CN216734744U

CN216734744U - Large-scale many rotor unmanned aerial vehicle's buffer stop

Info

Publication number: CN216734744U
Application number: CN202220032042.3U
Authority: CN
Inventors: 王冉; 李新同; 孙冰寒; 侯永强; 李方用
Original assignee: Clp Huahong Technology Co ltd
Current assignee: Clp Huahong Technology Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-06-14
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses an anti-collision device of a large multi-rotor unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, wherein the bottom of the unmanned aerial vehicle body is fixedly connected with a mounting plate, the lower end of the mounting plate is fixedly connected with a plurality of fixing columns, and the lower ends of the fixing columns are hinged with a buffer mechanism. According to the utility model, the air pressure inside the piston cylinder is sufficient through inflation in the inner sleeve of the inflation tube, when the unmanned aerial vehicle descends, the supporting rod is in contact with the ground to push the piston plate to move upwards to compress air, the air density is increased, the contraction speed of the supporting rod is slowed, a buffering and damping effect is achieved, the prevention is carried out through the elasticity of the spring, the problem of poor damping effect caused by insufficient air pressure is avoided, meanwhile, the angle between the supporting rod and the unmanned aerial vehicle body can be adjusted through the matched use of the piston cylinder, the sliding rod, the rotor wing protection cover, the sliding block and the adjusting mechanism, different landing terrains can be adapted, the overturning is avoided during the descent, and the rotor wing protection cover can provide anti-collision protection for the rotor wing.

Description

Large-scale many rotor unmanned aerial vehicle's buffer stop

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an anti-collision device of a large-scale multi-rotor unmanned aerial vehicle.

Background

Many rotor unmanned aerial vehicle mainly supports by the frame that falls of unmanned aerial vehicle bottom when descending, and the impact force of falling the frame when descending excessively can cause certain influence to many rotor unmanned aerial vehicle's life, and when descending, can have the landing unstability sometimes and lead to unmanned aerial vehicle to take place to empty the striking when landing, leads to the problem of unmanned aerial vehicle damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-collision device of a large multi-rotor unmanned aerial vehicle, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a large-scale many rotor unmanned aerial vehicle's buffer stop, includes the unmanned aerial vehicle body, the bottom fixedly connected with mounting panel of unmanned aerial vehicle body, a plurality of fixed columns of lower extreme fixedly connected with of mounting panel, the lower extreme of fixed column articulates there is buffer gear, and is a plurality of the rotor protection casing is all installed to the side of fixed column, the lower extreme of rotor protection casing is provided with the slide bar, be provided with the slider on the slide bar, be provided with adjustment mechanism on the slider.

Preferably, the buffer mechanism comprises a piston cylinder, a piston plate and a support rod, the piston cylinder is hinged to the lower end of the fixed column, the piston plate is slidably mounted in the piston cylinder, the support rod is fixedly mounted on the piston plate, and the support rod is slidably connected with the piston cylinder.

Preferably, the bottom of the piston cylinder is fixedly connected with a spring, the upper end of the piston cylinder is fixedly connected with an inflation tube, and the tail end of the inflation tube is in threaded connection with a sealing cover.

Preferably, adjustment mechanism includes carousel, two threaded rods, two threaded sleeves, two threaded rod fixed mounting is on the carousel, two threaded sleeve overlaps and establishes on two corresponding threaded rods, one threaded sleeve is articulated with the slider, one threaded sleeve is articulated with the piston barrel.

Preferably, the tail end of the rotor wing protective cover is fixed with the fixing column through a bolt.

Preferably, the rotor wing protection casing adopts the elasticity plastic material to make, the rotor wing protection casing is network structure.

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

1. the damping device has the advantages that the buffering mechanism, the spring, the inflation tube and the sealing cover are used in a matched mode, the inner sleeve of the inflation tube is inflated, the air pressure in the piston cylinder is sufficient, when the piston falls, the supporting rod is in contact with the ground, the piston plate is pushed to move upwards, air is compressed, the air density is increased, the contraction speed of the supporting rod is slowed, a buffering and damping effect is achieved, prevention is achieved through the elastic force of the spring, and the problem that the vibration damping effect is poor due to insufficient air pressure is avoided;

2. the angle between the support rod and the unmanned aerial vehicle body can be adjusted by matching the piston cylinder, the slide rod, the rotor wing protective cover, the slide block and the adjusting mechanism, so that the unmanned aerial vehicle can adapt to different landing terrains, avoid overturning during landing and provide anti-collision protection for the rotor wing through the rotor wing protective cover.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged view of the structure at B in fig. 1.

In the figure: 1. an unmanned aerial vehicle body; 2. mounting a plate; 3. fixing the column; 4. a buffer mechanism; 41. a piston cylinder; 42. a piston plate; 43. a support bar; 5. a rotor wing shield; 6. a slide bar; 7. a slider; 8. an adjustment mechanism; 81. a turntable; 82. a threaded rod; 83. a threaded sleeve; 9. a spring; 10. an inflation tube; 11. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the anti-collision device of the large-scale multi-rotor unmanned aerial vehicle comprises an unmanned aerial vehicle body 1, wherein a mounting plate 2 is fixedly connected to the bottom of the unmanned aerial vehicle body 1, a plurality of fixing columns 3 are fixedly connected to the lower end of the mounting plate 2, a buffer mechanism 4 is hinged to the lower ends of the fixing columns 3, rotor wing protective covers 5 are respectively mounted on the side faces of the fixing columns 3, a sliding rod 6 is arranged at the lower end of each rotor wing protective cover 5, a sliding block 7 is arranged on each sliding rod 6, and an adjusting mechanism 8 is arranged on each sliding block 7;

the buffer mechanism 4 comprises a piston cylinder 41, a piston plate 42 and a support rod 43, the piston cylinder 41 is hinged at the lower end of the fixed column 3, the piston plate 42 is slidably mounted in the piston cylinder 41, the support rod 43 is fixedly mounted on the piston plate 42, the support rod 43 is slidably connected with the piston cylinder 41, the bottom of the piston cylinder 41 is fixedly connected with a spring 9, the upper end of the piston cylinder 41 is fixedly connected with an inflation tube 10, the tail end of the inflation tube 10 is in threaded connection with a sealing cover 11, the adjusting mechanism 8 comprises a turntable 81, two threaded rods 82 and two threaded sleeves 83, the two threaded rods 82 are fixedly mounted on the turntable 81, the two threaded sleeves 83 are in threaded sleeve connection with the corresponding two threaded rods 82, one threaded sleeve 83 is hinged with the sliding block 7, one threaded sleeve 83 is hinged with the piston cylinder 41, the tail end of the rotor wing shield 5 is fixed with the fixed column 3 through a bolt, the rotor wing shield 5 is made of an elastic plastic material, the rotor wing shield 5 is of a net structure.

The working principle is as follows: when in use, the mounting plate 2 is fixed on the unmanned aerial vehicle body 1, before flying, the supporting angle between the piston cylinder 41 and the unmanned aerial vehicle body 1 can be adjusted according to the terrain requirement of a flying landing point, overturning during landing is avoided, collision avoidance can be provided for the rotor through the rotor wing protective cover 5, the rotary disc 81 is rotated, the threaded rod 82 is rotated, the threaded sleeve 83 is driven to move relative to the rotary disc 81, the piston cylinder 41 and the supporting rod 43 are driven to rotate, the angle between the unmanned aerial vehicle body 1 and the piston cylinder 41 is changed, the supporting rod 43 is extruded before flying, the piston plate 42 is enabled to compress air, whether the air pressure of the piston cylinder 41 is sufficient is checked, the inner sleeve of the piston cylinder 41 is inflated through the inflation tube 10, the air pressure inside the piston cylinder 41 is ensured to be sufficient, when landing, the supporting rod 43 is in contact with the ground, the piston plate 42 is pushed to move upwards, the air is compressed, the air density is increased, the shrinking speed of the supporting rod 43 is slowed down, play a buffering absorbing effect, prevent through spring 9's elasticity, avoid atmospheric pressure not enough, lead to the damping effect not good, for traditional device of spring 9 damping buffering, weight is lighter, has convenient to use, excellent in use effect's advantage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a large-scale many rotor unmanned aerial vehicle's buffer stop, includes unmanned aerial vehicle body (1), its characterized in that: the utility model discloses an unmanned aerial vehicle, including unmanned aerial vehicle body (1), the bottom fixedly connected with mounting panel (2), a plurality of fixed columns (3) of lower extreme fixedly connected with of mounting panel (2), the lower extreme of fixed column (3) articulates there are buffer gear (4), and is a plurality of rotor protection casing (5) are all installed to the side of fixed column (3), the lower extreme of rotor protection casing (5) is provided with slide bar (6), be provided with slider (7) on slide bar (6), be provided with adjustment mechanism (8) on slider (7).

2. The anti-collision device of the large-scale multi-rotor unmanned aerial vehicle according to claim 1, wherein: buffer gear (4) include piston cylinder (41), piston plate (42), bracing piece (43), piston cylinder (41) articulates the lower extreme at fixed column (3), piston plate (42) slidable mounting is in piston cylinder (41), bracing piece (43) fixed mounting is on piston plate (42), bracing piece (43) and piston cylinder (41) sliding connection.

3. The anti-collision device of the large-scale multi-rotor unmanned aerial vehicle according to claim 2, wherein: the bottom of the piston cylinder (41) is fixedly connected with a spring (9), the upper end of the piston cylinder (41) is fixedly connected with an inflation tube (10), and the tail end of the inflation tube (10) is in threaded connection with a sealing cover (11).

4. The anti-collision device of a large-scale multi-rotor unmanned aerial vehicle according to claim 3, characterized in that: adjustment mechanism (8) are including carousel (81), two threaded rods (82), two threaded sleeve (83), two threaded rod (82) fixed mounting is on carousel (81), two threaded sleeve (83) thread bush is established on two corresponding threaded rods (82), one threaded sleeve (83) are articulated with slider (7), one threaded sleeve (83) are articulated with piston cylinder (41).

5. The anti-collision device of the large-scale multi-rotor unmanned aerial vehicle according to claim 1, wherein: the tail end of the rotor wing protective cover (5) is fixed with the fixing column (3) through a bolt.

6. The anti-collision device of the large multi-rotor unmanned aerial vehicle according to claim 1, wherein: rotor protection casing (5) adopt elastic plastic material to make, rotor protection casing (5) are network structure.