钢丝绳计算常用系数.doc

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1、钢丝绳计算常用数据一、钢丝绳最大许用拉力计算（1）拉力计算公式：[F]≤Σsp*A/K公式中[F]——钢丝绳允许用拉力（KN）Σsp———钢丝绳破断拉力（KN）K——钢丝绳的安全系数A——折减系数（2）钢丝绳安全系数：用途安全系数用途安全系数作缆风绳3.5作吊索无弯曲时6～7用于手动起重4.5作捆绑吊索8～10用于机械起重5～6用于载人升降机14（3）考虑到钢丝绳在承载时各钢丝受力不均匀，绳芯及钢丝绳弯曲，挤压所产生的应力的影响，其理论破断拉力可按下式计算：、Sp=Σsp*A式中：Σsp为破断拉力总和，A为考虑各种附加因素和受力不均匀的折减系数，钢丝绳6*196*

2、376*618*1918*19A0.850.820.80.850.82（4）钢丝绳破断拉力1、6×19钢丝绳破断拉力直径钢丝总断面积参考重量钢丝绳的抗拉力强度（Mpa）钢丝绳/mm钢丝/mm14001550170018502000Mm2Kg/100m钢丝绳的破断拉力总和/KN6.20.414.3213.5320.0022.1024.3026.428.607.70.522.3721.1431.3034.6038.0041.3044.709.30.632.2230.4545.1049.6054.7059.6064.4011.00.743.8541.4461.3067.

3、9074.5081.1087.7012.50.857.2754.1280.1088.7097.30105.50114.5014.00.972.4968.50101.00112.00123.00134.00144.5015.51.089.4984.57125.00138.50152.00165.50178.5017.01.1108.28102.3151.50167.50184.00200.00216.5018.51.2128.87121.8180.00199.50219.00238.00257.5020.01.3151.24142.9211.50234.00257.

4、00279.50302.0021.51.4175.40165.8245.50271.50298.00324.00350.5023.01.5201.35190.3281.50312.00342.00372.00402.5024.51.6229.09216.5320.50355.00389.00423.50458.0026.01.7258.63244.4362.00400.50439.50478.00517.0028.01.8289.95274.0405.50499.00492.50536.00579.5031.02.0357.96338.3501.00554.506

5、08.50662.00715.5034.02.2433.13409.3606.00671.00736.00801.00－37.02.4515.46487.1721.50798.50876.00953.50－40.02.6604.95571.7846.50937.501025.001115.00－2、6×37钢丝绳破断拉力直径钢丝总断面积参考重量钢丝绳的抗拉力强度（Mpa）钢丝绳/mm钢丝/mm14001550170018502000Mm2Kg/100m钢丝绳的破断拉力总和/KN8.70.427.8826.2139.0043.2047.3051.5055.7011.

6、00.543.5740.9660.9067.5074.0080.6087.1013.00.662.7458.9887.8097.20106.50116.00125.0015.00.785.3980.27119.50132.00145.00157.50170.5017.50.8111.53104.8156.00172.50189.50206.00223.0019.50.9141.16132.7197.50218.50239.50261.00282.0021.51.0174.27163.8243.50270.00296.00322.00348.5024.01.1210

7、.87198.2295.00326.50358.00390.00421.5026.01.2250.95235.9351.00388.50426.50464.00501.5028.01.3294.52276.8412.00456.50500.50544.50589.0030.01.4341.57321.1478.00529.00580.50631.50683.0032.51.5392.11368.6548.50607.50666.50725.00784.0034.51.6446.13419.4624.50691.50758.00825.00892.0036.51.7

8、503.6