Blast hole quick plugging structure for blasting

The quick blasthole plugging structure comprises a plugging outer shell, a plugging inner shell is clamped into an opening of the plugging outer shell, a locking assembly is arranged on the plugging outer shell, and an energy absorption assembly is arranged in the plugging inner shell. According to the quick blasthole plugging structure for blasting, a circular truncated cone structure is formed in a mutual insertion mode, the narrow opening end is inserted into a blasthole, along with the increase of the insertion depth, the circular truncated cone slowly plugs the blasthole, after the blasthole is plugged, the quick blasthole plugging structure is connected with a mountain through the expansion bolt, the connection firmness is improved through the expansion bolt, and the nut is clamped in the nut seat; the energy absorption spring is arranged in the guide inner cylinder and the guide outer cylinder, is connected with the plugging outer shell and the plugging inner shell, and is used for absorbing impact for