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The Performance Analysis of Anti-rolling Torsion Bar of High-Speed Train

机译:高速列车防轧扭杆的性能分析

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Based on the anti-rolling torsion bar in CRH380B. Trying to create a3D solid model by Pro/E, and finish finite element analysis by ANSYS. At last, doing strength analysis of main bodies, and analyzing the minimum interference fit between the bar and its base, especially the first ten modes of the whole car. And at last, getting the conclusion that under the maximum force of 43.5 KN, the bar can only stand 547.7 Mpa, which is far below the yield point of 1300 Mpa, but the torsion beam can only stand 7.2 Mpa under the same circumstance, its yield point is 650 point. Both of them can meet the design standard. Under the minimum interference of 0.023 mm, the maximum force is 378 Mpa, and the maximum displacement is 0.0044 mm, all of which show that the interference is proper. The vibration frequency during mode analysis is 30 Hz, which is more than the resonance frequency of 20 Hz, so it can prevent resonance.
机译:基于CRH380B的防轧扭杆。 尝试通过Pro / E创建A3D实体模型,并通过ANSYS完成有限元分析。 最后,对主体进行强度分析,分析杆与其基地之间的最小干扰,尤其是整车的前十种模式。 最后,得出结论,在43.5 kN的最大力量下,酒吧只能稳定547.7MPa,远远低于1300 MPa的屈服点,但扭力梁只能在同样的情况下站立7.2MPa 屈服点是650点。 他们两个都可以满足设计标准。 在0.023mm的最小干扰下,最大力是378MPa,最大位移为0.0044mm,所有这些都显示干扰是适当的。 模式分析期间的振动频率为30 Hz,其比20Hz的共振频率大,因此可以防止共振。

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