A vertical take-off and landing fixed-wing unmanned aerial vehicle with variable torque propeller

Abstract

The present invention is a vertical take-off and landing fixed-wing unmanned aerial vehicle with a variable torque propeller, comprising a fuselage, the middle and tail of the fuselage are respectively equipped with wings and empennage, the fuselage head is equipped with an engine, and the output shaft of the engine Two sets of variable torque propellers are installed on the drone. When the UAV is running, the two sets of variable torque propellers rotate in opposite directions. A buffer landing mechanism is provided on the tail. The buffer landing mechanism includes: a connecting rod, a buffer device and a roller, and one end of the connecting rod It is hinged to the empennage, the other end of which is hinged to the roller, and the middle part of the connecting rod is hinged to the buffer device fixed in the empennage. The vertical take-off and landing and parking are carried out through the buffer take-off and landing mechanism. On the one hand, it has the flying speed of a fixed-wing UAV. Due to the dependence of the drone on the runway, the tail fins of the drone are equipped with rollers. During the flight, the rollers are driven by the airflow to rotate at a high speed, so that the attitude of the drone during the flight has better stability.

Description

Technical field: [0001] The invention relates to the technical field of unmanned aerial vehicles, in particular to a vertical take-off and landing fixed-wing unmanned aerial vehicle with variable torque propellers. Background technique: [0002] With the changes of the times, although the popularity of manned aircraft has not decreased, it has gradually exposed many disadvantages. For example, the cost of the aircraft is too high, and the crash of the aircraft threatens the life of the pilot, which makes the safety and technical requirements of manned aircraft continue to increase. Thereby, the cost of the aircraft is also continuously increased. In order to reduce the cost of manned aircraft and adapt to the development needs of modern warfare and society, countries have successively developed an unmanned aircraft, referred to as UAV. In recent years, in global local wars, the military has used drones to attack terrorists, conduct reconnaissance and surveys on battlefields...

AI Technical Summary

Problems solved by technology

[0003] Most of the existing UAVs have the following problems: 1. Most of the fixed-wing UAVs need to use the runway to take off and land. Therefore, the fixed-wing UAVs have relatively high requirements for the venue; Perform vertical take-off and landing, but the flight speed is low, which cannot meet the conditions for the rapid flight of drones and has poor maneuverability

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