CN202333718U - Quick connector for 20 kV tunnel cables - Google Patents
Quick connector for 20 kV tunnel cables Download PDFInfo
- Publication number
- CN202333718U CN202333718U CN2011203907366U CN201120390736U CN202333718U CN 202333718 U CN202333718 U CN 202333718U CN 2011203907366 U CN2011203907366 U CN 2011203907366U CN 201120390736 U CN201120390736 U CN 201120390736U CN 202333718 U CN202333718 U CN 202333718U
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- Prior art keywords
- joint
- shell
- cable
- functional pieces
- functor
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- Expired - Lifetime
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Abstract
A quick connector for 20 kV tunnel cables belongs to cable accessories in a medium-and-low-voltage power transmission system, particularly a quick connector for tunnel cables. The quick connector consists of a housing, branched cable fixing functional pieces, sealing insulating functional pieces and butting conductive functional pieces. As the epoxy glass steel housing is additionally arranged, the waterproof, explosion-proof, wear-resistant and drawing prevention performance are remarkably improved; the branched cable fixing functional pieces are applied, so that the heat dissipation condition at the joint is improved; the butting conductive functional pieces are wiring terminals with enhanced mechanical strength and guaranteed drawing prevention performance; and sealing pipes and cold shrinkage joints in the sealing insulating functional pieces adopt the cold shrinkage pre-expansion technology, so that cable joints are tight in elastic sealing match, and can be mounted quickly and conveniently.
Description
Technical field
The utility model belongs to the electric cable accessories in the mesolow transmission system, especially the snap joint of tunnel cable.
Background technology
The snap joint of 20kV tunnel cable is the link that is used for power transmission cable in the tunnel.At present; This series products country is not still had unified product standard, and power construction side can take various ways to handle interconnecting of tunnel cable, such as the cold-contraction type joint; Promptly behind the cable core of conductor connecting tube crimping two ends, overcoat shrinkage protecting pipe or external application insulation band.The prefabricated joint is arranged again, and promptly behind the cable core of conductor connecting tube crimping two ends, overcoat has the prefabricated pipe fitting of rubber of stress cone.Also have wrapped formula joint, promptly behind the cable core of conductor connecting tube crimping two ends, the outer winding coats semiconductor self-adhesive tape and insulation self-adhesive tape.Not enough below the tunnel cable joint ubiquity of above-mentioned various ways: (1) does not have fire prevention, explosion-proof performance.(2) mechanical strength, anti-wear performance, poor corrosion resistance.(3) the water-tight performance is bad.(4) in the tunnel of sealing, bad easy break-down dispels the heat at the cable joint place.
Summary of the invention
The purpose of the utility model provides a kind of, have fire prevention, explosion-proof, waterproof, wear-resisting, corrosion-resistant, mechanical strength is high, and the dedicated tunnel cable joint of rapid construction operation.
For realizing above-mentioned purpose, the technical scheme of the utility model is the snap joint of a kind of 20kV tunnel cable of design.It is made up of shell, branch solidus functor, sealed insulation functor and butt joint conducting function spare.Wherein, shell is that half spindle housing by two symmetries connects into a spindle housing through joint bolt; Branch solidus functor comprises that three hole supporting brackets and opening bracing frame are mounted in the housing; The sealed insulation functor comprises tri-finger stall, sealed tube shrinkage joint, sealing filling glue, water blocking tape and ground protection screen; Butt joint conducting function spare is a binding post.And the half spindle housing butt joint in shell to be two of the prefabricated shaping of fiber glass epoxy have Butt sealing groove pad and joint bolt hole forms; Three hole supporting brackets and opening bracing frame are the engineering plastics prefabricated component; Tri-finger stall, sealed tube and shrinkage joint are the predilation silica gel pipe fitting that interior tool can be torn polypropylene spiral branches stay; The ground protection screen is for tightly attaching the thin metal pipe tube of inner surface of outer cover.
Be provided with the expoxy glass outer steel shell with known technology comparison the utility model, and be provided with the Butt sealing pad, the two ends incoming line has been filled waterproof gasket cement and water blocking tape, can make the cable joint waterproof, explosion-proof, wear-resisting, anti-ly pull performance and obviously improve; Use branch solidus functor, the joint heat dissipating state is improved; Butt joint conducting function spare is that binding post is firm with the butt joint of two ends core with bolt, and mechanical strength increases, the anti-performance that pulls is able to guarantee; Sealed tube in the sealed insulation functor, shrinkage joint all adopt shrinkage predilation technology, the elastic packing of cable joint is cooperated closely, install fast, convenient.
Description of drawings
Accompanying drawing is the structural representation of the utility model.
Glue 11-water blocking tape 12-joint bolt is filled in 1-binding post 2-shrinkage joint 3-sealed tube 4-tri-finger stall 5-three hole supporting bracket 6-opening bracing frame 7-ground protection screen 8-earth connection 9-shell 10-sealings among the figure.
Embodiment
Specify the structure and the assembling process of the utility model below in conjunction with accompanying drawing: as shown in the figure, the utility model is made up of shell (9), three hole supporting brackets (5), opening bracing frame (6), tri-finger stall (4), sealed tube (3), shrinkage joint (2), sealing filling glue (10), water blocking tape (11), ground protection screen (7), binding post (1).Wherein shell (9) is that two and half fusiform fiber glass epoxy premade shells butt joints form; Three hole supporting brackets (5), opening bracing frame (6) are the engineering plastics prefabricated component; Tri-finger stall (4), sealed tube (3), shrinkage joint (2) can be torn the prefabricated pipe fitting of desire expansion silica gel of polypropylene spiral branches stay for interior tool; The socket that the ground protection screen is rolled into for aluminium foil.During assembling; Shell (9) is enclosed within the cable two ends, install additional ground protection screen (7)-handle cable, separately heart yearn, connect ground wire (8)-outside the cable at shell (9) two-port place, twine sealing and fill glue (10)-installation tri-finger stall (4)-installation sealed tube (3)-installation shrinkage joint (2)-installation three hole supporting brackets (5) and penetrate heart yearn-installation connection terminal (1)-construction opening bracing frame (6) and embed heart yearn-butt joint bolt and be right after line terminals (1)-butt joint shell (9) and fasten joint bolt (12)-wrapped water blocking tape (11) in the port.
Claims (5)
1.20kV tunnel cable snap joint; Form by shell (9), branch solidus functor, sealed insulation functor, butt joint conducting function spare, it is characterized in that said shell (9) is that half spindle housing by two symmetries connects into a spindle housing through joint bolt (12); Branch solidus functor comprises that three hole supporting brackets (5) and opening bracing frame (6) are mounted in the housing (9); The sealed insulation functor comprises tri-finger stall (4), sealed tube (3), shrinkage joint (2), sealing filling glue (10), water blocking tape (11) and ground protection screen (7); Butt joint conducting function spare, i.e. binding post (1).
2. according to the snap joint of the said 20kV tunnel cable of claim 1, it is characterized in that said shell (9) is that two half spindle housing butt joints with Butt sealing pad and joint bolt hole of the prefabricated shaping of fiber glass epoxy form.
3. according to the snap joint of the said 20kV tunnel cable of claim 1, it is characterized in that said three hole supporting brackets (5) and opening bracing frame (6) are the engineering plastics prefabricated component.
4. snap joint is characterized in that said tri-finger stall (4), sealed tube (3), shrinkage joint (2) are the desire expansion silica gel pipe fitting that interior tool can be torn polypropylene spiral branches stay according to the said 20kV tunnel cable of claim 1.
5. according to the snap joint of the said 20kV tunnel cable of claim 1, it is characterized in that the said ground protection screen (7) that connects is for tightly attaching the thin metal pipe tube of shell (9) inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203907366U CN202333718U (en) | 2011-10-14 | 2011-10-14 | Quick connector for 20 kV tunnel cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203907366U CN202333718U (en) | 2011-10-14 | 2011-10-14 | Quick connector for 20 kV tunnel cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202333718U true CN202333718U (en) | 2012-07-11 |
Family
ID=46445684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203907366U Expired - Lifetime CN202333718U (en) | 2011-10-14 | 2011-10-14 | Quick connector for 20 kV tunnel cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202333718U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036192A (en) * | 2012-12-12 | 2013-04-10 | 上海南大集团有限公司 | Intelligent cable connector |
| CN103972851A (en) * | 2013-01-29 | 2014-08-06 | 江苏澳能电力电缆附件有限公司 | Cold-shrink intermediate joint |
| CN107579503A (en) * | 2017-08-24 | 2018-01-12 | 国网陕西省电力公司西安供电公司 | A kind of cable connector explosion-protection equipment based on silicone oil STF |
| CN108429224A (en) * | 2018-04-11 | 2018-08-21 | 江苏中天科技电缆附件有限公司 | A kind of novel extra large land cable crossover sub |
| CN111769511A (en) * | 2020-06-01 | 2020-10-13 | 深圳供电局有限公司 | Joint connecting device |
-
2011
- 2011-10-14 CN CN2011203907366U patent/CN202333718U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036192A (en) * | 2012-12-12 | 2013-04-10 | 上海南大集团有限公司 | Intelligent cable connector |
| CN103972851A (en) * | 2013-01-29 | 2014-08-06 | 江苏澳能电力电缆附件有限公司 | Cold-shrink intermediate joint |
| CN107579503A (en) * | 2017-08-24 | 2018-01-12 | 国网陕西省电力公司西安供电公司 | A kind of cable connector explosion-protection equipment based on silicone oil STF |
| CN108429224A (en) * | 2018-04-11 | 2018-08-21 | 江苏中天科技电缆附件有限公司 | A kind of novel extra large land cable crossover sub |
| CN111769511A (en) * | 2020-06-01 | 2020-10-13 | 深圳供电局有限公司 | Joint connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |