CN107914729B - A kind of rail vehicle and its braking equipment - Google Patents
A kind of rail vehicle and its braking equipment Download PDFInfo
- Publication number
- CN107914729B CN107914729B CN201711131126.2A CN201711131126A CN107914729B CN 107914729 B CN107914729 B CN 107914729B CN 201711131126 A CN201711131126 A CN 201711131126A CN 107914729 B CN107914729 B CN 107914729B
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- China
- Prior art keywords
- pressure
- emergency braking
- train pipe
- executive device
- active
- Prior art date
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Classifications
-
- 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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
Abstract
The invention discloses a kind of emergency braking equipment of rail vehicle, the passive control unit of train pipe pressure release is carried out including being connected with train pipe, to reduce train tube pressure to realize the executive device of emergency braking, be connected with the executive device, to control the executive device when train tube pressure declines, and is connected with the executive device, is controlled the active control portion of the executive device progress train pipe pressure release to receive operation or security loop signal.The invention also discloses a kind of rail vehicles including above-mentioned emergency braking equipment.Emergency braking equipment provided by the present invention has active emergency braking and passive emergency braking function, and active brake portion and passive braking parts share an executive device, to reduce the quantity of executive device.Therefore, this invention simplifies the structure of emergency braking equipment, maintenance cost is reduced.
Description
Technical field
The present invention relates to rail vehicle technical field, in particular to a kind of braking equipment of rail vehicle.The present invention also relates to
And a kind of rail vehicle including above-mentioned braking equipment.
Background technique
When rail vehicle encounters emergency, need to make vehicle quick deceleration to stopping by emergency braking equipment.Track
The emergency braking equipment of vehicle is divided into active emergency braking equipment and passive emergency braking equipment, and active brake equipment is by operator
Emergency brake of vehicle is realized in member's operation or the instruction of security loop electric signal；Passive emergency braking equipment be able to detect that train pipe because
The pressure difference that vehicle occurs disconnected hook or generates situations such as drawing guard's valve, and vehicle is braked.
In the prior art, active brake equipment and passive braking equipment are provided separately, and it is multiple to cause braking equipment structure
It is miscellaneous, the disadvantages of how not convenient for safeguarding components are.Therefore, how to simplify braking equipment structure, improve the maintainability of braking equipment, be
Those skilled in the art's technical problem urgently to be solved.
Summary of the invention
The object of the present invention is to provide a kind of braking equipments, and structure is simple, and it is a further object of the present invention to provide one kind
Rail vehicle including above-mentioned braking equipment, it is easy to maintain.
In order to solve the above technical problems, the present invention provides a kind of emergency braking equipment of rail vehicle, including with train
Pipe is connected, to reduce train tube pressure to realize the executive device of emergency braking, be connected with the executive device, ought arrange
Vehicle pipe pressure controls the passive control unit that the executive device carries out train pipe pressure release when declining, and with the executive device phase
Even, to receive operation or security loop signal to control the active control portion that the executive device carries out train pipe pressure release.
Preferably, the executive device is specially air pressure driving switching valve；
The air pressure driving switching valve includes valve body and precontrol valve, and the valve body gas can be controlled by being equipped in the precontrol valve
The piston of flow, the rodless cavity and rod chamber of the piston pass through upper pipeline respectively and lower manifold is connected with train pipe；
The upper pipeline and the lower manifold be respectively equipped with when pressure declines in train pipe in the rodless cavity and
Pressure difference is generated between the rod chamber to push the piston and realize the first current-limiting apparatus and the second current limliting of train pipe pressure release
Device；
The active control portion is solenoid valve, and the solenoid valve is connected by active pipeline with the rodless cavity, works as vehicle
When carrying out active emergency braking, the solenoid valve unlatching makes the rodless cavity pressure release.
Preferably, first current-limiting apparatus and second current-limiting apparatus are respectively the first shrinkage cavity and the second shrinkage cavity, and
The diameter of first shrinkage cavity is greater than the diameter of second shrinkage cavity.
Preferably, the active pipeline is connected with the upper pipeline.
Preferably, first shrinkage cavity and second shrinkage cavity rear end are respectively equipped with to maintain the precontrol valve pressure steady
Fixed the first storage pressure device and the second storage pressure device.
Preferably, the active pipeline is equipped with feedback of the detection train tube pressure to be fed back to train braking state
Device.
Preferably, the solenoid valve be specially conduct or the solenoid valve of power loss conducting, the active pipeline is equipped with
The solenoid valve is isolated so that train pipe can be realized normal relaxation effect when solenoid valve failure or vehicle are without fiery loopback
Cock.
Preferably, the feedback device is pressure switch.
The present invention also provides a kind of rail vehicles, including emergency braking equipment described in any of the above embodiments.
In the prior art, rail vehicle is respectively arranged with active brake equipment and passive braking equipment, and the present invention is only set
It is equipped with a braking equipment, the executive device in the braking equipment can control train pipe and carry out pressure release, and so that vehicle is generated braking,
Executive device can be controlled by active control portion and passive control unit, to realize active brake and passive braking work
Energy.Because active brake of the present invention and passive brake share an executive device, reduce the usage quantity of executive device, so
The structure for simplifying braking equipment makes it easy to safeguard.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of schematic diagram of specific embodiment of braking equipment provided by the present invention；
Fig. 2 is the schematic diagram of passive control unit in Fig. 1；
Fig. 3 is the schematic diagram of the middle and upper part Fig. 1 pipeline and lower manifold connection relationship；
Fig. 4 is the schematic diagram in active control portion in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Please refer to figs. 1 to 4, and Fig. 1 is a kind of schematic diagram of specific embodiment of braking equipment provided by the present invention；
Fig. 2 is the schematic diagram of passive control unit in Fig. 1；Fig. 3 is the schematic diagram of the middle and upper part Fig. 1 pipeline and lower manifold connection relationship；Fig. 4
For the schematic diagram in active control portion in Fig. 1.
Rail vehicle is controlled by train pipe, and when train pipe pressure release, vehicle generates braking.The present invention is set on train pipe
Executive device is set, train tube pressure is controlled by executive device.It is connected with active control portion and passive control unit in executive device, grasps
Make personnel and operate active control portion, control executive device carries out pressure release to train pipe, and then realizes vehicle active brake；Work as vehicle
When disconnected hook occurs, drawing the emergencies such as guard's valve, train tube pressure reflux can generate pressure difference, and passive control unit detects train pipe
Pressure difference after, control executive device to train pipe carry out pressure release, and then realize vehicle passively brake.
Executive device can be pneumatic operated valve or solenoid valve etc., in a kind of specific embodiment of the invention, such as Fig. 1 institute
Show, executive device is that air pressure drives switching valve 4, and it includes valve body and precontrol valve that air pressure, which drives switching valve 4, and valve body is connected with train pipe
And train pipe can be controlled and carry out pressure release, the movement of valve body is controlled by precontrol valve, and piston, piston rod and valve body are equipped in precontrol valve
It is connected.Under normal conditions, pressure is equal between the rod chamber of piston and rodless cavity, and air pressure driving switching valve 4 is in close state,
Train pipe not pressure release.When the rod chamber of piston and rodless cavity are there are when pressure difference, piston and piston rod move under the promotion of pressure difference,
And then acted with moving valve, control the carry out pressure release of train pipe.As shown in Fig. 2, the rodless cavity and rod chamber of piston pass through respectively
Upper pipeline 42 and lower manifold 41 are connected with train pipe, and the diameter of two pipelines is roughly equal, it is generally the case that rodless cavity and
The pressure of rod chamber is equal to the pressure in train pipe, and 2 He of the first shrinkage cavity is respectively equipped on upper pipeline 42 and lower manifold 41
Second shrinkage cavity 3, and the diameter of the first shrinkage cavity 2 is greater than the diameter of the second shrinkage cavity 3.Upper pipeline 42, lower manifold 41, the first shrinkage cavity
2 and second shrinkage cavity 3 collectively constitute passive control unit, when train pipe generates pressure difference, can have pressure drop inside train pipe, at this time on
The pressure of portion's pipeline 42 and lower manifold 41 is also reduced with train pipe, since there are current limliting works for the first shrinkage cavity 2 and the second shrinkage cavity 3
With, the pressure reduction of rodless cavity and rod chamber is slower, and because the diameter of the first shrinkage cavity 2 is greater than the diameter of the second shrinkage cavity 3, the
The metering function of one shrinkage cavity 2 is less than the second shrinkage cavity 3, and in the same time, the pressure drop in rodless cavity is greater than rod chamber, this makes no bar
Pressure in chamber is less than rod chamber, and between the two chambers under the action of pressure difference, piston is moved to rodless cavity, and then dynamic with moving valve
Make, makes train pipe pressure release.First shrinkage cavity 2 and the second shrinkage cavity 3 are that a kind of form of current-limiting apparatus can also adopt in addition to shrinkage cavity
With the current-limiting apparatus of the other forms such as restriction orifice, it is of course also possible to which current-limiting apparatus only is arranged in lower manifold 41.The present embodiment
Middle active control portion is solenoid valve 7, as shown in figure 4, rodless cavity is connected with solenoid valve 7 by active pipeline 43, is grasped when receiving
When making the pressure release instruction of personnel or security loop, solenoid valve 7, which is opened, carries out pressure release, the rodless cavity pressure drop being connected to solenoid valve 7
Low, this to generate pressure difference between rod chamber and rodless cavity, and under differential pressure action, piston is moved to rodless cavity, and then drives valve
Body movement, makes train pipe pressure release.
Executive device is that solenoid valve can also realize technical solution of the present invention, at this point, passive control device includes and electromagnetism
Valve connected pressure sensor and controller, pressure sensor is for measuring train tube pressure, and controller is according to pressure sensor
Measurement result judge whether to emergency braking, then controlled if you need to emergency braking solenoid valve to train pipe carry out pressure release；Actively
Control device is the electric-controlled switch in parallel with passive control device, which is controlled by operator or safety return circuit, behaviour
When making personnel and being closed electric-controlled switch or safety return circuit and provide instruction, solenoid valve obtains electric/power loss, makes train pipe pressure release, completes actively
Emergency braking.
To make rodless cavity and rod chamber pressure maintain to stablize, avoids piston from malfunctioning because of small pressure oscillation, cause
Unnecessary emergency braking, the present embodiment are provided with the first storage pressure device 8 and the also on upper pipeline 42 and lower manifold 41
Two storage pressure devices 1, the storage pressure device of two pipelines are all located in pipeline on the pipeline section of current-limiting apparatus rear end, and the first storage pressure device
8 volumes are no more than the second storage pressure device 1.Rear end refer to upper pipeline 42 and lower manifold 41 close to one end of piston, it is opposite,
Upper pipeline 42 and lower manifold 41 are front end close to one end of train pipe.Storage pressure device can set for storages pressures such as cylinder, cylinders
It is standby.
As shown in figure 3, the present embodiment is connected to lower manifold in order to simplify pipeline structure, by the front end of upper pipeline 42
The front end of the rear end of one pipeline section 410, the first pipeline section of lower manifold 410 is connected with train pipe, after the first pipeline section of lower manifold 410
End is connected with the front end of upper pipeline 42 and the front end of the second pipeline section of lower manifold 411, the second shrinkage cavity 3 and the second storage pressure device 1
In on the second pipeline section of lower manifold 411, the rear end of the second pipeline section of lower manifold 411 is connected with rod chamber, the present embodiment middle and upper part
Pipeline 42 is connected with train pipe indirectly by the first pipeline section of lower manifold 410, naturally it is also possible to as needed, by lower manifold 41
Front end be connected on the pipeline section of 42 current-limiting apparatus front end of upper pipeline or by the front end of upper pipeline 42 and lower manifold 41 all
It is connected directly between on train pipe.
In the present embodiment, active pipeline 43 is connected to upper pipeline 42 between the first shrinkage cavity 2 and the first storage pressure device 8
Pipeline section on, solenoid valve 7 unload rodless cavity pressure carry out active brake when, also can reduce train tube pressure, make train
It is more quickly completed braking.Although the pressure of rod chamber can also reduce during 7 pressure release of solenoid valve, air-flow stream in rod chamber
It is limited out by the second shrinkage cavity 3 and the first shrinkage cavity 2, air-flow flows out the limitation of not shrinkage cavity in rodless cavity, this makes rod chamber
Pressure drop is less than rodless cavity pressure drop, and the pressure difference for pushing piston motion can be generated between two chambers, thus in the present embodiment pipeline company
The mode of connecing will not influence the realization of active brake function.In the present embodiment, active pipeline 43 by upper pipeline 42 indirectly with
Rodless cavity is connected, and active pipeline 43 can also directly be connected with rodless cavity.
The passive braking process of emergency braking equipment provided by the present embodiment is, when disconnected hook or drawing guard's valve etc. occur for vehicle
When accident, train pipe generates pressure drop, meanwhile, upper pipeline 42 and lower manifold 41 also generate pressure drop, due to 41 He of lower manifold
Upper pipeline 42 is respectively equipped with the second shrinkage cavity 3 and the first shrinkage cavity 2, and because 3 diameter of the second shrinkage cavity less than the first shrinkage cavity 2,
The pressure drop of rod chamber is less than the pressure drop of rodless cavity, and rod chamber pressure is greater than rodless cavity pressure, work of the piston in two chamber pressure differences at this time
With lower movement, band moving valve is acted, and makes train pipe pressure release, completes passive braking.
Active brake process is that operator controls solenoid valve 7 and opens, and makes 7 pressure release of solenoid valve, and then make rodless cavity pressure
It reduces, pressure difference is generated between rodless cavity and rod chamber, piston moves under the action of pressure difference, and band moving valve acts, and makes train pipe
Active brake is completed in pressure release.
In the present embodiment, active brake and passive brake share an executive device, and the present embodiment passes through actively respectively
Control unit and passive control unit control executive device, complete active emergency braking and passive emergency braking function, are meeting function
Under the premise of needing, the structure of emergency braking equipment is simplified.
To allow the operator to understand in time emergency braking situation, the present embodiment is provided on active pipeline and reminds dress
It sets, active pipeline 43 is connected with rodless cavity, and pressure is substantially equal to pressure in rodless cavity in active pipeline 43, when pressure in rodless cavity
When lowering to a certain extent, piston action makes train pipe pressure release.Alarm set can set prompting pressure value, when in active pipeline 43
When pressure reaches prompting pressure value, alarm set reminds operator's vehicle to brake.
Specifically, alarm set uses the pressure switch 6 being connected with active pipeline 43, when pressure is less than in active pipeline 43
When reminding pressure, pressure switch 6 is acted, and operator judges whether vehicle has entered braking according to the position of pressure switch 6
State.Circuit structure also can be used in alarm set, for example, alarm set may include the pressure sensing by circuit connection
Device, electric-controlled switch and indicator light, pressure sensor measure 43 pressure of active pipeline, when pressure reaches preset value, electric-controlled switch
By the circuit conducting where indicator light, indicator light issues alerting signal.
The present embodiment is provided with alarm set on active pipeline, and alarm set can be carried out according to 43 pressure of active pipeline
Movement, when the pressure reaches preset value, and vehicle generates braking, alarm set movement mentions to carry out braking to operator
It wakes up.
If solenoid valve 7 is normally open type magnetic valve, when vehicle trouble or when without fiery loopback, solenoid valve 7 due to power loss always
In pressure release state, this will lead to train pipe and continues pressure release, and vehicle is constantly in on-position and can not move.The present embodiment exists
Cock 5 is provided on active pipeline, cock 5 can isolate solenoid valve 7 from pipeline, and it is closed active pipeline 43, into
And increase the pressure of rodless cavity, achieve the purpose that close air pressure driving switching valve 4, air pressure driving
To train pipe pressurising after the closing of switching valve 4, train can be made to be detached from on-position.Cock 5 can for butterfly valve, gate valve or reversal valve etc.,
The structure of cock in the prior art is specifically referred to, details are not described herein.
The present embodiment is provided with cock 5 on active pipeline 43, normally open type magnetic valve 7 can be isolated from pipeline, be made
Vehicle is able to carry out alleviation when solenoid valve failure or vehicle are without fiery loopback, to solve because solenoid valve 7 maintains pressure release shape
State and cause the irremovable problem of train.
Rail vehicle provided by the present invention includes emergency braking equipment described in above-mentioned each specific embodiment；Other
Part is referred to the prior art, not reinflated herein.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Rail vehicle provided by the present invention and its emergency braking equipment are described in detail above.It is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from this
, can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Claims (8)
1. a kind of emergency braking equipment of rail vehicle, which is characterized in that including being connected with train pipe, to reduce train pipe pressure
Power is connected, to described in the control when train tube pressure declines with realizing the executive device of emergency braking with the executive device
Executive device carries out the passive control unit of train pipe pressure release, and is connected with the executive device, to receive operation or safety
Loop signals are to control the active control portion that the executive device carries out train pipe pressure release；
The executive device is specially air pressure driving switching valve (4)；
Air pressure driving switching valve (4) includes valve body and precontrol valve, and the valve body gas can be controlled by being equipped in the precontrol valve
The piston of flow, the rodless cavity and rod chamber of the piston pass through upper pipeline (42) and lower manifold (41) and train pipe respectively
It is connected；
The upper pipeline (42) and the lower manifold (41) are respectively equipped with when pressure declines in train pipe in the no bar
Pressure difference is generated between chamber and the rod chamber to push the piston and realize the first current-limiting apparatus and second of train pipe pressure release
Current-limiting apparatus；
The active control portion is solenoid valve (7), and the solenoid valve (7) is connected by active pipeline (43) with the rodless cavity,
When vehicle carries out active emergency braking, the solenoid valve (7), which is opened, makes the rodless cavity pressure release.
2. emergency braking equipment according to claim 1, which is characterized in that first current-limiting apparatus and second limit
Stream device is respectively the first shrinkage cavity (2) and the second shrinkage cavity (3), and the diameter of first shrinkage cavity (2) is greater than second shrinkage cavity
(3) diameter.
3. emergency braking equipment according to claim 2, which is characterized in that the active pipeline (43) and the upper tube
Road (42) is connected.
4. emergency braking equipment according to claim 3, which is characterized in that first shrinkage cavity (2) and second contracting
Hole (3) rear end is respectively equipped with the first storage pressure device (1) and the second storage pressure device to maintain the precontrol valve pressure stable
(8)。
5. emergency braking equipment according to any one of claims 1 to 4, which is characterized in that on the active pipeline (43)
Feedback device equipped with detection train tube pressure to be fed back to train braking state.
6. emergency braking equipment according to any one of claims 1 to 4, which is characterized in that the solenoid valve (7) is specially
It must conduct or the solenoid valve of power loss conducting, the active pipeline (43) are equipped with when solenoid valve failure or vehicle are without fiery loopback
The solenoid valve (7) is isolated so that train pipe can be realized the cock (5) of normal relaxation effect.
7. emergency braking equipment according to claim 5, which is characterized in that the feedback device is pressure switch (6).
8. a kind of rail vehicle, which is characterized in that including the described in any item emergency braking equipment of claim 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131126.2A CN107914729B (en) | 2017-11-15 | 2017-11-15 | A kind of rail vehicle and its braking equipment |
| PCT/CN2017/117677 WO2019095503A1 (en) | 2017-11-15 | 2017-12-21 | Rail vehicle and braking apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131126.2A CN107914729B (en) | 2017-11-15 | 2017-11-15 | A kind of rail vehicle and its braking equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107914729A CN107914729A (en) | 2018-04-17 |
| CN107914729B true CN107914729B (en) | 2019-07-09 |
Family
ID=61896405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711131126.2A Active CN107914729B (en) | 2017-11-15 | 2017-11-15 | A kind of rail vehicle and its braking equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107914729B (en) |
| WO (1) | WO2019095503A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606099B (en) * | 2018-06-14 | 2020-10-27 | 中车大同电力机车有限公司 | Method and system for judging emergency braking reason of train |
| CN112829733B (en) * | 2019-11-22 | 2022-07-26 | 中车唐山机车车辆有限公司 | Emergency braking control device, emergency braking system and railway vehicle |
| CN113844489B (en) * | 2021-09-30 | 2022-10-14 | 中车株洲电力机车有限公司 | Control system and control method for unmanned vigilant emergency braking |
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| EP0349751A1 (en) * | 1988-07-07 | 1990-01-10 | Oerlikon-Knorr Eisenbahntechnik AG | Emergency brake device for an indirect acting air pressure brake |
| CN102328646A (en) * | 2011-07-25 | 2012-01-25 | 青岛四方车辆研究所有限公司 | Urban tram braking system |
| CN102951173A (en) * | 2012-11-07 | 2013-03-06 | 北京纵横机电技术开发公司 | Emergency braking device and method of braking system of railway vehicle |
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| CN205469104U (en) * | 2016-03-04 | 2016-08-17 | 青岛思锐科技有限公司 | Urgent exhaust device of locomotive brake system train pipe |
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| US3556314A (en) * | 1968-07-09 | 1971-01-19 | Dresser Ind | Automatic coupling system for rain brake lines |
| FR2316111A1 (en) * | 1975-07-04 | 1977-01-28 | Oerlikon Buehrle Ag | EMERGENCY BRAKE INSTALLATION FOR INDIRECT ACTION COMPRESSED AIR BRAKES EQUIPPED IN RAIL VEHICLES |
| DE2553584A1 (en) * | 1975-11-28 | 1977-06-08 | Knorr Bremse Gmbh | METHOD AND DEVICE FOR COMPRESSED AIR BRAKING SYSTEMS OF RAIL VEHICLES TO DETECT AND / OR INDICATE EMERGENCY BRAKING |
| US8919892B2 (en) * | 2007-11-08 | 2014-12-30 | New York Air Brake Corporation | Brake pipe vent valve for locomotive brake system |
| CN205113325U (en) * | 2015-11-19 | 2016-03-30 | 南京瑞发机械设备有限责任公司 | Train braking pipeline structure |
| CN205149845U (en) * | 2015-12-14 | 2016-04-13 | 中国铁道科学研究院 | Machine vehicle air brake valve |
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- 2017-12-21 WO PCT/CN2017/117677 patent/WO2019095503A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0349751A1 (en) * | 1988-07-07 | 1990-01-10 | Oerlikon-Knorr Eisenbahntechnik AG | Emergency brake device for an indirect acting air pressure brake |
| CN102328646A (en) * | 2011-07-25 | 2012-01-25 | 青岛四方车辆研究所有限公司 | Urban tram braking system |
| KR20130024436A (en) * | 2011-08-31 | 2013-03-08 | 현대로템 주식회사 | Air brake systems for rail vehicle |
| WO2013181707A1 (en) * | 2012-06-07 | 2013-12-12 | Faiveley Transport Australia Ltd | Park brake control assembly |
| CN102951173A (en) * | 2012-11-07 | 2013-03-06 | 北京纵横机电技术开发公司 | Emergency braking device and method of braking system of railway vehicle |
| CN104936815A (en) * | 2012-11-21 | 2015-09-23 | 庞巴迪运输有限公司 | Method for a braking operation of a wheel axle of a rail vehicle and braking system for a rail vehicle |
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| CN205469104U (en) * | 2016-03-04 | 2016-08-17 | 青岛思锐科技有限公司 | Urgent exhaust device of locomotive brake system train pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019095503A1 (en) | 2019-05-23 |
| CN107914729A (en) | 2018-04-17 |
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