CN106340850A - Cable intermediate joint with high waterproof performance, and installation method thereof - Google Patents
Cable intermediate joint with high waterproof performance, and installation method thereof Download PDFInfo
- Publication number
- CN106340850A CN106340850A CN201610900783.8A CN201610900783A CN106340850A CN 106340850 A CN106340850 A CN 106340850A CN 201610900783 A CN201610900783 A CN 201610900783A CN 106340850 A CN106340850 A CN 106340850A
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- China
- Prior art keywords
- cable
- intermediate joint
- self
- insulation
- adhesive
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Classifications
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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
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- Cable Accessories (AREA)
Abstract
The invention discloses a cable intermediate joint with high waterproof performance, for connecting two cables. Insulation layers at the tail ends of the two cables are conical-shaped and expose internal semiconducting layers, cable cores at the tail ends of the two cables are pressed by use of a pressing pipe, the pressing pipe is externally wound with a semiconducting self-adhesive tape, the semiconducting self-adhesive tape is overlapped from the internal semiconducting layer at the tail end of one cable to the internal semiconducting layer at the tail end of the other cable, the semiconducting self-adhesive tapes is wound with filling glue, and the filling glue fills flat cones of the cable insulation layers to enable the cones to be flush with an insulation cylindrical surface. The external layer of the filling glue is wound with an insulation self-adhesive tape, and the insulation self-adhesive tape is overlapped from the insulation layer at the tail end of one cable to the insulation layer at the tail end of the other cable. The invention further discloses an installation method of the joint. According to the invention, through such an insulation sealing structure, the cable intermediate joint is enabled to have high waterproof performance, prevents moisture and the like from penetration into the intermediate joint, prevents the intermediate joint from breakdown and ensures reliable power transmission and power transmission safety accordingly.
Description
Technical field
The present invention relates to a kind of cable intermediate joint and its installation method.
Background technology
Cold-shrinking intermediate joint universal on the market at present is mainly by stress cone, insulating barrier, shielded-plate tube and external shielding layer four
Part forms, the transition joint not only complex structure of this kind of structure, and easily watered and wetting in the environment of moist immersion, from
And cause and puncture.
Content of the invention
It is an object of the invention to provide a kind of cable intermediate joint with high water resistance.
In order to realize the purpose of the present invention, the present invention provides a kind of cable intermediate joint with high water resistance, in order to
Connect two cables, the insulating barrier of two cable end pieces is conical and exposes interior semi-conductive layer, and the cable core of two cable end pieces is used
Aluminium hydraulic pressed connecting pipe is crimped, and is wound with semiconductive self-adhesive tape outside aluminium hydraulic pressed connecting pipe, and this semiconductive self-adhesive tape is in wherein one cable end piece
Semi-conductive layer snaps into the interior semi-conductive layer of another cable end piece.Filling glue is wound with semiconductive self-adhesive tape, this filling glue will
The vertebral body shape of cable insulation is filled and led up concordant with insulative cylinders face.Filling glue outer layer is wound around insulating self-adhesive band, this insulating self-adhesive band
Snap into the insulating barrier of another cable end piece from the insulating barrier of wherein one cable end piece.
As a further improvement on the present invention, shrinking outside described insulating self-adhesive band has cold-shrinking intermediate joint main body, described cold
Contracting transition joint main body two ends each extend over covering to two cables.
As a further improvement on the present invention, described cold-shrinking intermediate joint main body two ends are wound with fluid sealant and waterproof successively
Adhesive tape.
As a further improvement on the present invention, described adhesive waterproof tape shrinking has insulation cold shrink tube, this insulation cold shrink tube two
End overlaps on transition joint main body and cable respectively.
The present invention also provides a kind of installation method of the cable intermediate joint with high water resistance, and cable intermediate joint is used
To connect two cables, comprise the steps:
First, conventional treatment is carried out to the sheath of cable, screen layer, the insulating barrier of two cable end pieces is whittled into according to certain size
Vertebral body shape, and expose the interior semi-conductive layer of certain size；
Then, the cable core of two cable end pieces is crimped with aluminium hydraulic pressed connecting pipe, outside aluminium hydraulic pressed connecting pipe, is first wound around semiconductive self-adhesive tape,
This semiconductive self-adhesive tape snaps into the interior semi-conductive layer of another cable end piece from the interior semi-conductive layer of wherein one cable end piece；
Secondly, filling glue is wound around on semiconductive self-adhesive tape again, this filling glue by the vertebral body shape of cable insulation be wound into absolutely
The edge face of cylinder is concordant；
Then, it is wound around insulating self-adhesive band 10 in filling glue outer layer, this insulating self-adhesive band is taken from the insulating barrier of wherein one cable end piece
It is connected on the insulating barrier of another cable end piece.
As a further improvement on the present invention, shrink cold-shrinking intermediate joint main body outside the described band in insulating self-adhesive, described cold
Contracting transition joint main body two ends each extend over covering to two cables.
As a further improvement on the present invention, described cold-shrinking intermediate joint main body two ends are wound with fluid sealant and waterproof successively
Adhesive tape.
As a further improvement on the present invention, described adhesive waterproof tape shrinks insulation cold shrink tube, this insulation cold shrink tube two ends
Respectively in overlap joint transition joint main body and cable.
As described above, the cable intermediate joint that the present invention has high water resistance has filling glue and insulating self-adhesive band, fill out
Fill glue be wrapped on semiconductive self-adhesive tape, the vertebral body shape of cable insulation is filled and led up concordant with insulative cylinders face, insulating self-adhesive band from
The insulating barrier of wherein one cable end piece snaps on the insulating barrier of another cable end piece, makes cable by above-mentioned insulation and sealing structure
Transition joint has high water resistance, and this is avoided that moisture etc. enters inside transition joint, prevents transition joint from puncturing, thus really
Protect reliable transmission of electricity and transmission of electricity safety.
Brief description
Fig. 1 is that the insulating barrier of cable end piece of the present invention is whittled into vertebral body shape according to certain size and exposes half in certain size
The structural representation of conductive layer；
Fig. 2 is for being wound around semiconductive self-adhesive tape, filling glue successively after the cable core aluminium hydraulic pressed connecting pipe crimping of the present invention two cable end piece
With the structural representation after insulating self-adhesive band；
Fig. 3 is the structural representation of cold-shrinking intermediate joint main body；
Fig. 4 be on the insulating self-adhesive band of two cable end pieces shown in Fig. 2 shrink cold-shrinking intermediate joint main body and be wound around fluid sealant and
Adhesive waterproof tape, and the schematic diagram of insulation cold shrink tube is shunk on adhesive waterproof tape.
Specific embodiment
With specific embodiment, technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings, so that this
The technical staff in field can be better understood from the present invention and can be practiced, but illustrated embodiment is not as the limit to the present invention
Fixed.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention has the cable intermediate joint of high water resistance, in order to connect two
Cable 10, the insulating barrier 11 of two cable 10 end is conical and exposes interior semi-conductive layer 12, the cable of two cable 10 end
Core 13 is crimped with aluminium hydraulic pressed connecting pipe 20, is wound with semiconductive self-adhesive tape 30, this semiconductive self-adhesive tape 30 is from wherein outside aluminium hydraulic pressed connecting pipe 20
The interior semi-conductive layer 12 of one cable 10 end snaps into the interior semi-conductive layer 12 of another cable 10 end.On semiconductive self-adhesive tape 30
It is wound with filling glue 40, the vertebral body shape of cable insulation is filled and led up concordant with insulative cylinders face by this filling glue 40.Outside filling glue 40
Layer is wound around insulating self-adhesive band 50, and the insulating barrier from wherein one cable 10 end for this insulating self-adhesive band 50 snaps into another cable 10 end
On the insulating barrier at end.
As a further improvement on the present invention, described outer contraction of insulating self-adhesive band 50 has cold-shrinking intermediate joint main body 60, institute
State cold-shrinking intermediate joint main body 60 two ends and each extend over covering to two cables 10.Cold-shrinking intermediate joint main body 60 includes insulating barrier
61st, external shielding layer 62 and stress cone 63, wherein external shielding layer 62 are located at insulating barrier outer 61, and stress cone 63 is located at insulating barrier two respectively
End inwall.
As a further improvement on the present invention, described cold-shrinking intermediate joint main body 60 two ends are wound with fluid sealant 70 He successively
Adhesive waterproof tape 80.
As a further improvement on the present invention, described adhesive waterproof tape 80 shrinking has insulation cold shrink tube 90, this insulation shrinkage
Pipe 90 two ends overlap in transition joint main body 60 and two cables 10 respectively.
The present invention also provides a kind of installation method of the cable intermediate joint with high water resistance, and cable intermediate joint is used
To connect two cables, comprise the steps:
First, conventional treatment is carried out to the sheath of two cables 10, screen layer, by the insulating barrier 11 of two cable 10 end according to certain
Size is whittled into vertebral body shape, and exposes the interior semi-conductive layer 12 of certain size；
Then, the cable core 13 of two cable 10 end is crimped with aluminium hydraulic pressed connecting pipe 20, partly led in outer first winding of aluminium hydraulic pressed connecting pipe 20
Electric self-adhesive tape 30, the interior semi-conductive layer 12 from wherein one cable 10 end for this semiconductive self-adhesive tape 30 snaps into another cable 10 end
The interior semi-conductive layer 12 at end；
Secondly, filling glue 40 is wound around on semiconductive self-adhesive tape 30, the vertebral body shape of cable insulation is wound around by this filling glue 40 again
Arrive concordant with insulative cylinders face；
Then, it is wound around insulating self-adhesive band 50 in filling glue 40 outer layer, this insulating self-adhesive band 50 is exhausted from wherein one cable 10 end
Edge layer 11 snaps on the insulating barrier 11 of another cable 10 end.
As a further improvement on the present invention, insulating self-adhesive band 50 is outer shrinks cold-shrinking intermediate joint main body 60, in the middle of shrinkage
Adapter body 60 two ends each extend over covering to two cables 10.
As a further improvement on the present invention, cold-shrinking intermediate joint main body 60 two ends are wound with fluid sealant 70 and waterproof successively
Adhesive tape 80.
As a further improvement on the present invention, described adhesive waterproof tape 80 shrinks insulation cold shrink tube 90, this insulation cold shrink tube
90 two ends overlap in cold-shrinking intermediate joint main body 60 and cable 10 respectively.
In sum, the present invention has the cable intermediate joint of high water resistance and has filling glue 40 and insulating self-adhesive band
50, filling glue 40 be wrapped on semiconductive self-adhesive tape 30, the vertebral body shape of cable insulation is filled and led up concordant with insulative cylinders face, absolutely
Originate from adhesive tape 50 and snap into the insulating barrier 11 of another cable 10 end from the insulating barrier 11 of wherein one cable 10 end, by upper
Stating insulation and sealing structure makes cable intermediate joint have high water resistance, and this is avoided that moisture etc. enters inside transition joint, prevents
Only transition joint punctures, so that it is guaranteed that reliable transmit electricity and transmission of electricity safety.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent transformation that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (9)
1. a kind of cable intermediate joint with high water resistance, in order to connecting two cables it is characterised in that: described two cables ends
The insulating barrier at end is conical and exposes interior semi-conductive layer, and the cable core of two cable end pieces is crimped with aluminium hydraulic pressed connecting pipe, crimping
Pipe is outer to be wound with semiconductive self-adhesive tape, and this semiconductive self-adhesive tape snaps into another electricity from the interior semi-conductive layer of wherein one cable end piece
The interior semi-conductive layer of cable end；Filling glue is wound with semiconductive self-adhesive tape, the vertebral body shape of cable insulation is filled out by this filling glue
Flat concordant with insulative cylinders face；Filling glue outer layer is wound around insulating self-adhesive band, and this insulating self-adhesive band is exhausted from wherein one cable end piece
Edge layer snaps on the insulating barrier of another cable end piece.
2. there is the cable intermediate joint of high water resistance as claimed in claim 1 it is characterised in that described insulating self-adhesive band
Outer contraction has cold-shrinking intermediate joint main body, and described cold-shrinking intermediate joint main body two ends each extend over covering to two cables.
3. there is the cable intermediate joint of high water resistance as claimed in claim 2 it is characterised in that in described shrinkage indirectly
Head main body includes insulating barrier, external shielding layer and the stress cone being fixed together, and wherein external shielding layer is located at outside insulating barrier, stress cone
It is located at insulating barrier two ends inwall respectively.
4. there is the cable intermediate joint of high water resistance as claimed in claim 1 it is characterised in that in described shrinkage indirectly
Head main body two ends are wound with fluid sealant and adhesive waterproof tape successively.
5. there is the cable intermediate joint of high water resistance as claimed in claim 1 it is characterised in that on described adhesive waterproof tape
Contraction has insulation cold shrink tube, and this insulation cold shrink tube two ends overlaps on transition joint main body and cable respectively.
6. a kind of installation method of the cable intermediate joint with high water resistance, cable intermediate joint in order to connect two cables,
It is characterized in that comprising the steps:
First, carry out conventional treatment to the sheath of cable, screen layer, the insulating barrier of two cable end pieces is cut according to certain size
Become vertebral body shape, and expose the interior semi-conductive layer of certain size；
Then, the cable core of two cable end pieces is crimped with aluminium hydraulic pressed connecting pipe, outside aluminium hydraulic pressed connecting pipe, is first wound around semiconductive self-adhesive tape,
This semiconductive self-adhesive tape snaps into the interior semi-conductive layer of another cable end piece from the interior semi-conductive layer of wherein one cable end piece；
Secondly, filling glue is wound around on semiconductive self-adhesive tape again, this filling glue by the vertebral body shape of cable insulation be wound into absolutely
The edge face of cylinder is concordant；
Then, it is wound around insulating self-adhesive band 10 in filling glue outer layer, this insulating self-adhesive band is taken from the insulating barrier of wherein one cable end piece
It is connected on the insulating barrier of another cable end piece.
7. there is the installation method of the cable intermediate joint of high water resistance as claimed in claim 6 it is characterised in that described
Shrink cold-shrinking intermediate joint main body outside insulating self-adhesive band, described cold-shrinking intermediate joint main body two ends each extend over covering to two electricity
On cable.
8. there is the installation method of the cable intermediate joint of high water resistance as claimed in claim 1 it is characterised in that described
Cold-shrinking intermediate joint main body two ends are wound with fluid sealant and adhesive waterproof tape successively.
9. there is the installation method of the cable intermediate joint of high water resistance as claimed in claim 1 it is characterised in that described
Insulation cold shrink tube is shunk on adhesive waterproof tape, this insulation cold shrink tube two ends overlaps on transition joint main body and cable respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900783.8A CN106340850A (en) | 2016-10-17 | 2016-10-17 | Cable intermediate joint with high waterproof performance, and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900783.8A CN106340850A (en) | 2016-10-17 | 2016-10-17 | Cable intermediate joint with high waterproof performance, and installation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106340850A true CN106340850A (en) | 2017-01-18 |
Family
ID=57838926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610900783.8A Pending CN106340850A (en) | 2016-10-17 | 2016-10-17 | Cable intermediate joint with high waterproof performance, and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106340850A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429521A (en) * | 2019-08-28 | 2019-11-08 | 长缆电工科技股份有限公司 | A kind of waterproof sealing method of transition joint |
| CN111969545A (en) * | 2020-08-17 | 2020-11-20 | 广东电网有限责任公司广州供电局 | Cable intermediate head |
| CN117060324A (en) * | 2023-08-04 | 2023-11-14 | 长缆电工科技股份有限公司 | Waterproof glue injection installation process for middle-low pressure intermediate joint |
| CN118017280A (en) * | 2024-04-09 | 2024-05-10 | 常州九天新能源科技股份有限公司 | Cold shrink tube protection structure of photovoltaic connector of offshore photovoltaic system |
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| JP3260749B2 (en) * | 1990-10-25 | 2002-02-25 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | Transition joint for oil-filled cable |
| CN200973011Y (en) * | 2006-11-13 | 2007-11-07 | 深圳市长园新材料股份有限公司 | Heat-shrinkable cable joint structure |
| CN202276126U (en) * | 2011-11-03 | 2012-06-13 | 深圳市银星电力电子有限公司 | Crosslinked cable cold-shrinkage straight-through joint |
| CN103915811A (en) * | 2014-01-23 | 2014-07-09 | 汕头市南帆电器有限公司 | Method for manufacturing 35 kV thermal shrinkage intermediate cable head |
| CN204967216U (en) * | 2015-09-22 | 2016-01-13 | 内蒙古包钢钢联股份有限公司 | Power cable intermediate head sealing device |
| CN105552791A (en) * | 2015-12-09 | 2016-05-04 | 山东太阳纸业股份有限公司 | Method for making 10KV heat-shrinkable three-core cross-linked polyethylene cable intermediate joint |
| CN206353694U (en) * | 2016-10-17 | 2017-07-25 | 深圳市沃尔核材股份有限公司 | Cable intermediate joint with high water resistance |
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2016
- 2016-10-17 CN CN201610900783.8A patent/CN106340850A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3260749B2 (en) * | 1990-10-25 | 2002-02-25 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | Transition joint for oil-filled cable |
| CN200973011Y (en) * | 2006-11-13 | 2007-11-07 | 深圳市长园新材料股份有限公司 | Heat-shrinkable cable joint structure |
| CN202276126U (en) * | 2011-11-03 | 2012-06-13 | 深圳市银星电力电子有限公司 | Crosslinked cable cold-shrinkage straight-through joint |
| CN103915811A (en) * | 2014-01-23 | 2014-07-09 | 汕头市南帆电器有限公司 | Method for manufacturing 35 kV thermal shrinkage intermediate cable head |
| CN204967216U (en) * | 2015-09-22 | 2016-01-13 | 内蒙古包钢钢联股份有限公司 | Power cable intermediate head sealing device |
| CN105552791A (en) * | 2015-12-09 | 2016-05-04 | 山东太阳纸业股份有限公司 | Method for making 10KV heat-shrinkable three-core cross-linked polyethylene cable intermediate joint |
| CN206353694U (en) * | 2016-10-17 | 2017-07-25 | 深圳市沃尔核材股份有限公司 | Cable intermediate joint with high water resistance |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429521A (en) * | 2019-08-28 | 2019-11-08 | 长缆电工科技股份有限公司 | A kind of waterproof sealing method of transition joint |
| CN111969545A (en) * | 2020-08-17 | 2020-11-20 | 广东电网有限责任公司广州供电局 | Cable intermediate head |
| CN117060324A (en) * | 2023-08-04 | 2023-11-14 | 长缆电工科技股份有限公司 | Waterproof glue injection installation process for middle-low pressure intermediate joint |
| CN118017280A (en) * | 2024-04-09 | 2024-05-10 | 常州九天新能源科技股份有限公司 | Cold shrink tube protection structure of photovoltaic connector of offshore photovoltaic system |
| CN118017280B (en) * | 2024-04-09 | 2024-06-07 | 常州九天新能源科技股份有限公司 | Cold shrink tube protection structure of photovoltaic connector of offshore photovoltaic system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170118 |