Safety protection device for hydrogen transportation

The utility model belongs to the technical field of hydrogen transportation, and particularly relates to a safety protection device for hydrogen transportation, which comprises a base, a transverse plate is arranged in the base in a sliding manner, a lower clamping seat is fixedly mounted on the transverse plate, two threaded shafts are rotatably arranged on the lower clamping seat, the outer sides of the two threaded shafts are sleeved with the same upper clamping seat in a threaded manner, and the upper clamping seat is fixedly mounted on the transverse plate. The bottom side of the transverse plate is fixedly provided with a plurality of damping rods and a plurality of first buffer springs, the damping rods and the first buffer springs are fixedly arranged on the inner wall of the bottom side of the base, the bottom side of the transverse plate is fixedly provided with a vertical rod, and the bottom end of the vertical rod is fixedly provided with a clamping plate; and a fixed frame is fixedly mounted on t