大型设备吊装施工计算书及图纸

10.1起重机计算书 110.2卷扬机计算书 210.3钢丝绳的计算书 310.4相关图纸 5附件1 610.1起重机计算书表10.1-1100t汽车吊性能参数表100t汽车吊起重性能表工作半径（m）吊臂长度（m）M1216.220.4273339453100703.592705848570544.5766451355705849355.56351453526657464334266.548434133262074440393226207.537373530.525201583434322924191592727272522.517.5151021.9212220.516.5151118.41919.51815.5141215.71616.51614.513.61411.612.813.51312168.49.810.51110.5186.37.88.28.592066.67.27.52255.25.86.2244.24.85.2263.84.3283.13.6302.9100t吊车的最大起重吨位计算：起重能力÷工作半径=起重吨位100t.m÷20m=5t采用100t吊车，工作幅度20m，最大起重吨位为5t，制冷站屋顶设备单个最大重量为2t，吊装间距为20m，满足吊装需求。10.2卷扬机计算书表10.2-1常用材料摩擦系数表摩擦主副材料摩擦系数静摩擦系数动摩擦系数钢钢0.150.1软钢/0.2铸铁0.2-0.30.16-0.18黄铜/0.19青铜/0.18-0.15铝/0.17查表得，钢与钢之间的静摩擦系数为0.15，现场制冷机组重量为18.7吨F拉=F阻F阻=μ·GG=G1＋G2=m1g＋m2g式中：μ为静摩擦系数m1为制冷机组重量m2为地坦克重量G1为制冷机组质量G2为地坦克质量其中μ=0.15,G1=187KN,G2=1.2KN故F拉=F阻=0.15×188.2≈28.2KN=2.82吨，本工程采用大于2.82吨额定牵引拉力的卷扬机即可满足水平方向牵引荷载。考虑卷扬机钢丝绳自重及其他影响因素，故本工程计划采用5t卷扬机进行水平牵引运输。10.3钢丝绳的计算书表10.3-1钢丝绳6×37起重参数表绳径丝径钢丝总断面积（mm2）参考质量（kg/100m）钢丝破断拉力总和=公称抗拉强度（1870Mpa）*钢丝总断面积（mm2）钢丝破断拉力=钢丝破断拉力总和*换算系数（0.82）钢丝绳安全载重力=钢丝破断拉力/安全载重系数（4.0）（mm）钢丝破断拉力总和（t）钢丝破断拉力（t）钢丝绳安全载重力（t）8.70.427.8826.215.324.361.0911.00.543.5740.958.316.821.7013.00.662.7458.9711.979.822.4515.00.785.3980.2716.2913.363.3417.50.8111.53104.8421.2817.454.3619.50.9141.16132.6926.9422.095.5221.51.0174.27163.8133.2527.276.8224.01.1210.87198.2140.2432.998.2526.01.2250.95235.8947.8939.279.8228.01.3294.52276.8456.2046.0811.5230.01.4341.57321.0765.1853.4513.3632.51.5392.11368.5874.8261.3515.3434.51.6446.13419.3685.1369.8117.4536.51.7503.64473.4296.1078.8019.7039.01.8564.63530.75107.7488.3522.0943.02.0697.08655.25133.01109.0727.2747.52.2843.47792.85160.95131.9832.9952.02.41003.80943.56191.54157.0639.2756.02.61178.071107.37224.79184.3346.0860.52.81366.281284.29260.71213.7853.4565.03.01568.431474.31299.28245.4161.35钢丝绳的允许拉力计算钢丝绳允许拉力按下列公式计算：[Fg]＝αFg/K式中[Fg]——钢丝绳的允许拉力（kN）；Fg——钢丝绳的钢丝破断拉力总和（kN）；α——换算系数，按表10.3-2取用；K——钢丝绳的安全系数，按表10.3-3取用。表10.3-2钢丝绳破断拉力换算系数钢丝绳结构换算系数6×190.856×370.826×610.80表10.3-3钢丝绳的安全系数用途安全系数用途安全系数作缆风3.5作吊索、无弯曲时6~7用于手动起重设备4.5作捆绑吊索8~10用于机动起重设备5~6用于载人的升降机14依据静力学平衡分析，每个钢丝绳承受的拉力为：。根据公式[Fg]=aFg/k其中，[Fg]为钢丝绳的允许拉力；a.为换算系数。由于使用适合于制作吊索、起重绑绳的钢丝绳。故取a=0.82；k.为钢丝绳安全系数。取k=5Fg为钢丝绳的钢丝破断拉力总和，根据表10.3-1取1330.1kN。计算得出Fg=[Fg]k/a=218.1kN，最大吊装荷载为180.74KN查表可得，钢丝绳选用不小于6×37-43钢丝绳，绳径43mm，丝径2.0mm长度100m，重量