汽车转向系发展史.doc

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1、HistoryofthedevelopmentoftheSteeringSystemSteeringsystemisnecessaryinvehiclesystemisthebasicsystemdriverthroughthesteeringwheeltomanipulateandcontrolcarsdirectionoftravelsoastorealizetheintentionofhisdriving. Formorethan100yearsautomobileindustrywithmechanicalandelectr

2、onictechnologydevelopmentandprogress. Todaythecarisnotpurelymechanicalsenseofacaritisthemechanicalelectronicmaterialsandothercomprehensiveproduct. Steeringsystemwiththedevelopmentofthecarindustryafterthelongevolution. Thetraditionalsteeringsystemismechanicalsteeringsys

3、temautomotivesteeringwheelbypilotcontrolthroughsuchaseriesofmechanicalpartssteeringwheeltorealizethedeflectionsoastorealizethesteering. Asinthe1950shydraulicpowersteeringsysteminautomotiveapplicationsmarkedthebeginningofsteeringsystem. Sourcesofpowersteeringbyprevioush

4、umantohumanandhydraulicbooster. HydraulicboosterHPSHydraulicPowerSteeringisintheSteeringsystembasedonthemechanicalandHydraulicsystemincreaseda.Thehydraulicsystemandtheenginewhenthegeneralpartoftheenginestartsprovideautomobileenginepowerforwardanotherpartofthekineticene

5、rgyofhydraulicsystemforpower. Duetoitsreliableworkmaturetechnologystillhasbeenwidelyused. Thesteeringsystemofthemaincharacteristicisthefluidpressurereducedriverssupportinthesteeringwheelimprovedthesteeringlightandautooperationstability. Butatthesametimetherearealsosome

6、hydraulicpowersystemflaw:Aimingatvehicledesignandmanufactureafterthecompletionofthevehiclesteeringdynamicalcharacteristicscannotchange. Thedirectconsequenceisthatwhenthedynamicalcharacteristicsinlowpowercarinlowsegmentcangetverygoodbutinhigh-speedperiodhasgoodwaytosens

7、ebecausecannotadjustdynamicalcharacteristicsnobetterwaydriversWhenthedynamicalcharacteristicsinhighpowernotverygoodatlowsegmenttprompteffectIfnotaimingtovehiclehydraulicsystemmustalsobeintheenginedriving. AsaresulttheenergyconsumptionincreasefuelengineExistinghydraulic

8、oilleakageproblemsshouldnotonlytoenvironmentalpollutionandeasytoothercomponentsAimingatlowtemperatureshydraulicsystem