Tank body structure of tunnel double-end fire fighting truck

The utility model relates to the technical field of fire fighting trucks, and particularly discloses a tank body structure of a tunnel double-end fire fighting truck. The tunnel double-head fire fighting truck comprises an auxiliary frame arranged on one side of a truck head, a box body is arranged on the auxiliary frame, a pipeline pump room is arranged in the box body, and the tank body structure comprises a first tank body and a second tank body; the first tank body and the second tank body are connected with each other and are fixed on the auxiliary frame; the first tank body is positioned between the vehicle head and the pipeline pump room; the second tank body is positioned above the pipeline pump room; a supporting plate is arranged on the outer side of the first tank body or/and the second tank body and fixedly connected with the inner wall of the box body. According to the scheme, the tank body structure adapts to the vehicle type position space matching working condition of the tunnel double-end fir