乏油条件下直升机传动系统弧齿锥齿轮的瞬态温度场

李飞; 王三民; 李志宾

doi:10.13224/j.cnki.jasp.2020.07.017

乏油条件下直升机传动系统弧齿锥齿轮的瞬态温度场

doi: 10.13224/j.cnki.jasp.2020.07.017

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出版历程
- 收稿日期: 2019-11-30
- 刊出日期: 2020-07-28

Transient temperature field of spiral bevel gear in helicopter transmission system under starved lubrication

School of Mechanical Engineering,Northwestern Polytechnical University,Xi’an 710072,China

摘要

摘要: 基于传热学及摩擦学原理,建立了弹流润滑和边界润滑有机结合的啮合齿面摩擦热的数学模型以及乏油润滑条件下瞬态温度场的计算方法。给出了瞬态温度场分布云图以及温度时间变化曲线,并分析功率、转速对瞬态温度场的影响。结果表明：在5 min的乏油润滑过程中,主动轮在功率从866 kW增至2 000 kW时，其最大温度升高了657 ℃,而在转速从5 000 r/min增至20 000 r/min时其最大温度降低了8502 ℃。该研究结果为无油润滑条件下直升机主减速器弧齿锥齿轮的最佳侧隙设计奠定了基础。
- 弧齿锥齿轮 /
- 乏油润滑 /
- 热流密度 /
- 瞬态温度场 /
- 传动系统
Abstract: Based on the theory of heat conduction and tribology, the mathematical model of friction heat of meshing tooth surface with the combination of elastohydrodynamic lubrication and boundary lubrication and the calculation method of transient temperature field under the condition of starved lubrication were established. The distribution of transient temperature field and the temperature time curve were given, and the influences of power and rotational speed on transient temperature field were analyzed. Results showed that in the 5 min process of starved lubrication, the maximum temperature of the driving wheel increased by 657 ℃ when the power increased from 866 kW to 2 000 kW, and decreased by 8502 ℃ when the rotating speed increased from 5 000 r/min to 20 000 r/min. The results lay a foundation for the optimal clearance design of spiral bevel gear in helicopter main reducer under the condition of oil-free lubrication.
- spiral bevel gear /
- starved lubrication /
- heat flux /
- ,transient temperature field /
- transmission system

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参考文献(18)

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