Multifunctional large-aperture static efficient blasting auxiliary device

The invention provides a multifunctional large-aperture static efficient blasting auxiliary device. The multifunctional large-aperture static efficient blasting auxiliary device comprises a main body and a blocking component, a blocking component accommodating cavity is formed in the upper part of the main body, and at least one clamping structure is arranged between the main body and the blocking component and is used for fixing the blocking component in the main body; an air bag is arranged at the lower part of the main body, a solution is filled in the air bag, and the air bag is sealed and is used for assisting in blocking a punched hole; the air bag has a first state and a second state, the air bag expands in the first state, the air bag extrudes surrounding expanding agents, and the friction force between the device and the hole wall is enhanced; the air bag is contracted in the second state; the main body and the blocking component are both cylindrical, and the blasting guiding and blocking effects of