重型卡车制动系统中英文版2015ppt课件.ppt
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1、0Chassis Department of C&C Trucks Co., Ltd. Research Institute 2015年年9月月 September, 20151 第一部分第一部分 概述概述 Chapter 1 Overview 第二部分第二部分 制动系统构造制动系统构造 Chapter 2 Brake System Construction 第三部分第三部分 制动系统工作原理制动系统工作原理 Chapter 3 Operating Principle of Brake System 第四部分第四部分 制动系统主要部件功用及工作原理制动系统主要部件功用及工作原理 Chapter
2、 4 Functions and Operating Principle of Main Brake System Components 第五部分第五部分 制动系统装配调校注意事项制动系统装配调校注意事项 Chapter 5 Precaution for Assembling and Adjustment of Brake System 第六部分第六部分 制动系统故障及排除制动系统故障及排除 Chapter 6 Brake System Problems and Troubleshooting目录目录 Contents21、制动系的功用:、制动系的功用:Functions of Brake S
3、ystem:使行驶的汽车减速或停车;使行驶的汽车减速或停车; Decelerate or stop the running vehicle;使下坡行驶的汽车车速保持稳定;使下坡行驶的汽车车速保持稳定; Keep the speed stable when the vehicle is driven on the downhill;使已停驶的汽车在原地(包括在斜坡上)驻留不动。使已停驶的汽车在原地(包括在斜坡上)驻留不动。 Leave the stopped vehicle in original location (including on the slope).2、制动系的类型:、制动系的类
4、型: Types of Brake System:行车制动:通过操纵制动踏板实现行车制动:通过操纵制动踏板实现 Service brake: it is achieved by operating the brake pedal 驻车制动:通过操纵驻车制动手柄实现驻车制动:通过操纵驻车制动手柄实现 Parking brake: it is achieved by operating the parking brake handle应急制动:与驻车制动相结合,通过操纵驻车制动手柄实现应急制动:与驻车制动相结合,通过操纵驻车制动手柄实现 Emergency brake: Combining wit
5、h the parking brake, it is achieved by operating the parking brake handle辅助制动:通过操纵驾驶室内辅助制动按钮实现辅助制动:通过操纵驾驶室内辅助制动按钮实现 Supplemental brake: it is achieved by operating the supplemental brake button in the cab3、制动系的组成:、制动系的组成: Components of Brake System:供能装置:如空压机、储气筒等供能装置:如空压机、储气筒等 Supply device: such as
6、 air compressor, air reservoir控制装置:如制动踏板、手阀等控制装置:如制动踏板、手阀等 Control device: such as brake pedal, parking brake传能装置:如各控制阀及管路元件等传能装置:如各控制阀及管路元件等 Transmission device: such as various control valves and pipe components执行装置:如制动器等执行装置:如制动器等 Execution device: such as brake一、概述一、概述 Chapter 1 Overview3驻车手阀驻车手
7、阀+挂车手阀挂车手阀Parking Brake + Trailer Parking Brake 前盘式制动器前盘式制动器+气室气室Front Disc Brake + Air Chamber 挂车连接头及管路挂车连接头及管路Trailer Connector and Pipeline制动大管束及散管制动大管束及散管 Big Brake Pipe Bundle and Separate Pipes后后ABS电磁阀电磁阀 Rear ABS Solenoid Valve前前ABS电磁阀电磁阀Front ABS Solenoid Valve挂车阀挂车阀Trailer Valve空压机空压机Air Co
8、mpressor制动踏板制动踏板+脚阀脚阀Brake Pedal + Service Brake制动硬管制动硬管Brake Hard Pipe限压阀限压阀Relief Valve四回路四回路Four-circuit干燥器干燥器 Dryer差动阀差动阀Differential Valve继动阀继动阀Relay Valve后桥盘式制动器及制动气室后桥盘式制动器及制动气室 Rear Axle Disc Brake and Brake Chamber储气筒模块储气筒模块Air Reservoir Module排气制动蝶阀排气制动蝶阀Exhaust Brake Butterfly Valve二、制动系统
9、构造二、制动系统构造 Chapter 2 Brake System Construction多通接头多通接头Multi-way Connector前继动阀前继动阀Front Relay Valve储气筒储气筒Air Reservoir适配阀适配阀Adaptation Valve挂车挂车ABS电磁阀电磁阀ABS For Trailer变速箱变速箱+缓速缓速器器Transmission and Retarder储气筒储气筒Air Reservoir4 联合卡车制动系统整车布置简图联合卡车制动系统整车布置简图 Complete Vehicle Layout of C&C Trucks Brake S
10、ystem整车从布置上大致可分为:供能、控制和执行元件三个部分。整车从布置上大致可分为:供能、控制和执行元件三个部分。The complete vehicle can be roughly divided into three parts according to its arrangement: supply, control and executive components.供能元件即从空压机至干燥器再到四回路、储气筒等的相关元件及管路;供能元件即从空压机至干燥器再到四回路、储气筒等的相关元件及管路;Supply components contain the air compressor,
11、 dryer, four-circuit, air reservoir and other related components and pipelines;控制元件即踏板、脚阀、手阀、继动阀、差动阀,及连接各控制阀之间的若干管路;控制元件即踏板、脚阀、手阀、继动阀、差动阀,及连接各控制阀之间的若干管路;Control components contain the pedal, service brake, parking brake, relay valve, differential valve and the several pipes between the control valve
12、s;执行元件即气路终端制动器及相关执行气路。执行元件即气路终端制动器及相关执行气路。Executive components are the brakes at the end of the air circuits and the relevant executive air circuits.执行元件部分执行元件部分Executive Component Part供能元件部分供能元件部分 Supply Component Part控制元件部分控制元件部分 Control Component Part5 联合卡车制动系统工作原理详见下图(以联合卡车制动系统工作原理详见下图(以42牵引车为例)
13、牵引车为例)1. See the following drawing for the operating principle of C&C trucks brake system (take 64 tractor for example)从图中可以看出,整个制动气路大致可分为:行车制动、驻车制动、辅助制动及其余辅助用气等。下面将分别对这几种制从图中可以看出,整个制动气路大致可分为:行车制动、驻车制动、辅助制动及其余辅助用气等。下面将分别对这几种制动方式的工作原理作以详细介绍。动方式的工作原理作以详细介绍。As seen from the drawing, the whole brake air
14、 circuit is roughly divided into: service brake, parking brake, supplemental brake, other auxiliary air and ect. Next, the operating principles of these braking methods will be described in detail.三、制动系统工作原理三、制动系统工作原理 Chapter 3 Operating Principle of Brake System6a.行车制动:行车制动:Service Brake:联合卡车行车制动采用
15、双回路气压制动系统。即前行车制动回路和后行车制动回路,二者彼此独立。见下图线条加粗联合卡车行车制动采用双回路气压制动系统。即前行车制动回路和后行车制动回路,二者彼此独立。见下图线条加粗部分,其中红色代表前行车制动回路,绿色代表后行车制动回路。部分,其中红色代表前行车制动回路,绿色代表后行车制动回路。 The C&C truck service brake uses the double-circuit pneumatic brake system. It includes the front service brake circuit and the rear service brake ci
16、rcuit, which are independent. As shown by the bold lines in the drawing, the red represents the front service brake circuit, the green represents the rear service brake circuit.脚阀脚阀 Service Brake踏板踏板Pedal制动气室制动气室 Brake Chamber制动器制动器 Brake行车制动操纵装置行车制动操纵装置 Service Brake Operating Device行车制动执行装置行车制动执行装
17、置 Service Brake Execution Device7当需要车辆减速或遇红绿灯等其余路况需要临时停车时,驾驶员踩下制动踏板,顶杆下移,推动制动总阀当需要车辆减速或遇红绿灯等其余路况需要临时停车时,驾驶员踩下制动踏板,顶杆下移,推动制动总阀8的顶杆座下移的顶杆座下移,消除排气间隙,制动总阀排气阀门关闭,进气阀门被打开,这时由后桥储气筒,消除排气间隙,制动总阀排气阀门关闭,进气阀门被打开,这时由后桥储气筒4过来的控制气流经制动总阀上腔流向后过来的控制气流经制动总阀上腔流向后继动阀继动阀10的控制口,通过气流压力打开继动阀进气阀门,这时由后桥储气筒过来的供能气流便经继动阀进出气口,到后的
18、控制口,通过气流压力打开继动阀进气阀门,这时由后桥储气筒过来的供能气流便经继动阀进出气口,到后桥行车气室桥行车气室14,从而实现中后桥的行车制动;,从而实现中后桥的行车制动;When it is necessary to decelerate the vehicle or stop it temporarily as encountering the traffic light or other road conditions, the driver depresses the brake pedal, the push rod is moved downward, the push rod
19、seat of the brake valve 8 is pushed downward to eliminate the exhaust clearance, the exhaust valve of the brake valve is closed and the intake valve is opened. At this time, the controlled air flow from the rear axle air reservoir 4 passes through the upper chamber on the brake valve, flowing into t
20、he control port of the rear relay valve 10, the intake valve of the relay valve is opened by the air flow pressure, then the supply air flow from the rear axle air reservoir passes through the inlet and the outlet of the relay valve, flowing into the rear axle service brake chamber 14, it achieves t
21、he service braking of the center rear axle.与此同时,由前桥储气筒与此同时,由前桥储气筒5过来的控制气流经制动总阀下腔流向前继动阀过来的控制气流经制动总阀下腔流向前继动阀10的控制口,通过气流压力打开继动阀进气阀门的控制口,通过气流压力打开继动阀进气阀门,这时由后桥储气筒过来的供能气流便经继动阀进出气口,到前桥制动气室,这时由后桥储气筒过来的供能气流便经继动阀进出气口,到前桥制动气室13,实现前桥行车制动。,实现前桥行车制动。At the same time ,the controlled air flow from the front axle ai
22、r reservoir 5 passes through the lower chamber on the brake valve, flowing into the control port of the front relay valve 10, the intake valve of the relay valve is opened by the air flow pressure, then the supply air flow from the front axle air reservoir passes through the inlet and the outlet of
23、the relay valve , flowing into the front axle brake chamber 13, achieving the service braking of the front axle.对于牵引车,由制动总阀过来的行车制动控制气流同时流向挂车阀对于牵引车,由制动总阀过来的行车制动控制气流同时流向挂车阀17控制口,控制挂车制动。控制口,控制挂车制动。For the tractors, the service brake controlled air flow from the brake valve flows into the control port o
24、f the trailer valve 17 to control the trailer brake.8b.驻车制动:驻车制动:Parking Brake:驻车制动用于使驻车制动用于使已停驶的汽车在原地(包括在斜坡上)驻留不动。已停驶的汽车在原地(包括在斜坡上)驻留不动。联合卡车驻车制动采用手控阀弹簧储能制动。见下图联合卡车驻车制动采用手控阀弹簧储能制动。见下图线条加粗部分,蓝色代表主车驻车制动回路,黄色代表挂车驻车控制气路。线条加粗部分,蓝色代表主车驻车制动回路,黄色代表挂车驻车控制气路。The parking brake is used to keep the stopped vehic
25、le in original location (including on the slope). The C&C truck parking brake uses the energy stored in the parking brake spring to operate the brake. As shown by the bold lines in the drawing, the blue represents the main vehicle parking brake circuit, the yellow represents the trailer parking cont
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