CN113942482A - System and method for automatically draining main air reservoir of railway vehicle - Google Patents
System and method for automatically draining main air reservoir of railway vehicle Download PDFInfo
- Publication number
- CN113942482A CN113942482A CN202111444804.7A CN202111444804A CN113942482A CN 113942482 A CN113942482 A CN 113942482A CN 202111444804 A CN202111444804 A CN 202111444804A CN 113942482 A CN113942482 A CN 113942482A
- Authority
- CN
- China
- Prior art keywords
- air cylinder
- main air
- wall
- drain
- surface wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 230000003584 silencer Effects 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000003137 locomotive effect Effects 0.000 claims description 4
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/004—Draining and drying devices
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/008—Silencer devices
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a system and a method for automatically draining a main air cylinder of a railway vehicle, which comprises the following steps: the automatic drainage device comprises a bearing frame, an air compressor, a TCMC and an air cylinder, wherein the bottom of the bearing frame is provided with a ring groove, and the bottom of the inner wall of the ring groove is fixedly provided with a main air cylinder, the conducting ring is electrified, then the current is conducted to the inside of the copper coil, and the magnetic field is formed to rotate after contacting with the solenoid valve, the working state of the drain valve is changed, water flow is guided by the drain pipe to drain, in order to reduce the noise generated in the draining process, the silencer is arranged on the surface of the drain pipe to reduce the noise generated during air exhaust, the main air cylinder can be automatically and regularly drained and exhausted by using the way that the system and the device are mutually matched, can automatic action when the vehicle operation, solve manual operation and need the vehicle stop the time problem that can only operate, effective reservoir ponding causes the harm to other parts in the equipment and operation system.
Description
Technical Field
The invention relates to the technical field of air reservoir drainage, in particular to a system and a method for automatically draining a main air reservoir of a railway vehicle.
Background
Rail vehicles, which are road railway vehicles (rails capable of running on roads and tracks) equipped with couplers for moving a few cars in various local sidings or yards, are widely used by railway customers because they are cheaper than having a switching locomotive, more convenient and cheaper than paying money to a railway operator for switching, easier and more efficient than manually moving cars, and because they have more uses, they are more versatile in that they can be driven by a steering wheel to a car to be moved without the need for clear track.
The rail vehicle using compressed air is provided with the air reservoir in the system for storing the compressed air, under the general condition, the compressed air is processed by the drying and filtering equipment and then enters the system, when the drying and filtering equipment breaks down or drying media are aged and the like, the non-dried compressed air enters the system, residual moisture in the air reservoir is caused, the moisture enters the system, metal parts and pipelines are corroded, and even the function failure is caused.
However, the existing drainage equipment has the following problems:
unable automatic drainage needs artifical manual operation, can't regularly operate automatically, can't operate when the vehicle operation, in case the reservoir ponding appears at vehicle operation in-process, perhaps overhauls not regularly carry out the drainage operation, probably will cause reservoir ponding, causes the harm to other parts in the equipment and operation system.
We have therefore proposed a system and method for automatically draining a rail vehicle reservoir in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a system and a method for automatically draining water from a main reservoir of a railway vehicle, which aim to solve the problems that the system and the method can automatically drain and exhaust the main reservoir at fixed time, can automatically act when the vehicle runs, and can be operated manually and only when the vehicle stops.
In order to achieve the purpose, the invention provides the following technical scheme: a system and method for automatically draining a rail vehicle main reservoir includes: the automatic drainage action equipment comprises a bearing frame, an air compressor, a TCMC and an air cylinder;
the bottom of the bearing frame is provided with a ring groove, the bottom of the inner wall of the ring groove is fixedly provided with a main air cylinder, one side of the outer wall of the bearing frame is welded with a limiting sleeve frame, and the inner surface wall of the limiting sleeve frame is fixedly sleeved on the outer surface wall of the main air cylinder;
the limiting sleeve frame effectively supports and limits the main air cylinder, and prevents the locomotive from shaking in the moving process, so that the position of the main air cylinder deviates;
the outer surface wall of the main air cylinder is provided with a round hole A, the inner surface wall of the round hole A is fixedly inserted with a connector, the water inlet of the connector is communicated with the main air cylinder, one side of the outer wall of the connector is provided with a round hole B, the inner surface wall of the round hole B is fixedly provided with a sealing ring, and the inner surface wall of the sealing ring is fixedly inserted with an external pipe;
the sealing ring is used for eliminating a gap between the outer wall of the external connecting pipe and the inner wall of the joint, and the overall sealing performance of the equipment is improved.
Preferably, the outer surface wall of the external connecting pipe is fixedly sleeved with a protective shell, and the water outlet end of the external connecting pipe is communicated with the inside of the protective shell.
Preferably, the top of the protective shell is provided with a mounting hole, the bottom of the inner wall of the mounting hole is fixedly provided with a conducting ring, and the outer wall of the conducting ring is wound with a plurality of groups of copper coils;
after the conducting ring is electrified, the current generated in the conducting ring is gradually converged into the copper coil, and a corresponding magnetic field is formed in the mounting hole.
Preferably, electromagnetic valves are movably arranged between the outer surface walls of the multiple groups of copper coils, transmission rods are fixedly arranged at the bottoms of the electromagnetic valves, and the bottoms of the transmission rods penetrate through the bottoms of the inner parts of the mounting holes and extend into the protective shell;
after the magnetic field formed by the electromagnetic valve and the mounting hole is contacted, the kinetic energy required by the rotation of the electromagnetic valve is obtained, and the transmission rod on the electromagnetic valve is driven to perform quick rotation in the protective shell.
Preferably, a drain valve is movably arranged in the protective shell, and an inner surface wall of the drain valve is fixedly sleeved on an outer surface wall of the transmission rod;
the inside of drain valve control protective housing opens and shuts and closes.
Preferably, the water outlet end of the protective shell is fixedly communicated with a drain pipe;
and the water drainage pipe guides water flow and quickly discharges the water flow out of the equipment when the main air cylinder needs to drain water.
Preferably, the outer wall of the drain pipe is fixedly sleeved with a silencer;
the muffler effectively absorbs the sound of the water source flowing in the drain pipe.
Preferably, the output end of the air compressor is in signal connection with the input end of the TCMC;
the air compressor mainly provides data analysis for the TCMC through the internal operation state.
Preferably, the output end of the TCMC is in signal connection with the input end of the automatic air cylinder drainage action equipment;
and after the automatic air cylinder drainage action equipment receives the drainage signal sent by the TCMC, the automatic air cylinder drainage action equipment rapidly performs a series of drainage actions.
Preferably, the power supply in the equipment is completed by a main air pipe line and is evenly distributed into the electromagnetic valve, the drain valve and the silencer.
Compared with the prior art, the invention has the beneficial effects that:
the invention collects the running state signal of the air compressor through TCMC, controls the main air cylinder to automatically drain water after the air compressor stops running, conducts the current in the conducting ring to the inside of the copper coil after electrifying the conducting ring, forms a magnetic field to rotate after contacting with the solenoid valve, changes the working state of the drain valve, leads the water flow to be guided by the drain pipe for draining water, and in order to reduce the noise generated in the draining process, a silencer is arranged on the surface of the drain pipe to reduce the noise generated in the air exhausting process.
Drawings
FIG. 1 is a perspective view of a front view of a rail vehicle reservoir automatic draining system and method of the present invention;
FIG. 2 is a side elevation perspective view of a system and method for automatically draining a rail vehicle reservoir according to the present invention;
FIG. 3 is a perspective view of a front structure of a system and method for automatically draining a rail vehicle reservoir according to the present invention;
FIG. 4 is a diagram of a signal sink system for a system and method for automatically draining a rail vehicle reservoir according to the present invention;
FIG. 5 is a schematic diagram of an air path in the system and method for automatically draining the main reservoir of a railway vehicle according to the present invention.
In the figure: 1. a carrier; 2. a limiting sleeve frame; 3. a total reservoir; 4. a joint; 5. a seal ring; 6. an external connection pipe; 7. a protective housing; 8. conducting rings; 9. a copper coil; 10. an electromagnetic valve; 11. a drain valve; 12. a drain pipe; 13. a muffler; 14. an air compressor; 15. TCMC; 16. automatic drainage action equipment of reservoir.
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 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, the present invention provides a technical solution: a system and method for automatically draining a rail vehicle main reservoir includes: the automatic water draining device comprises a bearing frame 1, an air compressor 14, a TCMC15 and an air cylinder automatic water draining action device 16, wherein the bottom of the bearing frame 1 is provided with an annular groove, the bottom of the inner wall of the annular groove is fixedly provided with a main air cylinder 3, one side of the outer wall of the bearing frame 1 is welded with a limiting sleeve frame 2, the inner surface wall of the limiting sleeve frame 2 is fixedly sleeved on the outer surface wall of the main air cylinder 3, the limiting sleeve frame 2 effectively supports and limits the main air cylinder 3 to prevent a locomotive from shaking in the movement process to enable the position of the main air cylinder 3 to deviate, the outer surface wall of the main air cylinder 3 is provided with a circular hole A, the inner surface wall of the circular hole A is fixedly inserted with a joint 4, the water inlet of the joint 4 is communicated with the main air cylinder 3, one side of the outer wall of the joint 4 is provided with a circular hole B, the inner surface wall of the circular hole B is fixedly provided with a sealing ring 5, the inner surface wall of the sealing ring 5 is fixedly inserted with an outer pipe 6, and the sealing ring 5 is used for eliminating a gap between the outer wall of the outer pipe 6 and the inner wall of the joint 4, the whole leakproofness of equipment is increased, the system and the device are matched to automatically drain and exhaust the main air cylinder 3 at regular time, the automatic operation can be realized when the vehicle runs, and the problem that the vehicle can be operated only when the vehicle stops due to manual operation is solved.
According to the figures 1-3, the outer surface wall of the external connection tube 6 is fixedly sleeved with a protective shell 7, and the water outlet end of the external connection tube 6 is communicated with the inside of the protective shell 7.
As shown in fig. 1-3, a mounting hole is formed in the top of the protective housing 7, a conductive ring 8 is fixedly mounted at the bottom of the inner wall of the mounting hole, a plurality of groups of copper coils 9 are wound around the outer wall of the conductive ring 8, and the current generated in the conductive ring 8 after being powered on gradually converges in the copper coils 9 and forms a corresponding magnetic field in the mounting hole.
According to the figures 1-3, an electromagnetic valve 10 is movably arranged between the outer surface walls of the multiple groups of copper coils 9, a transmission rod is fixedly arranged at the bottom of the electromagnetic valve 10, the bottom of the transmission rod penetrates through the bottom of the inner part of the mounting hole and extends into the protective shell 7, and after the electromagnetic valve 10 is contacted with a magnetic field formed by the mounting hole, kinetic energy required by rotation of the electromagnetic valve 10 is obtained, and the transmission rod on the electromagnetic valve is driven to perform quick corner turning in the protective shell 7.
According to the figures 1-3, a drain valve 11 is movably arranged inside the protective shell 7, an inner surface wall of the drain valve 11 is fixedly sleeved on an outer surface wall of the transmission rod, and the drain valve 11 controls the inside of the protective shell 7 to open and close.
According to the figures 1-3, the water outlet end of the protective casing 7 is fixedly communicated with a water outlet pipe 12, and the water outlet pipe 12 guides water flow to be quickly discharged out of the equipment when the main reservoir 3 is about to discharge water.
According to fig. 1-3, a silencer 13 is fixedly sleeved on the outer wall of the drain pipe 12, and the silencer 13 effectively absorbs the sound of the water flowing in the drain pipe 12.
Referring to fig. 4, the output of the air compressor 14 is in signal communication with the input of the TCMC15, and the air compressor 14 provides data analysis for the TCMC15 primarily through internal operating conditions.
According to the illustration of fig. 4, the output terminal of the TCMC15 is in signal connection with the input terminal of the reservoir automatic drain actuation device 16, and the reservoir automatic drain actuation device 16 receives the drain signal sent by the TCMC15 and then rapidly performs a series of drain actions.
According to fig. 5, the power supply in the apparatus is done by the main air line and is equally distributed to the solenoid valve 10, the drain valve 11 and the silencer 13.
The effect that its whole equipment reaches is: the system comprises an air compressor 14, a TCMC15 and an air reservoir automatic drainage action device 16, wherein the air reservoir automatic drainage action device 16 mainly comprises an action device composed of an electromagnetic valve 10, a drainage valve 11 and a silencer 13, and the adopted method is as follows: the TCMC15 collects the running state signal of the air compressor 14, controls the main air cylinder 3 to automatically drain water after the air compressor 14 stops running, conducts current to the inside of the copper coil 9 after the conducting ring 8 is electrified, forms a magnetic field to rotate after being contacted with the electromagnetic valve 10, changes the working state of the drain valve 11, leads water flow to be guided by the drain pipe 12 to drain water, and is provided with a silencer 13 on the surface of the drain pipe 12 to reduce noise generated in the process of draining water.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A system and a method for automatically draining a main air reservoir of a railway vehicle are characterized in that: the method comprises the following steps: the automatic drainage device comprises a bearing frame (1), an air compressor (14), a TCMC (15) and automatic cylinder drainage action equipment (16);
the bottom of the bearing frame (1) is provided with a ring groove, the bottom of the inner wall of the ring groove is fixedly provided with a main air cylinder (3), one side of the outer wall of the bearing frame (1) is welded with a limiting sleeve frame (2), and the inner surface wall of the limiting sleeve frame (2) is fixedly sleeved on the outer surface wall of the main air cylinder (3);
the limiting sleeve frame (2) effectively supports and limits the main air cylinder (3), and prevents the locomotive from shaking in the moving process, so that the position of the main air cylinder (3) deviates;
a circular hole A is formed in the outer surface wall of the main air cylinder (3), a connector (4) is fixedly inserted into the inner surface wall of the circular hole A, a water inlet of the connector (4) is communicated with the main air cylinder (3), a circular hole B is formed in one side of the outer wall of the connector (4), a sealing ring (5) is fixedly installed on the inner surface wall of the circular hole B, and an external connecting pipe (6) is fixedly inserted into the inner surface wall of the sealing ring (5);
the sealing ring (5) is used for eliminating a gap between the outer wall of the outer connecting pipe (6) and the inner wall of the joint (4), and the overall sealing performance of the equipment is improved.
2. The system and method for automatically draining a rail vehicle reservoir of claim 1, wherein: the outer surface wall of the external connecting pipe (6) is fixedly sleeved with a protective shell (7), and the water outlet end of the external connecting pipe (6) is communicated with the inside of the protective shell (7).
3. The system and method for automatically draining a rail vehicle reservoir of claim 2, wherein: the top of the protective shell (7) is provided with a mounting hole, the bottom of the inner wall of the mounting hole is fixedly provided with a conducting ring (8), and the outer surface wall of the conducting ring (8) is wound with a plurality of groups of copper coils (9);
after the conducting ring (8) is electrified, the current generated inside the conducting ring gradually flows into the copper coil (9), and a corresponding magnetic field is formed in the mounting hole.
4. The system and method for automatically draining a rail vehicle reservoir of claim 3, wherein: electromagnetic valves (10) are movably arranged between the outer surface walls of the multiple groups of copper coils (9), transmission rods are fixedly arranged at the bottoms of the electromagnetic valves (10), and the bottoms of the transmission rods penetrate through the inner bottoms of the mounting holes and extend into the protective shell (7);
after the electromagnetic valve (10) is contacted with a magnetic field formed by the mounting hole, kinetic energy required by self rotation is obtained, and a transmission rod on the electromagnetic valve is driven to perform quick corner turning in the protective shell (7).
5. The system and method for automatically draining a rail vehicle reservoir of claim 2, wherein: a drain valve (11) is movably arranged in the protective shell (7), and the inner surface wall of the drain valve (11) is fixedly sleeved on the outer surface wall of the transmission rod;
the drain valve (11) controls the inside of the protective shell (7) to be opened, closed and the like.
6. The system and method for automatically draining a rail vehicle reservoir of claim 2, wherein: a water outlet pipe (12) is fixedly communicated with the water outlet end of the protective shell (7);
and the drain pipe (12) guides water flow and quickly discharges the water flow out of the equipment when the main air cylinder (3) needs to drain water.
7. The system and method for automatically draining a rail vehicle reservoir of claim 6, wherein: a silencer (13) is fixedly sleeved on the outer wall of the drain pipe (12);
the muffler (13) effectively absorbs the sound of the water source flowing in the drain pipe (12).
8. The system and method for automatically draining a rail vehicle reservoir of claim 1, wherein: the output end of the air compressor (14) is in signal connection with the input end of the TCMC (15);
the air compressor (14) provides data analysis for the TCMC (15) primarily by means of internal operating states.
9. The system and method for automatically draining a rail vehicle reservoir of claim 1, wherein: the output end of the TCMC (15) is in signal connection with the input end of the automatic air cylinder drainage action equipment (16);
the automatic air cylinder drainage action equipment (16) receives the drainage signal sent by the TCMC (15) and rapidly performs a series of drainage actions.
10. The system and method for automatically draining a rail vehicle reservoir of claim 3, wherein: the power supply in the equipment is completed by a main air pipe line and is evenly distributed to the electromagnetic valve (10), the drain valve (11) and the silencer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444804.7A CN113942482B (en) | 2021-11-30 | 2021-11-30 | System and method for automatically draining total air cylinder of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444804.7A CN113942482B (en) | 2021-11-30 | 2021-11-30 | System and method for automatically draining total air cylinder of railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113942482A true CN113942482A (en) | 2022-01-18 |
| CN113942482B CN113942482B (en) | 2024-02-02 |
Family
ID=79338930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111444804.7A Active CN113942482B (en) | 2021-11-30 | 2021-11-30 | System and method for automatically draining total air cylinder of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113942482B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867814A (en) * | 1958-06-24 | 1961-05-10 | Roger Charles Dubois | Alternating-current magnet particularly for electrically operated valves |
| DE3241662A1 (en) * | 1982-11-11 | 1984-05-17 | Alfred Teves Gmbh, 6000 Frankfurt | HYDRAULIC, FORCE OPERATED BRAKE SYSTEM FOR MOTOR VEHICLES |
| CN2139850Y (en) * | 1992-10-13 | 1993-08-11 | 铁道部四方车辆研究所 | Air desiccator |
| EP1170534A2 (en) * | 2000-06-27 | 2002-01-09 | Siemens Automotive Inc. | Fuel cell control valves |
| JP2011102597A (en) * | 2009-11-10 | 2011-05-26 | Nok Corp | Solenoid valve |
| WO2012140717A1 (en) * | 2011-04-11 | 2012-10-18 | トヨタ自動車株式会社 | Corrosion prevention device for vehicle brake unit |
| CN203240059U (en) * | 2013-05-26 | 2013-10-16 | 魏伯卿 | Normally-open normally-close electric control device |
| CN103661348A (en) * | 2013-12-23 | 2014-03-26 | 成都铁路机电配件厂 | Automatic drainage device of rail vehicle air pipeline system |
| CN105179219A (en) * | 2015-10-30 | 2015-12-23 | 南车戚墅堰机车有限公司 | Device for controlling two air compressors of locomotive |
| CN105972288A (en) * | 2016-05-31 | 2016-09-28 | 新疆天脉农业智控科技有限公司 | Power-storing type intelligent control electrically operated valve for irrigation |
| CN107147259A (en) * | 2017-07-13 | 2017-09-08 | 中车永济电机有限公司 | Ship is promoted mainly into using double armature variable-frequency control asynchronous motor |
| CN209354670U (en) * | 2018-12-17 | 2019-09-06 | 泉州世建通装配工程有限公司 | A kind of fire resisting damper with electronics self-checking unit |
| CN111465792A (en) * | 2017-12-28 | 2020-07-28 | 株式会社三国 | Valve device |
| CN212376830U (en) * | 2020-06-10 | 2021-01-19 | 长春长客-庞巴迪轨道车辆有限公司 | Automatic drainage device for main air cylinder of braking system |
| CN212775833U (en) * | 2020-06-18 | 2021-03-23 | 慈溪市金铭电力科技有限公司 | SF6 integrated valve |
-
2021
- 2021-11-30 CN CN202111444804.7A patent/CN113942482B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867814A (en) * | 1958-06-24 | 1961-05-10 | Roger Charles Dubois | Alternating-current magnet particularly for electrically operated valves |
| DE3241662A1 (en) * | 1982-11-11 | 1984-05-17 | Alfred Teves Gmbh, 6000 Frankfurt | HYDRAULIC, FORCE OPERATED BRAKE SYSTEM FOR MOTOR VEHICLES |
| CN2139850Y (en) * | 1992-10-13 | 1993-08-11 | 铁道部四方车辆研究所 | Air desiccator |
| EP1170534A2 (en) * | 2000-06-27 | 2002-01-09 | Siemens Automotive Inc. | Fuel cell control valves |
| JP2011102597A (en) * | 2009-11-10 | 2011-05-26 | Nok Corp | Solenoid valve |
| WO2012140717A1 (en) * | 2011-04-11 | 2012-10-18 | トヨタ自動車株式会社 | Corrosion prevention device for vehicle brake unit |
| CN203240059U (en) * | 2013-05-26 | 2013-10-16 | 魏伯卿 | Normally-open normally-close electric control device |
| CN103661348A (en) * | 2013-12-23 | 2014-03-26 | 成都铁路机电配件厂 | Automatic drainage device of rail vehicle air pipeline system |
| CN105179219A (en) * | 2015-10-30 | 2015-12-23 | 南车戚墅堰机车有限公司 | Device for controlling two air compressors of locomotive |
| CN105972288A (en) * | 2016-05-31 | 2016-09-28 | 新疆天脉农业智控科技有限公司 | Power-storing type intelligent control electrically operated valve for irrigation |
| CN107147259A (en) * | 2017-07-13 | 2017-09-08 | 中车永济电机有限公司 | Ship is promoted mainly into using double armature variable-frequency control asynchronous motor |
| CN111465792A (en) * | 2017-12-28 | 2020-07-28 | 株式会社三国 | Valve device |
| CN209354670U (en) * | 2018-12-17 | 2019-09-06 | 泉州世建通装配工程有限公司 | A kind of fire resisting damper with electronics self-checking unit |
| CN212376830U (en) * | 2020-06-10 | 2021-01-19 | 长春长客-庞巴迪轨道车辆有限公司 | Automatic drainage device for main air cylinder of braking system |
| CN212775833U (en) * | 2020-06-18 | 2021-03-23 | 慈溪市金铭电力科技有限公司 | SF6 integrated valve |
Non-Patent Citations (2)
| Title |
|---|
| 郭进龙: "《内燃机车运用与规章》", pages: 125 * |
| 陆缙华;潘传熙;肖九元;: "DK―1型机车电空制动机", 电力机车与城轨车辆, no. 06, pages 125 - 44 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113942482B (en) | 2024-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101226860B1 (en) | Gas turbine compressor water wash control of drain water purge and sensing of rinse and wash completion | |
| CN204035120U (en) | A kind of oil-pressure damper ultrasonic cleaning apparatus | |
| KR101351011B1 (en) | Vacuum cleaner for rail road | |
| CN113942482A (en) | System and method for automatically draining main air reservoir of railway vehicle | |
| CN103661348A (en) | Automatic drainage device of rail vehicle air pipeline system | |
| CN220579901U (en) | Railway comprehensive water flushing vehicle | |
| CN208310981U (en) | Vehicular air compression set with self-circulation system | |
| CN203666637U (en) | Automatic drainage device of rail vehicle air pipeline system | |
| RU158083U1 (en) | AIR PREPARATION DEVICE FOR PNEUMATIC RAILWAY WAGON SYSTEM | |
| CN210891020U (en) | Automatic drainage device for vehicle air pipeline | |
| CN104858186A (en) | Cleaning device and method for inner surface of hydraulic pipe | |
| CN204750116U (en) | Water conservation washing equipment | |
| CN209795429U (en) | Orbital convection type intelligence of unilateral sweeps system | |
| CN209795426U (en) | intelligent purging system with ultrasonic cleaning function based on electromagnetic guidance | |
| CN109423971A (en) | Plane jet formula subway tunnel purger | |
| KR101219679B1 (en) | Pneumatic circuit system of an air spring for a vehicle provided with an additional functions | |
| KR102540024B1 (en) | Old water pipe cleaning system using water jet | |
| CN2139850Y (en) | Air desiccator | |
| CN105032855A (en) | Wagon brake pipe inner wall cleaning machine | |
| JP2531096Y2 (en) | Anti-freezing device in cleaning equipment | |
| CN210356610U (en) | Vortex cooling type high-pressure ultra-low dew point dryer | |
| CN203685389U (en) | Oxyhydrogen decarbonizing device for engine | |
| CN112455939B (en) | Novel oil storage device | |
| JPH07328576A (en) | Washing of piping | |
| CN217726422U (en) | Intelligent control system for water flushing hydraulic circuit of contact net insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |