01-29 | 1958-10-08 | Lely Nv C Van Der | Improvements in or relating to devices for laterally displacing grass, hay or other material lying on the ground |
| GB752691A (en) * | 1954-05-07 | 1956-07-11 | Fahr Ag Maschf | Haymaking machine |
| GB1411817A (en) * | 1971-10-11 | 1975-10-29 | Lely Nv C Van Der | Implements for the displacement of crop lying upon the ground |
| US20030041584A1 (en) * | 2001-09-06 | 2003-03-06 | Kuhn S.A. | Haymaking machine |
| EP1459617A1 (en) * | 2003-03-20 | 2004-09-22 | Francisco Nueno Ciria | Device for lining-up the forage adapted to a harvest machine |
| DE102007035870A1 (en) * | 2007-07-31 | 2009-02-05 | Maschinenfabrik Bernard Krone Gmbh | Hay-making machine |
| CN202455871U (en) * | 2011-11-03 | 2012-10-03 | 中国农业机械化科学研究院呼和浩特分院 | Traction type disc rake |
| US20190343049A1 (en) * | 2016-06-17 | 2019-11-14 | Acres Machinery Limited | Crop Handling Apparatus |
| CN207284274U (en) * | 2017-02-28 | 2018-05-01 | 呼伦贝尔市瑞丰农牧业科技有限公司 | Four disc types rotate horizontally rake |
| CN109644685A (en) * | 2019-02-12 | 2019-04-19 | 甘肃农业大学 | A kind of breadth-adjustable rake |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA202205057B (en) | 2022-08-31 |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20210817 |