Selection and safe use of lifting slings
1. When selecting the lifting sling specification, the size, weight, shape of the load to be lifted, as well as the coefficient of the lifting method to be used and other factors affecting the service mode must be included in the calculation, and the requirements for the ultimate working force must be given, while the working environment and load type must be taken into consideration. The slings with sufficient capacity and suitable length to meet the use mode must be selected. If multiple slings are used to lift the load at the same time, the same type of slings must be selected; The raw materials of the flat sling shall not be affected by the environment or load.
Whether accessories or lifting rings are required or not, the matching between the end of the sling and auxiliary accessories and lifting equipment must be carefully considered. For the specific parameters, please refer to the Luxembourg CODIPRO universal swivel hoist ring, which is the agent of Qingdao Xinyuancheng Trading Company. Its sample book introduces the diameter, load, thread length, etc. of the swivel hoist ring of various specifications, including the metric and imperial hoist rings, and the safety factor is up to 5 times, which is more suitable for the lifting of high-tonnage molds.
2. It is strictly prohibited to overload the lifting slings for safe use. Unmarked slings and riggings shall not be used without confirmation. The components on the assembly parts of the sling shall be inspected regularly according to the requirements of the assembly parts. It is not allowed to correct the twisted sling by hammering. Do not throw slings. Do not pull from under the load or let the load roll on the sling.
3. The slings and riggings purchased from outside must be products produced, inspected, and provided with certificate of conformity and maintenance and maintenance instructions by professional manufacturers according to national standards. At the obvious place of the product, there must be signs such as rated lifting capacity, production number, manufacturing date, manufacturer name, etc. that are not easy to wear.