Agricultural unmanned aerial vehicle liquid adding device

By designing a drone liquid adding device including a mobile rack, a stirring box, a metering box and a conveying component, the problem of insufficient liquid mixing and inability to quantitatively add liquid in the prior art is solved, efficient stirring and precise amounting of liquid addition are achieved, and the use effect and practicality of the device are improved.

CN222998622UActive Publication Date: 2025-06-20HAINAN SAIFA TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421419091.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-06-20
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing drone liquid refueling device has a single function and requires manual stirring and mixing of liquids, resulting in insufficient liquid mixing, high impurity content, low purity, and the inability to quantitatively add liquids according to the drone capacity, affecting the use effect.

Method used

An agricultural drone liquid refueling device is designed, including a mobile rack, agitating box, a dosing box and a conveying component. The mixing rod and a secondary mixing rod are used to stir. Combined with the meshing gear and the drive gear, it can achieve efficient stirring, and the dosing liquid refueling is achieved through the dosing box and the conveying component.

Benefits of technology

It realizes efficient stirring of the liquid, improves the purity and use effect of the mixed liquid, and accurately adds liquid according to the capacity of the drone, improving the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222998622U_ABST
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Abstract

The utility model provides an agricultural unmanned aerial vehicle liquid adding device which comprises a movable frame, a stirring box is fixedly arranged on the movable frame through a plurality of supporting rods, a stirring assembly is arranged in the stirring box, a liquid outlet pipe is arranged at the bottom end of the stirring box, and a quantitative box is arranged on one side of the stirring box. The quantitative box and the liquid outlet pipe are connected through a conveying assembly, the stirring assembly comprises a motor plate fixed to the top end of the stirring box, and a driving motor is arranged on the motor plate. Compared with the prior art, the stirring device has the following beneficial effects that liquid is stored in the stirring box, the driving motor is started, the driving motor drives the stirring blades on the stirring rod to rotate and stir the liquid in the stirring box, the auxiliary meshing gear is driven to rotate in the driving process, and the auxiliary stirring rod on the auxiliary meshing gear rotates in the reverse direction; therefore, the stirring blades on the auxiliary stirring rod perform reverse stirring, so that the stirring speed is increased, and compared with manual stirring by personnel, the subsequent liquid adding efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to a liquid adding device for agricultural drones, belonging to the field of drones. Background Technique

[0002] An agricultural drone is an unmanned aircraft used for agricultural and forestry plant protection operations. This type of drone consists of a flight platform, a navigation and flight control system, and a spraying mechanism. Through ground remote control or navigation and flight control, spraying operations can be achieved, and it can spray pesticides, seeds, powders, etc. When the materials available for spraying by the drone are exhausted, the drone needs to be refilled with liquid. With the development of technology, liquid adding devices for agricultural drones are widely used.

[0003] Nowadays, the functions of existing liquid adding devices for drones are relatively single. Manual stirring of the mixed liquid is required, but the liquid mixing is not sufficient, the impurity content in the mixed liquid is relatively high, and the purity is low, which affects the use effect. Moreover, it is not possible to add a quantitative amount of liquid according to the specific capacity value of the drone, resulting in more or less liquid addition and reducing the practicality of the device. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a liquid adding device for agricultural drones.

[0005] In order to achieve the above purpose, the utility model is realized through the following technical solutions:

[0006] A liquid adding device for agricultural drones includes a moving frame. A stirring tank is fixedly arranged on the moving frame through multiple support rods. A stirring component is arranged inside the stirring tank. An outlet pipe is arranged at the bottom end of the stirring tank. A quantitative tank is arranged on one side of the stirring tank. The quantitative tank and the outlet pipe are connected through a conveying component. The stirring component includes a motor plate fixed at the top end of the stirring tank. A driving motor is arranged on the motor plate. The output end of the driving motor is connected with a stirring rod penetrating into the interior of the stirring tank. An engaging gear is fixedly sleeved on the outer surface of the stirring rod. A secondary engaging gear is meshed with one side of the engaging gear. A secondary stirring rod penetrating into the interior of the stirring tank is fixedly arranged through the central axis of the secondary engaging gear. Stirring blades are evenly arranged on the secondary stirring rod and the stirring rod located inside the stirring tank.

[0007] Furthermore, bearings are sleeved on the secondary stirring rod and the stirring rod. The number of bearings on the secondary stirring rod is two, and the bearings are fixed on the top end of the stirring tank and the motor plate.

[0008] Furthermore, a driving gear is also sleeved on the outer surface of the stirring rod. A secondary driving gear is meshed with one side of the driving gear. A cleaning rod penetrating into the interior of the stirring tank is fixedly arranged at the bottom end of the secondary driving gear.

[0009] Further, the cleaning rod is located in the middle of the stirring tank. A cleaning scraper that contacts the inner wall of the stirring tank is fixedly provided on the cleaning rod. A secondary bearing fixed to the top end of the stirring tank is sleeved on the cleaning rod.

[0010] Further, the conveying assembly includes a water pump fixed on the moving frame. The water pump has a water suction pipe and a water outlet pipe. Two connecting pipes are provided on the water suction pipe, and the connecting pipes are respectively connected to the liquid outlet pipe and the metering tank.

[0011] Further, a discharge pipe communicating with the metering tank and a final outlet pipe are provided on the water outlet pipe. The metering tank is provided with a scale ruler.

[0012] Further, universal wheels are installed at the four corners of the bottom end of the moving frame, and a pushing handrail is also fixedly provided on the moving frame.

[0013] Advantages of the present utility model:

[0014] The liquid is stored in the stirring tank. The driving motor is started, and the stirring blades on the stirring rod driven by the driving motor rotate and stir the liquid in the stirring tank. During the driving process, the secondary meshing gear is driven to rotate, and the secondary stirring rod on the secondary meshing gear rotates in the reverse direction. Therefore, the stirring blades on the secondary stirring rod perform reverse stirring, thereby accelerating the stirring speed and comparing with manual stirring by personnel to improve the efficiency of subsequent liquid addition. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is the front view of a liquid adding device for an agricultural unmanned aerial vehicle of the present utility model;

[0017] Figure 2 It is the schematic diagram of the driving motor of a liquid adding device for an agricultural unmanned aerial vehicle of the present utility model;

[0018] Figure 3 It is the schematic diagram of the inside of the stirring tank of a liquid adding device for an agricultural unmanned aerial vehicle of the present utility model;

[0019] Figure 4 It is the enlarged view schematic diagram at position A of a liquid adding device for an agricultural unmanned aerial vehicle of the present utility model.

[0020] In the figure: 1. Moving frame; 2. Stirring tank; 3. Liquid outlet pipe; 4. Quantitative tank; 5. Motor plate; 6. Driving motor; 7. Stirring rod; 8. Meshing gear; 9. Sub-meshing gear; 10. Sub-stirring rod; 11. Stirring blade; 12. Bearing; 13. Driving gear; 14. Sub-driving gear; 15. Cleaning rod; 16. Cleaning scraper; 17. Sub-bearing; 18. Water pump; 19. Suction pipe; 20. Water outlet pipe; 21. Connecting pipe; 22. Discharge pipe; 23. Final outlet pipe; 24. Scale ruler; 25. Universal pulley. Specific implementation manner

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 , the present invention provides a technical solution: an agricultural drone liquid adding device, including a moving frame 1, a stirring tank 2 is fixedly arranged on the moving frame 1 through a plurality of support rods, a stirring assembly is arranged in the stirring tank 2, a liquid outlet pipe 3 is arranged at the bottom end of the stirring tank 2, a quantitative tank 4 is arranged on one side of the stirring tank 2, and the quantitative tank 4 and the liquid outlet pipe 3 are connected through a conveying assembly. The stirring assembly includes a motor plate 5 fixed at the top end of the stirring tank 2, a driving motor 6 is arranged on the motor plate 5, an output end of the driving motor 6 is connected with a stirring rod 7 penetrating into the interior of the stirring tank 2, an outer surface of the stirring rod 7 is fixedly sleeved with a meshing gear 8, a sub-meshing gear 9 is meshed on one side of the meshing gear 8, a sub-stirring rod 10 penetrating into the interior of the stirring tank 2 is fixedly arranged through a middle axis of the sub-meshing gear 9, and stirring blades 11 are uniformly arranged on the sub-stirring rod 10 and the stirring rod 7 located inside the stirring tank 2.

[0023] Refer to Figures 1-2 , bearings 12 are sleeved on the sub-stirring rod 10 and the stirring rod 7, the number of the bearings 12 on the sub-stirring rod 10 is two, and the bearings 12 are fixed at the top end of the stirring tank 2 and the motor plate 5. The design of the bearings 12 ensures that the corresponding connection parts rotate more stably and has a good supporting effect on these components.

[0024] Refer to Figures 2-3, a driving gear 13 is further sleeved on the outer surface of the stirring rod 7. A secondary driving gear 14 is meshed with one side of the driving gear 13. A cleaning rod 15 penetrating into the interior of the mixing tank 2 is fixedly provided at the bottom end of the secondary driving gear 14. The cleaning rod 15 is located in the middle of the mixing tank 2. A cleaning scraper 16 contacting the inner wall of the mixing tank 2 is fixedly provided on the cleaning rod 15. A secondary bearing 17 fixed to the top end of the mixing tank 2 is sleeved on the cleaning rod 15. The stirring rod 7 drives the driving gear 13 and the secondary driving gear 14 to rotate, and the secondary driving gear 14 drives the cleaning rod 15 to rotate, so that the cleaning rod 15 cleans the interior of the mixing tank 2.

[0025] Refer to Figure 1 and Figure 4 , the conveying assembly includes a water pump 18 fixed on the moving frame 1. The water pump 18 is provided with a suction pipe 19 and a discharge pipe 20. Two connecting pipes 21 are provided on the suction pipe 19. The connecting pipes 21 are respectively connected to the liquid outlet pipe 3 and the metering tank 4. A discharge pipe 22 communicating with the metering tank 4 and a final outlet pipe 23 are provided on the discharge pipe 20. The metering tank 4 is provided with a scale ruler 24. Universal wheels 25 are installed at the four corners of the bottom end of the moving frame 1. A pushing handle is further fixed on the moving frame 1. The stirred liquid is sucked into the metering tank 4, and the liquid with increased volume is passed through the scale ruler 24. Therefore, the liquid can be quantitatively added into the drone. Manual control valves need to be designed on the liquid outlet pipe 3, the two connecting pipes 21, the discharge pipe 22 and the final outlet pipe 23. Therefore, by controlling whether the corresponding pipes are communicated with the inside of the suction pipe 19 and the discharge pipe 20, the initial liquid discharge of the liquid outlet pipe 3 can be controlled. One connecting pipe 21 can suck the liquid inside the mixing tank 2, and the other connecting pipe 21 sucks the liquid quantitatively added into the metering tank 4. Finally, the final outlet pipe 23 is aligned with the liquid adding position of the drone for liquid addition. The discharge pipe 22 can discharge the liquid sucked from the inside of the mixing tank 2 into the metering tank 4. Both the discharge pipe 22 and one of the connecting pipes 21 are deeply inserted into the inner bottom of the mixing tank 2.

[0026] During specific operation, the liquid is stored in the mixing tank 2. The driving motor 6 is started, and the stirring blades 11 on the stirring rod 7 driven by the driving motor 6 rotate and stir the liquid in the mixing tank 2. During the driving process, the secondary meshing gear 9 is driven to rotate, and the secondary stirring rod 10 on the secondary meshing gear 9 rotates in the reverse direction. Therefore, the stirring blades 11 on the secondary stirring rod 10 perform reverse stirring, thereby accelerating the stirring speed and comparing with manual stirring by personnel to improve the efficiency of subsequent liquid addition. A feeding pipe is provided on the mixing tank 2.

[0027] Although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A liquid filling device for an agricultural drone, characterized in that: The invention comprises a mobile frame (1), a stirring box (2) is fixedly provided on the mobile frame (1) via a plurality of supporting rods, a stirring assembly is provided in the stirring box (2), a liquid outlet pipe (3) is provided at the bottom end of the stirring box (2), a quantitative box (4) is provided on one side of the stirring box (2), the quantitative box (4) and the liquid outlet pipe (3) are connected via a conveying assembly, the stirring assembly comprises a motor plate (5) fixed at the top end of the stirring box (2), a driving motor (6) is provided on the motor plate (5), and the driving motor (6) is The output end of the mixing box (6) is connected to a mixing rod (7) that penetrates into the mixing box (2); a meshing gear (8) is fixedly sleeved on the outer surface of the mixing rod (7); a secondary meshing gear (9) is meshed on one side of the meshing gear (8); a secondary mixing rod (10) that penetrates into the mixing box (2) is fixedly passed through the middle axis of the secondary meshing gear (9); mixing blades (11) are evenly arranged on the secondary mixing rod (10) and the mixing rod (7) located in the mixing box (2); the mixing rod (7) The outer surface is sleeved with a driving gear (13), one side of the driving gear (13) is meshed with a secondary driving gear (14), the bottom end of the secondary driving gear (14) is fixed with a cleaning rod (15) that penetrates into the interior of the mixing box (2), the cleaning rod (15) is located in the middle of the mixing box (2), the cleaning rod (15) is fixed with a cleaning scraper (16) that contacts the inner wall of the mixing box (2), and the cleaning rod (15) is sleeved with a secondary shaft fixed to the top end of the mixing box (2). The conveying assembly comprises a water pump (18) fixed on the mobile frame (1), the water pump (18) having a water suction pipe (19) and a water outlet pipe (20), the water suction pipe (19) being provided with two connecting pipes (21), the connecting pipes (21) being respectively connected to the liquid outlet pipe (3) and the quantitative box (4), the water outlet pipe (20) being provided with a discharge pipe (22) connected to the quantitative box (4) and a final outlet pipe (23), and the quantitative box (4) being provided with a scale (24).

2. The liquid filling device for an agricultural drone according to claim 1, characterized in that: The auxiliary stirring rod (10) and the stirring rod (7) are sleeved with bearings (12), and the number of the bearings (12) on the auxiliary stirring rod (10) is two. The bearings (12) are fixed on the top of the stirring box (2) and the motor plate (5).

3. The liquid filling device for an agricultural drone according to claim 2, characterized in that: Universal pulleys (25) are installed at the four corners of the bottom end of the movable frame (1), and a pushing handrail is also fixedly provided on the movable frame (1).