起重机械在现代化生产中起着越来越重要的作用,起重机械的数量呈直线增长。但同时由于使用单位的安全意识淡薄、特种设备知识的匮乏及违规操作现象频发,起重机造成的事故也越来越频繁。本文主要介绍了一起发生在身边的起重机主梁折断的恶性事故,分析了该起事故发生的原因,并结合实际检验工作,提出了一系列预防与改进措施。 Lifting machinery plays an increasingly important role in the modernization of production. The number of lifting machines increases linearly. But at the same time, due to the weak safety awareness of the use of units, the lack of knowledge of special equipment and frequent violations, crane accidents are also more and more frequent. This article mainly introduces the vicious accident of the crane girder breaking off which happened together, analyzes the reason of the accident, and puts forward a series of prevention and improvement measures combined with the actual inspection work.