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大型履带式起重机一般有4个卷筒,分别为主臂变幅卷筒、副臂变幅卷简、主钩卷简、副钩卷筒。若卷筒操作使用不当,可能出现钢丝绳损坏,轻则钢丝绳断丝,重则整个卷筒钢丝绳报废,甚至引发重大安全事故。钢丝绳损坏后必须及时更新,其所需费用较高。以300t级履带起重机为例,每个卷筒钢丝绳价格在30万元以上。起重机使用单位一般也不会备用各种型号的钢丝绳,若出现钢丝绳损坏事故,需从生产厂家购买,耽搁时间较长,影响施工工期。本文介绍钢丝绳的损坏原因及预防措施。
Large crawler cranes generally have 4 drums, respectively, the main boom luffing jib, jib boom amplitude Jane, the main hook volume Jane, Vice hook reel. If the reel operation is not used properly, there may be damage to the wire rope, ranging from broken wire rope, heavy wire rope was scrapped, and even lead to major accidents. Wire rope damaged must be updated in time, the higher the cost. To 300t crawler crane, for example, each reel wire rope price 300000 yuan or more. Crane units generally do not spare all types of wire rope, wire rope damage if there is an accident, need to buy from the manufacturer, delay a long time, affecting the construction period. This article describes the causes of wire rope damage and preventive measures.