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增速器设计过程.doc

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增速器设计过程.doc

设计结论设计要求功率645KW输入速度27rpm传动比80使用年限10年经过初步计算和虚拟仿真,本设计方案经静力学和动力学分析符合设计要求。初步计算(EXCEL计算)选择一级行星轮和二级平行轴齿轮机构。条件P645KW,n26.8rpm,总传动比i56.6,按三级传动取1i5,2i4.3i4行星齿轮系的设计i5555za31312328zb12512591110zc47473441np3333jzbzc/zazc1111压力角α202020200.3490660.3490660.3490660.349066啮合角αac23.523.523.523.50.4101520.4101520.4101520.410152ha1111c0.250.250.250.25σP645645645645n27272727η0.9750.9750.9750.975n1T1Ta/npKc17.0533817051.617051.617051.6nan/il135135135135Kc1.151.151.151.15Ta9549Pη/na44.4870844482.4344482.4344482.43ξ1111u1.5161291.5161291.4782611.464286K1.41.41.41.4φd0.50.50.50.5φa0.3974360.3974360.4035090.405797σH1170117011701170ac中心矩a0373.006373.1236368.751367.1417a0取整375375370368a390390456414m9.6153859.61538512.9824610.6666710101612中心矩变动系数y0.5(zazccosa/cosa10.9624990.9624990.7033650.851441ac中心矩aaym399.625399.625467.2538424.2173取值400400470425实际中心距变动系数Y110.8750.916667实际捏合角αac0.4123030.4123030.4233890.41436723.6232323.6232324.2584123.74151总变位系数xΣ1.089161.089160.967061.001128xa0.50.50.50.5xc0.589160.589160.467060.501128齿高变动系数Δy0.089160.089160.092060.084462太阳轮尺寸da310310368336ha14.108414.108422.5270416.98646hf7.57.5129b159159190172行星轮尺寸dc470470544492ha15152217hf11.608411.608418.5270413.98646b164164195177bc中心矩a0.5mzbzc390390456414bc中心距变位系数Y110.8750.916667αbc0.4123030.4123030.4233890.41436723.6232323.6232324.2584123.74151xΣ1.089161.089160.967061.001128Δy0.089160.089160.092060.084462xb1.6783191.6783191.4341191.502256内齿圈尺寸db1250125014561320ha25.891625.891637.4729629.01354hf4.283194.283192.945913.02708b159159190172二级平行轴齿轮系设计P645KW,n1135rpm,i4m12121212z1z125252525z2z2100100100100αα角度20202020α弧度0.3490660.3490660.3490660.349066ha1111c0.250.250.250.25标准高度变位角度变位dmzd1300300300300d21200120012001200dbmzcosαdb1281.9259281.9259281.9259281.9259db21127.7041127.7041127.7041127.704a750750750750a750750771.9002771αα角度202024.0722523.92206α弧度0.3490660.3490660.420140.417519invα0.0266invαinvα2x1x2tanα/z1z20.026435yaa/m01.8250161.75ΔyxΣy00.1549840.16922x100.40.680.67x200.41.31.24922xΣ1.981.91922ha1mhax1Δyha11216.818.00936ha2mhax2Δyha2127.224.96hf1mhacx1hf11510.26.96hf2mhacx2hf21519.80.009359hhahfh1272724.96936h2272724.96936dad2hada1324333.6336.0187da212241214.41249.92αaarccosdb/daαa1角度29.5248832.3171632.96337αa1弧度0.5153060.5640410.575319αa2角度22.879221.7808625.54847αa2弧度0.3993170.3801480.445905εα1.7286231.6356281.362995ηη12.1994090.803870.562439η20.807241.1312740.652754选择角度变位轴的设计太阳轮轴行星轮轴行星轮支架轴carriersunplanetarypravell1pravell2P645645645645645n26.81355762160C112112112112112d323.365188.6369DIV/0116.304774.86061romax分析建模输入功率645KW,速度26.8rpm,太阳轮速度135rpm,平行轴输出速度576rpm,功率645KW。

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