垃圾运输车铲斗臂的失效分析与重新设计

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中图分类号： 收稿日期：2026-01-26 DOI：10.19999/j.cnki.1004-0226.2026.04.009

Failure Analysis and Redesign of Bucket Arm of Garbage Transport Vehicle

Shen Weiqinl Chen Jun1 Li Yefanl Ding Fusheng2* 1.Jiangsu Yueda Special Vehicle Co.，Ltd.，Yancheng 224oo0，China 2.School ofAutomotive Engineering，Yancheng Institute of Technology，Yancheng 224051，China

Abstract：Inresponsetothecrackproblem thatocuredinthebucketarmofacertaingarbagetransportvehicleduringactualuse， thistudyconductedafailureanalysisandstructuralimprovementhroughacombinatioofdynamicanalysisandfiniteelementsimulation.Firstly，anaccurate3DmodelofthebucketarmwasestablishedbasedonCADsoftware，andthemaximumloadanditsposition duringoperationweredeterminedthroughdynamicanalysis.Subsequentlythestaticfniteelementanalysisconductedhowedthatthe maximum stress of the bucket arm was 400.9MPa ，and its high stress area was highly consistent with the actual crack location，thus clarifyingthecauseofthecrackOnthisbasis，atargetedredesignofthebucketarmstructurewascariedout.Simulationverification underthesameoperatingconditionsshowsthatthestressvalueofthenewlydesignedbucketarmattheoriginalcrackdangerointhas been reduced to 253.3MPa ，a decrease of 36.8% ，effectively solving the problem of structural cracking. This study provides a direct reference for thereliability design and optimization ofbucket arms for similar garbage transport vehicles.

Keywords：Garbage truck;Bucketarm;Crackanalysis;Redesign

1前言

随着国内经济不断增长和城镇化水平不断提高，生活垃圾与建筑垃圾的产生量激增。（剩余4339字）