Unmanned aerial vehicle undercarriage with double damping function

Abstract

The invention relates to an unmanned aerial vehicle undercarriage with a double damping function. The unmanned aerial vehicle undercarriage comprises a delta parallel mechanism, a battery box and a damping undercarriage, wherein the battery box is located at the middle of the delta parallel mechanism; the damping undercarriage is located under the delta parallel mechanism; the damping undercarriage is fixedly connected with the delta parallel mechanism. The unmanned aerial vehicle undercarriage has a double damping effect; the damping effect is obvious and effective; the vibration generated between the ground and the unmanned aerial vehicle while landing is reduced; the damage to the body of the unmanned aerial vehicle when the unmanned aerial vehicle lands is reduced; the delta parallel mechanism which has the advantages of compact and flexible structure, high moving stability and excellent damping property is adopted, so that the vibration generated between the ground and the unmanned aerial vehicle while landing is reduced, the displacement caused by recoil force when the unmanned aerial vehicle is in contact with the ground is made up and the safety and the stability when the unmanned aerial vehicle lands are promoted.

Description

technical field [0001] The invention relates to the field of unmanned aerial vehicles, in particular to a landing gear of an unmanned aerial vehicle with double shock-absorbing functions. Background technique [0002] Aircraft is an instrumental flying object manufactured by humans, capable of flying off the ground, flying in space and controlled by humans in the atmosphere or in space outside the atmosphere (space). Aircraft are divided into aircraft, spacecraft, rockets, missiles and guided weapons UAV is also a kind of aircraft. UAV is an unmanned aircraft controlled by radio remote control equipment and its own program control device. From a technical point of view, it can be divided into unmanned helicopters, unmanned fixed-wing aircraft, and unmanned aircraft. Multi-rotor aircraft, unmanned airships and unmanned parawing aircraft, etc.; can be divided into military and civilian use according to the application field, and military drones are divided into reconnaissance ...

AI Technical Summary

Problems solved by technology

[0003] UAVs have the advantages of compact structure, small size, strong popularity, flexible movement and stable flight, and are widely used in civilian and military applications, and are popular with the public; however, aircraft are currently facing the two major problems of shock absorption and battery life. The battery life determines the flight time and stability of the aircraft, while the shock absorption directly determines the stability and safety of the aircraft when it lands, and indirectly affects the quality of the aircraft itself and the safety of the objects or people it carries.

There are also some technologies that have proposed solutions to the vibration damping problem of aircraft. For example, the Chinese patent No. 201510270375.4 discloses a kind of aircraft damping tripod. The sleeve and the inner shaft pass through the oil seal to form an internal sealing structure. Under the action of the resistance grease, the spring makes the expansion and contraction of the inner shaft play a buffering and shock-absorbing effect; the Chinese patent No. 201410012150.4 discloses a shock-absorbing device for an unmanned aerial vehicle, and the shock-absorbing effect is achieved by setting a shock-absorbing ball; However, the above technologies all have problems such as ineffective shock absorption.

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