Impact sample dimension measuring device

The utility model discloses an impact sample dimension measuring device including a sample fixing base, a cuboid testing tank having openings in the right surface and the top surface is arranged in the sample fixing base, the bottom surface of the cuboid testing tank is used for holding a sample to be measured, the center of the back surface of the cuboid testing tank is provided with a center positioner, the center positioned and the V-shaped notch of the sample to be measured are matched in shape, and micrometers symmetrically penetrate through the two side end faces of the cuboid testing tank. The measuring device provided can visually, rapidly, and accurately measure the distance from the symmetrical surfaces of the notch of the impact sample to the ends and the length of the impact sample, and can effectively improve the measurement quality and efficiency.