CN218104088U - Rotary harrow for paddy field - Google Patents
Rotary harrow for paddy field Download PDFInfo
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- CN218104088U CN218104088U CN202222570433.3U CN202222570433U CN218104088U CN 218104088 U CN218104088 U CN 218104088U CN 202222570433 U CN202222570433 U CN 202222570433U CN 218104088 U CN218104088 U CN 218104088U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
A paddy field rotary harrow relates to a device for rotating and harrowing paddy fields. The rotary tillage and harrowing machine is designed for mainly solving the problem that two operations are needed for rotary tillage and harrowing at present. The front and rear rotary cultivators are mounted at the front and rear ends of the four-wheel-drive agricultural vehicle, and a lifting hydraulic cylinder and a chain are connected between the rotary cultivator and the vehicle body; a transmission gear of the front transverse transmission shaft is meshed with a gear of the front rotary cultivator, a bevel gear of the longitudinal transmission shaft is meshed with a bevel gear of the transverse transmission shaft, a second chain wheel on the longitudinal transmission shaft is connected with a chain wheel on an output shaft of the engine through a chain, the longitudinal long shaft is connected with the longitudinal transmission shaft through the chain wheel and the chain, the longitudinal long shaft is connected with a gear box through the chain wheel and the chain, an output shaft of the gear box is connected with the rear transverse transmission shaft, and a gear on the rear transverse transmission shaft is meshed with a gear of the rear rotary cultivator. The second steering mechanism is arranged on the vehicle body behind the seat, a connecting rod is arranged between the two rear wheels, the steering hydraulic cylinder is fixed on the vehicle body, and the cylinder rod is connected to the hub arm. The advantage is that the soil can be rotated and harrowed in one operation.
Description
The technical field is as follows:
the utility model relates to a device for rotating and raking paddy fields after soaking water.
Background art:
before planting, paddy rice needs to be subjected to rotary tillage (plowing) and harrowing. At present, a tractor is used for dragging a rotary cultivator to rotate the field in a paddy field without soaking water, and a tractor is used for dragging a paddy field beater to harrow the field in the paddy field after soaking water. The two operations take labor and effort, and increase the land cost.
In addition, when the rice is transferred from one rice pool to another, the wheels crush ridges and need manual repair. The tractor for drawing the rotary cultivator and the paddy field beater is inconvenient to turn around due to the limitation of the shape and the area of the rice pool.
The invention content is as follows:
the utility model aims to solve the technical problem that a paddy field harrow machine is revolved to paddy field soaking water back, and one-time operation just can accomplish soon ground and harrow ground, need not artifical restoration and press bad paddy field ridge when transferring the stalk from a rice pond to another rice pond.
The above object is achieved by: the four-wheel-drive agricultural vehicle is selected, rotary cultivators are additionally arranged in front of and behind the four-wheel-drive agricultural vehicle, a bucket mechanism of a hook machine is additionally arranged behind the four-wheel-drive agricultural vehicle, a second direction machine for controlling the steering of a rear wheel is additionally arranged behind a seat of the four-wheel-drive agricultural vehicle, three front-rear-arranged harrow land supporting plate mechanisms with the same structure are arranged on the four-wheel-drive agricultural vehicle, the front harrow land supporting plate mechanism is arranged in front of the front wheel, the middle harrow land supporting plate mechanism is arranged between the front wheel and the rear wheel, and the rear harrow land supporting plate mechanism is arranged behind the rear wheel.
The concrete structure is as follows: the four-wheel drive agricultural vehicle comprises a four-wheel drive agricultural vehicle, wherein frames of a front rotary cultivator and a rear rotary cultivator are respectively arranged at the front end and the rear end of a vehicle body of the four-wheel drive agricultural vehicle through shafts; the cylinder body of the lifting hydraulic cylinder of the rear rotary cultivator is connected to the hydraulic cylinder seat at the rear end of the vehicle body, the cylinder rod of the lifting hydraulic cylinder of the rear rotary cultivator is connected to the hydraulic cylinder seat of the rear rotary cultivator, and a second chain is connected between the hydraulic cylinder seat at the rear end of the vehicle body and the hydraulic cylinder seat of the rear rotary cultivator; the maximum stroke of a cylinder rod of the lifting hydraulic cylinder of the rotary cultivator can be controlled through the chain. Oil pipes of the front and rear rotary cultivator lifting hydraulic cylinders are connected with a hydraulic pump of an engine of the four-wheel-drive agricultural vehicle.
The front transverse transmission shaft is arranged on a vehicle body behind the front rotary cultivator through a bearing, a transmission gear is fixed in the middle of the front transverse transmission shaft and is meshed with a power input gear of a clutch of the front rotary cultivator, a first bevel gear is fixed at the right end of the front transverse transmission shaft, the longitudinal transmission shaft is arranged on the vehicle body behind the front transverse transmission shaft through a bearing, a second bevel gear is fixed at the front end of the longitudinal transmission shaft and is meshed with the first bevel gear at the right end of the transverse transmission shaft, a first chain wheel is fixed in the middle of the longitudinal transmission shaft, a second chain wheel is fixed at the rear end of the longitudinal transmission shaft, the second chain wheel is connected with a chain wheel on an output shaft at the front end of an engine of the four-wheel agricultural vehicle through a chain, and a longitudinal long shaft is arranged on the vehicle body on the left side of the longitudinal transmission shaft through a bearing; the front part and the rear part of the longitudinal long shaft are respectively fixed with a third chain wheel, the third chain wheel at the front part of the longitudinal long shaft is connected with a first chain wheel at the middle part of a longitudinal transmission shaft through a chain, the rear part of the vehicle body is fixed with a gear box, the third chain wheel at the rear part of the longitudinal long shaft is connected with a chain wheel on an input shaft of the gear box through a chain, an output shaft of the gear box is connected with a rear transverse transmission shaft, the rear transverse transmission shaft is arranged on the vehicle body in front of the rear rotary cultivator through a bearing, a gear is arranged on the rear transverse transmission shaft, and the gear on the rear transverse transmission shaft is meshed with a power input gear on a clutch of the rear rotary cultivator. The engine drives the longitudinal transmission shaft to rotate through the chain wheel, the longitudinal transmission shaft rotates to drive the longitudinal long shaft and the front transverse transmission shaft to work, and then the front rotary cultivator and the rear rotary cultivator are driven to work.
The main shaft of the rotary cultivator is arranged on a frame of the rotary cultivator through a bearing, a plurality of reamers are fixed on the main shaft of the rotary cultivator, a chain wheel is fixed on the main shaft of the rotary cultivator, and the chain wheel on the main shaft of the rotary cultivator is connected with a power output chain wheel of a clutch of the rotary cultivator through a chain.
The rear part of a seat of the four-wheel-drive agricultural vehicle is additionally provided with a second steering gear for controlling the steering of the rear wheel, the second steering gear is connected with an engine hydraulic pump of the four-wheel-drive agricultural vehicle through an oil pipe, a connecting rod is connected between two hub arms of the rear wheel of the four-wheel-drive agricultural vehicle, a cylinder body of a steering hydraulic cylinder is fixed on a vehicle body, a cylinder rod of the steering hydraulic cylinder is connected to the hub arm of one rear wheel through a support arm, and the oil pipe of the steering hydraulic cylinder is connected with the engine hydraulic pump of the four-wheel-drive agricultural vehicle.
The raking support plate mechanism comprises guide grooves which are vertically fixed on the left side and the right side of the vehicle body, a support plate lifting hydraulic cylinder is installed in each guide groove, a cylinder rod of each support plate lifting hydraulic cylinder is connected to the top of each guide groove through a pin shaft, the cylinder body of each support plate lifting hydraulic cylinder is in sliding contact with the guide grooves, a connecting plate is fixed to the bottom of the cylinder body of each support plate lifting hydraulic cylinder, and the left end and the right end of each full-length support plate are connected to the connecting plates at the bottoms of the two support plate lifting hydraulic cylinders on the two sides of the vehicle body through two third chains respectively. When the four-wheel drive agricultural vehicle travels, the supporting plate can float up and down, and when the wheels sink, the chain can ensure that the supporting plate does not sink along with the vehicle body. The supporting plate lifting hydraulic cylinder of the harrowing supporting plate mechanism is connected with a transmission hydraulic pump of the four-wheel drive agricultural vehicle through an oil pipe.
The bucket mechanism comprises a base, the base is connected to the rear portion of the vehicle body through a shaft, a cylinder body of a bucket mechanism steering oil cylinder is fixed to the vehicle body, a cylinder rod of the bucket mechanism steering oil cylinder is connected to the base, and the bucket mechanism steering oil cylinder can drive the base to rotate. The lower end of the first support arm is connected to the base through a shaft, the upper end of the first support arm is connected to the rear end of the second support arm through a shaft, the bucket is connected to the front end of the second support arm through a shaft, the cylinder body of the first hydraulic cylinder is fixed to the base, the cylinder rod of the first hydraulic cylinder is connected to the middle of the first support arm through a shaft, the cylinder body of the second hydraulic cylinder is hinged to the first support arm, the cylinder rod of the second hydraulic cylinder is hinged to the second support arm, the cylinder body of the third hydraulic cylinder is hinged to the second support arm, the cylinder rod of the third hydraulic cylinder is hinged to the bucket, the first hydraulic cylinder works to drive the first support arm to lift up or fall down, the second hydraulic cylinder works to drive the second support arm to rotate, and the third hydraulic cylinder works to drive the bucket to rotate. And all hydraulic cylinders of the bucket mechanism are connected with a hydraulic pump of a gearbox of the four-wheel drive agricultural vehicle through oil pipes.
The utility model has the advantages that: after soaking water in the paddy field, the land rotating and harrowing can be completed by one-time operation. When the stalks are transferred from one rice pool to another rice pool, the crushed ridges can be repaired by the bucket mechanism, so that time and labor are saved. Because each supporting plate is connected with the supporting plate lifting hydraulic cylinder through the chain, when the wheel sinks, the supporting plates can float up and down, and the chain can ensure that the supporting plates do not sink along with the vehicle body. Because the second steering gear is additionally arranged, the rear wheel is controlled to steer through the second steering gear, and backward walking can be realized without turning around.
Description of the drawings:
fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic front view of the present invention without the bucket mechanism;
fig. 4 isbase:Sub>A viewbase:Sub>A-base:Sub>A of fig. 1.
The specific implementation mode is as follows:
the present invention will be further described with reference to fig. 1-4;
the four-wheel-drive agricultural vehicle is selected, rotary cultivators are additionally arranged in front of and behind the four-wheel-drive agricultural vehicle, a bucket mechanism of a hook machine is additionally arranged behind the four-wheel-drive agricultural vehicle, a second direction machine for controlling the steering of a rear wheel is additionally arranged behind a seat of the four-wheel-drive agricultural vehicle, three front-rear-arranged harrow land supporting plate mechanisms with the same structure are arranged on the four-wheel-drive agricultural vehicle, the front harrow land supporting plate mechanism is arranged in front of the front wheel, the middle harrow land supporting plate mechanism is arranged between the front wheel and the rear wheel, and the rear harrow land supporting plate mechanism is arranged behind the rear wheel.
The concrete structure is as follows: the four-wheel-drive agricultural vehicle comprises a four-wheel-drive agricultural vehicle 1, wherein frames of a front rotary cultivator 2 and a rear rotary cultivator 3 are respectively arranged at the front end and the rear end of a vehicle body of the four-wheel-drive agricultural vehicle through shafts, a cylinder body of a lifting hydraulic cylinder 4 of the front rotary cultivator is connected to a hydraulic cylinder seat at the front end of the vehicle body, a cylinder rod of the lifting hydraulic cylinder of the front rotary cultivator is connected to a hydraulic cylinder seat on the front rotary cultivator, and a first chain 5 is connected between the hydraulic cylinder seat at the front end of the vehicle body and the hydraulic cylinder seat of the front rotary cultivator; the cylinder body of the rear rotary cultivator lifting hydraulic cylinder 6 is connected to the hydraulic cylinder seat at the rear end of the vehicle body, the cylinder rod of the rear rotary cultivator lifting hydraulic cylinder is connected to the hydraulic cylinder seat of the rear rotary cultivator, and a second chain 7 is connected between the hydraulic cylinder seat at the rear end of the vehicle body and the hydraulic cylinder seat of the rear rotary cultivator; the maximum stroke of a cylinder rod of the lifting hydraulic cylinder of the rotary cultivator can be controlled through the chain. Oil pipes of the front and rear rotary cultivator lifting hydraulic cylinders are connected with a hydraulic pump of an engine of the four-wheel-drive agricultural vehicle.
The front transverse transmission shaft 8 is arranged on a vehicle body behind the front rotary cultivator through a bearing, a transmission gear 9 is fixed in the middle of the front transverse transmission shaft, the transmission gear is meshed with a power input gear of a clutch of the front rotary cultivator, a first bevel gear 10 is fixed at the right end of the front transverse transmission shaft, a longitudinal transmission shaft 11 is arranged on the vehicle body behind the front transverse transmission shaft through a bearing, a second bevel gear 12 is fixed at the front end of the longitudinal transmission shaft, the second bevel gear at the front end of the longitudinal transmission shaft is meshed with the first bevel gear at the right end of the transverse transmission shaft, a first chain wheel 13 is fixed in the middle of the longitudinal transmission shaft, a second chain wheel 14 is fixed at the rear end of the longitudinal transmission shaft, the second chain wheel is connected with a chain wheel on an output shaft at the front end of an engine of a four-wheel-drive agricultural vehicle through a chain, and a longitudinal long shaft 15 is arranged on the vehicle body on the left side of the longitudinal transmission shaft through a bearing; the front part and the rear part of the longitudinal long shaft are respectively fixed with a third chain wheel 16, the third chain wheel at the front part of the longitudinal long shaft is connected with a first chain wheel 13 at the middle part of a longitudinal transmission shaft through a chain, the rear part of the vehicle body is fixed with a gear box 17, the third chain wheel at the rear part of the longitudinal long shaft is connected with a chain wheel on an input shaft of the gear box through a chain, an output shaft of the gear box is connected with a rear transverse transmission shaft 35, the rear transverse transmission shaft is arranged on the vehicle body in front of the rear rotary cultivator through a bearing, a gear is arranged on the rear transverse transmission shaft, and the gear on the rear transverse transmission shaft is meshed with a power input gear on a clutch of the rear rotary cultivator. The engine drives the longitudinal transmission shaft to rotate through the chain wheel, the longitudinal transmission shaft rotates to drive the longitudinal long shaft and the front transverse transmission shaft to work, and then the front rotary cultivator and the rear rotary cultivator are driven to work.
The main shaft of the rotary cultivator is arranged on a frame of the rotary cultivator through a bearing, a plurality of reamers are fixed on the main shaft of the rotary cultivator, a chain wheel is fixed on the main shaft of the rotary cultivator, and the chain wheel on the main shaft of the rotary cultivator is connected with a power output chain wheel of a clutch of the rotary cultivator through a chain.
A second steering gear 18 for controlling the steering of the rear wheels is additionally arranged behind a seat of the four-wheel-drive agricultural vehicle and is connected with an engine hydraulic pump of the four-wheel-drive agricultural vehicle through an oil pipe, a connecting rod 19 is connected between hub arms of two rear wheels of the four-wheel-drive agricultural vehicle, a cylinder body of a steering hydraulic cylinder 20 is fixed on a vehicle body, a cylinder rod of the steering hydraulic cylinder is connected to the hub arm of one rear wheel through a support arm 21, and the oil pipe of the steering hydraulic cylinder is connected with the engine hydraulic pump of the four-wheel-drive agricultural vehicle.
The harrowing support plate mechanism comprises guide grooves 22 which are vertically fixed on the left side and the right side of a vehicle body, a support plate lifting hydraulic cylinder 23 is installed in each guide groove, a cylinder rod of each support plate lifting hydraulic cylinder is connected to the top of each guide groove through a pin shaft, the cylinder body of each support plate lifting hydraulic cylinder is in sliding contact with the guide grooves, a connecting plate 24 is fixed to the bottom of the cylinder body of each support plate lifting hydraulic cylinder, and the left end and the right end of a full-length support plate 25 are connected to the connecting plates at the bottoms of the two support plate lifting hydraulic cylinders on the left side and the right side of the vehicle body through two third chains 26 respectively. When the four-wheel drive agricultural vehicle travels, the supporting plate can float up and down, and when the wheels sink, the chain can ensure that the supporting plate does not sink along with the vehicle body. The supporting plate lifting hydraulic cylinder of the harrowing supporting plate mechanism is connected with a transmission hydraulic pump of the four-wheel drive agricultural vehicle through an oil pipe.
The bucket mechanism comprises a base 27 which is connected to the rear part of the vehicle body through a shaft, a cylinder body of a bucket mechanism steering cylinder 28 is fixed on the vehicle body, a cylinder rod of the bucket mechanism steering cylinder is connected to the base, and the bucket mechanism steering cylinder can drive the base to rotate. The lower end of the first support arm 29 is connected to the base through a shaft, the upper end of the first support arm is connected to the rear end of the second support arm 30 through a shaft, the bucket 31 is connected to the front end of the second support arm through a shaft, the cylinder body of the first hydraulic cylinder 32 is fixed to the base, the cylinder rod of the first hydraulic cylinder is connected to the middle of the first support arm through a shaft, the cylinder body of the second hydraulic cylinder 33 is hinged to the first support arm, the cylinder rod of the second hydraulic cylinder is hinged to the second support arm, the cylinder body of the third hydraulic cylinder 34 is hinged to the second support arm, the cylinder rod of the third hydraulic cylinder is hinged to the bucket, the first support arm is driven to lift up or fall down by the operation of the first hydraulic cylinder, the second support arm is driven to rotate by the operation of the second hydraulic cylinder, and the bucket is driven to rotate by the operation of the third hydraulic cylinder. And all hydraulic cylinders of the bucket mechanism are connected with a hydraulic pump of a gearbox of the four-wheel drive agricultural vehicle through oil pipes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. Paddy field revolves harrow machine, characterized by: comprises a four-wheel-drive agricultural vehicle (1), wherein rotary cultivators are additionally arranged in the front and the rear of the four-wheel-drive agricultural vehicle, and a second steering gear (18) for controlling the steering of a rear wheel is additionally arranged behind a seat of the four-wheel-drive agricultural vehicle;
the frame of the front rotary cultivator (2) and the frame of the rear rotary cultivator (3) are respectively arranged at the front end and the rear end of the vehicle body of the four-wheel-drive agricultural vehicle through shafts, the cylinder body of a lifting hydraulic cylinder (4) of the front rotary cultivator is connected to a hydraulic cylinder seat at the front end of the vehicle body, the cylinder rod of the lifting hydraulic cylinder of the front rotary cultivator is connected to the hydraulic cylinder seat on the front rotary cultivator, and a first chain (5) is connected between the hydraulic cylinder seat at the front end of the vehicle body and the hydraulic cylinder seat of the front rotary cultivator; the cylinder body of the rear rotary cultivator lifting hydraulic cylinder (6) is connected to the hydraulic cylinder seat at the rear end of the vehicle body, the cylinder rod of the rear rotary cultivator lifting hydraulic cylinder is connected to the hydraulic cylinder seat of the rear rotary cultivator, and a second chain (7) is connected between the hydraulic cylinder seat at the rear end of the vehicle body and the hydraulic cylinder seat of the rear rotary cultivator;
the front transverse transmission shaft (8) is mounted on a vehicle body behind the front rotary cultivator through a bearing, a transmission gear (9) is fixed in the middle of the front transverse transmission shaft, the transmission gear is meshed with a power input gear of a clutch of the front rotary cultivator, a first bevel gear (10) is fixed at the right end of the front transverse transmission shaft, a longitudinal transmission shaft (11) is mounted on the vehicle body behind the front transverse transmission shaft through a bearing, a second bevel gear (12) is fixed at the front end of the longitudinal transmission shaft, the second bevel gear at the front end of the longitudinal transmission shaft is meshed with the first bevel gear at the right end of the transverse transmission shaft, a first chain wheel (13) is fixed in the middle of the longitudinal transmission shaft, a second chain wheel (14) is fixed at the rear end of the longitudinal transmission shaft, the second chain wheel is connected with a chain wheel on an output shaft at the front end of a four-wheel agricultural vehicle engine through a chain, and a longitudinal long shaft (15) is mounted on the vehicle body on the left side of the longitudinal transmission shaft through a bearing; the front part and the rear part of the longitudinal long shaft are respectively fixed with a third chain wheel (16), the third chain wheel at the front part of the longitudinal long shaft is connected with a first chain wheel (13) at the middle part of the longitudinal transmission shaft through a chain, the rear part of the vehicle body is fixed with a gear box (17), the third chain wheel at the rear part of the longitudinal long shaft is connected with a chain wheel on an input shaft of the gear box through a chain, an output shaft of the gear box is connected with a rear transverse transmission shaft (35), the rear transverse transmission shaft is arranged on the vehicle body in front of the rear rotary cultivator through a bearing, a gear is arranged on the rear transverse transmission shaft, and the gear on the rear transverse transmission shaft is meshed with a power input gear on a clutch of the rear rotary cultivator;
an oil pipe of the second steering gear (18) is connected with an engine hydraulic pump of the four-wheel-drive agricultural vehicle, a connecting rod (19) is connected between hub arms of two rear wheels of the four-wheel-drive agricultural vehicle, a cylinder body of a steering hydraulic cylinder (20) is fixed on a vehicle body, a cylinder rod of the steering hydraulic cylinder is connected to the hub arm of one rear wheel through a support arm (21), and the oil pipe of the steering hydraulic cylinder is connected with the engine hydraulic pump of the four-wheel-drive agricultural vehicle.
2. The paddy field harrow rotary for paddy field as claimed in claim 1, wherein: three front-rear arranged harrow support plate mechanisms with the same structure are arranged on the four-wheel drive agricultural vehicle, the front harrow support plate mechanism is arranged in front of the front wheel, the middle harrow support plate mechanism is arranged between the front wheel and the rear wheel, and the rear harrow support plate mechanism is arranged behind the rear wheel; raking the ground layer board mechanism and including vertical guide way (22) of fixing in the automobile body left and right sides, all install a layer board hydraulic cylinder (23) in every guide way, layer board hydraulic cylinder's jar pole is through the top of round pin hub connection at the guide way, layer board hydraulic cylinder's cylinder body and guide way sliding contact, layer board hydraulic cylinder's cylinder body bottom is fixed with connecting plate (24), the left end and the right-hand member of leading to long layer board (25) are connected respectively on two layer board hydraulic cylinder bottom fixed connecting plates of automobile body both sides through two third chains (26).
3. A rotary harrow for paddy field as defined in claim 1 or 2, wherein: the bucket mechanism of the hook machine is additionally arranged behind the four-wheel-drive agricultural vehicle and comprises a base (27), the base is connected to the rear portion of a vehicle body of the four-wheel-drive agricultural vehicle through a shaft, a cylinder body of a bucket mechanism steering oil cylinder (28) is fixed to the vehicle body, a cylinder rod of the bucket mechanism steering oil cylinder is connected to the base, the lower end of a first support arm (29) is connected to the base through a shaft, the upper end of the first support arm is connected to the rear end of a second support arm (30) through a shaft, a bucket (31) is connected to the front end of the second support arm through a shaft, a cylinder body of a first hydraulic cylinder (32) is fixed to the base, a cylinder rod of the first hydraulic cylinder is connected to the middle portion of the first support arm through a shaft, a cylinder body of a second hydraulic cylinder (33) is hinged to the first support arm, a cylinder rod of the second hydraulic cylinder is hinged to the second support arm, a cylinder body of a third hydraulic cylinder (34) is hinged to the second support arm, and a cylinder rod of the third hydraulic cylinder is hinged to the bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570433.3U CN218104088U (en) | 2022-09-28 | 2022-09-28 | Rotary harrow for paddy field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570433.3U CN218104088U (en) | 2022-09-28 | 2022-09-28 | Rotary harrow for paddy field |
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| CN218104088U true CN218104088U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222570433.3U Active CN218104088U (en) | 2022-09-28 | 2022-09-28 | Rotary harrow for paddy field |
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| CN (1) | CN218104088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115413430A (en) * | 2022-09-28 | 2022-12-02 | 赵忠阁 | Rotary harrow for paddy field |
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2022
- 2022-09-28 CN CN202222570433.3U patent/CN218104088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115413430A (en) * | 2022-09-28 | 2022-12-02 | 赵忠阁 | Rotary harrow for paddy field |
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