CN214057890U

CN214057890U - Damping mechanism for unmanned aerial vehicle landing

Info

Publication number: CN214057890U
Application number: CN202022746381.1U
Authority: CN
Inventors: 董跃
Original assignee: Changzhou Vocational Institute of Mechatronic Technology
Current assignee: Beijing Hydrogen Source Intelligent Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-27
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses an unmanned aerial vehicle is damper for descending relates to unmanned aerial vehicle shock attenuation field, which comprises a bod, the inner wall bottom of organism is provided with the foot rest, the inboard of foot rest is provided with a spring, and the inboard inner wall that is located a spring of foot rest is provided with the connecting rod, the inboard that the connecting rod outer wall is located a spring is provided with the slider, the inner wall of slider rotates and is connected with the slide bar, the slide bar is kept away from the one end rotation of slider and is connected with the hinge that links to each other with the organism. The utility model discloses a set up the mode that spring shock attenuation and gasbag shock attenuation combined together, make unmanned aerial vehicle obtain the cushioning effect at descending in-process, reduced the impact force that direct striking ground brought, make unmanned aerial vehicle's shock attenuation effect improve greatly, solved when unmanned aerial vehicle is quick slides and descends, because stronger vibrations and impact force can't be alleviated to traditional shock-absorbing structure, cause unmanned aerial vehicle probably impaired problem.

Description

Damping mechanism for unmanned aerial vehicle landing

Technical Field

The utility model relates to an unmanned aerial vehicle shock attenuation field specifically is an unmanned aerial vehicle damping mechanism for descending.

Background

An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer. Drones tend to be more suitable for tasks that are too "fool, dirty, or dangerous" than are manned aircraft. 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.

The existing undercarriage damping structure for the unmanned aerial vehicle can only play a damping effect when the unmanned aerial vehicle slowly vertically lands due to single structure, and the traditional damping structure cannot relieve strong vibration and impact force when the unmanned aerial vehicle rapidly slides and lands, so that the problem that the unmanned aerial vehicle is possibly damaged is caused; the final camera lens cannot be used due to the fact that the camera lens has too large shaking amplitude in the falling stage of the aerial photography process due to vibration and shaking of the aircraft body during falling.

Therefore, the damping mechanism for landing of the unmanned aerial vehicle is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the damping structure aims to solve the problem that the unmanned aerial vehicle can only play a damping effect when the unmanned aerial vehicle slowly vertically lands due to single structure, and can be damaged because the traditional damping structure cannot relieve strong vibration and impact force when the unmanned aerial vehicle rapidly slides and lands; because vibrations, the rocking when the fuselage descends, the descending stage that leads to the process of taking photo by plane gets the camera lens and rocks the range too big, causes the unable problem of using of last camera lens, provides an unmanned aerial vehicle damping mechanism for the descending.

In order to achieve the above object, the utility model provides a following technical scheme: a damping mechanism for landing of an unmanned aerial vehicle comprises a machine body, wherein a foot rest is arranged at the bottom of the inner wall of the machine body, a first spring is arranged on the inner side of the foot rest, and the inner side of the foot rest is positioned on the inner wall of the first spring and is provided with a connecting rod, the outer wall of the connecting rod is positioned on the inner side of the first spring and is provided with a sliding block, the inner wall of the sliding block is rotationally connected with a sliding rod, one end of the sliding rod, which is far away from the sliding block, is rotationally connected with a hinge connected with the machine body, the top end of the machine body is provided with a first bracket, a second bracket is arranged at one side of the first bracket at the top end of the machine body, a second spring is arranged on the inner wall of the bottom end of the machine body and the inner wall of the bottom end of the foot rest, the bottom end of a second spring in the foot rest is connected with a piston, the bottom end of the piston is provided with a loop bar, the bottom of loop bar is connected with the gasbag, the inner wall of foot rest bottom is located one side of No. two springs and is provided with the hose that runs through the loop bar and link to each other with the gasbag.

Preferably, a sliding groove matched with the connecting rod is arranged at the position where the sliding block is contacted with the connecting rod.

Preferably, the hinge and the sliding rod, and the slider and the sliding rod are rotatably connected through a rotating shaft.

Preferably, the outer wall of the piston is matched with the inner wall of the foot rest, and a sealing piece is arranged at the joint of the piston and the inner wall of the foot rest.

Preferably, a sealing member is arranged at the position where the hose is contacted with the foot rest and the air bag.

Preferably, the outer wall of the bottom end of the air bag is provided with a friction pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a mode that sets up spring shock attenuation and gasbag shock attenuation and combine together makes unmanned aerial vehicle obtain the cushioning effect in the process of descending, has reduced the impact force that directly strikes ground and brings, makes unmanned aerial vehicle's shock attenuation effect improve greatly, has solved when unmanned aerial vehicle is quick to slide to descend, because traditional shock-absorbing structure can't alleviate stronger vibrations and impact force, causes the problem that unmanned aerial vehicle may be impaired;

2. the utility model discloses a set up the connecting rod, the slider, the hinge, connecting rod and spring, slider and connecting rod are articulated through the rotating shaft, place shooting instrument descending production vibrations back when the organism top, the hinge receives the pressure on upper portion, the hinge moves down, because the interval between hinge and the connecting rod reduces, the connecting rod expandes to the outside, the connecting rod drives the slider and extrudees the spring, when the spring is extruded, produce opposite restoring force, the pressure that receives with the hinge offsets, the organism vibrations that produce when having slowed down the descending, vibrations when having solved because the fuselage descends, rock, the descending stage that leads to the process of taking photo by plane gets the camera lens and rocks the range too big, cause the unable problem that uses of last camera lens.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a partially enlarged view of the point B of fig. 1 according to the present invention.

In the figure: 1. a body; 2. a foot rest; 3. a bracket I; 4. a bracket II; 5. a hinge; 6. a slide bar; 7. a connecting rod; 8. a slider; 9. a first spring; 10. a rotating shaft; 11. a second spring; 12. a piston; 13. a loop bar; 14. a hose; 15. an air bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a damping mechanism for landing of an unmanned aerial vehicle comprises a machine body 1, a foot stool 2 is arranged at the bottom of the inner wall of the machine body 1, a first spring 9 is arranged at the inner side of the foot stool 2, a connecting rod 7 is arranged at the inner side of the first spring 9 at the inner side of the foot stool 2, a slider 8 is arranged at the inner side of the first spring 9 at the outer wall of the connecting rod 7, a sliding rod 6 is rotatably connected with the inner wall of the slider 8, a hinge 5 connected with the machine body 1 is rotatably connected with one end of the sliding rod 6 far away from the slider 8, a first bracket 3 is arranged at the top end of the machine body 1, a second bracket 4 is arranged at one side of the first bracket 3 at the top end of the machine body 1, a second spring 11 is arranged on the inner wall of the bottom end of the machine body 1 and the inner wall of the bottom end of the foot stool 2, a piston 12 is connected with the bottom end of the second spring 11 in the foot stool 2, a loop bar 13 is arranged at the bottom end of the piston 12, and an air bag 15 is connected with the bottom end of the loop bar 13, the inner wall of the bottom end of the foot rest 2 is provided with a hose 14 which penetrates through the loop bar 13 and is connected with an air bag 15 at one side of the second spring 11.

Please refer to fig. 1, a sliding groove matched with the connecting rod 7 is disposed at a position where the sliding block 8 contacts with the connecting rod 7, so as to facilitate the relative movement of the sliding block 8 on the connecting rod 7.

Please refer to fig. 1, the hinge 5 and the sliding rod 6, and the sliding block 8 and the sliding rod 6 are rotatably connected by a rotating shaft 10, so as to facilitate the relative movement between the hinge 5 and the sliding rod 6, and between the sliding block 8 and the sliding rod 6.

Please refer to fig. 3, the outer wall of the piston 12 is engaged with the inner wall of the stand 2, and a sealing member is disposed at the connection between the piston 12 and the inner wall of the stand 2, so as to facilitate the piston 12 to move upward and then squeeze the gas in the stand 2.

Please refer to fig. 3, a sealing member is disposed at a position where the hose 14 contacts with the foot rest 2 and the air bag 15, so that the air in the foot rest 2 can be conveniently input into the air bag 15 through the hose 14.

Please refer to fig. 3, the outer wall of the bottom end of the air bag 15 is provided with a friction pad to prevent the air bag 15 from being damaged due to repeated friction with the ground.

The working principle is as follows: when the unmanned aerial vehicle descends, the machine body 1 generates vibration, a shooting instrument is arranged between the first bracket 3 and the second bracket 4, the machine body 1 transmits the vibration downwards through the second spring 11 in the machine body 1, the foot rest 2 is subjected to pressure transmitted from the upper part, the machine body 1 and the foot rest 2 generate downward displacement simultaneously, the machine body 1 moves downwards along the outer wall of the foot rest 2, the second spring 11 in the machine body 1 compresses, the foot rest 2 moves downwards along the outer wall of the sleeve rod 13, the second spring 11 in the foot rest 2 is compressed simultaneously, the machine body 1 drives the hinge 5 to move downwards in the downward movement process of the machine body 1, as the distance between the hinge 5 and the connecting rod 7 is reduced, one end of the sliding rod 6, which is far away from the hinge 5, is unfolded outwards, the sliding rod 6 can drive the sliding block 8 to extrude the first spring 9, and when the first spring 9 is extruded, an opposite reset force is generated, can offset the power production of organism 1 downward displacement, slow down because of unmanned aerial vehicle starts the vibrations that the in-process produced of flying, and at the in-process of foot rest 2 downstream, the area of contact of increase loop bar 13 and foot rest 2 inner wall, the inside No. two spring 11 of foot rest 2 is compressed simultaneously, there is the inside that the gas in the foot rest 2 got into gasbag 15 through hose 14 under the effect of pressure this moment, gasbag 15 inflation, increase from birth to the buffer capacity, prevent loop bar 13 and ground hard contact, impaired probability has been reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an unmanned aerial vehicle descends and uses damper, includes organism (1), its characterized in that: the novel foot stool is characterized in that a foot stool (2) is arranged at the bottom of the inner wall of the machine body (1), a first spring (9) is arranged on the inner side of the foot stool (2), a connecting rod (7) is arranged on the inner side of the first spring (9) on the inner side of the foot stool (2), a sliding block (8) is arranged on the inner side of the first spring (9) on the outer wall of the connecting rod (7), a sliding rod (6) is rotatably connected to the inner wall of the sliding rod (6) far away from the sliding block (8), a hinge (5) connected with the machine body (1) is rotatably connected to one end of the sliding rod (6) far away from the sliding block (8), a first bracket (3) is arranged at the top end of the machine body (1), a second bracket (4) is arranged on one side of the first bracket (3) on the top end of the machine body (1), a second spring (11) is arranged on the inner wall of the bottom end of the machine body (1) and the inner wall of the bottom end of the foot stool (2), a piston (12) is connected to the bottom end of the second spring (11) inside the foot stool (2), the bottom of piston (12) sets up loop bar (13), the bottom of loop bar (13) is connected with gasbag (15), one side that the inner wall of foot rest (2) bottom is located No. two spring (11) is provided with hose (14) that run through loop bar (13) and link to each other with gasbag (15).

2. The unmanned aerial vehicle damping mechanism for landing according to claim 1, wherein: and a sliding groove matched with the connecting rod (7) is arranged at the position where the sliding block (8) is contacted with the connecting rod (7).

3. The unmanned aerial vehicle damping mechanism for landing according to claim 1, wherein: the hinge (5) is rotatably connected with the sliding rod (6), and the sliding block (8) is rotatably connected with the sliding rod (6) through a rotating shaft (10).

4. The unmanned aerial vehicle damping mechanism for landing according to claim 1, wherein: the outer wall of the piston (12) is matched with the inner wall of the foot rest (2), and a sealing piece is arranged at the joint of the piston (12) and the inner wall of the foot rest (2).

5. The unmanned aerial vehicle damping mechanism for landing according to claim 1, wherein: and sealing parts are arranged at the positions where the hose (14) is contacted with the foot rest (2) and the air bag (15).

6. The unmanned aerial vehicle damping mechanism for landing according to claim 1, wherein: and a friction pad is arranged on the outer wall of the bottom end of the air bag (15).