Metering auxiliary support device

The utility model provides a metering auxiliary support device which comprises an auxiliary structure arranged on a brake disc in a penetrating mode and used for auxiliary measurement and a supporting structure arranged on the lower portion of the auxiliary structure, the supporting structure is connected with the brake disc and comprises a supporting block, a mounting hole is formed in the supporting block, and threads are arranged on the inner wall of the mounting hole. The auxiliary structure comprises a fixing disc and a counter bore formed in one side of the fixing disc, the counter bore is connected with the supporting block through a bolt, and the protruding part of the brake disc is embedded in the center of the fixing disc. According to the metering auxiliary support device provided by the utility model, when the side surface of the outer circular truncated cone is arc-shaped, accurate detection values can be obtained when a micrometer is used for detection, measurement errors are reduced, waste prod