CN104300488A - Connecting device and method for cable terminal with voltage of 35kV or below - Google Patents
Connecting device and method for cable terminal with voltage of 35kV or below Download PDFInfo
- Publication number
- CN104300488A CN104300488A CN201410458439.9A CN201410458439A CN104300488A CN 104300488 A CN104300488 A CN 104300488A CN 201410458439 A CN201410458439 A CN 201410458439A CN 104300488 A CN104300488 A CN 104300488A
- Authority
- CN
- China
- Prior art keywords
- cable
- insulation
- silicon rubber
- interval
- socketed
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/1806—Heat shrinkable sleeves
- H02G15/1813—Wraparound or slotted sleeves
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/184—Cable junctions protected by sleeves, e.g. for communication cable with devices for relieving electrical stress
- H02G15/188—Cable junctions protected by sleeves, e.g. for communication cable with devices for relieving electrical stress connected to a cable shield only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/192—Cable junctions protected by sleeves, e.g. for communication cable with support means for ends of the sleeves
Abstract
The invention relates to a connecting device and method for cable terminal with the voltage of 35kV or below. A cable copper conductor segment, a cable insulating layer segment and an outer copper strip shielding layer segment of the end of a cable are insulated and sealed by a silicon rubber insulating umbrella group, an insulating sleeve and an insulating protective tube respectively, the silicon rubber insulating umbrella group, the insulating sleeve and the insulating protective tube are sequentially connected end to end in a sleeving mode, the end of the silicon rubber insulating umbrella group is sealed by a sealing cap, and the end of the insulating protective tube is sealed by a wrapping waterproof strip layer. Construction is convenient, and sealing performance is good; the silicon rubber insulating umbrella group and a silicon rubber stress cone expand on the outer side, where a polypropylene strip is wound around, of a supporting tube in advance, after the polypropylene strip is pulled out, the silicon rubber insulating umbrella group and the silicon rubber stress cone shrink to the corresponding position of the cable, no open fire is needed for heating shrinkage, construction is convenient, and operation is safe.
Description
Technical field
The present invention relates to a kind of cable connecting arrangement, be specifically related to a kind of 35kV and following cable termination jockey and method of attachment.
Background technology
At present, cable termination jockey used on market all adopts fine copper cable terminal to crimp, using heat shrinkage insulation pipe as insulator, using thermal contraction PA tube as oversheath; During construction, with naked light baking thermal contraction PA tube, make it shrink and be attached to the outside of cable.Adopt and there is following defect in this way: 1. work with torches is not suitable for using at chemical industry combustible and explosive area, is also not suitable at altitude effect.2. with the bad grasp of naked light baking heat shrinking sleeve degree, larger by artifical influence factor; 3. use the terminal connector life-span of heat-shrinkable tube short, construction is inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of easy construction, handling safety and good seal performance 35kV and following cable termination jockey and method of attachment.
For reaching above object, the technical scheme that the present invention takes is:
A kind of 35kV and following cable termination jockey, comprise cable body, cable body from-inner-to-outer is followed successively by cable copper conductor, cable insulation, outer copper strip shielding layer and external insulation layer, described cable body end exposes outer copper strip shielding interval, cable insulation interval and cable copper conductor segment successively after stepped stripping, described cable copper conductor end is connected with terminal equipment, it is characterized in that:
The boundary of described outer copper strip shielding interval and external insulation layer is socketed with insulation pillar, seals through wrapped water blocking tape between described insulation pillar end and external insulation layer;
The outside of described outer copper strip shielding interval is socketed with insulating sleeve, and described insulating sleeve is socketed on one end of insulation pillar;
Cable insulation interval is fixed on through semiconductive twining package tape in the end of described outer copper strip shielding interval, and described outer copper strip shielding layer and cable insulation intersection are socketed with silicon rubber stress cone;
The outside of described cable insulation interval is socketed with silicon rubber insulation cluster parachute, and described silicon rubber insulation cluster parachute is covered in silicon rubber stress cone, and silicon rubber insulation cluster parachute one end is socketed on insulating sleeve;
The intersection of described cable insulation interval and cable copper conductor segment is socketed with sealing cap, and described sealing cap one end is socketed on silicon rubber insulation cluster parachute.
Further, also comprise tinned copper wire braid over braid, described tinned copper wire braid over braid is connected with cable insulation through constant force collar.
A method of attachment for 35kV and following cable termination jockey, comprises the following steps:
The first step, by stepped for cable body end stripping, exposes the outer copper strip shielding interval of design length, cable insulation interval and cable copper conductor segment successively;
Second step, is fixed on outer copper strip shielding layer with constant force collar by tinned copper wire braid over braid, and copper strip shielding interval and external insulation interval intersection cover connect insulation pillar outside, and described insulation pillar and external insulation layer cooperation place seal with wrapped waterproof belt;
3rd step, outside copper strip shielding interval is socketed insulating sleeve, and one end of insulating sleeve is socketed on one end of insulation pillar, is fixed on cable insulation interval by the end of outer copper strip shielding layer with semiconductive twining package tape;
4th step, with continuous print polypropylene strips coiling stay pipe, described polypropylene strips end stretches out outside stay pipe; At the middle part of stay pipe socket predilation shape silicon rubber stress cone and silicon rubber insulation cluster parachute, described silicon rubber insulation cluster parachute is socketed on outside silicon rubber stress cone; Stay pipe is socketed on the end of cable body, make silicon rubber stress cone corresponding with cable insulation intersection with outer copper strip shielding layer, make silicon rubber insulation cluster parachute one end corresponding with the end of insulating sleeve, twitch the end of polypropylene strips until extract out completely, the silicon rubber stress cone of predilation and silicon rubber insulation cluster parachute are contracted in the corresponding section of cable;
5th step, sealing cap in the end sleeve of silicon rubber insulation cluster parachute, is connected the cable copper conductor stretching out sealing cap with terminal equipment.
After taking above technical scheme, beneficial effect of the present invention is:
Each section of the cable copper conductor segment of cable end, cable insulation interval and outer copper strip shielding interval forms the insulated enclosure of each section by silicon rubber insulation cluster parachute, insulating sleeve, insulation pillar head and the tail successively socket respectively, the end of silicon rubber insulation cluster parachute seals with sealing cap, the end of insulation pillar is sealed by wrapped waterproof belt, easy construction, good seal performance;
Silicon rubber insulation cluster parachute and silicon rubber stress cone are expanded in advance outside polypropylene strips coiling stay pipe, after polypropylene strips is extracted out, silicon rubber insulation cluster parachute and silicon rubber stress cone are contracted to the correspondence position of cable, without the need to using open firing to shrink, and easy construction, handling safety.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of stay pipe.
In figure: cable body 1, outer copper strip shielding interval 2, cable insulation interval 3, cable copper conductor segment 4, insulation pillar 5, insulating sleeve 6, silicon rubber stress cone 7, silicon rubber insulation cluster parachute 8, sealing cap 9, wrapped water blocking tape 10, semiconductive twining package tape 11, constant force collar 12, tinned copper wire braid over braid 13, stay pipe 14, polypropylene strips 15.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described:
As shown in the figure, a kind of 35kV and following cable termination jockey, comprise cable body 1, the link of described cable is through stepped delamination, produce outer copper strip shielding interval 2, cable insulation interval 3 and cable copper conductor segment 4 in turn, described outer copper strip shielding interval 2 and the boundary of external insulation layer are socketed with the pillar 5 that insulate, seal through wrapped water blocking tape 10 between described insulation pillar 5 afterbody and external insulation layer; The outside of described outer copper strip shielding interval 2 is socketed with insulating sleeve 6, and the tail end of described insulating sleeve 6 is socketed on the head end of insulation pillar 5; Cable insulation interval 3 is fixed on through semiconductive twining package tape 11 in the end of described outer copper strip shielding interval 2, described outer copper strip shielding interval 2 is socketed with silicon rubber stress cone 7 with cable insulation interval 3 intersection, the outside of described cable insulation interval 3 is socketed with silicon rubber insulation cluster parachute 8, described silicon rubber insulation cluster parachute 8 is covered in outside silicon rubber stress cone 7, and the tail end of silicon rubber insulation cluster parachute is socketed on the head end of insulating sleeve; Described cable insulation interval 3 is socketed with sealing cap 9 with the intersection of cable copper conductor segment 4, and described sealing cap 9 tail end is socketed on the head end of silicon rubber insulation cluster parachute 8; Described cable copper conductor segment 4 is connected with terminal equipment.
Step when cable termination jockey is connected with terminal equipment is:
The first step, by the stepped stripping in cable body 1 end, exposes the outer copper strip shielding interval 2 of design length, cable insulation interval 3 and cable copper conductor segment 4 successively;
Second step, with constant force collar 12, outer copper strip shielding layer is fixed in one end of tinned copper wire braid over braid 13, copper strip shielding interval 2 and external insulation interval 3 intersection cover connect insulation pillar 5 outside, and described insulation pillar 5 seals with wrapped water blocking tape 10 with external insulation layer cooperation place;
3rd step, outside copper strip shielding interval 2 is socketed insulating sleeve 6, and one end of insulating sleeve 6 is socketed on one end of insulation pillar 5, is fixed on cable insulation interval 3 by the end of outer copper strip shielding layer with semiconductive twining package tape 11;
4th step, with continuous print polypropylene 15 coiling stay pipes 14, described polypropylene strips 14 end stretches out outside stay pipe 14; At the middle part of stay pipe 14 socket predilation shape silicon rubber stress cone 7 and silicon rubber insulation cluster parachute 8, described silicon rubber insulation cluster parachute 8 is socketed on outside silicon rubber stress cone 7; Stay pipe 14 cover is connected to the end of cable body, silicon rubber stress cone 7 is made to be positioned at outer copper strip shielding interval 2 and cable insulation interval 3 intersection, and make silicon rubber insulation cluster parachute 8 one end corresponding with the end of insulating sleeve 6, twitch the end of polypropylene strips 15 until extract out completely, the silicon rubber stress cone 7 of predilation and silicon rubber insulation cluster parachute 8 are contracted in the corresponding section of cable;
5th step, sealing cap 9 in the end sleeve of silicon rubber insulation cluster parachute 8, is connected the cable copper conductor segment 4 of stretching out sealing cap 9 with terminal equipment.
Claims (3)
1. a 35kV and following cable termination jockey, comprise cable body, cable body from-inner-to-outer is followed successively by cable copper conductor, cable insulation, outer copper strip shielding layer and external insulation layer, described cable body end exposes outer copper strip shielding interval, cable insulation interval and cable copper conductor segment successively after stepped stripping, described cable copper conductor end is connected with terminal equipment, it is characterized in that:
The boundary of described outer copper strip shielding interval and external insulation layer is socketed with insulation pillar, seals through wrapped water blocking tape between described insulation pillar end and external insulation layer;
The outside of described outer copper strip shielding interval is socketed with insulating sleeve, and described insulating sleeve is socketed on one end of insulation pillar;
Cable insulation interval is fixed on through semiconductive twining package tape in the end of described outer copper strip shielding interval, and described outer copper strip shielding interval and cable insulation interval intersection are socketed with silicon rubber stress cone;
The outside of described cable insulation is socketed with silicon rubber insulation cluster parachute, and described silicon rubber insulation cluster parachute is covered in silicon rubber stress cone, and silicon rubber insulation cluster parachute one end is socketed on insulating sleeve;
The intersection of described cable insulation interval and cable copper conductor segment is socketed with sealing cap, and described sealing cap one end is socketed on silicon rubber insulation cluster parachute.
2. a kind of 35kV according to claim 1 and following cable termination jockey, is characterized in that, also comprise tinned copper wire braid over braid, and described tinned copper wire braid over braid is connected with cable insulation through constant force collar.
3. a method of attachment for a kind of 35kV according to claim 1 and following cable termination jockey, is characterized in that, comprise the following steps:
The first step, by stepped for cable body end stripping, exposes the outer copper strip shielding interval of design length, cable insulation interval and cable copper conductor segment successively;
Second step, is fixed on outer copper strip shielding layer with constant force collar by tinned copper wire braid over braid, and copper strip shielding interval and external insulation interval intersection cover connect insulation pillar outside, and described insulation pillar and external insulation layer cooperation place seal with wrapped waterproof belt;
3rd step, outside copper strip shielding interval is socketed insulating sleeve, and one end of insulating sleeve is socketed on one end of insulation pillar, is fixed on cable insulation interval by the end of outer copper strip shielding layer with semiconductive twining package tape;
4th step, with continuous print polypropylene strips coiling stay pipe, described polypropylene strips end stretches out outside stay pipe; At the middle part of stay pipe socket predilation shape silicon rubber stress cone and silicon rubber insulation cluster parachute, described silicon rubber insulation cluster parachute is socketed on outside silicon rubber stress cone; Stay pipe is socketed on the end of cable body, make silicon rubber stress cone corresponding with cable insulation intersection with outer copper strip shielding layer, make silicon rubber insulation cluster parachute one end corresponding with the end of insulating sleeve, twitch the end of polypropylene strips until extract out completely, the silicon rubber stress cone of predilation and silicon rubber insulation cluster parachute are contracted in the corresponding section of cable;
5th step, sealing cap in the end sleeve of silicon rubber insulation cluster parachute, is connected the cable copper conductor stretching out sealing cap with terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458439.9A CN104300488A (en) | 2014-09-11 | 2014-09-11 | Connecting device and method for cable terminal with voltage of 35kV or below |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458439.9A CN104300488A (en) | 2014-09-11 | 2014-09-11 | Connecting device and method for cable terminal with voltage of 35kV or below |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104300488A true CN104300488A (en) | 2015-01-21 |
Family
ID=52320120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410458439.9A Pending CN104300488A (en) | 2014-09-11 | 2014-09-11 | Connecting device and method for cable terminal with voltage of 35kV or below |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104300488A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116310A (en) * | 2015-08-27 | 2015-12-02 | 江苏普朗克电力科技有限公司 | Novel high voltage cable test device |
| CN106025995A (en) * | 2016-07-25 | 2016-10-12 | 常州市拓源电缆成套有限公司 | Fireproof outdoor cable terminal for railways |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283325Y (en) * | 1996-07-19 | 1998-06-03 | 武汉市博大电气有限责任公司 | Shrinking prefabricated cable fitting |
| CN201234115Y (en) * | 2008-06-13 | 2009-05-06 | 北京国电四维电力技术有限公司 | Shrinking dry outdoor electric cable terminal |
| CN201332254Y (en) * | 2009-01-06 | 2009-10-21 | 3M创新有限公司 | Cable terminal |
| CN201466661U (en) * | 2009-07-17 | 2010-05-12 | 保定合力达电缆附件有限公司 | Cold-shrinking intermediate joint |
| WO2014057381A1 (en) * | 2012-10-09 | 2014-04-17 | Tyco Electronics (Shanghai) Co. Ltd. | Cold shrinkable termination for an electric power cable |
| CN204131073U (en) * | 2014-09-11 | 2015-01-28 | 泰兴市圣达铜业有限公司 | A kind of 35kV and following cable termination jockey |
-
2014
- 2014-09-11 CN CN201410458439.9A patent/CN104300488A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283325Y (en) * | 1996-07-19 | 1998-06-03 | 武汉市博大电气有限责任公司 | Shrinking prefabricated cable fitting |
| CN201234115Y (en) * | 2008-06-13 | 2009-05-06 | 北京国电四维电力技术有限公司 | Shrinking dry outdoor electric cable terminal |
| CN201332254Y (en) * | 2009-01-06 | 2009-10-21 | 3M创新有限公司 | Cable terminal |
| CN201466661U (en) * | 2009-07-17 | 2010-05-12 | 保定合力达电缆附件有限公司 | Cold-shrinking intermediate joint |
| WO2014057381A1 (en) * | 2012-10-09 | 2014-04-17 | Tyco Electronics (Shanghai) Co. Ltd. | Cold shrinkable termination for an electric power cable |
| CN204131073U (en) * | 2014-09-11 | 2015-01-28 | 泰兴市圣达铜业有限公司 | A kind of 35kV and following cable termination jockey |
Non-Patent Citations (1)
| Title |
|---|
| 柳涌: "《建筑电气设备施工技术手册》", 31 December 2010 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116310A (en) * | 2015-08-27 | 2015-12-02 | 江苏普朗克电力科技有限公司 | Novel high voltage cable test device |
| CN106025995A (en) * | 2016-07-25 | 2016-10-12 | 常州市拓源电缆成套有限公司 | Fireproof outdoor cable terminal for railways |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |
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| WD01 | Invention patent application deemed withdrawn after publication |