CN105281278A - A submarine cable center positioning protection device - Google Patents
A submarine cable center positioning protection device Download PDFInfo
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- CN105281278A CN105281278A CN201510805546.9A CN201510805546A CN105281278A CN 105281278 A CN105281278 A CN 105281278A CN 201510805546 A CN201510805546 A CN 201510805546A CN 105281278 A CN105281278 A CN 105281278A
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- extra large
- cable
- lock shaft
- head
- centration axis
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Abstract
The invention provides a submarine cable center positioning protection device comprising a guide cone, a centering shaft, a locking shaft and a bending reinforcing member. The guide cone comprises two symmetrical parts; the head is conical in shape and the tail is provided with an assembly groove; the two sides are symmetrically provided with stepped holes. The centering shaft comprises two symmetrical parts; the head is provided with an assembly protruding ring and the tail is provided with an installing groove; the two sides are symmetrically provided with stepped through holes. The locking shaft comprises two symmetrical parts; the head is provided with a connecting protruding ring and the tail is provided with a connecting flange. The bending reinforcing member is internally provided with an insert. The bending reinforcing member and the locking shaft are connected through bolts. The insert is externally wrapped in a taper sleeve. The device can limit cables at the central positions of J-shaped pipes, prevent the collision and friction between the submarine cables and the J-shaped pipes caused by the swing of the submarine cables and the damage caused thereby, improve the bending resisting capability of suspended sections of the submarine cables, prevent excessive bending or fatigue damage of the suspended section submarine cables under water power, and prevent accidents from occurring. The device is simple in structure, convenient to install, high in reliability and long in service life.
Description
Technical field
The present invention relates to a kind of extra large cable centralized positioning protective device, be specially adapted to oil platform, offshore wind farm sea cable in the centralized positioning of pillar infratubal port and protection.
Background technology
Along with China strengthens day by day to energy demand, the dynamics of offshore and gas development is also constantly strengthened, at sea in oil platform system cloud gray model, submarine cable obtains applying more and more widely, and submarine cable is under water through J-shaped pipe, leads to above platform, access electric power system, for platform.But owing to not contacting seabed bottom J-shaped pipe; cable is made to occur unsettled phenomenon; unsettled submarine cable is under the dynamic action of ocean current and wave; continuous swing, clashes into, rub J-shaped infratubal port, thus it is destroyed to cause cable to be protected outward; further wearing and tearing cable insulation; finally cause insulating barrier breakdown accident, affect the supply of electric power of platform, cause huge economic loss.Prevent J-shaped infratubal port cable flexing common method from being jackstone method at present, jackstone method is the concrete block poured into a mould, nylon rope is utilized to be connected to form chain or netted, then jettisoning downwards from ship near unsettled section, concrete weight is utilized to push down cable, suppress unsettled section of cable at hydrodynamic force lower swing, this method is only applicable to shallow water, extra large cable flying height is low, bottom is smooth situation, and cost is high, constructional difficulties, workload are large, efficiency is low, effective age is short, the mixed earth block of simultaneously jettisoninging likely causes damage to extra large cable.
Summary of the invention
Goal of the invention: the object of the invention is to solve deficiency of the prior art; there is provided one cable can be limited in J-shaped tube hub position; prevent from extra large cable from swinging producing with J-shaped pipe colliding, rubbing and damage; the bending resistance of unsettled section of extra large cable can be improved simultaneously; avoid unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force, the generation of Accident prevention, this apparatus structure is simple, easy for installation simultaneously; reliability is high, the extra large cable centralized positioning protective device that service life is long.
Technical scheme: one of the present invention extra large cable centralized positioning protective device, comprises guide cone, centration axis, lock shaft, bending reinforcement; Described guide cone is made up of symmetrical two parts, and head is pyramidal structure, and inside has centre bore, and afterbody is provided with assembling groove, and bilateral symmetry arranges stepped hole, is bolted the symmetrical two parts of guide cone; Described centration axis is made up of symmetrical two parts, and inside has central through hole, and head arranges assembling bulge loop, and afterbody is provided with installation groove, and bilateral symmetry arranges step through-hole, is bolted the symmetrical two parts of centration axis; Described lock shaft is made up of symmetrical two parts, and inside has locking centre bore, and head is provided with connection bulge loop, and afterbody is provided with adpting flange, and both sides arrange step circular hole, is bolted the symmetrical two parts of lock shaft; The built-in inserts of described bending reinforcement, the built-in center hole of described inserts, described inserts is fixedly connected with described lock shaft, is bolted bending reinforcement and lock shaft, described inserts outer wrapping tapered sleeve, the built-in tapered sleeve centre bore of tapered sleeve.
Further, the head of described centration axis is engaged with the assembling groove of guide cone afterbody mutually by assembling bulge loop, realizes connecting.
Further, described lock shaft head is engaged with the installation groove of centration axis afterbody mutually by connecting bulge loop, realizes connecting.
Further, described inserts head is provided with adpting flange, and described inserts afterbody is provided with barb-shaped projection.
Further, described tapered sleeve leading portion is column construction, and tapered sleeve back segment is pyramidal structure.
Further, the central axis of described centre bore, central through hole, locking centre bore, center hole, tapered sleeve centre bore point-blank.
Further, described tapered sleeve is rubber tapered sleeve.
The invention also discloses a kind of assembly method of extra large cable centralized positioning protective device, comprise the steps:
(1) first determine Hai Guan cable center location and the installation site of protective device on extra large cable, extra large cable is placed in bending reinforcement inside center hole, and bending reinforcement cover to extra large cable installation site;
(2) next lock shaft is installed, extra large cable is placed in lock shaft inside center hole, utilize bolt to connect the symmetrical two parts of lock shaft, lock shaft clamping cables simultaneously;
(3) recycle bolt and connect lock shaft afterbody adpting flange and bending reinforcement built-in inserts head adpting flange, realize the connection of lock shaft and bending reinforcement;
(4) install centration axis below, extra large cable is placed in centration axis inside center hole, and centration axis afterbody assembling groove and lock shaft head assemble bulge loop and are mutually engaged;
(5) the symmetrical two parts of centration axis are bolted again, centration axis clamping cables simultaneously;
(6) finally install guide cone, cable is placed in guide cone inside center hole, guide cone afterbody assembling groove and centration axis head assemble bulge loop and are mutually engaged;
(7) be bolted the symmetrical two parts of guide cone again, guide cone clamping cables simultaneously, so far Hai Guan cable center location and protective device assemble complete;
(8) then cable will introduce platform through extra large pipe, and Hai Guan cable center location and protective device dress can along with cable pulling be to horn mouth position, extra large pipe lower end, and centration axis is stuck in extra large pipe straight tube end, realizes the centralized positioning of cable in extra large pipe;
(9) the bending reinforcement that lock shaft tail end connects simultaneously can increase unsettled section of bending stiffness, prevents unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force.
Beneficial effect: this device can be limited in J-shaped tube hub position cable, prevent from extra large cable from swinging producing with J-shaped pipe colliding, rubbing and damage, the bending resistance of unsettled section of extra large cable can be improved simultaneously, avoid unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force, the generation of Accident prevention, this apparatus structure is simple, easy for installation simultaneously, and reliability is high, and service life is long.This device adopts Ha Fushi structure to be convenient to install, guide cone head conical design, be convenient to this device and enter J-shaped pipe, centration axis and lock shaft can hold cable tightly, prevent this device and extra large cable slippage, centration axis external diameter is more smaller than extra large bore simultaneously, extra large cable can be limited in extra large tube hub position, the bending reinforcement that elastomeric material is made can increase unsettled section of extra large cable bending stiffness, prevents unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is the structure cutaway view of Fig. 1.
Embodiment
One sea cable centralized positioning protective device as depicted in figs. 1 and 2, comprises guide cone 1, centration axis 2, lock shaft 3, bending reinforcement 4; Described guide cone 1 is made up of symmetrical two parts, and head is pyramidal structure, and inside has centre bore 5, and afterbody is provided with assembling groove 6, and bilateral symmetry arranges stepped hole 7, connects the symmetrical two parts of guide cone 1 by bolt 8; Described centration axis 2 is made up of symmetrical two parts, and inside has central through hole 9, and head arranges assembling bulge loop 10, and afterbody is provided with installs groove 11, and bilateral symmetry arranges step through-hole 12, connects the symmetrical two parts of centration axis 2 by bolt 13; Described lock shaft 3 is made up of symmetrical two parts, and inside has locking centre bore 14, and head is provided with and connects bulge loop 15, and afterbody is provided with adpting flange 16, and both sides arrange step circular hole 17, connects the symmetrical two parts of lock shaft 3 by bolt 18; The built-in inserts 19 of described bending reinforcement 4, the built-in center hole 20 of described inserts 19, described inserts 19 is fixedly connected with described lock shaft 3, connects bending reinforcement 4 and lock shaft 3 by bolt 25, described inserts 19 outer wrapping tapered sleeve 23, the built-in tapered sleeve centre bore 24 of tapered sleeve 23.
Further optimization as technique scheme:
Further, the head of described centration axis 2 is engaged with the assembling groove 6 of guide cone 1 afterbody mutually by assembling bulge loop 10, realizes connecting.
Further, described lock shaft 3 head is engaged with the installation groove 11 of centration axis 2 afterbody mutually by connecting bulge loop 15, realizes connecting.
Further, described inserts 19 head is provided with adpting flange 21, and described inserts 19 afterbody is provided with barb-shaped protruding 22.
Further, described tapered sleeve 23 leading portion is column construction, and tapered sleeve 23 back segment is pyramidal structure.
Further, the central axis of described centre bore 5, central through hole 9, locking centre bore 14, center hole 20, tapered sleeve centre bore 24 point-blank.
Further, described tapered sleeve 23 is rubber tapered sleeve.
The assembly method of above-mentioned a kind of extra large cable centralized positioning protective device, comprises the steps:
(1) first determine Hai Guan cable center location and the installation site of protective device on extra large cable 26, extra large cable 26 is placed in bending reinforcement inside center hole, and bending reinforcement cover to extra large cable 26 installation site;
(2) next lock shaft is installed, extra large cable is placed in lock shaft inside center hole, utilize bolt to connect the symmetrical two parts of lock shaft, lock shaft clamping cables simultaneously;
(3) recycle bolt and connect lock shaft afterbody adpting flange and bending reinforcement built-in inserts head adpting flange, realize the connection of lock shaft and bending reinforcement;
(4) install centration axis below, extra large cable is placed in centration axis inside center hole, and centration axis afterbody assembling groove and lock shaft head assemble bulge loop and are mutually engaged;
(5) the symmetrical two parts of centration axis are bolted again, centration axis clamping cables simultaneously;
(6) finally install guide cone, cable is placed in guide cone inside center hole, guide cone afterbody assembling groove and centration axis head assemble bulge loop and are mutually engaged;
(7) be bolted the symmetrical two parts of guide cone again, guide cone clamping cables simultaneously, so far Hai Guan cable center location and protective device assemble complete;
(8) then cable will introduce platform through extra large pipe 27, and Hai Guan cable center location and protective device dress can draw to horn mouth 28 position, extra large pipe 27 lower end along with cable 26, and centration axis is stuck in extra large pipe 27 straight tube end, realizes the centralized positioning of cable 26 in extra large pipe;
(9) the bending reinforcement that lock shaft tail end connects simultaneously can increase unsettled section of bending stiffness, prevents unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force.
This device can be limited in J-shaped tube hub position cable, prevent from extra large cable from swinging producing with J-shaped pipe colliding, rubbing and damage, the bending resistance of unsettled section of extra large cable can be improved simultaneously, avoid unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force, the generation of Accident prevention, this apparatus structure is simple, easy for installation simultaneously, and reliability is high, and service life is long.This device adopts Ha Fushi structure to be convenient to install, guide cone head conical design, be convenient to this device and enter J-shaped pipe, centration axis and lock shaft can hold cable tightly, prevent this device and extra large cable slippage, centration axis external diameter is more smaller than extra large bore simultaneously, extra large cable can be limited in extra large tube hub position, the bending reinforcement that elastomeric material is made can increase unsettled section of extra large cable bending stiffness, prevents unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred 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 be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. an extra large cable centralized positioning protective device, is characterized in that: comprise guide cone (1), centration axis (2), lock shaft (3), bending reinforcement (4); Described guide cone (1) is made up of symmetrical two parts, and head is pyramidal structure, and inside has centre bore (5), and afterbody is provided with assembling groove (6), and bilateral symmetry arranges stepped hole (7), connects guide cone (1) symmetrical two parts by bolt (8); Described centration axis (2) is made up of symmetrical two parts, inside has central through hole (9), and head arranges assembling bulge loop (10), and afterbody is provided with installs groove (11), bilateral symmetry arranges step through-hole (12), connects centration axis (2) symmetrical two parts by bolt (13); Described lock shaft (3) is made up of symmetrical two parts, inside has locking centre bore (14), and head is provided with and connects bulge loop (15), and afterbody is provided with adpting flange (16), both sides arrange step circular hole (17), connect lock shaft (3) symmetrical two parts by bolt (18); The built-in inserts of described bending reinforcement (4) (19), described inserts (19) built-in center hole (20), described inserts (19) is fixedly connected with described lock shaft (3), bending reinforcement (4) and lock shaft (3) is connected by bolt (25), described inserts (19) outer wrapping tapered sleeve (23), the built-in tapered sleeve centre bore (24) of tapered sleeve (23).
2. one according to claim 1 extra large cable centralized positioning protective device, is characterized in that: the head of described centration axis (2) is engaged with the assembling groove (6) of guide cone (1) afterbody mutually by assembling bulge loop (10), realizes connecting.
3. one according to claim 1 extra large cable centralized positioning protective device, is characterized in that: described lock shaft (3) head is engaged with the installation groove (11) of centration axis (2) afterbody mutually by connecting bulge loop (15), realizes connecting.
4. one according to claim 1 extra large cable centralized positioning protective device, is characterized in that: described inserts (19) head is provided with adpting flange (21), and described inserts (19) afterbody is provided with barb-shaped projection (22).
5. one according to claim 1 extra large cable centralized positioning protective device, is characterized in that: described tapered sleeve (23) leading portion is column construction, and tapered sleeve (23) back segment is pyramidal structure.
6. one according to claim 1 extra large cable centralized positioning protective device, is characterized in that: the central axis of described centre bore (5), central through hole (9), locking centre bore (14), center hole (20), tapered sleeve centre bore (24) point-blank.
7. one according to claim 1 extra large cable centralized positioning protective device, is characterized in that: described tapered sleeve (23) is rubber tapered sleeve.
8. the assembly method of a kind of extra large cable centralized positioning protective device according to claim 1-7 any one, is characterized in that: comprise the steps:
(1) first determine Hai Guan cable center location and the installation site of protective device on extra large cable, extra large cable is placed in bending reinforcement inside center hole, and bending reinforcement cover to extra large cable installation site;
(2) next lock shaft is installed, extra large cable is placed in lock shaft inside center hole, utilize bolt to connect the symmetrical two parts of lock shaft, lock shaft clamping cables simultaneously;
(3) recycle bolt and connect lock shaft afterbody adpting flange and bending reinforcement built-in inserts head adpting flange, realize the connection of lock shaft and bending reinforcement;
(4) install centration axis below, extra large cable is placed in centration axis inside center hole, and centration axis afterbody assembling groove and lock shaft head assemble bulge loop and are mutually engaged;
(5) the symmetrical two parts of centration axis are bolted again, centration axis clamping cables simultaneously;
(6) finally install guide cone, cable is placed in guide cone inside center hole, guide cone afterbody assembling groove and centration axis head assemble bulge loop and are mutually engaged;
(7) be bolted the symmetrical two parts of guide cone again, guide cone clamping cables simultaneously, so far Hai Guan cable center location and protective device assemble complete;
(8) then cable will introduce platform through extra large pipe, and Hai Guan cable center location and protective device dress can along with cable pulling be to horn mouth position, extra large pipe lower end, and centration axis is stuck in extra large pipe straight tube end, realizes the centralized positioning of cable in extra large pipe;
(9) the bending reinforcement that lock shaft tail end connects simultaneously can increase unsettled section of bending stiffness, prevents unsettled section of extra large cable overbending or fatigue damage under hydrodynamic force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510805546.9A CN105281278B (en) | 2015-11-20 | 2015-11-20 | A kind of extra large cable centralized positioning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510805546.9A CN105281278B (en) | 2015-11-20 | 2015-11-20 | A kind of extra large cable centralized positioning protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105281278A true CN105281278A (en) | 2016-01-27 |
| CN105281278B CN105281278B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510805546.9A Active CN105281278B (en) | 2015-11-20 | 2015-11-20 | A kind of extra large cable centralized positioning protection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129950A (en) * | 2016-08-29 | 2016-11-16 | 中天海洋系统有限公司 | A kind of sea cable centralized positioning and seal protecting device |
| CN106159866A (en) * | 2016-08-29 | 2016-11-23 | 中天海洋系统有限公司 | A kind of sea cable centralized positioning and seal protecting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003873A (en) * | 1997-06-06 | 1999-12-21 | Alcatel | J-tube seal |
| CN2655263Y (en) * | 2003-08-26 | 2004-11-10 | 江苏中天科技股份有限公司 | Ocean cable connector box |
| CN202975411U (en) * | 2012-11-13 | 2013-06-05 | 宁波东方电缆股份有限公司 | A bending limiting device of a submarine cable |
| CN203445556U (en) * | 2013-07-31 | 2014-02-19 | 中国海洋石油总公司 | Cable suspension device |
| CN104300441A (en) * | 2014-11-04 | 2015-01-21 | 中天科技海缆有限公司 | Temporary fixation device of submarine cable platform |
| CN205141597U (en) * | 2015-11-20 | 2016-04-06 | 中天科技海缆有限公司 | Sea cable center location protection device |
-
2015
- 2015-11-20 CN CN201510805546.9A patent/CN105281278B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003873A (en) * | 1997-06-06 | 1999-12-21 | Alcatel | J-tube seal |
| CN2655263Y (en) * | 2003-08-26 | 2004-11-10 | 江苏中天科技股份有限公司 | Ocean cable connector box |
| CN202975411U (en) * | 2012-11-13 | 2013-06-05 | 宁波东方电缆股份有限公司 | A bending limiting device of a submarine cable |
| CN203445556U (en) * | 2013-07-31 | 2014-02-19 | 中国海洋石油总公司 | Cable suspension device |
| CN104300441A (en) * | 2014-11-04 | 2015-01-21 | 中天科技海缆有限公司 | Temporary fixation device of submarine cable platform |
| CN205141597U (en) * | 2015-11-20 | 2016-04-06 | 中天科技海缆有限公司 | Sea cable center location protection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129950A (en) * | 2016-08-29 | 2016-11-16 | 中天海洋系统有限公司 | A kind of sea cable centralized positioning and seal protecting device |
| CN106159866A (en) * | 2016-08-29 | 2016-11-23 | 中天海洋系统有限公司 | A kind of sea cable centralized positioning and seal protecting device |
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| Publication number | Publication date |
|---|---|
| CN105281278B (en) | 2017-11-28 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190425 Address after: 226010 No. 1 Xin Kai Nan Road, Nantong economic and Technological Development Zone, Jiangsu Co-patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu Patentee after: Zhongtian Technologies Submarine Optic Fiber Cable Co., Ltd. Address before: 226000 No. 1 Xin Kai Nan Road, Nantong economic and Technological Development Zone, Jiangsu Patentee before: Zhongtian Technologies Submarine Optic Fiber Cable Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200827 Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Patentee after: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd. Address before: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Co-patentee before: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. Patentee before: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
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. |