汽车结构)中英文详解ppt课件
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1.Intake stroke 吸气行程 2.Compression stroke 压缩行程 3.Working stroke 做功行程 4.Exhaust stroke 排气行程
6
1.Engine
1.2Engine Overall Mechanics
发动机总体构造
The engine has hundreds of other parts . It includes two
discussed in detail next.
7
1.Engine
1.2.1 crank mechanism 曲柄连杆机构
Crank mechanism is the main moving parts of the engine ,it helps engine complete operating cycle and
11
1.Engine
1.2.2valve train配气机构
The function of valve train is make sure the intake and exhaust valves can open and close at just the right time .配气机构的功 能就是确保进气门和排气门在正确的时间打开和关闭
energy conversion.
曲柄连杆机构是发动机实现工作循环，完成能量转 换的主要运动部分。
8
1.Engine
Crank mechanism includes
Body group机体组: cylinder block, cylinder head, gasket,crankcase, cylinder liners and oil pan气缸体，气缸盖、气缸垫、曲轴箱、汽缸套及油底壳
13
1.Engine
1.2.3intake system进气系统
Intake system includes an air filter, intake manifold, inlet gate mechanism，it supply engine with fresh air 进气系统包括空气滤清器、进气歧管、进汽门机构，它为发动机提供新鲜 空气
14
1.Engine
1.2.4 exhaust system排气系统
现在的车辆一般都由 15000多个分散、独立且 相互配合的零部件组成。 这些零部件主要分为四类 ：车身、发动机、底盘和 电气设备。
4Βιβλιοθήκη Baidu
1.Engine
The engine acts as the power unit. The internal combustion engine is most common: this obtains its power by burning a liquid fuel inside the engine cylinder. There are two types of engine: gasoline and diesel
发动机有上百个零部件，发动机是由 两个机构和五大系统组成的，他们分 别是曲柄连杆机构，配气机构，进气 系统，点火系统，冷却系统，润滑系 统，和排气系统。每个系统都有一定 的功能。这些系统将在下面详细讨论。
Each of these systems has a definite function. These systems will
Automobile basic construction 汽车构造基础
1
Automobile components
汽车主要包括哪几部分呢？
What’s the main parts of an automobile?
2
Automobile components
Engine + Gear box
12
1.Engine
valve train includes valves, valve guides, valve seats and valve springs, camshaft ，timing gear, tappet and guide rods, push rod, rocker气门，气门导 管，气门座和气门弹簧，凸轮轴、正时齿轮、挺柱及其导杆，推杆、摇臂
mechanism,six systems，they are
1.crank mechanism 2.valve train 3.intake system 4.ignition system 5.cooling system 6.lubrication system 7.exhaust system
发动机作为动力设备，常见的类 型是内燃机，其原理是通过发动机 缸内的液体燃料燃烧而产生能量。 发动机可分为两类：汽油机和柴油机
5
1.Engine
1.1The basic performance principle of four-stroke gasoline engine 四冲程汽油机基本工作原理
9
1.Engine
Piston rod Group: pistons, piston rings, piston pins, connecting rods活塞连杆组：活塞、活塞环、活塞销、连杆
10
1.Engine
Crankshaft Flywheel Group: crankshaft, flywheel, torsional damper, balancer曲 轴飞轮组：曲轴、飞轮、扭转减振器、平衡轴
Body
Electrical system
Suspension
Steering
Power train
Braking
Chassis
3
Automobile components
Today’s average car contains more than 15,000 separate, individual parts that must work together. These parts can be grouped into four major categories: body, engine, chassis and electrical equipment 。
6
1.Engine
1.2Engine Overall Mechanics
发动机总体构造
The engine has hundreds of other parts . It includes two
discussed in detail next.
7
1.Engine
1.2.1 crank mechanism 曲柄连杆机构
Crank mechanism is the main moving parts of the engine ,it helps engine complete operating cycle and
11
1.Engine
1.2.2valve train配气机构
The function of valve train is make sure the intake and exhaust valves can open and close at just the right time .配气机构的功 能就是确保进气门和排气门在正确的时间打开和关闭
energy conversion.
曲柄连杆机构是发动机实现工作循环，完成能量转 换的主要运动部分。
8
1.Engine
Crank mechanism includes
Body group机体组: cylinder block, cylinder head, gasket,crankcase, cylinder liners and oil pan气缸体，气缸盖、气缸垫、曲轴箱、汽缸套及油底壳
13
1.Engine
1.2.3intake system进气系统
Intake system includes an air filter, intake manifold, inlet gate mechanism，it supply engine with fresh air 进气系统包括空气滤清器、进气歧管、进汽门机构，它为发动机提供新鲜 空气
14
1.Engine
1.2.4 exhaust system排气系统
现在的车辆一般都由 15000多个分散、独立且 相互配合的零部件组成。 这些零部件主要分为四类 ：车身、发动机、底盘和 电气设备。
4Βιβλιοθήκη Baidu
1.Engine
The engine acts as the power unit. The internal combustion engine is most common: this obtains its power by burning a liquid fuel inside the engine cylinder. There are two types of engine: gasoline and diesel
发动机有上百个零部件，发动机是由 两个机构和五大系统组成的，他们分 别是曲柄连杆机构，配气机构，进气 系统，点火系统，冷却系统，润滑系 统，和排气系统。每个系统都有一定 的功能。这些系统将在下面详细讨论。
Each of these systems has a definite function. These systems will
Automobile basic construction 汽车构造基础
1
Automobile components
汽车主要包括哪几部分呢？
What’s the main parts of an automobile?
2
Automobile components
Engine + Gear box
12
1.Engine
valve train includes valves, valve guides, valve seats and valve springs, camshaft ，timing gear, tappet and guide rods, push rod, rocker气门，气门导 管，气门座和气门弹簧，凸轮轴、正时齿轮、挺柱及其导杆，推杆、摇臂
mechanism,six systems，they are
1.crank mechanism 2.valve train 3.intake system 4.ignition system 5.cooling system 6.lubrication system 7.exhaust system
发动机作为动力设备，常见的类 型是内燃机，其原理是通过发动机 缸内的液体燃料燃烧而产生能量。 发动机可分为两类：汽油机和柴油机
5
1.Engine
1.1The basic performance principle of four-stroke gasoline engine 四冲程汽油机基本工作原理
9
1.Engine
Piston rod Group: pistons, piston rings, piston pins, connecting rods活塞连杆组：活塞、活塞环、活塞销、连杆
10
1.Engine
Crankshaft Flywheel Group: crankshaft, flywheel, torsional damper, balancer曲 轴飞轮组：曲轴、飞轮、扭转减振器、平衡轴
Body
Electrical system
Suspension
Steering
Power train
Braking
Chassis
3
Automobile components
Today’s average car contains more than 15,000 separate, individual parts that must work together. These parts can be grouped into four major categories: body, engine, chassis and electrical equipment 。