CN105383473B - air brake valve for locomotive - Google Patents
air brake valve for locomotive Download PDFInfo
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- CN105383473B CN105383473B CN201510922919.0A CN201510922919A CN105383473B CN 105383473 B CN105383473 B CN 105383473B CN 201510922919 A CN201510922919 A CN 201510922919A CN 105383473 B CN105383473 B CN 105383473B
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- gas circuit
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Classifications
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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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/04—Driver's valves
- B60T15/048—Controlling pressure brakes of railway vehicles
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- 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
- B61H11/10—Aerodynamic brakes with control flaps, e.g. spoilers, attached to the vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The present invention is a kind of air brake valve for locomotive, including an application valve, application valve is connected with train pipe gas circuit, supplementary reservoir gas circuit, first port of the application valve also with a two-way valve is connected, second port and two-way valve outlet are additionally provided with two-way valve, second port is connected with a urgent pressure regulator valve by a two position three way directional control valve, and urgent pressure regulator valve connects with total general mood road, and one end of two position three way directional control valve is provided with the first control valve port connected with train pipe gas circuit；Two-way valve outlet is connected with the patten transformation loop that can be connected with checking cylinder gas circuit.The air brake valve for locomotive has output pressure adjustment and selection function, solve the problems, such as that existing air brake valve function is simply scattered, maintenance and repair cost is high, it is integrated to meet alleviation and service braking, brake hard, the demand without locomotive brake cylinder difference control pressure under fiery loop back mode on-position.
Description
Technical field
The present invention relates to rail transit rolling stock braking technology field, more particularly to it is a kind of have output pressure adjustment and
The air brake valve for locomotive of selection function.
Background technology
At present, Locomotive Brake System requires there is different brake-cylinder pressure (or checking cylinder control pressure) when using
Output so that required under train service braking, brake hard and without fiery loopback (i.e. the unpowered loopback of locomotive) state
Brake pressure differs, therefore as the air brake valve in brakes, it is necessary to assure above-mentioned brake-cylinder pressure can be met
The basic output requirement of (or checking cylinder control pressure).
Current locomotive braking system has the brakes of CCB II, EUROTROL brakes, JZ-7 air systems with a fairly large number of
Motivation, DK-1 electric control motivation and DK-2 brakes, be respectively provided with DB air brake valves, SW4 distributing valves, F7 air brake valves,
109 distributing valves and 109 change distributing valve, and above-mentioned brake valve does not possess integrated offer service braking, brake hard and without fiery loopback
Etc. a variety of output pressures and pressure output selection function.The brake hard of DB air brake valves is realized in other modules, without fire
Loopback pressure limit is to drain into below 200kPa according to by total reservoir pressure, and train pipe is then used in other modules to total general mood
The mode that wind is filled in road pressure limiting is realized；SW4 distributing valves can only realize service braking, brake hard and be by being arranged in without fiery loopback
Other valve classes and cock selection in brakes is realized；F7 distributing valves are to realize service braking and brake hard pressure by pressure limiting
Power, and need to carry out multi-pass operation release of brake when without fiery loopback to adjust service braking cylinder pressure and the total wind pressure of row etc.
Multi-step, emergency brake pressure can not meet to require during without fiery loopback；109 distributing valves and 109 change distributing valve can realize it is conventional and
Emergency brake pressure is exported, and emergency brake pressure output is limited by safety valve, will be higher by the compressed air of control pressure
Ceaselessly arrange to air, cause to waste wind regime, operated again by multiple release of brake to adjust safety valve during without fiery loopback
The Opening pressure of action realizes that the compressed air that finally will be above control pressure ceaselessly arranged to air.
Above prior art does not meet integrated, Modular Trends, while utilization, maintenance cost height, without fiery loopback shape
Total wind pressure is emptied during state, causes the waste of resource.
Thus, the present inventor relies on experience and the practice for being engaged in relevant industries for many years, proposes a kind of locomotive air damping
Valve, the defects of to overcome prior art.
The content of the invention
It is an object of the invention to provide a kind of air brake valve for locomotive, and it is simple to solve existing air brake valve function
It is scattered, the problem of maintenance and repair cost is high, integrated to meet alleviation and service braking, brake hard, without fiery loop back mode system
The demand of locomotive brake cylinder difference control pressure under dynamic state.
The object of the present invention is achieved like this, a kind of air brake valve for locomotive, including an application valve, the application valve
It is connected with train pipe gas circuit, supplementary reservoir gas circuit, first port of the application valve also with a two-way valve is connected, the two-way valve
On be additionally provided with second port and two-way valve outlet, the second port is connected with one by a two position three way directional control valve and urgent adjusted
Pressure valve, the urgent pressure regulator valve are connected with total general mood road, and one end of the two position three way directional control valve is provided with and the train pipe
First control valve port of gas circuit connection；The two-way valve outlet is connected with the patten transformation loop that can be connected with checking cylinder gas circuit；
The application valve comprises at least a 3-position 4-way control valve, described 3-position 4-way control valve one end be provided with it is described
Train pipe gas circuit connects, the control control bit of 3-position 4-way control valve first enters the second control valve port of working condition,
The other end of the 3-position 4-way control valve is provided be connected with the supplementary reservoir gas circuit, the control 3-position 4-way control
The control bit of valve second enters the 3rd control valve port of working condition, and first emptying valve is additionally provided with the 3-position 4-way control valve
Mouthful, the first valve port for being connected with the train pipe gas circuit, the second valve port being connected with the supplementary reservoir gas circuit and with described the
3rd valve port of Single port connection；
When the control bit of 3-position 4-way control valve first enters working condition, the train pipe gas circuit passes through described first
Valve port, second valve port connect with the supplementary reservoir gas circuit, and the first port passes through the 3rd valve port and described the
One emptying valve port connection；When the control bit of 3-position 4-way control valve second enters working condition, the supplementary reservoir gas circuit is led to
Cross second valve port, the 3rd valve port connects with the first port, first valve port, the first emptying valve mouth are in
Off-state；When the 3-position 4-way control valve is in the normal state, first valve port, second valve port, the 3rd valve
Mouth and the first emptying valve mouth are in mutual off-state.
In the better embodiment of the present invention, the patten transformation loop includes direct piping and the limit being arranged in parallel
The entrance of pressure pipeline, the direct piping and the pressure limiting pipeline is connected with the two-way valve outlet, the direct piping and
The outlet of the pressure limiting pipeline is connected with one and cut out cock, and the direct piping is cut out cock and the checking cylinder gas by described
Road connects to form normal mode passage, and the pressure limiting pipeline connects to form nothing by described cut out cock with the checking cylinder gas circuit
Fiery loop back mode passage.
It is described to cut out cock provided with the selection normal mode passage or institute in the better embodiment of the present invention
State the control structure without fiery loop back mode passage.
The present invention a better embodiment in, it is described cut out cock on be provided with the 6th valve port, the 7th valve port and with
8th valve port of the checking cylinder gas circuit connection.
In the better embodiment of the present invention, a pressure limiting valve is serially connected with the pressure limiting pipeline, the pressure limiting valve
Entrance is connected with the two-way valve outlet, and the outlet of the pressure limiting valve is connected with the 6th valve port, and the pressure limiting pipeline passes through
The pressure limiting valve, the 6th valve port, the 8th valve port connected with the checking cylinder gas circuit to be formed it is described without fiery loop back mode
Passage.
In the better embodiment of the present invention, the outlet of the direct piping is connected with the 7th valve port, described
Direct piping is connected by the 7th valve port, the 8th valve port with the checking cylinder gas circuit to be formed the normal mode and leads to
Road.
In the better embodiment of the present invention, it is provided with the two position three way directional control valve and connects with the second port
The 4th valve port connect, the 5th valve being connected with one end of the urgent pressure regulator valve is additionally provided with the two position three way directional control valve
Mouthful, it is additionally provided with second emptying valve mouth on the two position three way directional control valve.
In the better embodiment of the present invention, when the two position three way directional control valve enters state of a control, described second
Port is connected by the 4th valve port with the second emptying valve mouth, and the 5th valve port is in off-state；Described two three
When logical reversal valve is in the normal state, the second port passes through the 4th valve port, the 5th valve port and the urgent pressure regulation
Valve connects, and the second emptying valve mouth is in off-state.
From the above mentioned, air brake valve for locomotive provided by the invention has output pressure adjustment and selection function, structure
Simply, be integrated in one alleviation, service braking, brake hard and without the braking of fiery loop back mode, it is integrated meet alleviation and
Service braking, brake hard, without locomotive brake cylinder or the different pressures of checking cylinder control pressure under fiery loop back mode on-position
Demand, realize modularization, integrated；The air brake valve for locomotive of the present invention simplifies the behaviour set without fiery loop back mode
Make flow, need to only adjust and cut out cock to " without fiery loop back mode passage ", can realize without the braking under fiery loop back mode, method
Simply, labor intensity is reduced, improves operating efficiency, meanwhile, it is not required to discharge total wind pressure when braking without fiery loop back mode, saves
About compressed air, protect environment.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1：For the structural representation of the air brake valve for locomotive of the present invention.
In figure：100th, air brake valve for locomotive；1st, 3-position 4-way control valve；11st, the second control valve port；12nd, the 3rd control
Valve port processed；13rd, the first valve port；14th, the second valve port；15th, the 3rd valve port；16th, first emptying valve mouth；2nd, two-way valve；21st, first end
Mouthful；22nd, second port；23rd, two-way valve outlet；3rd, two position three way directional control valve；31st, the first control valve port；32nd, the 4th valve port；33、
5th valve port；34th, second emptying valve mouth；35th, back-moving spring；4th, urgent pressure regulator valve；5th, patten transformation loop；501st, normal mode
Passage；502nd, without fiery loop back mode passage；51st, direct piping；52nd, pressure limiting pipeline；521st, pressure limiting valve；53rd, cut out cock；531、
6th valve port；532nd, the 7th valve port；533rd, the 8th valve port；9th, train pipe gas circuit；8th, supplementary reservoir gas circuit；7th, total general mood road；6、
Checking cylinder gas circuit.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now control illustrates this hair
Bright embodiment.
As shown in figure 1, air brake valve for locomotive 100 provided by the invention, including (its role is to basis for an application valve
Train tube pressure change produces checking cylinder control pressure), application valve is connected with train pipe gas circuit 9, supplementary reservoir gas circuit 8, effect
First port 21 of the valve also with a two-way valve 2 is connected, and second port 22 and two-way valve outlet 23 are additionally provided with two-way valve 2, the
Two-port netwerk 22 is connected with a urgent pressure regulator valve 4 by a two position three way directional control valve 3 (can adjust total general mood road in brake hard
7 gas pressures transferred out), urgent pressure regulator valve 4 connects with total general mood road 7, and one end of two position three way directional control valve 3 is provided with and arranged
The first control valve port 31 that car pipe gas circuit 9 connects；Two-way valve outlet 23 is connected with the patten transformation that can be connected with checking cylinder gas circuit 6
Loop 5.The compressed air pressure and the two of the connection of second port 22 that the application valve that two-way valve 2 contrasts the connection of first port 21 exports
The compressed air pressure that position three-way diverter valve 3 exports, the one end for selecting pressure big connect with two-way valve outlet 23.As shown in figure 1,
Application valve comprises at least a 3-position 4-way control valve 1, the one end of 3-position 4-way control valve 1 be provided with it is being connected with train pipe gas circuit 9,
Control 3-position 4-way control valve the first control bit to enter the second control valve port 11 of working condition, 3-position 4-way control valve 1 it is another
One end is provided with that, control 3-position 4-way control valve second control bit being connected with supplementary reservoir gas circuit 8 enters working condition
Three control valve ports 12, and first emptying valve mouth 16, be connected with train pipe gas circuit 9 first are additionally provided with 3-position 4-way control valve 1
Valve port 13, the second valve port 14 being connected with supplementary reservoir gas circuit 8 and the 3rd valve port 15 being connected with first port 21.3-position 4-way
When the control bit of control valve first enters working condition, train pipe gas circuit 9 passes through the first valve port 13, the second valve port 14 and supplementary reservoir
Gas circuit 8 is connected, and first port 21 is connected by the 3rd valve port 15 with first emptying valve mouth 16；3-position 4-way control valve second controls
When position enters working condition, supplementary reservoir gas circuit 8 is connected by the second valve port 14, the 3rd valve port 15 with first port 21, and first
Valve port 13, first emptying valve mouth 16 are in off-state；When 3-position 4-way control valve 1 is in the normal state, the first valve port 13, the second valve
The 14, the 3rd valve port 15 of mouth and first emptying valve mouth 16 are in mutual off-state.
Further, as shown in figure 1, patten transformation loop 5 includes the direct piping 51 and pressure limiting pipeline 52 being set up in parallel, directly
Thread a pipe 51 and the entrance of pressure limiting pipeline 52 be connected with two-way valve outlet 23, the outlet of direct piping 51 and pressure limiting pipeline 52 is equal
It is connected to one and cuts out cock 53, direct piping 51 53 connects to form normal mode passage by cutting out cock with checking cylinder gas circuit 6
501, pressure limiting pipeline 52 connects formation without fiery loop back mode passage 502 by cutting out cock 53 with checking cylinder gas circuit 6.
Further, 53 it is provided with selection normal mode passage 501 as shown in figure 1, cutting out cock or leads to without fiery loop back mode
The control structure (not shown) in road 502.The control structure according to locomotive mode demand (normal mode with without fiery loopback mould
Formula), select one in two mode passageways to be connected with checking cylinder gas circuit 6.
In the present embodiment, as shown in figure 1, cutting out cock is provided with the 6th valve port 531, the and of the 7th valve port 532 on 53
The 8th valve port 533 connected with checking cylinder gas circuit 6.
Further, as shown in figure 1, being serially connected with a pressure limiting valve 521 on pressure limiting pipeline 52, the entrance of pressure limiting valve 521 with it is two-way
Valve outlet 23 is connected, and the outlet of pressure limiting valve 521 is connected with the 6th valve port 531, and pressure limiting valve 521 passes through the 6th valve port 531, the 8th valve
Mouth 533 connects formation with checking cylinder gas circuit 6 without fiery loop back mode passage 502.Pressure limiting valve 521 can arrive the Stress control of output
Brake-cylinder pressure without fiery loop back mode demand (in a specific embodiment of the invention, the pressure value is 250KPa).
Further, as shown in figure 1, the outlet of direct piping 51 is connected with the 7th valve port 532, direct piping 51 passes through the 7th
Valve port 532, the 8th valve port 533 connect to form normal mode passage 501 with checking cylinder gas circuit 6.
Further, as shown in figure 1, being provided with the 4th valve port 32 being connected with second port 22 on two position three way directional control valve 3,
The 5th valve port 33 being connected with one end of urgent pressure regulator valve 4, two position three way directional control valve 3 are additionally provided with two position three way directional control valve 3
On be additionally provided with second emptying valve mouth 34, the other end of two position three way directional control valve 3 is provided with back-moving spring 35.
In the present embodiment, when two position three way directional control valve 3 enters state of a control under the control of the first control valve port 31,
Second port 22 is connected by the 4th valve port 32 with second emptying valve mouth 34, and the 5th valve port 33 is in off-state；Two-position three way changes
When being in the normal state to valve 3, second port 22 is connected by the 4th valve port 32, the 5th valve port 33 with urgent pressure regulator valve 4, second row
Empty valve port 34 is in off-state.
The function of checking cylinder control pressure when air brake valve for locomotive 100 provided by the invention can realize four kinds of states,
I.e. service braking, brake hard, without the release of brake under fiery loop back mode on-position and each state.
During service braking state, patten transformation loop 5 selects normal mode passage 501, i.e., two-way valve outlet 23 is by straight
Thread a pipe the 51, the 7th valve port 532, the 8th valve port 533 connects with checking cylinder gas circuit 6；The air draft of train pipe gas circuit 9 is depressurized, and aids in wind
The pressure of cylinder gas circuit 8 is more than the pressure of train pipe gas circuit 9, and the 3rd control valve port 12 that the other end of 3-position 4-way control valve 1 is set controls
The control bit of 3-position 4-way control valve second enters working condition, supplementary reservoir gas circuit 8 by the second valve port 14, the 3rd valve port 15 with
First port 21 connects, and the first valve port 13, first emptying valve mouth 16 are in off-state；Meanwhile one end of two position three way directional control valve 3
Back-moving spring of the pressure of the connected with train pipe gas circuit 9 the first control valve port 31 set still greater than two position three way directional control valve 3
35 restoring force, two position three way directional control valve 3 are in state of a control, and second port 22 passes through the 4th valve port 32 and second emptying valve mouth
34 are connected, and second port 22 is closed under differential pressure action, and the 5th valve port 33 is in off-state；The first port 21 of two-way valve 2 is entered
Atmospheric pressure is more than second port, compressed air from supplementary reservoir gas circuit 8 through the second valve port 14, the 3rd valve port 15, first port 21,
Two-way valve outlet 23, direct piping 51, the 7th valve port 532, the 8th valve port 533 enter checking cylinder gas circuit 6, and control checking cylinder is (existing
Have technology) wind (checking cylinder fills wind pressure and reaches 420kPa under service braking state in a specific embodiment) is filled, realize braking.
When alleviating service braking, patten transformation loop 5 selects normal mode passage 501, i.e., two-way valve outlet 23 passes through
Direct piping 51, the 7th valve port 532, the 8th valve port 533 connect with checking cylinder gas circuit 6；Train pipe gas circuit 9 fills wind, 3-position 4-way
The second control valve port 11 that the one end of control valve 1 is set controls the first control bit of 3-position 4-way control valve to enter working condition, train
Pipe gas circuit 9 is connected by the first valve port 13, the second valve port 14 with supplementary reservoir gas circuit 8, the 3rd valve port 15 and first emptying valve mouth
16 connect, and now two position three way directional control valve 3 enters state of a control under the control of the first control valve port 31, and second port 22 passes through
4th valve port 32 is connected with second emptying valve mouth 34, and second port 22 is closed under differential pressure action, and the compression in checking cylinder gas circuit 6 is empty
Gas empties through normal mode passage 501, two-way valve outlet 23, first port 21, the 3rd valve port 15, first emptying valve mouth 16, real
The alleviation of existing checking cylinder gas circuit.
During emergency braking condition, patten transformation loop 5 selects normal mode passage 501, i.e., two-way valve outlet 23 is by straight
Thread a pipe the 51, the 7th valve port 532, the 8th valve port 533 connects with checking cylinder gas circuit 6；The rapid deflation of train pipe gas circuit 9, aid in wind
The pressure of cylinder gas circuit 8 is more than the pressure of train pipe gas circuit 9, and the 3rd control valve port 12 that the other end of 3-position 4-way control valve 1 is set controls
The control bit of 3-position 4-way control valve second enters working condition, supplementary reservoir gas circuit 8 by the second valve port 14, the 3rd valve port 15 with
First port 21 connects, and the first valve port 13, first emptying valve mouth 16 are in off-state, and compressed air passes through from supplementary reservoir gas circuit 8
Second valve port 14, the 3rd valve port 15 are reached at first port 21；Simultaneously as the rapid deflation of train pipe gas circuit 9, two-position three way change
Input without gas signal to the first control valve port 31 of valve 3, (resetted in the presence of back-moving spring 35 in a specific embodiment
Pressure of the spring 35 at the first control valve port 31 plays reset response when being less than or equal to 140kPa), two position three way directional control valve 3 enters
Enter normality position, second port 22 is connected by the 4th valve port 32, the 5th valve port 33, urgent pressure regulator valve 4 with total general mood road 7, compression
Air is reached at second port 22 from total general mood road 7, and the pressure on total general mood road 7 is more than the output of the 3rd valve port 15 during brake hard
Pressure, second port 22 connect with two-way valve outlet 23, and compressed air is from total general mood road 7 through urgent pressure regulator valve 4, the 5th valve port
33rd, the 4th valve port 32, second port 22, two-way valve outlet 23, direct piping 51, the 7th valve port 532, the 8th valve port 533 enter
Checking cylinder gas circuit 6, control checking cylinder (prior art) fills wind, and (checking cylinder fills blast under emergency braking condition in a specific embodiment
Power reaches 450kPa), realize brake hard.
When alleviating brake hard, patten transformation loop 5 selects normal mode passage 501, i.e., two-way valve outlet 23 passes through
Direct piping 51, the 7th valve port 532, the 8th valve port 533 connect with checking cylinder gas circuit 6；Train pipe gas circuit 9 fills wind, 3-position 4-way
The second control valve port 11 that the one end of control valve 1 is set controls the first control bit of 3-position 4-way control valve to enter working condition, train
Pipe gas circuit 9 is connected by the first valve port 13, the second valve port 14 with supplementary reservoir gas circuit 8, the 3rd valve port 15 and first emptying valve mouth
16 connections, now two position three way directional control valve 3 fill wind to entering when can overcome 35 pressure of back-moving spring in the first control valve port 31
State of a control, second port 22 are connected by the 4th valve port 32 with second emptying valve mouth 34, empty the pressure of second port 22, pressure difference
The lower second port 22 of effect is closed, and the compressed air in checking cylinder gas circuit 6 is through normal mode passage 501, two-way valve outlet 23, the
Single port 21, the 3rd valve port 15, first emptying valve mouth 16 empty, and realize the alleviation of checking cylinder gas circuit；
During without fiery loop back mode on-position, patten transformation loop 5 is selected without fiery loop back mode passage 502, i.e. two-way valve
Outlet 23 is connected by pressure limiting valve 521, the 6th valve port 531, the 8th valve port 533 with checking cylinder gas circuit 6；The air draft of train pipe gas circuit 9
Decompression, the pressure of supplementary reservoir gas circuit 8 are more than the pressure of train pipe gas circuit 9, the 3rd control that the other end of 3-position 4-way control valve 1 is set
Valve port 12 controls the second control bit of 3-position 4-way control valve to enter working condition, and supplementary reservoir gas circuit 8 passes through the second valve port 14, the
Three valve ports 15 connect with first port 21, and the first valve port 13, first emptying valve mouth 16 are in off-state；Meanwhile two-position three way changes
The pressure of the connected with train pipe gas circuit 9 the first control valve port 31 set to one end of valve 3 is still greater than two position three way directional control valve 3
Back-moving spring 35 restoring force, two position three way directional control valve 3 is in state of a control, and second port 22 passes through the 4th valve port 32 and
Two emptying valve ports 34 are connected, and second port 22 is closed under differential pressure action, and the 5th valve port 33 is in off-state；The first of two-way valve 2
The admission pressure of port 21 is more than second port, compressed air from supplementary reservoir gas circuit 8 through the second valve port 14, the 3rd valve port 15,
First port 21, two-way valve outlet 23 reach pressure limiting valve 521, and compressed air (is adjusted through the pressure regulation of pressure limiting valve 521 in a specific embodiment
It is depressed into 250kPa) after, enter checking cylinder gas circuit 6 through the 6th valve port 531, the 8th valve port 533, control checking cylinder (prior art) fills
Wind (checking cylinder fills wind pressure and reaches 250kPa under emergency braking condition in a specific embodiment), realize and braked without fiery loop back mode.
When the release of brake without fiery loop back mode state, patten transformation loop 5 is selected without fiery loop back mode passage 502,
I.e. two-way valve outlet 23 is connected by pressure limiting valve 521, the 6th valve port 531, the 8th valve port 533 with checking cylinder gas circuit 6；Train pipe gas
Wind is filled on road 9, and the second control valve port 11 that the one end of 3-position 4-way control valve 1 is set controls 3-position 4-way the first control bit of control valve to enter
Enter working condition, train pipe gas circuit 9 is connected by the first valve port 13, the second valve port 14 with supplementary reservoir gas circuit 8, the 3rd valve port 15
Connected with first emptying valve mouth 16, now two position three way directional control valve 3 enters state of a control under the control of the first control valve port 31,
Second port 22 is connected by the 4th valve port 32 with second emptying valve mouth 34, and second port 22 is closed under differential pressure action, checking cylinder
Compressed air in gas circuit 6 is through without fiery loop back mode passage 502, two-way valve outlet 23, first port 21, the 3rd valve port 15,
One emptying valve port 16 empties, and realizes the alleviation of checking cylinder gas circuit.
From the above mentioned, air brake valve for locomotive provided by the invention, it is simple in construction, by alleviation, service braking, urgent system
Move and be integrated in one without the braking of fiery loop back mode, it is integrated to meet alleviation and service braking, brake hard, without fiery loopback mould
The demand of locomotive brake cylinder difference control pressure under formula on-position, realize modularization, integrated；The locomotive of the present invention is empty
Air brake valve simplifies the operating process set without fiery loop back mode, need to only adjust and cut out cock to " leading to without fiery loop back mode
Road ", it can realize that method is simple without the braking under fiery loop back mode, reduce labor intensity, improve operating efficiency, meanwhile,
Total wind pressure is no longer emptied when being braked without fiery loop back mode, compressed air is saved, protects environment.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention should be belonged to.
Claims (8)
- A kind of 1. air brake valve for locomotive, it is characterised in that：It is the application valve and train pipe gas circuit, auxiliary including an application valve Reservoir gas circuit is helped to connect, first port of the application valve also with a two-way valve is connected, and second is additionally provided with the two-way valve Port and two-way valve outlet, the second port is connected with a urgent pressure regulator valve by a two position three way directional control valve, described urgent Pressure regulator valve connects with total general mood road, and one end of the two position three way directional control valve is provided with connected with the train pipe gas circuit first Control valve port；The two-way valve outlet is connected with the patten transformation loop that can be connected with checking cylinder gas circuit；The application valve comprises at least a 3-position 4-way control valve, and described 3-position 4-way control valve one end is provided with and the train Pipe gas circuit connects, the control control bit of 3-position 4-way control valve first enters the second control valve port of working condition, described The other end of 3-position 4-way control valve is provided be connected with the supplementary reservoir gas circuit, the control 3-position 4-way control valve the Two control bits enter the 3rd control valve port of working condition, be additionally provided with the 3-position 4-way control valve first emptying valve mouth, The first valve port for being connected with the train pipe gas circuit, the second valve port being connected with the supplementary reservoir gas circuit and with the first end 3rd valve port of mouth connection；When the control bit of 3-position 4-way control valve first enters working condition, the train pipe gas circuit passes through first valve Mouth, second valve port connect with the supplementary reservoir gas circuit, and the first port passes through the 3rd valve port and described first Empty valve port connection；When the control bit of 3-position 4-way control valve second enters working condition, the supplementary reservoir gas circuit passes through Second valve port, the 3rd valve port connect with the first port, and first valve port, the first emptying valve mouth are in disconnected Open state；When the 3-position 4-way control valve is in the normal state, first valve port, second valve port, the 3rd valve port It is in mutual off-state with the first emptying valve mouth.
- 2. air brake valve for locomotive as claimed in claim 1, it is characterised in that：The patten transformation loop is set including parallel connection The entrance of the direct piping and pressure limiting pipeline put, the direct piping and the pressure limiting pipeline connects with the two-way valve outlet Connect, the outlet of the direct piping and the pressure limiting pipeline is connected with one and cut out cock, and the direct piping passes through the conversion Cock is connected to form normal mode passage with the checking cylinder gas circuit, and the pressure limiting pipeline is cut out cock and the system by described Dynamic cylinder gas circuit connects to be formed without fiery loop back mode passage.
- 3. air brake valve for locomotive as claimed in claim 2, it is characterised in that：It is described to cut out cock provided with described in selection Normal mode passage or the control structure without fiery loop back mode passage.
- 4. air brake valve for locomotive as claimed in claim 3, it is characterised in that：It is described cut out cock on be provided with the 6th valve Mouth, the 7th valve port and the 8th valve port connected with the checking cylinder gas circuit.
- 5. air brake valve for locomotive as claimed in claim 4, it is characterised in that：A pressure limiting is serially connected with the pressure limiting pipeline Valve, the entrance of the pressure limiting valve are connected with the two-way valve outlet, and the outlet of the pressure limiting valve is connected with the 6th valve port, institute Pressure limiting pipeline is stated to connect to form institute with the checking cylinder gas circuit by the pressure limiting valve, the 6th valve port, the 8th valve port State without fiery loop back mode passage.
- 6. air brake valve for locomotive as claimed in claim 4, it is characterised in that：The outlet of the direct piping and described the Seven valve ports are connected, and the direct piping is connected with the checking cylinder gas circuit and formed by the 7th valve port, the 8th valve port The normal mode passage.
- 7. air brake valve for locomotive as claimed in claim 1, it is characterised in that：It is provided with the two position three way directional control valve The 4th valve port being connected with the second port, one with the urgent pressure regulator valve is additionally provided with the two position three way directional control valve The 5th valve port of connection is held, second emptying valve mouth is additionally provided with the two position three way directional control valve.
- 8. air brake valve for locomotive as claimed in claim 7, it is characterised in that：The two position three way directional control valve enters control During state, the second port is connected by the 4th valve port with the second emptying valve mouth, and the 5th valve port is in disconnection State；When the two position three way directional control valve is in the normal state, the second port passes through the 4th valve port, the 5th valve port Connected with the urgent pressure regulator valve, the second emptying valve mouth is in off-state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922919.0A CN105383473B (en) | 2015-12-14 | 2015-12-14 | air brake valve for locomotive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922919.0A CN105383473B (en) | 2015-12-14 | 2015-12-14 | air brake valve for locomotive |
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| Publication Number | Publication Date |
|---|---|
| CN105383473A CN105383473A (en) | 2016-03-09 |
| CN105383473B true CN105383473B (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510922919.0A Active CN105383473B (en) | 2015-12-14 | 2015-12-14 | air brake valve for locomotive |
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| CN (1) | CN105383473B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667537A (en) * | 2016-04-01 | 2016-06-15 | 青岛思锐科技有限公司 | Fireless returning device of locomotive |
| CN107776605B (en) * | 2016-08-31 | 2020-11-24 | 克诺尔车辆设备(苏州)有限公司 | Fireless loopback control system for locomotive |
| CN106394531A (en) * | 2016-11-28 | 2017-02-15 | 中车洛阳机车有限公司 | Air control device used for vehicle emergency braking |
| CN106428102B (en) * | 2016-12-06 | 2020-06-02 | 中车长春轨道客车股份有限公司 | Compressed air control and distribution device for back sending rescue of motor train unit |
| CN107472291B (en) * | 2017-08-25 | 2019-05-10 | 中车青岛四方车辆研究所有限公司 | Without fiery loopback module, locomotive air brake control and control system |
| CN108162938B (en) * | 2018-01-09 | 2020-06-23 | 中车株洲电力机车有限公司 | Locomotive and braking state conversion control system thereof |
| CN108454649B (en) * | 2018-04-04 | 2023-08-15 | 湖南高速铁路职业技术学院 | Remote relieving system for parking brake of locomotive and motor train unit |
| CN109532930A (en) * | 2019-01-08 | 2019-03-29 | 中车株洲电力机车有限公司 | Braking system and rail vehicle |
| CN109703596B (en) * | 2019-01-29 | 2020-12-22 | 中车青岛四方机车车辆股份有限公司 | Double-mode rescue conversion device and method for railway vehicle and vehicle |
| CN109703595B (en) * | 2019-01-29 | 2020-12-22 | 中车青岛四方机车车辆股份有限公司 | Double-mode rescue conversion device and method for railway vehicle and vehicle |
| CN113060177B (en) * | 2021-03-31 | 2022-12-16 | 中车青岛四方车辆研究所有限公司 | Locomotive brake cylinder control system and control method |
| CN113619639B (en) * | 2021-09-23 | 2022-07-19 | 中车株洲电力机车有限公司 | Air backup brake conversion system and method and rail transit vehicle |
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| CN105383473A (en) | 2016-03-09 |
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