CN212243803U - Unmanned aerial vehicle is with frame that rises and falls - Google Patents

Abstract

The utility model relates to an unmanned air vehicle technique field just discloses an unmanned aerial vehicle is with frame that rises and falls, including the unmanned aerial vehicle body, the lower fixed surface of unmanned aerial vehicle body is connected with four first bracing pieces, and the equal fixedly connected with arc support of one side lateral wall of every first bracing piece, every the equal fixedly connected with second bracing piece of lower extreme of arc support, every the equal fixedly connected with circle cover of lower extreme of second bracing piece. This kind of undercarriage for unmanned aerial vehicle, through setting up first bracing piece, second bracing piece cooperation arc support, can do benefit to the impact force absorption when descending unmanned aerial vehicle, and keep the rigidity support capacity of undercarriage, through setting up circle cover cooperation slide bar, can utilize the gas in the circle cover as air spring absorption and buffering impact force, and through setting up the relief valve, partial air of discharge when the air pressure is too high in the circle cover, thereby reduce the resilience range of air spring, make unmanned aerial vehicle can not produce great vibration after descending.

Description

Unmanned aerial vehicle is with frame that rises and falls

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is an unmanned aerial vehicle is with frame that plays.

Background

The bottom of an unmanned aerial vehicle body is usually provided with an undercarriage for supporting, the undercarriage of the unmanned aerial vehicle mainly has three forms, namely an integral support, a sledge type support and a strut type support, and the integral support is suitable for a light unmanned aerial vehicle; the static load of the sledge type bracket is heavy; the column type support has good structural rigidity and large load.

In prior art, the unmanned aerial vehicle undercarriage all adopts rigid structure to support, though possess better bearing capacity and bearing capacity, nevertheless lack the shock attenuation performance, not only receive great impact force when unmanned aerial vehicle descends and lead to undercarriage self to damage easily, still harm the precision equipment on the unmanned aerial vehicle easily, for this reason, we propose an unmanned aerial vehicle and solve above-mentioned problem with the landing frame.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an unmanned aerial vehicle is with frame that falls possesses simple structure lightly, keeps structural rigidity supporting capability when buffer capacity is good, and the problem that the background art provided has been solved to advantages such as the resilience force is more weak.

(II) technical scheme

For realizing above-mentioned simple structure light, keep structural rigidity supporting capability when buffer capacity is good, the purpose that the resilience force is more weak, the utility model provides a following technical scheme: the utility model provides an unmanned aerial vehicle is with frame that falls, includes the unmanned aerial vehicle body, the lower fixed surface of unmanned aerial vehicle body is connected with four first bracing pieces, and the equal fixedly connected with arc support of one side lateral wall of every first bracing piece, every the equal fixedly connected with second bracing piece of lower extreme of arc support, every the equal fixedly connected with circle cover of lower extreme of second bracing piece, and the equal fixedly connected with lantern ring of lower extreme of every circle cover, every equal sliding connection has the slide bar in the circle cover, and the lower extreme fixed connection of two adjacent slide bars has the backup pad that the level set up, every the spout that the symmetry set up is all seted up to the inner wall of circle cover, and the slider that the lateral wall fixedly connected with and the spout of slide bar match, one side lateral wall intercommunication of circle cover has the check valve, and one side lateral wall intercommunication of circle cover.

Preferably, the first supporting rod and the second supporting rod are coaxially arranged, and the arc-shaped support is made of spring steel.

Preferably, the lower end of the round sleeve is fixedly connected with a compression spring, and the lower end of the compression spring is fixedly connected with a cushion pad.

Preferably, the upper end of the sliding rod is fixedly sleeved with a rubber sleeve, and the rubber sleeve is in interference fit with the inner wall of the round sleeve.

Preferably, one end of the supporting plate is fixedly connected with an arc-shaped plate, and the lower surface of the supporting plate is fixedly connected with a wear-resistant block.

Preferably, the two arc-shaped supports are fixedly connected with LED lamps on the side walls far away from each other, and waterproof covers wrap the side walls of the LED lamps.

(III) advantageous effects

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

1. this kind of undercarriage for unmanned aerial vehicle, through setting up first bracing piece, second bracing piece cooperation arc support, can do benefit to the impact force absorption when descending unmanned aerial vehicle, and keep the rigidity support capacity of undercarriage, through setting up circle cover cooperation slide bar, can utilize the gas in the circle cover as air spring absorption and buffering impact force, and through setting up the relief valve, partial air of discharge when the air pressure is too high in the circle cover, thereby reduce the resilience range of air spring, make unmanned aerial vehicle can not produce great vibration after descending.

2. This kind of unmanned aerial vehicle is with frame that rises, can improve the gas tightness of slide bar and circle cover through setting up the rubber sleeve, guarantee that circle cover cooperation slide bar can realize the effect of air spring, through setting up the arc, can make the backup pad more steady when landing, can improve the life of backup pad through setting up wear-resisting piece, can descend at night at supplementary unmanned aerial vehicle through setting up the LED lamp.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. an unmanned aerial vehicle body; 2. a first support bar; 3. an arc-shaped bracket; 4. a second support bar; 5. a round sleeve; 6. a collar; 7. a slide bar; 8. a support plate; 9. a chute; 10. a slider; 11. a one-way valve; 12. a pressure relief valve; 13. a compression spring; 14. a cushion pad; 15. an arc-shaped plate; 16. an LED lamp; 17. a rubber sleeve.

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. 1-3, a landing frame for an unmanned aerial vehicle comprises an unmanned aerial vehicle body 1, four first support rods 2 are fixedly connected to the lower surface of the unmanned aerial vehicle body 1, an arc-shaped support 3 is fixedly connected to one side wall of each first support rod 2, LED lamps 16 are fixedly connected to the side walls, far away from each other, of the two arc-shaped supports 3, a waterproof cover is wrapped on the side wall of each LED lamp 16, when the unmanned aerial vehicle is used at night, the unmanned aerial vehicle body 1 is assisted to descend to provide illumination for the unmanned aerial vehicle body 1, the LED lamps 16 can be protected by the waterproof cover, when the unmanned aerial vehicle is damaged in rainy weather, the LED lamps 16 are prevented from being affected by damp and damaged, second support rods 4 are fixedly connected to the lower end of each arc-shaped support 3, the first support rods 2 and the second support rods 4 are coaxially arranged, the arc-shaped supports 3 are made of spring steel, and the first support rods 2 and the second support rods 4 which are coaxially arranged can deform, the two support rods are abutted to provide rigid support for the unmanned aerial vehicle body 1, the arc-shaped support 3 made of spring steel can assist the landing gear to absorb impact force, the lower end of each second support rod 4 is fixedly connected with a round sleeve 5, the lower end of the round sleeve 5 is fixedly connected with a compression spring 13, the lower end of the compression spring 13 is fixedly connected with a cushion pad 14, the compression spring 13 and the cushion pad 14 are arranged, the lower end of each round sleeve 5 can play a role of assisting buffering under the conditions of high landing speed and high impact force of the unmanned aerial vehicle body 1 and can be used as a standby safety facility, the lower end of each round sleeve 5 is fixedly connected with a lantern ring 6, the sliding block 10 can be clamped by arranging the lantern ring 6, the sliding rod 7 is prevented from being separated from the round sleeve 5 when the unmanned aerial vehicle body 1 flies, the sliding rod 7 is slidably connected in each round sleeve 5, the rubber sleeve 17 is fixedly sleeved at the upper end of the sliding, the rubber sleeve 17 is arranged, the air tightness of the sliding rods 7 and the round sleeve 5 can be improved, the sliding rods 7 can form an air spring effect by matching with the round sleeve 5, the lower ends of two adjacent sliding rods 7 are fixedly connected with the horizontally arranged supporting plate 8, one end of the supporting plate 8 is fixedly connected with the arc-shaped plate 15, the lower surface of the supporting plate 8 is fixedly connected with the wear-resistant block, by arranging the arc-shaped plate 15, the supporting plate 8 can have certain anti-interference capability and guiding capability when the unmanned aerial vehicle body 1 descends, particularly when the supporting plate 8 descends in an inclined mode, the arc-shaped plate 15 can also prevent the unmanned aerial vehicle body 1 from overturning or toppling over due to obstacles on the ground when the supporting plate 8 slides on the ground, by arranging the wear-resistant block, the service life of the supporting plate 8 can be prolonged, the symmetrically arranged sliding grooves 9 are formed in the inner wall of each round sleeve 5, and, one side wall of the round sleeve 5 is communicated with a one-way valve 11, and one side wall of the round sleeve 5 is communicated with a pressure release valve 12.

The working principle is as follows: when the unmanned aerial vehicle body 1 descends, the support plate 8 is firstly contacted with the ground, then the unmanned aerial vehicle body 1 continues to move downwards under the action of inertia, at the moment, the slide rod 7 and the round sleeve 5 move relatively, air in the round sleeve 5 is compressed and buffers the impact force when the unmanned aerial vehicle body 1 descends, and when the air pressure in the round sleeve 5 is too high, the air is discharged outwards through the pressure release valve 12, so that the slide rod 7 can continuously slide in the round sleeve 5, the stroke of the slide rod 7 is improved, on the other hand, after the impact force is completely buffered, the rebound amplitude of an air spring formed by the slide rod 7 and the round sleeve 5 is reduced, additional jolt caused by rebound of the air spring is avoided, meanwhile, the arc-shaped support 3 is stressed to deform, so that the first support rod 2 is close to the second support rod 4, and the self elasticity of the arc-shaped support 3 is utilized to absorb the impact force when the, and it is very fast at unmanned aerial vehicle body 1 whereabouts, when the impact force is great, the lower surface of blotter 14 offsets with backup pad 8, compression spring 13 atress takes place deformation, thereby the impact force when supplementary gas spring shares unmanned aerial vehicle body 1 to descend, further improve the security performance of undercarriage, along with the impact force is cushioned and absorbed, unmanned aerial vehicle body 1 then steady descending subaerial, and when unmanned aerial vehicle body 1 takes off, slider 10 slides down along spout 9, the upper end inner wall and the rubber sleeve 17 distance of circle cover 5 increase, outside air is by 11 entering circle cover 5 of check valve, thereby make and pack the air once more in the air spring that slide bar 7 and circle cover 5 constitute, when guaranteeing unmanned aerial vehicle body 1 to descend once more, unmanned aerial vehicle can realize buffering absorbing function with the frame that falls.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A landing frame for an unmanned aerial vehicle comprises an unmanned aerial vehicle body (1);

the method is characterized in that:

the lower surface of the unmanned aerial vehicle body (1) is fixedly connected with four first supporting rods (2), one side wall of each first supporting rod (2) is fixedly connected with an arc-shaped support (3), the lower end of each arc-shaped support (3) is fixedly connected with a second supporting rod (4), the lower end of each second supporting rod (4) is fixedly connected with a round sleeve (5), the lower end of each round sleeve (5) is fixedly connected with a lantern ring (6), a sliding rod (7) is slidably connected in each round sleeve (5), the lower ends of two adjacent sliding rods (7) are fixedly connected with a horizontally arranged supporting plate (8), the inner wall of each round sleeve (5) is provided with symmetrically arranged sliding grooves (9), the side wall of each sliding rod (7) is fixedly connected with a sliding block (10) matched with the sliding grooves (9), one side wall of each round sleeve (5) is communicated with a one-way valve (11), and the side wall of one side of the round sleeve (5) is communicated with a pressure release valve (12).

2. The landing frame for unmanned aerial vehicle of claim 1, wherein: the first supporting rod (2) and the second supporting rod (4) are coaxially arranged, and the arc-shaped support (3) is made of spring steel.

3. The landing frame for unmanned aerial vehicle of claim 1, wherein: the lower end of the round sleeve (5) is fixedly connected with a compression spring (13), and the lower end of the compression spring (13) is fixedly connected with a cushion pad (14).

4. The landing frame for unmanned aerial vehicle of claim 1, wherein: the upper end of the sliding rod (7) is fixedly sleeved with a rubber sleeve (17), and the rubber sleeve (17) is in interference fit with the inner wall of the round sleeve (5).

5. The landing frame for unmanned aerial vehicle of claim 1, wherein: the equal fixedly connected with arc (15) of one end of backup pad (8), and the lower fixed surface of backup pad (8) is connected with wear-resisting piece.

6. The landing frame for unmanned aerial vehicle of claim 1, wherein: the side walls of the two arc-shaped supports (3) far away from each other are fixedly connected with LED lamps (16), and the side walls of the LED lamps (16) are wrapped by waterproof covers.

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