轻型载货汽车动力总成悬置系统振动传递特性试验研究  

An Experimental Research on Powertrain Mounting System Vibration Transfer Characteristics of Light Truck

作　　者：吴文江[1] 王务林[2] 顾灿松[2] 

机构地区：[1]天津大学 [2]中国汽车技术研究中心

出　　处：《汽车技术》2008年第3期42-45,共4页Automobile Technology

摘　　要：针对某轻型载货汽车驾驶室振动剧烈、室内噪声较大等问题,对其动力总成悬置系统的隔振特性进行了试验研究,通过测试悬置两侧的振动加速度及进行振动信号的频谱分析、相干分析和传递特性分析,找出了影响该车动力总成振动传递特性的主要因素。根据测试结果对该车发动机后悬置进行了优化设计,使其后悬置的隔振效果得到明显提高。The article aims at some problems that one light truck cab＇s violent vibration and the greater indoor noise ete.Analysed the vibration transfer characteristics of power assembly.By measuring the vibration acceleration on both sides of mounting system,the frequency spectrum analysis of vibration signal,relative analysis and transfer characteristics analysis,we find the main factor that influencing the vibration transfer characteristics of power assembly.By measuring results,the optimum design of rear mounting of engine is finished and its vibration resistance performance is improved markedly.

关 键 词：轻型载货汽车 动力总成 振动 传递特性 

分 类 号：U463.4[机械工程—车辆工程]