Road construction maintenance device

The utility model relates to the technical field of road construction maintenance equipment, and provides a road construction maintenance device which comprises a supporting bottom plate, idler wheels are fixedly connected to the four corners of the bottom of the supporting bottom plate, a fixing rod is fixedly connected to the surface of the top of the supporting bottom plate, and a stress plate is fixedly connected to the surface of one side of the fixing rod. The surface of one side of the stress plate is movably connected with a pressing plate through a rotating shaft, the surface of the side, close to the stress plate, of the pressing plate is fixedly connected with a reset spring, one end of the pressing plate is fixedly connected with extension rods, the opposite side surfaces of the two extension rods are movably connected with a pressing roller through a rotating shaft, and the surface of the top of the fixing rod is fixedly connected with a guide box. A threaded rod is arranged in an inner cavity of