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钢丝绳是起重运输机械中最常用的挠性件,它具有强度高,自重轻,挠性好,极少突然断裂的优点。但是,在总体设计中不允许钢丝绳具有无限长的寿命。为了使钢丝绳在未报废之前搬运货物时,具有足够的安全裕度,ISO4309—1981规定了钢丝绳报废标准。不及时发现已达到报废标准钢丝绳,并予以更换是极其危险的;不正确理解钢丝绳报废标准中断丝数含义,即该报废标准产生的前提及适用的范围,而盲目套用报废断丝数标准,同样容易造成断绳事故。
Rope is the most commonly used flexible parts of lifting transport machinery, it has the advantages of high strength, light weight, good flexibility, minimal sudden fracture. However, the overall design does not allow wire ropes to have an infinite life. In order to make the wire rope before the goods are not scrapped, with sufficient safety margin, ISO4309-1981 provides wire rope scrap standards. Do not find out in time that the wire rope that has reached the end-of-life standard has been reached and is to be replaced; it is extremely dangerous; it does not correctly understand the meaning of the end-of-wire number of wire rope end-of-life criterion, Easily lead to broken rope accident.