The most commonly used spreaders are hooks, and others include rings, lifting suction cups, clamps and hanging beams. Lifting suction cups, clamps and hanging beams can be used as special spreaders on the crane for a long time, and can also be used as replaceable auxiliary spreaders on the hooks for temporary use. They are often used in warehouses and yards of many kinds of goods to improve Operational efficiency.
The main types of steel wire ropes include phosphating-coated steel wire rope, galvanized steel wire rope and smooth steel wire rope. Related data show that the lubrication of the steel wire rope has a great influence on the service life of the steel wire rope from the above analysis. Systematic lubrication of the wire rope can extend the life of the wire rope by 23 times
If the rotation of the twist lock is not flexible or not in place, check the adjustment nut,
During use, prevent the indicator paint on the indicator panel of the lifting spreader from falling off. Once found, it is necessary to replace the paint with the original indication mark in time
Lifting should be done steadily during the hoisting process to avoid deformation caused by the collision between the lifting spreader and the crane or other equipment.
China's industry standard is JB T8521, with a safety factor of 6:1, which means that the working load of the lifting belt is 1T, but it will not break until it is pulled to more than 6T.
There are 4 shackles of 55 tons, and each safety factor is 4 times of the reference number. It adopts 4-point hoisting and the safety factor is 1.3 times, which meets the requirements of national hoisting regulations.
When hoisting, use the sling connection method correctly. The sling must be placed and connected to the load in a safe manner. The sling must be placed on the load so that the load can be balanced. The width of the sling; never knot or twist the sling. The part can not be placed on the hook or lifting equipment, and always placed on the upright part of the sling, to prevent the tag from being damaged by staying away from the load, the hook and the locking angle.