CN208544278U - A kind of antiskid valve used in the compressed air containing impurity - Google Patents
A kind of antiskid valve used in the compressed air containing impurity Download PDFInfo
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- CN208544278U CN208544278U CN201821092108.8U CN201821092108U CN208544278U CN 208544278 U CN208544278 U CN 208544278U CN 201821092108 U CN201821092108 U CN 201821092108U CN 208544278 U CN208544278 U CN 208544278U
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- strainer
- compressed air
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Abstract
The utility model belongs to field of railway transportation equipment, more particularly to being a kind of antiskid valve used in the compressed air containing impurity, main structure includes center valve body, bolt, air inlet side plate, it is vented side plate, mounting bracket, electromagnetic coil composition, air inlet and O-ring strainer, the strainer made using the rubber vulcanization process of 300 mesh, the impurity that partial size is 0.05mm or more can be filtered out, when the compressed air containing impurity enters from air inlet after O-ring strainer, impurity in compressed air is filtered out by strainer, it cannot be introduced into the inside of center valve body and electromagnetic coil composition, avoid the normal work of the impurity effect antiskid valve in compressed air；Its main structure is simple, and performance safety is reliable, applied widely, and failure rate is low, and maintenance costs are few, and life cycle is long, and use environment is friendly, can in the compressed air containing impurity normal use, be applied on railroad track vehicle anti-skid device.
Description
Technical field:
The utility model belongs to field of railway transportation equipment, and in particular to is a kind of to make in the compressed air containing impurity
Antiskid valve, can in the compressed air containing impurity normal use, be applied to railroad track vehicle anti-skid device on.
Background technique:
Anti-skid device is usually applied on highspeed rail vehicle, prevents from longitudinally occurring between wheel track during wheel rolling tight
The opposite sliding of weight, in order to avoid wheel tread is caused seriously to abrade；In vehicle braking taxiing procedures, braking friction turns with wheel
Decline and increased dramatically for coefficient of friction of speed and increase severely, brake force is but anxious with increased dramatically for longitudinal sliding motion between wheel track
Reduce sharply small, the effect of anti-skid device seeks to detect the possibility that wheel will slide in this of short duration transition stage, and
Movement in time is pressure of the air pressurized in checking cylinder to resist tripping spring, brake force is made to be rapidly decreased to be less than adhesion strength,
To prevent wheel sliding and maintain the adhesion between wheel track, meanwhile, anti-skid device is restored to by the state of having an effect fails at once
State, makes checking cylinder fill wind again in time, keeps biggish brake force as far as possible.Currently, the rail traffic vehicles newly made are mounted on
Electronic antiskid device, such as 25G type vehicle produced in the past, 25K type vehicle and 25T type vehicle also require to return factory's installation electronic anti-breaking again
Device, to improve the safety of rail traffic vehicles driving, antiskid valve is the main component of electronic antiskid device, and antiskid valve directly affects
The performance of electronic antiskid device.A kind of Anti-skidding device disclosed in Chinese patent 201120530744.6 includes anti-skid device host, speed
Spend sensor, exhaust valve and pressure switch；The anti-skid device host output end of box structure is commonly connect by RS232 or RS485
Three groups of transmission cables of the parallel connection output signal of mouthful difference, parallel symmetrical structure is connected to four on first group of transmission cable
A velocity sensor, there are four mutually isostructural exhaust valve, third groups for parallel symmetrical structure connection on second group of transmission cable
Transmission cable powers on communication type and is connected with pressure switch；Using microcomputer structure anti-skid device host respectively with four speed
Sensor, four groups of exhaust valves are connected to pressure switch power information is integrally formed formula structure anti-skid device；Anti-skid device host is provided with
Signal processing and information record and processing software system；Antislip of train valve module packet disclosed in Chinese patent 201720961276.5
It includes antiskid valve, gas path plate and with tube socket, the antiskid valve is connect with the gas path plate, the gas path plate and the tube socket of matching connect
Connect, the valve air inlet of the antiskid valve is communicated with the plate air inlet of the gas path plate, the valve venthole of the antiskid valve with it is described
The plate venthole of gas path plate communicates, and the antiskid valve, the gas path plate and the tube socket of matching after connection form integral module, institute
Stating antiskid valve includes the first antiskid valve and the second antiskid valve, first antiskid valve and second antiskid valve respectively with the gas
The connection of road plate；The valve air inlet includes the first valve air inlet and the second valve air inlet, and the valve venthole includes that the first valve goes out
Stomata and the second valve venthole, the first valve air inlet and the first valve venthole are arranged at first antiskid valve
On, the second valve air inlet and the second valve venthole are arranged in second antiskid valve；The plate air inlet packet
The first plate air inlet and the second plate air inlet are included, the plate venthole includes the first plate venthole and the second plate venthole, described
First valve air inlet is communicated with the first plate air inlet, and the first valve venthole is communicated with the first plate venthole, institute
It states the second valve air inlet to communicate with the second plate air inlet, the second valve venthole is communicated with the second plate venthole.
The gas path plate further includes air inlet, and the air inlet is communicated with the first plate air inlet and the second plate air inlet respectively.Institute
Stating gas path plate further includes gas outlet, and the gas outlet includes the first gas outlet and the second gas outlet, first gas outlet and institute
It states the first plate venthole to communicate, second gas outlet is communicated with the second plate venthole, and the anti-skidding valve module further includes
First escape pipe and the second escape pipe, first escape pipe and second escape pipe are connect with described with tube socket respectively, institute
The one end and first gas outlet for stating the first escape pipe are connected, and one end of second escape pipe connects with second gas outlet
It is logical.First escape pipe includes the first pipe, the second pipe, third pipe and three-way connection, one end of first pipe and described the
One gas outlet is connected, and the other end of first pipe is connect with second pipe and the third pipe respectively by the three-way connection
Logical, second pipe and/or the third pipe are connect with described with tube socket.Described with tube socket includes bracket and tube plate, described
Bracket is connect with the tube plate, and the gas path plate is connect with the bracket, and the tube plate is formed as gap structure.It is described anti-
Slide valve module further includes drain cock, and the drain cock and the plate venthole are connected, and the anti-skidding valve module further includes the
One drain cock and the second drain cock, first drain cock and first gas outlet are connected, second drain plug
Door is connected with second gas outlet；A kind of antiskid valve disclosed in Chinese patent 201621025309.7 includes cover board and valve body,
Valve body is bolted on connecting plate；It is equipped with lining ring between cover board and valve body, diaphragm, diaphragm are equipped between lining ring and cover board
There are gaps between cover board；The front of diaphragm is equipped with the valve port of protrusion and the flat seal of valve body；The reverse side of diaphragm uniformly divides
The multiple salient point cover boards of cloth and valve body fit together posterior end and form two cavitys, are equipped with filter screen in described two cavitys.It crosses
Strainer is bowl shaped structure.Input port (IN) and delivery outlet (OUT) are provided in the middle part of connecting plate.Two skies between cover board and valve body
Chamber is communicated with the input port (IN) on connecting plate, delivery outlet (OUT) respectively.The centre of diaphragm is resisted against on diaphragm pressure spring.
It is provided with groove on valve body, exhaust dustproof sheet is equipped in the groove.Dustproof sheet is vented by diaphragm clip plate and diaphragm external pressure board clamping
It is fixed.Exhaust dustproof sheet, diaphragm clip plate and diaphragm outer plate are fitted together by rivet.The outside of diaphragm outer plate is equipped with
Retaining ring.It is vented dustproof sheet and selects elastic material.The top of cover board is equipped with solenoid valve.Solenoid valve includes air inlet end-coil, exhaust end
Coil, static iron core, dynamic iron core and iron core spring；But with the high speed development of rail traffic, all over the world to rail vehicle
Operation safety, control precision and braking distance made higher requirement, above-mentioned patented product and the prior art
In antiskid valve could only be worked normally in the compressed air of free from admixture so that newly make and return the rail traffic vehicles of factory without
Method fully meets this requirement, and electronic antiskid device cannot be made to play due effect.Therefore, impurity can contained by designing one kind
Compressed air in normal use antiskid valve, reduce antiskid valve use condition requirement, increase the scope of application of antiskid valve, subtract
The maintenance amount of few anti-skid device, improves the travel safety of rail traffic vehicles, there is very much social value and application prospect.
Summary of the invention:
The purpose of the utility model is to overcome disadvantage of the existing technology, impurity can contained by seeking to design one kind
Compressed air in normal use antiskid valve, reduce antiskid valve use condition requirement, increase the scope of application of antiskid valve, subtract
The maintenance amount of few anti-skid device, improves the travel safety of rail traffic vehicles.
To achieve the goals above, the utility model relates to used in the compressed air containing impurity antiskid valve
Main structure includes center valve body, bolt, air inlet side plate, exhaust side plate, mounting bracket, electromagnetic coil composition, air inlet and O-shaped
Enclose strainer；The right side of the center valve body of rectangular parallelepiped structure is connect by bolt with the air inlet side plate of U-shaped plate structure, intermediate valve
The left side of body is connect by bolt with the exhaust side plate of U-shaped plate structure, the bottom side of center valve body pass through bolt with it is rectangular
The mounting bracket of body structure connects, and electromagnetic coil composition connection is provided in the top side face of center valve body, and electromagnetic coil forms position
Between air inlet side plate and exhaust side plate, circular sheet-like structures are provided in the air inlet between center valve body and air inlet side plate
O-ring strainer.
The utility model relates to electromagnetic coil composition main structure include mounting base, spool valve seat, electromagnetic coil, into
Gas coil and exhaust coil；The spool valve seat of plate structure, the both ends of spool valve seat are provided in the mounting base of rectangular parallelepiped structure
It is respectively protruding into air inlet side plate and exhaust side plate, the top side face of mounting base is provided with the electromagnetic coil of cylindrical structure, electromagnetic wire
The top of circle be provided with cylindrical structure air inlet coil and exhaust coil, spool valve seat respectively with center valve body and electromagnetic coil
Electrical connection.
The utility model relates to the main structure of O-ring strainer include outer ring and strainer；Outside circular ring shape laminated structure
The strainer of round reticular structure is provided in the interior annular of circle；The outer diameter of outer ring is 8.0mm, and the internal diameter of outer ring is 4.5mm, strainer
Diameter be 4.5mm.
Compared with prior art, the strainer made using the rubber vulcanization process of 300 mesh can filter out grain to the utility model
Diameter is the impurity of 0.05mm or more, and when the compressed air containing impurity enters from air inlet after O-ring strainer, compression is empty
Impurity in gas is filtered out by strainer, be cannot be introduced into the inside of center valve body and electromagnetic coil composition, is avoided miscellaneous in compressed air
The normal work of matter influence antiskid valve；Its main structure is simple, and performance safety is reliable, applied widely, and failure rate is low, and maintenance is protected
It is few to form this, life cycle is long, and use environment is friendly.
Detailed description of the invention:
Fig. 1 is the main structure schematic illustration of the utility model.
Fig. 2 be the utility model relates to O-ring strainer main structure schematic illustration.
Fig. 3 be the utility model relates to O-ring strainer cross-section structure schematic illustration.
Specific embodiment:
The utility model is described further below by embodiment and in conjunction with attached drawing.
Embodiment 1:
The main structure for the antiskid valve used in the compressed air containing impurity that the present embodiment is related to includes intermediate valve
Body 1, bolt 2, air inlet side plate 3, exhaust side plate 4, mounting bracket 5, electromagnetic coil composition 6, air inlet 7 and O-ring strainer 8；It is long
The right side of the center valve body 1 of cube structure is connect by bolt 2 with the air inlet side plate 3 of U-shaped plate structure, center valve body 1
Left side is connect by bolt 2 with the exhaust side plate 4 of U-shaped plate structure, the bottom side of center valve body 1 pass through bolt 2 with it is rectangular
The mounting bracket 5 of body structure connects, and 6 connection of electromagnetic coil composition, electromagnetic coil composition are provided in the top side face of center valve body 1
6 are located between air inlet side plate 3 and exhaust side plate 4, are provided with circular piece in the air inlet 7 between center valve body 1 and air inlet side plate 3
The O-ring strainer 8 of shape structure.
The main structure for the electromagnetic coil composition 6 that the present embodiment is related to includes mounting base 10, spool valve seat 11, electromagnetic coil
12, air inlet coil 13 and exhaust coil 14；The spool valve seat 11 of plate structure, valve are provided in the mounting base 10 of rectangular parallelepiped structure
The both ends of core valve seat 11 are respectively protruding into air inlet side plate 3 and exhaust side plate 4, and the top side face of mounting base 10 is provided with cylindrical structure
Electromagnetic coil 12, the top of electromagnetic coil 12 be provided with cylindrical structure air inlet coil 13 and exhaust coil 14, spool valve
Seat 11 is electrically connected with center valve body 1 and electromagnetic coil 12 respectively.
The main structure for the O-ring strainer 8 that the present embodiment is related to includes outer ring 15 and strainer 16；Circular ring shape laminated structure
The strainer 16 of round reticular structure is provided in the interior annular of outer ring 15；The outer diameter of outer ring 15 is 8.0mm, and the internal diameter of outer ring 15 is
4.5mm, the diameter of strainer 16 are 4.5mm.
The strainer 16 that this implementation is related to is made using the rubber vulcanization process of 300 mesh, can be filtered out partial size and is
The impurity of 0.05mm or more, when the compressed air containing impurity enters from air inlet 7 after O-ring strainer 8, compressed air
In impurity filtered out by strainer 16, cannot be introduced into center valve body 1 and electromagnetic coil composition 6 inside, avoid in compressed air
The normal work of impurity effect antiskid valve.
The antiskid valve used in the compressed air containing impurity that the present embodiment is related to has the function of quickly filling air draft,
Comprehensive test test passes, suitable for the occasion of the compressed air containing impurity, working pressure range is 0 to 500kPa, work
Making environment temperature is -40 to+50 DEG C, and leakage rate under conditions of pressure is 500kPa and volume is 5L is less than 3kPa/min,
Rated operational voltage is DC 24V ± 3%, and rated power 8W, the class of insulation is F grades, degree of protection IP65, vibration and punching
Hit the requirement of agreement with experimental TB/T 3009-2011 4.2.4.4 clause.
The antiskid valve used in the compressed air containing impurity that the present embodiment is related to is in use, work as 13 He of air inlet coil
When being vented 14 equal no-voltage of coil, antiskid valve is equivalent to a straight-through pipeline, the pressure containing impurity in train braking pipeline
After contracting air is sent into train braking cylinder, train is braked；When air inlet coil 13 it is electric when, antiskid valve is by train braking pipeline
It is truncated at air inlet between checking cylinder, the compressed air containing impurity in brake piping cannot be introduced into checking cylinder, make to brake
Cylinder is in state of pressure keeping；When air inlet coil 13 and exhaust coil 14 it is electric when, antiskid valve is by train braking pipeline and checking cylinder
Between air inlet at be truncated, meanwhile, antiskid valve by between checking cylinder and ambient atmosphere access connect, make containing in checking cylinder
The compressed air of impurity is discharged into the atmosphere, and train brake brake shoe release, train enters jogging state.
Claims (3)
1. a kind of antiskid valve used in the compressed air containing impurity, it is characterised in that main structure include center valve body,
Bolt, air inlet side plate, exhaust side plate, mounting bracket, electromagnetic coil composition, air inlet and O-ring strainer；In rectangular parallelepiped structure
Between the right side of valve body connect with the air inlet side plate of U-shaped plate structure by bolt, the left side of center valve body passes through bolt and U
The exhaust side plate of shape plate structure connects, and the bottom side of center valve body is connected by the mounting bracket of bolt and rectangular parallelepiped structure,
Be provided in the top side face of center valve body electromagnetic coil composition connection, electromagnetic coil composition be located at air inlet side plate and exhaust side plate it
Between, the O-ring strainer of circular sheet-like structures is provided in the air inlet between center valve body and air inlet side plate.
2. the antiskid valve according to claim 1 used in the compressed air containing impurity, it is characterised in that electromagnetic wire
The main structure of circle composition includes mounting base, spool valve seat, electromagnetic coil, air inlet coil and exhaust coil；Rectangular parallelepiped structure
The spool valve seat of plate structure is provided in mounting base, the both ends of spool valve seat are respectively protruding into air inlet side plate and exhaust side plate,
The top side face of mounting base is provided with the electromagnetic coil of cylindrical structure, and the top of electromagnetic coil is provided with the air inlet of cylindrical structure
Coil and exhaust coil, spool valve seat are electrically connected with center valve body and electromagnetic coil respectively.
3. the antiskid valve according to claim 1 used in the compressed air containing impurity, it is characterised in that O-ring filter
The main structure of net includes outer ring and strainer；Round reticular structure is provided in the interior annular of the outer ring of circular ring shape laminated structure
Strainer；The outer diameter of outer ring is 8.0mm, and the internal diameter of outer ring is 4.5mm, and the diameter of strainer is 4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092108.8U CN208544278U (en) | 2018-07-11 | 2018-07-11 | A kind of antiskid valve used in the compressed air containing impurity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092108.8U CN208544278U (en) | 2018-07-11 | 2018-07-11 | A kind of antiskid valve used in the compressed air containing impurity |
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| Publication Number | Publication Date |
|---|---|
| CN208544278U true CN208544278U (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821092108.8U Active CN208544278U (en) | 2018-07-11 | 2018-07-11 | A kind of antiskid valve used in the compressed air containing impurity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773389A (en) * | 2018-07-11 | 2018-11-09 | 青岛雷尔威机械制造有限公司 | A kind of antiskid valve used in the compressed air containing impurity |
-
2018
- 2018-07-11 CN CN201821092108.8U patent/CN208544278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773389A (en) * | 2018-07-11 | 2018-11-09 | 青岛雷尔威机械制造有限公司 | A kind of antiskid valve used in the compressed air containing impurity |
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