自行式臂架起重机上使用的悬挂钢丝绳长年累月经受雨雪的袭击,容易生锈,再加上悬挂钢丝绳本身的振动和反复受载,使钢丝绳磨损乃至断股,造成重大事故。以前,检查钢丝绳是靠目测从外观上进行检查,如果外观检查钢丝绳未发现什么问题,便一律使用到一定时间才更换。这样,钢丝绳内部的损伤往往造成重大的事故。 Hanging wire ropes used on self-propelled boom cranes have been subject to rain and snow for many years to get rusty. Coupled with the vibration and repeated loading of the suspended wire ropes, the wire rope is worn or even broken, resulting in a serious accident. Previously, check the wire rope is visually checked from the appearance, if the appearance of the wire rope did not find any problems, they will be used until a certain period of time before replacement. In this way, the damage inside the wire rope often results in a major accident.