The invention relates to a special grabbing-size adjustable grab bucket for a box body, which comprises a fixed plate, four electric sliding rails and four mechanical paws, wherein the fixed plate is in a square structure; the four electric sliding rails are positioned on bisectors of four vertex angles of the fixed plate respectively; the four mechanical paws are respectively mounted under the four electric sliding rails; the four mechanical paws comprise movable sliding blocks, upper jackets, lower jackets, expansion rods, upper lugs, lower lugs and hydraulic cylinders; the movable sliding blocks are fixed at the top ends of the upper jackets; the bottom ends of the upper jackets are connected with the top ends of the lower jackets by the expansion rods; the upper lugs are fixed on the outer side walls of the bottom ends of the upper jackets; the lower lugs are fixed on the outer side walls of the top ends of the lower jackets; the bottom ends of the hydraulic cylinders are fixed with the upper lugs; and the top ends of the hydraulic cylinders are connected with the lower lugs. The special grabbing-size adjustable grab bucket can fix four corners of the box body, thereby realizing the function of grabbing the box body. The special grabbing-size adjustable grab bucket is high in grabbing stability, adjustable in grabbing spacing and size, and wide in application scope, and is adaptable to the box bodies of different sizes.


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    Title :

    Special grabbing-size adjustable grab bucket for box body


    Contributors:
    LI RUOYU (author) / YAN SHENGZAN (author) / LI PENGFEI (author)

    Publication date :

    2015-11-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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