Camshaft keyway symmetry measuring device

The utility model discloses a camshaft keyway symmetry measuring device, including measuring the main part, measuring the piece, measuring piece handle and dog, it is a cube to measure the main part, the central point who measures the main part puts and has offered one set of hole, trepanning and camshaft axis of the neck phase -match, the central point who measures the main part top puts and has seted up a through -hole, the the central axis of through -hole with the the central axis mutually perpendicular of trepanning, just the through -hole with the trepanning is linked together, it measures the piece to be equipped with one in the through -hole, the measurement piece is gone up the cover and is equipped with a spring, it is fixed with a measurement piece handle to measure the piece upper end, measure piece tip shape and camshaft keyway shape phase -match down, the one end that lies in the trepanning in the measurement main part is fixed with a dog. The time have in the operation convenient directly perce