Low-wind-resistance unmanned aerial vehicle pesticide spraying device

Abstract

The utility model provides an unmanned aerial vehicle pesticide spraying device with low wind resistance. Belongs to the field of agricultural machinery. According to the technical key points, the unmanned aerial vehicle comprises a spraying mechanism, the spraying mechanism comprises an unmanned aerial vehicle body, a penetrating opening is formed in the unmanned aerial vehicle body, a plurality of supporting rods penetrate through the interior of the penetrating opening in an annular array mode, one ends of the supporting rods are fixed to one another, and the other ends of the supporting rods are fixedly connected with the unmanned aerial vehicle body; bottom plates fixedly connected with the unmanned aerial vehicle main bodies are arranged below the unmanned aerial vehicle main bodies, rubber corrugated pipes are fixedly connected to the tops of the bottom plates, pumps are fixedly connected to the two sides of the unmanned aerial vehicle main bodies, and extraction pipes are fixedly connected between the input ends of the pumps and the bottom plates; the utility model aims to provide a low-wind-resistance pesticide spraying device for an unmanned aerial vehicle. The flight endurance of the unmanned aerial vehicle body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of agricultural machinery, concretely is a low wind resistance unmanned plane pesticide spraying device. BACKGROUND

[0002] Plant protection unmanned plane is an unmanned plane used for plant protection operation. It is usually equipped with a spraying device, can load pesticide or other plant protection agent, and carries out spraying operation in farmland, orchard and other areas accurately through flight control technology. Plant protection unmanned plane has the advantages of high efficiency, precision, saving pesticide and manpower. It can quickly cover large area of farmland, avoid the phenomenon of missed spraying or over-spraying when manual spraying, improve the utilization rate of pesticide, and reduce the pollution to the environment. At the same time, the flight height and speed of unmanned plane can be adjusted according to the need, to adapt to different crops and operation environment.

[0003] The current unmanned plane pesticide spraying device, such as the patent with announcement number CN220181106U, comprises an unmanned plane main body, a medicine box and two medicine collecting boxes, the medicine box is fixedly installed at the bottom end of the unmanned plane main body, the top end of one side of the medicine box is communicated with a medicine injection pipe, the two medicine collecting boxes are located at the bottom of the medicine box, the inside of the medicine box is provided with a medicine conveying assembly for conveying pesticide in the medicine box to the two medicine collecting boxes, the bottom end of the two medicine collecting boxes is communicated with a plurality of atomizing nozzles, and one end of the top of the two medicine collecting boxes is welded with a rotating shaft.

[0004] For the above-mentioned related technology, the inventor believes that because the size of the medicine box is fixed, in order to improve the loading capacity and reduce the frequency of returning, the medicine box is generally designed to be larger, which leads to larger wind resistance in the process of flight, thereby increasing the power consumption of the unmanned plane, and further reducing the endurance of the unmanned plane. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a low wind resistance unmanned plane pesticide spraying device to solve the problems in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A low wind resistance unmanned plane pesticide spraying device, comprising

[0008] The utility model provides a spraying mechanism, the inside of unmanned aerial vehicle main part is opened with the through -going hole, the inside presents ring array and is penetrated with a plurality of support bars, and the one end of each group support bar is fixed with each other, and the other end of each group support bar is fixedly connected with unmanned aerial vehicle main part, the bottom of unmanned aerial vehicle main part is equipped with with bottom plate of each group unmanned aerial vehicle main part fixed connection, the top of bottom plate is fixedly connected with rubber bellows, both sides of unmanned aerial vehicle main part are fixedly connected with pump, and the input of pump is fixedly connected with suction pipe between bottom plate, and suction pipe is linked with rubber bellows, and the output of pump is fixedly connected with flow guide pipe, and the end of flow guide pipe away from pump is fixedly connected with the nozzle of intercommunication, and the nozzle is fixedly connected with unmanned aerial vehicle main part,

[0009] Adjusting mechanism, the top cover is fixedly connected on the top of unmanned aerial vehicle main part, the bottom of top cover is fixedly connected with the float in the middle position, and the top of top cover is fixedly connected with the liquid injection pipe in the inside of rubber bellows.

[0010] As a further scheme of the utility model: the bottom of unmanned aerial vehicle main part is fixedly connected with a plurality of flow guide pipes in ring array, and the end of each group flow guide pipe away from unmanned aerial vehicle main part is fixedly connected with each group support rod respectively.

[0011] As a further scheme of the utility model: both sides of unmanned aerial vehicle main part are fixedly connected with U-shaped rods, and the bottom height of U-shaped rod is lower than the bottom height of support rod.

[0012] As a further scheme of the utility model: the top of liquid injection pipe is threadedly connected with the screw cap of adaptation, and the top of top cover is provided with the air hole of intercommunication with the inside of rubber bellows on one side.

[0013] As a further scheme of the utility model: the air hole is equipped with the blocking cover above, and a plurality of connecting rods are fixedly connected between the blocking cover and the top cover in ring array.

[0014] As a further scheme of the utility model: the outside of each group liquid injection pipe is slidably connected with sliding block, and the bolt is threadedly connected between each group sliding block and the top cover.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The utility model discloses adopt above -mentioned structure after, through the mutual cooperation of rubber bellows, float and top cap, make the pesticide spraying cause the pesticide liquid level inside rubber bellows gradually decline, and the float is under the action of gravity height declines along with it, and drives top cap along with downward movement, and top cap can compress rubber bellows when moving downward, make rubber bellows's height decline along with it, thereby effectively reduce the occupation space of rubber bellows, and further reduce the wind resistance that unmanned aerial vehicle main body flies to receive, to reduce the flight power consumption of unmanned aerial vehicle main body, improved the flight endurance of unmanned aerial vehicle main body. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in detail in connection with the embodiment in the drawings, but does not constitute any limit to the utility model.

[0018] Figure 1 It is a partial structure sectional view of low wind resistance unmanned aerial vehicle pesticide spraying device.

[0019] Figure 2 It is A department structure schematic view of low wind resistance unmanned aerial vehicle pesticide spraying device. Figure 1

[0020] Figure 3 It is B department structure schematic view of low wind resistance unmanned aerial vehicle pesticide spraying device. Figure 1

[0021] Figure 4 It is C department structure schematic view of low wind resistance unmanned aerial vehicle pesticide spraying device. Figure 1

[0022] In the drawing: 1, spraying mechanism;101, unmanned aerial vehicle main body;102, through -going opening;103, support rod;104, bottom plate;105, rubber bellows;106, flow guide pipe;107, U -shaped rod;108, pump;109, extraction pipe;110, nozzle;2, adjusting mechanism;201, top cap;202, float;203, liquid injection pipe;204, screw cap;205, cover;206, connecting rod;207, air hole;208, sliding block;209, bolt. DETAILED DESCRIPTION

[0023] The technical scheme of the patent will be further explained in detail in connection with the specific implementation.

[0024] Please refer to Figures 1-4 ​​​The utility model provides a low wind resistance unmanned plane pesticide spraying device, including spraying mechanism 1, spraying mechanism 1 includes unmanned plane body 101, the setting of unmanned plane body 101 is used to fly to the top of the crop to be sprayed when starting work to facilitate the spraying of pesticide.

[0025] The two sides of the unmanned plane body 101 are fixedly connected with U-shaped rods 107, the bottom height of the U-shaped rods 107 is lower than the bottom height of the support rods 103, and the U-shaped rods 107 are arranged to assist the support of the unmanned plane body 101. One end of each group of support rods 103 is fixed to each other, and the other end of each group of support rods 103 is fixedly connected with the unmanned plane body 101, so that each group of support rods 103 can form a bracket.

[0026] The bottom of the unmanned plane body 101 is fixedly connected with a plurality of guide tubes 106 in a ring array, one end of each group of guide tubes 106 away from the unmanned plane body 101 is fixedly connected with each group of support rods 103, and the guide tubes 106 are arranged to further connect and fix the support rods 103 and the unmanned plane body 101, thereby improving the connection stability of the support rods 103 and the unmanned plane body 101. The bottom plate 104 is fixedly connected with the rubber bellows 105 on the top of the bottom plate 104, and the bottom plate 104 is arranged to block the bottom of the rubber bellows 105, so that the bottom plate 104 and the rubber bellows 105 can form a container for containing pesticide.

[0027] The adjusting mechanism 2 includes a top cover 201 fixedly connected to the top of the unmanned plane body 101, and the top cover 201 is arranged to cover the top of the rubber bellows 105. The float 202 is fixedly connected to the middle position of the bottom of the top cover 201, and the float 202 is arranged to float on the pesticide liquid surface in the rubber bellows 105 by using its own buoyancy, so that the float 202 and the top cover 201 can rise and fall with the rise and fall of the pesticide position in the rubber bellows 105.

[0028] The outer side of each group of liquid injection pipe 203 is slidably connected with a sliding block 208, and the sliding block 208 is threadedly connected with the top cover 201 and the bolt 209. The sliding block 208 is arranged to slide along the outer side of the support rod 103 when the top cover 201 moves up and down, thereby guiding the up and down movement of the top cover 201. The top cover 201 is fixedly connected with the liquid injection pipe 203 which is in communication with the interior of the rubber bellows 105. The liquid injection pipe 203 is arranged to facilitate the injection of pesticides into the interior of the rubber bellows 105. The top of the liquid injection pipe 203 is threadedly connected with a matching threaded cap 204. The threaded cap 204 is arranged to cover the liquid injection pipe 203 to reduce the entry of dust and debris into the interior of the rubber bellows 105 through the liquid injection pipe 203.

[0029] The top cover 201 is provided with an air hole 207 which is in communication with the interior of the rubber bellows 105. The air hole 207 is arranged to facilitate the entry and exit of external air into the interior of the rubber bellows 105, so that the internal pressure of the rubber bellows 105 can be kept consistent. The air hole 207 is provided with a cover 205 which is fixedly connected with a plurality of connecting rods 206 arranged in an annular array between the cover 205 and the top cover 201. The cover 205 is arranged to cover the top of the air hole 207 to prevent dust and debris from entering the interior of the rubber bellows 105 through the air hole 207.

[0030] The pump 108 is fixedly connected with the bottom plate 104, and the input end of the pump 108 is fixedly connected with a suction pipe 109 which is in communication with the rubber bellows 105. The pump 108 is arranged to extract the pesticides in the interior of the rubber bellows 105 through the suction pipe 109 when it is started. The output end of the pump 108 is fixedly connected with a flow guide pipe 106, and the end of the flow guide pipe 106 away from the pump 108 is fixedly connected with a nozzle 110 which is in communication with the flow guide pipe 106. The nozzle 110 is fixedly connected with the unmanned aerial vehicle body 101, and the flow guide pipe 106 is arranged to guide the pesticides extracted by the suction pipe 109 into the interior of the nozzle 110, and finally sprayed out through the nozzle 110.

[0031] In this embodiment, the unmanned aerial vehicle body 101 is a prior art which will not be described in detail.

[0032] In use, the threaded cap 204 is unscrewed, the inside of the rubber bellows 105 is filled with the pesticide to be sprayed through the filling pipe 203, the threaded cap 204 is screwed again to cover the filling pipe 203, then the unmanned aerial vehicle body 101 is controlled to take off, when the unmanned aerial vehicle body 101 flies to the position where the pesticide is to be sprayed, the two groups of pumps 108 are started, the pumps 108 draw the pesticide in the rubber bellows 105 to the flow guide pipe 106 through the suction pipe 109, then the pesticide is sprayed out through the nozzle 110, so that the pesticide spraying on crops is realized, as the pesticide in the pumps 108 is continuously drawn, the liquid level of the pesticide in the rubber bellows 105 is gradually lowered, the height of the float 202 under the action of gravity is lowered, the top cover 201 is driven to move downward, the rubber bellows 105 is compressed when the top cover 201 moves downward, the height of the rubber bellows 105 is lowered, so that the occupied space of the rubber bellows 105 is effectively reduced, the wind resistance of the unmanned aerial vehicle body 101 in flight is reduced, the flight power consumption of the unmanned aerial vehicle body 101 is reduced, and the flight endurance of the unmanned aerial vehicle body 101 is improved.

[0033] The above-mentioned embodiments are preferred embodiments of the present application, which are only used to facilitate the description of the present application and do not limit the present application in any form. Any person with ordinary knowledge in the art can make equivalent embodiments by making partial changes or modifications within the scope of the technical features of the present application without departing from the technical features of the present application, and the equivalent embodiments still belong to the scope of the technical features of the present application.

Claims

1. A low wind resistance unmanned aerial vehicle pesticide spraying device, characterized in that, Comprising The spraying mechanism (1) includes a UAV body (101), the inside of the UAV body (101) is provided with a through hole (102), the inside of the through hole (102) is provided with a plurality of support rods (103) in a ring array, one end of each group of support rods (103) is fixed to each other, the other end of each group of support rods (103) is fixedly connected with the UAV body (101), the bottom of the UAV body (101) is provided with a bottom plate (104) fixedly connected with each group of UAV body (101), the top of the bottom plate (104) is fixedly connected with a rubber bellows (105), both sides of the UAV body (101) are fixedly connected with a pump (108), the input end of the pump (108) and the bottom plate (104) are fixedly connected with a suction pipe (109), the suction pipe (109) is communicated with the rubber bellows (105), the output end of the pump (108) is fixedly connected with a flow guide pipe (106), the end of the flow guide pipe (106) away from the pump (108) is fixedly connected with a nozzle (110) in communication, the nozzle (110) is fixedly connected with the UAV body (101); The adjusting mechanism (2) includes a top cover (201) fixedly connected to the top of the UAV body (101), the bottom of the top cover (201) is fixedly connected with a float (202), one side of the top of the top cover (201) is fixedly connected with a liquid injection pipe (203) communicated with the inside of the rubber bellows (105).

2. The low wind resistance unmanned pesticide spraying device according to claim 1, characterized in that, The bottom of the UAV body (101) is fixedly connected with a plurality of flow guide pipes (106) in a ring array, the end of each group of flow guide pipes (106) away from the UAV body (101) is fixedly connected with each group of support rods (103) respectively.

3. The low wind resistance unmanned pesticide spraying device according to claim 1, characterized in that, Both sides of the UAV body (101) are fixedly connected with a U-shaped rod (107), the bottom of the U-shaped rod (107) is lower than the bottom of the support rod (103).

4. The low-drag unmanned aerial vehicle pesticide spraying device according to claim 1, characterized in that, The top of the liquid injection pipe (203) is threadedly connected with a matching threaded cover (204), one side of the top of the top cover (201) is provided with an air hole (207) communicated with the inside of the rubber bellows (105).

5. The low-drag unmanned aerial vehicle pesticide spraying device according to claim 4, characterized in that, The air hole (207) is provided with a shielding cover (205), a plurality of connecting rods (206) are fixedly connected between the shielding cover (205) and the top cover (201) in a ring array.

6. The low-drag unmanned aerial vehicle pesticide spraying device according to claim 1, wherein, Each group of liquid injection pipes (203) is slidably connected with a sliding block (208), a bolt (209) is threadedly connected between each group of sliding blocks (208) and the top cover (201).

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