Unmanned aerial vehicle pesticide spraying device for pest control

Abstract

The utility model provides an unmanned aerial vehicle pesticide spraying device for pest control, and relates to the field of unmanned aerial vehicle planting, the unmanned aerial vehicle pesticide spraying device comprises an unmanned aerial vehicle body (10), four sides of the unmanned aerial vehicle body (10) are symmetrically and fixedly provided with mechanical arms (11), and one end, far away from the unmanned aerial vehicle body (10), of each mechanical arm (11) is provided with a rotor wing (12); a pesticide spraying assembly is arranged on the bottom surface of the unmanned aerial vehicle body (10) through multiple groups of mounting brackets (13), and the pesticide spraying assembly comprises a bearing cross rod (21), a double-end lead screw (22) and two groups of spraying mechanisms; a pesticide storage box (30) is arranged in the middle of the lower side of the pesticide spraying assembly and connected with the bottom face of the unmanned aerial vehicle body (10) through a positioning support (14), and the two sides of the pesticide storage box (30) communicate with the spraying mechanism through folding corrugated pipes (31) correspondingly. The pesticide spraying device can adjust the spraying width according to the planting spacing of different crops, and is wide in application range and accurate in spraying.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane planting technical field, concretely relates to a pest control unmanned plane pesticide spraying device. BACKGROUND

[0002] The agricultural unmanned plane, i.e. the plant protection unmanned plane, is mainly used for the pesticide spraying, fertilization, seeding, pest detection, crop growth monitoring and other agricultural production fields of farmland, and has the advantages of high operation efficiency, high spraying precision, wide terrain adaptability, safety and reliability and the like. A pesticide spraying suspension device of an unmanned plane is disclosed in Chinese patent document CN221430006U, which drives the limiting sliding block to slide outward in the limiting sliding groove through the pull rod and compresses the spring, so as to realize the insertion of the pesticide spraying assembly into the suspension bin. However, the unmanned plane spraying device cannot adjust the spraying range according to the row spacing of different planting crops, i.e. the spraying width of the unmanned plane pesticide spraying assembly cannot be flexibly adjusted, so that the pesticide solution cannot be accurately sprayed onto the surfaces of crops or plants with different spacings, and the application range is narrow. SUMMARY

[0003] In view of the problems existing in the prior art, the purpose of the utility model is to provide a pesticide spraying device for pest control, which can adjust the spraying width according to the planting spacing of different crops, so as to adapt to the pesticide spraying of different planting crops, has a wide application range, accurate spraying, effectively avoids the waste of pesticide solution, and realizes the real-time prevention and control of pests.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] The utility model relates to a kind of unmanned plane pesticide spraying device for pest control, including unmanned plane body, unmanned plane body four sides symmetry and fixedly set mechanical arm, mechanical arm is away from the end of unmanned plane body and is provided with rotor;The bottom surface of unmanned plane body is provided with pesticide spraying assembly by multiple groups of mounting support, and the pesticide spraying assembly includes bearing cross bar, double-end screw and two groups of spraying mechanism, bearing cross bar is connected in the bottom of mounting support and two horizontal sliding grooves are symmetrically opened in the bottom of bearing cross bar, double-end screw is rotationally arranged in bearing cross bar and it is correspondingly provided with two thread segments of opposite rotation direction in two horizontal sliding grooves, two groups of spraying mechanism are symmetrically arranged and they are respectively slidably connected in two horizontal sliding grooves, and two groups of spraying mechanism are respectively penetrated by corresponding thread segment and are connected by screw thread;Medicine storage box is provided in the middle of the lower side of pesticide spraying assembly, and the medicine storage box is connected with the bottom surface of unmanned plane body by positioning support, and the two sides of the medicine storage box are respectively communicated with spraying mechanism by folding bellows.

[0006] Based on the further optimization of the above scheme, the bottom surface of the unmanned plane body and located on the two sides of the medicine storage box are respectively provided with landing gear, which is a "pi" structure, and the hollow position is provided with the pesticide spraying assembly.

[0007] Based on the further optimization of the above scheme, the spraying mechanism includes a sliding block, a connecting column, a positioning box and a spray head, the sliding block is slidably connected in the corresponding horizontal sliding groove, and the sliding block is penetrated by the corresponding thread segment of the double-end screw and is connected by screw thread.

[0008] Based on the further optimization of the above scheme, the inner cavity of the positioning box is fixedly provided with a spray pump, one side of the spray pump is communicated with the corresponding bellows through a communication pipe, and the inner cavity of the communication pipe and the bellows connection is provided with a filter screen for filtering solid particles to avoid clogging of the spray head.

[0009] Based on the further optimization of the above scheme, the spray head is rotatably connected with the bottom surface of the positioning box, and the spray head is communicated with the spray pump through a hose.

[0010] Based on the further optimization of the above scheme, the bottom end of the spray head is located below the bottom surface of the medicine storage box, and the bottom end of the landing gear is located below the bottom end of the spray head.

[0011] The following is the technical effect possessed by the utility model:

[0012] The utility model discloses a bearing cross bar, double -end screw rod and two groups of spray mechanism composition's spray medicine subassembly, cooperate the setting of storage medicine box and bellows, in the process of spraying, drive two groups of spray mechanism to the direction of moving close to each other or away from each other through the rotation of double -end screw rod, realize the adjustment of mutual distance between spray mechanism, and then adapt to the crop of different planting spacing, avoid the pesticide in the process of spraying to fall accurately in planting area, appear the problem such as the waste of medicine and the failure of timely prevention and cure pest. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic diagram of the utility model unmanned aerial vehicle pesticide spraying device.

[0014] Figure 2 It is the overall sectional view of the utility model unmanned aerial vehicle pesticide spraying device.

[0015] Figure 3 It is the internal structure schematic diagram of the utility model unmanned aerial vehicle pesticide spraying device's positioning box.

[0016] Among them, 10, unmanned aerial vehicle body;11, mechanical arm;12, rotor;13, mounting bracket;14, positioning bracket;15, landing gear;21, bearing cross bar;210, horizontal sliding slot;22, double -end screw;231, sliding block;232, connecting column;233, positioning box;2331, spray pump;2332, connecting piece;234, spray head;30, storage medicine box;31, bellows. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely 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, not all the embodiments.

[0018] Embodiment 1:

[0019] A kind of unmanned aerial vehicle pesticide spraying device for pest control, including unmanned aerial vehicle body 10, unmanned aerial vehicle body 10 four sides symmetry and fixedly set mechanical arm 11 (as shown in Figure 1 , mechanical arm 11 is respectively set in the four corners of unmanned aerial vehicle body 10), the end of mechanical arm 11 away from unmanned aerial vehicle body 10 is set rotor 12 (i.e. the unmanned aerial vehicle used in the application is four-axis unmanned aerial vehicle).

[0020] Unmanned aerial vehicle body 10 bottom surface is set spray medicine subassembly through multiple groups of mounting bracket 13 (the number of mounting bracket 13 is set according to actual situation, generally 2-5, such as Figure 2As shown, three mounting brackets 13 are arranged on the bottom surface of the unmanned aerial vehicle body 10 in the embodiment, the pesticide spraying assembly includes a bearing crossbar 21, a double-headed screw rod 22 and two groups of spraying mechanisms, the bearing crossbar 21 is clamped at the bottom of the mounting bracket 12 (for example, a clamping groove is formed on the bottom surface of the mounting bracket 13 corresponding to the bearing crossbar 21, which is used for clamping the bearing crossbar 21; at the same time, in order to avoid the left and right sliding of the bearing crossbar 21 after clamping, a limiting ring is arranged on the outer wall of the mounting bracket 13 on both sides of the bearing crossbar 21; or the clamping and positioning of the bearing crossbar 21 and the mounting bracket 13 can be realized through a positioning pin, and the specific form can be set according to the actual situation) and two horizontal sliding grooves 210 are symmetrically formed on the bottom of the bearing crossbar 210 (as shown in Figure 2 As shown, the double-headed screw rod 22 is rotationally arranged in the bearing crossbar 21 (as shown in Figure 2 As shown, the central axis of the double-headed screw rod 22 is parallel to the horizontal center line of the bearing crossbar 21, and the left and right ends of the double-headed screw rod 22 are rotationally connected with the side walls of the two horizontal sliding grooves 210 away from each other; the double-headed screw rod 22 can be rotated through a motor controller arranged on the top surface of the middle part of the bearing crossbar 21 or the middle part of the bottom surface of the unmanned aerial vehicle body 10, and the double-headed screw rod 22 is respectively provided with two thread sections with opposite rotation directions corresponding to the two horizontal sliding grooves 210, and two groups of spraying mechanisms are symmetrically arranged and are respectively slidingly clamped in the two horizontal sliding grooves 210, the two groups of spraying mechanisms are respectively penetrated and threadedly connected by the corresponding thread sections; specifically, the spraying mechanism includes a sliding block 231, a connecting column 232, a positioning box 233 and a spray head 234, the sliding block 231 is slidingly clamped in the corresponding horizontal sliding groove 210, and the sliding block 231 is penetrated and threadedly connected by the corresponding thread section of the double-headed screw rod 22; the connecting column 232 is fixedly arranged on the bottom surface of the sliding block 231, and the end of the connecting column 232 away from the sliding block 231 is fixedly connected with the positioning box 233; the spray head 234 is arranged on the bottom surface of the positioning box 233. A pesticide storage tank 30 is arranged on the lower middle part of the pesticide spraying assembly, and the pesticide storage tank 30 is connected with the bottom surface of the unmanned aerial vehicle body 14 through a positioning bracket 14 (as shown in Figure 1 and Figure 2 As shown, the positioning bracket 14 is located on the front and rear sides of the bearing crossbar 21 and does not interfere with the bearing crossbar 21), the two sides of the pesticide storage tank 30 are respectively communicated with the spraying mechanisms through folding bellows 31, that is, the side wall of the positioning box 233 close to the pesticide storage tank 30 is communicated with the corresponding bellows 31.

[0021] The inner cavity of the positioning box 233 is fixedly provided with a spraying pump 2331 (as shown in Figure 3As shown, the spray pump 2331 adopts a conventional model capable of meeting the size of the positioning box 233 in the art), one side of the spray pump 2331 is communicated with the corresponding bellows 31 through a communication pipe, and a filter screen is arranged in the inner cavity of the connection between the communication pipe and the bellows 31 (the filter screen can adopt an arc-shaped filter screen, and the convex part of the arc-shaped filter screen faces the bellows 31), which is used for filtering solid particles and avoiding clogging of the spray head. The spray head 234 is rotatably connected to the bottom surface of the positioning box 233, and the spray head 234 is communicated with the spray pump 2331 through a hose.

[0022] The landing gear 15 is arranged on the bottom surface of the unmanned aerial vehicle body 10 and located on both sides of the pesticide storage box 30, and the landing gear 15 is a "π" shaped structure, wherein the space is arranged corresponding to the pesticide spraying assembly (that is, the landing gear 15 does not interfere with the pesticide spraying assembly). The bottom end of the spray head 234 is located below the bottom surface of the pesticide storage box 30, and the bottom end of the landing gear 15 is located below the bottom end of the spray head 234 (so as to avoid the bottom of the spray head 234 contacting the ground when landing).

[0023] Working principle:

[0024] In use, first, the pesticide storage box 30 is filled with pesticide; then, the unmanned aerial vehicle pesticide spraying device is started, and is flown to above crops to be controlled, and the distance between the two spraying mechanisms is adjusted according to the distance between the crops (the distance between the crops can be identified through the camera arranged on the unmanned aerial vehicle body 10, and the spraying mechanism is adjusted in real time). The spraying mechanism adjustment process is as follows: the double-head screw rod 22 is started to rotate, the double-head screw rod 22 drives the sliding block 231 to slide in the respective horizontal sliding slot 210, so that the two sliding blocks 231 are first moved close to or away from each other, the sliding block 231 drives the positioning box 233 and the spray head 234 to move synchronously through the connecting column 232, at this time, the positioning box 233 drives the bellows 31 to contract or elongate, thereby achieving adjustment of the spraying mechanism; finally, the unmanned aerial vehicle body 10 is controlled to fly, and the spray head 234 is controlled to spray, thereby completing the pesticide spraying control work of the crops.

[0025] Embodiment 2:

[0026] As another preferred embodiment of the utility model, on the basis of the above-mentioned embodiment 1 scheme, a rotating groove is arranged in the middle of the bottom surface of the positioning box 233, a connecting piece 2332 is rotatably arranged in the rotating groove, that is, two shafts are symmetrically arranged on both sides of the connecting piece 2332, and the central axes of the two shafts are collinear (the angle of the spray head 234 is adjusted by controlling the rotation of the shaft, and the shaft can be rotated by the micro motor controller arranged in the positioning box 233), the two shafts are rotatably connected with the side walls of the rotating groove, the connecting piece 2332 penetrates the bottom surface of the positioning box 233, the upper end thereof is communicated with the spray pump 2331 through a hose, and the lower end thereof is threadedly connected with the spray head 234 (so as to realize the rotatable arrangement of the spray head 234 and facilitate the disassembly of the spray head 234).

[0027] Embodiment 3:

[0028] As another preferred embodiment of the utility model, on the basis of the above embodiment 1 scheme, the horizontal sliding groove 210 both sides wall respectively sets up the buffer rubber pad and the limit start stop switch, avoids the continued rotation after the sliding block sliding to the limit position.

Claims

1. A drone spraying device for pest control, characterized in that: The system includes a drone body with symmetrically mounted robotic arms on all four sides. A rotor is mounted on the end of each robotic arm furthest from the drone body. A spraying assembly is mounted on the bottom of the drone body via multiple mounting brackets. The spraying assembly includes a support crossbar, a double-ended lead screw, and two spraying mechanisms. The support crossbar is engaged with the bottom of the mounting brackets and has two symmetrical horizontal grooves at its bottom. The double-ended lead screw is rotatably mounted within the support crossbar and has two threaded sections with opposite directions corresponding to the two horizontal grooves. The two spraying mechanisms are symmetrically arranged and slidably engaged within the two horizontal grooves, with each mechanism threaded through and connected by its corresponding threaded section. A medicine storage tank is located in the lower center of the spraying assembly and is connected to the bottom of the drone body via a positioning bracket. Both sides of the tank are connected to the spraying mechanisms via folded corrugated pipes.

2. The pest control drone spraying device according to claim 1, characterized in that: The drone body is equipped with landing gear on the bottom surface and on both sides of the medicine storage tank. The landing gear has a "π" shaped structure, and the hollow position in it corresponds to the setting of the spraying component.

3. The pest control drone spraying device according to claim 2, characterized in that: The spraying mechanism includes a slider, a connecting column, a positioning box, and a nozzle. The slider is slidably engaged in a corresponding horizontal groove. The slider is threaded through and connected by the threaded section of a double-ended lead screw. A connecting column is fixedly installed on the bottom surface of the slider, and the end of the connecting column away from the slider is fixedly connected to the positioning box. A nozzle is installed on the bottom surface of the positioning box, and the side wall of the positioning box near the medicine storage tank is connected to the corresponding corrugated pipe.

4. The pest control drone spraying device according to claim 3, characterized in that: A spray pump is fixedly installed inside the positioning box. One side of the spray pump is connected to a corresponding corrugated pipe through a connecting pipe. A filter screen is installed inside the connection between the connecting pipe and the corrugated pipe.

5. The pest control drone spraying device according to claim 3, characterized in that: The nozzle is rotatably connected to the bottom of the positioning box and is connected to the spray pump via a hose.

6. The pest control drone spraying device according to claim 3, characterized in that: The bottom end of the nozzle is located below the bottom surface of the medicine storage tank, and the bottom end of the landing gear is located below the bottom end of the nozzle.

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