教学材料《汽车专业英语》-suspension

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Task2AutomobileChassisManual

2.4Suspension2UsageoftheSuspension1.FunctionsoftheSuspension2.StructureoftheSuspension3.KnowledgeExtension4.LearningObjectives3Whythesuspensionssystemmustbeinstalledintothevehicles?imperfection4Thecomponentsofthesuspensionsystemperformfourbasicfunctions:1.

Supportvehicleweight2.Stabilizethevehicle3.Reducetheeffectofshockforcestocontrolthe

steering4.Maintaincorrectvehiclerideheightandwheel

alignment

5Structure

6CoilSpring

Themostcommontypeofspring.Alengthofroundspringsteelrodthatiswoundintoacoil.ISandlightdutyvehicles7LeafSpring

Severallayersofsteelplates(called“leaves”)ofdifferentlengthsstackedtogethertoactasasingleunit.Trucksandheavy-dutyvehicles.8TorsionBarLong,alloy-steelbarTrucks，heavy-duty

vehiclesandoff-roaders.9AirSpringCylindricalchamberofairCompressivequalitiesofair10ShockAbsorber(SA/SHABS)1112Anti-swayBarAnti-rollbarThisdeviceisusedalongwithshockabsorberstogiveamovingcaradditionalstability.Thiscreatesamorelevelrideandreducesvehiclesway.13KnowledgeExtension

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NIS:theleftandrightwheelsbeinginterlinked;IS:eachwheelonthesameaxlemovingverticallyindependentlyofeachother.15MacphersonStrutSuspensionAdvantages:Simplestructure,occupieslittlespace,reactquickly,lowcostproduction.Shortcomings:smallcrosswisestiffness,weakstability,largercorneringinclination.Models:Smallandmedium-sizedcars,mid-andlow-standardSUV.

16DoubleWishboneSuspensionAdvantages:largercrosswisestiffness,betteranti-inclination,goodroadfeeling.Shortcomings:highcostproduction,complexaxlealignment.Models:sportscar,luxurySUV.17Multi-linkSuspensionAdvantages:bestcomfort,betterstability,improvedcontrolperformance,avoidundersteer.Shortcomings:complexstructure,highcostproduction,occupieslargespace.Models:Luxurycarandlimousine.1819底盘系统5连杆前悬架上连杆支撑连杆轮距杆减震支柱稳定杆导向杆铝质副车架，可牢固地固定在车身上，保证整车具有好的刚性，还用于转向器支架固定20铝质副车架安装在车身上，提升了前端的稳定性，为转向齿条提供了安装位置上连杆导杆支撑杆轨距杆减震支柱稳定杆转向机构下移，更加接近车轮使转向力传导更加直接而平衡，增加了车辆