The invention discloses a multi-stage retractile pneumatic hydraulic ejection device. The output end of a high-pressure air source is connected with an air source input end of a pneumatic valve; a control signal output end of a control is connected with an electric input end of the pneumatic valve; two gas output ports of the pneumatic valve are separately connected with an air inlet of a bidirectional gas-liquid mixing multi-stage cylinder and an air port of the bidirectional gas-liquid mixing multi-stage cylinder; a load is arranged on a bracket; the bracket is fixedly connected with the end surface of an ejection extending rod of the bidirectional gas-liquid mixing multi-stage cylinder; and one end of a pre-tightening device is fixed, and the other end is connected with the bracket, so that a pre-tightening force in the direction opposite to the extending direction of the ejection extending rod is provided. According to the multi-stage retractile pneumatic hydraulic ejection device, the ejection efficiency is high; an ejection mechanism can be retracted automatically after ejection; and meanwhile, superspeed ejection can be realized by utilizing the multi-stage cylinder and the pre-tightening device.


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    Title :

    Multi-stage retractile pneumatic hydraulic ejection device


    Contributors:
    REN RUI (author) / MA DAWEI (author) / LIU ZHENG (author)

    Publication date :

    2016-01-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen



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