Lifting sphanger manufacturer: the maintenance of lifting sphanger and matters needing attention in the process of lifting!

Release time：2021-06-30

What is a lifting spreader? Lifting sling is a device used for lifting and fetching heavy objects in lifting operation. Lifting spreader manufacturer to introduce to you the maintenance of the lifting spreader and the matters for attention in the process of hoisting! Which good hoisting sling? It is not clear in a few words that it should be comprehensively measured, including the product quality of the lifting sprig, the price, the scale of the lifting sprig manufacturer, the service process, and the reputation of the industry.
Lifting sling
1. Before the hook is used, the rated lifting weight marked on the hook should be checked, which should not be less than the actual lifting weight.
2. The lifting sprig shall not exceed its rated lifting weight.
3. The horizontal Angle between the sling and the lifting beam should generally be between 45 degrees and 60 degrees.
4, the hook dangerous section of the maximum wear up to 10% of the original size should be scrapped.
5. Transverse force is strictly prohibited when the lifting ring is used.
6. Ring sling allows one joint.
7. When the long hook group is installed on the balance pulley, it can be used for a singular pulley group.
8. The difference between hoisting sling and rigging (sling) lies in that the sling can directly hoisting goods; A cable is flexible.
9. The surface of the hook used in the lifting operation should be smooth, and there should be no defects such as cracking, scoring, acute Angle, joints and cracks.

10. The hook is distorted and deformed. When the maximum twist Angle between the center line of the hook tip and the center line of the hook tail is greater than 10 degrees, the hook should be scrapped. The shackle shall not bear loads in excess of those specified and shall only bear tension.

11, when the hook stops using, it should be carefully cleaned, rust removal, rust prevention oil, put in a ventilated and dry place. The steel plate lifting pliers should be used according to its function and should not be used for other purposes.
12. The sling and rigging shall be checked before each operation. When each function is confirmed to be normal and intact, it shall be put into use.
13. The lifting ring is usually used as a fixed hanger when the motor and reducer are installed and maintained.
14. The cross section shape of the hook body is round, rectangle, trapezoid, T shape and so on.
15, short hook group is only suitable for double rate pulley block, its lifting weight is large.
16. Before the sling is hoisted, it should be confirmed whether the hoisting connection set on the heavy object is firm and reliable.

Last：Don't forget to maintain the hoisting machinery and equipment regularly
Next：Types and scrap standards of common spreader.