CN210406089U - Annular orchard weeding machine - Google Patents
Annular orchard weeding machine Download PDFInfo
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- CN210406089U CN210406089U CN201921231208.9U CN201921231208U CN210406089U CN 210406089 U CN210406089 U CN 210406089U CN 201921231208 U CN201921231208 U CN 201921231208U CN 210406089 U CN210406089 U CN 210406089U
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Abstract
An orchard annular weeding machine belongs to the technical field of agricultural machinery and comprises a rack, a hydraulic system, a parallelogram terrain imitation device, an annular avoidance device and a weeding device, wherein the rack can be used for hooking the machine with a tractor and providing a protection space for the hydraulic system; the hydraulic system is the main power source of the machine; the terrain imitation device mainly comprises a parallelogram adjusting frame and a terrain imitation wheel, and the adjusting frame can move along with the terrain imitation wheel when the terrain imitation wheel moves up and down along with the terrain, so that a C-shaped tool rest in the annular avoidance device is driven to move up and down, and the machine can adapt to various terrains; the weeding device is provided with the power rotary tillage rake and is connected to the buffering and damping device, so that the weeding device can keep being attached to the ground, and the impact of soil resistance on machinery is reduced; the avoiding device enables the machine to rotate around the trunk, and the purpose of weeding at one time is achieved.
Description
Technical Field
The utility model belongs to the technical field of agricultural machine, concretely relates to annular weeding machine in orchard.
Background
The weed spacing of fruit trees in the orchard is too large, the weed growth is very suitable, the service life of the fruit trees and the quality of fruits are seriously influenced by a large amount of weeds, and further the economic benefit of growers is influenced, so that the orchard weeding is an important link for orchard management. The existing weeder usually adopts a disc type mowing knife, the weeding effect is not thorough, the re-emergence rate is high, the operation is required for a plurality of times in a year, only one-side weeding is realized, the weeds around the trunk of a fruit tree can not be cleared away at one time, the operation time is prolonged, and the energy consumption is increased.
Disclosure of Invention
The utility model aims to provide an annular orchard weeding machine aiming at the defects of the existing orchard weeding machine, which is designed aiming at the main points of protective cultivation, can remove weeds among fruit trees and in an annular area taking a trunk as a center at one time, protect the weeds in other areas, prevent water and soil loss and simultaneously prevent drought; designing a terrain imitation device to adapt to the up-and-down fluctuating terrain of an orchard; the intelligent control system is arranged, so that the fruit trees can be identified and avoided automatically, and the damage to the fruit trees is avoided.
The utility model consists of a frame, a hydraulic system, a parallelogram terrain-imitating device, an annular avoiding device and a weeding device; wherein the hydraulic pump and the gear box are fixedly connected on the frame body; the traveling wheels are fixedly assembled on the frame body; the hydraulic system is fixed on the frame; the parallelogram terrain-imitating device is fixedly assembled on the rack; the annular avoidance device is fixedly assembled on the parallelogram terrain imitation device; the weeding device is fixedly assembled on the annular avoiding device; the hydraulic system is divided into a power part and a control part, the power part provides power for the annular avoiding device and the weeding device E, and the control part controls the annular avoiding device to automatically rotate around the trunk. The machine frame is of a frame structure and comprises a bottom plate, a top plate, a stand column I, a stand column II, a stand column III and a stand column IV, wherein four corners of the bottom plate are fixedly connected with four corners of the top plate through the stand column I, the stand column II, the stand column III and the stand column IV.
The frame comprises a frame body, a traveling wheel and a gear box, wherein an input shaft of the gear box is assembled with a power output shaft of the tractor, and an output shaft of the gear box is assembled with a mechanical power input end of the hydraulic pump.
The hydraulic system consists of an oil tank, an overflow valve, an electromagnetic valve, a hydraulic pump, a hydraulic motor, a telescopic hydraulic cylinder and a fan, wherein the oil tank, the overflow valve, the fan and the electromagnetic valve are fixedly arranged on a box body; one of the oil ports is assembled with the electromagnetic valve through an oil pipe, the other oil port is assembled with an oil return port of the oil tank through an oil pipe, an oil inlet of the electromagnetic valve is assembled with an oil outlet of the hydraulic pump, and the number of the hydraulic motors is three and the three hydraulic motors are respectively assembled on the three bottom pieces; the hydraulic motor oil inlet is joined in marriage the dress through oil pipe and hydraulic pump oil-out, and the oil-out is joined in marriage the dress through oil pipe and oil tank oil return opening, and the oil inlet of overflow valve joins in marriage the dress with the oil-out of hydraulic pump, and the oil-out joins in marriage the dress with the oil return opening of oil tank.
The parallelogram terrain-imitating device consists of a ball bearing female head, a ball bearing male head limiting cylinder, a limiting rod I, a rod sleeve, a ball bearing male head connection part, a hydraulic cylinder frame connection part, a first spring, a terrain-imitating wheel, a wheel frame and a guide rail; the hydraulic cylinder frame comprises two ball bearing male head limiting barrels, two ball bearing male head connecting rods, four ball bearing female heads, four ball bearing female head connecting rods, a rod sleeve and a ball bearing male head connecting rod, wherein the two ball bearing male head limiting barrels and the two ball bearing male head connecting rods are respectively in matched connection with the four ball bearing female heads, the four ball bearing female heads are installed on a frame body in a matched mode, one end of the limiting rod I is in matched connection with the ball bearing male head limiting barrels, the other end of the limiting rod I is in matched connection with the rod sleeve, a first spring is fixedly connected between the limiting rod I and the ball bearing male head limiting barrels, through holes with the same diameter are machined in the rod sleeve and the ball bearing male head connecting rod, the rod sleeve is fixedly connected onto the ball bearing male head connecting rod through bolts, the ball bearing male head connecting rod is composed of the.
The annular avoidance device is composed of a hydraulic cylinder frame, a C-shaped tool rest connecting piece, a contact rod, an electric control seat and a positioning rod, wherein the hydraulic cylinder frame is formed by fixedly connecting an upper hydraulic cylinder frame plate, a lower hydraulic cylinder frame plate and two hydraulic cylinder frame beams I, the C-shaped tool rest is connected with a bearing outer ring in a matched mode, a bearing inner ring is connected with the hydraulic cylinder frame beams I in a matched mode, the electric control seat and the positioning rod are fixedly connected with the upper hydraulic cylinder frame plate, the contact rod is assembled with the hydraulic cylinder frame beams I through a coil spring, the hydraulic cylinder frame is fixedly connected with the hydraulic cylinder frame connecting piece, and the electric control seat is used for.
The weeding device comprises a top piece, a limiting rod II, a limiting cylinder, a second spring, a bottom piece, a power rotary tillage rake and a limiting device connecting piece, wherein the top piece is fixedly connected with a C-shaped knife rest, three limiting device connecting pieces are connected with the top piece in a matched mode, the three limiting device connecting pieces are connected with the bottom piece in a matched mode, one limiting rod II is connected with one limiting cylinder in a matched mode, the limiting device is formed by fixedly connecting the second spring, one end of the limiting device is connected with the limiting device connecting piece on the top piece in a matched mode through a pin shaft, the other end of the limiting device is connected with the limiting device connecting piece on the bottom piece in a matched mode through a pin shaft, and the power rotary tillage.
The beneficial effects of the utility model reside in that:
1. the utility model discloses a C style of calligraphy knife rest is pull by the tractor, and C style of calligraphy knife rest will be close to the trunk gradually, and when the trunk got into knife rest central point, under the drive of pneumatic cylinder, C style of calligraphy knife rest will rotate around the trunk, and then drives the weeding sword of knife rest installation and coil the trunk and rotate to accomplish the disposable weeding around the trunk.
2. The utility model discloses a parallelogram imitative topography mechanism, imitative topography mechanism comprises parallelogram frame and hydraulic cylinder frame two parts, and parallelogram frame one end adopts spherical hinge to link to each other with the frame, and the other end and hydraulic cylinder frame rigid connection, hydraulic cylinder frame and C style of calligraphy knife rest pass through the bearing and link to each other, and imitative topography wheel is equipped with to its bottom, can drive the fluctuation and the up-and-down motion of pneumatic cylinder frame imitative operation topography, drive C style of calligraphy knife rest and make the adjustment on terrain clearance, reach the effect that imitative topography was weeded.
3. The utility model discloses a blade disc with imitative topography effect, three buffer adjustment device who comprises spring and telescopic link can adapt to ground well, and the vertical rotary blade of blade disc bottom installation can effectively destroy weeds root system when weeding the operation, reaches better weeding effect.
4. The utility model discloses ingenious combination mechanical mechanism and hydraulic component's coordinated control system, the contact lever that has the wind spring that is equipped with on the hydraulic cylinder frame, this contact lever cuts mutually with C style of calligraphy knife rest, the trunk with getting into C style of calligraphy knife rest contacts when weeding the operation, along with the gos forward of weeder, the contact lever rotates, drive the switch of the closed control electromagnetic directional valve of lug that links to each other with the contact lever, electromagnetic directional valve is aroused back control pneumatic cylinder extension, drive C style of calligraphy knife rest rotates around the trunk, leave behind C style of calligraphy knife rest when the trunk, the contact lever resumes to the original position under the drive of wind spring, drive lug cut-off switch, electromagnetic directional valve case resumes the normal position, the pneumatic cylinder shrink, drive C style of calligraphy knife rest resumes the original position, thereby accomplish a duty cycle.
5. The utility model discloses can repack into symmetrical structure, respectively assemble an independent parallelogram and imitate the topography device, cyclic annular dodge device and weeding device about the frame, bilateral weeding makes the operating efficiency improve the one time.
Drawings
Fig. 1 is an isometric view of an annular weeding machine for an orchard.
Fig. 2 is an isometric view of the gantry.
Fig. 3 is a top view of the gantry.
Fig. 4 is a right side view of the gantry.
FIG. 5 is an isometric view of a parallelogram terrain-imitating mechanism.
Figure 6 is an isometric view of an annular avoidance device.
Fig. 7 is a right side view of the annular avoidance device.
Fig. 8 is an isometric view of a weeding device.
Wherein: A. the device comprises a frame, a hydraulic system B, a parallelogram terrain imitation device C, an annular avoidance device E, a weeding device 1, a box cover, a fan 2, an oil tank 3, a box body 4, a frame body 5, an electromagnetic valve 6, an overflow valve 7, a hydraulic pump 8, a traveling wheel 9, a gear box 10, a ball bearing male head limiting cylinder 11, a ball bearing male head limiting cylinder 12, a first spring 13, a limiting rod I, a limiting rod 14, a connecting rod I, a bearing 15, a hydraulic cylinder frame connecting piece 16, a connecting rod II, a connecting rod 18, a rod sleeve 19, a ball bearing female head 20, a lower hydraulic cylinder frame plate 21, an upper hydraulic cylinder frame plate 22, a hydraulic cylinder frame I, a hydraulic cylinder frame 23, a contact rod 24, a C-shaped knife rest 26, a C-shaped knife rest connecting piece 27, a telescopic hydraulic cylinder 28, an electronic control seat 29, a wheel frame, a terrain imitation wheel 30, a guide rail 31, a positioning rod 32, a positioning rod 33, a limiting rod II, 34. the device comprises a limiting cylinder, 35, a limiting device connecting piece, 36, a bottom piece, 37, a hydraulic motor, 38, a power rotary tillage rake, 39, a second spring, 40, a screw, 41, a top piece, 42, a ball bearing male head connecting rod and 43, and a limiting device.
Detailed Description
As shown in fig. 1 to 8, the utility model is composed of a frame a, a hydraulic system B, a parallelogram terrain-imitating device C, an annular avoiding device D and a weeding device E; the hydraulic pump 8 and the gear box 10 are fixedly connected on the frame body 5; the traveling wheels 9 are fixedly assembled on the frame body 5; the hydraulic system B is fixed on the frame A; the parallelogram terrain-imitating device C is fixedly assembled on the rack A; the annular avoidance device D is fixedly assembled on the parallelogram terrain imitation device C; the weeding device E is fixedly assembled on the annular avoiding device D; the hydraulic system B is divided into a power part and a control part, the power part provides power for the annular avoiding device D and the weeding device E, and the control part controls the annular avoiding device D to automatically rotate around the trunk.
As shown in fig. 2 to 4, the frame a is composed of a frame body 5, a road wheel 9 and a gear box 10, an input shaft of the gear box 10 is assembled with a power output shaft of a tractor, and an output shaft is assembled with a mechanical power input end of a hydraulic pump 8.
As shown in fig. 3 and fig. 6 to 8, the hydraulic system B includes an oil tank 3, an overflow valve 7, an electromagnetic valve 6, a hydraulic pump 8, a hydraulic motor 37, a telescopic hydraulic cylinder 27 and a fan 2, wherein the oil tank 3, the overflow valve 7, the fan 2 and the electromagnetic valve 6 are formed, the electromagnetic valve 6 is fixedly installed on the box body 4, the box cover 1 is assembled on the box body 4, one end of the telescopic hydraulic cylinder 27 is fixedly assembled on the hydraulic cylinder frame 23, and the other end is assembled with the connecting piece 26 of the C-shaped tool rest; one of the oil ports is matched and assembled with the electromagnetic valve 6 through an oil pipe, the other oil port is matched and assembled with an oil return port of the oil tank 3 through an oil pipe, an oil inlet of the electromagnetic valve 6 is matched and assembled with an oil outlet of the hydraulic pump 8, and the number of the hydraulic motors 37 is three and is respectively assembled on the three bottom pieces 36; the oil inlet of the hydraulic motor 37 is assembled with the oil outlet of the hydraulic pump 8 through an oil pipe, the oil outlet is assembled with the oil return port of the oil tank 3 through an oil pipe, the oil inlet of the overflow valve 7 is assembled with the oil outlet of the hydraulic pump 8, and the oil outlet is assembled with the oil return port of the oil tank 3.
As shown in fig. 5, the parallelogram terrain-imitating device C comprises ball bearing female heads 19, ball bearing male head limiting cylinders 11, limiting rods i 13, rod sleeves 18, ball bearing male head connecting rods 42, hydraulic cylinder frame connecting pieces 16, first springs 12, terrain-imitating wheels 30, wheel carriers 29 and guide rails 31, wherein the two ball bearing male head limiting cylinders 11 and the two ball bearing male head connecting rods 42 are respectively matched and connected with the four ball bearing female heads 19, the four ball bearing female heads 19 are matched and installed on the frame body 5, one end of the limiting rod i 13 is matched and connected with the ball bearing male head limiting cylinder 11, the other end is matched and connected with the rod sleeve 18, the first springs 12 are fixedly connected between the limiting rods i 13 and the ball bearing male head limiting cylinders 11, through holes with the same diameter are processed on the rod sleeves 18 and the ball bearing male head connecting rods 42, the rod sleeves 18 are fixedly connected on the ball bearing male head connecting rods 42 through bolts, the ball bearing male head connecting rods 42 are composed of connecting rods i 14 and ii, the connecting rod II 17 is connected with the inner ring of the bearing 15 in a matching mode and fixedly connected with the connecting rod I14, the hydraulic cylinder frame connecting piece 16 is connected with the outer ring of the bearing 15 in a matching mode, the terrain-imitating wheel 30 is installed on a wheel frame 29 through a wheel shaft, the wheel frame 29 is fixedly connected onto a guide rail 31, and the guide rail 31 is fixedly connected to the bottom of the hydraulic cylinder frame 23.
As shown in fig. 6 and 7, the annular avoidance device D is composed of a hydraulic cylinder frame 23, a C-shaped tool rest 25, a C-shaped tool rest connecting member 26, a contact rod 24, an electric control seat 28 and a positioning rod 32, the hydraulic cylinder frame is formed by fixedly connecting an upper hydraulic cylinder frame plate 21, a lower hydraulic cylinder frame plate 20 and two hydraulic cylinder frame beams i 22, the C-shaped tool rest 25 is connected with an outer bearing ring in a matching manner, an inner bearing ring is connected with the hydraulic cylinder frame beams i 22 in a matching manner, the electric control seat 28 and the positioning rod 32 are fixedly connected with the upper hydraulic cylinder frame plate 21, the contact rod 24 is assembled with the hydraulic cylinder frame beams i 22 through a coil spring, the hydraulic cylinder frame 23 is fixedly connected with the hydraulic cylinder frame connecting member 16, and the electric control seat is used for receiving signals.
As shown in fig. 8, the weeding device E comprises a top piece 41, a limiting rod ii 33, a limiting cylinder 34, a second spring 39, a bottom piece 36, a power rotary tillage rake 38 and a limiting device connecting piece 35, wherein the top piece 41 is fixedly connected with a C-shaped knife rest 25, three limiting device connecting pieces 35 are connected with the top piece 41 in a matching way, three limiting device connecting pieces 35 are connected with the bottom piece 36 in a matching way, one limiting rod ii 33 is connected with one limiting cylinder 34 in a matching way, and is fixedly connected with the second spring 39 to form a limiting device 43, one end of the limiting device 43 is connected with the limiting device connecting piece 35 on the top piece 41 in a matching way through a pin shaft, the other end of the limiting device connecting piece 35 on the bottom piece 36 in a matching way through a pin shaft, and the power rotary tillage rake 38 is connected with.
The operation process of the orchard weeding machine comprises the steps of connecting a rack A with a parallelogram terrain imitation device C, connecting the parallelogram terrain imitation device C with an annular avoidance device D, connecting the annular avoidance device D with a weeding device E, driving the whole weeding machine to move forward by the movement of the rack, driving a C-shaped knife rest 25 to move towards the bottom of a water storage pit under the action of gravity of the weeding device E when the weeding machine enters a working area, driving a contact rod 24 to be in contact with a trunk, driving the contact rod 24 to rotate under the action of the trunk, giving an angular displacement signal to a main control unit by an angular displacement sensor, feeding back a signal to a hydraulic system B by the main control unit when a set value is reached, triggering a solenoid valve 6 to enable a telescopic hydraulic cylinder 27 to extend to drive the C-shaped knife rest 25 to rotate, avoiding the trunk, driving the C-shaped knife rest to advance along with the rack A to be about to break away from the trunk, the contact rod 24 is separated from the trunk and rebounds to the original position, the main control unit gives a feedback signal to the hydraulic system B again to trigger the electromagnetic valve 6, so that the telescopic hydraulic cylinder 27 begins to contract to drive the C-shaped tool rest 25 to rotate and return, the weeding device E is completely separated from the water storage pit, all the components return, and a weeding period is completed.
Claims (6)
1. An orchard annular weeding machine is characterized in that: the weeding machine is composed of a rack (A), a hydraulic system (B), a parallelogram terrain imitation device (C), an annular avoidance device (D) and a weeding device (E); the hydraulic pump (8) and the gear box (10) are fixedly connected on the frame body (5); the traveling wheels (9) are fixedly assembled on the frame body (5); the hydraulic system (B) is fixed on the frame (A); the parallelogram terrain-imitating device (C) is fixedly assembled on the rack (A); the annular avoidance device (D) is fixedly assembled on the parallelogram terrain imitation device (C); the weeding device (E) is fixedly assembled on the annular avoiding device (D); the hydraulic system (B) is divided into a power part and a control part, the power part provides power for the annular avoiding device (D) and the weeding device (E), and the control part controls the annular avoiding device (D) to automatically rotate around the trunk.
2. An orchard ring weeding machine according to claim 1, wherein: the rack (A) consists of a rack body (5), a travelling wheel (9) and a gear box (10); the input shaft of the gear box (10) is assembled with the power output shaft of the tractor, and the output shaft is assembled with the mechanical power input end of the hydraulic pump (8).
3. An orchard ring weeding machine according to claim 1, wherein: the hydraulic system (B) comprises an oil tank (3), an overflow valve (7), an electromagnetic valve (6), a hydraulic pump (8), a hydraulic motor (37), a telescopic hydraulic cylinder (27) and a fan (2), wherein the oil tank (3), the overflow valve (7), the fan (2) and the electromagnetic valve (6) are fixedly mounted on a box body (4), a box cover (1) is assembled on the box body (4), one end of the telescopic hydraulic cylinder (27) is fixedly assembled on a hydraulic cylinder frame (23), and the other end of the telescopic hydraulic cylinder is assembled with a connecting piece (26) of a C-shaped tool rest; one oil port is assembled with the electromagnetic valve (6) through an oil pipe, the other oil port is assembled with an oil return port of the oil tank (3) through an oil pipe, oil inlets of the electromagnetic valve (6) are assembled with oil outlets of the hydraulic pump (8), and the number of the hydraulic motors (37) is three and the three hydraulic motors are respectively assembled on the three bottom pieces (36); an oil inlet of the hydraulic motor (37) is assembled with an oil outlet of the hydraulic pump (8) through an oil pipe, the oil outlet is assembled with an oil return port of the oil tank (3) through the oil pipe, an oil inlet of the overflow valve (7) is assembled with the oil outlet of the hydraulic pump (8), and the oil outlet is assembled with the oil return port of the oil tank (3).
4. An orchard ring weeding machine according to claim 1, wherein: the parallelogram terrain imitation device (C) consists of a ball bearing female head (19), a ball bearing male head limiting cylinder (11), a limiting rod I (13), a rod sleeve (18), a ball bearing male head connecting rod (42), a hydraulic cylinder frame connecting piece (16), a first spring (12), a terrain imitation wheel (30), a wheel frame (29) and a guide rail (31); two ball bearing male head limiting cylinders (11) and two ball bearing male head connecting rods (42) are respectively in matched connection with four ball bearing female heads (19), the four ball bearing female heads (19) are installed on a rack body (5) in a matched manner, one end of a limiting rod I (13) is in matched connection with the ball bearing male head limiting cylinder (11), the other end of the limiting rod I is in matched connection with a rod sleeve (18), a first spring (12) is fixedly connected between the limiting rod I (13) and the ball bearing male head limiting cylinder (11), through holes with the same diameter are processed on the rod sleeve (18) and the ball bearing male head connecting rods (42), the rod sleeve (18) is fixedly connected on the ball bearing male head connecting rods (42) through bolts, the ball bearing male head connecting rods (42) are composed of a connecting rod I (14) and a connecting rod II (17), the connecting rods II (17) are in matched connection with inner rings of bearings (15) and are fixedly connected with the connecting rods, the hydraulic cylinder frame connecting piece (16) is matched and connected with the outer ring of the bearing (15), the terrain-imitating wheel (30) is arranged on a wheel frame (29) through a wheel shaft, the wheel frame (29) is fixedly connected on a guide rail (31), and the guide rail (31) is fixedly connected at the bottom of the hydraulic cylinder frame (23).
5. An orchard ring weeding machine according to claim 1, wherein: the annular avoidance device (D) is composed of a hydraulic cylinder frame (23), a C-shaped tool rest (25), a C-shaped tool rest connecting piece (26), a contact rod (24), an electric control seat (28) and a positioning rod (32), wherein the hydraulic cylinder frame is formed by fixedly connecting an upper hydraulic cylinder frame plate (21), a lower hydraulic cylinder frame plate (20) and two hydraulic cylinder frame beams I (22), the C-shaped tool rest (25) is connected with a bearing outer ring in a matched mode, a bearing inner ring is connected with the hydraulic cylinder frame beams I (22) in a matched mode, the electric control seat (28) and the positioning rod (32) are fixedly connected with the upper hydraulic cylinder frame plate (21), the contact rod (24) is assembled with the hydraulic cylinder frame beams I (22) through a coil spring, the hydraulic cylinder frame (23) is fixedly connected with the hydraulic cylinder frame connecting piece (16), and the electric control seat is used for receiving and sending signals.
6. An orchard ring weeding machine according to claim 1, wherein: the weeding device (E) consists of a top piece (41), a limiting rod II (33), a limiting cylinder (34), a second spring (39), a bottom piece (36), a power rotary tillage rake (38) and a limiting device connecting piece (35), wherein the top piece (41) is fixedly connected with a C-shaped knife rest (25), three limiting device connecting pieces (35) are connected with the top piece (41) in a matched manner, three limiting device connecting pieces (35) are connected with the bottom piece (36) in a matched manner, one limiting rod II (33) is connected with one limiting cylinder (34) in a matched manner, and a second spring (39) is fixedly connected to form a limiting device (43), one end of the limiting device (43) is connected with a limiting device connecting piece (35) on the top piece (41) in a matched mode through a pin shaft, the other end of the limiting device (43) is connected with the limiting device connecting piece (35) on the bottom piece (36) in a matched mode through the pin shaft, and the power rotary tillage rake (38) is connected with the hydraulic motor (37) in a matched mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231208.9U CN210406089U (en) | 2019-08-01 | 2019-08-01 | Annular orchard weeding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231208.9U CN210406089U (en) | 2019-08-01 | 2019-08-01 | Annular orchard weeding machine |
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| CN210406089U true CN210406089U (en) | 2020-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110268817A (en) * | 2019-08-01 | 2019-09-24 | 吉林大学 | A kind of orchard ring-weeding is mechanical |
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2019
- 2019-08-01 CN CN201921231208.9U patent/CN210406089U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110268817A (en) * | 2019-08-01 | 2019-09-24 | 吉林大学 | A kind of orchard ring-weeding is mechanical |
| CN110268817B (en) * | 2019-08-01 | 2024-01-16 | 吉林大学 | Annular weeding machine for orchard |
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