CN111699768B - Millet thinning machine - Google Patents
Millet thinning machine Download PDFInfo
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- CN111699768B CN111699768B CN202010713256.2A CN202010713256A CN111699768B CN 111699768 B CN111699768 B CN 111699768B CN 202010713256 A CN202010713256 A CN 202010713256A CN 111699768 B CN111699768 B CN 111699768B
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- fixedly connected
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B41/00—Thinning machines
- A01B41/06—Thinning machines with electric, e.g. photo-electric control of thinning operations
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention discloses a millet thinning machine, which comprises a rack and is characterized in that: the utility model discloses a U-shaped plate bending machine, including frame, round bar, U-shaped plate, the upside middle part of the front end fixed connection horizontal pole of frame, the montant upper end of the both ends difference fixed connection U-shaped rod of horizontal pole, every two montant middle parts difference fixed connection round bar three one end, every of U-shaped rod round bar three passes round hole two on the cross piece that corresponds respectively, every the round bar two of cross piece difference fixed connection symmetry, every the round bar two passes the one end of the square slab that corresponds respectively, two the downside of square slab is the upper end of fixed connection L shaped plate respectively, and is symmetrical the downside of L shaped plate is bent the board and is provided with a set of recess two respectively. The invention relates to the field of thinning equipment, in particular to a millet thinning machine. This device can make things convenient for millet thinning.
Description
Technical Field
The invention relates to the field of thinning equipment, in particular to a millet thinning machine.
Background
Thinning is also called thinning. For protected field sowing and open field sowing, the sowing quantity greatly exceeds the seedling remaining quantity, so that seedlings are crowded, in order to ensure that the seedlings have enough growth space and nutrition area, a part of seedlings are pulled out in time, strong seedlings are selected and remained, and air circulation among the seedlings and sufficient sunlight are ensured. Thinning and fixing seedlings in due time, avoiding the crowding of the seedlings, shading each other, saving soil moisture and nutrients and being beneficial to cultivating strong seedlings. The manual thinning is easy to be infected with bacteria and damage the skin, and the efficiency of weeding and thinning is greatly reduced. At present, no special equipment is available for thinning.
Disclosure of Invention
The invention aims to provide a millet thinning machine which is convenient for thinning millet.
The invention adopts the following technical scheme to realize the purpose of the invention:
the utility model provides a millet thinning machine, includes the frame, characterized by: the utility model discloses a U-shaped plate bending machine, including frame, round bar, U-shaped plate, the upside middle part of the front end fixed connection horizontal pole of frame, the montant upper end of the both ends difference fixed connection U-shaped rod of horizontal pole, every two montant middle parts difference fixed connection round bar three one end, every of U-shaped rod round bar three passes round hole two on the cross piece that corresponds respectively, every the round bar two of cross piece difference fixed connection symmetry, every the round bar two passes the one end of the square slab that corresponds respectively, two the downside of square slab is the upper end of fixed connection L shaped plate respectively, and is symmetrical the downside of L shaped plate is bent the board and is provided with a set of recess two respectively.
As a further limitation of the technical scheme, the other end of each round rod three penetrates through a corresponding spring one and is fixedly connected with a round block one, one side of each round block one is fixedly connected with one side of a corresponding cross block through the spring one, the other side of each cross block contacts a cam one, and the center of one side of each cam one is fixedly connected with an output shaft of a motor three.
As a further limitation of the technical solution, each of the three motors is fixedly connected to the corresponding U-shaped rod.
As a further limitation of the technical scheme, the other end of each second round rod penetrates through a corresponding second spring to be fixedly connected with a second round block, one side of each second round block is fixedly connected with one side of a corresponding square plate through the second spring, the other side of each square plate is in contact with a second cam, and the center of one side of each second cam is fixedly connected with an output shaft of a fourth motor.
As a further limitation of the technical solution, each of the four motors is fixedly connected to the corresponding cross block.
As a further limitation of the technical scheme, the rack is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with the center of one side of the turntable, one ends of a group of first cylinders which are uniform along the circumferential direction are fixedly connected to the edge of the other side of the turntable, the turntable is respectively provided with a first groove corresponding to each first cylinder, a hollow round rod is respectively and fixedly connected to the inside of each first groove, and each hollow round rod is respectively and fixedly connected to the turntable.
As a further limitation of the technical scheme, each hollow round rod is respectively in threaded connection with a screw, each screw is respectively and fixedly connected with an output shaft of a second motor, each second motor is respectively arranged in the corresponding first groove, and one side of each second motor is respectively and fixedly connected with a second cylinder.
As a further limitation of the technical scheme, a vertical rod of the rack is fixedly connected with the collecting barrel, an opening is formed in the upper side of the collecting barrel, and an outlet is formed in one side of the collecting barrel.
As a further limitation of the technical scheme, the rear part of the frame is fixedly connected with a handle.
As the further limitation of the technical scheme, the rack is fixedly connected with one end of a symmetrical first round rod, the other end of the first round rod is symmetrically fixedly connected with one end of a vertical rod respectively, one end of the vertical rod is fixedly connected with one side of a supporting plate, the vertical rod is symmetrically provided with a group of first round holes respectively, the centers of two wheels are fixedly connected with round shafts respectively, the round shafts are matched with the first round holes, and the round shafts are symmetrical and penetrate through corresponding first round holes and threaded connection nuts respectively.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) the device has simple structure and simple operation, better improves the thinning efficiency and reduces the labor intensity of workers;
(2) the device prevents workers from being infected with bacteria, thereby preventing skin from being damaged;
(3) this device realizes the collection of the seedling between when thinning out, alleviates staff's follow-up work, raises the efficiency.
This device can make things convenient for millet thinning.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a partial perspective view of the first embodiment of the present invention.
Fig. 4 is a partial perspective view of the second embodiment of the present invention.
Fig. 5 is a schematic partial perspective view illustrating a third embodiment of the present invention.
Fig. 6 is a partial perspective view illustrating a fourth embodiment of the present invention.
Fig. 7 is a schematic partial perspective view of the present invention.
Fig. 8 is a schematic diagram six of a partial three-dimensional structure of the present invention.
Fig. 9 is a schematic diagram of a partial three-dimensional structure according to the present invention.
Fig. 10 is a partial perspective view illustrating an eighth embodiment of the present invention.
Fig. 11 is a schematic partial perspective view nine of the present invention.
Fig. 12 is a partial perspective view illustrating a cross section of the present invention.
FIG. 13 is a schematic diagram of the control module of the CPU of the controller of the present invention.
Fig. 14 is a schematic diagram of a motor-drive module of the present invention.
Fig. 15 is a schematic diagram of a two motor drive module of the present invention.
Fig. 16 is a schematic diagram of a three drive module of the motor of the present invention.
Fig. 17 is a schematic diagram of a four-drive module of the motor of the present invention.
In the figure: 1. the handle, 2, a rack, 3, a first round rod, 4, a vertical rod, 5, a wheel, 6, a round shaft, 7, a nut, 8, a first round hole, 9, an opening, 10, a collecting barrel, 11, an outlet, 12, a supporting plate, 13, a first motor, 14, a rotary table, 15, a first cylinder, 16, a first groove, 17, a second cylinder, 18, a second motor, 19, a screw rod, 20, a hollow round rod, 21, a cross rod, 22, a U-shaped rod, 23, a cross block, 24, a first spring, 25, a first round block, 27, a square plate, 28, an L-shaped plate, 29, a second groove, 30, a second round block, 31, a second spring, 32, a second round rod, 33, a third round rod, 34, a third motor, 35, a first cam, 36, a second cam, 37, a fourth motor, 38 and a second round hole.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 16, the present invention includes a frame 2, the front end of the frame 2 is fixedly connected to the middle of the upper side of a cross bar 21, two ends of the cross bar 21 are respectively and fixedly connected to the upper ends of the vertical bars of the U-shaped bars 22, the middle of two vertical bars of each U-shaped bar 22 is respectively and fixedly connected to one end of a circular bar three 33, each circular bar three 33 respectively passes through a circular hole two 38 on a corresponding cross block 23, each cross block 23 is respectively and fixedly connected to a symmetrical circular bar two 32, each circular bar two 32 respectively passes through one end of a corresponding square plate 27, the lower sides of the two square plates 27 are respectively and fixedly connected to the upper ends of L-shaped plates 28, and the bent plates on the lower sides of the symmetrical L-shaped plates 28 are respectively provided with a group of second grooves 29.
The other end of each round rod III 33 is fixedly connected with a round block I25 through a corresponding spring I24, one side of each round block I25 is fixedly connected with one side of a corresponding cross block 23 through the spring I24, the other side of each cross block 23 is in contact with a cam I35, and the center of one side of each cam I35 is fixedly connected with an output shaft of a motor III 34.
Each motor three 34 is fixedly connected with the corresponding U-shaped rod 22.
The other end of each round rod II 32 penetrates through a corresponding spring II 31 to be fixedly connected with a round block II 30, one side of each round block II 30 is fixedly connected with one side of a corresponding square plate 27 through the spring II 31, the other side of each square plate 27 is in contact with a cam II 36, and the center of one side of each cam II 36 is fixedly connected with an output shaft of a motor IV 37.
Each motor four 37 is fixedly connected with the corresponding cross block 23.
The frame 2 is fixedly connected with a first motor 13, an output shaft of the first motor 13 is fixedly connected with the center of one side of a rotating disc 14, one ends of a group of cylinders 15 which are uniform along the circumferential direction are fixedly connected with the edge of the other side of the rotating disc 14, the rotating disc 14 corresponds to each cylinder 15, a first groove 16 is respectively arranged on each cylinder 15, a hollow round rod 20 is respectively and fixedly connected into each groove 16, and each hollow round rod 20 is respectively and fixedly connected with the rotating disc 14.
Each hollow round rod 20 is in threaded connection with a screw rod 19, each screw rod 19 is fixedly connected with an output shaft of a second motor 18, each second motor 18 is arranged in the corresponding first groove 16, and one side of each second motor 18 is fixedly connected with a second cylinder 17.
A vertical rod of the frame 2 is fixedly connected with a collecting barrel 10, an opening 9 is arranged on the upper side of the collecting barrel 10, and an outlet 11 is arranged on one side of the collecting barrel 10.
The rear part of the frame 2 is fixedly connected with a handle 1.
The rack 2 is fixedly connected with one end of a symmetrical round rod I3, and is symmetrical, the other end of the round rod I3 is fixedly connected with one end of a vertical rod 4 respectively, one end of one side of the vertical rod 4 is fixedly connected with one side of a supporting plate 12, the vertical rod 4 is symmetrical, a group of round holes I8 are formed in the vertical rod 4 respectively, the centers of two wheels 5 are fixedly connected with a round shaft 6 respectively, the round shaft 6 is matched with the round holes I8, and the round shaft 6 penetrates through the round holes I8 and is symmetrical to form threaded connection nuts 7.
The power supply is connected with the controller CPU control module, and the controller CPU control module is respectively connected with the first motor driving module, the second motor driving module, the third motor driving module and the fourth motor driving module.
Pins 56 and 57 of the controller CPU control module are connected with the first motor drive module, pins 59 and 60 of the controller CPU control module are connected with the second motor drive module, pins 62 and 63 of the controller CPU control module are connected with the third motor drive module, and pins 65 and 66 of the controller CPU control module are connected with the fourth motor drive module.
The working process of the invention is as follows: opening the controller, selecting a corresponding round hole I8 according to the height of the seedling, penetrating a round shaft 6 through the round hole I8, screwing a nut 7, sleeving the opening end of a material bag on an outlet 11, fastening the material bag by using a rope, placing the material bag on a support plate 12, wherein in an initial state, a short shaft of a cam I35 is contacted with one side of a cross block 23, a short shaft of a cam II 36 is contacted with a square plate 27, pushing a handle 1, the handle 1 drives a wheel 5 to rotate through a rack 2, a round rod I3, a vertical rod 4 and the round shaft 6, so that a rack 2 is driven to move forwards, the whole device is driven to move forwards, the controller controls a motor I13, a motor II 18, a motor III 34 and a motor IV 37 to rotate for a quarter turn at a uniform speed, the motor III 34 drives the cam I35 to rotate, the cam I35 drives the cross block 23 to move towards directions close to each other along the round rod III 33, the cross block 23 drives a round rod II 32 to move, the round rod II 32 drives the round block II 30 to move, the round block II 30 drives the spring II 31 to move, the round rod II 32 and the spring II 31 drive the square plate 27 to move, the square plate 27 drives the L-shaped plate 28 to move towards the direction close to each other, the cross block 23 compresses the spring I24, the motor IV 37 drives the cam II 36 to rotate, the cam II 36 drives the square plate 27 to move downwards along the round rod II 32, the square plate 27 compresses the spring II 31, the square plate 27 drives the L-shaped plate 28 to move downwards, the two L-shaped plates 28 move downwards and simultaneously close to each other until the long axis of the cam I35 contacts one side of the cross block 23, at the moment, the long axis of the cam II 36 contacts the square plate 27, the seedlings enter the groove II 29, the controller closes the motor III 34, the motor IV 37 continues to rotate for a quarter of a circle, the cam II 36 continues to rotate, the spring II 31 returns, the spring II 31 drives the square plate 27 to move upwards along the round rod II 32, the square plate 27 drives the L-shaped plate 28 to move upwards, the L-shaped plate 28 drives the seedlings to move upwards to pull out redundant seedlings until the short shaft of the second cam 36 contacts the square plate 27, in the process, the square plate 27 always contacts the second cam 36, the controller turns off the fourth motor 37, the controller controls the third motor 34 to make a quarter turn, the first spring 24 recovers, the first spring 24 drives the cross block 23 to move along the third round rod 33 in the direction away from each other, the cross block 23 drives the second round rod 32 to move, the second round rod 32 drives the second round block 30 to move, the second round rod 32 and the second spring 31 drive the square plate 27 to move, the square plate 27 drives the L-shaped plate 28 to move in the direction away from each other, the seedlings fall on the ground, the controller controls the first motor 13 to be opened all the time, the first motor 13 drives the rotary table 14 to rotate, the rotary table 14 drives the first cylindrical rod 15 and the second hollow round rod 20 to rotate, the hollow round rod 20 drives the screw rod 19 to rotate, the screw rod 19 drives the second motor 18 to rotate, and the second cylindrical rod 17 to rotate, the controller controls each second motor 18 to be opened when approaching the ground, the second motor 18 drives the screw rod 19 to rotate, the screw rod 19 drives the second motor 18 to approach the corresponding first cylinder 15 along the first groove 16, the second motor 18 drives the second cylinder 17 to move, the second cylinder 17 and the first cylinder 15 clamp seedlings between the first cylinder and the second cylinder, when the turntable 14 drives the second motor 18 to rotate clockwise to the position above the opening 9, the controller controls the second motor 18 to be opened reversely, the second cylinder 17 is far away from the first cylinder 15, the seedlings fall into the collecting barrel 10 from the opening 9, and the seedlings fall into the material bag from the collecting barrel 10 in a sliding mode. And repeating the steps until the work is finished, turning off the controller, and turning off the first motor 13, the second motor 18, the third motor 34 and the fourth motor 37 by the controller. And loosening the rope and taking away the material bag.
The device is driven to move forwards at a constant speed through manpower or agricultural machinery, the controller is set as required, the seedling digging frequency is controlled, and the seedling digging at the same distance at intervals is realized by combining the advancing speed and the seedling digging frequency, so that the thinning is realized.
The second motor 18 can be controlled to operate for one-time seedling clamping when approaching the ground by installing a ground proximity sensor, which is not described herein in detail for the mature prior art.
The rotating speed of the rotating disc 14 is controlled through the setting controller, the seedling clamping frequency is controlled, the seedling digging frequency and the seedling clamping frequency are the same, specific data are determined through field debugging, the device can be operated to the position where seedling digging and seedling emergence happen exactly every time when seedling clamping is achieved, the first seedling clamping position needs to be subjected to field debugging, and then the seedling clamping position can be guaranteed to be correct as long as the seedling digging frequency and the seedling clamping frequency are the same.
The above disclosure is only one specific embodiment of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (4)
1. A millet thinning machine, includes frame (2), characterized by: the front end of the rack (2) is fixedly connected with the middle part of the upper side of a cross rod (21), two ends of the cross rod (21) are fixedly connected with the upper ends of vertical rods of U-shaped rods (22) respectively, the middle parts of two vertical rods of each U-shaped rod (22) are fixedly connected with one end of a round rod III (33) respectively, each round rod III (33) penetrates through a round hole II (38) on a corresponding cross block (23) respectively, each cross block (23) is fixedly connected with a symmetrical round rod II (32) respectively, each round rod II (32) penetrates through one end of a corresponding square plate (27) respectively, the lower sides of the two square plates (27) are fixedly connected with the upper ends of L-shaped plates (28) respectively, and the lower side bending plates of the symmetrical L-shaped plates (28) are provided with a group of grooves II (29) respectively;
the other end of each round rod III (33) penetrates through a corresponding spring I (24) to be fixedly connected with a round block I (25), one side of each round block I (25) is fixedly connected with one side of a corresponding cross block (23) through the spring I (24), the other side of each cross block (23) is in contact with a cam I (35), and the center of one side of each cam I (35) is fixedly connected with an output shaft of a motor III (34);
each motor III (34) is fixedly connected with the corresponding U-shaped rod (22) respectively;
the other end of each round rod II (32) penetrates through a corresponding spring II (31) to be fixedly connected with a round block II (30), one side of each round block II (30) is fixedly connected with one side of a corresponding square plate (27) through the spring II (31), the other side of each square plate (27) is in contact with a cam II (36), and the center of one side of each cam II (36) is fixedly connected with an output shaft of a motor IV (37);
each motor four (37) is fixedly connected with the corresponding cross block (23) respectively;
the rack (2) is fixedly connected with a first motor (13), an output shaft of the first motor (13) is fixedly connected with the center of one side of a rotating disc (14), the edge of the other side of the rotating disc (14) is fixedly connected with one end of a group of first cylinders (15) which are uniform along the circumferential direction, the rotating disc (14) is provided with a first groove (16) corresponding to each first cylinder (15), a hollow round rod (20) is fixedly connected in each first groove (16), and each hollow round rod (20) is fixedly connected with the rotating disc (14);
each hollow round rod (20) is in threaded connection with a screw rod (19) respectively, each screw rod (19) is fixedly connected with an output shaft of a second motor (18) respectively, each second motor (18) is arranged in the corresponding first groove (16) respectively, and one side of each second motor (18) is fixedly connected with a second cylinder (17) respectively.
2. The millet thinning machine according to claim 1, characterized by: a vertical rod of the rack (2) is fixedly connected with a collecting barrel (10), an opening (9) is formed in the upper side of the collecting barrel (10), and an outlet (11) is formed in one side of the collecting barrel (10).
3. The millet thinning machine according to claim 1, characterized by: the rear part of the frame (2) is fixedly connected with a handle (1).
4. The millet thinning machine according to claim 1, characterized by: the one end of the round bar (3) of frame (2) fixed connection symmetry, the symmetry the other end of round bar (3) is the one end of fixed connection montant (4) respectively, one side of one side fixed connection backup pad (12) of montant (4), the symmetry be provided with a set of round hole (8) on montant (4) respectively, the center of two wheels (5) is fixed connection circle axle (6) respectively, circle axle (6) match round hole (8), the symmetry round axle (6) pass respectively correspond round hole (8) threaded connection nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713256.2A CN111699768B (en) | 2020-07-22 | 2020-07-22 | Millet thinning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713256.2A CN111699768B (en) | 2020-07-22 | 2020-07-22 | Millet thinning machine |
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| CN111699768A CN111699768A (en) | 2020-09-25 |
| CN111699768B true CN111699768B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010713256.2A Active CN111699768B (en) | 2020-07-22 | 2020-07-22 | Millet thinning machine |
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| CN (1) | CN111699768B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112425332B (en) * | 2020-11-30 | 2022-07-19 | 倪为勇 | Flowers and plants transplanting seedling device |
| CN112534978A (en) * | 2020-12-14 | 2021-03-23 | 杭州富阳顺来粮油专业合作社 | Multifunctional plowing weeding machine for crop planting and use method thereof |
| CN114123955B (en) * | 2021-10-22 | 2023-06-20 | 华能阜新风力发电有限责任公司 | Outdoor photovoltaic power generation panel cleaning device |
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| GB191014258A (en) * | 1910-06-13 | 1911-01-26 | Alfred Taylor | Improvements in Crop-thinning Machines and Cultivators or Hoes. |
| GB1086554A (en) * | 1963-12-23 | 1967-10-11 | Cramer Hans | Rotary hoeing implement for hoeing rows of plants |
| CN108174636A (en) * | 2018-03-22 | 2018-06-19 | 山西省农业科学院作物科学研究所 | Dicotyledonous crops experimental field thinner |
| CN108307703A (en) * | 2018-03-28 | 2018-07-24 | 河北省农业机械化研究所有限公司 | Clip thinning device is pulled out in rotation |
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| CN208675699U (en) * | 2018-06-19 | 2019-04-02 | 安阳师范学院 | Automatic thinning for milpa is filled the gaps with seedlings machine |
| CN209693378U (en) * | 2019-01-22 | 2019-11-29 | 甘肃华荣旺达科技工程有限公司 | A kind of soybean planting thinning fanout free region seedling taking clamp |
| CN111316906A (en) * | 2020-02-28 | 2020-06-23 | 中国水产科学研究院渔业机械仪器研究所 | Protective seedling transplanting method, device and method for row root systems of kelp seedlings |
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2020
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191014258A (en) * | 1910-06-13 | 1911-01-26 | Alfred Taylor | Improvements in Crop-thinning Machines and Cultivators or Hoes. |
| GB1086554A (en) * | 1963-12-23 | 1967-10-11 | Cramer Hans | Rotary hoeing implement for hoeing rows of plants |
| CN108582137A (en) * | 2018-01-29 | 2018-09-28 | 安徽机电职业技术学院 | A kind of mechanical clamp hand device of Dual-motors Driving |
| CN108174636A (en) * | 2018-03-22 | 2018-06-19 | 山西省农业科学院作物科学研究所 | Dicotyledonous crops experimental field thinner |
| CN108307703A (en) * | 2018-03-28 | 2018-07-24 | 河北省农业机械化研究所有限公司 | Clip thinning device is pulled out in rotation |
| CN208675699U (en) * | 2018-06-19 | 2019-04-02 | 安阳师范学院 | Automatic thinning for milpa is filled the gaps with seedlings machine |
| CN209693378U (en) * | 2019-01-22 | 2019-11-29 | 甘肃华荣旺达科技工程有限公司 | A kind of soybean planting thinning fanout free region seedling taking clamp |
| CN111316906A (en) * | 2020-02-28 | 2020-06-23 | 中国水产科学研究院渔业机械仪器研究所 | Protective seedling transplanting method, device and method for row root systems of kelp seedlings |
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| CN111699768A (en) | 2020-09-25 |
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