Upward hole blasting cartridge bag anti-backward-sliding fixing device

The utility model discloses an upward hole blasting cartridge bag anti-backward-sliding fixing device which comprises a positioning cylinder and an elastic piece located on the outer wall of the positioning cylinder. Wherein the positioning cylinder is used for supporting the cartridge bag, the cartridge bag is arranged at the top of the positioning cylinder and is upwards arranged in the blast hole along with the positioning cylinder, one end of the elastic sheet is fixed on the outer wall of the positioning cylinder, and the other end of the elastic sheet is obliquely and downwards supportedon the inner wall of the blast hole. The device is suitable for the non-coupling charging process of blast holes with different hole diameters; the problem that a cartridge bag for front-section charging slips back in the process that an upward hole is not coupled with charging is solved. The cartridge bag is positioned and fixed in the blast hole through the positioning barrel, the diameter of the positioning barrel is