11的钢丝绳在地面往高80米处吊重850斤物体,可以使用吗?
11毫米钢丝绳,以19*7结构,钢芯,1770MPa强度级,最低破断拉力70.2千牛,约7.16吨,单绳起重850斤即430公斤,安全系数16,远远超越平常的安全系数6,绰绰有余,仅供参考起重设备常用钢丝绳主要品种如下:1.磷化涂层钢丝绳(专利技术),钢丝经锰系或锌锰系磷化处理,钢丝表面耐磨性、耐蚀性全面跃升,磷化膜与润滑脂的复合作用,有效抑制微动磨损的发生,彻底解决钢丝绳的磨损问题,疲劳寿命是同结构光面钢丝绳3倍,通过疲劳试验可以验证疲劳寿命(亲自做疲劳试验最具可信性),是光面钢丝绳的升级换代产品,也可替代先镀后拔薄锌层镀锌钢丝绳使用(可通过盐雾试验检验或对比耐蚀能力),使用寿命超长,单位使用成本更低,稳定性更佳。2.镀锌钢丝绳,包括热镀锌和电镀锌两种,一般而言,热镀锌锌层厚,电镀锌锌层薄3.不锈钢丝绳,以304或316不锈钢为主,防腐蚀效果非常优秀但是价格昂贵4.涂塑钢丝绳,碳素钢丝绳基础上,外层涂覆聚乙烯、聚丙烯或尼龙5.光面钢丝绳,使用寿命短,市场需求剧减,将被磷化涂层钢丝绳全面淘汰。6.海洋工程系泊用钢丝绳7.缆索钢丝绳大气环境中使用的起重机械,优选磷化涂层钢丝绳,重腐蚀环境优选热镀锌—磷化双涂层钢丝绳,海水中优先海工钢丝绳。采购时请注意,在购货发票必须注明钢丝绳名称,如磷化涂层钢丝绳或316不锈钢丝绳,以保护自身合法权益,另外,专利产品一般在钢丝绳外包装上有专利号喷涂标注,质保书应有主要技术指标,如磷化膜种类和膜重,仅供参考
公称直径近似重量公称抗拉强度1570167017701870mmInKg/100m钢丝绳最小破断力纤维芯FC钢芯IWR纤维芯FC钢芯IWR纤维芯FC钢芯IWR纤维芯FC钢芯IWR纤维芯FC钢芯IWR61/412.513.717.318.718.419.919.521.120.622.379/3217.018.723.625.525.127.126.628.728.130.485/1622.124.430.833.332.835.434.737.636.739.793/828.030.939.042.241.544.944.047.546.550.21013/3234.638.148.152.151.255.454.358.757.462.0117/1641.946.158.363.062.067.065.771.169.475.1121/249.854.969.475.073.879.878.284.682.689.4131/258.564.481.488.086.693.791.899.397.0104.0149/1667.874.794.4102.0100.0108.0106.0115.0112.0121.0165/888.697.5123.0133.0131.0141.0139.0150.0146.0158.01811/16112.0123.0156.0168.0166.0179.0176.0190.0186.0201.02013/16138.0152.0192.0208.0205.0221.0217.0235.0229.0248.0227/8167.0184.0233.0252.0248.0268.0263.0284.0277.0300.02415/16199.0219.0277.0300.0295.0319.0312.0338.0330.0357.0261234.0258.0325.0352.0346.0374.0367.0397.0388.0419.0281-1/8271.0299.0377.0408.0401.0434.0426.0460.0450.0486.0301-3/16311.0343.0433.0469.0461.0498.0489.0528.0516.0558.0321-1/14354.0390.0493.0533.0524.0567.0.0556.0601.0587.0635.034--400.0440.0557.0602.0592.0640.0628.0679.0663.0717.036--448.0494.0624.0675.0664.0718.0704.0761.0744.0804.0381-1/2500.0550.0695.0752.0740.0800.0784.0848.0828.0896.0401-19/32554.0610.0771.0833.0820.0887.0869.0840.0918.0993.0
11个粗的钢丝绳单股可以在卷扬起重安全系数范围内可以起吊1吨的重物。
钢丝绳是指用多根或多股细钢丝拧成的挠性绳索,钢丝绳是由多层钢丝捻成股,再以绳芯为中心,由一定数量股捻绕成螺旋状的绳。在物料搬运机械中,供提升、牵引、拉紧和承载之用。钢丝绳的强度高、自重轻、工作平稳、不易骤然整根折断,工作可靠。