Bearing ring clamp

The embodiment of the utility model relates to the technical field of bearing ring clamps, and discloses a bearing ring clamp which comprises a mounting block, a limiting block, a lantern ring, an adjusting plate, an adjusting bevel gear and adjusting gear teeth, the mounting block is provided with a cavity, the limiting block is connected with the mounting block, the lantern ring is connected with the limiting block and the mounting block, and the adjusting plate is connected with the adjusting bevel gear. The adjusting plate is located in the cavity, connected with the lantern ring and capable of rotating relative to the lantern ring, the adjusting bevel gear and the adjusting gear are located on the two sides of the adjusting plate respectively, the clamp further comprises an inner ring adjusting block, an inner ring sliding block, a hydraulic rod and an inner ring fixing block, the inner ring adjusting block penetrates through the lantern ring and is connected with the adjusting gear, and the inner ring s