Airborne spraying device of plant protection unmanned aerial vehicle

Abstract

The utility model discloses an airborne spraying device of a plant protection unmanned aerial vehicle, belongs to the technical field of plant protection unmanned aerial vehicles, and aims to solve the problems that the spraying angle cannot be adjusted and a stable damping and buffering effect cannot be provided. The airborne spraying device comprises an unmanned aerial vehicle body, a mounting frame is fixedly connected to the bottom of the unmanned aerial vehicle body, and a spraying device is arranged in the mounting frame; spraying mechanisms are arranged on the front side and the rear side of the bottom of the unmanned aerial vehicle body and arranged on the two sides of the mounting frame, and a buffering mechanism is arranged at the bottom of the mounting frame and comprises a supporting assembly and a limiting assembly. According to the unmanned aerial vehicle, by arranging the spraying mechanism, the spraying angle can be conveniently adjusted in a reciprocating mode, so that spraying work is more uniform, spraying efficiency is improved, by arranging the buffering mechanism, the buffering and damping effects can be effectively provided for the unmanned aerial vehicle body in the landing process, and the stability of landing work is guaranteed; therefore, the unmanned aerial vehicle body is protected, and the operation stability of the unmanned aerial vehicle body is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plant protection unmanned plane, concretely relates to a plant protection unmanned plane airborne spraying device. BACKGROUND

[0002] Plant protection unmanned plane, also known as unmanned aerial vehicle, is used for the plant protection operation unmanned aircraft, the unmanned plane is composed of flight platform (fixed wing, helicopter, multicopter), navigation flight control, spraying mechanism, through ground remote control or navigation flight control, to realize spraying operation, can spray pesticide, seed, powder and the like.

[0003] The prior art patent announcement No. CN218892687U, a plant protection unmanned plane spraying mechanism, the above-mentioned patent includes unmanned plane main body, the unmanned plane main body lower end is connected with liquid medicine tank, and the liquid medicine tank bottom is equipped with water pump, the both sides of unmanned plane main body are connected with spraying rod, the spraying rod is hollow structure, the bottom end of spraying rod is equipped with spraying mechanism, the water pump enters the inside of spraying rod through hose chamber, the liquid medicine tank one end is connected with first motor, the inside of liquid medicine tank is equipped with stirring roller, and the stirring arm is connected with first motor, a plurality of evenly distributed stirring blades are arranged on the stirring roller. The plant protection unmanned plane spraying mechanism is stable in spraying position during spraying operation, and the spraying is uniform, so that the spraying efficiency is higher, and the spraying effect is better, but there are still the following deficiencies in actual use: starting from reality, the spraying mechanism position angle is always unchanged during spraying work in the patent, so that effective and uniform spraying cannot be guaranteed, and the unmanned plane lacks stable buffer mechanism, since the body weight is large after the liquid medicine tank is filled with medicine, if there is no effective shock absorption buffer during landing, the unmanned plane main body can be subjected to large load, so that damage is easily caused.

[0004] Therefore, a plant protection unmanned plane airborne spraying device is needed to solve the problems of unadjustable spraying angle and inability to provide stable shock absorption in the prior art. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a plant protection unmanned plane airborne spraying device to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a plant protection unmanned plane airborne spraying device, including unmanned plane body, the bottom of unmanned plane body is fixedly connected with mounting frame, the mounting frame is provided with spraying device, the bottom of unmanned plane body is provided with spraying mechanism on the two sides and is arranged on the two sides of mounting frame, and the bottom of mounting frame is provided with buffer mechanism.

[0007] The buffer mechanism comprises a supporting assembly and a limiting assembly, the supporting assembly is arranged at the bottom of the mounting frame, and the limiting assembly is arranged through the bottom of the mounting frame and connected with the liquid tank.

[0008] It is worth mentioning that the spraying device comprises a liquid tank, the liquid tank is fixedly installed in the mounting frame, the liquid tank is fixedly connected with connecting pipes on the front and rear sides and connected with the spraying mechanism, and the liquid tank is provided with a liquid inlet on the right side.

[0009] Further, the spraying mechanism comprises two connecting frames, the two connecting frames are fixedly connected to the front and rear sides of the bottom of the unmanned aerial vehicle body respectively, a spraying pipe is movably arranged in the connecting frame, a spraying head is fixedly connected to the bottom end of the spraying pipe, a fixing ring is fixedly connected to the outer side of the spraying pipe close to the spraying head, a rotating shaft is fixedly connected to the outer side surface of the fixing ring and rotatably connected in the connecting frame, a connecting seat is fixedly connected to the top end of the spraying pipe, a sliding rod is fixedly connected to the upper part of the connecting seat, a sliding sleeve is slidably arranged on the sliding rod, a rotating disc is limitingly and slidably connected to the upper part of the sliding sleeve, and a motor is fixedly connected to the top of the rotating disc.

[0010] Further, the sliding sleeve is arranged close to the outer periphery of the rotating disc, a fixing rod is fixedly connected to the upper part of the sliding sleeve and slidably connected to the rotating disc through the fixing rod, and two rotating shafts are arranged symmetrically on the fixing ring.

[0011] As a preferred embodiment, the supporting assembly comprises two supporting frames, the two supporting frames are symmetrically arranged at the bottom of the mounting frame, a supporting seat is slidably arranged at the bottom of the supporting frame, a limiting plate is fixedly connected to the top of the supporting seat and arranged in the supporting frame, three springs are fixedly installed on the top surface of the limiting plate between the supporting frames, and the three springs are arranged between the supporting frame and the limiting plate.

[0012] As a preferred embodiment, the limiting assembly comprises a supporting plate, the supporting plate is arranged at the bottom of the liquid tank and movably connected with the inner bottom of the mounting frame, a rotating seat is fixedly connected to the bottom of the supporting plate, a threaded rod is rotatably connected in the rotating seat and penetrates through the bottom of the mounting frame and is threadedly connected therewith.

[0013] Compared with the prior art, the airborne spraying device of the plant protection unmanned aerial vehicle provided by the utility model has at least the following beneficial effects:

[0014] (1) The spraying mechanism is arranged, which facilitates reciprocating adjustment of the spraying angle, so that the spraying work is more uniform and the spraying efficiency is improved.

[0015] (2) Through the buffer mechanism, the unmanned aerial vehicle body can be effectively buffered and buffered during landing, the stability of the landing work is guaranteed, the unmanned aerial vehicle body is protected, the stable support of the liquid tank is provided, and the stability of the unmanned aerial vehicle body is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the utility model from the bottom;

[0018] Figure 3 It is a structure schematic view of the spraying mechanism of the utility model;

[0019] Figure 4 It is a structure schematic view of the buffer mechanism of the utility model.

[0020] In the drawing: 1, unmanned aerial vehicle body; 2, mounting frame; 3, spraying device; 301, liquid tank; 302, liquid inlet; 303, connecting pipe; 4, spraying mechanism; 401, connecting frame; 402, spraying pipe; 403, spraying head; 404, fixed ring; 405, rotating shaft; 406, connecting seat; 407, sliding rod; 408, sliding sleeve; 409, rotating disc; 4110, top plate; 4111, motor; 5, buffer mechanism; 51, support assembly; 511, support frame; 512, support seat; 513, limiting plate; 514, spring; 52, limiting assembly; 521, support plate; 522, rotating seat; 523, threaded rod. DETAILED DESCRIPTION

[0021] The utility model is further described below in combination with examples.

[0022] Please refer to Figures 1-4 The utility model provides a kind of plant protection unmanned aerial vehicle airborne spraying device, including unmanned aerial vehicle body 1, unmanned aerial vehicle body 1 bottom is fixedly connected with mounting frame 2, spraying device 3 is provided in mounting frame 2, unmanned aerial vehicle body 1 bottom front and rear sides are provided with spraying mechanism 4 and are located in the both sides of mounting frame 2, and mounting frame 2 bottom is provided with buffer mechanism 5.

[0023] Buffer mechanism 5 includes support assembly 51 and limiting assembly 52, support assembly 51 is located at the bottom of mounting frame 2, limiting assembly 52 is connected with liquid tank 301 and is arranged at the bottom of mounting frame 2.

[0024] Further as Figure 1 、 Figure 2 And Figure 4As shown, it is worth noting that the spraying device 3 comprises a liquid tank 301 fixedly installed in the mounting frame 2, and the liquid tank 301 is fixedly connected with a connecting pipe 303 on the front and rear sides and connected with the spraying mechanism 4, and the liquid tank 301 is provided with a liquid inlet 302 on the right side;

[0025] Through the spraying mechanism 4, the reciprocating spraying work of the medicament in the liquid tank 301 can be realized, the uniformity of spraying is improved, and the buffer protection of the unmanned aerial vehicle body 1 is facilitated by cooperating with the buffer mechanism 5, and the use safety is ensured.

[0026] Further as shown in Figure 1 , Figure 2 and Figure 3 , it is worth noting that the spraying mechanism 4 comprises two connecting frames 401, and the two connecting frames 401 are respectively fixedly connected to the front and rear sides of the bottom of the unmanned aerial vehicle body 1, and the spraying pipe 402 is movably arranged in the connecting frame 401, and the spraying head 403 is fixedly connected to the bottom end of the spraying pipe 402, and the fixed ring 404 is fixedly connected to the outer side of the spraying pipe 402 close to the spraying head 403, and the rotating shaft 405 is fixedly connected to the outer side surface of the fixed ring 404 and rotatably connected in the connecting frame 401, and the connecting seat 406 is fixedly connected to the top end of the spraying pipe 402, and the sliding rod 407 is fixedly connected to the upper part of the connecting seat 406, and the sliding sleeve 408 is slidably arranged on the sliding rod 407, and the turntable 409 is limitingly and slidably connected to the upper part of the sliding sleeve 408, and the motor 4111 is fixedly connected to the top of the connecting frame 401, and the motor 4111 is fixedly installed on the top of the top plate 4110, and the sliding sleeve 408 is arranged close to the outer periphery of the turntable 409, and the fixed rod is fixedly connected to the upper part of the sliding sleeve 408 and slidably connected to the turntable 409, and the two rotating shafts 405 are symmetrically arranged on the fixed ring 404;

[0027] Through the work of the motor 4111, the turntable 409 rotates, and since the sliding sleeve 408 slides on the turntable 409 and slides with the sliding rod 407, the connecting seat 406 makes reciprocating swinging work in the connecting frame 401 through the sliding rod 407, and since the spraying pipe 402 rotates in the connecting frame 401 through the fixed ring 404 and the rotating shaft 405, the spraying head 403 performs reciprocating swinging, so as to perform reciprocating swinging spraying work on the medicament, and improve the uniformity of spraying.

[0028] According to the above working process, it is known that the spraying mechanism 4 is arranged to facilitate the reciprocating adjustment of the spraying angle, so that the spraying work is more uniform, and the spraying efficiency is improved.

[0029] Further as shown in Figure 1 , Figure 2 and Figure 4As shown, worth noting is that the support assembly 51 comprises two support frames 511 symmetrically arranged at the bottom of the mounting frame 2, a support seat 512 is slidingly arranged at the inner bottom of the support frame 511, the top of the support seat 512 is fixedly connected with a limiting plate 513 arranged in the support frame 511, three springs 514 are fixedly installed on the top surface of the limiting plate 513 between the support frames 511, the limiting assembly 52 comprises a support plate 521 arranged at the bottom of the liquid tank 301 and movably connected with the inner bottom of the mounting frame 2, a rotating seat 522 is fixedly connected with the bottom of the support plate 521, a threaded rod 523 is rotatably connected in the rotating seat 522 and penetrates through the bottom of the mounting frame 2 and is threadedly connected therewith;

[0030] The elastic effect of the spring 514 on the limiting plate 513 enables the support seat 512 to have a buffering effect, thereby ensuring the stable landing of the unmanned aerial vehicle body 1 and improving the use safety.

[0031] The present scheme has the following working process: when the device is used, the threaded rod 523 pushes the support plate 521 to reinforce the liquid tank 301 by rotating the threaded rod 523, at the same time, the liquid inlet 302 is opened to inject the medicament into the liquid tank 301, after completion, the unmanned aerial vehicle body 1 is started to perform the spraying work, at this time, the spraying pipe 402 cooperates with the spraying head 403 and the connecting pipe 303 sprays the medicament, at the same time, the motor 4111 works to make the rotating disc 409 rotate, since the sliding sleeve 408 slides on the rotating disc 409 and slides with the sliding rod 407, the connecting seat 406 makes reciprocating swing work in the connecting frame 401 through the sliding rod 407, and since the spraying pipe 402 rotates in the connecting frame 401 through the fixing ring 404 and the rotating shaft 405, the spraying head 403 performs reciprocating swing to reciprocatingly spray the medicament, thereby improving the spraying uniformity, when the unmanned aerial vehicle body 1 lands, the support seat 512 has a buffering effect through the elastic effect of the spring 514 on the limiting plate 513, thereby ensuring the stable landing of the unmanned aerial vehicle body 1 and improving the use safety.

[0032] In summary: the spraying mechanism 4 is arranged to facilitate the reciprocating adjustment of the spraying angle, thereby making the spraying work more uniform and improving the spraying efficiency, the buffering mechanism 5 is arranged to effectively provide buffering and damping effect for the unmanned aerial vehicle body 1 during landing, thereby ensuring the stability of the landing work and providing protection for the unmanned aerial vehicle body 1, at the same time, the liquid tank 301 is stably supported to ensure the stability of the unmanned aerial vehicle body 1.

Claims

1. An aerial spraying device for an agricultural unmanned aerial vehicle, comprising an unmanned aerial vehicle body (1), characterized in that: The unmanned aerial vehicle body (1) bottom fixedly connected with the installation frame (2), the installation frame (2) is provided with the spraying device (3), the unmanned aerial vehicle body (1) bottom front and rear sides are provided with the spraying mechanism (4) and are located in the installation frame (2) both sides, the installation frame (2) bottom is provided with the buffer mechanism (5); The spraying device (3) includes a liquid tank (301), the liquid tank (301) is fixedly installed in the installation frame (2), the liquid tank (301) front and rear sides are fixedly connected with the connecting pipe (303) and are connected with the spraying mechanism (4), the liquid tank (301) right side is provided with the liquid inlet (302); The buffer mechanism (5) includes a support assembly (51) and a limiting assembly (52), the support assembly (51) is arranged on the bottom of the installation frame (2), and the limiting assembly (52) is arranged on the bottom of the installation frame (2) and connected with the liquid tank (301); The spraying mechanism (4) includes two connecting frames (401), two connecting frames (401) are fixedly connected to the front and rear sides of the bottom of the unmanned aerial vehicle body (1), the spraying pipe (402) is movably arranged in the connecting frame (401), the spraying head (403) is fixedly connected to the bottom end of the spraying pipe (402), the fixed ring (404) is fixedly connected to the outer side of the spraying pipe (402) close to the spraying head (403), the rotating shaft (405) is fixedly connected to the outer side surface of the fixed ring (404) and rotatably connected to the connecting frame (401), the connecting seat (406) is fixedly connected to the top end of the spraying pipe (402), the sliding rod (407) is fixedly connected to the upper part of the connecting seat (406), the sliding sleeve (408) is slidably arranged on the sliding rod (407), the rotating disc (409) is limitingly and slidably connected to the upper part of the sliding sleeve (408), the motor (4111) is fixedly connected to the top of the rotating disc (409), and the top plate (4110) is fixedly connected to the top of the connecting frame (401). 2.The plant protection unmanned aerial vehicle airborne spraying device according to claim 1, characterized in that: The sliding sleeve (408) is arranged close to the outer periphery of the rotating disc (409), the fixed rod is fixedly connected to the upper part of the sliding sleeve (408) and slidably connected to the rotating disc (409), and the rotating shaft (405) is provided with two rotating shafts (405) which are symmetrically arranged on the fixed ring (404).

3. The unmanned aerial vehicle on-board spraying device for plant protection according to claim 1, characterized in that: The support assembly (51) includes two support frames (511), two support frames (511) are symmetrically arranged on the bottom of the installation frame (2), the support seat (512) is slidably arranged in the bottom of the support frame (511), the limiting plate (513) is fixedly connected to the top of the support seat (512) and arranged in the support frame (511), and the three springs (514) are fixedly installed on the top surface of the limiting plate (513) between the support frames (511).

4. The unmanned aerial vehicle on-board spraying device for plant protection according to claim 1, characterized in that: The limiting assembly (52) comprises a supporting plate (521) which is arranged at the bottom of the liquid medicine tank (301) and movably connected with the inner bottom of the mounting frame (2), the bottom of the supporting plate (521) is fixedly connected with a rotating seat (522), the rotating seat (522) is rotatably connected with a threaded rod (523) and penetrates through the bottom of the mounting frame (2) and is threadedly connected with the mounting frame (2).

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