256HC Mast Section tower crane installation: safety inspection and installation precautions
1、 Safety helmet and soft soled rubber shoes shall be worn when entering the construction site, and safety belt shall be fastened during operation.
2、 Safety inspection:
1. Before operation, all slings, hammers and safety belts must be inspected to ensure they are in good condition.
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2. Check the hydraulic jacking mechanism. The oil circuit shall not leak oil, and the air shall be emptied.
3. Check that the metal components of tower crane are free of distortion, corrosion and crack.
4. Check the parts, protective devices and working mechanism of the tower crane.
3、 Precautions for tower crane installation
1. During transportation, each component of tower crane shall be bound firmly.
2. The electrician shall complete the work according to the electrical specifications and pay attention to the safety work.
3. All limit safety devices shall be tested and qualified one by one according to regulations.
5. When hoisting, special personnel shall be assigned for command with clear signal. Crane shall operate within the load range, and overload operation is strictly prohibited.
5. When assembling the components, pay attention to the connecting bolts, install the pin shaft firmly, and thread the tail pin as required.
6. Adjus
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t all transmission and braking devices. When the main winch returns to zero at full speed, the hook will not slide more than 2cm under full load condition.
7. Operate in strict accordance with the operating procedures. Do not drink alcohol before operation, and do not fight during operation.
8. When working on the tower crane, pay attention to step on the air, do not drop objects to the ground, do not throw parts, tools, etc. in the air.
9. No irrelevant personnel are allowed to enter the operation radius.
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10. All chucks and pin shafts shall be installed firmly, the direction of chucks shall be correct and the quantity shall be complete.
