Movable electric winch for dismounting and mounting bolts of primary crusher

The utility model belongs to the technical field of mineral processing production in the metallurgical industry, and particularly relates to a movable electric winch truck for dismounting and mounting bolts of a primary crusher, which is characterized by comprising an electric winch truck arranged on a two-layer platform of the primary crusher and an electric winch arranged on the electric winch truck, the steel wire rope is wound on the electric winch, the lifting hook is connected with the end of the steel wire rope, the annular slide wire is arranged on the primary crusher upper frame body and used for being connected with a power source, and a cable of the electric winch is connected to the annular slide wire and obtains the power source. The device is arranged on a two-layer platform of the primary crusher, the flange draw-in bolt of the primary crusher can be rapidly and safely replaced through the movable electric winch, the maintenance time of the primary crusher is effectively shortened, the producti