CAJ | 학술논문

为解决充气轮胎爆胎的问题，提高车辆防刺破及越野路面的行驶性能，对非充气结构机械弹性车轮径向刚度特性及影响因素进行研究。建立了机械弹性车轮非线性有限元模型，并通过负荷特性试验验证了模型的有效性；分析了使用条件和车轮结构等因素对机械弹性车轮径向刚度的影响，揭示了地面约束、材料、垂直载荷及力矩对车轮固有频率和振型的影响规律，为机械弹性车轮结构及整车动力学特性优化提供了参考。
위해결충기륜태폭태적문제，제고차량방자파급월야로면적행사성능，대비충기결구궤계탄성차륜경향강도특성급영향인소진행연구。건립료궤계탄성차륜비선성유한원모형，병통과부하특성시험험증료모형적유효성；분석료사용조건화차륜결구등인소대궤계탄성차륜경향강도적영향，게시료지면약속、재료、수직재하급력구대차륜고유빈솔화진형적영향규률，위궤계탄성차륜결구급정차동역학특성우화제공료삼고。
A mechanical elastic wheel used for military vehicles was presented to prevent a pneumatic tyre from bursting at high speed and to obtain more favorable performances of puncture-proof and off-road reliability.The elastic wheel structure had a non-inflatable integrated configuration.To establish a finite element model of the mechanical elastic wheel,various nonlinear factors,such as,geometrical nonlinearity,material nonlinearity and contact nonlinearity were considered.The simulation results with the finite element model coincided to the results with the elasticity theory.The effects of wheel's structure and operating conditions on the radial stiffnes of the mechanical elastic wheel were analyzed.It was shown that the new analysis model closely matches the real wheel work conditions,hence this model can be used to design and optimize the mechanical elastic wheel.Based on the established finite element model,the influencing factors of ground constraint,material characteristics,load and driving torque were all discussed.The results provided a guidance for experiment study,structural optimization and improvements of the dynamic characteristics of mechanical elastic wheels and the whole vehicle.