Asphalt pavement drainage strength detection device

The utility model discloses an asphalt pavement drainage strength detection device which comprises a water storage tank and a detection box, three detection boxes are arranged on the inner side of the detection box, rotating shafts are fixedly connected to the outer side walls of the two sides of the three detection boxes, and the multiple rotating shafts are rotationally connected with the inner side walls of the detection box respectively. The outer side wall of the detection box is connected with a transmission assembly for driving the three rotating shafts on the same side to rotate, the outer side wall of the detection box is fixedly connected with a water conveying pipe, the water conveying pipe is fixedly connected with three L-shaped spraying pipes, the three L-shaped spraying pipes correspond to the three detection boxes respectively, and the bottoms of the upper ends of the three L-shaped spraying pipes are provided with a plurality of spraying heads; the side wall of the water storage tank is conne