Mainly divided into the following cases 1. Preparations for roadway and upper level (including gentle slope) roadway excavation are as follows: (1) First connect the water rope (rock drilling water supply pipe), wash the working surface with water, eliminate dust and residual gun smoke; (2) Carefully dispose of the top board and the two sets of pumice ; (3) Handling the residual blastholes of the previous working cycle. If there are detonators and gunpowder in the blasthole, it must be thrown out. Do not use the pressure to forcibly purge; (4) Align and draw the center line and waist line of the roadway to ensure the design direction and slope requirements of the working face; (5) moving the rock drilling equipment, the drill bit, the drill rod and the auxiliary tool to the working surface, filling the rock drill with the lubricating oil, installing the drill rod on the drill head and arranging the drill tail upwards in a convenient place for changing the brazing; (6) Connect the wind pipe and pull it to the rock drilling site, blow off the air and blow off the dirt and water entrained in the air, adjust the water supply pipe, and then connect the wind pipe to the rock drill ; (7) Slight drilling test rock drill, gas leg and other devices. After everything is normal, rock drilling can be carried out. 2. Preparations for tunneling the patio (including the inclined patio) with wooden bracing are as follows (1) First of all, do the same preparatory work as in the horizontal roadway excavation; (2) Check whether the wooden partition and the foot board are firm and complete; (3) After the wind pipe is pulled to the working surface, it should be tied to a firm place with a rope to prevent it from falling off when rock drilling, breaking the machine or injuring people; (4) The drilling of the abutment requires the use of a group of drills. Therefore, when preparing the drill rods, the drill heads of different diameters should be installed according to the length of the drill rods, so that the drill rods can be changed from short to long and the drill heads are changed from large to small. Brazing. 3. Preparations for tunneling into the patio using the hanging tank method are as follows (1) Carefully check whether the structure of each part of the hanging tank is in good condition, and conduct the action test on the safety cover plate and the supporting cylinder, and ensure that it is safe and reliable; (2) Pushing the hanging tank to the lower mouth of the patio, informing the upper winch driver to lay down the wire rope and the signal wire, and after checking to confirm the damage, connect the wire rope to the hanging tank; (3) Mounting the rock drill, the drill bit, the drill rod, the auxiliary tools and the air pipe in the hanging tank; after lifting the hanging tank to the rock pile, the operator goes up to the hanging tank, and lifts the safety cover to confirm everything. Properly, then lift the cans; (4) When the lifting tank is in the process of lifting or reaching the working position, the pumice should be carefully treated first; when the pumice is treated, it should stand under the safety cover; (5) When the hanging tank is working at the working place, the folded side panels should be laid down to form a working platform, and the horizontal supporting cylinders should be supported to fix the working platform. 4. Preparations for tunneling (or inclined shaft) are as follows (1) Inspect the reliability of the well and the upper safety equipment in detail, and ensure that no objects are dropped in the upper part during operation; (2) Accurately hoist the center line of the wellbore, set the eye position, determine the number of blastholes, and drill the rock to ensure that the wellbore is digging along the design direction; (3) In the wellbore with water inrush, the accumulated water in the working face shall be drained and the rock bottom shall be exposed to carry out rock drilling; (4) Reasonably divide the work area, and put the machines and tools used by them, and confirm that everything is properly sent to the feng shui to start rock drilling. Anti-slip Stainless Steel Plate
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