Forestry unmanned aerial vehicle precise seeding device

Through the motor-driven material control and conveying mechanism, combined with the feeding roller and spiral blade, the seed loading and blockage problems of the existing drone seeding device are solved, and the precise sowing of forestry drones is achieved, and the work efficiency and convenience of use are improved.

CN223080510UActive Publication Date: 2025-07-11河南省林业资源监测院 +1
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Patent Information

Application Number
CN202422332824.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-07-11
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

The existing drone seeding device needs to be separately charged for each seed box before working, which makes the operation time-consuming and labor-intensive and prone to clogging, affecting work efficiency and convenience of use.

Method used

The motor-driven material control mechanism and conveying mechanism are adopted. Through the coordination of the material loading rollers and the material loading plates and spiral blades, the seed loading and constant speed sowing are realized, and the seed weight is monitored in combination with the pressure sensor to facilitate timely replenishment.

Benefits of technology

Centralized loading of seeds and constant speed controlled seeding are achieved, which avoids clogging of seed pipes, improves work efficiency, is easy to use, and can timely understand the seed volume to arrange supplements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of unmanned aerial vehicle seeding equipment, and particularly relates to a forestry unmanned aerial vehicle precise seeding device which comprises a seed storage box, a material control box and two conveying boxes are fixedly mounted at the bottom of the seed storage box, the adjacent sides of the two conveying boxes are fixedly connected with the material control box, and fixing boxes are fixedly mounted on the two sides of the material control box; a seeding pipe is arranged at the bottom of the control box, a motor is fixedly mounted on the right side of one fixed box, the left end of an output shaft of the motor is rotationally connected with the inner wall of the left side of the other fixed box, and a control mechanism is arranged between the motor and the seeding pipe; the top inner wall and the bottom inner wall of the conveying box are fixedly provided with the same partition plate. The seed sowing device is reasonable in design, by arranging the conveying mechanism and the quantity control mechanism, the purpose of quantity-controlled discharging of the sowing pipe can be achieved, then concentrated loading and constant-speed quantity-controlled sowing of seeds can be achieved, and the purposes of preventing the sowing pipe from being blocked and being convenient to use can be achieved.
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Description

Technical Field

[0001] This application relates to the technical field of drone seeding equipment, and in particular to a precise seeding device for forestry drones. Background Art

[0002] With the development of technology, drone technology has gradually matured. Currently, drones are involved in a relatively wide range of industries. Due to the large area of forestry, a large amount of manpower and material resources are required for manual forestry maintenance. Currently, drones are used in steps such as watering, seeding, and spraying pesticides within forestry, which can greatly improve efficiency. Sowing devices, water tanks, and other devices are installed on the drones.

[0003] Currently, a forestry drone seeding device announced in a Chinese patent with the publication number CN117480909A includes an adjustment frame, a drive shaft, a seed box, an adjustment disk, a lifting rod, a rack, a frame, and a lead screw. The frame is rotatably connected to the adjustment frame, the adjustment frame is rotatably connected to the drive shaft, a group of seed boxes and adjustment disks are arranged outside the drive shaft, the seed boxes are slidably connected to the adjustment frame and the drive shaft, and the drive shaft makes the distances between all seed boxes equal and adjustable. The adjustment disk is rotatably connected to the seed box, and the gear of the adjustment disk can adjust the seeding amount. A rack is arranged outside each seed box, the rack meshes with the gear of the adjustment disk, the rack is slidably connected to the lifting rod, the lifting rod is slidably connected to the adjustment frame, the adjustment frame is threadedly connected to the lead screw, and the lead screw is rotatably connected to the adjustment frame.

[0004] In actual use, it is found that in the existing drone seeding device, each seed box needs to be loaded separately before work, which is time-consuming and laborious. At the same time, the seed outlet is prone to blockage, and there are problems that seeds cannot be centrally loaded and evenly sown, resulting in affecting work efficiency and being inconvenient to use. Therefore, we propose a precise seeding device for forestry drones to solve the above problems. Summary of the Utility Model

[0005] The purpose of this application is to solve the disadvantages in the existing technology: seeds cannot be centrally loaded and evenly sown, resulting in affecting work efficiency and being inconvenient to use, and to propose a precise seeding device for forestry drones.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A forestry UAV precision seeding device comprises a seed storage box, a material control box and two conveying boxes are fixedly installed at the bottom of the seed storage box, adjacent sides of the two conveying boxes are fixedly connected to the material control box, fixed boxes are fixedly installed on both sides of the material control box, a sowing tube is arranged at the bottom of the material control box, a motor is fixedly installed on the right side of one fixed box, the left end of the motor output shaft is rotatably connected to the left inner wall of the other fixed box, and a material control mechanism is arranged between the motor and the sowing tube; the same partition is fixedly installed on the top inner wall and the bottom inner wall of the conveying box, a conveying mechanism is arranged between the partition and the corresponding conveying box, a rotating shaft is rotatably installed on the top of the fixed box, the top end of the rotating shaft extends into the corresponding conveying box, and the bottom end of the rotating shaft extends into the corresponding fixed box, a first gearing mechanism is arranged between the motor output shaft and the rotating shaft, a same feeding port is opened between the seed storage box and the conveying box, the feeding port is located on the inner side of the corresponding partition, and a same feeding port is opened between the conveying box and the material control box.

[0008] Preferably, the material control mechanism comprises a material-discharging roller and a material-discharging plate, the material-discharging roller is fixedly mounted on the output shaft of the motor, the material-discharging roller is located in the corresponding sowing tube, and the material-discharging plate is arranged on the material-discharging roller.

[0009] Preferably, the conveying mechanism includes a conveying shaft and a spiral blade. The two conveying boxes are rotatably installed with a conveying shaft on one side away from each other. The other end of the conveying shaft extends to the corresponding feed port. The conveying shaft is provided with a spiral blade. The spiral blade is located on the inner side of the corresponding partition. A second gear mechanism is provided between the conveying shaft and the rotating shaft.

[0010] Preferably, the first gear mechanism includes two first bevel gears and two second bevel gears, the motor output shaft is provided with two first bevel gears on a fixed sleeve, the two first bevel gears are respectively located in corresponding fixed boxes, the bottom end of the rotating shaft is provided with a second bevel gear on a fixed sleeve, and the second bevel gear is meshed with the corresponding first bevel gears.

[0011] Preferably, the second gear mechanism includes two third bevel gears and two fourth bevel gears, the third bevel gear is provided on the fixed sleeve at the top of the rotating shaft, and the fourth bevel gear is provided on the fixed sleeve on the conveying shaft. The fourth bevel gear is located outside the corresponding partition, and the third bevel gear is meshed with the corresponding fourth bevel gear.

[0012] Preferably, a pressure sensor is provided on the inner wall of the bottom of the seed storage box, and the pressure sensor is electrically connected to an external drone controller.

[0013] Preferably, drone connecting frames are fixedly installed on both sides of the seed storage box, and the drone connecting frames are compatible with the drone.

[0014] Preferably, a feed pipe is provided on the top of the seed storage box, and a sealing cover is provided on the feed pipe.

[0015] Beneficial effects of this application:

[0016] 1. Through the cooperation of the motor, two first bevel gears, two second bevel gears, the rotating shaft, two third bevel gears, two fourth bevel gears, the conveying shaft and the spiral blades, the motor can drive the spiral blades to rotate, and the seeds at the feeding port can be conveyed to the feeding port through the spiral blades, so as to achieve the purpose of uniformly feeding the material in the material control box;

[0017] 2. Through the cooperation of the motor, the feeding roller and the feeding plate, the motor can drive the feeding plate to rotate, and the seeds in the sowing tube can be fed out by the feeding plate in a controlled amount, so as to realize the purpose of controlled feeding of the sowing tube, and then the seeds can be centrally loaded and sown at a controlled speed, so as to avoid the blockage of the sowing tube and facilitate the use;

[0018] 3. Through the cooperation of the pressure sensor and the seed storage box, when the pressure sensor senses that the pressure value is lower than the set value, the information can be transmitted to the staff through the drone controller, which can facilitate the staff to timely understand the amount of seeds in the seed storage box and timely arrange the drone to land and replenish seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a precision seeding device for forestry UAV proposed in this application;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of a forestry UAV precision seeding device proposed in this application;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of a conveying mechanism of a precision seeding device for a forestry UAV proposed in this application;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the control mechanism of the precision seeding device of a forestry UAV proposed in this application.

[0023] In the figure: 1. Seed storage box; 2. Material control box; 3. Conveying box; 4. Fixed box; 5. Seeding pipe; 6. Motor; 7. Material dispensing roller; 8. Material dispensing plate; 9. Partition; 10. Conveying shaft; 11. Spiral blade; 12. Rotating shaft; 13. First bevel gear; 14. Second bevel gear; 15. Third bevel gear; 16. Fourth bevel gear; 17. Feeding port; 18. Feeding port; 19. Feeding pipe; 20. UAV connecting frame; 21. Pressure sensor. DETAILED DESCRIPTION

[0024] The technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts belong to the scope of protection of the present application.

[0025] Referring to Figures 1-4 , a precise seeding device for forestry drones, comprising a seed storage box 1. A material control box 2 and two conveying boxes 3 are fixedly installed at the bottom of the seed storage box 1. One side of the two adjacent conveying boxes 3 is fixedly connected to the material control box 2. Fixed boxes 4 are fixedly installed on both sides of the material control box 2. A seeding pipe 5 is arranged at the bottom of the material control box 2. A motor 6 is fixedly installed on the right side of one of the fixed boxes 4. The left end of the output shaft of the motor 6 is rotatably connected to the inner wall of the left side of the other fixed box 4. A material control mechanism is arranged between the motor 6 and the seeding pipe 5; the same partition 9 is fixedly installed on the inner wall of the top and the inner wall of the bottom of the conveying box 3. A conveying mechanism is arranged between the partition 9 and the corresponding conveying box 3. A rotating shaft 12 is rotatably installed on the top of the fixed box 4. The top end of the rotating shaft 12 extends into the corresponding conveying box 3, and the bottom end of the rotating shaft 12 extends into the corresponding fixed box 4. A first gear driving mechanism is arranged between the output shaft of the motor 6 and the rotating shaft 12. The same material discharging port 17 is opened between the seed storage box 1 and the conveying box 3. The material discharging port 17 is located inside the corresponding partition 9. The same feeding port 18 is opened between the conveying box 3 and the material control box 2.

[0026] In this embodiment, the material control mechanism includes a material dialing roller 7 and a material dialing plate 8. The material dialing roller 7 is fixedly installed on the output shaft of the motor 6. The material dialing roller 7 is located inside the corresponding seeding pipe 5. The material dialing plate 8 is arranged on the material dialing roller 7. By arranging the material control mechanism, the motor 6 can drive the material dialing plate 8 to rotate, and the seeds in the seeding pipe 5 can be quantitatively dialed out through the material dialing plate 8, and the purpose of quantitatively discharging materials from the seeding pipe 5 can be achieved.

[0027] In this embodiment, the conveying mechanism includes a conveying shaft 10 and a spiral blade 11. The conveying shafts 10 are rotatably installed on the mutually remote sides of the two conveying boxes 3. The other end of the conveying shaft 10 extends to the corresponding feeding port 18. The spiral blade 11 is arranged on the conveying shaft 10. The spiral blade 11 is located inside the corresponding partition 9. A second gear driving mechanism is arranged between the conveying shaft 10 and the rotating shaft 12. By arranging the conveying mechanism, the conveying shaft 10 can drive the spiral blade 11 to rotate, and the seeds at the material discharging port 17 can be conveyed to the feeding port 18 through the spiral blade 11, and the purpose of uniformly feeding materials into the material control box 2 can be achieved.

[0028] In this embodiment, the first gear driving mechanism includes two first bevel gears 13 and two second bevel gears 14. Two first bevel gears 13 are fixedly sleeved on the output shaft of the motor 6, and the two first bevel gears 13 are respectively located in the corresponding fixed boxes 4. The bottom end of the rotating shaft 12 is fixedly sleeved with a second bevel gear 14, and the second bevel gear 14 meshes with the corresponding first bevel gear 13. By providing the first gear driving mechanism, the output shaft of the motor 6 can drive the rotating shaft 12 to rotate.

[0029] In this embodiment, the second gear driving mechanism includes two third bevel gears 15 and two fourth bevel gears 16. The top end of the rotating shaft 12 is fixedly sleeved with a third bevel gear 15, and the conveying shaft 10 is fixedly sleeved with a fourth bevel gear 16. The fourth bevel gear 16 is located outside the corresponding partition 9, and the third bevel gear 15 meshes with the corresponding fourth bevel gear 16. By providing the second gear driving mechanism, the rotating shaft 12 can drive the conveying shaft 10 to rotate.

[0030] In this embodiment, a pressure sensor 21 is provided on the inner wall of the bottom of the seed storage box 1. The pressure sensor 21 is electrically connected to an external UAV controller. By providing the pressure sensor 21, the gravity of the seeds can be sensed through the pressure sensor 21, so that the staff can easily understand the amount of seeds in the seed storage box 1 in a timely manner, and the purpose of arranging the UAV to land and replenish seeds in a timely manner can be achieved.

[0031] In this embodiment, UAV connection brackets 20 are fixedly installed on both sides of the seed storage box 1. The UAV connection brackets 20 are adapted to the UAV. By providing the UAV connection brackets 20, the UAV connection brackets 20 can be connected and fixed to the UAV.

[0032] In this embodiment, a feed pipe 19 is provided at the top of the seed storage box 1, and a sealing cover is provided on the feed pipe 19. By providing the feed pipe 19, seeds can be easily added to the seed storage box 1 through the feed pipe 19.

[0033] In this application, during operation, first, the sealed cover is opened to add seeds through the feed pipe 19, which can achieve the purpose of facilitating the addition of seeds into the seed storage box 1. The seed storage box 1 is connected to the bottom of the drone through the drone connecting frame 20. When the drone drives the seed storage box 1 to take off for sowing, by starting the motor 6, the transmission shaft of the motor 6 can drive the rotating shaft 12 to rotate through two first bevel gears 13 and two second bevel gears 14. The rotating shaft 12 can drive the conveying shaft 10 to rotate through two third bevel gears 15 and two fourth bevel gears 16, and can drive the corresponding spiral blades 11 to rotate, which can achieve the purpose of conveying the seeds at the material discharge port 17 to the feed port 18 through the spiral blades 11, and can achieve the purpose of uniformly feeding the control box 2. The output shaft of the motor 6 can simultaneously drive the material distributing roller 7 and the material distributing plate 8 to rotate, which can achieve the purpose of controlling the quantity of seeds in the sowing pipe 5 by the material distributing plate 8, and can achieve the purpose of controlling the quantity of materials discharged from the sowing pipe 5. Furthermore, it can achieve the purpose of centrally loading the seeds and uniformly controlling the quantity of sowing, and can avoid blockage of the sowing pipe 5, which is convenient for use. When the pressure sensor 21 senses that the pressure value is lower than the set value, it can transmit the information to the staff through the drone controller, which can achieve the purpose of facilitating the staff to timely understand the quantity of seeds in the seed storage box 1 and can achieve the purpose of timely arranging the drone to land to replenish the seeds.

Claims

1. A precise seeding device for forestry drones, characterized in that, It includes a seed storage box (1). A material control box (2) and two conveying boxes (3) are fixedly installed at the bottom of the seed storage box (1). One side of each of the two adjacent conveying boxes (3) is fixedly connected to the material control box (2). Fixed boxes (4) are fixedly installed on both sides of the material control box (2). A sowing pipe (5) is arranged at the bottom of the material control box (2). A motor (6) is fixedly installed on the right side of one of the fixed boxes (4). The left end of the output shaft of the motor (6) is rotatably connected to the inner wall of the left side of the other fixed box (4). A material control mechanism is arranged between the motor (6) and the sowing pipe (5). The same partition plate (9) is fixedly installed on the inner wall of the top and the inner wall of the bottom of the conveying box (3). A conveying mechanism is arranged between the partition plate (9) and the corresponding conveying box (3). A rotating shaft (12) is rotatably installed on the top of the fixed box (4). The top end of the rotating shaft (12) extends into the corresponding conveying box (3), and the bottom end of the rotating shaft (12) extends into the corresponding fixed box (4). A first gear driving mechanism is arranged between the output shaft of the motor (6) and the rotating shaft (12). The same material discharge port (17) is opened between the seed storage box (1) and the conveying box (3). The material discharge port (17) is located inside the corresponding partition plate (9). The same feed port (18) is opened between the conveying box (3) and the material control box (2).

2. The precision seeding device for forestry drones according to claim 1, wherein, The material control mechanism includes a material dialing roller (7) and a material dialing plate (8). The material dialing roller (7) is fixedly installed on the output shaft of the motor (6). The material dialing roller (7) is located inside the corresponding sowing pipe (5). The material dialing plate (8) is arranged on the material dialing roller (7).

3. The precision seeding device for forestry drones according to claim 1, characterized in that, The conveying mechanism includes a conveying shaft (10) and a spiral blade (11). The conveying shafts (10) are rotatably installed on the sides of the two conveying boxes (3) away from each other. The other end of the conveying shaft (10) extends into the corresponding feed port (18). The spiral blade (11) is arranged on the conveying shaft (10). The spiral blade (11) is located inside the corresponding partition plate (9). A second gear driving mechanism is arranged between the conveying shaft (10) and the rotating shaft (12).

4. A precise seeding device for forestry drones according to claim 1, characterized in that, The first gear driving mechanism includes two first bevel gears (13) and two second bevel gears (14). Two first bevel gears (13) are fixedly sleeved on the output shaft of the motor (6). The two first bevel gears (13) are respectively located inside the corresponding fixed boxes (4). The second bevel gear (14) is fixedly sleeved at the bottom end of the rotating shaft (12). The second bevel gear (14) meshes with the corresponding first bevel gear (13).

5. The precision seeding device for forestry drones according to claim 3, characterized in that, The second gear driving mechanism includes two third bevel gears (15) and two fourth bevel gears (16). The third bevel gear (15) is fixedly sleeved at the top end of the rotating shaft (12). The fourth bevel gear (16) is fixedly sleeved on the conveying shaft (10). The fourth bevel gear (16) is located outside the corresponding partition plate (9). The third bevel gear (15) meshes with the corresponding fourth bevel gear (16).

6. The precision seeding device for forestry drones according to claim 1, wherein, A pressure sensor (21) is arranged on the inner wall of the bottom of the seed storage box (1). The pressure sensor (21) is electrically connected to an external UAV controller.

7. The precision seeding device for forestry drones according to claim 1, characterized in that, The drone connecting frames (20) are fixedly installed on both sides of the seed storage box (1), and the drone connecting frames (20) are adapted to drones.

8. The precision seeding device for forestry drones according to claim 1, characterized in that, A feed pipe (19) is arranged at the top of the seed storage box (1), and a sealing cover is arranged on the feed pipe (19).

Citation Information

Patent Citations

  • Forestry unmanned aerial vehicle seeding device

    CN117480909A