轮毂电机驱动的越野车双横臂悬架设计.doc

本科生毕业论文（设计）中文题目轮毂电机驱动的越野车双横臂扭杆弹簧悬架设计英文题目Designofthedoublewishbonearmtorsionbarspringsuspensionoftheoffroadvehicledrivenbythewheelmotor学生姓名班级学号学院专业指导教师职称中文摘要双横臂式独立悬架在汽车领域应用广泛，是最常见的悬架形式之一。双横臂式独立悬架按照上下横臂是否等长，可分为等长双横臂式与不等长双横臂式。对于不等长双横臂式悬架，只要适当地选择、优化上下横臂的长度，合理地布置上下横臂的位置，就可以使轮距和前轮定位参数变化都在可接受的限定范围内，从而保证汽车具有最佳的行驶平顺性和操纵稳定性。本文设计的越野车对动力性和通过性和行驶平顺性要求比较高。通过方案选择，机构设计，运动校核，模拟仿真等步骤逐步实现对越野车悬架的设计。关键字：双横臂悬架扭杆弹簧独立悬架越野车AbstractDoublewishboneindependentsuspensionhasawiderangeofapplicationsinautomobilefield,whichisoneofthemostcommonformofsuspension.Doublewishboneindependentsuspensioncanbeclassifiedintoequallengthdoublewishbonesuspensionandunequallengthdoublewishbonesuspensionaccordingtowhethertheupperandlowerarmsareofequallength.Asfortheunequallengthdoublewishbonesuspension,itiseasytomakethetreadandwheelalignmentparametersbewithinacceptablelimitstoensurethevehiclehasthebestridingcomfortandhandingstability,aslongaslengthoftheupperandlowerarmsareselectedandoptimizedproperly.Inthispaper,therequirementofthepower，thetrafficabilityandthetheridingcomfortoftheoff-roadvehicleisrelativelyhigh.Weachievethedesignoftheoff-roadvehiclesuspensiongraduallythroughthestepsofschemeselection,mechanismdesign,movementcheck,simulationandsoon.Keywords:Doublewishboneindependentsuspension；torsionbarspring；Independentsuspension;off-roadvehicles.目录第1章绪论...............................................1第1节悬架的发展历程与趋势...............................1第2节本课题的基本内容...................................2第2章悬架...............................................3第1节悬架概述...........................................3第2节悬架的分类与评价指标...............................4第2节轮毂电机驱动的双横臂扭杆弹簧独立悬架...............9第3章悬架主要参数的确定................................14第1节悬架静挠度.........................................14第2节悬架的动挠度.......................................15第3节悬架弹性特性......................................15第4章独立悬架导向机构的设计............................16第1节设计要求...........................................16第2节导向机构的布置参数...............................16第3节双横臂式独立悬架导向机