CN106427954A - Automatic braking control device - Google Patents
Automatic braking control device Download PDFInfo
- Publication number
- CN106427954A CN106427954A CN201611063972.0A CN201611063972A CN106427954A CN 106427954 A CN106427954 A CN 106427954A CN 201611063972 A CN201611063972 A CN 201611063972A CN 106427954 A CN106427954 A CN 106427954A
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- CN
- China
- Prior art keywords
- valve
- mouth
- control
- control valve
- automatic braking
- 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.)
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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
- B60T7/128—Self-acting brakes of different types for railway vehicles
-
- 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 an automatic braking control device, which comprises a pressure-reducing valve, an operating valve, an equalizing air cylinder, a first control valve and a second control valve, wherein the pressure-reducing valve and the operating valve are connected with total air through dust filters; the outlet of the pressure-reducing valve is communicated with a port A corresponding to the relieving position of the first control valve; a port C corresponding to the braking position of the first control valve is communicated with the atmosphere; a port B of the pressure-maintaining position of the first control valve is communicated with the equalizing air cylinder; a pre-control port of the operating valve is communicated with the equalizing air cylinder; an output port of the operating valve is communicated with a port A of the main control position of the second control valve; a port B of the secondary control position of the second control valve is communicated with a train pipe through a dust filtering device; and a port C of the emergency braking position of the second control valve is communicated with the atmosphere. The common braking of a vehicle can be controlled in the normal operation process of the vehicle, the emergency braking of the vehicle can be realized when the vehicle meets the emergency condition, and the vehicle controller can be in failure when the vehicle needs to be hung and operated by other trains, so that the influence of the vehicle controller on the normal operation of the train is avoided.
Description
Technical field
The invention belongs to rolling stock technical field, particularly to a kind of automatic braking control device.
Background technology
Brake unit on existing rolling stock generally only has service braking function, when vehicle in case of emergency,
During as train pipe disconnection or air damping defective valve, vehicle is realized by the emergency brake needing to be separately provided and promptly makes
Dynamic, cause the operation inconvenience of operator；And when this car needs even to be hung by other trains and runs, need temporarily to make the control of this car
Device processed lost efficacy, it is to avoid this vehicle controller impact train normally runs.Additionally, be used on existing rolling stock controlling vehicle inflatable,
The valve body structure of pressurize and aerofluxuss is complex, and operation stability is not high, and after a long time use, valve body inner gateway easily occurs
Gas leakage problem, and in different control bit handoff procedures, the phenomenon collaborated, the stable fortune of impact vehicle easily occur
OK.
Content of the invention
It is an object of the invention to：For above-mentioned problem, one kind is provided to be capable of vehicle service braking function
On the basis of moreover it is possible to realizing emergency brake of vehicle and even hanging the automatic braking control device running.
The technical scheme is that and be achieved in that：A kind of automatic braking control device it is characterised in that：Including decompression
Valve, application valve, equalizing reservoir, the first control valve and the second control valve, the import of described air relief valve and the input of application valve
Mouth is connected with total wind by the dirt catcher with check valve respectively, and the outlet of described air relief valve is corresponding with the first control valve alleviation position
A mouth connects, the corresponding C mouth of described first control valve retarder location and atmosphere, the B mouth of described first control valve pressurize position with all
Weighing apparatus reservoir connection, the pre-control mouth of described application valve connected with equalizing reservoir, the delivery outlet of described application valve and the second control valve master
The A mouth connection of control position, the B mouth from control position for described second control valve is connected with train pipe by dust filtration device, described second control
The C mouth of valve emergency position and atmosphere.
Automatic braking control device of the present invention, its when described brake control is service braking, described the
Two control valves are placed in master control position, and when the first control valve is placed in retarder location, the C mouth of described equalizing reservoir and the first control valve is even
Logical, described application valve commutates to retarder location, and train pipe reduces pressure；When the first control valve is placed in pressurize position, each gas circuit is all not communicated with,
Vehicle pressurize；When the first control valve is placed in alleviation position, described equalizing reservoir is connected with the A mouth of the first control valve, simultaneously total wind
Connected with train pipe by application valve；
When described brake control be brake hard when, described second control valve is placed in emergency position, described train pipe with
The C mouth connection of the second control valve；
When described brake control is even to hang to run, described second control valve is placed in from control position, and described train pipe path is cut
Disconnected, this car brake control lost efficacy.
Automatic braking control device of the present invention, its described first control valve is identical with the structure of the second control valve,
Described first control valve includes valve body, is provided with upper, middle and lower chamber in described valve body, is provided with respectively on described valve body
A, B, C mouth of connection corresponding with upper, middle and lower chamber, is respectively arranged with sealing shroud in described upper chamber and bottom chamber, described close
Big envelope is pressed at corresponding valve port in the presence of main spring, is provided with thimble on described sealing shroud, in described middle chamber
Inside be provided with rotary shaft, described rotary shaft be provided with lobe, by rotary motion axle, make lobe in rotary shaft with
Corresponding thimble coordinates and overcomes the active force of main spring to back down the sealing shroud at valve port, makes B mouth corresponding with A mouth or C mouth even
Logical, when B mouth is connected with A mouth, C mouth is closed, and when B mouth is connected with C mouth, A mouth is closed, and works as rotary shaft
When not rotating, A, B, C mouth does not all connect.
Automatic braking control device of the present invention, it is respectively arranged with valve gap at described valve body two ends, described valve gap
Corresponding main spring is fitted in upper chamber and bottom chamber respectively, makes the sealing shroud of upper and lower within the chamber be pressed on correspondence respectively
At valve port.
Automatic braking control device of the present invention, it is embedded with seal gasket in the seal face of described sealing shroud,
Corresponding matching sealing at described seal gasket and valve port step.
Automatic braking control device of the present invention, it is provided with radially raised supporting part on described thimble,
Described supporting part periphery is fitted with the inwall of middle chamber in valve body, is provided with the through hole of supplied gas circulation on described supporting part.
Automatic braking control device of the present invention, one end of its described rotary shaft is passed and fixed with handle by valve body
Connect.
Automatic braking control device of the present invention, it arranges restraining position ring block in the other end of described rotary shaft, in institute
State and be respectively arranged with spacing ring and control valve inflation position, pressurize position and aerofluxuss position corresponding inflation position detent, pressurize position
Detent and aerofluxuss position detent, are provided with the detent mechanism with spacing ring corresponding matching on described valve body, pass through
Groove structure on described spacing ring and the cooperation of detent mechanism, make described rotary shaft stable in corresponding control bit.
Automatic braking control device of the present invention, its described detent mechanism includes steel ball, limit shaft and spacing bullet
Spring, described steel ball is arranged on spacing shaft end and is placed in corresponding groove on spacing ring, and described limit spring passes through screw pressure
Tightly in the other end of limit shaft, when described handle is in plumbness, described steel ball is placed in the detent of pressurize position, described
Control valve is in pressurize position.
Automatic braking control device of the present invention, on its described spacing ring, the correspondence portion of pressurize position detent two ends
Divide in the ramp structure tilting to pressurize position detent, when described spacing ring turns to this ramp structure and steel ball correspondence position
When, described handle capable of being resets to plumbness naturally, i.e. the pressurize position of control valve.
The present invention, in vehicle normal course of operation, can control this excitement of vehicle brake, pressurize and alleviation, work as vehicle
In case of emergency, it is capable of the brake hard of this vehicle, when this car needs even to be hung by other trains and runs, can be made this
Vehicle controller lost efficacy, to prevent this vehicle controller impact train from normally running.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is volume top view of the present invention.
Fig. 3 is the fundamental diagram of the present invention.
Fig. 4 is the structural representation of control valve in the present invention.
Fig. 5 is A-A sectional view in Fig. 4.
Fig. 6 is the active position schematic diagram of control valve in the present invention.
In figure labelling：1 is air relief valve, and 2 is application valve, and 3 is equalizing reservoir, and 4 is the first control valve, and 5 is the second control valve,
6 is dirt catcher, and 7 is dust filtration device, and 8 is valve body, and 9 is sealing shroud, and 10 is thimble, and 10a is supporting part, and 11 is rotary shaft, and 11a is
Lobe, 12 is valve gap, and 13 is seal gasket, and 14 is handle, and 15 is spacing ring, and 16a is inflation position detent, and 16b is to protect
Pressure position detent, 16c is aerofluxuss position detent, and 17 is steel ball, and 18 is limit shaft, and 19 is limit spring, and 20 is screw, 21
For main spring.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1,2 and 3, a kind of automatic braking control device, including air relief valve 1, application valve 2, equalizing reservoir 3,
One control valve 4 and the second control valve 5, the import of described air relief valve 1 and the input port of application valve 2 are passed through to carry check valve respectively
Dirt catcher 6 be connected with total wind, the outlet of described air relief valve 1 and the first control valve 4 alleviate position corresponding A mouth connection, described the
One control valve 4 retarder location corresponding C mouth and atmosphere, the B mouth of described first control valve 4 pressurize position is connected with equalizing reservoir 3,
The pre-control mouth of described application valve 2 is connected with equalizing reservoir 3, the A of the delivery outlet of described application valve 2 and the second control valve 5 master control position
Mouth connection, the B mouth from control position for described second control valve 5 is connected with train pipe by dust filtration device 7, and described second control valve 5 is tight
The C mouth of quick application position and atmosphere.External three interfaces of the present invention：Total wind, train pipe and equalizing reservoir pressure gauge, in train
All can normal work when pipe level pressure 500kPa or 600kPa.
When described brake control is service braking, air relief valve output pressure adjusts to level pressure (usual goods train
500kPa, passenger train 600kPa), described second control valve 5 is placed in master control position.Now, operate the handle of the first control valve 4 extremely
Respective action position, each vehicle brake braking of controllable train, pressurize and alleviation, specially：When the first control valve 4 is placed in braking
During position, described equalizing reservoir 3 is connected with the C mouth of the first control valve 4, and described application valve 2 commutates to retarder location, and train pipe reduces pressure；
When the first control valve 4 is placed in pressurize position, each gas circuit is all not communicated with, vehicle pressurize；When the first control valve 4 is placed in alleviation position,
Described equalizing reservoir 3 is connected with the A mouth of the first control valve 4, and total wind is connected with train pipe by application valve 2 simultaneously.
When described brake control is brake hard, described second control valve 5 is placed in emergency position, described train
Pipe is connected with the C mouth of the second control valve 5.
When described brake control is even to hang to run, described second control valve 5 is placed in from control position, described train Gutron
Road cuts off, and this car brake control lost efficacy.
As shown in Fig. 4,5 and 6, described first control valve 4 is identical with the structure of the second control valve 5, described first control valve 4
Including valve body 8, in described valve body 8, be provided with upper, middle and lower chamber, described valve body 8 is provided with respectively with upper, middle and lower chamber
A, B, C mouth of the corresponding connection in room, is respectively arranged with sealing shroud 9 in described upper chamber and bottom chamber, described sealing shroud 9 is in main bullet
It is pressed in the presence of spring 21 at corresponding valve port, be respectively arranged with valve gap 12 at described valve body 8 two ends, described valve gap 12 will be right
The main spring 21 answered is fitted in upper chamber and bottom chamber respectively, makes the sealing shroud 9 of upper and lower within the chamber be pressed on corresponding valve respectively
At mouthful, it is embedded with seal gasket 13 in the seal face of described sealing shroud 9, described seal gasket 13 is corresponding with valve port step to join
Close sealing, described sealing shroud 9 be provided with thimble 10, radially raised supporting part 10a is provided with described thimble 10,
Described supporting part 10a periphery is fitted with the inwall of middle chamber in valve body 8, is provided with supplied gas circulation on described supporting part 10a
Through hole, by supporting part can make thimble in moving process will not radial direction shake, described lumen interior setting
There is rotary shaft 11, one end of described rotary shaft 11 is passed and be fixedly connected with handle 14 by valve body 8, sets in described rotary shaft 11
It is equipped with lobe 11a, by rotary motion axle 11, so that lobe 11a in rotary shaft 11 is coordinated and overcome with corresponding thimble 10
The active force of main spring 21 and the sealing shroud 9 at valve port is backed down, make the connection corresponding with A mouth or C mouth of B mouth, when B mouth and A mouth even
When logical, C mouth is closed, and when B mouth is connected with C mouth, A mouth is closed, when rotary shaft does not rotate, A, B, C
Mouth does not all connect.Rotated by handle, drive connected rotary shaft rotation, back down the thimble on corresponding sealing shroud respectively,
To realize the break-make of corresponding gas circuit, make vehicle in inflation, the reliable and stable switching of pressurize and aerofluxuss position.
Wherein, the other end in described rotary shaft 11 arranges restraining position ring block 15, and the rotational angle of described rotary shaft passes through limit
Position ring is any limitation as, and is respectively arranged with and inflates position, pressurize position with control valve and aerofluxuss position is corresponding fills on described spacing ring 15
Gas position detent 16a, pressurize position detent 16b and aerofluxuss position detent 16c, described valve body 8 is provided with
The detent mechanism of spacing ring 15 corresponding matching, by the cooperation of the groove structure on described spacing ring 15 and detent mechanism, makes institute
State rotary shaft 11 to stablize in corresponding control bit, described detent mechanism includes steel ball 17, limit shaft 18 and limit spring 19, institute
State steel ball 17 and be arranged on limit shaft 18 end and be placed in corresponding groove on spacing ring 15, described limit spring 19 passes through screw
20 other ends being pressed on limit shaft 18, when described handle 14 is in plumbness, described steel ball 17 is placed in pressurize position positioning
In groove 16b, described control valve is in pressurize position, on described spacing ring 15, pressurize position detent 16b two ends corresponding part be in
The ramp structure tilting to pressurize position detent 16b, when described spacing ring 15, to turn to this ramp structure corresponding with steel ball 17
During position, described handle capable of being resets to plumbness naturally, i.e. the pressurize position of control valve.
The control valve of the present invention has three active positions：Inflation position, pressurize position and aerofluxuss position, when handle is placed in C mouth direction
When, A mouth and B mouth UNICOM；When handle is placed in B mouth (interposition), tri- mouthfuls of A, B, C is all obstructed；When handle is placed in A mouth direction,
B mouth and C mouth UNICOM.When handle is in the range of installed surface ± 30 ° when, handle capable of being resets to plumbness naturally, that is, protect
Pressure position.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of automatic braking control device it is characterised in that：Including air relief valve（1）, application valve（2）, equalizing reservoir（3）,
One control valve（4）And second control valve（5）, described air relief valve（1）Import and application valve（2）Input port pass through respectively
Dirt catcher with check valve（6）It is connected with total wind, described air relief valve（1）Outlet and the first control valve（4）Alleviate the corresponding A in position
Mouth connection, described first control valve（4）Retarder location corresponding C mouth and atmosphere, described first control valve（4）The B of pressurize position
Mouth and equalizing reservoir（3）Connection, described application valve（2）Pre-control mouth and equalizing reservoir（3）Connection, described application valve（2）Defeated
Outlet and the second control valve（5）The A mouth connection of master control position, described second control valve（5）Pass through dust filtration device from the B mouth of control position
（7）Connect with train pipe, described second control valve（5）The C mouth of emergency position and atmosphere.
2. automatic braking control device according to claim 1 it is characterised in that：When described brake control is conventional
During braking, described second control valve（5）It is placed in master control position, when the first control valve（4）When being placed in retarder location, described equalizing reservoir
（3）With the first control valve（4）C mouth connection, described application valve（2）Commutate to retarder location, train pipe reduces pressure；When the first control valve
（4）When being placed in pressurize position, each gas circuit is all not communicated with, vehicle pressurize；When the first control valve（4）When being placed in alleviation position, described equilibrium
Reservoir（3）With the first control valve（4）The connection of A mouth, simultaneously total wind pass through application valve（2）Connect with train pipe；
When described brake control is brake hard, described second control valve（5）It is placed in emergency position, described train pipe
With the second control valve（5）C mouth connection；
When described brake control is even to hang to run, described second control valve（5）It is placed in from control position, described train pipe path
Cut-out, this car brake control lost efficacy.
3. automatic braking control device according to claim 1 and 2 it is characterised in that：Described first control valve（4）With
Two control valves（5）Structure identical, described first control valve（4）Including valve body（8）, in described valve body（8）Inside be provided with,
In, lower chambers, in described valve body（8）On be provided with A, B, C mouth of connection corresponding with upper, middle and lower chamber respectively, in described epicoele
Room and bottom chamber are respectively arranged with sealing shroud（9）, described sealing shroud（9）In main spring（21）In the presence of be pressed on corresponding
At valve port, in described sealing shroud（9）On be provided with thimble（10）, described lumen interior is provided with rotary shaft（11）, described
Rotary shaft（11）On be provided with lobe（11a）, by rotary motion axle（11）, make rotary shaft（11）On lobe（11a）
With corresponding thimble（10）Coordinate and overcome main spring（21）Active force and by the sealing shroud at valve port（9）Back down, make B mouth and A
Mouth or the corresponding connection of C mouth, when B mouth is connected with A mouth, C mouth is closed, and when B mouth is connected with C mouth, A mouth is in closing
State, when rotary shaft does not rotate, A, B, C mouth does not all connect.
4. automatic braking control device according to claim 3 it is characterised in that：In described valve body（8）Two ends set respectively
It is equipped with valve gap（12）, described valve gap（12）By corresponding main spring（21）It is fitted in upper chamber and bottom chamber respectively, make upper and lower
The sealing shroud of within the chamber（9）It is pressed on respectively at corresponding valve port.
5. automatic braking control device according to claim 4 it is characterised in that：In described sealing shroud（9）Sealed end
Face is embedded with seal gasket（13）, described seal gasket（13）Seal with corresponding matching at valve port step.
6. automatic braking control device according to claim 3 it is characterised in that：In described thimble（10）On be provided with edge
The supporting part of radial protrusion（10a）, described supporting part（10a）Periphery and valve body（8）The inwall laminating of interior middle chamber, at described
Support part（10a）On be provided with supplied gas circulation through hole.
7. automatic braking control device according to claim 3 it is characterised in that：Described rotary shaft（11）One end by valve
Body（8）Pass and and handle（14）It is fixedly connected.
8. automatic braking control device according to claim 7 it is characterised in that：In described rotary shaft（11）The other end
Setting restraining position ring block（15）, in described spacing ring（15）On be respectively arranged with control valve inflation position, pressurize position and aerofluxuss position right
The inflation position detent answered（16a）, pressurize position detent（16b）And aerofluxuss position detent（16c）, in described valve body
（8）On be provided with and spacing ring（15）The detent mechanism of corresponding matching, by described spacing ring（15）On groove structure with fixed
The cooperation of position mechanism, makes described rotary shaft（11）Stablize in corresponding control bit.
9. automatic braking control device according to claim 8 it is characterised in that：Described detent mechanism includes steel ball
（17）, limit shaft（18）And limit spring（19）, described steel ball（17）It is arranged on limit shaft（18）End is placed in spacing ring
（15）In upper corresponding groove, described limit spring（19）By screw（20）It is pressed on limit shaft（18）Other end, when
Described handle（14）In plumbness, described steel ball（17）It is placed in pressurize position detent（16b）Interior, described control valve is in
Pressurize position.
10. automatic braking control device according to claim 9 it is characterised in that：Described spacing ring（15）Upper, pressurize position
Detent（16b）Two ends corresponding part is in pressurize position detent（16b）The ramp structure tilting, when described spacing ring
（15）Turn to this ramp structure and steel ball（17）During correspondence position, described handle capable of being resets to plumbness naturally, that is, control
The pressurize position of valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063972.0A CN106427954B (en) | 2016-11-28 | 2016-11-28 | Automatic braking control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063972.0A CN106427954B (en) | 2016-11-28 | 2016-11-28 | Automatic braking control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106427954A true CN106427954A (en) | 2017-02-22 |
| CN106427954B CN106427954B (en) | 2023-04-11 |
Family
ID=58218797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611063972.0A Active CN106427954B (en) | 2016-11-28 | 2016-11-28 | Automatic braking control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662622A (en) * | 2017-10-31 | 2018-02-06 | 眉山中车制动科技股份有限公司 | Road maintainance machinery materials vehicle brake |
| CN111775999A (en) * | 2020-07-14 | 2020-10-16 | 中车株洲电力机车有限公司 | Train pipe quantitative pressure reduction control system and method |
| CN114228774A (en) * | 2021-11-16 | 2022-03-25 | 山东智捷专用车制造有限公司 | Automatic braking control device |
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