中国机械工程2024，Vol.35Issue(6)：1010-1022,13.DOI:10.3969/j.issn.1004-132X.2024.06.007
斜齿轮啮合弯矩对风电齿轮箱行星轮滑动轴承瞬态润滑性能影响分析
Impact Analysis of Helical Gear Mesh Bending Moment on Planetary Gear Journal Bearings Transient Lubrication Performance in Wind Turbine Gearboxes
摘要
Abstract
The journal bearings of planetary gears in wind turbine gearboxes were often designed with the inner holes of the planetary gears and the pin shaft as the shaft sleeve and journal,respective-ly.However,the meshing bending moment of the helical gears might easily cause misalignment be-tween the planetary gears and the pin shaft,resulting in high risk of edge contact and affecting the op-erating life.Taking the planetary gear journal bearing of a 6 MW drive chain gearbox as the research object,considering the dynamic effects of radial load,bending moment,and speed of the journal bear-ing,a transient tribo-dynamic coupling model of the planetary gear journal bearing was established.The dynamic meshing force and time-varying speed of the planetary gear extracted from the SIM-PACK dynamic model of the wind turbine drive chains were used as the load and motion boundary in-puts for the planetary gear journal bearings.The influences of the helical gear meshing bending mo-ment,input torque,and journal bearing radius clearance on the lubrication performances of the plane-tary gear journal bearing were analyzed,and experimental verification was conducted.The results in-dicate that the dynamic meshing force and generated meshing moment of the planetary gear will cause dynamic cyclic changes in the axial positions and deflection angle of the planetary gear,and as the load increases,the oil film/solid contact pressure and misalignment moment of the planetary gear journal bearings will gradually increase.Reducing the radial clearances of planetary gear journal bearings may ef-fectively improve their transient lubrication performance.关键词
风电齿轮箱/滑动轴承/瞬态润滑/斜齿轮Key words
wind turbine gearbox/journal bearing/transient lubrication/helical gear分类
信息技术与安全科学引用本文复制引用
李浩,谭建军,朱才朝,孙义忠,孙章栋,王红霞..斜齿轮啮合弯矩对风电齿轮箱行星轮滑动轴承瞬态润滑性能影响分析[J].中国机械工程,2024,35(6):1010-1022,13.基金项目
国家重点研发计划(2022YFB4201100) （2022YFB4201100）
重庆市技术创新与应用发展专项重点项目(CSTB2022TIAD-KPX0051) （CSTB2022TIAD-KPX0051）
南京市科技计划(202309009) （202309009）
国家海上风力发电工程技术研究中心开放基金(HSFD22005) （HSFD22005）
