CN109545458B - Umbilical cable - Google Patents
Umbilical cable Download PDFInfo
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- CN109545458B CN109545458B CN201811446846.2A CN201811446846A CN109545458B CN 109545458 B CN109545458 B CN 109545458B CN 201811446846 A CN201811446846 A CN 201811446846A CN 109545458 B CN109545458 B CN 109545458B
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- unit
- filling
- filling pipe
- protective layer
- layer
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- 239000011241 protective layer Substances 0.000 claims abstract description 57
- 239000010410 layer Substances 0.000 claims description 77
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000007123 defense Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910001039 duplex stainless steel Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
- H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
- H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
Landscapes
- Insulated Conductors (AREA)
Abstract
The umbilical cable comprises a protective layer and a functional unit positioned in the protective layer, wherein a bearing unit is arranged in the functional unit, the bearing unit and the functional unit are stranded, the functional unit comprises a first filling pipe and an electric unit which are arranged around the periphery of the bearing unit, the functional unit further comprises a second filling pipe positioned around the periphery of the first filling pipe and the electric unit, and a filling unit is filled between the functional unit and the inner wall of the protective layer on the outer side. By expanding the components in the functional unit and twisting the functional unit around the bearing unit, the structure in the umbilical cable can be more compact. In the large water depth environment, the bearing units on the inner side bear the load, so that the safety and reliability of the umbilical cable in the large water depth construction and traction process are ensured. And the lateral pressure is protected through the special-shaped filling strips, and gaps left after the functional units are arranged are filled.
Description
Technical Field
The invention relates to the technical field of ocean engineering, in particular to an umbilical cable.
Background
This section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
The umbilical cable for the underwater production system is mainly used for transmitting electric energy, signals and liquid, the structural function and strength of the umbilical cable must meet the requirements of large water depth construction and dynamic fatigue environment load effect for 25 years, and the umbilical cable is generally composed of a plurality of groups of functional units, and comprises electric cables, optical cables, stainless steel pipes or flexible hoses.
In the prior art, the umbilical cable is a stranded structure among the multifunctional units, and each unit is made of metal, so that the unit weight is large, the umbilical cable only depends on the outer armor to bear the gravity in water, and the risk of slipping of the lock cylinder exists.
Disclosure of Invention
The invention aims to provide an umbilical cable which can ensure the safety and reliability of the umbilical cable in the process of large water depth construction and traction.
The invention is realized by the following technical scheme:
the utility model provides an umbilical cable, includes the protective layer and is located the inside functional unit of protective layer, be equipped with the bearing unit in the functional unit, the bearing unit with the transposition of functional unit sets up, the functional unit is including encircling the setting and being in first filling pipe and the electric unit of bearing unit periphery, the functional unit is still including being located first filling pipe and the second filling pipe of electric unit periphery, it has the filling unit to fill between the protective layer inner wall in functional unit and the outside.
Preferably, the electrical unit is substantially the same outer diameter as the first filling tube and is disposed tangentially between the adjacent electrical unit or adjacent the first filling tube or an adjacently disposed electrical unit and the first filling tube.
Preferably, the second filling pipe is arranged tangentially to the adjacent first filling pipe or electrical unit, respectively.
Preferably, the functional unit further comprises a light unit, the light unit is located at the periphery of the electric unit and the first filling pipe, the light unit is respectively tangential to the adjacent first filling pipe or the electric unit, and the sum of the second filling pipe and the light unit is equal to the sum of the first filling pipe and the electric unit.
Preferably, the filling unit comprises a first filling member, and the first filling member is filled and arranged in the following way:
the electric unit, the outer protective layer and the two second filling pipes are adjacently arranged; or (b)
The electric unit, the outer protective layer and the adjacent two light units are arranged between each other; or (b)
The electric unit, the outer protective layer and the first filling pipe and the optical unit are adjacently arranged; or (b)
The first filling pipe is arranged between the protective layer and two adjacent second filling pipes; or (b)
The first filling pipe is arranged between the protective layer and two adjacent light units; or (b)
The first filling pipe is arranged between the protective layer and the light unit and the second filling unit which are adjacently arranged.
Preferably, the outer diameter of the second filling pipe is larger than the outer diameter of the light unit, the second filling pipe is tangentially arranged with the inner wall of the protective layer, and a second filling piece is arranged between the light unit and the inner wall of the protective layer.
Preferably, the outer diameter of the second filling pipe is smaller than the outer diameter of the light unit, the inner wall of the protective layer of the light unit is tangentially arranged, and a second filling piece is arranged between the second filling pipe and the inner wall of the protective layer.
Preferably, the bearing unit is located at the central position of the functional unit, and the bearing unit comprises a stranded wire unit and a protective sleeve located at the periphery of the stranded wire unit.
Preferably, the electric unit comprises a sheath which is arranged around the periphery, a copper-plastic composite belt which is mutually attached to the inner wall of the sheath is arranged in the sheath, and the copper-plastic composite belt is formed by wrapping.
Preferably, the protective layer comprises an armor layer and at least two sheath layers, and the two sheath layers are respectively positioned at the inner side and the outer side of the armor layer.
Preferably, the armor comprises at least two layers, adjacent armor is reversely twisted, and a wrapping layer is further arranged between the adjacent two layers of armor.
Preferably, the sheath layer is provided with a plurality of holes, and the sheath layer positioned on the inner side of the armor layer is tangential to the functional unit on the inner side.
Compared with the prior art, the umbilical cable comprises a protective layer and a functional unit positioned in the protective layer, wherein a bearing unit is arranged in the functional unit, the bearing unit and the functional unit are twisted, the functional unit comprises a first filling pipe and an electric unit which are circumferentially arranged on the periphery of the bearing unit, the functional unit further comprises a second filling pipe positioned on the periphery of the first filling pipe and the electric unit, and a filling unit is filled between the functional unit and the inner wall of the protective layer on the outer side. By spreading the parts in the functional unit and twisting the functional unit around the bearing unit, the structure in the umbilical cable can be more compact. In the large water depth environment, the umbilical cable is protected by the outer protective layer and is carried by the inner bearing unit, so that the umbilical cable is ensured to be safe and reliable in the large water depth construction and traction process. And protect lateral pressure through special-shaped filling strip, can fill the space that leaves after the functional unit arranges simultaneously.
Through the light unit that is located between functional unit and the protective layer, in the use, can be used to monitor the transition bending in the work progress to and the vortex-induced vibration that produces when the operation in place, and report to the police to it, when avoiding laying at the span section, the fatigue damage that the vortex-induced vibration can accelerate the cable.
The functional units and the bearing units are arranged in three layers through reasonable distribution inside the protective layer, and the innermost layer is the bearing unit, wherein the bearing unit is arranged at the center of the umbilical cable; the middle layer is formed by twisting four first steel pipes and electric units around the bearing unit; the outermost layer is a second steel pipe or a combination of the second steel pipe and the optical unit, is embedded in a gap of the second layer when the outermost layer is stranded, and all the components are mutually piled up along the central line of the bearing unit. The umbilical cables are uniformly arranged from inside to outside through the bearing units and the functional units which are arranged layer by layer, so that the stability of the structure is ensured; meanwhile, through symmetrical twisting arrangement, all functional units of the umbilical cable can be successfully twisted into a cable, and collapse and integral distortion of twisted units can be effectively prevented when lateral pressure is applied at all azimuth angles.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic overall cross-sectional view of an umbilical in an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a cross-section of a load cell in an umbilical of the present invention.
FIG. 3 is an enlarged schematic view of a cross section of an electrical unit in an umbilical of the present invention.
Reference numerals illustrate:
the following detailed description will further illustrate embodiments of the invention in conjunction with the above-described drawings.
Detailed Description
In order that the above-recited objects, features and advantages of embodiments of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. In addition, features in the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of embodiments of the invention, and the described embodiments are merely some, rather than all, of the embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are obtained by a person of ordinary skill in the art without making any inventive effort, are within the scope of the embodiments of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the invention belong. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention relates to an umbilical cable 100, as shown in fig. 1, comprising a protective layer 10, a functional unit 30 positioned at the inner side of the protective layer, a bearing unit 40 and a filling unit 50, wherein in the embodiment, the bearing unit 40 and the functional unit 30 are twisted, and the filling unit 50 is filled between the functional unit 30 and the inner wall of the protective layer 10 at the outer side. In this embodiment, through the bearing unit 40 that is twisted with the functional unit 30, each part inside the functional unit 30 is opened and twisted with each other around the bearing unit 40, so that the structure inside the umbilical 100 can be more compact, and in a deepwater environment, not only the outer protection layer 10 is relied on to protect the umbilical, but also the inner bearing unit 40 is used for bearing external pressure, so that the safety and reliability of the umbilical 100 in the deep water construction and the traction process are ensured. The lateral pressure is protected by the filling unit 50, and the gap left after the functional unit 30 is arranged can be filled.
In this embodiment, in order to protect the umbilical 100, as shown in fig. 1, the protection layer 10 includes a sheath layer 12 and an armor layer 14, where the sheath layer 12 and the armor layer 14 are two layers, and the two sheath layers 12 are respectively located at the inner and outer sides of the armor layer 14. In this way, the functional units 30 and the force-bearing units 40 inside the protective layer 10 are protected from damage by the mechanical protection provided by the sheath layer 12 and the armor layer 14. In other embodiments, the number of the sheath layer 12 and the armor layer 14 may be multiple, so that the outer structural layer is thickened by increasing the number of the sheath layer 12 and the armor layer 14, thereby further avoiding damage to the inner structure. In other embodiments, the armor layer 14 is not provided, which may reduce the overall mass of the umbilical 100, avoiding deformation due to over-bending during use.
In the construction process of large water depth, the umbilical cable 100 needs to be put into deep water with relatively high pressure from air with relatively low pressure, and the direct put can lead to deformation of the outer protective layer 10, so in this embodiment, as shown in fig. 1, a plurality of through holes 121 are arranged on the outer protective layer 12. Thus, the seawater is facilitated to permeate into the umbilical 100 through the through-holes 121 of the sheathing layer 12, and flows in the longitudinal direction, thereby ensuring the balance of the internal and external pressures.
In order to ensure the stability of the structure of the outer protective layer 10, in this embodiment, as shown in fig. 1, the armor layers 14 are arranged in two layers, and two adjacent armor layers 14 are twisted reversely, specifically, one layer of the armor layers is twisted clockwise and the other layer of the armor layers is twisted anticlockwise in the section of the umbilical cable 100 in the radial direction, and a wrapping layer 16 is further arranged between the two adjacent armor layers 14, in this embodiment, the armor layers 14 are arranged in two layers, and the two armor layers 14 are twisted reversely, and the wrapping layer 16 is arranged between the two armor layers 14.
In this embodiment, in order to ensure the bearing function of the bearing unit 40, as shown in fig. 1, the bearing unit 40 is disposed at the central position of the functional unit 30, and here, the bearing unit 40 includes a stranded wire unit 41 located at the center and a protective sleeve 42 located at the outer periphery of the stranded wire unit 41; the wire twisting unit 41 may be provided as a metal wire; in some embodiments, protective sheath 42 is a polyethylene protective sheath 42 extruded from inner strand unit 41. The outer functional unit 30 can be effectively supported by the bearing unit 40 arranged at the central position, and the stranded wire unit 41 is used as a bearing structure in the bearing unit 40, so that the bearing unit 40 can be effectively supported, and meanwhile, the inner stranded wire unit 41 and the outer functional unit 30 of the bearing unit 40 are blocked by the protective sleeve 42 formed by extrusion molding.
In this embodiment, the functional unit 30 includes an electrical unit 31 and a first filling pipe 32, where the electrical unit 31 and the first filling pipe 32 are respectively disposed around the outer periphery of the bearing unit 40, and the electrical unit 31 and the first filling pipe 32 are respectively disposed tangentially to the bearing unit 40, and in this embodiment, the electrical unit 31 can transmit both signals and electric energy; the first filling pipe 32 is made of metal, wherein the material of the first filling pipe 32 is preferably made of steel, in this embodiment, the material of the first filling pipe 32 is duplex stainless steel, and in this embodiment, the first filling pipe 32 is hollow. In other embodiments, the umbilical 100 is required to perform the primary functions of transmitting electrical power, signals, and liquids, and the functional unit 30 may also include electrical cables, fiber optic cables, stainless filled tubes, or flexible hoses, among others. The electrical unit 31 is mainly used for the transmission of electrical energy or signals in the functional unit 30, whereas the first filling pipe 32 enables the transmission of liquid in the functional unit 30.
As shown in fig. 1, in the present embodiment, there are two electric units 31, four first filling pipes 32, two electric units 31 and four first filling pipes 32 are symmetrically disposed on the outer periphery of the bearing unit 40, and the outer diameters of the electric units 31 and the first filling pipes 32 are substantially the same, in the present embodiment, the outer diameters of the electric units 31, the first filling pipes 32 and the bearing unit 40 are equal; in the present embodiment, the electric units 31 and the first filling pipes 32 that are provided adjacently or the two first filling pipes 32 that are provided adjacently or the electric units 31 that are provided adjacently are provided tangentially, and the force-receiving units 40 are provided tangentially to the electric units 31 and the first filling pipes 32 that are provided at the outer periphery thereof, respectively. By symmetrically arranging the functional units 30, it is ensured that the umbilical cable 100 can be smoothly stranded between the functional units 30, and collapse and overall distortion of the stranded units can be effectively prevented when lateral pressure is applied at each azimuth. In other embodiments, the number of the electric units 31 and the first filling pipes 32 may be any, but the total number of the electric units 31 and the first filling pipes 32 is at least four, the electric units 31 and the first filling pipes 32 are circumferentially arranged on the outer periphery of the first filling pipes 32, the adjacent electric units 31 and the first filling pipes 32 or the adjacent two first filling pipes 32 or the adjacent electric units 31 are tangentially arranged, and the bearing units 40 are tangentially arranged with the electric units 31 and the first filling pipes 32 arranged on the outer periphery thereof.
In the deep water environment of umbilical cable 100, sea water can ooze the people and get into the cable core clearance, and the functional unit 30 that is located in it can soak in sea water, can cause the structure transmission function of functional unit 30 to receive the influence, consequently, in this embodiment, as shown in fig. 3, electric unit 31 includes the sheath 311 in the outside, sheath 311 can be the sheath 311 of polyethylene material, still be equipped with in sheath 311 and laminate area 312 with copper that sets up of mutual laminating of its inner wall, in this embodiment, copper is moulded the area 312 and is formed for wrapping up copper and mould the area 312. Through sheath 311 as the protection element of periphery, avoid the infiltration of sea water, simultaneously, design the copper plastic composite tape 312 layer that the lapping formed as the metal shielding layer, regard copper plastic composite tape 312 as final line of defense, can organize steam effectively and contact the insulating layer of inboard transmission unit to make its electrical property can keep.
As shown in fig. 1 and 2, the functional unit 30 further includes a plurality of second filling pipes 34 located at the outer circumferences of the electric unit 31 and the first filling pipe 32, the second filling pipes 34 being disposed tangentially to the electric unit 31 or the first filling pipe 32 adjacent thereto, and in this embodiment, 5 second filling pipes 34 are provided. Filling the interior void space through the second fill tube 34 ensures the filling of the interior structure.
In the present embodiment, the functional unit 30 further includes a light unit 36, and in the present embodiment, the light unit 36 is disposed on the outer periphery of the first filling pipe 32 and the electric unit 31, and the light unit 36 is disposed tangentially to the electric unit 31 and the first filling pipe 32, and in the present embodiment, the sum of the second filling pipe 34 and the light unit 36 is equal to the sum of the first filling pipe 32 and the electric unit 31. Through the arrangement of the optical units 36, excessive bending in the construction process and vortex-induced vibration generated in the in-place operation process can be effectively detected and alarmed, the protection effect on the umbilical cable 100 is realized, and through limiting the number of the second filling pipes 34 and the optical units 36, the electric units 31 and the first filling pipes 32 are ensured to be positioned at the central positions of the functional units 30, and collapse of an inner layer structure is avoided.
In this embodiment, as shown in fig. 1, the filling unit 50 includes a first filling member 52, where the first filling member 52 is embedded between the electrical unit 31 and the inner wall of the protective layer 10 or between the first filling tube 32 and the inner wall of the protective layer 10, and the first filling member 52 is configured as a shaped first filling member 52, and in this embodiment, as shown in fig. 1, the first filling member 52 is filled between the first filling tube 32, the inner wall of the outer protective layer 10 and two second filling tubes 34 that are adjacently disposed or between the first filling tube 32, the inner wall of the outer protective layer 10 and the adjacently disposed optical unit 36 and the second filling tube 32 or between the electrical unit 31, the inner wall of the outer protective layer 10 and two second filling tubes 34 that are adjacently disposed. In other embodiments, the first filler 52 may also be disposed between the first filler tube 32, the inner wall of the outer protective layer 10 and two light units 36 disposed adjacent to each other, or between the electrical unit 31, the inner wall of the outer protective layer 10 and two light units 36 disposed adjacent to each other, or between the unit 31, the inner wall of the outer protective layer 10 and two light units 36 disposed adjacent to each other, and the ground filler 34. Filling of the void inside the umbilical 100 is achieved by the first filler piece 52.
In this embodiment, the outer diameter of the second filling tube 34 is larger than that of the light unit 36, the second filling tube 34 is tangential to the inner wall of the protective layer 10, and a second filling member 54 is disposed between the light unit 36 and the protective layer 10; in some embodiments, the outer diameter of the second filling tube 34 is smaller than the outer diameter of the light unit 36, the light unit 36 is tangential to the inner wall of the protective layer 10, and a second filling member 54 is provided between the second filling tube 34 and the protective layer 10; in other embodiments, the second fill tube 34 is of a uniform outer diameter size as the light unit 36. The filling between the smaller-sized cell between the second filling pipe 34 and the light unit 36 and the inner wall of the protective layer 10 is performed by the second filling member 54, ensuring the integrity of the internal structure.
In this embodiment, as shown in fig. 1, the bearing unit 40 and the functional unit 30 in the protection layer 10 are divided into three layers, and the innermost layer is the bearing unit 40, where the bearing unit 40 is arranged at the center of the umbilical 100; the middle layer is formed by twisting four first filling pipes 32 and an electric unit 31 around a bearing unit 40; the outermost layer is a combination of the second filling pipe 34 and the light unit 36, and in this embodiment, the outermost layer is a combination of the second filling pipe 34 and the light unit 36, and is embedded in a gap of the second layer when the outermost layer is twisted. Through the bearing units 40 and the functional units 30 which are arranged layer by layer, the umbilical cable 100 is uniformly arranged from inside to outside, and the stability of the structure is ensured.
In the invention, the bearing unit 40 arranged in the center of the cross section is used for expanding and twisting the steel pipe with larger outer diameter in the functional unit 30 and the electric unit 31 around the steel pipe, so that the structure can be more compact, the axial tension born by the whole cross section can be ensured to be more uniform and reasonable, and the safety and reliability of the umbilical cable 100 in the large water depth construction and traction process can be ensured.
The foregoing embodiments are merely for illustrating the technical solution of the embodiment of the present invention, but not for limiting the same, although the embodiment of the present invention has been described in detail with reference to the foregoing preferred embodiments, it will be understood by those skilled in the art that modifications and equivalent substitutions may be made to the technical solution of the embodiment of the present invention without departing from the spirit and scope of the technical solution of the embodiment of the present invention.
Claims (8)
1. The utility model provides an umbilical cable, includes protective layer and is located the inside functional unit of protective layer, its characterized in that: the functional unit is internally provided with a bearing unit, the bearing unit and the functional unit are stranded, the functional unit comprises a first filling pipe and an electric unit which are arranged around the periphery of the bearing unit, the functional unit also comprises a second filling pipe positioned around the periphery of the first filling pipe and the electric unit, and the filling unit is filled between the functional unit and the inner wall of the outer protective layer;
the outer diameter of the electric unit is approximately the same as that of the first filling pipe, and the electric unit adjacent to the electric unit or the first filling pipe or the electric unit arranged adjacent to the electric unit is arranged tangentially to the first filling pipe;
the protective layer comprises an armor layer and at least two sheath layers, wherein the two sheath layers are respectively positioned at the inner side and the outer side of the armor layer;
the armor layer at least comprises two layers, adjacent armor layers are reversely stranded, and a wrapping layer is arranged between the adjacent two layers of armor layers;
the sheath layer is provided with a plurality of holes, and the sheath layer positioned on the inner side of the armor layer is tangential to the functional units on the inner side.
2. An umbilical as claimed in claim 1 wherein: the second filling pipe is arranged tangentially to the adjacent first filling pipe or electrical unit, respectively.
3. An umbilical as claimed in claim 2 wherein: the functional unit further comprises a light unit, the light unit is located on the periphery of the electric unit and the first filling pipe, the light unit is tangentially arranged with the adjacent first filling pipe or the electric unit respectively, and the sum of the second filling pipe and the light unit is equal to the sum of the first filling pipe and the electric unit.
4. An umbilical as claimed in claim 3 wherein: the filling unit comprises a first filling piece, and the first filling piece is filled and arranged in the following way:
the electric unit, the outer protective layer and the two second filling pipes are adjacently arranged; or (b)
The electric unit, the outer protective layer and the adjacent two light units are arranged between each other; or (b)
The electric unit, the outer protective layer and the first filling pipe and the optical unit are adjacently arranged; or (b)
The first filling pipe is arranged between the protective layer and two adjacent second filling pipes; or (b)
The first filling pipe is arranged between the protective layer and two adjacent light units; or (b)
The first filling pipe is arranged between the protective layer and the light unit and the second filling unit which are adjacently arranged.
5. An umbilical as claimed in claim 3 wherein: the outer diameter of the second filling pipe is larger than that of the light unit, the second filling pipe is tangential to the inner wall of the protective layer, and a second filling piece is arranged between the light unit and the inner wall of the protective layer.
6. An umbilical as claimed in claim 3 wherein: the outer diameter of the second filling pipe is smaller than the outer diameter of the light unit, the inner wall of the protective layer of the light unit is tangentially arranged, and a second filling piece is arranged between the second filling pipe and the inner wall of the protective layer.
7. An umbilical as claimed in claim 1 wherein: the bearing unit is located at the center of the functional unit and comprises a stranded wire unit and a protective sleeve located at the periphery of the stranded wire unit.
8. An umbilical as claimed in claim 1 wherein: the electric unit comprises a sheath which is arranged around the periphery, a copper-plastic composite belt which is mutually attached to the inner wall of the sheath is arranged in the sheath, and the copper-plastic composite belt is formed by wrapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446846.2A CN109545458B (en) | 2018-11-29 | 2018-11-29 | Umbilical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446846.2A CN109545458B (en) | 2018-11-29 | 2018-11-29 | Umbilical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109545458A CN109545458A (en) | 2019-03-29 |
| CN109545458B true CN109545458B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811446846.2A Active CN109545458B (en) | 2018-11-29 | 2018-11-29 | Umbilical cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN109545458B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120279B (en) * | 2019-05-24 | 2021-01-12 | 大连海事大学 | Permeation type high-strength zero-buoyancy waterproof photoelectric composite umbilical cable |
| CN111243787A (en) * | 2020-02-28 | 2020-06-05 | 中天科技海缆有限公司 | Bunched submarine cable and preparation method thereof |
| CN114005582B (en) * | 2021-10-28 | 2024-09-17 | 中天科技海缆股份有限公司 | Dynamic submarine cable, preparation method and device thereof |
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Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Applicant after: Zhongtian Technology submarine cable Co.,Ltd. Address before: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Applicant before: ZHONGTIAN TECHNOLOGIES SUBMARINE CABLE Co.,Ltd. |
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