Pesticide quantitative liquid adding control device of helicopter spraying equipment

Abstract

The utility model discloses a pesticide quantitative liquid adding control device of helicopter spraying equipment, belongs to the technical field of agricultural machinery, and aims to solve the technical problem that in the prior art, the pesticide adding amount is not easy to control in the pesticide spraying process through an unmanned aerial vehicle. The pesticide quantitative liquid adding control device of the helicopter spraying equipment comprises a mixing box assembled at the bottom of an unmanned aerial vehicle, a stirring piece is assembled on the mixing box, a spraying plate is arranged at the bottom of the mixing box, a pesticide box is assembled at the top of the mixing box, and a pesticide dripping pipe extending into the mixing box is arranged on the lower surface of the pesticide box. A pressurizing assembly used for pressurizing the interior of the medicine box is assembled on the medicine box. According to the pesticide quantitative liquid adding control device of the helicopter spraying equipment, pesticide liquid can be mixed according to the usage amount, waste caused by excessive mixing of the pesticide liquid is avoided, the pressurization amount towards the pesticide box can be controlled, control over the pesticide adding amount is achieved, and convenience is provided for pesticide applying operation of agricultural crops.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of agricultural machinery, concretely relates to a pesticide quantitative liquid adding control device of helicopter spraying equipment. BACKGROUND

[0002] Pesticides play a crucial role in agricultural production, mainly used for preventing and controlling pests, weeds and fungal diseases during the growth of crops. By spraying pesticides, it can effectively protect crops from pests and diseases, thereby improving the yield and quality of crops.

[0003] With the rapid development of science and technology, pesticide spraying technology is also constantly progressing, and the application of modern pesticide spraying equipment such as unmanned aerial vehicles and intelligent sprayers improves the accuracy and efficiency of pesticide spraying. However, there are still some problems in the use of pesticides by farmers, and in the process of spraying pesticides by unmanned aerial vehicles, the method of manually adding pesticides for pesticide mixing is usually adopted, which is low in efficiency, and the amount of pesticide added is not easy to control, which is prone to the phenomenon of excessive or insufficient pesticide addition. Therefore, the present application provides a pesticide quantitative liquid adding control device of helicopter spraying equipment. SUMMARY

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a pesticide quantitative liquid adding control device of helicopter spraying equipment, which aims to solve the technical problem of not easy to control the amount of pesticide added in the process of spraying pesticides by unmanned aerial vehicles under the prior art.

[0005] TECHNICAL SCHEME

[0006] In order to solve the above technical problems, the utility model provides a pesticide quantitative liquid adding control device of helicopter spraying equipment, which comprises a mixing box assembled at the bottom of the unmanned aerial vehicle, a stirring part is assembled on the mixing box, a spraying plate is arranged at the bottom of the mixing box, a medicine box is assembled at the top of the mixing box, a medicine dropping pipe is arranged on the lower surface of the medicine box and extends into the mixing box, a pressurizing assembly is assembled on the medicine box for pressurizing towards the medicine box; the pressurizing assembly comprises a gas cylinder horizontally assembled on the upper surface of the medicine box and an electric push rod, the gas cylinder and the electric push rod are distributed along the same length direction, one end of the gas cylinder is communicated with the inside of the medicine box, a connecting rod is movably arranged in the gas cylinder, one end of the connecting rod is connected with a piston, the other end of the connecting rod extends out of the gas cylinder and is connected with a connecting plate, and the telescopic end of the electric push rod is connected with the connecting plate.

[0007] Preferably, the electric push rod and the gas cylinder are provided with two pairs of each, and each pair of the gas cylinder and the electric push rod is fixedly sleeved with a fixed plate at both ends, and the fixed plate is fixed on the upper surface of the medicine box.

[0008] Preferably, the medicine box is provided with a medicine adding opening, and the medicine adding opening is provided with a sealing cover; and the mixing box is provided with a water adding opening at the top position.

[0009] Preferably, vertical suspending rods are fixed at the four corners of the upper surface of the mixing box, and the mixing box is suspended and fixed at the bottom of the unmanned aerial vehicle through the four suspending rods.

[0010] Preferably, the spraying plate is provided in a strip-shaped structure, and a plurality of nozzles are uniformly arranged at the bottom of the spraying plate and communicated with the mixing box.

[0011] Preferably, the stirring member comprises a shaft vertically rotatably arranged in the mixing box, a paddle arranged at the bottom end of the shaft, and a motor arranged on the upper surface of the mixing box, wherein the output shaft of the motor is coaxially connected with the shaft.

[0012] Preferably, the medicine box is provided in a ring-shaped structure, and a plurality of medicine dropping tubes are uniformly arranged at the lower surface of the medicine box.

[0013] Preferably, a rubber plug is fixedly arranged in the medicine dropping tube, and a medicine dropping gap is formed in the rubber plug and communicated with the inside and outside of the medicine box.

[0014] Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0016] The utility model discloses a medicine box and a pressurizing assembly, utilize the electric push rod and drive the piston to move to the connecting end far from the air cylinder and the medicine box, inject the pesticide through the medicine adding opening into the medicine box and seal, inject the water in the mixing box, at this time, drive the piston to move to the connecting end of the air cylinder and the medicine box through the electric push rod, pressurize to the medicine box, the pesticide in the medicine box can be squeezed and dropped into the mixing box from the medicine dropping gap on the rubber plug in the medicine dropping tube under the pressure, and the pesticide and the water in the mixing box are stirred and mixed through the stirring member, so that the pesticide solution mixing can be realized, the plurality of nozzles at the bottom of the spraying plate can be used to carry out the pesticide spraying operation in the process of the unmanned aerial vehicle flight, the automatic agricultural crop pesticide application operation is realized, after the pesticide solution mixed in the mixing box is sprayed, inject the water into the mixing box again, and drive the piston to move to pressurize in the medicine box, the pesticide solution can be mixed in the mixing box again, the pesticide solution can be mixed according to the use amount, the waste caused by the pesticide solution mixing excess is avoided, and the amount of the pesticide added into the mixing box can be controlled by controlling the amount of the piston moved through the electric push rod, so that the amount of the pesticide added into the mixing box can be controlled, and the pesticide application operation of the agricultural crop is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings described below are only some embodiments of the present application, and not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0018] Figure 1 The structure diagram of the unmanned aerial vehicle to which the present application is assembled is shown in the figure.

[0019] Figure 2 The overall structure diagram of the present application is shown in the figure.

[0020] Figure 3 The structure diagram of the medicine box in the present application is shown in the figure.

[0021] Figure 4 The structure diagram of the pressurizing assembly in the present application is shown in the figure.

[0022] Figure 5 The structure diagram of the spraying plate in the present application is shown in the figure.

[0023] Figure 6 The structure diagram of the stirring part in the present application is shown in the figure.

[0024] Figure 7 The structure diagram of the medicine box from the bottom perspective in the present application is shown in the figure.

[0025] Figure 8 The structure diagram of the medicine dropping tube in the present application is shown in the figure.

[0026] The marks in the figure are: 1, unmanned aerial vehicle; 2, mixing box; 3, spraying plate; 4, medicine box; 5, stirring part; 6, pressurizing assembly; 7, water inlet; 8, boom; 9, medicine inlet; 10, air cylinder; 11, electric push rod; 12, fixed plate; 13, connecting rod; 14, piston; 15, connecting plate; 16, nozzle; 17, shaft; 18, paddle; 19, motor; 20, medicine dropping tube; 21, rubber plug; 22, medicine dropping seam. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0028] The present embodiment provides a helicopter spraying equipment pesticide quantitative liquid adding control device, and its structure schematic diagram is as shown inFigures 1-8 As shown, it comprises a mixing box 2 assembled at the bottom of the unmanned aerial vehicle 1, a stirring piece 5 assembled on the mixing box 2, a spraying plate 3 arranged at the bottom of the mixing box 2, a medicine box 4 assembled on the top of the mixing box 2, a medicine dropping pipe 20 arranged on the lower surface of the medicine box 4 and extending into the mixing box 2, and a pressurizing assembly 6 assembled on the medicine box 4 and used for pressurizing the medicine box 4. The pressurizing assembly 6 comprises an air cylinder 10 and an electric push rod 11 horizontally assembled on the upper surface of the medicine box 4 and arranged in the same length direction, one end of the air cylinder 10 is communicated with the inside of the medicine box 4, a connecting rod 13 is movably arranged in the air cylinder 10, one end of the connecting rod 13 is connected with a piston 14, the other end of the connecting rod 13 extends out of the air cylinder 10 and is connected with a connecting plate 15, and the telescopic end of the electric push rod 11 is connected with the connecting plate 15. Through the above structure, the piston 14 is driven by the electric push rod 11 to move towards the communication end of the air cylinder 10 and the medicine box 4, so as to pressurize the medicine box 4. The pesticide in the medicine box 4 drops into the mixing box 2 under the action of the pressure, and the pesticide and water in the mixing box 2 are stirred and mixed by the stirring piece 5, so that the pesticide solution can be mixed. The spraying plate 3 can be used for pesticide spraying during the flight of the unmanned aerial vehicle 1, so that the automatic agricultural pesticide application can be realized. After the pesticide solution mixed in the mixing box 2 is sprayed, water is injected into the mixing box 2 again, and the piston 14 is driven to move towards the medicine box 4 to pressurize the medicine box 4, so that the pesticide solution can be mixed in the mixing box 2 again. The pesticide solution can be mixed according to the use amount, so that the waste caused by excessive pesticide solution mixing can be avoided. The amount of pressurization towards the medicine box 4 can be controlled by controlling the moving amount of the piston 14 driven by the electric push rod 11, and then the amount of pesticide added into the mixing box 2 from the medicine box 4 can be controlled, so that the control of the pesticide addition amount can be realized.

[0029] In the embodiment, two pairs of the electric push rod 11 and the air cylinder 10 are arranged, so as to expand the pressurization amount of the inside of the medicine box 4. The two ends of each pair of the air cylinder 10 and the electric push rod 11 are fixedly sleeved with a fixed plate 12, the fixed plate 12 is fixed on the upper surface of the medicine box 4, a medicine adding port 9 is arranged on the medicine box 4, a sealing cover is arranged on the medicine adding port 9, and the medicine adding port 9 is used for adding pesticide into the medicine box 4. A water adding port 7 is arranged at the top position of the mixing box 2, and the water adding port 7 is used for adding water into the mixing box 2. Four hanging rods 8 are vertically fixed at the four corners of the upper surface of the mixing box 2, and the mixing box 2 is suspended and fixed on the bottom of the unmanned aerial vehicle 1 by the four hanging rods 8.

[0030] In the embodiment, the spraying plate 3 is arranged in a strip-shaped structure, a plurality of nozzles 16 are uniformly arranged on the bottom of the spraying plate 3, the plurality of nozzles 16 are communicated with the mixing box 2 through the spraying plate 3, and the plurality of nozzles 16 are used for spraying the mixed pesticide.

[0031] In the embodiment, the stirring piece 5 comprises a shaft 17 vertically rotatably arranged in the mixing box 2, a paddle 18 arranged at the bottom end of the shaft 17, and a motor 19 arranged on the upper surface of the mixing box 2, the output shaft of the motor 19 is coaxially connected with the shaft 17, and the motor 19 is started to drive the shaft 17 and the paddle 18 to rotate, so as to stir and mix the pesticide and water in the mixing box 2.

[0032] In the embodiment, the medicine box 4 is arranged in a circular ring structure, and is flattened to reduce the assembly height, so as to facilitate the mounting of the medicine box 4 and the mixing box 2 on the bottom of the unmanned aerial vehicle 1. The plurality of medicine dropping pipes 20 are arranged on the lower surface of the medicine box 4, and the uniform arrangement of the plurality of medicine dropping pipes 20 can make the pesticide uniformly drop into the mixing box 2, which is beneficial to the uniform mixing of the pesticide. The rubber plug 21 is fixedly arranged in the medicine dropping pipe 20, and the medicine dropping slot 22 is arranged on the rubber plug 21. The medicine dropping slot 22 is connected between the inside and the outside of the medicine box 4. After the pressure in the medicine box 4 is increased, the pesticide can be extruded and dropped into the mixing box 2 through the medicine dropping slot 22 on the rubber plug 21 in the medicine dropping pipe 20. After the pressure in the medicine box 4 is maintained, the rubber plug 21 can block the medicine dropping pipe 20.

[0033] Working principle: in use, the electric push rod 11 is started to drive the piston 14 to move away from the connecting end of the air cylinder 10 and the medicine box 4 through the connecting plate 15 and the connecting rod 13, the pesticide is injected into the medicine box 4 through the medicine inlet 9 and is covered, the water is injected into the mixing box 2 through the water inlet 7, the unmanned aerial vehicle 1 carries the mixing box 2 and the medicine box 4 to take off, then the electric push rod 11 is started to drive the piston 14 to move towards the connecting end of the air cylinder 10 and the medicine box 4, and the pressure in the medicine box 4 is increased, the pesticide in the medicine box 4 is extruded and dropped into the mixing box 2 through the medicine dropping slot 22 on the rubber plug 21 in the medicine dropping pipe 20 under the action of the pressure, and the motor 19 is started to drive the shaft 17 and the paddle 18 to rotate, so as to stir and mix the pesticide and water in the mixing box 2, then the plurality of nozzles 16 on the bottom of the spraying plate 3 can be used to spray the pesticide during the flight of the unmanned aerial vehicle 1, so as to realize the automatic agricultural pesticide application, and the amount of pressure towards the medicine box 4 can be controlled by controlling the movement of the piston 14 driven by the electric push rod 11, so as to control the amount of pesticide added into the mixing box 2 from the medicine box 4, and the control of the amount of pesticide added is realized, which provides convenience for the agricultural pesticide application.

[0034] All the technical features in the embodiment can be freely combined according to actual needs.

[0035] 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 part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A pesticide quantitative liquid feeding control device for a helicopter spraying equipment, comprising a mixing box (2) mounted on the bottom of a unmanned aerial vehicle (1), characterized in that: a stirring part (5) is mounted on the mixing box (2), a spraying plate (3) is arranged at the bottom of the mixing box (2), a medicine box (4) is mounted on the top of the mixing box (2), the lower surface of the medicine box (4) is provided with a medicine dropping pipe (20) extending into the mixing box (2), and a pressurizing assembly (6) for pressurizing towards the inside of the medicine box (4) is mounted on the medicine box (4). The pressurizing assembly (6) comprises air cylinders (10) horizontally mounted on the upper surface of the medicine box (4) and electric push rods (11), the air cylinders (10) and the electric push rods (11) are distributed along the same length direction, one end of the air cylinder (10) is in communication with the inside of the medicine box (4), a connecting rod (13) is movably arranged in the air cylinder (10), one end of the connecting rod (13) is connected with a piston (14), the other end of the connecting rod (13) extends out of the air cylinder (10) and is connected with a connecting plate (15), and the telescopic end of the electric push rod (11) is connected with the connecting plate (15).

2. The pesticide quantitative liquid feeding control device for a spraying apparatus of a helicopter according to claim 1, wherein The electric push rod (11) and the air cylinder (10) are provided with two pairs of fixed plates (12) in total, and the two ends of each pair of the air cylinder (10) and the electric push rod (11) are fixedly sleeved with a fixed plate (12), and the fixed plate (12) is fixed on the upper surface of the medicine box (4).

3. The pesticide quantitative liquid feeding control device for a spraying apparatus of a helicopter according to claim 1, wherein A medicine feeding opening (9) is arranged on the medicine box (4), the medicine feeding opening (9) is provided with a sealing cover, and a water feeding opening (7) is arranged at a position on the top of the mixing box (2).

4. The pesticide quantitative liquid feeding control device for a spraying apparatus of a helicopter according to claim 1, wherein Vertical hangers (8) are fixed at the four corners of the upper surface of the mixing box (2), and the mixing box (2) is suspended and fixed on the bottom of the unmanned aerial vehicle (1) through the four hangers (8).

5. The pesticide quantitative liquid feeding control device for a spraying apparatus of a helicopter according to claim 1, wherein The spraying plate (3) is arranged in a long strip structure, a plurality of nozzles (16) are uniformly arranged at the bottom of the spraying plate (3), and the plurality of nozzles (16) are in communication with the mixing box (2) through the spraying plate (3).

6. The pesticide quantitative liquid feeding control device for a helicopter spraying equipment according to claim 1, characterized in that, The stirring part (5) comprises a shaft (17) vertically and rotatably arranged in the mixing box (2), a paddle (18) mounted at the bottom end of the shaft (17), and a motor (19) mounted on the upper surface of the mixing box (2), wherein the output shaft of the motor (19) is coaxially connected with the shaft (17).

7. The pesticide quantitative liquid feeding control device for a spraying apparatus of a helicopter according to claim 1, wherein The medicine box (4) is arranged in a circular ring structure, and a plurality of medicine dropping pipes (20) are uniformly arranged on the lower surface of the medicine box (4).

8. The pesticide quantitative liquid feeding control device for a spraying apparatus of a helicopter according to claim 7, wherein A rubber plug (21) is fixedly arranged in the medicine dropping pipe (20), a medicine dropping seam (22) is formed in the rubber plug (21), and the medicine dropping seam (22) is in communication with the inside and outside of the medicine box (4).

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