CN108801663B - Vehicle brake tester and brake test method - Google Patents
Vehicle brake tester and brake test method Download PDFInfo
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- CN108801663B CN108801663B CN201810945627.2A CN201810945627A CN108801663B CN 108801663 B CN108801663 B CN 108801663B CN 201810945627 A CN201810945627 A CN 201810945627A CN 108801663 B CN108801663 B CN 108801663B
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- 238000010998 test method Methods 0.000 title claims description 8
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 230000003137 locomotive effect Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000004907 flux Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses a vehicle brake tester which is connected between a locomotive and a vehicle to be tested or an adjacent vehicle to be tested, wherein connector bodies at two ends of the vehicle brake tester are respectively connected with hose connectors of corresponding vehicles to form a main gas path, the vehicle brake tester comprises a mounting plate and a pneumatic element, the pneumatic element comprises a handle valve, an inflation valve, a fast exhaust control valve, a slow exhaust control valve, and a fast exhaust manual valve and a slow exhaust manual valve which are respectively and correspondingly connected with the fast exhaust control valve and the slow exhaust control valve, and a train pipe of the vehicle to be tested is respectively connected with the fast exhaust control valve and the slow exhaust control valve to form a main gas path, and the inflation or the exhaust of the train pipe of the vehicle to be tested is controlled through the handle valve, the fast exhaust manual valve and the slow exhaust manual valve. The invention can enable the grouped vehicles to release or apply the braking, and judge the position of the fault vehicle by judging whether the emergency braking occurs in the test of applying the braking of the grouped vehicles in the test process, thereby realizing the purpose of quickly finding out the unexpected emergency braking fault vehicle.
Description
Technical Field
The invention belongs to the technical field of railway vehicle brake test equipment, and particularly relates to a vehicle brake tester and a brake test method.
Background
When the unexpected emergency braking fault occurs in the train in the running process, the whole train can not work normally, and how to find out the unexpected emergency braking fault vehicle in a plurality of vehicles quickly and conveniently is the key point of the current railway vehicle braking detection research.
Disclosure of Invention
The invention aims at: in order to solve the problems, a vehicle brake tester and a brake test method capable of quickly finding out an unexpected emergency brake failure vehicle are provided.
The technical scheme of the invention is realized as follows: a vehicle brake tester, characterized by: the vehicle brake tester is connected between a locomotive and a to-be-tested marshalled vehicle or an adjacent to-be-tested marshalled vehicle, connector bodies at two ends of the vehicle brake tester are respectively connected with hose connectors of the corresponding vehicles to form a main gas path, a gas inlet end of the vehicle brake tester is connected with a train pipe at one side of the locomotive, a gas outlet end of the vehicle brake tester is connected with the to-be-tested marshalled vehicle, the vehicle brake tester comprises a mounting plate and pneumatic elements integrally mounted on the mounting plate, each pneumatic element comprises a handle valve, an inflation valve, a fast exhaust control valve, a slow exhaust control valve, and a fast exhaust manual valve and a slow exhaust manual valve which are respectively and correspondingly connected with the fast exhaust control valve and the slow exhaust control valve, and a train pipe of the to-be-tested marshalled vehicle is respectively connected with the fast exhaust control valve, the slow exhaust control valve and the inflation valve to form the main gas path, and the train pipe of the to-be-tested marshalled vehicle is inflated or exhausted through the handle valve, the fast exhaust manual valve and the slow exhaust manual valve.
The invention relates to a vehicle brake tester, which is characterized in that pressure gauges are respectively arranged on a pipeline connected with a train pipe on one side of a locomotive and a pipeline connected with a train pipe of a vehicle to be tested.
The connector body at one end of the vehicle brake tester is connected with one interface of a four-way connector through a movable joint, the other two interfaces of the four-way connector are respectively connected with a fast exhaust control valve and a slow exhaust control valve through movable joints, the fast exhaust control valve and the slow exhaust control valve are respectively connected with corresponding exhaust throttle valves, the last interface of the four-way connector is connected with an inflation valve through the movable joint, and the inflation valve is connected with the connector body at the other end of the vehicle brake tester through the movable joint.
The vehicle brake tester also comprises a box body, wherein the box body and the mounting plate are connected together to form a mounting space for accommodating the pneumatic components.
The vehicle brake tester is characterized in that handles are symmetrically arranged on the outer side surface of the mounting plate.
A brake test method adopting the vehicle brake tester is characterized in that: the method comprises the steps of carrying out marshalling on a plurality of to-be-tested marshalling vehicles to be tested, and connecting a train pipe of the to-be-tested marshalling vehicles with a train pipe on one side of a locomotive through a vehicle brake tester;
the handle valve of the vehicle brake tester is provided with three positions for respectively controlling the release, the brake and the pressure maintaining of the train pipe of the vehicle to be grouped; when the handle valve is in the relieving position, the inflation valve is controlled to communicate a main gas path between the train pipe and the train pipe of the vehicle to be grouped, so that the train pipe inflates the train pipe of the vehicle to be grouped; when the pressure is maintained at the handle valve, all pneumatic control valves have no air pressure; when the handle valve is in a braking position, if the fast exhaust manual valve is opened, the fast exhaust manual valve is used for exhausting, if the slow exhaust manual valve is opened, the slow exhaust manual valve is used for exhausting, and if the fast exhaust manual valve and the slow exhaust manual valve are both opened, the fast exhaust manual valve and the slow exhaust manual valve are used for exhausting simultaneously; rapidly finding out an unexpected emergency braking fault vehicle through a test of the service braking of the tested marshalled vehicle;
if the service brake tests of the tested vehicle in the group are all normal, the test of the next vehicle is carried out, if the tested vehicle in the group has emergency brake when the service brake happens, the vehicle in the group has fault, if the specific vehicle cannot be accurately judged, the brake test is carried out again after the number of the tested vehicles in the group is reduced, until the unexpected emergency brake fault vehicle is found.
According to the brake test method of the vehicle brake tester, when the vehicle brake tester is debugged, the exhaust flux can be adjusted through the exhaust throttle valve, and once the debugging is finished, the exhaust throttle valve does not need to be adjusted.
The invention can enable the grouped vehicles to release or apply the braking, and judge the position of the fault vehicle by judging whether the emergency braking occurs in the test of the application braking of the grouped vehicles in the test process, thereby realizing the purpose of quickly finding out the unexpected emergency fault vehicle.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the arrangement of the pneumatic components of the present invention on a mounting plate.
Fig. 3 is a schematic diagram of the pneumatic control of the present invention.
Fig. 4 is a schematic view of the use state of the present invention.
The marks in the figure: the vehicle brake tester comprises a locomotive 1, a tested marshalling vehicle 2, a connector body 3, a hose connector 4, a mounting plate 5, a handle valve 6, an inflation valve 7, a quick exhaust control valve 8, a slow exhaust control valve 9, a quick exhaust manual control valve 10, a slow exhaust manual control valve 11, a pressure gauge 12, a four-way joint 13, an exhaust throttle valve 14, a handle 15 and a vehicle brake tester 16.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and 4, the vehicle brake tester is connected between a locomotive 1 and a to-be-tested marshalled vehicle 2 or an adjacent to-be-tested marshalled vehicle 2, connector bodies 3 at two ends of the vehicle brake tester are respectively connected with hose connectors 4 of corresponding vehicles to form a main gas path, one of the connector bodies is an air inlet, the other connector body is an air outlet, the air inlet end of the vehicle brake tester is connected with a train pipe at one side of the locomotive 1, the air outlet end of the vehicle brake tester is connected with the to-be-tested marshalled vehicle 2, the vehicle brake tester comprises a mounting plate 5 and a pneumatic element integrally mounted on the mounting plate 5, the pneumatic element comprises a handle valve 6, an inflation valve 7, a fast exhaust manual valve 10 and a slow exhaust manual valve 9, and a fast exhaust manual valve 10 and a slow exhaust manual valve 11 which are respectively connected with the fast exhaust manual valve 8 and the slow exhaust manual valve 9, the train pipe of the to-be-tested marshalled vehicle 2 is respectively connected with the fast exhaust manual valve 8, the slow exhaust manual valve 9 and the inflation valve 7 to form a main gas path, and the train pipe, and the air path is relieved when the handle valve 6, the fast exhaust manual valve 10 and the slow exhaust manual valve 11 and the air valve 7 form the air path to the three-way position of the vehicle brake tester, and the vehicle brake tester is fully brakes to the position when the handle valve is in which has a pressure maintaining position and the handle position to the vehicle brake valve and has a pressure maintaining position; pressure gauges 12 are provided on the pipes connecting the train pipes and the pipes connecting the train pipes of the subject marshalling vehicles 2, respectively.
As shown in fig. 2, the connector body 3 at one end of the vehicle brake tester is connected with one interface of the four-way joint 13 through a movable joint, the other two interfaces of the four-way joint 13 are respectively connected with the fast exhaust control valve 8 and the slow exhaust control valve 9 through movable joints, the fast exhaust control valve 8 and the slow exhaust control valve 9 are respectively connected with the corresponding exhaust throttle valves 14, the last interface of the four-way joint 13 is connected with the inflation valve 7 through movable joints, and the inflation valve 7 is connected with the connector body 3 at the other end of the vehicle brake tester through movable joints. The vehicle brake tester further comprises a box body, wherein the mounting plate and the box body are made of aluminum alloy, the box body is connected with the mounting plate 5 to form a mounting space for accommodating pneumatic elements, and handles 15 are symmetrically arranged on the outer side face of the mounting plate 5.
In this embodiment, all pneumatic elements are integrated to be installed and arranged on the mounting plate, and main gas circuit has passed through running joint threaded connection, because vehicle brake tester volume can not be too big, consequently pneumatic elements closely arranges, and control gas circuit passes through hose connection, in order to protect the hose, can cover a polymer material protective sheath protection trachea outside the hose circumference. In addition, considering actual use condition and pneumatic element selection, pneumatic control is selected, and because the vehicle brake tester needs to meet the requirements of different marshalling vehicle tests, two exhaust gas paths are provided, namely one fast exhaust gas path (high flow) and one slow exhaust gas path (low flow), and the whole gas path adopts the design concept of a main gas path and a control gas path.
A brake test method adopting the vehicle brake tester specifically comprises the following steps: and the vehicle to be tested is grouped, and a train pipe of the vehicle to be tested in the group is connected with a train pipe on one side of the locomotive through a vehicle brake tester.
The handle valve of the vehicle brake tester is provided with three positions for respectively controlling the release, the brake and the pressure maintaining of the train pipe of the vehicle to be grouped; when the handle valve is in the relieving position, the inflation valve is controlled to communicate a main gas path between the train pipe at one side of the locomotive and the train pipe of the train of the to-be-grouped vehicle, so that the train pipe at one side of the locomotive inflates the train pipe of the to-be-grouped vehicle; when the pressure is maintained at the handle valve, all pneumatic control valves have no air pressure; when the handle valve is in a braking position, if the fast exhaust manual valve is opened, the fast exhaust manual valve is used for exhausting, if the slow exhaust manual valve is opened, the slow exhaust manual valve is used for exhausting, if the fast exhaust manual valve and the slow exhaust manual valve are both opened, the fast exhaust manual valve and the slow exhaust manual valve are used for exhausting simultaneously, and independent exhaust or parallel exhaust is selected, so that the device is suitable for the test requirements of different marshalling vehicles; by testing the service brakes of the tested marshalled vehicles, the unexpected emergency braking fault vehicle is quickly found out.
If the service brake tests of the tested vehicle in the group are all normal, the test of the next vehicle is carried out, if the tested vehicle in the group has emergency brake when the service brake happens, the vehicle in the group has fault, if the specific vehicle cannot be accurately judged, the brake test is carried out again after the number of the tested vehicles in the group is reduced, until the unexpected emergency brake fault vehicle is found.
When the vehicle brake tester is debugged, the exhaust flux can be adjusted through the exhaust throttle valve, and once the vehicle brake tester is debugged, the exhaust throttle valve does not need to be adjusted.
The vehicle brake tester disclosed by the invention is light in weight, small, convenient to operate and carry, low in labor intensity, and capable of being combined and selectively used in an exhaust gas path, and is suitable for different marshalling tests of trains, wherein the main gas path is connected by adopting a movable joint, so that the connectors on two sides can reach the required direction position, the connection with a vehicle hose connector is convenient in test, the main pipeline connection of the vehicle brake tester adopts end face sealing, the performance is stable and excellent, the reliability of product use is greatly improved, in addition, the vehicle brake tester adopts a pneumatic control mode, a power supply is not required, the vehicle brake tester is suitable for use in multiple occasions, and the exhaust flux is regulated by adopting an exhaust throttle valve instead of shrinkage blocking, so that the tester is convenient to debug.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A vehicle brake tester, characterized by: the vehicle brake tester is connected between a locomotive (1) and a to-be-tested marshalled vehicle (2) or an adjacent to-be-tested marshalled vehicle (2), connector bodies (3) at two ends of the vehicle brake tester are respectively connected with hose connectors (4) of corresponding vehicles to form a main gas path, the gas inlet end of the vehicle brake tester is connected with a train pipe at one side of the locomotive (1), the gas outlet end of the vehicle brake tester is connected with the to-be-tested marshalled vehicle (2), the vehicle brake tester comprises a mounting plate (5) and a pneumatic element integrally mounted on the mounting plate (5), the pneumatic element comprises a handle valve (6), an inflation valve (7), a fast exhaust control valve (8), a slow exhaust control valve (9) and a fast exhaust manual valve (10) and a slow exhaust manual valve (11) which are respectively connected with the fast exhaust control valve (8) and the slow exhaust control valve (9), and the train pipe of the to-be-tested marshalled vehicle (2) is respectively connected with the fast exhaust control valve (8), the slow exhaust control valve (9) and the valve (7) to form a main gas path, and the air path of the to-be-tested marshalled vehicle (2) through the inflation valve (6) and the fast exhaust manual valve (10 and the slow exhaust manual valve (11);
the connector body (3) of vehicle braking tester one end passes through the union and is connected with an interface of cross connection (13), two other interfaces of cross connection (13) are connected with quick exhaust accuse valve (8) and slow exhaust accuse valve (9) respectively through the union, quick exhaust accuse valve (8) and slow exhaust accuse valve (9) are connected with corresponding exhaust throttle valve (14) respectively, the last interface of cross connection (13) is connected with charging valve (7) through the union, charging valve (7) are connected with connector body (3) of vehicle braking tester other end through the union.
2. The vehicle brake tester according to claim 1, wherein: pressure gauges (12) are respectively arranged on pipelines connected with train pipes on one side of the locomotive and pipelines connected with train pipes of the tested marshalling vehicles (2).
3. The vehicle brake tester according to claim 1, wherein: the vehicle brake tester also comprises a box body, wherein the box body and the mounting plate (5) are connected together to form a mounting space for accommodating the pneumatic components.
4. The vehicle brake tester according to claim 1, wherein: handles (15) are symmetrically arranged on the outer side surface of the mounting plate (5).
5. A brake test method employing the vehicle brake tester according to any one of claims 1 to 4, characterized in that: the method comprises the steps of carrying out marshalling on a plurality of to-be-tested marshalling vehicles to be tested, and connecting a train pipe of the to-be-tested marshalling vehicles with a train pipe on one side of a locomotive through a vehicle brake tester;
the handle valve of the vehicle brake tester is provided with three positions for respectively controlling the release, the brake and the pressure maintaining of the train pipe of the vehicle to be grouped; when the handle valve is in the relieving position, the inflation valve is controlled to communicate a main gas path between the train pipe and the train pipe of the vehicle to be grouped, so that the train pipe inflates the train pipe of the vehicle to be grouped; when the pressure is maintained at the handle valve, all pneumatic control valves have no air pressure; when the handle valve is in a braking position, if the fast exhaust manual valve is opened, the fast exhaust manual valve is used for exhausting, if the slow exhaust manual valve is opened, the slow exhaust manual valve is used for exhausting, and if the fast exhaust manual valve and the slow exhaust manual valve are both opened, the fast exhaust manual valve and the slow exhaust manual valve are used for exhausting simultaneously; rapidly finding out an unexpected emergency braking fault vehicle through a test of the service braking of the tested marshalled vehicle; if the service brake tests of the tested vehicle in the group are all normal, the test of the next vehicle is carried out, if the tested vehicle in the group has emergency brake when the service brake happens, the vehicle in the group has fault, if the specific vehicle cannot be accurately judged, the brake test is carried out again after the number of the tested vehicles in the group is reduced, until the unexpected emergency brake fault vehicle is found.
6. The brake testing method of a vehicle brake tester according to claim 5, wherein: when the vehicle brake tester is debugged, the exhaust flux can be adjusted through the exhaust throttle valve, and once the vehicle brake tester is debugged, the exhaust throttle valve does not need to be adjusted.
Priority Applications (1)
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CN201810945627.2A CN108801663B (en) | 2018-08-20 | 2018-08-20 | Vehicle brake tester and brake test method |
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CN201810945627.2A CN108801663B (en) | 2018-08-20 | 2018-08-20 | Vehicle brake tester and brake test method |
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CN108801663A CN108801663A (en) | 2018-11-13 |
CN108801663B true CN108801663B (en) | 2023-11-14 |
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Families Citing this family (2)
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CN111824200B (en) * | 2020-07-30 | 2021-10-29 | 中车大同电力机车有限公司 | Railway train end hose function conversion device and railway train |
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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