Fjötra 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. Fjötras are the same as other slings. They have their own set of application and invalidation specifications. Note for the use of fjötras: The fjötras must correctly support the load.
Það er, áhrifakrafturinn ætti að vera meðfram ás miðlínu fjötsins til að koma í veg fyrir beygju og óstöðugt álag, svo ekki sé minnst á ofhleðslu. Notkun og ógilding á
fjötra should be rolled flexibly in the lifting hole, and no jamming is allowed. Phenomenon: The fjötra body must not bear the effect of lateral bending moment, that is, the effect bearing capacity should be in the plane of the body.
Hámarkið innifalið horn milli tveggja fótabúnaðar sem bera
fjötra cannot be greater than 120 degrees. The use and invalidation of fjötras The fjötra is that when the wire rope sling is used as a binding sling, the horizontal pin part of the fjötra should be connected with the keyhole of the wire rope sling. The appearance is when the rigging is lifted.
Átökin milli vírstrengsins og
fjötra causes the fjötra to roll, and there is a risk of detachment. The use and invalidation specifications of the fjötra. The pin is deformed up to 5% of the original size; the bolt is necrotic or slippery.