Split type gear ring

The utility model discloses a split type gear ring which comprises a flywheel, the outer surface of the flywheel is connected with the split type gear ring in a clamped mode, a clamping block is arranged inside the split type gear ring, the clamping block is connected inside the flywheel in a clamped mode, the split type gear ring is provided with a first fixing structure, and the first fixing structure comprises a fastening bolt and a circular groove. A fastening bolt is connected between the split type gear ring and the flywheel through threads, a second fixing structure is arranged in the flywheel and comprises a sliding groove, a spring, a clamping rod, a clamping groove, a round rod and an arc-shaped groove, and the split type gear ring is provided with the first fixing structure and the second fixing structure to fix the position of the split type gear ring. The double fixing structures can guarantee the fixing stability of the split type gear ring, the phenomenon that the gear ring falls off during use