摘要
在车辆被动安全防护中,吸能部件的设计研究是其基本的一个环节。设计耐碰撞机车吸能装置可在车辆发生碰撞后迅速更换损坏部件,减少维修周期,节约维修成本。薄壁金属吸能结构作为一种高强重比、低成本、高吸能效率的结构,广泛应用于飞机、汽车、铁路列车和轮船等几乎所有交通工具的碰撞动能耗散系统中。对四元胞正方形结构和几种常规截面形状单元胞结构的碰撞吸能特性进行了对比分析,并考虑了厚度对薄壁元件比吸能的影响,以四元胞正方形结构为元件设计了机车防爬器-吸能装置。
In the passive protection system of railway vehicle.design of energy absorption component is a basic element.Crashworthy vehicles with Energy-absorbing component can replace this component quickly after the collision,reduce the maintenance cycle and save the cost.Energy absorption component of thin-walled metal is a ideal structure with characteristic such as high strength-weight ratio,low cost and high energy absorption ratio.This component has been widely used in almost all kinds of kinetic energy consume system such as airplane,mobile car,railway vehicle and steam ship.This paper compare the performance of the Energy absorption component with quarternary cell square shape and general single unit cell shape.Analyse the influence of the thickness of thin-walled structure.Design the Energy-absorbing anti-climb device with the quarternary cell square shape Structure.
出处
《机械》
2011年第3期1-6,共6页
Machinery
关键词
机车
耐碰撞
吸能装置
防爬器
四元胞
单元胞
locomotive
collision-resistant
energy absorption parts
anti-climb device
quarternary cell
single unit cell
