CN105383473A - Air brake valve for locomotive - Google Patents
Air brake valve for locomotive Download PDFInfo
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- CN105383473A CN105383473A CN201510922919.0A CN201510922919A CN105383473A CN 105383473 A CN105383473 A CN 105383473A CN 201510922919 A CN201510922919 A CN 201510922919A CN 105383473 A CN105383473 A CN 105383473A
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- gas circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/04—Driver's valves
- B60T15/048—Controlling pressure brakes of railway vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
- B61H11/10—Aerodynamic brakes with control flaps, e.g. spoilers, attached to the vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention provides an air brake valve for a locomotive. The air brake valve comprises an operating valve which is connected with a train pipe air channel and an auxiliary air cylinder air channel; the operating valve is further connected with a first port of a two-way valve; the two-way valve is further provided with a second port and a two-way valve outlet; the second port is connected with an emergency pressure regulating valve through a two-position three-way reversing valve; the emergency pressure regulating valve communicates with a main air channel; a first control valve port communicating with the train pipe air channel is arranged at one end of the two-position three-way reversing valve; the two-way valve outlet is connected with a mode switching loop capable of communicating with a brake cylinder air channel. The air brake valve for the locomotive has output pressure regulation and selection functions, and is capable of solving the problems of simple and decentralized functions and high maintenance and repair costs of an existing air brake valve, and meeting the requirements of relief and different control pressure of a locomotive brake cylinder in service braking, emergency braking and dead-head mode braking states in an integration way.
Description
Technical field
The present invention relates to rail transit rolling stock braking technology field, particularly relate to a kind of air brake valve for locomotive with delivery pressure adjustment and selection function.
Background technology
At present, Locomotive Brake System requires different brake-cylinder pressures (or brake cylinder control presssure) and exports when using, make train service braking, emergency braking and without fiery loopback (i.e. the unpowered loopback of locomotive) state under required brake-pressure all not identical, therefore as the air brake valve in brake system, the basic output requirement meeting above-mentioned brake-cylinder pressure (or brake cylinder control presssure) must be guaranteed.
Current locomotive braking system utilization is a fairly large number of CCB II brake, EUROTROL brake, JZ-7 air damper, DK-1 electric control motivation and DK-2 brake, be furnished with DB air brake valve respectively, SW4 distributing valve, F7 air brake valve, 109 distributing valves and 109 change distributing valve, above-mentioned brake activation valve does not all possess integratedly provides service braking, emergency braking and without the multiple delivery pressures such as fiery loopback and Output pressure selection function.The emergency braking of DB air brake valve realizes in other module, be drain into below 200kPa according to by total reservoir pressure without the restriction of fiery send pressure, then realize by the mode that train pipe fills wind to total general mood road pressure limiting in other module; SW4 distributing valve can only realize service braking, emergency braking and be by being arranged in other valve class in brake system and cock is selected to realize without fiery loopback; F7 distributing valve realizes service braking and emergency brake pressure by pressure limiting, and carrying out multi-pass operation release of brake to adjust service braking cylinder pressure and to arrange the multi-steps such as total wind pressure without needing during fiery loopback, can not meet the demands without emergency brake pressure during fiery loopback; 109 distributing valves and 109 change distributing valve can realize conventional and emergency brake pressure output, it is limited by safety valve that emergency brake pressure exports, be about to exceed the pressurized air of control presssure ceaselessly discharged to air, cause wasting wind regime, without being that the response pressure adjusting safety valve action by repeatedly release of brake operation realizes equally during fiery loopback, the most at last higher than the pressurized air of control presssure ceaselessly discharged to air.
Above prior art does not all meet integrated, Modular Trends, uses simultaneously, maintenance cost is high, without total wind pressure emptying during fiery loopback state, cause the waste of resource.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of air brake valve for locomotive, to overcome the defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of air brake valve for locomotive, solve the problem that existing air brake valve function is simply disperseed, maintenance and repair cost is high, integratedly meet alleviation and service braking, emergency braking, demand without the different control presssure of locomotive brake cylinder under fiery loop back mode braking mode.
The object of the present invention is achieved like this, a kind of air brake valve for locomotive, comprise an application valve, described application valve is connected with train pipe gas circuit, supplementary reservoir gas circuit, described application valve is also connected with the first port of a two-way valve, described two-way valve is also provided with the second port and two-way valve outlet, described second port is connected with a urgent pressure regulating valve by a two position three way directional control valve, described urgent pressure regulating valve is communicated with total general mood road, one end of described two position three way directional control valve be provided be communicated with described train pipe gas circuit first control valve port; Described two-way valve outlet is connected with the patten transformation loop that can be communicated with brake cylinder gas circuit.
In a better embodiment of the present invention, described patten transformation loop comprises the direct piping and pressure limiting pipeline that are arranged in parallel, described direct piping all exports with described two-way valve with the entrance of described pressure limiting pipeline and is connected, the outlet of described direct piping and described pressure limiting pipeline is connected with one and cuts out cock, cut out cock described in described direct piping passes through to be communicated with described brake cylinder gas circuit and form normal mode passage, cutting out cock described in described pressure limiting pipeline passes through to be communicated with described brake cylinder gas circuit is formed without fiery loop back mode passage.
In a better embodiment of the present invention, described in cut out cock to be provided with and select described normal mode passage or the described control structure without fiery loop back mode passage.
In a better embodiment of the present invention, described in cut out cock on the 8th valve port that is provided with the 6th valve port, the 7th valve port and is communicated with described brake cylinder gas circuit.
In a better embodiment of the present invention, described pressure limiting pipeline is serially connected with a limiting valve, the entrance of described limiting valve exports with described two-way valve and is connected, the outlet of described limiting valve is connected with described 6th valve port, described pressure limiting pipeline by described limiting valve, described 6th valve port, described 8th valve port to be communicated with described brake cylinder gas circuit formed described without fiery loop back mode passage.
In a better embodiment of the present invention, the outlet of described direct piping is connected with described 7th valve port, and described direct piping to be communicated with described brake cylinder gas circuit by described 7th valve port, described 8th valve port and to form described normal mode passage.
In a better embodiment of the present invention, described application valve at least comprises a 3-position 4-way control cock, described 3-position 4-way control cock one end is provided with and is connected with described train pipe gas circuit, control the second control valve port that described 3-position 4-way control cock first control bit enters mode of operation, the other end of described 3-position 4-way control cock is provided with and is connected with described supplementary reservoir gas circuit, control the 3rd control valve port that described 3-position 4-way control cock second control bit enters mode of operation, described 3-position 4-way control cock is also provided with the first valve port be connected with described train pipe gas circuit, the second valve port be connected with described supplementary reservoir gas circuit, the 3rd valve port be connected with described first port and first emptying valve mouth.
In a better embodiment of the present invention, when described 3-position 4-way control cock first control bit enters mode of operation, described train pipe gas circuit is communicated with described supplementary reservoir gas circuit by described first valve port, described second valve port, and described first port is communicated with described first emptying valve mouth by described 3rd valve port; When described 3-position 4-way control cock second control bit enters mode of operation, described supplementary reservoir gas circuit is communicated with described first port by described second valve port, described 3rd valve port, and described first valve port, described first emptying valve mouth are off-state; When described 3-position 4-way control cock is in the normal state, described first valve port, described second valve port, described 3rd valve port and described first emptying valve mouth are mutual off-state.
In a better embodiment of the present invention, described two position three way directional control valve is provided with the 4th valve port be connected with described second port, described two position three way directional control valve is also provided with the 5th valve port be connected with one end of described urgent pressure regulating valve, described two position three way directional control valve is also provided with second emptying valve mouth.
In a better embodiment of the present invention, when described two position three way directional control valve enters state of a control, described second port is communicated with described second emptying valve mouth by described 4th valve port, and described 5th valve port is off-state; When described two position three way directional control valve is in the normal state, described second port is communicated with described urgent pressure regulating valve by described 4th valve port, described 5th valve port, and described second emptying valve mouth is off-state.
From the above mentioned, air brake valve for locomotive provided by the invention has delivery pressure adjustment and selection function, structure is simple, by alleviation, service braking, emergency braking be integrated in one without the braking of fiery loop back mode, integratedly meet alleviation and service braking, emergency braking, demand without the different pressures of locomotive brake cylinder or brake cylinder control presssure under fiery loop back mode braking mode, achieve modularization, integrated; Air brake valve for locomotive of the present invention simplifies the operating process arranged without fiery loop back mode; only need adjust cut out cock " without fiery loop back mode passage "; just can realize without the braking under fiery loop back mode; method is simple; reduce labour intensity, improve work efficiency, simultaneously; do not need to discharge total wind pressure without during fiery loop back mode braking, save pressurized air, protect environment.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1: be the structural representation of air brake valve for locomotive of the present invention.
In figure: 100, air brake valve for locomotive; 1,3-position 4-way control cock; 11, second valve port is controlled; 12, the 3rd valve port is controlled; 13, the first valve port; 14, the second valve port; 15, the 3rd valve port; 16, first emptying valve mouth; 2, two-way valve; 21, the first port; 22, the second port; 23, two-way valve outlet; 3, two position three way directional control valve; 31, first valve port is controlled; 32, the 4th valve port; 33, the 5th valve port; 34, second emptying valve mouth; 35, retracing spring; 4, urgent pressure regulating valve; 5, patten transformation loop; 501, normal mode passage; 502, without fiery loop back mode passage; 51, direct piping; 52, pressure limiting pipeline; 521, limiting valve; 53, cut out cock; 531, the 6th valve port; 532, the 7th valve port; 533, the 8th valve port; 9, train pipe gas circuit; 8, supplementary reservoir gas circuit; 7, total general mood road; 6, brake cylinder gas circuit.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
As shown in Figure 1, air brake valve for locomotive 100 provided by the invention, comprise an application valve (its role is to produce brake cylinder control presssure according to train tube pressure change), application valve and train pipe gas circuit 9, supplementary reservoir gas circuit 8 connects, application valve is also connected with the first port 21 of a two-way valve 2, two-way valve 2 is also provided with the second port 22 and two-way valve outlet 23, second port 22 is connected with a urgent pressure regulating valve 4 (can adjust total general mood road 7 when emergency braking and conduct the gaseous tension) by a two position three way directional control valve 3, urgent pressure regulating valve 4 is communicated with total general mood road 7, one end of two position three way directional control valve 3 be provided be communicated with train pipe gas circuit 9 first control valve port 31, two-way valve outlet 23 is connected with the patten transformation loop 5 that can be communicated with brake cylinder gas circuit 6.The compressed air pressure that the two position three way directional control valve 3 that the compressed air pressure that two-way valve 2 contrasts the application valve output that the first port 21 connects is connected with the second port 22 exports, one end that selection pressure is large exports 23 with two-way valve and is communicated with.
Further, as shown in Figure 1, patten transformation loop 5 comprises the direct piping 51 and pressure limiting pipeline 52 that are set up in parallel, direct piping 51 all exports 23 with two-way valve with the entrance of pressure limiting pipeline 52 and is connected, the outlet of direct piping 51 and pressure limiting pipeline 52 is all connected to one and cuts out cock 53, direct piping 51 53 to be communicated with brake cylinder gas circuit 6 by cutting out cock and to form normal mode passage 501, and pressure limiting pipeline 52 53 to be communicated with brake cylinder gas circuit 6 by cutting out cock and to be formed without fiery loop back mode passage 502.
Further, as shown in Figure 1, cut out cock and 53 be provided with and select normal mode passage 501 or the control structure (not shown) without fiery loop back mode passage 502.This control structure, according to locomotive mode demand (normal mode with without fiery loop back mode), selects one in two mode passageway to be communicated with brake cylinder gas circuit 6.
In the present embodiment, as shown in Figure 1, cut out cock the 8th valve port 533 being provided with the 6th valve port 531, the 7th valve port 532 and being communicated with brake cylinder gas circuit 6 on 53.
Further, as shown in Figure 1, pressure limiting pipeline 52 is serially connected with a limiting valve 521, entrance and the two-way valve of limiting valve 521 export 23 and are connected, the outlet of limiting valve 521 is connected with the 6th valve port 531, and limiting valve 521 is communicated with brake cylinder gas circuit 6 by the 6th valve port 531, the 8th valve port 533 and is formed without fiery loop back mode passage 502.Limiting valve 521 can by the Stress control of output to the brake-cylinder pressure (in a specific embodiment of the present invention, this force value is 250KPa) without fiery loop back mode demand.
Further, as shown in Figure 1, the outlet of direct piping 51 is connected with the 7th valve port 532, and direct piping 51 is communicated with brake cylinder gas circuit 6 by the 7th valve port 532, the 8th valve port 533 and forms normal mode passage 501.
Further, as shown in Figure 1, application valve at least comprises a 3-position 4-way control cock 1, 3-position 4-way control cock 1 one end is provided with and is connected with train pipe gas circuit 9, control the second control valve port 11 that 3-position 4-way control cock first control bit enters mode of operation, the other end of 3-position 4-way control cock 1 is provided with and is connected with supplementary reservoir gas circuit 8, control the 3rd control valve port 12 that 3-position 4-way control cock second control bit enters mode of operation, 3-position 4-way control cock 1 is also provided with the first valve port 13 be connected with train pipe gas circuit 9, the second valve port 14 be connected with supplementary reservoir gas circuit 8, the 3rd valve port 15 be connected with the first port 21 and first emptying valve mouth 16.
In the present embodiment, when 3-position 4-way control cock first control bit enters mode of operation, train pipe gas circuit 9 is communicated with supplementary reservoir gas circuit 8 by the first valve port 13, second valve port 14, and the first port 21 is communicated with first emptying valve mouth 16 by the 3rd valve port 15; When 3-position 4-way control cock second control bit enters mode of operation, supplementary reservoir gas circuit 8 is communicated with the first port 21 by the second valve port 14, the 3rd valve port 15, and the first valve port 13, first emptying valve mouth 16 are in off-state; When 3-position 4-way control cock 1 is in the normal state, the first valve port 13, second valve port 14, the 3rd valve port 15 and first emptying valve mouth 16 is in mutual off-state.
Further, as shown in Figure 1, two position three way directional control valve 3 is provided with the 4th valve port 32 be connected with the second port 22, two position three way directional control valve 3 is also provided with the 5th valve port 33 be connected with one end of urgent pressure regulating valve 4, two position three way directional control valve 3 is also provided with second emptying valve mouth 34, and the other end of two position three way directional control valve 3 is provided with retracing spring 35.
In the present embodiment, when two position three way directional control valve 3 enters state of a control under first controls the control of valve port 31, the second port 22 is communicated with second emptying valve mouth 34 by the 4th valve port 32, and the 5th valve port 33 is in off-state; When two position three way directional control valve 3 is in the normal state, the second port 22 is communicated with urgent pressure regulating valve 4 by the 4th valve port 32, the 5th valve port 33, and second emptying valve mouth 34 is in off-state.
The function of brake cylinder control presssure when air brake valve for locomotive 100 provided by the invention can realize four kinds of states, namely service braking, emergency braking, without the release of brake under fiery loop back mode braking mode and each state.
During service braking state, normal mode passage 501 is selected in patten transformation loop 5, and namely two-way valve outlet 23 is communicated with brake cylinder gas circuit 6 by direct piping 51, the 7th valve port 532, the 8th valve port 533; Train pipe gas circuit 9 air draft is reduced pressure, supplementary reservoir gas circuit 8 pressure is greater than train pipe gas circuit 9 pressure, the 3rd control valve port 12 that 3-position 4-way control cock 1 other end is arranged controls 3-position 4-way control cock second control bit and enters mode of operation, supplementary reservoir gas circuit 8 is communicated with the first port 21 by the second valve port 14, the 3rd valve port 15, and the first valve port 13, first emptying valve mouth 16 are in off-state; Simultaneously, be communicated with train pipe gas circuit 9 first pressure controlling valve port 31 of one end setting of two position three way directional control valve 3 is still greater than the restoring force of the retracing spring 35 of two position three way directional control valve 3, two position three way directional control valve 3 is in state of a control, second port 22 is communicated with second emptying valve mouth 34 by the 4th valve port 32, under differential pressure action, the second port 22 is closed, and the 5th valve port 33 is in off-state; The intake pressure of the first port 21 of two-way valve 2 is greater than the second port, pressurized air enters brake cylinder gas circuit 6 from supplementary reservoir gas circuit 8 through the second valve port 14, the 3rd valve port 15, first port 21, two-way valve outlet 23, direct piping 51, the 7th valve port 532, the 8th valve port 533, control brake cylinder (prior art) and fill wind (in a specific embodiment, under service braking state, brake cylinder fills wind pressure and reaches 420kPa), realize braking.
When alleviating service braking, normal mode passage 501 is selected in patten transformation loop 5, and namely two-way valve outlet 23 is communicated with brake cylinder gas circuit 6 by direct piping 51, the 7th valve port 532, the 8th valve port 533, train pipe gas circuit 9 fills wind, the second control valve port 11 that 3-position 4-way control cock 1 one end is arranged controls 3-position 4-way control cock first control bit and enters mode of operation, train pipe gas circuit 9 is by the first valve port 13, second valve port 14 is communicated with supplementary reservoir gas circuit 8, 3rd valve port 15 is communicated with first emptying valve mouth 16, now two position three way directional control valve 3 enters state of a control under controlling the control of valve port 31 first, second port 22 is communicated with second emptying valve mouth 34 by the 4th valve port 32, under differential pressure action, the second port 22 is closed, pressurized air in brake cylinder gas circuit 6 is through normal mode passage 501, two-way valve outlet 23, first port 21, 3rd valve port 15, first emptying valve mouth 16 is emptying, realize the alleviation of brake cylinder gas circuit.
During emergency braking condition, normal mode passage 501 is selected in patten transformation loop 5, and namely two-way valve outlet 23 is communicated with brake cylinder gas circuit 6 by direct piping 51, the 7th valve port 532, the 8th valve port 533, train pipe gas circuit 9 rapid deflation, supplementary reservoir gas circuit 8 pressure is greater than train pipe gas circuit 9 pressure, the 3rd control valve port 12 that 3-position 4-way control cock 1 other end is arranged controls 3-position 4-way control cock second control bit and enters mode of operation, supplementary reservoir gas circuit 8 is communicated with the first port 21 by the second valve port 14, the 3rd valve port 15, first valve port 13, first emptying valve mouth 16 are in off-state, and pressurized air arrives the first port 21 place from supplementary reservoir gas circuit 8 through the second valve port 14, the 3rd valve port 15, simultaneously, due to train pipe gas circuit 9 rapid deflation, first of two position three way directional control valve 3 controls valve port 31 place and inputs without gas signal, under the effect of retracing spring 35 (in a specific embodiment, retracing spring 35 plays reset response when the pressure that first controls valve port 31 place is less than or equal to 140kPa), two position three way directional control valve 3 enters normality position, second port 22 is by the 4th valve port 32, 5th valve port 33, urgent pressure regulating valve 4 is communicated with total general mood road 7, pressurized air arrives the second port 22 place from total general mood road 7, during emergency braking, the pressure on total general mood road 7 is greater than the pressure that the 3rd valve port 15 exports, second port 22 and two-way valve export 23 and are communicated with, pressurized air from total general mood road 7 through urgent pressure regulating valve 4, 5th valve port 33, 4th valve port 32, second port 22, two-way valve outlet 23, direct piping 51, 7th valve port 532, 8th valve port 533 enters brake cylinder gas circuit 6, control brake cylinder (prior art) and fill wind (in a specific embodiment, under emergency braking condition, brake cylinder fills wind pressure and reaches 450kPa), realize emergency braking.
When alleviating emergency braking, normal mode passage 501 is selected in patten transformation loop 5, and namely two-way valve outlet 23 is communicated with brake cylinder gas circuit 6 by direct piping 51, the 7th valve port 532, the 8th valve port 533, train pipe gas circuit 9 fills wind, the second control valve port 11 that 3-position 4-way control cock 1 one end is arranged controls 3-position 4-way control cock first control bit and enters mode of operation, train pipe gas circuit 9 is by the first valve port 13, second valve port 14 is communicated with supplementary reservoir gas circuit 8, 3rd valve port 15 is communicated with first emptying valve mouth 16, now two position three way directional control valve 3 controls valve port 31 first and fills wind and enter state of a control to when can overcome retracing spring 35 pressure, second port 22 is communicated with second emptying valve mouth 34 by the 4th valve port 32, emptying second port 22 pressure, under differential pressure action, the second port 22 is closed, pressurized air in brake cylinder gas circuit 6 is through normal mode passage 501, two-way valve outlet 23, first port 21, 3rd valve port 15, first emptying valve mouth 16 is emptying, realize the alleviation of brake cylinder gas circuit,
During without fiery loop back mode braking mode, patten transformation loop 5 is selected without fiery loop back mode passage 502, and namely two-way valve outlet 23 is communicated with brake cylinder gas circuit 6 by limiting valve 521, the 6th valve port 531, the 8th valve port 533; Train pipe gas circuit 9 air draft is reduced pressure, supplementary reservoir gas circuit 8 pressure is greater than train pipe gas circuit 9 pressure, the 3rd control valve port 12 that 3-position 4-way control cock 1 other end is arranged controls 3-position 4-way control cock second control bit and enters mode of operation, supplementary reservoir gas circuit 8 is communicated with the first port 21 by the second valve port 14, the 3rd valve port 15, and the first valve port 13, first emptying valve mouth 16 are in off-state; Simultaneously, be communicated with train pipe gas circuit 9 first pressure controlling valve port 31 of one end setting of two position three way directional control valve 3 is still greater than the restoring force of the retracing spring 35 of two position three way directional control valve 3, two position three way directional control valve 3 is in state of a control, second port 22 is communicated with second emptying valve mouth 34 by the 4th valve port 32, under differential pressure action, the second port 22 is closed, and the 5th valve port 33 is in off-state; The intake pressure of the first port 21 of two-way valve 2 is greater than the second port, pressurized air arrives limiting valve 521 from supplementary reservoir gas circuit 8 through the second valve port 14, the 3rd valve port 15, first port 21, two-way valve outlet 23, pressurized air is after limiting valve 521 pressure regulation (in a specific embodiment, pressure regulation is to 250kPa), brake cylinder gas circuit 6 is entered through the 6th valve port 531, the 8th valve port 533, control brake cylinder (prior art) and fill wind (in a specific embodiment, under emergency braking condition, brake cylinder fills wind pressure and reaches 250kPa), realize braking without fiery loop back mode.
When release of brake without fiery loop back mode state, patten transformation loop 5 is selected without fiery loop back mode passage 502, and namely two-way valve outlet 23 is communicated with brake cylinder gas circuit 6 by limiting valve 521, the 6th valve port 531, the 8th valve port 533, train pipe gas circuit 9 fills wind, the second control valve port 11 that 3-position 4-way control cock 1 one end is arranged controls 3-position 4-way control cock first control bit and enters mode of operation, train pipe gas circuit 9 is by the first valve port 13, second valve port 14 is communicated with supplementary reservoir gas circuit 8, 3rd valve port 15 is communicated with first emptying valve mouth 16, now two position three way directional control valve 3 enters state of a control under controlling the control of valve port 31 first, second port 22 is communicated with second emptying valve mouth 34 by the 4th valve port 32, under differential pressure action, the second port 22 is closed, pressurized air in brake cylinder gas circuit 6 is through without fiery loop back mode passage 502, two-way valve outlet 23, first port 21, 3rd valve port 15, first emptying valve mouth 16 is emptying, realize the alleviation of brake cylinder gas circuit.
From the above mentioned, air brake valve for locomotive provided by the invention, structure is simple, by alleviation, service braking, emergency braking be integrated in one without the braking of fiery loop back mode, integratedly meet alleviation and service braking, emergency braking, demand without the different control presssure of locomotive brake cylinder under fiery loop back mode braking mode, achieve modularization, integrated; Air brake valve for locomotive of the present invention simplifies the operating process arranged without fiery loop back mode; only need adjust cut out cock " without fiery loop back mode passage "; just can realize without the braking under fiery loop back mode; method is simple; reduce labour intensity, improve work efficiency, simultaneously; without no longer emptying total wind pressure during fiery loop back mode braking, save pressurized air, protect environment.
The foregoing is only the schematic detailed description of the invention of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (10)
1. an air brake valve for locomotive, it is characterized in that: comprise an application valve, described application valve is connected with train pipe gas circuit, supplementary reservoir gas circuit, described application valve is also connected with the first port of a two-way valve, described two-way valve is also provided with the second port and two-way valve outlet, described second port is connected with a urgent pressure regulating valve by a two position three way directional control valve, described urgent pressure regulating valve is communicated with total general mood road, one end of described two position three way directional control valve be provided be communicated with described train pipe gas circuit first control valve port; Described two-way valve outlet is connected with the patten transformation loop that can be communicated with brake cylinder gas circuit.
2. air brake valve for locomotive as claimed in claim 1, it is characterized in that: described patten transformation loop comprises the direct piping and pressure limiting pipeline that are arranged in parallel, described direct piping all exports with described two-way valve with the entrance of described pressure limiting pipeline and is connected, the outlet of described direct piping and described pressure limiting pipeline is connected with one and cuts out cock, cut out cock described in described direct piping passes through to be communicated with described brake cylinder gas circuit and form normal mode passage, cutting out cock described in described pressure limiting pipeline passes through to be communicated with described brake cylinder gas circuit is formed without fiery loop back mode passage.
3. air brake valve for locomotive as claimed in claim 2, is characterized in that: described in cut out cock to be provided with and select described normal mode passage or the described control structure without fiery loop back mode passage.
4. air brake valve for locomotive as claimed in claim 3, is characterized in that: described in cut out cock on the 8th valve port that is provided with the 6th valve port, the 7th valve port and is communicated with described brake cylinder gas circuit.
5. air brake valve for locomotive as claimed in claim 4, it is characterized in that: described pressure limiting pipeline is serially connected with a limiting valve, the entrance of described limiting valve exports with described two-way valve and is connected, the outlet of described limiting valve is connected with described 6th valve port, described pressure limiting pipeline by described limiting valve, described 6th valve port, described 8th valve port to be communicated with described brake cylinder gas circuit formed described without fiery loop back mode passage.
6. air brake valve for locomotive as claimed in claim 4, it is characterized in that: the outlet of described direct piping is connected with described 7th valve port, described direct piping to be communicated with described brake cylinder gas circuit by described 7th valve port, described 8th valve port and to form described normal mode passage.
7. air brake valve for locomotive as claimed in claim 1, it is characterized in that: described application valve at least comprises a 3-position 4-way control cock, described 3-position 4-way control cock one end is provided with and is connected with described train pipe gas circuit, control the second control valve port that described 3-position 4-way control cock first control bit enters mode of operation, the other end of described 3-position 4-way control cock is provided with and is connected with described supplementary reservoir gas circuit, control the 3rd control valve port that described 3-position 4-way control cock second control bit enters mode of operation, described 3-position 4-way control cock is also provided with the first valve port be connected with described train pipe gas circuit, the second valve port be connected with described supplementary reservoir gas circuit, the 3rd valve port be connected with described first port and first emptying valve mouth.
8. air brake valve for locomotive as claimed in claim 7, it is characterized in that: when described 3-position 4-way control cock first control bit enters mode of operation, described train pipe gas circuit is communicated with described supplementary reservoir gas circuit by described first valve port, described second valve port, and described first port is communicated with described first emptying valve mouth by described 3rd valve port; When described 3-position 4-way control cock second control bit enters mode of operation, described supplementary reservoir gas circuit is communicated with described first port by described second valve port, described 3rd valve port, and described first valve port, described first emptying valve mouth are off-state; When described 3-position 4-way control cock is in the normal state, described first valve port, described second valve port, described 3rd valve port and described first emptying valve mouth are mutual off-state.
9. air brake valve for locomotive as claimed in claim 1, it is characterized in that: described two position three way directional control valve is provided with the 4th valve port be connected with described second port, described two position three way directional control valve is also provided with the 5th valve port be connected with one end of described urgent pressure regulating valve, described two position three way directional control valve is also provided with second emptying valve mouth.
10. air brake valve for locomotive as claimed in claim 9, is characterized in that: when described two position three way directional control valve enters state of a control, and described second port is communicated with described second emptying valve mouth by described 4th valve port, and described 5th valve port is off-state; When described two position three way directional control valve is in the normal state, described second port is communicated with described urgent pressure regulating valve by described 4th valve port, described 5th valve port, and described second emptying valve mouth is off-state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922919.0A CN105383473B (en) | 2015-12-14 | 2015-12-14 | air brake valve for locomotive |
Applications Claiming Priority (1)
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667537A (en) * | 2016-04-01 | 2016-06-15 | 青岛思锐科技有限公司 | Fireless returning device of locomotive |
| CN106394531A (en) * | 2016-11-28 | 2017-02-15 | 中车洛阳机车有限公司 | Air control device used for vehicle emergency braking |
| CN106428102A (en) * | 2016-12-06 | 2017-02-22 | 中车长春轨道客车股份有限公司 | Compressed air control and distribution device for return and rescue of motor train units |
| CN107472291A (en) * | 2017-08-25 | 2017-12-15 | 中车青岛四方车辆研究所有限公司 | Without fiery loopback module, locomotive air brake control and control system |
| CN107776605A (en) * | 2016-08-31 | 2018-03-09 | 克诺尔车辆设备(苏州)有限公司 | For the control car of locomotive or similar locomotive without fiery loopback control system |
| CN108162938A (en) * | 2018-01-09 | 2018-06-15 | 中车株洲电力机车有限公司 | A kind of locomotive and its on-position switching control system |
| CN108454649A (en) * | 2018-04-04 | 2018-08-28 | 湖南高速铁路职业技术学院 | Locomotive remotely alleviates system with EMU parking brake |
| CN109532930A (en) * | 2019-01-08 | 2019-03-29 | 中车株洲电力机车有限公司 | Braking system and rail vehicle |
| CN109703595A (en) * | 2019-01-29 | 2019-05-03 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle double mode rescue converting device, method and vehicle |
| CN109703596A (en) * | 2019-01-29 | 2019-05-03 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle double mode rescue converting device, method and vehicle |
| CN113060177A (en) * | 2021-03-31 | 2021-07-02 | 中车青岛四方车辆研究所有限公司 | Locomotive brake cylinder control system and control method |
| WO2023045103A1 (en) * | 2021-09-23 | 2023-03-30 | 中车株洲电力机车有限公司 | Air backup brake transition system and method, and rail transit vehicle |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667537A (en) * | 2016-04-01 | 2016-06-15 | 青岛思锐科技有限公司 | Fireless returning device of locomotive |
| CN107776605A (en) * | 2016-08-31 | 2018-03-09 | 克诺尔车辆设备(苏州)有限公司 | For the control car of locomotive or similar locomotive without fiery loopback control system |
| CN106394531A (en) * | 2016-11-28 | 2017-02-15 | 中车洛阳机车有限公司 | Air control device used for vehicle emergency braking |
| CN106428102B (en) * | 2016-12-06 | 2020-06-02 | 中车长春轨道客车股份有限公司 | Compressed air control and distribution device for back sending rescue of motor train unit |
| CN106428102A (en) * | 2016-12-06 | 2017-02-22 | 中车长春轨道客车股份有限公司 | Compressed air control and distribution device for return and rescue of motor train units |
| CN107472291A (en) * | 2017-08-25 | 2017-12-15 | 中车青岛四方车辆研究所有限公司 | Without fiery loopback module, locomotive air brake control and control system |
| CN108162938A (en) * | 2018-01-09 | 2018-06-15 | 中车株洲电力机车有限公司 | A kind of locomotive and its on-position switching control system |
| EP3736188A4 (en) * | 2018-01-09 | 2021-10-13 | CRRC Zhuzhou Locomotive Co., Ltd. | Locomotive and brake state transition control system therefor |
| CN108454649A (en) * | 2018-04-04 | 2018-08-28 | 湖南高速铁路职业技术学院 | Locomotive remotely alleviates system with EMU parking brake |
| CN108454649B (en) * | 2018-04-04 | 2023-08-15 | 湖南高速铁路职业技术学院 | Remote relieving system for parking brake of locomotive and motor train unit |
| CN109532930A (en) * | 2019-01-08 | 2019-03-29 | 中车株洲电力机车有限公司 | Braking system and rail vehicle |
| CN109703596A (en) * | 2019-01-29 | 2019-05-03 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle double mode rescue converting device, method and vehicle |
| CN109703595A (en) * | 2019-01-29 | 2019-05-03 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle double mode rescue converting device, method and vehicle |
| CN113060177A (en) * | 2021-03-31 | 2021-07-02 | 中车青岛四方车辆研究所有限公司 | Locomotive brake cylinder control system and control method |
| WO2023045103A1 (en) * | 2021-09-23 | 2023-03-30 | 中车株洲电力机车有限公司 | Air backup brake transition system and method, and rail transit vehicle |
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Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee after: BEIJING ZONGHENG ELECTRO-MECHANICAL TECHNOLOGY Co.,Ltd. Patentee after: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Co-patentee after: LOCOMOTIVE & CAR RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee before: BEIJING ZONGHENG ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Patentee before: China Academy of Railway Sciences Co-patentee before: CHINA ACADEMY OF RAILWAY SCIENCES LOCOMOTIVE & CAR Research Institute |
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