The invention discloses a rotating lifting appliance for a crane. The rotating lifting appliance comprises a trolley body, a lifting drive motor, a reduction gearbox, two groups of duplex winding drums, four groups of lifting components, a lifting hanging beam and a rotating hanging beam, wherein each of the two groups of duplex winding drums is connected with the corresponding two groups of lifting components; each group of lifting component comprises a first fixed pulley, a second fixed pulley and a movable pulley; the four groups of lifting components form a statically indeterminate structure, so that shake produced by the lifting appliance during the using process can be reduced; a slewing bearing is arranged between the lifting hanging beam and the rotating hanging beam; the lifting hanging beam is fixedly connected with an inner ring of the slewing bearing; the rotating hanging beam is fixedly connected with an outer gear ring of the slewing bearing; a rotating component is fixedly connected onto the lifting hanging beam and is used for driving the outer gear ring of the slewing bearing, so as to reduce the manpower burden and improve the use safety of the lifting appliance. A lifting hook is rotatably connected to the middle position of the lower surface of the rotating hanging beam, a plurality of magnetic lifting appliances are symmetrically distributed on the rotating hanging beam on the two sides of the lifting hook, so that sufficient reliability is provided for the lifting work of bar materials.


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    Title :

    Rotating lifting appliance for crane


    Contributors:

    Publication date :

    2015-07-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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