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Dynamic simulation and vibration test of tooth breakage fault for metro gearbox
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Zhengbing WANG1, Ya YANG1, Jinghui LIN1, Zihao YUE2
Journal of Mechanical Strength | 2025, 47(7) : 56 - 64
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Journal of Mechanical Strength | 2025, 47(7): 56-64
• ·Fatigue·Damage·Fracture·Failure Analysis· •
Dynamic simulation and vibration test of tooth breakage fault for metro gearbox
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Zhengbing WANG1, Ya YANG1, Jinghui LIN1, Zihao YUE2
Affiliations
  • 1.School of Intelligent Manufacturing, Wuhu Institute of Technology, Wuhu 241006, China
  • 2.ZRIME Gearing Technology Co., Ltd., Zhengzhou 450001, China
Published: 2025-07-15 doi: 10.16579/j.issn.1001.9669.2025.07.007
Outline
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Metro gearbox is a key component for torque transmission in vehicles, and its failure will directly affect the safety of train operation. The vibration characteristics of tooth breakage faults in metro gearbox were studied by combining dynamic simulation and vibration test. Firstly, based on the dynamic relationships and constraint characteristics between various components of metro gearbox, a rigid-flexible coupling dynamic model of metro gearbox with tooth breakage faults was established through the impact function method, Coulomb friction model, bearing modeling, flexible body of the housing and gear system dynamics theory. The dynamic response of the gearbox under different types of tooth breakage faults was studied, and the influence of operating parameters on the vibration characteristics of tooth breakage was analyzed. Then,through vibration test, the dynamic response of metro gearbox under normal state and broken tooth fault was obtained,verifying the accuracy of the dynamic simulation model. The results indicate that the rigid-flexible coupling dynamic model can effectively calculate the acceleration response of gearbox in different operating states, provide diagnostic basis for the prediction and identification of tooth breakage faults in the gearbox.

Metro gearbox  /  Tooth breakage fault  /  Dynamic response  /  Vibration test
Zhengbing WANG, Ya YANG, Jinghui LIN, Zihao YUE. Dynamic simulation and vibration test of tooth breakage fault for metro gearbox[J]. Journal of Mechanical Strength, 2025 , 47 (7) : 56 -64 . DOI: 10.16579/j.issn.1001.9669.2025.07.007
Funding
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  • Anhui Universities Scientific Research Projects(2024AH052028; 2024AH052010)
  • Key Projects of Wuhu Institute of Technology Natural Science(wzyzrzd202410; wzyzrzd202408)
  • University-level Innovation Team of Wuhu Institute of Technology(wzykytd202403)
  • Talent Introduction Research Start-up Fund of Wuhu Institute of Technology(wzyrc202405)
Appendix
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Year 2025 volume 47 Issue 7
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70
38
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.07.007
  • Receive Date：2024-10-22
  • Online Date：2026-03-19
  • Published：2025-07-15
Article Data
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History
  • Received：2024-10-22
  • Revised：2024-11-20
Funding
Anhui Universities Scientific Research Projects(2024AH052028; 2024AH052010)
Key Projects of Wuhu Institute of Technology Natural Science(wzyzrzd202410; wzyzrzd202408)
University-level Innovation Team of Wuhu Institute of Technology(wzykytd202403)
Talent Introduction Research Start-up Fund of Wuhu Institute of Technology(wzyrc202405)
Affiliations
    1.School of Intelligent Manufacturing, Wuhu Institute of Technology, Wuhu 241006, China
    2.ZRIME Gearing Technology Co., Ltd., Zhengzhou 450001, China

Corresponding:

WANG Zhengbing, E-mail：
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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