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起重机械起升机构钢丝绳的排绳情况往往不被设计人员所重视,但是如果钢丝绳排列不紧密,使用中钢丝绳会发生变层、脱槽、缠绕,产生冲击载荷和附加载荷,严重时会造成起重机事故。下面从案例入手进行分析。1案列案例一:2009年3月,某水电站1台125t电站通用桥式起重机,在以低速档下降过程中,起重机突然发生明显的抖动,随后发生吊物坠落事故。经对该起重机的起升高度、卷筒尺寸、钢
Lifting mechanism rope hoist rope situation often not designer attention, but if the rope is not arranged in close, the use of wire rope will occur stratification, slotting, winding, the impact load and additional load, will result in serious Crane accident. The following analysis from the case to start. Case 1 Case 1: In March 2009, a 125t power station universal bridge crane at a hydropower station suddenly saw obvious jitter during the descent of the low speed gear, followed by the occurrence of the crane falling accident. After lifting the crane height, reel size, steel