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.
Special grabbing-size adjustable grab bucket for box body
2015-11-11
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
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