双质体线性振动系统的动力学研究  被引量:4

Dynamics Analysis of the Vibration System with Two Masses

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作  者:侯书军[1] 

机构地区:[1]河北科技大学机械电子工程学院,河北石家庄050054

出  处:《河北科技大学学报》2003年第2期1-4,共4页Journal of Hebei University of Science and Technology

基  金:国家自然科学重大基金资助项目(19990510);河北省自然科学基金资助项目(501246);河北省科委博士基金资助项目(01547011D)

摘  要:振动破碎机是一种可以达到粗磨效果的超细破碎机,它可以使整个粉磨流程的能耗大幅降低。但是,它是一个复杂的多自由度刚体散体强耦合振动系统,需要进行深入的研究。本文将其简化为双质体线性振动系统,对其动力学特性进行了初步分析,不仅为设计振动破碎机样机、进行实验研究提供了依据,也为其非线性动力学的研究奠定了基础。The vibratory crusher is one of the fine crushing machinery which can substitute for the coarse mill in the comminution circle to greatly reduce the energy consumption of the whole comminution circle. It is .however, a complicated strongly coupling dynamical system between the rigid-body subsystem multi-degree-of freedom and the bulk solids to be processed, and its nonlinear dynamics is required to be investigated in the future. In this paper, the vibratory crusher to be designed is modeled as two types of linear vibration system with two-degree-of freedom at first. Theoretical analysis is then carried out to get the dynamical parameters, which provide a basis not only for the design and manufacturing of a experimental vibratory crusher rig,but also for the further study on its nonlinear dynamics both experimentally and theoretically.

关 键 词:振动破碎机 双质体线性振动系统 幅频特性 非线性振动 非线性动力学 

分 类 号:TD451.01[矿业工程—矿山机电] TH113.1[机械工程—机械设计及理论]

 

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