Gun hole charging and plugging device
A blasthole charge and blasthole technology, which is applied in blasting and other directions, can solve the problems that air spacers cannot be used, the blasting effect is not ideal, and it is difficult to couple the charge, so as to reduce the cost of explosive consumption and reduce the workload of workers , the effect of reducing the output rate
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[0034] like Figures 1 to 6 As shown, a gun hole charging and blocking device includes a disc 1 and a head rod 2 that is detachably connected to the disc 1 . The disk 1 includes a tray 11 , elastic and flexible fins 3 disposed around the outer wall of the tray 11 , and a central through hole 12 disposed in the center of the tray 11 . The diameter of the tray 11 is 1 / 2 to 2 / 3 of the diameter of the blast hole 5 . The diameter of the central through hole 12 is smaller than half of the diameter of the tray 11 .
[0035] The outer edges of the fins 3 are arc-shaped and can fit with the wall of the blasthole, and the outer diameter of the fins 3 is slightly larger than the diameter of the blasthole 5 . The fin 3 includes a plurality of 4-8 single-wing wings 31 arranged at intervals, and the single-wing wings 31 are fan-shaped. The longitudinal section of the single wing 31 is arc-shaped, and the connection between the single wing 31 and the outer wall of the tray 11 is higher th...
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