具有弹性辐板的并车齿轮传动系统动力学特性研究
Study on Dynamics Characteristics of Combining Gear Drive System with Elastomeric Web

针对双发动机驱动的弹性辐板并车齿轮传动系统的扭转振动问题,采用集中参数法建立了并车齿轮传动系统的非线性动力学模型,用增量谐波平衡法求解得到了系统的非线性动力学响应。分析了辐板刚度和阻尼对传动系统振动的影响。数值研究结果表明:在不同的辐板刚度条件下,并车传动系统会出现次谐波响应、拟周期响应以及混沌响应等典型的非线性振动特性;当辐板刚度达到109N/m时,系统动载系数激增到最大值1.35;辐板阻尼对动载系数的影响也是非线性的,但总体上随着阻尼比的增加,动载系数呈下降的趋势。
For the combining gear drive with elastomeric web, the lumped parameter method is used to establish a nonlinear dynamics model of torsional vibration, and the incremental harmonic balance method is used to obtain the nonlinear dynamic responses of the system. The influence of stiffness and damping of the elastomeric web on system vibration is analyzed. Numerical results show that under different stiffnesses of the elastomeric web, system would appear harmonic response, quasi-periodic and chaotic response, which are typical nonlinear vibration characteristics; when the elastomeric web stiffness reaches 109 N/m, the systematic dynamic load factor surges to the maximum, 1.35; the effect of the elastomeric web damping on the dynamic load coefficient is also non-linear, but on the whole, the dynamic load factor decreases with the increase of the damping ratio