塔吊卷扬的钢丝绳常因各种原因需切断、调头、更换。塔吊一般高几十米,甚至百米以上,在进行以上作业时,都会遇到如何保证作业人员安全的难题,以下针对小车变幅式塔吊,介绍我们的作法,供参考。一、切除前端报废钢丝绳塔吊卷扬钢丝绳穿绳见图1。1.小车置于臂架根部,将固定绳(图2)钩端固定在小车前边框上,绳尾端沿滑轮2绳槽拉至滑轮1、滑轮2的中间,拉紧后用绳夹将固定绳与塔吊钢丝绳紧固。小车行至吊 The hoist rope often need to cut off due to various reasons, U-turn, replacement. Tower crane generally tens of meters high, or even more than 100 meters, in the above operations, will encounter how to ensure the safety of the operator’s problems, the following for the trolley crane, introducing our approach for reference. First, remove the front scrap steel wire rope tower hoist rope hoist rope shown in Figure 1.1 car placed in the boom root, the fixed rope (Figure 2) hook end fixed to the front frame of the car, rope end along the pulley 2 rope slot pull To the pulley 1, the middle of the pulley 2, after tightening the rope with a fixed rope and tower crane wire rope fastening. Car line to hang