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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science >The effect of planetary gear/star gear on the transmission efficiency of closed differential double helical gear train
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The effect of planetary gear/star gear on the transmission efficiency of closed differential double helical gear train

机译：行星齿轮/星形齿轮对闭合双螺旋齿轮系传动效率的影响

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摘要

The research of transmission efficiency is of great significance for reducing energy consumption and improving the performance of the device. Researchers have done a lot of work on the calculation of transmission efficiency. However, in the present research work, the quantity of planetary gear/star gear is usually not considered and only a planetary gear/star gear is adopted in the gear transmission efficiency. In practice, in order to increase the stiffness and load capacity of gear train, a plurality of planetary gear/star gears is adopted. The closed differential double helical gear train has been widely used in many fields, such as the main reducer of aircraft engine, lifting mechanism, and the power transmission system of marine ships. Therefore, in this paper, the closed differential double helical gear train is taken as the research object and the effect of planetary gear/star gear on the transmission efficiency is analyzed. Firstly, according to the structure of closed differential double helical gear train, related kinematic analysis is given. Secondly, a graph representation is used to characterize the closed differential double helical gear train. According to the theory of virtual power, the power flow direction of closed differential double helical gear train is determined and the value of split power is obtained. According to the input and output values described in graph representation of closed differential double helical gear train, the formula of transmission efficiency is derived and the effects of planetary gear/star gear on transmission efficiency are analyzed. Finally, an illustrative example shows that compared with the theoretical value, the difference considering the effect of planetary gear/star gear on the transmission efficiency of closed differential double helical gear train is two percentage points.
机译：传输效率的研究具有重要意义，可降低能耗并提高设备性能。研究人员对传输效率的计算做了很多工作。然而，在本研究工作中，行星齿轮/星齿轮的数量通常不考虑，并且仅采用行星齿轮/星齿轮以齿轮传动效率采用。实际上，为了增加齿轮系的刚度和负载能力，采用多个行星齿轮/星齿轮。封闭的差动双螺旋齿轮系已广泛应用于许多领域，例如飞机发动机，提升机构和海船动力传动系统的主要减速机。因此，在本文中，闭合差动双螺旋齿轮系作为研究对象，分析了行星齿轮/星齿轮对传输效率的影响。首先，根据闭合差动双螺旋齿轮系的结构，给出了相关的运动分析。其次，图形表示用于表征闭合的差动双螺旋齿轮系。根据虚拟功率理论，确定了闭合差动双螺旋齿轮系的功率流动方向，并且获得了分开功率的值。根据闭合双螺旋齿轮系的曲线图表示中描述的输入和输出值，分析了传输效率的公式，并分析了行星齿轮/星齿轮对传输效率的影响。最后，说明性示例表明，与理论值相比，考虑行星齿轮/星齿轮对闭合差动双螺旋齿轮系的传动效率的差异是两个百分点。

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