CN106476775A - Locomotive air brakes and locomotive - Google Patents
Locomotive air brakes and locomotive Download PDFInfo
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- CN106476775A CN106476775A CN201611007687.7A CN201611007687A CN106476775A CN 106476775 A CN106476775 A CN 106476775A CN 201611007687 A CN201611007687 A CN 201611007687A CN 106476775 A CN106476775 A CN 106476775A
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- locomotive
- cavity
- train line
- air
- reversal valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- 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
- B60T13/40—Compressed-air systems indirect, i.e. compressed air booster units indirect systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The present invention provides a kind of locomotive air brakes and locomotive, the locomotive air brakes includes checking cylinder and control airduct, the cylinder body of checking cylinder is divided into the first cavity and the second cavity by the piston of checking cylinder, first cavity has the first duct collar connected with control airduct, also include train line and Pneumatic reversal valve, second cavity has the second duct collar, Pneumatic reversal valve has alleviates wind path and braking wind path, alleviate wind path to connect with train line and the first duct collar respectively, the wind for making train line enters to the first duct collar；Braking wind path is connected with train line and the second duct collar respectively, for making the wind in train line enter to the second duct collar；The first controlling switch is provided between first duct collar and control airduct, between train line and Pneumatic reversal valve, is provided with the second controlling switch.So that the Pneumatic brake systems are not only suitable for large-tonnage locomotive, it is also possible to suitable for little tonnage locomotive.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of locomotive air brakes and locomotive.
Background technology
At present at home in subway shield tunnel construction, the locomotive such as industrial car, mortar car, slag-soil truck is that important assistant conveyance sets
Standby, carry the transport of materials work in shield machine tunneling process.
Pneumatic brake systems on above-mentioned locomotive are generally single-acting cylinder Pneumatic brake systems, i.e. braked using single-acting
Cylinder is braked.Single-acting checking cylinder mainly includes piston and spring, piston by the cylinder body of checking cylinder be divided into the first cavity and
Second cavity, spring are located in the second cavity, and the first cavity has duct collar, and duct collar is connected with the control airduct of vehicle
Connect.Control airduct is used for checking cylinder air feed.In vehicle operation, control airduct to duct collar air feed, now piston
Be collapsible in checking cylinder under wind-force effect, locomotive is made in non-brake state, i.e. release of brake state.When braking is needed,
Control airduct stops to duct collar air feed, and now piston will be from the first chamber of checking cylinder under the impetus of Rear springs
Stretch out in vivo, so as to be braked to locomotive.
Above-mentioned mode of braking fully meets the safe handling of little tonnage locomotive, however, for large-tonnage locomotive, as which holds
The material tonnage such as dregs of load is larger, and the brake force needed in braking is bigger, and the air quantity needed during operation is bigger, and above-mentioned
Single-acting cylinder Pneumatic brake systems are less due to brake force, it is impossible to ensure the safe handling of large-tonnage locomotive.Therefore, one kind both may be used
Become inventor's emphasis of interest with the Pneumatic brake systems that go for large-tonnage locomotive suitable for little tonnage locomotive again.
Content of the invention
The present invention provides a kind of locomotive air brakes and locomotive, cannot with the Pneumatic brake systems that overcome prior art
Ensure the defect that large-tonnage motorcycle safety is used.
In a first aspect, a kind of locomotive air brakes that the present invention is provided, connects including checking cylinder and with air compressor machine
Control airduct, the checking cylinder includes piston, and the cylinder body of the checking cylinder is divided into the first cavity and second by the piston
Cavity, first cavity have and control first duct collar that connects of airduct, and the piston can be from described first
It is pressed in first cavity under the wind action that duct collar is entered, or stretches under the pressure effect of second cavity
Go out to outside first cavity,
Also include the train line connected with the air compressor machine and the Pneumatic reversal valve connected with the train line；Described
Second cavity has the second duct collar；The control airduct is also connected with the Pneumatic reversal valve, the Pneumatic reversal valve tool
There are alleviation wind path and braking wind path, when the control airduct is to the Pneumatic reversal valve air feed, the two ends of the alleviation wind path are divided
Do not turn on the train line and first duct collar, for making the wind in the train line enter to described first
Duct collar, and the piston is pressed in first cavity；The control airduct stops to the Pneumatic reversal valve air feed
When, the two ends of the braking wind path are turned on the train line and second duct collar respectively, for making the train
Wind in airduct enters to second duct collar, and the piston is pushed out to outside first cavity；
The first controlling switch, the train line and institute is additionally provided between first duct collar and the control airduct
State between Pneumatic reversal valve and be additionally provided with the second controlling switch.
Locomotive air brakes as above, is additionally provided with wind between the train line and the Pneumatic reversal valve
Cylinder, the air inlet of the reservoir are connected with the train line, and the air outlet of the reservoir is connected with the Pneumatic reversal valve；
Second controlling switch is located between the air outlet of the reservoir and the Pneumatic reversal valve.
Locomotive air brakes as above, the Pneumatic reversal valve include the air intake connected with the control airduct
Mouthful, valve element and support return unit in described valve element one end, the other end of the valve element is oppositely arranged with the air inlet；
Described control airduct to the air inlet air feed when, the valve element wind-force effect under compress the return unit so that
The alleviation wind path is connected with the train line；When the control airduct stops to the air inlet air feed, the valve element exists
Reset in the presence of the return unit so that the braking wind path is connected with the train line.
Locomotive air brakes as above, also includes controller, and the controller is used for controlling the described first control
System switch or the opening and closing of second controlling switch.
Locomotive air brakes as above, the checking cylinder at least two, checking cylinder described at least two is simultaneously
Connection connection.
Locomotive air brakes as above, the checking cylinder is four, and four checking cylinders are connected in parallel.
Second aspect, the present invention provide a kind of locomotive, including car body and locomotive air brakes as above.
The locomotive air brakes of the present invention and locomotive, by arranging the control airduct for connecting respectively and row with air compressor machine
Car airduct, the Pneumatic reversal valve for connecting with control airduct and train line respectively, and the first cavity in checking cylinder arranges first
Duct collar, the second cavity arrange the second duct collar, and the alleviation wind path of Pneumatic reversal valve is connect with train line and the first airduct
Mouthful connection, the braking wind path of Pneumatic reversal valve connect with train line and the second duct collar respectively, while control airduct with
First controlling switch is set between the first duct collar, the second controlling switch is set between train line and Pneumatic reversal valve,
When the Pneumatic brake systems are used on little tonnage locomotive, as the brake force needed for little tonnage locomotive is less, first is controlled
Switch closure, the second controlling switch disconnect, and now control airduct is connected with the first duct collar, between train line and checking cylinder
Path blockade, to the first duct collar air feed, the air pressure in the first cavity increases control airduct, so that piston is made in wind-force
With under be located in the first cavity, make little tonnage locomotive in release of brake state, when braking is needed, make control airduct stop to
Checking cylinder air feed, as the first cavity internal gas pressure reduces, piston can be stretched out outside the first cavity under the effect of the pressure of the second cavity,
So as to realize braking.When the Pneumatic brake systems are used on large-tonnage locomotive, due to the brake force needed for large-tonnage locomotive relatively
Greatly, the first controlling switch is now disconnected, the second controlling switch is closed, control airduct makes alleviation wind path to Pneumatic reversal valve air feed
Connect with train line, the wind that train line is provided enters to the first duct collar through alleviating wind path, makes the first cavity internal gas pressure
Increase, piston wind-force effect under be located at the first cavity in so that large-tonnage locomotive be in release of brake state, when need system
When dynamic, control airduct is made to stop to Pneumatic reversal valve air feed, now the first cavity internal gas pressure reduction, piston can be in the second cavity
It extend out to outside the first cavity under pressure effect, braking is realized, now connect with train line due to braking wind path, train line is carried
For wind can enter in the second cavity from the second duct collar, to increase the thrust to piston further, so that large-tonnage
The brake force of locomotive increases, to meet requirement of the large-tonnage locomotive to brake force, so as to by the first controlling switch and the second control
Switching between system switch, the locomotive air brakes for providing the present invention can be both used on little tonnage locomotive, it is also possible to
On large-tonnage locomotive, using flexible and convenient.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are these
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
The structural representation of the locomotive air brakes that Fig. 1 is provided for one embodiment of the invention；
When the first controlling switch closure, the second control in the locomotive air brakes that Fig. 2 is provided for one embodiment of the invention
Catenation principle figure when system is switched off；
When the disconnection of the first controlling switch, the second control in the locomotive air brakes that Fig. 3 is provided for one embodiment of the invention
Catenation principle figure during system switch closure.
Description of reference numerals：
1st, control airduct；2nd, checking cylinder；
21st, piston；22nd, the first duct collar；
23rd, the second duct collar；3rd, train line；
4th, Pneumatic reversal valve；5th, the second controlling switch；
6th, the first controlling switch；7th, reservoir.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention is clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment one
The structural representation of the locomotive air brakes that Fig. 1 is provided for one embodiment of the invention.With reference to shown in Fig. 1, this
Embodiment provides a kind of locomotive air brakes, including：The control wind that checking cylinder 2 is connected with air compressor machine (not shown)
Pipe 1.Specifically, air compressor machine is connected with traction locomotive, and traction locomotive is used for powering to air compressor machine, is control by air compressor machine compressed air
Wind given by airduct processed 1.When implementing, control device (not shown) can be set between air compressor machine and control airduct 1,
Whether air compressor machine is controlled to control 1 air feed of airduct by control device.
Checking cylinder 2 includes cylinder body and the piston in cylinder body 21, and cylinder body is divided into the first cavity and second by piston 21
Cavity, the first cavity have the first duct collar 22, and the first duct collar 22 is connected with airduct 1 is controlled, and wherein, piston 21 can be
It is pressed in the first cavity under the wind action entered from the first duct collar 22, or stretches under the pressure effect of the second cavity
Go out to outside the first cavity.
In the present embodiment, the locomotive air brakes also includes：Train line 3 and Pneumatic reversal valve 4.Train line
3 are connected with air compressor machine, and Pneumatic reversal valve 4 is connected with train line 3, that is to say, that between train line 3 and control airduct 1 mutually
It is not connected to, one end of train line 3 is connected with air compressor machine, the other end of train line 3 is connected with Pneumatic reversal valve 4.Checking cylinder 2
The second cavity also have the second duct collar 23.Control airduct 1 is also connected with Pneumatic reversal valve 4.Pneumatic reversal valve 4 has slow
Solution wind path and braking wind path, control airduct 1 to 4 air feed of Pneumatic reversal valve when, alleviate wind path two ends respectively with train line 3 and
First duct collar 22 is turned on, for making the wind in train line 3 enter to the first duct collar when 1 air feed of airduct is controlled
22, and piston is pressed in the first cavity.When control airduct 1 stops to 4 air feed of Pneumatic reversal valve, the two ends difference of wind path is braked
Turn on train line 3 and the second duct collar 23, for entering the wind in train line 3 when controlling airduct 1 to stop air feed
Enter to the second duct collar 23, and piston 21 is pushed out to outside the first cavity.
The first controlling switch 6, train line 3 and gas control commutation is additionally provided between first duct collar 22 and control airduct 1
The second controlling switch 5 is additionally provided between valve 4.That is, when the first controlling switch 6 is closed and the second controlling switch 5 disconnects,
Pipeline between control airduct 1 and the first duct collar 22 is connected, and the pipeline between train line 3 and checking cylinder 2 disconnects.When
When first controlling switch 6 disconnects and the second controlling switch 5 is closed, the pipeline between airduct 1 and the first duct collar 22 is controlled to break
Open, and the pipeline between train line 3 and checking cylinder 2 is connected.Below by specific empty to the locomotive of the present invention using process
Air braking system is described in detail：
When the first controlling switch closure, the second control in the locomotive air brakes that Fig. 2 is provided for one embodiment of the invention
Catenation principle figure when system is switched off.This kind of situation is applied to the locomotive of little tonnage, when the locomotive air of the present embodiment is braked
When system is used on little tonnage locomotive, the first controlling switch 6 is closed, disconnect the second controlling switch 5.With reference to shown in Fig. 2, by inciting somebody to action
The Pneumatic brake systems are applied to be specifically described on little tonnage slag-soil truck：, to control 1 air feed of airduct, wind is along pipeline for air compressor machine
The first cavity of checking cylinder 2 is entered to from the first duct collar 22, and piston 21 is maintained in the first cavity under wind-force effect, from
And little tonnage slag-soil truck is made in release of brake state, that is to say, that during locomotive operation, control airduct 1 is always to the
One duct collar, 22 air feed.When braking is needed, control airduct 1 is made to stop air feed, now, due to entering the first chamber without wind
Body, the first cavity pressure release, piston 21 can be extend out to outside the first cavity, so as to locomotive under the thrust of the second cavity air pressure
It is braked.When implementing, spring can be set in the second cavity, when controlling airduct 1 to the first cavity air feed, living
Plug 21 is pressed in the first cavity under wind-force effect, and now spring is in compressive state.When controlling airduct 1 to stop air feed,
As the air pressure in the first cavity reduces, now spring is pushed out to piston 21 outside first cavity under its own resilient effect.By
Less in the brake force needed for little tonnage slag-soil truck, therefore, when the Pneumatic brake systems are applied on little tonnage slag-soil truck, no
The brake request of little tonnage slag-soil truck is met by the path that need to be connected between train line 3 and checking cylinder 2, saves energy consumption,
And it is very easy to use.
When the disconnection of the first controlling switch, the second control in the locomotive air brakes that Fig. 3 is provided for one embodiment of the invention
Catenation principle figure during system switch closure.This kind of situation is applied to large-tonnage locomotive.When the locomotive air that the present embodiment is provided
When brakes is used on large-tonnage locomotive, the first controlling switch 6 is disconnected, close the second controlling switch 5.Now, control airduct 1
The path connected with the first duct collar 22 is disconnected, the pipeline connection between train line 3 and checking cylinder 2.With reference to shown in Fig. 3,
Illustrate so that the Pneumatic brake systems are applied to large-tonnage slag-soil truck as an example：During locomotive operation, train line 3 is always
To 4 air feed of Pneumatic reversal valve.Meanwhile, air compressor machine to control 1 air feed of airduct, control airduct 1 to 4 air feed of Pneumatic reversal valve, now,
The wind path of alleviating of Pneumatic reversal valve 4 is turned under the wind-force effect of control airduct 1, i.e. the two of the alleviation wind path of Pneumatic reversal valve 4
End is connected with train line 3 and the first duct collar 22 respectively, and the wind in train line 3 is connect from the first airduct after wind path through alleviating
Mouth 22 flows into the first cavity, so that piston 21 is located in the first cavity under wind-force effect, makes locomotive in release of brake state.
When braking is needed, control airduct 1 stops, to 4 air feed of Pneumatic reversal valve, now, alleviating wind path and closing, braking wind path conducting, i.e.,
The two ends of braking wind path are connected with train line 3 and the second duct collar 23 respectively, and the wind that now train line 3 is provided can be passed through
After braking wind path, from the second cavity that the second duct collar 23 enters to checking cylinder 2, now the air pressure in the second cavity increases
Greatly, so as to push forward to piston 21 outside first cavity, so as to realize braking.When implementing, can set in the second cavity
Spring is put, when controlling airduct 1 to stop to 4 air feed of Pneumatic reversal valve, the air pressure in the first cavity reduces, and now piston can be in bullet
It extend out under the thrust of spring outside the first cavity, simultaneously as when control airduct 1 stops air feed, braking wind path and the second wind
Interface tube 23 is connected so that the wind in train line 3 is entered in the second cavity from the second duct collar 23 through braking wind path,
So that piston 21 is extend out to outside the first cavity in the presence of the thrust of the spring in the second cavity and wind-force simultaneously, with
Little tonnage locomotive only promotes the brake force produced by piston to compare by the air pressure of spring effect or the second cavity itself, carries significantly
The high brake force of large-tonnage locomotive, so that the braking of large-tonnage locomotive is more safe and reliable.
The locomotive air brakes that the present embodiment is provided, by arranging the control airduct for connecting respectively and row with air compressor machine
Car airduct, the Pneumatic reversal valve for connecting with control airduct and train line respectively, and the first cavity in checking cylinder arranges first
Duct collar, the second cavity arrange the second duct collar, by the alleviation wind path of Pneumatic reversal valve and train line and the first airduct
Orifice, the braking wind path of Pneumatic reversal valve is connected with train line and the second duct collar respectively, while in control wind
The first controlling switch is set between pipe and the first duct collar, the second control is set between train line and Pneumatic reversal valve and is opened
Close, when the Pneumatic brake systems are used on little tonnage locomotive, as the brake force needed for little tonnage locomotive is less, first is controlled
System switch closure, the second controlling switch disconnect, and now control airduct is connected with the first duct collar, train line and checking cylinder it
Between path blockade, to the first duct collar air feed, the air pressure in the first cavity increases control airduct, so that piston is in wind-force
Effect is lower to be located in the first cavity, makes little tonnage locomotive in release of brake state, when braking is needed, stops control airduct
To checking cylinder air feed, as the first cavity internal gas pressure reduces, piston can stretch out the first cavity under the effect of the pressure of the second cavity
Outward, so as to realize braking.When the Pneumatic brake systems are used on large-tonnage locomotive, due to the brake force needed for large-tonnage locomotive
Larger, the first controlling switch is now disconnected, the second controlling switch is closed, control airduct changes gas control to Pneumatic reversal valve air feed
Connect to the alleviation wind path of valve with train line, the wind that train line is provided enters to the first duct collar through alleviating wind path, makes
First cavity internal gas pressure increases, and piston is located in the first cavity under wind-force effect, so that large-tonnage locomotive is slow in braking
Solution state, when braking is needed, makes control airduct stop, to Pneumatic reversal valve air feed, now the first cavity internal gas pressure reduction, living
Plug can the second cavity pressure effect under extend out to outside the first cavity, realize braking, due to brake wind path now with train parting
Pipe is connected, and the wind that train line is provided can be entered in the second cavity from the second duct collar, to increase to piston further
Thrust, so that the brake force of large-tonnage locomotive increases, to meet requirement of the large-tonnage locomotive to brake force, so as to pass through first
Switching between controlling switch and the second controlling switch, the locomotive air brakes for providing the present invention can both be used in little ton
On the locomotive of position, it is also possible on large-tonnage locomotive, using flexible and convenient.
When implementing, Pneumatic reversal valve 4 specifically may include：The air inlet that connects with control airduct 1, valve element and support
The return unit of valve element one end is withstood on, the other end of valve element is oppositely arranged with air inlet.When controlling airduct 1 to air inlet air feed,
Valve element is compressed return unit under wind-force effect and is connected with train line 3 so as to alleviate wind path.When control airduct 1 stops to air inlet
During air feed, valve element can be resetted in the presence of return unit and be connected with train line 3 so as to brake wind path.With reference to shown in Fig. 1, gas control
Reversal valve 4 specifically includes P end, B end and A end, and for alleviating end, A end is dog point at B end, is formed when P end is connected with B end and alleviates
Wind path, forms braking wind path with A end when P end connects.
Due to large-tonnage locomotive, in braking, Air Quantity Required is larger, in order to ensure that air quantity enough can supply, further,
Reservoir 7 can also be set between train line 3 and Pneumatic reversal valve 4.The air inlet of reservoir 7 is connected with train line 3, reservoir
7 air outlet is connected with Pneumatic reversal valve 4.That is, air compressor machine directly to 7 air feed of reservoir, reservoir 7 to 4 air feed of Pneumatic reversal valve, and
Reservoir 7 plays caching wind action, to ensure timely enough supplies of air quantity.Second controlling switch 5 is specifically located at reservoir 7
Between air outlet and Pneumatic reversal valve 4.That is, when the second controlling switch 5 disconnects, reservoir 7 cannot be supplied to Pneumatic reversal valve 4
Wind, now, the pipeline between train line 3 and checking cylinder 2 is turned off.
Further, it is also possible to controller is arranged, opening for the first controlling switch 6 or the second controlling switch 5 is controlled by controller
Close so that the first controlling switch 6 and the second controlling switch 5 more easy to control.
More preferred, checking cylinder 2 at least two, at least two checking cylinders 2 are connected in parallel.With reference to Fig. 1 or Fig. 2 or figure
Shown in 3, the checking cylinder 2 in the present embodiment is four.Illustrate by taking slag-soil truck as an example, slag-soil truck is typically by two bogie groups
Become, on every bogie, have two checking cylinders 2, wherein one bogie is provided with a reservoir 7, i.e. have on every slag-soil truck
Four checking cylinders 2 and a reservoir 7, four checking cylinders 2 adopt parallel connection method.By four checking cylinders 2 while being braked, from
And the braking effect of locomotive is ensure that, improve security.
Embodiment two
The present embodiment provides a kind of locomotive, and the locomotive includes car body and the Pneumatic brake systems being arranged on car body.
The structure and principle of the locomotive air brakes that the Pneumatic brake systems in the present embodiment are provided with embodiment one
Identical, and identical technique effect can be reached, this is no longer going to repeat them.
Finally it should be noted that：Various embodiments above only in order to technical scheme to be described, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (7)
1. a kind of locomotive air brakes, the control airduct connected including checking cylinder and with air compressor machine, the checking cylinder bag
Include piston, the cylinder body of the checking cylinder is divided into the first cavity and the second cavity by the piston, first cavity have with
First duct collar of the control airduct connection, the piston can be under the wind action entered from first duct collar
It is pressed in first cavity, or extend out to outside first cavity under the pressure effect of second cavity, which is special
Levy and be,
Also include the train line connected with the air compressor machine and the Pneumatic reversal valve connected with the train line；Described second
Cavity has the second duct collar；The control airduct is also connected with the Pneumatic reversal valve, and the Pneumatic reversal valve has slow
Solution wind path and braking wind path, when the control airduct is to the Pneumatic reversal valve air feed, the two ends of the alleviation wind path respectively with
The train line and first duct collar conducting, for making the wind in the train line enter to first airduct
Interface, and the piston is pressed in first cavity；When the control airduct stops to the Pneumatic reversal valve air feed, institute
The two ends for stating braking wind path are turned on the train line and second duct collar respectively, for making in the train line
Wind enter to second duct collar, and the piston is pushed out to outside first cavity；
The first controlling switch, the train line and the gas is additionally provided between first duct collar and the control airduct
The second controlling switch is additionally provided between control reversal valve.
2. locomotive air brakes according to claim 1, it is characterised in that the train line is changed with the gas control
To reservoir is additionally provided between valve, the air inlet of the reservoir is connected with the train line, the air outlet of the reservoir with described
Pneumatic reversal valve is connected；
Second controlling switch is located between the air outlet of the reservoir and the Pneumatic reversal valve.
3. locomotive air brakes according to claim 1, it is characterised in that the Pneumatic reversal valve include with described
The air inlet of control airduct connection, valve element and return unit in described valve element one end is supported, the other end of the valve element and institute
State air inlet to be oppositely arranged；
When the control airduct is to the air inlet air feed, the valve element compresses the return unit so that described under wind-force effect
Alleviate wind path to connect with the train line；When the control airduct stops to the air inlet air feed, the valve element is described
Reset in the presence of return unit so that the braking wind path is connected with the train line.
4. locomotive air brakes according to claim 1, it is characterised in that also include controller, the controller
For controlling the opening and closing of first controlling switch or second controlling switch.
5. locomotive air brakes according to claim 1, it is characterised in that the checking cylinder at least two, extremely
Few two checking cylinders are connected in parallel.
6. locomotive air brakes according to claim 5, it is characterised in that the checking cylinder is four, four institutes
State checking cylinder to be connected in parallel.
7. a kind of locomotive, it is characterised in that the locomotive air braking system including car body and as described in any one of claim 1 to 6
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007687.7A CN106476775B (en) | 2016-11-16 | 2016-11-16 | Locomotive air brake system and locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007687.7A CN106476775B (en) | 2016-11-16 | 2016-11-16 | Locomotive air brake system and locomotive |
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| CN106476775A true CN106476775A (en) | 2017-03-08 |
| CN106476775B CN106476775B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611007687.7A Active CN106476775B (en) | 2016-11-16 | 2016-11-16 | Locomotive air brake system and locomotive |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472270A (en) * | 2017-09-22 | 2017-12-15 | 中车兰州机车有限公司 | A kind of transport vehicle |
| CN107650897A (en) * | 2017-10-30 | 2018-02-02 | 中车兰州机车有限公司 | The air brake and mining electric locomotive of mining electric locomotive |
| WO2018227915A1 (en) * | 2017-06-13 | 2018-12-20 | 中车株洲电力机车有限公司 | Locomotive and air control backup brake control system thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018227915A1 (en) * | 2017-06-13 | 2018-12-20 | 中车株洲电力机车有限公司 | Locomotive and air control backup brake control system thereof |
| CN107472270A (en) * | 2017-09-22 | 2017-12-15 | 中车兰州机车有限公司 | A kind of transport vehicle |
| CN107472270B (en) * | 2017-09-22 | 2023-10-31 | 中车兰州机车有限公司 | Transport vehicle |
| CN107650897A (en) * | 2017-10-30 | 2018-02-02 | 中车兰州机车有限公司 | The air brake and mining electric locomotive of mining electric locomotive |
| CN107650897B (en) * | 2017-10-30 | 2024-02-06 | 中车兰州机车有限公司 | Air brake device of mining electric locomotive and mining electric locomotive |
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