CN207496661U - A kind of rail vehicle and its alleviation equipment - Google Patents
A kind of rail vehicle and its alleviation equipment Download PDFInfo
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- CN207496661U CN207496661U CN201721529734.4U CN201721529734U CN207496661U CN 207496661 U CN207496661 U CN 207496661U CN 201721529734 U CN201721529734 U CN 201721529734U CN 207496661 U CN207496661 U CN 207496661U
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- pipeline
- relay valve
- vehicle
- alleviation
- pressure
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Abstract
The utility model discloses a kind of alleviation equipment of rail vehicle, including adjusting the relay valve of train tube pressure, the relaying valve inlet and blast main are connected to the first pipeline by the relay valve to train pipe pressurising, further include second pipeline in parallel with first pipeline, second pipeline diameter is more than first pipeline, is additionally provided with to control the control device of pressurising speed on second pipeline.The invention also discloses a kind of rail vehicles for including above-mentioned alleviation equipment.Second pipeline of alleviation equipment utilization provided by the utility model increases relaying valve inlet draught area, increases relay valve inlet air flow amount, realizes vehicle rapid recovery, simplifies alleviation device structure, and easy to operate and response is rapid, reduces the accident risk of vehicle.
Description
Technical field
The utility model is related to rail vehicle technical field, the alleviation equipment of more particularly to a kind of rail vehicle.This practicality
It is novel to further relate to a kind of rail vehicle for including above-mentioned alleviation equipment.
Background technology
The rail vehicles such as high ferro, subway have become the common vehicles of people's go off daily, the braking of rail vehicle
System is controlled by train pipe, and the braking of train pipe pressure release rear vehicle before vehicle restarting, needs to make its alleviation to train pipe pressurising
Afterwards, on-position could be released, the alleviation process of train pipe is for blast main by relay valve to train pipe pressurising.
In order to make vehicle Rapid reversal on-position, shorten down time, the alleviation equipment of rail vehicle needs to have fast
Fast mitigation capability has the function of that the alleviation device structure of rapid recovery is generally complex in the prior art, and has centainly
Accident risk.Therefore, how to simplify the structure for alleviating equipment, reduce accident risk, be those skilled in the art's skill anxious to be resolved
Art problem.
Utility model content
The purpose of this utility model is to provide a kind of alleviation equipment applied to rail vehicle, simple in structure, risk
It is low and convenient for safeguard.The another object of the utility model is to provide a kind of rail vehicle for including above-mentioned alleviation equipment.
In order to solve the above technical problems, the utility model provides a kind of alleviation equipment of rail vehicle, including adjusting
Save the relay valve of train tube pressure, connect the relaying valve inlet and blast main to by the relay valve to train pipe pressurising
The first pipeline, further include second pipeline in parallel with first pipeline, the diameter of second pipeline is more than described first
Pipeline, second pipeline are additionally provided with to control the control device of pressurising speed.
Preferably, the control device is two-position two-way solenoid valve；
When vehicle carries out rapid recovery, second pipeline is connected the two-position two-way solenoid valve；
When vehicle rapid recovery function is cancelled, the two-position two-way solenoid valve separates second pipeline.
Preferably, first pipeline is equipped with the shrinkage cavity the relay valve inlet pressure to be maintained to stablize.
Preferably, the relay valve is connected by equalizer line with the regulating device of the control pressure of relay valve；The relaying
Valve is also connected with the train pipe for controlling vehicle braking with alleviating；The relay valve is further connected with to be vented to reduce train
Pipe pressure and the exhaust outlet for realizing vehicle braking.
Preferably, it further includes to detect the test section of train tube pressure, is connected with the test section, when rapid recovery work(
Passing through the control unit that the control device separates second pipeline when can cancel.
Preferably, the test section is also connected with to show that train pipe has completed the display unit alleviated.
The utility model additionally provides a kind of rail vehicle, including alleviation equipment described in any one of the above embodiments.
To realize vehicle rapid recovery, shortening remission time, the prior art is generally used with the relay valve for overcharging function,
I.e. in the pressure for improving relaying valve inlet, make its entrance and towards there are larger pressure difference, and then improving and fill between the outlet of train pipe
Speed is pressed, correspondingly, the needs of function is overcharged to meet, is provided in alleviation equipment and is overcharged cylinder, overcharges the equipment such as solenoid valve,
And relay valve is required to have the function of to overcharge.
Alleviation equipment provided by the utility model connects blast main and relaying valve inlet by the first pipeline, with the first pipeline
Parallel connection is equipped with the second pipeline that diameter is more than the first pipeline, when vehicle needs rapid recovery, the control device on the second pipeline
Second pipeline is connected, blast main is allow, to relay valve pressurising, to increase the pressurising area of relay valve by the second pipeline, make
Train pipe pressurising speed is accelerated, it is achieved thereby that the rapid recovery of vehicle.The utility model is using increase relay valve pressurising area
The rapid recovery of vehicle is realized instead of the method for increase relay valve entrance pressure difference in the prior art, is made in alleviation equipment not
It must set again and overcharge cylinder, overcharge the equipment such as solenoid valve, and relay valve need not have and overcharge function, simplify the knot for alleviating equipment
Structure, while also avoid because overcharging the security risk brought.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is alleviation a kind of schematic diagram of specific embodiment of equipment provided by the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the accompanying drawings and specifically
The utility model is described in further detail for embodiment.
It please refers to Fig.1, Fig. 1 is alleviation a kind of schematic diagram of specific embodiment of equipment provided by the utility model.
The braking process of rail vehicle for relay valve 3 by exhaust outlet by train pipe pressure release, train tube pressure reduction makes vehicle
Generate braking, alleviate process for blast main by relay valve 3 to train pipe pressurising, train tube pressure is made to increase, and then make vehicle
Release on-position.
In the utility model, the first pipeline 4 and the second pipeline 5 in parallel, the second pipe are equipped between blast main and relay valve 3
The diameter on road 5 is more than the first pipeline 4, and blast main can work as vehicle by the first pipeline 4 and/or the second pipeline 5 to train pipe pressurising
When generally being alleviated, air-flow passes sequentially through the first pipeline 4 from blast main and relay valve 3 is flowed into train pipe；Second pipeline 5
Control device is equipped with, when vehicle needs rapid recovery, the second pipeline 5 is connected control device, and air-flow can pass through second
Pipeline 5 and relay valve 3 are to train pipe pressurising.
Specifically, as shown in Figure 1, control device is two-position two-way solenoid valve 1, the structure of two-position two-way solenoid valve 1 can join
The prior art is examined, which can be controlled by operating personnel or vehicle control system, when vehicle is not in quickly delaying
During solution state, two-position two-way solenoid valve 1 is located at the valve position for separating the second pipeline 5；When vehicle carries out rapid recovery, two two
Three-way electromagnetic valve 1 switches to the valve position that the second pipeline 5 is connected.The present embodiment is used as control device using two-position two-way solenoid valve 1
A kind of only preferred embodiment can also use the control valve of the other forms such as gate valve or butterfly valve as control device.
In the present embodiment, the alleviation process of vehicle is：When vehicle will carry out rapid recovery, two-position two-way solenoid valve 1 exists
Receive after operational order electric, the second pipeline 5 be connected, at this point, the second pipeline 5 comes into operation, air-flow by the second pipeline 5 to
Train pipe pressurising；When needing to cancel rapid recovery function, the dead electricity after cancellation instruction is received of two-position two-way solenoid valve 1, by second
Pipeline 5 separates, and due to 5 open circuit of the second pipeline, air-flow can not pass through, and rapid recovery function is cancelled.
To ensure that 3 inlet pressure of relay valve is stablized, the present embodiment is provided with shrinkage cavity 2 on the first pipeline 4, and shrinkage cavity 2 can
The flow of air-flow in pipeline is limited, so as to which mitigation of gases pressure oscillation is influenced caused by 3 inlet pressure of relay valve.Shrinkage cavity 2
It is as a kind of example of current-limiting apparatus, in addition to shrinkage cavity 2, the utility model can also use restriction orifice etc. to be filled as current limliting
It puts.
Relay valve 3 is connected with train pipe, has the function of to make train pipe pressure release, pressurize and alleviation, is arranged when relay valve 3 controls
During vehicle pipe pressure release, gas is discharged from exhaust outlet in train pipe.The action of relay valve 3 is controlled by control pressure, the control pressure of relay valve 3
Power is adjusted by regulating device, and equalizer line is used to connect the regulating device of relay valve 3 and control pressure.The relay valve of the utility model
3 need not haves overcharge function, and having no effect on the utility model using the relay valve for having the function of to overcharge realizes rapid recovery function.
The utility model is more than gas channel of the second pipeline 5 of the first pipeline 4 as rapid recovery using diameter, increases
The pressurising area of 3 entrance of relay valve, and then the flow of 3 inlet air flow of relay valve is increased, train pipe is enable to complete quickly
Alleviate, compared with the prior art, alleviation device structure provided by the utility model is simple, and risk is low.
In order in time separate the second pipeline 5 after the completion of train pipe mitigation capability, the pressure loss of blast main is avoided, originally
Embodiment is provided with test section and control unit, and test section is used to measure the pressure of train pipe, and test section is connected with control unit, works as row
Vehicle pipe pressure reach alleviate complete target pressure value when, control unit two-position two-way solenoid valve 1 is switched to make the second pipeline 5 every
Disconnected valve position.
In order to which operating personnel is made to understand the situation that vehicle is alleviated, the present embodiment test section is also connected with display unit, works as train
When pipe pressure reaches the target pressure value alleviated and completed, display unit can prompt the alleviation of operating personnel's vehicle to complete.
Specifically, test section is pressure sensor, control unit is electric-controlled switch, and display unit is display.Pressure sensor
To measure pressure in train pipe, electric-controlled switch is connected with pressure sensor, when train tube pressure reaches the pressure needed for alleviating
During value, electric-controlled switch action, make two position two-way valve 1 electric/dead electricity, 1 valve position of two-position two-way solenoid valve switching by the second pipeline 5 every
It is disconnected.Pressure sensor is also connected with display, and the pressure value measured by pressure sensor is transferred into display and is shown, behaviour
Make the situation that personnel judge vehicle alleviation according to active line pressure.Except the pressure sensor, automatically controlled given by the present embodiment
Other devices also can be used to realize identical function outside switch and display, for example, the present embodiment can also use voltage-controlled open
It closes as test section and control unit, votage control switch is connected to detect train tube pressure, while votage control switch is also logical with train pipe
Indicator light of the oversampling circuit with two-position two-way solenoid valve 1 and as display unit is connected, when train tube pressure reaches the mesh alleviated and completed
When marking pressure value, votage control switch is acted the circuit turn-on where two-position two-way solenoid valve 1,1 switching valve of two-position two-way solenoid valve
Position separates the second pipeline 5, while indicator light lights, and the alleviation of operating personnel's vehicle is prompted to complete.
The present embodiment is provided with test section and control unit in equipment is alleviated, and train tube pressure is measured by test section, when
When train tube pressure reaches predetermined pressure, control unit can separate the second pipeline 5 by control device, reduce unnecessary pressure
Loss.Test section is also connected with display unit, and when train pipe is completed to alleviate, display unit can remind operating personnel's vehicle to alleviate
It completes, the personnel of being conveniently operated do further operating.
The utility model also provides a kind of rail vehicle, including above-mentioned each described alleviation equipment of specific embodiment；
Wherein, the other parts of rail vehicle are referred to the prior art, not reinflated herein.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this practical
Relationship or sequence.
Rail vehicle provided by the utility model and its alleviation equipment are described in detail above.It is used herein
Specific case is expounded the principle and embodiment of the utility model, and the explanation of above example is only intended to help
Understand the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Under the premise of not departing from the utility model principle, can also to the utility model, some improvement and modification can also be carried out, these improve and
Modification is also fallen into the protection domain of the utility model claims.
Claims (7)
1. the alleviation equipment of a kind of rail vehicle, which is characterized in that including to adjust the relay valve of train tube pressure (3), connecting
The relay valve (3) entrance and blast main are connect to the first pipeline (4) by the relay valve (3) to train pipe pressurising, is gone back
Including second pipeline (5) in parallel with first pipeline (4), the diameter of second pipeline (5) is more than first pipeline
(4), second pipeline (5) is additionally provided with to control the control device of pressurising speed.
2. alleviation equipment according to claim 1, which is characterized in that the control device is two-position two-way solenoid valve (1)；
When vehicle carries out rapid recovery, second pipeline (5) is connected the two-position two-way solenoid valve (1)；
When vehicle rapid recovery function is cancelled, the two-position two-way solenoid valve (1) separates second pipeline (5).
3. alleviation equipment according to claim 1, which is characterized in that first pipeline (4) is equipped with to maintain
State the shrinkage cavity (2) of relay valve inlet pressure stabilization.
4. alleviation equipment according to any one of claims 1 to 3, which is characterized in that the relay valve (3) with controlling
It is connected between the regulating device of relay valve (3) pressure by equalizer line；The relay valve (3) is also connected with to control vehicle
Braking and the train pipe alleviated；The relay valve (3) is further connected with to be vented to reduce train tube pressure and realize vehicle
The exhaust outlet of braking.
5. alleviation equipment according to any one of claims 1 to 3, which is characterized in that further include to detect train pipe pressure
The test section of power and it is connected with the test section, when rapid recovery function is cancelled being separated by the control device
The control unit of second pipeline (5).
6. alleviation equipment according to claim 5, which is characterized in that the test section is also connected with to show train pipe
Complete the display unit alleviated.
7. a kind of rail vehicle, which is characterized in that alleviate equipment including claim 1 to 6 any one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529734.4U CN207496661U (en) | 2017-11-15 | 2017-11-15 | A kind of rail vehicle and its alleviation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529734.4U CN207496661U (en) | 2017-11-15 | 2017-11-15 | A kind of rail vehicle and its alleviation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207496661U true CN207496661U (en) | 2018-06-15 |
Family
ID=62504333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721529734.4U Active CN207496661U (en) | 2017-11-15 | 2017-11-15 | A kind of rail vehicle and its alleviation equipment |
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| Country | Link |
|---|---|
| CN (1) | CN207496661U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839649A (en) * | 2018-07-03 | 2018-11-20 | 中车株洲电力机车有限公司 | A kind of air brake units sky Electricity Federation lock control system and control method |
| CN109204291A (en) * | 2018-11-05 | 2019-01-15 | 中车资阳机车有限公司 | A kind of Pneumatic brake systems brake pipe flow warning device |
| CN110509949A (en) * | 2019-08-09 | 2019-11-29 | 中车青岛四方机车车辆股份有限公司 | Train speed regulating device |
| CN114802160A (en) * | 2022-05-13 | 2022-07-29 | 中车齐齐哈尔车辆有限公司 | Air control valve with accelerated release function |
| CN115107726A (en) * | 2022-06-20 | 2022-09-27 | 眉山中车制动科技股份有限公司 | Three-pressure brake valve for controlling air pressure fluctuation of brake cylinder |
-
2017
- 2017-11-15 CN CN201721529734.4U patent/CN207496661U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839649A (en) * | 2018-07-03 | 2018-11-20 | 中车株洲电力机车有限公司 | A kind of air brake units sky Electricity Federation lock control system and control method |
| CN109204291A (en) * | 2018-11-05 | 2019-01-15 | 中车资阳机车有限公司 | A kind of Pneumatic brake systems brake pipe flow warning device |
| CN110509949A (en) * | 2019-08-09 | 2019-11-29 | 中车青岛四方机车车辆股份有限公司 | Train speed regulating device |
| CN114802160A (en) * | 2022-05-13 | 2022-07-29 | 中车齐齐哈尔车辆有限公司 | Air control valve with accelerated release function |
| CN115107726A (en) * | 2022-06-20 | 2022-09-27 | 眉山中车制动科技股份有限公司 | Three-pressure brake valve for controlling air pressure fluctuation of brake cylinder |
| CN115107726B (en) * | 2022-06-20 | 2023-07-11 | 眉山中车制动科技股份有限公司 | Three-pressure brake valve for controlling air pressure fluctuation of brake cylinder |
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