CN211166903U - Braking system of track flat car - Google Patents
Braking system of track flat car Download PDFInfo
- Publication number
- CN211166903U CN211166903U CN201922245207.6U CN201922245207U CN211166903U CN 211166903 U CN211166903 U CN 211166903U CN 201922245207 U CN201922245207 U CN 201922245207U CN 211166903 U CN211166903 U CN 211166903U
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- Prior art keywords
- valve
- air
- brake
- pressure reducing
- flat car
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- 230000001133 acceleration Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses a track flatbed braking system, including 120 distribution valves and sensing valves, 120 distribution valves are connected with vice reservoir, accelerated release bellows, relief pressure valve and train pipe main interface respectively through the air conduit, the relief pressure valve is connected with brake cylinder and step-down bellows respectively through the air conduit, the sensing valves are connected with brake cylinder and the relief pressure valve respectively through the air conduit; the pressure reducing valve, the 120 distribution valve, the accelerated release bellows, the pressure reducing bellows, the auxiliary reservoir and the brake cylinder are distributed on two sides of a middle beam of the vehicle body. The utility model discloses there are great overload adaptability and safe deposit, its brake pressure can be along with the increase of load weight, and brake pressure can progressively increase to reach best braking effect. In addition, the brake system has small brake force attenuation in application and high brake action sensitivity.
Description
Technical Field
The utility model relates to a braking system field particularly, relates to a track flatbed braking system.
Background
At present, a plurality of locomotives are in a direct action mode of a GK type brake system two pressure mechanisms, the action performance is simple, the structural form is backward, the action sensitivity is low, the brake wave speed is low, the brake force attenuation is serious in application, and the locomotive brake system is not suitable for the requirements of high-speed and long trains. Meanwhile, as a plurality of metal grinding pieces are used, the overhauling workload is large and the overhauling period is short.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a track flatbed braking system can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
a braking system of a rail flat car comprises a 120 distribution valve and a sensing valve, wherein the 120 distribution valve is respectively connected with an auxiliary air cylinder, an acceleration relieving air box, a pressure reducing valve and a train pipe main interface through air pipelines; the pressure reducing valve, the 120 distribution valve, the accelerated release bellows, the pressure reducing bellows, the auxiliary reservoir and the brake cylinder are distributed on two sides of a middle beam of the vehicle body.
Furthermore, a cut-off valve is arranged between the train pipe main interface and the 120 distribution valve.
Further, a telecentric dust collector is arranged between the cut-off valve and the 120 distribution valve.
Furthermore, the train pipe main interface is connected with a main air pipe.
Further, the main air pipe is a galvanized pipe.
Furthermore, a folding angle cock is arranged in the main air pipe.
The utility model has the advantages that:
1. the utility model provides an adopt the unusual problem of braking that transition zone scope between the upper limit of the often-used stability of GK type brake and the urgent sensitivity lower limit leads to too narrowly, improved the security to subway track laying construction transportation.
2. The utility model discloses make whole automobile body atress more even, reduced the risk that leads to the driving accident because of the automobile body atress is uneven.
3. The utility model discloses there are great overload adaptability and safe deposit, its brake pressure can be along with the increase of load weight, and brake pressure can progressively increase to reach best braking effect. In addition, the brake system has small brake force attenuation in application and high brake action sensitivity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a braking system of a railway flat car.
In the figure: 1. the system comprises an auxiliary air cylinder, 2.120 distribution valves, 3 acceleration relieving air boxes, 4 pressure reducing valves, 5 train pipe main connectors, 6 braking air cylinders, 7 pressure reducing air boxes, 8 sensing valves, 9 cutoff valves, 10 telecentric dust collectors, 11 main air pipes and 12 angle cock valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1, according to the embodiment of the present invention, a braking system for a rail flat car includes a 120 distribution valve 2 and a sensing valve 8, wherein the 120 distribution valve 2 is connected to an auxiliary air cylinder 1, an acceleration release air box 3, a pressure reducing valve 4 and a train pipe main interface 5 through an air pipeline, the pressure reducing valve 4 is connected to a braking air cylinder 6 and a pressure reducing air box 7 through an air pipeline, and the sensing valve 8 is connected to the braking air cylinder 6 and the pressure reducing valve 4 through an air pipeline; the pressure reducing valve 4, the 120 distribution valve 2, the acceleration relieving air box 3, the pressure reducing air box 7, the auxiliary air cylinder 1 and the brake cylinder 6 are distributed on two sides of a middle beam of the vehicle body.
In a specific embodiment of the present invention, a cut-off valve 9 is disposed between the train pipe main interface 5 and the 120-way distribution valve 2.
In a particular embodiment of the invention, a telecentric dust collector 10 is arranged between the shut-off valve 9 and the 120-way distribution valve 2.
In a specific embodiment of the present invention, the train pipe main interface 5 is connected with a main air pipe 11.
In one embodiment of the present invention, the main air pipe 11 is a galvanized pipe.
In a specific embodiment of the present invention, a folding angle cock 12 is provided in the main air pipe.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When the brake valve is moved to the pushing position by a driver, a part of compressed air of the main air pipe 11 is discharged to the atmosphere, the auxiliary air cylinder 1 and the accelerated release air box 3 are used for storing pressure air, the auxiliary air cylinder 1 is used as an air source to charge the pressure air into the brake cylinder 6 through the 120 distribution valve 2 in the braking working condition, so that the brake cylinder 6 generates the braking action, the brake shoe tightly holds the wheel to brake through the transmission of the brake rod, the braking effect of the brake is improved by more than 30% compared with that of a GK valve braking system, in addition, the air pressure of the auxiliary air cylinder 1 is also used as a control pressure of the 120 distribution valve 2, the volume of the auxiliary air cylinder is matched with the size of the brake cylinder 6, the diameter of the brake cylinder is 356mm, the volume of the auxiliary air cylinder 1 is 60L, and the air cylinder 3 is used as an air source to charge the pressure air into the main air pipe 11 through the 120 distribution valve 2 in the accelerated release condition of the release air box 3, so that the main air pipe 11 generates the local pressurization action, and the volume.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A braking system of a track flat car comprises a 120 distribution valve (2) and a sensing valve (8), and is characterized in that the 120 distribution valve (2) is respectively connected with an auxiliary air cylinder (1), an acceleration relieving air box (3), a pressure reducing valve (4) and a train pipe main interface (5) through air pipelines, the pressure reducing valve (4) is respectively connected with a braking air cylinder (6) and a pressure reducing air box (7) through air pipelines, and the sensing valve (8) is respectively connected with the braking air cylinder (6) and the pressure reducing valve (4) through air pipelines; the pressure reducing valve (4), the 120 distribution valve (2), the acceleration relieving air box (3), the pressure reducing air box (7), the auxiliary air cylinder (1) and the brake air cylinder (6) are distributed on two sides of a middle beam of the vehicle body.
2. The rail flat car brake system according to claim 1, wherein a cut-off valve (9) is provided between the train pipe main interface (5) and the 120-way distribution valve (2).
3. Braking system according to claim 2, characterized in that a telecentric dust collector (10) is arranged between the shut-off valve (9) and the 120-way distribution valve (2).
4. The rail flat car brake system according to claim 1, characterized in that a main air pipe (11) is connected to the train pipe main interface (5).
5. The rail flat car brake system according to claim 4, characterized in that the main air pipe (11) is a galvanized pipe.
6. The rail flat car brake system according to claim 4, characterized in that a dog-ear cock (12) is provided in the main air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245207.6U CN211166903U (en) | 2019-12-13 | 2019-12-13 | Braking system of track flat car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245207.6U CN211166903U (en) | 2019-12-13 | 2019-12-13 | Braking system of track flat car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211166903U true CN211166903U (en) | 2020-08-04 |
Family
ID=71817948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922245207.6U Expired - Fee Related CN211166903U (en) | 2019-12-13 | 2019-12-13 | Braking system of track flat car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211166903U (en) |
-
2019
- 2019-12-13 CN CN201922245207.6U patent/CN211166903U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |