CN116682604A - Dynamic-static conversion umbilical cable and forming method thereof - Google Patents
Dynamic-static conversion umbilical cable and forming method thereof Download PDFInfo
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- CN116682604A CN116682604A CN202310809872.1A CN202310809872A CN116682604A CN 116682604 A CN116682604 A CN 116682604A CN 202310809872 A CN202310809872 A CN 202310809872A CN 116682604 A CN116682604 A CN 116682604A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 138
- 239000010959 steel Substances 0.000 claims abstract description 138
- 230000003068 static effect Effects 0.000 claims abstract description 68
- 238000007493 shaping process Methods 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 28
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000007667 floating Methods 0.000 claims description 6
- 238000009954 braiding Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000002699 waste material Substances 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
- H01B7/17—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/227—Pretreatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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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
- H01B7/0045—Cable-harnesses
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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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
- H01B7/17—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
- H01B7/1895—Internal space filling-up means
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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
- H01B7/17—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
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/207—Metal tubes, e.g. lead sheaths composed of iron or steel
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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
- H01B7/17—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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/226—Helicoidally wound metal wires or tapes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a dynamic-static conversion umbilical cable, which comprises a dynamic section and a static section, wherein one end of the dynamic section is connected with the static section, a conversion section is arranged between the dynamic section and the static section, the umbilical cable comprises a plurality of steel pipes, a lantern ring is fixedly connected to the steel pipes, and a steel strand is arranged on one side of the lantern ring, which is close to the dynamic section; the invention also discloses a forming method of the dynamic-static conversion umbilical cable, which is used for forming the dynamic-static conversion umbilical cable and comprises the following basic steps: preparing various core wires of the umbilical cable, and selecting a transition region forming conversion section of a static section and a dynamic section; welding the lantern ring, twisting the steel strands along the steel pipe, shaping the dynamic section, shaping the conversion section and shaping the static section, forming the armor layer and forming the outer sheath. The invention provides a dynamic-static conversion umbilical cable and a forming method thereof, which can ensure the integrity of the umbilical cable and can form a dynamic section and a static section in a sectional mode.
Description
Technical Field
The invention belongs to the field of umbilical cables, and particularly relates to a dynamic-static conversion umbilical cable and a forming method thereof.
Background
The umbilical cable calculates the strength and fatigue strength of each area of the umbilical cable according to the influence of dynamic load and periodic fatigue load in the working process, and the umbilical cable can be divided into a dynamic section and a static section, wherein the strength requirement of the dynamic section is higher, and the strength requirement of the static section is lower. However, in the engineering application of umbilical cables, in order to ensure the use safety of the umbilical cables, the whole umbilical cable is generally designed according to the strength requirement of the dynamic section, so that the strength of the static section is higher, and the production cost is wasted.
In the CN210720828U, CN211351680U, in order to solve the problem of waste of production cost, the dynamic segment and the static segment are separately designed, and then the dynamic segment and the static segment are connected through the connection box, so as to reduce the production cost of the static segment, but the scheme can cause the umbilical cable in the connection box area to have poor integrity, low connection strength and obviously increased interference factors from the outside, meanwhile, the steel strand in the dynamic segment for increasing the strength of the dynamic segment is lost because of end connection, so that the force transmission effect of the steel strand is reduced, the steel strand stops in the dynamic segment area, and does not diffuse to the static segment, so that the static segment shares part of dynamic load, thereby the demand strength of the dynamic segment needs to be improved.
Disclosure of Invention
Aiming at the defects, the invention provides a dynamic-static conversion umbilical cable and a forming method thereof, wherein the integrity of the umbilical cable is ensured, and meanwhile, a dynamic section and a static section can be formed in a sectional mode.
The invention solves the problems by adopting the following technical scheme: the utility model provides a sound attitude conversion umbilical cable, includes dynamic section and static section, the one end and the static section of dynamic section link to each other, the other end and the floating platform of dynamic section link to each other, be equipped with the conversion section between dynamic section and the static section, the umbilical cable includes many heart yearns of locating in the inner sheath, the heart yearn includes the steel pipe, a fixed connection lantern ring on the steel pipe, the lantern ring is close to one side of dynamic section and is equipped with the steel strand wires, the lantern ring is close to one side of static section and is equipped with filling material.
Compared with the prior art, the invention has the advantages that: the method is characterized in that the high strength of the steel pipe is utilized to penetrate through the whole umbilical cable, the area with the steel strand structure added on the steel pipe is used as a dynamic section, the structure without the steel strand added on the steel pipe is used as a static section, when the core wire of the umbilical cable is integrated and bunched, the steel pipe is converted from the structure without the stranded steel strand to the structure with the stranded steel strand when the core wire of the umbilical cable is changed from the static section to the dynamic section, or the steel pipe is converted from the structure with the stranded steel strand to the structure without the stranded steel strand when the dynamic section is changed from the dynamic section to the static section, so that the integrity of the umbilical cable is realized, the low cost of the static section and the high strength of the dynamic section are ensured, meanwhile, the structure of the sleeve ring is added on the conversion section, the steel strand is connected by the sleeve ring, when the dynamic cable moves or bends, the deformation acting force of the dynamic cable is transmitted to the sleeve ring, the deformation acting force is gradually reduced from the deformation area to the sleeve ring according to the distance between the deformation area and the sleeve ring, and finally the deformation acting force is transmitted to the static cable, so that the continuity of load transmission is realized. Meanwhile, if the design of the lantern ring is not adopted, the end parts of the steel strands are in a connection missing state, under the condition of bending, the steel strands are easy to relatively displace with the steel pipes, the steel strands not only reduce the self resistance, but also generate friction with the steel pipes, and the mutual friction between the steel strands is unfavorable for long-time use.
As an improvement, lantern ring welded fastening connects on the steel pipe, through the improvement, fixed connection between lantern ring and the steel pipe does not need additionally to increase connection structure, can guarantee the stability of linking between lantern ring and the steel pipe simultaneously to guarantee the lantern ring and with the stability of force transmission to static section.
As the improvement, be equipped with a plurality of connecting holes in the circumference of lantern ring, every the equal welded fastening of connecting hole tip of a steel strand wires, many the steel strand wires spiral along the axial of steel pipe, through the improvement, guarantee the homogeneity of the effort that many steel strand wires transmitted to on the lantern ring, even lantern ring atress is uneven, influences the stability of effort transmission.
As improvement, a plurality of steel pipes are arranged on the umbilical cable, the plurality of steel pipes are distributed on the circumferential direction of the umbilical cable, and the uniformity of the strength of the umbilical cable increased by the plurality of steel pipes is ensured through the improvement.
As an improvement, the lantern rings on different steel pipes are arranged in a staggered manner along the axial direction of the umbilical cable, through the improvement, if the lantern rings are fixedly connected along the same section, the sectional area of the section can be greatly increased, the umbilical cable is easy to damage in the section, and the problems that an inner sheath, an armor layer and an outer sheath structure outside a core wire are difficult to form are also easy to cause.
A method for forming a dynamic-static conversion umbilical cable is used for forming a dynamic-static conversion umbilical cable, and comprises the following basic steps:
s1: preparing a plurality of core wires of an umbilical cable, wherein the core wires comprise a plurality of steel pipes which are uniformly distributed along the outer circumferential direction of the core wires;
s2: according to the use environment of the umbilical cable, the lengths of the dynamic section and the static section are calculated respectively, and a transition region forming conversion section of the static section and the dynamic section is selected;
s3: selecting a steel pipe in a conversion section area, and welding a lantern ring according to different distances between the steel pipe and a static section;
s4: welding a plurality of steel strands along the circumferential direction of the lantern ring, and twisting the steel strands along the steel pipe by utilizing a stranding machine until the steel strands are twisted to the joint of the dynamic section and the floating platform;
s5: the core wires of the dynamic section are compressed and assembled through the inner sheath extrusion equipment, filling materials are filled between gaps of the core wires, an inner sheath arranged on the outer side of the core wires is extruded, and the shaping of the dynamic section area is carried out on the core wires;
s6: according to the expanded diameter of the collar, the shaping outer diameter of the inner sheath extrusion equipment is adjusted, filling materials are filled between gaps of the core wires, the inner sheath of the transition section area is extruded, and shaping of the transition section area is carried out on the core wires;
s7: the core wires of the static section are compressed and assembled through the inner sheath extrusion equipment, filling materials are filled between gaps of the core wires, an inner sheath arranged on the outer side of the core wires is extruded, and the core wires are shaped in the static section area;
s8: the umbilical cable sequentially passes through the armor layer wire braiding equipment according to the sequence of the static section, the conversion section and the static section to finish the molding of the armor layer of the umbilical cable;
s9: the umbilical cable sequentially passes through the outer sheath extrusion equipment according to the sequence of the static section, the conversion section and the dynamic section to finish the forming of the outer sheath of the umbilical cable;
s10: and (5) completing the shaping of the umbilical cable.
Compared with the prior art, the invention has the advantages that: the method is characterized in that the high strength of the steel pipe is utilized to penetrate through the whole umbilical cable, the area with the steel strand structure added on the steel pipe is used as a dynamic section, the structure without the steel strand added on the steel pipe is used as a static section, when the core wire of the umbilical cable is integrated and bunched, the steel pipe is converted from the structure without the stranded steel strand to the structure with the stranded steel strand when the core wire of the umbilical cable is changed from the static section to the dynamic section, or the steel pipe is converted from the structure with the stranded steel strand to the structure without the stranded steel strand when the dynamic section is changed from the dynamic section to the static section, so that the integrity of the umbilical cable is realized, the low cost of the static section and the high strength of the dynamic section are ensured, meanwhile, the structure of the sleeve ring is added on the conversion section, the steel strand is connected by the sleeve ring, when the dynamic cable moves or bends, the deformation acting force of the dynamic cable is transmitted to the sleeve ring, the deformation acting force is gradually reduced from the deformation area to the sleeve ring according to the distance between the deformation area and the sleeve ring, and finally the deformation acting force is transmitted to the static cable, so that the continuity of load transmission is realized. Meanwhile, if the design of the lantern ring is not adopted, the end parts of the steel strands are in a connection missing state, under the condition of bending, the steel strands are easy to relatively displace with the steel pipes, the steel strands not only reduce the self resistance, but also generate friction with the steel pipes, and the mutual friction between the steel strands is unfavorable for long-time use. Through the design of step S3, the outer diameter of the conversion section can be increased to be on average different sections due to the structural design of the lantern ring, so that the outer diameter increase amplitude of the conversion section is reduced, and the umbilical cable is more beneficial to the use of the umbilical cable and the forming of the inner sheath, the armor layer and the outer sheath on the outer side of the core wire.
As an improvement, the twisting action of the steel strand on the steel pipe is carried out simultaneously with the step S5 until the steel strand (4.1.1) is twisted to the collar, and through the improvement, the forming of the core wire can be rapidly completed, the storage work of the steel strand after being twisted to the steel pipe is reduced, and the storage work of semi-finished product materials is reduced.
As an improvement, in step S4, before the steel strand is stranded, after the welding between the steel strand and the collar is completed, a buffer material is filled at one end of the collar close to the dynamic section, and the buffer material is arranged between the steel strand and the steel pipe.
As an improvement, one end of the buffer material, which is close to the dynamic section, is conical, and the purpose that the steel strand is slowly reduced in the stranding process is realized through the improvement, so that the structural stability of the steel strand is ensured, and the stability of the force transmission of the steel strand is ensured.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the core wire structure of the present invention.
Fig. 3 is a schematic view of the collar connection structure of the present invention.
FIG. 4 is a schematic cross-sectional view of a dynamic segment of the present invention.
The figure shows: 1. dynamic section 2, static section 3, conversion section 4, heart yearn, 4.1, steel pipe, 4.1.1, steel strand wires, 4.1.2, the lantern ring, 4.1.3, connecting hole, 5, inner sheath, 6, armor, 7, outer sheath, 8, buffer material.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-2, a dynamic-static conversion umbilical cable comprises a dynamic section 1 and a static section 2, one end of the dynamic section 1 is connected with the static section 2, the other end of the dynamic section 1 is connected with a floating platform, a conversion section 3 is arranged between the dynamic section 1 and the static section 2, the umbilical cable comprises a plurality of core wires 4 arranged in an inner sheath 5, the core wires 4 comprise steel pipes 4.1, a lantern ring 4.1.2 is fixedly connected on the steel pipes 4.1, steel strands 4.1.1 are arranged on one side, close to the dynamic section 1, of the lantern ring 4.1.2, and a filling material is arranged on one side, close to the static section 2, of the lantern ring 4.1.2.
As shown in fig. 3, the collar 4.1.2 is fixedly connected to the steel pipe 4.1 by welding, a plurality of connecting holes 4.1.3 are formed in the circumferential direction of the collar 4.1.2, the end portion of one steel strand 4.1.1 is fixedly welded to each connecting hole 4.1.3, and the plurality of steel strands 4.1.1 spiral along the axial direction of the steel pipe 4.1.
As shown in fig. 2 and 4, the umbilical cable is provided with a plurality of steel pipes 4.1, the plurality of steel pipes 4.1 are distributed in the circumferential direction of the umbilical cable, and the collars 4.1.2 on different steel pipes 4.1 are arranged in a staggered manner along the axial direction of the umbilical cable.
As shown in fig. 4, the cross-sectional structure of the static segment 2 is similar to that of the dynamic segment 1, and only the steel strands 4.1.1 are different in structure, and in the static segment 2, no steel strand 4.1.1 is present and is a filling material.
A method for forming a dynamic-static conversion umbilical cable is used for forming a dynamic-static conversion umbilical cable, and comprises the following basic steps:
s1: preparing a plurality of core wires 4 of an umbilical cable, wherein the core wires 4 comprise a plurality of steel pipes 4.1, and the plurality of steel pipes 4.1 are uniformly distributed along the outer circumferential direction of the core wires 4;
s2: according to the use environment of the umbilical cable, the lengths of the dynamic section 1 and the static section 2 are calculated respectively, and the transition region forming conversion section 3 of the static section 2 and the dynamic section 1 is selected;
s3: selecting a steel pipe 4.1 in the area of the conversion section 3, and welding a lantern ring 4.1.2 according to different distances between the steel pipe and the static section 2;
s4: a plurality of steel strands 4.1.1 are welded along the circumferential direction of the sleeve ring 4.1.2, and the steel strands 4.1.1 are stranded along the steel pipe 4.1 by utilizing a stranding machine until the steel strands 4.1.1 are stranded to the joint of the dynamic section 1 and the floating platform;
s5: the core wires 4 of the dynamic section 1 are compressed and assembled through an inner sheath 5 extrusion device, filling materials are filled between gaps of the core wires 4, the inner sheath 5 arranged on the outer side of the core wires 4 is extruded, and the shaping of the region of the dynamic section 1 is carried out on the core wires 4;
s6: according to the expanded diameter size of the sleeve ring 4.1.2, adjusting the shaping outer diameter of the extrusion equipment of the inner sheath 5, filling a filling material between gaps of the core wires 4, extruding the inner sheath 5 in the region of the conversion section 3, and shaping the region of the conversion section 3 of the core wires 4;
s7: the core wires 4 of the static section 2 are compressed and assembled through an inner sheath 5 extrusion device, filling materials are filled between gaps of the core wires 4, the inner sheath 5 arranged on the outer side of the core wires 4 is extruded, and the shaping of the static section 2 area is carried out on the core wires 4;
s8: the umbilical cable sequentially passes through the wire braiding equipment of the armor layer 6 according to the sequence of the static section 2, the conversion section 3 and the static section 1 to finish the forming of the armor layer 6 of the umbilical cable;
s9: the umbilical cable sequentially passes through the outer sheath 7 extrusion equipment according to the sequence of the static section 2, the conversion section 3 and the dynamic section 1, and the forming of the outer sheath 7 of the umbilical cable is completed;
s10: and (5) completing the shaping of the umbilical cable.
In step S4, the twisting of the steel strand 4.1.1 on the steel pipe 4.1 is performed simultaneously with step S5 until the steel strand 4.1.1 is twisted to the collar 4.1.2.
In step S4, before the steel strand 4.1.1 is stranded, after the welding between the steel strand 4.1.1 and the collar 4.1.2 is completed, one end of the collar 4.1.2, which is close to the dynamic section 1, is filled with a buffer material 8, the buffer material 8 is arranged between the steel strand 4.1.1 and the steel pipe 4.1, and one end of the buffer material 8, which is close to the dynamic section 1, is tapered.
The filling material and the buffer material 8 are both resin materials or other plastic materials.
The steps S5-S7 can be formed according to the requirements of the use environment, or the umbilical cables can be reversely stored through another storage disc after the steps S7, S6 and S5 are completed.
Through the design of the invention, the good transition between the dynamic section 1 and the static section 2 in the umbilical cable is realized, the strength of the dynamic section 1 is ensured, the production cost of the static section 2 is saved, meanwhile, the combination of the sleeve ring 4.1.2 and the steel strand 4.1.1 is utilized, the dynamic stress connectivity of the dynamic section 1 can be transferred to the static section 2, the stress stability of the dynamic section 1 is enhanced, the resistance strength of the dynamic section 1 is enhanced, and the steel strand 4.1.1 is welded on the sleeve ring 4.1.2, so that the end connection of the steel strand 4.1.1 is stable, the relative movement between the steel strand 4.1.1 and the steel pipe 4.1 caused by the bending of the dynamic section 1 is avoided, the friction between the steel strand 4.1.1 and the steel pipe 4.1.1 is avoided, and the service life of the umbilical cable is better ensured.
The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (9)
1. A dynamic-static conversion umbilical cable is characterized in that: including dynamic section (1) and static section (2), the one end and the static section (2) of dynamic section (1) link to each other, the other end and the floating platform of dynamic section (1) link to each other, be equipped with changeover portion (3) between dynamic section (1) and the static section (2), the umbilical cable includes many heart yearns (4) of locating in inner sheath (5), heart yearn (4) include steel pipe (4.1), a lantern ring (4.1.2) of fixed connection on steel pipe (4.1), one side that lantern ring (4.1.2) is close to dynamic section (1) is equipped with steel strand wires (4.1.1), one side that lantern ring (4.1.2) is close to static section (2) is equipped with filling material.
2. A dynamic-static conversion umbilical as claimed in claim 1 wherein: the lantern ring (4.1.2) is fixedly connected to the steel pipe (4.1) by welding.
3. A dynamic-static conversion umbilical as claimed in claim 2 wherein: a plurality of connecting holes (4.1.3) are formed in the circumferential direction of the collar (4.1.2), the end part of one steel strand (4.1.1) is welded and fixed to each connecting hole (4.1.3), and a plurality of steel strands (4.1.1) spiral along the axial direction of the steel pipe (4.1).
4. A dynamic-static conversion umbilical as claimed in claim 1 wherein: the umbilical cable is provided with a plurality of steel pipes (4.1), and the plurality of steel pipes (4.1) are distributed on the circumferential direction of the umbilical cable.
5. The dynamic-static conversion umbilical of claim 4, wherein: the collars (4.1.2) on different steel pipes (4.1) are arranged in a staggered way along the axial direction of the umbilical cable.
6. A method for forming a dynamic-static conversion umbilical cable, which is characterized by comprising the following steps of:
s1: preparing a plurality of core wires (4) of an umbilical cable, wherein the core wires (4) comprise a plurality of steel pipes (4.1), and the plurality of steel pipes (4.1) are uniformly distributed along the outer circumferential direction of the core wires (4);
s2: according to the use environment of the umbilical cable, the lengths of the dynamic section (1) and the static section (2) are calculated respectively, and a transition region forming conversion section (3) of the static section (2) and the dynamic section (1) is selected;
s3: selecting a steel pipe (4.1) in the area of the conversion section (3), and welding the lantern rings (4.1.2) according to different distances between the steel pipe and the static section (2);
s4: a plurality of steel strands (4.1.1) are welded along the circumferential direction of the sleeve ring (4.1.2), and the steel strands (4.1.1) are stranded along the steel pipe (4.1) by utilizing a stranding machine until the steel strands (4.1.1) are stranded to the connection part of the dynamic section (1) and the floating platform;
s5: the core wires (4) of the dynamic section (1) are compressed and assembled through an inner sheath (5) extrusion device, filling materials are filled between gaps of the core wires (4), the inner sheath (5) arranged on the outer side of the core wires (4) is extruded, and shaping of the region of the dynamic section (1) is carried out on the core wires (4);
s6: according to the expanded diameter size of the sleeve ring (4.1.2), adjusting the shaping outer diameter of the extrusion equipment of the inner sheath (5), filling a filling material between gaps of the core wires (4), extruding the inner sheath (5) in the region of the conversion section (3), and shaping the region of the conversion section (3) of the core wires (4);
s7: the core wires (4) of the static section (2) are compressed and assembled through an inner sheath (5) extrusion device, filling materials are filled between gaps of the core wires (4), the inner sheath (5) arranged on the outer side of the core wires (4) is extruded, and shaping of the static section (2) area is carried out on the core wires (4);
s8: the umbilical cable sequentially passes through the wire braiding equipment of the armor layer (6) according to the sequence of the static section (2), the conversion section (3) and the static section (1), so that the formation of the armor layer (6) of the umbilical cable is completed;
s9: the umbilical cable sequentially passes through the outer sheath (7) extrusion equipment according to the sequence of the static section (2), the conversion section (3) and the dynamic section (1), and the forming of the outer sheath (7) of the umbilical cable is completed;
s10: and (5) completing the shaping of the umbilical cable.
7. The method of forming a dynamic-static conversion umbilical of claim 6, wherein: in step S4, the twisting of the steel strand (4.1.1) on the steel pipe (4.1) is performed simultaneously with step S5 until the steel strand (4.1.1) is twisted to the collar (4.1.2).
8. The method of forming a dynamic-static conversion umbilical of claim 6, wherein: in the step S4, before the steel strand (4.1.1) is stranded, after the welding between the steel strand (4.1.1) and the sleeve ring (4.1.2) is completed, one end, close to the dynamic section (1), of the sleeve ring (4.1.2) is filled with a buffer material (8), and the buffer material (8) is arranged between the steel strand (4.1.1) and the steel pipe (4.1).
9. The method of claim 8, wherein: the end of the buffer material (8) close to the dynamic section (1) is conical.
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| WO2015104580A2 (en) * | 2013-12-23 | 2015-07-16 | Technip France | Umbilical |
| CN104851505A (en) * | 2015-04-13 | 2015-08-19 | 浙江大铭新材料股份有限公司 | Apparatus for transmitting electric power to oil production well by using carbon-fiber composite-core aluminum conductor |
| CN204614475U (en) * | 2015-06-08 | 2015-09-02 | 上海宝宇电线电缆制造有限公司 | A kind of enhancement mode umbilical cable |
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| CN111899927A (en) * | 2020-07-16 | 2020-11-06 | 中天科技海缆有限公司 | Dynamic and static submarine cable with continuous cable core and production method thereof |
| WO2022136922A1 (en) * | 2020-12-21 | 2022-06-30 | Technip N-Power | Umbilical |
| CN115881353A (en) * | 2021-09-28 | 2023-03-31 | 贵州西华线缆有限公司 | Weather-resistant wire and cable material and production process thereof |
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| WO2015104580A2 (en) * | 2013-12-23 | 2015-07-16 | Technip France | Umbilical |
| CN104851505A (en) * | 2015-04-13 | 2015-08-19 | 浙江大铭新材料股份有限公司 | Apparatus for transmitting electric power to oil production well by using carbon-fiber composite-core aluminum conductor |
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