L48A1 Mast Section It is easy to cause accidents when the tower crane is overloaded
It is easy to have an accident when the tower crane is used under overload. The following is a brief analysis of the consequences of the use of the tower crane under overload.
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I. when the lifting exceeds the rated lifting torque, the moment limiter is damaged, removed, not adjusted or not checked regularly, resulting in the failure of moment limit and causing the accident.
There are many such accidents and the damage caused by them is also large. As we all know, the quality of tower crane drivers is uneven. Many drivers think that tower crane has a certain insurance coefficient, and it doesn't matter if it is overloaded. It is not known that the safety factor of tower crane is set up to adapt to different working conditions. It doesn't matter if one overload occurs. If two overloads don't occur, it doesn't feel that the hidden danger of the accident is germinating. Instead, it serves as an experience, even as a kind of ostentatious capital: "if the arm end is required to be hoisted for 1t, I will be fine if I hoist 2T". I don't know that the disaster is coming quietly.
Moment limiter is the most critical safety device of tower crane, which should be maintained, adjusted and checked regularly.
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II. Failure of moment limiter, lifting at night, hanging heavy objects or hoisting steel wire rope to hang buildings or unknown objects, resulting in an accident caused by instantaneous overload of tower crane or sudden unloading of tower crane.
At night, the vision is blurred, and it is easy to make mistakes in judgment; at this time, the driver is tired and often has the paralysis and fluke psychology of "early work, early rest".
L48A1 Mast Section：
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