What safety technical regulations should lifting wire rope slings comply with?

Based on: Technical specifications for hoisting safety in construction JGJ276-2012

1) The sling can be 6×19, but it is better to use 6×37 type steel wire rope to make a ring or For the 8-strand head type, the length and diameter should be determined according to the geometric dimensions and weight of the hoisted object and the lifting tools and hoisting methods used. It can be used in single, double, four or multiple suspension forms.

(a) Ring sling

(b) 8-strand sling

2) The rope loops or rope sleeves at both ends of the sling should be The length of the braided connector should not be less than 20 times the diameter of the wire rope. The rope sleeves at both ends of the 8-strand head sling can be equipped with sling accessories such as peach rings, snap rings or hooks according to work needs.

3) The safety factor of the sling: when using the hook or snap ring on the sling to hook the lifting ring on the heavy object, it should not be less than 6; when using the sling to directly tie the heavy object , and when proper protection measures are taken between the sling and the edges and corners of the heavy object, it should be 6~8; when lifting heavy, large or precise heavy objects, in addition to taking proper protective measures, the safety factor should be 10.< /p>

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