The invention discloses a lifting device and a lifting device method as well as an automobile crane. The lifting device comprises at least one front lifting oil cylinder and at least one rear lifting oil cylinder, wherein the front lifting oil cylinders are installed on the front part of an automobile frame; the rear lifting oil cylinders are installed on the rear part of the automobile frame. According to the invention, the whole automobile crane is lifted up and down by controlling the lifting oil cylinders to stretch and retract, thereby solving the problem that the whole automobile crane ascends and descends by depending on support legs completely.


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    Title :

    Lifting device and method and automobile crane


    Contributors:
    ZHU LEI (author) / WANG DONGHUA (author) / SUN JIANHUA (author) / LI MIN (author) / CHENG WEI (author)

    Publication date :

    2015-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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