Hoisting chains is generally only used for hoisting, lifting and transportation of goods. Such products are special tool operators should have certain operating knowledge, and should have a detailed understanding of the operating procedures of hoisting rigging. The operating rules and regulations must be read carefully when using such tools for the first time.
The general lifting chain rigging is 80 grades, which are divided into single-limb chain rigging, double-limb chain rigging, three-limb chain rigging, four-limb chain rigging and other types. Connecting hooks, etc.
Rules for the use of hoisting rigging
1. The operator should wear protective gloves before operation.
2. Confirm that the weight of the hoisted object matches the load of the wire rope sling. Overload work is strictly prohibited!
3. Carefully check whether the chain is twisted, knotted, knotted, etc. If the following conditions occur, please adjust the chain first before proceeding to the next step.
4. Find the appropriate center of gravity when the chain sling is attached to the hoisted heavy object, and make sure that there is no problem with the center of gravity before lifting.
5. Before hoisting heavy objects, check whether there is good protection between the sling rope and the heavy objects, so as not to damage the surface of the heavy objects during hoisting.
6. Check whether there are personnel working and obstacles within the lifting range. The site should be cleared in time, and the obstacles can be removed before lifting.
7. After the heavy object is lifted, no one should pass under the heavy object, or check the construction at the bottom.
8. Chain lifting rigging is strictly prohibited to be used in hot-dip galvanizing tank and pickling tank.
Routine inspection of lifting rigging
According to regulations, chain slings must be inspected by professionals at least one year apart. A minimum of three crack inspections are required. Depending on the application of the chain and rigging, the inspection period may be shortened according to the actual situation, especially in the environment of high frequency of use, severe wear, corrosion, and high temperature, such as inspection once every three months.
During use, the user should perform periodic visual inspections for exposed damage, including those covered by stains, and if there is any doubt about the safety condition of a chain sling, the word should be discontinued and Ask a professional for a full inspection.
Post time: Jun-12-2022