Road water seepage testing device

The utility model relates to the technical field of engineering detection equipment, in particular to a road water seepage testing device which comprises a square supporting seat, a measuring cylinderfixed on the supporting seat and a square base, a water seepage cavity is formed in the base, and a connecting pipe is arranged at the bottom end of the measuring cylinder. The two ends of the connecting pipe are communicated with the measuring cylinder and the water seepage cavity respectively, a valve is arranged on the connecting pipe, a gradienter is arranged on the supporting seat, first supporting blocks are hinged to the four corners of the supporting seat in a spherical mode, and second supporting blocks are fixed to the four corners of the base. An adjusting assembly for adjusting the distance between the first supporting block and the second supporting block is arranged between the first supporting block and the second supporting block. The measuring cylinder can be adjusted, sothat the measuring cylind