Pesticide spraying device for agricultural unmanned aerial vehicle

By designing an adjustable spraying device on agricultural drones, the problem of fixed spray nozzle positions was solved, enabling flexible adjustment and uniformity of the spraying range.

CN223714883UActive Publication Date: 2025-12-26YULIN YUYANG YONGQIANG AGRI TECH CO LTD
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Patent Information

Application Number
CN202520123625.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-26
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

The spray nozzles of existing agricultural drone spraying devices are in fixed positions, making it impossible to adjust the spraying range according to the size of the field, which leads to inconvenience in use.

Method used

A pesticide spraying device was designed, comprising a drone body, a pesticide tank, an extension plate, a connecting pipe, a connecting rod, and a spray pipe. The spraying range can be adjusted by controlling the sliding of the sleeve to cover or open the spray nozzle via an electric push rod.

Benefits of technology

It enables flexible adjustment of the spraying range of drones, adapting to different field sizes and improving the applicability and uniformity of spraying.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223714883U_ABST
    Figure CN223714883U_ABST
Patent Text Reader

Abstract

The utility model discloses a pesticide spraying device for an agricultural unmanned aerial vehicle, and relates to the technical field of pesticide spraying of agricultural unmanned aerial vehicles, the pesticide spraying device comprises an unmanned aerial vehicle body, a pesticide tank is installed in the unmanned aerial vehicle body, four extension plates are installed on the side wall of the unmanned aerial vehicle body in an array mode, and communication pipelines are installed at the lower ends of the extension plates; the lower ends of the four communicating pipelines are jointly provided with a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are perpendicular to each other and internally communicated, the two ends of the first connecting rod and the two ends of the second connecting rod are each provided with a pesticide spraying pipe, and a plurality of pesticide spraying openings are formed in the lower ends of the pesticide spraying pipelines. By arranging a series of structures, the sleeves on the surfaces of the four pesticide spraying pipes can be driven by the electric push rods to independently operate, a user can change the positions of the sleeves on the surfaces of the different pesticide spraying pipes through an external controller, then the pesticide spraying range of the unmanned aerial vehicle body is changed in multiple directions, and the applicability is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural unmanned plane pesticide spraying technical field, concretely is a kind of for agricultural unmanned plane pesticide spraying device. BACKGROUND

[0002] Agricultural unmanned plane is a kind of innovative technical equipment applied in agricultural field, it has multiple important functions and advantages, first, in plant protection, can efficiently carry out pesticide, fertilizer spraying operation, compared with traditional manual mode, operation speed is fast, coverage area is wide, and spraying is more uniform, effectively reduce the waste of pesticide and fertilizer, improve utilization rate.

[0003] The existing agricultural unmanned plane generally sets multiple pesticide spraying ports at bottom when spraying medicine, the medicine tank on the surface of unmanned plane is connected with multiple pesticide spraying ports by pipeline, each pipeline is connected with a pesticide spraying port to spray pesticide below, but the position of pesticide spraying port at the lower end of unmanned plane is fixed, cannot be adjusted in the process of spraying pesticide, so that user is difficult to adjust the range of pesticide spraying according to the different size of field, has certain inconvenience. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of for agricultural unmanned plane pesticide spraying device to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for agricultural unmanned plane pesticide spraying device, including unmanned plane body, the inside installation of unmanned plane body has medicine tank, the lateral wall of unmanned plane body is installed with four extension plates, the lower end of extension plate is installed with intercommunication pipeline, the lower end of four intercommunication pipelines is commonly installed with first connecting rod and second connecting rod, the first connecting rod and second connecting rod are perpendicular to each other and are communicated inside, the both ends of first connecting rod and second connecting rod are installed with one pesticide spraying pipe, the lower end of pesticide spraying pipeline is provided with multiple pesticide spraying ports, the surface of pesticide spraying pipe is slidably connected with sleeve, the surface of sleeve is symmetrically installed with two fixed plates, the end close to unmanned plane body of fixed plate is installed with electric push rod, the other end of electric push rod is installed with auxiliary plate, two auxiliary plates are installed on the lateral wall surface of first connecting rod or second connecting rod.

[0006] Preferably, the lower end center position of the unmanned plane body is installed with support main rod, the lower end of the support main rod is connected with the interaction position of the first connecting rod and the second connecting rod, the outer side of the support main rod and the lower end array of the unmanned plane body are installed with multiple support secondary rods, the lower end of multiple support secondary rods is connected with the upper end of the first connecting rod or the second connecting rod.

[0007] Preferably, the lower end of the unmanned aerial vehicle body is symmetrically provided with two support frames, the lower ends of the two support frames extend below the first connecting rod and are not in contact with the first connecting rod and the second connecting rod.

[0008] Preferably, the inner bottom end of the medicine tank is provided with a liquid injection pipe, the outer wall of the liquid injection pipe is provided with a water outlet at the lowermost end, and the outer wall surface of the liquid injection pipe is slidably connected with a water pressing plate.

[0009] Preferably, the inner bottom end of the medicine tank is provided with a liquid injection pipe, the outer wall of the liquid injection pipe is provided with a water outlet at the lowermost end, and the outer wall surface of the liquid injection pipe is slidably connected with a water pressing plate.

[0010] Preferably, the inner bottom end of the medicine tank is provided with a liquid injection pipe, the outer wall of the liquid injection pipe is provided with a water outlet at the lowermost end, and the outer wall surface of the liquid injection pipe is slidably connected with a water pressing plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1、The device is used for agricultural unmanned aerial vehicle pesticide spraying, the medicine liquid in the medicine tank of the unmanned aerial vehicle body enters the connecting pipe through the pipeline installed in the extension plate, enters the inside of the first connecting plate and the second connecting plate, and finally enters the inside of the four pesticide spraying pipes, and is sprayed outward through the pesticide spraying port. The fixed plate and the sleeve can be moved along the length direction of the pesticide spraying pipe by controlling the electric push rod, so that the pesticide spraying port is covered or opened. The plurality of pesticide spraying ports located at the lower end of the surface of the pesticide spraying pipe are arrayed. By changing the position of the sleeve, part of the pesticide spraying ports can be covered, so that the spraying range of the unmanned aerial vehicle body is reduced. Conversely, by changing the position of the sleeve, part of the pesticide spraying ports can be opened, so that the spraying range of the unmanned aerial vehicle body is increased. The sleeves on the surfaces of the four pesticide spraying pipes can be independently operated under the driving of the electric push rod. The user can change the positions of the sleeves on the surfaces of different pesticide spraying pipes through the external controller, so as to multidirectionally change the size of the spraying range of the unmanned aerial vehicle body, and the applicability is stronger.

[0013] 2、The device is used for agricultural unmanned aerial vehicle pesticide spraying. The water pressing plate is installed in the medicine tank, the medicine liquid is injected into the inside of the medicine tank through the liquid injection pipe, the water pressing plate gradually rises along with the rising of the liquid level, the medicine liquid is sprayed outward, the liquid level in the inside of the medicine tank is lowered, and the water pressing plate gradually falls at this time. The medicine liquid in the inside of the medicine tank can be kept in a relatively stable state when the unmanned aerial vehicle body is flying, and large amplitude fluctuation is not generated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the whole structure of the utility model;

[0015] Figure 2 It is a structure schematic view of the unmanned aerial vehicle body of the utility model;

[0016] Figure 3 For the utility model Figure 2 The enlarged view of A in the middle;

[0017] Figure 4 For the internal structure of the medicine tank of the utility model is shown in the figure.

[0018] In the figure: 1, unmanned aerial vehicle body;2, medicine tank;3, liquid injection pipe;4, support frame;5, extension plate;6, communication pipeline;7, first connecting rod;8, second connecting rod;9, limiting plate;10, support main rod;11, support secondary rod;12, electric push rod;13, auxiliary plate;14, pesticide spraying pipe;15, pesticide spraying port;16, sleeve;17, fixed plate;18, guide rod;19, water pressing plate;20, water outlet. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] As Figures 1 to 4The embodiment is used for agricultural unmanned aerial vehicle pesticide spraying device, including unmanned aerial vehicle body 1, the unmanned aerial vehicle body 1 is the existing agricultural unmanned aerial vehicle, the inside of unmanned aerial vehicle body 1 is installed with medicine jar 2, the inside of medicine jar 2 is used to fill in the medicine liquid of spraying, the side wall of unmanned aerial vehicle body 1 is installed with four extension plates 5, four extension plates 5 present the orientation setting of rectangular array, the lower end of extension plate 5 is installed with communication pipeline 6, the inside of extension plate 5 is provided with pipeline, and the pipeline is communicated with communication pipeline 6 and medicine jar 2, the medicine liquid in the inside of medicine jar 2 will enter the inside of communication pipeline 6 through the pipeline, the lower end of four communication pipelines 6 is commonly installed with first connecting rod 7 and second connecting rod 8, first connecting rod 7 and second connecting rod 8 are perpendicular to each other and are communicated inside, first connecting rod 7 and two communication pipelines 6 are communicated, second connecting rod 8 and two communication pipelines 6 are communicated, the two ends of first connecting rod 7 and second connecting rod 8 are both installed with one pesticide spraying pipe 14, a plurality of pesticide spraying openings 15 are formed in the lower end of pesticide spraying pipe 14, and a plurality of pesticide spraying openings 15 are linearly arranged on the surface of pesticide spraying pipe 14.The surface of pesticide spraying pipe 14 is slidably connected with a sleeve 16, the sleeve 16 can slide along the length direction on the surface of pesticide spraying pipe 14, two fixing plates 17 are symmetrically installed on the surface of sleeve 16, one end of fixing plate 17 close to unmanned aerial vehicle body 1 is installed with electric push rod 12, the other end of electric push rod 12 is installed with auxiliary plate 13, two auxiliary plates 13 are installed on the side wall surface of first connecting rod 7 or second connecting rod 8, by changing the position of sleeve 16, part of pesticide spraying openings 15 can be covered, so that the spraying range of unmanned aerial vehicle body 1 is reduced, on the contrary, by changing the position of sleeve 16, part of pesticide spraying openings 15 can be opened, so that the spraying range of unmanned aerial vehicle body 1 is increased, the sleeve 16 on the surface of four pesticide spraying pipes 14 can be independently operated under the driving of electric push rod 12, the user can change the position of sleeve 16 on the surface of different pesticide spraying pipes 14 through external controller, so as to change the size of the spraying range of unmanned aerial vehicle body 1 in multiple directions, and the applicability is stronger.

[0022] Specifically, the lower end of the unmanned aerial vehicle body 1 is installed with a support main rod 10, the lower end of the support main rod 10 is connected with the intersection position of the first connecting rod 7 and the second connecting rod 8, a plurality of support secondary rods 11 are arrayed on the outside of the support main rod 10 and at the lower end of the unmanned aerial vehicle body 1, the lower end of each of the plurality of support secondary rods 11 is connected with the upper end of the first connecting rod 7 or the second connecting rod 8, by connecting the support main rod 10 and the plurality of support secondary rods 11 with the first connecting rod 7 and the second connecting rod 8, the connection stability between the first connecting rod 7, the second connecting rod 8 and the unmanned aerial vehicle body 1 is enhanced.

[0023] Further, the lower end of the unmanned aerial vehicle body 1 is symmetrically provided with two support frames 4, the lower end of each of the two support frames 4 extends below the first connecting rod 7 and does not contact the first connecting rod 7 and the second connecting rod 8, the support frame 4 can contact the ground when the unmanned aerial vehicle body 1 lands, thereby avoiding contact between the unmanned aerial vehicle body 1 and the ground.

[0024] Further, the inside bottom end of the medicine tank 2 is provided with a liquid injection pipe 3, the lowermost end of the outer wall of the liquid injection pipe 3 is provided with a water outlet 20, and the outer wall surface of the liquid injection pipe 3 is slidably connected with a water pressing plate 19. By installing the water pressing plate 19 in the medicine tank 2, injecting liquid medicine into the inside of the medicine tank 2 through the liquid injection pipe 3, as the liquid medicine level rises, the water pressing plate 19 will also gradually rise, and as the liquid medicine is sprayed outward, the liquid medicine level in the medicine tank 2 will decrease, at this time the water pressing plate 19 will also gradually decrease, through the water pressing plate 19, the liquid medicine in the medicine tank 2 can always be in a relatively stable state when the unmanned aerial vehicle body 1 is flying, and will not fluctuate greatly. The medicine tank 2 is symmetrically provided with two guide rods 18 outside the liquid injection pipe 3, both of which are slidably connected with the water pressing plate 19, and the two guide rods 18 can limit and guide the movement track of the water pressing plate 19. The inside bottom end of the side wall of the medicine tank 2 is provided with a limiting plate 9, the height of the limiting plate 9 is higher than the height of the water outlet 20, and the limiting plate 9 can prevent the water pressing plate 19 from descending to the bottom and shielding the water outlet 20.

[0025] The use method of the embodiment is that the liquid medicine in the medicine tank 2 in the unmanned aerial vehicle body 1 enters the connecting pipe through the pipeline installed in the extension plate 5, enters the inside of the first connecting plate and the second connecting plate, and finally enters the four pesticide spraying pipes 14, and is sprayed outward through the pesticide spraying port 15. By controlling the electric push rod 12, the fixed plate 17 and the sleeve 16 can be moved along the length direction of the pesticide spraying pipe 14, thereby covering or opening the pesticide spraying port 15. The plurality of pesticide spraying ports 15 at the lower end of the surface of the pesticide spraying pipe 14 are arrayed, a part of the pesticide spraying ports 15 can be covered by changing the position of the sleeve 16, so that the spraying range of the unmanned aerial vehicle body 1 is reduced, and vice versa, a part of the pesticide spraying ports 15 can be opened by changing the position of the sleeve 16, thereby increasing the spraying range of the unmanned aerial vehicle body 1. The sleeves 16 on the surfaces of the four pesticide spraying pipes 14 can be independently operated under the driving of the electric push rod 12, the user can change the positions of the sleeves 16 on the surfaces of different pesticide spraying pipes 14 through an external controller, thereby multidirectionally changing the size of the spraying range of the unmanned aerial vehicle body 1, and the applicability is stronger.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An agricultural unmanned aerial vehicle pesticide spraying device comprising an unmanned aerial vehicle body (1), characterized in that: The inside of the unmanned aerial vehicle body (1) is provided with a medicine tank (2), the side wall of the unmanned aerial vehicle body (1) is provided with four extension plates (5), the lower end of the extension plate (5) is provided with a communication pipeline (6), the lower end of the four communication pipelines (6) is provided with a first connecting rod (7) and a second connecting rod (8), the first connecting rod (7) and the second connecting rod (8) are perpendicular to each other and are communicated with each other, the two ends of the first connecting rod (7) and the second connecting rod (8) are provided with a medicine spraying pipe (14), a plurality of medicine spraying holes (15) are formed in the lower end of the medicine spraying pipe (14), a sleeve (16) is slidably connected to the surface of the medicine spraying pipe (14), two fixed plates (17) are symmetrically arranged on the surface of the sleeve (16), an electric push rod (12) is arranged on one end of the fixed plate (17) close to the unmanned aerial vehicle body (1), an auxiliary plate (13) is arranged on the other end of the electric push rod (12), and the two auxiliary plates (13) are arranged on the side wall surface of the first connecting rod (7) or the second connecting rod (8).

2. The agricultural drone pesticide spraying device according to claim 1, characterized in that: The lower end of the unmanned aerial vehicle body (1) is provided with a support main rod (10), the lower end of the support main rod (10) is connected with the intersection position of the first connecting rod (7) and the second connecting rod (8), a plurality of support secondary rods (11) are arranged on the outer side of the support main rod (10) and the lower end of the unmanned aerial vehicle body (1), and the lower end of the plurality of support secondary rods (11) is connected with the upper end of the first connecting rod (7) or the second connecting rod (8).

3. The agricultural drone pesticide spraying device according to claim 1, characterized in that: The lower end of the unmanned aerial vehicle body (1) is provided with two support frames (4), the lower end of the two support frames (4) extends below the first connecting rod (7) and is not in contact with the first connecting rod (7) and the second connecting rod (8).

4. The agricultural drone pesticide spraying device according to claim 1, characterized in that: The inside of the medicine tank (2) is provided with a liquid injection pipe (3), the lower end of the outer wall of the liquid injection pipe (3) is provided with a water outlet (20), and the outer wall surface of the liquid injection pipe (3) is slidably connected with a water pressing plate (19).

5. The agricultural drone pesticide spraying device according to claim 4, characterized in that: The inside of the medicine tank (2) is provided with two guide rods (18) symmetrically arranged outside the liquid injection pipe (3), and the two guide rods (18) are slidably connected with the water pressing plate (19).

6. The pesticide spraying device for agricultural drone of claim 5, wherein: The inside of the medicine tank (2) is provided with a limiting plate (9) on the side wall bottom, and the height of the limiting plate (9) is higher than the height of the water outlet (20).