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Volume 10
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10.3390/machines10111024
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Article

A Coupling Model of High-Speed Train-Axle Box Bearing and the Vibration Characteristics of Bearing with Defects under Wheel Rail Excitation

by
Qiaoying Ma
1,2,
Yongqiang Liu
2,3,*,
Shaopu Yang
2,
Yingying Liao
2,4 and
Baosen Wang
1,2
1
School of Traffic and Transportation, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
2
State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
3
School of Mechanical Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
4
School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
*
Author to whom correspondence should be addressed.
Machines 2022, 10(11), 1024; https://doi.org/10.3390/machines10111024
Submission received: 27 September 2022 / Revised: 26 October 2022 / Accepted: 28 October 2022 / Published: 4 November 2022
(This article belongs to the Section Vehicle Engineering)
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Abstract

A three-dimensional vehicle-axle box bearing coupling model is established. The model can calculate the contact force in three directions and obtain the dynamic response of axle box bearing under the real vehicle running environment. The load distribution on the double row tapered roller bearing and the vehicle is analyzed, and the co-simulation is conducted by comprehensively considering the force transmission between vehicle and bearing. Taking into account the great impact of defects on the bearing, three different types of bearing defects are added into the model, respectively. The simulation results verify the effectiveness of the model. The model is also verified by using the rolling and vibrating test rig of single wheelset. It is concluded that the simulation results show good agreement with experimental results. The influence of track irregularity on the system motion state is studied by using axis trajectory and vibration RMS (Root Mean Square value). The results show that the influence of track irregularity and wheel flat scar on axle box bearing cannot be ignored. The RMS of acceleration will change greatly due to the existence of defects. Wheel flat scar will greatly interfere with the extraction of bearing defect, but it can be selected at high speed and low frequency to monitor the existence of wheel flat scar, and select low speed and high frequency to monitor the existence of bearing defect. The research results are helpful to the detection of wheel flat scar and axle box bearing defect.
Keywords: high speed train; axle box bearing; defect; track irregularity; wheel flat scar high speed train; axle box bearing; defect; track irregularity; wheel flat scar

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MDPI and ACS Style

Ma, Q.; Liu, Y.; Yang, S.; Liao, Y.; Wang, B. A Coupling Model of High-Speed Train-Axle Box Bearing and the Vibration Characteristics of Bearing with Defects under Wheel Rail Excitation. Machines 2022, 10, 1024. https://doi.org/10.3390/machines10111024

AMA Style

Ma Q, Liu Y, Yang S, Liao Y, Wang B. A Coupling Model of High-Speed Train-Axle Box Bearing and the Vibration Characteristics of Bearing with Defects under Wheel Rail Excitation. Machines. 2022; 10(11):1024. https://doi.org/10.3390/machines10111024

Chicago/Turabian Style

Ma, Qiaoying, Yongqiang Liu, Shaopu Yang, Yingying Liao, and Baosen Wang. 2022. "A Coupling Model of High-Speed Train-Axle Box Bearing and the Vibration Characteristics of Bearing with Defects under Wheel Rail Excitation" Machines 10, no. 11: 1024. https://doi.org/10.3390/machines10111024

APA Style

Ma, Q., Liu, Y., Yang, S., Liao, Y., & Wang, B. (2022). A Coupling Model of High-Speed Train-Axle Box Bearing and the Vibration Characteristics of Bearing with Defects under Wheel Rail Excitation. Machines, 10(11), 1024. https://doi.org/10.3390/machines10111024

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