Turnabout drum convenient to disassemble

A turnabout drum convenient to disassemble comprises bolts, a main shaft and support frames; an upper support ring is in a semicircle shape, a lower support ring is in a semicircle shape, the upper support ring is connected with the lower support ring through the bolt B, three support frames are arranged in a circle formed by the upper support ring and the lower support ring, the angle between the two adjacent support frames is 60 degree, the main shaft is arranged on the intersection point of the three support frames, eight single pieces are arranged outside the circle formed by the upper support ring and the lower support ring, the single pieces are fixed to the upper support ring and the lower support ring through the bolt A, and wearproof materials are arranged on the single pieces. The single pieces can be disassembled from the support rings if the bolt A is taken down, the upper support ring and the lower support ring can be disassembled if the bolt B is taken down, the three support frames can also be disassembled, the disassembled parts are transported, therefore, time and manpower are saved, and the work efficiency is improved greatly.