項(xiàng)目一 汽車維修安全知識(shí)及工量具使用......................................................................................1
任務(wù)1 汽車維修個(gè)人安全知識(shí)................................................................................................1
一、作業(yè)安全的基本常識(shí)....................................................................................................2
二、5S 管理的基本常識(shí).......................................................................................................3
三、5S 的具體內(nèi)容...............................................................................................................4
任務(wù)2 工具和設(shè)備的使用及環(huán)境安全....................................................................................7
一、設(shè)備、工具使用原則和要求........................................................................................7
二、工具的使用....................................................................................................................8
項(xiàng)目二 汽車發(fā)動(dòng)機(jī)基礎(chǔ)知識(shí)........................................................................................................19
任務(wù)1 發(fā)動(dòng)機(jī)整體構(gòu)造..........................................................................................................19
一、發(fā)動(dòng)機(jī)的分類..............................................................................................................20
二、發(fā)動(dòng)機(jī)的組成..............................................................................................................24
任務(wù)2 發(fā)動(dòng)機(jī)的工作原理......................................................................................................30
一、發(fā)動(dòng)機(jī)的基本術(shù)語......................................................................................................31
二、往復(fù)活塞式發(fā)動(dòng)機(jī)的工作原理..................................................................................34
項(xiàng)目三 發(fā)動(dòng)機(jī)曲柄連桿機(jī)構(gòu)的構(gòu)造與維護(hù)................................................................................41
任務(wù)1 認(rèn)識(shí)曲柄連桿機(jī)構(gòu)......................................................................................................41
一、曲柄連桿機(jī)構(gòu)的作用..................................................................................................41
二、曲柄連桿機(jī)構(gòu)的組成..................................................................................................42
任務(wù)2 發(fā)動(dòng)機(jī)平衡..................................................................................................................57
一、發(fā)動(dòng)機(jī)的振動(dòng)..............................................................................................................57
VI
二、曲軸扭轉(zhuǎn)減振器..........................................................................................................58
三、平衡軸..........................................................................................................................58
四、發(fā)動(dòng)機(jī)平衡檢查..........................................................................................................59
項(xiàng)目四 發(fā)動(dòng)機(jī)配氣機(jī)構(gòu)的構(gòu)造與維護(hù)........................................................................................60
任務(wù)1 認(rèn)識(shí)配氣機(jī)構(gòu)..............................................................................................................60
一、配氣機(jī)構(gòu)基礎(chǔ)知識(shí)......................................................................................................60
二、配氣機(jī)構(gòu)的組成..........................................................................................................64
三、配氣相位及氣門間隙..................................................................................................75
任務(wù)2 可變氣門正時(shí)機(jī)構(gòu)......................................................................................................78
一、可變氣門正時(shí)機(jī)構(gòu)的產(chǎn)生..........................................................................................79
二、可變氣門正時(shí)機(jī)構(gòu)的作用..........................................................................................79
三、智能可變氣門正時(shí)機(jī)構(gòu)..............................................................................................80
四、可變氣門正時(shí)機(jī)構(gòu)的類型..........................................................................................81
五、可變氣門正時(shí)機(jī)構(gòu)的組成..........................................................................................82
六、電機(jī)驅(qū)動(dòng)型智能可變氣門正時(shí)機(jī)構(gòu)VVT-iE ............................................................85
七、大眾系列發(fā)動(dòng)機(jī)可變氣門正時(shí)機(jī)構(gòu)..........................................................................89
八、4A9 系列發(fā)動(dòng)機(jī)可變氣門正時(shí)機(jī)構(gòu)..........................................................................95
九、4G69 發(fā)動(dòng)機(jī)MIVEC 機(jī)構(gòu).........................................................................................97
十、本田i-VTEC 系統(tǒng).....................................................................................................101
十一、日產(chǎn)VVEL 系統(tǒng)...................................................................................................102
十二、寶馬Valvetronic 系統(tǒng)...........................................................................................103
任務(wù)3 發(fā)動(dòng)機(jī)增壓機(jī)構(gòu)........................................................................................................104
一、增壓器的分類............................................................................................................105
二、機(jī)械增壓器................................................................................................................106
三、渦輪增壓系統(tǒng)............................................................................................................107
四、渦輪增壓器的結(jié)構(gòu)及工作原理................................................................................108
五、增壓壓力的調(diào)節(jié)........................................................................................................110
六、具體調(diào)整機(jī)構(gòu)............................................................................................................112
七、發(fā)動(dòng)機(jī)對渦輪的控制................................................................................................117
八、渦輪增壓器的潤滑及冷卻........................................................................................119
目 錄
VII
項(xiàng)目五 發(fā)動(dòng)機(jī)潤滑系統(tǒng)的構(gòu)造與維護(hù)......................................................................................121
任務(wù)1 認(rèn)識(shí)潤滑系統(tǒng)............................................................................................................121
一、潤滑系統(tǒng)的功用........................................................................................................122
二、潤滑方式....................................................................................................................122
三、潤滑系統(tǒng)的組成........................................................................................................123
四、潤滑系統(tǒng)的主要零部件............................................................................................123
五、潤滑系統(tǒng)的油路........................................................................................................130
六、發(fā)動(dòng)機(jī)的潤滑部位....................................................................................................131
七、曲軸箱通風(fēng)................................................................................................................132
任務(wù)2 發(fā)動(dòng)機(jī)機(jī)油................................................................................................................134
一、發(fā)動(dòng)機(jī)機(jī)油的作用....................................................................................................134
二、機(jī)油的組成及分類....................................................................................................136
三、機(jī)油的級(jí)別劃分........................................................................................................137
四、機(jī)油使用特性............................................................................................................138
五、機(jī)油的選用................................................................................................................139
六、機(jī)油更換周期............................................................................................................139
七、機(jī)油壽命系統(tǒng)............................................................................................................140
項(xiàng)目六 發(fā)動(dòng)機(jī)冷卻系統(tǒng)的構(gòu)造與維護(hù)......................................................................................143
任務(wù)1 認(rèn)識(shí)發(fā)動(dòng)機(jī)冷卻系統(tǒng)................................................................................................143
一、冷卻系統(tǒng)的功用與組成............................................................................................144
二、冷卻系統(tǒng)的類型........................................................................................................144
三、冷卻系統(tǒng)的循環(huán)路線................................................................................................145
四、冷卻系統(tǒng)主要零部件的認(rèn)知....................................................................................147
五、電子節(jié)溫器................................................................................................................152
任務(wù)2 發(fā)動(dòng)機(jī)冷卻液............................................................................................................158
一、冷卻液的組成............................................................................................................159
二、冷卻液的冰點(diǎn)............................................................................................................160
三、冷卻液的種類............................................................................................................160
四、冷卻液的回收與更換................................................................................................160
項(xiàng)目七 發(fā)動(dòng)機(jī)進(jìn)、排氣系統(tǒng)......................................................................................................161
任務(wù)1 發(fā)動(dòng)機(jī)進(jìn)氣系統(tǒng)........................................................................................................161
VIII
一、進(jìn)氣系統(tǒng)....................................................................................................................161
二、空氣濾清器................................................................................................................162
三、典型進(jìn)氣歧管............................................................................................................163
四、進(jìn)氣系統(tǒng)噪聲............................................................................................................164
五、加長、可變進(jìn)氣歧管................................................................................................165
六、中冷器........................................................................................................................165
任務(wù)2 發(fā)動(dòng)機(jī)排氣系統(tǒng)........................................................................................................167
一、排氣系統(tǒng)的功能和基本結(jié)構(gòu)....................................................................................167
二、排氣歧管....................................................................................................................169
三、集成排氣歧管............................................................................................................169
四、消聲器........................................................................................................................170
五、三元催化器................................................................................................................171
任務(wù)3 柴油發(fā)動(dòng)機(jī)排氣后處理系統(tǒng)....................................................................................172
一、柴油發(fā)動(dòng)機(jī)排氣后處理系統(tǒng)....................................................................................173
二、DOC ...........................................................................................................................175
三、DPF ............................................................................................................................175
四、SCR ............................................................................................................................175
五、NSC............................................................................................................................176
六、注意事項(xiàng)....................................................................................................................176
七、尿素箱........................................................................................................................177
項(xiàng)目八 發(fā)動(dòng)機(jī)燃油供給系統(tǒng)......................................................................................................178
任務(wù)1 汽油發(fā)動(dòng)機(jī)燃油供給系統(tǒng)........................................................................................178
一、概述............................................................................................................................178
二、燃油供給系統(tǒng)............................................................................................................179
三、燃油供給系統(tǒng)的工作過程........................................................................................179
四、發(fā)動(dòng)機(jī)燃油供給缸內(nèi)直噴系統(tǒng)................................................................................187
任務(wù)2 柴油發(fā)動(dòng)機(jī)燃油供給系統(tǒng)........................................................................................192
一、柴油電控燃油噴射系統(tǒng)概述....................................................................................192
二、柴油電控燃油噴射系統(tǒng)組成及工作原理................................................................193
三、柴油電控燃油噴射系統(tǒng)結(jié)構(gòu)原理............................................................................194
參考文獻(xiàn)..........................................................................................................................................202