CN219979306U - Power transformer flange connection structure - Google Patents
Power transformer flange connection structure Download PDFInfo
- Publication number
- CN219979306U CN219979306U CN202321486331.1U CN202321486331U CN219979306U CN 219979306 U CN219979306 U CN 219979306U CN 202321486331 U CN202321486331 U CN 202321486331U CN 219979306 U CN219979306 U CN 219979306U
- Authority
- CN
- China
- Prior art keywords
- flange
- grooved
- flat
- mounting holes
- flat flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 5
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to a flange plate connecting structure of a power transformer, and belongs to the technical field of transformers. The technical proposal is as follows: the two connecting pipes (1) are respectively welded with the flat flange plate (3) and the grooved flange plate (4); the flat flange (3) and the grooved flange (4) are respectively provided with mounting holes, the two mounting holes correspond to each other, and the two copper gaskets (5) are respectively welded at the mounting holes of the flat flange and the grooved flange; a rubber sealing gasket (2) is arranged between the flat flange and the grooved flange; two ends of the shorting stub (6) are respectively arranged on the surfaces of the two copper gaskets (5), and two ends of the shorting stub are respectively connected with the flat flange and the grooved flange in a fastening way through a fastener group (7). The beneficial effects of the utility model are as follows: by ensuring reliable electrical connection of the two flanges, the discharge phenomenon between the butt flanges is solved, and the potential safety hazard of the power transformer is reduced; simple and practical, improved production and installation effectiveness.
Description
Technical Field
The utility model relates to a flange plate connecting structure of a power transformer, and belongs to the technical field of transformers.
Background
In order to ensure safe and reliable operation of the power transformer, a connecting pipe structure for gas collection is usually arranged at the top of a transformer oil tank, the highest point of a lifting seat and the like; around the transformer, a pipe connection structure for cooling pipes is usually arranged for reducing the oil temperature of the transformer. The butt joint parts of the connecting pipe structures are all butt-jointed by using flange discs. In order to ensure good sealing performance, a rubber sealing gasket is additionally arranged at the abutting part of the flanges, so that the two flanges cannot be reliably and electrically connected. Because the connecting pipe structures are in a strong alternating current electric field, discharge phenomenon can occur between the flanges which are not reliably connected, and serious accidents can be caused.
Disclosure of Invention
The utility model aims to provide a flange connection structure of a power transformer, which solves the problem of discharging between butt flange plates and reduces the potential safety hazard of the power transformer by ensuring reliable electrical connection of the two flange plates; simple and practical has improved production and installation effectiveness, guarantees reliable electrical connection of butt joint structure, has solved the above-mentioned problem that exists among the background art effectively.
The technical scheme of the utility model is as follows: the utility model provides a power transformer ring flange connection structure, includes allies oneself with pipe, rubber sealing washer, flat flange, trough of belt ring flange, copper washer, shorting stub and fastener group, the quantity of allies oneself with the pipe is two, two allies oneself with pipe and respectively with flat flange and trough of belt ring flange welded connection; the flat flange and the grooved flange are respectively provided with mounting holes, the two mounting holes correspond to each other, the number of the copper gaskets is two, and the two copper gaskets are respectively welded at the mounting holes of the flat flange and the grooved flange; a rubber sealing gasket is arranged between the flat flange and the grooved flange; two ends of the shorting stub are respectively placed on the surfaces of the two copper gaskets, and two ends of the shorting stub are respectively and tightly connected with the flat flange and the grooved flange through fastener groups.
The two copper gaskets are matched with the mounting holes on the flat flange plate and the grooved flange plate respectively.
The two copper gaskets are welded on the outer sides of the flat flange plate and the grooved flange plate respectively.
The flat flange is matched with the grooved flange.
The groove is formed in the grooved flange, one end of the rubber sealing gasket is contacted with the inner side of the flat flange, and the other end of the rubber sealing gasket is arranged in the groove.
The beneficial effects of the utility model are as follows: by ensuring reliable electrical connection of the two flanges, the discharge phenomenon between the butt flanges is solved, and the potential safety hazard of the power transformer is reduced; simple and practical has improved production and installation effectiveness, can be applied in many department similar structures, guarantees the reliable electrical connection of butt joint structure spare.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
in the figure: the pipe joint comprises a pipe joint body 1, a rubber sealing gasket 2, a flat flange plate 3, a grooved flange plate 4, a copper gasket 5, a shorting wire 6 and a fastener group 7.
Detailed Description
The following describes the technical scheme of the present utility model in further detail by referring to the accompanying drawings and examples, which are preferred examples of the present utility model. It should be understood that the described embodiments are merely some, but not all, embodiments of the present utility model; it should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. 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.
The utility model provides a power transformer ring flange connection structure, includes allies oneself with pipe 1, rubber system sealing washer 2, flat flange 3, grooved flange 4, copper washer 5, shorting stub 6 and fastener group 7, the quantity of allies oneself with pipe 1 is two, two allies oneself with pipe 1 respectively with flat flange 3 and grooved flange 4 welded connection; the flat flange 3 and the grooved flange 4 are respectively provided with mounting holes, the two mounting holes correspond to each other, the number of the copper gaskets 5 is two, and the two copper gaskets 5 are respectively welded at the mounting holes of the flat flange 3 and the grooved flange 4; a rubber sealing gasket 2 is arranged between the flat flange 3 and the grooved flange 4; the both ends of shorting stub 6 are placed respectively on the surface of two copper washers 5, and the both ends of shorting stub 6 pass through fastener group 7 fastening connection with flat ring flange 3 and fluted ring flange 4 respectively.
The two copper washers 5 are matched with mounting holes in the flat flange 3 and the grooved flange 4, respectively.
Two copper washers 5 are welded to the outer sides of the flat flange 3 and the grooved flange 4, respectively.
The flat flange 3 is matched with the grooved flange 4.
The grooved flange 4 is provided with a groove, one end of the rubber sealing washer 2 is contacted with the inner side of the flat flange 3, and the other end of the rubber sealing washer is arranged in the groove.
In practical application, the two connecting pipes are respectively connected with the flat flange and the grooved flange, and the flat flange and the grooved flange are in butt joint; welding copper gaskets at mounting holes of the butted flat flange and the grooved flange; a shorting stub is additionally arranged at the copper gasket part; and the two ends of the shorting wire are respectively pressed on the copper gaskets welded by the flat flange and the grooved flange by using the fastener group.
According to the utility model, the copper gaskets are welded on the mounting holes corresponding to the butted flat flange plates and the grooved flange plates respectively, the short wire is additionally arranged at the positions of the copper gaskets, and the two ends of the short wire are tightly pressed on the copper gaskets welded by the flat flange plates and the grooved flange plates by using the fastener groups, so that the reliable electrical connection of the two flange plates is ensured, the discharge phenomenon between the butted flange plates is solved, and the potential safety hazard of the power transformer is reduced. Meanwhile, the utility model is simple and practical, improves the production and installation efficiency, can be applied to a plurality of similar structures, and ensures reliable electrical connection of the butt joint structural members.
Claims (3)
1. A power transformer ring flange connection structure, its characterized in that: the connecting pipe comprises two connecting pipes (1), a rubber sealing gasket (2), a flat flange (3), a grooved flange (4), a copper gasket (5), a shorting wire (6) and a fastener group (7), wherein the two connecting pipes (1) are welded with the flat flange (3) and the grooved flange (4) respectively; the flat flange plate (3) and the grooved flange plate (4) are respectively provided with mounting holes, the two mounting holes correspond to each other, the number of the copper gaskets (5) is two, and the two copper gaskets (5) are respectively welded at the mounting holes of the flat flange plate (3) and the grooved flange plate (4); a rubber sealing gasket (2) is arranged between the flat flange (3) and the grooved flange (4); two ends of the shorting stub (6) are respectively arranged on the surfaces of the two copper gaskets (5), and two ends of the shorting stub (6) are respectively connected with the flat flange (3) and the grooved flange (4) in a fastening way through a fastener group (7).
2. A power transformer flange connection structure according to claim 1, characterized in that: the two copper gaskets (5) are matched with the mounting holes on the flat flange (3) and the grooved flange (4) respectively.
3. A power transformer flange connection structure according to claim 1, characterized in that: the two copper gaskets (5) are welded on the outer sides of the flat flange (3) and the grooved flange (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321486331.1U CN219979306U (en) | 2023-06-12 | 2023-06-12 | Power transformer flange connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321486331.1U CN219979306U (en) | 2023-06-12 | 2023-06-12 | Power transformer flange connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979306U true CN219979306U (en) | 2023-11-07 |
Family
ID=88588040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321486331.1U Active CN219979306U (en) | 2023-06-12 | 2023-06-12 | Power transformer flange connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979306U (en) |
-
2023
- 2023-06-12 CN CN202321486331.1U patent/CN219979306U/en active Active
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