Road drilling machine

The utility model relates to the technical field of road drilling machines, and discloses a road drilling machine which comprises a fixing plate, a water tank is fixedly connected to one side of the bottom face of the fixing plate, a dust removal assembly is connected into the water tank in a sleeved mode, and an electric hydraulic rod is fixedly connected to the other side of the bottom face of the fixing plate. A drilling assembly is fixedly connected to the bottom face of the electric hydraulic rod, and damping assemblies are fixedly connected to the bottom face of the fixing plate in a rectangular array mode. According to the road drilling machine, through the arrangement of the dust removal assembly, when the ground is drilled, a water suction pump is externally connected with a power source, clear water in a water tank enters a water drainage pipe through the water suction pump and then is sprayed out from a spray head connected with one end of the water drainage pipe in a penetrating mode, and the spra