风电齿轮箱行星齿轮滑动轴承的润滑性能  

Lubrication Performance of Sliding Bearings for Planetary Gears in Wind Turbine Gearboxes

作　　者：赵东旭 张彬彬 马子魁 ZHAO Dongxu;ZHANG Binbin;MA Zikui(Schaeffler Trading(Shanghai)Co.,Ltd.(Anting R&D Center),Shanghai 201804,China)

机构地区：[1]舍弗勒贸易(上海)有限公司(安亭研发中心),上海201804

出　　处：《轴承》2024年第9期28-36,共9页Bearing

摘　　要：为研究风电齿轮箱行星齿轮滑动轴承的润滑性能,基于雷诺方程建立了滑动轴承动压润滑性能的计算模型,分析了工况和结构参数对滑动轴承润滑性能的影响。结果表明:在径向载荷和力矩的作用下,滑动轴承的油膜压力主要集中于轴向两端位置;当周向油槽为180°,不考虑修形,且径向载荷发生偏移时,滑动轴承的最大油膜压力增大,最小油膜厚度减小;相较于周向油槽为180°,周向油槽为360°时滑动轴承的承载能力明显降低;当周向油槽为180°时,油膜压力过于集中不利于滑动轴承的正常运行,全圆弧修形能够改善滑动轴承的油膜压力分布。In order to study the lubrication performance of sliding bearings for planetary gears in wind turbine gearboxes,a calculation model of hydrodynamic lubrication performance of the bearings is established based on Reynolds equation,and the effects of operating conditions and structural parameters on lubrication performance of the bearings are analyzed.The results show that under action of radial load and torque,the oil film pressure of the bearings is mainly concentrated at axial ends;when the circumferential oil groove is 180°without considering profiling,and the radial load is offset,the maximum oil film pressure of the bearings increases and the minimum oil film thickness decreases;compared with circumferential oil groove of 180°,the load capacity of the bearings is reduced significantly when the circumferential oil groove is 360°;when the circumferential oil groove is 180°,the oil film pressure is too concentrated,which is not conducive to normal operation of the bearings,and the full arc profiling can improve the oil film pressure distribution of the bearings.

关 键 词：滑动轴承 风电轴承 风力发电机组 行星齿轮 径向载荷 最小油膜厚度 

分 类 号：TH133.31[机械工程—机械制造及自动化] TH117.1