CN214986038U

CN214986038U - Unmanned aerial vehicle falls to ground shock-absorbing structure

Info

Publication number: CN214986038U
Application number: CN202121573638.6U
Authority: CN
Inventors: 高云波; 范鹏飞
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-03
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses an unmanned aerial vehicle landing damping structure, which comprises a body, wherein the surface of the body is uniformly provided with wings, the front end of the body is provided with a camera, the two sides of the bottom end of the body are fixedly connected with connecting rods, the two sides of the surface of each connecting rod are respectively sleeved with a slider, the bottom end of each slider is provided with a supporting rod, a mounting plate is arranged between the bottoms of the supporting rods, the top end of the mounting plate is provided with a limiting plate, the bottom end of the limiting plate is provided with a sliding rod, the bottom end of the sliding rod is fixedly connected with a pulley, the two sides of each connecting rod are respectively fixedly connected with a fixed rod, and a stop mechanism is arranged between the bottoms of two horizontally and longitudinally adjacent fixed rods. The damping and buffering capacity of the device when the device falls to the ground can be further improved.

Description

Unmanned aerial vehicle falls to ground shock-absorbing structure

Technical Field

The utility model relates to an unmanned aerial vehicle field, in particular to unmanned aerial vehicle falls to ground shock-absorbing structure.

Background

As is known, an unmanned aircraft, referred to as "unmanned aerial vehicle" for short, is an unmanned aircraft operated by a radio remote control device and a self-contained program control device, or is autonomously operated by an onboard computer completely or intermittently, and can be classified into military use, civil use and military use according to the application field, and unmanned aerial vehicles are classified into reconnaissance vehicles and target vehicles, and are really just needed for civil use, unmanned aerial vehicles and industrial applications.

Present unmanned aerial vehicle is provided with fixed supporting leg in cloud platform both sides, though can play certain guard action, nevertheless lacks the shock-absorbing capacity, therefore unmanned aerial vehicle still can receive great vibrations when falling and strike, can harm the unmanned aerial vehicle organism to a certain extent.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art's defect, provide an unmanned aerial vehicle shock-absorbing structure that falls to the ground, can do and possess shock-absorbing function, can protect the unmanned aerial vehicle organism.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an unmanned aerial vehicle shock-absorbing structure that falls to ground, the reciprocating impact tunnel drilling machine comprises a machine body, the fuselage surface evenly is provided with the wing, the camera is installed to the fuselage front end, the equal fixedly connected with connecting rod in fuselage bottom both sides, connecting rod surface both sides have all cup jointed the slider, the slider bottom is provided with the bracing piece, every be provided with the mounting panel between the bracing piece bottom, the mounting panel top is provided with the limiting plate, the limiting plate bottom is provided with the slide bar, slide bar bottom fixedly connected with pulley, the equal fixedly connected with dead lever in connecting rod both sides, the level is vertical adjacent two be provided with detent mechanism between the dead lever bottom.

As an optimal technical scheme of the utility model, be sliding connection between slider inner wall and the connecting rod surface, the horizontal adjacent two the first spring of fixedly connected with between the slider, first spring central authorities are passed to the connecting rod.

As an optimal technical scheme of the utility model, the bracing piece is provided with four, and is the installation of 2 x 2 horizontal arrangement, the slider bottom is articulated with the bracing piece top, the bracing piece bottom is articulated with the mounting panel top.

As a preferred technical scheme of the utility model, the limiting plate is provided with four, and distributes on the mounting panel top for 2 x 2 horizontal arrangement, be swing joint between limiting plate and the mounting panel, be fixed connection between limiting plate and the slide bar, the mounting panel bottom is run through to the slide bar bottom, slide bar and mounting panel sliding connection, the pulley is located the mounting panel bottom, fixedly connected with second spring between pulley top and the mounting panel bottom, the slide bar passes second spring central authorities.

As a preferred technical scheme of the utility model, stop mechanism includes the spacing groove, be fixed connection between spacing groove and the dead lever, spacing inslot portion sliding connection has the fixed plate, even fixedly connected with third spring between fixed plate top and the spacing inslot portion top, the fixed plate bottom is provided with the locking plate, carry out fastening connection through fixing bolt between fixed plate and the locking plate, the even fixedly connected with non-slip raised in locking plate bottom.

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

the utility model discloses a setting of pulley cooperation second spring and slide bar, one-level damper has been constituted, the device is when falling to the ground, the pulley at first with the ground contact, extrude the second spring hard, reach first section shock attenuation purpose, setting through the first spring of slider cooperation, second grade damper has been constituted, take place deformation through first spring and second spring, the rocking that produces when having reduced the device descends, the stationarity when having increased the device and descending, the detent mechanism who sets up has been cooperated simultaneously, when the device carries out the shock attenuation of third section, can also improve the ground of the device through the retaining plate and grab ground ability, the shock attenuation buffer capacity when the device falls to the ground can further be improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;

fig. 3 is a partial structural schematic diagram of the present invention;

in the figure: 1. a body; 2. an airfoil; 3. a camera; 4. a connecting rod; 5. a slider; 6. a first spring; 7. a support bar; 8. mounting a plate; 9. a limiting plate; 10. a slide bar; 11. a second spring; 12. a pulley; 13. fixing the rod; 14. a stop mechanism; 141. a limiting groove; 142. a fixing plate; 143. a stopper plate; 144. fixing the bolt; 145. anti-skid projections; 146. and a third spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in fig. 1-3, the utility model provides an unmanned aerial vehicle falls to ground shock-absorbing structure, including

fuselage

1, 1 surface of fuselage evenly is provided with wing 2, camera 3 is installed to 1 front end of fuselage, 1 bottom both sides of fuselage equal fixedly connected with connecting rod 4, slider 5 has all been cup jointed to 4 surface both sides of connecting rod, slider 5 bottom is provided with bracing piece 7, be provided with mounting panel 8 between 7 bottoms of every bracing piece, 8 tops of mounting panel are provided with limiting plate 9, the limiting plate 9 bottom is provided with slide bar 10, slide bar 10 bottom fixedly connected with pulley 12, the equal fixedly connected with dead lever 13 in 4 both sides of connecting rod, be provided with detent mechanism 14 between two vertical adjacent dead lever 13 bottoms of level.

Further, be sliding connection between 5 inner walls of slider and the 4 surfaces of connecting rod, the first spring 6 of fixedly connected with between two horizontal adjacent sliders 5, connecting rod 4 passes first spring 6 central authorities, through the setting of the first spring 6 of 5 cooperation of slider, has constituted second grade damper, has reduced rocking that produces when the device descends.

The bracing piece 7 is provided with four, and for 2X 2 horizontal arrangement installation, and 5 bottoms of slider are articulated with 7 tops of bracing piece, and 7 bottoms of bracing piece are articulated with 8 tops of mounting panel, and what produce when the device descended has been reduced in the setting of this structure rocks, has increased the stationarity when the device descended.

Limiting plate 9 is provided with four, and distribute in the 8 tops of mounting panel for 2X 2 horizontal arrangement, be swing joint between limiting plate 9 and the mounting panel 8, be fixed connection between limiting plate 9 and the slide bar 10, the mounting panel 8 bottom is run through to slide bar 10 bottom,

slide bar

10 and 8 sliding connection of mounting panel, pulley 12 is located the 8 bottoms of mounting panel, fixedly connected with second spring 11 between 12 tops of pulley and the 8 bottoms of mounting panel, slide bar 10 passes second spring 11 central authorities, setting through 12 cooperation second springs 11 of pulley and slide bar 10, one-level damper has been constituted, the device is when falling to the ground, reach first section shock attenuation purpose.

The stopping mechanism 14 comprises a limiting groove 141, the limiting groove 141 is fixedly connected with the fixing rod 13, the fixing plate 142 is slidably connected in the limiting groove 141, a third spring 146 is uniformly and fixedly connected between the top end of the fixing plate 142 and the top end of the limiting groove 141, the bottom end of the fixing plate 142 is provided with a stopping plate 143, the fixing plate 142 and the stopping plate 143 are fixedly connected through a fixing bolt 144, and the bottom end of the stopping plate 143 is uniformly and fixedly connected with an anti-skid projection 145.

Specifically, when the device falls, the pulley 12 first contacts with the ground and slides on the ground, at this time, the pulley 12 is first stressed to move the sliding rod 10 upwards, and at the same time, the pulley 12 presses the second spring 11 upwards to make the limit plate 9 far away from the top end of the mounting plate 8, when the pulley 12 continues to move upwards, along with the contraction of the second spring 11, the distance between the top end of the pulley 12 and the bottom end of the mounting plate 8 is reduced to push the mounting plate 8 to move upwards, the mounting plate 8 pushes the support rod 7 outwards in the process of moving upwards to make the support rod 7 push the slider 5 to move on the surface of the connecting rod 4 to extend the first spring 6, so that the body 1 of the device is subjected to extremely small impact force to achieve the purpose of landing and damping, in the process of moving upwards the pulley 12, the distance between the stop plate 143 and the ground is gradually reduced until the anti-slip protrusions 145 at the bottom end of the stop plate 143 contact with the ground, so as to increase the friction force between the device and the ground, the device can stop sliding gradually, when the stop plate 143 contacts with the ground, the stop plate 143 is firstly stressed to push the fixed plate 142 to move upwards to press the third spring 146, so as to achieve the purpose of shock absorption; when the stop plate 143 is worn for a while, the user can replace the stop plate 143 with a new one by detaching the fixing bolt 144.

To sum up, the utility model discloses a pulley 12 cooperates second spring 11 and slide bar 10's setting, one-level damper has been constituted, the device is when falling to the ground, pulley 12 at first with the ground contact, extrude second spring 11 hard, reach first section shock attenuation purpose, through the setting of the first spring 6 of slider 5 cooperation, second grade damper has been constituted, take place deformation through first spring 6 and second spring 11, the rocking that produces when having reduced the device descends, the stationarity when having increased the device and descending, the detent 14 who sets up has been cooperated simultaneously, when the device carries out the shock attenuation of third section, can also improve the ground grabbing ability of the device through check plate 143, the shock attenuation buffer capacity when the device falls to the ground can further be improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An unmanned aerial vehicle landing shock absorption structure comprises a machine body (1) and is characterized in that wings (2) are uniformly arranged on the surface of the machine body (1), the front end of the machine body (1) is provided with a camera (3), both sides of the bottom end of the machine body (1) are fixedly connected with connecting rods (4), the two sides of the surface of the connecting rod (4) are respectively sleeved with a sliding block (5), the bottom ends of the sliding blocks (5) are provided with supporting rods (7), a mounting plate (8) is arranged between the bottom ends of the supporting rods (7), a limiting plate (9) is arranged at the top end of the mounting plate (8), a sliding rod (10) is arranged at the bottom end of the limiting plate (9), the bottom end of the sliding rod (10) is fixedly connected with a pulley (12), both sides of the connecting rod (4) are fixedly connected with fixing rods (13), and a stop mechanism (14) is arranged between the bottoms of the fixing rods (13) which are horizontally and longitudinally adjacent.

2. The unmanned aerial vehicle falls to ground shock-absorbing structure of claim 1, characterized in that be sliding connection between slider (5) inner wall and connecting rod (4) surface, horizontally transversely adjacent two first spring (6) of fixedly connected with between slider (5), connecting rod (4) pass first spring (6) central authorities.

3. The unmanned aerial vehicle landing damping structure of claim 1, wherein the number of the support rods (7) is four, and the support rods are arranged in a 2 x 2 horizontal arrangement, the bottom ends of the sliding blocks (5) are hinged to the top ends of the support rods (7), and the bottom ends of the support rods (7) are hinged to the top ends of the mounting plates (8).

4. The unmanned aerial vehicle falls to ground shock-absorbing structure of claim 1, characterized in that limiting plate (9) are provided with four, and 2 x 2 horizontal arrangement distributes in mounting panel (8) top, be swing joint between limiting plate (9) and mounting panel (8), be fixed connection between limiting plate (9) and slide bar (10), mounting panel (8) bottom is run through to slide bar (10) bottom, slide bar (10) and mounting panel (8) sliding connection, pulley (12) are located mounting panel (8) bottom, fixedly connected with second spring (11) between pulley (12) top and mounting panel (8) bottom, slide bar (10) pass second spring (11) central authorities.

5. The unmanned aerial vehicle falls to ground shock-absorbing structure of claim 1, characterized in that, detent mechanism (14) includes spacing groove (141), be fixed connection between spacing groove (141) and dead lever (13), there is fixed plate (142) inside sliding connection of spacing groove (141), even fixedly connected with third spring (146) between fixed plate (142) top and the inside top of spacing groove (141), fixed plate (142) bottom is provided with jam plate (143), carry out fastening connection through fixing bolt (144) between fixed plate (142) and the jam plate (143), even fixedly connected with non-skid protrusions (145) in jam plate (143) bottom.