CN210325478U - Transformer sleeve for power transformation - Google Patents
Transformer sleeve for power transformation Download PDFInfo
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- CN210325478U CN210325478U CN201921736607.0U CN201921736607U CN210325478U CN 210325478 U CN210325478 U CN 210325478U CN 201921736607 U CN201921736607 U CN 201921736607U CN 210325478 U CN210325478 U CN 210325478U
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- connecting disc
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- bushing
- ceramic sleeve
- disc
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Abstract
The utility model discloses a transformer bushing for power transformation, which comprises a ceramic bushing, a connecting disc A, a connecting disc B and a fixed disc; a copper guide rod vertically penetrates through the middle of the inner cavity of the ceramic sleeve, sealing rubber tubes are inserted into the inner walls of the top and the bottom of the inner cavity of the ceramic sleeve, a connecting disc B and a connecting disc A are arranged at the top and the bottom of the ceramic sleeve respectively, and a fixed disc is fixedly clamped below the middle of the ceramic sleeve; sealing rubber rings B are arranged between the ceramic sleeve and the connecting disc B and between the ceramic sleeve and the connecting disc A, and a wiring terminal A and a wiring terminal B are fixedly arranged in the middle of the connecting disc A and the connecting disc B respectively. The utility model discloses for traditional ceramic bushing, this device adopts binding post and copper guide arm butt joint at the in-process of in-service use, then is connected to the conducting mode on the binding post with the wire for ceramic bushing's is sealed easier, and can have better sealing performance.
Description
Technical Field
The utility model relates to a transformer bushing technical field specifically is a transformer bushing for transformer.
Background
The transformer bushing is an insulation component on a transformer, and the purpose of the transformer bushing is to completely insulate a transformer outgoing line from a transformer shell.
The traditional transformer sleeves are divided into three types, one type is a pure ceramic sleeve and is mainly used for transformers of 10kV and below; one is an oil-filled casing pipe which is mostly used in 35kV level transformers; another type is condenser bushings for high voltage transformers above 100 kV.
The oil-filled sleeve and the capacitive sleeve in the three types of transformer sleeves have good sealing performance, so that the three types of transformer sleeves have good insulating performance, but the traditional pure porcelain sleeve directly adopts a copper guide rod to penetrate through the inner cavity of the sleeve in the actual use process, and the two ends of the copper guide rod are fixed by nuts.
In order to solve the above problem, the utility model provides a transformer bushing for transformer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer bushing for transformer has solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a transformer bushing for power transformation comprises a ceramic bushing, a connecting disc A, a connecting disc B and a fixed disc;
a copper guide rod vertically penetrates through the middle of the inner cavity of the ceramic sleeve, sealing rubber tubes are inserted into the inner walls of the top and the bottom of the inner cavity of the ceramic sleeve, a connecting disc B and a connecting disc A are arranged at the top and the bottom of the ceramic sleeve respectively, and a fixed disc is fixedly clamped below the middle of the ceramic sleeve;
sealing rubber rings B are arranged between the ceramic sleeve and the connecting disc B as well as between the ceramic sleeve and the connecting disc A, a wiring terminal A and a wiring terminal B are respectively and fixedly penetrated in the middle parts of the connecting disc A and the connecting disc B, the wiring terminal A and the wiring terminal B are both inserted into the inner cavity of the ceramic sleeve towards one end of the ceramic sleeve, and the connecting disc A and the connecting disc B are both fixedly connected with the ceramic sleeve through connecting bolts;
the waterproof rubber pad is fixedly bonded at the bottom of the fixed disk, the left side and the right side of the fixed disk are symmetrically and vertically penetrated by fixing bolts, and the two groups of fixing bolts vertically penetrate through the waterproof rubber pad.
As a preferred embodiment of the present invention, the top and the bottom of the copper guide rod respectively penetrate through the middle of the inner cavity of the two sets of sealing rubber tubes.
As a preferred embodiment of the present invention, the inner wall of the inner cavity of the ceramic sleeve is provided with a plurality of grooves, and the grooves are specifically a plurality of groups.
As a preferred embodiment of the present invention, the terminal a and the terminal B are both connected with a terminal bolt by a transverse thread.
As a preferred embodiment of the present invention, the terminal a and the terminal B are connected to the bottom and the top of the copper guide rod, respectively, toward the end of the ceramic bushing.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model relates to a transformer bushing for transformer, for traditional ceramic bushing, this device adopts binding post and copper guide arm butt joint at the in-process of in-service use, then is connected to the electrically conductive mode on the binding post with the wire for ceramic bushing's sealed easier, and can have better sealing performance.
2. The utility model relates to a transformer bushing for transformer, sealing rubber circle A and sealing rubber circle B can effectually carry out effectual sealing to being connected between connection pad A, connection pad B, binding post A, binding post B and the ceramic sleeving for the outside moisture of ceramic sleeving is seamless can go into, has further increased ceramic sleeving's insulating properties.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a front sectional view of a transformer bushing for power transformation according to the present invention;
fig. 2 is a top view of the transformer bushing for power transformation of the present invention.
In the figure: sealing rubber ring A1, connecting terminal A2, connecting disc A3, sealing rubber ring B4, connecting bolt 5, waterproof rubber pad 6, copper guide rod 7, fixing bolt 8, ceramic sleeve 9, sealing rubber tube 10, groove 11, connecting terminal B12, connecting disc B13, connecting bolt 14 and fixing disc 15.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a transformer bushing for power transformation comprises a ceramic bushing 9, a connecting disc A3, a connecting disc B13 and a fixed disc 15;
a copper guide rod 7 vertically penetrates through the middle of an inner cavity of the ceramic sleeve 9, sealing rubber tubes 10 are inserted into the inner walls of the top and the bottom of the inner cavity of the ceramic sleeve 9, a connecting disc B13 and a connecting disc A3 are respectively arranged at the top and the bottom of the ceramic sleeve 9, and a fixed disc 15 is fixedly clamped below the middle of the ceramic sleeve 9;
sealing rubber rings B4 are arranged between the ceramic bushing 9 and the connecting disc B13 and between the ceramic bushing and the connecting disc A3, a connecting terminal A2 and a connecting terminal B12 are fixedly arranged in the middle of the connecting disc A3 and the connecting disc B13 respectively, one ends of the connecting terminal A2 and the connecting terminal B12, which face the ceramic bushing 9, are inserted into an inner cavity of the ceramic bushing 9, and the connecting disc A3 and the connecting disc B13 are fixedly connected with the ceramic bushing 9 through connecting bolts 5;
Wherein, the top and the bottom of the copper guide rod 7 respectively penetrate through the middle parts of the inner cavities of the two groups of sealing rubber tubes 10.
The inner wall of the inner cavity of the ceramic bushing 9 is provided with a plurality of grooves 11, and the grooves 11 are specifically a plurality of groups.
And the wiring terminal A2 and the wiring terminal B12 are transversely and threadedly connected with wiring bolts 14.
Wherein, the end of the connecting terminal A2 and the connecting terminal B12 facing the ceramic bushing 9 are respectively connected with the bottom and the top of the copper guide rod 7.
It should be noted that, the utility model relates to a transformer bushing for transformer, including sealing rubber circle A1, binding post A2, connection pad A3, sealing rubber circle B4, connecting bolt 5, waterproof rubber pad 6, copper guide rod 7, fixing bolt 8, ceramic bushing 9, sealing rubber tube 10, recess 11, binding post B12, connection pad B13, binding bolt 14, fixed disk 15, the part is the general standard part or the part that technical personnel in the field know, its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.
The working principle is that the connecting pad A3 and the connecting pad B13 are respectively fixedly installed at the bottom and the top of the ceramic bushing 9 through the connecting bolt 5, so that the connecting terminal A2 and the connecting terminal B12 are connected with the copper guide rod 7, then the bottom of the ceramic bushing 9 is inserted into a wiring hole on the transformer, so that the fixed disc 15 is positioned on the surface of the transformer shell, then the fixed disc 15 is fixed on the surface of the transformer shell through the fixing bolt 8, so that the ceramic bushing 9 can be fixed on the transformer, then the external lead of the transformer and the internal lead of the transformer are respectively connected to the connecting terminal B12 and the connecting terminal A2 through the wiring bolt 14, so that the installation work of the device can be completed, compared with the traditional ceramic bushing 9, in the actual use process of the device, the connecting terminals are butted with the copper guide rod, make ceramic bushing 9's sealed easier, and can have more excellent sealing performance, simultaneously, sealing rubber circle A1 and sealing rubber circle B4 can be effectual carry out effectual sealed to connecting pad A3, connecting pad B13, binding post A2, binding post B12 and the connection between ceramic bushing 9 for the outside moisture of ceramic bushing 9 can be gone into seamlessly, has further increased ceramic bushing 9's insulating properties.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A transformer bushing for power transformation is characterized by comprising a ceramic bushing (9), a connecting disc A (3), a connecting disc B (13) and a fixed disc (15);
a copper guide rod (7) vertically penetrates through the middle of an inner cavity of the ceramic sleeve (9), sealing rubber tubes (10) are inserted into the inner walls of the top and the bottom of the inner cavity of the ceramic sleeve (9), a connecting disc B (13) and a connecting disc A (3) are respectively arranged at the top and the bottom of the ceramic sleeve (9), and a fixed disc (15) is fixedly clamped below the middle of the ceramic sleeve (9);
sealing rubber rings B (4) are arranged between the ceramic sleeve (9) and the connecting disc B (13) and between the connecting disc A (3), a wiring terminal A (2) and a wiring terminal B (12) are respectively and fixedly penetrated in the middle of the connecting disc A (3) and the connecting disc B (13), one ends of the wiring terminal A (2) and the wiring terminal B (12) facing the ceramic sleeve (9) are respectively inserted into the inner cavity of the ceramic sleeve (9), and the connecting disc A (3) and the connecting disc B (13) are both fixedly connected with the ceramic sleeve (9) through connecting bolts (5);
the waterproof rubber pad (6) is fixedly bonded at the bottom of the fixed disc (15), the left side and the right side of the fixed disc (15) are symmetrically and vertically penetrated by fixing bolts (8), and the two groups of fixing bolts (8) vertically penetrate through the waterproof rubber pad (6).
2. A transformer bushing for power transformation according to claim 1, wherein: the top and the bottom of the copper guide rod (7) respectively penetrate through the middle parts of the inner cavities of the two groups of sealing rubber tubes (10).
3. A transformer bushing for power transformation according to claim 1, wherein: the inner wall of the inner cavity of the ceramic bushing (9) is provided with a plurality of grooves (11), and the grooves (11) are specifically a plurality of groups.
4. A transformer bushing for power transformation according to claim 1, wherein: and the wiring terminal A (2) and the wiring terminal B (12) are connected with wiring bolts (14) through transverse threads.
5. A transformer bushing for power transformation according to claim 1, wherein: and one end of the wiring terminal A (2) and one end of the wiring terminal B (12) facing the ceramic bushing (9) are respectively connected with the bottom and the top of the copper guide rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736607.0U CN210325478U (en) | 2019-10-16 | 2019-10-16 | Transformer sleeve for power transformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736607.0U CN210325478U (en) | 2019-10-16 | 2019-10-16 | Transformer sleeve for power transformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210325478U true CN210325478U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921736607.0U Active CN210325478U (en) | 2019-10-16 | 2019-10-16 | Transformer sleeve for power transformation |
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| CN (1) | CN210325478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113096925A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司广州供电局 | Power transformer suitable for guide rod type sleeve |
-
2019
- 2019-10-16 CN CN201921736607.0U patent/CN210325478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113096925A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司广州供电局 | Power transformer suitable for guide rod type sleeve |
| CN113096925B (en) * | 2021-03-31 | 2023-03-28 | 广东电网有限责任公司广州供电局 | Power transformer suitable for guide rod type sleeve |
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