The invention discloses a road construction inspection robot for asphalt pit filling. The road construction inspection robot comprises a main body frame, a detector is fixedly connected to the outer wall of the main body frame, an intermittent frame is fixedly connected to the bottom end of the inner wall of the main body frame, a first motor is fixedly installed on the inner wall of the intermittent frame, and a rotating box is installed at the output end of the first motor; and a first rack is welded to the inner wall of the rotating box, a gear is engaged with the position, located on the inner wall of the rotating box, of the first rack, a second rack is engaged with the side, away from the first rack, of the gear, and a rotating disc is welded to the side, away from the gear, of the second rack. According to the road construction inspection robot for asphalt pit filling, the rotating disc is adopted, the first motor rotates to drive the rotating box to rotate, the first rack in the rotating box drives the second rack through the gear, the second rack drives the rotating disc to rotate, when the first rack rotates by a circle, the second rack rotates by 90 degrees, and the rotating disc drives a station disc to rotate through a rotating shaft to achieve automatic operation of asphalt pit filling.