等负荷钢轨螺纹联接的有限元分析及结构参数优化
Journal of Tianjin University of Technology and Education(2010)
Abstract
以ANSYS为平台,对等负荷钢轨螺纹联接进行了有限元分析。仿真结果表明:通过轴向切削螺母螺纹牙的方法,可以较好地降低最大轴向应力及有效地改善应力分布不均的现象。同时,提出并验证了如果将螺旋升角进一步增大,改善的效果会更好,即最大轴向应力可降低38.9%以上。
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Key words
stress distribution,finite element,strength,nut of equal load,rail bolt
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