CN212605785U - Tail wheel device of rear three-point aerial survey fixed-wing unmanned aerial vehicle - Google Patents

Abstract

The utility model discloses a back three-point type aerial survey fixed wing unmanned aerial vehicle tailwheel device, concretely relates to unmanned aerial vehicle auxiliary device technical field, including mount pad, sleeve and casing, the all fixedly connected with sleeve in both sides of mount pad bottom, and telescopic inside all is provided with shock-absorbing structure, shock-absorbing structure's bottom all is provided with the casing, and all swing joint has the gyro wheel between the inside both sides of casing, the inside top of casing all is provided with clean structure, the intermediate position department fixedly connected with adjustment mechanism of mount pad bottom. The utility model discloses an all be provided with shock-absorbing structure in telescopic inside, shock-absorbing structure comprises spout, bracing piece, limiting plate and buffer spring, and when unmanned aerial vehicle was carrying out the operation of going up and down, telescopic inside limiting plate just slided in the inside of spout under buffer spring's oppression, then acted on the gyro wheel of bracing piece connecting shell body bottom, alright alleviate the vibrations that unmanned aerial vehicle produced when elevating movement, made it more tend to steadily.

Description

Tail wheel device of rear three-point aerial survey fixed-wing unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned aerial vehicle auxiliary device technical field specifically is a back three-point type aerial survey fixed wing unmanned aerial vehicle tailwheel device.

Background

Present construction everywhere is all few with the development and has not been surveyed, measured the topography in advance, this operation relies on unmanned aerial vehicle to carry out the photography of taking photo by plane mostly, and draws into the image and for all needs, and the back three-point undercarriage that unmanned aerial vehicle adopted now still exists and adds many problems, and the present urgent need for a good novel tailwheel device of stability in order to solve these scheduling problems.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional rear three-point aerial survey fixed wing unmanned aerial vehicle tail wheel device has poor anti-seismic performance, is difficult to adjust automatically according to the lifting height, and has certain limitation;

(2) the traditional tail wheel device of the rear three-point aerial survey fixed wing unmanned aerial vehicle is easily stained with dirt and dust on a runway, and the automatic cleaning of the roller is difficult to realize, so that the stable operation of the tail wheel device is influenced;

(3) the conventional tail wheel device of the rear three-point aerial survey fixed-wing unmanned aerial vehicle is often manually fixed and needs to unlock a locking mechanism, which is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back three-point aerial survey fixed wing unmanned aerial vehicle tailwheel device to the problem of the direction of the gyro wheel of being not convenient for is proposed in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the tail wheel device of the rear three-point aerial survey fixed-wing unmanned aerial vehicle comprises a mounting seat, sleeves and a shell, wherein the sleeves are fixedly connected to two sides of the bottom end of the mounting seat, shock absorption structures are arranged inside the sleeves, the bottom end of each shock absorption structure is provided with the shell, idler wheels are movably connected between two sides inside the shell, the top end inside the shell is provided with a cleaning structure, and an adjusting mechanism is fixedly connected to the middle position of the bottom end of the mounting seat;

adjustment mechanism includes micro motor, micro motor fixed connection is in the intermediate position department of mount pad bottom, micro motor output fixedly connected with guide bar, and the bottom fixedly connected with connecting rod of guide bar, all fixedly connected with dead lever between one side of guide bar and connecting rod.

Preferably, shock-absorbing structure comprises spout, bracing piece, limiting plate and buffer spring, the spout all sets up the inside between the sleeve both sides, the inside all fixedly connected with buffer spring in top of spout, and the all fixedly connected with limiting plate in buffer spring's bottom, the all fixedly connected with bracing piece in bottom of limiting plate.

Preferably, the limiting plates are all embedded in the sliding grooves, and the limiting plates and the sliding grooves are all located on the same horizontal plane.

Preferably, the diameters of the buffer springs are smaller than the inner diameter of the sleeve, and the buffer springs and the sleeve are arranged in a concentric circle.

Preferably, clean structure comprises activity groove, brush section of thick bamboo, fixed axle, axle sleeve and expanding spring, the both sides on the inside top of casing are all fixed connection in activity groove, the all fixedly connected with expanding spring in top of activity inslot portion, and the all fixedly connected with axle sleeve in expanding spring's bottom, all swing joint has the fixed axle between the inside one side of axle sleeve, and the all fixedly connected with brush section of thick bamboo of intermediate position department of fixed axle.

Preferably, the extension springs are all embedded in the movable groove, and the movable groove and the extension springs are symmetrically distributed about a vertical middle line of the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the rear three-point aerial survey fixed wing unmanned aerial vehicle tail wheel device not only realizes the shock resistance enhancement of the device and the cleaning of the roller, but also realizes the automatic adjustment of the roller direction;

(1) by arranging the damping structures inside the sleeve, wherein each damping structure consists of the sliding chute, the supporting rod, the limiting plate and the buffer spring, when the unmanned aerial vehicle is lifted, the limiting plate inside the sleeve slides inside the sliding chute under the compression of the buffer spring and then acts on the roller at the bottom end of the supporting rod connecting shell, so that the vibration generated by the unmanned aerial vehicle during lifting can be relieved, and the unmanned aerial vehicle can be more stable;

(2) the cleaning structure is arranged at the top end inside the shell and consists of a movable groove, a brush barrel, a fixed shaft, a shaft sleeve and a telescopic spring, the fixed shaft slowly approaches to the rotating roller under the elastic force provided by the telescopic spring inside the movable groove, so that the roller can be cleaned by the brush barrel movably connected with the outer side of the fixed shaft, and the roller is prevented from being polluted by excessive mud cake dirt to influence the operation of the device;

(3) through the intermediate position department fixedly connected with adjustment mechanism in the mount pad bottom, adjustment mechanism includes micro motor, and when unmanned aerial vehicle turned, the micro motor of mount pad bottom alright according to the height unsmooth and spontaneous direction of adjusting the guide bar of topography to drive the direction that the connecting rod changed the gyro wheel simultaneously, and the existence of dead lever has strengthened adjustment mechanism's stability, so that unmanned aerial vehicle's slip goes up and down.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the shock-absorbing structure of the present invention;

fig. 4 is a front view of the cleaning structure of the present invention.

In the figure: 1. a mounting seat; 2. a sleeve; 3. a shock-absorbing structure; 301. a chute; 302. a support bar; 303. a limiting plate; 304. a buffer spring; 4. cleaning the structure; 401. a movable groove; 402. a brush cylinder; 403. a fixed shaft; 404. a shaft sleeve; 405. a tension spring; 5. a roller; 6. a connecting rod; 7. fixing the rod; 8. a housing; 9. a guide bar; 10. a micro motor.

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.

Example 1: referring to fig. 1-4, a rear three-point type aerial survey fixed-wing unmanned aerial vehicle tailwheel device comprises a mounting seat 1, a sleeve 2 and a shell 8, wherein the sleeve 2 is fixedly connected to two sides of the bottom end of the mounting seat 1, a damping structure 3 is arranged inside the sleeve 2, the shell 8 is arranged at the bottom end of the damping structure 3, a roller 5 is movably connected between two sides inside the shell 8, a cleaning structure 4 is arranged at the top end inside the shell 8, and an adjusting mechanism is fixedly connected to the middle position of the bottom end of the mounting seat 1;

referring to fig. 1-4, the rear three-point type aerial survey fixed-wing unmanned aerial vehicle tail wheel device further comprises an adjusting mechanism, the adjusting mechanism comprises a micro motor 10, the model of the micro motor 10 can be PM4310, the micro motor 10 is fixedly connected to the middle position of the bottom end of the mounting seat 1, the output end of the micro motor 10 is fixedly connected with a guide rod 9, the bottom end of the guide rod 9 is fixedly connected with a connecting rod 6, and a fixing rod 7 is fixedly connected between the guide rod 9 and one side of the connecting rod 6;

specifically, as shown in fig. 1 and 2, when unmanned aerial vehicle turned, the direction of guide bar 9 was adjusted voluntarily to the micro motor 10 of 1 bottom of mount pad alright according to the height unevenness of topography to drive connecting rod 6 and change the direction of gyro wheel 5 simultaneously, and the existence of dead lever 7 has strengthened adjustment mechanism's stability, so that unmanned aerial vehicle's slip goes up and down.

Example 2: the damping structure 3 is composed of a sliding chute 301, a supporting rod 302, a limiting plate 303 and a buffer spring 304, the sliding chute 301 is arranged inside the sleeve 2 between the two sides, the top end inside the sliding chute 301 is fixedly connected with the buffer spring 304, the bottom end of the buffer spring 304 is fixedly connected with the limiting plate 303, and the bottom end of the limiting plate 303 is fixedly connected with the supporting rod 302;

the limiting plates 303 are embedded in the sliding grooves 301, and the limiting plates 303 and the sliding grooves 301 are located on the same horizontal plane;

the diameters of the buffer springs 304 are smaller than the inner diameter of the sleeve 2, and the buffer springs 304 and the sleeve 2 are arranged in concentric circles;

specifically, as shown in fig. 1 and fig. 3, when unmanned aerial vehicle was carrying out the lift operation, limiting plate 303 inside sleeve 2 just slided in the inside of spout 301 under buffer spring 304's oppression, and then act on the gyro wheel 5 that bracing piece 302 connects the 8 bottoms of casing, alright alleviate the vibrations that unmanned aerial vehicle produced when elevating movement, make it more tend to steadily.

Example 3: the cleaning structure 4 consists of a movable groove 401, a brush barrel 402, a fixed shaft 403, a shaft sleeve 404 and a telescopic spring 405, wherein the movable groove 401 is fixedly connected to two sides of the top end in the shell 8, the top end in the movable groove 401 is fixedly connected with the telescopic spring 405, the bottom end of the telescopic spring 405 is fixedly connected with the shaft sleeve 404, the fixed shaft 403 is movably connected between one sides in the shaft sleeve 404, and the brush barrel 402 is fixedly connected to the middle position of the fixed shaft 403;

the extension springs 405 are embedded in the movable slot 401, and the movable slot 401 and the extension springs 405 are symmetrically distributed about the vertical middle line of the housing 8;

specifically, as shown in fig. 1 and 4, the fixed shaft 403 slowly approaches the rotating roller 5 under the elastic force provided by the extension spring 405 inside the movable slot 401, so that the roller 5 can be cleaned by the brush drum 402 movably connected to the outside of the fixed shaft 403, thereby preventing the roller 5 from being contaminated by too much mud and dirt to affect the operation of the device.

The working principle is as follows: the utility model discloses when using, at first, when unmanned aerial vehicle was going on the operation of going up and down, the limiting plate 303 of 2 inside sleeves just slided in the inside of spout 301 under buffer spring 304's oppression, then acted on the gyro wheel 5 that 8 bottoms of casing were connected to bracing piece 302, alright alleviate the vibrations that unmanned aerial vehicle produced when elevating movement, made it more tend to steadily.

Then, the fixed shaft 403 slowly approaches the rotating roller 5 under the elastic force provided by the extension spring 405 inside the movable groove 401, so that the roller 5 can be cleaned by the brush drum 402 movably connected to the outer side of the fixed shaft 403, thereby preventing the roller 5 from being contaminated by too much mud and dirt to affect the operation of the device.

Finally, when unmanned aerial vehicle turned, the micro motor 10 of 1 bottom of mount pad alright according to the height unsmooth and spontaneous direction of adjusting the guide bar 9 of topography to drive connecting rod 6 and change the direction of gyro wheel 5 simultaneously, and the existence of dead lever 7 has strengthened adjustment mechanism's stability, so that unmanned aerial vehicle's slip goes up and down.

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 (6)

1. The utility model provides a back three-point type aerial survey fixed wing unmanned aerial vehicle tailwheel device, includes mount pad (1), sleeve (2) and casing (8), its characterized in that: the two sides of the bottom end of the mounting seat (1) are fixedly connected with sleeves (2), the interiors of the sleeves (2) are provided with damping structures (3), the bottom ends of the damping structures (3) are provided with shells (8), idler wheels (5) are movably connected between the two sides of the interior of each shell (8), the top end of the interior of each shell (8) is provided with a cleaning structure (4), and an adjusting mechanism is fixedly connected to the middle position of the bottom end of the mounting seat (1);

adjustment mechanism includes micro motor (10), micro motor (10) fixed connection is in the intermediate position department of mount pad (1) bottom, micro motor (10) output end fixedly connected with guide bar (9), and the bottom fixedly connected with connecting rod (6) of guide bar (9), all fixedly connected with dead lever (7) between one side of guide bar (9) and connecting rod (6).

2. The tailwheel apparatus of a rear three-point aerial fixed-wing drone of claim 1, wherein: shock-absorbing structure (3) comprise spout (301), bracing piece (302), limiting plate (303) and buffer spring (304), spout (301) all set up the inside between sleeve (2) both sides, the equal fixedly connected with buffer spring (304) in top of spout (301) inside, and the equal fixedly connected with limiting plate (303) in bottom of buffer spring (304), the equal fixedly connected with bracing piece (302) in bottom of limiting plate (303).

3. The tailwheel apparatus of a rear three-point aerial fixed-wing drone of claim 2, wherein: the limiting plates (303) are embedded in the sliding grooves (301), and the limiting plates (303) and the sliding grooves (301) are located on the same horizontal plane.

4. The tailwheel apparatus of a rear three-point aerial fixed-wing drone of claim 2, wherein: the diameter of the buffer spring (304) is smaller than the inner diameter of the sleeve (2), and the buffer spring (304) and the sleeve (2) are arranged in a concentric circle.

5. The tailwheel apparatus of a rear three-point aerial fixed-wing drone of claim 1, wherein: clean structure (4) comprise activity groove (401), brush section of thick bamboo (402), fixed axle (403), axle sleeve (404) and expanding spring (405), activity groove (401) both sides on the inside top of casing (8) of all fixed connection, activity groove (401) inside top all fixedly connected with expanding spring (405), and expanding spring (405) bottom all fixedly connected with axle sleeve (404), all swing joint has fixed axle (403) between the inside one side of axle sleeve (404), and the intermediate position department of fixed axle (403) all fixedly connected with brush section of thick bamboo (402).

6. The tailwheel apparatus of a rear three-point aerial fixed-wing drone of claim 5, wherein: the extension springs (405) are embedded in the movable groove (401), and the movable groove (401) and the extension springs (405) are symmetrically distributed about a vertical middle line of the shell (8).

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