CN107706879A - A kind of cable intermediate joint and its fabrication and installation method - Google Patents
A kind of cable intermediate joint and its fabrication and installation method Download PDFInfo
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- CN107706879A CN107706879A CN201711083683.1A CN201711083683A CN107706879A CN 107706879 A CN107706879 A CN 107706879A CN 201711083683 A CN201711083683 A CN 201711083683A CN 107706879 A CN107706879 A CN 107706879A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 43
- 210000001503 joint Anatomy 0.000 claims abstract description 32
- 230000007704 transition Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 230000004224 protection Effects 0.000 claims abstract description 23
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 51
- 239000010949 copper Substances 0.000 claims description 51
- 229910052802 copper Inorganic materials 0.000 claims description 51
- 229920002379 silicone rubber Polymers 0.000 claims description 15
- 239000002390 adhesive tape Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 230000007935 neutral effect Effects 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 239000004945 silicone rubber Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 7
- 238000002788 crimping Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 239000004944 Liquid Silicone Rubber Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 150000001875 compounds Chemical group 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 29
- 230000015556 catabolic process Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000004078 waterproofing Methods 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
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
Abstract
The present invention relates to a kind of cable intermediate joint; for being attached to the three-phase electricity cable of twice power cables; including conductor jointing, cold shrink type middle joint main body, cable shield recovered part, cable inner restrictive coating recovered part, mechanical protection and waterproof sealing part, transition joint is insulated using multi-layer solid complex media and sealing structure；Transition joint main body uses integral multi-layer composite construction, include stress cone, internal shield, insulating barrier and external shielding layer from inside to outside, wherein internal shield uses non-uniform internal diameter structure with insulating barrier, internal shield internal diameter is bigger than insulating barrier, and is provided with multiple semiconductive step type contact points in internal shield centre position；Mechanical protection uses half overlap wrapping belt armour, outermost layer socket heat-shrink tube and wrapped pyrocondensation belt with waterproof sealing part.The invention provides a kind of connection of conductor is good, insulation is reliable, good seal performance, high mechanical strength, cable intermediate joint simple in construction and its fabrication and installation method, it is great to the safe and reliable horizontal terms that lift cable run.
Description
Technical field
The invention belongs to power cable technical field, is related among a kind of electric cable fitting, more particularly to a kind of cable
Joint and its fabrication and installation method.
Background technology
Intermediate joint of electric cable is the important component of cable run, but because cable accessory is that multi-layer solid is compound
Dielectric insulation and sealing structure, it is increasingly complex compared to power cable, live manual manufacture installation is needed, and service condition is severe even
Not tight conductor connecting tube connection, connecting tube bias, joint sealing waterproof imperfection, mechanical strength be present in water in long period of soaking
Series of problems is not enough waited, causes cable intermediate joint often to turn into the weak link in cable run.System operation experience have shown that,
Most cable fault is relevant with cable accessory, wherein cable intermediate joint fault rate highest.
In summary, to ensure the quality of cable intermediate joint, there is provided a kind of conductor connection is good, insulation is reliable, sealing
Performance is good, high mechanical strength, cable intermediate joint simple in construction and its fabrication and installation method, the safety to lifting cable run
Confidence level is significant.
The content of the invention
It is an object of the invention to provide a kind of connection of conductor is good, insulation is reliable, good seal performance, high mechanical strength,
Cable intermediate joint simple in construction and its fabrication and installation method.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of cable intermediate joint, for being attached to the three-phase electricity cable of twice power cables, among the cable
Joint includes conductor jointing, cold shrink type middle joint main body, cable shield recovered part, cable inner restrictive coating recovery section
Point, mechanical protection and waterproof sealing part, it is characterised in that：
The transition joint is insulated using multi-layer solid complex media and sealing structure；
The cold shrink type middle joint main body uses the multi-layer compound structure of integral type, from inside to outside including stress cone, interior
Screen layer, insulating barrier and external shielding layer；Each layer of cold shrink type middle joint main body uses liquid silicone rubber material, wherein should
Power cone, interior external shielding layer use fluid silicone rubber semiconductive material, and insulating barrier uses fluid silicone rubber Insulation Material.Due to integral type knot
Structure employs the fluid silicone rubber of base material, so that it is guaranteed that each interlayer of cold shrink type middle joint main body have good cohesive,
Anti-flammability and elasticity.
The cold shrink type middle joint main body, it is characterized in that internal shield and insulating barrier are non-uniform internal diameter structures.In described
Screen layer internal diameter is bigger than insulating barrier, is applicable to the conductor jointing of different-diameter；In the centre position of the internal shield,
There is provided multiple semiconductive step type contact points.The non-uniform internal diameter structure of transition joint main body internal shield and stepped contact
Point, the tip after the crimping of cable conductor jointing can be caused due to long-term hard contact in transition joint running is prevented
Broken internal shield is slided at position, while ensure that internal shield contacts with the effective of cable conductor jointing, is avoided due to contact
It is bad to cause internal shield to have floating potential and then be developed to the failure of insulation breakdown.
The cable shield recovered part, it is characterized in that the combining structure being grounded using copper shield net and copper, can lead to
Reasonable selection composition structure is crossed, is flexibly applied to neutral ground and isolated neutral system.For earth neutral system,
Full conducting structure is grounded using copper shield net and copper, the cable of conducting both ends cable of copper shield layer and local terminal is grounded using copper
Steel sheath, both ends cable of copper shield layer is turned on using copper shield net, so as to recover short-channel for cable.Do not connect for neutral point
Ground system, using copper shield net single structure, only turn on both ends cable of copper shield layer.
The cable inner restrictive coating recovered part, it is characterized in that using MULTILAYER COMPOSITE band winding arrangement, pass through respectively half
Overlapping alternately winding PVC transparent adhesive tape, adhesive waterproof tape, strengthen the water resistance of transition joint.
The mechanical protection and waterproof sealing part, it is characterized in that by half overlap wrapping belt armour, strengthen among cable
The mechanical protection performance of joint；By being socketed heat-shrink tube and wrapped pyrocondensation belt in transition joint outermost layer, belt armour is made full use of
With chemisorption power on heat-shrink tube and hot melt adhesive connection contacting surface, bond is formed, while utilize belt armour surface irregularity
The caused mechanical snap effect between heat-shrink tube and PUR, forms snap-in force, further strengthens mechanical protection performance and close
Sealing property.
Disclosed herein as well is a kind of fabrication and installation method of foregoing cable intermediate joint, comprise the following steps：
(1) cable pre-processes
(1.1) size of the type of confirmation cable, major insulation and conductor, to select the transition joint main body of suitable dimension；
(1.2) major insulation of stripping cable, screen layer, copper strips, inner sheath, steel armour and oversheath, polish inner sheath and steel
Armour, and clean；
(2) conductor jointing is crimped
(2.1) cold shrink type middle joint main body is inserted in cable one end to be connected, the other end to be connected is inserted in copper screen
Net is covered, exposes cable major insulation and conductor；
(2.2) conductor jointing is enclosed on the cable conductor at both ends, crimps the conductor jointing；
(3) cold shrink type middle joint main body is installed
(3.1) coating silicone grease in major insulation and conductor jointing；
(3.2) cold shrink type middle joint main body is moved in major insulation and conductor jointing；
(4) cable shield is recovered
(4.1) by copper shield net unfolding, cold shrink type middle joint body exterior is enclosed on, copper ground wire is ridden over into copper shield net
On, it is fastened with adhesive tape；
(5) external sheath layer in recovering
(5.1) half overlap wrapping PVC transparent adhesive tapes, in PVC transparent adhesive tape upper half overlap wrapping adhesive waterproof tape；
(5.2) copper ground wire is fixed on steel armour, then half overlap wrapping adhesive waterproof tape；
(6) recover mechanical protection to protect with waterproof sealing
(6.1) in adhesive waterproof tape upper half overlap wrapping belt armour, until transition joint part is completely capped；
(6.2) the wrapped pyrocondensation belt outside belt armour, and heat-shrink tube is socketed, heat shrink is carried out using firelock, until
Transition joint is completely covered in heat-shrink tube and pyrocondensation belt.
Compared with prior art, the invention has the advantages that：
1. cold shrink type middle joint main body uses integral structure, material is fluid silicone rubber, it is ensured that transition joint main body
Each interlayer has good cohesive, anti-flammability and elasticity.
2. the non-uniform internal diameter structure of transition joint main body internal shield and stepped contact point, can improve transition joint main body
To the adaptability of the conductor jointing of different-diameter, and it is broken to prevent that the sophisticated position after the crimping of cable conductor jointing from sliding
Internal shield, while ensure that internal shield contacts with the effective of cable conductor jointing, avoid because loose contact causes
Internal shield has floating potential and then is developed to the failure of insulation breakdown.
3. the combining structure that cable shield recovered part is grounded using copper shield net and copper, can pass through reasonable selection group
Into structure, neutral ground and isolated neutral system are flexibly applied to.
4. cable inner restrictive coating recovered part uses MULTILAYER COMPOSITE band winding arrangement, the water proofing property of transition joint is strengthened
Energy.
5. mechanical protection uses belt armour with waterproof sealing part, the mechanical protection performance of cable intermediate joint is enhanced；
By being socketed heat-shrink tube and wrapped pyrocondensation belt, a kind of mechanical protection and waterproof is made using belt armour, heat-shrink tube and its PUR
Structure, belt armour and chemisorption power on heat-shrink tube and hot melt adhesive connection contacting surface, form bond, while armoring belt surface is recessed
Caused mechanical snap acts between convex uneven and heat-shrink tube and PUR, forms snap-in force, is protected so as to further strengthen machinery
Performance and sealing property are protected, improves product overall operation reliability.
Brief description of the drawings
Fig. 1 is the structural representation of cable intermediate joint；
Fig. 2 is the structural representation of cold shrink type middle joint main body；
Fig. 3 is the schematic flow sheet of the fabrication and installation method of cable intermediate joint.
Wherein, the implication of reference is as follows：1 conductor jointing, 2 cold shrink type middle joint main bodys, 3 cable shields
Recovered part, 4 cable inner restrictive coating recovered parts, 5 mechanical protections and waterproof sealing part, 6 stress cones, 7 internal shields, 8 is exhausted
Edge layer, 9 external shielding layers, 10 semiconductive step type contact points, 11 copper shield nets, 12 bronze medals ground wire, 13 PVC transparent adhesive tapes, 14 is anti-
Glue band, 15 belt armours, 16 heat-shrink tubes, 17 pyrocondensation belts
Embodiment
Technical solution of the present invention is described in further detail with reference to Figure of description and specific embodiment.
As shown in figure 1, the present invention provides a kind of cable intermediate joint, for entering to the three-phase electricity cable of twice power cables
Row connection, the cable intermediate joint include conductor jointing 1, cold shrink type middle joint main body 2, cable shield recovery section
Divide 3, cable inner restrictive coating recovered part 4, mechanical protection and waterproof sealing part 5, it is characterised in that：
The transition joint is insulated using multi-layer solid complex media and sealing structure.
The cold shrink type middle joint main body 2 using integral type multi-layer compound structure, from inside to outside including stress cone 6,
Internal shield 7, insulating barrier 8 and external shielding layer 9；Each layer of cold shrink type middle joint main body uses liquid silicone rubber material,
Wherein stress cone, interior external shielding layer use fluid silicone rubber semiconductive material, and insulating barrier uses fluid silicone rubber Insulation Material.Due to one
Body formula structure employs the fluid silicone rubber of base material, so that it is guaranteed that each interlayer of transition joint main body have good cohesive,
Anti-flammability and elasticity (as shown in Figure 2).
The cold shrink type middle joint main body, it is characterized in that internal shield 7 and insulating barrier 8 are non-uniform internal diameter structures.Institute
The centre position of internal shield 7 is stated, there is provided multiple semiconductive step type contact points 10.Transition joint main body internal shield 7
Non- uniform internal diameter structure and stepped contact point, can be in transition joint running be prevented, because long-term hard contact causes cable
Broken internal shield is slided at sophisticated position after the crimping of conductor jointing, while ensure that internal shield and cable conductor jointing
Effective contact, avoid due to loose contact cause internal shield have floating potential so that be developed to insulation breakdown failure hair
It is raw.
The cable shield recovered part, it is characterized in that 12 combining structure is grounded using copper shield net 11 and copper,
Structure can be formed by reasonable selection, be flexibly applied to neutral ground and isolated neutral system.For neutral ground
System, full conducting structure is grounded using copper shield net and copper, and conducting both ends cable of copper shield layer and local terminal are grounded using copper
Steel armor of cable layer, using copper shield net turn on both ends cable of copper shield layer, so as to for cable recover short-channel.For neutrality
Point isolated neutral system, using copper shield net single structure, only turn on both ends cable of copper shield layer.
The cable inner restrictive coating recovered part, it is characterized in that using MULTILAYER COMPOSITE band winding arrangement, pass through respectively half
Overlapping alternately winding PVC transparent adhesive tape 13, adhesive waterproof tape 14, strengthen the water resistance of transition joint.
The mechanical protection and waterproof sealing part, it is characterized in that by half overlap wrapping belt armour 15, strengthen in cable
Between joint mechanical protection performance；By the wrapped pyrocondensation belt 17 of transition joint outermost layer and socket heat-shrink tube 16, further plus
The sealing performance of strong transition joint, improves overall operation reliability.
As shown in figure 3, the fabrication and installation method of above-mentioned cable intermediate joint is：
1. cable pre-processes
1.1 confirm the size of the types of cables, major insulation and conductor, to select the transition joint main body of suitable dimension；
Major insulation, screen layer, copper strips, inner sheath, steel armour and the oversheath of 1.2 stripping cables, polish inner sheath and steel armour,
And clean；
2. crimp conductor jointing
Cold shrink type middle joint main body is inserted in cable one end to be connected by 2.1, and the other end to be connected is inserted in copper shield
Net, expose cable major insulation and conductor；
2.2 are enclosed on conductor jointing on the cable conductor at both ends, are crimped using special jointing by crimping order
The conductor jointing, the burr removed on jointing by polishing after the completion of crimping, it should prevent from during polishing polluting insulating barrier
And semi-conductive layer；
3. cold shrink type middle joint main body is installed
3.1 use cleaning paper cleaning cable major insulation and conductor jointing；
3.2 after the cleaning agent moisture volatilization completely of cleaning paper is ensured, using the dehumidifying of heat energy mode, (firelock heats or electricity blows
Wind heats), the then coating silicone grease in cable major insulation and conductor jointing；
3.3 are moved to cold shrink type middle joint main body in major insulation and conductor jointing；
4. recover cable shield
4.1 by copper shield net unfolding, is enclosed on cold shrink type middle joint body exterior, and copper ground wire is ridden over into copper shield net
On, it is fastened with adhesive tape；
5. external sheath layer in recovering
5.1 half overlap wrapping PVC transparent adhesive tapes, in PVC transparent adhesive tape upper half overlap wrapping adhesive waterproof tape；
5.2 are fixed on copper ground wire on steel armour, then half overlap wrapping adhesive waterproof tape；
6. recover mechanical protection and waterproof sealing protection
6.1 in adhesive waterproof tape upper half overlap wrapping belt armour, until transition joint part is completely capped；
6.2 outside belt armour wrapped pyrocondensation belt, and be socketed heat-shrink tube, heat shrink carried out using firelock, until heat
Transition joint is completely covered in the draw and pyrocondensation belt.
Applicant is described in detail and described to embodiments of the invention with reference to Figure of description, but this area skill
Art personnel are it should be understood that above example is only the preferred embodiments of the invention, and explanation is intended merely to help reader in detail
More fully understand that the present invention is spiritual, and not limiting the scope of the invention, on the contrary, any invention essence based on the present invention
Any improvement or modification that god is made should all be fallen within the scope and spirit of the invention.
Claims (12)
1. a kind of cable intermediate joint, for being attached to the three-phase electricity cable of twice power cables, in the cable indirectly
Head includes conductor jointing, cold shrink type middle joint main body, cable shield recovered part, cable inner restrictive coating recovery section
Point, mechanical protection and waterproof sealing part, it is characterised in that：
The transition joint is insulated using multi-layer solid complex media and sealing structure；
The cold shrink type middle joint main body uses the multi-layer compound structure of integral type, from inside to outside including stress cone, inner shield
Layer, insulating barrier and external shielding layer；Each layer of cold shrink type middle joint main body uses liquid silicone rubber material, wherein stress
Cone, interior external shielding layer use fluid silicone rubber semiconductive material, and insulating barrier uses fluid silicone rubber Insulation Material.
2. cable intermediate joint according to claim 1, it is characterised in that：
The internal shield of wherein described cold shrink type middle joint main body and insulating barrier are non-uniform internal diameter structures, the internal shield
Internal diameter is bigger than insulating barrier, and in the centre position of the internal shield, there is provided multiple semiconductive step type contact points.
3. cable intermediate joint according to claim 1, it is characterised in that：
The combining structure that wherein described cable shield recovered part is grounded using copper shield net and copper, for neutral ground
System, full conducting structure is grounded using copper shield net and copper, and conducting both ends cable of copper shield layer and local terminal are grounded using copper
Steel armor of cable layer, using copper shield net turn on both ends cable of copper shield layer, so as to for cable recover short-channel；For neutrality
Point isolated neutral system, using copper shield net single structure, only turn on both ends cable of copper shield layer.
4. cable intermediate joint according to claim 1, it is characterised in that：
Wherein described cable inner restrictive coating recovered part uses MULTILAYER COMPOSITE band winding arrangement, respectively half overlapping alternately winding
PVC transparent adhesive tape and adhesive waterproof tape.
5. cable intermediate joint according to claim 1, it is characterised in that：
Wherein described mechanical protection uses half overlap wrapping belt armour with waterproof sealing part, and heat is socketed in transition joint outermost layer
The draw and wrapped pyrocondensation belt, a kind of mechanical protection and waterproof construction, belt armour is made using belt armour, heat-shrink tube and its PUR
With chemisorption power on heat-shrink tube and hot melt adhesive connection contacting surface, bond, while belt armour surface irregularity and heat are formed
Caused mechanical snap effect, forms snap-in force, strengthens mechanical protection performance and sealing property between the draw and PUR.
6. a kind of fabrication and installation method of cable intermediate joint, cold shrink type middle joint main body uses the MULTILAYER COMPOSITE knot of integral type
Structure, from inside to outside including stress cone, internal shield, insulating barrier and external shielding layer；Each layer of cold shrink type middle joint main body is equal
Using liquid silicone rubber material, wherein stress cone, interior external shielding layer uses fluid silicone rubber semiconductive material, and insulating barrier uses liquid
Silicon rubber insulation material；Characterized in that, the fabrication and installation method comprises the following steps：
(1) cable pre-processes；
(2) conductor jointing is crimped；
(3) cold shrink type middle joint main body is installed；
(4) cable shield is recovered；
(5) external sheath layer in recovering；
(6) recover mechanical protection to protect with waterproof sealing.
7. fabrication and installation method according to claim 6, it is characterised in that the step of wherein described cable pre-processes is wrapped
Include：
(7.1) size of the type of confirmation cable, major insulation and conductor, to select the transition joint main body of suitable dimension；
(7.2) major insulation of stripping cable, screen layer, copper strips, inner sheath, steel armour and oversheath, polish inner sheath and steel armour, and
Cleaning.
8. fabrication and installation method according to claim 6, it is characterised in that the step of wherein described crimping conductor jointing
Suddenly include：
(8.1) cold shrink type middle joint main body being inserted in cable one end to be connected, the other end to be connected is inserted in copper shield net,
Expose cable major insulation and conductor；
(8.2) conductor jointing is enclosed on the cable conductor at both ends, crimps the conductor jointing.
9. fabrication and installation method according to claim 6, it is characterised in that wherein described installation cold shrink type middle joint master
The step of body, includes：
(9.1) coating silicone grease in major insulation and conductor jointing；
(9.2) cold shrink type middle joint main body is moved in major insulation and conductor jointing.
10. fabrication and installation method according to claim 6, it is characterised in that the wherein described step for recovering cable shield
Suddenly include：
(10.1) by copper shield net unfolding, cold shrink type middle joint body exterior is enclosed on, it is online that copper ground wire ridden over into copper shield,
It is fastened with adhesive tape.
11. fabrication and installation method according to claim 6, it is characterised in that wrapped in the recovery the step of external sheath layer
Include：
(11.1) half overlap wrapping PVC transparent adhesive tapes, in PVC transparent adhesive tape upper half overlap wrapping adhesive waterproof tape；
(11.2) copper ground wire is fixed on steel armour, then half overlap wrapping adhesive waterproof tape.
12. fabrication and installation method according to claim 6, it is characterised in that the recovery mechanical protection and waterproof sealing
The step of protection, includes：
(12.1) in adhesive waterproof tape upper half overlap wrapping belt armour, until transition joint part is completely capped；
(12.2) the wrapped pyrocondensation belt outside belt armour, and heat-shrink tube is socketed, heat shrink is carried out using firelock, until pyrocondensation
Transition joint is completely covered in pipe and pyrocondensation belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083683.1A CN107706879A (en) | 2017-11-07 | 2017-11-07 | A kind of cable intermediate joint and its fabrication and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083683.1A CN107706879A (en) | 2017-11-07 | 2017-11-07 | A kind of cable intermediate joint and its fabrication and installation method |
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| Publication Number | Publication Date |
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| CN107706879A true CN107706879A (en) | 2018-02-16 |
Family
ID=61178285
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| CN201711083683.1A Pending CN107706879A (en) | 2017-11-07 | 2017-11-07 | A kind of cable intermediate joint and its fabrication and installation method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245022A (en) * | 2018-09-19 | 2019-01-18 | 吉唯达(上海)电气有限公司 | A kind of wrapped transition joint of cable and its manufacture craft |
| CN109301514A (en) * | 2018-11-12 | 2019-02-01 | 上海西邦电气有限公司 | A kind of insulating tube type busbar attachment device and its application method |
| CN109962442A (en) * | 2019-03-21 | 2019-07-02 | 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 |
| CN110635444A (en) * | 2019-11-11 | 2019-12-31 | 李新荷 | Temperature sensing optical fiber type power cable joint structure adopting guide cover |
| CN111585217A (en) * | 2019-02-19 | 2020-08-25 | 安徽省浩辉电力技术有限公司 | Manufacturing method of fireproof and waterproof intermediate joint |
| CN111697405A (en) * | 2020-05-23 | 2020-09-22 | 国家电网有限公司 | Cold connection method for grounding lead of intermediate joint of high-voltage cable |
| CN111855107A (en) * | 2020-07-08 | 2020-10-30 | 国网天津市电力公司电力科学研究院 | Method for testing sealing performance of cold-shrinkage intermediate joint of cable of 35kV or below |
| CN112946437A (en) * | 2021-02-03 | 2021-06-11 | 广州高力电缆附件有限公司 | Monitoring type cable intermediate head |
| CN116914526A (en) * | 2023-07-17 | 2023-10-20 | 保定合力达电缆附件有限公司 | Fusion type connection process of high-voltage aluminum alloy cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201956653U (en) * | 2011-03-01 | 2011-08-31 | 长园电力技术有限公司 | Cable middle joint for railways |
| CN102263394A (en) * | 2010-05-27 | 2011-11-30 | 深圳市沃尔核材股份有限公司 | Waterproof method of thermal contraction cable middle joint |
| CN103178482A (en) * | 2013-03-20 | 2013-06-26 | 国家电网公司 | Cable-wrapped type joint and manufacturing method thereof |
| CN203481717U (en) * | 2013-10-22 | 2014-03-12 | 国家电网公司 | Waterproof cable drawing head |
| CN104967065A (en) * | 2015-06-05 | 2015-10-07 | 中国十七冶集团有限公司 | Copper hood type high voltage cold shrink intermediate joint production method based on inner electrode |
| CN207705751U (en) * | 2017-11-07 | 2018-08-07 | 广州高力电缆附件有限公司 | A kind of cable intermediate joint |
-
2017
- 2017-11-07 CN CN201711083683.1A patent/CN107706879A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263394A (en) * | 2010-05-27 | 2011-11-30 | 深圳市沃尔核材股份有限公司 | Waterproof method of thermal contraction cable middle joint |
| CN201956653U (en) * | 2011-03-01 | 2011-08-31 | 长园电力技术有限公司 | Cable middle joint for railways |
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