CN106379305A - Relay valve for railway vehicle - Google Patents
Relay valve for railway vehicle Download PDFInfo
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- CN106379305A CN106379305A CN201610708639.4A CN201610708639A CN106379305A CN 106379305 A CN106379305 A CN 106379305A CN 201610708639 A CN201610708639 A CN 201610708639A CN 106379305 A CN106379305 A CN 106379305A
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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
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
- B60T15/184—Railway control or brake valves
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention provides a relay valve for a railway vehicle. The relay valve for the railway vehicle comprises a valve body and three diaphragm assemblies. A plurality of input pressure passages, a plurality of output pressure passages, a plurality of exhaust passages and a plurality of internal precontrol passages are arranged in the valve body. The input pressure passages are used for inputting pressure to the relay valve. The output pressure passages are used for outputting pressure from the relay valve. The exhaust passages are connected with the atmosphere. The precontrol pressure passages are used for controlling the signal pressure of an air valve. The valve body further comprises stepped holes for installation of an auxiliary air valve and a main air valve and installation threaded holes for a pressure sensor. The three diaphragm assemblies are arranged in the valve body, share a connecting rod, and are locked and connected through a check ring and a nut, and the large-diameter end of the connecting rod is provided with a valve opening. The relay valve for the railway vehicle is stable, reliable, high in control accuracy and good in stability. The safe redundancy function of diaphragms of the relay valve under the conditions of damage and cracking is realized.
Description
Technical field
A kind of the present invention relates to field of track traffic, in particular it relates to relay valve used for rail vehicle.
Background technology
Relay valve is an important control execution unit in rail vehicle braking system, and its main effect is to accept system
System carries out ratio control to its pre-control signal pressure, and the compressed air exporting the big flow proportional to its pre-control signal pressure is used
Carry out the braking of vehicle with driver element brake.
, all using single-iris, the form of bivalve mouth, its shortcoming exists for municipal rail train and locomotive braking system relay valve at present
In：First, under same pre-control signal pressure, its output is single it is impossible to export the function of different brake-cylinder pressures；
2nd, no Safety Redundancy function, because relay valve is frequent movement part, once breaking down, has a strong impact on the operation peace of train
Entirely, such as pre-control signal pressure chamber diaphragm damages or ruptures, and relay valve loses the ability of brake pressure output.
Patent publication No. is that the Chinese invention patent of CN 103921780 A discloses a kind of Braking System for High Speed Multiple Units
Use double ratio relay valves, including upper and lower valve body, intermediate, interior body, large, medium and small lamina membranacea, application valve, switching valve, spring, O-shaped
Circle etc., it is capable of under the control of electric elements, can obtain two groups of different serial brake-cylinder pressure outputs, to meet height
Braking requirement under fast EMUs difference operating mode, but it suffers from the drawback that：First, switching valve is connected as by bolt and main valve body
Distributing connects, and integrated level is high, and junction is equipped with O-ring, with the continuous vibrations in train travelling process, risk of leakage
Increase, the operation to train threatens safely；2nd, no in the case that pre-control signal pressure is zero, relay valve still has necessarily
The function of pressure output, this function is Safety Redundancy function, and this Safety Redundancy function shows：A kind of situation is to work as relay valve
Pre-control signal pressure loine pressure is reduced rapidly to zero, and relay valve still has pressure output it is ensured that the basic braking function of train, separately
A kind of situation is that the diaphragm in relay valve pre-control signal pressure chamber damages or ruptures, and pre- governor pressure directly quickly enters in the middle of air,
Relay valve still has pressure output it is ensured that the brake riggings function of train.
Content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of relay valve used for rail vehicle, it stably may be used
Lean on, control accuracy is high, stability good, solve in relaying Safety Redundancy function in the case of damage and fracture for the valve film.
According to an aspect of the present invention, provide a kind of relay valve used for rail vehicle it is characterised in that it includes：
Valve body, is provided with multiple input pressure passages, multiple output pressure passage, multiple exhaust passage and multiple in valve body
Internal pre-control passage, wherein input pressure passage are used for introducing input pressure to relay valve, and output pressure passage is used for from relaying
Valve output pressure, exhaust passage is connected with air, and pre-control pressure channel is used for the control of the signal pressure of air valve, and valve body also wraps
Containing the auxiliary air valve of installation and the shoulder hole of main air valve and the installation screwed hole of pressure transducer；
Three diaphragm units, are placed in described valve inner, and three diaphragm units share a connecting rod, by back-up ring and nut
Locking connects, and the bigger diameter end of described connecting rod is provided with a valve port.
Preferably, described relay valve used for rail vehicle also include acoustic filter, bottom flange, the first spring, mobile valve element, first
Valve port seat, connecting rod, lower valve body, second spring, the first center valve body, the second center valve body, first segment discharge orifice, the first locking screw
Mother, regulating bolt, adjustable column, the 3rd spring, the second locking nut, bonnet, the first electromagnetic valve, the second electromagnetic valve, pressure pass
Sensor, the 3rd electromagnetic valve, the 4th electromagnetic valve, first piston, the first valve pocket, the 4th spring, the first spring base, the second throttle orifice,
Second spring seat, the 5th spring, valve port base, the second valve pocket, second piston, the 6th spring, the 5th electromagnetic valve, the second valve port
Seat, the first chamber, the second chamber, the 3rd chamber, the 4th chamber, the 5th chamber, the 6th chamber, the 7th chamber, the 8th chamber, the 9th chamber, the tenth chamber, the tenth
One chamber, the 12nd chamber, the 13rd chamber, the 14th chamber, the 15th chamber, the 16th chamber, the 17th chamber, the 18th chamber, the first input
Pressure channel, first exhaust passage, the first output pressure passage, the second input pressure passage, the 3rd input pressure passage, the 4th
Input pressure passage, the second output pressure passage, the 5th input pressure passage, second exhaust passage, the 3rd exhaust passage, the 4th
Exhaust passage, the 5th exhaust passage, the 6th exhaust passage, the 7th exhaust passage, three diaphragm units be primary diaphragm assembly,
Two diaphragm units, tertiary membrane piece assembly, bottom flange is located at the step in the hole on the right side of the lower end of valve body, and the lower end of bottom flange is provided with and disappears
Sound device, the upper end of bottom flange is provided with stepped hole, and stepped hole side wall is provided with an O-ring groove, and mobile valve element is located at bottom flange
Step in the hole, the first spring is located between lower end step and the stepped hole step of bottom flange of mobile valve element, lower valve body, in first
Between valve body, the second center valve body be respectively positioned on the inside of valve body, lower valve body is connected with the upper end of bottom flange, the upper left of lower valve body
It is provided with the second throttle orifice, the first center valve body is connected with the upper end of lower valve body, and the upper left of the first center valve body is provided with first
Throttle orifice, the second center valve body is connected with the upper end of the first center valve body, and the second center valve body is connected with the lower end of bonnet, even
Bar is located at the inside of valve body and sequentially passes through lower valve body, the first center valve body, the second center valve body, the lower end of connecting rod from bottom to up
It is connected with mobile valve element, connecting rod is sequentially provided with primary diaphragm assembly, secondary diaphragm assembly, tertiary membrane piece assembly from bottom to up,
Second spring be located between lower valve body and primary diaphragm assembly, the second locking nut be located at connecting rod upper end and with tertiary membrane piece group
The upper end of part is connected, and adjustable column is located in the valve port of the upper end of bonnet, and the lower end of adjustable column is connected with the upper end of connecting rod, adjusts
In the valve port of upper end that section bolt the is located at bonnet, and top positioned at adjustable column, the 3rd spring is located at regulating bolt and adjustable column
Between, the first locking nut is located between regulating bolt and bonnet, and first piston and the first valve pocket are respectively positioned on the lower end of valve body
Middle step in the hole and the first valve pocket is located between first piston and the hole wall of stepped hole of valve body, the first spring base and first
The lower end of valve pocket, the lower end of valve body are connected, and the 4th spring is located between first piston and the first spring base, valve port base, second
Valve pocket, second piston, the second valve port seat are respectively positioned on the step in the hole on the left of the lower end of valve body, and second piston passes through in the second valve pocket
Between hole, between the 6th spring is located above second piston and the second valve pocket, the second valve port seat is connected with the second valve pocket and the
Two valve port seats are located between the second valve pocket and second piston, and the lower end of second piston is connected with the upper end of valve port base, the second bullet
Spring abutment is partly connected with the lateral protrusions above the lower surface of valve body, the lower surface of the second valve pocket, valve port base, the 5th spring position
Between inside protrusions part above the valve port base and second spring seat, the 5th electromagnetic valve, the 4th electromagnetic valve, the 3rd electromagnetism
Valve, pressure transducer, the second electromagnetic valve, the first electromagnetic valve are placed in the top of valve body, the first input pressure passage, first exhaust
Passage, the first output pressure passage, the second input pressure passage, the 3rd input pressure passage, the 4th input pressure passage, second
Output pressure passage, the 5th input pressure passage, second exhaust passage, the 3rd exhaust passage, the 4th exhaust passage, the 5th aerofluxuss
Passage, the 6th exhaust passage, the 7th exhaust passage are respectively positioned in valve body, second exhaust passage, the first input pressure passage, first
Exhaust passage, the first output pressure passage, the second input pressure passage, the 3rd input pressure passage, the 4th input pressure passage,
5th input pressure passage is placed in valve body, the first chamber, the second chamber, the 3rd chamber, the 4th chamber, the 5th chamber, the 6th chamber, the 7th
Chamber, the 8th chamber are respectively positioned in valve body and are arranged in order from top to bottom, and the 9th chamber is located in valve body and the 9th chamber is located at the 8th chamber
Outside, the tenth chamber, the 11st chamber, the 12nd chamber, the 13rd chamber are respectively positioned in valve body and are arranged in order from top to bottom, the 14th
Chamber, the 15th chamber, the 16th chamber, the 17th chamber, the 18th chamber are respectively positioned in valve body and are arranged in order from top to bottom, second exhaust
Passage is connected with the second chamber, and the 3rd input pressure passage is connected with the 5th chamber, and the 7th exhaust passage is connected with the 15th chamber, and second
Output pressure passage is connected with the 16th chamber, and the 5th exhaust passage is connected with the 18th chamber, the 3rd exhaust passage and the 13rd chamber
Connection.Preferably, described lower valve body, described primary diaphragm assembly, described second valve pocket are respectively equipped with groove.
Preferably, described pressure transducer and valve body pass through screw thread in succession.
Preferably, the upper end of described valve port base is provided with vulcanite sealing gasket.
Preferably, described 3rd electromagnetic valve is double feed inlet one outlet solenoid valve.
Preferably, described 4th electromagnetic valve is double feed inlet one outlet solenoid valve.
Compared with prior art, the present invention has following beneficial effect：The air valve of the present invention passes through inner air path passage
Carry out logical combination control, reliable and stable, control accuracy is high, stability good；Modular design, is integrated with pop valve and its standby
Part, EP valve module and remotely alleviate module；Solve in relaying Safety Redundancy work(in the case of damage and fracture for the valve film
Energy；Solve the carrying out safety backup of the situation that pop valve burns out in coil；Provide long-range mitigation capability；Provide in different operating modes
The brake-cylinder pressure of different series can be exported down.
Brief description
The detailed description with reference to the following drawings, non-limiting example made by reading, the further feature of the present invention,
Objects and advantages will become more apparent upon：
Fig. 1 is zero for load-carrying of the present invention and relay valve has the structural representation of fixing output pressure.
Fig. 2 is the structural representation of the relay valve retarder location under the first auxiliary air valve raw bits in the present invention.
Fig. 3 is the structural representation of the relay valve alleviation position under the first auxiliary air valve raw bits in the present invention.
Fig. 4 is the structural representation of the relay valve complete incidence graph position under the first auxiliary air valve raw bits in the present invention.
Fig. 5 is the structural representation of the relay valve retarder location under the first auxiliary air valve pre-control position in the present invention.
Fig. 6 is the structural representation of the relay valve alleviation position under the first auxiliary air valve pre-control position in the present invention.
Fig. 7 is the structural representation of the relay valve complete incidence graph position under the first auxiliary air valve pre-control position in the present invention.
Fig. 8 is the structural representation of the long distance forced mitigation capability under relay valve retarder location in the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some deformation can also be made and improve.These broadly fall into the present invention
Protection domain.
As shown in figure 1, present invention relay valve used for rail vehicle includes：
Valve body 30, is provided with multiple input pressure passages, multiple output pressure passage, multiple exhaust passage and many in valve body
Individual internal pre-control passage, wherein input pressure passage are used for introducing input pressure to relay valve, and output pressure passage is used for therefrom
Continue valve output pressure, and exhaust passage is connected with air, and pre-control pressure channel is used for the control of the signal pressure of air valve, on valve body also
Include the auxiliary air valve of installation and the shoulder hole of main air valve and the installation screwed hole of pressure transducer；
Three diaphragm units, are placed in described valve inner, and three diaphragm units share a connecting rod, by back-up ring and nut
Locking connects, and the bigger diameter end of described connecting rod is provided with a valve port.
Described relay valve used for rail vehicle also includes acoustic filter 1, bottom flange 2, the first spring 3, mobile valve element 4, the first valve
Mouth seat 5, connecting rod 6, lower valve body 7, second spring 8, the first center valve body 10, the second center valve body 12, first segment discharge orifice 14, first
Locking nut 15, regulating bolt 16, adjustable column 17, the 3rd spring 18, the second locking nut 19, bonnet, 20, the first electromagnetic valve
21st, the second electromagnetic valve 22, pressure transducer 23, the 3rd electromagnetic valve 24, the 4th electromagnetic valve 25, first piston 26, the first valve pocket 27,
4th spring 28, the first spring base 29, valve body 30, the second throttle orifice 31, second spring seat 32, the 5th spring 33, valve port base
34th, the second valve pocket 35, second piston 36, the 6th spring 37, the 5th electromagnetic valve 38, the second valve port seat 39, the first chamber 40, the second chamber
41st, the 3rd chamber 42, the 4th chamber 43, the 5th chamber 44, the 6th chamber 45, the 7th chamber 46, the 8th chamber 47, the 9th chamber 48, the tenth chamber 49,
11 chambeies 50, the 12nd chamber 51, the 13rd chamber 52, the 14th chamber 53, the 15th chamber 54, the 16th chamber 55, the 17th chamber 56,
18 chambeies 57, the first input pressure passage 101, first exhaust passage 102, the first output pressure passage 103, the second input pressure
Passage 104, the 3rd input pressure passage 105, the 4th input pressure passage 106, the second output pressure passage the 107, the 5th input
Pressure channel 108, second exhaust passage 109, the 3rd exhaust passage 110, the 4th exhaust passage 111, the 5th exhaust passage 112,
6th exhaust passage 113, the 7th exhaust passage 114, three diaphragm units be primary diaphragm assembly 9, secondary diaphragm assembly 11,
Three diaphragm units 13, bottom flange 2 is located at the step in the hole on the right side of the lower end of valve body 30, and the lower end of bottom flange 2 is provided with acoustic filter 1,
The upper end of bottom flange 2 is provided with stepped hole, and stepped hole side wall is provided with an O-ring groove, and mobile valve element 4 is located at the platform of bottom flange 2
Rank in the hole, the first spring 3 is located between lower end step and the stepped hole step of bottom flange 2 of mobile valve element 4, lower valve body 7, first
Center valve body 10, the second center valve body 12 are respectively positioned on the inside of valve body 30, and lower valve body 7 is connected with the upper end of bottom flange 2, lower valve body
7 upper left is provided with the second throttle orifice 31, and the first center valve body 10 is connected with the upper end of lower valve body 7, the first center valve body 10
Upper left be provided with first segment discharge orifice 14, the second center valve body 12 is connected with the upper end of the first center valve body 10, in the middle of second
Valve body 12 is connected with the lower end of bonnet, 20, connecting rod 6 be located at valve body 30 inside and sequentially pass through from bottom to up lower valve body 7, the
One center valve body 10, the second center valve body 12, the lower end of connecting rod 6 is connected with mobile valve element 4, and connecting rod 6 sets from bottom to up successively
There are primary diaphragm assembly 9, secondary diaphragm assembly 11, tertiary membrane piece assembly 13, second spring 8 is located at lower valve body 7 and primary diaphragm
Between assembly 9, the second locking nut 19 is located at the upper end of connecting rod 6 and is connected with the upper end of tertiary membrane piece assembly 13, adjustable column 17
In the valve port of the upper end of bonnet, 20 and the lower end of adjustable column 17 is connected with the upper end of connecting rod 6, regulating bolt 16 is located at upper
In the valve port of the upper end of valve gap 20 and be located at the top of adjustable column 17, the 3rd spring 18 be located at regulating bolt 16 and adjustable column 17 it
Between, the first locking nut 15 is located between regulating bolt 16 and bonnet, 20, and first piston 26 and the first valve pocket 27 are respectively positioned on valve
Step in the hole in the middle of the lower end of body 30 and the first valve pocket 27 is located between first piston 26 and the hole wall of stepped hole of valve body 30,
First spring base 29 is connected with the lower end of the first valve pocket 27, the lower end of valve body 30, and the 4th spring 28 is located at first piston 26 and the
Between one spring base 29, valve port base 34, the second valve pocket 35, second piston 36, the second valve port seat 39 are respectively positioned under valve body 30
The step in the hole in end left side, second piston 36 passes through the hole in the middle of the second valve pocket 35, the 6th spring 37 be located at second piston 36 with
Between above second valve pocket 35, the second valve port seat 39 is connected with the second valve pocket 35 and the second valve port seat 39 is located at the second valve pocket 35
And second piston 36 between, the lower end of second piston 36 is connected with the upper end of valve port base 34, second spring seat 32 and valve body 30
Lower surface, the lower surface of the second valve pocket 35, the lateral protrusions of valve port base 34 top be partly connected, the 5th spring 33 is located at valve
Between the inside protrusions part of mouth base 34 top and second spring seat 32, the 5th electromagnetic valve 38, the 4th electromagnetic valve the 25, the 3rd electricity
Magnet valve 24, pressure transducer 23, the second electromagnetic valve 22, the first electromagnetic valve 21 are placed in the top of valve body 30, the first input pressure
Passage 101, first exhaust passage 102, the first output pressure passage 103, the second input pressure passage 104, the 3rd input pressure
Passage 105, the 4th input pressure passage 106, the second output pressure passage 107, the 5th input pressure passage 108, second exhaust
Passage 109, the 3rd exhaust passage 110, the 4th exhaust passage 111, the 5th exhaust passage 112, the 6th exhaust passage the 113, the 7th
Exhaust passage 114 is respectively positioned in valve body 30, second exhaust passage 109, the first input pressure passage 101, first exhaust passage
102nd, the first output pressure passage 103, the second input pressure passage 104, the 3rd input pressure passage 105, the 4th input pressure
Passage 106, the 5th input pressure passage 108 are respectively positioned on the inside of valve body 30, the first chamber 40, the second chamber 41, the 3rd chamber the 42, the 4th
Chamber 43, the 5th chamber 44, the 6th chamber 45, the 7th chamber 46, the 8th chamber 47 are respectively positioned in valve body 30 and are arranged in order from top to bottom, the 9th
Chamber 48 is located in valve body 30 and the 9th chamber 48 is located at the outside in the 8th chamber 47, the tenth chamber 49, the 11st chamber 50, the 12nd chamber 51,
13rd chamber 52 is respectively positioned in valve body 30 and is arranged in order from top to bottom, the 14th chamber 53, the 15th chamber 54, the 16th chamber 55,
17th chamber 56, the 18th chamber 57 are respectively positioned in valve body 30 and are arranged in order from top to bottom, second exhaust passage 109 and the second chamber
41 connections, the 3rd input pressure passage 105 is connected with the 5th chamber 44, and the 7th exhaust passage 114 is connected with the 15th chamber 54, and second
Output pressure passage 107 is connected with the 16th chamber 55, and the 5th exhaust passage 112 is connected with the 18th chamber 57, the 3rd exhaust passage
110 are connected with the 13rd chamber 52.
Described lower valve body 7, described primary diaphragm assembly 9, described second valve pocket 35 are respectively equipped with groove, so facilitate spring
Install.
Described pressure transducer 23 and valve body 30 pass through screw thread in succession, are so connected firmly.
The upper end of described valve port base 34 is provided with vulcanite sealing gasket, such good sealing effect.
The operation principle of the present invention is as follows：Each components and parts within stepped hole in the middle of the lower end of valve body form the first auxiliary gas
Valve 400, each components and parts within the stepped hole on the left of the lower end of valve body form the second auxiliary air valve 600, on the right side of the lower end of valve body
Each components and parts composition stop valve 500 within stepped hole.First spring, second spring increase stability.3rd spring is given and is adjusted
Bolt provides pretightning force.First piston and second piston all control opening of each mouth of air valve itself being located respectively according to pre-control power
Open and close.Primary diaphragm assembly, secondary diaphragm assembly, tertiary membrane piece assembly pass through the output according to pre- governor pressure and auxiliary air valve
The unlatching of Stress control stop valve, closing, aerofluxuss.Four electromagnetic valves are installed on the upper end of valve body, and one of electromagnetic valve is tight
Urgent telegram magnet valve, an electromagnetic valve is emergency backup valve, and an electromagnetic valve is inflation electromagnetic valve, and an electromagnetic valve is aerofluxuss electromagnetism
Valve, the air inlet of each electromagnetic valve, working hole and air vent carry out corresponding connection with the pressure channel of described valve inner.
Before elaborating this relay valve operation principle, the first connection source and target source of clearly each gas channels, first
Input pressure passage 101 connects wind regime pressure, and the first output pressure passage 103 connects empty and load brake regulator, the second input pressure passage
The pre- governor pressure of the 104 auxiliary air valves of connection, the 3rd input pressure passage 105 connects the pre- governor pressure of main air valve, the 4th input pressure
Passage 106 connects wind regime pressure, and the second output pressure passage 107 connects checking cylinder, and the 5th input pressure passage 108 connects wind regime
Pressure, first exhaust passage 102, second exhaust passage 109, the 3rd exhaust passage 110, the 4th exhaust passage 111, the 5th aerofluxuss
Passage 112, the 6th exhaust passage 113, the 7th exhaust passage 114 are exhaust passage, connect air.
Especially it is emphasised that：5th electromagnetic valve 38 is normally open solenoid valve, and when that is, must not be electric, its IN mouth and OUT port be to communicate
, when obtaining electric, its OUT port and EXO mouth communicate, so under normal conditions, wind regime pressure from the IN mouth of the 5th electromagnetic valve 38 to
The OUT port of the 5th electromagnetic valve, then to the 14th chamber, the second auxiliary air valve 600 action, the 16th chamber keeps connecting with the 17th chamber,
18th chamber, the 16th chamber do not connect with the 17th chamber, and that is, the 7th chamber and the 16th chamber, the 17th chamber, the second output pressure lead to
Road communicates, and the second output pressure passage connects checking cylinder, so the 7th chamber keeps connecting with checking cylinder.
Especially it is emphasised that：3rd electromagnetic valve 24 is double feed inlet one outlet solenoid valve, and its IN1 mouth and IN2 mouth are import,
OUT port is outlet, and must not be in the case of electricity, IN2 mouth and OUT port communicate, electric situation, IN1 mouth and OUT port communicate,
3rd electromagnetic valve 24 must not give tacit consent to electricity in systems.
Especially it is emphasised that：4th electromagnetic valve 25 is double feed inlet one outlet solenoid valve, and its IN1 mouth and IN2 mouth are import,
OUT port is outlet, and must not be in the case of electricity, IN1 mouth and OUT port communicate, electric situation, IN2 mouth and OUT port communicate,
Often-have-electricity given tacit consent in systems by 4th electromagnetic valve 25.
First, when system load-carrying is zero：Relay valve has fixing output pressure, and adjustable column 17 is in the 3rd spring 18 and regulating bolt
Move down under 16 collective effect, the connecting rod 6 of main air valve 500 moves down in the presence of adjustable column 17, primary diaphragm assembly 9,
Secondary diaphragm assembly 11, tertiary membrane piece assembly 13 all followed by and move down, and the valve port on connecting rod 6 is fitted tightly simultaneously with mobile valve element 4
Mobile valve element 4 is promoted to move down, mobile valve element 4 is departed from the first valve port seat 5, and the 7th chamber is connected with the 8th chamber, wind regime pressure is by the
Five input pressure passage 108 to the 8th chamber, then to the 7th chamber, then to the second output pressure passage 107, then to checking cylinder, realize
Still there is the function of basic output under relay valve no pre-control pressure condition.
2nd, the relay valve retarder location under the first auxiliary air valve raw bits：First auxiliary air vale raw bits are no pre- governor pressure
Initial position, under this position, pressure channel and the 11st chamber, the 12nd chamber and the 7th within valve body 30 are passed through in the first chamber
Chamber connects, due to this relay valve to have pre-control pressure signal be zero when, still have the Safety Redundancy of pressure output, now, by wind regime pressure
Power accesses the 5th input pressure passage 108, pressure by the 5th input pressure passage 108 to the 8th chamber, then to the 7th chamber, then to the
Two output pressure passages 107, then to checking cylinder, the pressure of the 7th intracavity is communicated with the 6th chamber by the second throttle orifice 31 simultaneously,
And acting on the lower section of primary diaphragm assembly 9, the pressure of the 7th intracavity reaches the 12nd chamber simultaneously, then to the 11st chamber, more extremely
First chamber, and act on the top of tertiary membrane piece assembly 13, each diaphragm unit upper and lower pressure and second spring pressure make main gas
Valve 500 is maintained at a poised state, and now, external system can gather the output pressure of relay valve, and brakes with needed for system
Pressure compares, if relay valve output pressure and target braking pressure have differences, control system can control EP (to lead control
Valve) module carries out filling exhaust event, makes in the allowed band reaching desired value of output fast and stable of relay valve, process of gas path
For：Wind regime pressure is by the IN mouth of the first input pressure passage 101 to the first electromagnetic valve 21, then the OUT port to the first electromagnetic valve 21,
Again to pressure transducer 23, then the IN2 mouth to the 4th electromagnetic valve, then the OUT port to the 4th electromagnetic valve, then to the first output pressure
Passage 103, then to outside empty and load brake regulator, then to the 3rd input pressure passage 105, then to the 5th chamber, promote primary diaphragm group
Part 9 moves down, in the increase of relay valve output pressure the allowed band reaching desired value of fast and stable.
3rd, the relay valve under the first auxiliary air valve raw bits alleviates position：Target braking pressure is pressed definite value and is reduced, external system meeting
The output pressure of collection relay valve now, EP valve module reduces the 5th intracavity of main air valve 500 in proportion according to goal pressure
Pressure, due to due to first segment discharge orifice, the speed that pressure reduces is very slow, within a period of time, still for the 4th chamber and the 6th chamber
Very big pressure is had to act on below primary diaphragm assembly 9 and secondary diaphragm 11, due to the acting surface of tertiary membrane piece assembly 13
Amass and be much smaller than the active area of primary diaphragm assembly 9 and the active area sum of secondary diaphragm assembly 11, so, three diaphragm groups
Part include connecting rod under the active force below diaphragm unit and the first spring 3, the collective effect power of second spring 8 on move, and gram
Take the active force of the 3rd spring 18, the sealing gasket of the valve port of connecting rod 6 and mobile valve element 4 departs from, the sealing gasket of mobile valve element 4 and the
The valve port of one valve port seat 5 fits tightly, and the pressure of the 7th intracavity drains in air by the 4th exhaust passage 111, now, relay valve
Reach alleviation position, process of gas path is made up of pre-control pressure portion and main air path part, the process of gas path of pre-control pressure portion is：
Pre- governor pressure reaches the 5th chamber by the 9th chamber, then to the 3rd input pressure passage 105, then to outside empty and load brake regulator, then to the
One output pressure passage 103, then to the 4th electromagnetic valve 25 OUT port again to the IN2 mouth of the 4th electromagnetic valve 25, then to the second electromagnetism
The IN mouth of valve 22, then the OUT port to the second electromagnetic valve 22, then drain into air to first exhaust passage 102.Main air path part gas circuit
Flow process is：Brake-cylinder pressure reaches the 16th chamber by the second output pressure passage 107, then to the 17th chamber, then to the 7th chamber, then
Drain into air to the 4th exhaust passage 111, the pressure in the 6th chamber reaches the 7th chamber by the second throttle orifice 31 simultaneously, then to the 4th row
Gas passage 111 drains into air.
Connect above-mentioned relay valve and reached alleviation position, when the pressure in pre- governor pressure the 5th chamber of relay valve is reduced to desired value model
Enclose interior after, diaphragm unit moves in the presence of pre- governor pressure, but this active force is only capable of making the valve port of connecting rod 6 and mobile valve element 4
Sealing gasket fit tightly it is impossible to push mobile valve element 4 open, now, the valve port of connecting rod 6 is closely pasted with the sealing gasket of mobile valve element 4
Close, the valve port of the first valve port seat 5 is fitted tightly with the sealing gasket of mobile valve element 4, and relay valve has reached alleviation pressurize position.
4th, the relay valve complete incidence graph position under the first auxiliary air valve raw bits：Target braking pressure is zero, and relay valve can will be made
Dynamic cylinder pressure drains into zero, and the process of gas path of this process is consistent with above-mentioned " alleviation position ", and difference is, works as brake-cylinder pressure
After row's light, system detectio to brake-cylinder pressure is zero, then controls the 5th electromagnetic valve 38 to obtain electric, the pre-control of the second auxiliary air valve 600
Pressure reaches the OUT port of the 5th electromagnetic valve 38, then the EXO mouth to the 5th electromagnetic valve 38 by the 14th chamber, then leads to the 6th aerofluxuss
Road 113 drains into air, the second piston 36 of the second auxiliary air valve under the collective effect of the 5th spring 33 and the 6th spring 37 on move,
The sealing gasket of final valve port base 34 fits tightly with the valve port of the second valve port seat 39, the valve port of second piston 36 and valve port base
34 sealing gasket departs from, and relay valve has reached complete incidence graph position.
5th, the relay valve retarder location under the first auxiliary air valve pre-control position：The pre- governor pressure of the first auxiliary air valve 400 is inputted by second
Pressure channel 104 reaches the tenth chamber, acts on the upper surface of first piston 26, first piston 26 overcomes the bullet of the 4th spring 28
Power moves down, and by the spacing holding of the first spring base 30, the 11st chamber does not connect with the 12nd chamber, and the 11st chamber and the 13rd chamber are even
Logical, the first chamber is connected with the 11st chamber and the 13rd chamber by inner passage, and final and atmosphere.
Now, wind regime pressure is accessed passage 108, pressure reaches the 8th chamber by the 5th input pressure passage 108, then to the
Seven chambeies, then to the second output pressure passage 107, then to checking cylinder, simultaneously the pressure of the 7th intracavity pass through the second throttle orifice 31 with
6th chamber communicates, and acts on the lower section of primary diaphragm assembly 9, and each diaphragm unit upper and lower pressure and spring pressure make main air valve
500 are maintained at a poised state, and now, external system can gather the output pressure of relay valve, and press with braking needed for system
Power compares, if relay valve output pressure and target braking pressure have differences, control system can control EP valve module to enter
Row fills exhaust event, makes in the allowed band reaching desired value of output fast and stable of relay valve, process of gas path is：Wind regime pressure
Power reaches the IN mouth of the first electromagnetic valve 21, then the OUT port to the first electromagnetic valve 21 by the first input pressure passage 101, then to pressure
Force transducer 23, then the IN2 mouth to the 4th electromagnetic valve, then the OUT port to the 4th electromagnetic valve, then to the first output pressure passage
103, then to outside empty and load brake regulator, then to the 3rd input pressure passage 105, then to the 5th chamber, promote under primary diaphragm assembly 9
Move, in the increase of relay valve output pressure the allowed band reaching desired value of fast and stable.
6th, the relay valve under the first auxiliary air valve pre-control position alleviates position：First auxiliary air valve 400 under pre-control position, brake by target
Pressure is pressed definite value and is reduced, and external system can gather the output pressure of relay valve now, EP valve module according to goal pressure press than
Example reduces the pressure of the 5th intracavity of main air valve 500, and, due to due to first segment discharge orifice, pressure reduces for the 4th chamber and the 6th chamber
Speed is very slow, within a period of time, still has very big pressure to act on below primary diaphragm assembly 9 and secondary diaphragm 11, and three
Individual diaphragm unit is included under connecting rod active force and the first spring 3, collective effect power of second spring 8 below diaphragm unit
Move, and overcome the active force of the 3rd spring 18, the sealing gasket of the valve port of connecting rod 6 and mobile valve element 4 departs from, and moves the close of valve element 4
The valve port of packing and the first valve port seat 5 fits tightly, and the pressure of the 7th intracavity drains in air by the 4th exhaust passage 111, this
When, relay valve has reached alleviation position, and process of gas path is made up of pre-control pressure portion and main air path part, the gas of pre-control pressure portion
Road flow process is：Pre- governor pressure reaches the 5th chamber by the 9th chamber, then to the 3rd input pressure passage 105, then to outside empty and load
Valve, then to the first output pressure passage 103, then the OUT port to the 4th electromagnetic valve 25, then the IN2 mouth to the 4th electromagnetic valve 25, then
To the IN mouth of the second electromagnetic valve 22, then the OUT port to the second electromagnetic valve 22, then drain into air to first exhaust passage 102.Main gas
Road part process of gas path is：Brake-cylinder pressure reaches the 16th chamber by the second output pressure passage 107, then to the 17th chamber, then
To the 7th chamber, then drain into air to the 4th exhaust passage 111, the pressure in the 6th chamber reaches the 7th by the second throttle orifice 31 simultaneously
Chamber, then drain into air to the 4th exhaust passage 111.
Connect above-mentioned relay valve and reached alleviation position, when the pressure in pre- governor pressure the 5th chamber of relay valve is reduced to desired value model
Enclose interior after, diaphragm unit moves in the presence of pre- governor pressure, but this active force is only capable of making the valve port of connecting rod 6 and mobile valve element 4
Sealing gasket fit tightly it is impossible to push mobile valve element 4 open, now, the valve port of connecting rod 6 is closely pasted with the sealing gasket of mobile valve element 4
Close, the valve port of the first valve port seat 5 is fitted tightly with the sealing gasket of mobile valve element 4, and relay valve has reached alleviation pressurize position.
7th, the relay valve complete incidence graph position under the first auxiliary air valve pre-control position：First auxiliary air valve 400 under pre-control position, target
Brake pressure is zero, and brake-cylinder pressure can be drained into zero by relay valve, and the process of gas path of this process is consistent with above-mentioned " alleviation position ",
Difference is, after brake-cylinder pressure row's light, system detectio to brake-cylinder pressure is zero, then controls the 5th electromagnetic valve 38
Obtain electric, the pre- governor pressure of the second auxiliary air valve 600 is reached the OUT port of the 5th electromagnetic valve 38 by the 14th chamber, then to the 5th electromagnetic valve
38 EXO mouth, then drain into air to the 6th exhaust passage 113, the second piston 36 of the second auxiliary air valve is in the 5th spring 33 and
Upper shifting under the collective effect of six springs 37, the sealing gasket of final valve port base 34 is fitted tightly with the valve port of the second valve port seat 39,
The valve port of second piston 36 is departed from the sealing gasket of valve port base 34, and relay valve has reached complete incidence graph position.
8th, the long distance forced mitigation capability under relay valve retarder location is as follows：Relay valve, under retarder location, can pass through second
Auxiliary air valve 600 carries out long distance forced alleviation, realizes forcing mitigation capability, needs to make the 5th electromagnetic valve 38 obtain electric, the second auxiliary air valve
600 pre- governor pressure is reached the OUT port of the 5th electromagnetic valve 38 by the 14th chamber, then the EXO mouth to the 5th electromagnetic valve 38, then to
Six exhaust passages 113 drain into air, and the second piston 36 of the second auxiliary air valve is in the common work of the 5th spring 33 and the 6th spring 37
With lower upper shifting, the sealing gasket of final valve port base 34 is fitted tightly with the valve port of the second valve port seat 39, the valve port of second piston 36
Depart from the sealing gasket of valve port base 34, the 17th chamber does not connect with the 16th chamber, and the 16th chamber connects with the 18th chamber.Connect down
Only to state main process of gas path, remaining process of gas path repeats no more, wind regime pressure reaches the 8th by the 5th input pressure passage 108
Chamber, then to the 7th chamber, then to the 17th chamber and keep, brake-cylinder pressure reaches the tenth by the second output pressure passage 107 simultaneously
Six chambeies, then to the 18th chamber, then draining into air to the 5th exhaust passage 112, said process is realized relay valve and is entered under retarder location
Row long distance forced mitigation capability.
9th, carrying out safety backup function during pop valve fault：Service braking situation, the 4th electromagnetic valve 25 is often powered, EP valve mould
The pressure of block output by the 4th electromagnetic valve 25 IN2 oral instructions to the 4th electromagnetic valve 25 OUT port, then to outside empty and load brake regulator,
Again to the 3rd input pressure passage 105, then to the 5th chamber, realize conventional gas braking, brake hard situation, the 4th electromagnetic valve 25 loses
Electricity, its IN2 mouth and OUT port are closed, and its IN1 mouth connects with OUT port, and wind regime pressure is reached by the 4th input pressure passage 106, the
The IN1 mouth of four electromagnetic valves 25, then the OUT port to the 4th electromagnetic valve 25, then to outside empty and load brake regulator, then to the 3rd input pressure
Passage 105, then to the 5th chamber, realize brake hard.But under pop valve failure condition, its disabler, system controls the 3rd
Electromagnetic valve 24 must be electric, and wind regime pressure reaches the IN1 mouth of the 3rd electromagnetic valve 24 by the 4th input pressure passage 106, then to the 3rd electricity
The OUT port of magnet valve 24, then to outside empty and load brake regulator, then to the 3rd input pressure passage 105, then to the 5th chamber, realize urgent
Braking.
The centre of bonnet, is provided with a boss, and boss center is provided with threading steps hole, and boss lower end is provided with dress O-ring
Groove, the side of boss is provided with steam vent, and steam vent is connected with air；One regulating bolt is placed in the threading steps of described bonnet,
In the hole, is provided with a spring, is mainly used in regulating bolt pretightning force at the lower end step of regulating bolt；One T-shaped adjustable column
It is placed in the threading steps in the hole of described bonnet, described in placement in the middle of the lower end step of T-shaped post upper end and described regulating bolt
Spring；The upper end of the second center valve body is provided with diaphragm mounting groove, and two ends are provided with annular deep gouge, and centre is provided with a through hole, in
Between through hole be formed around four little through holes, connect two annular deep gouges；The upper end of the first center valve body is provided with diaphragm and installs
Groove, two ends are provided with annular deep gouge, and centre is provided with a through hole, are provided with a throttle orifice on the side of intermediate throughholes, connect two
Annular deep gouge；The upper end of lower valve body is provided with diaphragm mounting groove, is provided with an annular deep gouge in the inner side of diaphragm mounting groove, in annular
Deep gouge is provided with an annular groove, and in order to place spring, centre is provided with a through hole, is provided with one on the side of intermediate throughholes
Throttle orifice, is provided with O-ring groove on intermediate throughholes wall, is provided with an annular deep gouge in the lower end of lower valve body, in annular counterbore
Portion is provided with a valve port, and the inner side of valve port is a through hole, also has a cavity volume in lower valve body lower end；Mobile valve element is step
Cylinder step, upper end sulfuration has sealing gasket, for and sealing valve port, the side face of cylinder is provided with O-ring groove, and centre is provided with one
Through hole；Bottom flange is placed in described valve body lower end first step in the hole, and bottom flange lower end is provided with an acoustic filter, and upper end is provided with one
Stepped hole, stepped hole side wall is provided with an O-ring groove, and described mobile valve element is placed in the step in the hole of bottom flange, in described shifting
It is placed in a spring in movable valve plug lower end step and described bottom flange stepped hole step；First valve pocket is placed in described valve body lower end
Little second step in the hole, the first valve pocket external cylindrical surface is provided with O-ring groove and gas circuit hole, valve pocket lower end be additionally provided with a step with
The stepped hole cooperation positioning of described valve body；First piston is placed in described first valve pocket, and piston is step cylinder, external cylindrical surface
It is provided with cylinder groove and O-ring groove, inside is provided with gas circuit hole, piston has a boss；First spring base is placed in described valve body
The little second step in the hole in lower end, and withstand described first valve pocket, the first spring base upper end is provided with an annular deep gouge, and centre sets
There is a through hole, as aerofluxuss, between the first spring base annular deep gouge and the boss of described first piston lower end, be placed in one
Spring；Second valve pocket is placed in the 3rd little step in the hole of described valve body lower end, and the second valve pocket outside cylinder step surface is provided with O-ring
Groove, inside is provided with gas circuit hole, and valve pocket lower end is additionally provided with the stepped hole cooperation positioning of a step and described valve body；Second piston is put
In described second valve pocket, piston is connected by fastening means by big piston and piston rod, and the face of cylinder is provided with O-ring to Radix Angelicae Dahuricae (Radix Heraclei Scabridi) beyond the Great Wall
Groove, piston-rod lower end is provided with valve port；Second spring seating is in the 3rd little step in the hole of described valve body lower end, and withstands described
Two valve pockets, the first spring base upper end is provided with an annular deep gouge, and centre is provided with a through hole, as aerofluxuss；Valve port base upper
There is vulcanite at end as sealing gasket, and centre is provided with stepped hole, and described valve port base is placed in the ring of described second spring seat upper end
In shape deep gouge, between the stepped hole and the annular deep gouge of described second spring seat of described valve port base, it is placed in a spring；The
One auxiliary air valve is placed in the little first step hole of described valve body, including the first described valve pocket, described first piston, described
4th spring and the first described spring base, the described first piston each mouth of the first auxiliary air valve according to pre-control Stress control
Open and close；Second auxiliary air valve is placed in the little second step hole of described valve body, including the second described valve pocket, described the
Two pistons, described second spring seat, described valve port base and the 5th described spring, described second piston is according to pre-control
The opening and closing of each mouth of the second auxiliary air valve described in Stress control；One group of main air valve is placed in described valve inner, including described
Three diaphragm units, described regulating bolt, described spring, described bonnet, the second described center valve body, described
First center valve body, described lower valve body, described mobile valve element and described bottom flange, described diaphragm unit is according to pre-control
The output pressure of pressure and auxiliary air valve controls unlatching, closing and the aerofluxuss of described main air valve；Four electromagnetic valves are installed on valve body
Upper end, one of electromagnetic valve is urgent electromagnetic valve, and an electromagnetic valve is emergency backup valve, and an electromagnetic valve is inflation electromagnetism
Valve, an electromagnetic valve is exhaust solenoid valve, the pressure of the air inlet of described electromagnetic valve, working hole and air vent and described valve inner
Power passage carries out corresponding to connection；One pressure transducer installs screw thread in the hole, described pressure transducer and institute with described valve body
State inflation electromagnetic valve and exhaust solenoid valve forms an EP pressure control module.
In sum, the air valve of the present invention carries out logical combination control by inner air path passage, reliable and stable, controls essence
Degree is high, stability good；Modular design, is integrated with pop valve and its backup, EP valve module and remotely alleviates module；Solve
In relaying Safety Redundancy function in the case of damage and fracture for the valve film；Solve the situation that pop valve burns out in coil
Carrying out safety backup；Provide long-range mitigation capability；Provide the brake-cylinder pressure that can export different series under different operating modes.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various modifications or modification within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (7)
1. a kind of relay valve used for rail vehicle is it is characterised in that described relay valve used for rail vehicle includes：
Valve body, is provided with multiple input pressure passages, multiple output pressure passage, multiple exhaust passage and multiple inside in valve body
Pre-control passage, wherein input pressure passage are used for introducing input pressure to relay valve, and output pressure passage is used for defeated from relay valve
Go out pressure, exhaust passage is connected with air, pre-control pressure channel is used for the control of the signal pressure of air valve, and valve body also includes
Auxiliary air valve and the shoulder hole of main air valve and the installation screwed hole of pressure transducer are installed；
Three diaphragm units, are placed in described valve inner, and three diaphragm units share a connecting rod, by back-up ring and nut check
Connect, the bigger diameter end of described connecting rod is provided with a valve port.
2. relay valve used for rail vehicle according to claim 1 is it is characterised in that described relay valve used for rail vehicle also wraps
Include acoustic filter, bottom flange, the first spring, mobile valve element, the first valve port seat, connecting rod, lower valve body, second spring, the first intermediate valve
Body, the second center valve body, first segment discharge orifice, the first locking nut, regulating bolt, adjustable column, the 3rd spring, the second locking screw
Mother, bonnet, the first electromagnetic valve, the second electromagnetic valve, pressure transducer, the 3rd electromagnetic valve, the 4th electromagnetic valve, first piston,
One valve pocket, the 4th spring, the first spring base, the second throttle orifice, second spring seat, the 5th spring, valve port base, the second valve pocket,
Second piston, the 6th spring, the 5th electromagnetic valve, the second valve port seat, the first chamber, the second chamber, the 3rd chamber, the 4th chamber, the 5th chamber,
Six chambeies, the 7th chamber, the 8th chamber, the 9th chamber, the tenth chamber, the 11st chamber, the 12nd chamber, the 13rd chamber, the 14th chamber, the 15th
Chamber, the 16th chamber, the 17th chamber, the 18th chamber, the first input pressure passage, first exhaust passage, the first output pressure passage,
Second input pressure passage, the 3rd input pressure passage, the 4th input pressure passage, the second output pressure passage, the 5th input
Pressure channel, second exhaust passage, the 3rd exhaust passage, the 4th exhaust passage, the 5th exhaust passage, the 6th exhaust passage,
Seven exhaust passages, three diaphragm units are primary diaphragm assembly, secondary diaphragm assembly, tertiary membrane piece assembly, and bottom flange is located at valve
Step in the hole on the right side of the lower end of body, the lower end of bottom flange is provided with acoustic filter, and the upper end of bottom flange is provided with stepped hole, stepped hole side
Wall is provided with an O-ring groove, and mobile valve element is located at the step in the hole of bottom flange, and the first spring is located at the lower end stand of mobile valve element
Between the stepped hole step of rank and bottom flange, lower valve body, the first center valve body, the second center valve body are respectively positioned on the inside of valve body,
Lower valve body is connected with the upper end of bottom flange, and the upper left of lower valve body is provided with the second throttle orifice, the first center valve body and lower valve body
Upper end be connected, the upper left of the first center valve body is provided with first segment discharge orifice, the second center valve body and the first center valve body
Upper end is connected, and the second center valve body is connected with the lower end of bonnet, and connecting rod is located at the inside of valve body and sequentially passes through from bottom to up
Lower valve body, the first center valve body, the second center valve body, the lower end of connecting rod is connected with mobile valve element, on connecting rod from bottom to up successively
Be provided with primary diaphragm assembly, secondary diaphragm assembly, tertiary membrane piece assembly, second spring be located at lower valve body and primary diaphragm assembly it
Between, the second locking nut is located at the upper end of connecting rod and is connected with the upper end of tertiary membrane piece assembly, and adjustable column is located at the upper of bonnet,
The valve port at end is interior and the lower end of adjustable column is connected with the upper end of connecting rod, and regulating bolt is located in the valve port of the upper end of bonnet, and position
In the top of adjustable column, the 3rd spring is located between regulating bolt and adjustable column, and the first locking nut is located at regulating bolt and upper
Between valve gap, first piston and the first valve pocket are respectively positioned on step in the hole in the middle of the lower end of valve body and the first valve pocket is located at first and lives
Between plug and the hole wall of stepped hole of valve body, the first spring base is connected with the lower end of the first valve pocket, the lower end of valve body, the 4th spring
Between first piston and the first spring base, valve port base, the second valve pocket, second piston, the second valve port seat are respectively positioned on valve body
Lower end on the left of step in the hole, second piston passes through the second hole in the middle of valve pocket, and the 6th spring is located at second piston and second
Between above valve pocket, the second valve port seat is connected with the second valve pocket and the second valve port seat be located at the second valve pocket and second piston it
Between, the lower end of second piston is connected with the upper end of valve port base, the lower surface of second spring seat and valve body, the lower end of the second valve pocket
Lateral protrusions above face, valve port base are partly connected, and the 5th spring is located at the inside protrusions part and the above valve port base
Between two spring bases, the 5th electromagnetic valve, the 4th electromagnetic valve, the 3rd electromagnetic valve, pressure transducer, the second electromagnetic valve, the first electromagnetism
Valve is placed in the top of valve body, the first input pressure passage, first exhaust passage, the first output pressure passage, the second input pressure
Power passage, the 3rd input pressure passage, the 4th input pressure passage, the second output pressure passage, the 5th input pressure passage,
Two exhaust passages, the 3rd exhaust passage, the 4th exhaust passage, the 5th exhaust passage, the 6th exhaust passage, the 7th exhaust passage are equal
In valve body, second exhaust passage, the first input pressure passage, first exhaust passage, the first output pressure passage, second defeated
Enter pressure channel, the 3rd input pressure passage, the 4th input pressure passage, the 5th input pressure passage are placed in valve body,
One chamber, the second chamber, the 3rd chamber, the 4th chamber, the 5th chamber, the 6th chamber, the 7th chamber, the 8th chamber be respectively positioned in valve body and from top to bottom according to
Secondary arrangement, the 9th chamber be located at valve body in and the 9th chamber be located at the 8th chamber outside, the tenth chamber, the 11st chamber, the 12nd chamber, the tenth
Three chambeies are respectively positioned in valve body and are arranged in order from top to bottom, the 14th chamber, the 15th chamber, the 16th chamber, the 17th chamber, the 18th
Chamber is respectively positioned in valve body and is arranged in order from top to bottom, and second exhaust passage connects with the second chamber, the 3rd input pressure passage and
5th chamber connection, the 7th exhaust passage is connected with the 15th chamber, and the second output pressure passage is connected with the 16th chamber, the 5th aerofluxuss
Passage is connected with the 18th chamber, and the 3rd exhaust passage is connected with the 13rd chamber.
3. relay valve used for rail vehicle according to claim 1 is it is characterised in that described lower valve body, described primary diaphragm
Assembly, described second valve pocket are respectively equipped with groove.
4. relay valve used for rail vehicle according to claim 1 is it is characterised in that described pressure transducer and valve body pass through
Screw thread is in succession.
5. relay valve used for rail vehicle according to claim 1 is it is characterised in that the upper end of described valve port base is provided with sulfur
Change rubber gasket.
6. relay valve used for rail vehicle according to claim 1 is it is characterised in that described 3rd electromagnetic valve is double feed inlet one
Outlet solenoid valve.
7. relay valve used for rail vehicle according to claim 1 is it is characterised in that described 4th electromagnetic valve is double feed inlet one
Outlet solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708639.4A CN106379305A (en) | 2016-08-23 | 2016-08-23 | Relay valve for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708639.4A CN106379305A (en) | 2016-08-23 | 2016-08-23 | Relay valve for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106379305A true CN106379305A (en) | 2017-02-08 |
Family
ID=57916831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610708639.4A Pending CN106379305A (en) | 2016-08-23 | 2016-08-23 | Relay valve for railway vehicle |
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| Country | Link |
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| CN (1) | CN106379305A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622061A (en) * | 2018-06-28 | 2018-10-09 | 眉山中车制动科技股份有限公司 | It extenuates and ensures valve and Pneumatic braking system |
| CN113165619A (en) * | 2018-10-01 | 2021-07-23 | 克诺尔商用车制动系统有限公司 | ABS pressure control valve assembly |
| CN114771596A (en) * | 2022-04-22 | 2022-07-22 | 中国国家铁路集团有限公司 | Relay valve capable of outputting multistage pressure and railway vehicle braking system |
-
2016
- 2016-08-23 CN CN201610708639.4A patent/CN106379305A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622061A (en) * | 2018-06-28 | 2018-10-09 | 眉山中车制动科技股份有限公司 | It extenuates and ensures valve and Pneumatic braking system |
| CN108622061B (en) * | 2018-06-28 | 2023-07-25 | 眉山中车制动科技股份有限公司 | Relief assurance valve and pneumatic compression system |
| CN113165619A (en) * | 2018-10-01 | 2021-07-23 | 克诺尔商用车制动系统有限公司 | ABS pressure control valve assembly |
| CN113165619B (en) * | 2018-10-01 | 2023-08-11 | 克诺尔商用车制动系统有限公司 | ABS pressure control valve assembly |
| US11731600B2 (en) | 2018-10-01 | 2023-08-22 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | ABS pressure control valve assembly |
| CN114771596A (en) * | 2022-04-22 | 2022-07-22 | 中国国家铁路集团有限公司 | Relay valve capable of outputting multistage pressure and railway vehicle braking system |
| CN114771596B (en) * | 2022-04-22 | 2024-05-24 | 中国国家铁路集团有限公司 | Relay valve capable of performing multistage pressure output and railway vehicle braking system |
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Application publication date: 20170208 |