液压动力转向系统培训课件.ppt

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1、液压动力转向系统Reservoir贮油罐ReturnHose回油管SteeringGear转向器总成SteeringPump油泵PressureHose进油管液压动力转向系统转向系统布置图SteeringSysteminvehicle液压动力转向器总成构造简介动力转向器总成。齿条转向控制阀总成内球头供油管小齿轮转向轴防尘罩阀体油缸液压动力转向器总成工作原理齿条油泵转向控制阀总成小齿轮总成性能曲线输入和输出特性曲线Inputandoutputcharacteristics液压动力转向器主要性能曲线kg/cm2输入油压Torque:kg.f扭矩C

2、urveCharacteristics20105040±5Kgf.cm26±4Kgf.cm?规范和主要尺寸小齿轮Pinion模数Module1.75压力角Pressureangle20°齿数Numberofteeth8螺旋角Helicalangle24°齿条Rack模数Module1.75压力角Pressureangle20°螺旋角Helicalangle16°齿数Numberofteeth30旋向Helicaldirection右旋Right规范Specification油缸内径Cylinderinnerdiameter(mm)Φ45齿条直

3、径RackDiameter(mm)Φ25/Φ24(Teetharea)行程Rackstroke146±1(72±0.5×2)传动比Gearratio45.74旋转圈数Revolution3.19液压动力转向器主要性能参数①②③④⑤⑥⑦⑧⑨⑩Thisdocumentisconfidentialandproprietary,ItscontentsisnottobeprovidedtoanyonewithpermissionofTRW.ItemsBenchmarkpartTRWProposal①Offsetangle()2020②LengthOB

4、JCentertoOBJCenter(mm)(1328)(1328)③LengthIBJCentertoIBJCenter(mm)652±1.0652±1.0④LengthIBJCentertoOBJCenter(mm)(338)(338)⑤LengthIBJCentertoEndofBallTieRod(mm)290±1.0290±1.0⑥LengthOBJCentertoEndofOTRSocket(mm)78±0.578±0.5⑦LengthRackCentertoValveEnd(mm)196.5196.5⑧LengthRackCen

5、tertoHousingUpperEnd(mm)119119⑨LengthRackCentertoHousingLowerEnd(mm)4242⑩LengthRackCentertoHousingYokeEnd(mm)39.6Max.39.6Max.SleeveInputshaftTorsionBarL.HCylinderPumpR.HCylinderRIGHTdirectionReserveTankTorsionBarInputshaftPinionshaftSleeveValveass’yBalancePinDrivePinValveMe

6、chanism(8Land)StraightPumpReserveTankStraightParkingCorneringatHighSpeedValveMechanism(8Land)PinionShaftInputShaft5.5°+/-30’P:kg/㎠Torquekgfcm502010384246Open/CloseValveMechanism(8Land)HydraulicPowerSteeringGearComponentInputshaftSealRetainingRing13to4InputshaftBearing11to4U

7、pperPinionBearing11to4YokeBearing41to3YokeCover40to2LowerPinionBearing14to4RackTube15to5PinionMaterial10to3T/BarMaterial7to4ValvesleeveMaterial7to1InputshaftMaterial5to2Partnumberreductions.Eliminateredundantengineeringofproducts.Facilitateglobalmanufacturingflexibility.Rob

8、ust,reliableanddurabledesigns.GlobalStandardizationCylinderCondition:ParkingandLow