CN220199619U

CN220199619U - Shock-absorbing buffer landing gear of unmanned aerial vehicle

Info

Publication number: CN220199619U
Application number: CN202320967779.9U
Authority: CN
Inventors: 薛德斌
Original assignee: Dongguan Dejin Precision Industry Co ltd
Current assignee: Dongguan Dejin Precision Industry Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-12-19
Anticipated expiration: 2033-04-26

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a damping buffering falling frame of an unmanned aerial vehicle, which comprises a falling frame, wherein the falling frame is integrally a box frame with an opening on the top surface, a mounting plate for mounting the unmanned aerial vehicle is arranged at the inner upper part of the falling frame, a space between the mounting plate and the inner bottom surface of the falling frame is a buffering cavity, a spring plate is arranged in the buffering cavity, the spring plate is integrally in an inverted-convex shape, the left part and the right part of the spring plate are fixed with the bottom surface of the mounting plate, the middle part of the spring plate is fixed with the inner bottom surface of the falling frame, a damping structure is arranged between the bottom surfaces of the left part and the right part of the spring plate and the side walls of the falling frame on the same side, and a supporting mechanism is arranged between the top surface of the middle horizontal part of the spring plate, which is close to four corners, and the bottom surface of the mounting plate. The landing frame can buffer and absorb shock when the unmanned aerial vehicle lands by arranging the spring plates and the shock absorption structure; in addition, the landing frame can be buffered and dispersed by arranging the supporting mechanism according to the impact force received during landing, so that the damage of the landing frame caused by overlarge stress is avoided.

Description

Shock-absorbing buffer landing gear of unmanned aerial vehicle

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a shock absorption buffering falling frame of an unmanned aerial vehicle.

Background

Unmanned aerial vehicle is because its nimble convenient and fast is extensively used in fields such as disaster search and rescue, national defense safety and resource exploration, but some unmanned aerial vehicle's descending system is not meticulous enough, receives great impact force easily when descending and influences unmanned aerial vehicle and use, consequently needs a unmanned aerial vehicle that can the shock attenuation to descend the frame.

For example, the patent of the bulletin number CN211810205U is granted and is published in unmanned aerial vehicle support technical field with unmanned aerial vehicle support damping device, including falling frame and mount table, the bottom of falling the frame is connected with the descending pole, the upper end welding of falling the frame has the shock mount pad, the bottom welding of mount table has the buffer post, the one end and the shock mount pad slip grafting of buffer post, just the bottom fixedly connected with damping spring of slot in the shock mount pad, damping spring is connected with the bottom surface of buffer post through the connecting plate, the bottom welding of mount table has banding spliced pole, the one end of spliced pole articulates there is the buffering foot, the gyro wheel is installed to the one end of buffering foot.

The support only carries out damping by arranging the damping spring, the damping effect is poor, the spring cannot effectively consume energy, and the spring can only temporarily deform and store energy; in order to solve the problems, a shock absorption buffer falling frame of an unmanned aerial vehicle is provided.

Disclosure of Invention

The utility model aims to provide a damping and buffering drop frame of an unmanned aerial vehicle, which aims to solve the problems that damping is carried out only by arranging a damping spring in the patent with the publication number of CN211810205U, the damping effect is poor, the spring cannot effectively consume energy and only temporarily deforms to store energy.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a unmanned aerial vehicle's shock attenuation buffering falls frame, falls the frame including falling, it is top surface open-ended tank tower to fall the frame wholly, fall to lean on upper portion in the frame and be equipped with the mounting panel that is used for installing unmanned aerial vehicle, the mounting panel with space between the interior bottom surface of falling the frame is the cushion chamber, be equipped with the spring plate in the cushion chamber, the spring plate wholly is the zigzag of falling, the spring plate control the part with the mounting panel bottom surface is fixed, the middle part with it is fixed to fall the frame interior bottom surface, the spring plate control horizontal part bottom surface with the homonymy be equipped with shock-absorbing structure between the lateral wall of falling the frame, the spring plate middle horizontal part top surface be close to four corners department with be equipped with supporting mechanism between the mounting panel bottom surface.

Preferably, the mounting plate is provided with a plurality of mounting holes which are distributed regularly and are used for being in threaded connection with the unmanned aerial vehicle main body.

Preferably, the left and right side walls of the mounting plate are symmetrically provided with sliding blocks, and the left and right side walls of the landing frame are provided with limiting grooves matched with the sliding blocks in position and size.

Preferably, the damping structure comprises a damper fixed in the middle of the side wall of the landing frame, a baffle with the diameter larger than that of a sliding rod of the damper is arranged on the end face of the sliding rod of the damper, and a first spring is sleeved on the outer wall of the sliding rod of the damper.

Preferably, a connecting rod is arranged between the inner side surface of the baffle plate and the bottom surface of the horizontal part with the higher spring plate on the same side, and two ends of the connecting rod are hinged through hinged supports.

Preferably, the support mechanism comprises a base, the base is fixedly connected with the top surface of the middle horizontal part of the spring plate, a sliding cavity is formed in the base, a compression bar is connected in the sliding cavity in a sliding mode, the top end of the compression bar is fixed with the bottom surface of the mounting plate, and a second spring is arranged between the bottom end of the compression bar and the inner bottom surface of the sliding cavity.

Preferably, the bottom surface of the landing frame is provided with four pulleys, the tops of the pulleys are provided with Z-shaped connecting pieces, and the top ends of the connecting pieces penetrate through the bottom surface of the landing frame and are fixedly connected with the bottom surface of the middle horizontal part of the spring plate.

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

1. this unmanned aerial vehicle's shock attenuation buffering falls frame through setting up the spring board, and shock-absorbing structure can carry out effectual buffering shock attenuation when unmanned aerial vehicle descends.

2. This unmanned aerial vehicle's shock attenuation buffering descending frame carries out the buffering dispersion through setting up the impact force that supporting mechanism can receive when the landing, avoids the atress too big to lead to the descending frame to damage.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the utility model;

FIG. 2 is a cross-sectional view of the overall structure of the utility model;

FIG. 3 is a schematic view of a shock absorbing structure in accordance with the present utility model;

fig. 4 is a schematic view of a supporting mechanism in the utility model.

In the figure: 1. a falling frame; 11. a buffer chamber; 12. a limit groove; 2. a mounting plate; 21. a mounting hole; 22. a slide block; 3. a spring plate; 4. a shock absorbing structure; 41. a damper; 42. a first spring; 43. a connecting rod; 44. a hinged support; 5. a support mechanism; 51. a compression bar; 52. a base; 53. a sliding cavity; 54. a second spring; 6. and (3) a pulley.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution:

the damping buffering falling frame of the unmanned aerial vehicle comprises a falling frame 1, wherein the falling frame 1 is integrally provided with a box frame with an opening on the top surface, a mounting plate 2 for mounting the unmanned aerial vehicle is arranged at the upper part in the falling frame 1, a buffer cavity 11 is arranged in a space between the mounting plate 2 and the inner bottom surface of the falling frame 1, a spring plate 3 is arranged in the buffer cavity 11, the whole spring plate 3 is in an inverted-convex shape, the left part and the right part of the spring plate 3 are fixed with the bottom surface of the mounting plate 2, the middle part of the spring plate 3 is fixed with the inner bottom surface of the falling frame 1, a damping structure 4 is arranged between the bottom surface of the left part and the right part of the spring plate 3 and the side wall of the falling frame 1 on the same side, a supporting mechanism 5 is arranged between the top surface of the middle horizontal part of the spring plate 3, which is close to four corners, and the bottom surface of the mounting plate 2, and a plurality of regularly distributed mounting holes 21 for being in threaded connection with the unmanned aerial vehicle body are arranged on the mounting plate 2; the landing gear is matched with the spring plate 3, the damping structure 4 and the supporting mechanism 5 for buffering and damping.

The side wall around the mounting panel 2 all is equipped with slider 22 around the symmetry, and the side wall is equipped with the spacing groove 12 with slider 22 position size looks adaptation about descending frame 1, mounting panel 2 and descending frame 1 sliding connection make unmanned aerial vehicle exist certain buffering space when descending.

In this embodiment, shock-absorbing structure 4 includes with falling frame 1 lateral wall middle part fixed bumper shock absorber 41, the terminal surface of the slide bar of bumper shock absorber 41 is equipped with the baffle that the diameter is greater than its slide bar diameter, and the slide bar outer wall cover of bumper shock absorber 41 is equipped with first spring 42, and first spring 42 can be for the impact force a reaction force that unmanned aerial vehicle produced in the twinkling of an eye of falling, avoids the too big impact force in the twinkling of an eye to influence bumper shock absorber 41 life.

Specifically, a connecting rod 43 is arranged between the inner side surface of the baffle and the bottom surface of the higher horizontal part of the same-side spring plate 3, two ends of the connecting rod 43 are hinged through a hinged support 44, a space between the spring plate 3 and the landing frame 1 is compressed during landing, and at the moment, the connecting rod 43 can squeeze a sliding rod of the shock absorber 41 so as to consume energy and absorb shock through damping fluid inside.

In addition, the supporting mechanism 5 comprises a base 52, the base 52 is fixedly connected with the top surface of the horizontal part in the middle of the spring plate 3, a sliding cavity 53 is arranged in the base 52, a compression bar 51 is connected in the sliding cavity 53 in a sliding mode, the top end of the compression bar 51 is fixed with the bottom surface of the mounting plate 2, a second spring 54 is arranged between the bottom end of the compression bar 51 and the inner bottom surface of the sliding cavity 53, and impact force received during landing is dispersed through the supporting mechanism 5, so that damage to a landing frame caused by excessive instantaneous stress is avoided.

Finally, fall frame 1 bottom surface and be equipped with four pulleys 6, pulley 6 top is equipped with the connecting piece of zigzag, and the connecting piece top passes to fall frame 1 bottom surface and the middle horizontal part bottom surface fixed connection of spring plate 3, and pulley 6 can receive ascending impact force when descending, and mounting panel 2 can continue to move downwards owing to inertia, can make spring plate 3 deformation and then cushion under the combined action of the two.

When the shock absorption and buffering falling frame of the unmanned aerial vehicle is used in falling, the pulley 6 can receive upward impact force and is dispersed and transmitted to the spring plate 3 through the connecting piece, the spring plate 3 deforms under the combined action of inertia of the mounting plate 2, and the connecting rod 43 is enabled to extrude the sliding rod of the shock absorber 41 so as to consume energy and absorb shock through damping fluid in the connecting rod.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The damping buffering falling frame of the unmanned aerial vehicle comprises a falling frame (1), and is characterized in that: the landing frame (1) is wholly top surface open-ended box frame, lean on upper portion to be equipped with in landing frame (1) mounting panel (2) that are used for installing unmanned aerial vehicle, mounting panel (2) with space between the interior bottom surface of landing frame (1) is cushion chamber (11), be equipped with spring plate (3) in cushion chamber (11), spring plate (3) are whole to be the protruding font of falling, spring plate (3) control the part with mounting panel (2) bottom surface is fixed, the middle part with bottom surface is fixed in landing frame (1), spring plate (3) control horizontal part bottom surface and homonymy be equipped with shock-absorbing structure (4) between the lateral wall of landing frame (1), spring plate (3) middle horizontal part top surface be close to four corners department with be equipped with supporting mechanism (5) between mounting panel (2) bottom surface.

2. The unmanned aerial vehicle's shock absorber cushion falls frame according to claim 1, wherein: the mounting plate (2) is provided with a plurality of regularly distributed mounting holes (21) which are used for being in threaded connection with the unmanned aerial vehicle main body.

3. The unmanned aerial vehicle's shock absorber cushion falls frame according to claim 1, wherein: the sliding blocks (22) are symmetrically arranged on the left side wall and the right side wall of the mounting plate (2), and limit grooves (12) matched with the position and the size of the sliding blocks (22) are formed in the left side wall and the right side wall of the landing frame (1).

4. The shock absorbing and buffering drop frame of the unmanned aerial vehicle according to claim 3, wherein: the damping structure (4) comprises a damper (41) fixed in the middle of the side wall of the landing frame (1), a baffle with the diameter larger than that of a sliding rod of the damper (41) is arranged on the end face of the sliding rod of the damper (41), and a first spring (42) is sleeved on the outer wall of the sliding rod of the damper (41).

5. The shock absorbing and buffering drop frame of the unmanned aerial vehicle according to claim 4, wherein: a connecting rod (43) is arranged between the inner side surface of the baffle and the bottom surface of the higher horizontal part of the spring plate (3) on the same side, and two ends of the connecting rod (43) are hinged through hinged supports (44).

6. The shock absorbing and buffering drop frame of the unmanned aerial vehicle according to claim 5, wherein: the supporting mechanism (5) comprises a base (52), the base (52) is fixedly connected with the top surface of the middle horizontal part of the spring plate (3), a sliding cavity (53) is formed in the base (52), a compression bar (51) is connected in the sliding cavity (53) in a sliding mode, the top end of the compression bar (51) is fixed with the bottom surface of the mounting plate (2), and a second spring (54) is arranged between the bottom end of the compression bar (51) and the inner bottom surface of the sliding cavity (53).

7. The unmanned aerial vehicle's shock absorber cushion falls frame according to claim 1, wherein: the landing frame is characterized in that four pulleys (6) are arranged on the bottom surface of the landing frame (1), a Z-shaped connecting piece is arranged at the top of each pulley (6), and the top end of each connecting piece penetrates through the bottom surface of the landing frame (1) and the bottom surface of the middle horizontal part of the spring plate (3) to be fixedly connected.