CN108674400A - A kind of rail vehicle bistable state automatic emergency braking triggering system - Google Patents
A kind of rail vehicle bistable state automatic emergency braking triggering system Download PDFInfo
- Publication number
- CN108674400A CN108674400A CN201810409005.8A CN201810409005A CN108674400A CN 108674400 A CN108674400 A CN 108674400A CN 201810409005 A CN201810409005 A CN 201810409005A CN 108674400 A CN108674400 A CN 108674400A
- Authority
- CN
- China
- Prior art keywords
- brake
- braking
- unit
- emergency brake
- emergency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/16—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger operated by remote control, i.e. initiating means not mounted on vehicle
- B60T7/18—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger operated by remote control, i.e. initiating means not mounted on vehicle operated by wayside apparatus
-
- 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
- B60T13/24—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 the fluid being gaseous
- B60T13/26—Compressed-air systems
- B60T13/36—Compressed-air systems direct, i.e. brakes applied directly by compressed air
- B60T13/365—Compressed-air systems direct, i.e. brakes applied directly by compressed air for railway vehicles
Abstract
The present invention relates to a kind of rail vehicle bistable state automatic emergencies to brake triggering system, it includes car body, wheel pair with brake assembly, emergency brake unit etc..In vehicle travel process, when braking control system breaks down, emergency brake can be touched by emergency brake manipulation unit touch pier, emergency brake manipulation unit after triggered, what can be stablized is maintained at open position, and emergency brake unit control valve is opened and is maintained at open state, and brake gas is provided to vehicle brake brake chamber, brake generates corresponding action, realizes the purpose of rail vehicle braking.Emergency brake manipulation unit is rotated after vehicle stops, what can be stablized is maintained in its closed position, and emergency brake unit control valve is closed, and opens deflation noise elimination control unit, reduces the air pressure in brake piping.This has good facilitation to improving the safety, riding comfort that vehicle high-speed is run, the development of vehicle technology.
Description
Technical field
The invention belongs to rail vehicle fields, are related to a kind of rail vehicle bistable state automatic emergency braking triggering system.More
Exactly, the present invention relates to a kind of rail vehicles when conventional brake steerable system breaks down, as a set of alternate brake
Triggering system.By triggering automatic emergency braking system, make track train brake that corresponding actions occur, there is stopping power,
Ensure the safety of train operation.
Background technology
Currently, High Speed Train in China is fast-developing, the rapid development in China rail vehicle field is driven.Train running speed
Raising, to the braking ability of train, more stringent requirements are proposed, the security performance and comfortableness problem of the operation of rail vehicle
It becomes increasingly conspicuous.Since train is in high-speed cruising, conventional brake steerable system application is more frequent, is extremely easy to happen failure, is
Security risk is buried in the even running of train, therefore, it is necessary to increase a set of emergency brake triggering system, to ensure train operation
Safety.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of brakings of rail vehicle bistable state automatic emergency to touch
Hair system.The system can be touched emergency brake by emergency brake manipulation unit and touch when braking control system breaks down
Pier is touched, triggers emergency brake manipulation unit, and that stablizes is maintained at open position, emergency brake unit control valve is opened, vehicle
Brake gas room pressure increases, and brake generates corresponding action, realizes the purpose of rail vehicle braking.Work as vehicle
Emergency brake manipulation unit is rotated after stopping, what can be stablized is maintained in its closed position, and emergency brake unit control valve is closed,
Deflation noise elimination control unit is opened, the air pressure in brake piping is reduced.
The above-mentioned purpose of the present invention is realized by following scheme, is described with reference to the drawings as follows：
A kind of rail vehicle bistable state automatic emergency brakes triggering system, including car body 1, wheel pair and brake assembly 2 and
The main part of emergency brake unit 3, the wheel pair and brake assembly 2 and emergency brake unit 3 is fixedly mounted on car body 1
On, the emergency brake unit 3 is mainly touched by 1, No. 2 four Split flow brake pipe-line cell 8,10, braking main pipe rail 9, emergency brake
It touches pier 11, emergency brake manipulation unit 12 and braking gas receiver 15 to form, described 1, No. 2 four Split flow brake pipe-line cell 8,10
It is connected respectively with the brake chamber in brake assembly 2 with braking main pipe rail 9 and wheel pair, pier 11 is touched in the emergency brake
Be fixedly mounted on the ground, the emergency brake manipulation unit 12 is fixedly mounted on car body 1, and with mounted in braking main pipe rail 9
On shaft coupling control valve unit 13 connect, the braking gas receiver 15 is fixedly mounted on car body 1, and with brake main pipe rail 9
Connection brakes and is installed with braking gas receiver ventilating control valve 16 on gas receiver 15, equipped with deflation on the braking main pipe rail 9
Noise elimination control unit 14.
The emergency brake manipulation unit 12 is mainly overturn by bistable state tension spring unit 17, drive link 18, touching
Swing arm 19, emergency brake manipulation unit bearing 20, braking valve motion arm 21 and brake valve drive shaft 22 form, and the bistable state is drawn
17 one end of power spring unit is connected with drive link 18, and the other end is connected with emergency brake manipulation unit bearing 20；It is described
18 one end of drive link is connected with touching overturning swing arm 19, and the other end is connected with braking valve motion arm 21, the brake valve
21 other end of actuating arm is connected with the brake valve drive shaft 22 on emergency brake manipulation unit bearing 20；The touching is turned over
19 one end of switch arm is connected on emergency brake manipulation unit bearing 20, and an idler wheel is installed in other end end；The emergency brake
Manipulation unit bearing 20 is fixedly mounted on car body 1；22 other end of brake valve drive shaft and shaft coupling control valve unit 13
It is connected.
The shaft coupling control valve unit 13, mainly by distal end shaft coupling 23, shaft coupling crosshead shoe 24, ball valve shaft coupling
25 form with braking opening controlling valve 26；23 side of distal end shaft coupling is connected with brake valve drive shaft 22, the other side with
Shaft coupling crosshead shoe 24 is connected；The shaft coupling crosshead shoe 24 is connected with ball valve shaft coupling 25；The ball valve shaft coupling
Device 25 is connected with braking opening controlling valve 26；Braking opening controlling valve 26 is connected with braking main pipe rail 9.
Compared with prior art the solution have the advantages that：
A kind of rail vehicle bistable state automatic emergency braking triggering system can be not only invented, can realize automatic touch
The function of sending out and keep improves the safety in operation of rail vehicle.
On the basis of original brake piping, increases a set of bistable state automatic emergency braking triggering system, there is structure letter
The features such as list, light weight.
Description of the drawings
Fig. 1 is the axonometric projection view of rail vehicle bistable state automatic emergency braking triggering system of the present invention；
Fig. 2 is axonometric projection view of the emergency brake unit of the present invention with wheel to brake unit；
Fig. 3 is the axonometric projection view of emergency brake unit of the present invention；
Fig. 4 is the partial enlargement axonometric projection view of emergency brake unit of the present invention；
Fig. 5 is the axonometric projection view of emergency brake manipulation unit of the present invention；
Fig. 6 is the axonometric projection view of shaft coupling control valve unit of the present invention；
Fig. 7 is the axonometric projection view of the acting urgent braking system of the present invention when not working；
The axonometric projection view of acting urgent braking system when Fig. 8 is work of the present invention；
Fig. 9 is touching overturning swing arm 19 and 20 contact condition schematic diagram of emergency brake manipulation unit bearing；
Figure 10 is touching overturning swing arm 19 and 20 disengaged position schematic diagram of emergency brake manipulation unit bearing.
In figure：1. car body, 2. wheels pair and brake assembly, 3. emergency brake units, No. 4.1 wheels pair and brake unit,
No. 5.2 wheels pair and brake unit, No. 6.3 wheels pair and brake unit, No. 7.4 wheels pair and brake unit, No. 8.1 four points
Brake piping unit is flowed, 9. braking main pipe rails, No. 10.2 four Split flow brake pipe-line cells, 11. emergency brakes touching pier, 12. answer
Anxious actuation unit, 13. shaft coupling control valve units, 14. deflation noise elimination control units, 15. braking gas receivers, 16. brakings
Gas receiver ventilating control valve, 17. bistable state tension spring units, 18. drive links, 19. touching overturning swing arms, 20. emergent systems
Dynamic manipulation unit bearing, 21. braking valve motion arms, 22. brake valve drive shafts, 23. distal end shaft couplings, 24. shaft coupling crosses are slided
Block, 25. ball valve shaft couplings, 26. braking opening controlling valves.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, and those skilled in the art can be made with reference to specification
Word can be implemented according to this.
The present invention relates to a kind of rail vehicle bistable state automatic emergencies to brake triggering system, including car body, wheel pair and braking
Device assembly, emergency brake unit etc..In the present invention when braking control system breaks down, touched by emergency brake manipulation unit
Touch emergency brake touching pier, it is triggered after emergency brake manipulation unit, what can be stablized is maintained at open position, emergency brake
Unit control valve is opened, and is maintained at open state, brake gas is provided to the brake gas chamber of vehicle, to brake
Device generates corresponding action, to realize the purpose of rail vehicle braking.Emergency brake manipulation unit, energy are rotated after vehicle stops
That enough stablizes is maintained in its closed position, and emergency brake unit control valve is closed accordingly, manipulates deflation noise elimination control unit, drop
Air pressure in low brake piping.
Overall structure of the present invention, each component composition and working principle are introduced first：
Refering to fig. 1 and Fig. 2, the rail vehicle bistable state automatic emergency brake triggering system, including car body 1, wheel pair
With brake assembly 2, emergency brake unit 3；Wherein, wheel pair is fixedly mounted on vehicle with brake assembly 2 with emergency brake unit 3
On body 1,8, No. 2 four Split flow brake pipe-line cells 10 of No. 1 four Split flow brake pipe-line cell in emergency brake unit 3 respectively with wheel
Pair it is connected with the brake chamber in brake assembly 2；No. 1 wheel pair and brake unit 4 and No. 4 wheels pair and brake unit 7
It is symmetrically installed on car body 1；No. 2 wheels pair are symmetrically installed on vehicle with brake unit 5 and No. 3 wheels pair with brake unit 6
On body 1, wherein No. 1 wheel pair and the distance between the wheel pair of brake unit 4 to 2 and brake unit 5 be equal to No. 3 wheels pair with
Brake unit 6 and the distance between No. 4 wheels pair and brake unit 7.
Refering to Fig. 3 and Fig. 4, the emergency brake unit 3 is mainly total by No. 1 four Split flow brake pipe-line cells 8, braking
9, No. 2 four Split flow brake pipe-line cells 10 of pipeline, emergency brake touching pier 11, emergency brake manipulation unit 12, shaft coupling control
Valve cell 13, deflation noise elimination control unit 14, braking gas receiver 15, braking gas receiver ventilating control valve 16 form；Wherein, No. 1
Four Split flow brake pipe-line cells 8 and No. 2 four Split flow brake pipe-line cells 10 are connected with braking main pipe rail 9 respectively, No. 1 four shunting
Brake piping unit 8 and No. 2 four Split flow brake pipe-line cells 10 are that length is identical, ensure the gas in braking main pipe rail 9
The distance of body to each brake chamber is equal, realizes the synchronism of each wheel braking；Emergency brake is touched pier 11 and is fixed
Installation is on the ground；Emergency brake manipulation unit 12 is fixedly mounted on car body 1, the other end and 13 phase of shaft coupling control valve unit
Connection；13 other end of shaft coupling control valve unit is connected with braking main pipe rail 9；Deflation noise elimination control unit 14 is fixedly mounted on
It brakes on main pipe rail 9, deflation noise elimination control unit 14 has the gas in discharge brake piping, while having the function of noise elimination；
Braking gas receiver 15 is fixedly mounted on car body 1, has the function of storing high-pressure brake gas；Brake gas receiver ventilating control valve
16 are fixedly mounted on braking gas receiver 15, are the control valves for braking 15 inflatable interface of gas receiver.
Refering to Fig. 5, the emergency brake manipulation unit 12, mainly by bistable state tension spring unit 17, drive link
18, touching overturning swing arm 19, emergency brake manipulation unit bearing 20, braking valve motion arm 21, brake valve drive shaft 22 form；Its
In, 17 side of bistable state tension spring unit is connected with drive link 18, the other side and emergency brake manipulation unit bearing 20
It is connected；18 side of drive link is connected with touching overturning swing arm 19, and the other side is connected with braking valve motion arm 21；Touching
Overturning 19 one end of swing arm is connected with emergency brake manipulation unit bearing 20, and one idler wheel of other end end installation, idler wheel can be
In collision process, the effective impact for reducing emergency brake touching pier 11 to touching overturning swing arm 19 keeps operating condition more flat
It is suitable；Emergency brake manipulation unit bearing 20 is fixedly mounted on car body 1；Brake 21 other end of valve motion arm and brake valve drive shaft
22 are connected；22 other end of brake valve drive shaft is connected with shaft coupling control valve unit 13；Due to touching overturning swing arm 19
Length is more than the length of braking valve motion arm 21, can realize the function of amplifying moment, has portability for the realization of function
The characteristics of.
Refering to Fig. 6, the shaft coupling control valve unit 13, mainly by distal end shaft coupling 23, shaft coupling crosshead shoe 24,
Ball valve shaft coupling 25, braking opening controlling valve 26 form；Wherein, shaft coupling 23 side in distal end is connected with brake valve drive shaft 22
It connects, the other side is connected with shaft coupling crosshead shoe 24；The other side of shaft coupling crosshead shoe 24 is connected with ball valve shaft coupling 25
It connects；The other side of ball valve shaft coupling 25 is connected with braking opening controlling valve 26；Distal end shaft coupling 23, shaft coupling crosshead shoe
24, the shaft coupling that ball valve shaft coupling 25 is constituted can realize the axis and braking opening controlling valve for making brake valve drive shaft 22
26 axis is not arranged on the same straight line, and is had the characteristics that versatile；Brake 26 other side of opening controlling valve and braking manifold
Road 9 is connected.
It is the introduction that triggering system entirety and component part are braked to this bistable state automatic emergency above, it below will be to bistable
The working method of state automatic emergency braking triggering system is introduced：
Refering to Fig. 7 and Fig. 8, the touching overturning swing arm 19 in emergency brake manipulation unit 12 is in the state put down, and meets an urgent need
Actuation unit bearing 20 limits it, and when rail vehicle is travelled towards emergency brake touching pier 11, touching overturning is put
When the idler wheel of 19 end of arm touches emergency brake touching pier 11, touching overturning swing arm 19 is in emergency brake touching pier 11 and double
Under the action of stable state tension spring unit 17, by upward lifting until contacting emergency brake manipulation unit bearing 20, emergency brake
Manipulation unit bearing 20 simultaneously limits it, and touching overturning swing arm 19 drives drive link 18 to move upwards, drive link 18
It drives braking valve motion arm 21 to rotate, while brake valve drive shaft 22 being driven to rotate, to drive shaft coupling control valve unit 13
In distal end shaft coupling 23, shaft coupling crosshead shoe 24 and ball valve shaft coupling 25 rotate together, realize unlatching braking open control
The function of valve 26 processed so that brake piping obtains high pressure gas, and brake generates corresponding action, to realize the work(of braking
Energy.
Refering to Fig. 9 and Figure 10, when the vehicle is stopped, touching overturning swing arm 19 is rotated down with hand, in bistable state pulling force bullet
Under the action of spring unit 17, touching overturning swing arm 19 is by falls downward, until being detached from emergency brake manipulation unit bearing 20, is touching
Under the drive for knocking switch arm 19 over, drive link 18 moves downward, and drive link 18 drives braking by braking valve motion arm 21
Valve drive shaft 22 rotates, to drive 23 shaft coupling crosshead shoe of distal end shaft coupling, 24 ball in shaft coupling control valve unit 13
Valve shaft coupling 25 rotates, and realizes the function of closing braking opening controlling valve 26.Deflation noise elimination control unit 14 is opened simultaneously, it will
Gas discharge in brake piping, reduces the air pressure in brake piping, so that next time uses.
Claims (3)
1. a kind of rail vehicle bistable state automatic emergency brakes triggering system, including car body (1), wheel pair and brake assembly (2)
With emergency brake unit (3), it is characterised in that：
The main part of the wheel pair and brake assembly (2) and emergency brake unit (3) is fixedly mounted on car body (1), institute
Emergency brake unit (3) is stated mainly to be touched by 1, No. 2 four Split flow brake pipe-line cell (8,10), braking main pipe rail (9), emergency brake
It touches pier (11), emergency brake manipulation unit (12) and braking gas receiver (15) to form, described 1, No. 2 four Split flow brake pipe-line cell
(8,10) are connected with braking main pipe rail (9) and wheel pair with the brake chamber in brake assembly (2) respectively, the emergency brake
Touch pier (11) be fixedly mounted on the ground, the emergency brake manipulation unit (12) is fixedly mounted on car body (1), and with dress
Shaft coupling control valve unit (13) connection on braking main pipe rail (9), the braking gas receiver (15) are fixedly mounted on car body
(1) it on, and is connect with braking main pipe rail (9), braking gas receiver ventilating control valve is installed on braking gas receiver (15)
(16), deflation noise elimination control unit (14) is housed on the braking main pipe rail (9).
2. rail vehicle bistable state automatic emergency according to claim 1 brakes triggering system, it is characterised in that：It is described to answer
Anxious actuation unit (12), mainly by bistable state tension spring unit (17), drive link (18), touching overturning swing arm
(19), emergency brake manipulation unit bearing (20), braking valve motion arm (21) and brake valve drive shaft (22) composition, the bistable
State tension spring unit (17) one end is connected with drive link (18), the other end and emergency brake manipulation unit bearing (20) phase
Connection；Described drive link (18) one end is connected with touching overturning swing arm (19), the other end and braking valve motion arm (21) phase
Connection, braking valve motion arm (21) other end and the brake valve drive shaft on emergency brake manipulation unit bearing (20)
(22) it is connected；Touching overturning swing arm (19) one end is connected on emergency brake manipulation unit bearing (20), other end end
Portion is installed by one idler wheel；The emergency brake manipulation unit bearing (20) is fixedly mounted on car body (1)；The brake valve drive shaft
(22) other end is connected with shaft coupling control valve unit (13).
3. rail vehicle bistable state automatic emergency according to claim 1 or 2 brakes triggering system, it is characterised in that：Institute
Shaft coupling control valve unit (13) is stated, mainly by distal end shaft coupling (23), shaft coupling crosshead shoe (24), ball valve shaft coupling (25)
It is formed with braking opening controlling valve (26)；Distal end shaft coupling (23) side is connected with brake valve drive shaft (22), another
Side is connected with shaft coupling crosshead shoe (24)；The shaft coupling crosshead shoe (24) is connected with ball valve shaft coupling (25)；Institute
Ball valve shaft coupling (25) is stated with braking opening controlling valve (26) to be connected；Brake opening controlling valve (26) and braking main pipe rail (9)
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810409005.8A CN108674400A (en) | 2018-05-02 | 2018-05-02 | A kind of rail vehicle bistable state automatic emergency braking triggering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810409005.8A CN108674400A (en) | 2018-05-02 | 2018-05-02 | A kind of rail vehicle bistable state automatic emergency braking triggering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108674400A true CN108674400A (en) | 2018-10-19 |
Family
ID=63802005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810409005.8A Pending CN108674400A (en) | 2018-05-02 | 2018-05-02 | A kind of rail vehicle bistable state automatic emergency braking triggering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108674400A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB173936A (en) * | 1920-11-08 | 1922-01-19 | Walter Deacon | A mechanism for stopping and controlling the speed of trains independently of the drivers |
| GB1330514A (en) * | 1970-02-18 | 1973-09-19 | Mini Verkehrswesen | Automatic braking system for run-up tests of automatic central buffer couplings on rail vehicles |
| JP2003040108A (en) * | 2001-07-31 | 2003-02-13 | Mitsubishi Heavy Ind Ltd | Emergency brake system of rolling stock |
| CN101193782A (en) * | 2005-05-13 | 2008-06-04 | 阿梅特西斯工程和技术顾问有限公司 | Derailment control system |
| CN101973286A (en) * | 2009-02-05 | 2011-02-16 | 通用电气公司 | System and method for control of distributed power rail vehicle |
| CN202163425U (en) * | 2011-08-11 | 2012-03-14 | 蔡方舟 | Automatic safety device beneficial to accurate positioning and parking of rail transportation vehicles |
| CN106525467A (en) * | 2016-10-19 | 2017-03-22 | 中车长春轨道客车股份有限公司 | Emergency stop control method for rail vehicle test site |
| CN107303908A (en) * | 2016-04-15 | 2017-10-31 | 沃尔沃汽车公司 | Apparatus and method for automatic road vehicle safety stop |
| CN208198381U (en) * | 2018-05-02 | 2018-12-07 | 吉林大学 | A kind of rail vehicle bistable state automatic emergency braking triggering system |
-
2018
- 2018-05-02 CN CN201810409005.8A patent/CN108674400A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB173936A (en) * | 1920-11-08 | 1922-01-19 | Walter Deacon | A mechanism for stopping and controlling the speed of trains independently of the drivers |
| GB1330514A (en) * | 1970-02-18 | 1973-09-19 | Mini Verkehrswesen | Automatic braking system for run-up tests of automatic central buffer couplings on rail vehicles |
| JP2003040108A (en) * | 2001-07-31 | 2003-02-13 | Mitsubishi Heavy Ind Ltd | Emergency brake system of rolling stock |
| CN101193782A (en) * | 2005-05-13 | 2008-06-04 | 阿梅特西斯工程和技术顾问有限公司 | Derailment control system |
| CN101973286A (en) * | 2009-02-05 | 2011-02-16 | 通用电气公司 | System and method for control of distributed power rail vehicle |
| CN202163425U (en) * | 2011-08-11 | 2012-03-14 | 蔡方舟 | Automatic safety device beneficial to accurate positioning and parking of rail transportation vehicles |
| CN107303908A (en) * | 2016-04-15 | 2017-10-31 | 沃尔沃汽车公司 | Apparatus and method for automatic road vehicle safety stop |
| CN106525467A (en) * | 2016-10-19 | 2017-03-22 | 中车长春轨道客车股份有限公司 | Emergency stop control method for rail vehicle test site |
| CN208198381U (en) * | 2018-05-02 | 2018-12-07 | 吉林大学 | A kind of rail vehicle bistable state automatic emergency braking triggering system |
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