钢丝绳计算常用系数

钢丝绳计算常用系数钢丝绳计算常用系数钢丝绳计算常用系数精心整理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]——钢丝绳赞同用拉力（KN）Σsp———钢丝绳破断拉力（KN）——钢丝绳的安全系数——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作吊索无波折时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用于载人起落机143）考虑到钢丝绳在承载时各钢丝受力不均匀，绳芯及钢丝绳波折，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*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参照重钢丝绳的抗拉力强度（Mpa）钢丝绳钢丝断面积量14001550170018502000Kg/100/mm/mmMm2钢丝绳的破断拉力总和/KNm6.20.414.3213.5320.0022.1024.3026.428.607.70.522.3721.1431.3034.6038.0041.3044.709.30.632.2230.4545.1049.6054.7059.6064.40精心整理11.00.743.8541.4461.3067.9074.5081.1087.7012.50.857.2754.1280.1088.7097.30105.50114.5014.00.972.4968.50101.00112.00123.00134.00144.5015.51.089.4984.57125.00138.50152.00165.50178.5017.01.1108.28102.3151.50167.50184.00200.00216.5018.51.2128.87121.8180.00199.50219.00238.00257.5020.01.3151.24142.9211.50234.00257.00279.50302.0021.51.4175.40165.8245.50271.50298.00324.00350.5023.01.5201.35190.3281.50312.00342.00372.00402.5024.51.6229.09216.5320.50355.00389.00423.50458.0026.01.7258.63244.4362.00400.50439.50478.00517.0028.01.8289.95274.0405.50499.00492.50536.00579.5031.02.0357.96338.3501.00554.50608.50662.00715.5034.02.2433.13409.3606.00671.00736.00801.00－37.02.4515.46487.1721.50798.50876.00953.50－40.02.6604.95571.7846.50937.501025.001115.00－2、6×37钢丝绳破断拉力直径钢丝总参照重钢丝绳的抗拉力强度（Mpa）钢丝绳钢丝断面积量14001550170018502000Kg/100/mm/mmMm2钢丝绳的破断拉力总和/KNm8.70.427.8826.2139.0043.2047.3051.5055.7011.00.543.5740.9660.9067.5074.0080.6087.1013.00.662.7458.9887.8097.20106.50116.00125.0015.00.785.3980.27119.50132.00145.00157.50170.5017.50.8111.53104.8156.00172.50189.50206.00223.0019.50.9141.16132.7197.50218.50239.50261.00282.0021.51.0174.27163.8243.50270.00296.00322.00348.5024.01.1210.87198.2295.00326.50358.00390.00421.5026.01.2250.95235.9351.00388.50426.50464.00501.5028.01.3294.52276.8412.00456.50500.50544.50589.0030.01.4341.57321.1478.00529.00580.50631.50683.0032.51.5392.11368.6548.50607.50666.50725.00784.0034.51.6446.13419.4624.50691.50758.00825.00892.0036.51.7503.64473.4705.00780.50856.00931.501005.0039.01.8564.63530.8790.00875.00959.501040.001125.0043.02.0697.08655.3975.501080.001185.001285.001390.0047.02.2843.07792.91180.001305.001430.001560.00－52.02.41003.80943.61405.001555.001705.001855.00－56.02.61178.071107.41645.001825.002000.002175.00－3、6×61钢丝绳破断拉力直径钢丝绳

钢丝

钢丝总断面积

参照重量

1400

钢丝绳的抗拉力强度15501700

(Mpa)1850

2000精心整理/mm/mmMm2Kg/100钢丝绳的破断拉力总和/KNm11.00.445.9743.2164.3071.2078.1085.0091.9014.00.571.8367.52100.50111.00122.00132.50143.5016.50.6103.4397.22144.50160.00175.50191.00206.5019.50.7140.78132.3197.00218.00239.00260.00281.5022.00.8183.88172.8257.00285.00312.50340.00367.5025.00.9232.72218.8325.00360.00395.50430.50465.0027.51.0287.31270.1402.00445.00488.00531.50574.5030.51.1347.65326.8486.50538.00591.00643.00695.0033.01.2413.73388.9579.00641.00703.00765.00827.0036.01.3485.55456.4679.00752.50825.00898.00971.0038.51.4563.13529.3788.00872.50957.001040.001125.0041.51.5646.45607.7905.001000.001095.001195.001290.0044.01.6735.51691.71025.001140.001250.001360.001470.0047.01.7830.33780.51160.001285.001410.001535.001660.0050.01.8930.88875.01300.001400.001580.001720.001860.0055.52.01149.241080.31605.001780.001950.002125.002295.0061.02.21390.581307.11945.002155.002360.002570.00－66.52.41654.911555.62315.002565.002810.003060.00－72.02.61942.221825.72715.003010.003300.003590.00－二、钢丝绳报废标准（1）、钢丝绳直径减少，当直径磨损不高出30％，可赞同降低拉力使用，如果高出30％，要进行报废办理。（2）、钢丝绳经过长远使用后，由于受自然条件和化学腐化，当整个钢丝绳表面面受腐化的麻面，从外观检查明显时，则该钢丝绳已不能够使用。另一方面，整根钢丝绳纤维芯被挤出，使钢丝绳结构碰到破坏时，也不能够连续使用。（3）、钢丝断丝后的报废标准，见下表：钢丝绳的钢丝绳结构6×19+16×37