CN213183889U - Expander for automatically adjusting oil level in transformer oil tank - Google Patents
Expander for automatically adjusting oil level in transformer oil tank Download PDFInfo
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- CN213183889U CN213183889U CN202022115880.0U CN202022115880U CN213183889U CN 213183889 U CN213183889 U CN 213183889U CN 202022115880 U CN202022115880 U CN 202022115880U CN 213183889 U CN213183889 U CN 213183889U
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- expander
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- oil
- transformer
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Abstract
The utility model discloses an expander for automatically adjusting oil level in a transformer oil tank, which comprises an expander main body and an expander mounting piece, wherein the expander main body is mounted with the expander mounting piece which is fixedly mounted with an oil tank cover, the top of the oil tank cover is provided with a mounting port, the oil tank cover is fixedly mounted at the top of the oil tank body, and the expander main body penetrates through the mounting port and is arranged in the oil tank body; the expander main body comprises an outer shell and a mounting block, wherein an oil level adjusting expansion piece inside the transformer oil tank is arranged on the outer shell, the mounting block is fixedly mounted at the top of the outer shell, and the mounting block and the expander mounting piece are fixedly mounted; the utility model discloses compact structure, the expander installed part makes installation, dismantlement convenient between expander and the transformer tank, and installs the leakproofness good, maintenance, the change of expander on the oil tank of being convenient for, and is independent between the dismouting operation of expander and the oil tank, and pressure sensor avoids the installation of the many trompils of oil tank with the same position installation of expander.
Description
Technical Field
The utility model relates to an expander, in particular to expander of inside automatically regulated oil level of transformer tank belongs to transformer tank technical field.
Background
The expansion compensator is compressed and reduced in space under the pressure of the transformer oil when the oil is heated due to the work of the coil in the transformer, the volume of the oil is increased, and the expansion compensator is subjected to the pressure of the transformer oil; when the transformer oil is cooled and the volume is reduced, the expansion compensator is not stressed and returns to the original shape, so that the state that the insulating oil in the transformer oil tank is filled all the time is ensured, and the automatic adjustment of the oil level in the transformer oil tank is realized through the expander arranged in the transformer oil tank.
The present expander is installed in the inside of oil tank, when the expander maintenance, change, need open the operation with the oil tank, not only can exert an influence to the oil tank, and increases the expander dismouting degree of difficulty in the transformer tank, and it is inconvenient to use, and the practicality is not strong.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome prior art present expander and install in the inside of oil tank, when expander maintenance, change, need open the operation with the oil tank, not only can produce the influence to the oil tank, and increase the expander dismouting degree of difficulty in the transformer tank, awkward defect provides an expander of the inside automatically regulated oil level of transformer tank.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to an expander for automatically adjusting oil level in a transformer oil tank, which comprises an expander main body and an expander mounting piece, wherein the expander main body is mounted with the expander mounting piece, the expander mounting piece is fixedly mounted with an oil tank cover, the top of the oil tank cover is provided with a mounting port, the oil tank cover is fixedly mounted at the top of the oil tank body, and the expander main body penetrates through the mounting port and is arranged in the oil tank body;
the expander main part includes shell body and installation piece, be equipped with the inside oil level regulation inflation piece of transformer tank on the shell body, the top fixed mounting of shell body has the installation piece, fixed mounting between installation piece and the expander installed part.
As a preferred technical scheme of the utility model, the expander installed part includes ring flange, screw thread mount pad, screw hole and bolt, one side of ring flange is provided with the screw thread mount pad, be protruding type structure setting between screw thread mount pad and the ring flange, be equipped with the screw hole on the ring flange, the ring flange passes through the bolt of screw hole internal thread installation and the fuel tank cap fixed mounting of installing port department.
As a preferred technical scheme of the utility model, the screw thread mount pad inboard is equipped with the internal thread, the installation piece is the setting of circular structure, the installation piece outside is equipped with the external screw thread, thread tightening between installation piece and the screw thread mount pad.
As a preferred technical scheme of the utility model, the expander main part still includes pressure sensor, fixed mounting has pressure sensor on one side of shell body bottom.
As an optimal technical scheme of the utility model, between shell body and the installation piece and the installing port all be T type structure setting, fixed mounting has sealed the pad in the installing port.
As an optimized technical scheme of the utility model, the homogeneous style is made between shell body and the installation piece and between ring flange and the screw thread mount pad.
The utility model discloses the beneficial effect who reaches is:
1. this expander of inside automatically regulated oil level of transformer tank, compact structure, convenient to use, through the expander installed part that sets up, the expander main part passes through expander installed part and transformer tank fixed mounting, when realizing the expander to the inside oil level automatically regulated of transformer tank, installation, dismantlement convenience between expander and the transformer tank, and the installation leakproofness is good, the maintenance of the expander on the oil tank of being convenient for, change, independent between the dismouting operation of expander and the oil tank.
2. This expander of inside automatically regulated oil level of transformer tank, through setting up the pressure sensor on the shells, pressure sensor is used for oil tank internal pressure to detect, and pressure sensor and expander are installed at the same position of fuel tank cap, avoid the installation of many trompils of oil tank, simple to operate, and the practicality is stronger.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the fuel tank cap of the present invention;
FIG. 3 is a schematic view of the expander body of the present invention;
figure 4 is a schematic diagram of the expander mount of the present invention.
In the figure: 1. an expander body; 11. an outer housing; 12. mounting blocks; 13. a pressure sensor; 2. an expander mount; 21. a flange plate; 22. a threaded mounting seat; 23. a threaded hole; 24. a bolt; 3. an installation port; 4. a fuel tank cap; 5. an oil tank body; 6. and a gasket.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1 to 4, an expander for automatically adjusting an oil level inside a transformer tank comprises an expander body 1 and an expander mounting member 2, wherein the expander body 1 is mounted with the expander mounting member 2, the expander mounting member 2 is fixedly mounted with a tank cover 4, a mounting opening 3 is formed in the top of the tank cover 4, the tank cover 4 is fixedly mounted on the top of a tank body 5, and the expander body 1 is arranged inside the tank body 5 through the mounting opening 3;
expander main part 1 includes shell body 11 and installation piece 12, be equipped with the inside oil level regulation inflation piece of transformer tank on the shell body 11, the top fixed mounting of shell body 11 has installation piece 12, fixed mounting between installation piece 12 and the expander installed part 2.
Wherein, expander installed part 2 includes ring flange 21, screw thread mount pad 22, screw hole 23 and bolt 24, one side of ring flange 21 is provided with screw thread mount pad 22, be protruding type structure setting between screw thread mount pad 22 and the ring flange 21, be equipped with screw hole 23 on the ring flange 21, ring flange 21 is convenient for with 2 fixed mounting of expander installed part on oil tank cap 4 through the bolt 24 of screw hole 23 internal thread installation and the 4 fixed mounting of fuel tank cap of installing port 3 department.
Wherein, the screw thread mount pad 22 inboard is equipped with the internal thread, installation piece 12 is the setting of circular structure, the installation piece 12 outside is equipped with the external screw thread, thread tightening between installation piece 12 and the screw thread mount pad 22, the screw thread installation, dismantle simple, easy, and the installation is firm.
Wherein, expander main part 1 still includes pressure sensor 13, fixed mounting has pressure sensor 13 on one side of shell body 11 bottom, and pressure sensor 13 is used for the oil tank internal pressure to detect, and pressure sensor 13 and expander are installed at the same position of fuel tank cap 4, avoid the installation of many places trompils of oil tank, simple to operate.
Wherein, between shell body 11 and the installation piece 12 and installing port 3 all be T type structure setting, 3 internal fixation of installing port has sealed the pad 6, and sealed pad 6 is sealed between 3 to installing port and the shell body 11, improves the sealing performance of expander and the installation of the oil tank body 5.
The outer shell 11 and the mounting block 12, and the flange 21 and the threaded mounting seat 22 are integrally formed, so that the integral structure has high strength and does not cause leakage.
The working principle is as follows: when in use, the pressure sensor 13 with the model of HXT204D-15 is fixedly arranged on one side of the bottom of the outer shell 11, the inner side of the thread mounting seat 22 is provided with internal threads, the outer side of the mounting block 12 is provided with external threads, the mounting block 12 and the thread mounting seat 22 are fixed by threads, namely, the expander main body 1 and the expander mounting piece 2 are fixedly arranged, the expander main body 1 is inserted into the oil tank body 5 through the mounting port 3 of the oil tank cover 4, the bolt 24 is arranged in the thread hole 23 of the flange 21, the mounting port 3 and the outer shell 11 are arranged in a T-shaped structure, the mounting port 3 is internally and fixedly provided with the sealing gasket 6, the sealing gasket 6 seals the mounting port 3 and the outer shell 11, the expander mounting piece 2 with the expander main body 1 is fixedly arranged in the oil tank body 5, and the expander is rotated and taken out from the thread mounting seat 22 when being maintained and replaced, when installing once more, rethread installation piece 12 and screw thread mount pad 22 threaded installation can, install between expander and the transformer tank, it is convenient to dismantle, and the installation leakproofness is good, be convenient for the maintenance of expander on the oil tank, change, it is independent between the dismouting operation of expander and the oil tank, need not to open the operation to the oil tank, reduce the use degree of difficulty of expander, pressure sensor 13 on the expander shell body 11, pressure sensor 13 is used for the pressure measurement in the oil tank, and pressure sensor 13 and expander are installed at the same position of fuel tank cap 4, avoid the installation of the many trompils of oil tank, high durability and convenient installation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an expander of inside automatically regulated oil level of transformer tank which characterized in that: the inflation device comprises an inflation device main body (1) and an inflation device mounting piece (2), wherein the inflation device main body (1) and the inflation device mounting piece (2) are mounted, the inflation device mounting piece (2) and an oil tank cover (4) are fixedly mounted, a mounting opening (3) is formed in the top of the oil tank cover (4), the oil tank cover (4) is fixedly mounted on the top of an oil tank body (5), and the inflation device main body (1) penetrates through the mounting opening (3) and is arranged inside the oil tank body (5);
expander main part (1) includes shell body (11) and installation piece (12), be equipped with the inside oil level of transformer tank on shell body (11) and adjust the inflation piece, the top fixed mounting of shell body (11) has installation piece (12), fixed mounting between installation piece (12) and expander installed part (2).
2. The expander for automatically adjusting the oil level inside the transformer tank according to claim 1, wherein: expander installed part (2) are including ring flange (21), screw thread mount pad (22), screw hole (23) and bolt (24), one side of ring flange (21) is provided with screw thread mount pad (22), be protruding type structure setting between screw thread mount pad (22) and ring flange (21), be equipped with screw hole (23) on ring flange (21), bolt (24) and the fuel tank cap (4) fixed mounting of installing port (3) department that ring flange (21) installed through screw hole (23) internal thread.
3. The expander for automatically adjusting the oil level inside the transformer tank according to claim 2, wherein: the thread mounting seat (22) is inboard to be equipped with the internal thread, installation piece (12) are the setting of circular structure, the installation piece (12) outside is equipped with the external screw thread, thread tightening between installation piece (12) and thread mounting seat (22).
4. The expander for automatically adjusting the oil level inside the transformer tank according to claim 1, wherein: the expander main body (1) further comprises a pressure sensor (13), and the pressure sensor (13) is fixedly mounted on one side of the bottom of the outer shell (11).
5. The expander for automatically adjusting the oil level inside the transformer tank according to claim 4, wherein: between shell body (11) and installation piece (12) and installing port (3) all are T type structure setting, fixed mounting has sealed pad (6) in installing port (3).
6. The expander for automatically adjusting the oil level inside the transformer tank according to claim 5, wherein: the outer shell (11) and the mounting block (12) and the flange (21) and the threaded mounting seat (22) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115880.0U CN213183889U (en) | 2020-09-23 | 2020-09-23 | Expander for automatically adjusting oil level in transformer oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115880.0U CN213183889U (en) | 2020-09-23 | 2020-09-23 | Expander for automatically adjusting oil level in transformer oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213183889U true CN213183889U (en) | 2021-05-11 |
Family
ID=75776106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022115880.0U Active CN213183889U (en) | 2020-09-23 | 2020-09-23 | Expander for automatically adjusting oil level in transformer oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213183889U (en) |
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2020
- 2020-09-23 CN CN202022115880.0U patent/CN213183889U/en active Active
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