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针对双路功率分流系统的载荷均匀分布问题,建立了该系统的静力学模型,并根据系统构成功率流动闭环的特点,推导出扭转角变形协调条件,将该条件联立力矩平衡条件和弹性支承条件,计算出了各齿轮副传递的扭矩,得到系统的均载系数.从静力学角度分析了各构件安装误差和均载特性的关系,并分析了间隙浮动对均载特性的影响.结果表明:齿轮2存在安装误差为0.03mm的情况下,间隙量为0.8mm即可满足基本构件浮动,得到均载系数为1.003 8,间隙浮动有利于提高均载性能.对比实验和理论分析的结果,同一误差条件下,功率分配分别为53.88%和53.50%,从而验证了该方法的正确性.
Aiming at the uniform load distribution of the dual power split system, the static model of the system is established. According to the closed loop characteristics of power flow in the system, the coordination condition of torsional angle deformation is deduced. The condition of simultaneous equilibrium of moment and elastic support The torque transmitted by each gear pair is calculated and the load sharing coefficient of the system is obtained.The relationship between the installation errors and load sharing characteristics of each component is analyzed from the static point of view and the influence of the gap floating on the load sharing characteristics is analyzed.The results show that : Gear 2 installation error of 0.03mm in the case of the gap amount of 0.8mm to meet the basic components of floating to get the average load factor of 1.003 8, floating gap is conducive to improving the load-sharing performance.Compared with the experimental and theoretical analysis of the results, Under the same error condition, the power distribution is 53.88% and 53.50% respectively, which verifies the correctness of this method.