CN100392457C - Seabed optical cable branch joint box and connection process thereof - Google Patents
Seabed optical cable branch joint box and connection process thereof Download PDFInfo
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- CN100392457C CN100392457C CNB2005100226456A CN200510022645A CN100392457C CN 100392457 C CN100392457 C CN 100392457C CN B2005100226456 A CNB2005100226456 A CN B2005100226456A CN 200510022645 A CN200510022645 A CN 200510022645A CN 100392457 C CN100392457 C CN 100392457C
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Abstract
The present invention provides a submarine optical cable branch joint box and a connection process thereof, which relates to a one-inlet and two-outlet connection device and a connection process thereof for submarine optical fiber cables, and the present invention is suitable for a special joint box of the one-inlet and two-outlet connection of the submarine optical cables in a submarine optical fiber communication system. The structure comprises a main cable bending restrictor, an outer cone, a middle cone, a cone shaft, bearing nuts, a pushing sleeve, an O-shaped ring liner, a sealing seat body, a support ring, a press ring, a locking shaft, a tray, a sealing cylinder, a branching parting line sleeve, branching seat bearing nuts, a branching seat, locking nuts, a branching sealing seat and a branching bending restrictor. During connection, a main cable end penetrates into the main cable bending restrictor, the bearing nuts, the pushing sleeve, a sealing component, the branching seat bearing nuts and the sealing seat body orderly. A branching cable 1 and a branching cable 2 respectively penetrate into the branching bending restrictor, the bearing nuts, the pushing sleeve and the sealing component.
Description
Technical field
What Submarine Optical Cable Branch Joint Box And Its Connecting Technology of the present invention related to is that a kind of submarine optical fiber cable one advances the scene 2 connection device and connects technology, is applicable to that submarine optical fiber cable one advances the special joint box that scene 2 continues in the fibres submarine telecommunication system.
Background technology
In recent years, along with the high speed development of China's information industry, submarine optical fiber cable also entered on a large scale and laid the stage.At present, man-to-man extra large cable connected mode needs many submarine optical fiber cables, causes resource and the significant wastage of laying expense.
Summary of the invention
The objective of the invention is provides a kind of Submarine Optical Cable Branch Joint Box And Its Connecting Technology at above-mentioned weak point, be mainly used between land and island or in the optical fiber telecommunications system of link intermediate node, can realize the connection of basic routing line to branch's multipoint circuit network terminal.
Sea cable take-off connection box and connection technology thereof take following scheme to realize:
Sea cable take-off connection box structure comprises main push-towing rope bending restrictor, Outer Taper, intermediate cone, the axis of cone, load nut, pushing sleeve, round section joint ring lining, sealing pedestal, support ring, pressure ring, lock shaft, pallet, sealed cylinder, branch's separated time cover, divides bearing load nut, divides bearing, set nut, branch's sealing socket, branch's bending restrictor.
Pallet is connected the sealing pedestal by locating shaft and divides the centre of bearing; Outer Taper, intermediate cone and the axis of cone are formed the anchor clamps three-piece, are connected with the branch sealing socket with the sealing pedestal; Sealed cylinder is enclosed within the outside of pallet; The sealing pedestal is connected with sealed cylinder by the load nut; Branch's sealing socket is connected with dividing bearing by the load nut; Sealed cylinder is connected with dividing bearing by minute bearing load nut; The main push-towing rope bending restrictor is enclosed within on the sealed cylinder, and branch's bending restrictor is enclosed within respectively on the branch bearing.
The connection technology of sea cable take-off connection box is achieved in that
1, three ends sea cable is called main push-towing rope, branch 1, branch's 2 ends respectively.Main push-towing rope bending restrictor, load nut, pushing sleeve, seal assembly, branch bearing load nut, sealing pedestal are penetrated the main push-towing rope end successively; Branch 1, branch's 2 cables penetrate branch's bending restrictor, load nut, pushing sleeve, seal assembly respectively.
2, use hydraulic tool the outer cone seat, intermediate cone, the axis of cone and inside and outside armouring wire are crimped on together.
3, the inside and outside little round section joint ring that the round section joint ring lining is used is inserted in the lining in the water jacket, and the round section joint ring lining is pushed the bottom that the sealing pedestal is recessed part.
4, will seal pedestal is screwed into above the outer cone seat, alignd with a groove on the outer circle cone in one of the hole of sealing pedestal, the screw-threaded coupling pin is inserted groove, support ring, O-ring seal, pressure ring are passed sheath to be pushed in the sealing socket, and with lock shaft that O-ring seal spinning is tight, with set nut lock shaft is locked.
5, the assembling of the sealing pedestal of branch 1, branch's 2 ends uses the same method.With the cable core of branch's cable with heat-shrink tube heating carrying out insulation protection; cable core is penetrated in the branch bearing lumen orifice; the sealing socket that assembles is pushed in the hole of branch bearing and and contacts, seal and pushing sleeve are pushed in the sealing socket with the inner face of minute bearing hole, with the load nut they with divide bearing locking.On minute bearing and load nut, bore and allot the spline pin-and-hole, use the screw spline respectively.
6, on minute bearing, put seal assembly, branch's separated time cover is put into the branch bearing hole, two branch's cables are passed separated time cover and put and put in order.
7, the main push-towing rope end is shifted to branch end, selects the sealing pedestal near two holes of horizontal direction, in the hole of sealing pedestal, load onto locating shaft with socket head cap screw carriage with seal pedestal and tighten together.
8, use the optical fiber splicer welding optic fibre, wait to finish the back joint of optical fiber carefully and is closely coiled to advance to coil in the fine carriage fibre-optical splice groove.The copper wire of branch 1, branch's 2 ends and the stranded crimping of copper wire of main push-towing rope end are also used the heat-shrink tube heated protective.
9, on sealed cylinder, put assembly tool, sealed cylinder is drawn move on on the branch bearing end face,, make sealed cylinder compress with dividing the bearing end face dividing bearing load nut to tighten with dividing bearing; Push the seal and the pushing sleeve of main push-towing rope end gently, screw load nut indentation sealing spare, till the load nut touches sealing pedestal end, by the load nut, threaded hole on sealed cylinder and the branch bearing load nut bores on sealing pedestal, sealed cylinder and branch bearing joins the spline pin-and-hole, be screwed into rotation stopping screw, guarantee that screw is at the bottom of thread.
10, the installation of bending restrictor with the hole aligned in general of the fixing screw hole and the sealed cylinder of main push-towing rope bending restrictor, and is shifted main push-towing rope bending restrictor and branch's bending restrictor onto sealed cylinder respectively and is divided on branch's cylindrical shell of bearing.Each end is aimed at the hole, and is screwed into gib screw.Characteristics of the present invention: extra large cable take-off connection box is not only applicable to common extra large cable and also is applicable to photoelectric composite sea cable, and fiber capacity reaches (48D), the pressure of the anti-500m depth of water.On material selection, adopt the good special material TC4 of sea water corrosion resistant as pressure-proof outer cover body and outer armour terminal seat, the physical dimension of connector can be done very for a short time like this.In the armouring end of shell body two ends cable, designed the bending restrictor of cone rubber, it can prevent the cable overbend that forms easily in the armouring end of masterpiece time spent 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 serviceable life but also guaranteed intensity.Steel wire clamps the Wedge type clamp system that adopts comparative maturity.Dividing box assembles on the cable laying ship at home, and can satisfy on existing cable laying ship and lay and salvage.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is extra large cable take-off connection box synoptic diagram.
Fig. 2 is extra large cable take-off connection box structural representation.
Embodiment
With reference to accompanying drawing 1,2, extra large cable take-off connection box structure comprises main push-towing rope bending restrictor (1), Outer Taper (2), intermediate cone (3), the axis of cone (4), load nut (5), pushing sleeve (6), round section joint ring lining (7), sealing pedestal (8), support ring (9), pressure ring (10), lock shaft (11), pallet (12), sealed cylinder (13), branch's separated time cover (14), divides bearing load nut (15), divides bearing (16), set nut (17), branch's sealing socket (18), branch's bending restrictor (19), main push-towing rope (20), branch 1 (21), branch 1 (22).
Sea cable take-off connection box is to connect like this:
Pallet (12) is connected sealing pedestal (8) by locating shaft and divides the centre of bearing (16); Outer Taper (2), intermediate cone (3) and the axis of cone (4) are formed the anchor clamps three-piece, are connected with branch's sealing socket (18) with sealing pedestal (8); Sealed cylinder (13) is enclosed within the outside of pallet (12); Sealing pedestal (8) is connected with sealed cylinder (13) by load nut (5); Branch's sealing socket (18) is connected with dividing bearing (16) by load nut (5); Sealed cylinder (13) is connected with dividing bearing (16) by dividing bearing load nut (15); Main push-towing rope bending restrictor (1) is enclosed within on the sealed cylinder (13), and branch's bending restrictor (19) is enclosed within respectively on the branch bearing (16).Said minute bearing (16) two branch end are parallel drawing.Measuring body sealed cylinder (13) is made of the TC4 material.
The connection technology of sea cable take-off connection box is achieved in that
1, three ends sea cable is called main push-towing rope (20), branch 1 (21), branch's 2 (22) ends respectively.Main push-towing rope bending restrictor (1), load nut (5), pushing sleeve (6), seal assembly, branch bearing load nut (15), sealing pedestal (8) are penetrated the main push-towing rope end successively; Branch 1 (21), branch's 2 (22) cables penetrate branch's bending restrictor (19), load nut, pushing sleeve, seal assembly respectively.
2, use hydraulic tool outer cone seat (2), intermediate cone (3), the axis of cone (4) and inside and outside armouring wire are crimped on together.
3, the inside and outside little round section joint ring that the round section joint ring lining is used is inserted in the lining in the water jacket, and round section joint ring lining (9) is pushed the bottom that sealing pedestal (8) is recessed part.
4, will seal pedestal (8) is screwed into above the outer cone seat, alignd with a groove on the outer circle cone in one of the hole of sealing pedestal, the screw-threaded coupling pin is inserted groove, support ring, O-ring seal, pressure ring are passed sheath to be pushed in the sealing socket, and with lock shaft that O-ring seal spinning is tight, with set nut lock shaft is locked.
5, the sealing pedestal assembling of branch 1 (21), branch's 2 (22) ends uses the same method.With the cable core of branch's cable with heat-shrink tube heating carrying out insulation protection; cable core is penetrated in the branch bearing lumen orifice; the sealing socket that assembles is pushed in the hole of branch bearing and and contact with the inner face of minute bearing hole; seal and pushing sleeve are pushed in the sealing socket, with dividing bearing load nut (15) that they are locked with dividing bearing.On a minute bearing (16) and load nut, bore and allot the spline pin-and-hole, use the screw spline respectively.
6, on a minute bearing (16), put seal assembly, branch's separated time cover (14) is put into the branch bearing hole, two branch's cables are passed separated time cover and put and put in order.
7, the main push-towing rope end is shifted to branch end, selects sealing pedestal (8) near two holes of horizontal direction, in the hole of sealing pedestal, load onto locating shaft with socket head cap screw carriage with seal pedestal and tighten together.
8, use the optical fiber splicer welding optic fibre, wait to finish the back joint of optical fiber carefully and is closely coiled to advance in pallet (12) the fibre-optical splice groove.The copper wire of branch 1, branch's 2 ends and the stranded crimping of copper wire of main push-towing rope end are also used the heat-shrink tube heated protective.
9, on sealed cylinder (13), put assembly tool, sealed cylinder (13) is drawn move on on the branch bearing end face,, make sealed cylinder (13) compress with dividing the bearing end face dividing bearing load nut to tighten with dividing bearing; Push the seal and the pushing sleeve of main push-towing rope end gently, screw load nut indentation sealing spare, till the load nut touches sealing pedestal end, by the load nut, threaded hole on sealed cylinder (13) and the branch bearing load nut is at sealing socket, bore on sealing bore and the branch bearing and join the spline pin-and-hole, be screwed into rotation stopping screw, guarantee that screw is at the bottom of thread.
10, the installation of bending restrictor, with the hole aligned in general of the fixing screw hole and the sealed cylinder (13) of main push-towing rope bending restrictor (1), and main push-towing rope bending restrictor and branch's bending restrictor shifted onto sealed cylinder (13) respectively and divide on branch's cylindrical shell of bearing (16).Each end is aimed at the hole, and is screwed into gib screw.
The sealing of cable core is to finish by round section joint ring lining and O-ring seal in the sealing pedestal.
The present invention sea cable take-off connection box detects through relevant technologies standard detection department and reaches as follows
Technical requirement:
1.1 the depth of water: be not more than 500m.
1.2 be no less than 25 years serviceable life.
1.3 mechanical property.
1.3.1 stretch
Between submarine optical fiber cable and extra large cable take-off connection box under the of short duration tensile load of submarine optical fiber cable of GB/T 18480 regulation, keep 5min after, the no significant change of monitoring Optical Fiber Transmission decay, optical cable does not become flexible from the dividing box fabricated section.The unloading back checks that box body does not have obvious distortion, and the sealing nothing lost efficacy.
1.3.2 pull
After being not less than under 1.1 times of pulling force of the of short duration tensile load of submarine optical fiber cable, keeping 5min, extra large cable take-off connection box and submarine optical fiber cable do not get loose between submarine optical fiber cable and extra large cable take-off connection box.
1.3.3 impact
Sea cable take-off connection box can bear the impact that energy is not less than 390Nm, impacts three points, and the post-test-inspection structural member does not have cracking, loosening, and sealing does not have inefficacy.
1.4 optical property
Additional attenuation is not more than 0.08dB.
1.5 electric property
The inner wire and the insulation resistance between housing of sea cable take-off connection box insulated enclosure layer are not less than 20000M Ω/500V (DC); The inner wire of sea cable take-off connection box insulated enclosure layer and the proof voltage between housing are under 15kV (DC) effect, and 2min does not puncture; The direct current resistance of cable take-off connection box two ends, sea conductive component is not more than 0.1 Ω.
1.6 hydraulic pressure sealing property
Sea cable take-off connection box continues 168h under 5.0MPa hydraulic pressure, structure does not have distortion, damages, and sealing area is answered anhydrous infiltration, and test back insulation resistance meets the requirements, and proof voltage meets the requirements.
Claims (5)
1. an extra large cable take-off connection box is characterized in that structure comprises main push-towing rope bending restrictor (1), Outer Taper (2), intermediate cone (3), the axis of cone (4), load nut (5), pushing sleeve (6), round section joint ring lining (7), sealing pedestal (8), support ring (9), pressure ring (10), lock shaft (11), pallet (12), sealed cylinder (13), branch's separated time cover (14), divides bearing load nut (15), divides bearing (16), set nut (17), branch's sealing socket (18), branch's bending restrictor (19);
Pallet is connected the sealing pedestal by locating shaft and divides the centre of bearing; Outer Taper, intermediate cone and the axis of cone are formed the anchor clamps three-piece, are connected with the branch sealing socket with the sealing pedestal; Sealed cylinder is enclosed within the outside of pallet; The sealing pedestal is connected with sealed cylinder by the load nut; Branch's sealing socket is connected with dividing bearing by the load nut; Sealed cylinder is connected with dividing bearing by minute bearing load nut; The main push-towing rope bending restrictor is enclosed within on the sealed cylinder, and branch's bending restrictor is enclosed within respectively on the branch bearing.
2. extra large cable take-off connection box according to claim 1 is characterized in that two branch end of described minute bearing are parallel drawing.
3. extra large cable take-off connection box according to claim 1, the sealing that it is characterized in that cable core are to finish by round section joint ring lining and O-ring seal in the sealing pedestal.
4. extra large cable take-off connection box according to claim 1 is characterized in that measuring body sealed cylinder (13) is made of the TC4 material.
5. method of attachment of making extra large cable take-off connection box as claimed in claim 1 is characterized in that:
(1) three end sea cable is called main push-towing rope (20), branch 1 (21), branch's 2 (22) ends respectively, and main push-towing rope bending restrictor (1), load nut (5), pushing sleeve (6), seal assembly, branch bearing load nut (15), sealing pedestal (8) are penetrated the main push-towing rope end successively; Branch 1 (21), branch's 2 (22) cables penetrate branch's bending restrictor (19), load nut, pushing sleeve, seal assembly respectively;
(2) use hydraulic tool outer cone seat (2), intermediate cone (3), the axis of cone (4) and inside and outside armouring wire are crimped on together;
(3) the inside and outside little round section joint ring that the round section joint ring lining is used is inserted in the lining in the water jacket, and round section joint ring lining (9) is pushed the bottom that sealing pedestal (8) is recessed part;
(4) will seal pedestal (8) is screwed into above the outer cone seat, alignd with a groove on the outer circle cone in one of the hole of sealing pedestal, the screw-threaded coupling pin is inserted groove, support ring, O-ring seal, pressure ring are passed sheath to be pushed in the sealing socket, and with lock shaft that O-ring seal spinning is tight, with set nut lock shaft is locked;
(5) the sealing pedestal assembling of branch 1 (21), branch's 2 (22) ends uses the same method, with the cable core of branch's cable with heat-shrink tube heating carrying out insulation protection, cable core is penetrated in the branch bearing lumen orifice, the sealing socket that assembles is pushed in the hole of branch bearing and and contact with the inner face of minute bearing hole, seal and pushing sleeve are pushed in the sealing socket, with minute bearing load nut (15) they are locked with dividing bearing, on a minute bearing (16) and load nut, bore and allot the spline pin-and-hole, use the screw spline respectively;
(6) on a minute bearing (16), put seal assembly, branch's separated time cover (14) is put into the branch bearing hole, two branch's cables are passed separated time cover and put and put in order;
(7) the main push-towing rope end is shifted to branch end, selects sealing pedestal (8) near two holes of horizontal direction, in the hole of sealing pedestal, load onto locating shaft with socket head cap screw carriage with seal pedestal and tighten together;
(8) use the optical fiber splicer welding optic fibre, wait to finish the back joint of optical fiber carefully and is closely coiled to advance to coil in the fine carriage fibre-optical splice groove, the copper wire of branch 1, branch's 2 ends and the stranded crimping of copper wire of main push-towing rope end are also used the heat-shrink tube heated protective;
(9) on sealed cylinder (13), put assembly tool, sealed cylinder (13) is drawn move on on the branch bearing end face,, make sealed cylinder (13) compress with dividing the bearing end face dividing bearing load nut to tighten with dividing bearing; Push the seal and the pushing sleeve of main push-towing rope end gently, screw load nut indentation sealing spare, till the load nut touches sealing pedestal end, by the load nut, threaded hole on sealed cylinder (113) and the branch bearing load nut is at sealing socket, bore on sealing bore and the branch bearing and join the spline pin-and-hole, be screwed into rotation stopping screw, guarantee that screw is at the bottom of thread;
(10) installation of bending restrictor, hole aligned in general with the fixing screw hole and the sealed cylinder (13) of main push-towing rope bending restrictor (1), and main push-towing rope bending restrictor and branch's bending restrictor shifted onto sealed cylinder (13) respectively and divide on branch's cylindrical shell of bearing (16), each end is aimed at the hole, and is screwed into gib screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100226456A CN100392457C (en) | 2005-12-27 | 2005-12-27 | Seabed optical cable branch joint box and connection process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100226456A CN100392457C (en) | 2005-12-27 | 2005-12-27 | Seabed optical cable branch joint box and connection process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1790078A CN1790078A (en) | 2006-06-21 |
| CN100392457C true CN100392457C (en) | 2008-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100226456A Active CN100392457C (en) | 2005-12-27 | 2005-12-27 | Seabed optical cable branch joint box and connection process thereof |
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| CN105785532A (en) * | 2016-04-28 | 2016-07-20 | 江苏亨通海洋光网系统有限公司 | Large-capacity armored undersea optical fiber cable quick connecting joint box and connecting method thereof |
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|---|---|
| CN1790078A (en) | 2006-06-21 |
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Assignee: ZHONGTIAN TECHNOLOGIES SUBMARINE CABLE Co.,Ltd. Assignor: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. Contract fulfillment period: 2008.7.1 to 2017.7.1 Contract record no.: 2009320000335 Denomination of invention: Seabed optical cable branch joint box and connection process thereof Granted publication date: 20080604 License type: Exclusive license Record date: 20090312 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.7.1 TO 2017.7.1; CHANGE OF CONTRACT Name of requester: ZHONGTIAN TECHNOLOGIES SUBMARINE CABLE CO., LTD. Effective date: 20090312 |
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Assignee: ZHONGTIAN TECHNOLOGIES SUBMARINE CABLE Co.,Ltd. Assignor: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. Contract record no.: 2009320000335 Date of cancellation: 20160607 |
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Effective date of registration: 20160722 Address after: 226000, Jiangsu, Nantong province Rudong Port Economic Development Zone Foreign Port Hong Kong business building Patentee after: ZHONGTIAN TECHNOLOGY MARINE SYSTEMS Co.,Ltd. Address before: 226000 Jiangsu city of Nantong Province Economic and Technological Development Zone, the New Gate Road Patentee before: ZHONGTIAN TECHNOLOGIES SUBMARINE CABLE Co.,Ltd. Effective date of registration: 20160718 Address after: 226000 Jiangsu city of Nantong Province Economic and Technological Development Zone, the New Gate Road Patentee after: ZHONGTIAN TECHNOLOGIES SUBMARINE CABLE Co.,Ltd. Address before: The road town of Rudong County in Jiangsu province 226463 in Nantong City, No. 1 Patentee before: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. |