摘要
海上平台行星减速器中的低速重载齿轮传动由于摩擦生成热量较大,不仅影响到减速器的整体温度,而且轮齿间相互接触处由于摩擦引起的高温引起附加热应力,严重影响轮齿间的传动性能、工作可靠性及其使用寿命。结合齿轮传动的传热学、摩擦学及有限元原理,建立了行星减速器三维热分析有限元模型,计算了不同环境温度和相同环境温度但冷却位置不同时,处于热平衡状态下的齿轮零件热力图,分析了减小热应力应该采取的有效方法。研究结果表明,采用有限元法求解齿轮传动温度分布、热应力等问题,比较精确、方便、直观,便于采用更有效、更有针对性的措施。
In the planetary gear reducer with low-speed and heavy-load on offshore platforms,its friction generates a larger heat as a result it not only affects the overall temperature of the reducer,and cause additional thermal stress as well.It is severely affected by tooth transmission performance,reliability and service life.Therefore,the combination of the heat transfer theory,tribology and finite element theory,a planetary reducer three-dimensional finite element model of thermal analysis was established.The thermal map of gear parts in a state of thermal equilibrium was calculated and the different ambient temperature and the same ambient temperature but different cooling location was analyzed.The effective way of reducing the thermal stress should be analyzed.The results showed that using finite element method for solving the temperature distribution of gear,thermal stress and other issues would be more precise,convenient,intuitive,easy to adopt.
出处
《石油矿场机械》
2010年第2期76-78,共3页
Oil Field Equipment
基金
湖北省重点实验室开放基金重点项目(200704B)
关键词
热分析
低速重载
齿轮传动
冷却
thermal analysis
low-speed and heavy-load
gear transmission
cooling