泡沫铝夹芯板桥墩防撞装置性能分析  

Performance Analysis of Anti-Collision Device for Foam Aluminum Sandwich Plate Pier

作　　者：李之会 郑祥 许磊 崔浩然 孙豪博 LI Zhihui;ZHENG Xiang;XU Lei;CUI Haoran;SUN Haobo(School of Mechanical Engineering,Chaohu University,Hefei 238024,China)

机构地区：[1]巢湖学院机械工程学院,安徽合肥238024

出　　处：《河南科技》2024年第19期30-33,共4页Henan Science and Technology

基　　金：安徽省省级大学生创新创业项目(S202310380013,S202310380055,X202410380088)。

摘　　要：【目的】为了满足桥墩防撞装置的结构设计要求和质量需求,提高其使用寿命和综合性能,设计一种泡沫铝夹芯板桥墩防撞装置,并对其性能进行分析研究。【方法】根据原有的桥墩防撞装置,依据等质量原则,设计泡沫铝夹芯板防撞装置。使用ANSYS Workbench进行显示动力学分析,模拟车辆与桥墩正碰撞过程,提取整个碰撞周期内应力和变形量的时间历程曲线,得出动态过程中产生的最大应力和变形量。【结果】泡沫铝夹芯板桥墩防撞装置在碰撞冲击载荷作用下,整体结构的最大应力为491.02 MPa,最大变形量为280.31 mm。【结论】经过上述仿真分析可得出,该泡沫铝夹芯板结构在防撞性能方面的优越性,为后续生产泡沫铝夹芯板桥墩防撞装置提供技术支持。[Purposes]In order to meet the structural design and quality requirements of bridge pier anticollision devices,and improve its service life and comprehensive performance,a anti-collision device for foam aluminum sandwich panel was designed and its performance was analyzed.[Methods]According to the original bridge pier anti-collision device,the anti-collision device of foam aluminum sandwich panel is designed according to the principle of equal quality.By using ANSYS Workbench for display dynam⁃ics analysis,simulating the process of a vehicle colliding with a bridge pier,and extracting the time his⁃tory curve of stress and deformation throughout the entire collision cycle,this paper determines the maxi⁃mum stress and deformation generated during the dynamic process.[Findings]Under the impact load,the maximum stress of the overall structure is 491.02 MPa,and the maximum deformation is 280.31 mm.[Conclusions]After the above simulation analysis,it can be concluded that,the superiority of the foam aluminum sandwich panel structure in anti-collision performance provides technical support for the sub⁃sequent production of foam aluminum sandwich panel pier anti-collision device.

关 键 词：泡沫铝 防撞装置 显示动力学分析 

分 类 号：TH164[机械工程—机械制造及自动化]