1. The operator must know the structure and performance of the rock drill, and be familiar with the operation and maintenance methods, otherwise it is not allowed to operate alone. 2. Rock drillers are forbidden to drink before rock drilling. Wear safety helmets and tight work clothes, and check the sealing conditions of wind and water pipes. 3. During construction, the pressure of compressed air must meet the requirements of rock drill. 4, rock drilling work must adopt wet operation, it is forbidden to dry drilling, it is strictly prohibited to work in the case of dust amount beyond the national standard. 5. When drilling holes, the air door should be turned down, so that the eyes of the brazing people can't face up to the orifice, so as to avoid eye injury caused by rock powder. 6. When spudding, check whether there are any unstable rocks around, and the operator should stand sideways before and after to prevent the broken brazing from hurting people. In the process of rock drilling, the axial thrust of the drill bit, drill rod and rock drill should be maintained at all times. During operation, the personnel should stand on one side of the rock drill, do not press the rock drill with their bodies, do not ride the rod for rock drilling, and keep their hands away from the air door of the drill. Always observe the surrounding rock of the working face and stop drilling immediately if any abnormality is found. 7. When drilling a horizontal hole, it is forbidden to use the chest to resist the pneumatic drill. No one is allowed to stand in front of the borehole. 8, it is forbidden to play the old hole, no matter the depth are not allowed to play again. 9. When replacing the steel drill, close the feng shui valve to prevent the rig from rotating. 1. When the drilling rig stops working, close the feng shui valve first, and then unload the feng shui pipe. 11. When blowing the blast hole, use the revolving valve for the blast pipe, and pay attention to whether there are people around. When there are people, please inform them before opening the air valve to avoid the gravel from hurting people. It is forbidden to blow holes by folding the air duct in half to stop the wind. 12, should always pay attention to observe the stability of roadway roof rock, such as abnormal phenomenon, should immediately quit. 13. Rock drillers should grind the drill bit frequently. When grinding the drill bit, they should first check whether the grinding wheel is in good condition and normal operation. After wearing protective glasses, the drill bit can only lean on the grinding wheel lightly, not too hard, and the drill bit is upward, which shall not be lower than the center line of the grinding wheel. Personnel should stand on the side of the grinding wheel.
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