CN111114777B - Smart volume seed separating device of unmanned aerial vehicle - Google Patents
Smart volume seed separating device of unmanned aerial vehicle Download PDFInfo
- Publication number
- CN111114777B CN111114777B CN201911261493.3A CN201911261493A CN111114777B CN 111114777 B CN111114777 B CN 111114777B CN 201911261493 A CN201911261493 A CN 201911261493A CN 111114777 B CN111114777 B CN 111114777B
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- Prior art keywords
- seed
- separator
- bin
- connector
- aerial vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
Abstract
The application provides an unmanned aerial vehicle precision seed separating device, which comprises a seed bin connector, a quantitative separator and a control system bin, the seed bin connector is fixedly connected with the outlet of the unmanned aerial vehicle seed bin, so that the seeds in the unmanned aerial vehicle seed bin slide into the seed bin connector under the action of gravity, a separator shell is arranged at the bottom of the seed bin connector, the quantitative separator is rotatably arranged on the separator shell and corresponds to an input hole arranged on the seed bin connector, so that seeds flow into the quantitative separator through the input hole to be quantitatively separated, the separator shell is also provided with a driving device which is in transmission connection with the quantitative separator, the control system bin is connected with the seed bin connector and adjusts the rotating speed of the quantitative separator by controlling the driving device.
Description
Technical Field
The application relates to the technical field of aerospace, in particular to an unmanned aerial vehicle precision seed separating device.
Background
Unmanned aerial vehicle technology is widely used in agriculture and forestry production at present, including being used for plant protection, flying seeding afforestation, patrolling and examining, survey and drawing, taking photo by plane etc.. When the existing unmanned aerial vehicle carries out air seeding afforestation operation, seeds continuously slide and are sown after a bin outlet of a seed bin of the unmanned aerial vehicle is opened, the sowing amount or the ejection amount of the seeds can not be controlled precisely all the time, the seeds freely slide and enter a sowing device or an ejector under the action of gravity, the seed output is large, the seeds are continuously and densely sown, the seed waste phenomenon exists, the precision sowing function can not be realized, the precision interval sowing and sowing can not be realized, the requirement of the line-row interval sowing can not be realized, the aim of sowing the seeds once between 0.5 m and 3m and sowing the seeds 2-4 grains at each time can not be realized.
In summary, the main problem of the prior art is that the unmanned aerial vehicle can not perform flying sowing or sowing other plant seeds in a quantitative manner, batch-wise manner and discontinuously separate and output the seeds, thereby realizing the need of quantitative and spaced sowing.
Disclosure of Invention
The utility model provides an aim at overcomes prior art's defect, provides a smart volume seed separator of unmanned aerial vehicle.
In order to achieve the purpose, the following technical scheme is adopted in the application:
an unmanned aerial vehicle precision seed separating device comprises a seed bin connector, a quantitative separator and a control system bin, the seed bin connector is fixedly connected with the outlet of the unmanned aerial vehicle seed bin, so that the seeds in the unmanned aerial vehicle seed bin slide into the seed bin connector under the action of gravity, a separator shell is arranged at the bottom of the seed bin connector, the quantitative separator is rotatably arranged on the separator shell and corresponds to an input hole arranged on the seed bin connector, so that seeds flow into the quantitative separator through the input hole to be quantitatively separated, the separator shell is also provided with a driving device which is in transmission connection with the quantitative separator, the control system bin is connected with the seed bin connector and adjusts the rotating speed of the quantitative separator by controlling the driving device.
Optionally, the seed storehouse connector is discoid structure, the input hole is located discoid structure's edge sets up be in directly over the ration separator be provided with a plurality of draw-in grooves on the side facade of seed storehouse connector, and the seed storehouse connector is close to be provided with the pin through-hole on the side facade of input hole, the seed storehouse connector pass through the draw-in groove with the delivery port spiral chucking in unmanned aerial vehicle seed storehouse, and pass through the spacing cooperation of pin through-hole and activity pin realizes blocking the lock and dies.
Optionally, the height of the vertical surface of the seed bin connector is 15mm, the thickness of the seed bin connector is 5-8mm, and the input hole is a rectangular hole with the length of 20mm and the width of 10 mm.
Optionally, still include the buffering stopper of the branch kind, the buffering stopper of the branch kind is installed on the seed storehouse connector and with the input hole is adjacent to be set up be provided with the brush on the buffering stopper of the branch kind.
Optionally, the buffering stopper of the branch kind is rectangular rectangle, the length of rectangular rectangle is 40mm, and the width is 10mm, and thickness is 5-6mm the both sides of buffering stopper of the branch kind are equipped with two screw through-holes respectively, buffering stopper of the branch kind passes through screw through-hole and screw vertical fixation are in one side of input hole the buffering stopper of the branch kind with the part that the hole of input hole covered mutually is provided with a plurality of regular spread's hole, is being close to be provided with the brush hair in the first row hole of input hole, and the brush hair is deep into quantitative separator's upper portion keeps 3-5 mm's distance.
Optionally, the quantitative separator passes through separator shell fixed mounting and is in under the input hole of seed storehouse connector parallel interval is provided with a plurality of recesses on the outer fringe lateral wall of quantitative separator the center of quantitative separator is provided with the center pin, the center pin is the cylinder the inside of center pin is equipped with six rhombus's separator through-hole, the separator through-hole passes through six rhombus bolts and sets up shell through-hole on the separator shell with drive arrangement transmission is connected.
Optionally, the quantitative separator is a circular turntable with a thickness of 15mm, 4-6U-shaped grooves are arranged on the outer edge side wall of the quantitative separator, the depth of each groove is 5mm, and the length of each groove is 10 mm.
Optionally, the driving device is fixedly mounted on the separator shell, an output shaft is arranged on the driving device, and a central rotating shaft of the quantitative separator is connected with the output shaft through a shell through hole and a six-diamond bolt, so that the quantitative separator can rotate under the action of the driving device.
Optionally, be provided with the wiring passageway on the seed storehouse connector, the wiring passageway is for setting up the seed storehouse connector with protruding long hollow tube between the control system storehouse, the wiring passageway is the plastics material and solidifies in the bottom of seed storehouse connector, drive arrangement's signal line and power cord pass through the wiring passageway spreads into the control system storehouse.
Optionally, a seed separation control panel, a power panel and a motor drive board are integrated in the control system cabin, the motor drive board is arranged in the control system cabin through a support plate in a limiting mode, the support plate is used for fixing the power panel, a GPS (global positioning system) through hole and a power slot are formed in the side wall of the control system cabin, an outer cover for packaging the whole control system cabin is arranged at the top of the control system cabin, and the outer cover and the top of the seed cabin connector are located on the same horizontal plane.
The application discloses smart volume of unmanned aerial vehicle divides kind device receives the seed that comes from in the unmanned aerial vehicle seed storehouse through the seed storehouse connector, then carry the seed to the quantitative separator through the input hole and carry out the ration and separate, make unmanned aerial vehicle operating personnel can be through adjusting unmanned aerial vehicle speed of a ship or the rotational speed of adjusting the quantitative separator through the control system storehouse in the operation process of broadcasting by air, can realize that 0.5-3m interval divides the batch and separates and output 2-4 seeds discontinuously, realize smart volume branch kind and the mesh of quantitative seeding, saved and broadcast afforestation or other plant seeds quantity about 80%, engineering cost is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an unmanned aerial vehicle precision seed sorting device according to an embodiment of the application;
fig. 2 is an exploded view of the overall structure of the unmanned aerial vehicle precision seed sorting device according to the embodiment of the application;
FIG. 3 is a schematic structural diagram of a seed separation buffer limiter according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a quantitative separator according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a driving device according to an embodiment of the present application.
Reference numerals
1-seed bin connector, 2-card slot, 3-seed separating buffer limiter, 31-screw through hole, 32-hole, 4-pin through hole, 5-input hole, 6-separator shell, 7-quantitative separator, 71-groove, 72-central shaft, 73-separator through hole, 8-control system bin, 9-GPS through hole, 10-power supply slot, 11-outer cover, 12-wiring channel, 13-support plate, 14-driving device, 141-output shaft and 15-shell through hole.
Detailed Description
The following description of specific embodiments of the present application refers to the accompanying drawings.
In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used only to indicate relative positional relationships between relevant portions, and do not limit absolute positions of the relevant portions.
In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate the degree and order of importance, the premise that each other exists, and the like.
In this context, "equal", "same", etc. are not strictly mathematical and/or geometric limitations, but also include tolerances as would be understood by a person skilled in the art and allowed for manufacturing or use, etc.
Unless otherwise indicated, numerical ranges herein include not only the entire range within its two endpoints, but also several sub-ranges subsumed therein.
The application provides an unmanned aerial vehicle smart volume seed sorting device, as shown in figure 1, including seed storehouse connector 1, quantitative separator 7 and control system storehouse 8, seed storehouse connector 1 is connected with the delivery port fastening in unmanned aerial vehicle seed storehouse, makes the seed in the unmanned aerial vehicle seed storehouse can slide down under the effect of gravity in the seed storehouse connector 1, there is separator shell 6 that comprises plastics or metal material at the bottom of seed storehouse connector 1 through solidification or screw fixed mounting, quantitative separator 7 rotates to be installed on separator shell 6 and corresponding with the input hole 5 that sets up on seed storehouse connector 1 for the seed flows in through input hole 5 quantitative separator 7 carries out quantitative separation, still install on separator shell 6 with drive arrangement 14 that quantitative separator 7 transmission is connected, the control system bin 8 is connected with the seed bin connector 1 and adjusts the rotating speed of the quantitative separator 7 by controlling the driving device 14.
The application discloses smart volume of unmanned aerial vehicle divides kind device receives the seed that comes from in the unmanned aerial vehicle seed storehouse through seed storehouse connector 1, then carry the seed to quantitative separator 7 through input hole 5 and carry out the ration and separate, make unmanned aerial vehicle in the operation process of broadcasting on the air operating personnel can be through adjusting the unmanned aerial vehicle speed of a ship or through the rotational speed of control system storehouse 8 adjustment quantitative separator 7, can realize that 0.5-3m interval divides batch and separates and output 2-4 seeds discontinuously, realize the purpose of smart volume branch kind and quantitative seeding, saved and broadcast afforestation or other plant seeds quantity about 80%, engineering cost is reduced.
In an embodiment of the present application, as shown in fig. 1 and fig. 2, the seed bin connector 1 is a disc-shaped structure, the height of the vertical face of the seed bin connector 1 can be 15mm, the thickness can be 5-8mm, the input hole 5 is located at the edge of the disc-shaped structure and is arranged right above the quantitative separator 7, a plurality of clamping grooves 2 are arranged on the side vertical face of the seed bin connector 1, the seed bin connector 1 is close to the pin through hole 4 of the mountable movable pin on the side vertical face of the input hole 5, the seed bin connector 1 is spirally clamped by the clamping grooves 2 and the outlet of the unmanned aerial vehicle seed bin, and the locking is realized by the pin through hole 4 and the movable pin in a limit fit manner, so as to prevent the seed bin connector 1 from falling off.
Alternatively, the input hole 5 may be a rectangular hole with a length of 20mm and a width of 10mm, and the seeds flow from the seed bin connector 1 through the input hole 5 to the upper part of the quantitative separator under the action of gravity.
In an embodiment of this application, as shown in fig. 1-3, the smart volume of unmanned aerial vehicle of this application divides kind of device still includes kind of a seed buffering stopper 3, divide kind of a seed buffering stopper 3 to install on the seed storehouse connector 1 and with the adjacent setting in input hole 5 divide and be provided with the brush of being made by polymer nylon material on the kind of a seed buffering stopper 3, the brush is used for preventing the seed from passing through in input hole 5 drops in a large number and gets into quantitative separator 7's recess 71, prevents that the seed from blockking up.
Alternatively, as shown in fig. 3, the seed separation buffer limiter 3 may be a long rectangle, the length of the long rectangle may be 40mm, the width of the long rectangle may be 10mm, and the thickness of the long rectangle may be 5-6mm, two screw through holes 31 are respectively provided at both sides of the seed separation buffer limiter 3, and the seed separation buffer limiter 3 is vertically fixed at one side of the input hole through the screw through holes 31 and screws. Wherein, the position of branch kind buffering stopper 3 can be adjusted, and the adjustment mode mainly is adjusted through the position removal of fixed screw, simultaneously branch kind buffering stopper 3 with the part that the hole of input hole 5 covered mutually is provided with a plurality of regular spread's hole 32, hole 32 can keep seed storehouse connector 1 with atmospheric pressure in the quantitative separator 7 is unanimous basically, prevents quantitative separator 7 produces the negative pressure in the operation process, influences the seed landing, and is preferred, is being close to be provided with the brush hair of nylon in the first row of hole 32 of input hole 5, and the brush hair is deep into the upper portion of quantitative separator 7 and keeps 3-5 mm's distance.
In one embodiment of the present application, as shown in fig. 2, 4 and 5, the quantitative separator 7 is fixedly installed under the input hole 5 of the seed bin connector 1 by means of a separator housing 6 in a curing or screwing manner, specifically, the quantitative separator 7 may be a cylindrical circular turntable, a plurality of grooves 71 are arranged on the outer edge side wall of the quantitative separator 7 at intervals in parallel, a central shaft 72 is arranged at the center of the quantitative separator 7, the central shaft 72 is a cylinder, a six-diamond separator through hole 73 is arranged inside the central shaft 72, the separator through hole 73 is in transmission connection with the driving device 14 through a six-diamond bolt and a housing through hole 15 arranged on the separator housing 6, so as to be able to rotate under the control of the control system bin, the quantitative separator 7 of the present application can ensure that seeds fall smoothly, but also can accurately and quantitatively separate seeds according to the given required rotating speed.
Alternatively, the quantitative separator 7 may be a circular turntable with a thickness of 15mm, 4 to 6U-shaped grooves 71 are provided on the outer peripheral side wall of the quantitative separator 7, the depth of the groove 71 may be 5mm, and the length may be 10 mm.
In one embodiment of the present application, as shown in fig. 2 and 5, the driving device 14 is fixedly installed on the separator housing 6, an all-metal high-torque motor is used as a power system for seed separation, the power system is precisely controlled by the control system bin 8, an output shaft 141 is provided on the driving device 14, and the central rotating shaft 72 of the quantitative separator 7 is connected with the output shaft 141 through the housing through hole 15 and the six-diamond bolt, so that the quantitative separator 7 can rotate under the action of the driving device 14. The application of quantitative separator 7 under operating condition, with center pin 72 is in as the center anticlockwise rotates under drive arrangement 14's the drive, simultaneously, through recess 71 is taken away the seed, rotates to separator shell 6's lower part hole gets into an unmanned aerial vehicle jettison device and launches by gravity roll-off shell.
In an embodiment of the present application, as shown in fig. 1 and fig. 2, a wiring channel 12 is provided on the seed bin connector 1, the wiring channel 12 is a long hollow protruding pipe between the seed bin connector 1 and the control system bin 8, the wiring channel 12 is made of plastic and is cured at the bottom of the seed bin connector 1, and components such as a signal line and a power line of the driving device 14 are introduced into the control system bin 8 through the wiring channel 12, so that the control system bin 8 is highly reliable and beautiful.
In an embodiment of the present application, as shown in fig. 1 and fig. 2, a seed separation control board, a power board, a motor driving board and other components are integrated inside the control system cabin 8, wherein the motor driving board is disposed inside the control system cabin 8 in a limited manner through a supporting board 13, the supporting board 13 is further used for fixing the power board, a GPS through hole 9 and a power slot 10 are disposed on a side wall of the control system cabin 8, an outer cover 11 for packaging the whole control system cabin 8 is disposed on the top of the control system cabin 8, and the outer cover 11 is located on the same horizontal plane as the top of the seed cabin connector 1.
The application discloses smart volume of unmanned aerial vehicle divides kind device is under operating condition, and the seed is followed the seed storehouse landing and is got into in the seed storehouse connector 1, through input hole 5 entering quantitative separator 7, can realize seed ration, divide batch, discontinuity through the rotational speed of regulation and control drive arrangement 14 and separate and output the seed, realize smart volume branch kind, the purpose of quantitative seeding, saved the flying seeding afforestation or other plant seeds quantity, reduced the cost of flying seeding afforestation and other seeding planting engineering.
Certainly, it easily thinks that the smart volume of unmanned aerial vehicle of this application divides kind device also can combine together with dark pine plough or other seeding machinery, through the specification size of the recess 71 of design ration separator 7 and the clearance of the brush of branch kind buffering stopper 3, realizes the ration, the batch number seeding to cistanche seeds and cynomorium songaricum seed etc to realize the inoculation work to shuttle and white thorn, make the use amount of seed obtain effective control, practice thrift the seed, reduce the inoculation cost.
The preferred embodiments and examples of the present application have been described in detail with reference to the accompanying drawings, but the present application is not limited to the embodiments and examples described above, and various changes can be made within the knowledge of those skilled in the art without departing from the concept of the present application.
Claims (9)
1. The precise seed separating device of the unmanned aerial vehicle is characterized by comprising a seed bin connector (1), a quantitative separator (7) and a control system bin (8), wherein the seed bin connector (1) is fixedly connected with a bin outlet of an unmanned aerial vehicle seed bin, so that seeds in the unmanned aerial vehicle seed bin slide down under the action of gravity in the seed bin connector (1), a separator shell (6) is installed at the bottom of the seed bin connector (1), the quantitative separator (7) is rotatably installed on the separator shell (6) and corresponds to an input hole (5) formed in the seed bin connector (1), so that the seeds flow into the quantitative separator (7) through the input hole (5) to be subjected to quantitative separation, and a driving device (14) in transmission connection with the quantitative separator (7) is further installed on the separator shell (6), the control system bin (8) is connected with the seed bin connector (1) and adjusts the rotating speed of the quantitative separator (7) by controlling the driving device (14);
still include seed separation buffering stopper (3), seed separation buffering stopper (3) are installed on seed storehouse connector (1) and with input hole (5) adjacent setting seed separation buffering stopper (3) with the part that the hole of input hole (5) covered mutually is provided with a plurality of regular spread's hole (32), is being close to be provided with the brush hair in first row hole (32) of input hole (5), and the brush hair is deep into the upper portion of quantitative separator (7) and keeps 3-5 mm's distance.
2. The unmanned aerial vehicle precision seed separating device according to claim 1, wherein the seed bin connector (1) is a disc-shaped structure, the input hole (5) is located at the edge of the disc-shaped structure and is arranged right above the quantitative separator (7), a plurality of clamping grooves (2) are arranged on the side vertical face of the seed bin connector (1), a pin through hole (4) is arranged on the side vertical face of the seed bin connector (1) close to the input hole (5), the seed bin connector (1) is spirally clamped with the outlet of the unmanned aerial vehicle seed bin through the clamping grooves (2), and the clamping and locking are realized through the pin through hole (4) and a movable pin in limit fit.
3. The unmanned aerial vehicle precision seed separating device according to claim 2, wherein the vertical surface height of the seed bin connector (1) is 15mm, the thickness is 5-8mm, and the input hole (5) is a rectangular hole with the length of 20mm and the width of 10 mm.
4. The precise seed separating device for the unmanned aerial vehicle as claimed in claim 1, wherein the seed separating buffer limiter (3) is a long rectangle with a length of 40mm, a width of 10mm and a thickness of 5-6mm, two screw through holes (31) are respectively arranged on two sides of the seed separating buffer limiter (3), and the seed separating buffer limiter (3) is vertically fixed on one side of the input hole through the screw through holes (31) and screws.
5. The precise unmanned aerial vehicle seed separating device according to claim 1, wherein the quantitative separator (7) is fixedly installed under the input hole (5) of the seed bin connector (1) through a separator shell (6), a plurality of grooves (71) are arranged on the outer edge side wall of the quantitative separator (7) at intervals in parallel, a central shaft (72) is arranged at the center of the quantitative separator (7), the central shaft (72) is a cylinder, six-diamond-shaped separator through holes (73) are arranged in the central shaft (72), and the separator through holes (73) are in transmission connection with the driving device (14) through six-diamond-shaped bolts and shell through holes (15) arranged on the separator shell (6).
6. The unmanned aerial vehicle precision seed separating device according to claim 5, wherein the quantitative separator (7) is a circular turntable with a thickness of 15mm, 4-6U-shaped grooves (71) are arranged on the outer edge side wall of the quantitative separator (7), the depth of each groove (71) is 5mm, and the length of each groove is 10 mm.
7. The unmanned aerial vehicle precision seed separating device according to claim 1, wherein the driving device (14) is fixedly installed on the separator shell (6), an output shaft (141) is arranged on the driving device (14), and a central shaft (72) of the quantitative separator (7) is connected with the output shaft (141) through a shell through hole (15) and a six-diamond bolt, so that the quantitative separator (7) can rotate under the action of the driving device (14).
8. The unmanned aerial vehicle precision seed separating device according to claim 1, characterized in that a wiring channel (12) is arranged on the seed bin connector (1), the wiring channel (12) is a long protruding hollow tube arranged between the seed bin connector (1) and the control system bin (8), the wiring channel (12) is made of plastic and is solidified at the bottom of the seed bin connector (1), and a signal line and a power line of the driving device (14) are transmitted into the control system bin (8) through the wiring channel (12).
9. The precise seed separating device for the unmanned aerial vehicle as claimed in claim 1, wherein a seed separating control board, a power board and a motor driving board are integrated inside the control system bin (8), the motor driving board is arranged in the control system bin (8) in a limiting mode through a supporting board (13), the supporting board (13) is used for fixing the power board, a GPS through hole (9) and a power slot (10) are formed in the side wall of the control system bin (8), an outer cover (11) for packaging the whole control system bin (8) is arranged at the top of the control system bin (8), and the outer cover (11) and the top of the seed bin connector (1) are located on the same horizontal plane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261493.3A CN111114777B (en) | 2019-12-10 | 2019-12-10 | Smart volume seed separating device of unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261493.3A CN111114777B (en) | 2019-12-10 | 2019-12-10 | Smart volume seed separating device of unmanned aerial vehicle |
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| CN111114777A CN111114777A (en) | 2020-05-08 |
| CN111114777B true CN111114777B (en) | 2021-08-24 |
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| CN201911261493.3A Active CN111114777B (en) | 2019-12-10 | 2019-12-10 | Smart volume seed separating device of unmanned aerial vehicle |
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| CN206851334U (en) * | 2017-06-26 | 2018-01-09 | 华南农业大学 | A kind of rice precise direct-seeding cavitation device |
| CN107646256A (en) * | 2017-09-29 | 2018-02-02 | 成都市宏德永兴养殖有限公司 | With dig, the seeding apparatus of soil-crushing function |
| CN108207208A (en) * | 2018-01-26 | 2018-06-29 | 湖州职业技术学院 | A kind of rice paddy seed rotation transmitting device |
| CN108243682A (en) * | 2018-03-01 | 2018-07-06 | 山东省农业机械科学研究院 | A kind of groundnut planter |
| CN110226391A (en) * | 2018-03-06 | 2019-09-13 | 宁夏洪栋农业机械有限公司 | A kind of disc type rice precision drill using injection molding |
| CN208931642U (en) * | 2018-09-12 | 2019-06-04 | 新乡市昌杰农业机械有限公司 | A kind of agricultural unmanned plane that can uniformly sow |
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