CN114475691A - Rail car braking system - Google Patents
Rail car braking system Download PDFInfo
- Publication number
- CN114475691A CN114475691A CN202210248631.XA CN202210248631A CN114475691A CN 114475691 A CN114475691 A CN 114475691A CN 202210248631 A CN202210248631 A CN 202210248631A CN 114475691 A CN114475691 A CN 114475691A
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- CN
- China
- Prior art keywords
- brake
- braking device
- braking
- air
- arm
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- 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.)
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Classifications
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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
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- 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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/26—Compressed-air systems
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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
- B61H13/00—Actuating rail vehicle brakes
- B61H13/02—Hand or other personal actuation
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- 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
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
Abstract
The invention provides a braking system of a rail car, which comprises a basic braking device, a manual braking device and an air braking device, wherein the manual braking device and the air braking device are respectively connected with the basic braking device; the air brake device comprises an air storage component, a control component and an emergency starting component, and the air brake device comprises an air storage component connected with the basic brake device; the control assembly is respectively connected with the gas storage assembly and the basic braking device, and has a braking state for controlling the gas storage assembly to convey gas to the basic braking device and a driving state for controlling the basic braking device to return gas to the gas storage assembly; the emergency starting assembly is connected with the control assembly and used for controlling the control assembly to be switched from a braking state to a driving state. The invention provides a rail car braking system, aiming at realizing timely brake release of a rail car when a cylinder brake fails and ensuring normal running of the rail car.
Description
Technical Field
The invention belongs to the technical field of vehicle braking, and particularly relates to a braking system of a rail car.
Background
The braking system of the rail car comprises a cylinder brake, a foundation brake and a hand brake. The cylinder brake is mainly used for braking the cylinder automatic device by providing compressed air by the locomotive when the truck decelerates or stops in the running process. The hand brake is mainly used for vehicle marshalling shunting or parking operation, and at the moment, because the inorganic vehicle is connected and has no compressed air source, the hand brake is used for braking during shunting operation or vehicle parking. The foundation brake is used for transmitting the thrust of the cylinder brake or the manual brake, and transmitting the thrust to each brake shoe after the thrust is increased to a certain multiple, so that the brake shoes are pressed against the wheels to generate a braking effect. When the cylinder brake of the existing rail car is used, if the cylinder breaks down, the brake of the rail car cannot be timely released, wheel abrasion is easily caused, and normal running of the rail car is influenced.
Disclosure of Invention
The invention aims to provide a rail car braking system, which can timely release braking of a rail car when a cylinder brake fails, and ensure normal running of the rail car.
In order to achieve the purpose, the invention adopts the technical scheme that: the rail car braking system comprises a basic braking device, a manual braking device and an air braking device, wherein the manual braking device and the air braking device are respectively connected with the basic braking device; wherein the content of the first and second substances,
the air brake device includes:
the gas storage component is connected with the basic braking device;
the control assembly is respectively connected with the gas storage assembly and the basic braking device, and the control assembly has a braking state for controlling the gas storage assembly to convey gas to the basic braking device and a driving state for controlling the basic braking device to return gas to the gas storage assembly; and
and the emergency starting component is connected with the control component and is used for controlling the control component to be switched from the braking state to the driving state.
In a possible implementation manner, the air brake device further includes an adjusting component connected to the control component and the base brake device, respectively, and the adjusting component is configured to adjust the output air pressure of the air storage component when the control component is in a braking state.
In one possible implementation, the air brake further includes a dust collector connected to the control assembly and the foundation brake, respectively.
In a possible implementation manner, the gas storage assembly includes a plurality of gas storage tanks, and the plurality of gas storage tanks are connected in parallel and then connected to the control assembly.
In a possible implementation manner, the manual braking device comprises a manual brake, a first connecting piece, a braking lever and a second connecting piece which are sequentially connected, the second connecting piece is further connected with the basic braking device, and the braking lever is rotatably connected with the vehicle.
In a possible implementation manner, the brake lever comprises a connecting shaft, and a first support arm and a second support arm which are respectively arranged at two ends of the connecting shaft, wherein the first support arm and the second support arm are arranged at included angles with the connecting shaft, the first support arm is connected with the first connecting piece, and the second support arm is connected with the second connecting piece.
In a possible implementation manner, the first support arm and the second support arm are respectively provided with a connecting hole, and the connecting holes are inserted into the connecting shafts.
In a possible implementation manner, the first support arm and the second support arm are respectively perpendicular to the axis of the connecting shaft.
In one possible implementation manner, the basic brake device comprises a brake cylinder and a first brake pad which is rotatably connected to a driving end of the brake cylinder, and further comprises a brake adjuster with one end rotatably connected with the first brake pad, and a second brake pad which is rotatably connected with the other end of the brake adjuster, wherein the brake cylinder is communicated with the control assembly.
In one possible implementation, the railcar braking system further includes a case covering the manual braking device and the basic braking device.
The rail car braking system provided by the invention has the beneficial effects that: compared with the prior art, when the control assembly of the rail car braking system controls the gas storage assembly to convey gas to the basic braking device, the basic braking device brakes the car under the action of gas pressure; when the control component controls the gas in the basic braking device to flow back to the gas storage component, the basic braking device releases the braking of the vehicle, so that the vehicle can normally run. When the gas storage assembly or the control assembly fails and the gas in the basic braking device cannot flow back to the gas storage assembly, the basic braking device cannot release the braking of the vehicle, the emergency starting assembly is pulled to enable the control assembly to exhaust the gas in the basic braking device outwards through the control assembly, the braking of the vehicle is released, and the normal operation of the vehicle is ensured. The invention can ensure that the brake of the vehicle is timely released when the air brake device fails, avoid the abrasion of wheels and ensure the normal operation of the vehicle.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of a railcar brake system provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a railcar brake system provided in an embodiment of the present invention;
FIG. 3 is a schematic structural view of an air brake apparatus employed in the embodiment of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a partial enlarged view of portion B of FIG. 3;
FIG. 6 is a schematic structural diagram of a foundation brake assembly employed in an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a manual braking device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a brake lever used in the embodiment of the present invention.
In the figure: 1. a manual brake device; 101. a hand brake; 102. a first connecting member; 103. a brake lever; 1031. a connecting shaft; 1032. a first support arm; 1033. a second support arm; 104. a second connecting member; 2. a foundation brake device; 201. a brake cylinder; 202. a first brake pad; 203. a second brake pad; 204. a brake adjuster; 3. an air brake device; 301. a gas storage tank; 302. a control component; 303. an adjustment assembly; 304. a dust collector; 305. an emergency start component; 3051. a release pull rod; 3052. a connecting rod; 4. a brake pad.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5 together, a railcar brake system according to the present invention will now be described. The rail car braking system comprises a basic braking device 2, and a manual braking device 1 and an air braking device 3 which are respectively connected with the basic braking device 2; wherein the content of the first and second substances,
the air brake device 3 comprises an air storage component, a control component 302 and an emergency starting component 305, wherein the air storage component is connected with the basic brake device 2; the control component 302 is respectively connected with the gas storage component and the basic brake device 2, and the control component 302 has a braking state for controlling the gas storage component to convey gas to the basic brake device 2 and a driving state for controlling the basic brake device 2 to return gas to the gas storage component; the emergency starting component 305 is connected with the control component 302, and the emergency starting component 305 is used for controlling the control component 302 to switch from a braking state to a driving state.
Compared with the prior art, the rail car braking system provided by the invention has the advantages that when the control component 302 of the rail car braking system controls the gas storage component to convey gas to the basic braking device 2, the basic braking device 2 brakes the car under the action of gas pressure; when the control component 302 controls the gas in the basic brake device 2 to flow back to the gas storage component, the basic brake device 2 releases the brake on the vehicle, so that the vehicle can normally operate. When the gas storage component or the control component 302 fails and the gas in the basic braking device 2 cannot flow back to the gas storage component, the basic braking device 2 cannot release the braking of the vehicle, and the emergency starting component 305 is pulled to enable the control component 302 to exhaust the gas in the basic braking device 2 outwards through the control component 302, so that the braking of the vehicle is released, and the normal operation of the vehicle is ensured. The invention can ensure that the braking of the vehicle is timely released when the air braking device 3 breaks down, avoid the abrasion of wheels and ensure the normal operation of the vehicle.
Optionally, the control assembly 302 is a control valve.
As an embodiment of the emergency starting assembly 305, referring to fig. 3 to 5, the emergency starting assembly 305 includes a connecting rod 3052 connected to the control assembly 302, and a release lever 3051 rotatably disposed at least at one end of the connecting rod 3052, wherein the connecting rod 3052 is connected to an exhaust end of the control assembly 302.
When the gas storage assembly or the control assembly 302 breaks down, the release pull rod 3051 is pressed or lifted, so that the joint of the connecting rod 3052 and the control assembly is lifted up as a fulcrum, the exhaust end of the control assembly 302 is opened, gas in the basic brake device 2 is exhausted outwards, braking on the vehicle is relieved, and the vehicle can run normally.
Optionally, the connecting rod 3052 is hinged to the release pull rod 3051 through a hinge seat.
Optionally, the relieving pull rod 3051 extends outwards from the vehicle body along a direction perpendicular to the vehicle running direction, so that the relieving pull rod 3051 is convenient to operate.
Optionally, alleviate pull rod 3051 and be equipped with two, be connected with the both ends of connecting rod 3052 respectively, alleviate pull rod 3051 through pulling one of them and can accomplish the drive to connecting rod 3052, improved the convenience of operation.
In some embodiments, referring to fig. 3, the air brake device 3 further includes an adjusting component 303 respectively connected to the control component 302 and the base brake device 2, and the adjusting component 303 is configured to adjust the output air pressure of the air storage component when the control component 302 is in the braking state.
In this embodiment, the adjusting component 303 can adjust the air pressure output from the air storage component to the basic braking device 2, and adjust the output air pressure according to the self weight and the driving speed of different vehicles, so as to control the magnitude of the braking force, thereby achieving a better braking effect.
Optionally, the adjusting component 303 may be a voltage regulator.
In some embodiments, referring to fig. 3, the air brake 3 further comprises a dust collector 304 connected to the control assembly 302 and the foundation brake 2, respectively.
The dust collector 304 is a device for collecting suspended dust and mist from the gas, and the gas output by the gas storage component can be purified by arranging the dust collector 304, so that the gas entering the foundation brake device 2 is ensured to be clean, and the service life of the whole system is prolonged.
Specifically, the dust collector 304 is provided with a switch, so that the dust collector 304 can be controlled to be turned on according to use requirements, and the cost increase caused by continuous operation of the dust collector 304 is avoided.
In some embodiments, referring to fig. 3, the gas storage assembly includes a plurality of gas storage tanks 301, and the plurality of gas storage tanks 301 are connected in parallel and then connected to the control assembly 302.
The plurality of air storage tanks 301 are arranged in parallel, and then air is conveyed to the basic braking device 2, when one air storage tank 301 breaks down, the normal operation of the whole system can be ensured, the normal running and braking of the vehicle are ensured, and the operation safety is improved.
Optionally, there are two air reservoirs 301.
In some embodiments, referring to fig. 7, the manual brake device 1 includes a manual brake 101, a first connector 102, a brake lever 103 and a second connector 104 connected in sequence, the second connector 104 is further connected to the foundation brake device 2, and the brake lever 103 is rotatably connected to the vehicle.
The hand brake 101 is operated to pull the first connecting piece 102 by taking the joint of the brake lever 103 and the vehicle as a fulcrum, the pulling force is amplified through the brake lever 103 according to the lever principle, and then the vehicle is braked through the basic brake device 2 after being transmitted through the second connecting piece 104. The brake lever 103 can amplify the braking force, and by applying a small force to the hand brake 101, the force applied after passing through the brake lever 103 is amplified, thereby achieving braking of the vehicle.
Optionally, the hand brake 101 is an NSW type hand brake 101.
Optionally, the brake lever 103 is a straight rod, and the middle part of the straight rod is rotatably connected with the vehicle to form a fulcrum. The first link 102 and the second link 104 are connected to both ends of the brake lever 103, respectively. The position of the fulcrum is adjusted so that the distance between the fulcrum and the first connecting piece 102 is different from the distance between the fulcrum and the second connecting piece 104, namely the moment arm is changed, and the braking force can be increased by changing the moment arm according to the lever principle.
In some embodiments, referring to fig. 8, the brake lever 103 includes a connecting shaft 1031, and a first arm 1032 and a second arm 1033 respectively disposed at two ends of the connecting shaft 1031, wherein the first arm 1032 and the second arm 1033 are both disposed at an angle to the connecting shaft 1031, the first arm 1032 is connected to the first connecting member 102, and the second arm 1033 is connected to the second connecting member 104.
The first support arm 1032 and the second support arm 1033 are arranged at two ends of the connecting shaft 1031 in an included angle respectively and are connected with the first connecting piece 102 and the second connecting piece 104 respectively, so that the axial conversion of the pulling force along the connecting shaft 1031 is realized, the effective transmission of the braking force is ensured, the braking effect is enhanced, the braking efficiency is improved, and the flexibility of the installation position of the braking device in the vehicle body is enlarged. According to different braking forces, the distance between the first support arm 1032 and the second support arm 1033 along the axial direction of the connecting shaft 1031 can be adjusted, so that the rail car can be adapted to different rail cars. In addition, the structure in the embodiment meets the requirements of different brake pull rod force transmission, and simultaneously realizes the multiple of amplified braking force.
In some embodiments, referring to fig. 8, the first arm 1032 and the second arm 1033 are respectively provided with a connecting hole, and the connecting holes are inserted into the connecting shaft 1031.
The first support arm 1032 and the second support arm 1033 are connected with the connecting shaft 1031 conveniently in an inserting mode, and the operation is convenient when the distance between the diameters of the first support arm 1032 and the second support arm 1033 is adjusted. And the connecting hole is convenient to process, so that the cost is saved.
In some embodiments, referring to fig. 8, the first arm 1032 and the second arm 1033 are perpendicular to the axis of the connecting shaft 1031, respectively.
The first support arm 1032 and the second support arm 1033 are perpendicular to the axis of the connecting shaft 1031, so that conversion of braking tension can be achieved, amplification of the braking tension can be achieved through a lever principle, and braking of a vehicle can be achieved.
Optionally, the first arm 1032, the connecting shaft 1031, and the second arm 1033 are U-shaped.
In some embodiments, referring to fig. 6, the basic brake device 2 includes a brake cylinder 201 and a first brake pad 202 rotatably connected to a driving end of the brake cylinder 201, and further includes a brake adjuster 204 rotatably connected to the first brake pad 202 at one end, and a second brake pad 203 rotatably connected to the other end of the brake adjuster 204, wherein the brake cylinder 201 is in communication with a control assembly 302.
When the control module 302 enables the air storage module to deliver air to the brake cylinder 201, the driving end of the brake cylinder 201 pulls the first brake pad 202, the brake adjuster 204 pulls the second brake pad 203 synchronously, and the first brake pad 202 and the second brake pad 203 are pulled to brake the vehicle. Similarly, when the control module 302 enables the gas in the brake cylinder 201 to flow back to the gas storage module, the driving end of the brake cylinder 201 controls the first brake pad 202 to rotate reversely, the brake adjuster 204 enables the second brake pad 203 to rotate synchronously and reversely, and the first brake pad 202 and the second brake pad 203 rotate reversely to achieve the purpose of releasing the brake of the vehicle.
The first brake pad 202 and the second brake pad 203 are connected to the two brake pads 4 of the wheel, respectively, and the first brake pad 202 and the second brake pad 203 control frictional force between the two brake pads 4 and the vehicle, respectively, to achieve braking.
In some embodiments, not shown, the railcar braking system further includes a housing that houses the air brake 3 and the foundation brake 2.
The box bodies are arranged outside the air brake device 3 and the foundation brake device 2, so that the air brake device 3 and the foundation brake device 2 can be effectively prevented from being collided by foreign objects or corroded by rainwater, and the service lives of the air brake device 3 and the foundation brake device 2 can be prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The rail car braking system is characterized by comprising a basic braking device, a manual braking device and an air braking device, wherein the manual braking device and the air braking device are respectively connected with the basic braking device; wherein the content of the first and second substances,
the air brake device includes:
the gas storage component is connected with the basic braking device;
the control assembly is respectively connected with the gas storage assembly and the basic braking device, and the control assembly has a braking state for controlling the gas storage assembly to convey gas to the basic braking device and a driving state for controlling the basic braking device to return gas to the gas storage assembly; and
and the emergency starting component is connected with the control component and is used for controlling the control component to be switched from the braking state to the driving state.
2. The railcar brake system according to claim 1, wherein said air brake further comprises an adjustment assembly coupled to said control assembly and said foundation brake device, respectively, said adjustment assembly adapted to adjust the output air pressure of said air storage assembly when said control assembly is in a braking condition.
3. The railcar brake system of claim 1, wherein said air brake further comprises a dust collector coupled to said control assembly and said foundation brake, respectively.
4. The railcar brake system according to claim 1, wherein said air storage assembly comprises a plurality of air storage tanks connected in parallel to said control assembly.
5. The railcar brake system according to claim 1, wherein said manual brake comprises a hand brake, a first connector, a brake lever, and a second connector connected in series, said second connector further connected to said foundation brake, said brake lever pivotally connected to the vehicle.
6. The railcar brake system according to claim 5, wherein said brake lever comprises a connecting shaft and a first arm and a second arm respectively disposed at both ends of said connecting shaft, said first arm and said second arm both being disposed at an angle to said connecting shaft, said first arm being connected to said first connector, said second arm being connected to said second connector.
7. The railcar brake system according to claim 6, wherein said first arm and said second arm are respectively provided with a connecting hole, and said connecting holes are inserted into said connecting shaft.
8. The railcar brake system according to claim 6, wherein said first arm and said second arm are each perpendicular to the axis of said connecting shaft.
9. The railcar brake system as in claim 1 wherein said foundation brake device comprises a brake cylinder and a first brake pad rotatably connected to a drive end of said brake cylinder, further comprising a brake modulator rotatably connected at one end to said first brake pad and a second brake pad rotatably connected to the other end of said brake modulator, said brake cylinder being in communication with said control assembly.
10. The railcar brake system of claim 1 further comprising a housing enclosing said hand brake and said foundation brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248631.XA CN114475691A (en) | 2022-03-14 | 2022-03-14 | Rail car braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248631.XA CN114475691A (en) | 2022-03-14 | 2022-03-14 | Rail car braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114475691A true CN114475691A (en) | 2022-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210248631.XA Pending CN114475691A (en) | 2022-03-14 | 2022-03-14 | Rail car braking system |
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| CN (1) | CN114475691A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010198A (en) * | 2012-12-25 | 2013-04-03 | 南车长江车辆有限公司 | Integrated control type braking system of railway wagon |
| CN104494640A (en) * | 2014-12-03 | 2015-04-08 | 南车石家庄车辆有限公司 | Wagon braking device |
| US20160280195A1 (en) * | 2013-11-14 | 2016-09-29 | Wabtec Holding Corp. | Hand Brake Determination Method and System for an Air Brake System and Improved Hand Brake Arrangement |
| CN209634486U (en) * | 2018-12-27 | 2019-11-15 | 中车太原机车车辆有限公司 | The brake apparatus of special flat car |
| CN210971037U (en) * | 2019-08-13 | 2020-07-10 | 苏野 | Basic brake device for railway freight train |
| CN114132298A (en) * | 2021-11-29 | 2022-03-04 | 中车山东机车车辆有限公司 | Brake system, vehicle and method for single-axle bogie railway vehicle |
-
2022
- 2022-03-14 CN CN202210248631.XA patent/CN114475691A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010198A (en) * | 2012-12-25 | 2013-04-03 | 南车长江车辆有限公司 | Integrated control type braking system of railway wagon |
| US20160280195A1 (en) * | 2013-11-14 | 2016-09-29 | Wabtec Holding Corp. | Hand Brake Determination Method and System for an Air Brake System and Improved Hand Brake Arrangement |
| CN104494640A (en) * | 2014-12-03 | 2015-04-08 | 南车石家庄车辆有限公司 | Wagon braking device |
| CN209634486U (en) * | 2018-12-27 | 2019-11-15 | 中车太原机车车辆有限公司 | The brake apparatus of special flat car |
| CN210971037U (en) * | 2019-08-13 | 2020-07-10 | 苏野 | Basic brake device for railway freight train |
| CN114132298A (en) * | 2021-11-29 | 2022-03-04 | 中车山东机车车辆有限公司 | Brake system, vehicle and method for single-axle bogie railway vehicle |
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