The invention discloses a main girder of a crane. The main girder comprises a first rubber sleeve ring, a first locking mechanism, a first steel ring, a first motor, I-shaped steel, a second motor, a second locking mechanism, a second rubber sleeve ring and a second steel ring, wherein the first rubber sleeve ring is arranged on the inner end surface of the first steel ring; the side end face of the first steel ring penetrates through the first locking mechanism; the first motor is arranged on the upper end face of the first steel ring; the second rubber sleeve ring is arranged on the inner end surface of the second steel ring; the side end face of the second steel ring penetrates through the second locking mechanism; the second motor is arranged on the upper end face of the second steel ring; the outer end faces of the first steel ring and the second steel ring are welded and fixedly connected through the I-shaped steel. The main girder for the crane is reasonable in design, good in working effect, high in bearing capability, long in service life and suitable for being popularized and applied.


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    Title :

    Main girder of crane


    Contributors:
    CHEN DAXING (author)

    Publication date :

    2015-12-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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