曲柄连杆机构 .pptx

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1、Water jacketWater jacket Camshaft Camshaft engine block engine block stiffening ribstiffening rib wet cylinderlinerwet cylinderlinerbase bearing hole base bearing hole machined surfacemachined surfaceBaseBase bearing seat bearing seat CylinderCylinder 第1页/共22页 气缸的三种排列形式 直列式 V型 对置式 inline typeinline

2、typeV formV formopposed typeopposed type cylinder permutation form cylinder permutation form第2页/共22页汽车构造汽车构造精品课程精品课程 干式缸套(drycylinderliner)湿式气缸套(wetcylinderliner)气缸套气缸套cylinder linercylinder liner 水套水套water jacketwater jacket气缸体气缸体cylindercylinder 橡胶密封圈橡胶密封圈rubber packing ringrubber packing ring第3页/

3、共22页汽车构造汽车构造精品课程精品课程valve cover pillowvalve cover pillowgrease capgrease cap(Cylinder Head)(Cylinder Head)cylinderheadgasketcylinder spacer cylinder spacer engine bonnet engine bonnet cylinder head ring gasketcylinder head ring gasket第4页/共22页楔形燃烧室盆形燃烧室半球形燃烧室Combustion chamber Combustion chamber Wedg

4、e-section Wedge-section Bathtub-section Bathtub-section Hemispherical Hemispherical 第5页/共22页汽车构造汽车构造精品课程精品课程 油底壳(OilPan)sump?gasket gasket 第6页/共22页 Piston TopPiston TopPiston HeadPiston HeadPiston Piston RingRingPiston PinPiston Pinpiston skirt piston skirt piston ring piston ring groove groove stif

5、fening rib stiffening rib piston pin piston pin bushing bushing 第7页/共22页 flat head pistonflat head pistonconcave head piston concave head piston crown head piston crown head piston 平顶活塞凹顶活塞凸顶活塞第8页/共22页piston skirt piston skirt 第9页/共22页 oval piston oval piston 第10页/共22页 T heat dam T heat dam heat dam

6、 heat dam 第11页/共22页 piston clearance第12页/共22页 rectangular rectangular ring ring keystone ring keystone ring scrapper ring scrapper ring internal bevelinternal bevel bottom bottominternal bevel topinternal bevel topnapier ring napier ring(compressionring)第13页/共22页 3气环的泵油现象 CylinderPistonup strokeup s

7、trokedown strokedown stroke第14页/共22页 气环的泵油示意图气缸体CylinderBlock活塞Piston 气环compression ringcompression ring油环oilcontrollring第15页/共22页 upper railupper railLining springLining springdown raildown railpistonpiston第16页/共22页 Up strokeUp strokeDown strokeDown stroke第17页/共22页 (PistonPin)shape of cylindershape

8、 of cylinderfastigiatefastigiate middle closed type middle closed typeUnilateral closed typeUnilateral closed typeSteel copper pinSteel copper pin第18页/共22页活塞销连接 全浮式连接半浮式连接semifloatingpistonpinfull-floatingpistonpin活塞Piston(PistonPin)(ConnectingRod)(connectingrodsmallend)checkringcheckring第19页/共22页 曲

9、柄曲柄 crankcrank 曲柄臂曲柄臂 crank arm crank arm 飞轮飞轮 flywheel flywheel 曲轴前端曲轴前端 crankshaft front end crankshaft front end 曲轴主轴颈曲轴主轴颈 crankshaft main journalcrankshaft main journal 曲轴飞轮 crankshaf and flywheel crankshaf and flywheel 薄臂轴瓦薄臂轴瓦 thin wall bearing shellthin wall bearing shell 4.4.曲轴油道曲轴油道 cranks

10、haft oil passagecrankshaft oil passage 油塞油塞 oil plugoil plug 油道孔油道孔oil way portoil way port 9.9.曲轴法兰曲轴法兰Crankshaft flangeCrankshaft flange 曲轴止推轴承曲轴止推轴承 crankshaft thrust bearing crankshaft thrust bearing 齿圈齿圈annulus ring annulus ring 锁紧板锁紧板Crimple plateCrimple platebearing bearing 油槽油槽oil grooveoil

11、groovethrust ringthrust ring 中间主轴承轴瓦中间主轴承轴瓦 Middle bearing shellMiddle bearing shell第20页/共22页crankshaftfrontendtorshional vibration dampertorshional vibration damperbelt wheel hub belt wheel hub dashpotdashpotrubber jointrubber jointInertia board Inertia board Tape boardTape board第21页/共22页感谢您的观看。第22页/共22页