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The cause of the crane accident

2015.05.29 02:29

Bishop 조회 수:667

1. crane accident causes including human factors and equipment of two factors, which is mainly due to human factors or a user manager luck, save and reverse other psychological reasons resulting in irrational behavior, factors matter mainly due to equipment failure to requirements for the design, manufacture, installation, repair and maintenance, in particular the failure to require inspection, with the "disease" runs, thus planting the security risk.
Account for a large proportion of the crane accident causes are:
. a violation of safety rules, such as overloading or unacknowledged weight lifting items, the oblique oblique double beam grab crane, hoist people at the station, hoist tying unreliable hook hook unreliable and the operator does not have the qualifications and the like;
b. Equipment safety devices are not installed or failure. Such as lifting height limiter, since the weight limiter, torque limiter, anti-decoupling device hook, and so did not run limit-loading or failure of equipment to ground or zero unreliable leakage protection are not reliable;
C. inspection, the inspection did not seek to be. Failure to establish and implement a regular inspection system (classes before the inspection, weekly inspection and monthly inspection, etc.), supervision and inspection agency report did not seek acceptance testing and periodic inspection, resulting in devices with a "disease";
d. No security monitoring personnel or maintenance operations when no warning signs. As neighboring device is not running monitoring, ground power switch is not linked to warning signs;
. e use and maintenance workers failing to wear protective labor insurance products;
. f overhead cranes installation or removal according to the specified procedures;
g. Failure to ensure safe distance and lifting equipment items and the operating environment of the crane wire work

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