CN217100455U

CN217100455U - Unmanned aerial vehicle

Info

Publication number: CN217100455U
Application number: CN202220796716.7U
Authority: CN
Inventors: 韩华; 洪峰; 何荣江
Original assignee: Zhejiang Shenlong Safety Equipment Co ltd
Current assignee: Zhejiang Shenlong Safety Equipment Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-02
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to an unmanned aerial vehicle, including the unmanned aerial vehicle body, be equipped with damping device, strengthen device and the device that rises to fall on the unmanned aerial vehicle body, damping device includes head rod, first link, air spring, second link, second connecting rod and third link, the both ends of head rod respectively with unmanned aerial vehicle body and first link fixed connection, the both ends of air spring are connected with first link and second link respectively, the both ends of second connecting rod are connected with second link and third link respectively, the utility model discloses in through setting up head rod, first link, second connecting rod and third link, can change the atress direction of air spring, make it change from the tension to the tension, can prolong air spring's life.

Description

Unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is an unmanned aerial vehicle.

Background

An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer.

Patent number CN202020525168.5 discloses an unmanned aerial vehicle flight collision avoidance device, some unmanned aerial vehicles for agriculture use need to install a spray barrel to spray plants, but the spray barrel is not easy to be installed on the unmanned aerial vehicle, and the spray barrel is heavy in weight, so that a support on the unmanned aerial vehicle is easy to bend or even break; in addition, the unmanned aerial vehicle is not provided with a damping device, although some unmanned aerial vehicles are provided with the damping device, the spring is always in a stretching state, and when the spring is further stretched in the stretching state, the spring is easy to lose efficacy; meanwhile, some unmanned aerial vehicles are provided with undercarriages below the unmanned aerial vehicles, but in the flying state, the undercarriages of the unmanned aerial vehicles cannot be retracted, so that the unmanned aerial vehicles have larger resistance in flying.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the problem that exists among the prior art, the utility model provides an unmanned aerial vehicle to solve the technical problem who mentions in the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein the unmanned aerial vehicle body is provided with a damping device, a reinforcing device and a lifting device, the damping device comprises a first connecting rod, a first connecting frame, an air spring, a second connecting frame, a second connecting rod and a third connecting frame, two ends of the first connecting rod are respectively fixedly connected with the unmanned aerial vehicle body and the first connecting frame, two ends of the air spring are respectively connected with the first connecting frame and the second connecting frame, two ends of the second connecting rod are respectively connected with the second connecting frame and the third connecting frame, the reinforcing device comprises a first mounting frame, a second mounting frame, a third mounting frame and a connecting rod mechanism, one end of the first mounting frame is fixedly connected with the third connecting frame, one end of the second mounting frame is rotatably connected with the first mounting frame, the other end of the second mounting frame is rotatably connected with the third mounting frame, the connecting rod mechanism is provided with four groups, two groups of the connecting rod mechanisms are connected with the first mounting frame and the second mounting frame, and the other two groups of link mechanisms are connected with the second mounting rack and the third mounting rack.

Preferably, landing gear includes mount, first connecting rod, second connecting rod, third connecting rod and pulley, mount and third link are connected, the one end and the mount of first connecting rod rotate to be connected, the both ends of second connecting rod rotate with the one end of first connecting rod and the middle part of third connecting rod respectively to be connected, the both ends of third connecting rod rotate with mount and pulley respectively to be connected, it is subaerial to fall soon when unmanned aerial vehicle, starter motor makes it drive first connecting rod, second connecting rod and third connecting rod rotate, make the pulley shift out from the mount, be convenient for its and ground contact, after unmanned aerial vehicle takes off, starter motor makes the pulley remove to in the mount, accomplish accomodating of pulley.

In further preferred, link mechanism includes dead lever, fourth connecting rod, fifth connecting rod, threaded rod and fixed cover, the one end and the dead lever of fourth connecting rod rotate to be connected, threaded rod and fifth connecting rod fixed connection, fixed cover and fourth connecting rod rotate to be connected, and the threaded sleeve is established outside the threaded rod, can improve the intensity of second mounting bracket and third mounting bracket, prevents that it from taking place to buckle or split.

In a further preferred mode, the fixing rods of the two sets of link mechanisms are fixedly connected with the first mounting frame, the fifth connecting rods of the two sets of link mechanisms are rotatably connected with the second mounting frame, the fixing rods of the other two sets of link mechanisms are fixedly connected with the second mounting frame, and the fifth connecting rods of the two sets of link mechanisms are rotatably connected with the third mounting frame, so that the strength of the second mounting frame and the strength of the third mounting frame can be improved, and the second mounting frame and the third mounting frame are prevented from being bent or broken.

In further preferred, be equipped with the through-hole on the third mounting bracket, be equipped with the spray barrel in the through-hole, the lower surface of spray barrel is equipped with the shower head, and the spray barrel is equipped with the limiting plate outward, and limiting plate and third mounting bracket pass through bolted connection, and the spray barrel and the unmanned aerial vehicle body of being convenient for are installed fixedly.

Preferably in further, the fixing frame is provided with an arc-shaped groove, the middle part of the first connecting rod is provided with a sliding block, and the sliding block is arranged in the arc-shaped groove, so that the first connecting rod can be conveniently limited in movement.

Preferably in further, the fixing frame is provided with a motor, and an output shaft of the motor is connected with the first connecting rod, so that the first connecting rod can be driven to rotate conveniently.

(III) advantageous effects

Compared with the prior art, the utility model provides an unmanned aerial vehicle possesses following beneficial effect:

1. the utility model can change the stress direction of the air spring by arranging the first connecting rod, the first connecting frame, the second connecting rod and the third connecting frame, so that the air spring is changed from tension to compression, and the service life of the air spring can be prolonged;

2. the utility model discloses in through setting up first mounting bracket, second mounting bracket and third mounting bracket, be convenient for spray barrel and unmanned aerial vehicle body to install fixedly, through setting up link mechanism, can improve the intensity of second mounting bracket and third mounting bracket, prevent that it from taking place to buckle or splitting;

3. the utility model discloses in through setting up landing gear, when unmanned aerial vehicle fell subaerial soon, starter motor made it drive first connecting rod, second connecting rod and third connecting rod and rotated, made the pulley shift out from the mount, be convenient for its and ground contact, after unmanned aerial vehicle takes off, starter motor made the pulley remove to the mount in, accomplished accomodating of pulley.

Drawings

Fig. 1 is a schematic view of an overall structure of an unmanned aerial vehicle according to the present invention;

FIG. 2 is a schematic structural view of a middle reinforcement device according to the present invention;

fig. 3 is a schematic structural view of the landing gear of the present invention;

fig. 4 is a schematic structural view of the present invention from another angle in fig. 3;

fig. 5 is a schematic structural diagram of a third mounting frame of the present invention.

In the figure: 1. an unmanned aerial vehicle body; 2. a first connecting rod; 3. a first connecting frame; 4. an air spring; 5. a second link frame; 6. a second connecting rod; 7. a third connecting frame; 8. a first mounting bracket; 9. a second mounting bracket; 10. a third mounting bracket; 11. a fixed mount; 12. a first link; 13. a second link; 14. a third link; 15. a pulley; 16. fixing the rod; 17. a fourth link; 18. a fifth link; 19. a threaded rod; 20. fixing a sleeve; 21. a through hole; 22. a spray barrel; 23. a shower head; 24. a limiting plate; 25. an arc-shaped slot; 26. a slider; 27. an electric 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. 1-5, an unmanned aerial vehicle comprises an unmanned aerial vehicle body 1, wherein the unmanned aerial vehicle body 1 is provided with a damping device, a reinforcing device and a landing gear, the damping device comprises a first connecting rod 2, a first connecting frame 3, an air spring 4, a second connecting frame 5, a second connecting rod 6 and a third connecting frame 7, two ends of the first connecting rod 2 are respectively and fixedly connected with the unmanned aerial vehicle body 1 and the first connecting frame 3, two ends of the air spring 4 are respectively and fixedly connected with the first connecting frame 3 and the second connecting frame 5, two ends of the second connecting rod 6 are respectively and fixedly connected with the second connecting frame 5 and the third connecting frame 7, the reinforcing device comprises a first mounting frame 8, a second mounting frame 9, a third mounting frame 10 and a link mechanism, one end of the first mounting frame 8 is fixedly connected with the third connecting frame 7, one end of the second mounting frame 9 is rotatably connected with the first mounting frame 8, the other end of the connecting rod mechanism is rotatably connected with a third mounting rack 10, four groups of connecting rod mechanisms are arranged, wherein two groups of connecting rod mechanisms are connected with the first mounting rack 8 and the second mounting rack 9, and the other two groups of connecting rod mechanisms are connected with the second mounting rack 9 and the third mounting rack 10. The third mounting frame 10 is provided with a through hole 21, a spraying barrel 22 is arranged in the through hole 21, a spraying head 23 is arranged on the lower surface of the spraying barrel 22, a limiting plate 24 is arranged outside the spraying barrel 22, and the limiting plate 24 is connected with the third mounting frame 10 through a bolt.

Referring to fig. 1, 3 and 4, the landing gear includes a fixed frame 11, a first link 12, a second link 13, a third link 14 and a pulley 15, the fixed frame 11 is connected to the third link 7, one end of the first link 12 is rotatably connected to the fixed frame 11, two ends of the second link 13 are rotatably connected to one end of the first link 12 and a middle portion of the third link 14, respectively, and two ends of the third link 14 are rotatably connected to the fixed frame 11 and the pulley 15, respectively. The fixing frame 11 is provided with an arc-shaped groove 25, the middle part of the first connecting rod 12 is provided with a sliding block 26, and the sliding block 26 is arranged in the arc-shaped groove 25. The fixed frame 11 is provided with a motor 27, and an output shaft of the motor 27 is connected with the first connecting rod 12. After unmanned aerial vehicle takes off, starter motor 27 makes it drive first connecting rod 12 and rotates, and then drives second connecting rod 13 and third connecting rod 14 and rotate, makes in pulley 15 accomodates mount 11, and first connecting rod 12 rotates the in-process, and slider 26 slides in arc wall 25 and carries on spacingly.

Referring to fig. 1 and 2, the link mechanism includes a fixing rod 16, a fourth link 17, a fifth link 18, a threaded rod 19 and a fixing sleeve 20, one end of the fourth link 17 is rotatably connected to the fixing rod 16, the threaded rod 19 is fixedly connected to the fifth link 18, the fixing sleeve 20 is rotatably connected to the fourth link 17, and the threaded sleeve is sleeved outside the threaded rod 19. The fixing rods 16 of the two groups of link mechanisms are fixedly connected with the first mounting frame 8, the fifth connecting rods 18 of the two groups of link mechanisms are rotatably connected with the second mounting frame 9, the fixing rods 16 of the other two groups of link mechanisms are fixedly connected with the second mounting frame 9, and the fifth connecting rods 18 of the two groups of link mechanisms are rotatably connected with the third mounting frame 10. In use, the fixing sleeve 20 is rotated to screw the threaded rod 19 to move the fifth link 18 away from or close to the fourth link 17, thereby adjusting the positions of the second and third mounting brackets 9 and 10.

Example 2:

in conclusion, when the spraying device is used, the fixing sleeve 20 is rotated, and is in threaded connection with the threaded rod 19, so that the fifth connecting rod 18 can be driven to be far away from or close to the fourth connecting rod 17, the positions of the second mounting frame 9 and the third mounting frame 10 are adjusted, after the positions of the second mounting frame 9 and the third mounting frame 10 are adjusted, the strength of the second mounting frame 9 and the strength of the third mounting frame 10 are improved through the connecting rod mechanism, the spraying barrel 22 is mounted on the third mounting frame 10, and spraying is performed through the spraying head 23.

Example 3:

in conclusion, when using, after unmanned aerial vehicle takes off, starter motor 27 makes it drive first connecting rod 12 and rotates, and then drives second connecting rod 13 and third connecting rod 14 and rotate, makes pulley 15 accomodate in mount 11, and first connecting rod 12 rotates the in-process, and slider 26 slides in arc wall 25 and carries on spacingly, and when unmanned aerial vehicle descended, starter motor 27 made it drive slider 26 and shifted out from mount 11.

In all the above-mentioned embodiments, the connection between two components may be selected from welding, bolt and nut fit connection, bolt or screw connection or other known connection methods according to actual situations, which are not repeated herein, and it is preferable to consider welding in the above description, although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An unmanned aerial vehicle, includes unmanned aerial vehicle body (1), its characterized in that: the unmanned aerial vehicle is characterized in that the unmanned aerial vehicle body (1) is provided with a damping device, a reinforcing device and a lifting device, the damping device comprises a first connecting rod (2), a first connecting frame (3), an air spring (4), a second connecting frame (5), a second connecting rod (6) and a third connecting frame (7), two ends of the first connecting rod (2) are fixedly connected with the unmanned aerial vehicle body (1) and the first connecting frame (3) respectively, two ends of the air spring (4) are connected with the first connecting frame (3) and the second connecting frame (5) respectively, two ends of the second connecting rod (6) are connected with the second connecting frame (5) and the third connecting frame (7) respectively, the reinforcing device comprises a first mounting frame (8), a second mounting frame (9), a third mounting frame (10) and a connecting rod mechanism, one end of the first mounting frame (8) is fixedly connected with the third connecting frame (7), one end of the second mounting frame (9) is rotatably connected with the first mounting frame (8), the other end of the second mounting frame is rotatably connected with the third mounting frame (10), the linkage mechanisms are provided with four groups, the linkage mechanisms are connected with the first mounting frame (8) and the second mounting frame (9), and the linkage mechanisms are connected with the second mounting frame (9) and the third mounting frame (10).

2. A drone according to claim 1, characterised in that: the landing gear comprises a fixing frame (11), a first connecting rod (12), a second connecting rod (13), a third connecting rod (14) and a pulley (15), the fixing frame (11) is connected with a third connecting frame (7), one end of the first connecting rod (12) is rotatably connected with the fixing frame (11), two ends of the second connecting rod (13) are rotatably connected with one end of the first connecting rod (12) and the middle of the third connecting rod (14) respectively, and two ends of the third connecting rod (14) are rotatably connected with the fixing frame (11) and the pulley (15) respectively.

3. A drone according to claim 1, characterised in that: the connecting rod mechanism comprises a fixing rod (16), a fourth connecting rod (17), a fifth connecting rod (18), a threaded rod (19) and a fixing sleeve (20), one end of the fourth connecting rod (17) is rotatably connected with the fixing rod (16), the threaded rod (19) is fixedly connected with the fifth connecting rod (18), the fixing sleeve (20) is rotatably connected with the fourth connecting rod (17), and the threaded sleeve is arranged outside the threaded rod (19).

4. A drone according to claim 3, characterised in that: the fixing rods (16) of the two groups of the link mechanisms are fixedly connected with the first mounting rack (8), the fifth connecting rods (18) of the two groups of the link mechanisms are rotatably connected with the second mounting rack (9), the fixing rods (16) of the other two groups of the link mechanisms are fixedly connected with the second mounting rack (9), and the fifth connecting rods (18) of the two groups of the link mechanisms are rotatably connected with the third mounting rack (10).

5. A drone according to claim 1, characterised in that: be equipped with through-hole (21) on third mounting bracket (10), be equipped with in through-hole (21) and spray bucket (22), the lower surface that sprays bucket (22) is equipped with shower head (23), and spray bucket (22) are equipped with limiting plate (24) outward, and limiting plate (24) and third mounting bracket (10) pass through bolted connection.

6. A drone according to claim 2, characterised in that: the fixing frame (11) is provided with an arc-shaped groove (25), the middle part of the first connecting rod (12) is provided with a sliding block (26), and the sliding block (26) is arranged in the arc-shaped groove (25).

7. A drone according to claim 2, characterised in that: the fixing frame (11) is provided with a motor (27), and an output shaft of the motor (27) is connected with the first connecting rod (12).