CN201113371Y - Sea floor optical fibre composite power cable joint box - Google Patents
Sea floor optical fibre composite power cable joint box Download PDFInfo
- Publication number
- CN201113371Y CN201113371Y CNU200720046387XU CN200720046387U CN201113371Y CN 201113371 Y CN201113371 Y CN 201113371Y CN U200720046387X U CNU200720046387X U CN U200720046387XU CN 200720046387 U CN200720046387 U CN 200720046387U CN 201113371 Y CN201113371 Y CN 201113371Y
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- power cable
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Abstract
The utility model relates to a submarine optical fiber composite power cable terminal box, in particular to a submarine optical fiber composite power cable connection device. A special terminal box, which is suitable for the connection of a submarine optical fiber composite power cable, comprises a bending limiter, an external cone, an internal cone, an external drum body, a force bearing nut, optical fiber unit sealing holder bodies, a fiber storing disc, an optical fiber unit sealing drum, optical unit clamps, a connecting duct, reinforced wrapped insulator, a lead pipe and a heat shrinkable sleeve, wherein the fiber storing disc is connected between the two optical fiber unit sealing holder bodies through a locating shaft; the optical fiber unit sealing holder bodies are connected with the optical unit through the optical unit clamps; a cable conductor is in crimp connection through the connecting duct; a cable joint insulator is connected through the reinforced wrapped insulator; a cable metal duct is welded through the lead pipe; a cable metal oversheath is connected through the heat shrinkable sleeve; the external cone and the internal cone clamp an armoring steel wire through a connecting bolt; the external drum body is fixed on the internal cone; and the bending limiter is fixed on the external cone.
Description
Technical field
What the utility model seabed fiber compound power cable connector box related to is a kind of seabed fiber compound power cable connection device, is applicable to the special joint box that seabed fiber compound power cable continues.
Background technology
Seabed fiber compound power cable mainly uses interconnecting between interconnecting between island and continent or island and the island, land and offshore oil platform and offshore oil platform, satisfies simultaneously that electric power is carried, the needs of optical fiber communication.Because the particularity of seabottom geology and hydrologic regime has than big-difference laying with service conditions and land cable of seabed fiber compound power cable.Seabed fiber compound power cable is when laying or keep in repair, because the deadweight of the pressure of water, cable and the effect of machinery when laying, cable can be subjected to very big mechanical stress (stretch, reverse, bending), in addition, seabed fiber compound power cable operates in erosion, the corrosion that also can be subjected to corrosive substance and aquatic organism in the complicated environments such as subsea, even be subjected to the destruction that ship casts anchor, fishes mechanical forces such as operation, therefore, seabed fiber compound power cable has higher mechanical performance and stronger Corrosion Protection than land cable.
Summary of the invention
The purpose of this utility model provides a kind of seabed fiber compound power cable connector box at above-mentioned weak point, be mainly used between land and island or the seabed fiber compound power cable of link intermediate node continues, can realize the connection of subsea power system, communication system.
Seabed fiber compound power cable connector box takes following scheme to realize:
The seabed fiber compound power cable connector box structure comprises bending restrictor, outer cone, inner cone, outer cylinder body, load nut, fiber unit sealing pedestal, fiber storage tray, fiber unit sealing drum, light unit anchor clamps, connecting duct, increases around insulator, lead pipe, heat-shrinkable T bush.
Fiber storage tray is connected the centre of two fiber unit sealing pedestals by locating shaft; Fiber unit sealing pedestal is connected with the light unit by light unit anchor clamps, and light unit anchor clamps are two semi-circular open-close types (Hough formula) clamping structures; The fiber unit sealing drum is connected with the sealing pedestal by the load nut; Cable conductor connects by the connecting duct crimping; The connection of cable joint insulator is to connect by increasing around insulator; The connection of cable metal conduit is welded by lead pipe; The cable metal oversheath connects by heat-shrinkable T bush; Outer cone and inner cone clamp armouring wire by connecting bolt; Outer cylinder body is fixed on the inner cone; Bending restrictor is fixed on the outer cone.
The connection technology of seabed fiber compound power cable connector box is achieved in that
1. open stripping seabed fiber compound power cable oversheath and armoured steel wire;
2. the connection of cable joint: a, cable conductor connect: adopt compression joint technique, connecting duct is enclosed within carries out crimping on the conductor, guarantee the connection of cable conductor.B, cable insulation connect recovery: the connection of cable joint insulator, adopting insulating tape, semi-conductive screen band and stress to eliminate the band twining package tape carries out wrapped, when making joint, belt is wrapped under extended state, the residual tensions of belt becomes the pressure between the belt after wrapped, wrapped postadhesion is integral, and forms to increase around insulator.C, cable lead sheath recover: lead pipe is enclosed within on the cable lead sheath, and the compression lead pipe is removed the oxide layer on surface; lead pipe is welded on the cable metal sheath; guarantee the continuity and the sealing property of metallic sheath, ward off lead at metallic sheath welding point place again, add the epistasis protection.D, cable jacket recover: outside the lead pipe that recovers, and heat shrink heat-shrinkable T bush, the continuity and the sealing of assurance cable jacket.
3. the light unit connects: a, with the fiber unit seal receptacle fiber unit is sealed, and fix fiber unit with light unit anchor clamps; B, the fiber unit seal receptacle is connected with fiber storage tray, optical fiber is carried out welding; C, sealing drum is connected with seal receptacle with the load nut.
4. with bolted outer cone and inner cone, guarantee the mechanical performance of seabed fiber compound power cable connector box.Outer cylinder body is fixed on the inner cone pitch paying in outer cylinder body.
5. bending restrictor is fixed on the outer cone seat, guarantees the bending property of seabed fiber compound power cable and connector box junction.
Characteristics of the present invention:
Seabed fiber compound power cable connector box is applicable to seabed fiber compound power cable, structure adopts upright and outspoken type structure, the pressure of the cable joint part and the anti-300m depth of water of optical fiber splice part adopts the good stainless steel 316L of sea water corrosion resistant on material selection.According to actual operating position in the past, in the armouring end of shell body two ends cable, designed the bending restrictor of cone rubber, it can prevent the cable overbending that forms easily of masterpiece time spent armouring end outside effectively; In addition, the cone rubber sheath is made with the sea water resistance elastomeric material, and installs metal insert additional in inside, has not only guaranteed useful life but also guaranteed intensity.
Steel wire clamps on the principle and adopts oblique-wedge clamping system; guaranteed the seabed fiber compound power cable mechanical performance; fiber unit connects hermetically-sealed construction to be adopted with seabed cable joint box connection design of Sealing Structure; consider that the light unit does not have sheathed structure; in light unit seal protection seat, increased light unit stationary fixture; thereby guaranteed the mechanical performance of fiber unit, made partial structurtes compacter.Cable joint partly adopts the wrapped joint technology of cable, and the office that does not increase cable joint has high-volume so just guaranteed the convenient and swift of site operation installation.Seabed fiber compound power cable connector box can assemble on cable laying ship, and can satisfy the construction requirement that lays on the existing cable laying ship with fishing.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is the cable joint schematic diagram of seabed fiber compound power cable connector box.
Fig. 2 is the light unit joint schematic diagram of seabed fiber compound power cable connector box.
Fig. 3 is the sheathed structure schematic diagram of seabed fiber compound power cable connector box
Fig. 4 is the seabed fiber compound power cable connector box structural representation.
Mark among the figure: 1, bending restrictor, 2, outer cone, 3, armouring wire, 4, inner cone, 5, outer cylinder body, 6, the light unit, 7, the load nut, 8, fiber unit sealing pedestal, 9, fiber storage tray, 10, the fiber unit sealing drum, 11, light unit anchor clamps, 12, cable jacket, 13, heat-shrinkable T bush, 14, cable lead sheath, 15, lead pipe, 16, connecting duct, 17, cable conductor, 18, increase, 19, the cable joint insulator around insulator.
Embodiment
With reference to accompanying drawing 1,2,3,4, the seabed fiber compound power cable connector box structure comprises bending restrictor 1, outer cone 2, armouring wire 3, inner cone 4, outer cylinder body 5, light unit 6, load nut 7, fiber unit sealing pedestal 8, fiber storage tray 9, fiber unit sealing drum 10, light unit anchor clamps 11, cable jacket 12, heat-shrinkable T bush 13, cable lead sheath 14, lead pipe 15, connecting duct 16, cable conductor 17, increases around insulator 18, cable joint insulator 19.
Seabed fiber compound power cable connector box is to connect like this:
Seabed fiber compound power cable connector box connects technology and is achieved in that
1. open stripping seabed fiber compound power cable oversheath and armoured steel wire;
2. the connection of cable joint: a, conductor connect: adopt compression joint technique, connecting duct 16 is enclosed within carries out crimping on the cable conductor 17, guarantee the connection of conductor.B, insulation connect recovery: the connection of cable joint insulator 19, adopting insulating tape, semi-conductive screen band and stress to eliminate the band twining package tape carries out wrapped, when making joint, belt is wrapped under extended state, the residual tensions of belt becomes the pressure between the belt after wrapped, and wrapped postadhesion is integrally formed and increases around insulator 18.C, cable lead sheath recover: lead pipe 15 is enclosed within on the cable lead sheath 14, and compression lead pipe 15 is removed the oxide layer on surface; contact-making surface is welded; guarantee the continuity and the sealing property of cable lead sheath 14, ward off lead at lead pipe 15 welding point places again, add the epistasis protection.D, cable jacket recover: outside lead pipe 15, and heat shrink heat-shrinkable T bush 13, the continuity and the sealing of assurance sheath.The sealing of cable joint is to lean on the pyrocondensation of the welded seal of lead pipe 15 and heat-shrinkable T bush 13 to seal to finish.
3. the light unit connects: a. seals fiber unit with fiber unit seal receptacle 8, and fixes fiber unit with light unit anchor clamps 11; B. fiber unit seal receptacle 8 is connected with fiber storage tray 9, optical fiber is carried out welding; C. fiber unit sealing drum 10 is connected with seal receptacle 8 with load nut 7.The sealing of light unit is finished by the sealing ring in " V " shape sealing ring in the fiber unit seal receptacle 8 and the fiber unit sealing drum 10.
4. with bolted outer cone 2 and inner cone 4, guarantee the mechanical performance of seabed fiber compound power cable connector box.Outer cylinder body 5 is fixed on the inner cone 4 pitch paying in outer cylinder body 5.
5. bending restrictor 1 is fixed on the outer cone 2, guarantees the bending property of seabed fiber compound power cable and connector box junction.
Seabed fiber compound power cable connector box connects technology construction on-the-spot carrying out on workboat.
Claims (2)
1, a kind of seabed fiber compound power cable connector box is characterized in that structure comprises bending restrictor, outer cone, inner cone, outer cylinder body, load nut, fiber unit sealing pedestal, fiber storage tray, fiber unit sealing drum, light unit anchor clamps, connecting duct, increases around insulator, lead pipe, heat-shrinkable T bush;
Fiber storage tray is connected the centre of two fiber unit sealing pedestals by locating shaft; Fiber unit sealing pedestal is connected with the light unit by light unit anchor clamps, and light unit anchor clamps are two semi-circular open-close type clamping structures; The fiber unit sealing drum is connected with the sealing pedestal by the load nut; Cable conductor connects by the connecting duct crimping; The connection of cable joint insulator is to connect by increasing around insulator; The connection of cable metal conduit is welded by lead pipe; The cable metal oversheath connects by heat-shrinkable T bush; Outer cone and inner cone clamp armouring wire by connecting bolt; Outer cylinder body is fixed on the inner cone; Bending restrictor is fixed on the outer cone.
2, seabed fiber compound power cable connector box according to claim 1, the connection that it is characterized in that the cable joint insulator is to adopt insulating tape, semi-conductive screen band and stress to eliminate the band twining package tape to carry out wrapped, wrapped postadhesion is integral, and forms to increase around insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720046387XU CN201113371Y (en) | 2007-10-15 | 2007-10-15 | Sea floor optical fibre composite power cable joint box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720046387XU CN201113371Y (en) | 2007-10-15 | 2007-10-15 | Sea floor optical fibre composite power cable joint box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201113371Y true CN201113371Y (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720046387XU Expired - Lifetime CN201113371Y (en) | 2007-10-15 | 2007-10-15 | Sea floor optical fibre composite power cable joint box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201113371Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183780B (en) * | 2007-10-15 | 2010-06-16 | 江苏中天科技股份有限公司 | Seabed fiber compound power cable connector box and connection technique thereof |
| CN102163830A (en) * | 2010-12-17 | 2011-08-24 | 华北电力科学研究院有限责任公司 | Linear interconnection method and device for optical fiber composite power cable |
| CN103531986A (en) * | 2013-10-16 | 2014-01-22 | 广东吉熙安电缆附件有限公司 | Grounding method for cable armor and grounding device thereof |
| CN109611035A (en) * | 2018-11-26 | 2019-04-12 | 中国石油大学(北京) | Conduit bearing capacity stiffening device and its application method |
-
2007
- 2007-10-15 CN CNU200720046387XU patent/CN201113371Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183780B (en) * | 2007-10-15 | 2010-06-16 | 江苏中天科技股份有限公司 | Seabed fiber compound power cable connector box and connection technique thereof |
| CN102163830A (en) * | 2010-12-17 | 2011-08-24 | 华北电力科学研究院有限责任公司 | Linear interconnection method and device for optical fiber composite power cable |
| CN102163830B (en) * | 2010-12-17 | 2015-04-01 | 华北电力科学研究院有限责任公司 | Linear interconnection method and device for optical fiber composite power cable |
| CN103531986A (en) * | 2013-10-16 | 2014-01-22 | 广东吉熙安电缆附件有限公司 | Grounding method for cable armor and grounding device thereof |
| CN103531986B (en) * | 2013-10-16 | 2016-05-25 | 广东吉熙安电缆附件有限公司 | A kind of earthing method of cable armouring |
| CN109611035A (en) * | 2018-11-26 | 2019-04-12 | 中国石油大学(北京) | Conduit bearing capacity stiffening device and its application method |
| CN109611035B (en) * | 2018-11-26 | 2023-11-10 | 中国石油大学(北京) | Catheter bearing capacity reinforcing device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongtian Technologies Submarine Optic Fiber Cable Co., Ltd. Assignor: Zhongtian Science and Technology Co., Ltd., Jiangsu Contract fulfillment period: 2008.10.1 to 2017.10.1 Contract record no.: 2009320000337 Denomination of utility model: Seabed fiber compound power cable connector box and connection technique thereof Granted publication date: 20080910 License type: Exclusive license Record date: 20090312 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.1 TO 2017.10.1; CHANGE OF CONTRACT Name of requester: ZHONGTIAN TECHNOLOGIES SUBMARINE CABLE CO., LTD. Effective date: 20090312 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080910 Effective date of abandoning: 20071015 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080910 Effective date of abandoning: 20071015 |