CN105083299A - Wind supply method and device for guaranteeing wind used for train - Google Patents
Wind supply method and device for guaranteeing wind used for train Download PDFInfo
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- CN105083299A CN105083299A CN201510466387.4A CN201510466387A CN105083299A CN 105083299 A CN105083299 A CN 105083299A CN 201510466387 A CN201510466387 A CN 201510466387A CN 105083299 A CN105083299 A CN 105083299A
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Abstract
The invention relates to a wind supply method and device for guaranteeing wind used for a train. According to the method, the wind supply function of an existing train is not changed, by arranging a pressure regulating valve which serves as pilot pressure of a relay valve and controlling the pilot pressure of the pressure regulating valve, the effect of amplifying the air flow speed of the relay valve is achieved, and therefore a wind supply system of a locomotive has the advantages that the wind supply flow is large, the wind filling speed is high, output pressure is stable, and the fault rate is low after the relay valve is installed for use. The conversion efficiency of the wind supply system is greatly improved, the wind supply system can be universal for existing domestic locomotive braking system air pipelines, and according to the specific requirements of different vehicles, various structural shapes and sizes can be achieved through the wind supply method for guaranteeing the wind used for the train.
Description
Technical field
The present invention relates to a kind of air supply method and the device that ensure train wind, particularly a kind of safe and reliable air supply method being applicable to the novel guarantee train wind of all kinds of train and device.
Background technology
In order to adapt to Transportation Development, meet the pneumatic door of express bus, air spring, the various auxiliary air supply equipment such as toilet waste collector use wind requirement, the air supply method of traditional train can not meet the demand of growing auxiliary wind devices air quantity gradually, especially ventilation apparatus in the past, air quality is poor, reducing valve fault rate is high, leak out serious, fill wind slow, discharge pressure of fan is unstable, locomotive blast and train tail wind pressure deviation is caused to be greater than 50kpa, the requirement of last vehicle of train for wind pressure 600kpa can not be met, and the machine caused because air feed is bad breaks, all kinds of faults such as air bellow damping performance variation happen occasionally, therefore necessary former air feed system to be improved.
Summary of the invention
Main purpose of the present invention is on the basis ensureing the original air supply ability of train, provides a kind of air supply method and the device that ensure train wind, meets train accessory equipment wind demand, its function also will be made excellent, and working service is convenient.
Of the present invention a kind of ensure train wind air supply method and device compared with prior art have following features and advantage to be:
1, improve the output efficiency of train air feed, and fill that wind speed degree is fast, delivery pressure stablizes;
2, Highgrade integration design, is convenient to maintaining.
3, stable performance, successful, failure rate is low, safe and reliable, there is very strong comformability to bad working environments.
4, largely improve train air wind regime quality, indirectly improve the reliability and stability of braking system part.
According to above feature, we devise a kind of air supply method ensureing train wind, do not change original train air feed function, step one is by arranging the pilot pressure of a pressure regulating valve as relay valve, step 2 is by the control to pressure regulating valve pilot pressure, realize the effect of the amplification of relay valve charge air speed, thus after the air feed system of locomotive can be made to be provided with dress relay valve, large for wind flow, fill airspeed fast, delivery pressure is stablized, the advantages such as failure rate is low, substantially increase the conversion efficiency of air feed system, and can be general with existing domestic locomotive braking system airline, according to the specific requirement of different automobile types, the profile of structure and size can be varied.
A kind of air supply method ensureing train wind as above, also comprises, and compressor air outlet and dryer air inlet have additional oil strainer, the air purification units such as water filter, improves wind regime air system quality.
A kind of air supply method ensureing train wind as above, also comprises the supplementary reservoir often saving and newly increase a 60L in vehicle, when not increasing locomotive air source system burden, can meet the auxiliary equipment air quantity of permutation car large simultaneously, filling the demand that wind is fast.
A kind of air supply method ensureing train wind as above, the described effect realizing the amplification of relay valve charge air speed, main manifestations is, be used for improving further the air quality of air supply system air outlet by water filter, total between reservoir air outlet and each branch road wind devices before described, air pressure value is adjusted by directly not using pressure regulating valve after front total reservoir air outlet, but select relay valve as air outlet, the pilot pressure of a pressure regulating valve as relay valve is set simultaneously, by the control to pressure regulating valve pilot pressure, realize the effect of the amplification of relay valve charge air speed.
The present invention relates to a kind of air supply device ensureing train wind simultaneously, and described device mainly comprises and comprises compressor, and being connected successively with the outlet of compressor is connected to flexible pipe, high pressure relief valve 11bar, oil strainer, water filter, check valve, dryer, high pressure relief valve 9.5bar, front total reservoir, front total reservoir cut out cock, reverse flow check valve, rear total reservoir, locomotive brake gear, total wind bypass cock, dual pipe air supply cock, pressure regulating valve, relay valve, boiler check valve, compression indicator, side door, toilet waste collector, air bellow and underslung water tank.
A kind of air supply device ensureing train wind as above, described compressor air outlet and dryer air inlet are connected with oil strainer in turn.A kind of railway locomotive train pipe control setup described above, this device is without the need to arranging separately standby brake cabinet.
Accompanying drawing explanation
Fig. 1 is a kind of diagram of circuit ensureing the air supply method of train wind that the present invention relates to;
Fig. 2 is a kind of air feeding device of engine theory structure schematic diagram ensureing the air supply device of train wind that the present invention relates to;
Fig. 3 is a kind of rail vehicle auxiliary wind system theory structure schematic diagram ensureing the air supply device of train wind that the present invention relates to.
Detailed description of the invention
Fig. 1 is a kind of diagram of circuit ensureing the air supply method of train wind that the present invention relates to; Fig. 2 is a kind of air feeding device of engine theory structure schematic diagram ensureing the air supply device of train wind that the present invention relates to; Fig. 3 is a kind of rail vehicle auxiliary wind system theory structure schematic diagram ensureing the air supply device of train wind that the present invention relates to.As shown in Figure 1-Figure 3, the key step of the method is: step one, do not change original train air feed function, by arranging the pilot pressure of a pressure regulating valve (16) as relay valve (17), step 2 is by the control to pressure regulating valve (17) pilot pressure, realize the effect of the amplification of relay valve (17) charge air speed, thus after the air feed system of locomotive can be made to be provided with dress relay valve, large for wind flow, fill airspeed fast, delivery pressure is stablized, the advantages such as failure rate is low, substantially increase the conversion efficiency of air feed system, and can be general with existing domestic locomotive braking system airline, according to the specific requirement of different automobile types, the air supply method of guarantee train wind of the present invention, the air supply device that the profile of structure and size can be varied guarantee train wind mainly comprises, comprise compressor (1), be connected successively with the outlet of compressor (1) and be connected to flexible pipe (2), high pressure relief valve 11bar (3), oil strainer (4), water filter (5), check valve (6), dryer (7), high pressure relief valve 9.5bar (8), front total reservoir (9), front total reservoir cut out cock (10), reverse flow check valve (11), rear total reservoir (12), locomotive brake gear (13), total wind bypass cock (14), dual pipe air supply cock (15), pressure regulating valve (16), relay valve (17), boiler check valve (18), compression indicator (19), side door (20), toilet waste collector (21), air bellow (22), underslung water tank (23).Compressor (1) air outlet and dryer (7) air inlet are connected with oil strainer (4) in turn, and water filter (5) is used for improving further the air quality of air supply system air outlet, front total between reservoir (9) air outlet and each branch road wind devices, adopt a kind of air supply method of brand-new pilot-operated type, namely pressure regulating valve is not directly used to adjust air pressure value before after total reservoir (9) air outlet, but select relay valve (17) as air outlet, the pilot pressure of a pressure regulating valve (16) as relay valve (17) is set simultaneously, by the control to pressure regulating valve (17) pilot pressure, realize the effect of the amplification of relay valve (17) charge air speed, thus after the air feed system of locomotive can be made to be provided with dress relay valve, large for wind flow, fill airspeed fast, delivery pressure is stablized, the advantages such as failure rate is low, substantially increase the conversion efficiency of air feed system.
As shown in Figure 3, this device comprises air feeding device of engine (24), locomotive anti-collision cock (25), locomotive end angle cock (26), through the total wind hose coupling (27) of car end with often save vehicle supplementary reservoir (28) and connect, air feed due to train all comes from the output of locomotive air source system, auxiliary with the calculating of wind devices blast consumption and in conjunction with practical experience according to train, the method of this guarantee train wind is often saving in vehicle the supplementary reservoir (24) newly increasing, can when not increasing locomotive air source system burden, meet the auxiliary equipment air quantity of permutation car large simultaneously, fill the demand that wind is fast.Below train supplementary reservoir volume type selection calculation:
Train assists blast consumption to calculate:
According to pertinent data, suppose that running section is 2 halting points that arrive at a station, known:
Service braking consumption wind is approximately 178L;
Section speed governing consumption wind is about 267L by 1.5 times of calculating of the service braking wind that arrives at a station;
Side door: every 2, side side door, 1 action 2 times of stopping, common action 4 times of stopping for 2 times, consumption wind is about 320L.
Toilet waste collector: assuming that every 5min action is once, average consumption wind is about 21L;
Air bellow: per minute blast consumption is 30L;
Underslung water tank: per minute blast consumption 10L.
It can thus be appreciated that, the total blast consumption of each passenger vehicle (considering the leakage of 10%)
＝[(267+320+21)/60+30+10]×1.1
＝55.1m
3/min
By theory calculate and in conjunction with actual conditions, the volume settings of supplementary reservoir is 60L, can ensure that train is auxiliary and use wind demand.The effect obtained is for beat wind verification experimental verification through train, orthodox method train is adopted to be 10-12 minute from 0-550kpa air-filled time, after adopting new mode to improve, 0-600kpa only needs 3-4 minute, train tail wind pressure can reach 600kpa in 3-4 minute, and can keep stable, reach expected design effect.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. one kind ensures the air supply method of train wind, it is characterized in that, do not change original train air feed function, step one is by arranging the pilot pressure of a pressure regulating valve as relay valve, step 2 is by the control to pressure regulating valve pilot pressure, realize the effect of the amplification of relay valve charge air speed, thus after the air feed system of locomotive can be made to be provided with dress relay valve, large for wind flow, fill airspeed fast, delivery pressure is stablized, the advantages such as failure rate is low, substantially increase the conversion efficiency of air feed system, and can be general with existing domestic locomotive braking system airline, according to the specific requirement of different automobile types, the profile of structure and size can be varied.
2. a kind of air supply method ensureing train wind according to claim 1, is characterized in that, also comprise, and compressor air outlet and dryer air inlet have additional oil strainer, the air purification units such as water filter, improves wind regime air system quality.
3. a kind of air supply method ensureing train wind according to claim 1, it is characterized in that, also comprise the supplementary reservoir often saving and newly increase a 60L in vehicle, can when not increasing locomotive air source system burden, meet the auxiliary equipment air quantity of permutation car large simultaneously, fill the demand that wind is fast.
4. a kind of air supply method ensureing train wind according to claim 1, it is characterized in that, the described effect realizing the amplification of relay valve charge air speed, main manifestations is, be used for improving further the air quality of air supply system air outlet by water filter, total between reservoir air outlet and each branch road wind devices before described, air pressure value is adjusted by directly not using pressure regulating valve after front total reservoir air outlet, but select relay valve as air outlet, the pilot pressure of a pressure regulating valve as relay valve is set simultaneously, by the control to pressure regulating valve pilot pressure, realize the effect of the amplification of relay valve charge air speed.
5. ensure an air supply device for train wind, it is characterized in that, described device mainly comprises and comprises compressor, be connected successively with the outlet of compressor and be connected to flexible pipe, high pressure relief valve 11bar, oil strainer, water filter, check valve, dryer, high pressure relief valve 9.5bar, front total reservoir, front total reservoir cut out cock, reverse flow check valve, rear total reservoir, locomotive brake gear, total wind bypass cock, dual pipe air supply cock, pressure regulating valve, relay valve, boiler check valve, compression indicator, side door, toilet waste collector, air bellow and underslung water tank.
6. a kind of air supply device ensureing train wind according to claim 5, is characterized in that, described compressor air outlet and dryer air inlet are connected with oil strainer in turn.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116436A (en) * | 2017-11-16 | 2018-06-05 | 中车四方车辆有限公司 | A kind of passenger train air feed system |
| CN109050505A (en) * | 2018-07-10 | 2018-12-21 | 中车大连机车车辆有限公司 | Locomotive air source system |
| CN110606100A (en) * | 2019-09-03 | 2019-12-24 | 中车青岛四方机车车辆股份有限公司 | Fault determination method and device |
| CN110893772A (en) * | 2018-09-13 | 2020-03-20 | 中车大同电力机车有限公司 | Air supply system for electric locomotive and electric locomotive |
| CN111677652A (en) * | 2020-05-07 | 2020-09-18 | 常州机电职业技术学院 | Large-scale new energy locomotive wind regime device |
| CN112918496A (en) * | 2021-02-26 | 2021-06-08 | 北京建筑大学 | Train air consumption calculation method and system |
| CN112963333A (en) * | 2021-02-24 | 2021-06-15 | 中国铁道科学研究院集团有限公司 | Method and device for determining diameter of blowback hole of dryer of vehicle air source device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109050505A (en) * | 2018-07-10 | 2018-12-21 | 中车大连机车车辆有限公司 | Locomotive air source system |
| CN110893772A (en) * | 2018-09-13 | 2020-03-20 | 中车大同电力机车有限公司 | Air supply system for electric locomotive and electric locomotive |
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| CN111677652A (en) * | 2020-05-07 | 2020-09-18 | 常州机电职业技术学院 | Large-scale new energy locomotive wind regime device |
| CN112963333A (en) * | 2021-02-24 | 2021-06-15 | 中国铁道科学研究院集团有限公司 | Method and device for determining diameter of blowback hole of dryer of vehicle air source device |
| CN112918496A (en) * | 2021-02-26 | 2021-06-08 | 北京建筑大学 | Train air consumption calculation method and system |
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