一种面向航运的新型40尺双层折叠运车架设计与结构强度分析

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中图分类号：U169.3 收稿日期：2025-03-05 DOI：10.19999/j.cnki.1004-0226.2025.06.019

Abstract：Withtheincreasingdemandforeicientloadingndspaceutilizationinthelogisticstransportationindustrytraditional single-layercaracksvebecomeisufcientforodetasportatioeds，especiallforong-distaceceantransportofveicles.Toadrestisallnge，ovelfootdouble-yerfoldingcarrackspecificallydesignedfrmaritietransportatonispr posedinthispaper.Testructurallayoutensuresthatinthefoldedate，itompletelyfitsithintheintealdimensiosof4foot standardcontainerfaclitatinglandtransportandemptyrackreturn；intheunfoledstate，therackcanloadfourpassengerarsandis suitableforstackingandsecuringonshipdecks.Keycompoentsofterackincludehingebases，supportframes，andbaseframes，all madeofhigh-strengthsteeltoguaranteestructuralstrengthandrigidityunderharshmaritieconditions.Finiteelementanalysis（FEA） wasconductedonthecriticalperformanceofthesupportframe.Teresultsindicatethatunderauniformloadoftons，themaximum deformation is 3.24mm and the maximum stress is 174.4MPa ，both satisfying the design requirements.This research provides new insights and references for the design of logistics transportation equipment used in maritime applications.

Keywords：Car rack;Double-layer;Folding；maritime transportation;Structural performance

1前言

随着物流运输行业的迅速发展，运输设备的设计与优化需求日益突出。（剩余4038字）