液压挖掘机整机计算书教学教材

泵风扇驱动泵型号型式最大排量（使用）qp系统最大压力PpmaxPTO口最大转速 Np容积效率ηpv总效率ηptot机械效率ηmm理论流量Qpr最大流量Qpmax风扇驱动泵消耗功率Hp风扇驱动泵最大输入扭矩Tp马达风扇马达型号风扇马达排量qm最大工作压力Pmmax容积效率ηmv总效率ηmtot机械效率ηmm最大转速Nm马达最大输出功率Hm马达最大输出扭矩Tm风扇叶片叶片型号叶片设计转速Nfan叶片设计转速下功率Hfan叶片输入扭矩Tfan

液压驱动风扇模块P1028PA08SRM5AAG4E1200000变量柱塞泵ml/rMparpm=ηptot/ηpv=qp*Np/1000L/min=Qpr*ηpvL/min=Ppmax*Qpmax/60/ηkWptot/ηptoN·m=Ppmax*qp/(2π)*ηpmKM1/19L3LWX0B4NM1/461ml/rMpa=ηmtot/ηmv=Qpmax/qm*ηmv*1000 rpm=Pmmax*qm*Nm*ηmm kW=Pmmax*qm/(2π)*ηmm N·m650/14-14/45°/PAG/4ZL/Tp2.5%rpmkWN·m

921/2150953/21001032/2001083/1901120/1801159/1701186/1601213/1501200/1401180/1301150/1201170/1101085/1000000000000024.825.325.927.228.028.028.028.028.028.028.028.028.028.022.022.022.022.022.018.517.015.013.512.010.08.57.05.5220021502100200019001800170016001500140013001200110010000.930.950.950.950.950.950.950.950.950.950.950.950.950.950.890.890.890.890.890.890.890.890.890.890.890.890.890.890.960.940.940.940.940.940.940.940.940.940.940.940.940.9454.654.454.454.453.250.447.644.842.039.236.433.630.828.050.751.751.751.750.547.945.242.639.937.234.631.929.326.621.321.721.721.721.216.914.712.210.38.56.65.23.92.897.699.5101.9107.0110.292.685.175.167.660.150.142.635.027.519.0019.0019.0019.0019.0019.0019.0019.0019.0019.0019.0019.0019.0019.0022.022.022.022.022.018.517.015.013.512.010.08.57.05.50.900.900.900.900.900.900.900.900.900.900.900.900.900.900.850.850.850.850.850.850.850.850.850.850.850.850.850.850.942404244824482448239422682142201618901764163815121386126017.614.514.514.514.211.39.88.16.95.74.43.52.61.962.856.556.556.556.547.643.738.634.730.825.721.818.014.1240015.5061.50液压主泵参数、功率、扭矩液压主泵型号K5V200DTH1×5R-9N4H-V型式双变量泵，恒功率、交叉控制单个主泵最大排量qPmaxml/r单个主泵最小排量qpminml/r系统压力PMpa辅助泵型号ZX15LHRZ1-07A-V辅助泵排量qAml/r伺服系统压力PAMpa主泵转速nerpm辅助泵转速nerpm主泵容积效率（最大压力和最大排量）ηv主泵机械效率ηm辅助泵效率η辅助泵理论流量QAL/min辅助泵输入功率NAkW辅助泵输入扭矩N·m发动机额定功率NekW辅助泵+功率空调+风扇功率kWN空主泵最大输入功率NPkW单个主泵理论最大流量L/minQmax1L/min系统最大总流量Qmax主泵起调压力P0Mpa最高压力时系统最大流量Q0L/min泵最大输入扭矩MN·m发动机扭矩889N·m/2200rpm回转机构参数、回转速度、回转力矩M5×180CHB-10A-回转马达+减速机型号3NA/265-RG20D25G2-140制动力矩N·m马达数量num回转马达排量qSMml/r回转系统压力PSMpa回转工作压力下，闲置泵消耗发动机最小功率kW回转马达是单泵供油，工作压力下最大流量QsL/min回转减速机速比i1输出轴齿数z1回转齿圈齿数z2终传动速比i2马达容积效率ηV2马达机械效率ηm减速机及齿圈机械效率ηm

200200200200200200200200200200200200200200181818181818181818181818181834.334.334.334.334.334.334.334.334.334.334.334.334.334.315151515151515151515151515153.93.93.93.93.93.93.93.93.93.93.93.93.93.922002150210020001900180017001600150014001300120011001000220021502100200019001800170016001500140013001200110010000.960.960.960.960.960.960.960.960.960.960.960.960.960.960.970.970.970.970.970.970.970.970.970.970.970.970.970.970.950.950.950.950.950.950.950.950.950.950.950.950.950.9533.0032.2531.5030.0028.5027.0025.5024.0022.5021.0019.5018.0016.5015.002.262.212.162.051.951.851.741.641.541.441.331.231.131.039.319.319.319.319.319.319.319.319.319.319.319.319.319.31205207.5210183.6183.6211207199191180160142117.511328.628.928.928.828.223.821.418.816.815.012.911.410.08.8172.4174.6177.2151.2151.9183.5182.0176.7170.9162.0144.3128.1105.3102.1422.4412.8403.2384.0364.8345.6326.4307.2288.0268.8249.6230.4211.2192.0844.8825.6806.4768.0729.6691.2652.8614.4576.0537.6499.2460.8422.4384.011.912.312.811.512.115.516.216.717.317.516.816.214.515.5289.5293.2297.5254.0255.1308.2305.6296.8287.0272.0242.3215.0176.8171.5756.2783.6814.1729.6771.5983.81032.91065.81099.31116.21070.81029.7923.3985.32.8%3.0%2.8%17.9%17.6%3.0%2.7%3.0%3.0%1.2%4.2%5.9%17.3%5.8%96796796796796796796796796796796796796796711111111111111180.1180.1180.1180.1180.1180.1180.1180.1180.1180.1180.1180.1180.1180.127.527.527.527.527.527.527.527.527.527.527.527.527.527.51.091.061.040.990.940.890.840.790.740.690.640.590.540.50344.5348.9354.2302.1303.6345.6326.4307.2288.0268.8249.6230.4210.6192.025.225.225.225.225.225.225.225.225.225.225.225.225.225.2111111111111111111111111111178787878787878787878787878787.097.097.097.097.097.097.097.097.097.097.097.097.097.090.960.960.960.960.960.960.960.960.960.960.960.960.960.960.970.970.970.970.970.970.970.970.970.970.970.970.970.970.90.90.90.90.90.90.90.90.90.90.90.90.90.9主要液压性能参数计算 1/2回转马达转速 nSM工作压力下，最大回转速度nS单个回转马达输出扭矩 MSM回转力矩MS回转消耗发动机最大功率Nsmax占发动机有效功率的比值行走性能计算基本参数计算用整机质量 G行走马达减速机型号 KYB/170VP-5000减速机最大制动力矩驱动轮节圆直径 Dk轮距L轨距A行走减速机速比 i行走马达低速档 q1行走马达高速速档 q2驱动力矩、行走牵引力行走马达机械效率 ηMm行走马达容积效率 ηMv行走减速机机械效率 ηJm行走系统压力 P以低速档计算牵引性能马达输出扭矩 MM行走减速机输出扭矩 ML最大牵引力Fmax以高速档计算牵引性能马达输出扭矩 MM行走机构输出扭矩 ML最大牵引力Fmax爬坡能力设爬坡能力为：爬坡角度α坡度阻力W1滚动阻力系数f滚动阻力W2履带内阻力W3爬坡总阻力W履带与地面附着系数ψ坡道上附着力F低速档牵引力 Fmax是否大于爬坡总阻力W是否符合附着力限制条件原地转弯能力运行比阻力值ω 1（表4-4）转弯时履带板侧边刮土的附加阻力系数β履带与地面的摩擦系数μ 1，0.5~0.6运行阻力Wy(两条履带)转弯阻力Wz原地转弯总阻力W低速档牵引力 Fmax是否大于原地转弯总阻力 W平地行走速度平地行走阻力工作压力下，单个马达最大流量Q1高速行驶时马达转速nM1高速行驶时驱动轮转速n L1系统工作压力下高速行驶速度V1低速行驶时马达转速nM2低速行驶时驱动轮转速n L2系统工作压力低速行驶速度V2接地比压 GB/T7586-1996标配履带板宽 B履带高度h接地比压p制动力 GB/T19929-2005单个制动阀提供的制动力矩平地制动力27°(50%)斜坡是否能实现(停放)制动

rpm1836.31860.01887.91610.41618.21842.21739.81637.51535.11432.81330.51228.11122.41023.4rpm10.2810.4110.579.019.0610.319.749.168.598.027.456.876.285.73N·m764.6764.6764.6764.6764.6764.6764.6764.6764.6764.6764.6764.6764.6764.6kN·m122965122965122965122965122965122965122965122965122965122965122965122965122965122965kW169.6171.7174.3148.7149.4170.1160.7151.2141.8132.3122.9113.4103.694.598.3%98.4%98.4%98.3%98.4%92.7%88.3%85.6%82.9%81.7%85.2%88.6%98.5%92.5%kg3250032500325003250032500325003250032500325003250032500325003250032500N·m3054030540305403054030540305403054030540305403054030540305403054030540mm732.8732.8732.8732.8732.8732.8732.8732.8732.8732.8732.8732.8732.8732.8mm41404140414041404140414041404140414041404140414041404140mm2590259025902590259025902590259025902590259025902590259064.73964.73964.73964.73964.73964.73964.73964.73964.73964.73964.73964.73964.73964.739ml/r170170170170170170170170170170170170170170ml/r113.1113.1113.1113.1113.1113.1113.1113.1113.1113.1113.1113.1113.1113.10.950.950.950.950.950.950.950.950.950.950.950.950.950.950.960.960.960.960.960.960.960.960.960.960.960.960.960.960.880.880.880.880.880.880.880.880.880.880.880.880.880.88Mpa34.334.334.334.334.334.334.334.334.334.334.334.334.334.3N·m881.6881.6881.6881.6881.6881.6881.6881.6881.6881.6881.6881.6881.6881.6N·m5022750227502275022750227502275022750227502275022750227502275022750227kN274.2274.2274.2274.2274.2274.2274.2274.2274.2274.2274.2274.2274.2274.2N·m586.5586.5586.5586.5586.5586.5586.5586.5586.5586.5586.5586.5586.5586.5N·m3341633416334163341633416334163341633416334163341633416334163341633416kN182.40182.40182.40182.40182.40182.40182.40182.40182.40182.40182.40182.40182.40182.4070%70%70%70%70%70%70%70%70%70%70%70%70%70%(°)34.9934.9934.9934.9934.9934.9934.9934.9934.9934.9934.9934.9934.9934.99kN182.6182.6182.6182.6182.6182.6182.6182.6182.6182.6182.6182.6182.6182.60.120.120.120.120.120.120.120.120.120.120.120.120.120.12kN31.331.331.331.331.331.331.331.331.331.331.331.331.331.3kN19.119.119.119.119.119.119.119.119.119.119.119.119.119.1kN252.2252.2252.2252.2252.2252.2252.2252.2252.2252.2252.2252.2252.2252.20.700.700.700.700.700.700.700.700.700.700.700.700.700.70kN260.9260.9260.9260.9260.9260.9260.9260.9260.9260.9260.9260.9260.9260.9是是是是是是是是是是是是是是是是是是是是是是是是是是是是0.120.120.120.120.120.120.120.120.120.120.120.120.120.121.151.151.151.151.151.151.151.151.151.151.151.151.151.150.60.60.60.60.60.60.60.60.60.60.60.60.60.6kN19.119.119.119.119.119.119.119.119.119.119.119.119.119.1kN175.6175.6175.6175.6175.6175.6175.6175.6175.6175.6175.6175.6175.6175.6kN194.8194.8194.8194.8194.8194.8194.8194.8194.8194.8194.8194.8194.8194.8是是是是是是是是是是是是是是L/