විලංගු is a kind of sling, which is widely used in various industries such as electric power, metallurgy, petroleum, machinery, railway, chemical industry, port, mining, construction and so on. විලංගුs are the same as other slings. They have their own set of application and invalidation specifications. Note for the use of විලංගුs: The විලංගුs must correctly support the load.
එනම්, අධික බර ගැන සඳහන් නොකර, නැමීම සහ අස්ථාවර බර වැළැක්වීම සඳහා විලංගු වල මධ්‍ය රේඛාවේ අක්ෂය දිගේ බලපෑම් බලය තිබිය යුතුය. භාවිතය සහ අවලංගු කිරීමවිලංගු should be rolled flexibly in the lifting hole, and no jamming is allowed. Phenomenon: The විලංගු body must not bear the effect of lateral bending moment, that is, the effect bearing capacity should be in the plane of the body.

විසින් ගෙන යන කකුලේ රිගින් දෙක අතර උපරිම ඇතුළත් කෝණයවිලංගු cannot be greater than 120 degrees. The use and invalidation of විලංගුs The විලංගු is that when the wire rope sling is used as a binding sling, the horizontal pin part of the විලංගු should be connected with the keyhole of the wire rope sling. The appearance is when the rigging is lifted.

කම්බි කඹය සහ ගැටුමවිලංගු causes the විලංගු to roll, and there is a risk of detachment. The use and invalidation specifications of the විලංගු. The pin is deformed up to 5% of the original size; the bolt is necrotic or slippery.