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2121 50T吊钩桥式起重机设计 50 吊钩 桥式起重机 设计

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2121 50T吊钩桥式起重机设计,2121,50T吊钩桥式起重机设计,50,吊钩,桥式起重机,设计

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各类毕业设计课程定做 Q号是1714879127 该论文含配套的图纸(需购买) 起重量Gn （t）基本尺寸数据支点反力压应力弯曲、扭转合成应力 稳定性验算 草 图 卷筒直径 D卷cm总长度LcmL1 cmL2cmL3cmL4cm卷筒壁厚(cm)卷筒槽距t(cm)钢绳张力S(kg)RA(kg)RB(kg)应力压kg/cm2许用（压）kg/cm2最大弯矩M弯(kg.cm)扭矩M扭=SD卷（kg.cm）抗弯矩W=0.8(D卷2)(cm3)应力 合kg/cm2许用弯kg/cm2实际压应力kg/cm2临界压应力kg/cm2安全系数K许用压力5中级301009247.51.343.21.31.31280122213387581500579003840085581.380065.61601.5107重级4010087.836.1744.71.41.61280140311575125175051250469943.7408657.41040150140.865.5570.31.41.617801840172019512080071250469984.255.68657.420（15）50150134.3551465.31.82272029182522155164700136000334074.05493.562.43065200184.779.117.6882.32.4410043003900743343000266200724060.252.788.258.85080200177.964.453578.452.752.85500594050601143970004400001314045.549.197.865.1备注:卷筒计算表 第64页 卷筒轴计算表起重量Gn(t)基本尺寸及数据-断面-断面-断面草图轴总长L(cm)d0(cm)d1(cm)d2(cm)R1(cm)R2(cm)L1(cm)L2(cm)L3(cm)L4(cm)L5(cm)L6(cm)作用力(kg)反力(kg)弯曲应力耐久安全系数弯曲应力耐久安全系数弯曲应力耐久安全系数RARBRR弯矩MIkg/cm抗弯矩WI( cm3)应力(kg/m2)有效应力集中系数k尺寸因素弯矩Mkg/cm抗弯矩Wcm3应力kg/m2有效应力集中系数K尺寸因素弯矩M(kg/cm)抗弯矩W (cm3)应力(kg/m2)有效应力集中系数k尺寸因素5114.287.550.20.21117.485.61852.612221338135512052170042.251510.743.72102042.24991.860.742.06352212.52822.10.823.5711287.55.50.20.210910.28117.851.414031157146011001960042.246510.744.111932042.24591.860.742.24205016.51242.20.787.3010165.887.55.50.20.2165.713.1113.818.851.418401720189416663130042.274310.742.573105042.27361.860.741.4265016.51602.20.785.7220（15）163.8119.550.20.2158.213.412321.87.52.129182522301894225280085.661710.802.935206085.66082.320.701.2881505121592.240.745.3530210.41312110.20.2205.315.2111.318.892.5430039004350385072400112.542110.684.1671600172.54162.131.681.91688073381.82.010.7010.9950205.81312110.250.25200.717.5159.2244.922.585940500060005000120000172.569510.672.5121500172.57041.940.681.285155007331161.920.708.1备注1） 耐久限 =0.436=0.436000=2580kg/cm2 2）许用安全系数：对中级：n=86 对重级： n=2固定轴计算表起重量Gn(kg) AA断面BB断面轴径挤压应力（kg/cm2）许用弯曲应力 (弯)(kg/cm2)许用剪切应力(kg/cm2)许用挤压应力(P) (kg/cm2)弯矩抗弯矩弯曲应力弯矩抗弯矩Ddlhd1b30007.84.511.71.154.33.512672023.12918624.29201208429100060035050007.85.2128.06.36.51219500454341000027.43651001000012.57.528.51.759.491660000125480438072.960.110534815000159.019.72.159.591853900125400806072.9110.6157416200001710.519.72.5511.510216880023129612750100127.517041730000201323.83.1513.1132412700031540423600220107.2151385500002515.533.25.216.71333.83