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1、高等职业院校国家示范特色专业规划教材 汽车运用相关专业 ,汽车专业英语,教学参考书主 编 甘 辉 副主编 沈 钡 参 编 张芳玲 田 青 机械工业出版社,Unit 1 0,Automobile Steering System,学习目标,知识目标： 1.掌握与汽车转向系的结构、原理相关的英文专业术语、词汇； 2.掌握汽车转向系常见术语的英语表达方法。 技能目标： 1.能对关于汽车转向系的资料进行中英互译； 2.能进行相关内容的阅读和翻译； 3.能在汽车实物上标识出英语单词或词汇,Conversation,Auto repair A: Sir, May I do you a favor? B: S
2、ure! My car needs to repair. A: Whats wrong with it? B: Its broken. I crushed it to a wall. A: Its too bad! Let me see: bumper, fender, hood, headlight assembly are damaged. And radiator is leaking. Very serious, but dont worry, well fix it. B: How much will it cost to fix this?A: Get it out. The in
3、surance company will cover it. B: would you mind showing me the way to repair?,A: No, indeed. Bumper and light need to replace. Hood and fender need reshaping and painting. Radiator is more complicated; well take it down and check it. B: All right. How soon can you repair it? I need this car to get
4、to work. A: Itll be all ready next week. After all we have to wait for parts. B: I see! Now the car is yours. A: Please give me the car key. Make sure there is no personal valuable in car. B: Thanks for reminding. A: Last please sign here. Thank you! B: Certainly!,New Words and Phrases,1.Hydraulic 2
5、.electronically 3.electro-hydraulic 4.angular 5.variation 6.column 7.precise 8.setup 9.diameter 10.floorboard 11.accommodate 12.clamp 13.quickness 14.forge 15.sleeve 16.adjustment 17.plunger 18.belt,19.counterpart 20.obsolete 21.consumption 22.servotronic 23.maneuver 24.rack25.worm 26.tapered 27.int
6、egral 28.vital 29.multiply 30.lateral 31linkage 32.roll 33.slip,Phrases and Expressions,1.gear set齿轮组 2.steering gear转向齿轮，转向器 3.steering column转向管柱 4.steering linkage 转向联动装置，转向杆系，导向铰链装置 5.instrument panel 仪表板 6.ball joint球形接头 7.idler arm (辅助摇臂)，随动臂 8.tie rod转向横拉杆 9.rack and pinion type齿轮齿条式 10.recir
7、culating ball gear循环球式转向器 11.Worm and roller gear 蜗杆滚轮式转向器，蜗轮蜗杆式 12.worm and sector type.蜗杆轴扇轮式，蜗轮齿扇式,13.worm and tapered pin steering gear.曲柄指销式 14.power steering助力转向，动力转向 15.Steering arm转向节臂 16.Pitman arm 转向摇臂 17.Steering wheel 方向盘 18.gear teeth齿轮齿 19.drag link转向直拉杆 20.Steering box 转向机，转向器，操舵箱 21.
8、SUVabbr. (Sports Utility Vehicle)运动型多用途车; 运动型多功能车运动型多用途乘用车 22.be referred to as被称为,I Questions to the text,What does the manual steering consist of? What is function of the gearbox? List the components that compose the steering system. How does it work in the pitman arm steering gear? What is the fu
9、nction of the steering linkages? What is the advantage of the power steering?,Text,Automobile development: four stages of development: 1) mechanical steering system (Manual Steering, referred to as MS) （Fig.10-1） 2) hydraulic power steering system (HPS), 3) electro-hydraulic power steering system (E
10、HPS) or the other type electronically controlled hydraulic power steering （referred to as ECHPS ), 4) electric power steering system (EPS).,Fig.10-1 Mechanical steering system1-steering system 2-steering column 3-steering shaft 4-safety steering shaft 5-mechanical steering gear 6-steering damper 7-r
11、ight steering tie rod 8-steering arm 9-steering knuckle 10- steerable wheel,(一) structure steering wheel and column gearbox and pitman arm or a rack and pinion assembly linkage,steering knuckles and ball joints the wheel spindle assembly steering system- steering wheel steering shaft worm gear secto
12、r pitman arm drag link steering knuckle arm king pin steering arms tie rod front axle and steering knuckle,二、课文教学提示,(三)power steering pump high-pressure fluid manual-steering gear crankshaft pulley power steering system-hydraulic pump fluid reservoir hoses power steering gear assembly manual steerin
13、g gear- rack and pinion type worm and tapered pin steering gear worm and roller steering gear power rack and pinion systemintegral power steering gear system,Fig. 10-3 Steering linkage and gearFig. 10-4 Recirculating-ball steering gear,(四)steering linkage movement wheel intermediate rod adjuster sle
14、eve,Fig. 10-5 Hydraulic Steering System1- steering wheel 2- steering shaft 3- steering column tube 4-line 5- hydraulic pump 6- reservoir tank 7- pitman arm 8- tie rod 9- pitman 10-intergral steering gear/gear housing 11- drag link 12 shock absorber,Fig. 10-5 Hydraulic Steering System 1- steering whe
15、el 2- steering shaft 3- steering column tube 4-line 5- hydraulic pump 6- reservoir tank 7- pitman arm 8- tie rod 9- pitman 10-intergral steering gear/gear housing 11- drag link 12 shock absorber,.,Fig 10-6 Power recirculating-ball steering system,Fig. 10-7 Electronic power steering 1-steering input
16、shaft 2-steering sensor signal 3-ECU 4-to battery 5-to VSS 6- intermediate shaft 7-pionion gear 8- rack and worm 9- ECU control signal 10-electromagnetic clutch control signal 11- motor,Check Your Understanding,Translate the following into Chinese 1. recirculating ball gear 2. steering linkage 3. idler arm 4. worm and sector type 5. Wor
