Shackles are widely used in electric power, metallurgy, petroleum, machinery, railways, chemicals, ports, mining, construction and other industries. Now the better shackles are generally made of alloy steel raw materials, which has changed the history of ordinary carbon steel in the past. National standard shackles include general lifting shackles, marine shackles and general
shackles. The weight is heavier and the volume is larger, and it is generally not installed in a position that is not often disassembled.
Pay attention to the safety factor when choosing shackles, generally 4 times, 6 times and 8 times. When using shackles, you must strictly observe the rated load. Excessive use and overloading are not allowed. Six key points of the shackle: Before use, make a visual inspection and acknowledge whether the rings and shaft pins are worn or damaged. , If any, it should be voided immediately.
Ensure that the shackle identification is clear and visible; pierce the shaft pin into the shackle ring by hand; check whether the shaft pin of the shackle is suitable; check the rated load of the shackle; use the shackle according to the manufacturer's guidance. Seven of the shackles should not be: Prevent the use of
shackles that have been damaged, bent, or modified in any part.
Prevent the use of shackles with unclear markings, prevent the use of tools to lock the shackle shaft pins; prevent unauthorized repairs, modifications, and replacement of shackle parts; prohibit the use of bolts or metal rods instead of shackle pins; prohibit the use of those larger than the diameter of the opening of the shackle Hook; to prevent overload use.
