Crane winch protection device

The invention relates to the technical field of hoisting equipment of cranes, and discloses a hoisting protection device of a crane, which comprises an annular supporting seat and a plurality of layers of winding drums which are sequentially sleeved from inside to outside and are used for winding steel wire ropes, the center of the winding drum on the innermost side is connected with a center shaft used for being connected with power equipment. The end part of the outermost winding drum is rotationally connected to the inner side of the supporting seat; the end parts of the adjacent winding drums are rotationally connected; one side of the winding drum is provided with a strip-shaped hole axially parallel to the winding drum and allowing the steel wire rope to penetrate through; escapement assemblies are arranged at the ends of the winding drums and enable the adjacent winding drums to be connected or separated, and the winding drum on the outermost side and the supporting base to be connected or separated. T