CN214471609U - Portable air-tight test device for air pipeline of railway locomotive - Google Patents
Portable air-tight test device for air pipeline of railway locomotive Download PDFInfo
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- CN214471609U CN214471609U CN202120659688.XU CN202120659688U CN214471609U CN 214471609 U CN214471609 U CN 214471609U CN 202120659688 U CN202120659688 U CN 202120659688U CN 214471609 U CN214471609 U CN 214471609U
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Abstract
The utility model provides a portable air tightness test device for an air pipeline of a railway locomotive, which comprises an air-vent valve, a first pressure gauge, a second pressure gauge, a first cut-off cock, a second cut-off cock, a multi-way joint and an air pipeline joint; the input end of the pressure regulating valve is connected with an external air source, and the first pressure gauge is connected with the pressure regulating valve; the first end of the first cutoff cock is connected with the output end of the pressure regulating valve, and the second end of the first cutoff cock is connected with the first interface of the multi-way joint; the second pressure gauge is connected with a second interface of the multi-way connector; the air pipeline joint is connected with a third interface of the multi-way joint; the second cut-off cock is connected with a fourth interface of the multi-way connector; the air pipeline joint is used for connecting an air pipeline needing to be subjected to an air tightness test. The utility model discloses beneficial effect: the utility model provides a portable railway locomotive air pipeline gas tightness test device leads to the joint more and can dismantle with air pipeline and connect and be connected, is convenient for change different air pipeline according to concrete use scene and connects the commonality that improves this device.
Description
Technical Field
The utility model belongs to railway locomotive overhauls the test device field, especially relates to a portable railway locomotive air pipeline gas tightness test device.
Background
In the field of locomotive maintenance, an air-tightness test of an air pipeline is the most effective method for testing whether the assembly of the air pipeline is qualified, the stability of the performance of the pipeline is directly related to the reliability of an air brake system of a locomotive and directly related to the driving safety of the locomotive, so that the air-tightness test process and the quality control of the air pipeline are particularly important, and a device for performing the air-tightness test on the air pipeline of the railway locomotive is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a portable railway locomotive air pipeline gas tightness test device to overcome not enough among the prior art, provide a laborsaving, convenient, be suitable for wide, the air pipeline gas tightness test device that the cost is low.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a portable air tightness test device for an air pipeline of a railway locomotive comprises a pressure regulating valve, a first pressure gauge, a second pressure gauge, a first cut-off cock, a second cut-off cock, a multi-way joint and an air pipeline joint;
the input end of the pressure regulating valve is connected with an external air source, and the first pressure gauge is connected with the pressure regulating valve;
the first end of the first cutoff cock is connected with the output end of the pressure regulating valve, and the second end of the first cutoff cock is connected with the first interface of the multi-way joint;
the second pressure gauge is connected with a second interface of the multi-way connector;
the air pipeline joint is connected with a third interface of the multi-way joint;
the second cut-off cock is connected with a fourth interface of the multi-way connector;
the air pipeline joint is used for connecting an air pipeline needing to be subjected to an air tightness test.
Furthermore, the air source device also comprises a filter, the filter is connected with the input end of the pressure regulating valve, and an external air source is input into the pressure regulating valve through the filter.
Furthermore, the first pressure gauge is a mechanical pressure gauge, the measuring range of the mechanical pressure gauge is 0-1.5Mpa, and the precision is 10 kpa.
Furthermore, the second pressure gauge is an electronic digital display pressure gauge, and the precision is 0.001 kpa.
Furthermore, one end of the second cut-off cock is connected with a fourth interface of the multi-way connector and used for discharging gas in the pipeline.
Furthermore, a connecting pipe is also arranged, and interfaces are arranged at two ends of the connecting pipe;
the output end of the pressure regulating valve is detachably connected with the first end of the first cut-off cock through a connecting pipe;
the second end of the first cutoff cock is detachably connected with the first interface of the multi-way joint through a connecting pipe;
the second interface of the multi-way joint is detachably connected with a second pressure gauge through a connecting pipe;
the third interface of the multi-way joint is detachably connected with the air pipeline joint through a connecting pipe;
the fourth interface of the multi-way joint is detachably connected with the second cut-off cock through a connecting pipe.
Further, the connecting pipe is a steel pipe with joints at two ends.
Furthermore, a connecting pipe is arranged between the filter and the pressure regulating valve, and two ends of the connecting pipe are detachably connected with the filter and the pressure regulating valve respectively.
Compared with the prior art, a portable railway locomotive air pipeline gas tightness test device have following beneficial effect:
(1) the multi-way connector of the portable air pipeline air tightness test device for the railway locomotive is detachably connected with the air pipeline connector, so that different air pipeline connectors can be replaced according to specific use scenes, and the universality of the device is improved;
(2) the parts of the portable air pipeline air tightness test device for the railway locomotive are detachably connected through the connecting pipe, and when the portable air pipeline air tightness test device is not used, the parts can be detached, so that the portable air pipeline air tightness test device is convenient to transport and carry and can be spliced when in use;
(3) the utility model discloses a portable railway locomotive air pipeline air tightness test device is applicable to the air tightness test of the air pipeline at each position of the locomotive by changing different interfaces;
(4) the portable air pipeline air tightness test device for the railway locomotive, which is disclosed by the utility model, uses two pressure gauges, can form complementation, and avoids the quality problem caused by the faults of the pressure gauges;
(5) the utility model discloses a portable railway locomotive air pipeline gas tightness test device realizes the break-make of gas circuit through two shutoff cock, and one of them controls the wind regime air feed, installs the ball valve between air-vent valve and electronic digital display meter, reduces the quantity of frock part at the air pipeline end, reduces because the frock part leaks and causes the unqualified probability of gas tightness test, and another control air pipeline's pressure release;
(6) a portable railway locomotive air pipeline air tightness test device each part is connected with short steel pipe, whole device length shortens, and it is convenient to carry safely.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic view of a gas tightness testing device according to an embodiment of the present invention;
fig. 2 is a schematic view of an air-tightness testing device according to an embodiment of the present invention.
Description of reference numerals:
1-a filter; 2-pressure regulating valve; 3-a first pressure gauge; 4-first shut-off cock; 5-a second pressure gauge; 6-air line connection; 7-a second intercepting cock; 8-a multipass joint; 9-connecting pipe.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A portable air tightness test device for an air pipeline of a railway locomotive comprises a pressure regulating valve 2, a first pressure gauge 3, a second pressure gauge 5, a first cut-off cock 4, a second cut-off cock 7, a multi-way joint 8 and an air pipeline joint 6;
the input end of the pressure regulating valve 2 is connected with an external air source, and the first pressure gauge 3 is connected with the pressure regulating valve 2;
the first end of the first cut-off cock 4 is connected with the output end of the pressure regulating valve 2, and the second end is connected with the first interface of the multi-way joint 8;
the second pressure gauge 5 is connected with a second interface of the multi-way joint 8;
the air pipeline joint 6 is connected with a third interface of the multi-way joint 8;
the second cut-off cock 7 is connected with a fourth interface of the multi-way joint 8;
the air pipeline joint 6 is used for connecting an air pipeline needing to be subjected to an air tightness test.
The air pressure regulating valve further comprises a filter 1, the filter 1 is connected to the input end of the pressure regulating valve 2, and an external air source is input into the pressure regulating valve 2 through the filter 1.
The first pressure gauge 3 is a mechanical pressure gauge, the measuring range of the mechanical pressure gauge is 0-1.5Mpa, and the precision is 10 kpa.
The second pressure gauge 5 is an electronic digital display pressure gauge with the precision of 0.001 kpa.
One end of the second cut-off cock 7 is connected with a fourth interface of the multi-way joint 8 and used for discharging gas in the pipeline.
The device is also provided with a connecting pipe 9, and two ends of the connecting pipe 9 are provided with interfaces;
the output end of the pressure regulating valve 2 is detachably connected with the first end of the first cut-off cock 4 through a connecting pipe 9;
the second end of the first cut-off cock 4 is detachably connected with the first interface of the multi-way joint 8 through a connecting pipe 9;
a second interface of the multi-way joint 8 is detachably connected with a second pressure gauge 5 through a connecting pipe 9;
the third interface of the multi-way joint 8 is detachably connected with the air pipeline joint 6 through a connecting pipe 9;
the fourth interface of the multi-way joint 8 is detachably connected with the second cut-off cock 7 through a connecting pipe 9.
The connection pipe 9 is a steel pipe having joints at both ends.
A connecting pipe 9 is further arranged between the filter 1 and the pressure regulating valve 2, and two ends of the connecting pipe 9 are detachably connected with the filter 1 and the pressure regulating valve 2 respectively.
For the pressure regulating valve 2 with the pressure gauge, the first pressure gauge 3 does not need to be additionally arranged, whether the filter 1 is used or not is selected according to the use environment and the use requirement, and in order to improve the portability, the pressure regulating valve 2 with the function of the filter 1 can be selected;
in the using process, the first cut-off cock 4 and the second cut-off cock 7 are closed, the filter 1 is connected to an air source or a nitrogen cylinder through a hose, and the air source is opened;
the multi-way joint 8 is connected with the air pipeline joint 6 needing to be pressed, the multi-way joint 8 is detachably connected with the air pipeline joint 6, so that different air pipeline joints 6 can be replaced according to specific use scenes, the universality of the device is improved, and then the pressure regulating valve 2 is regulated to a specified pressure value; opening the first stop cock 4, and inflating the air pipeline until the pressure is stable; after the pressure is stable, closing the first stop cock 4, and maintaining the pressure of the air pipeline according to the requirement; after the pressure maintaining is qualified, opening a second cut-off cock 7, releasing the pressure of the air pipeline, and then detaching the air tightness test device;
it should be noted that the components of the device are connected by the connecting pipe 9, preferably, the connecting pipe 9 is a steel pipe with joints at two ends, and the selected connecting pipe 9 has the following requirements: after ventilating in the pipeline, the pipe wall of pipeline can not take place deformation, because the pipe wall in case takes place deformation, will cause the influence to the measuring result, consequently the preferred steel pipe that adopts the stereoplasm is as connecting pipe 9, can dismantle the connection through connecting pipe 9 between each part simultaneously, and the transportation of being convenient for is carried, can dismantle each part when not using, during the use again splice can, the interface part of connecting pipe 9 is provided with seal structure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a portable railway locomotive air pipeline gas tightness test device which characterized in that: the device comprises a pressure regulating valve (2), a first pressure gauge (3), a second pressure gauge (5), a first cut-off cock (4), a second cut-off cock (7), a multi-way joint (8) and an air pipeline joint (6);
the input end of the pressure regulating valve (2) is connected with an external air source, and the first pressure gauge (3) is connected with the pressure regulating valve (2);
the first end of the first cut-off cock (4) is connected with the output end of the pressure regulating valve (2), and the second end of the first cut-off cock is connected with the first interface of the multi-way joint (8);
the second pressure gauge (5) is connected with a second interface of the multi-way joint (8);
the air pipeline joint (6) is connected with a third interface of the multi-way joint (8);
the second cut-off cock (7) is connected with a fourth interface of the multi-way joint (8);
the air pipeline joint (6) is used for connecting an air pipeline needing an air tightness test.
2. The portable railroad locomotive air line tightness testing device according to claim 1, wherein: the air source pressure regulating device is characterized by further comprising a filter (1), wherein the filter (1) is connected to the input end of the pressure regulating valve (2), and an external air source is input into the pressure regulating valve (2) through the filter (1).
3. The portable railroad locomotive air line tightness testing device according to claim 1, wherein: the first pressure gauge (3) is a mechanical pressure gauge, the measuring range of the mechanical pressure gauge is 0-1.5Mpa, and the precision is 10 kpa.
4. The portable railroad locomotive air line tightness testing device according to claim 1, wherein: the second pressure gauge (5) is an electronic digital display pressure gauge with the precision of 0.001 kpa.
5. The portable railroad locomotive air line tightness testing device according to claim 1, wherein: one end of the second cut-off cock (7) is connected with a fourth interface of the multi-way joint (8) and used for discharging gas in the pipeline.
6. The portable railroad locomotive air line tightness testing device according to claim 1, wherein: the connecting pipe (9) is also arranged, and interfaces are arranged at two ends of the connecting pipe (9);
the output end of the pressure regulating valve (2) is detachably connected with the first end of the first cut-off cock (4) through a connecting pipe (9); the second end of the first cut-off cock (4) is detachably connected with the first interface of the multi-way joint (8) through a connecting pipe (9);
a second interface of the multi-way joint (8) is detachably connected with a second pressure gauge (5) through a connecting pipe (9);
the third interface of the multi-way joint (8) is detachably connected with the air pipeline joint (6) through a connecting pipe (9);
the fourth interface of the multi-way joint (8) is detachably connected with the second cut-off cock (7) through a connecting pipe (9).
7. The portable railroad locomotive air line tightness testing device according to claim 5, wherein: the connecting pipe (9) is a steel pipe with joints at two ends.
8. The portable railroad locomotive air line tightness testing device according to claim 2, wherein: a connecting pipe (9) is further arranged between the filter (1) and the pressure regulating valve (2), and two ends of the connecting pipe (9) are respectively detachably connected with the filter (1) and the pressure regulating valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659688.XU CN214471609U (en) | 2021-03-31 | 2021-03-31 | Portable air-tight test device for air pipeline of railway locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659688.XU CN214471609U (en) | 2021-03-31 | 2021-03-31 | Portable air-tight test device for air pipeline of railway locomotive |
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| Publication Number | Publication Date |
|---|---|
| CN214471609U true CN214471609U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120659688.XU Active CN214471609U (en) | 2021-03-31 | 2021-03-31 | Portable air-tight test device for air pipeline of railway locomotive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307061A (en) * | 2022-08-18 | 2022-11-08 | 中车大同电力机车有限公司 | Gas circulation device and method for gas tightness test |
-
2021
- 2021-03-31 CN CN202120659688.XU patent/CN214471609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307061A (en) * | 2022-08-18 | 2022-11-08 | 中车大同电力机车有限公司 | Gas circulation device and method for gas tightness test |
| CN115307061B (en) * | 2022-08-18 | 2024-06-11 | 中车大同电力机车有限公司 | Gas circulation device and method for air tightness test |
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