CN217980696U - Movable testing device for air tightness of unit brake of subway train - Google Patents
Movable testing device for air tightness of unit brake of subway train Download PDFInfo
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- CN217980696U CN217980696U CN202221305159.0U CN202221305159U CN217980696U CN 217980696 U CN217980696 U CN 217980696U CN 202221305159 U CN202221305159 U CN 202221305159U CN 217980696 U CN217980696 U CN 217980696U
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- unit brake
- subway train
- blow vent
- airtightness
- testing device
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000003860 storage Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 12
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a portable testing arrangement of subway train unit brake gas tightness, a serial communication port, including portable locker and gas holder, the gas holder is located in the portable locker, and is equipped with first blow vent and at least one second blow vent on the gas holder, and first blow vent is connected with one and fills the air valve, and the second blow vent is connected with a test valve, is equipped with pressure sensor on the second blow vent, and pressure sensor locates the output of test valve, and the input of valve is connected to the second blow vent. Compared with the prior art, the utility model discloses a mode of gas holder gas storage and portable platform makes detection achievement become convenient and fast, can detect under the condition of not dismantling unit brake, very big improvement detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of subway train unit brake maintenance and specifically relates to a portable testing arrangement of subway train unit brake gas tightness is related to.
Background
At present, a subway brake device generally adopts a unit brake, the unit brake brakes a train by driving a brake device, and a power source of the unit brake is generally driven by compressed gas. The airtightness of the unit brake is therefore of particular importance.
In the subway maintenance process, the unit brake machine is always required to be maintained, the unit brake machine is required to be integrally detected before maintenance and installation are finished, however, in the prior art, the air tightness of the unit brake machine is generally tested by a special tool, so that transition between a dismounting tool and an air tightness detection tool is required, if the air tightness is not tested, the performance detection of the unit brake machine cannot be achieved, the maintenance process of the unit brake machine is complicated, and the efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable testing arrangement of subway train unit brake gas tightness through the mode of gas holder gas storage and portable platform, makes detection achievement convenient and fast that becomes, can detect under the condition of not dismantling unit brake, very big improvement detection efficiency.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a portable testing arrangement of subway train unit brake gas tightness, a serial communication port, including portable locker and gas holder, the gas holder is located in the portable locker, and is equipped with first blow vent and at least one second blow vent on the gas holder, first blow vent is connected with a charge and discharge valve, the second blow vent is connected with a test valve, be equipped with pressure sensor on the second blow vent, just pressure sensor locates the output of test valve, the input of valve is connected to the second blow vent.
The number of the second air vents is two.
The device also comprises an air distribution block, and the second vent is connected to the input end of the air distribution block through a test valve.
The pressure sensor is a pressure gauge.
The bottom of the movable storage cabinet is provided with universal wheels.
The movable storage cabinet is provided with a handle.
The number of the handles is two.
The movable storage cabinet is internally provided with a platform clapboard which divides the space in the cabinet into an upper layer and a lower layer, and the air storage tank is arranged in the upper layer space.
The upper space of the movable storage cabinet is a hollow cavity.
The first vent and the second vent are respectively positioned at two ends of the gas storage tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through the mode of gas storage of the gas storage tank and the movable platform, the detection work becomes convenient and fast, the detection can be carried out under the condition that the unit brake is not detached, and the detection efficiency is greatly improved.
2. The air distribution block can realize the simultaneous test of a plurality of unit brakes and improve the working efficiency.
3. The air charging and discharging valve can discharge redundant air when not in use, and can also be connected with an air compressor to supplement air when the air pressure is insufficient.
4. The upper space of the movable storage cabinet is a hollowed-out cavity for accommodating the air storage tank, so that the safety can be improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a unit brake;
fig. 3 is a schematic structural diagram of another angle according to the embodiment of the present invention;
wherein: 1. the device comprises a movable storage cabinet, 2, a gas storage tank, 3, a test valve, 4, a charging and discharging valve, 5, a pressure gauge, 6, a gas distribution block, 7 and a service brake gas inlet.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The utility model provides a portable testing arrangement of subway train unit brake gas tightness, as shown in fig. 1 and fig. 3, including portable locker 1 and gas holder 2, gas holder 2 is located in portable locker 1, and is equipped with first blow vent and at least one second blow vent on the gas holder 2, and first blow vent is connected with one and fills air valve 4, and the second blow vent is connected with a test valve 3, is equipped with pressure sensor on the second blow vent, and pressure sensor locates the output of test valve 3, and the input of valve is connected to the second blow vent.
Through the mode of 2 gas storages of gas holder and portable platforms, make the detection achievement become convenient and fast, can detect under the condition of not dismantling unit brake, very big improvement detection efficiency.
The bottom of the movable storage cabinet 1 is provided with universal wheels, the movable storage cabinet is convenient to move, the brake device is arranged on at least one universal wheel, the movable storage cabinet can be positioned, in addition, the handle is arranged on the movable storage cabinet 1, the movable storage cabinet is convenient to drag and lift, the number of the handles can be two, and the movable storage cabinet can be moved more conveniently.
In this embodiment, the pipeline connecting the inflation/deflation valve 4 and the first vent, and the test valve 3 and the second vent is a hard pipe, and in addition, the test valve 3 and the back thereof are also connected with a three-way joint, wherein the pressure sensor is connected to the three-way joint.
In this embodiment, two second vents are provided, which can improve efficiency.
In addition, in this embodiment, the device still includes the branch gas piece 6, and the second vent passes through test valve 3 to be connected to the input of branch gas piece 6, divides gas piece 6 can realize that a plurality of unit brake test simultaneously, improves work efficiency.
In this embodiment, the pressure sensor is a mechanical pressure gauge 5, but in other embodiments, a digital pressure gauge 5 may also be used.
In this embodiment, the movable storage cabinet 1 is provided with a platform partition plate for partitioning the space in the cabinet into an upper space and a lower space, and the air storage tank 2 is disposed in the upper space. The upper space of the movable storage cabinet 1 is a hollowed-out cavity for accommodating the air storage tank 2, and the safety can be improved.
In some embodiments, it is contemplated that weights, or tools, may be placed in the underlying space to lower the height of the center of gravity.
In some embodiments, the first vent and the second vent are respectively located at two ends of the air storage tank 2, so as to avoid the dense pipelines and facilitate the reduction of the volume.
In some other embodiments, an air compressor may be disposed in the lower space, and the air compressor may be connected to the inflation/deflation valve 4 through a hose, so as to conveniently inflate the air storage tank 2.
The unit brake is connected with the output end of the air distribution block 6 of the device or the output end of the three-way connector through the air pipe, the air pressure in the brake is adjusted through the test valve 3, the influence of the field and the train structure is considered, the movable test platform is designed, the on-site maintenance work can be greatly facilitated, and the working strength is reduced.
The specific test process is as follows, mainly adopting the manual mode, after connecting the unit brake as shown in fig. 2 with the output end of the air distribution block 6 or the output end of the three-way connector, opening the test valve 3, inputting the air in the air storage tank 2 into the unit brake, when the pressure gauge 5 displays the value required by the technical parameter, closing the test valve 3, making the system at the moment in a closed state, observing the value change of the pressure gauge 5, judging that the system is qualified if the value change amount of the pressure gauge 5 in unit time meets the technical requirement, otherwise, judging that the system is unqualified. The air pressure in the air cylinder is far higher than the air pressure required by the test, so that the air cylinder can test a plurality of unit brakes without an external air source, and the detection work can be conveniently and quickly finished under the condition that field equipment is limited.
Claims (10)
1. The utility model provides a portable testing arrangement of subway train unit brake gas tightness, a serial communication port, including portable locker and gas holder, the gas holder is located in the portable locker, and is equipped with first blow vent and at least one second blow vent on the gas holder, first blow vent is connected with a charge and discharge valve, the second blow vent is connected with a test valve, be equipped with pressure sensor on the second blow vent, just pressure sensor locates the output of test valve, the input of valve is connected to the second blow vent.
2. The mobile subway train unit brake airtightness testing device according to claim 1, wherein there are two of said second ventilating openings.
3. The mobile subway train unit brake airtightness testing device according to claim 1, wherein said device further comprises an air distribution block, and said second air vent is connected to an input end of said air distribution block through a test valve.
4. The mobile testing device for the airtightness of the unit brake of the subway train as claimed in claim 1, wherein said pressure sensor is a pressure gauge.
5. The mobile subway train unit brake airtightness testing device according to claim 1, wherein universal wheels are provided on the bottom of the mobile storage cabinet.
6. The device for testing the airtightness of the unit brake of the subway train as claimed in claim 1, wherein said movable storage cabinet is provided with a handle.
7. The mobile testing device for the airtightness of the unit brake of a subway train as claimed in claim 6, wherein said handles are provided in two in total.
8. The movable testing device for the airtightness of the unit brake of the subway train as claimed in claim 1, wherein a platform partition plate for dividing the space inside the cabinet into an upper space and a lower space is provided in said movable storage cabinet, and said air storage tank is provided in said upper space.
9. The movable testing device for the airtightness of the unit brake of the subway train as claimed in claim 8, wherein an upper space of said movable cabinet is a hollowed-out cavity.
10. The mobile testing device for the airtightness of the unit brake of a subway train as claimed in claim 1, wherein said first vent and said second vent are respectively located at both ends of said air tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221305159.0U CN217980696U (en) | 2022-05-27 | 2022-05-27 | Movable testing device for air tightness of unit brake of subway train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221305159.0U CN217980696U (en) | 2022-05-27 | 2022-05-27 | Movable testing device for air tightness of unit brake of subway train |
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| Publication Number | Publication Date |
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| CN217980696U true CN217980696U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221305159.0U Active CN217980696U (en) | 2022-05-27 | 2022-05-27 | Movable testing device for air tightness of unit brake of subway train |
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| CN (1) | CN217980696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168717A (en) * | 2022-05-27 | 2023-12-05 | 元壤实业（上海）有限公司 | Movable testing device for air tightness of subway train unit brake |
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2022
- 2022-05-27 CN CN202221305159.0U patent/CN217980696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168717A (en) * | 2022-05-27 | 2023-12-05 | 元壤实业（上海）有限公司 | Movable testing device for air tightness of subway train unit brake |
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