CN110758451A - Braking method for rail vehicle - Google Patents
Braking method for rail vehicle Download PDFInfo
- Publication number
- CN110758451A CN110758451A CN201911200354.XA CN201911200354A CN110758451A CN 110758451 A CN110758451 A CN 110758451A CN 201911200354 A CN201911200354 A CN 201911200354A CN 110758451 A CN110758451 A CN 110758451A
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- China
- Prior art keywords
- rail
- braking
- brake
- railway vehicle
- foundation
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch blocks, skids, or like track-engaging shoes
- B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
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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
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/12—Grippers co-operating frictionally with tracks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a braking method of a railway vehicle, which comprises the following measures: (1) the rail vehicle is provided with rail brake accessories on two sides of a running rail of the rail vehicle, a corresponding rail brake executing device is arranged on the rail vehicle, and when braking is needed, the rail brake executing device acts and is close to or in contact with the rail brake accessories and interacts with the rail brake accessories, so that the rail vehicle is subjected to resistance. Further, the method also comprises the following steps: (2) the method comprises the following steps that a foundation brake accessory is arranged on a rail foundation, a corresponding foundation brake executing device is arranged on a rail vehicle, and when braking is needed, the foundation brake executing device acts and is close to or in contact with the foundation brake accessory and interacts with the foundation brake accessory, so that the rail vehicle is subjected to a resistance effect; (3) the structure with the adjustable pneumatic appearance is arranged on the railway vehicle, and when the railway vehicle needs to be braked, the wind resistance of the running railway vehicle is increased by adjusting the pneumatic appearance of the railway vehicle. The invention solves the problems that the existing braking mode of the railway vehicle can not meet the requirement of accelerating the railway vehicle and can not be reliably stopped.
Description
Technical Field
The invention relates to a braking method for a rail vehicle.
Background
With the technical development of modern rail vehicles, the requirement for improving the running speed of the rail vehicles is higher and higher, however, the braking of the rail vehicles is the basis for improving the speed of the rail vehicles, the safe and efficient braking can greatly reduce the danger of the running rail vehicles brought by the external environment.
At present, the braking of a railway vehicle basically adopts the braking of wheels, the braking is mainly realized by the sliding friction between the wheels and the surface of a steel rail, and a kinematic formula shows that under the braking mode, the braking distance of the railway vehicle is in direct proportion to the running speed of the railway vehicle, and the running speed of the railway vehicle cannot be continuously improved after reaching the maximum speed corresponding to the safe braking distance due to the constraint of the safe braking distance, and the existing braking mode cannot meet the requirement of the lifting speed of the railway vehicle; in addition, under the existing braking mode, when the rail vehicle is attacked by strong wind, because the friction between the wheel and the rail is small, the rail cannot provide enough counterforce for the rail vehicle to resist the strong wind force, and the rail vehicle often moves and cannot be reliably parked, so that certain potential safety hazards exist.
Disclosure of Invention
The invention provides a braking method of a railway vehicle, aiming at solving the problems that the existing braking mode of the railway vehicle cannot meet the requirement of accelerating the railway vehicle and can not be stopped reliably.
The technical scheme adopted by the invention is as follows:
a method for braking a rail vehicle, comprising the following measures: (1) the rail braking executing device acts and is close to or contacted with the rail braking accessories and interacts with the rail braking accessories when the rail vehicle needs to be braked, so that the rail braking executing device is subjected to resistance action, and further the rail vehicle is subjected to the resistance action, and the braking purpose is achieved.
Preferably, the braking method of a rail vehicle further comprises the steps of: (2) the foundation brake executing device acts and is close to or contacted with the foundation brake accessory and interacts with the foundation brake accessory when the railway vehicle needs to be braked, so that the foundation brake executing device is subjected to resistance action, and further the railway vehicle is subjected to resistance action, and the braking purpose is achieved.
Preferably, the braking method of a rail vehicle further comprises the steps of: (3) the pneumatic appearance adjustable structure is arranged on the railway vehicle, and when the railway vehicle needs to be braked, the wind resistance of the running railway vehicle is increased by adjusting the pneumatic appearance of the railway vehicle, so that the aim of braking is fulfilled.
Preferably, in the measure (1), the track brake executing device acts and is in contact with and rubs against the track brake accessory, and the pressure applied by the track brake executing device on the track brake accessory is infinitely adjustable.
Preferably, in the step (2), the foundation brake executing device acts and is in contact with and rubs against the foundation brake attachment, and the pressure applied by the foundation brake executing device on the foundation brake attachment is infinitely adjustable.
Preferably, in the measure (3), a wind resistance plate with a stepless adjustable inclination angle of 90-180 degrees is arranged on the roof of the railway vehicle, and when the railway vehicle runs normally, the inclination angle of the wind resistance plate is 180 degrees; when the rail vehicle needs to be braked, the wind resistance plate is lifted, and the inclination angle of the wind resistance plate can be steplessly adjusted according to the needs.
Preferably, the foundation brake attachment is provided on a sleeper of a track foundation.
Preferably, in the measure (1), a rail brake driving device is further arranged on the rail vehicle, and the rail brake executing device is driven by the rail brake driving device; or/and in the measure (2), a foundation brake driving device is further arranged on the railway vehicle, and the foundation brake actuating device is driven by the foundation brake driving device.
Preferably, the track brake actuator is rotatable in a vertical plane and translatable in a horizontal plane.
Preferably, the rail brake accessories arranged on the two sides of the running rail of the rail vehicle can be detachably replaced, or/and the foundation brake accessories arranged on the foundation of the rail can be detachably replaced.
The braking mode of the rail vehicle is expanded from the existing rotation restriction on the wheels and the sliding friction between the wheels and the surface of the steel rail to the braking force obtained by adding the rail brake actuating device and the rail brake accessory, further, the braking force is obtained by adding the foundation brake actuating device and the foundation brake accessory, and the braking force is obtained by increasing the wind resistance, so that the braking force can be greatly increased when the rail vehicle is braked, the braking distance of the rail vehicle running at higher speed is still kept within a safe braking distance, and the speed-up requirement of the rail vehicle is met; in addition, under the braking mode of the invention, when the rail vehicle is attacked by strong wind, each braking measure can provide enough counterforce for the rail vehicle to resist the force of the strong wind, the rail vehicle basically cannot move, the reliable parking can be realized, and the potential safety hazard is eliminated.
Drawings
FIG. 1 is a schematic structural diagram of a railway vehicle and a railway track in a non-braking state according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the rail vehicle and rail shown in FIG. 1 in a braking state;
FIG. 3 is a schematic bottom view of the railway vehicle and the track shown in FIG. 1 in a braking state;
in the figure: 1. crossties; 11. a foundation braking accessory; 2. a steel rail; 21. a track brake accessory; 3. a rail vehicle; 31. a wind resistance plate; 32. a rail brake actuator; 33. a track brake actuator; 34. a foundation brake driving device; 35. ground braking executive device.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the various drawings of the present application, the dimensions of certain structures or portions may be exaggerated relative to other structures or portions for ease of illustration.
As shown in fig. 1 to 3, the braking method of the rail vehicle of the embodiment includes the following three measures:
(1) the rail braking device comprises rail braking accessories 21 (such as friction strips) which are detachably replaced and arranged on two sides of a running rail (namely a steel rail 2) of a rail vehicle 3, corresponding rail braking executing devices 33 and rail braking driving devices 32 are arranged on the rail vehicle 3, the rail braking executing devices 33 can rotate in a vertical plane and translate in a horizontal plane, the rail braking driving devices 32 can adopt driving modes such as pneumatic driving, hydraulic driving, electromagnetic driving or electromechanical driving, and when the rail vehicle 3 needs to be braked, the rail braking driving devices 32 drive the rail braking executing devices 33 to act, so that the rail braking executing devices 33 rotate and press the rail braking accessories 21, and braking force is obtained to achieve the purpose of braking; according to the requirement, the pressure applied to the rail brake accessory 21 by the rail brake executing device 33 can be adjusted steplessly, so that the required braking force is achieved;
(2) the method comprises the following steps that a detachable and replaceable foundation brake accessory 11 is installed on a sleeper 1 of a rail foundation, a corresponding foundation brake actuating device 35 and a foundation brake driving device 34 are installed on a rail vehicle 3, the foundation brake driving device 34 can adopt pneumatic driving, hydraulic driving, electromagnetic driving or electromechanical driving and other driving modes, when the rail vehicle 3 needs to be braked, the foundation brake actuating device 34 drives the foundation brake actuating device 35 to move downwards, so that the foundation brake actuating device 35 is pressed on the foundation brake accessory 11, and braking force is obtained, and the braking purpose is achieved; the pressure applied by the foundation brake actuator 35 to the foundation brake attachment 11 can be adjusted steplessly as needed to achieve the desired braking force.
(3) The top of the railway vehicle 3 is provided with a wind resistance plate 31 with an inclination angle of 90-180 degrees which can be steplessly adjusted, and when the railway vehicle runs normally, the wind resistance plate 31 is in a retracted state (namely the inclination angle of the wind resistance plate 31 is 180 degrees) so as to ensure that the wind resistance of the railway vehicle 3 during running is as small as possible; when the rail vehicle 3 needs to be braked, the wind resistance plate 31 is lifted (the inclination angle of the wind resistance plate 31 can be steplessly adjusted according to the needs) so as to increase the wind resistance of the running rail vehicle 3, thereby achieving the purpose of braking; when the inclination angle of the wind resistance plate 31 is between 90 and 180 degrees, the downward component force of the wind resistance force applied to the wind resistance plate 31 can increase the positive pressure of the wheels of the rail vehicle 3 acting on the steel rail 2, so that the friction force between the wheels and the surface of the steel rail 2 is increased, and an unexpected new braking force is obtained.
Obviously, the above embodiments are not all embodiments of the present invention, and many simple changes may be made without departing from the technical essence thereof, for example, the rail braking accessory is formed by a sprayable and solidified wear-resistant substance, the rail braking accessory is arranged on both sides of the rail in a spraying manner in a non-detachable and replaceable manner, and the rail braking accessory is updated in a supplementary spraying manner after being worn; the rail brake accessory and the rail brake actuating device are made of materials which can generate magnetic resistance through interaction, when the rail vehicle needs to be braked, the rail brake actuating device is close to but not in contact with the rail brake accessory, and the magnetic resistance generated through interaction of the rail brake actuating device and the rail brake accessory is used as braking force to achieve the braking purpose; the foundation brake accessory and the foundation brake actuating device are made of materials which can generate magnetic resistance through interaction, when the railway vehicle needs to be braked, the foundation brake actuating device is close to but not in contact with the foundation brake accessory, and the magnetic resistance generated through interaction of the foundation brake actuating device and the foundation brake accessory is used as braking force to achieve the braking purpose; the track brake driving device or/and the foundation brake driving device are not specially arranged, and are served by the driving device of the railway vehicle; the wind-resistance plate is provided on one side or both sides of the body of the rail vehicle, and so on, and will not be described herein.
The braking mode of the rail vehicle is expanded from the existing rotation restriction on the wheels and the sliding friction between the wheels and the surface of the steel rail to the braking force obtained by adding the rail brake actuating device and the rail brake accessory, further, the braking force is obtained by adding the foundation brake actuating device and the foundation brake accessory, and the braking force is obtained by increasing the wind resistance, so that the braking force can be greatly increased when the rail vehicle is braked, the braking distance of the rail vehicle running at higher speed is still kept within a safe braking distance, and the speed-up requirement of the rail vehicle is met; in addition, under the braking mode of the invention, when the rail vehicle is invaded by strong wind, each braking measure can provide enough counterforce for the rail vehicle to resist the strong wind, the rail vehicle basically does not move, reliable parking can be realized, potential safety hazards are eliminated, and the problems that the existing braking mode of the rail vehicle cannot meet the speed-up requirement of the rail vehicle and the rail vehicle can be reliably parked are solved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention should be construed as being limited thereto.
Claims (10)
1. A method of braking a rail vehicle, characterized by: the method comprises the following steps: (1) the rail braking executing device acts and is close to or contacted with the rail braking accessories and interacts with the rail braking accessories when the rail vehicle needs to be braked, so that the rail braking executing device is subjected to resistance action, and further the rail vehicle is subjected to the resistance action, and the braking purpose is achieved.
2. The method of braking a railway vehicle according to claim 1, characterized in that: the method also comprises the following steps: (2) the foundation brake executing device acts and is close to or contacted with the foundation brake accessory and interacts with the foundation brake accessory when the railway vehicle needs to be braked, so that the foundation brake executing device is subjected to resistance action, and further the railway vehicle is subjected to resistance action, and the braking purpose is achieved.
3. A braking method of a rail vehicle according to any one of claims 1 or 2, characterized in that: the method also comprises the following steps: (3) the pneumatic appearance adjustable structure is arranged on the railway vehicle, and when the railway vehicle needs to be braked, the wind resistance of the running railway vehicle is increased by adjusting the pneumatic appearance of the railway vehicle, so that the aim of braking is fulfilled.
4. The method of braking a railway vehicle according to claim 1, characterized in that: in the measure (1), the track brake executing device acts and is in contact with and rubs against the track brake accessory, and the pressure applied to the track brake accessory by the track brake executing device is infinitely adjustable.
5. The braking method of a railway vehicle according to claim 2, characterized in that: in the measure (2), the foundation brake executing device acts and is in contact with and rubs against the foundation brake accessory, and the pressure applied by the foundation brake executing device on the foundation brake accessory is infinitely adjustable.
6. A braking method of a rail vehicle according to claim 3, characterized in that: in the measure (3), the top of the railway vehicle is provided with a wind resistance plate with a stepless adjustable inclination angle of 90-180 degrees, and when the railway vehicle runs normally, the inclination angle of the wind resistance plate is 180 degrees; when the rail vehicle needs to be braked, the wind resistance plate is lifted, and the inclination angle of the wind resistance plate can be steplessly adjusted according to the needs.
7. The method of braking a railway vehicle according to claim 1, characterized in that: the foundation brake attachment is mounted above a sleeper of a rail foundation.
8. The braking method of a railway vehicle according to claim 2, characterized in that: in the measure (1), a rail brake driving device is further arranged on the rail vehicle, and the rail brake executing device is driven by the rail brake driving device; or/and in the measure (2), a foundation brake driving device is further arranged on the rail vehicle, and the foundation brake actuating device is driven by the foundation brake driving device.
9. The method of braking a railway vehicle according to claim 1, characterized in that: the track brake actuator can rotate in a vertical plane and translate in a horizontal plane.
10. The braking method of a railway vehicle according to claim 2, characterized in that: the rail brake accessories arranged on the two sides of the running rail of the rail vehicle can be disassembled and replaced, or/and the foundation brake accessories arranged on the foundation of the rail can be disassembled and replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200354.XA CN110758451A (en) | 2019-11-29 | 2019-11-29 | Braking method for rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200354.XA CN110758451A (en) | 2019-11-29 | 2019-11-29 | Braking method for rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110758451A true CN110758451A (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911200354.XA Pending CN110758451A (en) | 2019-11-29 | 2019-11-29 | Braking method for rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110758451A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113968260A (en) * | 2021-11-19 | 2022-01-25 | 何宏伟 | Rail double-power operation vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201026889Y (en) * | 2007-04-13 | 2008-02-27 | 叶晞 | Steel rail framework insertion type frictional braking panel |
| CN201890239U (en) * | 2010-12-16 | 2011-07-06 | 中国船舶重工集团公司第七一○研究所 | Hydraulic rail-clamping brake device |
| CN103121443A (en) * | 2011-11-19 | 2013-05-29 | 李忠华 | Prompt braking assembly |
| CN103213599A (en) * | 2013-03-06 | 2013-07-24 | 北京航空航天大学 | Wind resistance braking device applied to high-speed train |
| CN203126883U (en) * | 2012-05-15 | 2013-08-14 | 山东科技大学 | Novel fixed rail clamping mining brake |
| CN206383972U (en) * | 2017-01-03 | 2017-08-08 | 孟献东 | A kind of mine car parking a piece of wood serving as a brake to halt a carriage |
| CN107985332A (en) * | 2017-09-13 | 2018-05-04 | 同济大学 | A kind of high-speed maglev train sure brake system |
| CN209617147U (en) * | 2019-01-03 | 2019-11-12 | 江苏远兴集团建设有限公司 | A kind of self-propelled hoisting platform Special braking cohesion device |
| CN110497798A (en) * | 2018-05-18 | 2019-11-26 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | A kind of associated braking system and method |
-
2019
- 2019-11-29 CN CN201911200354.XA patent/CN110758451A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201026889Y (en) * | 2007-04-13 | 2008-02-27 | 叶晞 | Steel rail framework insertion type frictional braking panel |
| CN201890239U (en) * | 2010-12-16 | 2011-07-06 | 中国船舶重工集团公司第七一○研究所 | Hydraulic rail-clamping brake device |
| CN103121443A (en) * | 2011-11-19 | 2013-05-29 | 李忠华 | Prompt braking assembly |
| CN203126883U (en) * | 2012-05-15 | 2013-08-14 | 山东科技大学 | Novel fixed rail clamping mining brake |
| CN103213599A (en) * | 2013-03-06 | 2013-07-24 | 北京航空航天大学 | Wind resistance braking device applied to high-speed train |
| CN206383972U (en) * | 2017-01-03 | 2017-08-08 | 孟献东 | A kind of mine car parking a piece of wood serving as a brake to halt a carriage |
| CN107985332A (en) * | 2017-09-13 | 2018-05-04 | 同济大学 | A kind of high-speed maglev train sure brake system |
| CN110497798A (en) * | 2018-05-18 | 2019-11-26 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | A kind of associated braking system and method |
| CN209617147U (en) * | 2019-01-03 | 2019-11-12 | 江苏远兴集团建设有限公司 | A kind of self-propelled hoisting platform Special braking cohesion device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113968260A (en) * | 2021-11-19 | 2022-01-25 | 何宏伟 | Rail double-power operation vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200207 |
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| RJ01 | Rejection of invention patent application after publication |