Fan cable safety technical measures

Because the main and auxiliary fans of the 2238 auxiliary roadway and the main and auxiliary fan cables of the 2102 lane of the 2317 working face have been fired and deactivated, it is necessary to recover the upper well. In order to ensure the safe lifting of the fan lifting and the recovery of the fan cable, the safety technology is specially formulated. Measures.

Second, the construction organization

Project manager:

Security officer:

Technical director:

Third, the construction method

1, 2012 lane recycling fan cable construction process

1.1. When the cable is recovered in the 2102 lane, it is loaded by the infinite rope winch. When loading a car, you need to call the 2102 Lane outage report in advance.

1.2. First remove the cables to be recovered from the cable hooks and place them on the floor of the alley. After the shuttle car runs 10 to 30 meters (in the direction of the cable) beyond the cable head, the vehicle stops, and 1 or 2 people stand in the car and other people cooperate to install the cable on the vehicle.

1.3. Set up a special person to stand at the parking cable, and other workers stand (or walk) on the other side of the track 10 meters away from the special person (non-cable placement side).

1.4, start the winch with the lathe, run 10 to 30 meters parking. The special person always pays attention to the running condition of the vehicle and the cable dragging situation. If there is any problem, he will whistle and promptly stop with the lathe, and stop immediately with the lathe.

1.5. After the vehicle stops, 1 or 2 people will stand in the car and other people will cooperate with the cable that will exceed 10 to 30 meters of the shuttle.

1.6, the person standing in the parking place, the other workers station (or walking) on ​​the other side of the track 10 meters away from the special person (non-cable placement side). Special attention to the vehicle's operating conditions and cable dragging. It is strictly forbidden to stand in the range of cable dragging to prevent the cable from being mixed down.

1.7. Start the winch with the lathe and run 10 to 30 meters to stop.

1.8. Repeat the above steps to install all the cables on the vehicle.

1.9, if the cable outside the vehicle slides out automatically in the case of dragging, the parking process, the cable used with the vehicle # 8 iron wire bundle shares not less than 2.

2, 2238 auxiliary fan loading and transportation construction requirements

2.1 The recovery fan must be recycled using a fan-specific flatbed.

2.2 Before lifting the fan, the lifting position should be checked first to confirm that the roof coal is in good condition, the support is effective and reliable, and the safety can be lifted before lifting.

2.3. Before lifting the fan, check the lifting equipment to confirm that the lifting equipment is in good condition and can be used. Otherwise, it should not be used.

2.4. When lifting objects of less than 2 tons, the roadway can be used for permanent support bolts, but the quality of the lifting bolts must be guaranteed; for heavy objects of more than 2 tons, special lifting bolts must be constructed, and the quality of the lifting bolts must be guaranteed; The weight is connected by a chain, and the chain must be screwed. Anchor chains and links must be safe and reliable, and all screws used for lifting must be fully buckled.

2.5. When lifting, the old workers with unified command and experience, and the old workers with experience, there is no debris around the site to ensure a safe and retreat. In addition to lifting personnel, other personnel should stand in a safe place 2 meters away from the lifting equipment. The weight is not placed in front of a safe place, and it is not allowed to remove the hook to prevent dumping.

Fourth, the identification of hazard sources

1. The top of the construction site is not good, and the roof is hurting.

2. When the cable is taken, the cable falls off and hurts people.

3. When the cable is loaded, the mine car slips out and hurts people.

4. During the running process of the shuttle car, the cable is wound, the car is blocked, the roller is lifted, etc.

5. During the lifting process, the standing position of the personnel is improper, and the heavy objects fall and hurt people.

6. During the construction process, the finger dictation was not strictly enforced.

V. Safety technical measures

1. Before entering and leaving the vehicle during the shipment process, the transportation line should be inspected first to confirm that there are no safety hazards before the operation can be carried out.

2. The winch driver arranged throughout the shipment process must be an experienced full-time staff member, and ensure that the certificate is on duty. All transport personnel strictly follow the “Operational Regulations” and “Position Operation Standards”.

3. It is transported by JD-11.4kW small winch. The following inspections and preparations must be made before driving:

3.1 Checking the top support of the small winch installation site must be safe and reliable. There are no obstacles in the vicinity of the winch that hinder the driver from operating, and there is no messy foreign matter that affects the operation of the winch.

3.2 Check the installation and fixing of the small winch, the winch fixing should be stable and firm, and the anchor and base screws of each place should not be loosened.

3.3 Check the brake and clutch brake of the small winch, the operation should be flexible and reliable, the brake belt is complete without breakage, the wire rope requires no bending, no hard injury, no knotting, no serious corrosion, no broken strands, the wire rope is on the drum. The arrangement should be neat, without serious biting and climbing.

3.4 Check and test the winch signal and the sound and light alarm signal. The signal must have both sound and light. The sound is clear, accurate and reliable. It must be a two-way round-trip signal.

3.5 After all the above inspections are in compliance with the regulations, first open the empty car to test the operation, after normal, you can drive according to the signal command, otherwise you can not drive.

3.6 In the operation of the winch, the driver must operate after standing on the winch retaining rope. It is strictly forbidden to operate on the side of the winch or in front of the drum. It is strictly forbidden for the driver to drive in one hand and handle the winch rope in one hand.

4. All kinds of safety facilities (car stop, guide wheel, etc.) are set according to the regulations, complete and effective, and the vehicle is closed when the vehicle is not in use.

5. During transportation, the transportation section should ensure that “Pedestrians do not drive, do not walk, do not work”, and the squad leader sends a special person to the two sections of the transportation section and the station along the line to prevent people from entering the transportation section.

6. When the vehicle is running out of the way, after stopping, the multi-person cooperates with the unified command to work on the road. It is strictly forbidden to use the winch to pull the reset. It is forbidden to use the manpower to get on the road and strictly follow the "Regulations on the Administration of Handling Vehicles on Roads".

7. Strictly guard the sports car. It is strictly forbidden to fly the car. The number and length of the trailer are executed according to the rules of the winch plate. The connecting parts use standardized parts. It is strictly forbidden to use non-standard parts.

8. The car and the hook must be carried out after the vehicle has stopped. It is strictly forbidden to carry out the car.

9. In the place where there is no car stop, it is necessary to use the temporary stop device specified by the mine. The end of the track must have a reliable stop device and signal device, and the signal should be lifted and stationed. (Signal regulations: one stop, two ropes, three loose ropes, four slow ropes, five slow ropes).

10. When using the shuttle to recover the cable, the shuttlecock must be standing behind the shuttle when the shuttle is running, and the cable can be picked up after the shuttle stops.

11. During the operation, two people are arranged to stand on the shuttle and run 50 meters below the shuttle to avoid other personnel entering the operation site.

12. Strictly implement the finger-and-mouth method on the spot. Personnel must coordinate with each other to prevent accidental touches and other accidents.

13. All construction personnel must study this measure carefully and carry out the construction strictly according to the requirements of the measures.

6. Disaster avoidance route

1. Flood, fire, gas and roof disaster avoidance routes

2238 auxiliary lane→2012 lane→2101 lane→640南大巷→main inclined shaft→ground

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