Adjustable unmanned aerial vehicle for plant protection spray irrigation

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an adjustable unmanned aerial vehicle for plant protection spray irrigation, which comprises a vehicle body, four flying propellers distributed at equal intervals in the circumferential direction are arranged on the vehicle body, a load-bearing truss and a load-bearing base are fixedly mounted at the upper end and the lower end of the vehicle body respectively, and a load-bearing tray is integrally connected in the load-bearing base. A container box for filling a pesticide solution is fixedly embedded in the loading tray, and a driving motor is fixedly mounted in the machine body. The central disc, the square frame outer frame and the four reinforcing ribs are utilized to form a balanced machine body structure, so that solution water drops sprayed by the high-pressure spray head are splashed, and the sprinkling range is enlarged; the geographic information system processor and the global positioning system processor are arranged in the unmanned aerial vehicle body, so that the unmanned aerial vehicle can navigate in a fixed route according to positioning, and accurate all-directional full-coverage pesticide spray irrigation is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to an adjustable unmanned aerial vehicle for plant protection and sprinkler irrigation. Background Art

[0002] Drones have begun to be used in various industries, and there are more and more plant protection drones used in agriculture. Plant protection drones are mostly used for spraying pesticides. Plant protection drones have a long working time when spraying pesticides, and nozzles are installed on the drone's arms.

[0003] The prior art uses a crop protection drone disclosed in announcement number CN108423165B, which uses a single-type arm mechanism. Because the arm is fixedly installed relative to the body, the nozzle installed thereon can only spray in a single direction, which seriously limits the range of spraying. At the same time, because there is inertia in the process of continuous movement of the drone, the sprayed pesticide solution has a lag, resulting in a blind spot for spraying in the front direction of the drone. In particular, the existing drones have not been equipped with accurate positioning measures, so it is difficult to effectively locate the working area of ​​the drone, and it is impossible to determine the spraying position. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the fixed structure of the UAV sprinkler affects the sprinkler effect, and proposes an adjustable UAV for plant protection sprinkler irrigation.

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

[0006] An adjustable drone for crop protection and sprinkler irrigation comprises a body, the body is provided with four circumferentially equidistantly distributed flying propellers, and the upper and lower ends of the body are respectively fixedly mounted with a load-bearing truss and a load-bearing base, the load-bearing base is integrally connected with a load-bearing tray, a container box for filling pesticide solution is fixedly embedded on the load-bearing tray, a drive motor is fixedly mounted in the body, and the body is provided with a sprinkler irrigation mechanism driven by the drive motor through the load-bearing truss, and a geographic information system processor and a global positioning system processor connected by electrical signals are arranged at the front end of the body.

[0007] Preferably, the body is composed of a central disc, a square outer frame and four reinforcing ribs, the four flying propellers are located at the four corners of the square outer frame, and the driving motor is located in the central disc.

[0008] Preferably, the sprinkler mechanism comprises an opening and closing support arm with a pin mounted on the outer frame of the square frame, a rubber hose is fixedly connected between the opening and closing support arm and the container box, and a high-pressure nozzle is threadedly connected to the opening and closing support arm, a ball screw fixedly connected to the output end of the drive motor is rotatably mounted between the machine body and the load-bearing truss, and a lifting nut is adapted to be mounted on the ball screw, a guide rod slidably sleeved in the load-bearing truss is integrally connected to the lifting nut, and a first traction connecting rod is connected between the lifting nut and the opening and closing support arm;

[0009] The machine body is provided with a liquid lifting assembly through a ball screw for evenly spraying and irrigating in cooperation with a spray head.

[0010] Preferably, the opening and closing support arms are symmetrically arranged at left and right sides of the square frame outer frame, and the two ends of the first traction link are respectively connected to the lifting nut and the opening and closing support arm pin.

[0011] Preferably, the liquid lifting assembly includes a driving gear keyed to a ball screw, a driven shaft is rotatably mounted in the load-bearing truss, and a driven gear meshing with the driving gear is keyed to the driven shaft, an eccentrically arranged boosting plate is integrally connected to the lower end of the driven shaft, a T-shaped telescopic member that slides against the boosting plate is slidably mounted in the load-bearing truss, and a return spring welded to the load-bearing truss is fixedly mounted on the T-shaped telescopic member, an opening and closing panel corresponding to the high-pressure nozzle is pin-mounted at both ends of the front and rear ends of the square frame outer frame, and a second traction link is connected between the opening and closing panel and the T-shaped telescopic member.

[0012] Preferably, both ends of the second traction link are respectively connected to the opening and closing panel and the T-shaped telescopic member pin.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. The utility model utilizes a center disk, a square frame and four reinforcing ribs to form a balanced body structure, and a large-volume container box is arranged through a load-bearing truss, a load-bearing base and a load-bearing tray. The driving motor drives the ball screw to rotate, so that the lifting nut drives the opening and closing arm equipped with a high-pressure sprinkler to adjust the tilt, so as to adjust the spraying range of the high-pressure sprinkler.

[0015] 2. The utility model utilizes the transmission connection between the ball screw and the driven shaft to enable the T-shaped telescopic member to drive the opening and closing panel to open and close, thereby spraying the solution droplets sprayed by the high-pressure nozzle to increase the spraying range of the sprinkler irrigation.

[0016] 3. The utility model sets a geographic information system processor and a global positioning system processor in the drone body so that the drone can navigate a fixed route according to the positioning, thereby achieving accurate all-round and full-coverage pesticide spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of an adjustable drone for plant protection and sprinkler irrigation proposed by the utility model;

[0018] Figure 2 This is a top view of the body structure of an adjustable UAV for plant protection and sprinkler irrigation proposed in the utility model;

[0019] Figure 3 This is a bottom view of an adjustable drone for plant protection and sprinkler irrigation proposed by the utility model;

[0020] Figure 4 This is a cross-sectional view of an adjustable drone for plant protection and sprinkler irrigation proposed by the utility model;

[0021] Figure 5 This is an enlarged schematic diagram of the structure of part A of an adjustable UAV for crop protection and sprinkler irrigation proposed by the utility model.

[0022] In the figure: 1. body; 101. center disc; 102. square frame; 103. reinforcing ribs; 2. flying paddle; 3. load-bearing truss; 4. load-bearing base; 5. load-bearing tray; 6. container box; 7. opening and closing support arm; 8. rubber hose; 9. high-pressure nozzle; 10. driving motor; 11. ball screw; 12. lifting nut; 13. guide rod; 14. first traction link; 15. driven shaft; 16. driving gear; 17. driven gear; 18. booster plate; 19. T-type telescopic member; 20. return spring; 21. opening and closing panel; 22. second traction link; 23. geographic information system processor; 24. global positioning system processor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-Figure 5 An adjustable UAV for crop protection and sprinkler irrigation includes a body 1, on which are arranged four circumferentially equidistantly distributed flying paddles 2, which are driven by an adapted motor to rotate to provide flying power for the body 1, and a load-bearing truss 3 and a load-bearing base 4 are fixedly installed at the upper and lower ends of the body 1, respectively, and a load-bearing tray 5 is integrally connected to the load-bearing base 4, and a container box 6 for filling a pesticide solution is fixedly embedded on the load-bearing tray 5, and the pesticide solution is filled by using the container box 6, and a driving motor 10 is fixedly installed in the body 1.

[0025] The machine body 1 is provided with a sprinkler mechanism driven by a drive motor 10 through a load-bearing truss 3. The sprinkler mechanism includes an opening and closing arm 7 whose pin is installed on a square frame 102. A rubber hose 8 is fixedly connected between the opening and closing arm 7 and the container box 6. The rubber hose 8 can meet the adjustment needs of the opening and closing arm 7, and a high-pressure nozzle 9 is threadedly connected to the opening and closing arm 7. A ball screw 11 fixedly connected to the output end of the drive motor 10 is rotatably installed between the machine body 1 and the load-bearing truss 3, and a lifting nut 12 is adapted to be installed on the ball screw 11. A guide rod 13 slidably sleeved in the load-bearing truss 3 is integrally connected to the lifting nut 12, and a first traction link 14 is connected between the lifting nut 12 and the opening and closing arm 7. The lifting nut 12 that moves up and down pulls the opening and closing arm 7 through the first traction link 14, so that the opening and closing arm 7 drives the high-pressure nozzle 9 to adjust the height and angle, thereby adjusting the sprinkler range of the high-pressure nozzle 9.

[0026] The machine body 1 is provided with a liquid lifting assembly for uniformly spraying irrigation with the nozzle through a ball screw 11, and the liquid lifting assembly includes a driving gear 16 keyed to the ball screw 11, a driven shaft 15 is rotatably installed in the load-bearing truss 3, and a driven gear 17 meshingly connected to the driving gear 16 is keyed to the driven shaft 15, and an eccentrically arranged booster plate 18 is integrally connected to the lower end of the driven shaft 15, and a T-shaped telescopic member 19 slidingly abutting against the booster plate 18 is provided in the load-bearing truss 3, and the T A return spring 20 welded to the load-bearing truss 3 is fixedly mounted on the T-shaped telescopic member 19, and an opening and closing panel 21 corresponding to the high-pressure nozzle 9 is pin-mounted at both the front and rear ends of the square outer frame 102, and a second traction link 22 is connected between the opening and closing panel 21 and the T-shaped telescopic member 19, and both ends of the second traction link 22 are pin-connected to the opening and closing panel 21 and the T-shaped telescopic member 19 respectively. The opening and closing panel 21 intercepts the lagging pesticide solution in the open state to allow the pesticide solution to extend forward.

[0027] A geographic information system processor 23 and a global positioning system processor 24 connected by electrical signals are arranged at the front end of the body 1, wherein the geographic information system processor 23 is GIS and the global positioning system processor 24 is GPS, so as to manage the position of the UAV.

[0028] The body 1 is composed of a central disk 101, a square frame 102 and four reinforcing ribs 103. The four flying propellers 2 are located at the four corners of the square frame 102, and the driving motor 10 is located in the central disk 101. The body 1 is used to provide stable support and traction for the container box 6 to ensure the overall balance of the drone.

[0029] The opening and closing support arms 7 are symmetrically arranged at the left and right sides of the square frame outer frame 102, and the two ends of the first traction link 14 are respectively connected to the lifting nut 12 and the opening and closing support arms 7 with pins.

[0030] It should be noted that the specific model and specifications of the motor need to be selected and determined based on the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be repeated.

[0031] The functional principle of the utility model can be explained through the following operation modes:

[0032] The drive motor 10 is controlled to be turned on, and the output end of the drive motor 10 drives the ball screw 11 to rotate, so that the lifting nut 12 moves up and down, and the opening and closing arm 7 is pulled by the first traction link 14, so that the opening and closing arm 7 drives the high-pressure sprinkler 9 to tilt, thereby adjusting the sprinkler irrigation range;

[0033] The ball screw 11 drives the driven shaft 15 to deflect through the driving gear 16 and the driven gear 17, and the driven shaft 15 drives the booster plate 18 to squeeze the T-shaped telescopic member 19, so that the T-shaped telescopic member 19 extends in the load-bearing truss 3, and supports the opening and closing panel 21 through the second traction link 22;

[0034] During the flight of the drone, the solution sprayed from the high-pressure nozzle 9 has hysteresis due to inertia, and the solution is intercepted by the opening and closing panel 21 to extend forward;

[0035] The UAV is accurately positioned by the GPS processor 24 , and the flight route of the UAV is set by the GIS processor 23 .

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable drone for crop protection and sprinkler irrigation, comprising a body (1), characterized in that: The machine body (1) is provided with four circumferentially equidistantly distributed flying paddles (2), and a load-bearing truss (3) and a load-bearing base (4) are respectively fixedly installed at the upper and lower ends of the machine body (1), a load-bearing tray (5) is integrally connected to the load-bearing base (4), and a container box (6) for filling pesticide solution is fixedly embedded on the load-bearing tray (5), a drive motor (10) is fixedly installed in the machine body (1), and the machine body (1) is provided with a sprinkler mechanism driven by the drive motor (10) through the load-bearing truss (3), and a geographic information system processor (23) and a global positioning system processor (24) connected by electrical signals are provided at the front end of the machine body (1).

2. The adjustable drone for crop protection and sprinkler irrigation according to claim 1, characterized in that: The body (1) is composed of a central disc (101), a square frame (102) and four reinforcing ribs (103); the four flying paddles (2) are located at the four corners of the square frame (102), and the driving motor (10) is located in the central disc (101).

3. The adjustable drone for crop protection and sprinkler irrigation according to claim 2, characterized in that: The sprinkler mechanism comprises an opening and closing support arm (7) which is pin-mounted on a square frame (102); a rubber hose (8) is fixedly connected between the opening and closing support arm (7) and the container box (6); and a high-pressure nozzle (9) is threadedly connected to the opening and closing support arm (7); a ball screw (11) which is fixedly connected to the output end of a drive motor (10) is rotatably mounted between the machine body (1) and the load-bearing truss (3); and a lifting nut (12) is adapted to be mounted on the ball screw (11); a guide rod (13) which is slidably mounted in the load-bearing truss (3) is integrally connected to the lifting nut (12); and a first traction link (14) is connected between the lifting nut (12) and the opening and closing support arm (7); The machine body (1) is provided with a liquid lifting assembly through a ball screw (11) that cooperates with a spray head to spray evenly.

4. The adjustable drone for crop protection and sprinkler irrigation according to claim 3, characterized in that: The opening and closing support arms (7) are symmetrically arranged at left and right sides of the square frame outer frame (102), and the two ends of the first traction connecting rod (14) are respectively connected to the lifting nut (12) and the pin shaft of the opening and closing support arms (7).

5. The adjustable drone for crop protection and sprinkler irrigation according to claim 4, characterized in that: The liquid lifting assembly comprises a driving gear (16) keyed to a ball screw (11); a driven shaft (15) is rotatably mounted in the load-bearing truss (3); and a driven gear (17) meshingly connected to the driving gear (16) is keyed to the driven shaft (15); an eccentrically arranged boosting plate (18) is integrally connected to the lower end of the driven shaft (15); a T-shaped telescopic member (19) slidingly abutting against the boosting plate (18) is slidably mounted in the load-bearing truss (3); and a return spring (20) welded to the load-bearing truss (3) is fixedly mounted on the T-shaped telescopic member (19); and an opening and closing panel (21) corresponding to the high-pressure nozzle (9) is pin-mounted at both the front and rear ends of the square frame outer frame (102); and a second traction link (22) is connected between the opening and closing panel (21) and the T-shaped telescopic member (19).

6. The adjustable drone for crop protection and sprinkler irrigation according to claim 5, characterized in that: The two ends of the second traction link (22) are respectively connected to the opening and closing panel (21) and the T-shaped telescopic member (19) with pins.

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