CN204721834U - Novel precision seeder machine - Google Patents
Novel precision seeder machine Download PDFInfo
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- CN204721834U CN204721834U CN201520364528.7U CN201520364528U CN204721834U CN 204721834 U CN204721834 U CN 204721834U CN 201520364528 U CN201520364528 U CN 201520364528U CN 204721834 U CN204721834 U CN 204721834U
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Abstract
The utility model relates to a kind of novel precision seeder machine, comprise cave dish, transmission mechanism, for kind of a mechanism, inhale feed mechanism and intelligent controller, described intelligent controller coordinated signals transmission mechanism, confession are planted mechanism and are inhaled the action of feed mechanism, realize precision seeder.Compared with prior art, the utility model passes through intelligent controller, to the transmission mechanism of complete machine, control accurately for kind of mechanism and each action of inhaling feed mechanism, the disposable sowing of whole dish can be realized, not only can reach single grain fine sowing, and improve sowing efficiency greatly, reach energy-saving kind, good stability, leak kind and replay rate low, the seed of proportion of crop planting is evenly distributed, joint kind of high yield.And the utility model for different crops seed and planting scale, by changing the suction kind head above cave dish and adjustment suction kind of plate, can reach high-adaptability, enhancing productivity.
Description
Technical field
The utility model relates to a kind of sower, especially relates to a kind of novel precision seeder machine, belongs to agricultural planting sowing field.
Background technology
At present, the widely used sower of China, following a few class can be divided into: (1) one is common bar kind machine, the sower of the types such as hill-drop planter, this kind of sower cannot carry out precise sowing to crop seeds, cause the waste of a large amount of expensive seed, and greatly unfavorable to later stage crop growth.(2) common precision planter, comprise the types such as mechanical type, pneumatic type and Electromagnetically vibrating, relatively save seed, but general efficiency is lower, and uneven sowing is even, accuracy is difficult to control, and to different crops seed bad adaptability, and cannot ensure that essence amount is sowed efficiently, therefore sow speed slow, inefficiency.
Present Global performance source and crisis in food increasingly serious; develop high-efficiency and precision sower more; for energy-saving kind; save labor cost; ensure that seedling is neat, seedling is strengthened and appropriate planting density; improve output simultaneously, have important practical significance, the difficult problem that when how to realize the sowing of high-efficiency and precision more, industry faces and the bottleneck of development.
Utility model content
The purpose of this utility model is exactly not good in order to overcome existing sower precision drilling, seed waste is more, efficiency is low, and poor etc. not enough to different crops seed adaptability, and provides a kind of novel precision seeder machine, this precision planter not only Precision Seeding effect is better, can reach simple grain list bunch planting kind, sowing efficiency is high, Precision Seeding stable performance, and for different seed strong adaptability, be applicable to the sowing of multiple kinds of crops precise high-efficiency.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of novel precision seeder machine, comprises cave dish, transmission mechanism, for kind of a mechanism, inhales feed mechanism and intelligent controller, wherein,
Described transmission mechanism comprises frame, the driving-belt be arranged in frame, drive the stepper motor of driving-belt transmission, and described cave dish is positioned on driving-belt, moves with driving-belt;
Described comprise for kind of mechanism the seed-box that holds seed and drive the kind case electricity cylinder of seed-box linear reciprocation movement on the belt;
Described suction feed mechanism comprises to be inhaled kind of a plate, be arranged on the suction kind head below suction kind of plate and drive the electric cylinder of suction kind inhaled kind of plate and move back and forth up and down, suction kind electricity cylinder is provided with four, symmetry is fixedly mounted in frame, inhale kind of a plate and be arranged on suction kind electricity cylinder top, the specification that the layout of suction kind of head and quantity are coiled according to cave can correspondingly adjust;
Described intelligent controller coordinated signals stepper motor, plant case electricity cylinder and suction kind electricity cylinder, when seed-box moves to below suction kind of plate, intelligent controller controls suction kind electricity cylinder and drives suction kind of a plate to move down, and control suction kind of head holds the seed in seed-box, controlling suction kind electricity cylinder subsequently drives suction kind of a plate to move up, planting case electricity cylinder drives seed-box from suction kind of a plate moved out from beneath, when cave dish moves to below suction kind of plate with driving-belt, intelligent controller controls suction kind electricity cylinder and drives suction kind of a plate to move down, and the seed held is discharged in the dish of cave by control suction kind of a head, driving-belt will be walked containing the dribbling of seed-bearing cave.
Described suction kind plate is provided with the first solenoid directional control valve, this the first electromagnetic switch valve air gate is connected with suction kind of a head, the two ends of the first described solenoid directional control valve air inlet are connected with malleation source of the gas and negative pressure source of the gas respectively, when inhaling the seed that kind of head is drawn in seed-box, the first described solenoid directional control valve is connected with negative pressure source of the gas, when inhaling kind of head and being discharged in the dish of cave by the seed held, the first described solenoid directional control valve is connected with malleation source of the gas.Described intelligent controller controls the time of malleation that the first solenoid directional control valve passes into and vacuum magnitude and malleation and negative pressure commutation, thus suction kind head can be made to complete the action of suction kind.
Described seed-box base plate offers several breeder tubes, second solenoid directional control valve is installed bottom described seed-box, this the second electromagnetic switch valve air gate is connected with the breeder tube of seed-box base plate, air inlet is connected with malleation source of the gas, make the seed in seed-box be in afloat by malleation, be beneficial to inhale and plant.
Described kind case electricity cylinder is fixed on support plate, described support plate passes through the ferropexy of bearing fixed angles in one end of frame, the movable end of this kind of case electricity cylinder is connected with seed-box, roller is provided with below seed-box, this roller-coaster on the belt, control kind of a case electricity cylinder stretching motion by intelligent controller like this, seed-box can be made in frame to come and go rectilinear motion.
The two ends of described frame are provided with power transmission shaft, and described driving-belt is enclosed within two power transmission shafts, and described stepper motor drives drive axis by chain-drive mechanism.
Described frame is provided with photoelectric sensor, be positioned at the below of inhaling kind of plate, and photoelectric sensor is connected with intelligent controller, photoelectric sensor detects the position of cave dish, and feed back to intelligent controller, intelligent controller coordinated signals stepper motor, kind case electricity cylinder and suction kind electricity cylinder, realize precision seeder.
The lower end of described frame arranges the frame leg for adjusting height, and adjustment frame leg makes frame ensure balance and stability.
Described intelligent controller is arranged in frame, and intelligent controller is provided with battery main switch.Intelligent controller carries out the effect precisely controlled to each action of complete machine.
In the utility model, can move back and forth on transmission mechanism for the seed-box in kind of mechanism, intermittence provides seed to suction feed mechanism, inhale feed mechanism by the first solenoid directional control valve control malleation and negative pressure constantly alternately and then complete and to inhale kind and seeding process, whole machine installation is in the frame of transmission mechanism, cave dish is transported by the driving-belt in frame, and by photoelectric sensor detection and location, the disposable sowing of whole dish can be realized, wherein, for planting mechanism and inhaling feed mechanism by electric cylinder or pneumatic actuation, conveyer belt is driven by stepper motor by Chain conveyer, complete machine realizes precisely controlling by intelligent controller, the efficient sowing of essence amount can be reached.
Compared with prior art, the utility model passes through intelligent controller, to the transmission mechanism of complete machine, control accurately for kind of mechanism and each action of inhaling feed mechanism, the disposable sowing of whole dish can be realized, not only can reach single grain fine sowing, and improve sowing efficiency greatly, reach energy-saving kind, good stability, leak kind and replay rate low, the seed of proportion of crop planting is evenly distributed, joint kind of high yield.And the utility model for different crops seed and planting scale, by changing the suction kind head above cave dish and adjustment suction kind of plate, can reach high-adaptability, enhancing productivity.
Accompanying drawing explanation
Fig. 1 is the suction kind stage main TV structure schematic diagram of the utility model novel precision seeder machine;
Fig. 2 is the suction kind stage plan structure schematic diagram of the novel precision seeder machine of the utility model;
Fig. 3 is the main TV structure schematic diagram of sowing stage of the utility model novel precision seeder machine;
Fig. 4 is the sowing stage plan structure schematic diagram of the novel precision seeder machine of the utility model;
Fig. 5 is the main TV structure schematic diagram of the utility model novel precision seeder machine support plate structure;
Label in Fig. 1-5: 1. frame leg, 2. battery main switch, 3. stepper motor, 4. chain-drive mechanism, 5. power transmission shaft, 6. frame, 7. intelligent controller, 8. suction kind electricity cylinder, 9. inhale kind of plate, 10. first solenoid directional control valve, 11. inhale kind of a head, 12. seeds, 13. seed-boxes, 14. rollers, 15. second solenoid directional control valves, 16. cave dishes, 17. kinds of case electricity cylinders, 18. support plates, angle bar fixed by 19. bearings, 20. driving-belts.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
A kind of novel precision seeder machine, as shown in Figure 1 to 4, comprises cave dish 16, transmission mechanism, for kind of a mechanism, inhales feed mechanism and intelligent controller 7, wherein,
Transmission mechanism comprises frame 6, the two ends of frame 6 are provided with power transmission shaft 5, driving-belt 20 is enclosed within two power transmission shafts 5, stepper motor 3 drives power transmission shaft 5 to rotate by chain-drive mechanism 4, cave dish 16 is positioned on driving-belt 20, move with driving-belt 20, the lower end of frame 6 arranges the frame leg 1 for adjusting height, and adjustment frame leg 1 makes frame 6 ensure balance and stability.Stepper motor 3 realizes the rotating of certain speed under the control of intelligent controller 7.Transmission mechanism mainly plays the function of supportive body and transport cave dish 16 in the utility model.
The seed-box 13 holding seed 12 and the kind case driving seed-box 13 linear reciprocation movement on driving-belt 20 electricity cylinder 17 is comprised for kind of mechanism; Seed-box 13 base plate offers several breeder tubes, the diameter of aperture is less than the diameter of the seed wanting Precision Seeding, second solenoid directional control valve 15 is installed bottom seed-box 13, this the second solenoid directional control valve 15 gas outlet is connected with the breeder tube of seed-box 13 base plate, air inlet is connected with malleation source of the gas, make the seed 12 in seed-box 13 be in afloat by malleation, be beneficial to follow-up suction kind.Planting case electricity cylinder 17 is fixed on support plate 18, support plate 18 as shown in Figure 5, support plate 18 fixes by bearing one end that angle bar 19 is fixed on frame 6, the movable end of this kind of case electricity cylinder 17 is connected with seed-box 13, below seed-box 13, be provided with roller 14, this roller 14 slides on driving-belt 20, controls kind of case electricity cylinder 17 stretching motion like this by intelligent controller 7, seed-box 13 can be made in frame 6 to come and go rectilinear motion, thus realize the function for planting.
Inhale feed mechanism to comprise and inhale kind of a plate 9, be arranged on and inhale suction kind below kind of plate 9 11 and drive the suction kind electricity cylinder 8 inhaled kind of plate 9 and move back and forth up and down, suction kind electricity cylinder 8 is provided with four, symmetry is fixedly mounted in frame 6, inhale kind of a plate 9 and be arranged on suction kind electricity cylinder 8 top, layout and the quantity of to inhale kind 11 can correspondingly adjust according to the specification of cave dish 16; Inhale kind of a plate 9 and be provided with the first solenoid directional control valve 10, this the first solenoid directional control valve 10 gas outlet and inhale kinds 11 and be connected, the two ends of the first solenoid directional control valve 10 air inlet are connected with malleation source of the gas and negative pressure source of the gas respectively, when inhaling the seed in kind of a 11 absorption seed-box 13, first solenoid directional control valve 10 is connected with negative pressure source of the gas, when inhaling kinds 11 and being discharged in cave dish 16 by the seed held, the first solenoid directional control valve 10 is connected with malleation source of the gas.Intelligent controller 7 controls the time of malleation that the first solenoid directional control valve 10 passes into and vacuum magnitude and malleation and negative pressure commutation, thus suction kind 11 can be made to complete the action of suction kind.
Intelligent controller 7 is arranged in frame 6, and intelligent controller 7 is provided with battery main switch 2.Intelligent controller 7 coordinated signals stepper motor 3, plant case electricity cylinder 17 and suction kind electricity cylinder 8, when seed-box 13 moves to below suction kind of plate 9, intelligent controller 7 controls suction kind electricity cylinder 8 and drives suction kind of a plate 9 to move down, and control to inhale kinds 11 and hold seed in seed-box 13, controlling suction kind electricity cylinder 8 subsequently drives suction kind of a plate 9 to move up, planting case electricity cylinder 17 drives seed-box 13 from suction kind of plate 9 moved out from beneath, when cave dish 16 moves to below suction kind of plate 9 with driving-belt 20, intelligent controller 7 controls suction kind electricity cylinder 8 and drives suction kind of a plate 9 to move down, and control to inhale kinds 11 the seed held is discharged in cave dish 16, cave dish 16 containing seed 12 is taken away by driving-belt 20.Intelligent controller 7 plays effect the utility model action everywhere being realized to cooperation control accurately.
Frame 6 is provided with photoelectric sensor (not shown in FIG.), be positioned at the below of inhaling kind of plate 9, and photoelectric sensor is connected with intelligent controller 7, photoelectric sensor detects the position of cave dish 16, and feed back to intelligent controller 7, intelligent controller 7 coordinated signals stepper motor 3, kind case electricity cylinder 17 and suction kind electricity cylinder 8, realize precision seeder.
Operation principle of the present utility model: novel precision seeder machine uses 220V common voltage to power to complete machine, operating personnel are first opening power master switch 2 when operating, then the stepper motor 3 being controlled transmission mechanism by intelligent controller 7 is started with certain rotating speed, simultaneously according to the gait of march of cave dish 16 on driving-belt 20, control good corresponding seed-box 13 shuttle speed of the positive and negative adjustment of rotational speed of kind of case electricity cylinder 17 and control suction kind electricity cylinder 8 to adjust and inhale moving up and down of kind of plate 9, cave coils 16 on driving-belt 20 with driving-belt 20 uniform motion.Complete precise sowing to need to carry out suction kind and two stages of seeding, in whole process, all logical malleation of the second solenoid directional control valve 15, makes the seed 12 in seed-box 13 be in afloat, is beneficial to follow-up suction kind.In suction kind of the stage, first solenoid directional control valve 10 leads to negative pressure, make the suction kind 11 generation suction on suction kind plate 9, the seed-box 13 that intelligent controller 7 controls to be equipped with seed 12 by kind of case electricity cylinder 17 comes and goes rectilinear motion with certain cycle in frame 6, intelligent controller 7 is moved up and down with some cycles by suction kind electricity cylinder 8 control suction kind of a plate 9 simultaneously, stop when seed-box 13 moves to and inhales immediately below kind of plate 9, suction kind of a plate 9 declines and just drops on seed-box 13 top, inhale kinds 11 to start to inhale kind of an action, inhale after planting, inhale kind of a plate 9 to rise, then seed-box 13 returns, thus complete suction kind of a stage, in the seeding stage, when cave dish 16 runs to position immediately below suction kind of plate, photoelectric sensor produces signal, feed back to intelligent controller 7, control step motor 3 shuts down, now inhale kind of a plate 9 to decline, inhale suction kind that kind of plate 9 installs 11 above just in time to aim at cave and coil hole on 16, when inhaling the hole of kind of a 11 reeve cave dish 16, the first solenoid directional control valve 10 is logical malleation at once, carries out seeding, then inhale kind of a plate 9 to rise, stepper motor 3 starts simultaneously, and cave dish 16 continues to run with conveyer belt 20, completes sowing stage.When inhaling kind of a plate 9 and rising to peak, the first solenoid directional control valve 10 leads to negative pressure, circulates the next precise sowing cycle.
With reference to figure 1, after completing whole suction kind and seeding stage, cave dish 16 moves to follow-up covering device and watering device along with conveyer belt 20, carries out earthing and watering operates, thus completes whole precision seeder.
Above-mentioned is can understand for ease of those skilled in the art and use utility model to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art, according to announcement of the present utility model, do not depart from improvement that the utility model category makes and amendment all should within protection domain of the present utility model.
Claims (9)
1. a novel precision seeder machine, is characterized in that, comprises cave dish (16), transmission mechanism, for kind of a mechanism, inhales feed mechanism and intelligent controller (7), wherein,
Described transmission mechanism comprises frame (6), the driving-belt (20) be arranged in frame (6), drive the stepper motor (3) of driving-belt (20) transmission, described cave dish (16) is positioned on driving-belt (20), moves with driving-belt (20);
Described comprise for kind of mechanism the seed-box (13) that holds seed (12) and drive seed-box (13) at kind case electricity cylinder (17) of the upper linear reciprocation movement of driving-belt (20);
Described suction feed mechanism comprises suction kind of a plate (9), is arranged on suction kind head (11), drive suction kind of the suction kind that plate (9) moves back and forth up and down electricity cylinder (8) of inhaling below kind of plate (9);
Described intelligent controller (7) coordinated signals stepper motor (3), plant case electricity cylinder (17) and suction kind electricity cylinder (8), when seed-box (13) moves to below suction kind of plate (9), intelligent controller (7) controls suction kind electricity cylinder (8) and drives suction kind of a plate (9) to move down, and control suction kind of head (11) holds the seed in seed-box (13), controlling suction kind electricity cylinder (8) subsequently drives suction kind of a plate (9) to move up, planting case electricity cylinder (17) drives seed-box (13) from suction kind of plate (9) moved out from beneath, when cave dish (16) moves to below suction kind of plate (9) with driving-belt (20), intelligent controller (7) controls suction kind electricity cylinder (8) and drives suction kind of a plate (9) to move down, and the seed held is discharged in cave dish (16) by control suction kind of a head (11), cave dish (16) containing seed (12) is taken away by driving-belt (20).
2. the novel precision seeder machine of one according to claim 1, it is characterized in that, described suction kind plate (9) is provided with the first solenoid directional control valve (10), this the first solenoid directional control valve (10) gas outlet is connected with suction kind of a head (11), the two ends of described the first solenoid directional control valve (10) air inlet are connected with malleation source of the gas and negative pressure source of the gas respectively, and described intelligent controller (7) controls the time of malleation that the first solenoid directional control valve (10) passes into and vacuum magnitude and malleation and negative pressure commutation.
3. the novel precision seeder machine of one according to claim 2, it is characterized in that, when inhaling kind of a head (11) and drawing the seed in seed-box (13), described the first solenoid directional control valve (10) is connected with negative pressure source of the gas, when inhaling kind of a head (11) and being discharged in cave dish (16) by the seed held, described the first solenoid directional control valve (10) is connected with malleation source of the gas.
4. the novel precision seeder machine of one according to claim 1, it is characterized in that, described seed-box (13) base plate offers several breeder tubes, described seed-box (13) bottom is provided with the second solenoid directional control valve (15), this the second solenoid directional control valve (15) gas outlet is connected with the breeder tube of seed-box (13) base plate, air inlet is connected with malleation source of the gas, makes the seed (12) in seed-box (13) be in afloat by malleation.
5. the novel precision seeder machine of one according to claim 1, it is characterized in that, described kind case electricity cylinder (17) is fixed on one end of frame (6) by support plate (18), the movable end of this kind of case electricity cylinder (17) is connected with seed-box (13), seed-box (13) below is provided with roller (14), and this roller (14) slides on driving-belt (20).
6. the novel precision seeder machine of one according to claim 1, it is characterized in that, the two ends of described frame (6) are provided with power transmission shaft (5), described driving-belt (20) is enclosed within two power transmission shafts (5), and described stepper motor (3) drives power transmission shaft (5) to rotate by chain-drive mechanism (4).
7. the novel precision seeder machine of one according to claim 1, it is characterized in that, described frame (6) is provided with photoelectric sensor, be positioned at and inhale kind of a below for plate (9), and photoelectric sensor is connected with intelligent controller (7), photoelectric sensor detects the position in cave dish (16), and feed back to intelligent controller (7), intelligent controller (7) coordinated signals stepper motor (3), kind case electricity cylinder (17) and suction kind electricity cylinder (8), realize precision seeder.
8. the novel precision seeder machine of one according to claim 1, is characterized in that, the lower end of described frame (6) arranges the frame leg (1) for adjusting height.
9. the novel precision seeder machine of one according to claim 1, it is characterized in that, described intelligent controller (7) is arranged in frame (6), and intelligent controller (7) is provided with battery main switch (2).
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| CN201520364528.7U CN204721834U (en) | 2015-05-30 | 2015-05-30 | Novel precision seeder machine |
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| CN201520364528.7U CN204721834U (en) | 2015-05-30 | 2015-05-30 | Novel precision seeder machine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885659A (en) * | 2015-05-30 | 2015-09-09 | 同济大学 | Novel precision tray seeder |
| CN105659991A (en) * | 2016-02-03 | 2016-06-15 | 黑龙江省水田机械化研究所 | Vibrating-type combined hole tray seeder achieving negative pressure seed sucking and positive pressure seed discharging |
| CN107360761A (en) * | 2017-07-12 | 2017-11-21 | 江苏农林职业技术学院 | A kind of plug-in intelligence precision drilling equipment and sowing control method |
| CN107896588A (en) * | 2017-12-29 | 2018-04-13 | 山东农业大学 | The accurate collection row's device of seed aspiration and its method of work with leakage kind detection function |
| CN112425325A (en) * | 2020-12-11 | 2021-03-02 | 岳西神农氏农业科技有限公司 | Seed storage part |
| CN112438098A (en) * | 2020-12-11 | 2021-03-05 | 岳西神农氏农业科技有限公司 | Sowing implement |
| CN112586137A (en) * | 2020-12-11 | 2021-04-02 | 岳西神农氏农业科技有限公司 | Sowing method |
| CN113016285A (en) * | 2021-03-12 | 2021-06-25 | 玉林市农业科学院(广西农业科学院玉林分院) | Operation platform system suitable for agricultural precision seeding and seedling raising |
| WO2022183523A1 (en) * | 2021-03-04 | 2022-09-09 | 江苏大学 | Multi-component coordinated motion control device and method for air vibration type precision seeding assembly line |
| JP2023512377A (en) * | 2021-03-04 | 2023-03-27 | 江▲蘇▼大学 | CONTROL DEVICE AND METHOD FOR MULTI-MEMBER COORDINATE OPERATION OF AIR VIBRATION PRECISION SEEDING LINE |
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2015
- 2015-05-30 CN CN201520364528.7U patent/CN204721834U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104885659A (en) * | 2015-05-30 | 2015-09-09 | 同济大学 | Novel precision tray seeder |
| CN105659991A (en) * | 2016-02-03 | 2016-06-15 | 黑龙江省水田机械化研究所 | Vibrating-type combined hole tray seeder achieving negative pressure seed sucking and positive pressure seed discharging |
| CN107360761A (en) * | 2017-07-12 | 2017-11-21 | 江苏农林职业技术学院 | A kind of plug-in intelligence precision drilling equipment and sowing control method |
| CN107896588A (en) * | 2017-12-29 | 2018-04-13 | 山东农业大学 | The accurate collection row's device of seed aspiration and its method of work with leakage kind detection function |
| CN112425325A (en) * | 2020-12-11 | 2021-03-02 | 岳西神农氏农业科技有限公司 | Seed storage part |
| CN112438098A (en) * | 2020-12-11 | 2021-03-05 | 岳西神农氏农业科技有限公司 | Sowing implement |
| CN112586137A (en) * | 2020-12-11 | 2021-04-02 | 岳西神农氏农业科技有限公司 | Sowing method |
| WO2022183523A1 (en) * | 2021-03-04 | 2022-09-09 | 江苏大学 | Multi-component coordinated motion control device and method for air vibration type precision seeding assembly line |
| JP2023512377A (en) * | 2021-03-04 | 2023-03-27 | 江▲蘇▼大学 | CONTROL DEVICE AND METHOD FOR MULTI-MEMBER COORDINATE OPERATION OF AIR VIBRATION PRECISION SEEDING LINE |
| JP7296679B2 (en) | 2021-03-04 | 2023-06-23 | 江▲蘇▼大学 | Device for multi-member coordinated operation of pneumatic vibration type precision seeding line |
| GB2617814A (en) * | 2021-03-04 | 2023-10-25 | Univ Jiangsu | Multi-component coordinated motion control device and method for air vibration type precision seeding assembly line |
| CN113016285A (en) * | 2021-03-12 | 2021-06-25 | 玉林市农业科学院(广西农业科学院玉林分院) | Operation platform system suitable for agricultural precision seeding and seedling raising |
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| CF01 | Termination of patent right due to non-payment of annual fee |