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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頁/共22頁 氣缸的三種排列形式 直列式 V型 對(duì)置式 inline typeinline
2、typeV formV formopposed typeopposed type cylinder permutation form cylinder permutation form第2頁/共22頁汽車構(gòu)造汽車構(gòu)造 精品課程精品課程 干式缸套(dry cylinder liner)濕式氣缸套(wet cylinder liner) 氣缸套氣缸套cylinder linercylinder liner 水套水套water jacketwater jacket氣缸體氣缸體cylindercylinder 橡膠密封圈橡膠密封圈rubber packing ringrubber packing ri
3、ng第3頁/共22頁 汽車構(gòu)造汽車構(gòu)造 精品課程精品課程 valve cover pillowvalve cover pillowgrease capgrease cap(Cylinder Head) (Cylinder Head) cylinder head gasket cylinder spacer cylinder spacer engine bonnet engine bonnet cylinder head ring gasketcylinder head ring gasket第4頁/共22頁楔形燃燒室 盆形燃燒室半球形燃燒室Combustion chamber Combusti
4、on chamber Wedge-section Wedge-section Bathtub-section Bathtub-section Hemispherical Hemispherical 第5頁/共22頁汽車構(gòu)造汽車構(gòu)造 精品課程精品課程 油底殼(Oil Pan) sump ?gasket gasket 第6頁/共22頁 Piston TopPiston TopPiston HeadPiston HeadPiston Piston RingRingPiston PinPiston Pinpiston skirt piston skirt piston ring piston ring
5、 groove groove stiffening rib stiffening rib piston pin piston pin bushing bushing 第7頁/共22頁 flat head pistonflat head pistonconcave head piston concave head piston crown head piston crown head piston 平頂活塞凹頂活塞凸頂活塞第8頁/共22頁 piston skirt piston skirt 第9頁/共22頁 oval piston oval piston 第10頁/共22頁 T heat dam
6、 T heat dam heat dam heat dam 第11頁/共22頁 piston clearance第12頁/共22頁 rectangular rectangular ring ring keystone ring keystone ring scrapper ring scrapper ring internal bevelinternal bevel bottom bottominternal bevel topinternal bevel topnapier ring napier ring (compression ring) 第13頁/共22頁 3氣環(huán)的泵油現(xiàn)象 Cyli
7、nder Pistonup strokeup stroke down strokedown stroke第14頁/共22頁 氣環(huán)的泵油示意圖 氣缸體Cylinder Block 活塞Piston 氣環(huán)compression ringcompression ring 油環(huán)oil control lring第15頁/共22頁 upper railupper railLining springLining springdown raildown railpistonpiston第16頁/共22頁 Up strokeUp strokeDown strokeDown stroke第17頁/共22頁 (P
8、iston Pin )shape of cylindershape of cylinderfastigiatefastigiate middle closed type middle closed typeUnilateral closed typeUnilateral closed typeSteel copper pinSteel copper pin第18頁/共22頁 活塞銷連接 全浮式連接半浮式連接semifloating piston pinfull-floating piston pin 活塞Piston (Piston Pin )(Connecting Rod) (connect
9、ing rod small end)check ring check ring 第19頁/共22頁 曲柄曲柄 crankcrank 曲柄臂曲柄臂 crank arm crank arm 飛輪飛輪 flywheel flywheel 曲軸前端曲軸前端 crankshaft front end crankshaft front end 曲軸主軸頸曲軸主軸頸 crankshaft main journalcrankshaft main journal 曲軸飛輪 crankshaf and flywheel crankshaf and flywheel 薄臂軸瓦薄臂軸瓦 thin wall beari
10、ng shellthin wall bearing shell 4.4.曲軸油道曲軸油道 crankshaft oil passagecrankshaft oil passage 油塞油塞 oil plugoil plug 油道孔油道孔o(hù)il way portoil way port 9. 9. 曲軸法蘭曲軸法蘭Crankshaft flangeCrankshaft flange 曲軸止推軸承曲軸止推軸承 crankshaft thrust bearing crankshaft thrust bearing 齒圈齒圈annulus ring annulus ring 鎖緊板鎖緊板Crimple
11、 plateCrimple platebearing bearing 油槽油槽oil grooveoil groovethrust ringthrust ring 中間主軸承軸瓦中間主軸承軸瓦 Middle bearing shellMiddle bearing shell第20頁/共22頁 crankshaft front end torshional vibration dampertorshional vibration damperbelt wheel hub belt wheel hub dashpotdashpotrubber jointrubber jointInertia board Inertia board Tape boardTape board第21頁/共22頁感謝您的觀看。第22頁/共22頁
曲柄連桿機(jī)構(gòu) PPT課件
