CN109335027B - Parking brake control system and control method for railway vehicle rescue - Google Patents
Parking brake control system and control method for railway vehicle rescue Download PDFInfo
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- CN109335027B CN109335027B CN201811155141.5A CN201811155141A CN109335027B CN 109335027 B CN109335027 B CN 109335027B CN 201811155141 A CN201811155141 A CN 201811155141A CN 109335027 B CN109335027 B CN 109335027B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/66—Arrangements or adaptations of apparatus or instruments, not otherwise provided for
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Abstract
The utility model provides a rail vehicle rescue is with parking brake control system, includes choke valve, bi-directional valve, cuts stopper door, pressure switch, its characterized in that: an electromagnetic valve is connected between a train pipe and a main air pipe of the railway vehicle, the electromagnetic valve is powered on, the main air pipe is communicated with an electromagnetic valve outlet, the electromagnetic valve is powered off, the train pipe is communicated with the electromagnetic valve outlet, the electromagnetic valve outlet is sequentially connected with a throttle valve, a two-way valve, a cut-off plug door and a pressure switch and leads to a parking brake cylinder, and the other end of the two-way valve is connected with a brake cylinder pressure pipeline to prevent overload caused by superposition of air brake and parking brake force. When rescue is performed, the electromagnetic valve is powered off, so that the train pipe can directly and pneumatically control the work of the parking brake cylinder, and no power supply is needed. The invention improves the train speed in the rescue process, saves the rescue time and reduces the influence on the normal operation order. The problem that longer-distance rescue cannot be ensured due to the limitation of the capacity of the storage battery when the faulty vehicle group has electrical faults is avoided. The safety of the train is ensured.
Description
Technical Field
The invention belongs to the field of railway transportation, and particularly relates to a parking brake control system for railway vehicle rescue.
Background
At present, parking brake systems are arranged on urban railway vehicles and motor train units, the parking brake systems are controlled by the motor train unit electrical systems to be applied or released during normal operation, but when the motor train units fail to operate, a rescue locomotive generally drags the motor train units to return to a warehouse, the parking brake of the failed motor train units cannot be controlled by the rescue locomotive, the failed motor train units cannot control the parking brake during no-electricity rescue, and the safety of train braking cannot be ensured during long-term parking; in addition, if there is a failure in the parking brake control during rescue, it will take a long time to manually release the parking brake cylinders one by one, and the train will lose the parking brake capability.
Disclosure of Invention
The technical problem to be solved by the invention is to design a parking brake control system for rail vehicle rescue, so that when the rail vehicle is in fault rescue, the parking brake system can be controlled by a rescue locomotive, and no power supply is needed.
In order to solve the technical problems, the invention provides a parking brake control system for rescuing railway vehicles, which comprises a throttle valve, a two-way valve, a cutoff plug door and a pressure switch, and is characterized in that: an electromagnetic valve is connected between a train pipe and a main air pipe of the railway vehicle, the electromagnetic valve is powered on, the main air pipe is communicated with an electromagnetic valve outlet, the electromagnetic valve is powered off, the train pipe is communicated with the electromagnetic valve outlet, the electromagnetic valve outlet is sequentially connected with a throttle valve, a two-way valve, a cut-off plug door and a pressure switch and leads to a parking brake cylinder, and the other end of the two-way valve is connected with a brake cylinder pressure pipeline to prevent overload caused by superposition of air brake and parking brake force. When rescue is performed, the electromagnetic valve is powered off, so that the train pipe can directly and pneumatically control the work of the parking brake cylinder, and no power supply is needed.
The train pipe runs through the whole train of the railway vehicle and is connected with each electromagnetic valve of the parking control system of the railway vehicle.
A control method of a parking brake control system for rescuing a railway vehicle, characterized by comprising the steps of;
when the fault car group is rescued by the rescue locomotive, a train pipe of the rescue locomotive is connected with a train pipe of the fault car group, and the power supply of the solenoid valve of the fault car group is cut off, so that compressed air of the train pipe enters a parking brake cylinder through the solenoid valve;
when the rescue locomotive relieves braking, the train pipe is full of pressure, and compressed air enters the parking brake cylinder, so that the parking brake cylinder is in a relieving state;
when the rescue locomotive applies the service brake or the emergency brake during running or stopping, the pressure of the train pipe is reduced to the decompression range of the service brake or is discharged to 0, and the parking brake cylinder is also discharged to the same pressure as the train pipe due to the communication with the train pipe, so that the partial application or the complete application of the parking brake is realized;
when the train set is in normal operation, the compressed air of the train pipe is emptied, and the train set enables the electromagnetic valve to be powered on and relieves parking braking through the pressure of the total air pipe;
when the train set is in normal operation, parking brake is applied, the electromagnetic valve is de-energized, compressed air of the parking brake cylinder is also emptied through the emptied train pipe, and the parking brake is applied.
The invention has the following positive effects by adopting the scheme:
(1) According to the invention, when the rescue locomotive is used for rescuing the fault train, the rescue locomotive can directly control the parking brake system of the fault train unit through the train pipe, any operation and power supply are not required for parking brake, and even if the parking brake control system of the fault train unit is in fault, the rescue locomotive can control the parking brake of the fault train unit, the operation is simple, the rescue time can be greatly saved, and the influence on the normal operation order is reduced.
(2) In the rescue process, when the rescue locomotive applies service braking or emergency braking, the fault train set can also apply parking braking, train braking force can be provided for the rescue train set without the operation of a brake control system of the fault train set, the rescue speed of the train can be properly improved, and the braking safety of the train is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
Referring to fig. 1, the specific embodiment of the invention comprises a solenoid valve 01, a throttle valve 02, a two-way valve 03, a cutoff plug 04 and a pressure switch 05; the two ends of the electromagnetic valve 01 are respectively connected with the main air pipe and the train pipe, so that the control of the parking brake system of the fault car group under the normal operation working condition and the rescue working condition is realized, the outlet of the electromagnetic valve 01 is connected with the throttle valve, and the throttle valve 02 has the function of limiting the air charging speed of the parking brake cylinder. The throttle valve 02 is connected with one end of the two-way valve 03, the other end of the two-way valve is connected with a brake cylinder pipeline, compressed air with larger pressure at two ends of the two-way valve flows to an outlet of the two-way valve, and superposition application of air brake and parking brake can be prevented. The shut-off plug 04 is used for shutting off the supply of air to the parking brake cylinder and for cutting off the parking brake cylinder during debugging or failure, and the shut-off plug 04 is provided with electrical contacts, the open or closed state of which can be monitored by the train control system. The pressure switch 05 is used for detecting the pressure of the parking brake cylinder pipeline and feeding back the state to the control system of the vehicle group for diagnosis and control.
When the fault car group is rescued by the rescue locomotive, a train pipe of the rescue locomotive is connected with a train pipe of the fault car group, and power supply of the fault car group is cut off, so that the electromagnetic valve 01 is in a power-off state, and the train pipe is in a conducting state with an outlet of the electromagnetic valve 01. When the rescue locomotive relieves braking, the train pipe is full of pressure, and compressed air enters the parking brake cylinder, so that the parking brake cylinder is in a relieving state.
When the rescue locomotive applies the service brake or the emergency brake while running or stopping, the pressure of the train pipe is reduced to the decompression range of the service brake or is discharged to 0, and the parking brake cylinder is also discharged to the same pressure as the train pipe due to the communication with the train pipe, thereby realizing that the parking brake is partially applied or fully applied.
When the train set is in normal operation, compressed air of the train pipe is emptied, when the fault train set relieves the parking brake, the electromagnetic valve 01 is electrically controlled to be in a power-on state, at the moment, the main air pipe is communicated with the outlet of the electromagnetic valve 01, and the compressed air of the main air pipe enters the parking brake cylinder to enable the parking brake cylinder to be in a relieving state. When the fault car group applies the parking brake, the electromagnetic valve 01 is electrically controlled to be in a power-off state, compressed air of the train pipe is conducted with the parking brake cylinder, and the compressed air of the parking brake cylinder is also exhausted through the train pipe due to the fact that the train pipe is in an exhausting state, and the parking brake cylinder is in a full applying state.
Claims (2)
1. The control method of a parking brake control system for the rescue of the railway vehicle comprises a throttle valve, a two-way valve, a cut-off plug door and a pressure switch, wherein a solenoid valve is connected between a train pipe and a main air pipe of the railway vehicle, the solenoid valve is electrified, the main air pipe is communicated with an outlet of the solenoid valve, the solenoid valve is deenergized, the train pipe is communicated with the outlet of the solenoid valve, the outlet of the solenoid valve is sequentially connected with the throttle valve, the two-way valve, the cut-off plug door and the pressure switch and leads to a parking brake cylinder, and the other end of the two-way valve is connected with a brake cylinder pressure pipeline to prevent overload caused by air braking and parking brake force superposition; the method is characterized in that:
when the fault car group is rescued by the rescue locomotive, a train pipe of the rescue locomotive is connected with a train pipe of the fault car group, and the power supply of the solenoid valve of the fault car group is cut off, so that compressed air of the train pipe enters a parking brake cylinder through the solenoid valve;
when the rescue locomotive relieves braking, the train pipe is full of pressure, and compressed air enters the parking brake cylinder, so that the parking brake cylinder is in a relieving state;
when the rescue locomotive applies the service brake or the emergency brake during running or stopping, the pressure of the train pipe is reduced to the decompression range of the service brake or is discharged to 0, and the parking brake cylinder is also discharged to the same pressure as the train pipe due to the communication with the train pipe, so that the partial application or the complete application of the parking brake is realized;
when the train set is in normal operation, the compressed air of the train pipe is emptied, and the train set enables the electromagnetic valve to be powered on and relieves parking braking through the pressure of the total air pipe;
when the train set is in normal operation, parking brake is applied, the electromagnetic valve is de-energized, compressed air of the parking brake cylinder is also emptied through the emptied train pipe, and the parking brake is applied.
2. A control method of a parking brake control system for rail vehicle rescue according to claim 1, characterized by: the train pipe penetrates through the whole train of the railway vehicle and is connected with each electromagnetic valve of the parking control system of the railway vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155141.5A CN109335027B (en) | 2018-09-30 | 2018-09-30 | Parking brake control system and control method for railway vehicle rescue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155141.5A CN109335027B (en) | 2018-09-30 | 2018-09-30 | Parking brake control system and control method for railway vehicle rescue |
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| Publication Number | Publication Date |
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| CN109335027A CN109335027A (en) | 2019-02-15 |
| CN109335027B true CN109335027B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811155141.5A Active CN109335027B (en) | 2018-09-30 | 2018-09-30 | Parking brake control system and control method for railway vehicle rescue |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441059A (en) * | 2020-12-18 | 2021-03-05 | 中车洛阳机车有限公司 | Railway vehicle parking braking system without total wind source and application method thereof |
| CN112849200A (en) * | 2021-02-08 | 2021-05-28 | 中车青岛四方机车车辆股份有限公司 | Vehicle holding brake control method, device and system and vehicle |
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| AT260302B (en) * | 1965-04-13 | 1968-02-26 | Knorr Bremse Gmbh | Electropneumatic air brakes for rail vehicles |
| CN202320385U (en) * | 2011-12-30 | 2012-07-11 | 克诺尔车辆设备(苏州)有限公司 | Braking system towing device and railway vehicle |
| CN104494589A (en) * | 2014-11-28 | 2015-04-08 | 中国北车集团大连机车车辆有限公司 | Standby control device of railway locomotive braking system |
| CN105005225A (en) * | 2015-07-07 | 2015-10-28 | 中国铁道科学研究院 | Rail vehicle rescue return device and rescue method thereof |
| CN107226077A (en) * | 2017-06-13 | 2017-10-03 | 中车株洲电力机车有限公司 | A kind of locomotive and its gas control standby braking control system |
| CN206615227U (en) * | 2016-11-18 | 2017-11-07 | 中车长春轨道客车股份有限公司 | A kind of long-range shielding system of parking brake |
| CN207631272U (en) * | 2017-11-21 | 2018-07-20 | 中车株洲电力机车有限公司 | A kind of single-track vehicle rescue brake apparatus |
-
2018
- 2018-09-30 CN CN201811155141.5A patent/CN109335027B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT260302B (en) * | 1965-04-13 | 1968-02-26 | Knorr Bremse Gmbh | Electropneumatic air brakes for rail vehicles |
| CN202320385U (en) * | 2011-12-30 | 2012-07-11 | 克诺尔车辆设备(苏州)有限公司 | Braking system towing device and railway vehicle |
| CN104494589A (en) * | 2014-11-28 | 2015-04-08 | 中国北车集团大连机车车辆有限公司 | Standby control device of railway locomotive braking system |
| CN105005225A (en) * | 2015-07-07 | 2015-10-28 | 中国铁道科学研究院 | Rail vehicle rescue return device and rescue method thereof |
| CN206615227U (en) * | 2016-11-18 | 2017-11-07 | 中车长春轨道客车股份有限公司 | A kind of long-range shielding system of parking brake |
| CN107226077A (en) * | 2017-06-13 | 2017-10-03 | 中车株洲电力机车有限公司 | A kind of locomotive and its gas control standby braking control system |
| CN207631272U (en) * | 2017-11-21 | 2018-07-20 | 中车株洲电力机车有限公司 | A kind of single-track vehicle rescue brake apparatus |
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| CRH1型动车组救援回送控制策略研究;石琪;杨昭;;科技与创新(10);全文 * |
| CRH380A(统)型动车组被救援流程优化研讨;沈文;;机电信息(24);全文 * |
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| CN109335027A (en) | 2019-02-15 |
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