CN210455192U

CN210455192U - Bionic undercarriage of unmanned aerial vehicle

Info

Publication number: CN210455192U
Application number: CN201921268502.7U
Authority: CN
Inventors: 卢典; 张辉
Original assignee: Shandong Xinzhu Intelligent Technology Co Ltd
Current assignee: Shandong Xinzhu Intelligent Technology Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-05
Anticipated expiration: 2029-08-06

Abstract

The utility model provides a bionical undercarriage of unmanned aerial vehicle relates to the unmanned aerial vehicle field. This bionic undercarriage of unmanned aerial vehicle, including the mounting panel, the bottom surface of mounting panel articulates there are big arm and first connecting rod, first connecting rod is located the left side of big arm, the one end that the mounting panel was kept away from to big arm is provided with the forearm, the upper end of forearm is kept away from the mounting panel with first connecting rod and is obtained one end articulated, the change hole that link up around the forearm was seted up, it is located the below of forearm and first connecting rod to change the hole, it has the spring to peg graft in the inside in change hole, the front and the back of spring are first gasket of fixedly connected with and second gasket respectively, the second gasket is located the place ahead in change hole. This bionic undercarriage of unmanned aerial vehicle through setting up mounting panel, buffer board, big arm, forearm and spring, can reach the effect that the inside mechanism of protection unmanned aerial vehicle was not broken, and the unmanned aerial vehicle who has solved does not have the buffer capacity and can cause the damage of machine and the problem that still can produce very big resistance when flying when descending rapidly.

Description

Bionic undercarriage of unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is a bionical undercarriage of unmanned aerial vehicle.

Background

In recent years, the unmanned aerial vehicle technology has the development of flying speed, and present unmanned aerial vehicle includes fixed wing unmanned aerial vehicle and rotor type unmanned aerial vehicle, compares with fixed wing unmanned aerial vehicle, and rotor type unmanned aerial vehicle has simple structure, control is nimble, VTOL, can hover and can fly backward advantages such as, all has extensive application in aviation, police service and agriculture.

However, the unmanned aerial vehicle in the prior art is basically of an integrated structure, so that although the main structure is stable, the lift force generated by wings of the unmanned aerial vehicle can be consumed, the load weight of the unmanned aerial vehicle is greatly reduced, and the unmanned aerial vehicle of the integrated structure is free of buffering, can cause damage to a machine and can generate great resistance in flight.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a bionical undercarriage of unmanned aerial vehicle, the unmanned aerial vehicle of having solved prior art all is the integral type structure basically, has reduced unmanned aerial vehicle's load weight and does not have the problem that the buffer still can produce very big resistance when not having the damage that the machine might cause and flight when descending rapidly.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an unmanned aerial vehicle bionic undercarriage comprises a mounting plate, wherein a large arm and a first connecting rod are hinged to the bottom surface of the mounting plate, the first connecting rod is located on the left side of the large arm, a small arm is arranged at one end, far away from the mounting plate, of the large arm, the upper end of the small arm is hinged to one end, far away from the mounting plate, of the first connecting rod, a rotating hole which is through from front to back is formed in the small arm, the rotating hole is located below the small arm and the first connecting rod, a spring is inserted in the rotating hole, the front surface and the back surface of the spring are respectively and fixedly connected with a first gasket and a second gasket, the second gasket is located in front of the rotating hole, a rotating shaft is inserted in the spring, the rear end of the rotating shaft penetrates through the second gasket and then is in threaded connection with the large arm, a fixing block is in threaded connection with the front surface of the rotating shaft, the second gasket is fixedly connected with the small arm through the fixing block, a second connecting rod is arranged, the lower extreme of second connecting rod and forearm is provided with the buffer board, and second connecting rod and forearm all are articulated with the buffer board, and the last fixed surface of mounting panel installs electric capstan, is provided with the steel wire between the upper surface of electric capstan and big arm, the both ends of steel wire respectively with big arm and electric capstan fixed connection.

Preferably, the bottom surface of mounting panel is provided with the control arm, and the upper end of control arm is articulated with the bottom surface of mounting panel, and the one end that the mounting panel was kept away from to the control arm is connected with the left end rotation of big arm.

Preferably, the left side surface of the mounting plate is provided with a guide wheel, the guide wheel is rotatably connected with the mounting plate through a wheel carrier, and one end of the steel wire, which is positioned between the large arm and the electric winch, is wound on the circumferential surface of the guide wheel.

Preferably, the small arm is arranged in front of the large arm, and the included angle between the small arm and the large arm is seventy degrees.

Preferably, the diameter of the inner hole of the first gasket is larger than that of the inner hole of the second gasket, and the circle centers of the first gasket, the spring, the second gasket, the rotating shaft and the fixed block are all located on the same straight line.

Preferably, the buffer plate is horizontally arranged, and the buffer plate is arranged in parallel with the mounting plate.

(III) advantageous effects

The utility model provides a bionical undercarriage of unmanned aerial vehicle. The method has the following beneficial effects:

1. this bionic undercarriage of unmanned aerial vehicle, through setting up the mounting panel, the buffer board, the forearm, forearm and spring, electric capstan starts to draw in the steel wire in rotatory, the forearm begins to be close to the mounting panel this moment, first link promotion forearm is close to the forearm, the spring begins to twist reverse, can draw in this moment and make the buffer board upwards lift in big arm and forearm, when unmanned aerial vehicle descends fast, electric capstan starts to loosen the steel wire, the spring does not receive the force this moment and begins to twist reverse the original state of recovery, when buffer board and ground contact, the forearm begins the atress and takes place rotatoryly with the forearm, the spring begins to receive the force this moment and twists reverse, first connecting rod and second connecting rod homoenergetic play the effect of buffering, can reach the effect that the protection unmanned aerial vehicle inner mechanism was not broken, the unmanned aerial vehicle who has solved all is the structure basically, unmanned aerial vehicle's load weight has been reduced and still can produce when there is not the cushioning when can cause the damage of machine and flight when falling A problem of great resistance.

2. This bionic undercarriage of unmanned aerial vehicle, through setting up the control arm, the angle between control arm and the mounting panel can be adjusted, can change the contained angle between big arm and the control arm, and further regulation buffer strength has reached the effect that can quick adjustment buffer strength, has solved the inconvenient problem that the distance between regulation buffer board and the mounting panel leads to the buffering probably to lose efficacy sometimes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the large arm of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

fig. 4 is a structural view of the joint of the big arm and the small arm of the present invention.

The device comprises a mounting plate 1, a large arm 2, a first connecting rod 3, a small arm 4, a rotating hole 5, a spring 6, a first gasket 7, a second gasket 8, a rotating shaft 9, a fixing block 10, a second connecting rod 11, a buffer plate 12, an electric winch 13, a steel wire 14, a control arm 15 and a guide wheel 16.

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.

The embodiment of the utility model provides a bionic landing gear of unmanned aerial vehicle, as shown in fig. 1-4, including mounting panel 1, mounting panel 1 is installed on unmanned aerial vehicle, the bottom surface of mounting panel 1 is provided with control arm 15, the upper end of control arm 15 is articulated with the bottom surface of mounting panel 1, the one end of control arm 15 far away from mounting panel 1 is connected with the left end of big arm 2 in a rotating manner, the angle between control arm 15 and mounting panel 1 can be adjusted, the included angle between big arm 2 and control arm 15 can be changed, further buffer strength is adjusted, the bottom surface of mounting panel 1 is articulated with big arm 2 and first connecting rod 3, first connecting rod 3 is located on the left side of big arm 2, the one end of big arm 2 far away from mounting panel 1 is provided with forearm 4, forearm 4 is arranged in front of big arm 2, the included angle between forearm 4 and big arm 2 is seventy degrees, when drawing in big arm 2 and forearm 4, forearm 4 can coincide with big arm 2, the resistance can be effectively reduced, the size can be effectively saved, the upper end of the small arm 4 is hinged with one end, far away from the mounting plate 1, of the first connecting rod 3, the small arm 4 is provided with a rotating hole 5 which is through from front to back, the rotating hole 5 is positioned below the small arm 4 and the first connecting rod 3, the spring 6 is inserted in the rotating hole 5, the front surface and the back surface of the spring 6 are respectively and fixedly connected with a first gasket 7 and a second gasket 8, the second gasket 8 is positioned in front of the rotating hole 5, the rotating shaft 9 is inserted in the spring 6, the rear end of the rotating shaft 9 penetrates through the second gasket 8 and then is in threaded connection with the large arm 2, the front surface of the rotating shaft 9 is in threaded connection with a fixing block 10, the second gasket 8 is fixedly connected with the small arm 4 through the fixing block 10, the inner hole diameter of the first gasket 7 is larger than that of the second gasket 8, the circle centers of the first gasket 7, the spring, the inner hole of the first gasket 7 is matched with the rotating shaft 9, a second connecting rod 11 is arranged on the left side of the small arm 4, the upper end of the second connecting rod 11 is hinged to the large arm 2, the hinged position of the second connecting rod 11 and the large arm 2 is located on the left side of the hinged position of the small arm 4 and the large arm 2, a buffer plate 12 is arranged at the lower ends of the second connecting rod 11 and the small arm 4, the buffer plate 12 is horizontally arranged, the buffer plate 12 is arranged in parallel with the mounting plate 1, the buffer plate 12 is always kept horizontal under the driving of the second connecting rod 11, the second connecting rod 11 and the small arm 4 are both hinged to the buffer plate 12, an electric winch 13 is fixedly mounted on the upper surface of the mounting plate 1, a steel wire 14 is arranged between the electric winch 13 and the upper surface of the large arm 2, two ends of the steel wire 14 are respectively fixedly connected with the large arm and the electric winch 13, a guide wheel 16 is arranged on the left side surface of the mounting plate 1, the guide wheel 16 is rotatably connected with the mounting plate through.

The theory of operation, begin to draw in steel wire 14 when electric capstan 13 is rotatory, big arm 2 begins to be close to mounting panel 1 this moment, first connecting rod 3 promotes forearm 4 and is close to big arm 2, spring 6 begins to twist reverse, can draw in this moment and make buffer board 12 upwards lift in big arm 2 and forearm 4, when unmanned aerial vehicle descends fast, electric capstan 13 begins to loosen steel wire 14, spring 6 does not receive the force and begins to twist reverse the original state of recovery this moment, when buffer board 12 and ground contact, forearm 4 begins the atress and takes place rotatoryly with big arm 2, spring 6 begins to receive the force and twists reverse this moment, first connecting rod 3 and second connecting rod 11 homoenergetic play the effect of buffering, the angle between control arm 15 and mounting panel 1 can be adjusted, can change the contained angle between big arm 2 and the control arm 15, further regulation buffer strength.

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

1. The utility model provides a bionic undercarriage of unmanned aerial vehicle, includes mounting panel (1), its characterized in that: the bottom surface of the mounting plate (1) is hinged with a large arm (2) and a first connecting rod (3), the first connecting rod (3) is positioned on the left side of the large arm (2), one end of the large arm (2), which is far away from the mounting plate (1), is provided with a small arm (4), the upper end of the small arm (4) is hinged with one end of the first connecting rod (3), which is far away from the mounting plate (1), the small arm (4) is provided with a rotary hole (5) which is through from the front to the back, the rotary hole (5) is positioned below the small arm (4) and the first connecting rod (3), a spring (6) is inserted in the rotary hole (5), the front side and the back side of the spring (6) are respectively and fixedly connected with a first gasket (7) and a second gasket (8), the second gasket (8) is positioned in front of the rotary hole (5), a rotary shaft (9) is inserted in the spring (6), the rear end of the rotary shaft (9) penetrates through the second, the front side of the rotating shaft (9) is in threaded connection with a fixing block (10), a second gasket (8) is fixedly connected with the small arm (4) through the fixing block (10), a second connecting rod (11) is arranged on the left side of the small arm (4), the upper end of the second connecting rod (11) is hinged to the large arm (2), the hinged position of the second connecting rod (11) and the large arm (2) is located on the left side of the hinged position of the small arm (4) and the large arm (2), a buffer plate (12) is arranged at the lower ends of the second connecting rod (11) and the small arm (4), the second connecting rod (11) and the small arm (4) are hinged to the buffer plate (12), an electric winch (13) is fixedly mounted on the upper surface of the mounting plate (1), a steel wire (14) is arranged between the electric winch (13) and the upper surface of the large arm (2), and two ends of the steel wire (14) are fixedly connected with the large arm ().

2. The biomimetic landing gear for unmanned aerial vehicles according to claim 1, wherein: the bottom surface of mounting panel (1) is provided with control arm (15), and the upper end of control arm (15) is articulated with the bottom surface of mounting panel (1), and the one end that mounting panel (1) were kept away from in control arm (15) is rotated with the left end of big arm (2) and is connected.

3. The biomimetic landing gear for unmanned aerial vehicles according to claim 1, wherein: the left side face of the mounting plate (1) is provided with a guide wheel (16), the guide wheel (16) is rotatably connected with the mounting plate (1) through a wheel carrier, and one end, located between the large arm (2) and the electric winch (13), of the steel wire (14) is wound on the circumferential face of the guide wheel (16).

4. The biomimetic landing gear for unmanned aerial vehicles according to claim 1, wherein: the small arm (4) is arranged in front of the large arm (2), and the included angle between the small arm (4) and the large arm (2) is seventy degrees.

5. The biomimetic landing gear for unmanned aerial vehicles according to claim 1, wherein: the inner hole diameter of the first gasket (7) is larger than that of the second gasket (8), and the circle centers of the first gasket (7), the spring (6), the second gasket (8), the rotating shaft (9) and the fixing block (10) are all located on the same straight line.

6. The biomimetic landing gear for unmanned aerial vehicles according to claim 1, wherein: the buffer plate (12) is horizontally arranged, and the buffer plate (12) is arranged in parallel with the mounting plate (1).