CN201130842Y - Thermal shrinkage water-joint for power cable - Google Patents
Thermal shrinkage water-joint for power cable Download PDFInfo
- Publication number
- CN201130842Y CN201130842Y CNU2007200948974U CN200720094897U CN201130842Y CN 201130842 Y CN201130842 Y CN 201130842Y CN U2007200948974 U CNU2007200948974 U CN U2007200948974U CN 200720094897 U CN200720094897 U CN 200720094897U CN 201130842 Y CN201130842 Y CN 201130842Y
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- CN
- China
- Prior art keywords
- thermal shrinkage
- layer
- power cable
- adhesive tape
- waterproof
- 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 - Lifetime
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Abstract
The utility model relates to a power cable thermal shrinkage waterproof joint, comprising a phase insulation layer, a thermal shrinkage insulating tube and an insulation adhesive tape, wherein the insulation adhesive is spire-winded at the junction of the phase insulation layer and the thermal shrinkage insulating tube, which is characterized in that a waterproof glue layer is arranged between each spire-winded insulation adhesive tape. The prior general thermal shrinkage insulating tube, the insulation adhesive tape, various waterproof glue and other raw materials are selected, and the utility model is made by common craft. Because one layer of waterproof glue layer is arranged between every layer of insulation adhesive tape, which fills the spacing of each layer of insulation adhesive tape; the humidity from the phase insulation layer direction is blocked efficiently, and the waterproof and moistureproof ability of the power cable thermal shrinkage central joint is significantly increased. The power cable thermal shrinkage waterproof joint has the advantages of wide application range, simple structure, easy manufacture, low cost, good water proofing, moisture proofing and leak tightness, long service life, practicality and popularization value, which is suitable for thermal shrinkage central joint of different specification power cable phase insulation layer.
Description
Technical field
The utility model relates to the improvement of cable hot shrinkage transition joint structure, is a kind of pyrocondensation water joint of power cable specifically.
Background technology
The waterproof of cable hot shrinkage transition joint is the key problem in technology that guarantees this product quality.Existing power cable pyrocondensation transition joint is in the junction of the phase insulating barrier and the overcoat pyrocondensation insulated tube of power cable, and spiral twines one deck insulation self-adhesive tape.The pyrocondensation transition joint of this power cable still produces a kind of spiral helicine gap after the stack of insulation self-adhesive tape interlayer, have a strong impact on the waterproof and dampproof performance of pyrocondensation transition joint, has reduced product quality.
Summary of the invention
The purpose of this utility model is at above-mentioned deficiency, provide a kind of simple in structure, cost is low, the pyrocondensation water joint of the power cable of good airproof performance.
The technical scheme that realizes the utility model purpose is:
The pyrocondensation water joint of this power cable, by in the junction of the phase insulating barrier and the pyrocondensation insulated tube of power cable, the insulation self-adhesive tape that spiral twines constitutes, and is characterized in being equipped with Waterproof glue line between each layer insulation self-adhesive tape that spiral twines.
The utility model is simple in structure, can select raw material such as existing general pyrocondensation insulated tube, insulation self-adhesive tape and various marine glues for use, and adopt conventional processes to make, and implements easily.
The pyrocondensation water joint of this power cable, owing between each layer insulation self-adhesive tape, all be provided with one deck Waterproof glue line, filled the space between each layer of insulation self-adhesive tape, play the effect of waterproof sealing, effectively stop the moisture that enters from phase insulating barrier direction, significantly improved the waterproof and dampproof property of cable hot shrinkage transition joint.
The utility model is applicable to the pyrocondensation transition joint of the power cable phase insulating barrier of different size, applied range.Have simple in structure, easy making, advantages such as cost is low, waterproof and moistureproof sealing good, long service life, have practical and popularizing value.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Fig. 2 is that A-A among Fig. 1 is to cross-sectional view.
Among the figure: 1 phase insulating barrier, 1-1 core, 2 pyrocondensation insulated tubes, 3 insulation self-adhesive tapes, 4 Waterproof glue lines.
Embodiment
The utility model is further described with the embodiment that provides below in conjunction with accompanying drawing.
With reference to Fig. 1,2, the pyrocondensation water joint of this power cable, skin at the phase insulating barrier 1 at power cable connector place, be with 2 layers of pyrocondensation insulated tube 2, junction at phase insulating barrier and 2 layers of pyrocondensation insulated tube, spiral is wound with insulation self-adhesive tape 3, all is added with Waterproof glue line 4 between each layer insulation self-adhesive tape that spiral twines.
The utility model applicant presses the foregoing description, implement the pyrocondensation water joint of this power cable, junction at phase insulating barrier and pyrocondensation insulated tube, evenly spiral twines J-20 insulation self-adhesive tape, when twining self-adhesive tape, between two-layer insulation self-adhesive tape, all add the butyronitrile marine glue, twine the back and between two-layer insulation self-adhesive tape, form Waterproof glue line.This Waterproof glue line has been filled the space between each layer of insulation self-adhesive tape, has played the waterproof sealing effect, has stoped the moisture that enters from phase insulating barrier direction, has significantly improved the waterproof and dampproof property of cable hot shrinkage transition joint.Inner on probation the demonstration, the pyrocondensation water joint of this power cable, simple in structure, easy to operate easy enforcement, cost are low, the withstand voltage of this water joint reaches more than the 0.8MPa after testing, product quality significantly improves, guarantee the safe operation of power cable transition joint, prolong the useful life of electric cable accessories, be subjected to trier's welcome.
Claims (1)
1, a kind of pyrocondensation water joint of power cable, by in the junction of the phase insulating barrier and the pyrocondensation insulated tube of power cable, the insulation self-adhesive tape that spiral twines constitutes, and it is characterized in that being equipped with Waterproof glue line between each layer insulation self-adhesive tape that spiral twines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200948974U CN201130842Y (en) | 2007-12-26 | 2007-12-26 | Thermal shrinkage water-joint for power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200948974U CN201130842Y (en) | 2007-12-26 | 2007-12-26 | Thermal shrinkage water-joint for power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130842Y true CN201130842Y (en) | 2008-10-08 |
Family
ID=40018708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200948974U Expired - Lifetime CN201130842Y (en) | 2007-12-26 | 2007-12-26 | Thermal shrinkage water-joint for power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130842Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326305A (en) * | 2013-06-25 | 2013-09-25 | 中船桂江造船有限公司 | Water tight method for cable incoming |
| CN104143416A (en) * | 2014-07-04 | 2014-11-12 | 苏州腾冉电气设备有限公司 | Waterproof technology at joint of outgoing cable of transformer |
| CN104143415A (en) * | 2014-07-04 | 2014-11-12 | 苏州腾冉电气设备有限公司 | Waterproof structure at joint of outgoing cable of transformer |
| CN106229903A (en) * | 2016-08-16 | 2016-12-14 | 许继集团有限公司 | A kind of manufacture method of cable transition joint |
-
2007
- 2007-12-26 CN CNU2007200948974U patent/CN201130842Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326305A (en) * | 2013-06-25 | 2013-09-25 | 中船桂江造船有限公司 | Water tight method for cable incoming |
| CN104143416A (en) * | 2014-07-04 | 2014-11-12 | 苏州腾冉电气设备有限公司 | Waterproof technology at joint of outgoing cable of transformer |
| CN104143415A (en) * | 2014-07-04 | 2014-11-12 | 苏州腾冉电气设备有限公司 | Waterproof structure at joint of outgoing cable of transformer |
| CN106229903A (en) * | 2016-08-16 | 2016-12-14 | 许继集团有限公司 | A kind of manufacture method of cable transition joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |
|
| CX01 | Expiry of patent term |