冲击工况下高速圆锥滚子轴承保持架动力学分析  

Dynamic Analysis on High-Speed Tapered Roller Bearing Cage Under Impact Conditions

作　　者：呙如兵 时大方 张晶 杨帆 张弘毅[3] GUO Rubing;SHI Dafang;ZHANG Jing;YANG Fan;ZHANG Hongyi(CRRC Qishuyan Institute Co.,Ltd.,Changzhou 213011,China;Zhejiang Tianma Bearing Group Co.,Ltd.,Huzhou 313219,China;Luoyang Bearing Research Institute Co.,Ltd.,Luoyang 471039,China)

机构地区：[1]中车戚墅堰机车车辆工艺研究所有限公司,江苏常州213011 [2]浙江天马轴承集团有限公司,浙江湖州313219 [3]洛阳轴承研究所有限公司,河南洛阳471039

出　　处：《轴承》2021年第6期7-12,20,共7页Bearing

摘　　要：基于圆锥滚子轴承零件受力模型及润滑理论建立适用于冲击工况的轴承保持架动力学模型,在此基础上,考虑联合载荷和冲击载荷的作用,基于ANSYS/LS-DYNA分析了兜孔间隙和引导间隙对保持架动态特性的影响。结果表明:冲击载荷将使保持架涡动半径增大,质心运动不稳定,保持架应力增大;随兜孔间隙增大,保持架质心运动轨迹的涡动半径增大,保持架应力减小;随引导间隙增大,保持架质心运动轨迹的涡动半径减小,保持架应力增大。Based on force model of tapered roller bearing parts and lubrication theory,a dynamic model of the bearing cage suitable for impact conditions is established.On this basis,the combined load and impact load are considered,the influence of pocket clearance and guiding clearance on dynamic characteristics of cage is analyzed based on ANSYS/LS-DYNA.The results show that the impact load increases vortex radius of cage,the center of mass motion is unstable,and the stress of cage increases;with the increase of pocket clearance,the vortex radius of cage center of mass motion trajectory increases,and the stress of cage decreases;with the increase of guiding clearance,the vortex radius of cage center of mass motion trajectory decreases,and the stress of cage increases.

关 键 词：滚动轴承 圆锥滚子轴承 保持架 动力学模型 有限元分析 

分 类 号：TH133.332[机械工程—机械制造及自动化] O313[理学—一般力学与力学基础]