摘要
目的研究减小履带装甲车辆振动水平的途径．方法提出摇架式双层隔振系统，建立系统的动力学模型，求导并分析其传递率特性，给出确定隔振元件刚度的步骤，并以某装甲输送车作了实例计算．结果系统的转动支承轴与弹性支承点在第二峰值后的隔振区分别具有每倍频程（ｏｃｔ）１２ｄＢ和２４ｄＢ的传递率下降斜率，系统的结构系数将影响转动支承轴的传递率，转动支承轴通常会传递较多的振动力．结论该系统在履带装甲车辆动力传动装置的隔振方面具有良好的应用前景．
Aim To study the way of isolating the vibration generated by powertrain cabin in an armored tracked vehicle Methods A twostage rocking vibration isolation system was proposed, its dynamic model was developed, transmissibilities was deduced and analyzed, procedure of determining the stiffness of isolators was given and a computational example was presented Results The transmissibilities of the fixed supporting axis and the isolatorconnected point of the system after the second wave crest have the decreasing rate of 12 dB/oct and 24dB/oct, respectively The construction ratio of the system will affect the transmissibility of the fixed supporting axis that usually transmits more vibration force Conclusion This system will have fine prospects in isolating the vibration generated by powertrain cabin in an armored tracked vehicle
出处
《北京理工大学学报》
EI
CAS
CSCD
1998年第3期274-278,共5页
Transactions of Beijing Institute of Technology
基金
高等学校博士学科点专项科研基金
