Fire pump truck

The utility model discloses a fire pump truck, which relates to the technical field of fire pump trucks and comprises a fire pump truck body, a water inlet joint is mounted on the side edge of the fire pump truck body, a water outlet joint is mounted at the top end of the fire pump truck body, and a butt joint pipe is connected above the water outlet joint through a flange plate. An inserting pipe is inserted into the butt joint pipe, and the outer side of the inserting pipe is sleeved with a connecting ring. The telescopic pipe and the supporting mechanism are arranged, in the using process, the telescopic pipe and the supporting pipe are matched with each other, the water outlet length can be adjusted, therefore, the distance between the supporting pipe and a river or a lake can be effectively reduced, sprayed water can be effectively prevented from being scattered to the shoreside, the connecting ring and the clamping rod are arranged, and in the using process, in the using process, the water outlet length