CN202422925U - Flange sealing structure for oil-immersed transformer - Google Patents
Flange sealing structure for oil-immersed transformer Download PDFInfo
- Publication number
- CN202422925U CN202422925U CN2011205446951U CN201120544695U CN202422925U CN 202422925 U CN202422925 U CN 202422925U CN 2011205446951 U CN2011205446951 U CN 2011205446951U CN 201120544695 U CN201120544695 U CN 201120544695U CN 202422925 U CN202422925 U CN 202422925U
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- China
- Prior art keywords
- oil
- sealing
- flanges
- flange
- immersed transformer
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the field of sealing of flanges, in particular to a flange sealing structure for an oil-immersed transformer, which comprises flanges. The flange sealing structure for the oil-immersed transformer is characterized in that grooves are arranged at corresponding sealing positions of the two flanges, the two flanges are connected via a double-end stud and a nut, and sealing rings are arranged in the grooves. The sealing rings are O-shaped sealing rings. Compared with the prior art, the flange sealing structure for the oil-immersed transformer has the advantages that 1), the flanges are connected via the double-end stud and the nut, so that stress to the flanges is uniform, the problem that the sealing rings are aged and crack due to influences of cold, heat and oil can be prevented, the service life of the sealing rings is three times of that of a sealing gasket, 2), a sealing effect is good, oil leakage quantity is reduced, oil is replenished for the flange sealing structure once every five years instead of being replenished once every two years, and running cost is lowered, and 3), major equipment safety accidents and personal injury are avoided, and safe and stable running of an electrical power system is guaranteed.
Description
Technical field
The utility model relates to the flange seal field, particularly a kind of oil-filled transformer flange seal structure.
Background technology
Oil-filled transformer is one of visual plant in industrial and mining enterprises and the civil buildings power supply-distribution system, and this kind transformer common faults that is in operation has two big types of welding seepage and seal leak, and the former generally adopts the method solution of repair welding; The latter is mostly occurred at connecting portions such as the sleeve pipe of transformer, Buchholz relay, conservator, decomposition switch, radiator and Box Covers.Transformer adpting flange sealing at present generally adopts sealing gasket, sealing gasket to cause the reason of leakage of oil to have: one, be plane contact between sealing gasket and the flange, sealing gasket material oil resistance is bad, is prone to season cracking; Two, two flanges adopt bolt to connect, and when the bolt single load bearing, are prone to cause the sealing gasket dislocation.In the production, a small amount of seepage of transformer is little to transformer influence, but like seepage when serious; Cause pasta to cross and hang down when consequently can't see oil level; Should immediately transformer be stopped using this moment and carry out mending-leakage and oiling, otherwise sleeve pipe lead-in wire and shunting switch are exposed in the air, insulation level reduces greatly; Cause disruptive discharge easily, lead to the substantial equipment security incident.
Summary of the invention
The purpose of the utility model provides a kind of oil-filled transformer flange seal structure; Overcome the deficiency of prior art, adopt novel sealing structure, improve transformer flange seal effect; Ensure power system security, stable operation, avoid taking place the generation of substantial equipment security incident and personal injury.
For solving the problems of the technologies described above, the technical scheme of the utility model is:
A kind of oil-filled transformer flange seal structure comprises flange, is provided with groove at the corresponding sealing station of two flanges, and two flanges are connected with nut through studs, are provided with sealing ring in the groove.
Said sealing ring is an O-ring seals.
Compared with prior art, the beneficial effect of the utility model is: 1) flange connects through studs, makes flange stressed even, can prevent that sealing ring receives cold and hot and oily influence to cause aging, cracking phenomena, and be 3 times of sealing gasket the useful life of sealing ring.2) good sealing effect reduces the seepage oil mass, and the repairing number of times once extends to per 5 years benefits once by every two years mending, and reduces operating cost.3) avoid the generation of substantial equipment security incident and personal injury, ensured power system security and stable operation.
Description of drawings
Fig. 1 is the utility model example structure sketch map.
Among the figure: 1-flange 2-groove 3-studs 4-nut 5-sealing ring
Embodiment
Be described further below in conjunction with the embodiment of accompanying drawing the utility model:
See Fig. 1; It is a kind of oil-filled transformer flange seal of the utility model structure example structure sketch map; Comprise flange 1, be provided with 2, two flanges 1 of groove at two flanges, 1 corresponding sealing station and be connected with nut 4 through studs 3; Be provided with sealing ring 5 in the groove 2, sealing ring 5 is an O-ring seals.Sealing ring 5 deforms under the effect of studs 3 and nut 4 groove 2 is filled up; Contact area with transformer oil has reduced on the one hand, prevents not oil resistant cracking of sealing ring, realizes sealing effectiveness on the other hand easily; Guarantee that transformer oil does not leak, satisfy production requirement.
Claims (2)
1. an oil-filled transformer flange seal structure is characterized in that, comprises flange, is provided with groove at the corresponding sealing station of two flanges, and two flanges are connected with nut through studs, are provided with sealing ring in the groove.
2. a kind of oil-filled transformer flange seal structure according to claim 1 is characterized in that said sealing ring is an O-ring seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205446951U CN202422925U (en) | 2011-12-22 | 2011-12-22 | Flange sealing structure for oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205446951U CN202422925U (en) | 2011-12-22 | 2011-12-22 | Flange sealing structure for oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202422925U true CN202422925U (en) | 2012-09-05 |
Family
ID=46747661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205446951U Expired - Fee Related CN202422925U (en) | 2011-12-22 | 2011-12-22 | Flange sealing structure for oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202422925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610881A (en) * | 2017-08-08 | 2018-01-19 | 芜湖市凯鑫避雷器有限责任公司 | A kind of seal radiation proof mechanism of transformer |
-
2011
- 2011-12-22 CN CN2011205446951U patent/CN202422925U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610881A (en) * | 2017-08-08 | 2018-01-19 | 芜湖市凯鑫避雷器有限责任公司 | A kind of seal radiation proof mechanism of transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20171222 |