1984年9月5日,龙羊峡水电站工地2~#缆机发生坠罐,18吨重的吊罐和混凝土从170m 高空坠落到正在施工的大坝上,造成多人伤亡事故。现场检查发现,规格为6×37的提升钢丝绳被牵引钢丝绳磨断164丝,其余58根钢丝被拉断。四个直径16mm 的 U 型绳卡,有两个被牵引绳磨了很深的沟,其中一个深 September 5, 1984, Longyangxia hydropower station site 2 ~ cable machine falling cans, 18 tons of cans and concrete dropped from the height of 170m to the dam under construction, resulting in many casualties. On-site inspection found that the specifications for the 6 × 37 hoisting rope ropes were distorted wire 164, the remaining 58 wires were pulled off. Four U-shaped rope 16mm diameter card, there are two deep-drawn by the traction rope groove, one of the deep