Fixture for flatness measurement

The utility model relates to a clamp for flatness measurement, which comprises a bottom frame, a middle frame and a movable slider, the middle frame is slidably mounted in the bottom frame and can slide back and forth along the X-axis direction, the movable slider is slidably mounted in the middle frame and can slide back and forth along the Y-axis direction, and the movable slider is slidably mounted in the middle frame and can slide back and forth along the Y-axis direction. The movable sliding block is provided with a through hole, and the upper end face of the movable sliding block is a platform used for installing a measuring instrument. According to the clamp, the dial indicator or the dial indicator can move in the two-degree-of-freedom direction, the flatness of the surface of a to-be-measured product can be measured without moving the dial indicator clamp, the measurement result is accurate, the measurement efficiency is improved, and the clamp is simple to operate and easy to operate. 本实用新型涉及一种用于平面度