CN107097770A - A kind of passenger train air brake valve - Google Patents
A kind of passenger train air brake valve Download PDFInfo
- Publication number
- CN107097770A CN107097770A CN201710499228.3A CN201710499228A CN107097770A CN 107097770 A CN107097770 A CN 107097770A CN 201710499228 A CN201710499228 A CN 201710499228A CN 107097770 A CN107097770 A CN 107097770A
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- Prior art keywords
- valve
- pressure
- connection
- piston assembly
- main piston
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/021—Railway control or brake valves
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
Subtract shutoff valve the invention discloses a kind of passenger train air brake valve, including service portion, work reservoir charge valve, balanced valve, balanced valve and office, the service portion includes steam supply valve, stabilizers and main piston assembly.The present invention causes pressure difference to control the action of brake valve by the change of train tube pressure, produce the functions such as inflation, braking, pressurize, alleviation, the pressure size of checking cylinder is controlled using the pressure size of chamber volume, car air brake valve is realized using two pressure indirect control modes, eliminate traditional sliding valve structure, using diaphragm plate, the plunger-type structure of only valve, structure is simpler, and operation more stablizes, reliable.
Description
Technical field
The invention mainly relates to a kind of passenger train air brake valve.
Background technology
Passenger train air brake valve be railroad coach brakes core component, control railroad coach inflation,
Braking, alleviation.
The brake valve of present car is mainly 104 type car air slide valves（Hereinafter referred to as 104 valves）With F8 type cars
Air slide valve（Hereinafter referred to as F8 valves）；104 valve main control mechanisms are two pressure sliding valve structures；F8 valves main control mechanism is three pressure columns
Plug structure, the convertibility with graduated release and once alleviated, can when the conversion cover plate of distributing valve is placed in graduating release position
Compile special train use, when the conversion cover plate of distributing valve be placed in once alleviate position when, can with fill two pressure equalizing system air damper car
Shuffling is used.
104 valves are the principal mode air slide valves of China's passenger train, are improved by more than 40 years with continuous, performance
Go out the advantages of reliable effect, maintenance facilitate.With the passenger train speed of service and the raising of security requirement, reflect with department
104 valves have sporadic unintended emergency, unexpecred braking in utilization, cleannes are poor in valve, natural remission, the secondary insufficient lubrication of guiding valve
Occur etc. phenomenon.
F8 type cars air damper is identified and promoted the use of by the Ministry of Railways for 1989.Some are asked present in utilization
Topic：Natural remission, air draft is more than, improper release.
The content of the invention
It is an object of the invention to：For above-mentioned problem, there is provided a kind of two pressure indirect control modes of use
The passenger train air brake valve of plunger-type structure.
The technical proposal of the invention is realized in this way：A kind of passenger train air brake valve, including service portion, work wind
Cylinder charge valve, balanced valve, balanced valve and office subtract shutoff valve, it is characterised in that：The service portion include steam supply valve, stabilizers with
And main piston assembly, the main piston assembly upper chambers of the service portion are connected by pipeline with train pipe, below chamber with
Work reservoir connection, causes pressure difference by the change of train tube pressure to control the action of brake valve, the steam supply valve it is upper
Portion's chamber is connected by pipeline with work reservoir, and the lower chamber of the steam supply valve is connected by pipeline with chamber volume, described to supply
Air valve controls the opening and closing of the work reservoir and chamber volume path, the top of the steam supply valve according to the pressure change of train pipe
Chamber is connected with row's atmospheric air port, and the opening and closing of the steam supply valve can be such that the pressure air of chamber volume arranges to air, and the main piston is total
Connected into upper chambers by auxiliary reservoir charging check valve with auxiliary reservoir, the auxiliary reservoir is connected by pipeline with balanced valve, institute
State balanced valve to connect with checking cylinder by pipeline, the auxiliary reservoir is supplied to checking cylinder as wind regime by balanced valve, the row
Car pipe is connected by the reservoir charge valve that works with main piston assembly lower chamber, and the train pipe is inflated to work reservoir, described
The pressure change of train pipe and work reservoir participates in balancing, when brake needs to be in retarder location, the push rod of the balanced valve
Main piston assembly is withstood and drives main piston assembly to move up, the push rod of the main piston assembly is by the valve port top of stabilizers
Open, the main piston assembly upper chambers, which subtract room drawn game with office respectively by the valve port of stabilizers and subtract shutoff valve, to be connected, described to hold
Product room is connected by pipeline with balanced valve, and the balanced valve controls the pressure size of checking cylinder according to the pressure size of chamber volume.
Passenger train air brake valve of the present invention, the valve that its described main piston assembly upper chambers passes through stabilizers
Mouthful subtracting valve with office is connected, and the office, which subtracts valve and subtracts room with checking cylinder, office respectively by pipeline, to be connected.
Passenger train air brake valve of the present invention, when its described volume chamber pressure reaches 50~70kPa, the office
Subtract valve by office subtract chamber pressure air arrange to checking cylinder path cut-out.
The present invention causes pressure difference to control the action of brake valve by the change of train tube pressure, produce inflation, brake,
The functions such as pressurize, alleviation, control the pressure size of checking cylinder using the pressure size of chamber volume, realize car air brake valve
Using two pressure indirect control modes, eliminate traditional sliding valve structure, using diaphragm plate, only valve plunger-type structure, structure is more
Plus it is simple, operation is more stablized, reliably.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Marked in figure：1 is service portion, and 2 be work reservoir charge valve, and 3 be balanced valve, and 4 be balanced valve, and 5 be that office subtracts closing
Valve, 6 be steam supply valve, and 7 be stabilizers, and 8 be main piston assembly, and 9 be train pipe, and 10 be work reservoir, and 11 be chamber volume, and 12 be row
Atmospheric air port, 13 be auxiliary reservoir charging check valve, and 14 be auxiliary reservoir, and 15 be checking cylinder, and 16 be that office subtracts room, and 17 be that office subtracts valve.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, a kind of passenger train air brake valve, including service portion 1, work reservoir charge valve 2, balanced valve 3,
Balanced valve 4 and office subtract shutoff valve 5, and the service portion 1 includes steam supply valve 6, stabilizers 7 and main piston assembly 8, the effect
The upper chambers of main piston assembly 8 in portion 1 are connected by pipeline with train pipe 9, and chamber is connected with work reservoir 10 below, is passed through
The change of the pressure of train pipe 9 causes pressure difference to control the action of brake valve, produces the functions such as inflation, braking, pressurize, alleviation,
The upper chamber of the steam supply valve 6 is connected by pipeline with work reservoir 10, the lower chamber of the steam supply valve 6 by pipeline with
Chamber volume 11 is connected, and the steam supply valve 6 controls the work reservoir 10 to lead to chamber volume 11 according to the pressure change of train pipe 9
The opening and closing on road, the upper chamber of the steam supply valve 6 is connected with row's atmospheric air port 12, and the opening and closing of the steam supply valve 6 can make chamber volume 11
Pressure air arrange to air, the upper chambers of main piston assembly 8 are connected by auxiliary reservoir charging check valve 13 with auxiliary reservoir 14
Logical, to prevent the wind of auxiliary reservoir from reversely floing back towards train pipe, shrinkage cavity controls train pipe to auxiliary reservoir aeration speed, and the auxiliary reservoir 14 leads to
Cross pipeline to connect with balanced valve 4, the balanced valve 4 is connected by pipeline with checking cylinder 15, the auxiliary reservoir 14 is logical as wind regime
Cross balanced valve 4 to supply to checking cylinder 15, the train pipe 9 is connected by the reservoir charge valve 2 that works with the lower chamber of main piston assembly 8
Logical, the train pipe 9 is inflated with defined aeration speed to work reservoir 10, the pressure of the train pipe 9 and work reservoir 10
Change participates in balance, and when brake needs to be in retarder location, the push rod of the balanced valve 3 withstands main piston assembly 8 and band
Dynamic main piston assembly 8 is moved up, and the push rod of the main piston assembly 8 opens the valve port top of stabilizers 7, the main piston assembly
8 upper chambers subtract the drawn game of room 16 by the valve port of stabilizers 7 with office and subtract shutoff valve 5 respectively to be connected, and the effect of balanced valve is when system
When motivation needs to be in retarder location, it is ensured that braking function reaches retarder location, and ensures the performance of service lap position, and office subtracts shutoff valve
Effect is the path that train pipe and air are linked up at braking initial stage, train tube pressure is depressurized with faster speed, makes service portion
Retarder location is rapidly entered, the chamber volume 11 is connected by pipeline with balanced valve 4, the balanced valve 4 is according to the pressure of chamber volume 11
Power size controls the pressure size of checking cylinder 15.
Wherein, the upper chambers of main piston assembly 8 subtract valve 17 with office by the valve port of stabilizers 7 and connected, and the office subtracts
Valve 17 subtracts room 16 with checking cylinder 15, office respectively by pipeline and connected, described when the pressure of chamber volume 11 reaches 50~70kPa
Office subtract valve 17 by office subtract the pressure air of room 16 arrange to checking cylinder 15 path cut-out, effect is subtracted with the office of termination.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (3)
1. a kind of passenger train air brake valve, including service portion（1）, work reservoir charge valve（2）, balanced valve（3）, balanced valve
（4）And office subtracts shutoff valve（5）, it is characterised in that：The service portion（1）Including steam supply valve（6）, stabilizers（7）And main work
Fill in assembly（8）, the service portion（1）Main piston assembly（8）Upper chambers pass through pipeline and train pipe（9）Connection, below
Chamber and work reservoir（10）Connection, passes through train pipe（9）The change of pressure causes pressure difference to control the action of brake valve, institute
State steam supply valve（6）Upper chamber pass through pipeline with work reservoir（10）Connection, the steam supply valve（6）Lower chamber pass through pipe
Road and chamber volume（11）Connection, the steam supply valve（6）According to train pipe（9）Pressure change, control the work reservoir（10）
With chamber volume（11）The opening and closing of path, the steam supply valve（6）Upper chamber with row atmospheric air port（12）Connection, the steam supply valve
（6）Opening and closing can make chamber volume（11）Pressure air arrange to air, the main piston assembly（8）Upper chambers pass through auxiliary reservoir
Charging check valve（13）With auxiliary reservoir（14）Connection, the auxiliary reservoir（14）Pass through pipeline and balanced valve（4）Connection, the equilibrium
Valve（4）Pass through pipeline and checking cylinder（15）Connection, the auxiliary reservoir（14）Pass through balanced valve as wind regime（4）Supply to checking cylinder
（15）, the train pipe（9）Pass through the reservoir charge valve that works（2）With main piston assembly（8）Lower chamber is connected, the train pipe
（9）To work reservoir（10）Inflation, the train pipe（9）With work reservoir（10）Pressure change participate in balance, work as brake
When needing to be in retarder location, the balanced valve（3）Push rod by main piston assembly（8）Withstand and drive main piston assembly（8）To
Upper movement, the main piston assembly（8）Push rod by stabilizers（7）Valve port top open, the main piston assembly（8）Upper chambers
Pass through stabilizers（7）Valve port subtract room with office respectively（16）Drawn game subtracts shutoff valve（5）Connection, the chamber volume（11）Pass through pipeline
With balanced valve（4）Connection, the balanced valve（4）According to chamber volume（11）Pressure size control checking cylinder（15）Pressure it is big
It is small.
2. passenger train air brake valve according to claim 1, it is characterised in that：The main piston assembly（8）Top
Chamber passes through stabilizers（7）Valve port and office subtract valve（17）Connection, the office subtracts valve（17）By pipeline respectively with checking cylinder
（15）, office subtract room（16）Connection.
3. passenger train air brake valve according to claim 2, it is characterised in that：The chamber volume（11）Pressure reaches
During 50~70kPa, the office subtracts valve（17）Office is subtracted into room（16）Pressure air is arranged to checking cylinder（15）Path cut-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710499228.3A CN107097770B (en) | 2017-06-27 | 2017-06-27 | Air brake valve for railway carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710499228.3A CN107097770B (en) | 2017-06-27 | 2017-06-27 | Air brake valve for railway carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107097770A true CN107097770A (en) | 2017-08-29 |
| CN107097770B CN107097770B (en) | 2023-04-11 |
Family
ID=59663355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710499228.3A Active CN107097770B (en) | 2017-06-27 | 2017-06-27 | Air brake valve for railway carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107097770B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108238032A (en) * | 2018-03-20 | 2018-07-03 | 眉山中车制动科技股份有限公司 | Pressure difference is averaged valve |
| CN111688657A (en) * | 2020-07-17 | 2020-09-22 | 眉山中车制动科技股份有限公司 | Stage relieving and direct relieving conversion device and method |
| CN112172771A (en) * | 2020-09-17 | 2021-01-05 | 眉山中车制动科技股份有限公司 | Air brake valve for railway carriage |
| CN113525326A (en) * | 2021-06-30 | 2021-10-22 | 眉山中车制动科技股份有限公司 | Three-pressure distribution valve |
| CN115107726A (en) * | 2022-06-20 | 2022-09-27 | 眉山中车制动科技股份有限公司 | Three-pressure brake valve for controlling air pressure fluctuation of brake cylinder |
| CN115107727A (en) * | 2022-06-17 | 2022-09-27 | 眉山中车制动科技股份有限公司 | Train pipe local pressure reduction structure and pressure reduction method thereof |
| CN115158268A (en) * | 2022-07-04 | 2022-10-11 | 眉山中车制动科技股份有限公司 | Method for conversion between stage relieving and direct relieving and three-pressure brake valve device |
| CN115179918A (en) * | 2022-07-12 | 2022-10-14 | 眉山中车制动科技股份有限公司 | Structure and method for accurately controlling air pressure of brake cylinder |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5358315A (en) * | 1993-04-01 | 1994-10-25 | Westinghouse Air Brake Company | Microprocessor-based electropneumatic locomotive brake control system having pneumatic backup brake control |
| CA2351915A1 (en) * | 2000-06-28 | 2001-12-28 | Westinghouse Air Brake Technologies Corporation | Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system |
| CN201002603Y (en) * | 2006-12-12 | 2008-01-09 | 中国南车集团眉山车辆厂 | Braking controller for railway vehicle |
| CN101774376A (en) * | 2010-03-12 | 2010-07-14 | 北京南车时代机车车辆机械有限公司 | Air brake valve for locomotive and use method thereof |
| EP2261095A2 (en) * | 2009-06-11 | 2010-12-15 | Dako-CZ, a.s. | Braking device for multiple wagon vehicles, such as railway trains, kinked characteristic valve and method |
| CN201769817U (en) * | 2010-07-07 | 2011-03-23 | 南车株洲电力机车有限公司 | 109-type distributing valve |
| CN102114854A (en) * | 2011-01-21 | 2011-07-06 | 铁道部运输局 | Distribution valve for brake system of high-speed train |
| CN102923118A (en) * | 2012-11-22 | 2013-02-13 | 四川制动科技股份有限公司 | Locomotive distribution valve and working method thereof |
| CN202987124U (en) * | 2012-11-22 | 2013-06-12 | 四川制动科技股份有限公司 | Locomotive distributing valve |
| CN103963767A (en) * | 2014-05-13 | 2014-08-06 | 四川制动科技股份有限公司 | Railway vehicle empty and load automatic adjusting valve of balance fulcrum type lever structure |
| US20150061360A1 (en) * | 2013-09-05 | 2015-03-05 | New York Air Brake Corporation | Differential relay type brake cylinder maintaining valve |
| CN105151034A (en) * | 2015-10-12 | 2015-12-16 | 四川制动科技股份有限公司 | Plunger type three-way valve |
| CN105905088A (en) * | 2016-05-31 | 2016-08-31 | 眉山中车制动科技股份有限公司 | Auxiliary reservoir inflation control device for brake valve |
| CN205632461U (en) * | 2016-05-27 | 2016-10-12 | 中国铁道科学研究院 | Vehicle pneumatic braking control valve and guiding valve structure thereof |
| CN205632462U (en) * | 2016-05-31 | 2016-10-12 | 眉山中车制动科技股份有限公司 | Auxiliary reservoir air inflation control device for brake valve |
| CN106347341A (en) * | 2016-11-16 | 2017-01-25 | 眉山中车制动科技股份有限公司 | Main control mechanism for maintaining pressure of distribution valve stable when distributionvalve brakes pressure-holding position |
| CN106671966A (en) * | 2016-09-28 | 2017-05-17 | 中国神华能源股份有限公司 | Air control valve and air control valve assembly |
| CN206826636U (en) * | 2017-06-27 | 2018-01-02 | 眉山中车制动科技股份有限公司 | A kind of passenger train air brake valve |
-
2017
- 2017-06-27 CN CN201710499228.3A patent/CN107097770B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5358315A (en) * | 1993-04-01 | 1994-10-25 | Westinghouse Air Brake Company | Microprocessor-based electropneumatic locomotive brake control system having pneumatic backup brake control |
| CA2351915A1 (en) * | 2000-06-28 | 2001-12-28 | Westinghouse Air Brake Technologies Corporation | Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system |
| CN201002603Y (en) * | 2006-12-12 | 2008-01-09 | 中国南车集团眉山车辆厂 | Braking controller for railway vehicle |
| EP2261095A2 (en) * | 2009-06-11 | 2010-12-15 | Dako-CZ, a.s. | Braking device for multiple wagon vehicles, such as railway trains, kinked characteristic valve and method |
| CN101774376A (en) * | 2010-03-12 | 2010-07-14 | 北京南车时代机车车辆机械有限公司 | Air brake valve for locomotive and use method thereof |
| CN201769817U (en) * | 2010-07-07 | 2011-03-23 | 南车株洲电力机车有限公司 | 109-type distributing valve |
| CN102114854A (en) * | 2011-01-21 | 2011-07-06 | 铁道部运输局 | Distribution valve for brake system of high-speed train |
| CN202987124U (en) * | 2012-11-22 | 2013-06-12 | 四川制动科技股份有限公司 | Locomotive distributing valve |
| CN102923118A (en) * | 2012-11-22 | 2013-02-13 | 四川制动科技股份有限公司 | Locomotive distribution valve and working method thereof |
| US20150061360A1 (en) * | 2013-09-05 | 2015-03-05 | New York Air Brake Corporation | Differential relay type brake cylinder maintaining valve |
| CN103963767A (en) * | 2014-05-13 | 2014-08-06 | 四川制动科技股份有限公司 | Railway vehicle empty and load automatic adjusting valve of balance fulcrum type lever structure |
| CN105151034A (en) * | 2015-10-12 | 2015-12-16 | 四川制动科技股份有限公司 | Plunger type three-way valve |
| CN205632461U (en) * | 2016-05-27 | 2016-10-12 | 中国铁道科学研究院 | Vehicle pneumatic braking control valve and guiding valve structure thereof |
| CN105905088A (en) * | 2016-05-31 | 2016-08-31 | 眉山中车制动科技股份有限公司 | Auxiliary reservoir inflation control device for brake valve |
| CN205632462U (en) * | 2016-05-31 | 2016-10-12 | 眉山中车制动科技股份有限公司 | Auxiliary reservoir air inflation control device for brake valve |
| CN106671966A (en) * | 2016-09-28 | 2017-05-17 | 中国神华能源股份有限公司 | Air control valve and air control valve assembly |
| CN106347341A (en) * | 2016-11-16 | 2017-01-25 | 眉山中车制动科技股份有限公司 | Main control mechanism for maintaining pressure of distribution valve stable when distributionvalve brakes pressure-holding position |
| CN206826636U (en) * | 2017-06-27 | 2018-01-02 | 眉山中车制动科技股份有限公司 | A kind of passenger train air brake valve |
Non-Patent Citations (2)
| Title |
|---|
| 朱迎春: "104型空气分配阀紧急阀安定性的改进研究", 《铁道机车车辆》 * |
| 黄德山: "No483M货车空气分配阀", 《国外铁道车辆》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108238032B (en) * | 2018-03-20 | 2023-07-04 | 眉山中车制动科技股份有限公司 | Differential pressure average valve |
| CN108238032A (en) * | 2018-03-20 | 2018-07-03 | 眉山中车制动科技股份有限公司 | Pressure difference is averaged valve |
| CN111688657A (en) * | 2020-07-17 | 2020-09-22 | 眉山中车制动科技股份有限公司 | Stage relieving and direct relieving conversion device and method |
| CN111688657B (en) * | 2020-07-17 | 2024-02-20 | 眉山中车制动科技股份有限公司 | Stage release and direct release conversion device and method |
| CN112172771A (en) * | 2020-09-17 | 2021-01-05 | 眉山中车制动科技股份有限公司 | Air brake valve for railway carriage |
| CN113525326A (en) * | 2021-06-30 | 2021-10-22 | 眉山中车制动科技股份有限公司 | Three-pressure distribution valve |
| CN113525326B (en) * | 2021-06-30 | 2022-06-28 | 眉山中车制动科技股份有限公司 | Three-pressure distribution valve |
| CN115107727A (en) * | 2022-06-17 | 2022-09-27 | 眉山中车制动科技股份有限公司 | Train pipe local pressure reduction structure and pressure reduction method thereof |
| CN115107726A (en) * | 2022-06-20 | 2022-09-27 | 眉山中车制动科技股份有限公司 | Three-pressure brake valve for controlling air pressure fluctuation of brake cylinder |
| CN115107726B (en) * | 2022-06-20 | 2023-07-11 | 眉山中车制动科技股份有限公司 | Three-pressure brake valve for controlling air pressure fluctuation of brake cylinder |
| CN115158268A (en) * | 2022-07-04 | 2022-10-11 | 眉山中车制动科技股份有限公司 | Method for conversion between stage relieving and direct relieving and three-pressure brake valve device |
| CN115179918A (en) * | 2022-07-12 | 2022-10-14 | 眉山中车制动科技股份有限公司 | Structure and method for accurately controlling air pressure of brake cylinder |
| CN115179918B (en) * | 2022-07-12 | 2023-07-11 | 眉山中车制动科技股份有限公司 | Structure and method for precisely controlling air pressure of brake cylinder |
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| CN107097770B (en) | 2023-04-11 |
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