Crane hook pulley steel wire rope anti-falling device

The utility model relates to the technical field of hoisting equipment, in particular to an anti-falling device for a steel wire rope of a hook pulley of a crane, which can improve safety and reduce potential safety hazards. Comprising a lifting frame, a pulley, a steel wire rope, a lifting hook, a limiting piece, a left buffering shaft, a right buffering shaft, two sets of buffering springs, two sets of connecting bases, a left limiting wheel and a right limiting wheel, the pulley is rotationally installed in the lifting frame, the steel wire rope is wound on the pulley, and a connecting shaft is arranged at the top end of the lifting hook, rotationally penetrates through the bottom end of the lifting frame and is fixedly connected with the limiting piece; limiting frames are arranged at the left end and the right end of the lifting frame, a left buffering shaft penetrates through the limiting frame on the left side in a sliding mode and is fixedly connected with one set of connecting bases, a right bufferin