中国铁道科学2025，Vol.46Issue(5)：1-10,10.DOI:10.3969/j.issn.1001-4632.2025.05.01
全尺寸高速轮轨关系试验台在牵引和制动黏着研究中的创新实践
Innovative Practices of a Full-Scale High-Speed Wheel-Rail Test Rig in Traction and Braking Adhesion Research
摘要
Abstract
Wheel-rail adhesion characteristics are critical constraints for the safe and efficient operation of high-speed railway traction and braking systems.Systematically reviewing the innovative practices and application achievements of full-scale high-speed wheel-rail relationship test rigs in traction and braking adhesion research helps promote further in-depth academic studies on wheel-rail adhesion characteristics.As an internationally leading large-scale experimental facility,this test rig achieves a maximum test speed of 500 km·h-1,equipped with multi-degree-of-freedom excitation,high-precision creep control(longitudinal creep rate accuracy better than 0.1%),and closed-loop dynamic testing capabilities for braking-anti-skid-wheel-rail interaction,thereby addressing a global gap in large-creepage adhesion testing for high-speed track and braking systems.Based on this platform,the distribution patterns of wheel-rail adhesion coefficients under high-speed water-lubricated conditions and the re-adhesion behavior under large creepage were revealed for the first time.The influence mechanisms of different wheel-rail roughness levels and various media(water,oil,antifreeze)on extremely low wheel-rail adhesion were clarified,and innovative high-speed wheel-rail adhesion and anti-skid testing methods along with relevant standards were proposed.The research outcomes have been directly applied to optimizing traction anti-slip and braking anti-skid strategies and system parameter design for China's Fuxing EMUs,significantly enhancing adhesion utilization and operational safety in complex environments for high-speed trains.This provides key experimental support and theoretical foundation for independent innovation and technological advancement in China's high-speed railway system.关键词
高速铁路/轮轨关系/试验台/黏着利用/牵引/制动Key words
High-speed railway/Wheel-rail relationship/Test rig/Adhesion utilization/Traction/Braking分类
交通工程引用本文复制引用
叶阳升,常崇义,周军,陈波..全尺寸高速轮轨关系试验台在牵引和制动黏着研究中的创新实践[J].中国铁道科学,2025,46(5):1-10,10.基金项目
国家自然科学基金资助项目(U2268212) （U2268212）
