154HC Mast SectionSafety technical disclosure of tower crane operation for reference
Safety technical disclosure of tower crane operation for reference
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1. Tower crane driver and signal personnel must be trained and qualified, and work with certificate.
2. The driver shall be familiar with the mechanical properties and instructions of the tower crane and comply with the requirements in the instructions.
3. The driver can start the operation only after getting the clear signal from the commander. Before the operation, ring the bell to indicate. If the signal is unclear, do not operate at will.
4. Each shift of tower crane shall have two drivers, one for operation and the other for ground supervision to prevent accidents.
5. When the wire rope rigging is hung and the lifting hook wire rope is tightened, the operator shall immediately stay away from the lifting object, and shall not stand under the boom to prevent the object from falling and the boom from collapsing.
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6. When lifting at or close to the full load, it is forbidden to lower the boom or perform two actions at the same time.
7. It is strictly forbidden to lift heavy objects freely. The falling of heavy objects shall be controlled by hand brake or foot brake slowly.
8. When the boom changes the elevation angle, it must run without load, and other actions cannot be done at the same time during luffing. Examination of the second grade constructor
9. It is forbidden to make fast rotation to prevent the danger caused by too fast rotation, such as the difficulty of placing objects and too large centrifugal force of heavy objects.
10. Follow the signal of the commander during operation. When the signal is unclear or may cause an accident, the operation shall be suspended.
11. During lifting, no one is allowed to stay or walk under the boom, and the boom and objects must be kept at a safe distance from the overhead wire.
12. The rope shall be pulled for lifting objects, and the speed shall be uniform. It is forbidden to brake and change direction suddenly, and the translation shall be 0 higher than the obstacle. If it is more than 5m, it shall be lowered at low speed to prevent dumping.
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13. It is forbidden to lift or pull objects buried in the ground or condensed on the ground or equipment obliquely.
14. When the crane stops operation, the lifting object shall be put down, the brake shall be braked, the control lever shall be placed in the neutral position, and the switch shall be locked.
