L46A1 Mast Section Tower hoist electricity regulations
Tower hoist power regulations:
1, the safety distance from the external power line should meet the requirements of the specification.
2, tower tower tower over 30M, should be set at the top of the tower and arm end of the red signal light(red obstacle light). The tower crane that needs to work at night should be set up with a fluorescent light facing the working surface.
3, the tower crane operator working near the strong electromagnetic wave should wear insulated gloves, and wear insulated shoes, and should adopt insulation isolation measures between the hook and the body, or hang a temporary discharge device on the hook.
4, tower crane all kinds of limited protection devices must be complete, reliable, sensitive control device, control line laying specifications, protection in place.
The power cable of the tower crane shall be made of five-core cable, and the cable shall be laid along the insulator as shown in the figure.
6, tower crane lightning protection must be in place, reliable welding and meet the specifications.
7, tower power cable and other cables must be attached along the frame with 63 * 63 * 1500 square square wood fixed butterfly insulator cable tied along the insulator.
