囊式空气弹簧力学特性分析与研究  

Analysis of the Mechanical Properties of Air Spring

作　　者：佟雪峰[1] 陈克[1] 王新芳[1] 张中生[2] 贺鹏[3] 

机构地区：[1]沈阳理工大学汽车与交通学院,辽宁沈阳110159 [2]中国北方车辆研究所,北京100072 [3]大连交通大学软件学院,辽宁大连116028

出　　处：《沈阳理工大学学报》2011年第5期63-67,共5页Journal of Shenyang Ligong University

摘　　要：空气弹簧是空气悬架的关键部件,空气弹簧的力学性能对空气悬架的影响很大。空气悬架具有变刚度非线性阻尼特性,可改善汽车的操纵稳定性和行驶平顺性,其特征曲线可设计成符合车辆振动规律的理想特性曲线。本文根据气体状态方程,推导囊式双变角型空气弹簧刚度与形状系数、内压、容积的关系表达式,建立空气弹簧的数学模型,仿真分析空气弹簧刚度与几何形状系数、弹簧内压、弹簧容积的变化关系。为空气弹簧的设计提供参考和依据.Air spring is the key component of the air suspension. The mechanical properties of air spring play a great role in air suspension. The air suspension has the characteristics of nonlinear variable spring rate. To improve vehicle handling stability and ride comfort, the characteristic curve can be designed to comply with the vehicle vibration. According to the basic theory of mechanics, the geometric shape factors and spring rate of dual variable angle air spring is derived, the mathematical model of dual-angle-type air springs is established, the geometric shape factor, the relationship between the air spring stiffness and spring pres- sure and the spring volume are simulated and analyzed. As a result a reference and basis for the air spring design are obtained.

关 键 词：空气弹簧 弹簧刚度 力学特性 弹簧容积 弹簧内压 

分 类 号：TB533.2[理学—物理]