Safety operation procedures of gantry crane?

What are the specific contents of the safety operation procedures for portal cranes? Here, Zhong Da Consulting will answer your questions.

1. Gantry crane should be driven by special personnel. Drivers should receive professional training, be familiar with the structural characteristics and operation methods of this machine, and be issued with certificates after passing the examination.

2. Non-drivers are forbidden to drive.

3, the driver at work, only listen to the ground specialized personnel command (and only listen to 1 command), but no matter who sends a stop signal should stop, find out the situation before driving.

4. Before driving every day, you must check whether all mechanical and electrical equipment are in good condition, whether the operating system is flexible, and maintain and lubricate the equipment according to regulations.

5. Before use, it must be checked that the state of hoisting wire rope should comply with the relevant regulations of hoisting machinery, the rope clamp should be firm, the operation system should be good, and the safety devices such as limit switches and brakes should be reliable.

6, hydraulic system should be safe and reliable.

7. The metal shell of all electrical equipment shall be grounded.

8. It is forbidden to place or store explosive or flammable items on the crane.

9, tools, spare parts, etc. It should be in the toolbox. It is strictly forbidden to put it on hold at will to avoid falling and hurting people.

10, before starting, ensure that there are no obstacles on the track and no settlement of the track foundation.

1 1. When you start walking, you should whistle (bell) to warn you and start slowly.

12, it is forbidden to take people or things when the crane is walking.

13, crane operation must be commanded by designated personnel. Operators must obey the command and are not allowed to lift or walk without authorization.

14, the hoisted object must be tied firmly. The lifting point must meet the specified requirements. When lifting, it should be lifted smoothly and vertically, and it is forbidden to pull objects with cranes.

15, when the crane is walking, confirm whether the drives on both sides are synchronous. If any deviation is found, it must be stopped to check and adjust.

16. When two cranes lift an object together, a balance beam should be used. The lifting weight shall not exceed 80% of the total weight of two cranes. The walking and lifting actions of the two cranes should be consistent.

17, it is forbidden to stand under the lifting objects.

18, when it is empty, the hook should be more than 2m from the ground.

19. No one is allowed to sit on the gantry crane beam (beam frame) and no one is allowed to stand under the beam.

20. When the gantry crane is walking, pay attention to the synchronization of the two cranes. If there is any deviation, stop immediately to check and adjust.

2 1, it is forbidden to lift heavy objects and stay in the air for a long time.

22, crane maintenance or repair must cut off the power supply.

23, when the wind is more than 6, should immediately stop operation, and rail clamp clamp on both sides of the rail, gantry crane must strike while the iron is hot. When the gantry crane stops using, it should also be handled in this way, and the hook should be raised to the upper limit position, the beam frame should be placed according to the regulations, the doors and windows should be closed and the power supply should be cut off.

24. Cranes should be inspected regularly every year, and static load and dynamic load tests should be carried out.

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