CN220298774U - Unmanned aerial vehicle flight buffer stop - Google Patents

Abstract

The utility model relates to the technical field of unmanned aerial vehicle anticollision, in particular to an unmanned aerial vehicle flight anticollision device, which can simultaneously adjust left and right anticollision plates, avoid unbalanced flight caused by counterweight change, and reduce vibration during landing to avoid vibration damage to internal equipment of the unmanned aerial vehicle; comprises an unmanned aerial vehicle body; still include upper bracket, lower carriage, a plurality of connecting bolt, fixed stop gear, adjustment mechanism, buffer gear and damper, upper bracket and lower carriage cartridge respectively are at the upper and lower both ends of unmanned aerial vehicle body, connect fixedly through a plurality of connecting bolt between upper bracket and the lower carriage, fixed stop gear is all installed at both ends about upper bracket and the lower carriage, fix the unmanned aerial vehicle body, adjustment mechanism installs on the top of upper bracket, buffer gear installs on adjustment mechanism, damper installs the bottom at the lower carriage.

Description

Unmanned aerial vehicle flight buffer stop

Technical Field

The utility model relates to the technical field of unmanned aerial vehicle anticollision, in particular to an unmanned aerial vehicle flight anticollision device.

Background

Unmanned aerial vehicle mainly controls through the remote control, can be used to make a video recording in the middle of living, also can be used to the exploration in farmland, along with unmanned aerial vehicle's application is gradually extensive, unmanned aerial vehicle often can take place in flight and collide or meet the condition that birds in flight appear dropping, and lead to damaging seriously for unmanned aerial vehicle flight cost now generally increases, and unmanned aerial vehicle cost is higher, damages once, and the cost of maintenance change is great, uses very inconvenient. Through retrieving, the unmanned aerial vehicle flight buffer stop that prior art publication number CN109353517A proposed, which comprises a bod, the outer wall array welding of organism has four installation poles that the level set up, the flabellum is installed to one side that the organism was kept away from at the top of installation pole, one side welding that the top of installation pole is close to the organism has the bracing piece that sets up along vertical direction, the top welding of bracing piece has first sleeve pipe, two first movable rods have been cup jointed to first sheathed tube inside activity, first movable rod has been cup jointed the second sleeve pipe in the activity of first sheathed tube one end of keeping away from, two sleeves have all been welded at first sleeve pipe and second sheathed tube top. But its four buffer stop are individual setting, and one of them collision is retracted the back extremely easily causes the counter weight to change, and then leads to the flight unbalanced, and unmanned aerial vehicle's supporting leg is thinner and support buffering limited simultaneously, often appears askew condition, causes the damage to the flight blade still in the rotation to cause certain vibrations to damage to unmanned aerial vehicle internal equipment.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the unmanned aerial vehicle flight anti-collision device which can simultaneously adjust left and right anti-collision plates, avoid unbalanced flight caused by counterweight change, and reduce vibration during landing to avoid vibration damage to the internal equipment of the unmanned aerial vehicle.

The utility model relates to an unmanned aerial vehicle flight anti-collision device, which comprises an unmanned aerial vehicle body; the device comprises an unmanned aerial vehicle body, and is characterized by further comprising an upper bracket, a lower bracket, a plurality of connecting bolts, a fixed limiting mechanism, an adjusting mechanism, a buffer mechanism and a damping mechanism, wherein the upper bracket and the lower bracket are respectively clamped at the upper end and the lower end of the unmanned aerial vehicle body, the upper bracket and the lower bracket are fixedly connected through the connecting bolts, the fixed limiting mechanism is arranged at the left end and the right end of the upper bracket and the lower bracket respectively, the unmanned aerial vehicle body is fixed, the adjusting mechanism is arranged at the top end of the upper bracket, the buffer mechanism is arranged on the adjusting mechanism, and the damping mechanism is arranged at the bottom end of the lower bracket; the upper bracket and the lower carriage are clamped at the upper end and the lower end of the unmanned aerial vehicle body through a plurality of connecting bolts, the unmanned aerial vehicle body is fixed through the fixed limiting mechanism, the unmanned aerial vehicle body is located at the middle position, weight unbalance is avoided, the unmanned aerial vehicle bodies with different sizes can be fixed, the distance between the buffer mechanisms can be adjusted through the adjusting mechanism, the unmanned aerial vehicle bodies with different sizes can be conveniently and simultaneously adjusted, the balance weight change is avoided to cause flight unbalance, the flight blades are protected through the buffer mechanisms, and vibration damage to unmanned aerial vehicle internal equipment is avoided through vibration reduction of the shock absorbing mechanism during landing.

Preferably, the fixed limiting mechanism comprises four screw rods and four limiting plates, the screw rods are respectively screwed on the side walls of the left end and the right end of the upper bracket and the lower bracket, the limiting plates are respectively rotatably arranged at the opposite ends of the four screw rods, and a knob is arranged at the other end of the screw rod; after upper bracket and lower carriage fixed connection are on the unmanned aerial vehicle body, drive the lead screw through the knob and rotate, the lead screw that the left and right sides both ends is close to each other and drives the limiting plate and be close to each other with the left and right sides both ends contact of unmanned aerial vehicle body, fix spacingly to the unmanned aerial vehicle body, make the unmanned aerial vehicle body be located the middle part of upper bracket and lower carriage, avoid weight unevenness, stability when improving the use.

Preferably, the adjusting mechanism comprises an adjusting box, a rotating rod, a rotating disc, a driving bevel gear, two adjusting rods, two fixing frames, two driven bevel gears and two adjusting sleeve rods, wherein the adjusting box is fixedly arranged at the top end of the upper bracket, the rotating rod is rotatably arranged at the inner bottom end of the adjusting box, the top end of the rotating rod penetrates through the top end of the adjusting box and is fixedly connected with the rotating disc, the driving bevel gears are connected to the outer wall of the rotating rod, the two fixing frames are symmetrically arranged on the inner bottom end fixing frames of the adjusting box with respect to the rotating rod, the adjusting rods are rotatably arranged at opposite ends of the adjusting rods, the driven bevel gears are meshed with the driving bevel gears, external threads are arranged on the outer walls of the two adjusting rods, the two adjusting sleeve rods are respectively screwed on the outer walls of the adjusting rods, and the two adjusting sleeve rods are respectively slidably arranged on the side walls of the left end and the right end of the adjusting box; the rotating turntable drives the rotating rod to rotate, the rotating rod rotates to drive the driving bevel gear to rotate, the driving bevel gear rotates to drive the driven bevel gear to rotate, the driven bevel gear drives the adjusting rod to rotate to adjust the extending length of the adjusting sleeve rod on the adjusting rod, so that the extending length of the adjusting sleeve rods on the adjusting box can be adjusted, the adjusting sleeve rod can be suitable for unmanned aerial vehicle bodies with different diameters, the practicability is improved, the adjusting sleeve rods at two ends can be adjusted simultaneously, and the balance weight change can be avoided to cause flight unbalance.

Preferably, the buffer mechanism comprises two connecting plates, a plurality of damping rods, two anti-collision plates and a plurality of buffer springs, wherein the middle parts of the two connecting plates are respectively and fixedly arranged at one ends of the two adjusting sleeve rods, which are far away from each other, the front ends and the rear ends of the two connecting plates are arc-shaped, flying blades are protected, the plurality of damping rods are uniformly arranged on the outer walls of the connecting plates at intervals, the anti-collision plates are fixedly connected with the other ends of the damping rods, the plurality of buffer springs are respectively sleeved on the outer walls of the damping rods, one ends of the buffer springs are connected with the connecting plates, and the other ends of the buffer springs are connected with the anti-collision plates; when collision occurs, the anti-collision device is contacted with the anti-collision plate, is buffered through the damping rod and the buffer spring, protects the flying blade through the connecting plate, avoids damage to the unmanned aerial vehicle body, improves safety, and reduces maintenance cost.

Preferably, the damping mechanism comprises four sliding bars, four groups of sliding blocks, four groups of damping springs, four groups of push rods, four push plates, four supporting rods and four friction plates, four rectangular grooves are respectively formed in four corners of the bottom end of the lower support, the four sliding bars are respectively fixedly arranged in the rectangular grooves, the two sliding blocks are symmetrically and slidably arranged on the outer walls of the sliding bars, limiting plates are symmetrically arranged at the front end and the rear end of the outer walls of the sliding bars and limit the sliding blocks, the damping springs are symmetrically sleeved at the front end and the rear end of the outer walls of the sliding bars, the push rods are rotatably arranged at the bottom ends of the sliding blocks, the supporting rods are fixedly arranged at the bottom ends of the push plates, and the friction plates are fixedly connected to the bottom ends of the supporting rods; when landing, the friction plate is contacted with the ground, the unmanned aerial vehicle body continuously moves downwards, the supporting rod pushes the push plate upwards, the push plate pushes the push rod to enable the sliding block to slide on the sliding rod to compress the damping spring, longitudinal kinetic energy is converted into transverse kinetic energy, buffering is carried out, and vibration damage to the unmanned aerial vehicle internal equipment is avoided.

Preferably, the rotary table also comprises a rotary handle eccentrically and movably arranged at the top end of the rotary table, and a plurality of through holes are uniformly formed in the connecting plate; the rotary table is convenient to drive through the rotary handle to rotate, the convenience during adjustment is improved, the movable setting can be convenient to store, the weight can be reduced through the through hole formed in the connecting plate, and the cruising ability is improved.

Compared with the prior art, the utility model has the beneficial effects that: the upper bracket and the lower carriage are clamped at the upper end and the lower end of the unmanned aerial vehicle body through a plurality of connecting bolts, the unmanned aerial vehicle body is fixed through the fixed limiting mechanism, the unmanned aerial vehicle body is located at the middle position, weight unbalance is avoided, the unmanned aerial vehicle bodies with different sizes can be fixed, the distance between the buffer mechanisms can be adjusted through the adjusting mechanism, the unmanned aerial vehicle bodies with different sizes can be conveniently and simultaneously adjusted, the balance weight change is avoided to cause flight unbalance, the flight blades are protected through the buffer mechanisms, and vibration damage to unmanned aerial vehicle internal equipment is avoided through vibration reduction of the shock absorbing mechanism during landing.

Drawings

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

FIG. 2 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 3 is a schematic view of the lower perspective of the present utility model;

FIG. 4 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 5 is a schematic top view of the present utility model;

the reference numerals in the drawings: 1. an unmanned aerial vehicle body; 2. an upper bracket; 3. a lower bracket; 4. a connecting bolt; 5. a screw rod; 6. a limiting plate; 7. an adjusting box; 8. a rotating rod; 9. a turntable; 10. a drive bevel gear; 11. an adjusting rod; 12. a fixing frame; 13. a driven bevel gear; 14. adjusting the loop bar; 15. a connecting plate; 16. a damping rod; 17. an anti-collision plate; 18. a buffer spring; 19. a slide bar; 20. a slide block; 21. a damping spring; 22. a push rod; 23. a push plate; 24. a support rod; 25. friction plate.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1, fig. 2, fig. 4 and fig. 5, the upper bracket 2 and the lower bracket 3 are respectively clamped at the upper end and the lower end of the unmanned aerial vehicle body 1, the upper bracket 2 and the lower bracket 3 are fixedly connected through a plurality of connecting bolts 4, screw rods 5 are respectively screwed on the side walls of the left end and the right end of the upper bracket 2 and the lower bracket 3, a limiting plate 6 is rotatably arranged at the opposite ends of the four screw rods 5, a knob is arranged at the other end of the screw rods 5, an adjusting box 7 is fixedly arranged at the top end of the upper bracket 2, a rotating rod 8 is rotatably arranged at the inner bottom end of the adjusting box 7, the top end of the rotating rod 8 passes through a rotating disc 9 fixedly connected with the top end of the adjusting box 7, a driving bevel gear 10 is connected to the outer wall of the rotating rod 8, two fixing frames 12 are symmetrically arranged on the fixing frames 12 at the inner bottom end of the adjusting box 7 about the rotating rod 8, a driven bevel gear 13 is fixedly arranged at the opposite ends of the adjusting rod 11, the two driven bevel gears 13 are meshed with the drive bevel gear 10, external threads are arranged on the outer walls of the two adjusting rods 11, the two adjusting sleeve rods 14 are respectively screwed on the outer walls of the adjusting rods 11, the two adjusting sleeve rods 14 are respectively slidably mounted on the side walls of the left end and the right end of the adjusting box 7, the middle parts of the two connecting plates 15 are respectively fixedly mounted at the far ends of the two adjusting sleeve rods 14, the front end and the rear end of the two connecting plates 15 are respectively provided with an arc shape for protecting flying blades, a plurality of damping rods 16 are uniformly mounted on the outer walls of the connecting plates 15 at intervals, the other ends of the damping rods 16 are fixedly connected with anti-collision plates 17, a plurality of buffer springs 18 are respectively sleeved on the outer walls of the damping rods 16, one ends of the buffer springs 18 are connected with the connecting plates 15, the other ends of the buffer springs 18 are connected with the anti-collision plates 17, the top ends of the rotating discs 9 are eccentrically and movably mounted with rotating handles, a plurality of through holes are uniformly formed in the connecting plate 15;

after upper bracket 2 and 3 fixed connection of lower carriage on unmanned aerial vehicle body 1, drive lead screw 5 through the knob and rotate, the lead screw 5 that is close to each other at both ends drives limiting plate 6 and is close to each other with the left and right sides both ends contact of unmanned aerial vehicle body 1, fix spacing to unmanned aerial vehicle body 1, make unmanned aerial vehicle body 1 be located the middle part of upper bracket 2 and lower carriage 3, avoid weight unevenness, stability when improving the use, rotate carousel 9 and drive bull stick 8 and rotate, the bull stick 8 rotates and drives initiative bevel gear 10 and rotate, initiative bevel gear 10 rotates and drives driven bevel gear 13 and rotate, thereby driven bevel gear 13 drives regulation pole 11 and rotates and adjust the length of stretching out of loop bar 14 on adjusting pole 11, thereby can adjust the length of stretching out of two adjusting loop bars 14 at adjusting box 7, can be applicable to unmanned aerial vehicle body 1 of different diameters, improve the practicality, can adjust the adjusting loop bar 14 at both ends simultaneously, can avoid the counter weight change to lead to the unbalance of flight, when bumping, first with crashproof plate 17 contact, buffer through damping rod 16 and buffer spring 18, and protect flying blade through connecting plate 15, cause the damage to the aircraft body 1, improve the security bevel gear 10, can reduce the maintenance cost, can be convenient for set up through the rotation of rotating the carousel 15, the convenience is improved, and the life of the rotary disk is convenient for set up through the rotation, and can be convenient for take up through the rotary disk.

As shown in fig. 1, 3 and 4, four rectangular grooves are respectively provided at four corners of the bottom end of the lower bracket 3, four slide bars 19 are respectively and fixedly mounted in the rectangular grooves, two slide blocks 20 are symmetrically and slidably mounted on the outer walls of the slide bars 19, limiting plates are symmetrically arranged at the front and rear ends of the outer walls of the slide bars 19 to limit the slide blocks 20, shock absorbing springs 21 are symmetrically sleeved at the front and rear ends of the outer walls of the slide bars 19, a push rod 22 is rotatably mounted at the bottom end of the slide blocks 20, the bottom end of the push rod 22 is rotatably mounted at the top end of the push plate 23, a support bar 24 is fixedly mounted at the bottom end of the push plate 23, and a friction plate 25 is fixedly connected at the bottom end of the support bar 24;

when landing, the friction plate 25 is contacted with the ground, the unmanned aerial vehicle body 1 continues to move downwards, the supporting rod 24 pushes the push plate 23 upwards, the push plate 23 pushes the push rod 22 to enable the sliding block 20 to slide on the sliding rod 19 to compress the damping spring 21, longitudinal kinetic energy is converted into transverse kinetic energy, buffering is carried out, and vibration damage to internal equipment of the unmanned aerial vehicle is avoided.

As shown in fig. 1 to 5, in the unmanned aerial vehicle flight anti-collision device, after an upper bracket 2 and a lower bracket 3 are fixedly connected to an unmanned aerial vehicle body 1 in operation, a knob drives a screw rod 5 to rotate, the screw rods 5 at the left end and the right end are mutually close to drive a limiting plate 6 to be mutually close to be in contact with the left end and the right end of the unmanned aerial vehicle body 1, the unmanned aerial vehicle body 1 is fixedly limited, the unmanned aerial vehicle body 1 is positioned in the middle of the upper bracket 2 and the lower bracket 3, a rotating handle drives a rotating disc 9 to rotate, the rotating disc 9 drives a rotating rod 8 to rotate, the rotating rod 8 drives a driving bevel gear 10 to rotate, the driving bevel gear 10 rotates to drive a driven bevel gear 13 to rotate, the driven bevel gear 13 drives an adjusting rod 11 to rotate so as to adjust the extension length of an adjusting sleeve rod 14 on the adjusting rod 11, so that the extension length of the two adjusting sleeve rods 14 on the adjusting box 7 can be adjusted, during collision, the two adjusting sleeve rods 14 are firstly contacted with an anti-collision plate 17, a damping rod 16 and a buffer spring 18 are used for buffering, flying blades 25 are firstly contacted with the ground when the unmanned aerial vehicle body 1, the unmanned aerial vehicle body 1 is in a landing, the ground, the unmanned aerial vehicle body 1 is driven by the ground, the push rod is pushed by the push rod 23, the push rod 23 is pushed by the sliding blade 22, the sliding rod 23 is pushed by the sliding rod 22, the sliding rod 20 and the sliding 20 is compressed by the sliding motion 21, and the sliding motion energy is 20 and the sliding motion is converted into the kinetic energy.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (6)

1. An unmanned aerial vehicle flight collision avoidance device comprises an unmanned aerial vehicle body (1); the device is characterized by further comprising an upper support (2), a lower support (3), a plurality of connecting bolts (4), a fixed limiting mechanism, an adjusting mechanism, a buffer mechanism and a damping mechanism, wherein the upper support (2) and the lower support (3) are respectively clamped at the upper end and the lower end of the unmanned aerial vehicle body (1), the upper support (2) and the lower support (3) are connected and fixed through the connecting bolts (4), the left end and the right end of the upper support (2) and the left end and the right end of the lower support (3) are respectively provided with the fixed limiting mechanism, the unmanned aerial vehicle body (1) is fixed, the adjusting mechanism is arranged at the top end of the upper support (2), the buffer mechanism is arranged on the adjusting mechanism, and the damping mechanism is arranged at the bottom end of the lower support (3).

2. The unmanned aerial vehicle flight collision avoidance device according to claim 1, wherein the fixed limiting mechanism comprises four screw rods (5) and four limiting plates (6), the screw rods (5) are respectively screwed on the side walls of the left end and the right end of the upper bracket (2) and the lower bracket (3), the limiting plates (6) are respectively rotatably mounted at the opposite ends of the four screw rods (5), and a knob is arranged at the other end of the screw rods (5).

3. The unmanned aerial vehicle flight collision avoidance device according to claim 1, wherein the adjusting mechanism comprises an adjusting box (7), a rotating rod (8), a rotary disc (9), a driving bevel gear (10), two adjusting rods (11), two fixing frames (12), two driven bevel gears (13) and two adjusting sleeve rods (14), the adjusting box (7) is fixedly arranged at the top end of the upper bracket (2), the rotating rod (8) is rotatably arranged at the inner bottom end of the adjusting box (7), the top end of the rotating rod (8) penetrates through the top end of the adjusting box (7) and is fixedly connected with the rotary disc (9), the driving bevel gears (10) are connected to the outer wall of the rotating rod (8), the two fixing frames (12) are symmetrically arranged on the inner bottom end fixing frames (12) of the adjusting box (7) with respect to the rotating rod (8), the driven bevel gears (13) are fixedly arranged at the opposite ends of the adjusting rods (11), the two driven bevel gears (13) are meshed with the driving bevel gears (10), external threads are respectively arranged on the outer walls of the two adjusting rods (11), the two adjusting sleeve rods (14) are respectively screwed on the outer walls of the adjusting rods (11), and the two adjusting sleeve rods (14) are respectively arranged at the left side walls and the two adjusting sleeve rods (14) respectively.

4. The unmanned aerial vehicle flight buffer stop of claim 3, wherein the buffer gear includes two connecting plates (15), a plurality of damping bars (16), two buffer plates (17) and a plurality of buffer springs (18), the middle part of two connecting plates (15) is fixed mounting respectively in the one end that two regulation loop bars (14) kept away from mutually, both ends all set up to the arc around two connecting plates (15), protect flying blade, evenly install a plurality of damping bars (16) on the outer wall of connecting plate (15), the other end fixedly connected with buffer plate (17) of damping bar (16), a plurality of buffer springs (18) suit are on the outer wall of damping bar (16) respectively, the one end and the connecting plate (15) of buffer spring (18) are connected, the other end and the buffer plate (17) of buffer spring (18) are connected.

5. The unmanned aerial vehicle flight collision avoidance device according to claim 1, wherein the damping mechanism comprises four sliding rods (19), four groups of sliding blocks (20), four groups of damping springs (21), four groups of push rods (22), four push plates (23), four supporting rods (24) and four friction plates (25), four rectangular grooves are respectively formed in four corners of the bottom end of the lower support (3), the four sliding rods (19) are fixedly arranged in the rectangular grooves respectively, the two sliding blocks (20) are symmetrically and slidably arranged on the outer wall of the sliding rods (19), limiting plates are symmetrically arranged at the front end and the rear end of the outer wall of the sliding rods (19), limiting the sliding blocks (20), the damping springs (21) are symmetrically sleeved at the front end and the rear end of the outer wall of the sliding rods (19), the push rods (22) are rotatably arranged at the bottom ends of the sliding blocks (20), the supporting rods (24) are fixedly arranged at the top ends of the push plates (23), and the bottom ends of the supporting rods (24) are fixedly connected with the friction plates (25).

6. The unmanned aerial vehicle flight anti-collision device according to claim 4, further comprising a rotating handle eccentrically and movably arranged at the top end of the rotating disc (9), wherein a plurality of through holes are uniformly formed in the connecting plate (15).