某型城轨车钩用胶泥缓冲器检修间隔延长可行性研究  

Feasibility Research on Extending Maintenance Interval of Clay Buffer for Certain Type of Urban Rail Coupler

作　　者：宋元申 张健齐 李曜州 SONG Yuanshen;ZHANG Jianqi;LI Yaozhou(Coupler&Buffer Business Division of CRRC Braking System Co.,Ltd.,Qingdao,Shandong 266031,China)

机构地区：[1]中车制动系统有限公司钩缓研发部,山东青岛266031

出　　处：《自动化应用》2025年第4期108-111,共4页Automation Application

摘　　要：胶泥缓冲器作为车钩缓冲装置(简称“车钩”)上的核心缓冲吸能部件,随列车运用里程增加会发生力值性能衰减。对一定数量不同运用阶段的胶泥缓冲器进行力值数据的跟踪采集,分析得到最大静态阻抗力平均每1万km衰减量的变化规律,并结合目前运用里程最长的胶泥缓冲器性能参数,预测其经过拟延长里程运用后的最大静态阻抗力。将经过120万km运用后的胶泥缓冲器最大静态阻抗力人为卸载至该预测值,进行动态试验,以获得动态数据,并对列车5km/h碰撞工况进行动力学仿真计算。结果表明,该型胶泥缓冲器架修不进行性能检测,大修里程延长至拟优化检修间隔目标时,在修程服役后期存在一定的运用风险。因此,建议架修时对胶泥缓冲器进行性能检测,识别力值不符限度要求的缓冲器,分解检修恢复性能。在此基础上,可探索适当延长运用里程。As the core buffer energy-absorbing component on the coupling buffer device(referred to as"coupler"),the clay buffer will have force degradation with the increase of train mileage.Through tracking and collecting the force value data of clay buffers in different train mileage,the attenuation law of max static impedance force per 10000 km.Combined with the performance parameters of the clay buffer that had the longest used mileage currently,the max static impedance force after the application of the proposed extended mileage is predicted.The max static impedance force of the clay buffer that had been used 1.2 million kilometers is artificially unloaded to the predicted value,and the dynamic test is carried out to obtain the dynamic data,and the 5 km/h dynamic collision simulation calculation is carried out.The results show that there is no performance test in the intermediate repair of this type of clay buffer,and there is a certain risk of application in the later stage of the repair procedure when the overhaul is extended to the target of the proposed optimal maintenance interval.Therefore,it is suggested that the performance test of the clay buffer should be carried out during the intermediate repair,and the buffers whose force value do not meet the limit requirements should be identified,and the decomposition and repair should be carried to recover performance.On the basis,we can explore the appropriate extension of the mileage.

关 键 词：胶泥缓冲器 最大静态阻抗力 动态性能试验 动力学碰撞仿真 检修间隔 

分 类 号：U279.32[机械工程—车辆工程]