CN213150527U - Novel anti-seismic connecting structure between transformer oil tank and cooler - Google Patents
Novel anti-seismic connecting structure between transformer oil tank and cooler Download PDFInfo
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- CN213150527U CN213150527U CN202022601876.5U CN202022601876U CN213150527U CN 213150527 U CN213150527 U CN 213150527U CN 202022601876 U CN202022601876 U CN 202022601876U CN 213150527 U CN213150527 U CN 213150527U
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Abstract
The utility model relates to a novel transformer tank and cooler between antidetonation connection structure belongs to transformer manufacture equipment technical field. The technical scheme is as follows: butterfly valve (2) are installed at the top and the bottom of circulation oil circuit, and submersible pump (5) are installed in the lower part of cooler (6) and are connected with lower part union coupling (4), and the upper portion and upper portion union coupling (7) of cooler (6) pass through bolted connection, and fixed flange stainless steel bellows (3) have two, set up respectively between upper portion union coupling (7) and butterfly valve (2) and between lower part union coupling (4) and butterfly valve (2). The utility model has the advantages that: the stainless steel corrugated pipe is arranged in the circulating oil way, when an earthquake occurs, the corrugated pipe buffers deformation and displacement of the cooler, the oil tank and the steel connecting pipe caused by the earthquake through self elastic deformation and the annular shock absorption rubber pads in the flange mounting holes, so that the damage of the earthquake to the circulating oil way between the oil tank and the cooler is reduced, and the economic loss is reduced.
Description
Technical Field
The utility model relates to a novel transformer tank and cooler between antidetonation connection structure belongs to transformer manufacture equipment technical field.
Background
The transformer is one of the most core and complex electrical devices of the power system structure. With the improvement of voltage grade and transformation capacity, the self vibration and earthquake of the transformer become important factors influencing the normal operation of the transformer, so the anti-seismic research and design of the transformer become an essential link in the manufacturing process of the transformer.
The damage form of the transformer in earthquake is various, for example, the transformer is provided with higher components (a sleeve, a conservator arranged on the top of a tank cover) and oil flow pipeline connection between the oil tank and a cooler, and the phenomenon that the damage occurs due to vibration is common. Once the transformer is damaged, the recovery difficulty is high, and the associated economic loss is serious, so that the improvement of the shock resistance of the transformer is an important link for improving the shock resistance safety of a power system.
The cooling system is an indispensable part of a large-capacity transformer assembly and a medium-capacity transformer assembly, and a circulating oil path between a cooler and the transformer is generally a steel pipe. At present, oil-way steel pipes between domestic large-capacity transformers and coolers are generally welded and connected through bolts in a rigid connection mode, and vibration damage is easily caused.
Disclosure of Invention
The utility model aims at providing a novel antidetonation connection structure between transformer tank and cooler, set up the nonrust corrugated steel pipe who takes mounting flange in the circulation oil circuit between cooler and transformer, be located the oil inlet end and the play oil end of cooler respectively, be equipped with annular shock-absorbing rubber pad in the mounting hole of nonrust corrugated steel pipe both ends flange, when taking place the earthquake, the bellows cushions the cooler through the annular shock-absorbing rubber pad in self elastic deformation and the flange mounting hole, oil tank and steel union coupling are because deformation and displacement that the seismic action produced, rigid connection between transformer tank and cooler converts the flexonics into, thereby reduce the earthquake to the destruction of circulation oil circuit between oil tank and cooler, reduce economic loss, in order to improve the holistic anti-seismic performance of transformer, the above-mentioned problem that exists among the background art has been solved effectively.
The technical scheme of the utility model is that: a novel anti-seismic connecting structure between a transformer oil tank and a cooler comprises the transformer oil tank, two butterfly valves, two fixed flange stainless steel corrugated pipes, a lower connecting pipe, two submersible pumps, the cooler and an upper connecting pipe, wherein the two butterfly valves are respectively arranged at the top and the bottom of a circulating oil path of the transformer oil tank connected with the cooler; the fixed flange stainless steel corrugated pipe comprises a corrugated pipe body, a first flange, a second flange and an annular damping rubber pad, wherein the corrugated pipe body is arranged between the first flange and the second flange, and the annular damping rubber pad is filled in mounting holes of the first flange and the second flange; the fixed flange stainless steel corrugated pipe is connected with the butterfly valve through a first flange and is respectively connected with the lower connecting pipe and the upper connecting pipe through a second flange.
The diameter of the mounting hole of the first flange is matched with that of the butterfly valve; the diameter of the mounting hole of the second flange is matched with the lower connecting pipe and the upper connecting pipe.
The fixed flange stainless steel corrugated pipe is made of stainless steel materials.
And the flange I and the flange II of the fixed flange stainless steel corrugated pipe are arranged in parallel.
And the lower connecting pipe and the upper connecting pipe are both steel oil pipes.
The utility model has the advantages that: the stainless steel corrugated pipe with the fixing flange is arranged in a circulating oil circuit between the cooler and the transformer and is respectively positioned at the oil inlet end and the oil outlet end of the cooler, the annular damping rubber pads are arranged in the mounting holes of the flanges at the two ends of the stainless steel corrugated pipe, when an earthquake occurs, the corrugated pipe buffers the deformation and the displacement of the cooler, the oil tank and the steel connecting pipe due to the earthquake action through the elastic deformation of the corrugated pipe and the annular damping rubber pads in the mounting holes of the flanges, and the rigid connection between the transformer oil tank and the cooler is converted into flexible connection, so that the damage of the earthquake to the circulating oil circuit between the oil tank and the cooler is reduced, the economic loss is reduced, and the overall earthquake resistance of the.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the fixed flange stainless steel bellows of the present invention;
in the figure: the oil-immersed type transformer oil tank comprises a transformer oil tank 1, a butterfly valve 2, a fixed flange stainless steel corrugated pipe 3, a lower connecting pipe 4, an oil-immersed pump 5, a cooler 6, an upper connecting pipe 7, a corrugated pipe body 8, a first flange 9, a second flange 10 and an annular shock-absorbing rubber pad 11.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
A novel anti-seismic connecting structure between a transformer oil tank and a cooler comprises a transformer oil tank 1, butterfly valves 2, fixed flange stainless steel corrugated pipes 3, a lower connecting pipe 4, an oil-submersible pump 5, a cooler 6 and an upper connecting pipe 7, wherein the two butterfly valves 2 are respectively arranged at the top and the bottom of a circulating oil circuit of the transformer oil tank 1 connected with the cooler 6, the oil-submersible pump 5 is arranged at the lower part of the cooler 6 and connected with the lower connecting pipe 4, the upper part of the cooler 6 is connected with the upper connecting pipe 7 through bolts, and the two fixed flange stainless steel corrugated pipes 3 are respectively arranged between the upper connecting pipe 7 and the butterfly valve 2 at the top and between the lower connecting pipe 4 and the butterfly valve 2 at the bottom; the fixed flange stainless steel corrugated pipe 3 comprises a corrugated pipe body 8, a first flange 9, a second flange 10 and an annular shock-absorbing rubber pad 11, wherein the corrugated pipe body 8 is arranged between the first flange 9 and the second flange 10, and the annular shock-absorbing rubber pad 11 is filled in mounting holes of the first flange 9 and the second flange 10; the fixed flange stainless steel corrugated pipe 3 is connected with the butterfly valve 2 through a first flange 9 and is respectively connected with the lower connecting pipe 4 and the upper connecting pipe 7 through a second flange 10.
The diameter of the mounting hole of the first flange 9 is matched with that of the butterfly valve 2; the diameter of the mounting hole of the second flange 10 is matched with that of the lower connecting pipe 4 and the upper connecting pipe 7.
The fixed flange stainless steel corrugated pipe 3 is made of stainless steel materials.
The first flange 9 and the second flange 10 of the fixed flange stainless steel corrugated pipe 3 are arranged in parallel.
The lower connecting pipe 4 and the upper connecting pipe 7 are both steel oil pipes.
In practical application, a first flange 9 for fixing the flange stainless steel corrugated pipe 3 is provided with a mounting hole matched with the butterfly valve 2, a second flange 10 is provided with a mounting hole matched with the upper connecting pipe 7 and the lower connecting pipe 4, and an annular shock-absorbing rubber pad 11 is arranged in the mounting hole. Because the fixed flange stainless steel corrugated pipe 3 has high flexibility and rigidity, when an earthquake occurs, the cooler 6, the transformer oil tank 1, the lower connecting pipe 4 and the upper connecting pipe 7 are buffered by the elastic deformation of the fixed flange stainless steel corrugated pipe and the annular shock-absorbing rubber pad 11 in the mounting hole, and the deformation and displacement of the cooler 6, the transformer oil tank 1 and the cooler 6 are converted into flexible connection due to the action of the earthquake, so that the damage of the earthquake to a circulating oil circuit between the oil tank and the cooler is reduced, and the earthquake resistance of the transformer is improved.
Claims (5)
1. The utility model provides a novel antidetonation connection structure between transformer tank and cooler which characterized in that: the oil cooler comprises a transformer oil tank (1), butterfly valves (2), fixed flange stainless steel corrugated pipes (3), lower connecting pipes (4), an oil-submerged pump (5), a cooler (6) and upper connecting pipes (7), wherein the two butterfly valves (2) are respectively arranged at the top and the bottom of a circulating oil way of the transformer oil tank (1) and connected with the cooler (6), the oil-submerged pump (5) is arranged at the lower part of the cooler (6) and connected with the lower connecting pipes (4), the upper part of the cooler (6) is connected with the upper connecting pipes (7) through bolts, the two fixed flange stainless steel corrugated pipes (3) are respectively arranged between the upper connecting pipes (7) and the butterfly valves (2) at the top and between the lower connecting pipes (4) and the butterfly valves (2) at the bottom; the fixed flange stainless steel corrugated pipe (3) comprises a corrugated pipe body (8), a first flange (9), a second flange (10) and an annular shock-absorbing rubber pad (11), wherein the corrugated pipe body (8) is arranged between the first flange (9) and the second flange (10), and the annular shock-absorbing rubber pad (11) is filled in mounting holes of the first flange (9) and the second flange (10); the fixed flange stainless steel corrugated pipe (3) is connected with the butterfly valve (2) through a first flange (9) and is respectively connected with the lower connecting pipe (4) and the upper connecting pipe (7) through a second flange (10).
2. The novel anti-seismic connecting structure between the transformer oil tank and the cooler as claimed in claim 1, wherein: the diameter of the mounting hole of the first flange (9) is matched with that of the butterfly valve (2); the diameter of the mounting hole of the second flange (10) is matched with the lower connecting pipe (4) and the upper connecting pipe (7).
3. The novel anti-seismic connecting structure between the transformer oil tank and the cooler as claimed in claim 1, wherein: the fixed flange stainless steel corrugated pipe (3) is made of stainless steel materials.
4. The novel anti-seismic connecting structure between the transformer oil tank and the cooler as claimed in claim 1, wherein: and the flange I (9) and the flange II (10) of the fixed flange stainless steel corrugated pipe (3) are arranged in parallel.
5. The novel anti-seismic connecting structure between the transformer oil tank and the cooler as claimed in claim 1, wherein: the lower connecting pipe (4) and the upper connecting pipe (7) are both steel oil pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022601876.5U CN213150527U (en) | 2020-11-12 | 2020-11-12 | Novel anti-seismic connecting structure between transformer oil tank and cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022601876.5U CN213150527U (en) | 2020-11-12 | 2020-11-12 | Novel anti-seismic connecting structure between transformer oil tank and cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213150527U true CN213150527U (en) | 2021-05-07 |
Family
ID=75722684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022601876.5U Active CN213150527U (en) | 2020-11-12 | 2020-11-12 | Novel anti-seismic connecting structure between transformer oil tank and cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213150527U (en) |
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2020
- 2020-11-12 CN CN202022601876.5U patent/CN213150527U/en active Active
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