Machine tool station zero point measuring device

The utility model discloses a machine tool station zero point measuring device in the technical field of zero point measurement, which comprises a machine tool body, an annular guide rail, a support rod, a telescopic mechanism and a dial indicator, a machine tool headstock is arranged on the left side of the machine tool body, a machine tool tailstock is arranged on the right side of the machine tool body, and the annular guide rail is fixed at the joint of the machine tool tailstock and a rear tip through a bolt. A fixed handle is arranged above the sliding block; the left side of the sliding block is connected with the right side of a supporting rod through a bolt; the left side of the supporting rod is connected with a telescopic mechanism through a bolt; a telescopic handle is arranged above the telescopic mechanism; a dial indicator contact is arranged at the bottom of the dial indicator, a cavity between the annular guide rail and the metal check ring is a limiting groove, and a limiting block is arrang