An electric winch device is to be mounted on a mobile crane including an operative part for hoisting work to cause the operative part to perform an operation for the hoisting work by winding up or letting out a rope connected to the operative part, the electric winch device including: a winch drum having an axis, provided on the mobile crane to be rotatable about the axis and wound with the rope therearound; a plurality of motors located on one side of the winch drum in an axial direction in which the axis of the winch drum extends, and arranged side by side in a direction perpendicular to the axial direction; a gear mechanism which combines torques output from the plurality of motors; and a transmitting part which transmits a resultant of torques combined by the gear mechanism to the winch drum to rotate the winch drum to thereby cause the winch drum to wind up or let out the rope.


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    Title :

    ELECTRIC WINCH DEVICE AND MOBILE CRANE


    Additional title:

    ELEKTRISCHE WINDENVORRICHTUNG UND MOBILER KRAN
    DISPOSITIF DE TREUIL ÉLECTRIQUE ET GRUE MOBILE


    Contributors:

    Publication date :

    2020-09-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66D Haspeln , CAPSTANS / F16H Getriebe , GEARING



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