CN108512186A - A kind of underwater dynamic cable buoyant mass fixing device and its application method - Google Patents

A kind of underwater dynamic cable buoyant mass fixing device and its application method Download PDF

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Publication number
CN108512186A
CN108512186A CN201810353404.7A CN201810353404A CN108512186A CN 108512186 A CN108512186 A CN 108512186A CN 201810353404 A CN201810353404 A CN 201810353404A CN 108512186 A CN108512186 A CN 108512186A
Authority
CN
China
Prior art keywords
dynamic cable
underwater dynamic
buoyant mass
clamping
underwater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810353404.7A
Other languages
Chinese (zh)
Inventor
李博
郭宏
郭江艳
朱军龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
Original Assignee
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Offshore Oil Corp CNOOC, CNOOC Research Institute Co Ltd filed Critical China National Offshore Oil Corp CNOOC
Priority to CN201810353404.7A priority Critical patent/CN108512186A/en
Publication of CN108512186A publication Critical patent/CN108512186A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • H02G9/12Installations of electric cables or lines in or on the ground or water supported on or from floats, e.g. in water

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  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The present invention relates to a kind of underwater dynamic cable buoyant mass fixing device and its application methods, it is characterised in that:It includes buoyant mass and underwater dynamic cable clamping device;Buoyant mass includes the upper and lower two buoyant mass float being oppositely arranged, and a underwater dynamic cable fixed groove is respectively arranged in the middle part of the opposite face of two buoyant mass floats, underwater dynamic cable clamping device fixed card slot is provided in the middle part of two underwater dynamic cable fixed grooves;Underwater dynamic cable clamping device includes an expansible underwater dynamic cable clamping band, two expansible clamping fastener bands and two fastening bolts, is provided in the middle part of underwater dynamic cable clamping band outer surface for fixing bulge loop with the float of two buoyant mass float grafting;Float fixes bulge loop both sides and two clamping fastener bands is fixedly installed, and the end of two clamping fastener bands is fixedly connected by two fastening bolts so that underwater dynamic cable clamping band inner surface fixation is disposed around underwater dynamic cable outer surface.The present invention can be widely applied in underwater dynamic cable buoyant mass fixation.

Description

A kind of underwater dynamic cable buoyant mass fixing device and its application method
Technical field
The invention belongs to the technical fields of underwater hydrocarbon production system, dynamic for marine resources development more particularly to one kind The underwater dynamic cable buoyant mass fixing device and its application method of state cable, umbilical cables.
Background technology
With increasing rapidly for world ocean gas industries, the exploitation in deep water hydrocarbon field will more and more be paid attention to, Subsea production system is the most development mode of deep water hydrocarbon field development and application, and umbilical cables and power cable are underwater production systems It unites important component part.Umbilical cables and power cable by various environmental loads, wave, stream due to being influenced so that at it Bottom can be easier to fail with seabed or well head contact site, repeatedly abrasion etc..In this regard, needing to carry out in engineering special Whole Alignment Design, to mitigate the stress of junction, and realize this Alignment Design and just need using the attachmentes such as buoyant mass.It is floating The stress of the setting of power block not only can improve umbilical cables, power cable contacts to earth section junction, and can also reduce umbilical cables, Pulling force at the top of power cable improves umbilical cables, the service life of power cable.
Usual buoyant mass is made of the float of two halves, needs to connect together by the methods of bolt or binding strap, The buoyant mass of one completion of composition.The line style designed according to umbilical cables, power cable is different, and the position of buoyant mass arrangement is not yet Together, it needs with special clamping and fixing device come fixed buoyancy block.Existing buoyant mass fixing device generally use three-clove style Fastening means, the underwater dynamic cable outer diameter being directed to is single, and is easy to cause to squeeze to underwater dynamic cable when fastening, destroys underwater The internal structure of dynamic cable.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of underwater dynamic cable buoyant mass fixing device and its users Method, the device can quickly, firmly be clamped on dynamic cable, realize being fixed on dynamic cable for buoyant mass stabilization, economy can It leans on.
To achieve the above object, the present invention takes following technical scheme:A kind of underwater dynamic cable buoyant mass fixing device, It is characterized in that:It includes buoyant mass and underwater dynamic cable clamping device;The buoyant mass includes that upper and lower two be oppositely arranged float The opposite face middle part of power block float, the two buoyant mass floats is respectively arranged with a underwater dynamic cable fixed groove, two water It is provided with underwater dynamic cable clamping device fixed card slot in the middle part of lower dynamic cable fixed groove;The underwater dynamic cable clamping device packet Include an expansible underwater dynamic cable clamping band, two expansible clamping fastener bands and two fastening bolts, the underwater dynamic It is provided in the middle part of cable clamping band outer surface for fixing bulge loop with the float of the two buoyant mass float grafting;The float is fixed The two clamping fastener bands are fixedly installed in bulge loop both sides, and the end of the two clamping fastener bands is fixed by two fastening bolts Connection so that the underwater dynamic cable clamping band inner surface fixation is disposed around underwater dynamic cable outer surface.
The underwater dynamic cable clamping band includes the clamping piece of several spacing side by side settings, and the clamping piece includes a bottom Seat, the base lower surface are plane, are provided with float fixed column in the middle part of the base upper surface, on each clamping piece pedestal The float fixed column of surface middle part collectively forms the float and fixes bulge loop;Clamping piece upper base surface both ends are set respectively It is equipped with a fastening intermediate plate limited step;Be provided between the float fixed column and the two fastening intermediate plate limited steps with it is described The fastening intermediate plate stationary plane that clamping fastener bandwidth matches.
Float fixed column top is in cube structure, the cube structure lower part and the fastening intermediate plate stationary plane Joint face be in cambered surface.
The fastening intermediate plate stationary plane is inclined-plane.
The fastening intermediate plate stationary plane in the middle part of clamping piece towards the clamping piece both ends by tilting down.
The clamping fastener band includes several first fastening intermediate plates, two second fastening intermediate plates and two anchorage clip strip terminals;Institute It states the first fastening intermediate plate on both sides of the middle relative position and the first concavity connector and the first convex connector is respectively set, two-by-two described By the first concavity connector and the first convex nipple pin axis connection at middle part between one fastening intermediate plate, it is tight to constitute the first clamping Gu band;The second fastening intermediate plate on both sides of the middle relative position is respectively provided with the second concavity connector, the two second fastening intermediate plates The two first fastening intermediate plates and two of first clamping fastener with both ends are connected by the second concavity connector respectively The anchorage clip strip terminal collectively forms the clamping fastener band;The inner surface of the first, second fastening intermediate plate is both provided with One limited step.
A kind of application method of underwater dynamic cable buoyant mass fixing device, includes the following steps:
1) each clamping piece is disposed around to the precalculated position of underwater dynamic cable side by side successively, forms underwater dynamic cable clamping band;
2) dynamic cable clip under water is respectively set in two clamping fastener bands and holds belt surface both sides, and made in clamping fastener band The step of each anchorage clip plate inner surface is in two adjacent clamping pieces;
3) two fastening bolts are connected so that underwater dynamic cable clamping device is firmly locked to the pre-determined bit of underwater dynamic cable It sets;
4) the upper and lower two buoyant mass float of buoyant mass is inserted respectively into underwater dynamic cable clip and holds outside of deivce Middle face Float is fixed on bulge loop;
5) two buoyant mass floats are tightened by binding strap or bolt, completes the installation of buoyant mass.
The invention adopts the above technical scheme, which has the following advantages:1, the present invention underwater is moved by expansible State cable clamping band is disposed around outside underwater dynamic cable, is adaptable to different underwater dynamic cable outer diameters, and the scope of application is wider.2, originally Invention is formed since underwater dynamic cable clamping band is arranged side by side by clamping piece, and each clamping piece outer surface is both provided with float and fixes Column, float fixed column lower part are connect with clamping piece upper surface radian, can be when float fixed column and buoyant mass are fastenedly connected, together When radial and axial pressing force is provided so that connection it is more reliable.3, fastening of the present invention due to the setting of clamping piece outer surface Intermediate plate stationary plane is inclined-plane, when each fastening intermediate plate that can be in clamping fastener band is fastened with clamping piece, while provide radial direction with Axial pressing force, further increases fastening reliability.4, it is real by two clamping fastener bands to hold band for the underwater dynamic cable clip of the present invention It is now fixedly connected, underwater dynamic cable clamping band and restraint zone are crawler type, provide underwater dynamic cable balanced radial compaction Power avoids the damage to underwater dynamic cable.Present invention connection is simple, quick, secured, therefore can be widely applied to dynamic under water The fixed network of state cable buoyant mass.
Description of the drawings
Fig. 1 is buoyant mass fixing device schematic diagram of the present invention;
Fig. 2 is buoyant mass fixing device clamping piece schematic diagram of the present invention;
Fig. 3 is that buoyant mass of the present invention is fixed to umbilical cables/power cable schematic diagram.
Specific implementation mode
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 and Figure 2, a kind of underwater dynamic cable buoyant mass fixing device provided by the invention, including buoyant mass 1 with And underwater dynamic cable clamping device 2.Wherein, buoyant mass 1 includes the upper and lower two buoyant mass float 11 being oppositely arranged, two buoyant mass A underwater dynamic cable fixed groove 12, two underwater dynamic cable fixed grooves, 12 middle part are respectively arranged in the middle part of the opposite face of float 11 It is provided with underwater dynamic cable clamping device fixed card slot 13;Underwater dynamic cable clamping device 2 includes expansible underwater dynamic cable The expansible clamping fastener band 22 of clamping band 21, two and two fastening bolts 23, underwater 21 outer surface of dynamic cable clamping band middle part It is provided with for fixing bulge loop 24 with the float of two buoyant mass floats, 11 grafting;It is solid that two clamping fastener bands 22 are fixed at float Determine 24 both sides of bulge loop, and the end of two clamping fastener bands 22 is fixedly connected by two fastening bolts 23 so that underwater dynamic cable clip It holds the fixation of 21 inner surface of band and is disposed around underwater 3 outer surface of dynamic cable.
As shown in figure 3, underwater dynamic cable clamping band 21 includes the clamping piece 211 of several spacing side by side setting, clamping piece 211 Including a pedestal, base lower surface is plane, and float fixed column 212,211 pedestal of each clamping piece are provided in the middle part of base upper surface The float fixed column 212 of upper surface middle part collectively forms float and fixes bulge loop 24;Distinguish at 211 upper base surface both ends of clamping piece It is provided with a fastening intermediate plate limited step 213;Float fixed column 212 and two fasten be provided between intermediate plate limited step 213 with The fastening intermediate plate stationary plane 214 that 22 width of clamping fastener band matches.
Clamping fastener band 22 includes several first fastenings intermediate plates 221, two second fastening intermediate plates 222 and two anchorage clip strip terminals 223.Wherein, the first concavity connector and the first convex connector is respectively set in the first fastening 221 on both sides of the middle relative position of intermediate plate, Two-by-two by the first concavity connector and the first convex nipple pin axis connection in the middle part of it between the first fastening intermediate plate 221, the is constituted One clamping fastener band;Second fastening 222 on both sides of the middle relative position of intermediate plate is respectively provided with the second concavity connector, two second anchorage clips Piece 222 connects two first fastening intermediate plates 221 and two of first clamping fastener with both ends by the second concavity connector respectively and fastens Intermediate plate connector 223 collectively forms clamping fastener band.In addition, the inner surface of the first, second fastening intermediate plate 221,222 is both provided with One limited step, for separating adjacent two clamping piece 211.
As a preferred embodiment, in clamping piece 211,212 top of float fixed column is in cube structure, cube The joint face of structure bottom and fastening intermediate plate stationary plane 214 is in cambered surface, for connecting in float fixed column 212 and the fastening of buoyant mass 1 When connecing, while providing radial and axial pressing force so that connection is more reliable.
As a preferred embodiment, in clamping piece 211, fastening intermediate plate stationary plane 214 is inclined-plane, and the fastening intermediate plate is solid Determine face 214 to be tilted down towards clamping piece both ends by 211 middle part of clamping piece, it is radial and axial for being provided for each fastening intermediate plate Pressing force so that connection is more reliable.
The present invention also provides a kind of application methods of underwater dynamic cable buoyant mass fixing device, include the following steps:
1) each clamping piece 211 is disposed around to the precalculated position of underwater dynamic cable 3 side by side successively, underwater dynamic cable clip is formed and holds Band 21;
2) 21 surface both sides of dynamic cable clamping band under water are respectively set in two clamping fastener bands 22, and make clamping fastener Step with each anchorage clip plate inner surface in 22 is in two adjacent clamping pieces 211;
3) two fastening bolts 23 are connected so that underwater dynamic cable clamping device 2 is firmly locked to the pre- of underwater dynamic cable 3 Positioning is set;
4) the upper and lower two buoyant mass float 11 of buoyant mass 1 is inserted respectively into underwater 2 outer surface of dynamic cable clamping device The float in portion is fixed on bulge loop 24;
5) two buoyant mass floats 11 are tightened by binding strap or bolt, completes buoyant mass 1 and installs.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all It can be varied from, every equivalents carried out based on the technical solution of the present invention and improvement should not exclude Except protection scope of the present invention.

Claims (7)

1. a kind of underwater dynamic cable buoyant mass fixing device, it is characterised in that:It includes that buoyant mass and underwater dynamic cable clip are held Device;
The buoyant mass includes the upper and lower two buoyant mass float being oppositely arranged, part in the opposite face of the two buoyant mass floats It is not provided with a underwater dynamic cable fixed groove, being provided with underwater dynamic cable clip in the middle part of the two underwater dynamic cable fixed grooves holds Device fixed card slot;
The underwater dynamic cable clamping device includes an expansible underwater dynamic cable clamping band, two expansible clamping fastener bands And two fastening bolts, be provided in the middle part of the underwater dynamic cable clamping band outer surface for the two buoyant mass float grafting Float fix bulge loop;The float fixes bulge loop both sides and the two clamping fastener bands, the two clamping fastener bands is fixedly installed End be fixedly connected by two fastening bolts so that the underwater dynamic cable clamping band inner surface fixation is disposed around underwater Dynamic cable outer surface.
2. a kind of underwater dynamic cable buoyant mass fixing device as described in claim 1, it is characterised in that:The underwater dynamic cable Clamping band includes the clamping piece of several spacing side by side settings, and the clamping piece includes a pedestal, and the base lower surface is plane, It is provided with float fixed column in the middle part of the base upper surface, the float fixed column in the middle part of each clamping piece base upper surface is common It constitutes the float and fixes bulge loop;Clamping piece upper base surface both ends are respectively arranged with a fastening intermediate plate limited step; It is provided between the float fixed column and the two fastening intermediate plate limited steps and matches with the clamping fastener bandwidth Fasten intermediate plate stationary plane.
3. a kind of underwater dynamic cable buoyant mass fixing device as claimed in claim 2, it is characterised in that:The float fixed column Top is in cube structure, and the cube structure lower part and the joint face of the fastening intermediate plate stationary plane are in cambered surface.
4. a kind of underwater dynamic cable buoyant mass fixing device as claimed in claim 2, it is characterised in that:The fastening intermediate plate is solid It is inclined-plane to determine face.
5. a kind of underwater dynamic cable buoyant mass fixing device as claimed in claim 4, it is characterised in that:The fastening intermediate plate is solid Face is determined by being tilted down towards the clamping piece both ends in the middle part of clamping piece.
6. a kind of underwater dynamic cable buoyant mass fixing device as described in claim 1, it is characterised in that:The clamping fastener band Including several first fastening intermediate plates, two second fastening intermediate plates and two anchorage clip strip terminals;
The first concavity connector and the first convex connector is respectively set in the first fastening intermediate plate on both sides of the middle relative position, two-by-two By the first concavity connector and the first convex nipple pin axis connection at middle part between the first fastening intermediate plate, first is constituted Clamping fastener band;
The second fastening intermediate plate on both sides of the middle relative position is respectively provided with the second concavity connector, the two second fastening intermediate plates point The two first fastening intermediate plates of first clamping fastener with both ends and two institutes are not connected by the second concavity connector Anchorage clip strip terminal is stated, the clamping fastener band is collectively formed;
The inner surface of the first, second fastening intermediate plate is both provided with a limited step.
7. a kind of application method of dynamic cable buoyant mass fixing device underwater as described in any one of claim 1~6, including it is following Step:
1) each clamping piece is disposed around to the precalculated position of underwater dynamic cable side by side successively, forms underwater dynamic cable clamping band;
2) dynamic cable clip under water is respectively set in two clamping fastener bands and holds belt surface both sides, and made each tight in clamping fastener band Gu the step of intermediate plate inner surface is in two adjacent clamping pieces;
3) two fastening bolts are connected so that underwater dynamic cable clamping device is firmly locked to the precalculated position of underwater dynamic cable;
4) the upper and lower two buoyant mass float of buoyant mass is inserted respectively into the float that underwater dynamic cable clip holds outside of deivce Middle face On fixed bulge loop;
5) two buoyant mass floats are tightened by binding strap or bolt, completes the installation of buoyant mass.
CN201810353404.7A 2018-04-19 2018-04-19 A kind of underwater dynamic cable buoyant mass fixing device and its application method Pending CN108512186A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810353404.7A CN108512186A (en) 2018-04-19 2018-04-19 A kind of underwater dynamic cable buoyant mass fixing device and its application method

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Application Number Priority Date Filing Date Title
CN201810353404.7A CN108512186A (en) 2018-04-19 2018-04-19 A kind of underwater dynamic cable buoyant mass fixing device and its application method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112319713A (en) * 2020-10-21 2021-02-05 大连理工大学 Buoyancy and protection equipment applied to shallow water ocean flexible riser
CN113494643A (en) * 2020-04-08 2021-10-12 苏州希倍优辊轮有限公司 Dynamic flexible pipe cable underwater floater and using method thereof

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Publication number Priority date Publication date Assignee Title
US20140173856A1 (en) * 2011-05-26 2014-06-26 Matrix Composites & Engineering Ltd Clamp assembly and a clamp element for clamping bouyancy elements to pipeline risers
CN104024562A (en) * 2011-11-04 2014-09-03 雪佛龙美国公司 Lateral buckling mitigation apparatus, methods and systems for use with subsea conduits
JP5810208B1 (en) * 2014-11-26 2015-11-11 宇部樹脂加工株式会社 Cable float
AU2013261258B2 (en) * 2012-05-18 2017-09-21 Trelleborg Offshore U.K. Ltd Clamp
WO2018002646A1 (en) * 2016-06-30 2018-01-04 Trelleborg Offshore Uk Ltd Buoyancy element
CN107735244A (en) * 2015-06-12 2018-02-23 3M创新有限公司 Buoyant module

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140173856A1 (en) * 2011-05-26 2014-06-26 Matrix Composites & Engineering Ltd Clamp assembly and a clamp element for clamping bouyancy elements to pipeline risers
CN104024562A (en) * 2011-11-04 2014-09-03 雪佛龙美国公司 Lateral buckling mitigation apparatus, methods and systems for use with subsea conduits
AU2013261258B2 (en) * 2012-05-18 2017-09-21 Trelleborg Offshore U.K. Ltd Clamp
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113494643A (en) * 2020-04-08 2021-10-12 苏州希倍优辊轮有限公司 Dynamic flexible pipe cable underwater floater and using method thereof
CN112319713A (en) * 2020-10-21 2021-02-05 大连理工大学 Buoyancy and protection equipment applied to shallow water ocean flexible riser

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Application publication date: 20180907