The common major accidents in running cranes are "overturning", "falling arm" and "folding arm".To avoid “overturning” accidents, the running crane is strictly prohibited from overloading and lifting. If the weight is unclear, can lift the weight slightly off the ground first, and then kick the heavy arm reverse support (outrigger) with your feet, if the arm moves, must not lift the objects. During lifting operation, it is strictly forbidden to extend the boom after lifting to prevent the over-torque from losing stability; in addition, oblique lifting should be av ...
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