某鞋服有限公司发生了一起由于安装队对电梯加层改造提升轿厢时发生坠落事件,2名安装人员当场死亡。随着社会的发展,大量的老旧电梯面临淘汰和改造的命运。无论是淘汰或改造,都面临着对旧电梯的拆除问题,而拆除过程中的技术问题是确保安全的重要问题。现就上面的案例中从技术的角度来分析电梯拆除过程中轿厢坠落事故的技术原因及预防办法。1电梯基本情况、现场状况及分析1)对旧电梯的改造要求是,把现有5层5站,提升高度17.5m,改造为9层9站,井道高度41.8m; A shoes and clothes Co., Ltd. occurred together as a result of the installation of the elevator team to upgrade the elevator floor when the crash occurred, two installers died on the spot. With the development of society, a large number of old elevators face the fate of elimination and transformation. Whether it is to be eliminated or rebuilt, all the problems of dismantling old elevators are faced, and the technical problems in the dismantling process are important issues for ensuring safety. Now on the above case from a technical point of view to analyze the elevator during the car crashed accident technical reasons and preventive measures. 1 The basic situation of the elevator, the site conditions and analysis 1) The requirements of the transformation of the old elevator is that the existing 5 layers of 5 stations, elevation 17.5m, 9 floors 9 transformation, hoistway height 41.8m;