CN212423449U

CN212423449U - Unmanned aerial vehicle rises and falls with stabilizer blade structure with shock-absorbing function

Info

Publication number: CN212423449U
Application number: CN201922435635.5U
Authority: CN
Inventors: 王旭; 陈定平; 何亚
Original assignee: Hunan Qianniu Uav Technology Co ltd
Current assignee: Hunan Qianniu Uav Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2021-01-29
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a support leg structure with shock absorption function for unmanned aerial vehicle rising and falling, which comprises an unmanned aerial vehicle body, a shell is fixed at the bottom of the unmanned aerial vehicle body, a slide bar is horizontally arranged at the inner side of the shell, a slide block is sleeved at both ends of the slide bar in a sliding way, a first spring is connected between the two slide blocks, wedge blocks are fixed at the bottoms of the two slide blocks, a rotating shaft is arranged between the two wedge blocks, a gear is fixedly sleeved on the rotating shaft, a first rack and a second rack are respectively fixedly connected at one opposite sides of the two wedge blocks, the first rack and the second rack are respectively connected with the gear in a meshing way, a buffer rod is arranged at both ends of the inner bottom of the shell in a penetrating way, the top of the buffer rod extends to the inner side of the shell and is rotatably connected with a roller, the roller is contacted with the bottom inclined plane of the, make the sense of vibration greatly reduced that the unmanned aerial vehicle body contacted, make unmanned aerial vehicle descending more steady.

Description

Unmanned aerial vehicle rises and falls with stabilizer blade structure with shock-absorbing function

Technical Field

The utility model relates to an unmanned aerial vehicle field, in particular to unmanned aerial vehicle rises and falls and uses stabilizer blade structure with shock-absorbing function.

Background

Drone ", english abbreviation" UAV ", is an unmanned aircraft that is operated by means of a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer. Compared to manned aircraft, drones tend to be more suitable for tasks that are too dangerous. Unmanned aerial vehicles can be classified into military and civil applications according to the application field. For military use, unmanned aerial vehicles divide into reconnaissance aircraft and target drone. In the civil aspect, the unmanned aerial vehicle + the industry application is really just needed by the unmanned aerial vehicle; at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology.

Can land safely for unmanned aerial vehicle, all can be provided with the undercarriage in unmanned aerial vehicle's bottom, when the in-process that unmanned aerial vehicle descends, because the weight of self is great impact force occasionally lands, make unmanned aerial vehicle take place the slope easily, and then make wing or organism impaired, be unfavorable for landing of unmanned aerial vehicle safety.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an unmanned aerial vehicle rises and falls and uses stabilizer blade structure with shock-absorbing function, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a supporting leg structure with a shock absorption function for rising and falling of an unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein a shell is fixed at the bottom of the unmanned aerial vehicle body, a sliding rod is horizontally arranged on the inner side of the shell, sliding sleeves are respectively arranged at two ends of the sliding rod in a sliding mode, a first spring is connected between the two sliding blocks, wedge blocks are respectively fixed at the bottoms of the two sliding blocks, a rotating shaft which is rotatably connected with the inner wall of the shell is arranged between the two wedge blocks, a gear is fixedly sleeved on the rotating shaft, a first rack and a second rack are respectively and fixedly connected to one opposite sides of the two wedge blocks, the first rack and the second rack are respectively connected with the gear in a meshing mode, a buffer rod penetrates through two ends of the bottom of the inner side of the shell, the top of the buffer rod extends to the inner side of the shell and is rotatably connected with a roller, the lower pot head of buffer beam is equipped with the cushion collar, the lower extreme outside of buffer beam in the cushion collar upper square cover is equipped with the second spring, the bottom of cushion collar is fixed with the supporting legs board.

Preferably, the two wedge blocks are distributed in an axisymmetrical manner by taking the rotating shaft as a symmetry axis.

Preferably, the inside of cushion collar seted up with the dashpot of buffer beam looks adaptation, the bottom fixedly connected with limiting plate of buffer beam, the diameter of limiting plate is greater than the internal diameter of dashpot open-top.

Preferably, the bottom of the shell is provided with a through hole matched with the buffer rod.

Preferably, the first rack and the second rack are distributed in axial symmetry by taking the rotating shaft as a symmetry axis.

Preferably, a reinforcing rod is connected between the surface of the supporting foot plate and the outer side surface of the buffer sleeve.

Compared with the prior art, the utility model discloses following beneficial effect has: when the unmanned aerial vehicle descends, the supporting foot plate firstly contacts the ground, the weight of the unmanned aerial vehicle body is pressed on the buffer rod, the buffer rod transmits the weight to the second spring, the vibration transmitted from the supporting foot plate contacting the ground is transmitted to the second spring, the second spring can absorb partial vibration, the buffer sleeve also consumes and absorbs partial vibration due to the buffer groove arranged in the buffer sleeve, meanwhile, the buffer rod moves upwards under the action of impact force, so that the roller presses the bottom inclined plane of the wedge block to enable the two wedge blocks to move oppositely, and simultaneously, the first rack and the second rack are respectively meshed with the gear, so that the two wedge blocks are kept stable in the moving process, at the moment, the first spring is in a compressed state and can absorb partial vibration, the vibration is absorbed and transmitted by multiple parts, and the vibration contacted with the unmanned aerial vehicle body is greatly reduced, make unmanned aerial vehicle descend more steadily.

Drawings

Fig. 1 is a schematic view of the overall structure of the landing leg structure of the unmanned aerial vehicle with a shock-absorbing function of the present invention;

fig. 2 is the utility model relates to an unmanned aerial vehicle rises and falls with buffer beam of stabilizer blade structure and connection structure cross-sectional view of cushion collar with shock-absorbing function.

In the figure: 1. an unmanned aerial vehicle body; 2. a housing; 3. a slide bar; 4. a slider; 5. a first spring; 6. a wedge block; 7. a rotating shaft; 8. a gear; 9. a first rack; 10. a second rack; 11. A buffer rod; 12. a roller; 13. a buffer sleeve; 14. a second spring; 15. a support leg plate; 16. A buffer tank; 17. a limiting plate; 18. a reinforcing rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, a support leg structure with shock absorption function for unmanned aerial vehicle rising and falling comprises an unmanned aerial vehicle body 1, a housing 2 is fixed at the bottom of the unmanned aerial vehicle body 1, a slide bar 3 is horizontally arranged at the inner side of the housing 2, slide blocks 4 are respectively slidably sleeved at two ends of the slide bar 3, a first spring 5 is connected between the two slide blocks 4, wedge blocks 6 are respectively fixed at the bottoms of the two slide blocks 4, a rotating shaft 7 rotatably connected with the inner wall of the housing 2 is arranged between the two wedge blocks 6, a gear 8 is fixedly sleeved on the rotating shaft 7, a first rack 9 and a second rack 10 are respectively fixedly connected at one opposite sides of the two wedge blocks 6, the first rack 9 and the second rack 10 are respectively engaged with the gear 8, buffer rods 11 are respectively arranged at two ends of the bottom of the inner side of the housing 2 in a penetrating manner, the tops of the buffer rods 11 extend to the inner side of the housing 2 and are rotatably connected with rollers, the gyro wheel 12 with the bottom inclined plane of wedge 6 contacts, the lower pot head of buffer beam 11 is equipped with buffer sleeve 13, the lower extreme outside of buffer beam 11 in buffer sleeve 13 top cover is equipped with second spring 14, the bottom of buffer sleeve 13 is fixed with supporting legs board 15.

In this embodiment, preferably, the two wedge blocks 6 are distributed in an axisymmetrical manner with the rotating shaft 7 as a symmetry axis.

In this embodiment, preferably, the inside of the buffer sleeve 13 is provided with a buffer slot 16 matched with the buffer rod 11, the bottom of the buffer rod 11 is fixedly connected with a limiting plate 17, and the diameter of the limiting plate 17 is greater than the inner diameter of an opening at the top of the buffer slot 16.

In this embodiment, preferably, a through hole adapted to the buffer rod 11 is formed at the bottom of the housing 2.

In this embodiment, preferably, the first rack 9 and the second rack 10 are distributed in axial symmetry with the rotating shaft 7 as a symmetry axis.

In this embodiment, a reinforcing bar 18 is preferably connected between the surface of the supporting foot plate 15 and the outer side surface of the cushion collar 13.

It should be noted that the utility model relates to a support leg structure with shock-absorbing function for unmanned aerial vehicle landing, when the unmanned aerial vehicle landing, the support leg plate 15 first contacts the ground, the weight of the unmanned aerial vehicle body 1 presses on the buffer rod 11, the buffer rod 11 transfers the weight to the second spring 14, the shock transferred from the support leg plate 15 contacting the ground is transferred to the second spring 14, the second spring 14 can absorb part of the shock, the buffer sleeve 13 also consumes part of the shock due to the buffer groove 16 arranged inside, and the buffer rod 11 moves upwards under the impact force, so that the roller 12 extrudes the bottom inclined plane of the wedge 6 to make the two wedges 6 move towards each other, and the first rack 9 and the second rack 10 are respectively engaged with the gear 8, so that the two wedges 6 are kept stable during the moving process, at this time, the first spring 5 is in the compression state, can absorb part vibration, vibration absorbs and transmits through many parts, makes the vibration greatly reduced that unmanned aerial vehicle body 1 contacted, makes unmanned aerial vehicle descend more steadily.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an unmanned aerial vehicle rises and falls with stabilizer blade structure with shock-absorbing function, includes unmanned aerial vehicle body (1), its characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), a shell (2) is fixed at the bottom of the unmanned aerial vehicle body (1), a sliding rod (3) is horizontally arranged on the inner side of the shell (2), sliding sleeves are respectively provided with a sliding block (4) at the two ends of the sliding rod (3), a first spring (5) is connected between the sliding blocks (4), wedge blocks (6) are respectively fixed at the bottoms of the sliding blocks (4), a rotating shaft (7) rotatably connected with the inner wall of the shell (2) is arranged between the two wedge blocks (6), a gear (8) is fixedly connected onto the rotating shaft (7), a first rack (9) and a second rack (10) are respectively and fixedly connected to one opposite sides of the two wedge blocks (6), the first rack (9) and the second rack (10) are respectively connected with the gear (8) in a meshed manner, and buffer rods (11) are respectively arranged at the two ends of the inner side of the, the top of buffer beam (11) extends to casing (2) inboard and swivelling joint have gyro wheel (12), gyro wheel (12) with the bottom inclined plane of wedge (6) contacts, the lower pot head of buffer beam (11) is equipped with buffer sleeve (13), the lower extreme outside of buffer beam (11) in buffer sleeve (13) top cover is equipped with second spring (14), the bottom of buffer sleeve (13) is fixed with support sole (15).

2. The leg structure for unmanned aerial vehicle landing with shock-absorbing function of claim 1, wherein: the two wedge-shaped blocks (6) are distributed in an axisymmetric manner by taking the rotating shaft (7) as a symmetry axis.

3. The leg structure for unmanned aerial vehicle landing with shock-absorbing function of claim 1, wherein: buffer slot (16) with buffer beam (11) looks adaptation are seted up to the inboard of cushion collar (13), the bottom fixedly connected with limiting plate (17) of buffer beam (11), the diameter of limiting plate (17) is greater than buffer slot (16) open-top's internal diameter.

4. The leg structure for unmanned aerial vehicle landing with shock-absorbing function of claim 1, wherein: the bottom of the shell (2) is provided with a through hole matched with the buffer rod (11).

5. The leg structure for unmanned aerial vehicle landing with shock-absorbing function of claim 1, wherein: the first rack (9) and the second rack (10) are distributed in an axisymmetric manner by taking the rotating shaft (7) as a symmetry axis.

6. The leg structure for unmanned aerial vehicle landing with shock-absorbing function of claim 1, wherein: and a reinforcing rod (18) is connected between the surface of the supporting foot plate (15) and the outer side surface of the buffer sleeve (13).