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1.西南交通大学 牵引动力国家重点实验室,四川 成都 610031
2.中航光电科技股份有限公司,河南 洛阳 471003
黄志辉(1966—),男,工学博士,研究员,硕士生导师,主要从事机车车辆设计及理论研究,车辆系统动力学、结构与强度等方面的研究;E-mail: hzh_95@163.com
纸质出版日期:2022-07-10,
收稿日期:2022-02-05,
修回日期:2022-04-15,
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何建明, 黄志辉, 姜旭涛, 等. 400 km/h变轨距转向架轮轴结构变形及车轴-滑动轴承接触应力分析[J]. 机车电传动, 2022,(4):17-25.
HE Jianming, HUANG Zhihui, JIANG Xutao, et al. Analysis of deformation of wheel-axle structure and contact stress of axle-sliding bearing of variable gauge bogie with a speed of 400 km/h[J]. Electric drive for locomotives, 2022,(4):17-25.
何建明, 黄志辉, 姜旭涛, 等. 400 km/h变轨距转向架轮轴结构变形及车轴-滑动轴承接触应力分析[J]. 机车电传动, 2022,(4):17-25. DOI: 10.13890/j.issn.1000-128X.2022.04.003.
HE Jianming, HUANG Zhihui, JIANG Xutao, et al. Analysis of deformation of wheel-axle structure and contact stress of axle-sliding bearing of variable gauge bogie with a speed of 400 km/h[J]. Electric drive for locomotives, 2022,(4):17-25. DOI: 10.13890/j.issn.1000-128X.2022.04.003.
针对时速400公里1 435 mm/1 520 mm变轨距转向架轮轴结构变形和车轴-滑动轴承接触问题,按照EN 13104标准计算车轴轴颈垂向载荷值;基于Hertz接触理论求解轮轨接触椭圆斑半轴长,确定车轮约束区;根据轮轴结构特点,分析其车轴-滑动轴承接触关系。通过建立轮轴结构有限元模型,研究滑动轴承内孔表面树脂厚度、车轴-滑动轴承配合间隙和离心力对轮轴结构变形、车轴-滑动轴承接触压力和树脂层切应力的影响。计算结果表明:滑动轴承内孔表面有树脂层相较于无树脂层,能够减小结构变形,显著降低车轴-滑动轴承接触压力和边缘效应;车轴-滑动轴承配合间隙在0~0.3 mm以内变化,对轮轴结构变形、车轴-滑动轴承接触压力和树脂层切应力基本无影响;车辆运行速度在0~400 km/h内增加,对结构变形影响较小,但车轴-滑动轴承接触压力和树脂层切应力均呈明显非线性增长。
For the deformation of the wheel-axle structure and the contact of the axle-sliding bearing of variable gauge bogie for
1 435 mm/1 520 mm with a speed of 400 km/h
the vertical load values of axle journals were calculated in accordance with the standard EN 13104; based on Hertz contact theory
the semi-axis lengths of wheel-rail contact elliptical spots were solved to determine the constraint area of the wheel; according to the characteristics of the wheel-axle structure
the contact relationship of axle-sliding bearing was analyzed. The finite element model of the wheel-axle structure was established to study the effects of the thickness of resin of sliding bearing
the fit clearance between the axle and sliding bearing and centrifugal force on the deformation of the wheel-axle structure
the contact pressure of axle-sliding bearing and the shear stress of resin layer. The results of the calculations show that compared with resin-free layer
the surface of the inner hole of the sliding bearing with resin
which can reduce the structural deformation and significantly decrease the contact pressure and edge effect of axle-sliding bearing. It has little effect on the deformation of the wheel-axle structure
the contact pressure of axle-sliding bearing
and shear stress of resin layer when the fit clearance between axle and sliding bearing within 0-0.3 mm. The speed of vehicle increases in the range of 0 to 400 km/h
which has little effect on the structural deformation
but the contact pressure of the axle-sliding bearing and the shear stress of the resin layer both show obvious nonlinear growth.
变轨距转向架轮轴结构车轴-滑动轴承结构变形切应力高速列车有限元分析
variable gauge bogiewheel-axle structureaxle-sliding bearingstructural deformationshear stresshigh-speed trainFEA
黄志辉, 胡飞飞, 李国栋, 等. 400 km·h-1变轨距动车组转向架关键技术综述[J]. 交通运输工程学报, 2021, 21(1): 358-368.
HUANG Zhihui, HU Feifei, LI Guodong, et al. Review on key technologies of 400 km·h-1 variable gauge EMUs bogies[J]. Journal of Traffic and Transportation Engineering, 2021, 21(1): 358-368.
李芾, 邵亚堂, 黄运华, 等. 国外变轨距列车及其转向架的发展与研究[J]. 机车电传动, 2018(3): 1-13.
LI Fu, SHAO Yatang, HUANG Yunhua, et al. Development and research of foreign gauge-changeable train and bogie[J]. Electric Drive for Locomotives, 2018(3): 1-13.
周殿买, 黄志辉, 徐彬, 等. 国外典型变轨距转向架轮轴间的磨耗分析[J]. 机车电传动, 2018(6): 42-45.
ZHOU Dianmai, HUANG Zhihui, XU Bin, et al. Wear analysis of wheel shaft in typical gauge changeable bogies abroad[J]. Electric Drive for Locomotives, 2018(6): 42-45.
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戴晓超, 王泽飞, 许东日, 等. 1 435/1 520 mm高速变轨距转向架动力学滚振试验研究[J]. 铁道科学与工程学报, 2021, 18(10): 2525-2531.
DAI Xiaochao, WANG Zefei, XU Dongri, et al. Roller rig test of vehicle dynamics for a 1 435/1 520 mm high-speed gauge-changeable bogie[J]. Journal of Railway Science and Engineering, 2021, 18(10): 2525-2531.
黄志辉, 夏朝国, 胡飞飞, 等. 变轨距轮对轴套式花键的设计[J]. 机车电传动, 2018(4): 1-5.
HUANG Zhihui, XIA Chaoguo, HU Feifei, et al. Design of axle sleeve type spline of gauge-changeable wheelset[J]. Electric Drive for Locomotives, 2018(4): 1-5.
孔瑞晨, 周殿买, 黄志辉, 等. 高速变轨距动车组转向架解锁-锁紧装置设计[J]. 机车电传动, 2018(5): 5-8.
KONG Ruichen, ZHOU Dianmai, HUANG Zhihui, et al. Design of unlocking-locking device for high-speed gauge-changeable EMUs' bogie[J]. Electric Drive for Locomotives, 2018(5): 5-8.
European Committee for Standardization. Railway applications - Wheelsets and bogies - Powered axles - Design method: BS EN 13104: 2009+A2: 2012[S]. British: British Standards Institution, 2013.
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