First, the way of decentralization:

The decomposition method is used to decompose it, and the size pieces are separately lowered.

Second, the order of decentralization:

1. First put down a small piece of 1t or less, and after each operator is skilled in operation, lower the other parts in order of small to large.

2. After loading the vehicle, fasten the lowering parts with steel wire rope to prevent sliding. Protect equipment from damage and scratches when tightening.

3. For the hydraulic system and piping parts, the lubrication parts such as bearings and tile sleeves must be wrapped with plastic cloth or towel to prevent dust and small-diameter coal blocks from entering.

4. Small items such as pins and bolts should be packaged and shipped with the corresponding decomposition parts.

5. Electrical equipment is covered and wrapped with plastic film.

Third, security technical measures:

(1) Decentralized safety technical measures:

1. Strengthen on-site safety management and strictly implement the improved transportation management system.

2. Lifting crane drivers, in-situ and down-signers must be certified to work, stick to their posts, and work conscientiously and responsibly.

3. Before the driving, all kinds of workers should carefully check whether the protection devices, braking devices, connecting devices and signal devices within their respective scopes of responsibility are perfect, sensitive and reliable. When you find the problem, report it to the mine leader immediately.

4. The wellhead will be hooked. For each item to be placed, it must be strictly checked to ensure that the bundle is qualified before being released.

5, various objects must be strong banding material truck, than 3m long objects, the front and rear with equal importance, to prevent accidents back forward, bundling material with # 8, # 10 iron wire, rope 7mm, Φ28mm × 70mm spacer take-bis Bolt (one end with Φ28mm ring), two-way tension hook.

6. Each time the bundle is loaded, the loading personnel must obey the on-site leader and the upper and lower hooks to command the hook. After the crane stops, the upper and lower materials can be carried out. The crane is strictly forbidden to stand. The material truck must be carefully and carefully tied. an examination.

7. Before decentralizing, first check whether the minimum clearance between material length, wide-distance well wall, tank road beam and shaft wall is safe, and whether it meets the requirements of Article 387 of the “Safety Regulations for Coal Mines”. The hook worker has the right to stop the decentralization.

8. Each time the vehicle is lowered, the speed must meet the requirements, and it should be kept stable. The speed of the vehicle should be lowered evenly. It is strictly forbidden to violate the rules such as overspeed and sudden braking.

9. When the object is lowered, it is strictly forbidden for anyone to move under the boom.

10, wellhead signal workers, crane drivers, must concentrate on thinking, signal should be accurate, if there is an unclear signal, the crane driver must be used as a parking signal, to be able to drive after listening to the signal.

(2) Safety measures for getting off the vehicle and transporting underground materials:

1. Unload the item after it has been placed in place to start unloading.

2. When transporting underground, it is strictly forbidden to pedestrians in the transportation lane.

3. The winch of each part is installed stably, and the ground anchor and pressure column are complete and reliable.

4. When the upgrade is done, the signal is: one stop, two uppers, three lowers, and a long bell in an emergency, and use the walkie-talkie to work under the clear confirmation signal.

5, the underground hook workers, winch drivers, and workers must be certified to work, responsible and responsible.

6. Before lifting the car, the crane driver and the winch driver must check whether the brake device, the winch stabilization device, the connection devices, the equipment binding situation, the signal, etc. are safe and reliable. If the problem is found, the driver must be processed to send the driving signal. After the crane driver receives the driving signal, he can drive the signal back to the signal worker. If there is any inaudible signal, the crane driver should operate according to the parking signal, and then wait until the signal is cleared before driving.

7. Crane drivers, signal workers, pick-up workers, must concentrate on thinking during work, and work seriously and responsible.

8. When the equipment is in place, you can pick up the hook after parking.

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