曲柄群驱动机构刚柔耦合的动平衡研究

发布时间：2018-03-18 12:48

本文选题：曲柄群驱动机构　切入点：动平衡条件　出处：《工程设计学报》2016年05期 　论文类型：期刊论文

【摘要】：针对曲柄群驱动机构运转过程存在较大振动和噪音的问题,根据平面连杆机构动平衡理论中质量矩替代法和动量矩替代法推导出曲柄群驱动机构的动平衡条件.利用ADAMS软件建立刚性体六曲柄群驱动机构的动力学模型,并对比分析模型配重前后各曲柄固定转动副处的受载曲线,基于刚性体虚拟样机模型仿真结果得到机构刚柔耦合虚拟样机动平衡模型.该刚柔耦合模型仿真结果说明六曲柄群驱动机构摆动力和摆动力矩均得到了较好的平衡,揭示了只靠施加配重质量的曲柄群驱动机构并不能实现理想的动平衡效果.这种刚柔耦合的动平衡方法为进一步研究曲柄群驱动机构的动力学特性提供了新的思路.
[Abstract]:The crank group driving mechanism running process there is a big noise and vibration problems, based on the dynamic balancing theory of mass moment substitution and momentum planar linkage alternative method to deduce the crank drive mechanism of group dynamic balance conditions. Using ADAMS software to establish the rigid body dynamic model group six crank drive mechanism, and the comparative analysis of the load the weight curve model of crank fixed revolute pair, the simulation results of the rigid body virtual prototype model of rigid flexible coupling mechanism in virtual prototype model based on dynamic balance. The simulation results show that the rigid flexible coupling model of six crank group driving mechanism of shaking force and shaking force moment have been a good balance, revealed only by applying counterweight crank group the driving mechanism and cannot achieve the ideal balance effect. The dynamic balance method of rigid flexible coupling dynamic mechanism for the further research of crank drive group A new way of thinking is provided for the mechanical properties.

【作者单位】：陕西科技大学机电工程学院;
【基金】：国家自然科学基金资助项目(51175313)
【分类号】：TH112

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