中国机械工程 ›› 2026, Vol. 37 ›› Issue (2): 390-397.DOI: 10.3969/j.issn.1004-132X.2026.02.014
• 机械基础工程 • 上一篇
收稿日期:2024-08-30
出版日期:2026-02-25
发布日期:2026-03-13
通讯作者:
冯治国
作者简介:张龙望,男,1999年生,硕士研究生。研究方向为无刷直流电机及齿轮油泵基金资助:
ZHANG Longwang1,2, FENG Zhiguo1,3(
), ZHAO Lei2, ZHANG Yu2
Received:2024-08-30
Online:2026-02-25
Published:2026-03-13
Contact:
FENG Zhiguo
摘要:
针对高速航空齿轮泵间隙对效率影响的问题,建立流场仿真并结合理论模型分析,研究了不同径向与端面间隙对内泄漏及效率的影响,探究不同转速下的最佳径向与端面间隙,同时建立了多组正交试验进行验证。研究结果表明:转速增大,最佳端面间隙尺寸也增大,并且伴随转速的提高,间隙尺寸变化对燃油齿轮泵效率的影响变小。
中图分类号:
张龙望, 冯治国, 赵磊, 张宇. 高速航空齿轮泵间隙对效率影响研究[J]. 中国机械工程, 2026, 37(2): 390-397.
ZHANG Longwang, FENG Zhiguo, ZHAO Lei, ZHANG Yu. Research on Influences of High-speed Aviation Gear Pump Clearances on Efficiency[J]. China Mechanical Engineering, 2026, 37(2): 390-397.
| 模数m/mm | 0.5 |
|---|---|
| 齿数Z | 12 |
| 齿宽B/mm | 5.5 |
| 齿顶圆半径Ra/mm | 3.5 |
| 齿轮轴半径Rz/mm | 1.0 |
| 齿尖宽la/mm | 0.19 |
| 中心距a/mm | 6.0 |
| 工作转速n/(r·min | 15 000 |
表1 高速航空油泵齿轮参数
Tab.1 Gear parameters of high-speed aviation oil pump
| 模数m/mm | 0.5 |
|---|---|
| 齿数Z | 12 |
| 齿宽B/mm | 5.5 |
| 齿顶圆半径Ra/mm | 3.5 |
| 齿轮轴半径Rz/mm | 1.0 |
| 齿尖宽la/mm | 0.19 |
| 中心距a/mm | 6.0 |
| 工作转速n/(r·min | 15 000 |
| 油液密度ρ/(kg·m | 780 |
|---|---|
| 25 ℃下黏度μ/(Pa·s) | 0.000 96 |
| 出口输入压差Δp/MPa | 0.6 |
表2 RP-3煤油参数及油泵工作状况
Tab.2 Parameters of RP-3 oil and working condition
| 油液密度ρ/(kg·m | 780 |
|---|---|
| 25 ℃下黏度μ/(Pa·s) | 0.000 96 |
| 出口输入压差Δp/MPa | 0.6 |
目标齿轮 厚度 | 实际厚度 | 实际齿顶圆 直径 | 实际端面 间隙 | 实际径向 间隙 |
|---|---|---|---|---|
| 5.500 | 5.502 | 6.994 | 0.005 | 0.022 |
| 5.490 | 5.491 | 6.995 | 0.0105 | 0.0215 |
| 5.480 | 5.480 | 6.994 | 0.0155 | 0.022 |
| 5.470 | 5.471 | 6.996 | 0.0205 | 0.021 |
| 5.460 | 5.462 | 6.995 | 0.030 | 0.0215 |
表3 实验齿轮数据 (mm)
Tab.3 Experimental gear data
目标齿轮 厚度 | 实际厚度 | 实际齿顶圆 直径 | 实际端面 间隙 | 实际径向 间隙 |
|---|---|---|---|---|
| 5.500 | 5.502 | 6.994 | 0.005 | 0.022 |
| 5.490 | 5.491 | 6.995 | 0.0105 | 0.0215 |
| 5.480 | 5.480 | 6.994 | 0.0155 | 0.022 |
| 5.470 | 5.471 | 6.996 | 0.0205 | 0.021 |
| 5.460 | 5.462 | 6.995 | 0.030 | 0.0215 |
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