CN210491583U - Paddy field intertillage weeder - Google Patents
Paddy field intertillage weeder Download PDFInfo
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- CN210491583U CN210491583U CN201921081269.1U CN201921081269U CN210491583U CN 210491583 U CN210491583 U CN 210491583U CN 201921081269 U CN201921081269 U CN 201921081269U CN 210491583 U CN210491583 U CN 210491583U
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- 238000009333 weeding Methods 0.000 claims abstract description 194
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 abstract description 16
- 206010063385 Intellectualisation Diseases 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 10
- 239000002689 soil Substances 0.000 description 8
- 238000004804 winding Methods 0.000 description 5
- 244000038559 crop plants Species 0.000 description 4
- 238000012271 agricultural production Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 238000004519 manufacturing process 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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Abstract
The utility model discloses a paddy field intertillage weeder, including frame, running gear, limit for depth device, weeding device and weeding degree of depth regulation controlling means, the end of frame is equipped with the gasoline engine, the below at frame middle part is equipped with the pneumatic cylinder, pneumatic cylinder and weeding device fixed connection, the top of gasoline engine is equipped with the steering wheel, one side of steering wheel is equipped with walking adjustment handle, limit for depth device is including preventing twining sword and limit for depth board, limit for depth device establishes the below at the weeding device front end, the below at the frame front end is established to the weeding device, the scraper blade is equipped with to the weeding device rear, weeding degree of depth regulation controlling means establishes the inside at the weeding device. The paddy field intertillage weeding machine can remove weeds between plants and between rows of a paddy field simultaneously, has stable operation performance, realizes mechanization and intellectualization of paddy field weeding, reduces environmental pollution, improves operation efficiency and reduces labor intensity.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, especially, relate to a paddy field intertillage weeder.
Background
Farmland weeds have been one of the major disasters in agricultural production. Weeds compete with crops for resources such as water, nutrients, space, sunlight and the like, and have the advantages that the crops do not have, so that the survival and growth of the crops are seriously damaged, the crops are seriously reduced in yield, the harm caused in agricultural production is large and wide, and the crop yield loss caused by the weeds in China is nearly billions of kilograms.
Mechanical weeding is a key production technology in agricultural sustainable development. The weeding machine can regularly weed by utilizing various measures such as plowing, raking, intertillage soil loosening and the like, loosen soil in seedling zones, reduce water evaporation, and ensure complete grass, full seedlings, clean land and small soil. Compared with artificial weeding, mechanical weeding is more time-saving and labor-saving, has low cost, is more environment-friendly than chemical weeding, and becomes an important technical means for controlling the growth of weeds in agricultural production.
In order to realize the mechanized weeding in paddy field, the utility model discloses a paddy field intertillage weeder is the power supply of weeder complete machine by the gasoline engine, and running gear is by gasoline engine transmission power, and the walking of drive intertillage weeder to for weeding device provides power, turn to about steering wheel control running gear, weeding operation between the weeding device row, trunk, limit dark device and the degree of depth adjusting device restriction of weeding and the degree of depth of burying of adjusting weeding device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a paddy field intertillage weeder to solve artifical weeding work inefficiency, intensity of labour is big, the problem of chemical weeding polluted environment.
In order to achieve the above object, the utility model provides a following technical scheme: a paddy field intertillage weeding machine comprises a frame, a walking device, a depth limiting device, a weeding device and a weeding depth adjusting and controlling device, wherein a gasoline engine is arranged at the tail end of the frame, a hydraulic cylinder is arranged below the middle part of the frame, a power supply is arranged below the front end of the frame, the hydraulic cylinder is fixedly connected with the weeding device, a seat is arranged on one side of the gasoline engine, a steering wheel is arranged above the gasoline engine, a walking adjusting handle is arranged on the right side of the steering wheel, a gearbox is arranged below the walking adjusting handle, the walking device comprises a walking rear wheel and a walking front wheel, the depth limiting device comprises an anti-winding cutter and a depth limiting plate, the depth limiting device is arranged below the front end of the weeding device, the weeding device is arranged below the front end of the frame, a scraper is arranged behind the weeding device, and walking supporting wheels are arranged on two sides of the weeding, the walking supporting wheel comprises a supporting wheel, a supporting seat and a supporting rod, and the weeding depth adjusting and controlling device is arranged in the weeding device.
Preferably, a walking rear wheel transmission shaft of the walking device is meshed with an output shaft of the gasoline engine, and the steering wheel is meshed with a steering shaft of the walking device.
Preferably, the weeding device comprises an inter-row weeding device and an inter-plant weeding device, the inter-row weeding device is connected with the square shaft in an engaged mode, and the inter-plant weeding device is connected with the round shaft in an engaged mode.
Preferably, the two depth limiting devices are arranged, and the two depth limiting devices are respectively arranged on two sides of the bottom of the weeding device.
Preferably, weeding degree of depth adjusting control device is including adjusting pole, regulating plate, adjustment handle, calibrated scale, extension board one, extension board two, extension board three and curb plate, and adjustment handle is connected to regulating plate one end, and the other end links to each other with adjusting the pole, adjusts the pole and links to each other with extension board one, and extension board one both ends link to each other with extension board two and extension board three respectively, and the centre links to each other with adjusting the pole, and the curb plate is connected to extension board three, and the curb plate links to each other with.
Preferably, the interpass weeding device uses the weeding wheel as the weeding unit, the weeding wheel comprises weeding rake teeth, a weeding wheel disc, a fixed seat and a sleeve, the weeding rake teeth are circumferentially staggered along the weeding wheel and are arranged on the fixed seat, the fixed seat is fixed on the weeding wheel disc, and the sleeve penetrates through the weeding wheel disc and is fixed on the side plates on two sides.
Preferably, the inter-plant weeding device takes weeding teeth as weeding units and comprises elastic teeth, a fixing plate, a rotating wheel and a rotor, wherein the rotor and the elastic teeth are arranged on the fixing plate, the rotating wheel is fixed on a transmission shaft, and a spiral chute is formed in the middle of the rotating wheel.
Preferably, the walking wheels of the walking device are narrow rubber wheels with anti-skidding teeth, the diameter of the walking front wheel is 680mm, the width of the walking front wheel is 46mm, the diameter of the walking rear wheel is 900mm, and the width of the walking rear wheel is 125 mm.
The utility model discloses a technological effect and advantage: 1. the weeding device is provided with inter-row and inter-plant weeding systems, and the weeding machine can remove weeds between rows and between plants of the paddy field simultaneously during working, so that the working efficiency is improved, and the labor force is saved;
2. the inter-row weeding unit of the weeding device is a weeding wheel, and when the weeding device works, the weeding harrow teeth rotate around the weeding wheel disc to bring paddy field weeds out of the water surface or press the weeds into soil, so that the paddy field soil is stirred while the weeds in the paddy field are removed, and the intertillage weeding operation is synchronously completed;
3. the walking wheel of the walking device adopts the narrow wheel with the anti-skidding teeth, so that the phenomena of crushing seedling roots and skidding are reduced when the paddy field walks.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a schematic view of the weeding device of the present invention;
FIG. 6 is a schematic view of the inter-row weeding unit of the weeding device of the present invention;
FIG. 7 is a front view of the inter-plant weeding unit of the weeding device of the present invention;
FIG. 8 is a schematic view of the inter-plant weeding unit of the weeding device of the present invention;
FIG. 9 is a detailed view of the inter-plant weeding units of the weeding device of the present invention;
FIG. 10 is a schematic view of the traveling supporting wheel of the weeding device of the present invention;
fig. 11 is a side view of the inter-row weeding device of the present invention;
fig. 12 is a schematic view of the weeding depth adjusting and controlling device of the present invention;
fig. 13 is a schematic view of the depth limiter of the present invention.
In the figure: 1. a frame; 2. a traveling device; 3. a depth stop device; 4. a weeding device; 5. a weeding depth adjusting and controlling device; 6. a hydraulic cylinder; 7. a power source; 21. a seat; 22. a walking adjusting handle; 23. a steering wheel; 24. a rear traveling wheel; 25. a traveling front wheel; 26. a gasoline engine; 31. a depth stop plate; 32. an anti-winding knife; 401. an inter-row weeding device; 402. an inter-plant weeding device; 41. a weeding wheel; 42. a traveling support wheel; 43. a squeegee; 44. weeding teeth; 45. a circular shaft; 46. a square shaft; 47. a gearbox; 411. weeding rake teeth; 412. a fixed seat; 413. a sleeve; 414. weeding a wheel disc; 421. a support wheel; 422. a supporting seat; 423. a support bar; 441. a fixing plate; 442. a rotor; 443. a rotating wheel; 444. elastic teeth; 51. adjusting a rod; 52. an adjusting plate; 53. an adjusting handle; 54. a dial scale; 55. a first support plate; 56. a support plate II; 57. a support plate III; 58. side plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a paddy field intertillage weeding machine as shown in the figure, which comprises a frame 1, a walking device 2, a depth limiting device 3, a weeding device 4 and a weeding depth adjusting and controlling device 5, wherein the tail end of the frame 1 is provided with a gasoline engine 26, a hydraulic cylinder 6 is arranged below the middle part of the frame 1, a power supply 7 is arranged below the front end of the frame 1, the hydraulic cylinder 6 is fixedly connected with the weeding device 4, one side of the gasoline engine 26 is provided with a seat 21, a steering wheel 23 is arranged above the gasoline engine 26, a walking adjusting handle 22 is arranged on the right side of the steering wheel 23, a gearbox 47 is arranged below the walking adjusting handle 22, the walking device 2 comprises a walking rear wheel 24 and a walking front wheel 25, the depth limiting device 3 comprises an anti-winding knife 32 and a depth limiting plate 31, the depth limiting device 3 is arranged below the front end of the weeding device 4, the weeding device 4 is arranged below the front end of the frame 1, the rear of the weeding device 4 is provided with a scraper 43, the two sides of the weeding device 4 are provided with walking supporting wheels 42, each walking supporting wheel 42 comprises a supporting wheel 421, a supporting seat 422 and a supporting rod 423, and the weeding depth adjusting and controlling device 5 is arranged in the weeding device 4. In addition, the transmission shaft of the traveling rear wheel 24 of the traveling device 2 is meshed with the output shaft of the gasoline engine 26, the steering wheel 23 is meshed with the steering shaft of the traveling device 2, the gasoline engine 26 is a power source of the whole weeding machine, the traveling device 2 transmits power through the gasoline engine 26 to drive the intertillage weeding machine to travel and provide power for the weeding device 4, and the steering wheel 23 controls the left-right steering of the traveling device 2. The weeding device 4 comprises an inter-row weeding device 401 and an inter-plant weeding device 402, the inter-row weeding device 401 is meshed with the square shaft 46, the inter-plant weeding device 402 is meshed with the round shaft 45, and the inter-row weeding and the inter-plant weeding can be carried out simultaneously. The depth limiting devices 3 are two in number, the two depth limiting devices 3 are respectively arranged on two sides of the bottom of the weeding device 4, and the weeding penetration depth of the weeding device 4 can be adjusted by adjusting the depth limiting devices 3. The weeding depth adjusting and controlling device 5 comprises an adjusting rod 51, an adjusting plate 52, an adjusting handle 53, a dial 54, a first support plate 55, a second support plate 56, a third support plate 57 and a side plate 58, wherein one end of the adjusting plate 52 is connected with the adjusting handle 53, the other end of the adjusting plate is connected with the adjusting rod 51, the adjusting rod 51 is connected with the first support plate 55, two ends of the first support plate 55 are respectively connected with the second support plate 56 and the third support plate 57, the middle of the first support plate 55 is connected with the adjusting rod 51, the third support plate 57 is connected with the side plate 58, the side plate 58 is connected with the weeding device 4, the position of the adjusting handle 53 on the dial 54 is changed, the adjusting plate 52 is driven to rotate, the adjusting rod 51 is driven to lift up or pull down, the first support plate 55 rotates around the adjusting rod 51, the. The row weeding device 401 takes the weeding wheel 41 as a weeding unit, the weeding wheel 41 comprises weeding rake teeth 411, a weeding wheel disc 414, a fixed seat 412 and a sleeve 413, the weeding rake teeth 411 are arranged along the circumferential direction of the weeding wheel 41 in a staggered mode, the weeding rake teeth 411 are installed on the fixed seat 412, the fixed seat 412 is fixed on the weeding wheel disc 414, the sleeve 413 penetrates through the weeding wheel disc 414 and is fixed on the side plates 58 on two sides, and the sleeve 413 transmits the power of the transmission shaft to the weeding wheel 41 to complete the intertillage weeding rotary operation. The inter-plant weeding device 402 takes the weeding teeth 44 as weeding units and comprises elastic teeth 444, a fixing plate 441, a rotating wheel 443 and a rotor 442, wherein the rotor 442 and the elastic teeth 444 are mounted on the fixing plate 441, the rotating wheel 443 is fixed on a transmission shaft, a spiral chute is formed in the middle of the rotating wheel 443, the rotor 442 rotates in the spiral chute relative to the rotating wheel 443 to drive the elastic teeth 444 to swing left and right, the maximum swing amplitude of the elastic teeth 444 is 14mm, the elastic teeth 444 swing left and right among the crop plants during operation, and the roots of weeds are snapped or scratched through the left and right reciprocating motion of the elastic teeth 444 among the crop plants, so that inter-plant weeding operation is completed. The walking wheels of the walking device 2 are narrow rubber wheels with anti-skidding teeth, the diameter of the walking front wheel 25 is 680mm, the width of the walking front wheel is 46mm, the diameter of the walking rear wheel 24 is 900mm, the width of the walking rear wheel is 125mm, and the walking device has small groove marks and can not hurt seedlings and effectively prevent skidding when walking in the field. Further, the depth limiting device 3 comprises an anti-winding knife 32 and a depth limiting plate 31, and effectively prevents the machine from penetrating too deep into the soil and simultaneously prevents weeds from winding. A scraper 43 is arranged at the rear of the weeding device 4, and the paddy field is leveled after the weeding wheel intertillage weeding. The hydraulic cylinder 6 is fixedly connected with the weeding device 4, and the relative position of the weeding device 4 can be controlled by changing the telescopic amount of the hydraulic cylinder 6. The walking adjusting handle 22 is arranged below the steering wheel 23, and the advancing mode of the cultivator weeding machine can be changed by changing the position of the walking adjusting handle 22, so that the cultivator weeding machine can advance or retreat.
The working principle is as follows: when the paddy field intertillage weeding machine works, the gasoline engine 26 is a power source of the whole machine of the weeding machine, and the walking device 2 transmits power by the gasoline engine 26 to drive the intertillage weeding machine to walk. The gasoline engine 26 transmits power to the transmission case 47 through the rear wheel transmission shaft and then to the traveling rear wheel 24, thereby driving the traveling rear wheel 24 to travel. The gasoline engine 26 transmits power to the gear box through the front wheel transmission shaft, and then transmits the power to the traveling front wheel 25, so as to drive the traveling front wheel 25 to travel. The travel adjusting handle 22 is operated to realize the forward or backward movement of the weeding machine and change the speed. The steering wheel 23 is turned to change the advancing direction of the traveling front wheel 25, thereby completing the steering of the cultivator-herbicide.
The frame 1 and the weeding device 4 are connected through a hydraulic cylinder 6. When the weeding machine travels on a flat ground, the weeding device 4 is lifted by the hydraulic cylinder 6 and is away from the ground, and weeding operation is not performed. When the weeding machine enters the field operation, the telescopic amount of the hydraulic cylinder 6 is adjusted, and the weeding device 4 is placed at a proper position to perform weeding operation. The gasoline engine 26 transmits power to a transmission case 47 in the weeding device 4 through a weeding transmission shaft, and the transmission case 47 distributes the power to the row weeding devices 401 through a square shaft 46 and to the 402 line weeding devices through a round shaft 45. The row weeding device 401 is connected to the square shaft 46 through a sleeve 413. The square shaft 46 drives the sleeve 413 to rotate, power is transmitted to the weeding wheel 41, the weeding wheel 41 is driven to rotate, and inter-row weeding operation of the intertillage weeding machine is achieved. The inter-plant weeding device is connected with the round shaft 45 through a rotating wheel 443. The rotor 442 rotates in a sliding groove on the runner 443, the rotor 442 and the elastic teeth 444 are fixed on the fixing plate 441, the round shaft 45 drives the runner 443 to rotate, so that the elastic teeth 444 are driven to swing left and right, the maximum swing amplitude of the elastic teeth 444 is 14mm, the elastic teeth 444 swing left and right among crop plants during operation, the elastic teeth 444 reciprocate left and right among the crop plants, the roots of weeds are snapped or scratched, and weeding operation among the plants is completed.
A scraper 43 is arranged behind the weeding device 4, and after the weeding operation of the weeding device 4, the disturbed paddy field soil is leveled.
The weeding depth adjusting and controlling device 5 is arranged in the weeding device 4, one end of the adjusting plate 52 is connected with the adjusting handle 53, the other end of the adjusting plate 52 is connected with the adjusting rod 51, the adjusting rod 51 is connected with the first support plate 55, two ends of the first support plate 55 are respectively connected with the second support plate 56 and the third support plate 57, the middle of the first support plate 55 is connected with the adjusting rod 51, the third support plate 57 is connected with the side plate 58, the side plate 58 is connected with the weeding device 4, the position of the adjusting handle 53 on the dial 54 is changed, the adjusting plate 52 is driven to rotate, lifting or pulling-down of the adjusting rod 51 is caused, the first support plate 55 rotates around the adjusting rod 51, the third support plate 57 is driven to move up and down, the.
After the weeding operation is finished, the relative position of the weeding device 4 can be changed by controlling the expansion and contraction amount of the hydraulic cylinder 6 without the need of the weeding device 4 to enter the soil
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a paddy field intertillage weeder, includes frame (1), running gear (2), limit for depth device (3), weeding device (4) and weeding degree of depth adjusting control device (5), its characterized in that: the end of frame (1) is equipped with gasoline engine (26), the below at frame (1) middle part is equipped with pneumatic cylinder (6), the below of frame (1) front end is equipped with power (7), pneumatic cylinder (6) and weeding device (4) fixed connection, one side of gasoline engine (26) is equipped with seat (21), the top of gasoline engine (26) is equipped with steering wheel (23), the right side of steering wheel (23) is equipped with walking adjustment handle (22), the below of walking adjustment handle (22) is equipped with gearbox (47), running gear (2) are including walking rear wheel (24) and walking front wheel (25), depth stop device (3) are including preventing twining sword (32) and depth stop board (31), the below at weeding device (4) front end is established in depth stop device (3), the below at frame (1) front end is established in weeding device (4), scraper blade (43) are equipped with at weeding device (4) rear, the both sides of weeding device (4) all are equipped with walking supporting wheel (42), walking supporting wheel (42) are including supporting wheel (421), supporting seat (422) and bracing piece (423), the inside at weeding device (4) is established in weeding degree of depth adjusting and control device (5).
2. A paddy field cultivator as claimed in claim 1, wherein: a transmission shaft of a traveling rear wheel (24) of the traveling device (2) is meshed with an output shaft of the gasoline engine (26), and the steering wheel (23) is meshed with a steering shaft of the traveling device (2).
3. A paddy field cultivator as claimed in claim 1, wherein: the weeding device (4) comprises an inter-row weeding device (401) and an inter-plant weeding device (402), the inter-row weeding device (401) is meshed with the square shaft (46), and the inter-plant weeding device (402) is meshed with the round shaft (45).
4. A paddy field cultivator as claimed in claim 1, wherein: the two depth limiting devices (3) are arranged, and the two depth limiting devices (3) are respectively arranged on two sides of the bottom of the weeding device (4).
5. A paddy field cultivator as claimed in claim 1, wherein: weeding degree of depth adjusting control device (5) are including adjusting pole (51), regulating plate (52), adjustment handle (53), calibrated scale (54), extension board (55), extension board two (56), extension board three (57) and curb plate (58), adjustment handle (53) is connected to regulating plate (52) one end, the other end links to each other with adjusting pole (51), it links to each other to adjust pole (51) and extension board one (55), extension board one (55) both ends link to each other with extension board two (56) and extension board three (57) respectively, the centre links to each other with adjusting pole (51), curb plate (58) are connected to extension board three (57), curb plate (58) link to each other with weeding device (4).
6. A paddy field cultivator as claimed in claim 3, wherein: the row weeding device (401) takes a weeding wheel (41) as a weeding unit, the weeding wheel (41) comprises weeding rake teeth (411), a weeding wheel disc (414), a fixed seat (412) and a sleeve (413), the weeding rake teeth (411) are circumferentially staggered along the weeding wheel (41) and the weeding rake teeth (411) are installed on the fixed seat (412), the fixed seat (412) is fixed on the weeding wheel disc (414), and the sleeve (413) penetrates through the weeding wheel disc (414) and is fixed on side plates (58) on two sides.
7. A paddy field cultivator as claimed in claim 3, wherein: the inter-plant weeding device (402) takes weeding teeth (44) as weeding units and comprises elastic teeth (444), a fixing plate (441), a rotating wheel (443) and a rotor (442), wherein the rotor (442) and the elastic teeth (444) are installed on the fixing plate (441), the rotating wheel (443) is fixed on a transmission shaft, and a spiral chute is formed in the middle of the rotating wheel (443).
8. A paddy field cultivator as claimed in claim 1, wherein: the walking wheels of the walking device (2) are narrow rubber wheels with anti-skidding teeth, the diameter of the walking front wheel (25) is 680mm, the width of the walking front wheel is 46mm, the diameter of the walking rear wheel (24) is 900mm, and the width of the walking rear wheel is 125 mm.
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CN201921081269.1U CN210491583U (en) | 2019-07-11 | 2019-07-11 | Paddy field intertillage weeder |
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CN201921081269.1U CN210491583U (en) | 2019-07-11 | 2019-07-11 | Paddy field intertillage weeder |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110291857A (en) * | 2019-07-11 | 2019-10-01 | 安徽农业大学 | A kind of paddy cultivator |
CN112262628A (en) * | 2020-09-25 | 2021-01-26 | 扬州大学 | Rice and wheat are planted with operation device that goes to line |
-
2019
- 2019-07-11 CN CN201921081269.1U patent/CN210491583U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110291857A (en) * | 2019-07-11 | 2019-10-01 | 安徽农业大学 | A kind of paddy cultivator |
CN110291857B (en) * | 2019-07-11 | 2024-04-16 | 安徽农业大学 | Paddy field cultivation weeder |
CN112262628A (en) * | 2020-09-25 | 2021-01-26 | 扬州大学 | Rice and wheat are planted with operation device that goes to line |
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