CN102050134B - Air spring failure indication and braking device system - Google Patents
Air spring failure indication and braking device system Download PDFInfo
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- CN102050134B CN102050134B CN2010105878620A CN201010587862A CN102050134B CN 102050134 B CN102050134 B CN 102050134B CN 2010105878620 A CN2010105878620 A CN 2010105878620A CN 201010587862 A CN201010587862 A CN 201010587862A CN 102050134 B CN102050134 B CN 102050134B
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- valve
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- brake pipe
- controlled differential
- bellow
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- 230000000007 visual effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 6
- 241000486406 Trachea Species 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention relates to an air spring failure indication and braking device system, which is respectively connected with a brake pipe and additional air chambers of two air springs on a bogie, and comprises an indicator and three different valves, specifically, a double pneumatic control differential pressure operating valve, a shuttle valve and an air relief valve; the double pneumatic control differential pressure operating valve is communicated with the additional air chambers of the two air springs, the shuttle valve is connected with the double pneumatic control differential pressure operating valve and the air relief valve, and the air relief valve is connected with the brake pipe. The air spring failure indication and braking device system has a simple and reasonable structure, when the air springs are failed and leak air quickly, the air spring failure indication and braking device system can start the indicator by the double pneumatic control differential pressure operating valve to send visual or audio information to train staffs; and pressure difference of two air springs on the same bogie reaches 0.15 MPa, the system starts an emergency braking device, the system also can close a cut-out cock to prevent the air in the brake pipe from leakage, and normal operation cannot be influenced.
Description
Technical field
The present invention relates to a kind of railroad train safety error prevention device, specifically, relate to a kind of safe error prevention device that is applied to the railroad train air spring suspension system.
Background technology
In the operational process of railroad train, air bellow can have work under gas and the no gas two states.When no gaseity, load acts directly on the emergent rubber spring from car body, because the rigidity of emergent rubber spring, makes have the running state of gas, two kinds of situation of no gas to differ widely greater than whole spring, has certain potential safety hazard.Simultaneously; Because air bellow is when et out of order; There is not the air bellow accident indicator on the train; The road man can not find timely that air bellow breaks down, and the fault of air bellow is detected processing effectively, and the fault of air bellow only could be found when overhauling and safeguarding.Therefore, in train high-speed cruising process, in case air bellow breaks down, and the road man fails in time to find and make to detect effectively to handle, and then very easily has an accident, even jeopardizes personnel's life security by bus.
Summary of the invention
The objective of the invention is in operational process, handle the problems referred to above such as causing potential safety hazard, a kind of have air bellow indicating fault and emergency braking function and air bellow indicating fault and brake equipment system simple and reasonable, safe in utilization are provided because the air bellow et out of order can not in time detect to existing railroad train.
Technical scheme of the present invention is: a kind of air bellow indicating fault and brake equipment system; This system respectively with brake pipe and bogie truck on the auxiliary chamber of two air bellows be connected, described system comprises indicating device and double air controlled differential displacing valve, shuttle valve, three different valves of vent valve; The double air controlled differential displacing valve is communicated with the auxiliary chamber of two air bellows, is used for when the air bellow et out of order, starting the concurrent feed signals of indicating device; Shuttle valve connects double air controlled differential displacing valve and vent valve, the unlike signal of double air controlled differential displacing valve is changed into same signal pass to vent valve; Vent valve is connected with brake pipe, is used to make brake pipe to be communicated with atmosphere and produces the emergency braking effect;
Preferably, described double air controlled differential displacing valve is a three position five-way valve, mainly comprises valve body and valve gap, and valve gap is installed in an end of valve body, is provided with sleeve in the valve body, is set with piston in the cylindrical shell of sleeve, and the both sides of piston are respectively arranged with a limit retaining and form; Be connected with four tracheaes on the valve body, wherein, two is air inlet pipe, and other two is freeing pipe; Two air inlet pipes are connected with the auxiliary chamber of two air bellows respectively, and two freeing pipes are communicated with indicating device and shuttle valve respectively; The middle position of valve body bottom is provided with an open to atmosphere aperture, and when the air bellow normal operation, the atmospheric pressure value at piston two ends is identical, and piston mediates, two freeing pipes and atmosphere;
Preferably, described indicating device comprises pressure relay and indicator lamp, and pressure relay is electrically connected with indicator lamp, and pressure relay is connected with the double air controlled differential displacing valve through gas circuit;
Preferably, described indicator lamp is arranged on the bogie truck of train, perhaps is arranged in the crew member operating room, is used for sending visual signal to the staff;
Preferably, described shuttle valve also is connected with a steam whistle;
Preferably, be provided with cut out cock between described vent valve and the brake pipe, vent valve is connected with brake pipe through cut out cock.
The invention has the beneficial effects as follows: the present invention is simple and reasonable; When the air bellow et out of order leaked gas fast, air bellow indicating fault and brake equipment system can start indicating device through the double air controlled differential displacing valve and send vision or auditory information to train crews; And when the pressure reduction of two air bellows on the same bogie truck reaches 0.15MPa, this system start-up emergency braking apparatus, the present invention can also can not reveal the gas of brake pipe through closing cut out cock, can not influence the normal operation of train.
Description of drawings
Accompanying drawing 1 is the structural representation of the specific embodiment of the invention;
Accompanying drawing 2 is the structural representation of the double air controlled differential displacing valve of the specific embodiment of the invention;
Accompanying drawing 3 is the connection pneumatic diagram of the specific embodiment of the invention;
Accompanying drawing 4 is the fundamental diagram of the specific embodiment of the invention.
The specific embodiment
The specific embodiment of the present invention: shown in Fig. 1 to 4; A kind of air bellow indicating fault and brake equipment system; This system 1 respectively with brake pipe 2 and bogie truck 3 on the auxiliary chamber 6,7 of two air bellows 4,5 be connected, described system 1 comprises indicating device 8,9 and double air controlled differential displacing valve 10, shuttle valve 11,12 3 different valves of vent valve; Double air controlled differential displacing valve 10 is communicated with the auxiliary chamber 6,7 of two air bellows 4,5, is used for when the air bellow et out of order, starting the concurrent feed signals of indicating device; Shuttle valve 11 connects double air controlled differential displacing valves 10 and vent valves 12, the unlike signal of double air controlled differential displacing valve 10 is changed into same signal pass to vent valve 12; Vent valve 12 is connected with brake pipe 2, is used to make brake pipe 2 to be communicated with atmosphere and produces the emergency braking effect.Double air controlled differential displacing valve 10 is a three position five-way valve; Mainly comprise valve body 13 and valve gap 14, valve gap 14 is installed in an end of valve body 13, is provided with sleeve 15 in the valve body 13; Be set with piston 16 in the cylindrical shell of sleeve 15, the both sides of piston 16 are respectively arranged with a limit retaining and form 17; Be connected with four tracheaes on the valve body 13, wherein, two is air inlet pipe 18, and other two is freeing pipe 19; Two air inlet pipes 18 are connected with the auxiliary chamber 6,7 of two air bellows 4,5 respectively; Two freeing pipes 19 are communicated with indicating device 8,9 and shuttle valve 11 respectively; When the air bellow normal operation; The atmospheric pressure value at piston 16 two ends is identical, and piston 16 mediates, two freeing pipes 19 and atmosphere; The middle position of valve body 13 bottoms is provided with an open to atmosphere aperture 20.Indicating device comprises pressure relay and indicator lamp, and pressure relay is electrically connected with indicator lamp, and pressure relay is connected with double air controlled differential displacing valve 10 through gas circuit.Indicator lamp is arranged on the bogie truck of train, perhaps is arranged in the crew member operating room, is used for sending visual signal to the staff.Shuttle valve 11 also is connected with a steam whistle 22.Be provided with cut out cock 21 between vent valve 12 and the brake pipe 2, vent valve 12 is connected with brake pipe 2 through cut out cock 21.
Principle of work: when et out of order in two air bellows of bogie truck; Suppose one of them air bellow 4 (or air bellow 5) gas leakage; The middle air pressure of corresponding and this air bellow 4 (or air bellow 5) bonded assembly auxiliary chamber 6 (or auxiliary chamber 7) reduces; Piston 16 two ends pressure reduction reach 0.15MPa, and piston 16 is to the low side shifting of air pressure; At this moment; Can discharge through the freeing pipe 19 that is communicated with indicating device 9 (or indicating device 8) with the gas in another air bellow 5 (or air bellow 4) bonded assembly auxiliary chamber 7 (or auxiliary chamber 6); Indicating device 9 (or indicating device 8) energized under the effect of air pressure is sent vision or audible signal to train crews; Gas gets into vent valve 12 through shuttle valve 11 simultaneously, under the effect of air pressure, opens the path of brake pipe 2 and atmosphere, makes the effect of train generation emergency braking.
The current techique of air bellow indicating fault and brake equipment system requires as follows.
| Inside nominal diameter (mm) | Brake pipe is 25; Arm is 20 |
| Working medium | Pressurized air |
| Brake pipe internal gas pressure (Mpa) | 0.5 |
| Working pressure range (Mpa) | 0～0.6 |
| System start-up pressure (Mpa) | Pressure reduction reaches 0.15 between two empty springs |
| Ambient temperature (℃) | 0-60 |
| Ambient humidity (%) | 70～90 |
| Service life (year) | 5 |
The air-tightness of air bellow indicating fault and each valve of brake equipment system, the double air controlled differential displacing valve should be air tight under the air pressure of 0.6MPa; Vent valve is under the state that does not start, and the pipeline that connects brake pipe and atmosphere must not leak gas; Cut out cock must not leak gas when starting.
The double air controlled differential displacing valve needs when two air bellow pressure reduction reach 0.15MPa, to launch, and piston motion needs unobstructed.The actuating pressure of indicating device is 0.1MPa, and when pipeline air pressure reached 0.1MPa, indicating device started, the indicator lamp flicker, and indicator lamp must be by staff's manual-lock.The actuating pressure of shuttle valve must not surpass 0.1MPa, and piston motion must be unobstructed.The actuating pressure of vent valve must not surpass 0.1MPa, and piston motion must be unobstructed.Simultaneously, under the cut out cock closing state, the gas of brake pipe must not leak, and must not influence the normal operation of train.
Claims (5)
1. air bellow indicating fault and brake equipment system; It is characterized in that: this system respectively with brake pipe and bogie truck on the auxiliary chamber of two air bellows be connected, described system comprises indicating device and double air controlled differential displacing valve, shuttle valve, three different valves of vent valve; The double air controlled differential displacing valve is communicated with the auxiliary chamber of two air bellows, is used for when the air bellow et out of order, starting the concurrent feed signals of indicating device; Shuttle valve connects double air controlled differential displacing valve and vent valve, the unlike signal of double air controlled differential displacing valve is changed into same signal pass to vent valve; Vent valve is connected with brake pipe, is used to make brake pipe to be communicated with atmosphere and produces the emergency braking effect; The double air controlled differential displacing valve is a three position five-way valve, mainly comprises valve body and valve gap, and valve gap is installed in an end of valve body, is provided with sleeve in the valve body, is set with piston in the cylindrical shell of sleeve, and the both sides of piston are respectively arranged with a limit retaining and form; Be connected with four tracheaes on the valve body, wherein, two is air inlet pipe, and other two is freeing pipe; Two air inlet pipes are connected with the auxiliary chamber of two air bellows respectively, and two freeing pipes are communicated with indicating device and shuttle valve respectively; The middle position of valve body bottom is provided with an open to atmosphere aperture, and when the air bellow normal operation, the atmospheric pressure value at piston two ends is identical, and piston mediates, two freeing pipes and atmosphere.
2. air bellow indicating fault according to claim 1 and brake equipment system; It is characterized in that: described indicating device comprises pressure relay and indicator lamp; Pressure relay is electrically connected with indicator lamp, and pressure relay is connected with the double air controlled differential displacing valve through gas circuit.
3. air bellow indicating fault according to claim 2 and brake equipment system is characterized in that: described indicator lamp is arranged on the bogie truck of train, perhaps is arranged in the crew member operating room, is used for sending visual signal to the staff.
4. air bellow indicating fault according to claim 1 and brake equipment system is characterized in that: described shuttle valve also is connected with a steam whistle.
5. air bellow indicating fault according to claim 1 and brake equipment system is characterized in that: be provided with cut out cock between described vent valve and the brake pipe, vent valve is connected with brake pipe through cut out cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105878620A CN102050134B (en) | 2010-12-15 | 2010-12-15 | Air spring failure indication and braking device system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105878620A CN102050134B (en) | 2010-12-15 | 2010-12-15 | Air spring failure indication and braking device system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102050134A CN102050134A (en) | 2011-05-11 |
| CN102050134B true CN102050134B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105878620A Expired - Fee Related CN102050134B (en) | 2010-12-15 | 2010-12-15 | Air spring failure indication and braking device system |
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| Country | Link |
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| CN (1) | CN102050134B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133447B (en) * | 2013-01-26 | 2017-05-10 | 梁富春 | Differential pressure type sliding valve |
| CN105416269A (en) * | 2015-12-17 | 2016-03-23 | 芜湖盛力科技股份有限公司 | Air braking system warning lamp switch for automobile and engineering machinery |
| CN113291345B (en) * | 2021-06-30 | 2022-10-14 | 中车株洲电力机车有限公司 | Pneumatic primary suspension device and primary suspension rigidity obtaining method |
| CN113895418B (en) * | 2021-11-18 | 2024-07-23 | 浙江瑞立空压装备有限公司 | Control mechanism and brake device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4387933A (en) * | 1981-10-05 | 1983-06-14 | The Bi-Modal Corporation | Relay-load/ratio valve for use in brake applications on air-spring equipped vehicles |
| KR100461371B1 (en) * | 2002-03-04 | 2004-12-13 | 현대자동차주식회사 | an air leaking protecting structure of an air suspension vehicles |
| JP4699020B2 (en) * | 2004-12-20 | 2011-06-08 | ナブテスコ株式会社 | Brake control device |
| DE102007002020A1 (en) * | 2007-01-13 | 2008-07-17 | Wabco Gmbh | Towing vehicle brake and air suspension system |
| JP2008189130A (en) * | 2007-02-05 | 2008-08-21 | Shinko Electric Co Ltd | Brake control device for freight train |
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- 2010-12-15 CN CN2010105878620A patent/CN102050134B/en not_active Expired - Fee Related
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| CN102050134A (en) | 2011-05-11 |
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Address after: 266000 No. 231, Ruichang Road, Sifang District, Shandong, Qingdao Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266000 No. 231, Ruichang Road, Sifang District, Shandong, Qingdao Patentee before: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |
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Granted publication date: 20120523 |