Mar 15, 2023
1. Prepare the rock drilling cavern. The cavern specification can be determined according to the drilling method. Generally, the cavern height is 2.6-2.8 meters when drilling horizontal holes, and the cavern width is 2.5 meters and the height is 2.8-3 meters when drilling upward, downward or inclined holes.
2. Lead the gas-water pipeline and lighting line to the vicinity of the working face for use.
3. According to the requirements of hole design, the pillar shall be erected firmly. The upper and lower ends of the pillar shall be padded with wood plates, and the horizontal shaft and snap ring shall be installed on the pillar according to a certain height and direction. The machine shall be lifted by the hand winch, fixed on the pillar according to the required angle, and then the hole direction of the drill shall be adjusted.
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