50T起升機設(shè)計(帶CAD圖紙)
50T起升機設(shè)計(帶CAD圖紙),50,起升機,設(shè)計,cad,圖紙
起重量Gn (t)基本尺寸數(shù)據(jù)支點反力壓應力彎曲、扭轉(zhuǎn)合成應力 穩(wěn)定性驗算 草 圖 卷筒直徑 D卷cm總長度LcmL1 cmL2cmL3cmL4cm卷筒壁厚(cm)卷筒槽距t(cm)鋼繩張力S(kg)RA(kg)RB(kg)應力壓kg/cm2許用(壓)kg/cm2最大彎矩M彎(kg.cm)扭矩M扭=SD卷(kg.cm)抗彎矩W=0.8(D卷2)(cm3)應力 合kg/cm2許用彎kg/cm2實際壓應力kg/cm2臨界壓應力kg/cm2安全系數(shù)K許用壓力5中級301009247.51.343.21.31.31280122213387581500579003840085581.380065.61601.5107重級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備注:卷筒計算表 第64頁 卷筒軸計算表起重量Gn(t)基本尺寸及數(shù)據(jù)-斷面-斷面-斷面草圖軸總長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)彎曲應力耐久安全系數(shù)彎曲應力耐久安全系數(shù)彎曲應力耐久安全系數(shù)RARBRR彎矩MIkg/cm抗彎矩WI( cm3)應力(kg/m2)有效應力集中系數(shù)k尺寸因素彎矩Mkg/cm抗彎矩Wcm3應力kg/m2有效應力集中系數(shù)K尺寸因素彎矩M(kg/cm)抗彎矩W (cm3)應力(kg/m2)有效應力集中系數(shù)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備注1) 耐久限 =0.436=0.436000=2580kg/cm2 2)許用安全系數(shù):對中級:n=86 對重級: n=2固定軸計算表起重量Gn(kg) AA斷面BB斷面軸徑擠壓應力(kg/cm2)許用彎曲應力 (彎)(kg/cm2)許用剪切應力(kg/cm2)許用擠壓應力(P) (kg/cm2)彎矩抗彎矩彎曲應力彎矩抗彎矩Ddlhd1b30007.84.511.71.154.33.512672023.12918624.29201208429100060035050007.85.2128.06.36.51219500454341000027.43651001000012.57.528.51.759.491660000125480438072.960.110534815000159.019.72.159.591853900125400806072.9110.6157416200001710.519.72.5511.510216880023129612750100127.517041730000201323.83.1513.1132412700031540423600220107.2151385500002515.533.25.216.71333.832300085038065000220296250385備注: 1)切應力中元= 2)軸頸擠壓力公式中元2為軌板相應厚度 2=0.15(cm)3)各斷面應力均較小,不必進行耐久計算 第37頁
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