A bevel gear push rod type aircraft head deflection drive device

Abstract

The invention discloses a drive device for head deflection of a bevel gear push-rod type aircraft. The drive device for head deflection of the bevel gear push-rod type aircraft comprises a supporting mechanism, power mechanisms, a bevel gear steering mechanism, a connection rod transmission mechanism, a head and rotation connection arm mechanism and an aircraft head body connection mechanism. The power mechanism, the bevel gear steering mechanism and the aircraft head body connection mechanism are fixed to a base of the supporting mechanism. The power mechanisms are arranged along the axis of a machine body. The connection rod transmission mechanism pushes the head and rotation connection arm mechanism to rotate around a ball head in a spherical sleeve of the supporting mechanism. When the head shell of the aircraft begins to conduct deflection, an aircraft computer sends out a signal, and the power mechanisms receive control signals and drive the bevel gear steering mechanism to rotate. The bevel gear steering mechanism converts the rotation movement to linear movement of the connection rod transmission mechanism. The head and rotation connection arm mechanism rotates around the spherical sleeve so as to achieve head deflection of the aircraft. The deflection drive device is simple and compact in structure, and is especially suitable for small aircrafts.

Description

technical field [0001] The invention relates to an aircraft head deflection drive device, in particular to a bevel gear push rod type aircraft head deflection drive device. Background technique [0002] The aircraft head deflection control device is that the aircraft head deflects a certain angle relative to the aircraft fuselage in any direction, and generates a corresponding aerodynamic force on the aircraft head, that is, the control force of the aircraft, thereby generating a control moment relative to the center of mass of the aircraft. The aircraft produces a corresponding attitude angle, and finally produces a maneuvering overload. The aircraft head deflection control device can realize the movement of the aircraft on the yaw and pitch channels. [0003] In the currently disclosed technical literature, there are four types of aircraft head deflection drive mechanisms: piezoelectric ceramic, magnetostrictive, hydraulic (gas) pressure and swash plate. [0004] Piezoel...

AI Technical Summary

Problems solved by technology

[0008] Piezoelectric ceramic and magnetostrictive materials are very expensive, and the deformation produced is relatively small, which requires a relatively complicated amplification mechanism and requires very strict conditions of use.

Although the liquid (pneumatic) pressure deflection drive mechanism can provide a large torque, it needs to be equipped with a gas and liquid structure, and is greatly affected by the ambient temperature; the swash plate type is easy to cause coupling when the aircraft head is deflected. And the lateral overload that can be carried is relatively small

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