CN215419308U - Tapered sleeve outgoing line connecting device in side surface of high-voltage switch cabinet - Google Patents
Tapered sleeve outgoing line connecting device in side surface of high-voltage switch cabinet Download PDFInfo
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- CN215419308U CN215419308U CN202121584842.8U CN202121584842U CN215419308U CN 215419308 U CN215419308 U CN 215419308U CN 202121584842 U CN202121584842 U CN 202121584842U CN 215419308 U CN215419308 U CN 215419308U
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- guide rod
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Abstract
The utility model discloses a connecting device for a tapered bushing lead-out wire in the side surface of a high-voltage switch cabinet, which relates to the technical field of lead-out wire connecting devices and comprises a connecting device body, wherein the connecting device body comprises an inner tapered insulator, one end of the inner tapered insulator is provided with a tapered part, the tapered part can be arranged in the inner tapered bushing, and the outer wall of the other end of the inner tapered insulator is provided with an insulating umbrella skirt; a hollow cavity is arranged in the inner conical insulator, a fixed guide rod capable of conducting electricity is arranged in the hollow cavity, one end of the fixed guide rod can be connected with the conductor on the inner conical sleeve, and the other end of the fixed guide rod can extend out of the inner conical insulator and is connected with the conductor; and the fixed guide rod is provided with a fixed nut. The utility model realizes the high-voltage extraction and current conduction of the side-out inner conical sleeve, and is simple, convenient and reliable.
Description
Technical Field
The utility model relates to the technical field of lead wire connecting devices, in particular to a connecting device for a tapered sleeve lead wire in the side surface of a high-voltage switch cabinet.
Background
Inflatable high tension switchgear develops in recent years, and the cellular switch cabinet is many, because side formula bus connection is simple reliable, and the cost is cheap, so the market volume is very big, can carry out electric property detection through corresponding insulating shutoff is sealed before leaving the factory, but because quality accident is on a large side now, detects more and more strictly.
Therefore, it is desirable to provide a new type of outlet device to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connecting device for a tapered sleeve outgoing line in the side surface of a high-voltage switch cabinet, which solves the problems in the prior art, realizes high-voltage outgoing and current conduction of a side-out inner tapered sleeve, and is simple, convenient and reliable.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides a connecting device for a tapered sleeve outgoing line in a side surface of a high-voltage switch cabinet, which comprises a connecting device body, wherein the connecting device body comprises an inner tapered insulator, one end of the inner tapered insulator is provided with a tapered part, the tapered part can be arranged in the inner tapered sleeve, and the outer wall of the other end of the inner tapered insulator is provided with an insulating umbrella skirt; a hollow cavity is arranged in the inner conical insulator, a fixed guide rod capable of conducting electricity is arranged in the hollow cavity, one end of the fixed guide rod can be connected with the conductor on the inner conical sleeve, and the other end of the fixed guide rod can extend out of the inner conical insulator and is connected with the conductor; and the fixed guide rod is provided with a fixed nut.
Preferably, the inner conical insulator is made of insulating rubber, and the whole inner conical insulator is of a cylindrical structure.
Preferably, an outer shielding layer is arranged on the outer wall between the conical part and the insulating umbrella skirt on the inner conical insulator, the outer shielding layer is made by spraying conductive ink or compounding a layer of semi-conductive rubber, the two ends of the outer shielding layer are subjected to fillet treatment, and the fillet radius of one end is twice as large as that of the other end.
Preferably, an inner pressure equalizing layer is arranged on the inner wall of the inner cone-shaped insulator and is made by spraying conductive ink or compounding a layer of semi-conductive rubber.
Preferably, the insulating shed is made of insulating rubber, and the insulating shed and the inner conical insulator are integrally formed; or the insulating umbrella skirt and the inner conical insulator are arranged in a split mode, and the insulating umbrella skirt is installed on the inner conical insulator.
Preferably, an internal thread fixing hole is formed in one surface, close to the inner conical insulator, of the inner conical sleeve, and the inner conical sleeve is fixed to the metal plate surface through a bolt.
Preferably, the electric conductor on the inner conical sleeve is a spherical electric conductor.
Preferably, the fixed guide rod is made of metal materials, one end of the fixed guide rod is machined into a spherical open slot, the spherical open slot is clamped on the spherical conductor of the inner conical sleeve, and the other end of the fixed guide rod is provided with internal threads for connecting the conductor.
Preferably, one end, far away from the spherical open slot, of the fixed guide rod is a straight rod, and an external thread is arranged on the position, close to a hollow cavity outlet of the inner cone-shaped insulator, of the straight rod and used for installing the fixing nut.
Preferably, a fixing hole is formed in the position, extending out of the hollow cavity of the inner conical insulator, of the straight rod.
Compared with the prior art, the utility model has the following beneficial technical effects:
the tapered sleeve outgoing line connecting device in the side surface of the high-voltage switch cabinet provided by the utility model realizes voltage application from the side surface and current conduction, can realize detection of a single switch cabinet, can also realize direct test of the electrical performance of the bus side, and is simple, reliable and convenient.
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 a tapered bushing lead-out wire connecting device in the side surface of a high-voltage switch cabinet in the utility model;
FIG. 2 is an exploded view of the tapered bushing lead-out wire connection device in the side surface of the high-voltage switch cabinet according to the present invention;
in the figure: 1-inner cone-shaped sleeve, 2-fixed guide rod, 3-insulating umbrella skirt, 4-inner cone-shaped insulator, 5-fixed nut, 6-internal thread, 7-spherical conductor, 8-internal thread fixed hole, 9-spherical open slot, 10-outer shielding layer, 11-fixed hole and 12-inner uniform pressure layer.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide a connecting device for a tapered sleeve outgoing line in the side surface of a high-voltage switch cabinet, which solves the problems in the prior art, realizes high-voltage outgoing and current conduction of a side-out inner tapered sleeve, and is simple, convenient and reliable.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-2, the embodiment provides a connection device for a tapered bushing outgoing line in a side surface of a high-voltage switch cabinet, which includes a connection device body, the connection device body includes an inner tapered insulator 4, one end of the inner tapered insulator 4 is provided with a tapered portion, the tapered portion can be installed in the inner tapered bushing 1, and an insulating shed 3 is arranged on an outer wall of the other end of the inner tapered insulator 4; a hollow cavity is arranged in the inner conical insulator 4, a fixed guide rod 2 capable of conducting electricity is arranged in the hollow cavity, one end of the fixed guide rod 2 can be connected with the conductor on the inner conical sleeve 1, and the other end of the fixed guide rod can extend out of the inner conical insulator 4 and is connected with the conductor; the fixed guide rod 2 is provided with a fixed nut 5.
In the present embodiment, the inner tapered insulator 4 is made of insulating rubber, and the inner tapered insulator 4 has a cylindrical structure as a whole.
In this embodiment, the outer wall between the tapered portion of the inner tapered insulator 4 and the insulating shed 3 is provided with an outer shielding layer 10, the two ends of the outer shielding layer 10 are rounded by 1R and 2R, and the size of the R corner can meet the requirements of the shielding electric field and the partial discharge according to actual processing. Moreover, an inner voltage-sharing layer 12 is arranged on the inner wall of the inner conical insulator 4, the inner voltage-sharing layer 12 is made by spraying conductive ink or compounding a layer of semi-conductive rubber, the inner voltage-sharing layer 12 and the inner conical insulator 4 are integrally formed, and the internal electric field is uniform.
In this embodiment, the inner voltage-equalizing layer 12 and the outer shielding layer 10 may not be provided according to the voltage requirement.
In the embodiment, the insulating shed 3 is made of insulating rubber, and the insulating shed 3 and the inner cone-shaped insulator 4 can be integrally formed through mould modification; or the insulating shed 3 and the inner conical insulator 4 are arranged in a split mode, and the insulating shed 3 is mounted on the inner conical insulator 4, so that the requirement of insulating creepage distance is met.
In this embodiment, an internal thread fixing hole 8 is formed in one surface of the inner conical sleeve 1, which is close to the inner conical insulator 4, and the inner conical sleeve 1 is fixed on the metal plate surface through a bolt, so that reliable fixing is realized.
In this embodiment, the conductor on the inner conical sleeve 1 is a spherical conductor 7, the fixed guide rod 2 is made of a metal material, and can realize current transmission, one end of the fixed guide rod 2 is machined into a spherical open slot 9, the spherical open slot 9 is clamped on the spherical conductor 7 of the inner conical sleeve 1, so that the fixed guide rod 2 is in contact with the spherical conductor 7, and current transmission is realized; the other end of the fixed guide rod 2 is provided with an internal thread 6 which can be connected with any conductor to realize current transmission.
In this embodiment, one end of the fixed guide rod, which is far away from the spherical open slot 9, is a straight rod, and an external thread is arranged on the straight rod at a position close to the hollow cavity outlet of the inner cone-shaped insulator 4, so as to install the fixing nut 5, and the fixing nut 5 is rotated by a wrench, so that the inner cone-shaped insulator 4 can be tightly fixed on the inner cone-shaped sleeve 1.
In this embodiment, the position where the straight rod extends out of the hollow cavity of the inner conical insulator 4 is provided with a fixing hole 11, and the fixing hole 11 is fixed by a tool to prevent the fixed guide rod 2 from rotating, so as to realize the close contact and current transmission between the inner conical insulator 4 and the inner conical sleeve 1.
In this embodiment, the outer shielding layer 10 may be grounded to implement the partial discharge test.
The principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (10)
1. The utility model provides a toper sleeve pipe lead-out wire connecting device in high tension switchgear side which characterized in that: the connecting device comprises a connecting device body, wherein the connecting device body comprises an inner conical insulator, one end of the inner conical insulator is provided with a conical part, the conical part can be installed in an inner conical sleeve, and the outer wall of the other end of the inner conical insulator is provided with an insulating umbrella skirt; a hollow cavity is arranged in the inner conical insulator, a fixed guide rod capable of conducting electricity is arranged in the hollow cavity, one end of the fixed guide rod can be connected with the conductor on the inner conical sleeve, and the other end of the fixed guide rod can extend out of the inner conical insulator and is connected with the conductor; and the fixed guide rod is provided with a fixed nut.
2. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 1, wherein: the inner conical insulator is made of insulating rubber, and the whole inner conical insulator is of a cylindrical structure.
3. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 1, wherein: an outer shielding layer is arranged on the outer wall between the conical part and the insulating umbrella skirt on the inner conical insulator, the outer shielding layer is made by spraying conductive ink or compounding a layer of semi-conductive rubber, the two ends of the outer shielding layer are subjected to fillet treatment, and the radius of a fillet at one end is twice that of the other end; the outer shield can be grounded.
4. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 1, wherein: and an inner voltage-equalizing layer is arranged on the inner wall of the inner conical insulator and is prepared by spraying conductive ink or compounding a layer of semi-conductive rubber.
5. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 2, wherein: the insulating shed is made of insulating rubber, and the insulating shed and the inner conical insulator are integrally formed; or the insulating umbrella skirt and the inner conical insulator are arranged in a split mode, and the insulating umbrella skirt is installed on the inner conical insulator.
6. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 1, wherein: and one surface of the inner conical sleeve, which is close to the inner conical insulator, is provided with an internal thread fixing hole, and the inner conical sleeve is fixed on the metal plate surface through a bolt.
7. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 1, wherein: the electric conductor on the inner conical sleeve is a spherical electric conductor.
8. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 7, wherein: the fixed guide rod is made of metal materials, one end of the fixed guide rod is machined into a spherical open slot, the spherical open slot is clamped on the spherical conductor of the inner conical sleeve, and the other end of the fixed guide rod is provided with internal threads for connecting the conductor.
9. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 8, wherein: the end, far away from the spherical open slot, of the fixed guide rod is a straight rod, and external threads are arranged at the position, close to the hollow cavity outlet of the inner cone-shaped insulator, of the straight rod and used for installing the fixing nut.
10. The tapered bushing lead-out wire connecting device in the side surface of the high-voltage switch cabinet as claimed in claim 9, wherein: and a fixing hole is formed in the position, extending out of the hollow cavity of the inner conical insulator, of the straight rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584842.8U CN215419308U (en) | 2021-07-13 | 2021-07-13 | Tapered sleeve outgoing line connecting device in side surface of high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584842.8U CN215419308U (en) | 2021-07-13 | 2021-07-13 | Tapered sleeve outgoing line connecting device in side surface of high-voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN215419308U true CN215419308U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121584842.8U Active CN215419308U (en) | 2021-07-13 | 2021-07-13 | Tapered sleeve outgoing line connecting device in side surface of high-voltage switch cabinet |
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| CN (1) | CN215419308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381334A (en) * | 2021-07-13 | 2021-09-10 | 湖北英华锐博电气设备有限公司 | Tapered sleeve outgoing line connecting device in side surface of high-voltage switch cabinet |
-
2021
- 2021-07-13 CN CN202121584842.8U patent/CN215419308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381334A (en) * | 2021-07-13 | 2021-09-10 | 湖北英华锐博电气设备有限公司 | Tapered sleeve outgoing line connecting device in side surface of high-voltage switch cabinet |
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