Vertically taking off and landing small unmanned aerial vehicle

Abstract

The invention relates to an unmanned aerial vehicle which can vertically take off and land and hover in the air and has higher flight speed and larger flying range. The unmanned aerial vehicle does not need running take-off, thereby reducing the requirement on a taking off and landing field and greatly expanding the application range, and the unmanned aerial vehicle has higher speed and further flaying range than a manned helicopter. The unmanned aerial vehicle comprises a body (1), wings (8), a horizontal empennage (2), a vertical empennage (5), a nose power cabin (15) arranged on the front part of the body (1), a propeller power system (12) arranged on the front part of the nose power cabin (15) and a tilting mechanism (16) arranged on the middle upper part of the body, wherein the nosepower cabin (15) is connected with the body in a titling mode through the tilting mechanism (16) so as to ensure that the axial directions of the propellers (121) and (122) of the propeller power system (12) can be correspondingly titled.

Description

technical field [0001] The invention relates to a small unmanned aerial vehicle with a vertical take-off and landing function, which belongs to the field of aviation vehicle design. Background technique [0002] Unmanned aircraft, referred to as UAV, is a powered, unmanned, reusable or one-time use aircraft. UAVs are often classified by weight, of which less than 20kg are called micro or small UAVs, which are generally used to perform military tasks such as battlefield reconnaissance, damage assessment, and target guidance, as well as as a carrier platform for flight tests and aerial surveying and mapping. and other non-military tasks. [0003] Small fixed-wing UAVs generally adopt horizontal taxi takeoff, hand throw takeoff, catapult takeoff and other forms of take-off, and usually adopt taxi landing, parachute landing and other forms of landing. Hand-throwing and catapult take-off are limited by the strength of the personnel's arms and the thrust of gunpowder and springs...

AI Technical Summary

Problems solved by technology

However, unmanned helicopters have complex structures, high maintenance requirements, high failure rates, low flight speeds, and short voyages.

[0005] In many applications, even the most basic take-off and landing site requirements are difficult to meet, which greatly limits the scope of use of fixed-wing UAVs

Taking the disaster assessment task in the earthquake area as an example, at the initial moment of the earthquake, the road was damaged, and external personnel could not quickly enter the earthquake area to understand the loss situation

However, in order to provide relevant departments with the basis for scientific decision-making in a timely manner, the earthquake area must be surveyed in the air and on the ground. At this time, it is an economical and effective means to use small unmanned aerial vehicles or small unmanned helicopters for operations.

However, the existing small fixed-wing unmanned aerial vehicle adopts the conventional take-off and landing form, and the earthquake area is devastated, and the take-off and landing conditions are poor, which limits its use; the small helicopter has a low flying speed and a small range, which is not conducive to flying deep into the disaster area.

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