Sjakkel 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. Sjakkels are the same as other slings. They have their own set of application and invalidation specifications. Note for the use of lenkes: The lenkes must correctly support the load.
Det vil si at effektkraften skal være langs aksen til midtlinjen i sjakkelen for å forhindre bøyning og ustabil belastning, for ikke å snakke om overbelastning. Bruken og ugyldigheten avlenke should be rolled flexibly in the lifting hole, and no jamming is allowed. Phenomenon: The lenke body must not bear the effect of lateral bending moment, that is, the effect bearing capacity should be in the plane of the body.

Den maksimale inkluderte vinkelen mellom de to beinriggene som bæres avlenke cannot be greater than 120 degrees. The use and invalidation of lenkes The lenke is that when the wire rope sling is used as a binding sling, the horizontal pin part of the lenke should be connected with the keyhole of the wire rope sling. The appearance is when the rigging is lifted.

Konflikten mellom vaieren oglenke causes the lenke to roll, and there is a risk of detachment. The use and invalidation specifications of the lenke. The pin is deformed up to 5% of the original size; the bolt is necrotic or slippery.