CN201440342U - Cross-linked cable - Google Patents
Cross-linked cable Download PDFInfo
- Publication number
- CN201440342U CN201440342U CN2009200779640U CN200920077964U CN201440342U CN 201440342 U CN201440342 U CN 201440342U CN 2009200779640 U CN2009200779640 U CN 2009200779640U CN 200920077964 U CN200920077964 U CN 200920077964U CN 201440342 U CN201440342 U CN 201440342U
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- CN
- China
- Prior art keywords
- semiconductive
- crosslinked cable
- layer
- outside
- semi
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model provides a cross-linked cable which comprises a conductor and a semi-conductive wind-wrapping layer. The semi-conductive wind-wrapping layer is wrapped outside the conductor and is composed by a plurality of semi-conductive wrapping belts which are wound in a spiral manner. The semi-conductive wrapping belts are provided with connecting ends and the connecting ends are provided with bonding layers so as to bond the adjacent semi-conductive wrapping belts. The provided cross-linked cable utilizes the bonding layers to firmly bond the adjacent semi-conductive wrapping belts, which solves the problem of edge rolling of the semi-conductive wrapping belts; moreover, the formed semi-conductive wind-wrapping layer is flat and smooth, and the quality of the cross-linked cable is improved.
Description
Technical field
The utility model relates to the cable and wire product technical field, relates in particular to a kind of crosslinked cable.
Background technology
At present, be 400mm at sectional area
2And in the manufacturing process of above crosslinked cable; usually can use the semiconductive band to form the semiconductive lapping layer; it can prevent that the conductor of crosslinked cable is jagged and the electric field concentration problem that causes; and in the time of can avoiding extruding internal shield; material is embedded in the gap of conductor; and cause waste of material, and cause the not problem of rounding of conductor diameter, can guarantee the quality of crosslinked cable.
The manufacture craft of crosslinked cable generally includes following steps: at first, carry out the strand system operation of conductor, next with the wrapped semiconductive band of the conductor of making, to form the semiconductive lapping layer, the operation that insulate afterwards, the conductor that needs to be coated with the semiconductive band in the insulation operation draws into head, extrudes into internal shield, insulating barrier and outer shielding layer, carry out subsequent handling after the insulation operation, form buffering water blocking layer, metallic sheath, anticorrosive coat and oversheath.
Existing crosslinked cable needs long semiconductive band usually when wrapped semiconductive band, and because the restriction of manufacturing technology, the length of single semiconductive band is subjected to certain restriction.When the length of single semiconductive band is not enough, often need a plurality of semiconductive bands are coupled together.Specifically please refer to Figure 1A to Figure 1B, it is the schematic diagram of wrapped semiconductive band process of the crosslinked cable of prior art, at first that the first semiconductive band 2 is wrapped on conductor 1, when its length is not enough, the link of the second semiconductive band 3 and the link of the first semiconductive band 2 are overlaped, it is fixing that adhesive tape 4 is twined in the overlapping region, in order to reach semiconductive effect, uses the semiconductive adhesive tape to fix usually.
But, the test of the high temperature of operation because the viscosity of adhesive tape 4 is not enough to stand to insulate, when the conductor 1 that is surrounded with the semiconductive band carries out insulating process, the viscosity of adhesive tape 4 weakens, and it is not firm to cause the semiconductive band to connect, and the phenomenon of semiconductive band crimping often occurs, and causes the surface irregularity of semiconductive lapping layer, and then cause the out-of-flatness of internal shield interface, even cause cross-linked cable insulating to puncture.
The utility model content
The purpose of this utility model provides a kind of crosslinked cable, utilizes adhesive tape to fix with the semiconductive band that solves existing crosslinked cable, and cause fixing not firm, the out-of-flatness of formed semiconductive lapping layer, and then the problem that causes cross-linked cable insulating to puncture.
For achieving the above object, the utility model provides a kind of crosslinked cable, comprise conductor and be coated on the outer semiconductive lapping layer of described conductor, described semiconductive lapping layer is formed by the semiconductive band that a plurality of spirals twine, described semiconductive band has link, described link has adhesive layer, so that adjacent semiconductive band is bonding.
Further, described adhesive layer is the semi-conductive adhesive water layer.
Further, described crosslinked cable also comprises internal shield, is arranged at outside the described semiconductive lapping layer.
Further, described crosslinked cable also comprises insulating barrier, is arranged at outside the described internal shield.
Further, described crosslinked cable also comprises outer shielding layer, is arranged at outside the described insulating barrier.
Further, described crosslinked cable also comprises the buffering water blocking layer, is arranged at outside the described outer shielding layer.
Further, described crosslinked cable also comprises metallic sheath, is arranged at outside the described buffering water blocking layer.
Further, described crosslinked cable also comprises anticorrosive coat, is arranged at outside the described metallic sheath.
Further, described crosslinked cable also comprises oversheath, is arranged at outside the described anticorrosive coat.
Further, described crosslinked cable also comprises equadag coating, is arranged at outside the described oversheath.
Compare with traditional crosslinked cable, the semiconductive band of crosslinked cable provided by the utility model has link, described link has adhesive layer, with firm bonding of described adjacent semiconductive band, solved the problem of semiconductive band crimping, formed semiconductive lapping layer is smooth smooth, has improved the quality of crosslinked cable.
Description of drawings
Figure 1A to Figure 1B is the schematic diagram of wrapped semiconductive band process of the crosslinked cable of prior art;
The sectional view of the crosslinked cable that Fig. 2 is provided for the utility model one embodiment;
The schematic diagram of the wrapped semiconductive band process of the crosslinked cable that Fig. 3 A to Fig. 3 B is provided for the utility model one embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments the crosslinked cable that the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
Please refer to Fig. 2, the sectional view of the crosslinked cable that it is provided for the utility model one embodiment, as shown in the figure, the crosslinked cable 200 that the utility model one embodiment is provided is to comprise conductor 210 and be coated on conductor 210 semiconductive lapping layer 220 outward, and crosslinked cable 200 also comprises internal shield 230, insulating barrier 240 and outer shielding layer 250, buffering water blocking layer 260, metallic sheath 270, anticorrosive coat 280, oversheath 290 and the equadag coating 291 that is set in turn in semiconductive lapping layer 220 outsides.
Wherein, semiconductive lapping layer 220 is formed by the semiconductive band that a plurality of spirals twine, and described semiconductive band has link, and described link has adhesive layer, so that adjacent semiconductive band is bonding.
Preferably, adhesive layer 223 is the semi-conductive adhesive water layer, can reach semiconductive effect.
The manufacturing process of the crosslinked cable that the utility model one embodiment is provided comprises the steps: at first, wrapped semiconductive band on stranded good conductor 210, to form semiconductive lapping layer 220, operation afterwards insulate, in the insulation operation, need head is advanced in conductor 210 tractions that are coated with the semiconductive band, extrude into internal shield 230, insulating barrier 240 and outer shielding layer 250, wrapped semiconductive waterstop forms buffering water blocking layer 260 outside outer shielding layer 250, outside buffering water blocking layer 260, form metallic sheath 270, outside metallic sheath, smear pitch and form anticorrosive coat 280, outside anticorrosive coat 280, extrude plastic sheath and form oversheath 290.In the crosslinked cable manufacture process, the security reliability for checking oversheath 290 also is provided with equadag coating 291 outside oversheath 290, to form the external electrode of crosslinked cable.
Specifically please refer to Fig. 3 A to Fig. 3 B, semiconductive lapping layer 220 is twined by the first semiconductive band 221 and the second semiconductive band 222 and forms, the link 222a of the link 221a of the first semiconductive band 221 and the second semiconductive band 222 is provided with adhesive layer 223, two semiconductive bands can be bonded together.Adhesive layer 223 is the semi-conductive adhesive water layer, the test of high temperature of operation that is enough to stand to insulate of the viscosity of semiconductive glue, the first semiconductive band 221 and the second semiconductive band 222 edge-curl phenomenon can not occur, and the semiconductive glue that only scribbles skim is to form adhesive layer 223, can not cause the thickness of semiconductive lapping layer 220 obviously to increase, semiconductive lapping layer 220 is smooth smooth, has improved the quality of crosslinked cable 200.Wherein, the process of wrapped semiconductive band specifically comprises the steps: the first semiconductive band 221 wrapped on conductor 210, and the surface of the link 222a of the link 221a of the first semiconductive band 221 and the second semiconductive band 222 is provided with adhesive layer 223, the link of two adjacent semiconductive bands is overlaped, adhesive layer 223 is the semi-conductive adhesive water layer, behind the semi-conductive adhesive water cure, can be with two firm linking together of semiconductive band.
In sum, the utility model provides a kind of crosslinked cable, it comprises conductor and is coated on the outer semiconductive lapping layer of described conductor, described semiconductive lapping layer is formed by the semiconductive band that a plurality of spirals twine, described semiconductive band has link, described link has adhesive layer, so that adjacent semiconductive band is bonding.Crosslinked cable provided by the utility model utilizes adhesive layer with firm bonding of adjacent semiconductive band, has solved the problem of semiconductive band crimping, and formed semiconductive lapping layer is smooth smooth, has improved the quality of crosslinked cable.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. crosslinked cable, comprise conductor and be coated on the outer semiconductive lapping layer of described conductor, described semiconductive lapping layer is formed by the semiconductive band that a plurality of spirals twine, it is characterized in that, described semiconductive band has link, described link has adhesive layer, so that adjacent semiconductive band is bonding.
2. crosslinked cable as claimed in claim 1 is characterized in that, described adhesive layer is the semi-conductive adhesive water layer.
3. crosslinked cable as claimed in claim 1 is characterized in that, also comprises internal shield, is arranged at outside the described semiconductive lapping layer.
4. crosslinked cable as claimed in claim 3 is characterized in that, also comprises insulating barrier, is arranged at outside the described internal shield.
5. crosslinked cable as claimed in claim 4 is characterized in that, also comprises outer shielding layer, is arranged at outside the described insulating barrier.
6. crosslinked cable as claimed in claim 5 is characterized in that, also comprises the buffering water blocking layer, is arranged at outside the described outer shielding layer.
7. crosslinked cable as claimed in claim 6 is characterized in that, also comprises metallic sheath, is arranged at outside the described buffering water blocking layer.
8. crosslinked cable as claimed in claim 7 is characterized in that, also comprises anticorrosive coat, is arranged at outside the described metallic sheath.
9. crosslinked cable as claimed in claim 8 is characterized in that, also comprises oversheath, is arranged at outside the described anticorrosive coat.
10. crosslinked cable as claimed in claim 9 is characterized in that, also comprises equadag coating, is arranged at outside the described oversheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200779640U CN201440342U (en) | 2009-07-07 | 2009-07-07 | Cross-linked cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200779640U CN201440342U (en) | 2009-07-07 | 2009-07-07 | Cross-linked cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440342U true CN201440342U (en) | 2010-04-21 |
Family
ID=42545005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200779640U Expired - Fee Related CN201440342U (en) | 2009-07-07 | 2009-07-07 | Cross-linked cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000267A (en) * | 2012-12-20 | 2013-03-27 | 上海上缆藤仓电缆有限公司 | Crosslinked cable |
-
2009
- 2009-07-07 CN CN2009200779640U patent/CN201440342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000267A (en) * | 2012-12-20 | 2013-03-27 | 上海上缆藤仓电缆有限公司 | Crosslinked cable |
| CN103000267B (en) * | 2012-12-20 | 2015-11-18 | 上海上缆藤仓电缆有限公司 | Crosslinked cable |
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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: 20100421 Termination date: 20100707 |