从中国供应商进口高质量的大型吊车吊钩
产品描述
从中国供应商进口的高质量的大型起重机吊钩通常配有安全锁扣，以防止吊索吊索、吊链或吊索脱离负载。中国供应商生产的优质大型起重回转钩，按外形可分为单钩和双钩，按生产方法可分为锻造钩和铸造钩。吊钩是连接起重机和起重机重量的纽带，起着至关重要的作用，必须重视对它的维护。质量上乘的大型吊车吊钩从中国供应商吊装高度限制器或吊钩锁紧装置故障或损坏，吊钩绝对不能使用。
1.单钩:容量:5t/6t/10t/12t/16t/20t/25t/32t/40t/50t/63t/80t/100t /125t/160t/200t/250t。
生产和使用方便，但其承载能力较差，大多数情况下只能在低容量工作现场(小于80T)使用。
2.双钩:容量:10t/12t/16t/20t/25t/32t/40t/50t/63t/80t/100t/125t/160t/200t/250t。
当容量较大时，采用对称负载的双钩。
丢弃的标准
中国供应商生产的优质大型吊车吊环出现下列情况之一应予以报废:
1.裂缝。
2.危险部位的磨损量按原尺寸的10%计算。
3.与原尺寸相比增加了10%。
4.钩体扭转变形大于10°。
5.钩危险部位或钩颈产生塑性变形。
6.钩螺纹腐蚀。
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