Measuring device for road surface flatness detection

The invention belongs to the technical field of road flatness detection, and discloses a measuring device for road surface flatness detection, which comprises a supporting assembly, a plurality of measuring assemblies distributed in a linear shape are inserted in the supporting assembly, and the plurality of measuring assemblies distributed in the linear shape are limited through a limiting assembly. The limiting assembly is positioned through the positioning assembly, the supporting assembly comprises an inverted-U-shaped frame, rolling wheels are fixedly installed at the bottom end of the inverted-U-shaped frame, a plurality of inserting holes distributed in a straight line shape are formed in the inner top face of the inverted-U-shaped frame, a plurality of circular containing grooves matched with the inserting holes are formed in the upper surface of the inverted-U-shaped frame, a connecting plate is fixedly installed on one side face of the inverted-U-shaped frame, a vertical plate is fixedly installed o