无缝线路课程设计(2)

轮位 计算轮 项目 DF8-1 DF8-2 DF8-3 110000 3600 4.4244 DF8-4 110000 12000 14.748 DF8-5 110000 13800 16.9602 2.74201E-08 DF8-6 110000 15600 19.1724 2.97585E-09 C62-1 100000 17100 21.0159 -1.0365E-09 -0.0001 C62-2 100000 18900 23.2281 5.04113E-11 5.04113E-06 C62-3 100000 25800 31.7082 1.13509E-14 1.13509E-09 C62-4 100000 27550 33.85895 -2.7805E-15 -2.7805E-10 ∑Pμ(N) P(N) 110000 110000 x(mm) 0 βx DF8-1 μ Pμ(N) 0 1 1800 2.2122 -0.1532 -5.4814E-0.008085 07 94037.6 110000 -16851.7 889.3452 -0.0603 0.003016 0.000327 x(mm) 1800 βx 0 110000 1800 2.2122 -0.1532 110000 10200 12.5358 3.70382E-06 110000 12000 14.748 -5.4814E-07 -0.0603 110000 12000 14.748 -5.4814E-07 -0.0603 100000 13500 16.5915 8.63099E-09 0.000863 100000 15300 18.8037 7.12337E-09 0.000712 100000 22200 27.2838 -1.9593E-12 -1.9593E-07 100000 23950 29.43455 8.52817E-14 8.52817E-09 P(N) 110000 110000 2.2122 0 -0.1532 -16851.7 1 110000 DF8-2 μ Pμ(N) 76296.92 -16851.7 0.40742 x(mm) 4300 βx μ 0.0070 2000 110000 0 0 110000 8400 10.3236 5.25782E- 110000 10200 12.5358 3.70382E 110000 12000 14.748 -5.4814E- 100000 13500 16.5915 8.63099E- 100000 15300 18.8037 7.12337E 100000 22200 27.2838 -1.9593E- 100000 23950 P(N) 110000 110000 DF8-3 5.2847 2.458 97523.329.43455 6 8.52817E-0.12044 1 06 Pμ(N) 770.6484 -13248.2 110000 06 0.57836 -06 0.40742 07 -0.0603 09 0.000863 -09 0.000712 12 -1.9593E-07 -14 8.52817E-09 x(mm) 10800 βx 13.2732 1.90915E-07 0.021001 9000 11.061 1.67071E-05 110000 7200 8.8488 -0.0002 110000 0 0 1 110000 1800 2.2122 -0.1532 110000 3600 4.4244 0.008085 100000 1500 1.8435 -0.19504 -19504 100000 3300 4.0557 0.003145 100000 10200 12.5358 3.70382E-06 100000 11950 14.68655 -5.7546E-07 -0.05755 P(N) 110000 110000 DF8-4 μ Pμ(N) 74828.44 1.837776 -21.8438 110000 -16851.7 889.3452 314.4537 0.370382 x(mm) 14000 βx 12200 -4.342E-07 110000 10400 12.7816 2.14659E-06 110000 2000 2.458 -0.12044 110000 0 0 1 110000 110000 1800 2.2122 -0.1532 -16851.7 100000 3300 4.0557 0.003145 314.4537 100000 5100 6.2679 0.001925 100000 12000 14.748 -5.4814E-07 100000 13750 16.89875 2.555E-08 0.002555 P(N) 110000 110000 17.206 14.9938 3.11538E-08 0.003427 DF8-5 μ Pμ(N) 80407.19 -0.04776 0.236125 -13248.2 192.4968 -0.05481 DF8-6 x(mm) 16100 βx 19.786 14300 17.5747 110000 12500 15.3625 110000 4100 5.0389 110000 2300 2.8267 110000 0 0 100000 1500 1.8435 100000 3300 4.0557 100000 10200 12.5358 100000 11950 14.68655 83504.87 P(N) 110000 110000 9 μ Pμ(N) -5.46E-10 -6.006E-05 2.90856E-08 -2.724E-07 0.008217 -0.07463 1 -8209.76 110000 -0.19504 -19504 0.003145 3.70382E-06 -5.7546E-07 -0.05755 0.003199 -0.02996 903.8863 314.4537 0.370382 x(mm) 15600 βx 19.1724 2.97585E-09 0.000327 13800 16.9602 2.74201E-08 110000 12000 14.748 -5.4814E-07 110000 3600 4.4244 0.008085 889.3452 110000 1800 2.2122 -0.1532 110000 1500 1.8435 -0.19504 100000 0 0 1 100000 100000 1800 2.2122 -0.1532 100000 8700 10.6923 1.48974E-05 100000 10450 12.84305 1.82151E-06 0.182151 P(N) 110000 110000 C62-1 μ Pμ(N) 47265.16 0.003016 -0.0603 -16851.7 -21454.4 -15319.7 1.489737 x(mm) 18900 βx 23.2281 5.04113E-11 5.54524E-06 17100 21.0159 -1.0365E-09 110000 15300 18.8037 7.12337E-09 110000 6900 8.4801 -0.00029 110000 5100 6.2679 110000 3300 4.0557 100000 1800 2.2122 -0.1532 -15319.7 100000 0 0 1 100000 100000 6900 8.4801 -0.00029 -28.9816 100000 8650 10.63085 1.39526E-05 1.395261 P(N) 110000 110000 C62-2 μ Pμ(N) C62-3 0.001925 0.003145 211.7465 345.899 85178.47 -0.00011 0.000784 -31.8797 110000 110000 110000 110000 100000 100000 100000 100000 83858.0P(N) 110000 110000 x(mm) 25800 βx μ Pμ(N) 31.7082 1.13509E-14 1.2486E-09 24000 29.496 9.25664E-14 1.01823E-08 22200 27.2838 -1.9593E-12 -2.1553E-07 13800 16.9602 2.74201E-08 0.003016 12000 14.748 -5.4814E-07 -0.0603 10200 12.5358 3.70382E-06 0.40742 8700 10.6923 1.48974E-05 1.489737 6900 8.4801 0 0 1750 2.15075 -0.16115 -16114.8 3 -0.00029 1 -28.9816 100000 x(mm) 27550 βx 33.85895 -2.7805E-15 -3.0585E-10 25750 110000 23950 110000 15550 110000 13750 110000 11950 100000 10450 12.84305 1.82151E-06 0.182151 100000 8650 100000 1750 100000 0 0 1 100000 83886.69 P(N) 110000 110000 31.64675 29.43455 19.11095 1.34268E-14 1.47695E-09 8.52817E-14 9.38099E-09 3.54821E-09 0.00039 16.89875 14.68655 2.555E-08 -5.7546E-07 10.63085 2.15075 1.39526E-05 -0.16115 C62-4 μ Pμ(N)

0.002811 -0.0633 1.395261 -16114.8

（3）计算静弯矩M。

由上表可知，计算轮3的∑Pμ=97523.36为其中的最大值，用此值来计算静弯矩。

M0?11p???97523.36?19837949.55N?mm ?4k4?0.001229（4）计算动弯矩M。

计算内燃机车运行条件下钢轨轨底弯曲应力时，速度系数为： ??0.4v0.4?96.15??0.385 100100由计算偏载系数的公式，式中?h=75mm，测得?p?0.002?75?0.15 A．查表6-4得R时，横向水平力系数f=1.70，则为

Md?M0(1????p)f

?19837949.55?(1?0.385?0.15)?1.70?51767129.35(N?mm)

B．在直线地段上，横向水平力系数f，f?1.25 ∴ Md?M0(1????p)f

?19837949.55?(1?0.385?0.15)?1.25?38064065.7(N?mm)

（5）计算动弯应力?1d,?2d

新轨截面模量W1?396000mm,W2?339400mm则得轨底和轨头应力为： A．曲线轨底动弯拉应力：

?1d?曲线轨头动弯压应力：

33Md51767129.35??130.725MPa W1396000?2d?B．直线轨底动弯拉应力

Md51767129.35??152.525MPa W2339400