CN2627669Y - Cable joint - Google Patents
Cable joint Download PDFInfo
- Publication number
- CN2627669Y CN2627669Y CN 03244312 CN03244312U CN2627669Y CN 2627669 Y CN2627669 Y CN 2627669Y CN 03244312 CN03244312 CN 03244312 CN 03244312 U CN03244312 U CN 03244312U CN 2627669 Y CN2627669 Y CN 2627669Y
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- CN
- China
- Prior art keywords
- shape
- adapter
- layer
- cavity
- insulating layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a cable joint, which consists of a T-shaped insulating layer with a T-shaped empty cavity inside, wherein one top terminal can be connected with electric apparatus; an external semi-conductive layer positioned outside the T-shaped insulating layer; a choke plug positioned at the top part of the T-shaped empty cavity and with a shape corresponding to the shape of the empty cavity; an internal semi-conductive layer positioned in the T-shaped empty cavity and extending from the top to the middle part of the T-shaped empty cavity; a compressing hardware fitting positioned in the internal semi-conductive layer; a supporting core rope positioned in the middle part of the T-shaped empty cavity, with one part positioned inside the T-shaped insulating layer and another part positioned in the internal semi-conductive layer; a main insulating layer of adapter positioned in the middle part of the T-shaped empty cavity and extending from the aperture in the middle part of the T-shaped empty cavity to meet the internal semi-conductive layer; a stress control layer positioned in the main insulating layer of adapter and extending inwards from the aperture in the middle part of the T-shaped empty cavity, with a length shorter than that of the main insulating layer of adapter; and an adapter supporting core rope positioned in the main insulating layer of adapter. The adapter of one model number of the utility model can cover a plurality of cable cross-sections.
Description
Technical field
The utility model relates to a kind of cable joint, relates in particular to the forceful electric power cable of a shielding of a kind of connection and the cable joint of an electric equipment.
Background technology
For forceful electric power cable and electric equipment are joined, as joining with a transformer or a station power distribution device, a common cable joint has 1 prefabricated T shape insulator, for different cable cross-section, require the prefabricated insulator of different corresponding sizes, so just must make insulating sleeve keep the insulating material of the different size of adequate thickness.The joint that now uses on the market is the prefabricated connect-disconnect plug, and each cross-section of cable must have a kind of model corresponding.
Summary of the invention
The purpose of this utility model provides a kind of cable joint, adopt cold-shrink technology, this technology is that a prefabricated insulating material is expanded on the supporting-core rope, when mounted the supporting-core rope is extracted out, insulating material relies on the spring function of self, and be fitted on the cable with the radial compaction power that keeps, make a kind of adapter of model can cover several cross-sections of cable.
In order to achieve the above object, the following technical scheme of the bright employing of way:
A kind of cable joint comprises:
T shape insulator layer, described T shape insulator layer inside is the cavity of a T shape, an end of described T shape insulator head can be connected with electric equipment;
Outer semiconductor layer is positioned at the outside of described T shape insulator layer;
Insulation silently is positioned at the top of described T shape cavity, and shape conforms to cavity shape;
Inner semiconductor layer is positioned at described T shape cavity, extends to the middle part of T shape cavity from the top of T shape cavity, and length is less than described T shape insulator layer;
Crimping armor clamp is positioned at described inner semiconductor layer, and diameter and length are all less than described inner semiconductor layer;
The supporting-core rope, described supporting-core rope is positioned at the middle part of described T shape cavity, and part is positioned at the inboard of described T shape insulator layer, and part is positioned at the inboard of described inner semiconductor layer, is the hard hollow pipe, supports described T shape insulator layer and described inner semiconductor layer, can take out;
Adapter comprises,
The adapter main insulating layer is positioned at the middle part of described T shape cavity, from the intermediate openings of T shape cavity extend to described in semi-conductive layer intersect, make by elastomeric material;
Stress control layer is positioned at described adapter main insulating layer inboard, extends internally from the intermediate openings of T shape cavity, and its length is made by elastomeric material less than described adapter main insulating layer;
Adapter supporting-core rope, adapter supporting-core rope is the hard hollow pipe being positioned at described adapter main insulating layer inboard, supports described adapter, described adapter supporting-core rope can be taken out from adapter.
Description of drawings
Fig. 1 is the structural representation after cable joint of the present utility model is put into cable;
Fig. 2 is that cable joint of the present utility model is put into cable and is installed in structural representation on the electric equipment;
Fig. 3 is the T shape insulator of cable joint of the present utility model and the structural representation of interior semi-conductive layer;
Fig. 4 is the schematic diagram after the adapter of cable joint of the present utility model is put into adapter supporting-core rope;
Fig. 5 is the schematic diagram after the T shape insulator of cable joint of the present utility model and inner semiconductor layer are put into the supporting-core rope.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing,
Fig. 1 is the structural representation after cable joint of the present utility model is put into cable, 1 is inner semiconductor layer among the figure, 2 is crimping armor clamp, 3 is cable conductor, and 4 is T shape insulator layer, and 5 is cable main insulation, 6 is outer semiconductor layer, 7 is stress control layer, and 8 is the cable semi-conductive layer, and 10 is cable adaptor main insulation.As seen from the figure, the inside of T shape insulator layer 4 forms a T shape cavity; Inner semiconductor layer 1 is positioned at T shape cavity, extends to the middle part of T shape cavity from the top of T shape cavity; Outer semiconductor layer 6 is positioned at the outside of T shape insulator layer 4; Crimping armor clamp 2 is positioned at inner semiconductor layer 1, and diameter and length are all less than inner semiconductor layer 1, and crimping armor clamp 2 links to each other with cable conductor 3; Adapter main insulating layer 10 is positioned at the middle part of T shape cavity, extends to interior semi-conductive layer 1 from the intermediate openings of T shape cavity and intersects; Stress control layer 7 is positioned at adapter main insulating layer 10 inside, extends internally from the intermediate openings of T shape cavity, and its length is less than adapter main insulating layer 10; Cable is positioned at cable adaptor, but contacts with this joint with the different aspect of cable, is cable semi-conductive layer 8 in the porch of T shape cavity, and its length is less than stress control layer 7; Next be cable main insulating layer 5, cable main insulating layer 5 intersects with stress control layer 7, and will extend to beyond the adapter main insulating layer 10, but does not contact with crimping armor clamp 2; Cable conductor 3 stretches in the crimping armor clamp 2.
Fig. 2 is that cable joint of the present utility model is put into cable and is installed in structural representation on the electric equipment, compared to Figure 1, the parts of increase, 11 is the hold-down support of outside electric equipment, 12 is conducting rod, 13 is set bolt, 14 for insulation silently.Set bolt 13 is positioned at T shape cavity, passes inner semiconductor layer 1 and crimping armor clamp 2 and is fixed on the conducting rod 12, thus cable joint is fixed on the hold-down support 11 of outside electric equipment; Insulation is 14 tops that are positioned at T shape cavity silently, and shape conforms to cavity shape.
Fig. 3 is the T shape insulator layer 4 of cable joint of the present utility model and the structural representation of interior semi-conductive layer 1.
Fig. 4 is the schematic diagram after the adapter of cable joint of the present utility model is put into adapter supporting-core rope, wherein 10 is cable adaptor main insulation, 7 is stress control layer, and 11 is adapter supporting-core rope, and cable adaptor main insulation 10 and stress control layer 7 all are that elastomeric material is made.The plug cable joint of prior art adopts prefabricated manufacturing process, when installing at the scene, must exert oneself by force joint to be pushed power cable, the mounting process complexity, cable joint of the present utility model adopts shrinkage technology, when plant produced, this joint is expanded on an adapter supporting-core rope, during the construction at scene, because adapter supporting-core rope is hollow, cable can be filled in earlier in the supporting-core rope, be transferred the supporting-core rope behind the fixed position, promptly adapter can be installed on the cable, can not only satisfy all performance requirements, and more convenient client construction at the scene, can reduce the defective that causes owing to construction wrong, improve safety allowance.
Fig. 5 is the schematic diagram after the T shape insulator of cable joint of the present utility model and inner semiconductor layer are put into the supporting-core rope.Cable joint of the present utility model is at first put into adapter with cable when mounted, step is described in front, next adapter is put into T shape insulator, because the insulator layer 4 and the inner semiconductor layer 1 supported core rope 15 of T shape insulator strut, supporting-core rope 15 is hard hollow pipes, adapter is put into the fixed-site (position such as Fig. 1 or shown in Figure 2 after fixing) that supporting-core rope 15 also will be fixed on the cable of adapter, take out supporting-core rope 15 then, promptly can be installed to cable and adapter in the T shape insulator.At last T shape insulator is installed on the electric equipment, and has finished the installation of cable joint.
Cable joint of the present utility model adopts shrinkage technology, the adapter that is embedded with the high-k stress control layer is that elastomeric material is made, enlarged cable type selecting scope thereby can expand, solved a kind of cross-section of cable in the prior art need a kind of cable adaptor in the shortcoming of correspondence, can reduce the quantity of cable adaptor, make things convenient for the client to construct and reduce the unnecessary stock that repeats.The Stress Control of existing cable joint partly adopts the stress cone technology, and should invention adopt the high-k control stress method, utilize cable adaptor to be embedded with the Stress Control that the high-k stress control layer carries out electric field, can more effectively improve the Stress Control of power cable end.
Claims (2)
1. cable joint comprises:
T shape insulator layer, described T shape insulator layer inside is the cavity of a T shape, an end of described T shape insulator head can be connected with electric equipment;
Outer semiconductor layer is positioned at the outside of described T shape insulator layer;
Insulation silently is positioned at the top of described T shape cavity, and shape conforms to cavity shape;
Inner semiconductor layer is positioned at described T shape cavity, extends to the middle part of T shape cavity from the top of T shape cavity, and length is less than described T shape insulator layer;
Crimping armor clamp is positioned at described inner semiconductor layer, and diameter and length are all less than described inner semiconductor layer;
Adapter;
It is characterized in that, also comprise,
The supporting-core rope, described supporting-core rope is positioned at the middle part of described T shape cavity, and part is positioned at the inboard of described T shape insulator layer, and part is positioned at the inboard of described inner semiconductor layer, is the hard hollow pipe, supports described T shape insulator layer and described inner semiconductor layer, can take out;
Described adapter comprises,
The adapter main insulating layer is positioned at the middle part of described T shape cavity, from the intermediate openings of T shape cavity extend to described in semi-conductive layer intersect, make by elastomeric material;
Stress control layer is positioned at described adapter main insulating layer inboard, extends internally from the intermediate openings of T shape cavity, and its length is made by elastomeric material less than described adapter main insulating layer;
Adapter supporting-core rope, adapter supporting-core rope is the hard hollow pipe being positioned at described adapter main insulating layer inboard, supports described adapter, described adapter supporting-core rope can be taken out from adapter.
2. cable joint as claimed in claim 1 is characterized in that, also comprises,
Set bolt is positioned at described T shape cavity, is close to described inner semiconductor layer, and described crimping armor clamp is fixed on the electric equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244312 CN2627669Y (en) | 2003-04-23 | 2003-04-23 | Cable joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244312 CN2627669Y (en) | 2003-04-23 | 2003-04-23 | Cable joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2627669Y true CN2627669Y (en) | 2004-07-21 |
Family
ID=34251151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03244312 Expired - Fee Related CN2627669Y (en) | 2003-04-23 | 2003-04-23 | Cable joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2627669Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386502A (en) * | 2010-09-04 | 2012-03-21 | 仝志红 | Plug-in T-shaped capacitance type insulation bus joint |
| WO2014043167A1 (en) * | 2012-09-14 | 2014-03-20 | Tyco Electronics Corporation | Elastomeric cable adapters for power transmission cables and cover assemblies and methods including the same |
| CN105449481A (en) * | 2013-07-18 | 2016-03-30 | 中山市丰申电器有限公司 | Connector for switches/sockets |
| CN114597681A (en) * | 2022-03-02 | 2022-06-07 | 浙江运达风电股份有限公司 | 10kV medium-voltage cable connecting assembly and method in tower barrel of wind generating set |
-
2003
- 2003-04-23 CN CN 03244312 patent/CN2627669Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386502A (en) * | 2010-09-04 | 2012-03-21 | 仝志红 | Plug-in T-shaped capacitance type insulation bus joint |
| WO2014043167A1 (en) * | 2012-09-14 | 2014-03-20 | Tyco Electronics Corporation | Elastomeric cable adapters for power transmission cables and cover assemblies and methods including the same |
| US8889989B2 (en) | 2012-09-14 | 2014-11-18 | Tyco Electronics Corporation | Elastomeric cable adapters for power transmission cables and cover assemblies and methods including the same |
| CN104769799A (en) * | 2012-09-14 | 2015-07-08 | 泰科电子有限公司 | Elastomeric cable adapters for power transmission cables and cover assemblies and methods including the same |
| CN104769799B (en) * | 2012-09-14 | 2017-11-21 | 泰科电子有限公司 | For power transmission cable elastomer cable adapter and shade assembly and include its method |
| CN105449481A (en) * | 2013-07-18 | 2016-03-30 | 中山市丰申电器有限公司 | Connector for switches/sockets |
| CN114597681A (en) * | 2022-03-02 | 2022-06-07 | 浙江运达风电股份有限公司 | 10kV medium-voltage cable connecting assembly and method in tower barrel of wind generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040721 Termination date: 20120423 |