发电厂烟囱、水塔及其它高层建筑载人及人物兼载提升机的防坠落问题，是关系人身安全的大问题。因此，许多烟塔施工部门规定：在提升人员或人员和物料兼用的提升容器上必须装设可靠的断绳保护装置，本文介绍的提升机防坠器（见图１）于１９９６年获东北电力集团公司科技进步三 Power plant chimneys, water towers and other high-rise buildings manned and character hoisting machine fall protection is a big problem related to personal safety. Therefore, many of the smoke tower construction department provides: lifting personnel or personnel and materials used to enhance the container must be equipped with reliable broken rope protection device, this article describes the elevator anti-dropping device (see Figure 1) in 1996 by Northeast Power Group of three scientific and technological progress