Dynamics properties of 2B<sub>0</sub> heavy haul locomotive based on longitudinal stress

XU Zi-qiang; LUO Shi-hui; MA Wei-hua

doi:10.19818/j.cnki.1671-1637.2009.03.009

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XU Zi-qiang, LUO Shi-hui, MA Wei-hua. Dynamics properties of 2B0 heavy haul locomotive based on longitudinal stress[J]. Journal of Traffic and Transportation Engineering, 2009, 9(3): 49-52. doi: 10.19818/j.cnki.1671-1637.2009.03.009

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XU Zi-qiang, LUO Shi-hui, MA Wei-hua. Dynamics properties of 2B₀ heavy haul locomotive based on longitudinal stress[J]. Journal of Traffic and Transportation Engineering, 2009, 9(3): 49-52. doi: 10.19818/j.cnki.1671-1637.2009.03.009

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Dynamics properties of 2B₀ heavy haul locomotive based on longitudinal stress

doi: 10.19818/j.cnki.1671-1637.2009.03.009

Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

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Author Bio:
XU Zi-qiang(1984-), male, doctoral student, +86-28-86465842, 87602193@163.com

LUO Shi-hui(1964-), male, professor, +86-28-86466203, shluo@home.swjtu.edu.cn
Received Date: 2009-02-20
Publish Date: 2009-06-25

Abstract

Abstract

To avoid the derailment accidents of 2B0 heavy haul locomotive in traction experiment, the principles of incline and stability for coupler under longitudinal stress were analyzed.The calculation principle of free angle for coupler was deduced.A dynamics model of coupler was set up according to the experimental data of coupler.Computation result shows that coupler's deflection under large longitudinal force is the main reason of the accidents.Coupler must have reset function to assure locomotive running security.The automatic reset ability of coupler and the characteristic of buffer have remarkable influence on the flange abrasion of wheelset.
- locomotive engineering,
- heavy haul locomotive,
- coupler,
- dynamics property

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References

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Dynamics properties of 2B₀ heavy haul locomotive based on longitudinal stress

doi: 10.19818/j.cnki.1671-1637.2009.03.009

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Dynamics properties of 2B₀ heavy haul locomotive based on longitudinal stress