CN201198323Y - Gas-liquid conversion type braking device - Google Patents
Gas-liquid conversion type braking device Download PDFInfo
- Publication number
- CN201198323Y CN201198323Y CNU2008202072199U CN200820207219U CN201198323Y CN 201198323 Y CN201198323 Y CN 201198323Y CN U2008202072199 U CNU2008202072199 U CN U2008202072199U CN 200820207219 U CN200820207219 U CN 200820207219U CN 201198323 Y CN201198323 Y CN 201198323Y
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- brake
- pressure
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- oil
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- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Braking Systems And Boosters (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model discloses a gas-liquid conversion brake device which adopts a gas-liquid conversion hydraulic brake mechanism and is designed through the principle of converting the air pressure into the high pressure of oil liquid. When the brake is realized, compared with the same percentage, the air pressure can be amplifiede and can be directly acted on a brake unit through an oil liquid in a pipeline so as to finally apply pressure to a brake disk to generate brake. The utility model includes the clamp brake unit and the brake disc arranged on a framework as well as a pressurizing cylinder arranged and fixed on the framework. The input end of the pressure cylinder is connected with an air pressure pipeline, and the output end of the pressurizing cylinder is connected with an oil pressure pipeline; the control input part of the pressurizing cylinder is also connected with a control circuit. The clamp brake unit is connected with the oil pressure pipeline. Like the technical scheme, the utility model can be connected through by a control circuit; then compressed air is conducted into the air pressure pipeline and is fed into the pressurizing cylinder to realize the pressurizing conversion of the pressurizing cylinder; the oil liquid after being pressurized is outputted from the oil pressure pipeline to the clamp brake unit, thereby realizing the functions of gas-liquid conversion and pressurizing.
Description
Technical Field
The utility model relates to a arresting gear for rail vehicle specifically adopts the fluid pressure type arrestment mechanism of gas-liquid conversion in order to improve vehicle brake performance, belongs to the machine-building field.
Background
The braking performance of the vehicle is one of the main indexes for measuring the running performance of the rail vehicle, and is directly related to the high-speed running of the rail vehicle and the personal safety of passengers.
The basic brake device adopted at present is usually fixed on a framework of a vehicle bogie, and a common pneumatic brake mechanism directly adopts an air brake principle, wherein air pressure generated and transmitted by an air compressor is used as driving force of a brake and is transmitted to the brake through air cylinders and pipelines at different stages so as to realize the action of braking brake pads and generate braking force.
However, the conventional air brake principle and brake mechanism have disadvantages, such as large volume of the brake device mounted on the frame, more accessories, difficulty in precise control, and long brake process. With the wide use of the existing motor train unit with the speed level of 200 kilometers or more, the running speed of the rail vehicle is relatively high, and higher design requirements are provided for the performances of braking performance, sensitivity, reliability and the like of a vehicle power system.
SUMMERY OF THE UTILITY MODEL
Gas-liquid conversion formula arresting gear, its design aim at solve above-mentioned problem and adopt the fluid pressure type arrestment mechanism of gas-liquid conversion, through converting air pressure into the highly compressed principle design of fluid. When the brake is used, the air pressure can be amplified in the same ratio and directly acts on the brake unit through the oil in the pipeline, so that the brake is finally applied with pressure to the brake disc to generate the brake.
In order to achieve the above design purpose, the gas-liquid conversion type braking device comprises:
the improvement of the brake device comprises a clamp type brake unit arranged on a framework and a brake disc, and further comprises a pressure cylinder which is fixedly arranged on the framework.
The input end of the pressure cylinder is connected with the air pressure pipeline, the output end of the pressure cylinder is connected with the oil pressure pipeline, and the control input part of the pressure cylinder is also connected with the control circuit.
The clamp type brake unit is connected with the oil pressure pipeline.
According to the technical scheme and the characteristics, the control circuit can be connected, compressed air is introduced into the air pressure pipeline, the compressed air is sent into the pressure cylinder to realize pressure boost conversion, and pressurized oil is output to the clamp type brake unit from the oil pressure pipeline, so that the functions of gas-liquid conversion and pressure boost are realized.
The further refinement is that the caliper brake unit has a brake cylinder and a brake lining, the brake cylinder is connected to the oil pressure line, and the brake lining is mounted close to the brake disk (6).
When high-pressure oil is transmitted to the clamp type brake unit in the oil pressure pipeline, the brake cylinder acts and drives the brake pad on one side of the brake cylinder to move towards the direction of the brake disc and lean against the brake disc.
The brake disc is pressed along with the gradual reduction of the gap between the brake pad and the brake disc, and finally the braking principle is realized.
The brake disc can be arranged on two sides of the wheel or fixedly arranged on the axle.
In order to realize the installation of the braking device and the arrangement of pipelines, the booster cylinder, the hydraulic clamp type braking unit and the brake disc which are mentioned in the scheme of the gas-liquid conversion type braking device can be arranged into a plurality of sets of structures, and compressed air can be supplied by one main air inlet device so as to realize that the plurality of sets of braking devices simultaneously brake wheels or axles.
As described above, the utility model discloses gas-liquid conversion formula arresting gear's advantage is:
1. the complicated brake lever connecting rod component is eliminated, the miniaturization of the device is realized, and the device can meet the space requirement of compact structure of the framework.
2. The dead weight of the braking device is reduced, and the lightweight design is realized.
3. The arbitrarily amplified brake multiplying power can be obtained by adjusting the pressure cylinder, and the brake response is sensitive and the safety coefficient is high.
Drawings
Fig. 1 is a schematic plan view of a pneumatic-hydraulic switching brake device;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
as shown in fig. 1 and 2, a pressure cylinder 1, a pneumatic line 2, a control circuit 3, a hydraulic line 4, a caliper brake unit 5, a brake cylinder 51, a brake pad 52, a brake disc 6, a wheel 7, an axle 8, and a frame 9.
For ease of understanding, fig. 1 shows only the structure in which one brake disk 6 is mounted on the axle 8.
Detailed Description
the caliper brake unit 5 is provided on the frame 9.
The pressure cylinder 1 is fixedly arranged on a framework 9, the input end of the pressure cylinder 1 is connected with the air pressure pipeline 2, the output end of the pressure cylinder 1 is connected with the oil pressure pipeline 4, and the control input part of the pressure cylinder 1 is connected with the control circuit 3.
The caliper brake unit 5 is connected to the oil pressure line 4, and includes a brake cylinder 51 and a brake pad 52. The brake cylinder 51 is connected to the oil pressure line 4, and the brake pad 52 is installed and positioned close to the brake disk 6.
The brake disc 6 is fixedly mounted on an axle 8, and wheels 7 are arranged at two ends of the axle 8. When the bogie operates, the wheels 7 roll to drive the axle 8 to rotate, thereby driving the brake disc 6 to rotate.
Those skilled in the art will appreciate that on a bogie, a plurality of sets of brake discs 6 and caliper brake units 5 may be arranged. At this time, in order to ensure sufficient output, it is necessary to increase the number of the booster cylinders 1 appropriately, or to increase the capacity of the booster cylinders 1.
If a plurality of sets of air pressure pipelines 2 of the pressure cylinder 1 are arranged, the air pressure pipelines can be connected with an air source through a main air inlet pipe and can also be respectively connected with the air source.
The high-pressure oil output by the pressure cylinder 1 can be distributed to a plurality of oil pressure pipelines 4 and brake units 5 through one pipeline, so that the function that a small amount of pressure cylinders 1 drive a plurality of sets of brake units 4 is realized.
In summary, the present invention has been described only in terms of the preferred embodiments with reference to the attached drawings. Other alternative structures according to the above design concept can be derived directly from the teaching of those skilled in the art, and the other structural features obtained thereby shall also fall within the scope of protection of this patent.
Claims (3)
1. A gas-liquid conversion type brake device comprises a clamp type brake unit (5) arranged on a framework (9) and a brake disc (6), and is characterized in that: the device also comprises a pressure cylinder (1) which is fixedly arranged on the framework (9);
the input end of the pressure cylinder (1) is connected with the air pressure pipeline (2), the output end of the pressure cylinder is connected with the oil pressure pipeline (4), and the control input part of the pressure cylinder (1) is connected with the control circuit (3);
the clamp type brake unit (5) is connected with the oil pressure pipeline (4).
2. The air-liquid conversion type brake device according to claim 1, characterized in that: the caliper brake unit (5) is provided with a brake cylinder (51) and a brake pad (52);
the brake cylinder (51) is connected with the oil pressure pipeline (4), and the brake pad (52) is installed and positioned close to the brake disc (6).
3. The air-liquid conversion type brake device according to claim 1 or 2, characterized in that: and the brake discs (6) are arranged on two sides of the wheel (7) or fixedly arranged on the axle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202072199U CN201198323Y (en) | 2008-08-05 | 2008-08-05 | Gas-liquid conversion type braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202072199U CN201198323Y (en) | 2008-08-05 | 2008-08-05 | Gas-liquid conversion type braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201198323Y true CN201198323Y (en) | 2009-02-25 |
Family
ID=40449481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202072199U Expired - Lifetime CN201198323Y (en) | 2008-08-05 | 2008-08-05 | Gas-liquid conversion type braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201198323Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481442A (en) * | 2015-08-28 | 2017-03-08 | 长城汽车股份有限公司 | A kind of turbo-charger sytem and automobile |
| FR3056180A1 (en) * | 2016-09-20 | 2018-03-23 | Alstom Transport Technologies | OPTIMIZED BOGIE FOR A RAILWAY VEHICLE, IN PARTICULAR FOR TRAMWAY |
-
2008
- 2008-08-05 CN CNU2008202072199U patent/CN201198323Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481442A (en) * | 2015-08-28 | 2017-03-08 | 长城汽车股份有限公司 | A kind of turbo-charger sytem and automobile |
| CN106481442B (en) * | 2015-08-28 | 2019-03-05 | 长城汽车股份有限公司 | A kind of turbo-charger sytem and automobile |
| FR3056180A1 (en) * | 2016-09-20 | 2018-03-23 | Alstom Transport Technologies | OPTIMIZED BOGIE FOR A RAILWAY VEHICLE, IN PARTICULAR FOR TRAMWAY |
| EP3299659A1 (en) * | 2016-09-20 | 2018-03-28 | ALSTOM Transport Technologies | An optimized bogie for a railway vehicle, in particular a tramway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 10 Fuxing Road, Beijing, zip code: 100844 Co-patentee after: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. Patentee after: Transport Bureau of the Ministry of Railways Address before: 10 Fuxing Road, Beijing, zip code: 100844 Co-patentee before: CSR Sifang Locomotive and Rolling Stock Co., Ltd. Patentee before: Transport Bureau of the Ministry of Railways |
|
| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY CORPORATION Free format text: FORMER OWNER: TRANSPORT BUREAU OF RAILWAY DEPARTMENT Effective date: 20140924 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100844 HAIDIAN DISTRICT, BEIJING TO: 100844 HAIDIAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140924 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Patentee after: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. Address before: 10 Fuxing Road, Beijing, No. 100844 Patentee before: Transport Bureau of Railway Department Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee before: CHINA RAILWAY CORPORATION Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090225 |
|
| CX01 | Expiry of patent term |