Mine blasting structure and blasting method thereof

The invention discloses a mine blasting structure and a blasting method thereof, and aims to solve the problem that the inner diameter size of an existing explosive mounting cylinder is fixed, and the use requirements under more conditions cannot be met. According to the technical scheme, the device is characterized in that the device comprises an explosive installation cylinder, the explosive installation cylinder comprises a bottom plate and cylinder bodies arranged on the bottom plate, the ends, away from the bottom plate, of the cylinder bodies are provided with cover plates capable of being opened and closed, the cylinder bodies on the two sides each comprise a plurality of arc-shaped pieces, and the arc-shaped pieces define a hollow cylinder; the multiple arc-shaped pieces are all connected with the bottom plate in a sliding mode, a driving device used for driving the arc-shaped pieces to move is arranged on the bottom plate, a folding piece is arranged between every two adjacent arc-shaped pieces, and