CN217918393U

CN217918393U - Landing device with shock-absorbing function

Info

Publication number: CN217918393U
Application number: CN202221767135.7U
Authority: CN
Inventors: 吴永应
Original assignee: Shenzhen Lujiu Hardware Products Co ltd
Current assignee: Shenzhen Lujiu Hardware Products Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-29
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a descending device with shock-absorbing function belongs to descending device field, including unmanned aerial vehicle and cushion column, unmanned aerial vehicle's bottom is equipped with the damper of a set of symmetry, the damper of setting, when unmanned aerial vehicle descends subaerial back, unmanned aerial vehicle will make under self action of gravity cover on the cushion column, and the base also will make the cushion column get into to the solid fixed cylinder after receiving the impact force, this moment, damping spring will take place to make indentation operation after deformation and offset the impact force, meanwhile, the gradient of connecting the buffer beam between base and concave type piece will change, the contained angle distance that forms between the buffer beam will diminish gradually, and concave type piece will drive the movable block and remove in the bottom surface of diaphragm, and the extension spring of suit takes place to deform and makes tensile operation on forcing the dead lever, with this impact force that receives when offsetting unmanned aerial vehicle descends, thereby reach the purpose of shock attenuation buffering, and then appear damaging when avoiding unmanned aerial vehicle to descend.

Description

Landing device with shock-absorbing function

Technical Field

The utility model relates to a descending device field, in particular to descending device with shock-absorbing function.

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 fully or intermittently, by an onboard computer. Unmanned aerial vehicles can be classified into military and civilian applications. 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; 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 the industrial application and develop the unmanned aerial vehicle technology. The landing device in this kind of landing device with shock-absorbing function especially refers to the undercarriage of unmanned aerial vehicle upper bottom. The landing device on traditional unmanned aerial vehicle generally all adopts rigid structure for the undercarriage does not possess the absorbing function, and the impact vibrations that produce between the in-process that descends when unmanned aerial vehicle can and ground are great, thereby lead to unmanned aerial vehicle to appear damaging easily, and then influences unmanned aerial vehicle's life.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a landing device with shock-absorbing function, which can effectively solve the problems of the background art.

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

the utility model provides a descending device with shock-absorbing function, includes unmanned aerial vehicle and cushion column, unmanned aerial vehicle's bottom is equipped with the damper of a set of symmetry, damper includes diaphragm, dead lever, extension spring, solid fixed cylinder, damping spring, baffle, base, movable block, concave type piece and buffer beam, diaphragm fixed connection is in unmanned aerial vehicle's bottom surface both sides, and dead lever fixed connection is in the bottom surface of diaphragm, extension spring overlaps and establishes the both ends at the dead lever, and the movable block respectively fixed connection on the extension spring opposite end of symmetry and with dead lever swing joint, concave type piece fixed connection is in the bottom surface of movable block, gu fixed cylinder fixed connection is in the bottom surface both sides of diaphragm, and damping spring fixed connection is at the interior top surface of solid fixed cylinder, the buffer column passes through the baffle fixed connection of top surface in damping spring's bottom, base fixed connection is in the bottom of buffer column, and the buffer beam is through the swing joint of lower extreme installation between base and movable block.

Preferably, a set of symmetrical transverse plates are fixedly mounted on two sides of the bottom surface of the unmanned aerial vehicle respectively, a groove is formed in the bottom surface of each transverse plate, and sliding grooves are formed in two sides of the inner wall of each groove respectively.

Preferably, dead lever fixed mounting is in the recess, and the pole body both ends of dead lever are overlapped respectively and are equipped with extension spring, symmetry extension spring's outside end fixed mounting respectively is on the inslot wall both ends of recess, and extension spring's inboard end fixed mounting has the movable block, the connecting hole has been seted up on the lateral wall of movable block, and the movable block passes through connecting hole movable mounting on the dead lever, the both sides of movable block still put up respectively fixed mounting have the sliding block, and sliding block slidable mounting is in the sliding tray.

Preferably, the concave block is fixedly installed on the bottom surface of the movable block, and second rotating holes are respectively formed in the side walls of the two sides of the concave block.

Preferably, the bottom surface both sides of diaphragm fixed mounting respectively have a fixed cylinder, and fixed mounting has the fender ring in the bottom barrel mouth of a section of thick bamboo of fixed cylinder, top surface fixed mounting has damping spring in the section of thick bamboo of fixed cylinder, and damping spring's bottom surface fixed mounting has the baffle, the bottom surface fixed mounting of baffle has the buffering post, and the buffering post passes and keeps off the ring.

Preferably, the bottom surface fixed mounting of buffering post has the base, and has seted up the notch on the inside wall of base, first rotation hole has been seted up respectively to the inslot wall both sides of notch, the buffer beam is located between base and the concave type piece, and the upper and lower extreme both sides of buffer beam fixed mounting respectively has a dwang, upper end dwang movable mounting is in the second rotation hole, and lower extreme dwang movable mounting is in first rotation hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, the damper who sets up, after unmanned aerial vehicle descends to subaerial, unmanned aerial vehicle will make under the solid fixed cylinder cover on the cushion column under self action of gravity, and the base will make the cushion column enter into to the solid fixed cylinder after receiving the impact force, at this moment, damping spring will take place to make indentation operation after deformation and offset the impact force, and meanwhile, the gradient of the buffer beam of connection between base and concave type piece will change, the contained angle distance that forms between the buffer beam will diminish gradually, and concave type piece will drive the movable block and remove in the bottom surface of diaphragm, and force the extension spring of suit on the dead lever to take place to deform and make tensile operation, with this impact force that receives when offsetting unmanned aerial vehicle descends, thereby reach the purpose of shock attenuation buffering, and then appear damaging when avoiding unmanned aerial vehicle to descend, and ensure unmanned aerial vehicle's normal life.

Drawings

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

fig. 2 is a schematic view of the shock absorbing mechanism according to the present invention;

fig. 3 is a schematic view of the cross plate of the present invention cut along the bottom view.

In the figure: 1. an unmanned aerial vehicle; 2. a damping mechanism; 3. a transverse plate; 4. fixing the rod; 5. an extension spring; 6. A fixed cylinder; 7. a baffle ring; 8. a damping spring; 9. a baffle plate; 10. a buffer column; 11. a base; 12. a recess; 13. a first rotation hole; 14. a movable block; 15. connecting holes; 16. a slider; 17. a concave block; 18. a second rotation hole; 19. a buffer rod; 20. rotating the rod; 21. a groove; 22. a sliding groove.

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. 1-3, a descending device with shock-absorbing function, including unmanned aerial vehicle 1 and buffer post 10, unmanned aerial vehicle 1's bottom is equipped with a set of symmetrical damper 2, damper 2 includes diaphragm 3, dead lever 4, extension spring 5, solid fixed cylinder 6, damping spring 8, baffle 9, a pedestal 11, movable block 14, concave type piece 17 and buffer rod 19, diaphragm 3 fixed connection is in unmanned aerial vehicle 1's bottom surface both sides, and dead lever 4 fixed connection is in the bottom surface of diaphragm 3, extension spring 5 cover is established at the both ends of dead lever 4, and movable block 14 respectively fixed connection on symmetrical extension spring 5 opposite ends and with dead lever 4 swing joint, concave type piece 17 fixed connection is in movable block 14's bottom surface, solid fixed cylinder 6 fixed connection is in the bottom surface both sides of diaphragm 3, and damping spring 8 fixed connection is at solid fixed cylinder 6's section of thick bamboo top surface, buffer post 10 is through baffle 9 fixed connection of top surface dwang fixed connection in damping spring 8's bottom end, pedestal 11 fixed connection is in post 10's bottom, and buffer rod 19 is through 20 swing joint between pedestal 11 and movable block 14 of upper and lower extreme installation.

As shown in fig. 1-3, in this embodiment, in order to enable the unmanned aerial vehicle 1 to have a shock-absorbing function through the shock-absorbing mechanism 2, a set of symmetrical transverse plates 3 are fixedly mounted on two sides of the bottom surface of the unmanned aerial vehicle 1, a groove 21 is formed in the bottom surface of the transverse plates 3, sliding grooves 22 are formed in two sides of the inner wall of the groove 21, the fixing rod 4 is fixedly mounted in the groove 21, and two ends of the rod body of the fixing rod 4 are respectively sleeved with the extension springs 5, outer ends of the symmetrical extension springs 5 are respectively fixedly mounted on two ends of the inner wall of the groove 21, and a movable block 14 is fixedly mounted on the inner side end of the extension springs 5, a connecting hole 15 is formed in the side wall of the movable block 14, and the movable block 14 is movably mounted on the fixing rod 4 through the connecting hole 15, sliding blocks 16 are respectively fixedly mounted on two sides of the movable block 14, and the sliding blocks 16 are slidably mounted in the sliding grooves 22, a concave block 17 is fixedly mounted on the bottom surface of the rotating block 14, and a second rotating hole 18 is formed in the side wall of the two sides of the rotating rod 17, a fixed cylinder 6 is respectively, a bottom surface of the fixed cylinder 6, a bottom surface of the fixed cylinder is mounted on the fixed base 10, a bottom surface of a buffer column 10, a buffer 8 is mounted on the fixed base 10, a bottom surface of the fixed cylinder, a buffer base is mounted on the fixed base 10, a bottom surface of the fixed base 10, a buffer column is mounted on the fixed base 10, a buffer 12 is mounted on the fixed base 10, a bottom surface of the fixed base 12 is mounted on the fixed base, a fixed base 12 is mounted on the fixed base, and a buffer column is mounted on the fixed column, a bottom surface of the fixed base 12, and the lower end rotating rod 20 is movably arranged in the first rotating hole 13;

compared with the landing device on the traditional unmanned aerial vehicle 1, the use specific operation of unmanned aerial vehicle 1 on the cooperation of this damper 2 is as follows: when the unmanned aerial vehicle 1 is in the process of landing, under the action of the self gravity of the unmanned aerial vehicle 1 and the action of the vibration impact force generated by the contact between the base 11 and the ground at the moment when the unmanned aerial vehicle 1 lands, the unmanned aerial vehicle 1 enables the fixed cylinders 6 arranged on the two sides of the bottom surface of the transverse plate 3 to move downwards and cover the buffer column 10, or the buffer column 10 enters the fixed cylinders 6 after being impacted, at the moment, the buffer column 10 enters the fixed cylinders 6 in the process of moving downwards or the buffer column 10 passes through the baffle ring 7 and deforms and retracts the damping springs 8 arranged in the fixed cylinders 6 through the baffle plate 9 so as to offset part of the vibration impact force, meanwhile, in the process of changing the above parts in some rows, the buffer rods 19 movably connected between the base 11 and the concave blocks 17 also change, the rotating rods 20 arranged at the lower ends of the buffer rods 19 rotate in the first rotating holes 13 arranged on the two sides of the inner wall of the groove of the notch 12 arranged on one side of the base 11, and the rotating rod 20 installed on the upper end of the buffer rod 19 will rotate in the second rotating hole 18 opened on both sides of the concave block 17, at this time, the included angle formed between the symmetrical buffer rods 19 will gradually decrease, and the concave block 17 will drive the top movable block 14 to move in the bottom surface of the horizontal plate 3, the movable block 14 will move in the groove 21 opened on the bottom surface of the horizontal plate 3 along the fixing rod 4 through the opened connecting hole 15, and the sliding blocks 16 installed on both sides of the movable block 14 will slide in the sliding groove 22, at this time, the symmetrical movable block 14 in the groove 21 will make relative movement operation, and force the extension spring 5 sleeved on the fixing rod 4 to deform and make extension operation, so as to further counteract the shock brought by the unmanned aerial vehicle 1 when it descends on the basis that the shock absorbing spring 8 deforms to counteract the shock, thereby make unmanned aerial vehicle 1 possess the function that has the shock attenuation buffering to damage appears because of lacking shock-absorbing function when this avoids unmanned aerial vehicle 1 to descend, and ensures unmanned aerial vehicle's normal life, and the unique triangle-shaped that damper 2 formed can increase unmanned aerial vehicle stability when descending.

While the invention has been described in detail with reference to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

Claims

1. The utility model provides a descending device with shock-absorbing function, includes unmanned aerial vehicle (1) and bumping post (10), its characterized in that: a group of symmetrical damping mechanisms (2) are arranged at the bottom of the unmanned aerial vehicle (1), the damping mechanism (2) comprises a transverse plate (3), a fixed rod (4), an extension spring (5), a fixed cylinder (6), a damping spring (8), a baffle plate (9), a base (11), a movable block (14), a concave block (17) and a buffer rod (19), the transverse plates (3) are fixedly connected to the two sides of the bottom surface of the unmanned aerial vehicle (1), and the fixed rod (4) is fixedly connected in the bottom surface of the transverse plate (3), the extension springs (5) are sleeved at two ends of the fixed rod (4), and the movable blocks (14) are respectively fixedly connected on the opposite ends of the symmetrical extension springs (5) and movably connected with the fixed rod (4), the concave block (17) is fixedly connected with the bottom surface of the movable block (14), the fixed cylinders (6) are fixedly connected with the two sides of the bottom surface of the transverse plate (3), and the damping spring (8) is fixedly connected with the inner top surface of the fixed cylinder (6), the buffer column (10) is fixedly connected with the bottom end of the damping spring (8) through a baffle plate (9) on the top surface, the base (11) is fixedly connected with the bottom end of the buffer column (10), and the buffer rod (19) is movably connected between the base (11) and the movable block (14) through a rotating rod (20) arranged at the upper end and the lower end.

2. A descending device having a shock-absorbing function as set forth in claim 1, wherein: the bottom surface both sides of unmanned aerial vehicle (1) are fixed mounting respectively has diaphragm (3) of a set of symmetry, and the bottom surface of diaphragm (3) is seted up flutedly (21), sliding tray (22) have been seted up respectively to the inslot wall both sides of recess (21).

3. A descending device having a shock-absorbing function as set forth in claim 2, wherein: dead lever (4) fixed mounting is in recess (21), and the pole body both ends of dead lever (4) are equipped with extension spring (5), symmetry respectively the outside end of extension spring (5) is fixed mounting respectively on the inslot wall both ends of recess (21), and the inboard of extension spring (5) is served fixed mounting and is had movable block (14), connecting hole (15) have been seted up on the lateral wall of movable block (14), and movable block (14) through connecting hole (15) movable mounting on dead lever (4), the both sides of movable block (14) still put up respectively fixed mounting have sliding block (16), and sliding block (16) slidable mounting in sliding tray (22).

4. A descending device having a shock absorbing function according to claim 3, wherein: the concave block (17) is fixedly arranged on the bottom surface of the movable block (14), and second rotating holes (18) are respectively formed in the side walls of the two sides of the concave block (17).

5. A descending device having a shock absorbing function according to claim 4, wherein: the bottom surface both sides of diaphragm (3) are fixed mounting respectively has a fixed cylinder (6), and the fixed mounting has a fender ring (7) in the bottom section of thick bamboo mouth of a thick bamboo of a fixed cylinder (6), the interior top surface fixed mounting of a section of thick bamboo of a fixed cylinder (6) has damping spring (8), and the bottom surface fixed mounting of damping spring (8) has baffle (9), the bottom surface fixed mounting of baffle (9) has buffer column (10), and buffer column (10) pass and keep off ring (7).

6. A descending device having a shock-absorbing function as set forth in claim 5, wherein: the utility model discloses a buffer column, including buffer column (10), the bottom surface fixed mounting of buffer column (10) has base (11), and has seted up notch (12) on the inside wall of base (11), first rotation hole (13) have been seted up respectively to the inslot wall both sides of notch (12), buffer rod (19) are located between base (11) and concave type piece (17), and the upper and lower end both sides of buffer rod (19) respectively fixed mounting have dwang (20), upper end dwang (20) movable mounting rotate in hole (18) in the second, and lower extreme dwang (20) movable mounting rotate in hole (13) first.