CN2852156Y - Submarine cable branch joint case - Google Patents
Submarine cable branch joint case Download PDFInfo
- Publication number
- CN2852156Y CN2852156Y CN 200520140260 CN200520140260U CN2852156Y CN 2852156 Y CN2852156 Y CN 2852156Y CN 200520140260 CN200520140260 CN 200520140260 CN 200520140260 U CN200520140260 U CN 200520140260U CN 2852156 Y CN2852156 Y CN 2852156Y
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- China
- Prior art keywords
- branch
- bearing
- sealing
- sealed cylinder
- bending restrictor
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- Expired - Lifetime
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Abstract
The utility model relates to a submarine optical cable branch joint case, particularly a one-in-two-out connection device for a submarine optical cable, which is suitable for a dedicated joint case for one-in-two-out connection for the submarine optical cable in a submarine optical fiber communication system. The structure of the utility model comprises a main cable bending restrictor, an outer cone, an intermediate cone, a cone shaft, a force bearing nut, a push sleeve, a lining sleeve of an O-shaped ring, a seal seat body, a support ring, a pressure ring, a locking shaft, a tray, a seal cylinder body, a branch parting line sleeve, a force bearing nut of a branch support seat, the branch support seat, a locking nut, a branch seal seat and a branch bending restrictor. When connected, the main cable bending restrictor, the force bearing nut, the push sleeve, a seal assembly, the force bearing nut of the branch support seat and the seal seat body are successively penetrated into the main cable end; branch cables 1 and 2 are respectively penetrated into the branch bending restrictor, the force bearing nut, the push sleeve and the seal assembly.
Description
Technical field
What the utility model seabed optical cable branch joint box related to is that a kind of submarine optical fiber cable one advances the scene 2 connection device, 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 purpose of this utility model is to provide a kind of seabed optical cable branch joint box at above-mentioned weak point, is mainly used between land and island or in the optical fiber telecommunications system of link intermediate node, can realizes the connection of basic routing line to branch's multipoint circuit network terminal.
Sea cable take-off connection box takes 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.The utility model characteristics: 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 utility model is described in further detail 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 requirement of 1.5.1, and proof voltage meets the requirement of 1.5.2.
Claims (3)
1, seabed optical cable branch joint box is characterized in that 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.
2, fiber cable branch connector box according to claim 1 is characterized in that two branch end of described minute bearing are parallel drawing.
3, fiber cable branch connector box according to claim 1 is characterized in that measuring body sealed cylinder is made of the TC4 material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140260 CN2852156Y (en) | 2005-12-27 | 2005-12-27 | Submarine cable branch joint case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140260 CN2852156Y (en) | 2005-12-27 | 2005-12-27 | Submarine cable branch joint case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852156Y true CN2852156Y (en) | 2006-12-27 |
Family
ID=37586114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520140260 Expired - Lifetime CN2852156Y (en) | 2005-12-27 | 2005-12-27 | Submarine cable branch joint case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852156Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392457C (en) * | 2005-12-27 | 2008-06-04 | 江苏中天科技股份有限公司 | Seabed optical cable branch joint box and connection process thereof |
| CN102386602A (en) * | 2011-07-19 | 2012-03-21 | 东莞亚大电子科技有限公司 | Waterproof wiring device for power cable and optic-electric composite wirecable |
| WO2018069651A1 (en) | 2016-10-14 | 2018-04-19 | Supergrid Institute | Underwater electrical connection system |
| CN108732700A (en) * | 2018-05-30 | 2018-11-02 | 烽火海洋网络设备有限公司 | A kind of submarine optical fiber cable branch units |
| CN110895222A (en) * | 2019-12-12 | 2020-03-20 | 大连理工大学 | Stretch bending combined mechanical experiment device for marine pipe cable bending limiter |
| CN113391415A (en) * | 2021-07-29 | 2021-09-14 | 华海通信技术有限公司 | Bearing platform of optical signal amplification equipment |
| CN113703115A (en) * | 2021-11-01 | 2021-11-26 | 华海通信技术有限公司 | Connecting branch for submarine optical cable branch device |
-
2005
- 2005-12-27 CN CN 200520140260 patent/CN2852156Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392457C (en) * | 2005-12-27 | 2008-06-04 | 江苏中天科技股份有限公司 | Seabed optical cable branch joint box and connection process thereof |
| CN102386602A (en) * | 2011-07-19 | 2012-03-21 | 东莞亚大电子科技有限公司 | Waterproof wiring device for power cable and optic-electric composite wirecable |
| CN102386602B (en) * | 2011-07-19 | 2013-10-16 | 东莞亚大电子科技有限公司 | Waterproof wiring device for power cable and optic-electric composite wirecable |
| WO2018069651A1 (en) | 2016-10-14 | 2018-04-19 | Supergrid Institute | Underwater electrical connection system |
| EP3526868A1 (en) * | 2016-10-14 | 2019-08-21 | Supergrid Institute | Underwater electrical connection system |
| US10756529B2 (en) | 2016-10-14 | 2020-08-25 | Supergrid Institute | Underwater electrical connection system |
| CN108732700A (en) * | 2018-05-30 | 2018-11-02 | 烽火海洋网络设备有限公司 | A kind of submarine optical fiber cable branch units |
| CN110895222A (en) * | 2019-12-12 | 2020-03-20 | 大连理工大学 | Stretch bending combined mechanical experiment device for marine pipe cable bending limiter |
| CN113391415A (en) * | 2021-07-29 | 2021-09-14 | 华海通信技术有限公司 | Bearing platform of optical signal amplification equipment |
| CN113391415B (en) * | 2021-07-29 | 2022-10-21 | 华海通信技术有限公司 | Bearing platform of optical signal amplification equipment |
| CN113703115A (en) * | 2021-11-01 | 2021-11-26 | 华海通信技术有限公司 | Connecting branch for submarine optical cable branch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080604 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |