High-safety oil tank truck

The invention provides a high-safety oil tank truck. The high-safety oil tank truck comprises a truck body and a tank body, the climbing ladder comprises two side rods and a plurality of horizontal rods horizontally connected to the two side rods, the side rods are L-shaped, and the tops of the side rods are hinged to the top of one end of the tank body; the supporting plate is horizontally arranged at the top of the tail end of the vehicle body; the hinging piece is hinged to the supporting plate, and the hinging piece has a first state and a second state; when the hinge piece is in the first state, the bottom of the side rod is fixedly connected with the hinge piece, and the bottom of the side rod and the hinge piece are vertical; when the hinge piece is in the second state, the bottom of the side rod and the hinge piece are inclined, the inclination direction of the hinge piece is opposite to that of the bottom of the side rod, and the free end of the hinge piece is fixedly connected with the side rod; the