CN109962442A - A kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint - Google Patents
A kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint Download PDFInfo
- Publication number
- CN109962442A CN109962442A CN201910215235.5A CN201910215235A CN109962442A CN 109962442 A CN109962442 A CN 109962442A CN 201910215235 A CN201910215235 A CN 201910215235A CN 109962442 A CN109962442 A CN 109962442A
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- China
- Prior art keywords
- plastic
- sealing
- aluminum combined
- cable
- copper shell
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000010949 copper Substances 0.000 claims abstract description 54
- 229910052802 copper Inorganic materials 0.000 claims abstract description 54
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 18
- 239000010951 brass Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 230000007613 environmental effect Effects 0.000 claims abstract description 5
- 238000004078 waterproofing Methods 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 21
- 229920006335 epoxy glue Polymers 0.000 claims description 14
- 239000004593 Epoxy Substances 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001175 rotational moulding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000270506 Tupinambis Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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
Landscapes
- Cable Accessories (AREA)
Abstract
The present invention is a kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint, copper shell including two sections of plastic-aluminum combined sheath high-tension cables and cable connector periphery and the isolating shrinkable tube to copper shell progress water-proofing treatment, it is characterized in that, it further include the plasticity composite material and sealing band for fixed copper shell, the concrete operations being sealed are as follows: reversely turn down the brass wire shielding in two sections of plastic-aluminum combined sheath high-tension cables to plastic-aluminum combined sheath outer surface, then by copper valve jacket outside cable intermediate joint, the part that the tail end of brass wire shielding exposes copper shell tail end is turned down to copper shell outer surface, and it is welded together with copper shell with lead sealing, complete the electrical connection of high-tension cable metallic shield, it later will be between plasticity composite material Bao Tong shell and high-tension cable ontology, then with waterproof insulation band environmental sealing, it finally will insulation Heat-shrink tube is located on two sections of plastic-aluminum combined sheath high-tension cables and copper shell junction, and carries out waterproof sealing processing with band by sealing.
Description
Technical field
The present invention relates to a kind of sealing structures of high-voltage cable joint, especially disclose a kind of plastic-aluminum combined sheath high-voltage electricity
The sealing structure of cable joint, suitable for the waterproof and moistureproof sealing processing to plastic-aluminum combined sheath high-voltage cable middle joint.
Background technique
The mode that high voltage power cable mainly takes comb and tunnel to lay can not be kept away since the capacity of cable reel is limited
Exempt to occur that two sections of cable connections being got up the case where being extended by transition joint, and since joint cable body is broken
It is bad, it is necessary to reconstruct its waterproof construction using additional recovery measure, enter joint area to cable connector to avoid moisture
Service life adversely affects.
The high voltage power cable of existing market mainstream mostly uses greatly protective metal shell as the channel of short circuit current, and outside is squeezed again
One layer of PE or PVC is moulded as insulating sheath and water barrier, cable accessory producer major for the waterproof and dampproof processing of such cable
All relatively have gains in depth of comprehension, be typically employed between the protective shell and protective metal shell outside connector burn lead sealing method come prevent moisture moisture into
Enter joint location, and prevents protective metal shell to be grounded here using isolating shrinkable tube outside exposed protective metal shell and lead sealing.
Isolating shrinkable tube is also responsible for waterproof and dampproof in addition to the effect of insulation, is formed to avoid between outside moisture and cable metal sheath
Channel causes protective metal shell to be grounded indirectly., will be in the company of the earth because once cable metal sheath forms multiple spot and is directly grounded
Lower formation circulation is connect, if long duration of action, the regional metal sheath abnormal heating can be made, to the operation longevity of high voltage power cable
Life adversely affects.
Other than above-mentioned protective metal shell high voltage power cable, there is also a kind of high-voltage electricity of plastic-aluminum combined sheath in the market
The cable of power cable, the type does not have protective metal shell, and the short circuit current channel using copper wire as cable, oversheath is by aluminium foil
With plastic-aluminum combined sheath made of plastic bonding, and in this, as the damp-proof layer of cable.For the high voltage power cable of this type,
Just become problem since lead sealing, the sealed damp-proof of joint can not be sintered in joint, is there is no at present to this problem
Solution.
Summary of the invention
Present invention aim to address the defect of the prior art, a kind of the close of plastic-aluminum combined sheath high-voltage cable joint is designed
Seal structure is substituted lead sealing using plasticity composite material and carries out moisture seal, the recovery electricity consumption of electrical connection to transition joint
Brass wire shielding on cable realizes solve the problems, such as that plastic-aluminum combined sheath cable can not burn lead sealing, guarantee high-tension cable just
Often work；Simultaneously except being restored using isolating shrinkable tube to the plastic-aluminum combined sheath of cable, also in isolating shrinkable nozzle
Corresponding reinforcement waterproof measure is done, the axial seal of plastic-aluminum combined sheath high-voltage cable joint is effectively realized and reaches waterproof and dampproof
Effect.
The present invention is implemented as follows: a kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint, including two sections of aluminium
It moulds the copper shell of compound sheath high-tension cable and cable connector periphery and carries out the isolating shrinkable tube of water-proofing treatment, feature to copper shell
It is: further includes the plasticity composite material and sealing band of fixed copper shell, the sealing band includes waterproof insulation
Band and expoxy glass silk ribbon, the concrete operations that described two sections plastic-aluminum combined sheath high-voltage cable joints are sealed are as follows: respectively
The plastic-aluminum combined sheath of two sections of plastic-aluminum combined sheath high-tension cables is peeled off, the brass wire shielding for retaining 200mm -300mm length is anti-
To fold to plastic-aluminum combined sheath outer surface, then by copper valve jacket outside cable intermediate joint, by the tail end of brass wire shielding
The part for exposing copper shell tail end is turned down to copper shell outer surface, and is welded together it with copper shell with lead sealing, completes high-tension cable
The electrical connection of metallic shield then uses waterproof later by between plasticity composite material Bao Tong shell and high-tension cable ontology
Isolating shrinkable tube is finally located on two sections of plastic-aluminum combined sheath high-tension cables and copper shell junction by insulating tape environmental sealing, and
Waterproof sealing processing is carried out with band in conjunction with sealing.The plasticity composite material will have plasticity when in use, and final
Can be with solidified forming, and copper shell, copper wire and cable jacket will not be corroded, such as epoxy sealing mud.
It is uniformly arrangement that the brass wire shielding, which is turned down to the part of copper shell trailing exterior surface, and is tightened with copper tied silk, then
It cuts off and tightens the extra brass wire shielding of rear length；It is described by between plasticity composite material Bao Tong shell and high-tension cable ontology again
It is anti-around double-baging with environmental sealing to be that rotational moulding insulating layer from plastic-aluminum combined sheath to copper shell is partly put up formula with waterproof insulation
Water insulating tape.
The isolating shrinkable tube be located on behind two sections of plastic-aluminum combined sheath high-tension cable junctions combine sealing band into
The processing of row waterproof sealing, the position for specifically first corresponding to pyrocondensation nozzle on high-tension cable before isolating shrinkable tube is shunk twines
Upper circle sealing joint strip reinforces sealing, then isolating shrinkable tube shrink finish first partly put up outside nozzle after cooling down formula around
Three layers of waterproof insulation band are wrapped, the wrapped shellring oxygen glass tape of formula is then partly put up, needs elder generation in wrapped expoxy glass silk ribbon
Epoxy glue is smeared in wrapped region with wool brush, while coating one layer of epoxy glue in the last layer epoxy fibreglass belt surface
Water is finally compressed further around one layer of PVC band of packet with the gap between epoxy glue ring type filling oxygen glass tape, is made epoxy glue and ring
Surfacing is smooth at oxygen glass tape cladding.
The beneficial effects of the present invention are: the present invention be directed to the sealing structures of plastic-aluminum combined sheath high-voltage cable joint to set
Meter, cable connector is sealed and is fixed using plasticity composite material epoxy lute, due to the present invention use can
Has highly plastic before plastic composites solidification, quality is hard after solidification, can be used to fixed copper shell, and it is multiple to solve plastic-aluminum
Close the difficulty that sheath high-tension cable cannot be sealed by way of burning lead sealing between the protective shell and protective metal shell outside connector
Topic.In addition the combined labyrinth and carbon gland of waterproof insulation band and expoxy glass silk ribbon is also used to design in isolating shrinkable nozzle, epoxy glue
The expoxy glass silk ribbon of rigid structure is formed after hardening, and expoxy glass silk ribbon can be effectively prevent in cable operational process because of electricity
Cable ontology is different from waterproof insulation band thermal expansion coefficient and generates cell breath and then generates air gap, thus can effectively prevent outer
Portion's moisture passes through air gap along cable axially into excellent waterproof effect in isolating shrinkable tube, is reached, and avoids occurring because of moisture
With moisture from isolating shrinkable tube --- the case where cable interface so as to cause brass wire shielding from this axially into being grounded.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the plasticity composite material at high-voltage cable joint in the present invention.
Fig. 2 is the waterproof sealing structure schematic diagram in the present invention at isolating shrinkable nozzle.
Fig. 3 is the overall structure diagram of sealing structure at the plastic-aluminum combined sheath high-voltage cable joint of the present invention.
In figure: 1, copper shell；2, plasticity composite material；3, lead sealing；4, brass wire shielding；5, plastic-aluminum combined sheath； 6,
Waterproof insulation band；7, expoxy glass silk ribbon；8, PVC band；9, sealing joint strip；10, isolating shrinkable tube；11, copper tied silk.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
1, attached drawing 2 and attached drawing 3 with reference to the accompanying drawings, the present invention are a kind of waterproof sealing of plastic-aluminum combined sheath high-voltage cable joint
Structure, the copper shell including two sections of plastic-aluminum combined sheath high-tension cables and cable connector periphery, and for the plastic of fixed copper shell
Property composite material and to copper shell carry out water-proofing treatment isolating shrinkable tube and various bands.The present invention is compound by using plasticity
Material cable connector is sealed and fixed form come replace it is existing using protective metal shell to high-voltage cable joint carry out lead
The sealing means of envelope, while the axial direction being applied in combination to realize cable also by waterproof insulation band and expoxy glass silk ribbon is close
Envelope, the reliable waterproof at high-voltage cable joint is realized with this.
Realize that the concrete operations of sealing structure of the present invention are as follows:
With reference to the accompanying drawings 1, when connecting two sections of plastic-aluminum combined sheath high-tension cable (hereinafter referred to as high-tension cables) respectively by two sections of electricity
The plastic-aluminum combined sheath 5 of cable peels off, and retains the brass wire shielding 4 of 200mm-300mm length and reversely turns down to plastic-aluminum combined sheath 5
Then copper shell 1 is sleeved on outside high-voltage cable joint by outer surface, the tail end of brass wire shielding 4 is then exposed 1 tail end of copper shell
Part fold cuts off and tightens by copper tied silk 11 up to being tightened after being uniformly arranged in the outer surface of copper shell tail end 1 with copper tied silk 11
The extra length thereof of brass wire shielding 4 afterwards, is generally advisable with the copper wire for retaining 50mm-100mm long on copper shell, finally use
Lead sealing 3 welds together the tail end of brass wire shielding 4 with copper shell 1, to guarantee the electrical connection of high-tension cable metallic shield.
After completing above-mentioned electrical connection, uniformly mixed plasticity composite material 2 is uniformly coated on 1 He of copper shell
Between high-tension cable ontology, needed when carrying out this step operation first by plasticity composite material 2 be filled in plastic-aluminum combined sheath 5 with
In the nozzle gap of the copper shell of 1 junction of copper shell, then again to being wrapped up outside plastic-aluminum combined sheath 5 and copper shell 1, to reinforce
To the sealing effect at 1 nozzle of copper shell.The plasticity composite material selected in the present embodiment is raw for An Tegu Science and Technology Ltd.
The bi-component epoxy lute of production.Then the rotational moulding insulating layer of plastic-aluminum combined sheath 5 to copper shell 1 is carried out with waterproof insulation band 6
Formula is partly put up around double-baging, to reinforce waterproof and guarantee plasticity composite material rounding.
With reference to the accompanying drawings 2, after completing the seal operation at above-mentioned plastic-aluminum combined sheath 5 and 1 nozzle of copper shell, by transition joint peace
It fills technique to require to shrink isolating shrinkable tube 10 in plastic-aluminum combined sheath high-tension cable and copper shell junction, and uses sealing band
Material is sealed water-proofing treatment.According to the technological requirements, a complete transition joint needs to be arranged three isolating shrinkable tubes, respectively
It is one of 1 both ends of copper shell each one and copper shell junction.The nozzle of all isolating shrinkable tubes 10 carry out shrink process it
Before will first correspond to the position of pyrocondensation nozzle on high-tension cable and be wrapped with a circle sealing joint strip 9 to reinforce sealing.Isolating shrinkable tube
10, which shrink the nozzle finished after cooling down, first partly puts up the wrapped three layers of waterproof insulation band 6 of formula outside, then uses glass tape 7 half
The wrapped three rings oxygen glass tape 7(of formula is put up to need first to be smeared with wool brush in wrapped region in wrapped expoxy glass silk ribbon 7
Epoxy glue), one layer of epoxy glue is applied on 7 surface of the last layer glass tape, so that epoxy glue ring type filling oxygen glass fiber
The gap of interband, in last wrapped circle PVC band 8, it is therefore an objective to compress epoxy glue and expoxy glass silk ribbon 7, make epoxy glue
It is smooth with surfacing at expoxy glass silk ribbon cladding.
The present invention is in addition to carrying out insulation recovery processing with plastic-aluminum combined sheath of the isolating shrinkable tube to high-tension cable, exhausted
Edge pyrocondensation nozzle has also done corresponding reinforcement waterproof measure, and waterproof effect is excellent, avoids occurring because moisture and moisture are from insulation
Heat-shrink tube --- the case where cable interface so as to cause brass wire shielding at this axially into being grounded.
Claims (3)
1. a kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint, including two sections of plastic-aluminum combined sheath high-tension cables and electricity
The copper shell of cable joint periphery and the isolating shrinkable tube that water-proofing treatment is carried out to copper shell, it is characterised in that: further include fixed copper shell
Plasticity composite material and sealing band, the sealing band includes waterproof insulation band and expoxy glass silk ribbon, to institute
State the concrete operations that two sections of plastic-aluminum combined sheath high-voltage cable joints are sealed are as follows: respectively by two sections of plastic-aluminum combined sheath high pressures
The plastic-aluminum combined sheath of cable peels off, and the brass wire shielding for retaining 200mm -300mm length is reversely turned down to outside plastic-aluminum combined sheath
Surface turns down the part that the tail end of brass wire shielding exposes copper shell tail end then by copper valve jacket outside cable intermediate joint
To copper shell outer surface, and it is welded together with lead sealing with copper shell, completes the electrical connection of high-tension cable metallic shield, later
Between plasticity composite material Bao Tong shell and high-tension cable ontology, waterproof insulation band environmental sealing will be then used, it finally will be exhausted
Edge heat-shrink tube is located on two sections of plastic-aluminum combined sheath high-tension cables and copper shell junction, and sealing is combined to carry out anti-watertight with band
Envelope processing.
2. the sealing structure of a kind of plastic-aluminum combined sheath high-voltage cable joint according to claim 1, it is characterised in that:
It is uniformly arrangement that the brass wire shielding, which is turned down to the part of copper shell trailing exterior surface, and is tightened with copper tied silk, and then removal tightens
The extra brass wire shielding of length afterwards；It is described will be exhausted with waterproof again between plasticity composite material Bao Tong shell and high-tension cable ontology
Marginal zone environmental sealing is that rotational moulding insulating layer from plastic-aluminum combined sheath to copper shell is partly put up formula around waterproof insulation band of double-baging,
The plasticity composite material uses epoxy sealing mud.
3. the sealing structure of a kind of plastic-aluminum combined sheath high-voltage cable joint according to claim 1, it is characterised in that:
The isolating shrinkable tube combines sealing to carry out anti-watertight with band after being located on two sections of plastic-aluminum combined sheath high-tension cable junctions
Envelope processing, specifically first corresponding to the position of pyrocondensation nozzle on high-tension cable before isolating shrinkable tube is shunk, to be wrapped with a circle close
Seal strip reinforces sealing, then isolating shrinkable tube shrink finish first partly put up outside nozzle after cooling down wrapped three layers of formula it is anti-
Water insulating tape then partly puts up the wrapped shellring oxygen glass tape of formula, needs first to use wool brush in wrapped expoxy glass silk ribbon
Epoxy glue is smeared in wrapped region, while coating one layer of epoxy glue in the last layer epoxy fibreglass belt surface, uses epoxy
Glue fills the gap between epoxy glass tape, finally compresses further around one layer of PVC band of packet, makes epoxy glue and expoxy glass silk ribbon
Surfacing is smooth at cladding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215235.5A CN109962442A (en) | 2019-03-21 | 2019-03-21 | A kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215235.5A CN109962442A (en) | 2019-03-21 | 2019-03-21 | A kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109962442A true CN109962442A (en) | 2019-07-02 |
Family
ID=67024658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910215235.5A Withdrawn CN109962442A (en) | 2019-03-21 | 2019-03-21 | A kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109962442A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054446A (en) * | 2020-09-21 | 2020-12-08 | 广东电网有限责任公司 | Connecting structure of tail pipe and protective layer of cable terminal and manufacturing method of connecting structure |
| CN112670911A (en) * | 2020-12-23 | 2021-04-16 | 长园电力技术有限公司 | Connecting method and connecting structure of aluminum sheath cable and metal pipe |
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| FR2512394A1 (en) * | 1981-09-04 | 1983-03-11 | Rose Walter Gmbh & Co Kg | Composite sheet for local thermal shielding of cables - with thermoplastic insulation, to inhibit overheating when used with couplings or armour assembled with hot joints |
| CN2151559Y (en) * | 1993-02-23 | 1993-12-29 | 刘瑞平 | Power cable joint |
| CN102386605A (en) * | 2011-10-25 | 2012-03-21 | 上海市电力公司 | Installation method of prefabricated middle connector of flexible DC (direct current) transmission cable |
| US20150096786A1 (en) * | 2012-03-08 | 2015-04-09 | 3M Innovative Properties Company | Insulation waterproof member and insulation waterproofing method |
| CN104967066A (en) * | 2015-06-11 | 2015-10-07 | 天津送变电工程公司 | Crosslinked cable prefabricated intermediate joint installation method |
| CN106505509A (en) * | 2016-11-11 | 2017-03-15 | 杭州电缆股份有限公司 | A kind of 500kV cable systems transition joint mounting process |
| CN107706879A (en) * | 2017-11-07 | 2018-02-16 | 广州高力电缆附件有限公司 | A kind of cable intermediate joint and its fabrication and installation method |
| CN207603183U (en) * | 2017-11-14 | 2018-07-10 | 青岛汉缆股份有限公司 | 500kV and following submarine cable strengthen lead sealing type repair joint |
| CN208078201U (en) * | 2018-03-21 | 2018-11-09 | 精进电动科技股份有限公司 | A kind of joint structure of high voltage cable |
| CN209642289U (en) * | 2019-03-21 | 2019-11-15 | 上海三原电缆附件有限公司 | A kind of sealing structure of plastic-aluminum combined sheath high-voltage cable joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1121303A (en) * | 1976-04-05 | 1982-04-06 | Kenneth E. Bow | Cable shielding tape and cable |
| FR2512394A1 (en) * | 1981-09-04 | 1983-03-11 | Rose Walter Gmbh & Co Kg | Composite sheet for local thermal shielding of cables - with thermoplastic insulation, to inhibit overheating when used with couplings or armour assembled with hot joints |
| CN2151559Y (en) * | 1993-02-23 | 1993-12-29 | 刘瑞平 | Power cable joint |
| CN102386605A (en) * | 2011-10-25 | 2012-03-21 | 上海市电力公司 | Installation method of prefabricated middle connector of flexible DC (direct current) transmission cable |
| US20150096786A1 (en) * | 2012-03-08 | 2015-04-09 | 3M Innovative Properties Company | Insulation waterproof member and insulation waterproofing method |
| CN104967066A (en) * | 2015-06-11 | 2015-10-07 | 天津送变电工程公司 | Crosslinked cable prefabricated intermediate joint installation method |
| CN106505509A (en) * | 2016-11-11 | 2017-03-15 | 杭州电缆股份有限公司 | A kind of 500kV cable systems transition joint mounting process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054446A (en) * | 2020-09-21 | 2020-12-08 | 广东电网有限责任公司 | Connecting structure of tail pipe and protective layer of cable terminal and manufacturing method of connecting structure |
| CN112054446B (en) * | 2020-09-21 | 2022-02-11 | 广东电网有限责任公司 | Connecting structure of tail pipe and protective layer of cable terminal and manufacturing method of connecting structure |
| CN112670911A (en) * | 2020-12-23 | 2021-04-16 | 长园电力技术有限公司 | Connecting method and connecting structure of aluminum sheath cable and metal pipe |
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