The invention discloses a hoisting device of a crane. The hoisting device comprises a main jib of the crane and a trolley arranged on the main jib, wherein the trolley is connected with a workbench through a telescopic arm, and a rotary platform is arranged below the workbench and is driven through a hydraulic motor; the joints of first and second swinging arms are arranged below the rotary platform; each section of swinging arm is driven through a hydraulic motor; a mechanical arm is arranged on the lowest swinging arm. The hoisting device is capable of completing hoisting operation at occasions with narrow space and hazardousness and under condition that a work piece self has dangerous situation; as no auxiliary operator is needed, the labor cost is saved.


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    Title :

    Hoisting device of crane


    Contributors:

    Publication date :

    2015-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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