اعرف ما هو القيد

قيد 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. قيدs are the same as other slings. They have their own set of application and invalidation specifications. Note for the use of قيدs: The قيدs must correctly support the load.
بمعنى ، يجب أن تكون قوة التأثير على طول محور الخط المركزي للتقييد لمنع الانحناء والأحمال غير المستقرة ، ناهيك عن الحمل الزائد. استخدام وإبطالقيد should be rolled flexibly in the lifting hole, and no jamming is allowed. Phenomenon: The قيد body must not bear the effect of lateral bending moment, that is, the effect bearing capacity should be in the plane of the body.

الحد الأقصى للزاوية المتضمنة بين الرجلين اللذين يحملهماقيد cannot be greater than 120 degrees. The use and invalidation of قيدs The قيد is that when the wire rope sling is used as a binding sling, the horizontal pin part of the قيد should be connected with the keyhole of the wire rope sling. The appearance is when the rigging is lifted.

الصراع بين حبل السلك وقيد causes the قيد to roll, and there is a risk of detachment. The use and invalidation specifications of the قيد. The pin is deformed up to 5% of the original size; the bolt is necrotic or slippery.