CN203727354U - Proportional output adjustable novel relay valve - Google Patents
Proportional output adjustable novel relay valve Download PDFInfo
- Publication number
- CN203727354U CN203727354U CN201420065108.4U CN201420065108U CN203727354U CN 203727354 U CN203727354 U CN 203727354U CN 201420065108 U CN201420065108 U CN 201420065108U CN 203727354 U CN203727354 U CN 203727354U
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- valve
- valve body
- rod
- piston rod
- main piston
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- 239000000203 mixture Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 230000003137 locomotive effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000014616 translation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to the field of relay valves, particularly to a proportional output adjustable novel relay valve. The proportional output adjustable novel relay valve comprises a valve body, an air supply cavity, an output cavity, an exhaust hole, a valve rod, an air valve and a moving assembly. The moving assembly comprises a main piston rod, an auxiliary piston rod and a balance rod, wherein the main piston rod is fixed at the bottom of the valve rod, the inside of the main piston rod is provided with a hollow cavity, the hollow cavity is communicated with the output cavity and the exhaust hole, a top air inlet of the hollow cavity is opened or closed through an air valve, the auxiliary piston rod control the main piston rod to move up through the balance rod, and the balance rod is connected with an adjusting unit. The proportional output adjustable novel relay valve is novel design and simple in structure, and by means of the aluminum casting technology, has the advantages of being high in sensitivity, accurate in control, stable in pressure output, compact in structure, high in integration level, small in size, light in weight and the like.
Description
Technical field
The utility model relates to relay valve field, and especially a kind of proportion adjustable of railway locomotive braking control system is exported novel relay valve.
Background technology
Locomotive relay valve is as the critical component of Locomotive Brake System, and the accurate pressure that gas circuit is amplified output just can complete failure-free braking, alleviation, pressure maintaining effect.
Modern railways train is fast-developing to rapid heavy loading, and the sensitivity of operating control mechanism, accuracy and the requirement of filling swept volume are also improved day by day.So modern locomotive is also indirect acting type to the control of train pipe atmospheric pressure: the equalizing reservoir and the relay facility that have injected a fixed volume between automatic brake valve and train pipe.Automatic brake valve is controlled the equalizing reservoir of low discharge, is mainly to realize high sensitivity and accuracy.Equalizing reservoir is controlled train pipe by relay facility, and the swept volume problem of filling of train pipe is solved by relay facility.At home, diesel locomotive JZ-7 type brake and electric locomotive DK-1 type brake have all adopted relay facility.But according to current utilization, also there are many problems in these relay facilities.Existing design is all the part using these relay structures as brake, and in being encompassed in, structure is very compact.The problem existing is, after relay facility breaks down or damages, cannot safeguard separately, must be by brake completely knocked down.Current design has proposed very high requirement to the assembling of the reliability of relay facility, product self, maintenance etc.And after internal part fault, user cannot disassemble maintenance or safeguard, can only change whole braking force control system, and fault part is returned to supplier, has increased product maintenance cost.
Utility model content
The technical problems to be solved in the utility model is: the proportion adjustable of control accurately in order to provide a kind of, Output pressure is stable, integrated level is high is exported novel relay valve.
The utility model solves the technical scheme that its technical matters adopts: a kind of proportion adjustable is exported novel relay valve, comprise valve body, in described valve body, be provided with for gas chamber, output chamber and deflation hole, in described valve body, be provided with valve rod, on described valve rod, be fixed with air valve, described Air Valve Control for the disconnection of gas chamber and output chamber be communicated with, and the disconnection of output chamber and deflation hole be communicated with, in described valve body, be provided with and control the movable component that air valve is opened or closed, described movable component comprises main piston rod, auxiliary piston bar and trammel beam, described main piston rod is fixed on stem bottom, in main piston rod, be provided with cavity, described cavity respectively with output chamber, deflation hole is communicated with, described cavity top admission port is opened or is closed by air valve, described auxiliary piston bar is controlled main piston rod by trammel beam and is risen, on described trammel beam, be connected with setting device, described setting device comprises adjustment screw rod, pivot shaft, guide rod and spacing blend stop, described pivot shaft balance support bar is also relative with trammel beam fixing, described guide rod supports is lived one end of pivot shaft, described adjustment screw rod runs through the other end the adjustable support axle parallel motion of pivot shaft.
Particularly, described air valve comprises O type circle and lower O type circle, and described upper O type circle, lower O type the circle respectively valve port of control valve body are opened or close, and described lower O type circle is controlled the unlatching of cavity admission port in main piston rod or closes.
Particularly, on described valve body, be provided with the first spring and floating cover, described the first spring pushing and pressing air valve, described floating cover compresses the first spring.
Particularly, described auxiliary piston masthead end is fixed with piston head, between described piston head and valve body, by the second spring, is connected, and described piston head compresses by top cover.
Particularly, described valve body comprises upper valve body and lower valve body, between upper valve body and lower valve body, detachably links, and described valve rod, main piston rod and auxiliary piston bar are arranged in upper valve body, and described trammel beam and setting device are arranged in lower valve body.
Particularly, between described main piston rod and upper valve body, be provided with piston dividing plate, the dummy piston at described piston membrane support main piston rod middle part, forms feedback chamber between described dummy piston and upper valve body, the indoor calibration nozzle that is communicated with output chamber that is provided with of described feedback cavity.
Particularly, between described dummy piston and feedback chamber, be provided with rubber diaphragm.
Particularly, described main piston rod, auxiliary piston bar bottom are fixed with respectively locating dowel pin, and described locating dowel pin leans with trammel beam two ends respectively.
Particularly, between described locating dowel pin and main piston rod or auxiliary piston bar, be provided with some pads.
Particularly, described adjustment screw rod end is fixed with guider screw, and described guider screw is controlled and adjusted screw translation.
The beneficial effects of the utility model are: a kind of proportion adjustable of the present utility model is exported novel relay valve, its modern design, simple structure, material adopts aluminum process, compare with traditional relay valve, have highly sensitive, control accurately, Output pressure is stable, compact conformation, integrated level is high, miniaturization, the feature such as lightweight, adopt rubber form, effectively realized the function that obtains accurately default delivery pressure and Flow amplification, failure rate is low, be convenient to maintenance, very durable, reliably, and the performance of air-channel system is very good, owing to adopting function module design, during relay valve parts et out of order, can directly change fault part, be convenient to very much safeguard.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the action principle figure that the utility model proportion adjustable is exported a preferred embodiment of novel relay valve;
Fig. 2 is that the utility model proportion adjustable is exported novel relay valve master and looked cutaway view;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is that the B-B of Fig. 2 is to cutaway view;
Fig. 5 is that the D-D of Fig. 4 is to cutaway view.
In figure: 1. valve body, 2.Gong gas chamber, 3. output chamber, 4. deflation hole, 5. valve rod, 6. air valve, 7. movable component, 8. main piston rod, 9. auxiliary piston bar, 10. trammel beam, 11. cavities, 12. setting devices, 13. adjust screw rod, 14. pivot shafts, 15. guide rods, 16. spacing blend stops, 17. first springs, 18. floating covers, 19. piston heads, 20. second springs, 21. top covers, 22. upper valve bodies, 23. times valve bodies, 24. piston dividing plates, 25. dummy pistons, 26. feedback chambers, 27. calibration nozzles, 28. rubber diaphragms, 29. locating dowel pins, 30. guider screws.
The specific embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figures 1 to 5, a kind of proportion adjustable is exported novel relay valve, comprise valve body 1, in valve body 1, be provided with for gas chamber 2, output chamber 3 and deflation hole 4, in valve body 1, be provided with valve rod 5, on valve rod 5, be fixed with air valve 6, air valve 6 control for the disconnection of gas chamber 2 and output chamber 3 be communicated with, and the disconnection of output chamber 3 and deflation hole 4 be communicated with, in valve body 1, be provided with and control the movable component 7 that air valve 6 is opened or closed, it is characterized in that: movable component 7 comprises main piston rod 8, auxiliary piston bar 9 and trammel beam 10, main piston rod 8 is fixed on valve rod 5 bottoms, in main piston rod 8, be provided with cavity 11, cavity 11 respectively with output chamber 3, deflation hole 4 is communicated with, cavity 11 top admission ports are opened or are closed by air valve 6, auxiliary piston bar 9 is controlled main piston rod 8 by trammel beam 10 and is risen, on trammel beam 10, be connected with setting device 12, setting device 12 comprises adjusts screw rod 13, pivot shaft 14, guide rod 15 and spacing blend stop 16, pivot shaft 14 balance support bars 10 are also relative with trammel beam 10 fixing, guide rod 15 supports one end of pivot shaft 14, adjust the other end adjustable support axle 14 parallel motions that screw rod 13 runs through pivot shaft 14, air valve 6 comprises O type circle and lower O type circle, upper O type circle, the lower O type circle respectively valve port of control valve body 1 is opened or closes, lower O type circle is controlled the unlatching of interior cavity 11 admission ports of main piston rod 8 or is closed, on valve body 1, be provided with the first spring 17 and floating cover 18, the first spring 17 pushing and pressing air valves 6, floating cover 18 compresses the first spring 17, auxiliary piston bar 9 tops are fixed with piston head 19, between piston head 19 and valve body 1, by the second spring 20 elasticity, be connected, piston head 19 compresses by top cover 21, valve body 1 comprises upper valve body 22 and lower valve body 23, between upper valve body 22 and lower valve body 23, detachably link, valve rod 5, main piston rod 8 and auxiliary piston bar 9 are arranged in upper valve body 22, trammel beam 10 and setting device 12 are arranged in lower valve body 23, between main piston rod 8 and upper valve body 22, be provided with piston dividing plate 24, piston dividing plate 24 supports the dummy piston 25 at main piston rod 8 middle parts, between dummy piston 25 and upper valve body 22, form feedback chamber 26, in feedback chamber 26, be provided with the calibration nozzle 27 that is communicated with output chamber 3, between dummy piston 25 and feedback chamber 26, be provided with rubber diaphragm 28, main piston rod 8, auxiliary piston bar 9 bottoms are fixed with respectively locating dowel pin 29, locating dowel pin 29 leans with trammel beam 10 two ends respectively, between locating dowel pin 29 and main piston rod 8 or auxiliary piston bar 9, be provided with some pads, adjust screw rod 13 ends and be fixed with guider screw 30, guider screw 30 is controlled and is adjusted screw rod 13 translations.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (10)
1. a proportion adjustable is exported novel relay valve, comprise valve body (1), in described valve body (1), be provided with for gas chamber (2), output chamber (3) and deflation hole (4), in described valve body (1), be provided with valve rod (5), on described valve rod (5), be fixed with air valve (6), described air valve (6) control for gas chamber (2) and the disconnection of exporting chamber (3) be communicated with, and the disconnection of output chamber (3) and deflation hole (4) be communicated with, in described valve body (1), be provided with and control the movable component (7) that air valve (6) is opened or closed, it is characterized in that: described movable component (7) comprises main piston rod (8), auxiliary piston bar (9) and trammel beam (10), described main piston rod (8) is fixed on valve rod (5) bottom, in main piston rod (8), be provided with cavity (11), described cavity (11) respectively with output chamber (3), deflation hole (4) is communicated with, described cavity (11) top admission port is opened or is closed by air valve (6), described auxiliary piston bar (9) is controlled main piston rod (8) by trammel beam (10) and is risen, on described trammel beam (10), be connected with setting device (12), described setting device (12) comprises adjusts screw rod (13), pivot shaft (14), guide rod (15) and spacing blend stop (16), described pivot shaft (14) balance support bar (10) is also relative fixing with trammel beam (10), described guide rod (15) supports one end of pivot shaft (14), described adjustment screw rod (13) runs through the other end adjustable support axle (14) parallel motion of pivot shaft (14).
2. proportion adjustable as claimed in claim 1 is exported novel relay valve, it is characterized in that: described air valve (6) comprises O type circle and lower O type circle, described upper O type circle, lower O type the circle respectively valve port of control valve body (1) are opened or close, and described lower O type circle is controlled the unlatching of the interior cavity of main piston rod (8) (11) admission port or closes.
3. proportion adjustable as claimed in claim 1 is exported novel relay valve, it is characterized in that: on described valve body (1), be provided with the first spring (17) and floating cover (18), described the first spring (17) pushing and pressing air valve (6), described floating cover (18) compresses the first spring (17).
4. proportion adjustable as claimed in claim 1 is exported novel relay valve, it is characterized in that: described auxiliary piston bar (9) top is fixed with piston head (19), between described piston head (19) and valve body (1), by the second spring (20) elasticity, be connected, described piston head (19) compresses by top cover (21).
5. proportion adjustable as claimed in claim 1 is exported novel relay valve, it is characterized in that: described valve body (1) comprises upper valve body (22) and lower valve body (23), between upper valve body (22) and lower valve body (23), detachably link, described valve rod (5), main piston rod (8) and auxiliary piston bar (9) are arranged in upper valve body (22), and described trammel beam (10) and setting device (12) are arranged in lower valve body (23).
6. proportion adjustable as claimed in claim 5 is exported novel relay valve, it is characterized in that: between described main piston rod (8) and upper valve body (22), be provided with piston dividing plate (24), described piston dividing plate (24) supports the dummy piston (25) at main piston rod (8) middle part, between described dummy piston (25) and upper valve body (22), form feedback chamber (26), in described feedback chamber (26), be provided with the calibration nozzle (27) that is communicated with output chamber (3).
7. proportion adjustable as claimed in claim 6 is exported novel relay valve, it is characterized in that: between described dummy piston (25) and feedback chamber (26), be provided with rubber diaphragm (28).
8. proportion adjustable as claimed in claim 1 is exported novel relay valve, it is characterized in that: described main piston rod (8), auxiliary piston bar (9) bottom are fixed with respectively locating dowel pin (29), and described locating dowel pin (29) leans with trammel beam (10) two ends respectively.
9. proportion adjustable as claimed in claim 8 is exported novel relay valve, it is characterized in that: between described locating dowel pin (29) and main piston rod (8) or auxiliary piston bar (9), be provided with some pads.
10. proportion adjustable as claimed in claim 1 is exported novel relay valve, it is characterized in that: described adjustment screw rod (13) end is fixed with guider screw (30), and described guider screw (30) is controlled and adjusted screw rod (13) translation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065108.4U CN203727354U (en) | 2014-02-13 | 2014-02-13 | Proportional output adjustable novel relay valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065108.4U CN203727354U (en) | 2014-02-13 | 2014-02-13 | Proportional output adjustable novel relay valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203727354U true CN203727354U (en) | 2014-07-23 |
Family
ID=51197449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420065108.4U Expired - Lifetime CN203727354U (en) | 2014-02-13 | 2014-02-13 | Proportional output adjustable novel relay valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203727354U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882175A (en) * | 2017-04-01 | 2017-06-23 | 眉山中车制动科技股份有限公司 | Application valve and rail vehicle braking system |
| CN112959990A (en) * | 2021-03-30 | 2021-06-15 | 吉林大学 | Brake proportional valve of small and medium-sized all-terrain off-road vehicle |
| WO2023070416A1 (en) * | 2021-10-28 | 2023-05-04 | 眉山中车制动科技股份有限公司 | Relay valve |
-
2014
- 2014-02-13 CN CN201420065108.4U patent/CN203727354U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882175A (en) * | 2017-04-01 | 2017-06-23 | 眉山中车制动科技股份有限公司 | Application valve and rail vehicle braking system |
| CN112959990A (en) * | 2021-03-30 | 2021-06-15 | 吉林大学 | Brake proportional valve of small and medium-sized all-terrain off-road vehicle |
| WO2023070416A1 (en) * | 2021-10-28 | 2023-05-04 | 眉山中车制动科技股份有限公司 | Relay valve |
| EP4230488A4 (en) * | 2021-10-28 | 2024-02-14 | Meishan CRRC Brake Science&Technologyco., Ltd | Relay valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |