The invention discloses an active heave compensation device for an air winch and a control method thereof. The active heave compensation device comprises a winch status detector, a flow and direction regulator and a heave compensation controller; the winch status detector comprises an acceleration sensor, an inclination sensor, a cable length sensor, a tension sensor and the like; the heave compensation controller is a core part of the whole device and composed of a CPU module, a communication module, an A/D acquisition module and a D/A output module; the flow and direction regulator is mounted at the front end of an air inlet of a pneumatic motor on the air winch, and composed of an air suction switching valve, a flow proportional regulating valve, a flow sensor, a cable retracting switching valve and a cable deploying switching valve. The active heave compensation device for the air winch is reasonable in structural design, and may control deploying and retracting of a cable and heave compensation for the air winch through the controller, and thus is suitable for operations of ocean platforms and port wharfs; as a result, the work fields of the air winch are expanded.


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    Title :

    Active heave compensation device for air winch and control method thereof


    Contributors:
    ZHOU GENRONG (author) / JIANG PING (author) / MIAO RUI (author) / GU SIJIA (author) / JI TIESHAN (author) / ZHANG XIAOHONG (author) / CAI SHOUJUN (author)

    Publication date :

    2016-02-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66D Haspeln , CAPSTANS



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