CN219224161U

CN219224161U - Wind pressure simulation device for subway vehicle braking reconnection test

Info

Publication number: CN219224161U
Application number: CN202320714893.0U
Authority: CN
Inventors: 姜航; 于明远; 孙扬
Original assignee: CRRC Changchun Railway Vehicles Co Ltd
Current assignee: CRRC Changchun Railway Vehicles Co Ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-20
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a wind pressure simulation device for a brake reconnection test of a metro vehicle, and relates to the technical field of metros. The subway vehicle braking reconnection test wind pressure simulation device comprises an aluminum frame, wherein a copper wind source pipeline is fixedly connected to the inner wall of the aluminum frame, a ground wind source adapter is fixedly connected to the outer wall of the copper wind source pipeline, a total wind source butterfly-shaped cut-off valve is arranged on the right side of the ground wind source adapter, a pressure reducing valve is arranged on the right side of the total wind source butterfly-shaped cut-off valve, an equalizing air cylinder is fixedly connected to the lower portion of the pressure reducing valve, and a pressure regulating valve is arranged on the right side of the equalizing air cylinder. The test vehicle can completely pass through the device to independently complete the wind pressure simulation test of the braking reconnection test process. In the subway vehicle braking reconnection test process provided in the background art, the brake wind pressure level after reconnection of two subway vehicles cannot be simulated through the test vehicle, so that corresponding functional tests cannot be realized.

Description

Wind pressure simulation device for subway vehicle braking reconnection test

Technical Field

The utility model relates to the technical field of subways, in particular to a wind pressure simulation device for a subway vehicle braking reconnection test.

Background

In the process of a subway vehicle braking reconnection test, the brake wind pressure level of two subway vehicles after reconnection cannot be simulated through the test vehicle, so that corresponding functional tests cannot be realized. The existing test method is that the locomotive or another subway vehicle is connected with the mechanical coupler of the test vehicle, and the locomotive or another subway vehicle changes the pressure of the train pipe wind path to realize the test requirements of different brake wind pressure grade instructions of the test vehicle, so as to complete the corresponding brake reconnection test. In the test process of using a locomotive or another subway vehicle, a series of flow requirements such as reversing, shunting, reporting and planning are required, a plurality of departments work cooperatively, more test staff participate, and the production period is longer. Aiming at the problems, the wind pressure simulation device for the subway vehicle braking reconnection test is designed, and the defects of the original test technology and conditions are overcome.

Disclosure of Invention

The utility model aims to provide a wind pressure simulation device for a metro vehicle braking reconnection test, which solves the technical problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a subway vehicle braking reconnection test wind pressure analogue means, includes aluminium system frame, the inner wall fixedly connected with copper wind regime pipeline of aluminium system frame, the outer wall fixedly connected with ground wind regime adapter of copper wind regime pipeline, the right side of ground wind regime adapter is provided with total wind regime butterfly stop valve, total wind regime butterfly stop valve right side is provided with the relief pressure valve, relief pressure valve below fixedly connected with balanced reservoir, the right side of balanced reservoir is provided with the air-vent valve, one side of air-vent valve is provided with the digital pressure gauge, copper wind regime pipeline is provided with the pressure debugging mouth and is located one side of digital pressure gauge, one side of pressure debugging mouth is provided with application wind regime butterfly stop valve, application wind regime butterfly stop valve right side is subway vehicle wind regime adapter.

Preferably, the ground air source adapter, the metro vehicle air source adapter, the total air source butterfly cut-off valve, the application air source butterfly cut-off valve, the pressure reducing valve, the equalizing reservoir, the pressure regulating valve, the digital pressure gauge and the pressure regulating port are all connected in series on the copper air source pipeline.

Preferably, the ground air source adapter, the metro vehicle air source adapter, the total air source butterfly cut-off valve, the application air source butterfly cut-off valve, the pressure reducing valve, the equalizing reservoir, the pressure regulating valve, the digital pressure gauge, the pressure regulating port and the copper air source pipeline are all installed and fixed on an aluminum frame.

Preferably, a plastic handle is fixedly connected to the outer wall of the top of the aluminum frame.

Compared with the related art, the wind pressure simulation device for the subway vehicle braking reconnection test has the following beneficial effects:

1. the utility model provides a wind pressure simulation device for a brake reconnection test of a metro vehicle, which can be used for independently completing the wind pressure simulation test of the brake reconnection test process through the device. In the subway vehicle braking reconnection test process provided in the background art, the brake wind pressure level after reconnection of two subway vehicles cannot be simulated through the test vehicle, so that corresponding functional tests cannot be realized.

2. A series of flow requirements such as reversing, shunting and reporting plans of subway vehicles are not needed any more due to a brake reconnection test, and the problems that a plurality of departments are required to work cooperatively, a lot of test staff are involved, the production period is long, the production progress is restricted and the like in the prior art are solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of the application of the present utility model.

In the figure: 1. a ground air source adapter; 2. a metro vehicle wind source adapter; 3. a butterfly cut-off valve of the total wind source; 4. applying a wind source butterfly cut-off valve; 5. a pressure reducing valve; 6. equalizing the reservoir; 7. a pressure regulating valve; 8. a digital pressure gauge; 9. a pressure debugging port; 10. copper wind source pipelines; 11. an aluminum frame; 12. a plastic handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a subway vehicle braking reconnection test wind pressure analogue means, including aluminium system frame 11, aluminium system frame 11 simple structure, the material is light, aluminium system frame 11's inner wall fixedly connected with copper wind regime pipeline 10, copper wind regime pipeline 10's outer wall fixedly connected with ground wind regime adapter 1, ground wind regime adapter 1's right side is provided with total wind regime butterfly-shaped stop valve 3, total wind regime butterfly-shaped stop valve 3 right side is provided with relief valve 5, the fixed connection of relief valve 5 below balancing reservoir 6, balancing reservoir 6's right side is provided with air-regulating valve 7, one side of air-regulating valve 7 is provided with digital manometer 8, copper wind regime pipeline 10 is last and lie in one side of digital manometer 8 and be provided with pressure debugging mouth 9, one side of pressure debugging mouth 9 is provided with application wind regime butterfly-shaped stop valve 4, application wind regime butterfly-shaped stop valve 4 right side is subway vehicle wind regime adapter 2, subway vehicle wind regime adapter 2 is the preparation with subway vehicle wind regime interface phase-match.

The ground air source adapter 1, the metro vehicle air source adapter 2, the total air source butterfly cut-off valve 3, the application air source butterfly cut-off valve 4, the pressure reducing valve 5, the equalizing reservoir 6, the pressure regulating valve 7, the digital pressure gauge 8 and the pressure regulating port 9 are all connected in series on the copper air source pipeline 10.

The ground air source adapter 1, the metro vehicle air source adapter 2, the total air source butterfly cut-off valve 3, the application air source butterfly cut-off valve 4, the pressure reducing valve 5, the equalizing reservoir 6, the pressure regulating valve 7, the digital pressure gauge 8, the pressure regulating port 9 and the copper air source pipeline 10 are all installed and fixed on the aluminum frame 11.

Wherein, plastic handle 12 is fixedly connected with the top outer wall of aluminium system frame 11.

In this embodiment, a plastic handle 12 is mounted on top of the aluminum frame 11, the plastic handle 12 being provided to facilitate movement of the device.

Working principle: according to fig. 2, a ground wind source device 100 is connected with a metro vehicle reconnection test wind pressure simulation device 200 through a ground wind source adapter 1 to provide a working wind source for the metro vehicle reconnection test wind pressure simulation device 200, and the metro vehicle reconnection test wind pressure simulation device 200 is connected with a metro vehicle (test vehicle) 300 through a metro vehicle wind source adapter 2 to provide a brake wind pressure level required for a test for the metro vehicle (test vehicle) 300 to complete a corresponding test.

Referring to fig. 1, the working principle and the use flow of a wind pressure simulation device 200 for a tandem test of a metro vehicle are described, firstly, a worker is connected with a ground wind source device 100 through a ground wind source adapter 1, and the ground wind source adapter 1 is manufactured by matching with the ground wind source device 100 of a working site. After the connection is fastened, the butterfly cut-off valve 3 of the total wind source is placed at a conducting position (the parallel to a pipeline is a conducting position), the wind source reaches the pressure reducing valve 5 through the copper wind source pipeline 10 (the pressure reducing valve 5 is used for controlling the wind source pressure to be less than or equal to 6 bar), the wind source reaches the equalizing air cylinder 6 after being reduced by the pressure reducing valve 5 (the equalizing air cylinder 6 is used for relieving the impact of the wind source and stabilizing the pressure of the wind source), the wind source reaches the pressure regulating valve 7 after passing through the equalizing air cylinder 6 (the pressure regulating valve 7 is used for regulating the braking pressure level required by the test and is used together with the digital pressure meter 8), the wind source is used together with the digital pressure meter 8 through the pressure regulating valve 7 to regulate the braking pressure level required by the test, after the regulated wind source passes through the pressure debugging port 9 (the function of the pressure debugging port 9 is that after the test is finished, all wind between devices and pipelines is emptied after the total wind source butterfly cut-off valve 3 is cut off and the device and pipelines are cut off by the application wind source butterfly cut-off valve 4, the debugging port can be connected with a digital wind meter to perform numerical check and other functions with the digital pressure meter 8, the wind source reaches the application wind source butterfly cut-off valve 4, and after the application wind source butterfly cut-off valve 4 is placed in a conducting position, the pressure wind source passes through the metro vehicle wind source adapter 2 (the metro vehicle wind source adapter 2 is manufactured by matching with a metro vehicle wind source interface) according to the brake grade required by the test, and the metro vehicle (test vehicle) 300 is provided with the brake wind pressure grade required by the test to complete the corresponding test. The total wind source butterfly cut-off valve 3, the applied wind source butterfly cut-off valve 4, the pressure reducing valve 5, the pressure regulating valve 7 of the equalizing cylinder 6, the digital pressure gauge 8, the pressure regulating port 9 and the copper wind source pipeline 10 are all installed and fixed on an aluminum frame 11 (the aluminum frame 11 has a simple structure and light materials), a plastic lifting handle 12 is installed at the top end of the aluminum frame 11, and the plastic lifting handle 12 is set for conveniently moving the device.

Claims

1. The utility model provides a subway vehicle braking reconnection test wind pressure analogue means, includes aluminium system frame (11), its characterized in that: the utility model discloses a subway vehicle wind regime adapter, including aluminium system frame (11), inner wall fixedly connected with copper wind regime pipeline (10) of aluminium system frame (11), outer wall fixedly connected with ground wind regime adapter (1) of copper wind regime pipeline (10), the right side of ground wind regime adapter (1) is provided with total wind regime butterfly stop valve (3), total wind regime butterfly stop valve (3) right side is provided with relief pressure valve (5), relief pressure valve (5) below fixedly connected with balanced reservoir (6), the right side of balanced reservoir (6) is provided with air-vent valve (7), one side of air-vent valve (7) is provided with digital manometer (8), one side that just is located digital manometer (8) on copper wind regime pipeline (10) is provided with pressure debugging mouth (9), one side of pressure debugging mouth (9) is provided with application wind regime butterfly stop valve (4), application wind regime butterfly stop valve (4) right side is subway vehicle wind regime adapter (2).

2. The metro vehicle braking reconnection test wind pressure simulation device according to claim 1, wherein: the ground wind source adapter (1), the metro vehicle wind source adapter (2), the total wind source butterfly cut-off valve (3), the application wind source butterfly cut-off valve (4), the pressure reducing valve (5), the balancing reservoir (6), the pressure regulating valve (7), the digital pressure gauge (8) and the pressure debugging port (9) are all connected in series on the copper wind source pipeline (10).

3. The metro vehicle braking reconnection test wind pressure simulation device according to claim 1, wherein: the ground wind source adapter (1), the metro vehicle wind source adapter (2), the total wind source butterfly cut-off valve (3), the application wind source butterfly cut-off valve (4), the pressure reducing valve (5), the balancing reservoir (6), the pressure regulating valve (7), the digital pressure gauge (8), the pressure debugging port (9) and the copper wind source pipeline (10) are all installed and fixed on the aluminum frame (11).

4. The metro vehicle braking reconnection test wind pressure simulation device according to claim 1, wherein: the plastic lifting handle (12) is fixedly connected to the outer wall of the top of the aluminum frame (11).