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Redundant driving type multi-safety redundancy steering engine

A margin steering gear, driven technology, applied in the direction of projectiles, self-propelled bombs, offensive equipment, etc., can solve the problems of large structure, large gap, unbalanced load, etc., to increase volume weight, less weight increase, and load. balanced effect

Active Publication Date: 2019-01-08
SHANGHAI AEROSPACE CONTROL TECH INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention: Aiming at the problems of unbalanced load, large structure and large gaps in the steering gear controlled by the differential speed mechanism at present, a redundant drive type steering gear with multiple safety margins is provided

Method used

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  • Redundant driving type multi-safety redundancy steering engine
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  • Redundant driving type multi-safety redundancy steering engine

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Embodiment

[0023] Embodiment: The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 This is the schematic diagram of the redundant drive differential reduction mechanism, explaining how the mechanism synthesizes the speeds of the two motors and outputs the rudder deflection angle. The same rudder surface has two control channels, each control channel includes a driver and a motor 1, two motors 1 with brakes 2 are fixed on the base, the motor 1 is connected with the right-hand screw 12 through a coupling, The second motor is connected with the left-handed screw 22 through a shaft coupling. The inner side of the right-handed nut 13 converts the rotation angle difference with the right-handed screw 12 into translation through the ball and the spiral track, the outer side of the right-handed nut 13 is installed on the cage 3 through the bearing 4 and the retaining ring, and the inner side o...

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Abstract

The invention discloses a redundant driving type multi-safety redundancy steering engine. The steering engine comprises a controller, a driver and motors (1), wherein the two motors (1) are connectedwith lead screws correspondingly, the two lead screws are arranged in parallel and are opposite in rotation direction, and nuts on the lead screws are installed on a retainer (3) through bearings (4);and synchronous pulleys (5) are installed at the end parts of the nuts (5), a synchronous belt (6) is installed between the two synchronous pulleys (5), and the retainer (3) is connected with a rudder shaft (7). According to the steering engine, a system has double redundancy, so that the reliability of the steering engine is guaranteed.

Description

technical field [0001] The invention relates to electric servo control technology. Background technique [0002] The steering gear is an important executive component to control the flight of the missile. With the continuous development of missile technology and the improvement of missile reliability and safety requirements, multiple redundancy strategies have gradually been adopted on steering gear. Most of the current research uses motors with multiple safety margins, that is, adding multiple windings to the motor. This method has defects such as difficulty in embedding windings and mutual inductance between windings. There are few researches on multi-redundancy design in machinery, which can be divided into two types. One is the torque synthesis method. This strategy uses multiple motors to drive the same shaft, which has the problem of force disputes, difficult control, and even instability. One is the redundant drive type, which uses a differential mechanism for speed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42B15/00F42B15/01F42B10/64
CPCF42B10/64F42B15/00F42B15/01
Inventor 奚勇唐德佳黄民昌陶键顾建军霍红梅孙逊
Owner SHANGHAI AEROSPACE CONTROL TECH INST
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