Air bag type quick leaking stoppage device suitable for high water pressure and large water flow

The invention relates to an air bag type quick leaking stoppage device suitable for high water pressure and large water flow, which comprises a leaking stoppage air bag, the leaking stoppage air bag comprises an inner container and an outer container to form an inner-outer double-container double-layer structure, the leaking stoppage air bag is fixedly connected between a lower flange plate and an upper flange plate, and the lower flange plate is connected with a structural rod assembly. The structure rod assembly comprises a main structure rod, a gas guide pipe and a flange connecting piece, the top of the main structure rod is in threaded connection with a lower flange plate, the main structure rod is connected with the gas guide pipe, the gas guide pipe is connected with an external high-pressure gas storage steel cylinder, and the main structure rod is sleeved with a two-way thread rapid locking mechanism. The three supporting rods of the two-way thread quick locking mechanism abut against the ship plate,