256HC Mast Section Role, Type and Safety Requirements of Overload Restrictor for Tower Hang
The "Safety Regulations for Tower Suspension" stipulates that tower cranes with a rated weight of more than 20 T, gate tower cranes, loading and unloading bridges, railway tower cranes, and gate tower cranes with a weight of more than 10 T should all be equipped with overload limiters. Rated gravity moment less than 250 KN? M Tower cranes and lifting equipment such as lifts and electric gourds should also be equipped with overload limiters as required by the user.
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The overloading operation of the tower crane will produce excessive stress. It can cause the cable cable to break, the transmission parts to be damaged, and the motor to be burned. Due to the relatively insufficient braking moment, braking failure will result. Overloading is very harmful to the structure of the tower crane, which will not only cause the deflection of the main beam of the tower crane, but also cause instability, cracks or weld welds on the upper cover and ventral plate of the main beam, and will cause the tower crane frame or the tower body. Break and other major accidents. Due to overloading the overall stability of the tower crane, it is possible to have a vicious accident disaster such as overturning and overturning.
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