How to Select Wire Ropes for Construction Hoists

The selection of wire ropes for construction hoists shall comply with the provisions of the current standard Steel Wire Ropes GB/T 8918. The maintenance, inspection, and discarding of wire ropes shall comply with the provisions of the current standard Practical Code for Inspection and Discard of Wire Ropes for Cranes GB/T 5972.

For gantry-frame construction hoists, the wire rope diameter shall not be less than 8 mm, and the safety factor shall not be less than 12.

For single-column single-cage construction hoists and single-column double-cage construction hoists, the wire rope diameter shall not be less than 12 mm, and the safety factor shall not be less than 8.

For installation suspension rods, the wire rope diameter shall not be less than 6 mm, and the safety factor shall not be less than 8.

For guy ropes, the diameter shall not be less than 8 mm, and the safety factor shall not be less than 3.5.

When rope clips are used to secure the ends of wire ropes, the specifications of the rope clips shall match the rope diameter; the number of clips shall not be less than 3; the spacing shall not be less than 6 times the rope diameter; the saddle of the rope clip shall be placed on the long rope side, and the clips shall not be arranged alternately in opposite directions.