I. Project Overview The 11A601 return air duct has a total length of more than 1200 meters. It is used for transportation of fully mechanized mining equipment and other materials. It is necessary to lay transport track in the slot and cut. The track gauge is 600mm and the pillow distance is 750mm. The switch uses the ZDK630/4/12 type. The paving adopts pine sleepers, and the track type and the 11-meter rail with the specification of 30kg/m; this measure is specially prepared to ensure safe construction and engineering quality. Second, construction preparation 1. Preparation: Prepare materials such as rails, sleepers, ballasts, rope pulleys, pressure rope wheels, road splints, car brakes, gauge bars, fishtail bolts, sleepers, etc., and use them after passing the inspection. 2. Gather the tools required for the construction, such as corners, a foot track, hacksaw, milling, picks, hoof, sledge hammer, wrench, chain hoists 3 tons, iron wire. 3, release line: contact with the production technology department, do a good job of the intersection of the track center line and waist line. Third, labor organizations 1. Construction time: early and middle work 2, safety person in charge: early shift: Yu Fuchao middle class: Wang Hongbo 3. Construction person in charge: Li Xiufeng 4. Personnel: 20 attendances Fourth, construction deployment 1. Management system V. Construction (step) measures 1. Wellhead loading 1 30kg/m rails and wooden sleepers are transported to the wind shaft wellhead with a 50-type tractor and an extended towbar (transport distance is 250 m). The weight of the track exceeds 250 kg and must be carried by an 8 ton crane. 2 track, wooden pillow loading (1) During long-track loading, the vehicle must be properly covered to ensure that the vehicle is fixed at the time of loading, and the rails are loaded by the crane according to the construction needs. (2) When loading rails and wooden pillows, the two ends of the vehicle and the two sides should be evenly proportioned so that the center of gravity of the track is at the center of the vehicle. (3) The loading must be firm. The flatbed should be modified. It should be installed in two layers when loading. Use the wooden side to be solid on the lower and both sides. Use 1# wire twice to tighten from the end of the pipe, then use two 3 tons of hands. The hoist and the 3m φ15.5 wire rope buckle securely seal the rails and wooden pillows on the vehicle. Since the wind shaft has a slope of 35°, the height of the rail loading is required to be no more than 1 meter and the load is not more than 1 ton. 2. Underground transportation 1 Downhole preparation Report to the mine dispatching, unified deployment of materials to transport downtime. 2 oblique wind well transportation Strictly execute the winch driver and signal hook operation procedures. Before the inclined lane is transported, the upper and lower detours will carefully check whether the material car is closed, whether it is eccentric, whether it can pass through the car in the inclined lane, etc. If problems are found, timely treatment, and after the treatment is safe and reliable, then transport . 3 lane transportation After the track is transported from the inclined wind well to the 933 flat alley, many people must be in the flat road cart. The personnel should push the cart at the tail of the long track and push the most prominent track end. It is strictly forbidden for the personnel to stay in the long-term range on both sides of the rail car. When carrying a long track, 50 meters away from the long track, one person must explore the road, clear the roadblock in advance, move the ballast, and notify the carter when turning or aisle, laneway, and damper. Pay attention to slow movements, and at the same time, prevent people coming in from the car in time, and inform them to give way. There must be someone to guard against the back of the rail car to prevent people and cars from chasing the tail. 4 dump truck (1) When the car arrives at the place, it is necessary to clean the site first to facilitate the smashing and yarding of the track. (2) The car must be properly covered to ensure that the vehicle is in a fixed position when unloading. (3) The long track should be equipped with sufficient personnel, and the person should be commanded. If one head starts first or one head first, it must not be slammed. For heavy long track, someone should shoulder and shoulder. (4) When unloading, personnel should be at the front and rear ends of the vehicle and should not stand on both sides of the vehicle. (5) In the process of unloading the truck, it should be unloaded and adjusted in time to prevent the vehicle from injuring people. 3, track installation 1 positioning release line The track center line is provided by the Mine Production Technology Section, and the rail top elevation is referenced to the roadway waist line construction. 2 Place the wooden pits along the center line of the track and place the sleepers. The track pitch of the road is 30kg/m, the rail type is 750mm, and the pitch of the track joint is 600mm. The depth of the pit is the thickness of the sleeper. Individual bottom plates are not flat, yin and yang, and are flattened by milling and boring. There are 3 single-track nails (two on the outer side of the rail, one on the inside; six on each sleeper); one gauge is placed every three meters. 3 Complete track: Each track is laid to adjust the track joint according to the quality requirements. The straight track must be docked, and the track segment track is not less than 2m. When short track is used, the length of the short track shall not be less than 3m. 4 When the floor undulation is relatively large, it is not allowed to make a bend or a hard bend. It is necessary to add a vertical curve transition at the slope point. The vertical curve radius must not be less than 20m. 5 Dial and adjust: According to the center line, every 10 roads should be dialed once. The track should not deviate from the center line by 50mm to ensure the line is straight and level. When dialing the road, care should be taken not to make the rails drift too far upward. 6 Lay the ballast and set the position according to the drawing. (The switch installation refers to the drawing parameters) 7 Install safety features, including the car stop, the rope pulley, and the pressure pulley. 8 After the completion of the construction, the finished materials are clean. The floating coal and vermiculite cleared from the falling wood pit are leveled between the sleepers and the large pieces of meteorites are loaded. Sixth, quality standards 1. Track quality: (1) The spacing of the track joints shall not exceed 5 mm, and the internal error shall not exceed 2 mm; (2) The components are fully enclosed and effective; (3) The joint is suspended, the straight line of the joint is docked, and the error is not more than 100mm; (4) Gauge; the straight section is 600 mm and the curved section is 620 mm. The allowable deviation is not more than 10mm and not less than 5mm. (5) Laying the same vertical curve on the upper and lower slope points. (6) The direction conforms to the standard, and the vision is straight and there is no hard bend. (7) The quality of the sleeper is qualified, and the sleeper at the joint has no failure. (8) The road nail is complete and effective, and does not float. 2, the quality of the ballast: (1), the components are complete, the sleeper has no failure phenomenon; (2) The turning point rail is flexible, and the distance from the basic rail is not more than 2mm. The position of the curved rope groove is suitable, and the rope running phenomenon does not occur in normal operation. (3) A qualified switch must be used. (4) The track gauge of each point must meet the requirements of the ballast quality standard. (5), the ballast plate of the ballast and the connecting parts are oiled to ensure flexible operation. (6), the flat tie rod and the tip of the cymbal are connected by a connecting pin, and the open pin is locked. 3, car stop: (1) Strictly install the car stop device in the parking lot or the hanging ring parking position according to the design requirements; (2), the car stop is intact and the action is flexible; (3) Operate the handlebar on the side of the pedestrian or the spacious side of the safety clearance. (4), the fixed must use the matching qualified platen, bolt fixed, the car, the pressure plate and the rail are all connected by bolts, and the bolts are not loosened. (5) The pipeline of the wind-driven vehicle shall be hung horizontally and vertically. The height of the rail shall not be less than 1.8m. The wind control valve shall be installed and the signal room; the switch of the wind switch shall be installed and the lane. The rail surface is 1.0m and the pipeline is vertically suspended. All exhaust ducts are fixed and the floor of the alley is prohibited, and the exhaust ducts are strictly prohibited from facing the operator. 4, the rope wheel: (1), the rope wheel and the rail are vertical, the wheel ears are in the fixed groove, and the rotation is flexible and the frame is not fixed; the frame and the track are firmly fixed, and the pressure plate is pressed and compacted; (2) The slope point at each place shall not be less than 3 groups; (3) The inclined lane section with the same alley and slope, the spacing of the rope sheave is not more than 20m; (4) The installation pitch of the full-line pallet wheel ensures that the traction wire rope does not wear the sleeper while satisfying the requirements of (2) and (3) above. 5, the pressure rope wheel (1) The pressure rope wheel is fixed and fixed, and the rotation is flexible; (2) The traction rope wheel must be installed at a height of 150mm above the rail surface of the traction wire rope. The number of installation: a, alleys and slopes with the same slope, the effect of the pressure rope is installed. b. In the downward slope point of one-side uphill slope, when the slope changes below 5 degrees, no less than 2 sets are installed in each place; when the slope changes above 5 degrees, 3 sets are installed in each place. c. Set up no less than 3 sets in the downhill slope of the two sides. Seven, security measures 1. The orbital workers must have the conditions for employment and the standards for employment. Apprentices are not allowed to work independently without technical training. 2. Seriously do a good job in technical disclosure, make a good record, and do not participate in the construction without the basics and various technical requirements, and the safety requirements are not clear. It must be supplemented and re-learned, and implemented by the foreman to make the foreman familiar. Direct construction. 3. When using winch transportation to improve, you should pay attention to the following items: (1) The winch driver must be certified to work. First check whether the winch brake, winch foundation, wire rope, rope, signal, red light, etc. are intact, and the winch is operating normally. (2), the signal must be hooked to the wire rope hook head, insurance rope, large ring, pin, car blocker, mine car meet, seal situation, signal check once. (3) When the inclined lane is raised, the system of “no pedestrians, no pedestrians, no homework†is strictly enforced, and personnel are strictly prohibited. (4) Before hooking, the hooker must check the number of tractors, the connection and loading of each vehicle. If the number of tractors exceeds the regulation or lifting capacity, the connection signal is strictly prohibited when the connection is poor or the loading material is overweight, super high, super wide, or the eccentric load is seriously dangerous. (5) When hooking the hook, it should be operated on the side of the pedestrian or on the side with large safety clearance. The foot is strictly prohibited from stepping into the center of the road or the rail. 4. When the manual cart is used, the following regulations must be observed: (Article 362 of the Coal Mine Safety Regulations) (1) Before the cart, it is necessary to check the loading and closing conditions of the pushed vehicle and the center of gravity of the vehicle. If the vehicle is not secure and the loading is unqualified, the vehicle must be reinstalled and the requirements must be met. (2) Only one car can be pushed at a time, and it is strictly forbidden to push the cart on both sides of the mine car. (3) When you stroll, you must always pay attention to the front. When you start to cart, park, get out of the way, find someone or obstacles in front of you, down the cart from a steep slope, and close to the exit of the ballast, corner, roadway, damper, and diverticulum, the cart must be timely Issue a siren. (4) It is strictly forbidden to fly the car. (5) When the slope of the roadway is less than or equal to 5‰, the distance between the carts shall not be less than 10m. When the slope of the roadway is greater than 5‰ and less than 7‰, the distance between the carts shall not be less than 30m. When the slope of the roadway is greater than 7‰, the manual cart is strictly prohibited. . (6) When pushing the skip truck, the cart person should avoid the skipping of the skip at the bend and prevent the crushed personnel. 5, transport and recovery of rails and other long materials application of large float loading, and placed neatly, each rail shall not exceed: 30kg / m (length 9 meters) rail is 180 meters, material mixing is strictly prohibited. The transport loading and unloading personnel should be familiar with the section, slope and surrounding conditions of the line, prevent the center of gravity from shifting during loading and unloading, and the pipelines and torsion of the inclined lanes and the scratching lines. The sealing application shall be not less than φ15.5mm, and the rope cover shall be fitted with the front and reverse fastening bolts to seal the car. The sealing rope shall be no less than two, the fastening is effective, and the rail and the road are not swayed. 6. When loading and unloading materials, there should be enough personnel to hold it up smoothly. It is strictly forbidden to throw and fall. Stacking should be neatly arranged, and the protruding part should be no less than 0.5 m from the outside of the track. The loading rope should be tightly tied and fastened. When loading and unloading with a crowbar, you should let the unrelated personnel avoid it. It is strictly forbidden to forcefully throw it and throw it to prevent injury. 7. The materials must be commanded by a special person, and the operators should follow the instructions and use the same force to make independent security. 8. Before starting work, first check whether the tools used are complete and in good condition. 9. Before the staff enters the construction site, a special person must check the support of the roadway to confirm that there is no safety hazard before entering the construction site. 10. When removing the vermiculite with a drill and a hammer or removing the bolt with a hammer, the palm of the hand should wear protective gloves, and the hammer should not be allowed to wear gloves when operating, and it is not allowed to be brazed with the palm. Stand in a straight line to prevent the hammer from hurting people. The hammerer should pay attention to the surrounding environment to prevent accidents. 11. When paving or adjusting the road, the hands or feet of the operator are not allowed to protrude into the bottom of the rail and under the sleeper. 12. When docking the rails, at the rail joints, two (overlaid) rails should be padded with wooden boards in advance, and it is strictly forbidden to dig into the joints or insert joints. 13. When nailing the nail, the nail must be planted upwards, firmly stabilized with a hammer, and then nailed in again; prevent the hand or the spike from collapsing and hurting people. It is strictly forbidden to straighten the rails on the rails or at the rail joints. 14. During construction work, all tools are not allowed to touch electrical equipment such as cables and telephone lines. 15. When hand-saws are used, the rail pads to be sawed are smooth and square, and the full-section saw rails are not allowed to be inspected by hand. 16. When working with crowbars or braces, pay attention to your hands and feet in the direction of operation. 17. When using the axe to cut the bolt, the personnel should avoid the direction of the bolt missile. 18. When using the mechanical bender, the rail to be processed is placed smoothly and the bottom of the rail is downward; the curve bender should be flat and stable, and the two hooks firmly grasp the rail; the screw is used to screw the screw, two people Use even force, do not use too much force, and pad the bumper to prevent pressing. Precautions for using hydraulic bender: (1) Before operation, first tighten the oil drain valve stem, hook the bender hook to the side of the rail head, the piston head against the other side of the rail head, and then turn the eccentric handwheel, ie The rail bender can be caught on the rail. (2) Before the pump oil is loaded, first check the position of the rail bender on the rail, the rail bender should be flat, the bottom surface of the hook should be close to the top surface of the rail, the hook and the eccentric wheel and the piston head at both ends It needs to be in good contact with both sides of the rail head. (3) During the bending process, the pump oil action should not be too fast, and the eccentric hand wheel is not allowed to rotate during the loading process; when unloading, slowly open the oil valve stem. 19. When transporting with an endless rope winch, the following items should be noted: (1) The driver of the infinite rope winch must be certified to work, concentrate on it, and it is strictly forbidden to leave the post, and listen to the signal before driving. (2) Before driving, special personnel must be arranged to check whether the winch brake, winch foundation, wire rope, signal, red light, safety facilities, etc. are in good condition. Whether the winch is running normally or not is prohibited. (3), the signal must be hooked to the small sports car, the big ring, the pin, the car, the mine car, the car, the signal check
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Construction Design of 11A601 Returning Wind Track Track Construction