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What is a crown block and how to operate it?

Crown block: also known as bridge crane. It is a kind of bridge crane whose bridge runs on the elevated track.

Operation:

1. You must wear labor protection articles before going to work. ?

2, lifting equipment should be used by qualified personnel, are not allowed to start at will. Ensure that the grounding wire is intact.

3. Before starting, check whether the lifting button of the equipment is abnormal and whether the electrical, mechanical and interlocking equipment are in good condition. ?

4, should be empty before lifting heavy objects, check the equipment for abnormalities. The weight of lifting articles shall not exceed the rated range.

5, before lifting heavy objects, to ensure that the rope fastened, not easy to fall off. When lifting, lift it off the ground slightly to ensure that it can be lifted. Avoid falling off.

6, it is forbidden to tilt down, it is forbidden to someone through under heavy objects, to avoid injury. Check the lifting rope frequently to avoid breakage.

The bridge of the bridge crane runs longitudinally along the track laid on the overhead on both sides, and the hook runs transversely along the track laid on the bridge, forming a rectangular working range, which can make full use of the space below the bridge to lift materials without being hindered by ground equipment.

Bridge cranes are widely used in indoor and outdoor warehouses, factories, docks and open storage areas where heavy materials need to be hoisted. Bridge cranes can be divided into ordinary bridge cranes, simply supported beam cranes and metallurgical special bridge cranes.

Cranes are widely used in large-scale heavy industries such as steel manufacturing and automobile manufacturing.

Extended data:

Troubleshooting of crown block:

1. When the car breaks down that day, it must be stopped immediately for inspection. When parking, a warning sign "No switching on when someone is working" should be hung, and a special person should be appointed to take charge of safety monitoring.

2. When the car passes by with the broken crown block, it must be in good contact with the upper and lower sides. After obtaining the consent, ring the bell to signal and implement it at a uniform and slow speed.

3. After troubleshooting, it is necessary to clean up the sundries left by the maintenance crown, and continue the operation only after being notified of power failure.

Baidu encyclopedia-crown block