People will use cranes in the process of lifting operations and hoisting. Cranes bring great convenience to people. What are the precautions when using the crane?
1. Each crane must be hung with the nameplate of rated lifting capacity in an obvious place.
2. No one is allowed to be on the bridge or use the hook to transport people during work.
3. It is not allowed to drive the crane without operation license or after drinking.
4. The crane is not allowed to be overloaded.
5. Lifting is not allowed under the following conditions: loose binding; Overload of parts; The signal is unknown; Cable stayed; Objects buried or frozen in the ground; Someone is on the hoisted object; Overfilled liquid articles; The lifting mechanism is faulty.
6. When the crane is running on the line without obstacles, the hook or sling and the bottom of the object must be more than 2m above the ground. If the obstacle is crossed, it must be 0.5m higher than the obstacle.
7. It is not allowed to weld or hammer on the lifted objects and work under the objects (if there is support).
8. Don't throw anything down from the car.
9. The limit switch and interlock protection device shall be checked frequently.
10. It is not allowed to touch the limit switch as a means of stopping.
11. When the lifting brake has problems, it is not allowed to lift heavy objects.
12. The hoisted object is not allowed to operate over people or equipment.
13. When welding a certain part of the crane, the ground wire shall be specially set, and the body shall not be used as the ground wire.
14. Cranes are not allowed to collide with each other, and it is not allowed to use one crane to push another crane to work.
15. Regularly conduct technical inspection and pre inspection and pre repair.
