CN105629412A - Submarine cable and land cable connecting device and connecting method thereof - Google Patents
Submarine cable and land cable connecting device and connecting method thereof Download PDFInfo
- Publication number
- CN105629412A CN105629412A CN201610159657.1A CN201610159657A CN105629412A CN 105629412 A CN105629412 A CN 105629412A CN 201610159657 A CN201610159657 A CN 201610159657A CN 105629412 A CN105629412 A CN 105629412A
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- Prior art keywords
- cable
- land
- optical fiber
- fiber cable
- housing
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/504—Installation in solid material, e.g. underground
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/506—Underwater installation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a submarine cable and land cable connecting device and a connecting method thereof. The connecting device comprises a cover plate, a housing, long bolts, fiber-fusing discs, a cone base and a land cable clamp. One surface of the cover plate is a plane, and the other surface is provided with a circular recess area and a circular groove with the centre being an original point; the housing is matched with the cover plate in shape; the opening end of the housing is provided with a circular ring edge, and the cylindrical surface thereof is provided with a plurality of hollow circular cylinders; one hollow circular cylinder is fixedly connected with a submarine cable through the cone base; an inner cone and an outer cone are arranged between the submarine cable and the cone base; the other hollow circular cylinder is fixedly connected with a land cable through the land cable clamp; the housing is internally provided with a plurality of fiber-fusing discs; and the fiber-fusing discs are fixed through the long bolts. The device can effectively clamp armoured steel wires to enable the submarine cable not to separate or break under fierce pulling force; and the combination of the land cable clamp and a clamping piece can provide a clamp force to enable the land cable not to be pulled out under large instant pulling force.
Description
Technical field
The present invention relates to a kind of submarine optical fiber cable and land optical cable coupling device and method of attachment thereof, be specially adapted to be connected with land optical cable after submarine optical fiber cable logs in, while, is also applicable to optical cable under water and is connected with land optical cable.
Background technology
Along with Communication in China system fast development, old Fiber Optical Submarine Cable System uses and reaches the time limit, and the dynamics of submarine optical fiber cable construction and renewal also strengthens thereupon. Submarine optical fiber cable needs after logging in be connected with land optical cable, and coupling device safe reliability in use is most important. Submarine optical fiber cable is in use; log in tie point and can irregularly be subject to bigger instantaneous pulling force; simultaneously due to tide; log in tie point can circulate between humidity and the state being submerged frequently; if tie point does not carry out available protecting; causing disconnecting, optical cable is intake, thus causes the loss of different aspect. For this kind of situation, invent a kind of submarine optical fiber cable and the coupling device of land optical cable, submarine optical fiber cable and land optical cable are fixed by this device and is connected, and bury underground, thus reach the effect that protection optical cable connects communication.
Summary of the invention
Goal of the invention: it is an object of the invention to solve deficiency of the prior art, coupling device and the method for attachment thereof of a kind of submarine optical fiber cable and land optical cable are provided, can guarantee that being connected to when being subject to instantaneous pulling force and be submerged of submarine optical fiber cable and land optical cable still can normal operation, this device all can not damage with being connected, this apparatus structure is simple, easy for installation simultaneously, reliability height, it may also be useful to year limit for length.
Technical scheme: a kind of submarine optical fiber cable of the present invention and land optical cable coupling device, comprise cover plate, housing, long screw rod, fibre melting disc, cone seat and land cable clamp, the one side of described cover plate is plane, another side is that initial point is provided with circular recessed region and ring groove taking center, it is uniformly distributed screw-threaded counterbore in surrounding simultaneously, described hull shape is mated mutually with described cover plate, the opening end of described housing is provided with annulus limit, and it is provided with many hollow cylinders at cylinder, wherein a described hollow cylinder is fixedly connected with submarine optical fiber cable by cone seat, inner cone and outer cone also it is provided with between described submarine optical fiber cable and described cone seat, wherein described in another root, hollow cylinder is fixedly connected with land optical cable by land cable clamp, also being provided with some fibre melting discs in described housing, described fibre melting disc is fixed by long screw rod.
Further, described cover plate and described housing are bolted, and the joint of described cover plate and described housing is provided with O RunddichtringO.
Further, described cone seat adopts hollow, coaxial inner cylinder and outer-hexagonal column structure, and cylinder side is provided with equally distributed threaded hole.
Further, described inner cone is hollow taper structure, and is arranged on inside described outer cone, and the miner diameter end of this taper structure is arranged on outside.
Further, described outer cone is made up of the right cylinder of coaxial two different radiis, and large cylinder limit has the threaded hole divided equally.
Further, the junction of the joint of described cone seat and submarine optical fiber cable and described land cable clamp and described land optical cable is equipped with pad and sealing-ring.
Further, also it is provided with folder sheet between described land cable clamp and described land optical cable.
Further, the hollow cylinder outer end on described housing cylinder is provided with stifled head and plug cover plate.
Further, described hollow cylinder quantity is at least four.
The invention also discloses above-mentioned a kind of submarine optical fiber cable and the method for attachment of land optical cable coupling device, comprise the steps:
(1) first determine the connection place of submarine optical fiber cable and land optical cable, dig the hole that about 1.5-2 rice is dark, or other deposits the space of this device;
(2) submarine optical fiber cable and land optical cable are drawn the space into placement, need to carry out alignment apart from the cable within end 2 meters, then handle submarine optical fiber cable and the termination of land optical cable well;
(3) by external conical sleeve at submarine optical fiber cable outermost layer, by inner conical drogue outside the insulating sheath of submarine optical fiber cable, in armouring steel wire, by cone cover for seat on the insulating sheath of submarine optical fiber cable;
(4) in order by pad, sealing-ring, pad loads in multiple hollow circular cylinders of housing, by the insulating sheath of submarine optical fiber cable through pad until enclosure interior is to suitable position;
(5) tighten on cone seat screw-in right cylinder, inner cone large round end surface is adjacent to cone seat, the armouring steel wire of submarine optical fiber cable is evenly arranged in interior poppet surface;
(6) outer cone is placed on the outside of submarine optical fiber cable armouring steel wire, it may also be useful to bolt is by fixing tight to outer cone and cone seat;
(7) land cable clamp is enclosed within the optical cable of land, in order by pad, sealing-ring, remaining in multiple hollow circular cylinders of pad loading housing one, by land optical cable through pad until enclosure interior is to suitable position;
(8) tighten on land cable clamp screw-in right cylinder, and with bolt, folder sheet and land cable clamp are connected and fixed so that it is clamping land cable;
(9) long screw rod is screwed into housing bottom, puts into fibre melting disc;
(10) by the fused fiber splice of the land optical cable handled well and submarine optical fiber cable, neat dish enters in fibre melting disc, and fixes;
(11) being enclosed within the step of stifled head by O shape sealing-ring, put into the hollow circular cylinder of housing remainder, plug cover plate, in inner side, is selected on hollow circular cylinder and tightens by O shape sealing-ring;
(12) O shape sealing-ring is put into the annular recesses of cover plate, and plane, is covered on housing upward, housing and cover plate bolt is tightened.
Useful effect: the design of tapered fixture of the present invention can effectively clamp armouring steel wire, submarine optical fiber cable is not deviate from when being subject to violent pulling force, does not rupture; Land cable clamp is combined with folder sheet can provide clamping force, and land optical cable is not drawn out under the pulling force of moment big numerical value; Sealed structure can available protecting internal connection, ensure not intake within the 10m depth of water; Housing four interfaces can freely be changed, it is possible to one-in-and-one-out, it is also possible to enters more, it is also possible to two enter scene 2; This structure is mainly used in the connection of optical cable at the bottom of submarine optical fiber cable and land, is also suitable for the connection with other Water line optic cable and land optical cable simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural front view of one embodiment of the invention;
Fig. 2 is the structure sectional view of Fig. 1.
Embodiment
A kind of submarine optical fiber cable as depicted in figs. 1 and 2 and land optical cable coupling device, this device comprises cover plate 1, housing 2, O shape sealing-ring 3, long screw rod 4, fibre melting disc 5, cone seat 6, inner cone 7, outer cone 8, land cable clamp 9, folder sheet 10, pad 11, sealing-ring 12, stifled 14, plug cover plate 15. The one side of described cover plate 1 is plane, another side is that initial point is provided with circular recessed region and ring groove taking center, it is uniformly distributed screw-threaded counterbore in surrounding simultaneously, described housing 2 shape is mated with described cover plate 1 phase, the opening end of described housing 2 is provided with annulus limit, and it is provided with many hollow cylinders at cylinder, wherein a described hollow cylinder is fixedly connected with submarine optical fiber cable 17 by cone seat 6, also being provided with inner cone 7 and outer cone 8 between described submarine optical fiber cable 17 and described cone seat 6, wherein described in another root, hollow cylinder is fixedly connected with land optical cable 16 by land cable clamp 9; Also being provided with some fibre melting discs 5 in described housing 2, described fibre melting disc 5 is fixed by long screw rod 4.
Further optimization as technique scheme:
Further, described cover plate 1 is bolted with described housing 2, and described cover plate 1 is provided with O RunddichtringO 3 with the joint of described housing 2.
Further, described cone seat 6 adopts hollow, coaxial inner cylinder and outer-hexagonal column structure, and cylinder side is provided with equally distributed threaded hole.
Further, described inner cone 7 is hollow taper structure, and is arranged on inside described outer cone 8, and the miner diameter end of this taper structure is arranged on outside.
Further, described outer cone 8 is made up of the right cylinder of coaxial two different radiis, and large cylinder limit has the threaded hole divided equally.
Further, described cone seat 6 is equipped with pad 11 and sealing-ring 12 with the joint of submarine optical fiber cable 17 and the junction of described land cable clamp 9 and described land optical cable 16.
Further, also it is provided with folder sheet 10 between described land cable clamp 9 and described land optical cable 16.
Further, the hollow cylinder outer end on described housing 2 cylinder is provided with stifled 14 and plug cover plate 15.
Further, described hollow cylinder quantity is at least four.
Concrete, one embodiment of the present of invention structure iron as depicted in figs. 1 and 2. Its cover plate is 1 cake shape, and one side is plane, and another side is that initial point has circular recessed region and ring groove taking center, is uniformly distributed screw-threaded counterbore in surrounding simultaneously; Housing 2 is cylindrical chamber shape, and opening end has annulus limit, has four hollow cylinder distributions at cylinder; O shape sealing-ring 3 is standard seal circle; Long screw rod 4 is standard screw rod; Fibre melting disc 5 is standard size fiber disk, has four; Cone seat 6 is coaxial right cylinder and outer-hexagonal cylinder, and hollow, cylinder side has and has divided equally threaded hole; Inner cone 7 is hollow taper structure; The right cylinder that outer cone 8 is two coaxial different radiis is formed, and large cylinder limit has the threaded hole divided equally, and inside is hollow cone, and miner diameter end is in small cylinder side; Land cable clamp 9 is outer-hexagonal cylinder, hollow, and there is internal thread side, and side is the outer-hexagonal cylinder of half, and axial end has symmetrical threaded hole; Folder sheet 10 is the outer-hexagonal cylinder of half, and there are four through holes same position, the face corresponding with land cable clamp 9; Pad 11 is hollow circular cylinder; Sealing-ring 12 is plate washer; Stifled 14 is right cylinder, and there is right cylinder step side; Plug cover plate 15 is outer-hexagonal cylinder, and one side closed, there is internal thread side.
The method of attachment of above-mentioned a kind of submarine optical fiber cable and land optical cable coupling device, comprises the steps:
(1) first determine the connection place of submarine optical fiber cable 17 with land optical cable 16, dig the hole that about 1.5-2 rice is dark, or other deposits the space of this device;
(2) submarine optical fiber cable 17 and land optical cable 16 are drawn the space into placement, need to carry out alignment apart from the cable within end 2 meters, then handle the termination of submarine optical fiber cable 17 with land optical cable 16 well;
(3) outer cone 8 is enclosed within submarine optical fiber cable 17 outermost layer, inner cone 7 is enclosed within outside the insulating sheath of submarine optical fiber cable 17, in armouring steel wire, cone seat 6 is enclosed within the insulating sheath of submarine optical fiber cable 17;
(4) in order by pad 11, sealing-ring 12, pad 11 loads in four hollow circular cylinders of housing 2, by the insulating sheath of submarine optical fiber cable 17 through pad 11 until enclosure interior is to suitable position;
(5) cone seat 6 is screwed in right cylinder is tightened; Inner cone 7 large round end surface is adjacent to cone seat, the armouring steel wire of submarine optical fiber cable 17 is evenly arranged in inner cone 7 surface;
(6) outer cone 8 is placed on the outside of submarine optical fiber cable 17 armouring steel wire, it may also be useful to bolt is by fixing tight to outer cone 8 and cone seat 6;
(7) land cable clamp 9 is enclosed within land optical cable 16, in order by pad 11, sealing-ring 12, pad 11 loads in remaining in four hollow circular cylinders of housing 2 three, by land optical cable 16 through pad 11 until enclosure interior is to suitable position;
(8) land cable clamp 9 is screwed in right cylinder is tightened; With bolt, folder sheet 10 and land cable clamp 9 are connected and fixed so that it is clamping land cable 16;
(9) long screw rod 4 is screwed into bottom housing 2, puts into fibre melting disc 5; By the fused fiber splice of the land optical cable 16 handled well and submarine optical fiber cable 17, neat dish enters in fibre melting disc 5, and fixes;
(10) being enclosed within by O shape sealing-ring 3 on the step of stifled 14, put into the hollow circular cylinder of housing 2 remainder, plug cover plate, in inner side, is selected on hollow circular cylinder and tightens by O shape sealing-ring 3;
(11) O shape sealing-ring 3 is put into the annular recesses of cover plate 1, and plane, is covered on housing 2 upward, housing 2 and cover plate 1 is tightened with bolt.
The design of tapered fixture of the present invention can effectively clamp armouring steel wire, submarine optical fiber cable is not deviate from when being subject to violent pulling force, does not rupture; Land cable clamp is combined with folder sheet can provide clamping force, and land optical cable is not drawn out under the pulling force of moment big numerical value; Sealed structure can available protecting internal connection, ensure not intake within the 10m depth of water; Housing four interfaces can freely be changed, it is possible to one-in-and-one-out, it is also possible to enters more, it is also possible to two enter scene 2; This structure is mainly used in the connection of optical cable at the bottom of submarine optical fiber cable and land, is also suitable for the connection with other Water line optic cable and land optical cable simultaneously.
The above, it it is only the better embodiment of the present invention, not the present invention is done any restriction in form, although the present invention discloses as above with better embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or it is modified to the equivalent embodiment of equivalent variations, in every case it is the content not departing from technical solution of the present invention, the any simple modification above embodiment done according to the technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a submarine optical fiber cable and land optical cable coupling device, it is characterized in that: comprise cover plate (1), housing (2), long screw rod (4), fibre melting disc (5), cone seat (6) and land cable clamp (9), the one side of described cover plate (1) is plane, another side is that initial point is provided with circular recessed region and ring groove taking center, it is uniformly distributed screw-threaded counterbore in surrounding simultaneously, described housing (2) shape is mated mutually with described cover plate (1), the opening end of described housing (2) is provided with annulus limit, and it is provided with many hollow cylinders at cylinder, wherein a described hollow cylinder is fixedly connected with submarine optical fiber cable (17) by cone seat (6), inner cone (7) and outer cone (8) also it is provided with between described submarine optical fiber cable (17) and described cone seat (6), wherein hollow cylinder described in another root is fixedly connected with land optical cable (16) by land cable clamp (9), also being provided with some fibre melting discs (5) in described housing (2), described fibre melting disc (5) is fixed by long screw rod (4).
2. a kind of submarine optical fiber cable according to claim 1 and land optical cable coupling device, it is characterized in that: described cover plate (1) and described housing (2) are bolted, described cover plate (1) is provided with O RunddichtringO (3) with the joint of described housing (2).
3. a kind of submarine optical fiber cable according to claim 1 and land optical cable coupling device, it is characterised in that: described cone seat (6) adopts hollow, coaxial inner cylinder and outer-hexagonal column structure, and cylinder side is provided with equally distributed threaded hole.
4. a kind of submarine optical fiber cable according to claim 1 and land optical cable coupling device, it is characterised in that: described inner cone (7) is hollow taper structure, and is arranged on described outer cone (8) inner side, and the miner diameter end of this taper structure is arranged on outside.
5. a kind of submarine optical fiber cable according to claim 1 and land optical cable coupling device, it is characterised in that: described outer cone (8) is made up of the right cylinder of coaxial two different radiis, and large cylinder limit has the threaded hole divided equally.
6. a kind of submarine optical fiber cable according to claim 1 and land optical cable coupling device, it is characterised in that: described cone seat (6) is equipped with pad (11) and sealing-ring (12) with the joint of submarine optical fiber cable (17) and the junction on described land cable clamp (9) and described land optical cable (16).
7. a kind of submarine optical fiber cable according to claim 1 and land optical cable coupling device, it is characterised in that: also it is provided with folder sheet (10) between described land cable clamp (9) and described land optical cable (16).
8. a kind of submarine optical fiber cable according to claim 1 and land optical cable coupling device, it is characterised in that: the hollow cylinder outer end on described housing (2) cylinder is provided with stifled head (14) and plug cover plate (15).
9. a kind of submarine optical fiber cable according to claim 1 and land optical cable coupling device, it is characterised in that: described hollow cylinder quantity is at least four.
10. the method for attachment of a kind of submarine optical fiber cable according to claim 1-9 any one and land optical cable coupling device, it is characterised in that: comprise the steps:
(1) first determine the connection place of submarine optical fiber cable and land optical cable, dig the hole that about 1.5-2 rice is dark, or other deposits the space of this device;
(2) submarine optical fiber cable and land optical cable are drawn the space into placement, need to carry out alignment apart from the cable within end 2 meters, then handle submarine optical fiber cable and the termination of land optical cable well;
(3) by external conical sleeve at submarine optical fiber cable outermost layer, by inner conical drogue outside the insulating sheath of submarine optical fiber cable, in armouring steel wire, by cone cover for seat on the insulating sheath of submarine optical fiber cable;
(4) in order by pad, sealing-ring, pad loads in multiple hollow circular cylinders of housing, by the insulating sheath of submarine optical fiber cable through pad until enclosure interior is to suitable position;
(5) tighten on cone seat screw-in right cylinder, inner cone large round end surface is adjacent to cone seat, the armouring steel wire of submarine optical fiber cable is evenly arranged in interior poppet surface;
(6) outer cone is placed on the outside of submarine optical fiber cable armouring steel wire, it may also be useful to bolt is by fixing tight to outer cone and cone seat;
(7) land cable clamp is enclosed within the optical cable of land, in order by pad, sealing-ring, remaining in multiple hollow circular cylinders of pad loading housing one, by land optical cable through pad until enclosure interior is to suitable position;
(8) tighten on land cable clamp screw-in right cylinder, and with bolt, folder sheet and land cable clamp are connected and fixed so that it is clamping land cable;
(9) long screw rod is screwed into housing bottom, puts into fibre melting disc;
(10) by the fused fiber splice of the land optical cable handled well and submarine optical fiber cable, neat dish enters in fibre melting disc, and fixes;
(11) being enclosed within the step of stifled head by O shape sealing-ring, put into the hollow circular cylinder of housing remainder, plug cover plate, in inner side, is selected on hollow circular cylinder and tightens by O shape sealing-ring;
(12) O shape sealing-ring is put into the annular recesses of cover plate, and plane, is covered on housing upward, housing and cover plate bolt is tightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159657.1A CN105629412B (en) | 2016-03-21 | 2016-03-21 | A kind of submarine optical fiber cable and land optical cable connecting device and attaching method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159657.1A CN105629412B (en) | 2016-03-21 | 2016-03-21 | A kind of submarine optical fiber cable and land optical cable connecting device and attaching method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105629412A true CN105629412A (en) | 2016-06-01 |
| CN105629412B CN105629412B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610159657.1A Active CN105629412B (en) | 2016-03-21 | 2016-03-21 | A kind of submarine optical fiber cable and land optical cable connecting device and attaching method thereof |
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| Country | Link |
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| CN (1) | CN105629412B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109471229A (en) * | 2018-05-03 | 2019-03-15 | 国网浙江省电力公司衢州供电公司 | A kind of reinforced optical cable and its underground laying method |
| CN110761728A (en) * | 2018-07-26 | 2020-02-07 | 中国石油天然气股份有限公司 | Anti-moving structure and logging instrument with same |
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| JPH0915465A (en) * | 1995-06-27 | 1997-01-17 | Nec Eng Ltd | Optical submarine branching device |
| EP0980013A2 (en) * | 1998-08-10 | 2000-02-16 | Alcatel | Seal for underwater cable joint |
| CN2655263Y (en) * | 2003-08-26 | 2004-11-10 | 江苏中天科技股份有限公司 | Ocean cable connector box |
| CN1790078A (en) * | 2005-12-27 | 2006-06-21 | 江苏中天科技股份有限公司 | Seabed optical cable branch joint box and connection process thereof |
| CN200976477Y (en) * | 2006-11-18 | 2007-11-14 | 黄顺国 | Underground high-voltage cable tapping box |
| CN203039334U (en) * | 2012-12-28 | 2013-07-03 | 广州文冲船厂有限责任公司 | Cable branch box |
| KR20150026306A (en) * | 2013-09-02 | 2015-03-11 | 김민석 | Grounding Box for Underground and Sub-marine Cable having Switching and Indicating function |
| CN205450397U (en) * | 2016-03-21 | 2016-08-10 | 中天科技海缆有限公司 | Submarine fiber cable and land optical cable connecting device |
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2016
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0915465A (en) * | 1995-06-27 | 1997-01-17 | Nec Eng Ltd | Optical submarine branching device |
| EP0980013A2 (en) * | 1998-08-10 | 2000-02-16 | Alcatel | Seal for underwater cable joint |
| CN2655263Y (en) * | 2003-08-26 | 2004-11-10 | 江苏中天科技股份有限公司 | Ocean cable connector box |
| CN1790078A (en) * | 2005-12-27 | 2006-06-21 | 江苏中天科技股份有限公司 | Seabed optical cable branch joint box and connection process thereof |
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| CN203039334U (en) * | 2012-12-28 | 2013-07-03 | 广州文冲船厂有限责任公司 | Cable branch box |
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| CN205450397U (en) * | 2016-03-21 | 2016-08-10 | 中天科技海缆有限公司 | Submarine fiber cable and land optical cable connecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109471229A (en) * | 2018-05-03 | 2019-03-15 | 国网浙江省电力公司衢州供电公司 | A kind of reinforced optical cable and its underground laying method |
| CN110761728A (en) * | 2018-07-26 | 2020-02-07 | 中国石油天然气股份有限公司 | Anti-moving structure and logging instrument with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105629412B (en) | 2018-11-06 |
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Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Patentee after: Zhongtian Technology submarine cable Co., Ltd Address before: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Patentee before: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd. |
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