惯性往复振动机械支承刚度和偏重参数的设计  被引量:8

DESIGN OF SUPPORTING STIFFNESS AND ECCENTRIC WEIGHT PARAMETERS FOR INERTIAL RECIPROCATING MACHINES

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作  者:胡继云[1] 廉振红[1] 邵洪涛[1] 

机构地区:[1]河南工业大学机电工程学院,河南郑州450052

出  处:《河南工业大学学报(自然科学版)》2008年第1期91-94,共4页Journal of Henan University of Technology:Natural Science Edition

摘  要:建立惯性往复振动机械的力学模型和动力学方程,采用频率响应法求动力学方程的稳态解;通过激振频率和系统质量的波动对振动体振幅的影响分析,以及频率比与隔振系数和偏重参数的关系分析,提出该类振动机械合理的下限频率比;同时考虑到弹性支承在系统重力作用下的静变形应大于振动体的最大振幅,从而给出支承刚度和偏重参数设计的理论依据和方法,并通过算例进一步阐述设计方法的应用.A mechanical model and a dynamic equation of the inertial reciprocating machines were built.The steady-state solution of the equation was obtained by frequency response approach.Reasonable lowest frequency ratio of this machine was brought forward by analyzing change of vibration body amplitude due to fluctuation of exciting frequency and mass of system,as well as relationship between vibration isolation coefficient and frequency ratio,and the influence of frequency ratio to eccentric rotor parameters.At the same time,considers that static deformation of the elastic supporting due to gravitation of system must be bigger than the most amplitude of the vibration body,so gives theoretical foundation and method for the design of supporting stiffness and eccentric rotor parameters,and this method is further explained with an example.

关 键 词:惯性往复振动 频率响应 频率比 支承刚度 偏重 

分 类 号:TS210.3[轻工技术与工程—粮食、油脂及植物蛋白工程]

 

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