皮带机有关计算(载荷)

序号原始参数参数值主要阻力FH简化系数C圆周驱动力FU1带宽B/m1.46909.351.9274472.352带速V/m/s2.5特种阻力Fε3输送机出力Qt/h1800365.724物料容重kg/m3950特种阻力Fgl5皮带机实长m136.68309.41S1min10578.466倾角/度14主要特种阻力FS1euφ1*euφ211.567头尾滚筒高差H/m27.335675.14eu2φ23.48导料槽长/m3清扫器摩擦阻力FR9导料槽栏板间距b10.495480010上托辊间距/m1.2犁式卸料器阻力FA11上托辊转动重量/kg7.74210012上托辊阻力系数0.023附加特种阻力FS213下托辊间距/m3690014下托辊转动重量/kg7.15倾斜提升阻力FST15下托辊阻力系数0.02353631.2716电压降系数0.917多机驱动不平衡系数0.918传动效率0.8619上辊转米重6.4520下辊转米重2.3821胶带米重10.922前倾度数1.0223槽形系数Cε0.43S1=S2计算式S3=S4=1.03*S2S5=S6=1.03*S4校核输送带不打滑校核各特性点张力计算S13=S12*1.04S13＜F乘MIN，则S13＝F乘MINS14=S13+fLig(qR0+（qB+qB)*COSδ）+Fs1+FstS15=S16=1.04*S14+2FrS7=S8=1.04*S6S9=S8*1.03S10=S9+fLig(qRU+qB)+1.5FrS11=S12=1.02*S10S17=S16*1.02S18=S17+fLig(qRU+qB)+1.5FrS19=S18*1.0324前倾总长度Ln6825IV0.155626清扫器接触面积A0.0827清扫器个数128驱动点数1S21=S22=1.03*S20传动轴功率PA电机功率PM每台电机功率KW186.18267.27267.27F乘MIN31033.935F回MIN4009.8375按不打滑计算1比1105781551510896159811122316460116721711812022176320000000校核输送带下垂度校核各特性点张力计算0带宽带速V容重ρ运行堆积角托辊槽角最大倾角S1S2S5001.25900303500.012740.016170.028916501.25900303500.022490.029970.0524780029003035140.035310.046870.08219100029002035180.035500.077170.1126712000.81502035150.052220.112840.1650614001.25900303500.113700.157670.27137IvIm上部减小k1折减系数K输送量（t/h）0.036132.521011117.0754920.065659.023511212.48451240.1556140.00080.8751543790.9463567504.00284640.1848166.28840.4285770260.8199495598.6382430.117617.63770.6537202990.890448663.495691880.3392305.2957111099.064537带宽槽角槽角最小凸弧段半径30最小凸弧段半径35500303510.512.05650303513.6515.66800303516.819.27100030352124.091200303525.228.911400303529.433.73垂直拉紧重锤计算C1ABC2ABC3ABC4ABB=1400B=1400B=1400B=1400FU圆周驱动力N21573666663544227797g重力加速度m/S29.819.819.819.81eμψ2.852.852.852.85qB每米胶带质量kg/m24.6425.7624.6424.64qRu每米回程托辊旋转部分质量kg/m9.339.339.339.33f模拟摩擦系数0.030.030.030.03尾部改向滚筒距头部传动滚筒的水平距离m69.35375.595.4543.639L1垂直拉紧装置距头部传动滚筒的水平距离m8.054611.4518.35S117491.6254053.5128736.7622538.11S2=S1+2*Fr19171.6255733.5128736.7622538.11S3=1.02*S219555.0556848.1829311.4922988.87S4=S3+f*L1*g*(qRu+qB)+1.5Fr20895.5358583.2329425.9623172.32S5=S6=1.03*S421522.460340.7230308.7423867.49S7=S8=1.04*S622383.2962754.3531521.0924822.19G垂直拉紧装置合力N43905.69123095.161829.8348689.68G垂直拉紧装置重量kg4390.56912309.516182.9834868.968S9=1.03S823054.7964636.9832466.7225566.86S10=S9+f*g*(qRu+qB)+1.5Fr24803.2583605.2333466.0326199.48S11=S12=1.02*S1025299.3185277.3334135.3526723.47S13=1.04*S1226311.2888688.4235500.7627792.4Fr=A*P*U3840840A0.0120.012P100000100000U30.70.7C5AB6AB7AB8AB9AB10AB11ABB=1400B=1200B=1200B=1200B=1200B=1200B=120127797346564673918335400004000150319.819.819.819.819.819.819.812.852.852.852.852.852.852.8524.6421.1221.1221.1221.1221.1221.129.337.837.837.837.837.837.830.030.030.030.030.030.030.03297.2595120.8744.819217.9110.8281.259.9576.8716.351603.75107.622538.1128099.4637896.4914866.2232432.433243.24312187.322538.1128099.4637896.4914866.2232432.433243.24312187.322988.8728661.4538654.4215163.5433081.083308.10812431.0425800.6328746.2239309.3515302.8434444.283340.05813347.7926574.6529608.6140488.6315761.9335477.613440.2613748.2327637.6430792.9542108.1716392.436896.713577.8714298.1654212.2960401.5682596.832154.3372374.327018.1328046.385421.2296040.1568259.683215.4337237.432701.8132804.63828466.7631716.7443371.4216884.1838003.613685.20614727.1110853.432452.9250785.9617381.0363320.743711.55424164.68113070.433101.9851801.6817728.6564587.153785.78524647.97117593.234426.0653873.7518437.867170.643937.21725633.89c#1BCDE2已知条件单位参数值中间值3倾角014改向滚筒直径D1mm63026413.755改向滚筒重量G1kg89337627.956尾架重量G2kg3007H1mm8858H2mm1859H3mm94010改向滚筒趋入点力F1KN21.511改向滚筒奔离点力F2KN2212求解：A点上拉力A1KN36.5296542613A点水平力A2KN28.27514B点压力B1KN52.0386542615B点水平力B2KN28.275BCD已知条件单位参数值倾角度0改向滚筒直径Dmm500改向滚筒重量Gkg580尾架重量G1kg420Hmm750C1mm340Lmm1130矩形尾架架载荷计算书（无改向滚筒）LJS山东山矿机械有限公司改向滚筒趋入点力F2KN3改向滚筒奔离点力F1KN4.8求解：A点上拉力A1KN4.92619469A点水平力A2KN5.07B点压力B1KN-5.071150442B点水平力B2KN5.07LJS山东山矿机械有限公司ΣFX=0FAX+FBX+F1=0③绳轮组重量kg31310N改向滚筒重量kg135013500N车式拉紧装置重量kg3603600N尾架重量kg6006000N拉紧力F1=F2(KN)100100000NL(mm)47804.78mL1(mm)23902.39mL2(mm)8400.84mL3(mm)49304.93mH(mm)10001G1=改向滚筒+拉紧装置17100NG3=尾架+滑轮组6310NFBY=(-HF1-L3F2+L2G1+L1G3)/-L117898.5565NFAY=-(FBY+G1+G3-F2)-41308.5565NFAX=FBX=-F1/2-50000N因为AB两处为两块钢板所以：FAY每块钢板受力(KN)-26.85056172KN下压力FBY每块钢板受力(KN)76.63406172KN上拔力FAX=FBX每块钢板受力(KN)-32.5KN水平力由力的平衡和力矩平衡关系得以下方程式：ΣFY=0FAY+FBY+G1+G3-F2=0①ΣMA=0-HF1-L3F2+L2G1+L1G3+LFBY=0②LJS山东山矿机械有限公司已知：滚筒直径D500mmH750mmL1620mmLJS山东山矿机械有限公司H1135mmC2330mmβ0°0弧度滚筒重量450kg螺旋拉紧重量49kg尾架重量200kg滚筒趋入点张力F37.5KN滚筒奔离点张力F47.6KNH2615H3615mm尾架重心距B点距离C3810mm滚筒与螺旋拉紧重量G14990N尾架重量G尾架2000NFBY4978.5185NFAY-11968.52NFAX=FBX=(-（F3+F4)COSβ)/2-7550因为AB两处为两块钢板所以：FAY每块钢板受力(KN)7.779537037KN上拔力FBY每块钢板受力(KN)3.236037037KN下压力FAX=FBX每块钢板受力(KN)-4.9075KN水平力ΣFX=0FAX+FBX+（F3+F4)COSβ=0③ΣMA=0(H+D/2)F4*COSβ+(H-D/2)F3*COSβ+G1*(L-C2)-G尾架*（L-H3)-LFBY-(H+D/2)F4*SINβ+(H-D/2)F3*SINβ=0②由力的平衡和力矩平衡关系得以下方程式：ΣFY=0FAY+FBY+G1+G尾架-(F3+F4)SINβ=0①LJS山东山矿机械有限公司LJS山东山矿机械有限公司LJS山东山矿机械有限公司BCDE已知条件单位参数值中间值倾角01传动滚筒直径D1mm80088509.18改向滚筒直径D2mm400116066.58传动滚筒重量G1kg2004改向滚筒重量G2kg809头架重量G3kg720H0mm650H1mm800H2mm489H3mm780L1mm1335传动滚筒趋入点力F1KN77传动滚筒奔离点力F2KN45求解：A点上拉力A1KN147.