The invention discloses a self-locking electric steering engine which comprises a motor, a reducer and a locking device. The locking device comprises an installing shell, a micro motor, a proximity switch, a fixed tooth disc, a threaded rod and a movable tooth disc, wherein the micro motor is fixed to the installing shell and used for providing locking torque; the proximity switch is used for providing locking in-position signals and unlocking in-position signals; the fixed tooth disc and a reduction gear are coaxially installed; the threaded rod is coaxially connected with the micro motor; the movable tooth disc is driven through the threaded rod. According to the self-locking electric steering engine, the locking device is designed to be in the primary stage of a transmission mechanism of the electric steering engine through middle gears; under the amplification action of the reduction ratio of the reducer to torque, large locking torque can be provided; meanwhile, after the steering engine is unlocked, additional inertial influences of the locking device on the motor are small, and therefore the self-locking electric steering engine is high in reliability and practicability.


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    Title :

    Self-locking electric steering engine


    Contributors:
    HU QIBO (author) / WANG YONGHUI (author) / CHENG SHUQIONG (author) / ZHANG JINDUO (author) / WANG HONGSHENG (author) / LIU JIA (author)

    Publication date :

    2015-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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