Multifunctional agricultural unmanned aerial vehicle with automatic supply function

By designing a multi-functional agricultural drone with automatic recharge function, it integrates various functions such as spraying, sowing, and mixing, it solves the problems of single functions, inconvenient recharge and limited adaptability of existing agricultural drones, achieving efficient and precise agricultural operations, and expanding its application scope in complex terrain.

CN222876308UActive Publication Date: 2025-05-16SHANDONG JIANZHU UNIV
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Patent Information

Application Number
CN202421931552.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-05-16
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The existing agricultural drones have single functions, inconvenient recharge, limited adaptability, and low operating efficiency and accuracy, which limit their application and efficiency in diversified agricultural environments.

Method used

A multi-functional agricultural drone with automatic recharge function was designed, integrating spraying, seeding, stirring and other functions. It uses the tracked mobile platform and robotic arms to achieve automatic recharge of the medium storage box, and uniform spraying or seeding of pesticides or seeding through spiral lifting components and impellers.

Benefits of technology

The automatic recharge function reduces manual intervention and improves operation continuity; integrates multiple functions to adapt to different agricultural operation needs, improving operation efficiency and accuracy; the tracked mobile platform enables the drone to move stably in complex terrain, expanding the operating range.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The multifunctional agricultural unmanned aerial vehicle with the automatic supply function comprises a track moving platform and is characterized in that a supporting plate is fixed to the upper side of a box body of the track moving platform, an unmanned aerial vehicle assembly is arranged on the upper side of the supporting plate, and the unmanned aerial vehicle assembly comprises a vehicle body outer cover; a rectangular-ambulatory-plane-shaped support is fixed to the upper side of the interior of the vehicle body outer cover, transverse rods of supporting rods are fixedly connected to the ends of the two sides and the lower portions of the two ends of the rectangular-ambulatory-plane-shaped support correspondingly, the transverse rod of each supporting rod penetrates through the upper portion of the vertical face of the vehicle body outer cover, and an unmanned aerial vehicle base is arranged at the lower end of each supporting rod; the supporting plates can support the unmanned aerial vehicle base, and wings are fixed to the outer ends of the transverse rods of the supporting rods respectively. The utility model relates to the technical field of agricultural unmanned aerial vehicles, in particular to a multifunctional agricultural unmanned aerial vehicle with an automatic supply function, which integrates multiple functions of spraying, seeding, stirring and the like and is suitable for different agricultural operation requirements.
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Description

Technical Field

[0001] The utility model relates to the technical field of agricultural unmanned aerial vehicles, in particular to a multifunctional agricultural unmanned aerial vehicle with an automatic supply function. Background Art

[0002] In the agricultural field, the application of drone technology is gradually becoming popular, especially in pesticide spraying, seed sowing, etc. However, there are some limitations in the existing agricultural drone technology, which affect the widespread application and efficiency of drones in agricultural production. The following is a background analysis of the existing agricultural drone technology:

[0003] Single function: Most existing agricultural drones are designed for a single mission, such as spraying pesticides or sowing seeds. This single function limits the use of drones in diversified agricultural operations;

[0004] Inconvenient refueling: Existing agricultural drones usually require manual refueling of media, which not only increases labor intensity but also reduces operating efficiency. When operating over a large area, the refueling process may interrupt the operating flow and affect the continuity of the operation;

[0005] Limited adaptability: Many agricultural drone designs do not fully consider the adaptability to complex terrain, such as muddy, soft or uneven land. This limits the application of drones in diverse agricultural environments;

[0006] Operation efficiency and precision: Existing agricultural drones are not perfect in the uniformity of pesticide spraying or seed sowing, which may lead to waste of pesticides or seeds and affect crop growth and yield.

[0007] In view of the above shortcomings, a multifunctional agricultural UAV with automatic replenishment function is proposed, which aims to overcome at least some limitations of the existing technology by integrating multiple functions, improving the level of intelligent control, and enhancing adaptability and operating efficiency, so as to promote the development and application of agricultural UAV technology. Utility Model Content

[0008] The technical problem to be solved by the utility model is to provide a multifunctional agricultural drone with an automatic replenishment function, which integrates multiple functions such as spraying, sowing, stirring, etc. and adapts to different agricultural operation needs.

[0009] The utility model adopts the following technical solutions to achieve the purpose of the invention:

[0010] A multifunctional agricultural drone with an automatic replenishment function comprises a crawler mobile platform, characterized in that: a support plate is fixed on the upper side of the box of the crawler mobile platform, a drone component is arranged on the upper side of the support plate, the drone component comprises a body cover, a U-shaped bracket is fixed on the inner upper side of the body cover, and cross bars connected to support rods are fixed to the two side ends and the lower parts of both ends of the U-shaped bracket respectively, the cross bars of each support rod respectively pass through the upper part of the facade of the body cover, a drone base is arranged at the lower end of each support rod, the support plate can support the drone base, and wings are fixed to the outer ends of the cross bars of each support rod;

[0011] The medium storage boxes are fixed in the outer cover of the machine body, and the spiral lifting components are symmetrically arranged on both sides of the medium storage box. The spiral lifting components include a cylinder, a motor 1 and a spiral lifting blade. The cylinder is fixed on both sides of the outer cover of the machine body, and the cylinder is tilted. One end of the cylinder inside the medium storage box is located at the inner bottom end of the medium storage box, and one end of the cylinder outside the medium storage box is rotatably connected to the central axis of the spiral lifting blade. The central axis of the spiral lifting blade passes through the outer cover of the machine body and the outer end is fixedly connected to the output shaft of the motor 1. The motor 1 is fixedly connected to the outside of the outer cover of the machine body;

[0012] The medium storage box is also provided with a concentration sensor, the contact of the concentration sensor is arranged inside the medium storage box, and the body of the concentration sensor is fixed to the outer wall of the medium storage box;

[0013] The spiral lifting assembly is connected to the spray assembly, and the spray assembly includes a cross-shaped pipe, and the cross-shaped pipe is arranged on the lower side of the body outer cover, and the two ends of the cross-shaped pipe respectively pass through the body outer cover and are respectively fixedly connected with the corresponding lower side of the outer end of the cylinder, and the other two ends of the cross-shaped pipe are respectively fixedly connected to the feed port of the impeller, and the impeller is arranged on the lower side of the body outer cover, and the central axis of the impeller is fixedly connected to the central axis of the bevel gear, and the central axis bearing of the bevel gear is connected to the body outer cover, and the bevel gear meshes with the bevel gear ring, and one side of the bevel gear ring is fixedly connected to a symmetrical ear block, and each of the ear blocks is respectively The central shaft of the bevel gear 1 is rotatably connected, and the two bevel gear 1s are meshed with bevel gear 2s. The center of each of the bevel gear 2s is fixedly connected to one end of the rotating shaft, and the other end of the rotating shaft is rotatably connected to the outer cover of the machine body. The outer end of one of the rotating shafts in each pair of the rotating shafts is fixedly connected to the output shaft of the motor 2, and the two motors 2 are fixed on the outside of the outer cover of the machine body. The bevel gear 1, bevel gear 2, helical bevel gear ring and helical bevel gear are all arranged in the cover body, and the cover body is fixed in the outer cover of the machine body. The helical bevel gear ring is rotatably connected to the cover body, the rotating shaft passes through the cover body, and the central shaft of the bevel gear 1 passes through the lower side of the cover body.

[0014] As a further limitation of the present technical solution, a stirring assembly is also connected to the medium storage box, and the stirring assembly includes a rotating shaft, a stirring rod and a motor three. A bearing at one end of the rotating shaft is connected to two sides of the medium storage box, and the other end of the rotating shaft is fixedly connected to the output shaft of the motor three. The motor three is fixed to the outside of the medium storage box, and a stirring rod is fixed on the rotating shaft, and the stirring rod is used for stirring.

[0015] As a further limitation of the technical solution, a controller support seat is fixed in the cross-shaped pipe, the controller support seat fixes the controller, and the controller is electrically connected to the battery.

[0016] As a further limitation of the technical solution, two ends of the outer cover of the body are respectively fixedly connected to cameras.

[0017] As a further limitation of the present technical solution, a symmetrical mechanical arm is also provided at one end of the crawler mobile platform, a pipeline is provided inside the mechanical arm, and a mechanical clamp is symmetrically provided at the working end of the mechanical arm. A driving pump is fixed in the box body inside the crawler mobile platform, the feed port of the driving pump is connected to the supply bin, the discharge port of the driving pump is fixedly connected to the pipeline inlet inside the mechanical arm, the supply bin is arranged on one side of the mechanical arm, and the pipeline outlet inside the mechanical arm is arranged at the working end for injecting materials into the medium storage box.

[0018] As a further limitation of the present technical solution, a motor four is fixed in a box inside the crawler mobile platform, and the motor four drives the movement of the crawler mobile platform.

[0019] As a further limitation of the present technical solution, the controller controls the camera, motor one, motor two, drive pump and motor four.

[0020] Compared with the prior art, the advantages and positive effects of the utility model are:

[0021] Through the cooperation of the robotic arm and the drive pump, the drone can realize the automatic replenishment of the medium storage tank, reducing manual intervention and improving operation continuity;

[0022] The drone integrates multiple functions such as spraying, sowing, and stirring to meet different agricultural operation needs. Specifically, the drone is equipped with a spraying component, including a cross-shaped pipe and an impeller, which can achieve uniform spraying of pesticides or liquid fertilizers. The centrifugal force of the impeller can spray the medium onto the crops in the form of a rotating spray, thereby improving the utilization rate of pesticides or fertilizers. The seeds in the medium storage box are lifted to the spraying component through the spiral lifting component, and the seeds are evenly sown with the centrifugal force of the impeller. The stirring component, including a rotating shaft and a stirring rod, is integrated in the medium storage box to stir the stored medium to ensure the uniformity of the medium and avoid uneven spraying or sowing due to medium precipitation.

[0023] Through the cooperation of the controller and the camera, the drone can realize intelligent operation and improve the operation accuracy and safety;

[0024] The design of the tracked mobile platform enables the UAV to move stably in complex terrain, expanding its operating range. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0026] Figure 1 The three-dimensional Figure 1 ;

[0027] Figure 2 The local three-dimensional Figure 1 ;

[0028] Figure 3 The local three-dimensional Figure 2 ;

[0029] Figure 4 The local three-dimensional Figure 3 ;

[0030] Figure 5 For the utility model Figure 1 A partial enlarged view of the middle A;

[0031] Figure 6 The local three-dimensional Figure 4 ;

[0032] Figure 7 The local three-dimensional Figure 5 ;

[0033] Figure 8 The local three-dimensional Figure 6 .

[0034] In the figure: 1. wing, 2. support rod, 3. UAV base, 4. mechanical arm, 41. mechanical arm, 5. supply warehouse, 6. crawler mobile platform, 61. drive pump, 62. motor four, 63. box body, 7. support plate, 8. body cover, 9. medium storage box, 10. cross pipe, 11. impeller, 12. camera, 13. motor one, 14. motor two, 15. U-shaped bracket, 16. cylinder, 17. rotating shaft, 21. controller, 211. controller support seat, 22. spiral lifting blade, 23. rotating shaft, 24. stirring rod, 25. motor three, 26. bevel gear ring, 261. cover body, 27. bevel gear two, 28. bevel gear one, 29. bevel gear, 30. ear block, 31. concentration sensor. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] It should be noted that the directional terms such as left, right, up, down, front and back in the embodiments of the present invention are merely relative concepts or are based on the normal use state of the product, that is, the direction of movement of the product, and should not be considered as limiting.

[0037] When a component is referred to as being “located” or “disposed on” another component, it may be on the other component or there may be an intervening component. When a component is referred to as being “connected to” another component, it may be directly connected to the other component or there may be an intervening component.

[0038] A multifunctional agricultural drone with an automatic replenishment function comprises a crawler mobile platform 6, a support plate 7 is fixed on the upper side of a box 63 of the crawler mobile platform 6, a drone component is arranged on the upper side of the support plate 7, and the drone component comprises a body cover 8, a U-shaped bracket 15 is fixed on the inner upper side of the body cover 8, and the two side ends and the lower part of the two ends of the 15 are respectively fixed with cross bars connected to the support rods 2, and the cross bars of each of the support rods 2 pass through the upper part of the facade of the body cover 8, and the lower end of each of the support rods 2 is respectively provided with a drone base 3, and the support plate 7 can support the drone base 3, and the outer end of the cross bar of each of the support rods 2 is respectively fixed with a wing 1;

[0039] The medium storage box 9 is fixed in the body outer cover 8, and the spiral lifting components are symmetrically arranged on both sides of the medium storage box 9, and the spiral lifting components include a cylinder 16, a motor 13 and a spiral lifting blade 22. The cylinder 16 is fixed on both sides of the body outer cover 8, and the cylinder 16 is tilted. One end of the cylinder 16 inside the medium storage box 9 is located at the inner bottom end of the medium storage box 9, and one end of the cylinder 16 outside the medium storage box 9 is rotatably connected to the central axis of the spiral lifting blade 22. The central axis of the spiral lifting blade 22 passes through the body outer cover 8 and the outer end is fixedly connected to the output shaft of the motor 13, and the motor 13 is fixedly connected to the outside of the body outer cover 8;

[0040] The medium storage box 9 is also provided with a concentration sensor 31, the contact of the concentration sensor 31 is provided inside the medium storage box 9, and the body of the concentration sensor 31 is fixed to the outer wall of the medium storage box 9;

[0041] In this embodiment, the concentration sensor 31 monitors the concentration of the pesticide through the contact, and transmits it to the operator's app terminal wirelessly through the controller 21, so that the pesticide reaches a concentration suitable for the growth of crops.

[0042] The spiral lifting assembly is connected to the spray assembly, and the spray assembly includes a cross-shaped pipe 10. The cross-shaped pipe 10 is arranged on the lower side of the body outer cover 8, and the two ends of the cross-shaped pipe 10 respectively pass through the body outer cover 8 and are respectively fixedly connected with the lower side of the outer end of the corresponding cylinder 16, and the other two ends of the cross-shaped pipe 10 are respectively fixedly connected to the feed port of the impeller 11, and the impeller 11 is arranged on the lower side of the body outer cover 8. The central axis of the impeller 11 is fixedly connected to the central axis of the bevel gear 29, and the central axis bearing of the bevel gear 29 is connected to the body outer cover 8. The bevel gear 29 meshes with the bevel gear ring 26, and one side of the bevel gear ring 26 is fixedly connected to a symmetrical ear block 30, and each of the ear blocks 30 is respectively rotatably connected to the bevel gear 2 8, the two bevel gears 1 28 are meshed with bevel gear 2 27, the center of each bevel gear 2 27 is fixedly connected to one end of the rotating shaft 17, and the other end of the rotating shaft 17 is rotatably connected to the outer cover 8 of the machine body, the outer end of one rotating shaft 17 in each pair of the rotating shafts 17 is fixedly connected to the output shaft of the motor 2 14, and the two motors 2 14 are fixed on the outside of the outer cover 8 of the machine body, the bevel gear 1 28, the bevel gear 27, the bevel gear ring 26 and the bevel gear 29 are all arranged in the cover body 261, and the cover body 261 is fixed in the outer cover 8 of the machine body, the bevel gear ring 26 is rotatably connected to the cover body 261, the rotating shaft 17 passes through the cover body 261, and the center axis of the bevel gear 1 28 passes through the lower side of the cover body 261.

[0043] In this embodiment, the wing 1 is used for the flight of the drone, and the drone base 3 is used for supporting the drone when it is on the support plate 7;

[0044] In this embodiment, when the spiral lifting component is working, the motor 13 is started, and the motor 13 drives the rear end spiral lifting blade 22 to rotate, so that the granular seeds or pesticides inside the medium storage box 9 are lifted to the outer end of the cylinder 16 through the connection of the cylinder 16, and then transported to the impeller 11 through the cross-shaped pipe 10, and cooperated with the centrifugal spraying of the impeller 11 to achieve spraying and sowing of pesticides or seeds.

[0045] In this embodiment, when the impeller 11 is working, the motor 2 14 is started, the output shaft of the motor 2 14 rotates to drive the rotating shaft 17 to rotate, the rotating shaft 17 drives the bevel gear 2 27 to rotate, the bevel gear 27 drives the bevel gear 1 28 to rotate, the bevel gear 1 28 drives the bevel gear ring 26 to rotate, the bevel gear ring 26 drives the bevel gear 29 to rotate, and then drives the impeller 11 to rotate, thereby realizing the centrifugal spraying of the impeller 11.

[0046] A stirring assembly is also connected to the medium storage box 9, and the stirring assembly includes a rotating shaft 23, a stirring rod 24 and a motor 25. One end of the rotating shaft 23 is connected to the two sides of the medium storage box 9 by a bearing, and the other end of the rotating shaft 23 is fixedly connected to the output shaft of the motor 25. The motor 25 is fixed to the outside of the medium storage box 9. A stirring rod 24 is fixed on the rotating shaft 23, and the stirring rod 24 is used for stirring.

[0047] In this embodiment, the motor 3 25 is started to drive the rotating shaft 23 and the stirring rod 24 to rotate, so as to stir the material in the medium storage box 9 .

[0048] A controller support seat 211 is fixed in the cross-shaped pipe 10, and the controller support seat 211 fixes the controller 21, and the controller 21 is electrically connected to the battery, and the battery is fixed to the outer cover 8 of the body. The battery adopts a lithium battery, which has the characteristics of long service life, fast charging, sufficient power, small size, and high power. The power of the battery pack can reach up to 32000mah, which is enough to realize the rotation of the wings and impellers of the drone; the energy required for the operation of the drone components such as sensors and growth monitoring lenses. Under normal use of the drone, the battery can work continuously for one day, reducing the frequency of charging and improving the working efficiency of the multifunctional agricultural drone.

[0049] The two ends of the body outer cover 8 are respectively fixedly connected to the cameras 12 .

[0050] A symmetrical mechanical arm 41 is also provided at one end of the crawler mobile platform 6, and a pipeline is provided inside the mechanical arm 41. A mechanical clamp 41 is symmetrically provided at the working end of the mechanical arm 41. A driving pump 61 is fixed in a box 63 inside the crawler mobile platform 6, and the feed port of the driving pump 61 is connected to the supply bin 5. The discharge port of the driving pump 61 is fixedly connected to the pipeline inlet inside the mechanical arm 41. The supply bin 5 is arranged on one side of the mechanical arm 4, and the pipeline outlet inside the mechanical arm 4 is arranged at the working end for injecting materials into the medium storage box 9.

[0051] In this embodiment, the driving pump 61 works to pump the material in the supply bin 5 into the pipeline of a robotic arm 41, and then the other robotic arm 4 works to drive the mechanical gripper 41 to move to the medium storage box 9 to remove the end cover of the medium storage box 9, and then the robotic arm 41 carrying the material injects the material into the medium storage box 9 to achieve replenishment.

[0052] A motor 4 62 is fixed in a box 63 inside the crawler mobile platform 6 , and the motor 4 62 drives the crawler mobile platform 6 to move.

[0053] The controller 21 controls the camera 12, motor 1 13, motor 2 14, drive pump 61, concentration sensor 31 and motor 4 62.

[0054] The controller also communicates with the camera 12 and the concentration sensor 31 .

[0055] The crawler mobile platform 6 has a large force-bearing area of ​​the crawler, which can increase friction, have good grip, reduce pressure relative to the ground, and is not prone to wheel sinking. It has a simple structure and is strong and durable, so it is suitable for supply in complex terrains such as fields.

[0056] When in use, the medium such as pesticides or seeds is loaded into the medium storage box 9, and the materials in the supply bin are injected into the medium storage box by driving the pump and the mechanical arm to ensure that the medium storage box is full, and the controller 21 is started, and the motor four 62 of the crawler mobile platform 6 is started to move the UAV to the designated operation area; the spiral lifting component is started by the controller 21 to lift the medium (fertilizer or seed) from the medium storage box 9 to the spraying component, and the impeller 11 of the spraying component rotates under the drive of the motor two 14 to realize the spraying or sowing of pesticides or seeds, and the camera 12 is used to monitor the operation of the UAV in real time, and the operation parameters are adjusted as needed. The working state of the spiral lifting component and the spraying component is adjusted by the control 21 to adapt to different operation requirements. When spraying pesticides, the concentration sensor 31 monitors the concentration in the medium storage box 9, and the motor three 25 of the stirring component can rotate the stirring rod 24 to stir the medium to ensure the uniform distribution of the medium;

[0057] When the amount of medium in the medium storage box 9 is lower than a set threshold, the replenishment system is automatically started, and the material in the replenishment bin 5 is injected into the medium storage box 9 through the mechanical arm 4 .

[0058] The above disclosure is only a specific embodiment of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A multifunctional agricultural drone with an automatic supply function, comprising a crawler mobile platform (6), characterized in that: A support plate (7) is fixed on the upper side of the box (63) of the crawler mobile platform (6), and a drone assembly is arranged on the upper side of the support plate (7). The drone assembly includes a body cover (8), and a U-shaped bracket (15) is fixed on the inner upper side of the body cover (8). The two side ends and the lower parts of the two ends of the U-shaped bracket (15) are respectively fixedly connected to the cross bars of the support rod (2), and the cross bars of each support rod (2) respectively pass through the upper part of the vertical surface of the body cover (8), and the lower end of each support rod (2) is respectively provided with a drone base (3), and the support plate (7) can support the drone base (3), and the outer end of the cross bar of each support rod (2) is respectively fixed with a wing (1); A medium storage box (9) is fixed in the body outer cover (8), and spiral lifting components are symmetrically arranged on both sides of the medium storage box (9), and the spiral lifting components include a cylinder (16), a motor (13) and a spiral lifting blade (22). The cylinder (16) is fixed on both sides of the body outer cover (8), and the cylinder (16) is inclined. One end of the cylinder (16) inside the medium storage box (9) is located at the inner bottom end of the medium storage box (9), and one end of the cylinder (16) outside the medium storage box (9) is rotatably connected to the central axis of the spiral lifting blade (22), and the central axis of the spiral lifting blade (22) passes through the body outer cover (8) and the outer end is fixedly connected to the output shaft of the motor (13), and the motor (13) is fixedly connected to the outer side of the body outer cover (8); The medium storage box (9) is also provided with a concentration sensor (31), a contact of the concentration sensor (31) is arranged inside the medium storage box (9), and a body of the concentration sensor (31) is fixed to an outer wall of the medium storage box (9); The spiral lifting assembly is connected to the spray assembly, and the spray assembly comprises a cross-shaped pipe (10). The cross-shaped pipe (10) is arranged on the lower side of the body outer cover (8). The two ends of the cross-shaped pipe (10) respectively pass through the body outer cover (8) and are respectively fixedly connected to the lower side of the outer end of the corresponding cylinder (16). The other two ends of the cross-shaped pipe (10) are respectively fixedly connected to the feed port of the impeller (11). The impeller (11) is arranged on the lower side of the body outer cover (8). The central axis of the impeller (11) is fixedly connected to the central axis of the bevel gear (29). The central axis bearing of the bevel gear (29) is connected to the body outer cover (8). The bevel gear (29) meshes with the bevel gear ring (26). One side of the bevel gear ring (26) is fixedly connected to symmetrical ear blocks (30). Each ear block (30) is rotatably connected to the center axis of the bevel gear (28). The two bevel gears (28) are meshed with bevel gear (27), the center of each bevel gear (27) is fixedly connected to one end of a rotating shaft (17), and the other end of the rotating shaft (17) is rotatably connected to the outer housing (8) of the machine body. The outer end of one rotating shaft (17) in each pair of rotating shafts (17) is fixedly connected to the output shaft of motor (14), and the two motors (14) are fixed on the outside of the outer housing (8) of the machine body. The bevel gear (28), bevel gear (27), bevel gear ring (26) and bevel gear (29) are arranged in a housing (261), and the housing (261) is fixed in the outer housing (8). The bevel gear ring (26) is rotatably connected to the housing (261), the rotating shaft (17) passes through the housing (261), and the center axis of the bevel gear (28) passes through the lower side of the housing (261).

2. The multifunctional agricultural drone with automatic supply function according to claim 1 is characterized in that: The medium storage box (9) is also connected to a stirring assembly, which includes a rotating shaft (23), a stirring rod (24) and a motor three (25). One end of the rotating shaft (23) is connected to two sides of the medium storage box (9) by a bearing, and the other end of the rotating shaft (23) is fixedly connected to the output shaft of the motor three (25). The motor three (25) is fixed to the outside of the medium storage box (9). The rotating shaft (23) is fixed with a stirring rod (24), and the stirring rod (24) is used for stirring.

3. The multifunctional agricultural drone with automatic supply function according to claim 2 is characterized by: A controller support seat (211) is fixed in the cross-shaped pipe (10), the controller support seat (211) fixes the controller (21), and the controller (21) is electrically connected to a battery.

4. The multifunctional agricultural drone with automatic supply function according to claim 3 is characterized by: Both ends of the body outer cover (8) are respectively fixedly connected to cameras (12).

5. The multifunctional agricultural drone with automatic supply function according to claim 4 is characterized by: A symmetrical mechanical arm (4) is also provided at one end of the crawler mobile platform (6), a pipeline is provided inside the mechanical arm (4), and a mechanical clamp (41) is symmetrically provided at the working end of the mechanical arm (4). A driving pump (61) is fixed inside a box (63) inside the crawler mobile platform (6), and a feed port of the driving pump (61) is connected to a supply bin (5), and a discharge port of the driving pump (61) is fixedly connected to a pipeline inlet inside the mechanical arm (4). The supply bin (5) is provided on one side of the mechanical arm (4), and a pipeline outlet inside the mechanical arm (4) is provided at the working end for injecting materials into a medium storage box (9).

6. The multifunctional agricultural drone with automatic supply function according to claim 5 is characterized by: A motor four (62) is fixed inside a box (63) inside the crawler mobile platform (6), and the motor four (62) drives the crawler mobile platform (6) to move.

7. The multifunctional agricultural drone with automatic supply function according to claim 6 is characterized by: The controller (21) controls the camera (12), motor one (13), motor two (14), driving pump (61) and motor four (62).