新型台车碰撞缓冲吸能装置研究  

Research on new type vehicle impact energy absorb device

作　　者：曹立波[1] 戴晓晶[1] 

机构地区：[1]湖南大学

出　　处：《客车技术》2007年第5期17-20,共4页Bus Technology

摘　　要：提出了一种以减振器为吸能元件的纵向碰撞、垂直吸能的新型机械缓冲吸能装置，介绍了其基本结构和工作原理。采用有限元方法建立了吸能装置的计算机仿真模型，对吸能装置的工作性能进行了计算机仿真。结果表明，通过调节减振器的高度、间距、数量等不同的初始条件，该吸能装置能够在台车碰撞实验中复现出多种波形特征的车身减速度曲线，满足汽车安全部件的试验要求。It puts forward a sort of new type mechanical energy absorb device using shock absorber as energy absorb element that makes longitudinal impact,vertical energy absorb,introduces its basic structure and operational principle.Using finite element method to establish computer simulation model of energy absorb device,it makes computer simulation on the working capacity of energy absorb device.The conclusion indicates,by adjusting the height,distance and quantity of shock absorber and different initial conditions, this energy absorb device can regain multifold wave characteristic body decelerate curve that satisfys the testing requirement for automobile security parts.

关 键 词：台车碰撞试验 吸能装置 计算机仿真 

分 类 号：U467.14[机械工程—车辆工程]