CN105281278B - A kind of extra large cable centralized positioning protection device - Google Patents

A kind of extra large cable centralized positioning protection device Download PDF

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Publication number
CN105281278B
CN105281278B CN201510805546.9A CN201510805546A CN105281278B CN 105281278 B CN105281278 B CN 105281278B CN 201510805546 A CN201510805546 A CN 201510805546A CN 105281278 B CN105281278 B CN 105281278B
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extra large
cable
large cable
protection device
symmetrical
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CN105281278A (en
Inventor
耿敏敏
郭朝阳
蔡炳余
张建民
谢书鸿
薛建林
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Zhongtian Technology Submarine Cable Co Ltd
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Zhongtian Technology Submarine Cable Co Ltd
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Abstract

The invention discloses a kind of extra large cable centralized positioning protection device, including guide cone, centration axis, lock shaft, bends reinforcer;Guide cone is made up of symmetrical two parts, and head is pyramidal structure, and afterbody is provided with assembling groove, and both sides are symmetrical arranged stepped hole;Centration axis is made up of symmetrical two parts, and head sets assembling bulge loop, and afterbody is provided with installation groove, and both sides are symmetrical arranged step through-hole;Lock shaft is made up of symmetrical two parts, and head is provided with connection bulge loop, and afterbody is provided with adpting flange;Inserts built in bending reinforcer, it is bolted bending reinforcer and lock shaft, inserts outer wrapping tapered sleeve.The present apparatus can be limited in cable J-shaped tube hub position, prevent extra large cable is swung from producing collision with J-shaped pipe, rubbing and damage, the bending resistance of the hanging section of extra large cable can be improved simultaneously, avoid hanging section extra large cable overbending or fatigue damage under hydrodynamic force, prevent the generation of accident, the apparatus structure is simple, easy for installation simultaneously, and reliability is high, service life length.

Description

A kind of extra large cable centralized positioning protection device
Technical field
The present invention relates to a kind of extra large cable centralized positioning protection device, exists especially suitable for oil platform, offshore wind farm extra large cable The centralized positioning of pillar infratubal port and protection.
Background technology
As China increasingly increases to energy demand, the dynamics of offshore and gas development is also constantly strengthened, and at sea oil is put down In platform system operation, submarine cable obtains more and more extensive application, and submarine cable is to pass through J-shaped pipe under water, leads to platform Top, power system is accessed, used for platform.But because J-shaped bottom of the tube does not contact seabed, cable hanging phenomenon is occurred, hang Empty submarine cable is constantly swung under the dynamic action of ocean current and wave, is hit, friction J-shaped infratubal port, so as to cause Protect and be destroyed outside cable, be further worn out cable insulation, ultimately result in insulating barrier breakdown accident, the electric power for influenceing platform supplies Should, cause huge economic loss.It is jackstone method to prevent J-shaped infratubal port cable flexing common method at present, and jackstone method handle pours The concrete block being poured in, connect to form chain or netted using nylon rope, then jettisoninged downwards from ship near hanging section, profit Cable is pushed down with the weight of concrete, suppresses hanging section cable and is only applicable to shallow water, extra large cable in hydrodynamic force lower swing, this method The situation that flying height is low, bottom is smooth, and cost height, constructional difficulties, workload is big, efficiency is low, effective age is short, simultaneously The mixed mud block jettisoninged is possible to that extra large cable is caused to damage.
The content of the invention
Goal of the invention:The invention aims to solve deficiency of the prior art, there is provided one kind can limit cable Make in J-shaped tube hub position, prevent extra large cable is swung from producing collision with J-shaped pipe, rubbing and damage, while the hanging section of extra large cable can be improved Bending resistance, avoid hanging section extra large cable overbending or fatigue damage under hydrodynamic force, prevent the generation of accident, simultaneously should Apparatus structure is simple, easy for installation, and reliability is high, the extra large cable centralized positioning protection device of service life length.
Technical scheme:A kind of extra large cable centralized positioning protection device of the present invention, including guide cone, centration axis, locking Axle, bend reinforcer;The guide cone is made up of symmetrical two parts, and head is pyramidal structure, and inside is provided with centre bore, and afterbody is set Assembling groove is equipped with, both sides are symmetrical arranged stepped hole, are bolted the symmetrical two parts of guide cone;The centration axis is by symmetrical Two parts form, and inside is provided with central through hole, and head sets assembling bulge loop, and afterbody is provided with installation groove, and both sides are symmetrical arranged Step through-hole, it is bolted centering axial symmetry two parts;The lock shaft is made up of symmetrical two parts, and inside is provided with locking Centre bore, head are provided with connection bulge loop, and afterbody is provided with adpting flange, and both sides set step circular hole, are bolted lock The symmetrical two parts of mandrel;Inserts built in the bending reinforcer, center hole built in the inserts, the inserts and the locking Axle is fixedly connected, and is bolted bending reinforcer and lock shaft, the inserts outer wrapping tapered sleeve, tapered sleeve center built in tapered sleeve Hole.
Further, the head of the centration axis is mutually twisted by assembling bulge loop with being oriented to the assembling groove of terebrantia, Realize connection.
Further, the locking shaft head is mutually twisted by connecting the installation groove of bulge loop and centration axis afterbody, real Now connect.
Further, the inserts head is provided with adpting flange, and the inserts afterbody is provided with barb-shaped projection.
Further, the tapered sleeve leading portion is column construction, and tapered sleeve back segment is pyramidal structure.
Further, the centre bore, central through hole, locking centre bore, center hole, the central axis of tapered sleeve centre bore Point-blank.
Further, the tapered sleeve is rubber tapered sleeve.
The invention also discloses a kind of assembly method of extra large cable centralized positioning protection device, comprise the following steps:
(1)The installation site of the positioning of Hai Guan cable center and protection device in extra large cable is determined first, and extra large cable is placed in Reinforcer inside center hole is bent, and bending reinforcer set to extra large cable installation site;
(2)Extra large cable, is placed in lock shaft inside center hole by following installation locking axle, and axial symmetry is locked using bolt connection Two parts, while lock shaft clamping cables;
(3)Inserts head adpting flange built in bolt connection lock shaft afterbody adpting flange and bending reinforcer is recycled, Realize lock shaft with bending the connection of reinforcer;
(4)Centration axis is installed below, extra large cable is placed in centration axis inside center hole, centration axis afterbody assembling groove and locking Shaft head assembling bulge loop is mutually twisted;
(5)Centering axial symmetry two parts, while centration axis clamping cables are bolted again;
(6)Guide cone is finally installed, cable is placed in guide cone inside center hole, is oriented to terebrantia assembling groove and centering Shaft head assembling bulge loop is mutually twisted;
(7)The symmetrical two parts of guide cone, while guide cone clamping cables are bolted again, so far Hai Guan cable center Positioning and protection device assembling finish;
(8)Then cable will pass through extra large pipe to introduce platform, and the positioning of Hai Guan cable center and protection device dress can be with cables Traction is stuck in extra large pipe straight tube end to extra large pipe lower end horn mouth position, centration axis, realizes centralized positioning of the cable in extra large pipe;
(9)Hanging section bending stiffness can be increased by locking the bending reinforcer of shaft tail end connection simultaneously, prevent hanging section sea Cable overbending or fatigue damage under hydrodynamic force.
Beneficial effect:The present apparatus can be limited in cable J-shaped tube hub position, prevent extra large cable is swung from being produced with J-shaped pipe Collision, rub and damage, while the bending resistance of the hanging section of extra large cable can be improved, avoid hanging section extra large cable excessive under hydrodynamic force Bending or fatigue damage, prevent the generation of accident, while the apparatus structure is simple, easy for installation, and reliability is high, service life It is long.The present apparatus is easily installed using Ha Fushi structures, is oriented to cone head part conical design, is easy to the device to enter J-shaped pipe, centration axis Cable can be held tightly with lock shaft, prevents the device and extra large cable from slipping, while centration axis external diameter is more smaller than extra large bore, can be Extra large cable is limited in extra large tube hub position, and bending reinforcer can increase hanging section extra large cable bending stiffness made of elastomeric material, prevent Only hanging section extra large cable overbending or fatigue damage under hydrodynamic force.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention;
Fig. 2 is Fig. 1 structure sectional view.
Embodiment
A kind of extra large cable centralized positioning protection device as depicted in figs. 1 and 2, including guide cone 1, centration axis 2, lock shaft 3, Bend reinforcer 4;The guide cone 1 is made up of symmetrical two parts, and head is pyramidal structure, and inside is provided with centre bore 5, and afterbody is set Assembling groove 6 is equipped with, both sides are symmetrical arranged stepped hole 7, and 1 symmetrical two parts of guide cone are connected by bolt 8;The centration axis 2 It is made up of symmetrical two parts, inside is provided with central through hole 9, and head sets assembling bulge loop 10, and afterbody is provided with installation groove 11, and two Side is symmetrical arranged step through-hole 12, and 2 symmetrical two parts of centration axis are connected by bolt 13;The lock shaft 3 is by symmetrical two parts Composition, inside are provided with locking centre bore 14, and head is provided with connection bulge loop 15, and afterbody is provided with adpting flange 16, and both sides are set Step circular hole 17,3 symmetrical two parts of lock shaft are connected by bolt 18;Inserts 19 built in the bending reinforcer 4, the inserts Center hole 20 built in 19, the inserts 19 are fixedly connected with the lock shaft 3, and the bending He of reinforcer 4 is connected by bolt 25 Lock shaft 3, the outer wrapping tapered sleeve 23 of inserts 19, tapered sleeve centre bore 24 built in tapered sleeve 23.
Further optimization as above-mentioned technical proposal:
Further, the head of the centration axis 2 is mutual by the assembling groove 6 for assembling bulge loop 10 and the afterbody of guide cone 1 Occlusion, realize connection.
Further, the head of lock shaft 3 is mutually stung by connecting the installation groove 11 of bulge loop 15 and the afterbody of centration axis 2 Close, realize connection.
Further, the head of inserts 19 is provided with adpting flange 21, and the afterbody of inserts 19 is provided with barb-shaped convex Play 22.
Further, the leading portion of tapered sleeve 23 is column construction, and the back segment of tapered sleeve 23 is pyramidal structure.
Further, the centre bore 5, central through hole 9, locking centre bore 14, center hole 20, tapered sleeve centre bore 24 Central axis is point-blank.
Further, the tapered sleeve 23 is rubber tapered sleeve.
A kind of assembly method of above-mentioned extra large cable centralized positioning protection device, comprises the following steps:
(1)The installation site of the positioning of Hai Guan cable center and protection device in extra large cable 26 is determined first, extra large cable 26 Bending reinforcer inside center hole is placed in, and bending reinforcer set to the installation site of extra large cable 26;
(2)Extra large cable, is placed in lock shaft inside center hole by following installation locking axle, and axial symmetry is locked using bolt connection Two parts, while lock shaft clamping cables;
(3)Inserts head adpting flange built in bolt connection lock shaft afterbody adpting flange and bending reinforcer is recycled, Realize lock shaft with bending the connection of reinforcer;
(4)Centration axis is installed below, extra large cable is placed in centration axis inside center hole, centration axis afterbody assembling groove and locking Shaft head assembling bulge loop is mutually twisted;
(5)Centering axial symmetry two parts, while centration axis clamping cables are bolted again;
(6)Guide cone is finally installed, cable is placed in guide cone inside center hole, is oriented to terebrantia assembling groove and centering Shaft head assembling bulge loop is mutually twisted;
(7)The symmetrical two parts of guide cone, while guide cone clamping cables are bolted again, so far Hai Guan cable center Positioning and protection device assembling finish;
(8)Then cable will pass through extra large pipe 27 to introduce platform, and the positioning of Hai Guan cable center and protection device dress can be with electricity Cable 26 is drawn to the extra large position of 27 lower end horn mouth of pipe 28, and centration axis is stuck in the extra large straight tube end of pipe 27, realizes cable 26 in extra large pipe Centralized positioning;
(9)Hanging section bending stiffness can be increased by locking the bending reinforcer of shaft tail end connection simultaneously, prevent hanging section sea Cable overbending or fatigue damage under hydrodynamic force.
The present apparatus can be limited in cable J-shaped tube hub position, prevent extra large cable is swung from producing collision, friction with J-shaped pipe And damage, while the bending resistance of the hanging section of extra large cable can be improved, avoid hanging section extra large cable overbending or tired under hydrodynamic force Strain wound, prevents the generation of accident, while the apparatus structure is simple, easy for installation, and reliability is high, service life length.The present apparatus It is easily installed using Ha Fushi structures, is oriented to cone head part conical design, is easy to the device to enter J-shaped pipe, centration axis and lock shaft Cable can be held tightly, prevent the device from being slipped with extra large cable, while centration axis external diameter is more smaller than extra large bore, extra large cable can be limited In extra large tube hub position, bending reinforcer can increase hanging section extra large cable bending stiffness made of elastomeric material, prevent hanging section Extra large cable overbending or fatigue damage under hydrodynamic force.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.

Claims (7)

  1. A kind of 1. extra large cable centralized positioning protection device, it is characterised in that:Including guide cone (1), centration axis (2), lock shaft (3), Bend reinforcer (4);The guide cone (1) is made up of symmetrical two parts, and head is pyramidal structure, and inside is provided with centre bore (5), Afterbody is provided with assembling groove (6), and both sides are symmetrical arranged stepped hole (7), by symmetrical two of bolt A (8) connection guide cones (1) Point;The centration axis (2) is made up of symmetrical two parts, and inside is provided with central through hole (9), and head sets assembling bulge loop (10), tail Portion is provided with installation groove (11), and both sides are symmetrical arranged step through-hole (12), and it is symmetrical to connect centration axis (2) by bolt B (13) Two parts;The lock shaft (3) is made up of symmetrical two parts, and inside is provided with locking centre bore (14), and it is convex that head is provided with connection Ring (15), afterbody are provided with adpting flange A (16), and both sides set step circular hole (17), pass through bolt C (18) connection lock shafts (3) symmetrical two parts;Inserts (19) built in the bending reinforcer (4), center hole (20) built in the inserts (19) are described Inserts (19) is fixedly connected with the lock shaft (3), and reinforcer (4) and lock shaft (3), institute are bent by bolt D (25) connections Inserts (19) outer wrapping tapered sleeve (23) is stated, tapered sleeve centre bore (24) built in tapered sleeve (23);
    The assembly method of the extra large cable centralized positioning protection device, comprises the following steps:
    (1) installation site of the positioning of Hai Guan cable center and protection device in extra large cable is determined first, and extra large cable is placed in bending Reinforcer inside center hole, and bending reinforcer set to extra large cable installation site;
    (2) extra large cable, is placed in lock shaft inside center hole by following installation locking axle, utilizes bolt connection to lock axial symmetry two Point, while lock shaft clamping cables;
    (3) inserts head adpting flange built in recycling bolt connection lock shaft afterbody adpting flange and bending reinforcer, is realized The connection of lock shaft and bending reinforcer;
    (4) centration axis is installed below, extra large cable is placed in centration axis inside center hole, centration axis afterbody assembling groove and locking spindle nose Portion's assembling bulge loop is mutually twisted;
    (5) centering axial symmetry two parts, while centration axis clamping cables are bolted again;
    (6) guide cone is finally installed, cable is placed in guide cone inside center hole, is oriented to terebrantia assembling groove and centering spindle nose Portion's assembling bulge loop is mutually twisted;
    (7) the symmetrical two parts of guide cone, while guide cone clamping cables are bolted again, and so far Hai Guan cable center positions And protection device assembling finishes;
    (8) and then cable will pass through extra large pipe to introduce platform, and the positioning of Hai Guan cable center and protection device dress can be with cable pullings To extra large pipe lower end horn mouth position, centration axis is stuck in extra large pipe straight tube end, realizes centralized positioning of the cable in extra large pipe;
    (9) at the same lock shaft tail end connection bending reinforcer can increase hanging section bending stiffness, prevent hanging section extra large cable from existing Overbending or fatigue damage under hydrodynamic force.
  2. A kind of 2. extra large cable centralized positioning protection device according to claim 1, it is characterised in that:The centration axis (2) Head is mutually twisted by assembling the assembling groove (6) of bulge loop (10) and guide cone (1) afterbody, realizes connection.
  3. A kind of 3. extra large cable centralized positioning protection device according to claim 1, it is characterised in that:Lock shaft (3) head Portion is mutually twisted by connecting the installation groove (11) of bulge loop (15) and centration axis (2) afterbody, realizes connection.
  4. A kind of 4. extra large cable centralized positioning protection device according to claim 1, it is characterised in that:Inserts (19) head Adpting flange B (21) is provided with, inserts (19) afterbody is provided with barb-shaped raised (22).
  5. A kind of 5. extra large cable centralized positioning protection device according to claim 1, it is characterised in that:Tapered sleeve (23) leading portion For column construction, tapered sleeve (23) back segment is pyramidal structure.
  6. A kind of 6. extra large cable centralized positioning protection device according to claim 1, it is characterised in that:The centre bore (5), in Heart through hole (9), locking centre bore (14), center hole (20), tapered sleeve centre bore (24) central axis point-blank.
  7. A kind of 7. extra large cable centralized positioning protection device according to claim 1, it is characterised in that:The tapered sleeve (23) is rubber Glue tapered sleeve.
CN201510805546.9A 2015-11-20 2015-11-20 A kind of extra large cable centralized positioning protection device Active CN105281278B (en)

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CN105281278B true CN105281278B (en) 2017-11-28

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
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
CN113495334A (en) * 2020-04-08 2021-10-12 苏州希倍优辊轮有限公司 Optical cable protection device for underwater fixed observation equipment and use method thereof

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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

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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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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.

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Patentee before: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd.

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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.