一種面向航運(yùn)的新型40尺雙層折疊運(yùn)車架設(shè)計(jì)與結(jié)構(gòu)強(qiáng)度分析

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中圖分類號(hào)：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

隨著物流運(yùn)輸行業(yè)的迅速發(fā)展，運(yùn)輸設(shè)備的設(shè)計(jì)與優(yōu)化需求日益突出。（剩余4038字）