Precise detection device for surface flatness of color steel plate

The utility model discloses an accurate detection device for surface flatness of a color steel plate. The accurate detection device comprises a workbench, a supporting frame is installed in the middle of the upper end of the workbench, a plurality of infrared distance measuring instruments are evenly installed below the supporting frame, a leading-in wheel set is installed at one end of the workbench, a leading-out wheel set is installed at the other end of the workbench, and a bubble level is installed on one side of the upper end of the workbench. Adjusting mechanisms are installed on the periphery of the bottom end of the workbench, moving wheels are arranged on the periphery of the bottom end of the workbench, and the upper ends of the moving wheels are fixedly installed at the bottom end of the workbench through bolts. According to the utility model, the plurality of infrared range finders emit infrared rays, and the distance between the infrared range finders and the material is calculated by receiving