The double-end lock bearing folding and unfolding electro-mechanical actuator is simple, reliable and high in transmission efficiency. According to the technical scheme, a lead screw nut conducts static locking connection through an anti-blocking lock arranged in a hollow cavity of a piston head, medium-pressure and high-pressure medium gas emergently stretches out to enter a high-pressure cavity of an outer cylinder, an anti-blocking lock bush arranged on a lead screw in a sleeving mode is driven to move rightwards through a circular seam channel of the lead screw nut, and the high-pressure medium gas enters a high-pressure cavity of the outer cylinder; a locking claw ring buckle locked on a ring cylinder lock buckle is pushed out of a buckle ring locking groove, an upper locking block is driven to slide out of a conical slope of a locking groove, meanwhile, the elastic force of a reset spring is overcome, a step follow-up sleeve is driven, a piston cylinder is pushed to overcome loads to stretch out, the piston cylinder stretches out to a limit position, and a lower locking block slides along an outer cylinder to be clamped into a cavity end lower locking groove. And the piston cylinder cannot move and is locked. And the anti-blocking lock mechanism and the anti-blocking lock form a double-end lock bearing anti-blocking lock mechanism for locking and unlocking the piston barrel in emergency and extending out of a sealing outlet hole of an end ring of an outer barrel cavity. And the folding and unfolding locking capability and the task reliability of the electromechanical actuator are improved.

    本发明提出的一种双端锁承载收放机电作动器,简单可靠,传动效率高。本发明通过下述技术方实现:丝杠螺母通将设置在活塞头中空腔体中的防卡塞锁进行静态锁联,应急伸出中,高压介质气体进入外筒高压腔,通过丝杠螺母环缝通道,驱动套合在丝杠的防卡塞锁衬套右移,将锁扣在环筒锁扣上的锁爪环扣推出扣环锁槽,带动上位锁块从锁槽圆锥斜面滑出,同时克服复位弹簧弹力,带动阶梯随动套筒,推动活塞筒克服负载伸出,活塞筒伸出至极限位置,下位锁块沿外筒滑动卡入腔端下位锁槽,活塞筒无法移动而锁定。与防卡塞锁一起组成活塞筒应急收放锁止、解锁和伸出外筒腔端环密封出孔的双端锁承载的防卡塞锁机构。提高了机电作动器收放锁定能力及任务可靠性。


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    Title :

    Double-end lock bearing folding and unfolding electro-mechanical actuator


    Additional title:

    双端锁承载收放机电作动器


    Contributors:
    KUANG KEHUAN (author) / XIAN ZIJIN (author) / MENG JIA (author) / ZHANG XINGXING (author)

    Publication date :

    2023-04-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B64C AEROPLANES , Flugzeuge / E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung / F16H Getriebe , GEARING



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