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CN102180159B - Railway wagon brake control system and test method thereof - Google Patents

Railway wagon brake control system and test method thereof Download PDF

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Publication number
CN102180159B
CN102180159B CN 201110091730 CN201110091730A CN102180159B CN 102180159 B CN102180159 B CN 102180159B CN 201110091730 CN201110091730 CN 201110091730 CN 201110091730 A CN201110091730 A CN 201110091730A CN 102180159 B CN102180159 B CN 102180159B
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control system
brake
valve
emergency
testing device
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CN102180159A (en
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姚小沛
陶强
吴培元
孙德环
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Locomotive and Car Research Institute of CARS
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Locomotive and Car Research Institute of CARS
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Abstract

The invention relates to a system for controlling the motion state of a railway vehicle and a method for correspondingly testing the system, in particular to a railway wagon brake control system and a testing scheme used on the system. The brake control system comprises a brake main pipe, wherein an air control valve is communicated with a brake branch pipe through the brake main pipe and is communicated with an air cylinder system; and an emergency valve intermediate and an emergency valve are communicated with the brake main pipe through the brake branch pipe. Meanwhile, the invention discloses a method for testing the brake control system on a single vehicle tester. Through the technical scheme, the invention provides the brake control system suitable for a wagon with the brake main pipe having the length of more than 24m, and also provides the method for testing the brake control system by using the single vehicle tester.

Description

Railway wagon brake control system and test method
Technical field
The present invention relates to a kind of system for the state of kinematic motion of guideway vehicle is controlled, and the method for this system being carried out corresponding test.More specifically, the present invention relates to a kind of railway wagon brake control system, and the testing program that adopts in this system.
Background technology
The general purpose freight car bicycle brake pipe of China 60t and 70t is long substantially about 15 meters at present, the braking control system basic configuration is for using 120 type lorry air diverter valves, connected capacity is 40L or 50L auxiliary reservoir, capacity is that reservoir is alleviated in the acceleration of 11L, 254mm or 305mm brake cylinder also have part vehicle configuration 60L auxiliary reservoir and 356mm brake cylinder.
The heavy C80 type of 25t axle special purpose freight car bicycle brake pipe length is 13 meters, and the braking control system basic configuration is 1 120-1 type lorry air diverter valve, and capacity is 40L or 50L auxiliary reservoir, and capacity is that reservoir, 254mm or 305mm brake cylinder are alleviated in the acceleration of 11L; Two bathtub type aluminum alloy C80 lorry adapted 55L auxiliary reservoirs, 2 203mm brake cylinders.In sum, existing freight car braking control system substantially all is with 1 cover 120 or 120-1 type lorry air diverter valve.
But, existing domestic freight car braking control system and the bicycle brake test method that is applied in this braking control system can only be applicable to the vehicle that the brake pipe is not more than 24m, but not for the braking control system of the lorry with the brake pipe more than the 24m and use single car test method on it, therefore can not carry out better system test for above-mentioned vehicle.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of railway wagon brake control system with 24m brake pipe that is applied in, and provide and utilize single car testing device the lorry of this braking control system to be carried out the method for single car test, and then whole lorries is carried out system test.
In order to realize above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of railway wagon brake control system provided by the invention, comprise for the transmission braking, mitigation signal also provides the brake pipe who brakes wind regime, this brake pipe is communicated with air diverter valve, this air diverter valve is communicated with each assembly in the reservoir system, be that with the topmost difference of prior art the air-brake controlling device of existing guideway vehicle only comprises a cover Control Valves for Freight Cars in the technical scheme of this freight car braking control system, i.e. intermediate, a main valve and an emergency valve, this control system is in order to adapt to brake pipe's length greater than the 24m long vehicle, on the basis of using a cover Control Valves for Freight Cars, increased the urgent exhaust valve of a cover, this device comprises an emergency valve intermediate and an emergency valve.
Particularly, described emergency brake valve intermediate has following structure, comprise matrix, and the lug that is arranged on both sides, matrix top, and be provided be used to the connecting through hole that connects described brake pipe at the center of this matrix, on this matrix, also be provided with the coupling assembling that is communicated with emergency valve simultaneously.
In addition, be respectively arranged with at least one at described lug and be used for fixing through hole, by this through hole this emergency brake valve intermediate detachably is arranged on the railway truck.
Described coupling assembling comprises at least two fixed orifices that are arranged on the described matrix, connecting bore corresponding on above-mentioned two fixed orifices and the emergency valve is corresponding, can simply and easily the emergency valve intermediate be connected together with emergency valve like this, simultaneously good connecting effect.
Further, be provided with Combined dust collector between described brake pipe and the described air diverter valve and between described brake pipe and the described emergency valve intermediate, be used for collecting the dust between connected other assembly of described brake pipe in the above-mentioned Combined dust collector, prevent the whole system obstruction.
Further, described air diverter valve comprises main valve and release valve, the intermediate that is connected with described main valve and release valve, and the emergency valve that is connected with this intermediate, should be 1/2 of whole lorry length at emergency valve and the spacing distance between the emergency valve that the emergency valve intermediate arranges that this air diverter valve arranges; In addition, described reservoir assembly comprises auxiliary reservoir, brake cylinder and accelerates to alleviate reservoir.
Understand specifically the structure of railway wagon brake control system in the technique scheme, simultaneously the present invention also provides and has utilized single car testing device to the test method of above-mentioned railway wagon brake control system, all experimental techniques all are based on the test that the bicycle tester carries out, and concrete experimental technique comprises the steps:
The first step places the inflation position so that described auxiliary reservoir inflation level pressure with described single car testing device;
Second step places the pressurize position with described single car testing device and the 50kpa and brake action occurs in the reduce pressure process of 50kpa of described brake pipe of will reducing pressure;
The 3rd step, 60 seconds of braking control system pressurize and do not carry out unintended release.
Above-mentioned three step test methods then can continue to finish the release sensitivity test by be achieved as follows step on the basis in above-mentioned three steps subsequently in order to finish the braking sensibility test.
The 4th step placed the exhaust position with described single car testing device, continued decompression to 400kpa;
The 5th step was arranged on the pressurize position with described single car testing device, after pressure stability, described single car testing device is arranged on charge position, and checks piston position after 90 seconds.
Further braking control system of the present invention is carried out the stable test of service braking at single car testing device, specifically comprise the steps:
The first step places the inflation position so that described auxiliary reservoir inflation level pressure with described single car testing device;
Second step, after 60 seconds, use the service braking valve that described brake pipe is decompressed to 450kpa, and then placing the exhaust position to carry out air draft described single car testing device rapidly, described single car testing device places pressurize position and slowly closing air draft and guarantees not occur the emergency braking effect behind the described brake pipe decompression 200kpa;
In the 3rd step, in 60 seconds of pressurize, check the brake cylinder stroke.
In addition braking control system provided by the invention is carried out emergency braking tests at single car testing device, specifically then comprise the steps:
The first step, described single car testing device place the inflation position to inflate;
Second step places the pressurize position with described single car testing device, carries out simultaneously emergency exhaust and air draft commonly used, brake pipe reduce pressure 100kpa and the effect of described control system generation emergency braking.
In sum, by adopting above-mentioned technical scheme, the invention provides a kind of braking control system that is applicable to have the above brake pipe's of 24m lorry, simultaneously the present invention also provides and has utilized single car testing device that this braking control system is carried out test method.
Description of drawings
What show among Fig. 1 is the concrete connection structure schematic diagram of braking control system of the present invention;
What show among Fig. 2 A is the main TV structure schematic diagram of emergency valve intermediate embodiment of the present invention;
What show among Fig. 2 B is that the A-A of emergency valve intermediate embodiment of Fig. 1 of the present invention is to the sectional structure schematic diagram;
What show among Fig. 2 C is the backsight structural representation of the emergency valve intermediate of Fig. 1 of the present invention.
The component Name of each label representative is described as follows in the accompanying drawing:
1 main valve and release valve 2 intermediates 3 emergency valves 4 emergency valve intermediates
5 Combined dust collectors, 6 brake pipes, 7 brake cylinders 8 accelerate to alleviate reservoir
9 auxiliary reservoirs, 41 matrixes, 42 lugs, 43 connecting through holes
44 fixed orifices, 45 through holes
The specific embodiment
The invention reside in provides a kind of braking control system that is applicable to have the above brake pipe's of 24m lorry, and simultaneously the present invention also provides the method for utilizing single car testing device that braking control system is tested., be described in detail below in conjunction with the connection structure of Figure of description to the embodiment of braking control system of the present invention for this reason, also further specify simultaneously the method for utilizing single car testing device that braking control system is tested.
What show among Fig. 1 is the concrete connection structure schematic diagram of the embodiment of braking control system of the present invention.Railway wagon brake control system in the present embodiment, comprise the brake pipe 6 greater than 24m for the transmission brake-pressure, this brake pipe 6 is communicated with 120-1 type air diverter valve, this 120-1 type air diverter valve is communicated with each reservoir assembly in the reservoir system, is that with the difference of prior art most critical described brake pipe 6 also is communicated with emergency valve 3 by emergency valve intermediate 4 in the technical scheme of this freight car braking control system.
Further, be provided with Combined dust collector 5 between above-mentioned brake pipe 6 and the 120-1 type air diverter valve and between described brake pipe 6 and the emergency valve intermediate 4, above-mentioned Combined dust collector 5 is used for the switching situation of control linkage path and collects simultaneously dust between connected other assembly of described brake pipe, prevents that whole system from blocking.
To be applicable to brake pipe's length be that the railway wagon brake control cock basic comprising of 24~30m comprises in the present embodiment braking control system in particular: a cover 120-1 type lorry air diverter valve and an emergency valve 3 form.Wherein 120-1 type control cock is comprised of an intermediate 2, main valve and release valve 1 and an emergency valve 3, is assembled in an end of vehicle, by the switching situation of path between Combined dust collector 5 controls of above-mentioned explanation itself and the brake pipe 6; The emergency exhaust valve then is comprised of an emergency valve intermediate 4 and an emergency valve 3, be assembled in the other end of vehicle, also two each and every one emergency valve 3 spacing distances by the above-mentioned explanation of switching situation between a Combined dust collector control and the brake pipe 6 should be 1/2nd of lorry length.In addition, described reservoir assembly comprises that whole braking control system is used for the requisite auxiliary reservoir 9 of normal operation, brake cylinder 7 and accelerates alleviation reservoir 8, can certainly comprise the assembly of other prior art, has not here just given unnecessary details one by one.
Wherein 120-1 type lorry air diverter valve (comprising emergency valve 3) is existing procucts, emergency valve 2 intermediates are new deisgn product, adopt the QT450-10 casting, the emergency chamber volume that built-in emergency valve 3 is required has emergency valve interface and brake branch pipe interface on it.
Shown respectively among Fig. 2 A, Fig. 2 B and Fig. 2 C that the main TV structure schematic diagram, A-A of emergency valve intermediate of the present invention are to the back view of sectional structure schematic diagram and emergency valve intermediate.Comprise matrix 41 by the intermediate of emergency brake valve shown in the figure, and the lug 42 that is separately positioned on both sides, matrix 41 top, and be provided be used to the connecting through hole 43 that connects described brake pipe at the center of this matrix 41, on this matrix 41, also be provided with the coupling assembling that is communicated with emergency valve simultaneously.
In addition, be respectively arranged with one at described lug 42 and be used for fixing through hole 45, by this through hole 45 this emergency brake valve intermediate detachably is arranged on the railway truck.
The coupling assembling that shows in the drawings comprises at least two fixed orifices 44 that are arranged on the described matrix, connecting bore 43 corresponding on above-mentioned two fixed orifices 44 and the emergency valve is corresponding, can simply and easily the emergency valve intermediate be connected together with emergency valve like this, simultaneously good connecting effect.
Above-mentioned explanation be structure for the concrete railway wagon brake control system that realizes test method of the present invention, the below's detailed description the present invention also provides and has utilized single car testing device that above-mentioned railway wagon brake control system is carried out the different tests method, specifically comprises following test method:
(1) braking control system provided by the invention was realized ball test, brake pipe leak-test and full car leak-test, the method of above-mentioned test and technical requirements can be referring to the related contents of existing TB/T1492-2002 regulation, the regulation in their testing sequence and the above-mentioned standard can be in full accord.
(2) in addition to the test method of braking control system realization braking of the present invention and release sensitivity, this braking and alleviation sensitivity test mainly comprise two tests: i.e. braking sensibility test, and release sensitivity test, and concrete step is as follows:
The braking sensibility test:
The first step places the inflation position so that described auxiliary reservoir inflation level pressure with described single car testing device;
Second step places the pressurize position with described single car testing device and the 50kpa and reduce pressure at least described brake pipe that brake action occurs the 50kpa process of will reducing pressure;
The 3rd step, described 60 seconds of braking control system pressurize and do not carry out unintended release.
The release sensitivity test
The 4th step placed the exhaust position with described single car testing device, continued decompression to 400kpa;
The 5th step was arranged on the pressurize position with described single car testing device, after pressure stability, described single car testing device is arranged on charge position, and checks piston position after 90 seconds.
(3) further, braking control system of the present invention is further carried out the stable test of service braking, specifically comprise the steps:
The first step places the inflation position so that described auxiliary reservoir inflation level pressure with described single car testing device;
Second step, after 60 seconds, described brake pipe is decompressed to 450kpa, and then placing the exhaust position to carry out air draft the described single car testing device, described single car testing device places pressurize position and slowly closing air draft and guarantees that the emergency braking effect does not occur braking control system behind the described brake pipe decompression 200kpa;
The 3rd step, 60 seconds of pressurize, and when compression indicator is arranged on the exhausr port of 120-1 valve, braking control system should be placed normal inflation position, then pressurize, brake cylinder must not sew and surpassed 5kpa, and while inspection brake cylinder stroke in pressure maintaining period.
It should be noted simultaneously, the stable experiment of service braking should be carried out respectively under two emergency valves all open or only open three kinds of operating modes of an emergency valve (namely cutting out the emergency valve cut out cock), stabilize when testing and need not tests the piston travel that brake cylinder is sewed closing at a slow speed the cut out cock of inflation position.
(4) braking control system of the present invention is further carried out emergency braking tests, it specifically comprises the steps:
The first step, described single car testing device place the inflation position to inflate;
Second step places the pressurize position with described single car testing device, carries out simultaneously emergency exhaust and air draft commonly used, brake pipe reduce pressure 100kpa and the effect of described control system generation emergency braking.
Need to prove: emergency braking tests should carry out respectively under two emergency valves all open and only open three kinds of operating modes of an emergency valve (namely cutting out emergency exhaust valve cut out cock), need not observe brake-cylinder pressure when 2 end cut out cocks are promptly tested closing.
(5) braking control system of the present invention is accelerated to alleviate test, release valve performance test and lock and transfer test method and the technical requirementss such as device test, the related content that itself and TB/T1492-2002 stipulate is in full accord.
The result to the SQ6 type concave-bottom double-layer carrier special vehicle test of adopting braking control system of the present invention in the below's table, test shows: it is reasonables that SQ6 type concave-bottom double-layer carrier special vehicle adopts the brake system allocation plan of 120-1 lorry air diverter valve (1 main valve, 2 emergency valves), 2 203 * 254mm brake cylinders and 2 ST2-250 type brake clearance automatic regulating apparatuses.
Figure BSA00000472159200071
Figure BSA00000472159200081
BC represents brake-cylinder pressure in the above-mentioned table.In addition, braking control system of the present invention can typically be applied on " SQ6 type concave-bottom double-layer carrier special vehicle " and " the 25m double-layered transport vehicles special vehicle ".
By adopting above-mentioned technical scheme, the invention provides a kind of braking control system that is applicable to have the above brake pipe's of 24m lorry, simultaneously the present invention also provides the method for utilizing single car testing device that this braking control system is tested.
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. railway wagon brake control system, comprise the brake pipe, this brake pipe is communicated with air diverter valve, this air diverter valve and reservoir system connectivity, it is characterized in that, described brake pipe also is communicated with the emergency exhaust valve, described emergency exhaust valve comprises emergency valve intermediate and the emergency valve that is communicated with this emergency valve intermediate, described emergency valve intermediate the is built-in required emergency chamber volume of described emergency valve, described brake pipe is communicated with described emergency valve by described emergency valve intermediate.
2. railway wagon brake control system according to claim 1, it is characterized in that, described emergency valve intermediate comprises matrix, and the lug that is arranged on both sides, matrix top, and be provided be used to the connecting through hole that connects described brake pipe at this matrix, on this matrix, also be provided with the coupling assembling that is communicated with emergency valve simultaneously.
3. railway wagon brake control system according to claim 2 is characterized in that, is respectively arranged with the through hole that at least one is used for fixing whole emergency valve intermediate on the described lug.
4. railway wagon brake control system according to claim 2 is characterized in that, described coupling assembling comprises at least two fixed orifices that are arranged on the described matrix, the corresponding corresponding setting of connecting bore on above-mentioned two fixed orifices and the emergency valve.
5. railway wagon brake control system according to claim 1, it is characterized in that, be provided with Combined dust collector between described brake pipe and the described air diverter valve and between described brake pipe and the described emergency valve intermediate, this Combined dust collector is used for the switching situation of control linkage path and collects simultaneously dust between connected other assembly of described brake pipe.
6. railway wagon brake control system according to claim 1 is characterized in that, described air diverter valve comprises main valve and release valve, the valve intermediate that is connected with described main valve and release valve, and the second emergency valve that is connected with this valve intermediate; Described reservoir system comprises auxiliary reservoir, brake cylinder and accelerates to alleviate reservoir.
7. adopt the test method of railway wagon brake control system as claimed in claim 6, it is characterized in that, test at the bicycle tester, concrete experimental technique comprises: the first step, place the inflation position to fill wind to described braking control system described single car testing device, so that described auxiliary reservoir inflation level pressure; Second step places the pressurize position with single car testing device, makes brake pipe decompression 50kPa, and in described brake pipe is reduced pressure the 50kpa process brake action occurs; In the 3rd step, 60 seconds of pressurize and brake system are not carried out unintended release.
8. test method according to claim 7 is characterized in that, the 4th step, described single car testing device is placed the exhaust position, and continue decompression to 400kpa; The 5th step was arranged on the pressurize position with described single car testing device, after pressure stability, described single car testing device is arranged on charge position, and checks piston position after 90 seconds.
9. adopt the test method of railway wagon brake control system as claimed in claim 6, it is characterized in that, test at the bicycle tester, concrete experimental technique comprises: the first step places the inflation position so that described auxiliary reservoir inflation level pressure with described single car testing device; Second step, after 60 seconds, described brake pipe is decompressed to 450kpa, and then placing the exhaust position to carry out air draft the described single car testing device, described single car testing device places pressurize position and slowly closing air draft and guarantees that the emergency braking effect does not occur brake system behind the described brake pipe decompression 200kpa; In the 3rd step, in 60 seconds of pressurize, check the brake cylinder stroke.
10. adopt the test method such as each described railway wagon brake control system among the claim 1-6, it is characterized in that, test at the bicycle tester, concrete experimental technique comprises: the first step, described single car testing device place the inflation position that control system is inflated; Second step places the pressurize position with described single car testing device, carries out simultaneously emergency exhaust and air draft commonly used, brake pipe reduce pressure 100kpa and the effect of described control system generation emergency braking.
CN 201110091730 2011-04-13 2011-04-13 Railway wagon brake control system and test method thereof Active CN102180159B (en)

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CN102607866A (en) * 2012-04-18 2012-07-25 南车二七车辆有限公司 Electronic readable-type ball for vehicle ball-passage test
CN103439068A (en) * 2013-08-23 2013-12-11 郑州智辆电子科技有限公司 Method for measuring leakage amount of brake cylinder of passenger car
CN104369744A (en) * 2014-12-03 2015-02-25 哈尔滨轨道交通装备有限责任公司 Railway depressed center flat car braking system
CN105841981A (en) * 2016-04-27 2016-08-10 眉山中车制动科技股份有限公司 Electronic control AAR brake system bicycle tester
CN108204900A (en) * 2016-12-20 2018-06-26 本钢板材股份有限公司 A kind of common vehicle braking ability test device
CN106781802A (en) * 2016-12-30 2017-05-31 天津市维科车辆技术有限公司 A kind of Railway Freight Car Repair VR experience systems
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
CN111949011B (en) * 2020-08-31 2022-02-11 中车青岛四方车辆研究所有限公司 Performance test equipment of brake control unit
CN116242641B (en) * 2023-05-11 2023-07-07 眉山中车制动科技股份有限公司 Heavy-duty train test bed

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