The utility model discloses a split type tapered winch drum, tapered cylinder are split type, comprise relative setting of two tapered body tips and both sides fender dish, and tapered cylinder compresses tightly fixedly through the nut. Tapered cylinder cover is fixed on current supporting seat through transmission shaft and bearing housing on the hexagon transmission shaft on one side of the transmission shaft, through the motor and the belt pulley transmission power of current winch, drives drive shaft rotating, and then drives the cylinder rotation. The utility model discloses the direct uninstallation of logging steel wire or cable can be realized on the winch, or the artifical quick uninstallation of changing the winch steel wire is needed to other. It has the convenient and fast of dismantlement, work efficiency is high and transport characteristics such as convenient.