CN106394531A - Air control device used for vehicle emergency braking - Google Patents
Air control device used for vehicle emergency braking Download PDFInfo
- Publication number
- CN106394531A CN106394531A CN201611062159.1A CN201611062159A CN106394531A CN 106394531 A CN106394531 A CN 106394531A CN 201611062159 A CN201611062159 A CN 201611062159A CN 106394531 A CN106394531 A CN 106394531A
- Authority
- CN
- China
- Prior art keywords
- valve
- air
- locomotive
- electromagnetic valve
- shuttle
- 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
Links
- 230000003137 locomotive effect Effects 0.000 claims description 65
- 230000006837 decompression Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
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
- B60T13/24—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses an air control device used for vehicle emergency braking. The device comprises a main air reservoir, a cutout cock, a pressure regulating valve, an overflow pressure reducing valve, an electromagnetic valve and a shuttle valve. One end of the cutout cock is connected with the main air reservoir, the pressure regulating valve is arranged behind the cutout cock, and the pressure regulating valve is connected with the cutout cock through a wind pipe. The overflow pressure reducing valve is arranged behind the pressure regulating valve, and the electromagnetic valve is arranged behind the overflow pressure reducing valve. A vehicle brake and the shuttle valve are connected through a wind pipe, and a brake cylinder is connected with an air outlet of the shuttle valve. Two air inlets are formed in the shuttle valve, one air inlet of the shuttle valve is connected with the vehicle brake through a pipeline, and the other air inlet is connected with the electromagnetic valve. According to the air control device used for vehicle emergency braking, the problem that timely and reliably adequate emergency braking power cannot be supplied can be solved, so that through the air control device, aerodynamic reliability and stability are improved, and the safety factor of an emergency air braking system is improved.
Description
Technical field
The invention belongs to locomotive emergency brake technical field is and in particular to a kind of air for locomotive emergency brake controls
Device.
Background technology
Brakes is the important component part of locomotive, is related to stability and the safety of locomotive operation, current locomotive
In brakes, the locomotive brake gear of locomotive air damper itself, once losing efficacy, will lead to locomotive to lose brake force, dangerous system
Number is higher.
The emergency brake of locomotive compensates as one kind of locomotive itself brakes, in the machine of locomotive air damper itself
Car brake, when losing efficacy, plays critically important effect, ensure that the safe operation of locomotive;But locomotive in prior art
Emergency brake device, majority is to carry out emergency brake to locomotive by the way of mechanical, hand-driven or air emergency brake, works as chance
To in the case of urgent, and this employing mechanical, hand-driven or air emergency brake mode, the presence main to locomotive emergency brake
Brake system structure is single, and reliability, stability are poor, danger coefficient higher it is impossible to the having of braking that locomotive meet an urgent need is effectively ensured
Effect property;But it is poor to cause by the way of mechanical, hand-driven, locomotive emergency brake to be existed reliability, stability, danger coefficient
Main cause is:Mechanical, hand-driven or the emergent system processed of air do not have reliable pneumatic control device it is impossible to ensure timely, reliable filling
The emergency brake power of foot;Inventor have developed a kind of air control for locomotive emergency brake based on defect of the prior art
Device processed, can solve the problem that problems of the prior art.
Content of the invention
The present invention, in order to solve above-mentioned technical problem, provides a kind of pneumatic control device for locomotive emergency brake, its
Design structure is simple, scientific and reasonable, easy to use.On the basis of the former brakes of locomotive, increase a set of emergency brake device,
And by the pneumatic control device in the technical program, to the emergency brake device of locomotive, provide reliability height, good stability,
The high emergency brake power of safety coefficient.
The technical solution adopted in the present invention is:A kind of pneumatic control device for locomotive emergency brake, including total wind
Cylinder, cutout cock, pressure regulator valve, overflow air relief valve, electromagnetic valve, shuttle valve;Part in this pneumatic control device connects in order
Connect, one end of cutout cock is connected with total reservoir;It is provided with pressure regulator valve, pressure regulator valve passes through wind with cutout cock after cutout cock
Pipe connects, and is provided with overflow air relief valve, is provided with electromagnetic valve after overflow air relief valve after pressure regulator valve, arranges after electromagnetic valve
There is shuttle valve, connected by airduct between pressure regulator valve, overflow air relief valve, electromagnetic valve and shuttle valve;Locomotive brake gear passes through wind with shuttle valve
Pipe connects, and checking cylinder is connected with the air vent of shuttle valve;Shuttle valve is provided with two air inlets, and an air inlet of shuttle valve passes through pipeline
It is connected with locomotive brake gear, another air inlet of shuttle valve is connected with electromagnetic valve.
Described electromagnetic valve is two-position three way normal-closed electromagnetic valve.
When described electromagnetic valve is located at closed mode, pipeline and atmosphere that shuttle valve and electromagnetic valve connect.
When the described air damper when locomotive itself lost efficacy, open electromagnetic valve, connect gas circuit, empty from the compression of total reservoir
Gas flows to pressure regulator valve through cutout cock, and through overflow air relief valve, the air vent of electromagnetic valve and shuttle valve is connected with checking cylinder.
The use process of this pneumatic control device for locomotive emergency brake is:First, when locomotive air damping itself
During machine normal work, the pneumatic control device of emergency brake device is in off working state, and shuttle valve spool is in locomotive brake gear
With checking cylinder connection position, electromagnetic valve is located at closed mode, the pipeline that shuttle valve is connected with electromagnetic valve through electromagnetic valve and atmosphere, separately
One air inlet is connected with locomotive brake gear by shuttle valve, and compressed air flows to checking cylinder through locomotive air damper itself, plays
Braking action.2nd, when locomotive air damper itself lost efficacy, open electromagnetic valve, connect gas circuit, the compressed air warp of total reservoir
Cutout cock flows to pressure regulator valve, and after pressure regulation, pressure reduces, and the compressed air after pressure regulator valve decompression flows to overflow air relief valve,
Further by compressed air pressure-reduced and-regulated, electromagnetic valve is in working position and compressed air is sent to shuttle valve, by the pressure of compressed air
Power acts on, and shuttle valve spool is in this device and checking cylinder connection position, to prevent air blow back to locomotive air damper itself, and
Make compressed air flow to checking cylinder, finally play braking action.
Described be provided with cutout cock after total reservoir, cutout cock is connected with total reservoir;The main mesh so arranging
Be in order to by the setting of cutout cock, for controlling this brake unit, cutout cock is in normally open, works as emergency brake
When device need to overhaul, cutout cock is closed, block the compressed air from total reservoir, each part is overhauled or changes.
It is provided with pressure regulator valve, pressure regulator valve is connected by pipeline with cutout cock, in pressure regulator valve after described cutout cock
It is provided with overflow air relief valve afterwards, after overflow air relief valve, be provided with electromagnetic valve;The main purpose of so setting is for a side
Face uses pressure regulator valve by the reduced pressure of the compressed air from total reservoir, on the other hand passes through setting overflow air relief valve and stably presses
The pressure of contracting air and flow velocity, ensure that the stability of air pressure, provide reliable and stable air damping power.
The disposed behind of described overflow air relief valve has an electromagnetic valve, and the main purpose of so setting is in order at by electromagnetic valve
In different working conditions, to determine whether this device plays braking action.
It is provided with shuttle valve, electromagnetic valve is connected with the air inlet of shuttle valve, and the another one of shuttle valve is entered after described electromagnetic valve
QI KOU is connected with locomotive brake gear, and the air vent of shuttle valve is connected with checking cylinder;No matter the main purpose of so setting is braking
Device is in the braking operation state of locomotive itself, is in air emergency brake state, can ensure the braking of locomotive
The normal work of system, the effect played is to ensure that motorcycle safety is reliably braked.
When the described air damper when locomotive itself lost efficacy, open electromagnetic valve, connect gas circuit, the compressed air of total reservoir
Flow to pressure regulator valve through cutout cock;The main purpose of so setting is by pressure regulator valve, and after pressure regulation, pressure reduces, through pressure regulation
Compressed air after valve decompression flows to overflow air relief valve, and further by compressed air pressure-reduced and-regulated, electromagnetic valve is in working position will
Compressed air is sent to shuttle valve, and valve element is pushed into this device and checking cylinder connection position by compressed air, simultaneously closes off locomotive brake pusher side
Pipeline, to prevent air blow back to the air damper of locomotive itself.
The described this pneumatic control device for locomotive emergency brake, the combination of all parts, being capable of organic reasonable control
The stability of the pressure of air processed and reliability;The effect that the combination of all parts is played is the flow velocity controlling air pressure,
Ensure air-pressure stable reliability, continual and steady air force is provided.
Beneficial effects of the present invention:The technical program provides a kind of pneumatic control device for locomotive emergency brake, its
Design structure is simple, scientific and reasonable, easy to use;Can solve the problem that and be not provided that timely, reliable sufficient emergency brake power, from
And aerodynamic reliability, stability are improve by pneumatic control device, improve the safety of emergent Pneumatic brake systems
Coefficient.
Brief description
Fig. 1 is the structural representation of the present invention;
In figure labelling:1st, total reservoir, 2, cutout cock, 3, pressure regulator valve, 4, overflow air relief valve, 5, electromagnetic valve, 6, shuttle valve, 7, locomotive
Brake, 8, checking cylinder.
Specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As illustrated, a kind of pneumatic control device for locomotive emergency brake, including total reservoir 1, cutout cock 2, adjust
Pressure valve 3, overflow air relief valve 4, electromagnetic valve 5, shuttle valve 6;Part in this pneumatic control device connects in order, cutout cock
2 one end is connected with total reservoir 1;It is provided with pressure regulator valve 3, pressure regulator valve 3 is with cutout cock 2 by airduct even after cutout cock 2
Connect, be provided with overflow air relief valve 4 after pressure regulator valve 3, be provided with electromagnetic valve 5 after overflow air relief valve 4, set after electromagnetic valve 5
It is equipped with shuttle valve 6, connected by airduct between pressure regulator valve 3, overflow air relief valve 4, electromagnetic valve 5 and shuttle valve 6;Locomotive brake gear 7 and shuttle
Valve 6 is connected by airduct, and checking cylinder 8 is connected with the air vent of shuttle valve 6;Shuttle valve 6 is provided with two air inlets, one of shuttle valve 6
Air inlet is connected with locomotive brake gear 7 by pipeline, and another air inlet of shuttle valve 6 is connected with electromagnetic valve 5.
Described electromagnetic valve 5 is two-position three way normal-closed electromagnetic valve 5.
When described electromagnetic valve 5 is located at closed mode, pipeline and atmosphere that shuttle valve 6 and electromagnetic valve 5 connect.
When the described air damper when locomotive itself lost efficacy, open electromagnetic valve 5, connect gas circuit, from the compression of total reservoir 1
Air flows to pressure regulator valve 3 through cutout cock 2, and through overflow air relief valve 4, the air vent of electromagnetic valve 5 and shuttle valve 6 and checking cylinder 8
Connect.
The use process of this pneumatic control device for locomotive emergency brake is:First, when locomotive air damping itself
During machine normal work, the pneumatic control device of emergency brake device is in off working state, and shuttle valve 6 valve element is in locomotive brake gear
7 are located at closed mode with checking cylinder 8 connection position, electromagnetic valve 5, and the pipeline that shuttle valve 6 is connected with electromagnetic valve 5 is through electromagnetic valve 5 and air
Connection, another air inlet is connected with locomotive brake gear 7 by shuttle valve 6, and compressed air flows to system through locomotive air damper itself
Dynamic cylinder 8, plays braking action.2nd, when locomotive air damper itself lost efficacy, open electromagnetic valve 5, connect gas circuit, total reservoir 1
Compressed air flow to pressure regulator valve 3 through cutout cock 2, after pressure regulation, pressure reduce, through pressure regulator valve 3 decompression after compressed air
Flow to overflow air relief valve 4, further by compressed air pressure-reduced and-regulated, electromagnetic valve 5 is in working position and compressed air is sent to shuttle valve
6, by the pressure effect of compressed air, shuttle valve 6 valve element is in this device and checking cylinder 8 connection position, to prevent air blow back extremely
Locomotive air damper itself, and make compressed air flow to checking cylinder 8, finally play braking action.
Embodiment 1:
When locomotive air damper itself lost efficacy, open electromagnetic valve 5, connect gas circuit, the compressed air of total reservoir 1 is through blocking plug
Door 2 flows to pressure regulator valve 3, and after pressure regulation, pressure reduces, and the compressed air after pressure regulator valve 3 decompression flows to overflow air relief valve 4, enters
Compressed air pressure-reduced and-regulated, electromagnetic valve 5 are in working position and compressed air are sent to shuttle valve 6 by one step, and compressed air is by shuttle valve 6
Valve element is pushed into this device and checking cylinder 8 connection position, simultaneously closes off the pipeline of locomotive brake pusher side, to prevent air blow back to locomotive
Air damper itself, and make compressed air flow to checking cylinder 8, finally play braking action.
Embodiment 2:Total reservoir 1 is arranged on the bottom on right side, the top of total reservoir 1 is provided with cutout cock 2, blocks plug
The top of door 2 is provided with pressure regulator valve 3, and pressure regulator valve 3 is connected by airduct with cutout cock 2, in the position of the left upper portion of pressure regulator valve 3
Install and be equipped with overflow air relief valve 4, the left lower of overflow air relief valve 4 is provided with electromagnetic valve 5, the left lower setting of electromagnetic valve 5
There is shuttle valve 6, connected by airduct between pressure regulator valve 3, overflow air relief valve 4, electromagnetic valve 5 and shuttle valve 6;Centre in shuttle valve 6 left side
Position is provided with locomotive brake gear 7, and the left lower of shuttle valve 6 is provided with checking cylinder 8, locomotive brake gear 7 and checking cylinder 8 and shuttle valve
6 are fixedly connected.
Claims (4)
1. a kind of pneumatic control device for locomotive emergency brake, including total reservoir, cutout cock, pressure regulator valve, overflow decompression
Valve, electromagnetic valve, shuttle valve;Part in this pneumatic control device connects in order, and one end of cutout cock is with total reservoir even
Connect;It is characterized in that:It is provided with pressure regulator valve, pressure regulator valve is connected by airduct with cutout cock, in pressure regulator valve after cutout cock
It is provided with overflow air relief valve afterwards, after overflow air relief valve, is provided with electromagnetic valve, after electromagnetic valve, be provided with shuttle valve, pressure regulator valve,
Connected by airduct between overflow air relief valve, electromagnetic valve and shuttle valve;Locomotive brake gear is connected by airduct with shuttle valve, checking cylinder with
The air vent of shuttle valve connects;Shuttle valve is provided with two air inlets, and an air inlet of shuttle valve passes through pipeline with locomotive brake gear even
Connect, another air inlet of shuttle valve is connected with electromagnetic valve.
2. a kind of pneumatic control device for locomotive emergency brake according to claim 1 it is characterised in that:Electromagnetic valve
For two-position three way normal-closed electromagnetic valve.
3. a kind of pneumatic control device for locomotive emergency brake according to claim 1 it is characterised in that:Electromagnetic valve
Positioned at closed mode when, pipeline and atmosphere that shuttle valve and electromagnetic valve connect.
4. a kind of pneumatic control device for locomotive emergency brake according to claim 1 it is characterised in that:Work as locomotive
When the air damper of itself lost efficacy, open electromagnetic valve, connect gas circuit, flow to through cutout cock from the compressed air of total reservoir and adjust
Pressure valve, and through overflow air relief valve, the air vent of electromagnetic valve and shuttle valve is connected with checking cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611062159.1A CN106394531A (en) | 2016-11-28 | 2016-11-28 | Air control device used for vehicle emergency braking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611062159.1A CN106394531A (en) | 2016-11-28 | 2016-11-28 | Air control device used for vehicle emergency braking |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106394531A true CN106394531A (en) | 2017-02-15 |
Family
ID=58083163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611062159.1A Pending CN106394531A (en) | 2016-11-28 | 2016-11-28 | Air control device used for vehicle emergency braking |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106394531A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107826096A (en) * | 2017-11-30 | 2018-03-23 | 长沙智能驾驶研究院有限公司 | Vehicle and its braking control system |
CN108238062A (en) * | 2018-02-08 | 2018-07-03 | 中车洛阳机车有限公司 | The anti-overlapping system of railway vehicle brake and method |
CN108944990A (en) * | 2018-08-10 | 2018-12-07 | 中车洛阳机车有限公司 | A kind of parking braking control module for railway engineering vehicle |
CN115158264A (en) * | 2022-06-28 | 2022-10-11 | 眉山中车制动科技股份有限公司 | Train braking system, braking method and train set |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1729858A1 (en) * | 1990-06-27 | 1992-04-30 | Московский Завод Машин И Приборов Для Железнодорожного Транспорта Производственного Объединения "Трансмаш" | Railway vehicle electric and pneumatic brake |
CN201300835Y (en) * | 2008-09-22 | 2009-09-02 | 厦门厦工小型机械有限公司 | Pneumatic control device of arrester |
CN101973263A (en) * | 2010-11-05 | 2011-02-16 | 湘潭电气设备制造有限责任公司 | Anti-leakage two-way air braking system for variable-frequency speed-regulating industrial and mineral electric locomotive |
CN205059569U (en) * | 2015-09-28 | 2016-03-02 | 中车资阳机车有限公司 | Locomotive is with brakeing wireless remote controller alone |
CN105383473A (en) * | 2015-12-14 | 2016-03-09 | 中国铁道科学研究院 | Air brake valve for locomotive |
CN105480254A (en) * | 2016-01-13 | 2016-04-13 | 中车洛阳机车有限公司 | Modularized parking braking device for railway vehicle |
CN206202279U (en) * | 2016-11-28 | 2017-05-31 | 中车洛阳机车有限公司 | A kind of pneumatic control device for locomotive emergency brake |
-
2016
- 2016-11-28 CN CN201611062159.1A patent/CN106394531A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1729858A1 (en) * | 1990-06-27 | 1992-04-30 | Московский Завод Машин И Приборов Для Железнодорожного Транспорта Производственного Объединения "Трансмаш" | Railway vehicle electric and pneumatic brake |
CN201300835Y (en) * | 2008-09-22 | 2009-09-02 | 厦门厦工小型机械有限公司 | Pneumatic control device of arrester |
CN101973263A (en) * | 2010-11-05 | 2011-02-16 | 湘潭电气设备制造有限责任公司 | Anti-leakage two-way air braking system for variable-frequency speed-regulating industrial and mineral electric locomotive |
CN205059569U (en) * | 2015-09-28 | 2016-03-02 | 中车资阳机车有限公司 | Locomotive is with brakeing wireless remote controller alone |
CN105383473A (en) * | 2015-12-14 | 2016-03-09 | 中国铁道科学研究院 | Air brake valve for locomotive |
CN105480254A (en) * | 2016-01-13 | 2016-04-13 | 中车洛阳机车有限公司 | Modularized parking braking device for railway vehicle |
CN206202279U (en) * | 2016-11-28 | 2017-05-31 | 中车洛阳机车有限公司 | A kind of pneumatic control device for locomotive emergency brake |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107826096A (en) * | 2017-11-30 | 2018-03-23 | 长沙智能驾驶研究院有限公司 | Vehicle and its braking control system |
CN108238062A (en) * | 2018-02-08 | 2018-07-03 | 中车洛阳机车有限公司 | The anti-overlapping system of railway vehicle brake and method |
CN108944990A (en) * | 2018-08-10 | 2018-12-07 | 中车洛阳机车有限公司 | A kind of parking braking control module for railway engineering vehicle |
CN115158264A (en) * | 2022-06-28 | 2022-10-11 | 眉山中车制动科技股份有限公司 | Train braking system, braking method and train set |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201761483U (en) | Brake system for railroad locomotive | |
EP3636504B1 (en) | A system for controlling backup air brake for a locomotive | |
CN106394531A (en) | Air control device used for vehicle emergency braking | |
CN102963347B (en) | Air brake system for automatic program management (APM) vehicle | |
CN109263681A (en) | A kind of electro-pneumatic brake | |
CN106740785B (en) | A kind of locomotive, brake-cylinder pressure control system and method | |
CA2681113C (en) | Compressed air supply system for a utility vehicle and method for operating said compressed air supply system | |
CN105298744B (en) | A kind of wind-driven generator brake hydraulic system and wind-driven generator | |
CN101767583A (en) | Pressure control device for equalizing reservoir of motor vehicle | |
CN103434504A (en) | Air stand-by brake system and brake method | |
CN206086704U (en) | Based on how redundant train pipeline pressure controlling means of locomotive brake system | |
CN109318928A (en) | A kind of train braking cylinder control pressurer system and track train | |
CN107472291A (en) | Without fiery loopback module, locomotive air brake control and control system | |
CN201573638U (en) | Pressure controlling device for locomotive equalizing reservoir | |
CN108657218A (en) | A kind of auxiliary braking control device and method for magnetic-levitation train | |
CN204095829U (en) | A kind of track laying machine Pneumatic brake systems | |
CN107763435A (en) | A kind of feeding pneumatic and method of the remote control on-line redundance for ensureing multiple operated pneumatic valves | |
CN205149845U (en) | Machine vehicle air brake valve | |
CN103223953B (en) | A kind of Train hook breakage protective system | |
CN103661481B (en) | Single shaft braking antiskid control system | |
CN208665203U (en) | A kind of parking braking control module for railway engineering vehicle | |
CN113060177B (en) | Locomotive brake cylinder control system and control method | |
CN206202279U (en) | A kind of pneumatic control device for locomotive emergency brake | |
CN109080659A (en) | The automobile-used parking brake control device of track | |
CN103370242B (en) | For the multiloop easing valve of vehicle compressed air feedway and the method for running multiloop easing valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |