There are many causes of jib crane accidents, which need to be analyzed according to the actual situation, mainly can be divided into three categories: environmental factors, equipment factors, and operational factors.
1. Environmental factors
When encountering natural disasters such as lightning, typhoons, earthquakes, etc., the jib cranes may occur derail, roll over, and other safety accidents;
The use site is narrow, crowded, uneven placement, etc., will result in crushing, collision accidents;
Insufficient light at the job site or poor visibility.
2. Operating factors
The lifting method is incorrect, and the heavy object falls and hurts people due to unhooking;
Illegal operations, such as overloading, the heavy object passes directly above the head of the person when lifting;
The use of brakes and limiters does not meet the safety fixation, resulting in safety such as hoisting and derailment accident.
3. Equipment factors
Electrical damage due to electrical damage, inadequate grounding protection, etc.;
Derailment caused by derailed rails and rails;
Damage, breakage of hooks, grapples, and wire ropes, and injuries caused by falling heavy objects;
Failure of operating systems and safety devices;
The strength of the stressed parts did not meet the safety standards.
