CN113942482B - System and method for automatically draining total air cylinder of railway vehicle - Google Patents

System and method for automatically draining total air cylinder of railway vehicle Download PDF

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Publication number
CN113942482B
CN113942482B CN202111444804.7A CN202111444804A CN113942482B CN 113942482 B CN113942482 B CN 113942482B CN 202111444804 A CN202111444804 A CN 202111444804A CN 113942482 B CN113942482 B CN 113942482B
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China
Prior art keywords
air cylinder
automatic
drainage
surface wall
wall
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CN202111444804.7A
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CN113942482A (en
Inventor
郭涛
王睿
付建鹏
孙华云
宋瑞
徐林
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CRRC Dalian Co Ltd
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CRRC Dalian Co Ltd
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/002Air treatment devices
    • B60T17/004Draining and drying devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/002Air treatment devices
    • B60T17/008Silencer devices

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  • 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 total air cylinder of a railway vehicle, comprising the following steps: the automatic drainage action equipment for the bearing frame, the air compressor, the TCMS and the air cylinder, the annular groove is formed in the bottom of the bearing frame, the main air cylinder is fixedly arranged at the bottom of the inner wall of the annular groove, the electric conduction ring is electrified and then conducts current to the inner part of the copper coil, a magnetic field is formed to be in contact with the electromagnetic valve and then rotate, the working state of the drainage valve is changed, water flow is led by the drainage pipe to drain, in order to reduce noise generated in the drainage process, the silencer is arranged on the surface of the drainage pipe, the noise generated in the air exhaust process is reduced, the system and the device are mutually matched, the automatic and timed drainage and the air exhaust of the main air cylinder can be achieved, the automatic action can be realized when a vehicle runs, the problem that manual operation can only be operated when the vehicle stops is solved, water is accumulated in the effective air cylinder, and other parts and running systems in the equipment are damaged.

Description

System and method for automatically draining total air cylinder of railway vehicle
Technical Field
The invention relates to the technical field of drainage of air cylinders, in particular to a system and a method for automatically draining an overall air cylinder of a railway vehicle.
Background
Rail vehicles, which are road rail vehicles (capable of running on roads and rails) equipped with couplers, have few cars for movement in each subway line side or yard, are widely used by railway customers because they are cheaper than having a conversion locomotive, more convenient and cheaper than paying money to a railway operator for conversion, more easy and more efficient than manually moving cars, and, because they have more uses, they can travel through steering wheels to cars that need to be moved without the need for clear tracks.
The railway vehicle using compressed air is provided with the air cylinder in the system for storing the compressed air, and under the general condition, the compressed air enters the system after being processed by the drying and filtering equipment, when the drying and filtering equipment fails or the drying medium is aged and the like, the undried compressed air enters the system, so that residual moisture in the air cylinder is caused, and the moisture enters the system to cause rust of metal parts and pipelines, even cause functional failure, and under the condition, the moisture in the air cylinder can be discharged timely, so that the railway vehicle is an urgent problem to be solved.
However, the existing drainage device has the following problems:
the automatic drainage can not be performed, manual operation is needed, automatic timing operation is not performed, operation can not be performed when the vehicle runs, and once reservoir water accumulation occurs in the running process of the vehicle, or the drainage operation is not performed regularly after maintenance, the reservoir water accumulation can be caused, and damage is caused to other parts and running systems in the equipment.
We have therefore proposed a system and method for automatic drainage of the total reservoir of a railway vehicle 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 a total air cylinder of a railway vehicle, which are used for solving the problems that the system and the method for automatically draining and exhausting the total air cylinder 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 above purpose, the present invention provides the following technical solutions: a system and method for automatically draining a rail vehicle main reservoir, comprising: the device comprises a bearing frame, an air compressor, a TCMS and automatic air cylinder drainage action equipment;
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 limit sleeve frame, and the inner surface wall of the limit 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 movement process, so that the position of the main air cylinder is deviated;
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 joint, the water inlet of the joint is communicated with the main air cylinder, one side of the outer wall of the joint 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 outer connecting pipe;
the sealing ring is used for eliminating gaps existing between the outer wall of the outer connecting pipe and the inner wall of the joint, and the overall tightness of the equipment is improved.
Preferably, the outer surface wall of the outer connecting pipe is fixedly sleeved with a protective shell, and the water outlet end of the outer 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 conductive ring, and the outer surface wall of the conductive ring is wound with a plurality of groups of copper coils;
after the conducting ring is electrified, the current generated in the conducting ring gradually flows into the copper coil, and a corresponding magnetic field is formed in the mounting hole.
Preferably, electromagnetic valves are movably arranged among the outer surface walls of the plurality of groups of copper coils, a transmission rod is fixedly arranged at the bottom of each electromagnetic valve, and the bottom of each transmission rod penetrates through the inner bottom of each mounting hole and extends to the inside of the protective shell;
after the magnetic field formed by the electromagnetic valve and the mounting hole is contacted, kinetic energy required by self rotation is obtained, and the transmission rod on the electromagnetic valve is driven to rotate rapidly in the protective shell.
Preferably, a drain valve is movably arranged in the protective shell, and the inner surface wall of the drain valve is fixedly sleeved on the outer surface wall of the transmission rod;
the drain valve controls the inside of the protective shell to open and close.
Preferably, the water outlet end of the protective shell is fixedly communicated with a drain pipe;
when the main air cylinder is to drain water, the drain pipe guides water flow and rapidly discharges the water flow into the equipment.
Preferably, the outer surface wall of the drain pipe is fixedly sleeved with a silencer;
the muffler effectively absorbs sound of water source flow in the drain pipe.
Preferably, the output end of the air compressor is in signal connection with the input end of the TCMS;
the air compressor mainly provides data analysis for the TCMS through the internal operation state.
Preferably, the output end of the TCMS is connected with the input end of the automatic drainage action equipment of the air cylinder through signals;
and after receiving the drainage signal sent by the TCMS, the automatic drainage action equipment of the air cylinder rapidly performs a series of drainage actions.
Preferably, the power supply in the device 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:
according to the invention, the TCMS is used for collecting the running state signal of the air compressor, the master cylinder is controlled to automatically drain after the air compressor stops running, the current is conducted into the copper coil after the conducting ring is electrified, a magnetic field is formed to be in contact with the electromagnetic valve to generate rotation, the working state of the drain valve is changed, the water flow is led by the drain pipe to drain, in order to reduce the noise generated in the drainage process, the silencer is arranged on the surface of the drain pipe, the noise generated in the air exhaust process is reduced, the system and the device are matched, the master cylinder can be automatically and regularly drained and exhausted, the automatic action can be realized when the vehicle runs, the problem that the manual operation is realized and the operation can be only performed when the vehicle stops is solved, the water is accumulated in the effective air cylinder, and other parts and running systems in the equipment are damaged.
Drawings
FIG. 1 is a perspective view of a front view of a system and method for automatically draining a rail vehicle main reservoir in accordance with the present invention;
FIG. 2 is a side elevational view of a system and method for automatically draining a rail vehicle main reservoir in accordance with the present invention;
FIG. 3 is a front perspective view of a system and method for automatically draining a rail vehicle main reservoir in accordance with the present invention;
FIG. 4 is a diagram of a signal entry system in a system and method for automatically draining a rail vehicle main reservoir in accordance with the present invention;
FIG. 5 is a schematic diagram of the gas circuit in the system and method for automatically draining the total reservoir of a rail vehicle according to the present invention.
In the figure: 1. a carrier; 2. a limiting sleeve frame; 3. a total air cylinder; 4. a joint; 5. a seal ring; 6. an outer connecting pipe; 7. a protective housing; 8. a conductive ring; 9. a copper coil; 10. an electromagnetic valve; 11. a drain valve; 12. a drain pipe; 13. a muffler; 14. an air compressor; 15. TCMS; 16. an automatic drainage action device for a wind cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the 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, comprising: the automatic drainage action equipment 16 for the air compressor, the TCMS15 and the air cylinder comprises a bearing frame 1, an air compressor 14, an annular groove is formed in the bottom of the bearing frame 1, a main air cylinder 3 is fixedly arranged at the bottom of the inner wall of the annular groove, a limiting sleeve frame 2 is welded on one side of the outer wall of the bearing frame 1, an 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, the locomotive is prevented from shaking in the movement process, the position of the main air cylinder 3 is offset, a round hole A is formed in the outer surface wall of the main air cylinder 3, a joint 4 is fixedly inserted into the inner surface wall of the round hole A, a water inlet part of the joint 4 is communicated with the main air cylinder 3, a round hole B is formed in one side of the outer wall of the joint 4, a sealing ring 5 is fixedly arranged on one side of the inner surface wall of the round hole B, an outer connecting pipe 6 is fixedly inserted into the inner surface wall of the sealing ring 5, a gap existing between the outer wall of the outer connecting pipe 6 and the inner wall of the joint 4 is increased, the whole sealing performance of the equipment is improved, the automatic and the automatic drainage action of the main air cylinder 3 can be achieved through the cooperation of the system and the device, and the manual operation of the vehicle can be achieved when the manual operation is needed when a vehicle stops.
According to the figures 1-3, the outer surface wall of the outer connecting pipe 6 is fixedly sleeved with a protective shell 7, and the water outlet end of the outer connecting pipe 6 is communicated with the inside of the protective shell 7.
According to the figures 1-3, 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, the outer surface wall of the conducting ring 8 is wound with a plurality of groups of copper coils 9, and the current generated in the conducting ring 8 after being electrified gradually sinks into the copper coils 9, and a corresponding magnetic field is formed in the mounting hole.
According to the illustration shown in fig. 1-3, electromagnetic valves 10 are movably arranged between the outer surface walls of the plurality of groups of copper coils 9, a transmission rod is fixedly arranged at the bottom of each electromagnetic valve 10, the bottom of each transmission rod penetrates through the inner bottom of each mounting hole and extends to the inside of the protective shell 7, and after the electromagnetic valves 10 are contacted with a magnetic field formed by the mounting holes, kinetic energy required by self rotation is obtained and the transmission rods on the electromagnetic valves are driven to rotate rapidly in the protective shell 7.
According to the figures 1-3, a drain valve 11 is movably arranged in the protective shell 7, the inner surface wall of the drain valve 11 is fixedly sleeved on the 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 shell 7 is fixedly communicated with a water drain pipe 12, and the water drain pipe 12 guides water flow to be rapidly discharged into the device when the main air cylinder 3 is to drain water.
According to fig. 1-3, the outer surface wall of the drain pipe 12 is fixedly sleeved with a muffler 13, and the muffler 13 effectively absorbs sound flowing from a water source in the drain pipe 12.
As shown in fig. 4, the output of the air compressor 14 is connected to the input of the TCMS15 in a signal fashion, and the air compressor 14 provides data analysis for the TCMS15, primarily via internal operating states.
According to the illustration of fig. 4, the output of TCMS15 is signally connected to the input of the automatic cylinder drain action device 16, and after receiving the drain signal sent from TCMS15, the automatic cylinder drain action device 16 rapidly performs a series of drain actions.
According to fig. 5, the power supply in the apparatus is completed by the main air line and is equally distributed to the solenoid valve 10, the drain valve 11 and the muffler 13.
The whole equipment has the following effects: the system comprises an air compressor 14, a TCMS15 and an automatic air cylinder drainage action device 16, wherein the automatic air cylinder drainage action device 16 mainly comprises action devices consisting of an electromagnetic valve 10, a drain valve 11 and a silencer 13, and the method comprises the following steps: the TCMS15 collects the running state signal of the air compressor 14, controls the main air cylinder 3 to automatically drain 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 contact with the electromagnetic valve 10 to rotate, changes the working state of the drain valve 11, leads water flow to be guided by the drain pipe 12 to drain, and in order to reduce noise generated in the drainage process, a silencer 13 is arranged on the surface of the drain pipe 12 to reduce noise generated in the air exhaust process.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims (8)

1. A system for automatically draining a rail vehicle main reservoir, comprising: the device comprises a bearing frame (1), an air compressor (14), a TCMS (15) and an automatic air cylinder drainage action device (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 limit sleeve frame (2), and the inner surface wall of the limit 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 the locomotive from shaking in the moving process, so that the position of the main air cylinder (3) is deviated;
the outer surface wall of the main air cylinder (3) is provided with a first round hole, the inner surface wall of the first round hole 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 second round hole, the inner surface wall of the second round hole is fixedly provided with a sealing ring (5), and the inner surface wall of the sealing ring (5) is fixedly inserted with an outer connecting pipe (6);
the sealing ring (5) is used for removing gaps between the outer wall of the outer connecting pipe (6) and the inner wall of the joint (4), so that the overall tightness of the equipment is improved;
the TCMS (15) is used for collecting an operation state signal of the air compressor (14), and the total air cylinder (3) is controlled to perform automatic drainage action after the air compressor (14) stops operating;
the outer surface wall of the external connection tube (6) is fixedly sleeved with a protective shell (7), 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 conductive ring (8), and the outer surface wall of the conductive ring (8) is wound with a plurality of groups of copper coils (9);
the current generated in the conductive ring (8) after the conductive ring is electrified gradually sinks into the copper coil (9) and forms a corresponding magnetic field in the mounting hole;
electromagnetic valves (10) are movably arranged between the outer surface walls of the plurality of 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 magnetic field formed by the electromagnetic valve (10) and the mounting hole is contacted, kinetic energy required by self rotation is obtained, and a transmission rod on the kinetic energy is driven to rapidly rotate in the protective shell (7);
a drain valve (11) is movably arranged in the protective shell (7), and the drain valve (11) controls the inside of the protective shell (7) to be opened and closed;
the water outlet end of the protective shell (7) is fixedly communicated with a drain pipe (12).
2. The system for automatic drainage of a total reservoir of a railway vehicle according to claim 1, characterized in that the water outlet end of the extension tube (6) is in communication with the inside of the protective casing (7).
3. The automatic drainage system of a total reservoir of a rail vehicle according to claim 2, wherein the inner surface wall of the drainage valve (11) is fixedly sleeved on the outer surface wall of the transmission rod.
4. The system for automatic draining of a total reservoir of a railway vehicle according to claim 2, characterized in that said drain pipe (12) guides the water flow to be drained rapidly from the installation when the total reservoir (3) is to be drained.
5. The automatic drainage system of a total reservoir of a railway vehicle according to claim 4, characterized in that the external surface wall of the drain pipe (12) is fixedly sleeved with a muffler (13);
the muffler (13) is effective to absorb sound of the water source flowing in the drain pipe (12).
6. The system for automatic drainage of a total reservoir of a railway vehicle according to claim 1, characterized in that the output of the air compressor (14) is in signal connection with the input of the TCMS (15);
the air compressor (14) provides data analysis for the TCMS (15) mainly by means of internal operating states.
7. The system for automatic draining of a total reservoir of a railway vehicle according to claim 1, characterized in that the output of the TCMS (15) is signally connected to the input of an automatic draining action device (16) of the reservoir;
the automatic draining action equipment (16) of the air cylinder receives the draining signal sent by the TCMS (15) and rapidly performs a series of draining actions.
8. The system for automatic draining of a rail vehicle main reservoir according to claim 1, characterized in that the power supply in the device is done by a main air line and is equally distributed into the solenoid valve (10), the drain valve (11) and the muffler (13).
CN202111444804.7A 2021-11-30 2021-11-30 System and method for automatically draining total air cylinder of railway vehicle Active CN113942482B (en)

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Citations (15)

* Cited by examiner, † Cited by third party
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

Patent Citations (15)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
DK―1型机车电空制动机;陆缙华;潘传熙;肖九元;;电力机车与城轨车辆(第06期);37-44 *
郭进龙.《内燃机车运用与规章》.2008,125. *

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