CN113581243B - Antiskid device exhaust valve for train braking - Google Patents
Antiskid device exhaust valve for train braking Download PDFInfo
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- CN113581243B CN113581243B CN202110830521.XA CN202110830521A CN113581243B CN 113581243 B CN113581243 B CN 113581243B CN 202110830521 A CN202110830521 A CN 202110830521A CN 113581243 B CN113581243 B CN 113581243B
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- iron core
- valve body
- movable iron
- flow channel
- air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
- B61H11/10—Aerodynamic brakes with control flaps, e.g. spoilers, attached to the vehicles
Abstract
The invention relates to the technical field of train braking equipment, and discloses an antiskid device exhaust valve for train braking. The air inlet, the air injection outlet and the air outlet are formed in the valve body and are matched with the first straight flow channel, the second straight flow channel and the shunt channel in the movable iron core, and the movable iron core is controlled by the coil and the electromagnet to be switched on and off, so that the air inlet and the air injection outlet are continuously matched with the first straight flow channel, the second straight flow channel and the shunt channel under different power-on and power-off conditions of the electromagnet and the coil, and further the state control of inflation, exhaust and pressure maintaining of the brake cylinder is achieved.
Description
Technical Field
The invention relates to the technical field of train braking equipment, in particular to an antiskid unit exhaust valve for train braking.
Background
When the rail vehicle brakes, the brake force generated by the brake shoe or the brake disc is used for decelerating the train through the acting force between the wheel and the rail, however, if the brake force is too large or the adhesion coefficient of the wheel and the rail is reduced, the wheel can be locked to slide, the sliding can not only cause the reduction of the brake resistance of the train, but also increase the brake distance, and can also scratch the wheel, thereby influencing the safe and stable running of the train, an electronic anti-skid device is needed for adjusting the brake force of the brake shoe, whether the wheel slides is sensed through a speed sensor, a signal is transmitted to a host for processing, the work of the anti-skid exhaust valve is controlled to adjust the discharge and the re-ventilation of the brake cylinder, and the control of the brake force of the brake shoe is achieved.
The existing antiskid exhaust valve controls a movable iron core through an electromagnet, and controls the operation of a diaphragm valve under the action of air pressure and a spring to achieve the access control of a flow channel, so that when the two electromagnets are not electrified, compressed air enters from an inlet, one part of the compressed air flows to a first magnet to be blocked, the other part of the compressed air flows to the back of a second diaphragm valve to be blocked and pressurized through the second magnet, the first diaphragm valve and the second diaphragm valve move, the compressed air can directly flow to a brake cylinder from the inlet through the front of the first diaphragm valve and the front of the second diaphragm valve and then flows out from an outlet to finish inflation, when the two electromagnets are charged simultaneously, the compressed air flows to the back of the first diaphragm valve through the first electromagnet and does not flow to the second electromagnet, the air in a brake can enter the second diaphragm valve to be exhausted from an exhaust port to be exhausted, when the first electromagnet is electrified, the compressed air flows through the first and the second electromagnets, the back pressure boost that flows into diaphragm valve one and two for import, export and air exit are each other not communicated, reach the pressurize state, and when the circular telegram of solenoid valve two, make import, export and air exit communicate each other.
The existing antiskid exhaust valve is formed by the cooperation installation of a middle body, a valve coil and two side plates, an electromagnet is installed in the valve coil, a membrane valve is installed in the middle body, pipelines are arranged among all parts to be communicated, the pipelines are distributed in a three-dimensional staggered mode, the air exhaust valve is difficult to punch and manufacture and align, air passes through the membrane valve, dust is easy to accumulate to cause the problem of sealing deterioration, and the membrane valve deforms repeatedly under the action of air pressure and is easy to damage.
Disclosure of Invention
The invention provides an antiskid unit exhaust valve for train braking, which has the advantages of simple structure and assembly and no need of arranging a diaphragm valve, and solves the problems that the functions of inflation, exhaust and pressure maintaining control disappear due to the trouble of arranging three-dimensionally staggered flow passages, complex structure, easy damage and air leakage of the diaphragm valve.
The invention provides the following technical scheme: an antiskid exhaust valve for train braking comprises a valve body, wherein a gas inlet is formed in one side of the valve body, a gas injection outlet is formed in the other side of the valve body and coaxially matched with the gas inlet, an air outlet is formed in the middle of the top of the valve body, a cross connecting ring is movably sleeved at the top of an inner cavity of the valve body, a volute spiral spring is fixedly sleeved between the outer surface of the upper part of the cross connecting ring and the inner surface of the valve body, a movable iron core is movably sleeved in the inner cavity of the valve body and movably sleeved with the volute spiral spring, a straight flow channel I is transversely formed below the inner part of the movable iron core, a flow outlet channel is vertically formed in the upper part of the middle part of the movable iron core, a straight flow channel II is transversely formed in the inner part of the movable iron core and positioned above the straight flow channel I and communicated with the flow outlet channel, a flow distribution channel is vertically formed in the inner part of the movable iron core and is fixedly installed on the bottom surface of the movable iron core, the fixed cover of lower part of valve body inner chamber is equipped with the electro-magnet, the fixed cover in upper portion of valve body is equipped with the iron core ring, the both sides of iron core ring lower part are around there being the coil.
Preferably, the periphery of the lower part of the cross connecting ring is integrally formed with a lug which is matched with the movable iron core, and the cross connecting ring can only slide up and down in the movable iron core.
Preferably, a magnet ring is provided on an outer surface of the upper portion of the movable core, and has a magnetic pole direction that is opposite to the magnetic pole direction of the coil after the coil is energized.
Preferably, the movable iron core is in contact fit with the inner wall of the valve body, and sealing gaskets are fixedly mounted at contact positions of the first direct flow channel, the second direct flow channel and the branch flow channel with the inner wall of the valve body.
Preferably, the coils on two sides are connected in series, and the winding directions of the coils on two sides are opposite.
The invention has the following beneficial effects:
the air inlet, the air injection outlet and the air outlet are formed in the valve body and are matched with the first straight flow channel, the second straight flow channel and the shunt channel in the movable iron core, and the movable iron core is controlled by the coil and the electromagnet to be switched on and off, so that the air inlet and the air injection outlet are continuously matched with the first straight flow channel, the second straight flow channel and the shunt channel under different power-on and power-off conditions of the electromagnet and the coil, and further the state control of inflation, exhaust and pressure maintaining of the brake cylinder is achieved.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional structure of the electromagnet and coil of the present invention with both power off;
FIG. 2 is a schematic top cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of an electrically powered cross-sectional structure of both the electromagnet and the coil of the present invention;
FIG. 4 is a schematic diagram of the cross-sectional view of the electromagnet deenergizing coil according to the present invention;
FIG. 5 is a schematic diagram of a power-off cross-sectional structure of an electromagnet energizing coil according to the present invention.
In the figure: 1. a valve body; 2. a gas receiving inlet; 3. a gas injection outlet; 4. an air outlet; 5. a cross connecting ring; 6. a volute spiral spring; 7. a movable iron core; 8. a first straight flow channel; 9. discharging the flow channel; 10. a second straight flow channel; 11. a shunt; 12. a spring; 13. an electromagnet; 14. an iron core ring; 15. and a coil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an antiskid exhaust valve for train braking comprises a valve body 1, a gas inlet 2 is disposed on one side of the valve body 1, a gas injection outlet 3 is disposed on the other side of the valve body 1 and coaxially matched with the gas inlet 2, a gas outlet 4 is disposed in the middle of the top of the valve body 1, a cross connecting ring 5 is movably sleeved on the top of an inner cavity of the valve body 1, a protruding block is integrally formed around the lower portion of the cross connecting ring 5 and matched with a movable iron core 7, the cross connecting ring 5 can only slide up and down in the movable iron core 7, so that the movable iron core 7 can drive the cross connecting ring 5 to rotate when rotating, a volute spring 6 is tightly rotated, after a coil 15 is de-magnetized due to power failure, the movable iron core 7 can return under the elastic force of the volute spring 6, and it is ensured that a straight runner 8 is matched with the gas inlet 2 and the gas injection outlet 3 under the condition of power failure, so as to inflate a brake cylinder, a volute spring 6 is fixedly sleeved between the outer surface of the upper part of the cross connecting ring 5 and the inner surface of the valve body 1, a movable iron core 7 is movably sleeved in an inner cavity of the valve body 1 and is movably sleeved with the volute spring 6, a magnet ring is arranged on the outer surface of the upper part of the movable iron core 7, the magnetic pole direction of the magnet ring is towards two sides and is vertical to the magnetic pole direction after the coil 15 is electrified and magnetized, the opposite magnetic poles of a magnetic ring on the surface of the movable iron core 7 are attracted, so that the movable iron core 7 is driven to rotate ninety degrees, the diversion channel 11 can be matched with the gas injection outlet 3 to exhaust and release pressure for the brake cylinder, a straight flow channel I8 is transversely arranged below the interior of the movable iron core 7, a flow outlet channel 9 is vertically arranged on the upper part of the middle part of the movable iron core 7, a straight flow channel II 10 is transversely arranged above the straight flow channel I8 and is communicated with the flow outlet channel 9, and a diversion channel 11 is transversely arranged inside the movable iron core 7 and is vertical to the straight flow channel II 10, the movable iron core 7 is in contact fit with the inner wall of the valve body 1, a sealing gasket is fixedly arranged at the contact part of the first straight flow channel 8, the second straight flow channel 10 and the sub-flow channel 11 and the inner wall of the valve body 1, so that the first straight flow channel 8, the second straight flow channel 10 and the sub-flow channel 11 can not leak gas when contacting with the inner wall of the valve body 1, gas can be ensured to circulate in the communication channel, the gas pressure can not change, and the pressure change in the brake cylinder can be accurately controlled, the spring 12 is fixedly arranged on the bottom surface of the movable iron core 7, the lower part of the inner cavity of the valve body 1 is fixedly sleeved with the electromagnet 13, the upper part of the valve body 1 is fixedly sleeved with the iron core ring 14, the two sides of the lower part of the iron core ring 14 are wound with coils 15, the two sides of the coils 15 are connected in series, the winding directions of the two sides of the coils 15 are opposite, the magnetic pole directions generated after the coils 15 are wound, and further the coils 15 can attract the magnetic ring on the outer surface of the upper part of the movable iron core 7, the movable iron core 7 is rotated, and the sub-channel 11 is matched with the gas injection outlet 3, so that the pressure discharge effect on the brake cylinder is achieved.
The working principle of the antiskid exhaust valve is as follows:
when the electromagnet 13 and the coil 15 are powered off simultaneously, the straight flow passage I8 is matched with the air inlet 2 and the air injection outlet 3, compressed air output by a distribution valve connected with the air inlet 2 can enter the brake cylinder through the air injection outlet 3 to be inflated to achieve the braking effect, when the electromagnet 13 and the coil 15 are powered on simultaneously, the electromagnet 13 attracts the movable iron core 7 to compress the spring 12 to descend, the coil 15 attracts a magnetic ring on the outer surface of the upper part of the movable iron core 7 to drive the movable iron core 7 to rotate ninety degrees, the shunt passage 11 is matched with the air injection outlet 3 at the moment, air in the brake cylinder enters the shunt passage 11 through the air injection outlet 3 and then fills the straight flow passage II 10 to be blocked by the inner wall of the valve body 1, the air passes through the cross-shaped connecting ring 5 and the air outlet 4 from the outflow passage 9 to be exhausted to the brake cylinder, when the coil 15 is powered on, the electromagnet 13 is not powered on, the air inlet 2 and the air injection outlet 3 are not matched with the straight flow passage I8, The straight flow channel II 10 is communicated with the branch flow channel 11, the gas receiving inlet 2, the gas injection outlet 3 and the exhaust outlet 4 are mutually independent, the pressure maintaining effect on the brake cylinder is achieved, when the coil 15 is not electrified, the electromagnet 13 is electrified, the gas receiving inlet 2 and the gas injection outlet 3 are communicated with the straight flow channel II 10, gas enters the branch flow channel 11 and is blocked by the inner wall of the valve body 1, and the gas is conveyed from the outflow channel 9 to the exhaust outlet 4 to be discharged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a train is antiskid ware exhaust valve for braking, includes valve body (1), its characterized in that: the air inlet (2) is arranged at one side of the valve body (1), the air injection outlet (3) is arranged at the other side of the valve body (1) and coaxially matched with the air inlet (2), the air outlet (4) is arranged at the middle part of the top of the valve body (1), a cross connecting ring (5) is movably sleeved at the top of an inner cavity of the valve body (1), a volute spring (6) is fixedly sleeved between the outer surface of the upper part of the cross connecting ring (5) and the inner surface of the valve body (1), a movable iron core (7) is movably sleeved in the inner cavity of the valve body (1) and the volute spring (6), a straight flow channel I (8) is transversely arranged below the inner part of the movable iron core (7), an outlet flow channel (9) is vertically arranged at the upper part of the middle part of the movable iron core (7), a straight flow channel II (10) is transversely arranged in the inner part of the movable iron core (7) and is communicated with the outlet flow channel (9), move the inside of iron core (7) and vertically seted up subchannel (11) with direct current way two (10), the bottom surface fixed mounting who moves iron core (7) has spring (12), the lower partial fixed cover of valve body (1) inner chamber is equipped with electro-magnet (13), the fixed cover in upper portion of valve body (1) is equipped with iron core ring (14), iron core ring (14) both sides of lower part are around there being coil (15).
2. The air exhaust valve of the antiskid device for train braking as claimed in claim 1, wherein: the periphery of the lower part of the cross connecting ring (5) is integrally formed with a convex block matched with the movable iron core (7), and the cross connecting ring (5) can only slide up and down in the movable iron core (7).
3. The air exhaust valve of the antiskid device for train braking as claimed in claim 1, wherein: the outer surface of the upper part of the movable iron core (7) is provided with a magnet ring, and the magnetic pole direction of the magnet ring is towards two sides and is vertical to the magnetic pole direction of the electrified coil (15).
4. The air exhaust valve of the antiskid device for train braking as claimed in claim 1, wherein: the movable iron core (7) is in contact fit with the inner wall of the valve body (1), and a sealing gasket is fixedly arranged at the contact position of the direct current channel I (8), the direct current channel II (10), the sub-channel (11) and the inner wall of the valve body (1).
5. The air exhausting valve of an antiskid device for train braking as claimed in claim 1, wherein: the coils (15) on the two sides are connected in series, and the winding directions of the coils (15) on the two sides are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110830521.XA CN113581243B (en) | 2021-07-22 | 2021-07-22 | Antiskid device exhaust valve for train braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110830521.XA CN113581243B (en) | 2021-07-22 | 2021-07-22 | Antiskid device exhaust valve for train braking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113581243A CN113581243A (en) | 2021-11-02 |
| CN113581243B true CN113581243B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110830521.XA Active CN113581243B (en) | 2021-07-22 | 2021-07-22 | Antiskid device exhaust valve for train braking |
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| CN (1) | CN113581243B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2262247A1 (en) * | 1972-12-20 | 1974-06-27 | Teves Gmbh Alfred | ELECTROMAGNETIC VALVE |
| DE19650884A1 (en) * | 1995-12-11 | 1997-06-12 | Avl List Gmbh | Magnetic valve |
| JP2001289018A (en) * | 2000-04-10 | 2001-10-19 | Mitsubishi Electric Corp | Electromagnetic driving device for valve |
| CN102673603A (en) * | 2012-05-24 | 2012-09-19 | 西南交通大学 | Anti-skidding exhaust valve |
| CN104442899A (en) * | 2014-11-18 | 2015-03-25 | 青岛雷尔威机械制造有限公司 | Rail vehicle braking antiskid device |
| CN204533708U (en) * | 2014-12-31 | 2015-08-05 | 无锡纵阳气动制造有限公司 | The anti-skidding exhaust valve of a kind of narrow meshed railroad train |
| CN106184277A (en) * | 2016-08-31 | 2016-12-07 | 瑞立集团瑞安汽车零部件有限公司 | A kind of anti-skidding exhaust valve |
-
2021
- 2021-07-22 CN CN202110830521.XA patent/CN113581243B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2262247A1 (en) * | 1972-12-20 | 1974-06-27 | Teves Gmbh Alfred | ELECTROMAGNETIC VALVE |
| DE19650884A1 (en) * | 1995-12-11 | 1997-06-12 | Avl List Gmbh | Magnetic valve |
| JP2001289018A (en) * | 2000-04-10 | 2001-10-19 | Mitsubishi Electric Corp | Electromagnetic driving device for valve |
| CN102673603A (en) * | 2012-05-24 | 2012-09-19 | 西南交通大学 | Anti-skidding exhaust valve |
| CN104442899A (en) * | 2014-11-18 | 2015-03-25 | 青岛雷尔威机械制造有限公司 | Rail vehicle braking antiskid device |
| CN204533708U (en) * | 2014-12-31 | 2015-08-05 | 无锡纵阳气动制造有限公司 | The anti-skidding exhaust valve of a kind of narrow meshed railroad train |
| CN106184277A (en) * | 2016-08-31 | 2016-12-07 | 瑞立集团瑞安汽车零部件有限公司 | A kind of anti-skidding exhaust valve |
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| Publication number | Publication date |
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| CN113581243A (en) | 2021-11-02 |
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Effective date of registration: 20220802 Address after: 266000 No. 166, Minhe street, Huangdao District, Qingdao, Shandong Province (west side of Wande Road, Jiaonan Economic Development Zone) Applicant after: Qingdao Ziyuan Machinery Co.,Ltd. Address before: 510000 No. 9, Shangcun team, Xintian village, Wenquan Town, Conghua District, Guangzhou City, Guangdong Province Applicant before: Zeng Cuihua |
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