两起电梯曳引机断轴事件技术分析和建议  

Technical Analysis of Two Incident of Elevator Machine Shaft Broken and Suggestions

作　　者：庄小雄 邱康勇 ZHUANG Xiaoxiong;QIU Kangyong

机构地区：[1]深圳市特种设备安全检验研究院,广东深圳518029

出　　处：《中国电梯》2021年第5期46-51,共6页China Elevator

摘　　要：分析了两起电梯曳引机断轴事件发生的原因;针对曳引机断轴可能造成的后果和现行电梯安全技术规范中定期检验有关要求进行风险分析,指出按照早期标准生产电梯在定期检验合格的情况下仍存在不可忽视的风险;最后对电梯安全技术规范的修订和曳引机传动轴的修理提出了两点建议。The causes of two incident of elevator machine shaft broken are analyzed.In view to the possible consequences of machine shaft broken and the relevant requirements of periodic inspection in the current elevator safety technical specifications,risk analysis is carried out and it find out that elevators made according to the early standards still have risks that cannot be ignored though they are qualified in the periodic inspection.Finally,two suggestions are put forward for the revision of elevator safety specifications and the repair of machine main shaft.

关 键 词：电梯曳引机 断轴 风险分析 轿厢上行超速 轿厢意外移动 

分 类 号：TU857[建筑科学]