Embedded rudder surface control mechanism of unmanned aerial vehicle

Abstract

The invention discloses an embedded rudder surface control mechanism of an unmanned aerial vehicle. The embedded rudder surface control mechanism consists of a steering engine, a driving gear, a transmission gear and a driven gear. The steering engine and a driving gear mounting seat are fixed in a wing, the steering engine is arranged on one side of the driving gear mounting seat, and the drivinggear and the transmission gear are arranged in the middle of the driving gear mounting seat. The two ends of a connecting sleeve are connected with the steering engine and a rotating shaft of the driving gear correspondingly. The driven gear and an actuating piece are installed in the steering engine through a driven gear bracket, the actuating piece is fixedly connected with a rotating shaft ofthe driven gear, the rotating shaft of the driven gear coincides with a rotating shaft of a rudder surface, and the transmission gear and the driven gear are meshed at a gap between the rear edge of the wing and the front edge of the rudder surface. The steering engine drives the driving gear to rotate and drives the driven gear to rotate through the transmission gear, and the driven gear drives the actuating piece to rotate to extrude the rudder surface, and therefore the rudder surface is driven to rotate. The rudder surface control mechanism is simple in structure and convenient to install;and the transmission ratio of the steering engine and the rudder surface can be adjusted by changing the number of teeth of each gear, so that the control precision is adjusted.

Description

[0001] Field [0002] The invention relates to the field of unmanned aerial vehicles and automatic control, in particular to a built-in unmanned aerial vehicle rudder surface control mechanism. Background technique [0003] At present, UAVs have been widely used in both civilian and military fields. Among them, fixed-wing UAVs have been widely used. The rudder surface of a fixed-wing UAV generally includes flaps and ailerons on the wings, elevators on the horizontal tail and rudders on the vertical tail, which are used to control the aircraft. [0004] The rudder surface control mechanism of fixed-wing drones generally uses exposed rocker arms and connecting rods to connect the steering gear and rudder surface for rudder surface control. This rudder surface control mechanism increases the exposed area of ​​the body. Although it can rectify the exposed part, it still destroys the original aerodynamic shape of the drone and reduces the lift-to-drag ratio of the drone. If one ...

AI Technical Summary

Problems solved by technology

However, the rudder surface of the UAV is generally located at the trailing edge of the wing surface, and the internal space of the wing is small. The general rudder surface control mechanism must ensure that there are no exposed parts and not destroy the original aerodynamic shape of the UAV, which is difficult to achieve.

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