Daily inspection shall be carried out for sling to avoid "mending after death"

There are many kinds of slings and riggings. Metal slings and riggings mainly include wire rope slings, chain slings, sling with sling, shackles and so on. Synthetic fiber slings and riggings are mainly made of nylon, polypropylene, polyester and high-strength and high-modulus polyethylene fibers. Because there are many kinds, there will be some troubles in the management. Here are some key points for Putai:

1. Whether the mark is lost, damaged or the content of the mark cannot be identified clearly due to the contamination;

2. Whether the bolts, nuts and other fasteners are loose;

3. Abnormal conditions such as wear, corrosion, crack (including weld), plastic deformation, etc. of main stressed members of metal structure;

4. Major parts, such as hook (including nut locking device of straight handle hook), lifting lug (trunnion), drum, steel wire rope and fixed connection of rope end, gripper arm (including claw and lifting tooth), open gear, roller chain and other abnormal conditions such as wear, corrosion, plastic deformation and crack;

5. Wear, corrosion, plastic deformation, crack, broken wire, burning and melting of chain link, steel wire rope (including fiber, sling and fixed connection at the end of eyelet) and end fittings, scorching and aging of fiber products, etc.