A instrument for measuring anti - terminal surface of interior annular terminal surface discrepancy outside main shaft

The utility model provides an instrument for measuring anti - terminal surface of interior annular terminal surface discrepancy outside main shaft, wear to establish the connecting rod in the main shaft hole including one when measuring, the connecting rod is arranged in one of main shaft hole and serves and install the gasket of roof pressure on the anti - terminal surface of main shaft hole whenmeasuring, the connecting rod lies in on the outer lateral wall of main shaft hole the slip cap and is equipped with to press when measuring and establishes the gage block on the terminal surface outside the main shaft, the connecting rod lies in one of the main shaft hole outside and serves and still install the percentage table of thimble roof pressure on the gage block when measuring, it has one section external screw thread still to process on the connecting rod, it is equipped with the lock solid nut to twist on the external screw thread, lock solid nut control gasket and gage block press from both sides tightly