CN102303599A - Brake control valve for express rail wagon, and working method for brake control valve - Google Patents
Brake control valve for express rail wagon, and working method for brake control valve Download PDFInfo
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- CN102303599A CN102303599A CN201110091727A CN201110091727A CN102303599A CN 102303599 A CN102303599 A CN 102303599A CN 201110091727 A CN201110091727 A CN 201110091727A CN 201110091727 A CN201110091727 A CN 201110091727A CN 102303599 A CN102303599 A CN 102303599A
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- 238000000034 method Methods 0.000 title claims description 20
- 230000000630 rising effect Effects 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 4
- 230000002411 adverse Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 5
- 238000004904 shortening Methods 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
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Abstract
The invention relates to the field of brake control for rail vehicles, in particular to a brake control valve for an express rail wagon. The brake control valve is designed through necessary improvement on a 120 type valve. The brake control valve comprises a main valve, an emergency valve, and an intermediate body and an air cylinder assembly which are connected with the main valve and the emergency valve. To be matched with stepless empty and load brake equipment, the brake control valve further comprises an inflation valve which is indirectly communicated with a train pipe and the air cylinder assembly through the intermediate body and is used for inflation; and the inflation vale is connected with a control valve through the intermediate body. In order to meet the requirement of the express wagon on a brake distance, the pressure rising time of a brake cylinder is adjusted to be 5 to 7s, and remission time is adjusted to be 7 to 9s. By the technical scheme, the invention provides the brake control valve for the express rail wagon. The brake control valve shortens brake idling time to shorten the brake distance in an indirect action mode.
Description
Technical field
The present invention relates to the control of braking field of guideway vehicle, more particularly, the present invention relates to a kind of brake control valve of quick railway goods train.
Background technology
The China railways Freight Car Braking System is basically by 120 type control cock or GK type triple valve, two-stage hand or the automatic empty and load brake equipment of KZW-4 type, formations such as ф 356mm brake cylinder, hem shoe gap automatic regulator and high phosphorous cast iron brake shoe at present; About leverage ratio 8.3-9.3.120 type control cock are China's principal mode Control Valves for Freight Cars, and its mode adopts the direct mode of action of pressure, has the high advantage of release of brake velocity of wave.But because of 120 valves are former is to be the Heavy Haul Freight Train design-calculated, and it has adopted control brake cylinder pressure to rise to earlier afterwards to delay the way that rises to alleviate the longitudinal impulse of train, so pressure rising time is longer.In order to reduce the impulsion of the process of alleviating, the brake cylinder exhaust time is also longer.The equivalent virtual braking time of 24 marshalings of actual measurement is about 4.5-5s, because the red ball braking deceleration requires obviously to improve, therefore, it is also significant for shortening stopping distance to shorten equivalent virtual braking time.
In the prior art document; Typically publication number is CN201062039; The Chinese utility model patent that name is called " a kind of 120 type lorry air brake valves " discloses a kind of lorry air diverter valve; It comprises that main valve composition, release valve are formed, pipe bracket is formed and emergency valve is formed, and main valve composition and emergency valve composition are installed in pipe bracket respectively and form; Release valve is formed on the side mount pad that is installed in the main valve composition, and main valve is equipped with guiding valve and graduating valve in forming, and said guiding valve bottom surface and guiding valve end face are respectively arranged with a plurality of braking hole slots, and said graduating valve is provided with the braking hole slot.The utlity model has the deceleration and stopping performance that quickens commonly used, it is commonly used to quicken brake action and is realized by guiding valve, each hole slot of graduating valve open and close when the different effects position.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of brake control valve that can shorten equivalent virtual braking time with the quick railway goods train of the indirectly-acting mode of shortening stopping distance.Simultaneously, the present invention also further provides the method for work that adopts this brake control valve.
In order to realize above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of brake control valve of quick railway goods train; Described control cock comprises the control cock main valve; And with this control cock main valve bonded assembly pipe bracket; This brake control valve comprises further being communicated with train pipe and reservoir assembly through pipe bracket and is used for gas filed charge valve that described charge valve also is connected with described control cock main valve through described pipe bracket.
Particularly; Described charge valve comprises body; And be arranged on this intrinsic filling channel, in this filling channel, be provided with the non-return assembly that is used to prevent gas adverse current in filling channel in order, and be used to control aweather gas filed inflatable component in the cylinder component.
Further; Described inflatable component comprises the inflation piston that can slide up and down along the inflation valve pocket that is arranged in the described filling channel; And being arranged on the push rod on this inflation piston, this inflatable component also comprises inflation lamina membranacea that is arranged on below the piston and the inflation template pad that is used for this inflation lamina membranacea of support.Described inflation valve pocket is divided into the valve pocket that is communicated with described work reservoir and auxiliary reservoir respectively by described inflation lamina membranacea, through the air pressure in the different valve pockets application force of inflation lamina membranacea is controlled the inflation to the reservoir assembly.
In addition, in order to guarantee that inflating lamina membranacea can not produce the slit with the valve pocket inwall in the control gas replenishment process, influence control structure, then described aerated film panel edges embeds in the described body and firmly installs.
Simultaneously, brake control valve provided by the invention, described non-return assembly comprises a boiler check valve at least, described boiler check valve is suppressed in filling channel on the cooresponding valve port by the elastic recovery spring that is provided with on it.So just can guarantee that whole filling channel is an osed top under the off working state.
Further explanation, described body comprises the loam cake of mutual fastening, valve body and lower cover all seal through poted assemblies between described loam cake, valve body and the lower cover.Described charge valve also is provided with the fixation kit that comprises at least two bolts, and described loam cake, valve body, lower cover link together through this fixation kit.
Described poted assemblies comprises the O RunddichtringO that is arranged between described loam cake, valve body and the lower cover.Through on described loam cake, valve body, the linkage interface that covers down poted assemblies being set, can guarantee the leakproofness of whole body in gas replenishment process.
Say that further described reservoir assembly comprises work reservoir, auxiliary reservoir, brake cylinder and acceleration alleviation reservoir, described work reservoir, acceleration are alleviated reservoir and are 11L, and described brake cylinder diameter is 254mm, and auxiliary reservoir is 100L.
The present invention also further provides the method for work of the brake control valve that adopts above-mentioned quick railway goods train, and described brake control valve is connected with the train pipe, and when train pipe decompression rate was 100kpa/55s, described brake control valve produced brake action; When train pipe pressing speed was 140kpa/1.75s, described brake control valve produced the emergency braking effect.
In addition; In order to adapt to the requirement of red ball to stopping distance; This brake control valve is also set with remission time boosting of brake cylinder, and be 5-7s the brake cylinder pressure rising time in the described reservoir system, and remission time is 7-9s; Described auxiliary reservoir is 100L, and its first inflationtime is 163s.
Through adopting above-mentioned technical scheme, the invention provides a kind of brake control valve that shortens equivalent virtual braking time with the quick railway goods train of the indirectly-acting mode of shortening stopping distance.Simultaneously, the present invention also further provides the method for work that adopts this brake control valve.
Description of drawings
What show among Fig. 1 is the connection structure scheme drawing of the air damper of quick railway goods train of the present invention;
What show among Fig. 2 is the sectional structure scheme drawing of charge valve of the present invention.
Each label proxy component title explanation is as follows in the accompanying drawing:
1 main valve, 2 pipe brackets, 3 charge valves, 4 average valves
5 adjustment valves, 6 transducer valves, 7 train pipes 8 quicken to alleviate reservoir
9 work reservoirs, 10 auxiliary reservoirs, 11 brake cylinders, 31 loam cakes
32 valve bodies, 33 lower covers, 34 inflation lamina membranacea pads, 35 inflation lamina membranaceas
36 inflation pistons, 37 push rods, 38 boiler check valve, 39 charge valve springs
310 bolts
The specific embodiment
The invention reside in provides a kind of equivalent virtual braking time that shortens with the brake control valve of the quick railway goods train of the indirectly-acting method of shortening stopping distance and the method for work that adopts this brake control valve.Below in conjunction with Figure of description specific embodiment of the present invention is carried out detailed explanation.
What show among Fig. 1 is the connection structure scheme drawing of the air damper of quick railway goods train of the present invention.The quick railway goods train brake that shows in the drawings comprises control cock main valve 1, is connected pipe bracket 2 with this main valve 1, and with these pipe bracket 2 bonded assembly charge valves 3.Average valve 4 all is communicated with described main valve 1 through described pipe bracket 2 with the adjustment valve 5 that is used to adjust brake-cylinder pressure; Also be communicated with in the described pipe bracket 2 with reservoir assembly and train pipe 7; Described average valve 4 is connected with the sensory package that is used to measure wagon load, and adjustment valve 5 wherein, transducer valve 6 and average valve 4 are formed Adjustment System.With many channel connections of isolating each other that are provided with in other assembly of pipe bracket 2 bonded assemblys and the pipe bracket 2.Need to prove that described reservoir assembly comprises auxiliary reservoir 10, work reservoir 9, quickens to alleviate reservoir 8 and brake cylinder 11.Because these above-mentioned reservoirs all are prior aries, so here just repeated no more.
More specifically; In the embodiment of the invention control cock comprise main valve 1 and with this control cock main valve 1 bonded assembly pipe bracket 2; This brake control valve comprises further through what pipe bracket 2 was communicated with train pipe 7 and reservoir assembly and is used for gas filed charge valve 3 that described charge valve 3 also is connected with described control cock main valve 1 through described pipe bracket 2.Charge valve 3 provided by the invention can guarantee that whole brake control valve shortens equivalent virtual braking time to shorten stopping distance.Below in conjunction with Figure of description the concrete structure and the mode of operation of the charge valve that adopted among the present invention are carried out detailed explanation.
What show among Fig. 2 is the sectional structure scheme drawing of the charge valve among Fig. 1.Particularly according to shown in the Figure of description; Described charge valve 3 comprises body; And be arranged on this intrinsic filling channel that is used for gas transmission; In this filling channel, be provided with the non-return assembly that is used to prevent gas adverse current in filling channel in order on from admission port to the air extractor duct direction, and be used to control aweather gas filed inflatable component in the cylinder component.
Further, described inflatable component comprises the inflation piston 36 that is arranged in the described filling channel and can slides up and down along the inflation valve pocket, but slide relative between the interior inflation valve pocket of inflation piston 36 itself and charge valve 3.This inflatable component also further comprises the push rod 37 that is arranged on this inflation piston 36, and this inflatable component further comprises inflation lamina membranacea 35 that is arranged on below the inflation piston 36 and the inflation template pad 34 that is used for this inflation lamina membranacea of support.Described inflation valve pocket is divided into the valve pocket that is communicated with described work reservoir 9 and auxiliary reservoir 10 respectively by described inflation lamina membranacea 35.In the present embodiment; The top valve pocket that is separated to form by inflation lamina membranacea 35 is communicated with auxiliary reservoir 10; And the bottom valve pocket that is separated to form through inflation lamina membranacea 35 is communicated with described work reservoir 9; Through the air pressure in the different valve pockets application force of inflation lamina membranacea 35 is controlled the inflation to the reservoir assembly, concrete principle of work and working process have not here been given unnecessary details specifying in the content below.
In addition; In order to guarantee that inflating lamina membranacea 35 can not produce the slit with the valve pocket inwall in the control gas replenishment process; Influence control structure; Inflation lamina membranacea 35 edges embed in the described body firmly to be installed, inflate simultaneously lamina membranacea 35 also with inflation piston 36 closed contacts, in order to the displacement amplitude of control inflation piston 36 in the inflation valve pocket.
Simultaneously; Comprise two non-return assemblies in the brake control valve that provides in the present embodiment; Each non-return assembly comprises a boiler check valve 38, and each boiler check valve 38 is suppressed in filling channel on the cooresponding valve port by the charge valve spring 39 as the elastic recovery spring that is provided with on it, boiler check valve 38 and cooresponding valve port closed contact; Guaranteed the air-tightness between boiler check valve 38 and the cooresponding valve port, can guarantee that whole filling channel is an osed top under the off working state.
Further explanation, described body comprises the loam cake 31 of mutual fastening, valve body 32 and lower cover 33 all seal through poted assemblies between described loam cake 31, valve body 32 and the lower cover 33.In the specific embodiment of the present invention in Fig. 2, described charge valve 3 also comprises two groups of fixation kits of totally four bolts 311, and described loam cake 31, valve body 32, lower cover 33 link together through this fixation kit.Certainly; The concrete structure of charge valve body provided by the invention is not limited to the illustrated structure of specific embodiment among Fig. 2, as long as but can provide the condition of good airtight environment of sealing and carrying structure just can be as the composition structure of above-mentioned body for other assembly of charge valve.
More specifically, described poted assemblies comprises the O RunddichtringO that is arranged between described loam cake 31, valve body 32 and the lower cover 33.Through on the linkage interface on described loam cake 31, valve body 32, the lower cover 33, poted assemblies being set, can guarantee the leakproofness of whole body in gas replenishment process.
The mode of operation of the charge valve of the said structure that specify to adopt below specifically comprises: at first inflate the process charge valve 3 interior inflation channel entering pipe bracket 2 of piston 36 tops → again → advanced pipe bracket 2 internal paths to charge into auxiliary reservoir 10 through second group of non-return assembly → entering of the filling channel → unlatching above filling channel → process charge valve 3 interior inflation channel → second group of non-return assembly of entering of train pipe 7 pressure airs first group of charging check valve 38 → first group of non-return assembly top of enterings in the non-return assembly of the induction opening first group of non-return assembly air-filled pore → charge valve 3 under → further back down through pipe bracket 2 in.After auxiliary reservoir 10 obtains inflation; Pressure in it raises gradually; When auxiliary reservoir 10 pressure airs act on the pressure of inflation lamina membranacea 35 tops and the elastic force sum of charge valve spring 39; During the pressure of the work reservoir 9 of a little higher than inflation lamina membranacea 35 belows, whole charge valve 3 is closed, and auxiliary reservoir 10 stops inflation.
Further, alleviate reservoir when the work of employing reservoir, acceleration and be 11L; During brake cylinder diameter 254mm, auxiliary reservoir is 100L.After the adjustment, the method for work of control cock provided by the invention is following: when train pipe decompression rate is 100kPa/55s, produce brake action; When train pipe decompression rate is 140kpa/1.75s, produce emergency braking.When be provided with single car testing device reduce pressure 40kPa, alleviate, the time when brake cylinder drains into 40kPa is 31s, brake cylinder 6.5s pressure rising time; Evacuation time 8s, the first inflationtime during auxiliary reservoir: 2 ' 43 ".
Like this, above-mentioned technical scheme is adopted in obvious passing through, and the invention provides a kind of brake control valve that shortens equivalent virtual braking time with the quick railway goods train of the indirectly-acting method of shortening stopping distance, and the method for work that adopts this brake control valve.
And protection scope of the present invention is not limited to disclosed specific embodiment in the above-mentioned specific embodiment, as long as but the combination of satisfying technical characterictic in the claim of the present invention just fallen within protection scope of the present invention.
Claims (10)
1. the brake control valve of a quick railway goods train; Described brake control valve comprises main valve, emergency valve and the pipe bracket and the reservoir assembly that are connected with emergency valve with main valve; It is characterized in that; This brake control valve comprises further through pipe bracket and train pipe and reservoir inter-module and is common to gas filed charge valve in succession that described charge valve also is connected with described control cock through described pipe bracket.
2. the brake control valve of quick railway goods train according to claim 1; It is characterized in that; Described charge valve comprises body; And be arranged on this intrinsic filling channel, in this filling channel, be provided with the non-return assembly that is used to prevent gas adverse current in filling channel in order, and be used for aweather gas filed inflatable component in the cylinder component.
3. the brake control valve of quick railway goods train according to claim 2; It is characterized in that; Described inflatable component comprises the inflation piston that can slide up and down along the inflation valve pocket that is arranged in the described filling channel; And being arranged on the push rod on this inflation piston, this inflatable component also comprises inflation lamina membranacea that is arranged on below the piston and the inflation template pad that is used for this inflation lamina membranacea of support.
4. the brake control valve of quick railway goods train according to claim 3; It is characterized in that; Described inflation valve pocket is divided into the valve pocket that is communicated with described work reservoir and auxiliary reservoir respectively by described inflation lamina membranacea, and described aerated film panel edges embeds in the described body and firmly installs.
5. the brake control valve of quick railway goods train according to claim 2 is characterized in that, each described non-return assembly includes boiler check valve, and described boiler check valve is suppressed in filling channel on the cooresponding valve port by the elastic recovery spring that is provided with on it.
6. the brake control valve of quick railway goods train according to claim 3; It is characterized in that; Described body comprises the loam cake of mutual fastening; Valve body and lower cover, all through the poted assemblies sealing, described poted assemblies comprises the O RunddichtringO that is arranged between described loam cake, valve body and the lower cover between described loam cake, valve body and the lower cover.
7. the brake control valve of quick railway goods train according to claim 6 is characterized in that, described charge valve also comprises the fixation kit of at least two bolts, and described loam cake, valve body, lower cover link together through this fixation kit.
8. the brake control valve of quick railway goods train according to claim 1; It is characterized in that; Described reservoir assembly comprises work reservoir, auxiliary reservoir, brake cylinder and quickens to alleviate reservoir; Described work reservoir, acceleration are alleviated reservoir and are 11L, and described brake cylinder diameter is 254mm, and auxiliary reservoir is 100L.
9. adopt method of work like the brake control valve of the described quick railway goods train of claim 1-8; It is characterized in that; Described brake control valve is connected with the train pipe, and when train pipe decompression rate was 100kpa/55s, described brake control valve produced brake action; When train pipe pressing speed was 140kpa/1.75s, described brake control valve produced the emergency braking effect.
10. method of work according to claim 9 is characterized in that, be 5-7s the brake cylinder pressure rising time in the described reservoir system, and remission time is 7-9s, and described auxiliary reservoir is 100L, its just inflationtime be 163s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110091727.1A CN102303599B (en) | 2011-04-13 | 2011-04-13 | The brake control valve of quick railway goods train and method of work thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110091727.1A CN102303599B (en) | 2011-04-13 | 2011-04-13 | The brake control valve of quick railway goods train and method of work thereof |
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| Publication Number | Publication Date |
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| CN102303599A true CN102303599A (en) | 2012-01-04 |
| CN102303599B CN102303599B (en) | 2015-07-29 |
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| CN201110091727.1A Active CN102303599B (en) | 2011-04-13 | 2011-04-13 | The brake control valve of quick railway goods train and method of work thereof |
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| CN (1) | CN102303599B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673552A (en) * | 2012-05-15 | 2012-09-19 | 大连交通大学 | Brake distribution valve for long and heavy haul train |
| CN103448710A (en) * | 2013-08-05 | 2013-12-18 | 天津机辆轨道交通装备有限责任公司 | Check valve of train brake distribution valve |
| CN107472231A (en) * | 2017-09-11 | 2017-12-15 | 眉山中车制动科技股份有限公司 | A kind of nested type one-way valve structures for vehicle automatic regulating apparatus |
| CN109501832A (en) * | 2018-11-01 | 2019-03-22 | 眉山中车制动科技股份有限公司 | A kind of rail wagon brake system being able to achieve bogie empty and load pressure controlling |
| CN112026842A (en) * | 2020-08-14 | 2020-12-04 | 神华铁路装备有限责任公司 | Air brake device, system and method for railway wagon |
| CN114834421A (en) * | 2022-05-13 | 2022-08-02 | 中车齐齐哈尔车辆有限公司 | Air control valve |
| CN115214585A (en) * | 2022-05-13 | 2022-10-21 | 中车齐齐哈尔车辆有限公司 | Air control valve |
| CN116729339A (en) * | 2023-06-28 | 2023-09-12 | 眉山中车制动科技股份有限公司 | Pressure control device and method for brake cylinder of railway wagon |
| WO2023217295A1 (en) * | 2022-05-13 | 2023-11-16 | 中车齐齐哈尔车辆有限公司 | Emergency valve having emergency acceleration relieving function |
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2011
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Non-Patent Citations (1)
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| 李鸿: "《车辆制动机》", 31 January 1991, article "103型空气分配阀的构造" * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673552A (en) * | 2012-05-15 | 2012-09-19 | 大连交通大学 | Brake distribution valve for long and heavy haul train |
| CN102673552B (en) * | 2012-05-15 | 2014-04-16 | 大连交通大学 | Brake distribution valve for long and heavy haul train |
| CN103448710A (en) * | 2013-08-05 | 2013-12-18 | 天津机辆轨道交通装备有限责任公司 | Check valve of train brake distribution valve |
| CN107472231B (en) * | 2017-09-11 | 2023-08-08 | 眉山中车制动科技股份有限公司 | Nested one-way valve structure for automatic vehicle adjusting device |
| CN107472231A (en) * | 2017-09-11 | 2017-12-15 | 眉山中车制动科技股份有限公司 | A kind of nested type one-way valve structures for vehicle automatic regulating apparatus |
| CN109501832A (en) * | 2018-11-01 | 2019-03-22 | 眉山中车制动科技股份有限公司 | A kind of rail wagon brake system being able to achieve bogie empty and load pressure controlling |
| CN109501832B (en) * | 2018-11-01 | 2020-03-10 | 眉山中车制动科技股份有限公司 | Railway wagon braking system capable of realizing pressure regulation and control of bogie heavy vehicle |
| CN112026842A (en) * | 2020-08-14 | 2020-12-04 | 神华铁路装备有限责任公司 | Air brake device, system and method for railway wagon |
| CN114834421A (en) * | 2022-05-13 | 2022-08-02 | 中车齐齐哈尔车辆有限公司 | Air control valve |
| CN115214585A (en) * | 2022-05-13 | 2022-10-21 | 中车齐齐哈尔车辆有限公司 | Air control valve |
| CN115214585B (en) * | 2022-05-13 | 2023-08-18 | 中车齐齐哈尔车辆有限公司 | Air control valve |
| WO2023217295A1 (en) * | 2022-05-13 | 2023-11-16 | 中车齐齐哈尔车辆有限公司 | Emergency valve having emergency acceleration relieving function |
| CN116729339A (en) * | 2023-06-28 | 2023-09-12 | 眉山中车制动科技股份有限公司 | Pressure control device and method for brake cylinder of railway wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102303599B (en) | 2015-07-29 |
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