基于永磁直驱结构的柔性转向架构架横梁革新设计
杨利强1楚永萍2沈钢3
Innovative Design of Flexible Bogie Beam with Permanent Magnet Direct Drive
YANG LiqiangCHU YongpingSHEN Gang
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作者信息:1.徐州市轨道交通有限责任公司，221018,徐州；
2.南车南京浦镇车辆有限公司，210031,南京；
3.同济大学铁道与城市轨道交通研究院，201804，上海
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Affiliation:Xuzhou Metro Company Co., Ltd., 221018, Xuzhou, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2020.11.009
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中图分类号/CLCN:U270.331
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栏目/Col:研究报告
摘要:
介绍了一种基于永磁直驱结构的柔性转向架构架横梁设计。该横梁结构是关键的创新“交叉板式”结构，替换传统的箱式横梁实现了侧滚方向的柔性，具有在结构上小轴距、在强度上具有低应力、在抗菱形刚度上具有高刚度的特点。推导了交叉板关键参数对各向刚度的影响，并用有限元软件验证了所推导公式的正确性。
Abstracts:
An innovative design of flexible bogie beam structure with permanent magnet direct drive is introduced. The key of the beam structure is the innovative ‘cross board’, providing a possible flexible structure between two side frames, replacing the conventional box type beam. The structure has characteristics of smaller wheelbase, low stress in strength, high stiffness in anti-diamond stiffness. The influence of cross board key parameters on stiffness in all directions is deducted, and the derived formula is verified with finite element software.
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