轻量化碳纤维动车组座椅骨架结构研究  

Probing into the lightweight carbon fiber seat frame structures for EMUs

作　　者：孙林峰 朱龙龙 黄珊 王令军 SUN Linfeng;ZHU Longlong;HUANG Shan;WANG Lingjun(National Innovation Center of High Speed Train(Qingdao),Qingdao,Shandong 266011,China;CRRC Qingdao Sifang Co.,Ltd.,Qingdao,Shandong 266111,China)

机构地区：[1]国家高速列车青岛技术创新中心,山东青岛266011 [2]中车青岛四方机车车辆股份有限公司,山东青岛266011

出　　处：《轨道交通材料》2025年第1期16-20,共5页Materials for Rail Transportation System

基　　金：中国国家铁路集团有限公司科技研究开发计划课题(N2022J012)。

摘　　要：针对动车组客室座椅减重及舒适性提升的要求,基于optistruct传力路径计算结果,提出了一种包含罩壳式靠背骨架、座盆式转架和一体式底架的新型碳纤维整椅骨架结构形式,采用热压罐固化成型+粘接的工艺方法,减少金属零件、提高组装效率的同时,重量可减轻30%以上,依据TB/T 3263—2011标准进行了强度仿真计算,最大应变值为6681με,满足航空领域碳纤维结构件应变≤7000με的限值要求,最大变形量为5.29 mm,满足动车组客室座椅供货技术条件中变形量≤20 mm的限值要求,为未来座椅的轻量化结构设计提供了参考。In order to reduce the weight and improve the comfort the passenger seats on EMUs,a new type of whole carbon fiber seat frame structure consisting of a shell backrest frame,a basin-type rotating frame and an integrated bottom frame is proposed based on the calculation results of the optistruct force transferring route.Autoclave curing and bonding techniques are adopted to cut down the quantity of metal parts and improve the assembly efficiency,achieving a weight reduction of more than 30%.According to TB/T 3263—2011 Standard,a strength simulation calculation is carried out,the maximum strain value is 6681μεand meets the limit re⁃quirements of strain≤7000μεfor carbon fiber structural parts in the aviation field,and the maximum deformation is 5.29 mm and sat⁃isfies the limit requirement of deformation≤20 mm specified in the technical terms of delivery for EMUs passenger seats,which provide a reference for the lightweight structural design of passenger seats in the future.

关 键 词：碳纤维 座椅骨架 轻量化 动车组 

分 类 号：U270.387[机械工程—车辆工程] U270.4[交通运输工程—载运工具运用工程]