CN216085356U - Uninterrupted power auxiliary expansion device for secondary terminal block of transformer substation - Google Patents
Uninterrupted power auxiliary expansion device for secondary terminal block of transformer substation Download PDFInfo
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- CN216085356U CN216085356U CN202121697436.2U CN202121697436U CN216085356U CN 216085356 U CN216085356 U CN 216085356U CN 202121697436 U CN202121697436 U CN 202121697436U CN 216085356 U CN216085356 U CN 216085356U
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- insulating
- secondary terminal
- terminal block
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Abstract
The utility model discloses a substation secondary terminal strip uninterrupted power auxiliary expansion device which comprises an insulation screw type screw, an adapter and an insulation expansion assembly, wherein the insulation expansion assembly comprises an expansion main body and an expansion connecting piece arranged in the expansion main body; the insulating screw is connected with the adapter, and the adapter is electrically connected with the main connecting part; through setting up insulating extension subassembly, insulating extension subassembly through the switching hole with the adapter is connected, the adapter passes through insulating formula screw of twisting with the terminal row is connected, then provides a plurality of equipotential power supply ends through a plurality of extension holes of insulating extension subassembly, makes things convenient for electric power construction. The device is widely applicable to uninterrupted operation places where national grids are pushed vigorously, uninterrupted maintenance of equipment can be achieved, and meanwhile the risk of live working can be greatly reduced.
Description
Technical Field
The utility model relates to the technical field of electrical components of an electric power system, in particular to a secondary terminal strip uninterrupted power auxiliary expansion device of a transformer substation.
Background
The operation of the loop of the power system is very critical, but is very complicated, and once the loop is careless, the relay protection device can be caused to be in short circuit or malfunction, so that the power grid is broken down, and the safe operation of the whole power system is seriously threatened. The terminal block is an important electrical component with high use efficiency, and is used for connecting lines of equipment inside and outside the screen, providing a convenient operating point, facilitating wiring among the screens and performing related work such as maintenance or troubleshooting on a loop.
At present, when a power system loop works, a lead on a terminal strip is frequently disconnected, but related equipment is powered off, in order to prevent the power-off site of the equipment, sometimes an adjacent terminal strip is used, but in practice, the adjacent terminal strip adjacent to a terminal strip with a potential is connected with a wire, and no redundant empty terminal strip is used as an extension terminal of the terminal strip with the potential, so that the power failure treatment is required on the site, the power failure time is prolonged, the power supply reliability is reduced, and the principle of 'uninterrupted work' pushed by a power grid is not met in China.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the related art, the utility model provides a secondary terminal strip uninterrupted power auxiliary expansion device for a transformer substation, which can solve the problems.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a secondary terminal of transformer substation row does not cut off power supply and assists extension device, includes:
an insulating screw-on screw comprising a first connection section and a second connection section for connection with the terminal block;
the adapter comprises an adapter body, a first adapter part arranged at one end of the adapter body and a second adapter part arranged at the other end of the adapter body;
the insulation expansion assembly comprises an expansion main body and an expansion connecting piece arranged in the expansion main body, wherein one end of the expansion main body is provided with a switching hole, the other end of the expansion main body is provided with at least two expansion holes communicated with the switching hole, and the expansion connecting piece comprises a main connecting part extending into the switching hole and branch connecting parts extending into the expansion hole respectively;
the insulating screw-on type screw passes through the first connecting section with the first switching portion electric connection of adapter, the second switching portion of adapter set up in the extension hole and with main connecting portion electric connection.
In the secondary terminal of transformer substation row does not cut off power supply and assists extension fixture that this application embodiment provided, insulating formula screw is twisted be equipped with in the first linkage segment and lead the hole, the first switching portion of adapter set up in leading the hole and with first linkage segment electric connection.
In the uninterrupted power auxiliary expansion device of transformer substation secondary terminal row that this application embodiment provided, be equipped with in the extension main part with the first recess of switching hole intercommunication is equipped with first buckle in the first recess.
In the uninterrupted power auxiliary expansion device of the secondary terminal strip of the transformer substation provided by the embodiment of the application, at least two second grooves are arranged on the expansion main body, each second groove is corresponding to and communicated with one expansion hole, and each second buckle is arranged in the second groove.
In the uninterrupted power auxiliary expanding device of the secondary terminal strip of the transformer substation provided by the embodiment of the application, the first buckle and/or the second buckle are made of pure copper, and an insulating layer is arranged on the surface of the first buckle and the surface of the second buckle.
In the uninterrupted power auxiliary expansion device of the secondary terminal block of the transformer substation provided by the embodiment of the application, the number of the expansion holes is 4.
In the uninterrupted power auxiliary expanding device of transformer substation secondary terminal row that this application embodiment provided, insulating formula screw week side is equipped with first insulating protective sheath.
In the uninterrupted power auxiliary expanding device of the secondary terminal block of the transformer substation provided by the embodiment of the application, a second insulating protective sleeve is arranged on the periphery of the adapter.
In the uninterrupted auxiliary expanding device for the secondary terminal block of the transformer substation, the expanding main body is made of transparent flame-retardant insulating plastic.
In the uninterrupted auxiliary expanding device for the secondary terminal block of the transformer substation, provided by the embodiment of the application, the expanding connecting piece is made of red copper.
The utility model has the beneficial effects that: this application is through setting up insulating extension subassembly, insulating extension subassembly through the switching hole with the adapter is connected, the adapter passes through insulating twist formula screw with the terminal row is connected, then provides a plurality of equipotential supply terminals through a plurality of extension holes of insulating extension subassembly, makes things convenient for electric power construction. The device is widely applicable to places where national grids are pushed to operate without power cut, can realize the maintenance of equipment without power cut, and can greatly reduce the risk of live working.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an uninterruptible auxiliary expansion device of a secondary terminal block of a transformer substation in an embodiment of the application;
fig. 2 is a schematic structural diagram of an insulating screw in an uninterruptible auxiliary expansion device of a secondary terminal block of a transformer substation in the embodiment of the present application;
fig. 3 is a schematic structural diagram of a transfer joint in an uninterruptible auxiliary expansion device of a secondary terminal block of a transformer substation in the embodiment of the present application;
fig. 4 is a front view of an insulation expansion assembly in an uninterruptible auxiliary expansion device of a substation secondary terminal block in the embodiment of the application;
fig. 5 is a top view of an insulation expansion assembly in an uninterruptible auxiliary expansion device of a substation secondary terminal block in the embodiment of the application;
fig. 6 is a left side view of an insulation expansion assembly in the uninterruptible auxiliary expansion device of the substation secondary terminal block in the embodiment of the application;
fig. 7 is a right side view of an insulation extension assembly in the uninterruptible auxiliary extension device of the substation secondary terminal block in the embodiment of the application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1 to 7, an uninterruptible auxiliary expansion device for a secondary terminal block of a substation according to an embodiment of the present invention includes:
an insulating screw 1, the insulating screw 1 comprising a first connecting section 11 and a second connecting section 12 for connection to the terminal block;
the adapter 2 comprises an adapter body 21, a first adapter part 22 arranged at one end of the adapter body 21 and a second adapter part 23 arranged at the other end of the adapter body 21;
the insulation expansion assembly 3 comprises an expansion main body 31 and an expansion connecting piece arranged in the expansion main body 31, wherein one end of the expansion main body 31 is provided with a transfer hole 311, the other end of the expansion main body 31 is provided with at least two expansion holes 312 communicated with the transfer hole 311, and the expansion connecting piece comprises a main connecting part extending into the transfer hole 311 and branch connecting parts respectively extending into the expansion holes 312;
the insulating screw-on screw 1 is electrically connected to the first switching portion 22 of the adapter 2 through the first connection section 11, and the second switching portion 23 of the adapter 2 is disposed in the expansion hole 312 and electrically connected to the main connection portion.
It can be understood that, at present, when working on a power system loop, wires on terminal rows are often disconnected, but this may cause power loss of relevant equipment, in order to prevent the power loss of the equipment, the adjacent terminal rows are sometimes used as the help of the adjacent terminal rows, but in practice, the adjacent terminal rows next to the terminal rows with potential are all wired, and there is no redundant empty terminal row as an extension terminal of the terminal rows with potential, so that power failure processing must be performed on the site, power failure time is increased, power supply reliability is reduced, and the principle of 'uninterrupted work' strongly pushed by the national grid is not met. In this embodiment, the secondary terminal of transformer substation row does not cut off power supply and assists extension device through setting up insulating extension subassembly, insulating extension subassembly through the switching hole with the switching head is connected, the switching head passes through insulating screw formula screw with the terminal row is connected, then provides a plurality of equipotential supply terminals through a plurality of extension holes of insulating extension subassembly, makes things convenient for electric power construction. The device is widely applicable to places where national grids are pushed to operate without power cut, can realize the maintenance of equipment without power cut, and can greatly reduce the risk of live working.
It should be noted that insulating screw type screw 1 include first linkage segment 11 and be used for with the second linkage segment 12 that the terminal row is connected, wherein, second linkage segment 12 be equipped with the external screw thread that the terminal row is connected, second linkage segment 12 with the terminal row can be fixed through threaded connection's mode, among the transformer substation secondary terminal row uninterrupted power auxiliary expansion device that this application provided, can be according to the interface of different terminal row specifications, the adaptation possesses not unidimensional screw type screw 1, improved transformer substation secondary terminal row uninterrupted power auxiliary expansion device's suitability.
In an embodiment, as shown in fig. 1-2, a conductive hole 111 is disposed in the first connection section 11 of the insulating screw 1, and the first adapter 22 of the adapter 2 is disposed in the conductive hole 111 and electrically connected to the first connection section 11.
It should be understood that the conductive hole 111 of the first connection section 11 and the first adapter 22 of the adapter 2 may be in an interference fit, so that the conductive hole 111 of the first connection section 11 and the first adapter 22 of the adapter 2 are tightly connected, and the conductive hole 111 of the first connection section 11 and the first adapter 22 of the adapter 2 may also be in other connection manners, which is not limited herein.
In an embodiment, as shown in fig. 1 to 7, a first groove communicating with the transfer hole 311 is formed on the extension main body 31, and a first buckle (not shown) is disposed in the first groove.
It is understood that the first buckle is used to fix and electrically connect the main connection portion of the expansion connector and the second adaptor portion 23 of the adapter 2, specifically, when the first buckle is pressed, the opening of the first buckle moves downward into the adaptor hole 311, so that the second adaptor portion 23 of the adapter 2 can pass through the adaptor hole 311 to be in contact connection with the main connection portion, and when the first buckle is reset, the second adaptor portion 23 is pressed, so that the main connection portion and the second adaptor portion 23 are electrically connected, of course, the first buckle may also be in other forms of structures to achieve the above effects, which is not limited herein.
In an embodiment, as shown in fig. 1 to 7, at least two second grooves are disposed on the expansion main body 31, each of the second grooves corresponds to and communicates with one of the expansion holes 312, and a second buckle (not shown) is disposed in each of the second grooves;
it can be understood that the second buckle is used for fixing and electrically connecting the branch connection portion of the expansion connection member and the trace to be connected, and the specific structural principle may refer to the first buckle, which is not described herein again. It should be noted that, a plurality of operating handles 315 are disposed on the expansion main body 31, each of the second buckle and the first buckle corresponds to one operating handle 315, and the operating handles 315 are used for pressing the second buckle or the first buckle to compress or reset the second buckle or the first buckle.
In an embodiment, the first clip and/or the second clip are made of pure copper, and an insulating layer is disposed on a surface of the first clip and a surface of the second clip.
In an embodiment, the number of extension hole 312 is 4, insulating formula screw 1 week side of screwing is equipped with first insulating protective sheath, adapter 2 week side is equipped with the insulating protective sheath of second, first insulating protective sheath with the insulating protective sheath of second is used for making insulating formula screw 1 with adapter 2 is insulating with the outside, and the same reason, the material of extension main part 31 is transparent fire-retardant insulating plastics, the material of extension connecting piece be red copper, in order to improve the electric conductivity of extension connecting piece.
To sum up, this application is through setting up insulating extension subassembly, insulating extension subassembly through the switching hole with the adapter is connected, the adapter passes through insulating formula screw of twisting with the terminal row is connected, then provides a plurality of equipotential supply terminals through a plurality of extension holes of insulating extension subassembly, makes things convenient for electric power construction. The device is widely applicable to places where national grids are pushed to operate without power cut, can realize the maintenance of equipment without power cut, and can greatly reduce the risk of live working.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a secondary terminal of transformer substation row does not cut off power supply and assists extension device which characterized in that includes:
an insulating screw (1), the insulating screw (1) comprising a first connecting section (11) and a second connecting section (12) for connecting to the terminal block;
the adapter (2), the adapter (2) comprises an adapter body (21), a first adapter part (22) arranged at one end of the adapter body (21), and a second adapter part (23) arranged at the other end of the adapter body (21);
the insulation expansion assembly (3) comprises an expansion main body (31) and an expansion connecting piece (32) arranged in the expansion main body (31), one end of the expansion main body (31) is provided with a transfer hole (311), the other end of the expansion main body (31) is provided with at least two expansion holes (312) communicated with the transfer hole (311), and the expansion connecting piece (32) comprises a main connecting part (321) extending into the transfer hole (311) and branch connecting parts (322) respectively extending into the expansion holes (312);
wherein, insulating screw-on screw (1) pass through first linkage segment (11) with first switching portion (22) electric connection of adapter (2), second switching portion (23) of adapter (2) set up in expansion hole (312) and with main connecting portion (321) electric connection.
2. The substation secondary terminal block uninterruptible power auxiliary expansion device according to claim 1, wherein a conduction hole (111) is provided in the first connection section (11) of the insulating screw type screw (1), and the first adapter portion (22) of the adapter (2) is disposed in the conduction hole (111) and electrically connected to the first connection section (11).
3. The substation secondary terminal block uninterrupted power auxiliary expansion device according to claim 1, wherein a first groove (313) communicated with the transfer hole (311) is formed in the expansion main body (31), and a first buckle is arranged in the first groove (313).
4. The substation secondary terminal block uninterrupted power auxiliary expansion device according to claim 3, wherein the expansion body (31) is provided with at least two second grooves (314), each second groove (314) corresponds to and communicates with one expansion hole (312), and a second buckle is arranged in each second groove (314).
5. The substation secondary terminal block uninterrupted power auxiliary expansion device according to claim 4, wherein the material of the first snap and/or the second snap is pure copper, and an insulating layer is arranged on the surface of the first snap and the second snap.
6. The substation secondary terminal block uninterruptible auxiliary expansion device according to claim 1, characterized in that the number of expansion holes (312) is 4.
7. The uninterrupted auxiliary expanding device for the substation secondary terminal block according to claim 1, characterized in that a first insulating protective sleeve is arranged on the periphery of the insulating screw (1).
8. The uninterrupted auxiliary expansion device for the substation secondary terminal block according to claim 1, characterized in that a second insulating protective sleeve is arranged on the periphery of the adapter (2).
9. The substation secondary terminal block uninterruptible power auxiliary expansion device according to claim 1, wherein the material of the expansion body (31) is transparent flame retardant insulating plastic.
10. The uninterrupted auxiliary extension device for the substation secondary terminal block according to claim 1, characterized in that the extension connecting piece (32) is made of red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121697436.2U CN216085356U (en) | 2021-07-26 | 2021-07-26 | Uninterrupted power auxiliary expansion device for secondary terminal block of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121697436.2U CN216085356U (en) | 2021-07-26 | 2021-07-26 | Uninterrupted power auxiliary expansion device for secondary terminal block of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216085356U true CN216085356U (en) | 2022-03-18 |
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ID=80666367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121697436.2U Active CN216085356U (en) | 2021-07-26 | 2021-07-26 | Uninterrupted power auxiliary expansion device for secondary terminal block of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216085356U (en) |
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2021
- 2021-07-26 CN CN202121697436.2U patent/CN216085356U/en active Active
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