摘要
对一起港口门座起重机事故进行深入调查研究,还原了事故的发生过程,分析了起重臂、人字架的受力状态和人字架支腿焊缝的断裂原理,归纳了造成起重臂垮塌坠落的原因,提出防范同类事故发生的建议.
In this paper,an accident of a portal crane in port is investigated deeply,the accident process is restored.The stress state of hoisting boom and herring frame and the fracture principle of the welding seam of herring leg are analyzed,and the causes of the collapse of hoisting boom are summarized,then some suggestions on preventing similar accidents are put forward.
作者
陈军胜
吴凤英
Chen Junsheng;Wu Fengying(Guangdong Institute of Special Equipment Inspection and Research Zhaoqing Branch,Zhaoqing 526000)
出处
《中国特种设备安全》
2022年第3期61-65,共5页
China Special Equipment Safety
关键词
起重机
坠落
焊缝断裂
分析
Crane
Falling
Weld fracture
Analysis