ã€China Deep Hole Rig Trading Network】 Drilling site construction First, according to different types of drilling rig construction drilling rig specifications According to the drilling design (depth, inclination, direction), use the rig type and on-site construction conditions to determine the drilling site specifications. The drill field is generally 4 meters wide and can be semi-circular or trapezoidal. According to the design requirements, detailed inspection and acceptance shall be made for the specifications, dimensions, support conditions, sedimentation tanks, and sink construction conditions of the drilling site. Check whether the channel of the work site is clear. It is also necessary to check the setting of the gutters and evacuation routes in drilling and water drilling. The drill site must be tightly backed up, with strong support and no powder leakage or mass loss. Permanent drilling can be used for permanent support. If the depth of the hole is more than 150 meters, the beam must be made of I-beam. The depth of the Tiancheliang field shall not be less than 300mm on each side. The contact portion of the underside of the beam yard with the crown beam shall be leveled with cement. The crown beam shall be secured with wooden wedges or cement, and the sitting crane shall be provided with a safety baffle. The overhead crane must have a safety rope. Second, the drill site water supply, ventilation, power supply, drainage requirements Drilling should be preferred when the hydraulic powder discharge process. When drilling, connect the water pipes through the three-way valve, start the water first when drilling, and no water drilling is allowed. The water supply pressure must always be maintained above 2.0 MPa and the flow rate should be greater than 20 m3/h to ensure that the power is discharged. When drilling, the amount of air in the drilling site must not be less than 40 cubic meters/min. The rig power supply achieves wind power blocking and is in the power off control range of the gas sensor in the roadway. Drilling drill field must install gas sensor and carbon monoxide sensor (or suspend CO portable instrument), and achieve gas electrical lockout, drill drill person carrying a portable gas alarm instrument, and the portable instrument hanging at a distance from the head less than 5 meters wind tube On the other side, from the position of not less than 200 mm from the support and not more than 300 mm from the top, close attention shall be paid to the change of gas and non-wind and gas overrun operations shall be strictly prohibited. The security inspectors inspect the gas according to regulations, strictly implement “three inspections, three reports†in each class, notify the on-site employees of each inspection data, and hang the gas inspection board. Before exploring the water and drilling, drill the bottom of the drill as much as possible, and roll the bottom if necessary. The sink in the drill yard should be well connected with the sink in the tunnel so that the flowing water can flow out smoothly. When the water in the borehole is large, the gushing water in the borehole can be filled with a hose so that the water flows out of the pipe. Equipment installation First, the rig installation requirements 1, site requirements smooth, solid, abutment wood flat. Drilling rigs, pumps, and motor installations are stable and solid. The pulleys are parallel to each other, the belt is perpendicular to the axis of the pulley, and the screws of each part are tightened. 2. Strictly follow the drilling design direction and dip angle, and the center of the vertical axis of the drill rig and the center of the hole and the lifter's focus point are in a straight line. 3, safety facilities such as guards, belt railings, safety rails and other work platforms to be fixed. The thickness of the floor should not be less than 50mm, and the thickness of the worktable plate should be 60--75mm. The board should be free from knots and decay. 4. The installation equipment is supported by wooden pillars (the diameter of the wooden pillars must not be less than 15cm. Friction pillars or hydraulic props can also be used) to prevent the rig from moving. 5, start the switch in a dry place, cable hanging neatly, the operating button is fixed in a convenient place away from the front of the car, special tools and pipe placed, drill site to keep clean. Second, electrical equipment and drilling equipment placement requirements Underground drilling rig electrical equipment to be explosion-proof, and should comply with the requirements of the coal mine safety regulations, construction cables and lighting lines, must be hanging in the roadway two gangs, are not allowed to open the door or motor joints. When installing or repairing electrical equipment, it must be operated in accordance with the relevant provisions of the coal mine safety regulations. In the event of a power outage during drilling, the power should be turned on immediately, and the drilling tool should be manually referred to a safe place. After starting the motor, pay attention to the operation, sound, temperature is normal, if found abnormal must immediately stop the rotation for inspection, not sick run, play level and drill holes, or work site with water, use waterproof glue or other Something will cover the motor to prevent the motor from getting wet. The drill pipe should be neatly placed on the drill pipe support, and other tools should be neatly placed in the tool box. For more information, please pay attention to the China Deep Hole Rig Trading Network () Rice Mill,Rice Mill Machine,Rice Grinder Machine,Small Rice Milling Machine Hunan Nongyou Machinery Group CO.,LTD , https://www.harvesterequipment.com