Road marking structure

The utility model discloses a road marking structure which comprises a vehicle frame, a paint spraying pressure tank is arranged at the top of the vehicle frame, a valve is arranged at a discharging port in the side face of the paint spraying pressure tank, a material conveying pipe is communicated with a discharging port of the valve, the bottom end of the material conveying pipe extends to the bottom of the vehicle frame and is communicated with a nozzle, and a cover body is arranged at the bottom of the vehicle frame through a connecting piece. Adjusting plates are rotatably connected to the left side and the right side of the top of an inner cavity of the cover body, the side faces of the adjusting plates are attached to the inner wall of the cover body, mounting bases are fixedly connected to the side faces of the adjusting plates, connecting rods are rotatably connected to the side faces of the mounting bases, and telescopic rods are fixedly connected to the inner walls of the left side and the right si