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首页> 外文期刊>Shock and vibration >Investigation of Load Sharing and Dynamic Load Characteristics of a Split Torque Transmission System with Double-Helical Gear Modification
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Investigation of Load Sharing and Dynamic Load Characteristics of a Split Torque Transmission System with Double-Helical Gear Modification

机译：双螺旋齿轮改造分流扭矩传动系统载荷共用和动态负荷特性研究

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摘要

A new dynamic model for a two-input two-path split torque transmission system which considers meshing error, time-varying meshing stiffness, and meshing-in impact is proposed. Time-varying meshing stiffness and meshing-in impact of each gear pair are accurately calculated based on tooth contact analysis and loaded tooth contact analysis. Equivalent displacements of eccentricity error and installation error along the meshing line of second- and third-stages gears are derived. The modified tooth surface of a third-stage double-helical gear is obtained by optimizing the amplitude of static loaded transmission error and meshing-in impact via nondominated sorting genetic algorithm-II (NSGA-II). Influence of modification on load sharing and dynamic load characteristics of split torque transmission system is investigated. The results indicate that the system’s dynamic meshing force increases when meshing-in impact is accounted for, which is unfavorable for the transmission. Following the modification of a double-helical gear, the dynamic load characteristics of the split torque transmission system are significantly improved, while its load sharing characteristics are improved to a certain extent.
机译：提出了一种新的动态模型，用于两输入二路径分流扭矩传递系统，其认为啮合误差，时变啮合刚度和啮合冲击。基于牙齿接触分析和装载的牙齿接触分析，精确地计算每个齿轮对的时变啮合刚度和啮合冲击。导出了偏心误差和沿着第二和第三级齿轮啮合线的偏心误差和安装错误的等效位移。通过优化静态加载的传输误差的幅度和通过NondoMinated分类遗传算法-II（NSGA-II）来获得第三级双螺旋齿轮的改进的齿面。研究了改进对分裂扭矩传动系统负荷共享和动态负荷特性的影响。结果表明，当占地射入冲击时，系统的动态啮合力增加，这对于传输是不利的。在修改双螺旋齿轮之后，分流扭矩传动系统的动态载荷特性得到显着提高，而其负载分配特性在一定程度上得到改善。

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