重型卡车制动系统-中英文版2015-10解析ppt课件.ppt
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1、Chassis Department of C&C Trucks Co.,Ltd.Research Institute 2015年年9月月 September,2015Brake System Introduction0 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
2、系统主要部件功用及工作原理 Chapter 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 Contents11、制动系的功用:、制动系的功用
3、:Functions of Brake System: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
4、).2、制动系的类型:、制动系的类型: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:
5、Combining with 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 devic
6、e:such as 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 Overview2驻车手
7、手阀+挂挂车手手阀Parking Brake+Trailer Parking Brake 前前盘式制式制动器器+气室气室Front Disc Brake+Air Chamber 挂挂车连接接头及管路及管路Trailer Connector and Pipeline制制动大管束及散管大管束及散管 Big Brake Pipe Bundle and Separate Pipes后后ABS电磁磁阀 Rear ABS Solenoid Valve前前ABS电磁磁阀Front ABS Solenoid Valve挂挂车阀Trailer Valve空空压机机Air Compressor制制动踏板踏板+脚脚
8、阀Brake Pedal+Service Brake制制动硬管硬管Brake Hard Pipe限限压阀Relief Valve四回路四回路Four-circuit干燥器干燥器 Dryer差差动阀Differential Valve继动阀Relay Valve后后桥盘式制式制动器及制器及制动气室气室 Rear Axle Disc Brake and Brake Chamber储气筒模气筒模块Air Reservoir Module排气制排气制动蝶蝶阀Exhaust Brake Butterfly Valve二、制动系统构造二、制动系统构造 Chapter 2 Brake System Cons
9、truction多通接多通接头Multi-way Connector前前继动阀Front Relay Valve储气筒气筒Air Reservoir适配适配阀Adaptation Valve挂挂车ABS电磁磁阀ABS For Trailer变速箱速箱+缓速器速器Transmission and Retarder储气筒气筒Air Reservoir3 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 System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
10、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,dryer,four-circuit,air reservoir and other related c
11、omponents 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 valves;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 compone
12、nts are the brakes at the end of the air circuits and the relevant executive air circuits.执行元件部分行元件部分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 Part4 1.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)牵引车为例)1.See the following drawing for the operating princi
13、ple 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 circuit is roughly divided into:service brake,parking brake,
14、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 System5a.行车制动:行车制动:Service Brake:联联合合卡卡车车行行车车制制动动采采用用双双回回路路气气压压制制动动系系统统。即即前前行行车车制制动动回回路路和和后后行行车车制制动动回回路路,二二者者彼
15、彼此此独独立立。见见下下图图线线条条加加粗粗部分,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 circuit,which are independent.As shown by the bold lines in the drawing,th
16、e red represents the front service brake circuit,the green represents the rear service brake circuit.脚脚阀 Service Brake踏板踏板Pedal制制动气室气室 Brake Chamber制制动器器 Brake行行车制制动操操纵装置装置 Service Brake Operating Device行行车制制动执行装置行装置 Service Brake Execution Device6当当需需要要车车辆辆减减速速或或遇遇红红绿绿灯灯等等其其余余路路况况需需要要临临时时停停车车时时,驾驾驶
17、驶员员踩踩下下制制动动踏踏板板,顶顶杆杆下下移移,推推动动制制动动总总阀阀8的的顶顶杆杆座座下下移移,消消除除排排气气间间隙隙,制制动动总总阀阀排排气气阀阀门门关关闭闭,进进气气阀阀门门被被打打开开,这这时时由由后后桥桥储储气气筒筒4过过来来的的控控制制气气流流经经制制动动总总阀阀上上腔腔流流向向后后继继动动阀阀10的的控控制制口口,通通过过气气流流压压力力打打开开继继动动阀阀进进气气阀阀门门,这这时时由由后后桥桥储储气气筒筒过过来来的的供供能能气气流流便便经经继继动动阀阀进进出出气气口口,到到后后桥桥行车气室行车气室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
18、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 seat of the brake valve 8 is pushed downward to eliminate the exhaust clearance,the exhaust valve
19、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 the control port of the rear relay valve 10,the intake valve of the relay valve is opened by the air fl
20、ow 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 the service braking of the center rear axle.与与此此同同时时,由由前前桥桥储储气气筒筒5过过来来的的控控制制气气流流经经制制动动总总阀阀下下腔腔流流向向前前继继动动阀阀1
21、0的的控控制制口口,通通过过气气流流压压力力打打开开继继动动阀阀进进气气阀阀门门,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 air reservoir 5 passes through the lower chamber on the brake valve,flowing into the control port of the front r
22、elay 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 the relay valve,flowing into the front axle brake chamber 13,achieving the service braking of the front axle.对于牵引
23、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 of the trailer valve 17 to control the trailer brake.7b.驻车制动:驻车制动:Parking Brake:驻驻车车制制动动用用于于使使已已停停驶驶的的汽汽车车在在原原地地(包包括括在
24、在斜斜坡坡上上)驻驻留留不不动动。联联合合卡卡车车驻驻车车制制动动采采用用手手控控阀阀弹弹簧簧储储能能制制动动。见见下下图图线条加粗部分,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 vehicle in original location(including on the slope).The C&C truck parking brake uses the energy stored in the parking brake s
25、pring 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 control air circuit.驻车手手阀Parking Brake 驻车制制动操操纵装置装置 Parking Brake Operating Device弹簧制簧制动气室气室 Spring Brake Cylinder 制制动器器 Brake驻车制制
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