直升机主减速器传动效率试验方法

王迪; 夏海纯; 倪德

doi:10.13224/j.cnki.jasp.2020.12.021

直升机主减速器传动效率试验方法

doi: 10.13224/j.cnki.jasp.2020.12.021

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- 文章访问数: 129
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- 被引次数: 0
出版历程
- 收稿日期: 2020-06-06
- 刊出日期: 2020-12-28

Experiment methods of transmission efficiency for helicopter main gearbox

Hunan Aviation Powerplant Research Institute,Aero Engine Corporation of China,Zhuzhou Hunan 412002,China

摘要

摘要: 基于传动效率直接、间接测试法测试原理,开展了某型直升机主减速器传动效率试验研究,对比分析了不同工况下传动效率变化规律。试验结果表明:主减速器传动效率与输入扭矩、滑油温度成正相关,与输入转速成负相关,在小扭矩状态下变化明显,且其随转速的变化率明显小于随扭矩的变化率;同时各工况下传动效率的间接测试结果均大于直接测试结果,随着输入扭矩的增加,间接测试与直接测试传动效率相对差值逐渐减小,而两者之差随转速变化不明显。误差分析结果表明:各工况下,采用间接测试法的测试极限误差均小于直接测试法,直接、间接测试法最大测试误差分别为1.28%、0.72%。
- 主减速器 /
- 传动效率试验 /
- 直接测试法 /
- 间接测试法 /
- 误差分析
Abstract: Based on the principle of direct and indirect testing methods of transmission efficiency, the transmission efficiency experiment of the helicopter main gearbox was carried out for the first time in China. The results showed that transmission efficiency was positively related to input torque and oil temperature, and negatively related to the input speed. The transmission efficiency changed obviously under low torque. The rate of change of transmission efficiency with rotating speed was obviously smaller than that with torque. The indirect testing method results of transmission efficiency were greater than direct testing method. With the increase of input torque, the relative difference between indirect and direct testing methods of transmission efficiency decreased gradually, while it was not obvious with the rotating speed. The results of error analysis showed that the limit error of indirect testing method was less than that of direct testing method, and the maximum error of direct and indirect testing method was 1.28% and 0.72%, respectively.
- main gearbox /
- transmission efficiency experiment /
- direct testing method /
- ,indirect testing method /
- error analysis

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参考文献(20)

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