Establishment of the thermo-mechanical coupling model of axle box bearings with track irregularity excitation and analysis of its temperature characteristics

doi:10.1007/s10483-024-3188-7

Applied Mathematics and Mechanics (English Edition) ›› 2024, Vol. 45 ›› Issue (11): 1965-1986.doi: https://doi.org/10.1007/s10483-024-3188-7

收稿日期:2024-06-14 出版日期:2024-11-03 发布日期:2024-10-30

Establishment of the thermo-mechanical coupling model of axle box bearings with track irregularity excitation and analysis of its temperature characteristics

Min WANG¹^,², Shaopu YANG¹^,*(), Yongqiang LIU¹^,³, Yanhong CHEN⁴, Kai ZHANG⁵

¹ State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
² School of Traffic and Transportation, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
³ School of Mechanical Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
⁴ CRRC Tangshan Co., Ltd., Tangshan 063000, Hebei Province, China
⁵ China Water Resources Beifang Investigation, Design, and Research Co., Ltd., Tianjin 300222, China

Received:2024-06-14 Online:2024-11-03 Published:2024-10-30
Contact: Shaopu YANG E-mail:yangsp@stdu.edu.cn
Supported by:
the National Natural Science Foundation of China(12393780);the National Natural Science Foundation of China(12032017);the National Natural Science Foundation of China(12002221);the Key Scientific Research Projects of China Railway Group(N2021J032);the College Education Scientific Research Project of Hebei Province of China(JZX2024006);the S&T Program of Hebei Province of China(21567622H);the National Scholarship Council of China;Project supported by the National Natural Science Foundation of China (Nos. 12393780, 12032017, and 12002221), the Key Scientific Research Projects of China Railway Group (No. N2021J032), the College Education Scientific Research Project of Hebei Province of China (No. JZX2024006), the S&T Program of Hebei Province of China (No. 21567622H), and the National Scholarship Council of China

摘要/Abstract

Abstract:

As an important component of the running gear of high-speed trains, axle box bearings can cause lubricating grease failure and damage to bearing components under continuous high-temperature operation, which will affect the normal operation of high-speed trains. Therefore, bearing temperature is one of the key parameters to be monitored in the online monitoring system for trains. Based on the thermal network method, this paper establishes a thermal network model for the axle box bearing, considering the radial thermal deformation of the double-row tapered roller bearing components caused by the oil film characteristics and the temperature variations of the lubricating grease. A thermo-mechanical coupling model for the grease-lubricated double-row tapered roller axle box bearing of high-speed trains with track irregularity excitation is established. The correctness of the model is verified using the test bench data, and the temperature of the bearing at different rotational speeds, loads, fault sizes, and ambient temperatures are investigated.

Key words: axle box bearing, thermal network method, temperature, rotational speed

中图分类号:

70Exx

. [J]. Applied Mathematics and Mechanics (English Edition), 2024, 45(11): 1965-1986.

Min WANG, Shaopu YANG, Yongqiang LIU, Yanhong CHEN, Kai ZHANG. Establishment of the thermo-mechanical coupling model of axle box bearings with track irregularity excitation and analysis of its temperature characteristics[J]. Applied Mathematics and Mechanics (English Edition), 2024, 45(11): 1965-1986.

图/表 27

参考文献 27

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Establishment of the thermo-mechanical coupling model of axle box bearings with track irregularity excitation and analysis of its temperature characteristics

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