CN217059334U - Convenient testing arrangement of transformer pressure relief valve - Google Patents
Convenient testing arrangement of transformer pressure relief valve Download PDFInfo
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- CN217059334U CN217059334U CN202220801266.6U CN202220801266U CN217059334U CN 217059334 U CN217059334 U CN 217059334U CN 202220801266 U CN202220801266 U CN 202220801266U CN 217059334 U CN217059334 U CN 217059334U
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Abstract
The application relates to a convenient testing device for a pressure release valve of a transformer, which comprises a base, a testing box, a release valve body and a pressure release nozzle, wherein the testing box is fixedly installed at the top of the base; by arranging the air measuring mechanism, when the pressure of the release valve body needs to be released during pressure release, air pressure is released from the pressure release nozzle, so that an air flow sensor connected with an inner cavity of the cover at one end of the pressure release nozzle senses whether air flow is discharged from the pressure release nozzle, if no air flow exists, the problem is detected by the release valve body, the pressure cannot be released when the pressure is limited, and the pressure release test is performed on the release valve body; through setting up the survey gas mechanism, can be simple swift accomplish the relief valve body whether can normally the pressure release work, survey gas mechanism simple structure moreover, it is with low costs.
Description
Technical Field
The application relates to the technical field of pressure relief valve testing, in particular to a convenient testing device for a pressure relief valve of a transformer.
Background
The pressure relief valve is a pressure protection device of the transformer, when the transformer has an internal serious fault, the internal pressure rises sharply, the pressure relief valve must be opened in time to discharge part of transformer oil and gas to reduce the internal pressure of the oil tank, and when the pressure in the oil tank is reduced, the pressure relief valve is closed automatically to keep the oil tank sealed. If the pressure release valve can not act timely and accurately, the transformer oil tank can crack and explode to cause fire, so that the detection of the pressure release valve is very important.
However, the existing pressure relief valve detection instrument is complex in structure, complex operation is needed during detection, the relief valve is connected with the detection device in a complex mode, and the test is inconvenient. Therefore, the person skilled in the art provides a convenient testing device for the pressure relief valve of the transformer, so as to solve the problems mentioned in the background art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems provided in the background art, the application provides a convenient testing device for a pressure relief valve of a transformer.
The application provides a convenient testing arrangement of transformer pressure relief valve adopts following technical scheme:
a convenient testing device for a pressure relief valve of a transformer comprises a base, a testing box, a relief valve body and a relief nozzle, wherein the testing box is fixedly mounted at the top of the base, the relief valve body is movably arranged in an inner cavity of the testing box, the relief nozzle is mounted at the top of one side of the relief valve body, a sealing groove is fixedly formed in the bottom of the inner cavity of the testing box, a sealing gasket is mounted at the bottom of the inner cavity of the sealing groove, the bottom end of the relief valve body is located at the top of the sealing gasket, an air pipe penetrates through the bottom of the sealing groove in an inserted mode, and an air measuring mechanism is slidably mounted at one side of the inner cavity of the testing box;
the air measuring mechanism comprises a connecting cover, the connecting cover is located on one side of the pressure relief nozzle, an air flow sensor is fixedly mounted on one side of an inner cavity of the connecting cover, a connecting rod is fixedly connected to one side of the connecting cover, and a sliding sleeve is inserted into one end of the connecting rod in a sliding mode.
Through adopting above-mentioned technical scheme, through setting up the air measurement mechanism, can be simply swift whether can normally the pressure release work to the completion of relief valve body, air measurement mechanism simple structure is with low costs moreover, and air measurement mechanism can stretch the distance around under the cooperation of connecting rod and sliding sleeve, conveniently cooperates the position of decompression mouth.
Preferably, a sliding groove is fixedly formed in one side of the inner cavity of the test box, a sliding block is fixedly connected to one end of the sliding sleeve, and the sliding block is located in the inner cavity of the sliding groove in a sliding mode.
Through adopting above-mentioned technical scheme, the cooperation of spout and slider makes its air gage mechanism can highly reciprocate as required.
Preferably, the inner chamber bottom fixed mounting of base has the booster pump, and booster pump and trachea bottom end fixed connection.
Through adopting above-mentioned technical scheme, the booster pump is used for to relief valve body inner chamber pressure boost so that whether can the pressure release detect the completion.
Preferably, the threaded rod is inserted through the top of the inner cavity of the test box, the bottom end of the threaded rod is rotatably connected with the pressing plate, and the pressing plate is located in the inner cavity of the test box.
Through adopting above-mentioned technical scheme, the threaded rod conveniently drives the clamp plate decline and suppresses the relief valve body to guarantee that sealed effectual between the flange and the sealed pad of relief valve body bottom.
Preferably, the bottom of the pressure plate is fixedly connected with a protection pad, and the protection pad is positioned at the top of the release valve body.
Through adopting above-mentioned technical scheme, the protection is filled up and is protected the relief valve body.
To sum up, the application comprises the following beneficial technical effects:
by arranging the air measuring mechanism, when the pressure of the release valve body needs to be released during pressure release, air pressure is released from the pressure release nozzle, so that an air flow sensor connected with an inner cavity of the cover at one end of the pressure release nozzle senses whether air flow is discharged from the pressure release nozzle, if no air flow exists, the problem is detected by the release valve body, the pressure cannot be released when the pressure is limited, and the pressure release test is performed on the release valve body; through setting up the air measuring mechanism, can be simply swift whether can normally the pressure release work to the completion of relief valve body, air measuring mechanism simple structure is with low costs moreover, and air measuring mechanism can stretch the distance around the cooperation of connecting rod and sliding sleeve, conveniently cooperates the position of decompression mouth.
Drawings
FIG. 1 is a schematic overall structure diagram of a convenient testing device for a pressure relief valve of a transformer according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a convenient testing device for a pressure relief valve of a transformer according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an air measuring mechanism in the embodiment of the present application.
Description of reference numerals: 1. a base; 2. a test box; 3. a relief valve body; 4. a pressure relief nozzle; 5. sealing the groove; 6. a gasket; 7. a gas measuring mechanism; 71. a connecting cover; 72. an airflow sensor; 73. a connecting rod; 74. a sliding sleeve; 75. a slider; 8. pressing a plate; 9. a threaded rod; 10. a protective pad; 11. an air pipe; 12. a chute; 13. a booster pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a convenient testing arrangement of transformer pressure relief valve. Referring to fig. 1-3, the convenient testing device for the pressure relief valve of the transformer comprises a base 1, a testing box 2, a relief valve body 3 and a relief nozzle 4, wherein the testing box 2 is fixedly installed at the top of the base 1, the relief valve body 3 is movably arranged in an inner cavity of the testing box 2, the relief nozzle 4 is installed at the top of one side of the relief valve body 3, a sealing groove 5 is fixedly formed in the bottom of the inner cavity of the testing box 2, a sealing gasket 6 is installed at the bottom of the inner cavity of the sealing groove 5, the bottom end of the relief valve body 3 is located at the top of the sealing gasket 6, an air pipe 11 is inserted into the bottom of the sealing groove 5 in a penetrating manner, and an air measuring mechanism 7 is slidably installed at one side of the inner cavity of the testing box 2;
the air measuring mechanism 7 comprises a connecting cover 71, the connecting cover 71 is positioned on one side of the pressure relief nozzle 4, an air flow sensor 72 is fixedly installed on one side of an inner cavity of the connecting cover 71, a connecting rod 73 is fixedly connected on one side of the connecting cover 71, and a sliding sleeve 74 is inserted into one end of the connecting rod 73 in a sliding mode.
Through adopting above-mentioned technical scheme, through setting up air measuring mechanism 7, can be simply swift whether can normally the pressure release work to relief valve body 3 completion, air measuring mechanism 7 simple structure is with low costs moreover, and air measuring mechanism 7 can stretch the distance around under the cooperation of connecting rod 73 and sliding sleeve 74, conveniently cooperates the position of decompression mouth 4.
As shown in fig. 1-2, a sliding groove 12 is fixedly formed in one side of an inner cavity of the testing box 2, a sliding block 75 is fixedly connected to one end of the sliding sleeve 74, and the sliding block 75 is slidably located in the inner cavity of the sliding groove 12.
By adopting the technical scheme, the air measuring mechanism 7 can move up and down according to the required height through the matching of the sliding chute 12 and the sliding block 75.
As shown in FIG. 2, a booster pump 13 is fixedly installed at the bottom of the inner cavity of the base 1, and the booster pump 13 is fixedly connected with the bottom end of the air pipe 11.
Through adopting above-mentioned technical scheme, booster pump 13 is used for to 3 inner chambers pressure boost of relief valve body so that whether the completion can the pressure release detect.
As shown in fig. 1-2, a threaded rod 9 is inserted through the top of the inner cavity of the test box 2, a pressing plate 8 is rotatably connected to the bottom end of the threaded rod 9, and the pressing plate 8 is located in the inner cavity of the test box 2.
Through adopting above-mentioned technical scheme, threaded rod 9 conveniently drives 8 descends of clamp plate and suppresses relief valve body 3 to ensure that sealed effectual between the flange of relief valve body 3 bottom and the sealed pad 6.
As shown in fig. 1-2, a protective pad 10 is fixedly attached to the bottom of the pressure plate 8, and the protective pad 10 is positioned on the top of the relief valve body 3.
By adopting the above technical scheme, the protection pad 10 protects the relief valve body 3.
The implementation principle of the convenient testing arrangement of transformer pressure relief valve of the embodiment of this application is: placing a flange at the bottom of the relief valve body 3 in an inner cavity of the sealing groove 5, then moving the air measuring mechanism 7 to enable a connecting cover 71 at one end of the air measuring mechanism to be inserted at one end of the pressure relief nozzle 4, and then rotating a threaded rod 9 to enable a pressure plate 8 at the bottom of the air measuring mechanism to descend and be pressed at the top of the relief valve body 3, so that the flange at the bottom of the relief valve body 3 and a sealing gasket 6 in the inner cavity of the sealing groove 5 are pressed tightly for sealing; then, the booster pump 13 boosts the inner cavity of the release valve body 3 at the top through the air pipe 11, and when the booster reaches the state that the release valve body 3 needs to release pressure, air pressure is released from the pressure release nozzle 4, so that the air flow sensor 72 in the inner cavity of the connecting cover 71 at one end of the pressure release nozzle 4 senses whether air flow is discharged from the pressure release nozzle 4, if no air flow exists, the problem is detected by the release valve body 3, and the pressure cannot be released when the pressure is at the upper limit, so that the pressure release test is performed on the release valve body 3; through setting up gas measuring mechanism 7, can be simple swift accomplish the work of whether can normally relieving pressure to relief valve body 3, gas measuring mechanism 7 simple structure moreover, with low costs, gas measuring mechanism 7 can stretch the distance around under the cooperation of connecting rod 73 and sliding sleeve 74, conveniently cooperates the position of decompression mouth 4, and gas measuring mechanism 7's height also can slide the change from top to bottom in addition.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a convenient testing arrangement of transformer pressure relief valve, includes base (1), test box (2), relief valve body (3) and pressure release mouth (4), the top fixed mounting of base (1) has test box (2), the inner chamber activity of test box (2) is equipped with relief valve body (3), pressure release mouth (4), its characterized in that are installed at one side top of relief valve body (3): a sealing groove (5) is fixedly formed in the bottom of an inner cavity of the test box (2), a sealing gasket (6) is installed at the bottom of the inner cavity of the sealing groove (5), the bottom end of the release valve body (3) is located at the top of the sealing gasket (6), an air pipe (11) penetrates through and is inserted into the bottom of the sealing groove (5), and an air measuring mechanism (7) is installed on one side of the inner cavity of the test box (2) in a sliding mode;
the air measuring mechanism (7) comprises a connecting cover (71), the connecting cover (71) is located on one side of the pressure relief nozzle (4), an air flow sensor (72) is fixedly mounted on one side of an inner cavity of the connecting cover (71), a connecting rod (73) is fixedly connected to one side of the connecting cover (71), and a sliding sleeve (74) is inserted into one end of the connecting rod (73) in a sliding mode.
2. The convenient testing device for the pressure relief valve of the transformer according to claim 1, wherein: the test box is characterized in that a sliding groove (12) is fixedly formed in one side of an inner cavity of the test box (2), a sliding block (75) is fixedly connected to one end of the sliding sleeve (74), and the sliding block (75) is located in the inner cavity of the sliding groove (12) in a sliding mode.
3. The convenient testing device for the pressure relief valve of the transformer according to claim 1, characterized in that: the inner chamber bottom fixed mounting of base (1) has booster pump (13), and booster pump (13) and trachea (11) bottom fixed connection.
4. The convenient testing device for the pressure relief valve of the transformer according to claim 1, characterized in that: threaded rod (9) run through at the inner chamber top of test box (2), the bottom of threaded rod (9) is rotated and is connected with clamp plate (8), and clamp plate (8) are located the inner chamber of test box (2).
5. The convenient testing device for the pressure relief valve of the transformer as recited in claim 4, wherein: the bottom of the pressure plate (8) is fixedly connected with a protective pad (10), and the protective pad (10) is located at the top of the release valve body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220801266.6U CN217059334U (en) | 2022-04-07 | 2022-04-07 | Convenient testing arrangement of transformer pressure relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220801266.6U CN217059334U (en) | 2022-04-07 | 2022-04-07 | Convenient testing arrangement of transformer pressure relief valve |
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| Publication Number | Publication Date |
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| CN217059334U true CN217059334U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220801266.6U Active CN217059334U (en) | 2022-04-07 | 2022-04-07 | Convenient testing arrangement of transformer pressure relief valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202878A (en) * | 2023-01-29 | 2023-06-02 | 中国特种设备检测研究院 | Check valve atmospheric pressure durability testing arrangement |
| CN117890033A (en) * | 2024-03-15 | 2024-04-16 | 连云港跻强机械制造有限公司 | Low-temperature rotary joint airtight test equipment for LNG loading arm |
-
2022
- 2022-04-07 CN CN202220801266.6U patent/CN217059334U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202878A (en) * | 2023-01-29 | 2023-06-02 | 中国特种设备检测研究院 | Check valve atmospheric pressure durability testing arrangement |
| CN116202878B (en) * | 2023-01-29 | 2023-10-20 | 中国特种设备检测研究院 | Check valve atmospheric pressure durability testing arrangement |
| CN117890033A (en) * | 2024-03-15 | 2024-04-16 | 连云港跻强机械制造有限公司 | Low-temperature rotary joint airtight test equipment for LNG loading arm |
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