Air bag type curtain leakage plugging device and method

The invention relates to the field of constructional engineering, in particular to an air bag type curtain leakage plugging device and method. The air bag type curtain leakage plugging device comprises a storage hopper, a positioning mechanism, a driving mechanism, a drill bit, a drill rod and a grouting head, wherein the drill bit, the drill rod and the grouting head are sequentially connected; the positioning mechanism comprises a connecting sleeve shell and a positioning cone, the connecting sleeve shell is provided with a containing cavity, the connecting sleeve shell is provided with an inner diameter and an outer diameter, and a positioning hole communicating with the containing cavity is formed in the outer surface of the outer diameter; the positioning cone can extend out of or retract into the containing cavity relative to the positioning hole, the driving mechanism is used for driving the positioning cone to move, the positioning cone is provided with a tip end, and the tip end of the positioning co