CN105083299B - A kind of air supply method and device ensureing train wind - Google Patents
A kind of air supply method and device ensureing train wind Download PDFInfo
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- CN105083299B CN105083299B CN201510466387.4A CN201510466387A CN105083299B CN 105083299 B CN105083299 B CN 105083299B CN 201510466387 A CN201510466387 A CN 201510466387A CN 105083299 B CN105083299 B CN 105083299B
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Abstract
The present invention relates to a kind of air supply methods and device for ensureing train wind, this method does not change original train air feed function, pilot pressure by one pressure regulator valve of setting as relay valve, pass through the control to pressure regulator valve pilot pressure, come realize relay valve air mass flow rate amplification effect, after so that the air feed system of locomotive is provided with dress relay valve, it is big for wind flow, it is fast to fill airspeed, output pressure is stablized, the advantages such as failure rate is low, substantially increase the transformation efficiency of air feed system, and it can be general with existing domestic locomotive braking system air pipe line, according to the specific requirement of different automobile types, the air supply method of guarantee train wind of the invention, the shape and size of structure can be varied.
Description
Technical field
The present invention relates to a kind of air supply methods and device for ensureing train wind, and especially a kind of safe and reliable is suitable for
The air supply method and device of the novel guarantee train wind of all kinds of trains.
Background technique
In order to adapt to Transportation Development, meet the various auxiliary air supplies such as the pneumatic door of advanced passenger train, air spring, toilet waste collector
Equipment is required with wind, and the air supply method of traditional train has not been able to satisfy growing auxiliary gradually with wind devices wind
The demand of amount, especially previous ventilation apparatus, air quality is poor, pressure reducing valve high failure rate, leaks out serious, and it is slow to fill wind, output
Wind pressure is unstable, causes locomotive wind pressure and train tail wind pressure deviation to be greater than 50kpa, is not able to satisfy last vehicle of train for wind pressure
The requirement of 600kpa, and because air feed it is bad caused by machine is broken, air spring damping performance is deteriorated etc. that all kinds of failures happen occasionally,
Therefore it is necessary to be improved to former air feed system.
Summary of the invention
The main object of the present invention is to provide a kind of guarantee train wind on the basis of guarantee train original air supply ability
Air supply method and device, meet train ancillary equipment wind demand, also to make its function excellent, working service is convenient.
The air supply method and device of a kind of guarantee train wind of the invention have following features and excellent compared with prior art
Point is:
1, improve the delivery efficiency of train air feed, and fill wind velocity is fast, output pressure stablize；
2, Highgrade integration designs, maintenance convenient for safeguarding.
3, performance is stablized, and effect is obvious, and failure rate is low, securely and reliably, has very strong adaptability to bad working environments.
4, train air wind regime quality is largely improved, improves the reliability and stabilization of braking system part indirectly
Property.
According to the above feature, we devise a kind of air supply method for ensureing train wind, do not change original train air feed
Function, pilot pressure of the step 1 by one pressure regulator valve of setting as relay valve, step 2 pass through to pressure regulator valve pilot pressure
Control, the effect of the amplification of Lai Shixian relay valve air mass flow rate, so as to so that the air feed system of locomotive is provided with dress
It is big for wind flow, fill the advantages such as airspeed is fast, output pressure is stable, failure rate is low after relay valve, substantially increase air feed system
The transformation efficiency of system, and can be general with existing domestic locomotive braking system air pipe line, according to the specific requirement of different automobile types,
The shape and size of structure can be varied.
A kind of air supply method ensureing train wind as described above further includes that compressor air outlet and drier are entered the wind
Oil strainer is had additional at mouthful, the air cleaning units such as water filter improve wind regime air system quality.
A kind of air supply method ensureing train wind as described above, further includes that a 60L is newly increased in every section vehicle
Supplementary reservoir, can be in the case where not increasing locomotive air source system burden, while it is big to meet permutation vehicle auxiliary equipment air quantity,
Fill the fast demand of wind.
A kind of air supply method ensureing train wind as described above, the amplification for realizing relay valve air mass flow rate
Effect, be mainly shown as, be used to further increase the air quality of air supply system air outlet by water filter, it is total before described
Between cylinder air outlet and each branch wind devices, by directly not adjusting air using pressure regulator valve after preceding total cylinder air outlet
Pressure value, but select relay valve as air outlet, while pilot pressure of the pressure regulator valve as relay valve is set, by right
The control of pressure regulator valve pilot pressure, the effect of the amplification of Lai Shixian relay valve air mass flow rate.
Present invention simultaneously relates to it is a kind of ensure train wind air supply device, described device mainly include comprising compressor,
Outlet with compressor, which is sequentially connected, is connected to hose, high-pressure safety valve 11bar, oil strainer, water filter, check valve, dry
Device, high-pressure safety valve 9.5bar, preceding total cylinder, preceding total cylinder cutout cock, reverse flow check valve, rear total cylinder, locomotive brake gear,
Total wind bypasses cock, dual pipe air supply cock, pressure regulator valve, relay valve, check-valves, pressure gauge, side door, toilet waste collector, air spring and
Underslung water tank.
A kind of air supply device ensureing train wind as described above, the compressor air outlet and drier air inlet
It is connected with oil strainer in turn.A kind of railway locomotive train pipe control device as described above, the device is without being separately provided standby
Brake cabinet.
Detailed description of the invention
Fig. 1 is a kind of flow chart of air supply method for ensureing train wind of the present invention；
Fig. 2 is a kind of air feeding device of engine theory structure signal of air supply device for ensureing train wind of the present invention
Figure；
Fig. 3 is a kind of rail vehicle auxiliary wind system principle of air supply device for ensureing train wind of the present invention
Structural schematic diagram.
Specific embodiment
Fig. 1 is a kind of flow chart of air supply method for ensureing train wind of the present invention；Fig. 2 is of the present invention
A kind of air feeding device of engine theory structure schematic diagram for the air supply device ensureing train wind；Fig. 3 is one kind of the present invention
Ensure the rail vehicle auxiliary wind system theory structure schematic diagram of the air supply device of train wind.As shown in Figure 1-Figure 3, the party
The key step of method are as follows: step 1 does not change original train air feed function, is used as relay valve by one pressure regulator valve (16) of setting
(17) pilot pressure, step 2 are to pass through the control to pressure regulator valve (17) pilot pressure, Lai Shixian relay valve (17) air stream
The effect of the amplification of rate is measured, it is big for wind flow, fill wind after so that the air feed system of locomotive is provided with dress relay valve
The advantages such as rate is fast, output pressure is stable, failure rate is low, substantially increase the transformation efficiency of air feed system, and with the existing country
Locomotive braking system air pipe line can be general, according to the specific requirement of different automobile types, the confession of guarantee train wind of the invention
Wind method, the shape and size of structure mainly can include for varied air supply device for ensureing train wind, comprising compressor
(1), it is sequentially connected and is connected to hose (2) with the outlet of compressor (1), high-pressure safety valve 11bar (3), oil strainer (4), water mistake
Filter (5), check valve (6), drier (7), high-pressure safety valve 9.5bar (8), preceding total cylinder (9), preceding total cylinder cutout cock
(10), reverse flow check valve (11), rear total cylinder (12), locomotive brake gear (13), total wind bypass cock (14), dual pipe air supply cock
(15), pressure regulator valve (16), relay valve (17), check-valves (18), pressure gauge (19), side door (20), toilet waste collector (21), air spring
(22), underslung water tank (23).Compressor (1) air outlet and drier (7) air inlet are connected with oil strainer (4), water in turn
Filter (5) is used to further increase the air quality of air supply system air outlet；Preceding total cylinder (9) air outlet and each branch wind
Between equipment, using a kind of air supply method of completely new pilot-operated type, i.e., not directly using pressure regulator valve after preceding total cylinder (9) air outlet
Air pressure value is adjusted, but relay valve (17) is selected to be used as air outlet, while a pressure regulator valve (16) is set and is used as relay valve
(17) pilot pressure, by the control to relay valve (17) pilot pressure, Lai Shixian relay valve (17) air mass flow rate
The effect of amplification, after so that the air feed system of locomotive is provided with dress relay valve, it is big for wind flow, fill airspeed it is fast,
The advantages such as output pressure is stable, failure rate is low, substantially increase the transformation efficiency of air feed system.
As shown in Fig. 3, which includes air feeding device of engine (24), locomotive anti-collision cock (25), locomotive end dog-ear
Cock (26) is connected through the total wind hose coupling (27) in vehicle end with every section vehicle supplementary reservoir (28), since the air feed of train is complete
Portion calculates and combines practical experience with wind devices blast consumption according to train auxiliary from the output of locomotive air source system, this
The method for ensureing train wind is the supplementary reservoir (24) that one is newly increased in every section vehicle, can not increase locomotive air source
In the case where system burden, while it is big to meet permutation vehicle auxiliary equipment air quantity, fills the fast demand of wind.It is train auxiliary wind below
Cylinder volume type selection calculation:
Train assists blast consumption to calculate:
According to relevant information, it is assumed that running section is 2 stops of arriving at a station, it is known that:
It is about 178L that service braking, which consumes wind,；
It is about 267L that section speed regulation consumption wind is calculated by 1.5 times of the service braking wind that arrives at a station；
Side door: the side door of every side 2 stops 1 time and acts 2 times, and 2 total movements 4 times of stopping consume wind about 320L.
Toilet waste collector: it is assumed that every 5min movement is primary, averagely consumption wind is about 21L；
Air spring: blast consumption per minute is 30L；
Underslung water tank: blast consumption 10L per minute.
It follows that the total blast consumption of each car (leakage for considering 10%)
=[(267+320+21)/60+30+10] × 1.1
=55.1m3/min
Pass through theoretical calculation and combine actual conditions, the volume settings of supplementary reservoir are 60L, can ensure that train auxiliary is used
Wind demand.Obtained effect is to beat wind verification experimental verification through train, uses conventional method train from 0-550kpa air-filled time for 10-
12 minutes, 0-600kpa only needed 3-4 minutes after being improved using new method, and train tail wind pressure can reach in 3-4 minutes
600kpa, and it is able to maintain stabilization, reach expected design effect.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (1)
1. a kind of air supply device for ensureing train wind, which is characterized in that described device mainly includes compressor, with compressor
Outlet, which is sequentially connected, is connected to hose, high-pressure safety valve 11bar, oil strainer, water filter, check valve, drier, high-voltage safety
Valve 9.5bar, preceding total cylinder, preceding total cylinder cutout cock；
Preceding one branch of total cylinder cutout cock is connected with reverse flow check valve, rear total cylinder, locomotive brake gear, another branch in turn
It is connected with and cock, dual pipe air supply cock, pressure regulator valve, relay valve, the air stream of check-valves and pressure gauge composition is bypassed by total wind
Amount control system, behind be separately connected side door, toilet waste collector, air spring and underslung water tank；
Wherein the pressure regulator valve is arranged to control the relay valve pilot pressure；
The compressor air outlet and drier air inlet are connected with oil strainer in turn.
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Families Citing this family (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 |
| CN109050505B (en) * | 2018-07-10 | 2020-03-13 | 中车大连机车车辆有限公司 | Locomotive wind source system |
| CN110893772B (en) * | 2018-09-13 | 2021-03-02 | 中车大同电力机车有限公司 | Air supply system for electric locomotive and electric locomotive |
| CN110606100B (en) * | 2019-09-03 | 2021-06-25 | 中车青岛四方机车车辆股份有限公司 | Fault determination method and device |
| CN111677652B (en) * | 2020-05-07 | 2021-10-01 | 常州机电职业技术学院 | Large-scale new energy locomotive wind regime device |
| CN112963333B (en) * | 2021-02-24 | 2022-09-23 | 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 |
| CN112918496B (en) * | 2021-02-26 | 2022-09-27 | 北京建筑大学 | Train air consumption calculation method and system |
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Address after: 037038 Shanxi City, Datong City Qianjin Street, No. 1 Applicant after: CRRC Datong Co., Ltd. Address before: 037038 Daqing Road, Shanxi, No. 1, No. Applicant before: CNR, Datong Electric Locomotive Co., Ltd. |
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