CN220120344U - Transformer shell tightness detection device - Google Patents
Transformer shell tightness detection device Download PDFInfo
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- CN220120344U CN220120344U CN202321254175.6U CN202321254175U CN220120344U CN 220120344 U CN220120344 U CN 220120344U CN 202321254175 U CN202321254175 U CN 202321254175U CN 220120344 U CN220120344 U CN 220120344U
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 238000003825 pressing Methods 0.000 claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a transformer shell tightness detection device, which comprises a rubber base plate, wherein the rubber base plate is arranged at the upper end of a detection table, a pressure transmitter is arranged above the rubber base plate, an explosion-proof air inlet pipe is arranged at one side of the pressure transmitter, an air pressure pump is arranged below the detection table, and the air pressure pump is connected with one end of the explosion-proof air inlet pipe into a whole; the beam frame is arranged above the detection table, a pressing plate is arranged on the inner side of the beam frame, and a hydraulic cylinder is arranged above the pressing plate; the electric cabinet is arranged below the detection table, the detection device injects gas into the transformer shell, the air pressure in the transformer shell is larger than the external air pressure, the pressure transmitter arranged in the transformer shell monitors the air pressure value in the transformer shell, the tightness of the transformer shell is detected according to the air pressure value measured by the pressure transmitter, and the detection efficiency of the detection device is improved.
Description
Technical Field
The utility model relates to the technical field of tightness detection, in particular to a device for detecting tightness of a transformer shell.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and a common transformer is a transformer working by using oil, namely an oil type transformer, and is a structural type of the transformer, namely a coil of the transformer is immersed in oil. The tightness detection means to detect tightness of a sample, whether leakage occurs or not, and tightness of a transformer case, which is an indispensable step in the production process.
The Chinese patent publication No. CN218725041U, the authorized bulletin day is 2023, 03 and 24, the tightness detection device for the transformer shell comprises a support mechanism for supporting and checking tightness of the transformer shell, a moving mechanism for clamping and moving and an opening and closing mechanism for horizontally moving, wherein the moving mechanism is arranged at the top of the support mechanism, and two opening and closing mechanisms are symmetrically arranged below the moving mechanism. According to the transformer shell tightness detection device, 1, clear water is convenient to flow back to the water tank through the arrangement of the net box body, so that clear water is prevented from splashing, and staff can slide down; 2. the sliding plate is arranged along the sliding groove to fix the sliding plate supporting net box body, and then the sliding plate supporting net box body is opened, so that the direct water inlet inspection is facilitated, the time is saved, and the operation is easy; 3. through the setting of rubber pad, be convenient for upper cover and not unidimensional transformer shell sealing contact, improve complete machine application scope.
When the existing detection device detects the tightness of the transformer shell, water is injected into the transformer shell or the sealed transformer shell is placed in the water, whether the transformer shell leaks water is checked to judge the tightness of the transformer shell, the detection time is increased, the detection error is larger, the detection efficiency of the tightness of the transformer shell is poor, and the use requirement cannot be met.
Disclosure of Invention
The utility model aims to provide a transformer shell tightness detection device, which aims to solve the problems that in the prior art, when the existing detection device is used for detecting the tightness of a transformer shell, water is injected into the transformer shell or the sealed transformer shell is placed in the water, whether the transformer shell leaks or not is checked to judge the tightness of the transformer shell, the detection time is increased, the detection error is larger, the detection efficiency of the tightness of the transformer shell is poor, and the use requirement cannot be met.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a transformer housing leakproofness detection device, includes test bench and transformer housing, still includes:
the rubber backing plate is arranged at the upper end of the detection table and is connected with the detection table into a whole, a pressure transmitter is arranged above the rubber backing plate and is fixedly connected with the rubber backing plate, an explosion-proof air inlet pipe is arranged on one side of the pressure transmitter and is integrated with the rubber backing plate, an air pressure pump is arranged below the detection table and is connected with the detection table through a screw, and the air pressure pump is connected with one end of the explosion-proof air inlet pipe into a whole;
the beam frame is arranged above the detection table and is connected with the detection table through screws, the cross section of the beam frame is U-shaped, a pressing plate is arranged on the inner side of the beam frame and is horizontally arranged, a hydraulic cylinder is arranged above the pressing plate, and two ends of the hydraulic cylinder are fixedly connected with the beam frame and the pressing plate respectively;
the electric cabinet is arranged below the detection table and is connected with the detection table through screws, and the electric cabinet is electrically connected with the pressure transmitter, the hydraulic cylinder and the air pressure pump.
Preferably, a positioning frame is arranged above the rubber backing plate, the positioning frame is fixedly connected with the rubber backing plate, and the positioning frame is correspondingly arranged on the inner wall of the port of the transformer shell.
Preferably, the inside of rubber backing plate is provided with pressure sensor, and pressure sensor is provided with four, and four pressure sensor all set up as an organic wholely with the rubber backing plate, four pressure sensor sets up in the four corners department of rubber backing plate, and pressure sensor and electric cabinet electric connection.
Preferably, the guide groove is arranged on the inner wall of the beam frame, two guide grooves are arranged on the guide groove, the two guide grooves are arranged on two sides of the pressing plate, the two sides of the pressing plate are provided with sliding blocks, the sliding blocks are fixedly connected with the pressing plate, one end of each sliding block extends to the inside of the guide groove, and the sliding blocks are connected with the beam frame in a sliding mode.
Preferably, a flexible pad is arranged below the pressing plate, and the flexible pad and the pressing plate are connected into a whole.
Preferably, the explosion-proof air inlet pipe is provided with an electric control pressure regulating valve, the electric control pressure regulating valve is connected with the explosion-proof air inlet pipe into a whole, the electric control pressure regulating valve is electrically connected with the electric control box, the lower part of the detection table is provided with two supporting seats, and the supporting seats are connected with the detection table through screws.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the device, through the arrangement of the rubber backing plate, the air pressure pump, the explosion-proof air inlet pipe and the pressure transmitter, the rubber backing plate is connected with the lower port of the transformer shell, the port of the transformer shell is plugged, a sealing environment is formed, the air pressure pump and the explosion-proof air inlet pipe pressurize air into the transformer shell, the air pressure in the transformer shell is increased, the air pressure in the transformer shell is enabled to be larger than the external air pressure, the pressure transmitter monitors the air pressure value in the transformer shell, and the tightness detection of the transformer shell is realized according to the air pressure value measured by the pressure transmitter;
2. according to the device, through the arrangement of the positioning frame, the pressing plate, the hydraulic cylinder and the pressure sensor, the positioning frame is used for positioning the transformer shell to be detected, the connection effect of the transformer shell and the rubber backing plate is guaranteed, the hydraulic cylinder drives the pressing plate to descend, the descending pressing plate applies pressure to the transformer shell, the lower end of the transformer shell is tightly connected with the rubber backing plate, the pressure sensor is used for detecting the pressure between the transformer shell and the rubber backing plate, and the proper pressure between the transformer shell and the rubber backing plate is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a cross-sectional view of a rubber mat according to the present utility model;
fig. 4 is an enlarged view of a portion of area a of fig. 2 in accordance with the present utility model.
In the figure: 1. a detection table; 2. a support base; 3. an electric control box; 4. a rubber backing plate; 5. a positioning frame; 6. a pressure transmitter; 7. an explosion-proof air inlet pipe; 8. a beam frame; 9. a pressing plate; 10. a hydraulic cylinder; 11. an air pressure pump; 12. an electric control pressure regulating valve; 13. a transformer housing; 14. a pressure sensor; 15. a guide groove; 16. a slide block; 17. a flexible mat.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a transformer housing leakproofness detection device, includes test table 1 and transformer housing 13, still includes:
the rubber backing plate 4 is arranged at the upper end of the detection table 1, the rubber backing plate 4 is connected with the detection table 1 into a whole, the pressure transmitter 6 is arranged above the rubber backing plate 4, the pressure transmitter 6 is fixedly connected with the rubber backing plate 4, the explosion-proof air inlet pipe 7 is arranged on one side of the pressure transmitter 6, the explosion-proof air inlet pipe 7 is integrated with the rubber backing plate 4, the air pressure pump 11 is arranged below the detection table 1, the air pressure pump 11 is connected with the detection table 1 through screws, and the air pressure pump 11 is connected with one end of the explosion-proof air inlet pipe 7 into a whole;
the beam frame 8 is arranged above the detection table 1, the beam frame 8 is connected with the detection table 1 through screws, the cross section of the beam frame 8 is U-shaped, the inner side of the beam frame 8 is provided with a pressing plate 9, the pressing plate 9 is horizontally arranged, a hydraulic cylinder 10 is arranged above the pressing plate 9, and two ends of the hydraulic cylinder 10 are fixedly connected with the beam frame 8 and the pressing plate 9 respectively;
the electric cabinet 3, it sets up in the below of detecting platform 1, and electric cabinet 3 passes through screw connection with detecting platform 1, and electric cabinet 3 and pressure transmitter 6, pneumatic cylinder 10 and the equal electric connection of pneumatic pump 11.
When in use, the utility model is characterized in that: the port of the transformer housing 13 is downwards attached to the rubber backing plate 4, the hydraulic cylinder 10 is driven to drive the pressing plate 9 to descend, the descending pressing plate 9 applies pressure to the transformer housing 13, the transformer housing 13 is tightly attached to the rubber backing plate 4 to form a sealing environment, the air pump 11 is started to pump outside air into the transformer housing 13 through the explosion-proof air inlet pipe 7, the air pressure in the explosion-proof air inlet pipe 7 is increased, the air pressure in the explosion-proof air inlet pipe 7 is larger than the outside air pressure, the pressure transmitter 6 monitors the air pressure value in the transformer housing 13, and the tightness detection of the transformer housing 13 is realized according to the air pressure value measured by the pressure transmitter 6.
Referring to fig. 1 and 2, a positioning frame 5 is disposed above the rubber pad 4, and the positioning frame 5 is fixedly connected with the rubber pad 4, the positioning frame 5 is disposed corresponding to an inner wall of a port of the transformer housing 13, and the transformer housing 13 to be detected can be positioned through the positioning frame 5, so as to ensure a connection effect between the transformer housing 13 and the rubber pad 4.
Referring to fig. 3, pressure sensors 14 are disposed inside the rubber pad 4, four pressure sensors 14 are disposed, four pressure sensors 14 are integrated with the rubber pad 4, four pressure sensors 14 are disposed at four corners of the rubber pad 4, and the pressure sensors 14 are electrically connected with the electric cabinet 3, and pressure between the transformer housing 13 and the rubber pad 4 is measured by the pressure sensors 14.
Referring to fig. 1, 2 and 4, guide grooves 15 are formed in the inner wall of the beam frame 8, two guide grooves 15 are formed in the two sides of the pressing plate 9, sliding blocks 16 are arranged on the two sides of the pressing plate 9, the sliding blocks 16 are fixedly connected with the pressing plate 9, one end of each sliding block 16 extends to the inside of each guide groove 15, the sliding blocks 16 are slidably connected with the beam frame 8, and the lifting pressing plate 9 can be guided and limited through the guide grooves 15 and the sliding blocks 16, so that the lifting of the pressing plate 9 is stable.
Referring to fig. 1, 2 and 4, a flexible pad 17 is disposed under the pressure plate 9, and the flexible pad 17 is integrally connected with the pressure plate 9, and plays a role in protecting when pressure is applied to the transformer housing 13 through the flexible pad 17.
Referring to fig. 1 and 2, an electric control pressure regulating valve 12 is arranged on an explosion-proof air inlet pipe 7, the electric control pressure regulating valve 12 is connected with the explosion-proof air inlet pipe 7 into a whole, the electric control pressure regulating valve 12 is electrically connected with an electric cabinet 3, a supporting seat 2 is arranged below a detection table 1, the supporting seats 2 are arranged two, the supporting seats 2 are connected with the detection table 1 through screws, and air in a transformer housing 13 is discharged after detection is completed through the electric control pressure regulating valve 12, so that the transformer housing 13 is convenient to detach.
Working principle: the port of the transformer housing 13 is downwards attached to the rubber backing plate 4, the hydraulic cylinder 10 is driven to drive the pressing plate 9 to descend, the descending pressing plate 9 applies pressure to the transformer housing 13, the transformer housing 13 is tightly attached to the rubber backing plate 4, the pressure sensor 14 measures the pressure between the transformer housing 13 and the rubber backing plate 4, the connection tightness of the transformer housing 13 and the rubber backing plate 4 is guaranteed, and a sealing environment is formed; the air pump 11 is started to pump outside air, the outside air is pressurized and injected into the transformer housing 13 through the explosion-proof air inlet pipe 7, the air pressure in the explosion-proof air inlet pipe 7 is increased, the air pressure in the explosion-proof air inlet pipe 7 is larger than the outside air pressure, the pressure transmitter 6 monitors the air pressure value in the transformer housing 13, and the tightness detection of the transformer housing 13 is realized according to the air pressure value measured by the pressure transmitter 6.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a transformer housing tightness detection device, includes test bench (1) and transformer housing (13), its characterized in that still includes:
the device comprises a rubber base plate (4), wherein the rubber base plate (4) is arranged at the upper end of a detection table (1), the rubber base plate (4) is connected with the detection table (1) into a whole, a pressure transmitter (6) is arranged above the rubber base plate (4), the pressure transmitter (6) is fixedly connected with the rubber base plate (4), an explosion-proof air inlet pipe (7) is arranged on one side of the pressure transmitter (6), the explosion-proof air inlet pipe (7) is integrated with the rubber base plate (4), an air pressure pump (11) is arranged below the detection table (1), the air pressure pump (11) is connected with the detection table (1) through a screw, and the air pressure pump (11) is connected with one end of the explosion-proof air inlet pipe (7) into a whole;
the beam frame (8) is arranged above the detection table (1), the beam frame (8) is connected with the detection table (1) through screws, the cross section of the beam frame (8) is U-shaped, the inner side of the beam frame (8) is provided with a pressing plate (9), the pressing plate (9) is horizontally arranged, a hydraulic cylinder (10) is arranged above the pressing plate (9), and two ends of the hydraulic cylinder (10) are fixedly connected with the beam frame (8) and the pressing plate (9) respectively;
the electric cabinet (3) is arranged below the detection table (1), the electric cabinet (3) is connected with the detection table (1) through screws, and the electric cabinet (3) is electrically connected with the pressure transmitter (6), the hydraulic cylinder (10) and the air pressure pump (11).
2. The transformer enclosure tightness detection device according to claim 1, wherein: the upper side of rubber backing plate (4) is provided with locating frame (5), and locating frame (5) and rubber backing plate (4) fixed connection, locating frame (5) correspond the setting with the inner wall of transformer shell (13) port.
3. The transformer enclosure tightness detection device according to claim 1, wherein: the inside of rubber backing plate (4) is provided with pressure sensor (14), and pressure sensor (14) are provided with four, and four pressure sensor (14) all set up as an organic wholely with rubber backing plate (4), four pressure sensor (14) set up in the four corners department of rubber backing plate (4), and pressure sensor (14) and electric cabinet (3) electric connection.
4. The transformer enclosure tightness detection device according to claim 1, wherein: be provided with guide way (15) on the inner wall of roof beam structure (8), guide way (15) are provided with two, and two guide way (15) set up the both sides at clamp plate (9), the both sides of clamp plate (9) all are provided with slider (16), and slider (16) and clamp plate (9) fixed connection, the inside of guide way (15) is extended to one end of slider (16), and slider (16) and roof beam structure (8) sliding connection.
5. The transformer enclosure tightness detection device according to claim 1, wherein: a flexible pad (17) is arranged below the pressing plate (9), and the flexible pad (17) and the pressing plate (9) are connected into a whole.
6. The transformer enclosure tightness detection device according to claim 1, wherein: the anti-explosion air inlet pipe (7) is provided with an electric control pressure regulating valve (12), the electric control pressure regulating valve (12) is connected with the anti-explosion air inlet pipe (7) into a whole, the electric control pressure regulating valve (12) is electrically connected with the electric control cabinet (3), the lower part of the detection table (1) is provided with a supporting seat (2), the supporting seats (2) are provided with two, and the supporting seat (2) is connected with the detection table (1) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321254175.6U CN220120344U (en) | 2023-05-23 | 2023-05-23 | Transformer shell tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321254175.6U CN220120344U (en) | 2023-05-23 | 2023-05-23 | Transformer shell tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120344U true CN220120344U (en) | 2023-12-01 |
Family
ID=88915532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321254175.6U Active CN220120344U (en) | 2023-05-23 | 2023-05-23 | Transformer shell tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120344U (en) |
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2023
- 2023-05-23 CN CN202321254175.6U patent/CN220120344U/en active Active
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