Protection device for tank head of tank truck

The invention discloses a protection device for a tank head of a tank truck, and relates to the technical field of heads. The device comprises a tank head body. A mechanism for absorbing impact energyis arranged on the outer wall surface of a tank head body and comprises a cover shell, H-shaped steel and double-web II-shaped steel, the cover shell is arranged on the outer wall of the tank head body, the H-shaped steel is arranged in the center of the space between the tank head body and the cover shell, the double-web II-shaped steel is arranged at the position, close to the edge, of the tankhead body, and grooves are formed in the positions, at the corresponding heights, of the opposite surfaces of a left web and a right web in the double-web II-shaped steel. By adopting the technical scheme of the protection device for the tank head of the tank truck, the impact energy of the storage tank on the condition of sudden stop of the tank truck during high-speed running can be absorbed through the mechanism for ab