Plant protection unmanned aerial vehicle landing protection device

Abstract

The utility model discloses a plant protection unmanned aerial vehicle landing protection device which comprises a fixing frame, an air damping shock absorber is fixedly installed at the lower end of the fixing frame, a buffer rod is fixedly installed at the lower end of the air damping shock absorber, and a buffer roller is fixedly installed at the lower end of the buffer rod. According to the plant protection unmanned aerial vehicle landing protection device, when the supporting inclined rods of the plant protection unmanned aerial vehicle landing protection device are disassembled and assembled through the fixing frame, the number of disassembling and assembling bolts is reduced, the disassembling and assembling process is more convenient and saves more labor, the buffering and damping effects are achieved through the air damping shock absorbers and the buffering rods, and the safety of the plant protection unmanned aerial vehicle landing protection device is improved. The impact force of the plant protection unmanned aerial vehicle during landing is greatly reduced, the safety and stability of the plant protection unmanned aerial vehicle during landing are improved, the forward and backward impact force of the unmanned aerial vehicle is reduced through the buffering rollers, the buffering effect is achieved, an automatic slow braking structure is arranged, and the plant protection unmanned aerial vehicle is prevented from being damaged due to sudden stop and falling.

Description

TECHNICAL FIELD

[0001] The utility model relates to plant protection unmanned plane structure technical field, especially in kind of plant protection unmanned plane landing protection device. BACKGROUND

[0002] Plant protection unmanned plane, also called agricultural unmanned plane, is a kind of unmanned plane specially used for forestry plant protection operation, and it plays more and more important role in agricultural production with the advantages of high efficiency, safety and environmental protection, and becomes an important force to promote the process of agricultural modernization.

[0003] Plant protection unmanned plane landing protection device is a kind of safety protection equipment specially used for plant protection unmanned plane landing, which mainly includes body, wing, fixed plate, buoyancy ball, support inclined rod, shock absorber, ground grabbing block, buffer groove and buffer block and other parts; the support inclined rod of the existing plant protection unmanned plane is usually composed of connecting seat, inclined rod main body and adjusting sleeve, and there are several problems in the use of the support inclined rod of the plant protection unmanned plane, one is that too many bolts are used for disassembly and assembly, which is not convenient and labor-saving; two is that other shock absorbers and buffers need to be matched, otherwise the support inclined rod is easy to break due to impact force; three is that the plant protection unmanned plane cannot slide forward and backward and slow down, and the ground grabbing block is easy to make the plant protection unmanned plane stop suddenly and fall down, causing damage. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of plant protection unmanned plane landing protection device, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of plant protection unmanned plane landing protection device, including fixed frame, the lower end of the fixed frame is fixedly installed with air damping shock absorber, the lower end of the air damping shock absorber is fixedly installed with buffer rod, and the lower end of the buffer rod is fixedly installed with buffer roller.

[0007] Preferably, the fixed frame includes a No. 1 screw rod, an L-shaped bolt, a movable sleeve and a No. 2 screw rod.

[0008] Preferably, the No. 1 screw rod is provided in two, the L-shaped bolt is provided in four, the L-shaped bolt is sleeved on both ends of the No. 1 screw rod, the movable sleeve is sleeved in the annular groove on the outer side of the No. 1 screw rod, and the No. 2 screw rod is arranged in the through hole at the lower end of the movable sleeve.

[0009] Preferably, the buffer rod includes a hollow tube sleeve, a sliding rod, a sponge strip and a support rod.

[0010] Preferably, the hollow sleeve is fixedly installed at the lower end of the air damping shock absorber, the sliding rod is arranged inside the hollow sleeve at the lower end, and the sponge strip is arranged inside the hollow sleeve.

[0011] Preferably, the buffer roller comprises a limiting frame, a roller frame, a rubber roller, a short screw rod, a movable stake, a rubber clamp, a bent sliding plate, a movable sliding sleeve and an electric motor.

[0012] Preferably, the limiting frame is fixedly installed at the lower end of the supporting rod, the roller frame is fixedly installed at the lower surface of the limiting frame, the rubber roller is arranged inside the roller frame, the short screw rod is arranged in the threaded through hole of the lower surface of the limiting frame, the movable stake is arranged in the groove hole at the lower end of the short screw rod, the rubber clamp is fixedly installed at the lower surface of the movable stake, the bent sliding plate is arranged in the rectangular through hole of the limiting frame, the movable sliding sleeve is sleeved outside the short rod inside the limiting frame, the electric motor is fixedly installed inside the movable sliding sleeve, the outer side of the rubber roller is attached to the inner side of the rubber clamp, the lower end of the bent sliding plate is fixedly connected with the movable stake, the upper end of the bent sliding plate is fixedly connected with the electric motor, and the lower end of the rotating shaft of the electric motor is fixedly connected with the upper end of the short screw rod.

[0013] The fixing frame reduces the number of bolts for dismounting the supporting inclined rod of the plant protection unmanned aerial vehicle landing protection device, and the dismounting process is more convenient and labor-saving.

[0014] The air damping shock absorber and the buffer rod play a buffering and damping role, greatly reduce the impact force when the plant protection unmanned aerial vehicle lands, and improve the safety and stability when the plant protection unmanned aerial vehicle lands.

[0015] The buffer roller reduces the forward and backward impact force of the unmanned aerial vehicle, plays a buffering role, has an automatic slow brake structure, and avoids damage caused by sudden stop and falling of the plant protection unmanned aerial vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the plant protection unmanned aerial vehicle landing protection device.

[0017] Figure 2 It is a fixing frame structure exploded view of the plant protection unmanned aerial vehicle landing protection device.

[0018] Figure 3 It is a buffer rod structure exploded view of the plant protection unmanned aerial vehicle landing protection device.

[0019] Figure 4 It is a buffer roller structure exploded view of the plant protection unmanned aerial vehicle landing protection device.

[0020] In the diagram: 1. Fixed frame; 101. No. 1 screw; 102. L-shaped pin; 103. Movable sleeve; 104. No. 2 screw; 2. Air damping shock absorber; 3. Buffer rod; 301. Hollow tube sleeve; 302. Slide rod; 303. Sponge strip; 304. Support rod; 4. Buffer roller; 401. Limiting frame; 402. Roller frame; 403. Rubber roller; 404. Short screw; 405. Movable post; 406. Rubber clamp; 407. Bending slide plate; 408. Movable slide sleeve; 409. Electric motor. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] like Figures 1-4 As shown, a plant protection drone landing protection device includes a fixed frame 1. An air damping shock absorber 2 is fixedly installed at the lower end of the fixed frame 1. A buffer rod 3 is fixedly installed at the lower end of the air damping shock absorber 2. A buffer roller 4 is fixedly installed at the lower end of the buffer rod 3. The fixed frame 1 reduces the number of bolts required for disassembly and assembly of the support diagonal rod of the plant protection drone landing protection device, making the disassembly and assembly process more convenient and labor-saving. The air damping shock absorber 2 and the buffer rod 3 play a role in buffering and shock absorption, greatly reducing the impact force when the plant protection drone lands, and improving the safety and stability of the plant protection drone when landing. The buffer roller 4 reduces the forward and backward impact force of the drone, plays a buffering role, and has an automatic slow braking structure to prevent the plant protection drone from sudden stopping and falling over and being damaged.

[0023] In this embodiment, the fixing frame 1 includes a first screw 101, an L-shaped pin 102, a movable sleeve 103, and a second screw 104.

[0024] In this embodiment, there are two No. 1 screws 101 and four L-shaped pins 102. The L-shaped pins 102 are sleeved on both ends of the No. 1 screws 101. The movable sleeve 103 is sleeved in the annular groove on the outside of the No. 1 screws 101. The No. 2 screw 104 is located in the through hole at the lower end of the movable sleeve 103. When installing the support diagonal rod, unscrew the nut on the No. 1 screw 101, remove one L-shaped pin 102 from the No. 1 screw 101, insert the front end of the L-shaped pin 102 into the mounting hole of the agricultural drone, then put on and tighten the nut on the No. 1 screw 101, and then tighten the nut on the No. 2 screw 104 inside the movable sleeve 103 to completely install the support diagonal rod onto the agricultural drone. The fixing frame 1 reduces the number of bolts required for disassembly and assembly of the support diagonal rod of the agricultural drone landing protection device, making the disassembly and assembly process more convenient and labor-saving.

[0025] In this embodiment, the buffer rod 3 includes a hollow sleeve 301, a sliding rod 302, a sponge strip 303, and a support rod 304.

[0026] In this embodiment, the hollow sleeve 301 is fixedly installed at the lower end of the air damping shock absorber 2, the sliding rod 302 is arranged inside the hollow sleeve 301 at the lower end, the sponge strip 303 is arranged inside the hollow sleeve 301, and the support rod 304 is fixedly installed at the lower end of the sliding rod 302. When the plant protection unmanned aerial vehicle lands on the ground, the air damping shock absorber 2 plays a role in shock absorption, the sliding rod 302 is inserted into the inside of the hollow sleeve 301, the air in the hollow sleeve 301 is discharged through the through hole outside the hollow sleeve 301, the sponge strip 303 is compressed, and the air damping shock absorber 2 and the buffer rod 3 play a role in buffering and shock absorption, greatly reducing the impact force when the plant protection unmanned aerial vehicle lands, and improving the safety and stability when the plant protection unmanned aerial vehicle lands.

[0027] In this embodiment, the buffer roller 4 includes a limiting frame 401, a roller frame 402, a rubber roller 403, a short screw rod 404, a movable pile 405, a rubber clamp head 406, a bent sliding plate 407, a movable sliding sleeve 408, and an electric motor 409.

[0028] In this embodiment, the limiting frame 401 is fixedly installed at the lower end of the support rod 304, the roller frame 402 is fixedly installed at the lower surface of the limiting frame 401, the rubber roller 403 is arranged inside the roller frame 402, the short screw rod 404 is arranged in the threaded through hole of the lower surface of the limiting frame 401, the movable pile 405 is arranged in the groove hole at the lower end of the short screw rod 404, the rubber clamp head 406 is fixedly installed at the lower surface of the movable pile 405, the bent sliding plate 407 is arranged in the rectangular through hole of the limiting frame 401, the movable sliding sleeve 408 is sleeved outside the short rod inside the limiting frame 401, the electric motor 409 is fixedly installed inside the movable sliding sleeve 408, the inner side of the rubber clamp head 406 is attached to the outer side of the rubber roller 403, the lower end of the bent sliding plate 407 is fixedly connected with the movable pile 405, the upper end of the bent sliding plate 407 is fixedly connected with the electric motor 409, and the lower end of the rotating shaft of the electric motor 409 is fixedly connected with the upper end of the short screw rod 404. When the plant protection unmanned aerial vehicle lands, moves forward, and moves backward, the rubber roller 403 in the roller frame 402 slides on the ground, when braking, the electric motor 409 in the movable sliding sleeve 408 drives the short screw rod 404 to rotate, the movable pile 405 and the bent sliding plate 407 are pressed downward, the rubber clamp head 406 is pressed toward the surface of the rubber roller 403, the friction force is increased, the rolling speed of the rubber roller 403 is slowed down, and the plant protection unmanned aerial vehicle stops until the buffer roller 4 reduces the impact force of the unmanned aerial vehicle moving forward and backward, plays a buffering role, has a structure of automatic slow braking, and avoids damage caused by the plant protection unmanned aerial vehicle stopping suddenly and falling down.

[0029] The protection scope of the utility model is not limited to the above embodiments and transformations. The routine modification and replacement of the skilled in the art based on the content of the embodiments all belong to the protection scope of the utility model.

Claims

1. A landing protection device for agricultural drones, characterized in that: Including the fixed frame (1), the lower end of the fixed frame (1) is fixedly installed with air damping shock absorber (2), the lower end of the air damping shock absorber (2) is fixedly installed with buffer rod (3), the lower end of the buffer rod (3) is fixedly installed with buffer roller (4).

2. The unmanned aerial vehicle landing protection device for plant protection according to claim 1, characterized in that: The fixed frame (1) includes a No. 1 screw rod (101), an L-shaped bolt (102), a movable sleeve (103) and a No. 2 screw rod (104).

3. The unmanned aerial vehicle landing protection device for plant protection according to claim 2, characterized in that: The No. 1 screw rod (101) is provided in two, the L-shaped bolt (102) is provided in four, the L-shaped bolt (102) is sleeved on both ends of the No. 1 screw rod (101), the movable sleeve (103) is sleeved in the annular groove on the outside of the No. 1 screw rod (101), and the No. 2 screw rod (104) is arranged in the through hole at the lower end of the movable sleeve (103).

4. The plant protection unmanned aerial vehicle landing protection device according to claim 3, characterized in that: The buffer rod (3) includes a hollow tube sleeve (301), a sliding rod (302), a sponge strip (303) and a support rod (304).

5. The plant protection unmanned aerial vehicle landing protection device according to claim 4, characterized in that: The hollow tube sleeve (301) is fixedly installed at the lower end of the air damping shock absorber (2), the sliding rod (302) is arranged inside the hollow tube sleeve (301) at the lower end, the sponge strip (303) is arranged inside the hollow tube sleeve (301), and the support rod (304) is fixedly installed at the lower end of the sliding rod (302).

6. The plant protection unmanned aerial vehicle landing protection device according to claim 5, characterized in that: The buffer roller (4) includes a limiting frame (401), a roller frame (402), a rubber roller (403), a short screw rod (404), a movable stake (405), a rubber clamp head (406), a bent sliding plate (407), a movable sliding sleeve (408) and an electric motor (409).

7. The unmanned aerial vehicle landing protection device for plant protection according to claim 6, characterized in that: The limiting frame (401) is fixedly installed at the lower end of the support rod (304), the roller frame (402) is fixedly installed on the lower surface of the limiting frame (401), the rubber roller (403) is arranged inside the roller frame (402), the short screw rod (404) is arranged in the threaded through hole on the lower surface of the limiting frame (401), the movable stake (405) is arranged in the groove hole at the lower end of the short screw rod (404), the rubber clamp head (406) is fixedly installed on the lower surface of the movable stake (405), the bent sliding plate (407) is arranged in the rectangular through hole of the limiting frame (401), the movable sliding sleeve (408) is sleeved on the outside of the short rod inside the limiting frame (401), the electric motor (409) is fixedly installed inside the movable sliding sleeve (408), the rubber roller (403) is attached to the inside of the rubber clamp head (406) on the outside, the lower end of the bent sliding plate (407) is fixedly connected with the movable stake (405), the upper end of the bent sliding plate (407) is fixedly connected with the electric motor (409), and the lower end of the rotating shaft of the electric motor (409) is fixedly connected with the upper end of the short screw rod (404).

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