《设备管理与维修》1992年第5期刊载罗贻乡的“机械设备事故树分析(FAT)与安全评价”一文,笔者认为有几个问题值得商榷。 1.附图中以“重物失控”、“钢丝断”及“系物绳脱钩”作为中间事件,笔者认为不够全面,似还应包括吊钩和吊索具的失效。吊钩是起重机械提升机构的主要组成部分,起重机安全评价要求吊钩危险断面的高度 “Equipment Management and Maintenance,” 1992 the fifth issue of Luo Yixiang’s “mechanical equipment accident tree analysis (FAT) and safety evaluation,” one article, I think there are several issues that are debatable. 1. In the drawings, “heavy weight out of control”, “broken steel wire” and “system rope detachment” are taken as intermediate events and the author thinks it is not comprehensive enough. It may also include the failure of hooks and slings. Hooks are the main components of hoisting machinery lifting mechanism. The height of the dangerous cross-section of hoisting crane safety assessment requirements