CN115394482A - Umbilical cable assembly - Google Patents
Umbilical cable assembly Download PDFInfo
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- CN115394482A CN115394482A CN202211084660.3A CN202211084660A CN115394482A CN 115394482 A CN115394482 A CN 115394482A CN 202211084660 A CN202211084660 A CN 202211084660A CN 115394482 A CN115394482 A CN 115394482A
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- wave
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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
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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
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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
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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
- H01B7/1875—Multi-layer sheaths
- H01B7/188—Inter-layer adherence promoting means
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Abstract
The invention provides an umbilical cable assembly. The umbilical cable assembly includes: the umbilical cable comprises a cable core and a reinforcing layer; the anchoring inner cylinder comprises a first mounting cavity and a wave-shaped bearing part, the cable core is mounted in the first mounting cavity, and the reinforcing layer is mounted on the wave-shaped bearing part; and the anchoring outer cylinder is sleeved outside the anchoring inner cylinder, at least part of the wave-shaped force bearing part is positioned in the inner cavity of the anchoring outer cylinder, a gap is formed between the anchoring outer cylinder and the anchoring inner cylinder, and glue is filled in the gap. The umbilical cable assembly provided by the invention can solve the problems that when the FRP armored umbilical cable is fixed by adopting the conventional fixing mode, the FRP armored umbilical cable is easy to pull out from glue when being subjected to tension, and the fixing effect is poor.
Description
Technical Field
The invention relates to the technical field of ocean engineering, in particular to an umbilical cable assembly.
Background
Ocean exploration and scientific investigation is generally composed of underwater equipment, a surface-supported mother vessel, and an umbilical cable connecting the mother vessel and the underwater equipment. The anchoring is a key force bearing part for connecting the umbilical cable and the underwater equipment, and the underwater equipment can be prevented from being lost.
The FRP armored umbilical cable belongs to a nonmetal armored umbilical cable, FRP (fiber reinforced plastics) is used as a reinforcing layer, loose fiber yarns are bonded and fixed into a round FRP through glue, and dozens of FRP are wound outside a cable core to play a role in bearing force. FRP armor umbilical cable anchor is the same with other types of anchor principle, the fixed mode of accessible glue bonding or mechanical centre gripping, but if the fixed mode that adopts mechanical centre gripping, arouse FRP's stress concentration easily, lead to FRP fraying or rupture, if the fixed mode that adopts glue bonding, because FRP is a shaft-like structure, the surface area with the glue contact is less, takes out from glue easily when receiving the pulling force, and fixed effect is relatively poor.
Disclosure of Invention
The invention mainly aims to provide an umbilical cable assembly, which can solve the problems that when an FRP armored umbilical cable is fixed by adopting the existing fixing mode, the FRP armored umbilical cable is easy to be drawn out from glue when being subjected to tension, and the fixing effect is poor.
To achieve the above object, according to an aspect of the present invention, there is provided an umbilical cable assembly including:
the umbilical cable comprises a cable core and a reinforcing layer;
the anchoring inner cylinder comprises a first mounting cavity and a wave-shaped bearing part, the cable core is mounted in the first mounting cavity, and the reinforcing layer is mounted on the wave-shaped bearing part; and
the anchoring outer cylinder is sleeved outside the anchoring inner cylinder, at least part of the wave-shaped bearing part is positioned in the inner cavity of the anchoring outer cylinder, a gap exists between the anchoring outer cylinder and the anchoring inner cylinder, and glue is filled in the gap;
the reinforcing layer is arranged on the wavy bearing part in the inner cavity of the anchoring outer cylinder.
Furthermore, the outer wall of the wave-shaped bearing part is of a continuous non-isodiametric wave-shaped structure, and the outer wall of the wave-shaped bearing part is in a wave shape in a section passing through the central axis of the anchoring inner cylinder.
Further, the bending radius of the outer wall of the wave-shaped bearing part is gradually increased along the direction close to the umbilical cable.
Further, the wavy line comprises at least two wavy segments, and each wavy segment is a sine function curve with a complete cycle.
Further, the cable core is worn out from one end of the anchoring inner cylinder, the axial length and the bending radius of two adjacent wave sections are different, and the closer to the penetrating end of the cable core, the larger the axial length and the bending radius are.
Furthermore, the umbilical cable assembly also comprises a plurality of pressing rings which are arranged on the wavy bearing part at intervals so as to fix the reinforcing layer on the wavy bearing part.
Further, the outer wall includes a plurality of troughs, and every trough department all is provided with a clamping ring.
Further, the outer wall still includes a plurality of crests, and the anchor urceolus is including the first pipeline section and the second pipeline section that connect gradually, and first pipeline section and second pipeline section are linked together, and the interval is provided with a plurality of recesses on the inner wall of first pipeline section, and the distance between the internal face of every recess and the crest rather than corresponding is preset distance.
Furthermore, the wavy bearing part also comprises a conical surface, the diameter of the second pipe section is gradually reduced along the direction far away from the first pipe section, and one end of the second pipe section far away from the first pipe section is clamped on the conical surface.
Further, the umbilical cable assembly further comprises a connecting piece, a second installation cavity is formed in one end of the connecting piece, one end, far away from the second pipe section, of the first pipe section is installed in the second installation cavity, and the other end of the connecting piece can be connected with underwater equipment.
Further, the connecting piece still includes a plurality of first mounting holes, and a plurality of first mounting holes are seted up on the lateral wall of second installation cavity and all link up with the second installation cavity, and first pipeline section includes a plurality of second mounting holes of arranging along circumference, and a plurality of second mounting holes set up with a plurality of first mounting holes one-to-one.
Furthermore, an anti-skidding structure is arranged on the outer wall, so that the friction force between the reinforcing layer and the outer wall is increased.
By applying the technical scheme of the invention, the anchoring inner cylinder and the anchoring outer cylinder are arranged, so that a cable core of the umbilical cable is arranged in the first installation cavity of the anchoring inner cylinder to protect the cable core, the reinforcing layer of the umbilical cable is coated on the periphery of the wave-shaped force bearing part, the anchoring outer cylinder is sleeved outside the anchoring inner cylinder, the anchoring outer cylinder can be covered on the periphery of the reinforcing layer, the reinforcing layer can be prevented from being deformed or damaged by external force, glue is filled in a gap between the anchoring outer cylinder and the anchoring inner cylinder, the reinforcing layer can be fixed on the wave-shaped force bearing part, further, the friction force between the reinforcing layer and the wave-shaped force bearing part is increased by utilizing the wave-shaped structure of the wave-shaped force bearing part, and the contact area between the reinforcing layer and the glue is increased.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows an overall structural schematic of an umbilical assembly of an embodiment of the invention;
FIG. 2 shows a schematic overall structural view of an anchor inner barrel of an umbilical assembly of an embodiment of the present invention;
FIG. 3 shows a schematic view of the overall construction of the anchoring outer barrel of the umbilical assembly of an embodiment of the present invention;
FIG. 4 shows a cross-sectional view of the anchor outer barrel of the umbilical assembly of an embodiment of the present invention; and
fig. 5 shows an overall structural view of a connector of an umbilical cable assembly of an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. an umbilical cable; 11. a cable core; 12. a reinforcing layer; 121. a reinforcement column; 20. anchoring the inner cylinder; 21. a first mounting cavity; 22. a wave-shaped bearing part; 221. an outer wall; 222. a trough of a wave; 223. wave crest; 224. a conical surface; 30. anchoring the outer cylinder; 31. a first tube section; 311. a groove; 312. a second mounting hole; 32. a second tube section; 40. pressing a ring; 50. a connecting member; 51. a second mounting cavity; 52. a first mounting hole.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring collectively to fig. 1-5, the present invention provides an umbilical assembly comprising: the umbilical cable 10 comprises a cable core 11 and a reinforcing layer 12; the cable comprises an anchoring inner cylinder 20, wherein the anchoring inner cylinder 20 comprises a first mounting cavity 21 and a wave-shaped force-bearing part 22, a cable core 11 is mounted in the first mounting cavity 21, and a reinforcing layer 12 is mounted on the wave-shaped force-bearing part 22; the anchoring outer cylinder 30 is sleeved outside the anchoring inner cylinder 20, at least part of the wave-shaped force bearing part 22 is positioned in the inner cavity of the anchoring outer cylinder 30, a gap exists between the anchoring outer cylinder 30 and the anchoring inner cylinder 20, the gap is filled with glue, and the reinforcing layer 12 is arranged on the wave-shaped force bearing part 22 positioned in the inner cavity of the anchoring outer cylinder 30.
In this embodiment, the cable core 11 of the umbilical cable 10 is installed in the first installation cavity 21 of the anchoring inner cylinder 20, so that the cable core 11 can be protected, the reinforcing layer 12 covers the periphery of the wave-shaped force bearing part 22, and the anchoring outer cylinder 30 is sleeved outside the anchoring inner cylinder 20, so that the anchoring outer cylinder 30 can cover the periphery of the reinforcing layer 12, and the reinforcing layer 12 is prevented from being deformed or damaged by an external force. Glue is filled in a gap between the anchoring outer cylinder 30 and the anchoring inner cylinder 20, the reinforcing layer 12 is fixed on the wave-shaped force bearing part 22, the friction force between the reinforcing layer 12 and the wave-shaped force bearing part 22 can be increased by utilizing the wave-shaped structure of the wave-shaped force bearing part 22, and the contact area between the reinforcing layer 12 and the glue can also be increased, so that the umbilical cable 10 is not easy to be pulled out from the anchoring inner cylinder 20 when being pulled, meanwhile, the wave-shaped structure can bear force, when the umbilical cable 10 is pulled greatly, the umbilical cable 10 is not easy to break, and therefore the service life of the umbilical cable 10 is prolonged, and the structural stability of an umbilical cable assembly is improved.
In one embodiment of the present invention, as shown in fig. 1, the outer wall 221 of the wave-shaped force-bearing part 22 is a continuous wave-shaped structure with non-uniform diameter, and the outer wall 221 of the wave-shaped force-bearing part 22 appears as a wave shape in a section passing through the central axis of the anchoring inner cylinder 20.
The outer wall 221 of the wave-shaped messenger 22 has a radius of curvature that gradually increases in a direction approaching the umbilical 10.
In one embodiment of the present invention, the wavy line includes at least two wavy segments, each wavy segment being a sinusoidal function curve of one complete cycle.
Through the arrangement, two adjacent wave sections can be smoothly connected without damaging the wave section structure, the force bearing effect is achieved, and the reinforcing layer 12 is prevented from being easily separated from the anchoring inner cylinder 20 when being pulled.
In one embodiment of the present invention, the cable core 11 extends out from one end of the anchoring inner cylinder 20, the axial length and the bending radius of two adjacent wave segments are different, and the closer to the extending end of the cable core 11, the greater the axial length and the bending radius are. .
In this embodiment, the cable core 11 penetrates out from one end of the anchoring inner cylinder 20, the penetrating cable core 11 may be subjected to a pulling force, the closer the two adjacent wave segments are to the penetrating end of the cable core 11, the larger the axial length and the bending radius are, the gentler the wave segments are, and when the reinforcing layer 12 is subjected to the pulling force, the smallest force is borne by the wave segment closest to the penetrating end of the cable core 11, so that the subsequent wave segments can uniformly distribute most of the force, and further the pulling force distribution is more reasonable, thereby preventing the reinforcing layer 12 from being subjected to the excessive pulling force at the wave segment closest to the penetrating end of the cable core 11 and breaking or separating from the wave bearing portion 22.
In one embodiment of the invention, the material of the reinforcement layer 12 is selected from FRP (fiber reinforced composite), and the reinforcement columns 121 are formed by a plurality of loose fiber filaments bonded together by glue.
In one embodiment of the invention, as shown in fig. 1, the umbilical assembly further comprises a plurality of press rings 40, and the plurality of press rings 40 are arranged on the waved bearing part 22 at intervals to fix the reinforcing layer 12 on the waved bearing part 22.
In this embodiment, the press rings 40 are disposed on the wave-shaped bearing portion 22 at intervals, so that the reinforcing layer 12 can be fixed on the wave-shaped bearing portion 22, and the reinforcing layer 12 is prevented from axial movement when being subjected to a tensile force, thereby ensuring the structural stability of the reinforcing layer 12.
In one embodiment of the present invention, the pressing ring 40 is an open metal snap ring structure, which is conveniently inserted to the buckling position, and then the pressing ring 40 is tightened by means of hydraulic buckling, and the opening distance of the pressing ring 40 is ensured to be closed right after tightening, so as to tightly fix the discrete reinforcing columns 121 on the waved force-bearing portion 22.
Referring to fig. 1 to 4 in combination, in an embodiment of the present invention, the outer wall 221 further includes a plurality of wave crests 223, the anchoring outer cylinder 30 includes a first pipe section 31 and a second pipe section 32 which are connected in sequence, the first pipe section 31 is communicated with the second pipe section 32, a plurality of grooves 311 are arranged on an inner wall of the first pipe section 31 at intervals, and a distance between an inner wall surface of each groove 311 and the corresponding wave crest 223 is a preset distance.
In this embodiment, the first pipe section 31 is provided with the plurality of grooves 311, and thus, glue can be solidified in the grooves 311 to form a clamping groove, and further prevent the glue axial displacement that solidifies, and in addition, the distance between the inner wall surface of each groove 311 and the corresponding crest 223 thereof is a preset distance, and the preset distance is about 10 centimeters, so that the setting can ensure that the glue solidified in the grooves 311 is difficult to pass through the crest 223, thereby ensuring the fixing effect of the reinforcing layer 12.
In one embodiment of the present invention, the recess 311 may be an annular groove.
Referring to fig. 1 and 2 in combination, in one embodiment of the present invention, the outer wall 221 includes a plurality of wave troughs 222, and each wave trough 222 is provided with a pressing ring 40.
In this embodiment, a pressing ring 40 is disposed at each valley 222 of the outer wall 221, that is, the pressing ring 40 is located between two adjacent peaks 223 and located at a position where the diameter of the structure between the two peaks 223 is the smallest, the structures on both sides of the valley 222 can axially limit the pressing ring 40, so as to prevent the pressing ring 40 from coming off from the wave-shaped bearing portion 22 when the reinforcing layer 12 is subjected to a large tensile force, thereby implementing a combined fixing manner of mechanical fastening and glue bonding, and increasing the tensile resistance and the safety margin of the reinforcing layer 12.
As shown in fig. 1, in one embodiment of the present invention, one end of the inner anchoring cylinder 20 enters the inner cavity of the outer anchoring cylinder 30 from the first end of the outer anchoring cylinder 30, and then extends out from the second end of the outer anchoring cylinder 30, and is clamped at the second end of the outer anchoring cylinder 30.
Through the arrangement, the anchoring inner cylinder 20 can be limited in the anchoring outer cylinder 30, so that the relative position of the anchoring inner cylinder and the anchoring outer cylinder is ensured not to be changed, and the structural stability of the umbilical cable assembly is improved.
Referring to fig. 1 to 4, in one embodiment of the present invention, the waved force-bearing portion 22 further includes a tapered surface 224, the diameter of the second tube segment 32 decreases gradually in a direction away from the first tube segment 31, and an end of the second tube segment 32 away from the first tube segment 31 is clamped on the tapered surface 224.
In this embodiment, an opening is formed at an end of the second pipe section 32 away from the first pipe section 31, and the diameter of the second pipe section 32 is gradually reduced along a direction approaching the opening, so that the end with the larger diameter of the conical surface of the wave-shaped force bearing part 22 can be clamped in the second pipe section 32 to prevent the inner anchoring cylinder 20 from being separated from the outer anchoring cylinder 30 when an external force is applied, thereby improving the structural stability of the umbilical assembly. In addition, the diameter of the tapered surface 224 is gradually reduced to match the anchor outer cylinder 30 having different opening sizes, thereby improving the applicability of the anchor inner cylinder 20.
Referring to fig. 1 to 5 in combination, in one embodiment of the invention, the umbilical assembly further comprises a connector 50, one end of the connector 50 is provided with a second installation cavity 51, one end of the first pipe section 31 away from the second pipe section 32 is installed in the second installation cavity 51, and the other end of the connector 50 can be connected with underwater equipment.
Through the above arrangement, the connection between the umbilical cable 10 and the underwater equipment can be realized.
In one embodiment of the present invention, the connecting member 50 is provided with a pin hole, and the connecting member 50 is connected to the underwater equipment through the pin hole, and may be connected by a flange.
Referring to fig. 1 to 5, in an embodiment of the present invention, the connecting member 50 further includes a plurality of first mounting holes 52, the plurality of first mounting holes 52 are disposed on a sidewall of the second mounting cavity 51 and are communicated with the second mounting cavity 51, the first pipe section 31 includes a plurality of second mounting holes 312 arranged along the circumferential direction, and the plurality of second mounting holes 312 and the plurality of first mounting holes 52 are disposed in a one-to-one correspondence manner.
In this embodiment, after the first pipe section 31 is installed in the second installation cavity 51, the second installation holes 312 on the first pipe section 31 correspond to the first installation holes 52 on the connecting element 50 one by one, and the connecting element 50 and the anchoring outer cylinder 30 are fixedly connected together by sequentially passing through the first installation holes 52 and the second installation holes 312 through bolts or screws.
In one embodiment of the present invention, the end of the first pipe segment 31 away from the second pipe segment 32 is provided with a thread, the inner wall of the second installation cavity 51 of the connecting element 50 is correspondingly provided with a thread capable of matching with the first pipe segment 31, and the connecting element 50 is connected with the outer anchoring cylinder 30 through the thread.
In one embodiment of the present invention, the outer wall 221 is provided with an anti-slip structure to increase the friction between the reinforcing layer 12 and the outer wall 221.
Through the above arrangement, the friction force between the reinforcing layer 12 and the outer wall 221 can be increased, and when the reinforcing layer 12 receives a tensile force, the reinforcing layer 12 is not easy to axially float relative to the outer wall 221, thereby improving the structural stability of the umbilical cable assembly.
In one embodiment, the radius of curvature of the wavy line satisfies the sine curve: y = a i sin b i x, wherein a i The first adjustment coefficient of the wavy line, i.e. the amplitude of the wavy line, b i The second adjustment coefficient is the second adjustment coefficient of the wavy line, namely the periodic coefficient of the wavy line, the larger bi is, the smaller bi is, the larger the period is, y is the height coordinate of the wavy line, and x is the width coordinate of the wavy line.
In the present embodiment, the first adjustment coefficient a i The height coefficient of the wavy line, the magnitude of the first adjustment coefficient, the magnitude of the distance between the crest 223 and the trough 222 of the wavy line, i.e. the degree of the bending change of the wavy line, and the second adjustment coefficient b i The width coefficient of the wavy line and the size of the second adjustment coefficient directly influence the length of the wavy line, and the tension borne by the reinforcing layer 12 can be reasonably distributed according to the outer wall 221 set by the formula, so that the structural stability of the umbilical cable assembly is ensured.
In one embodiment of the present invention, the reinforcement layer 12 includes a plurality of reinforcement columns 121, the plurality of reinforcement columns 121 have the same diameter and are wrapped on the wave-shaped force-bearing part 22, the first adjustment coefficient is positively correlated to the diameter of the reinforcement columns 121, and the second adjustment coefficient is negatively correlated to the diameter of the reinforcement columns 121.
In this embodiment, the reinforcing layer 12 includes a plurality of reinforcing columns 121 with the same diameter, the plurality of reinforcing columns 121 cover the wave-shaped force bearing portion 22, the wave-shaped structure of the wave-shaped force bearing portion 22 can increase the frictional resistance between each reinforcing column 121 and the wave-shaped force bearing portion 22, and can also increase the contact area between each reinforcing column 121 and glue, so that when the reinforcing layer 12 is under tension, the reinforcing columns 121 cannot easily separate from the wave-shaped force bearing portion 22. The first adjustment coefficient is positively correlated with the diameter of the reinforcement column 121, and the second adjustment coefficient is negatively correlated with the diameter of the reinforcement column 121, that is, the thicker the reinforcement column 121, the larger the first adjustment coefficient of the wavy line is, the smaller the second adjustment coefficient is.
In one embodiment of the present invention, the first adjustment factor a i And the diameter D of the reinforcing column 121 satisfy the relation: a is i = (i + 3) D, second adjustment factor b i And the diameter D of the reinforcing column 121 satisfy the following relation:
wherein i is a positive integer.
In this embodiment, the first adjustment coefficient and the second adjustment coefficient and the diameter D of the reinforcing column 121 satisfy the above formula, where i is a positive integer, and the smaller the value of i is, the closer the wave segment of the wave line is to the penetrating end of the cable core 11, that is, the closer the wave segment is to the penetrating end of the cable core 11, the smaller the first adjustment coefficient and the second adjustment coefficient of the wave segment are, the gentler the wave segment is, and the smaller the bearing force is.
In one embodiment of the invention, when the wavy line comprises three wavy segments, the first adjustment coefficient a of the three wavy segments i Values are respectively a 1 ＝4D，a 2 ＝5D，a 3 =6D, second adjustment coefficient b i Value corresponds to
It can be seen from the above formula that the closer to the umbilical cable 10, the smaller the period coefficient bi of the wave line, the larger the period, and the smaller the amplitude ai, i.e. the larger the bending radius of the wave line.
In one embodiment of the present invention, the anti-slip structure may be a knurl, a protrusion, a groove, or the like.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the umbilical cable fixing device is provided with an anchoring inner cylinder and an anchoring outer cylinder, a cable core of an umbilical cable is installed in a first installation cavity of the anchoring inner cylinder to protect the cable core, a reinforcing layer of the umbilical cable is wrapped on the periphery of a wave-shaped bearing part, the anchoring outer cylinder is sleeved outside the anchoring inner cylinder and can cover the periphery of the reinforcing layer, the reinforcing layer can be prevented from being deformed or damaged by external force, glue is filled in a gap between the anchoring outer cylinder and the anchoring inner cylinder, the reinforcing layer can be fixed on the wave-shaped bearing part, the friction force between the reinforcing layer and the wave-shaped bearing part is increased by utilizing the wave-shaped structure of the wave-shaped bearing part, the contact area between the reinforcing layer and the glue is increased, and therefore the umbilical cable is not easy to be pulled out when the umbilical cable is under tensile force, the wave-shaped structure can also bear force, and is not easy to break when the umbilical cable is under larger tensile force, and the service life of the umbilical cable and the structural stability of an umbilical cable assembly are improved.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An umbilical assembly, comprising:
an umbilical (10), the umbilical (10) comprising a cable core (11) and a reinforcement layer (12);
the cable comprises an anchoring inner cylinder (20), wherein the anchoring inner cylinder (20) comprises a first mounting cavity (21) and a wave-shaped bearing part (22), the cable core (11) is mounted in the first mounting cavity (21), and a reinforcing layer (12) is mounted on the wave-shaped bearing part (22); and
the wave-shaped bearing part (22) is positioned in an inner cavity of the anchoring outer cylinder (30), a gap is formed between the anchoring outer cylinder (30) and the anchoring inner cylinder (20), and glue is filled in the gap;
the reinforcing layer (12) is arranged on the wave-shaped bearing part (22) in the inner cavity of the anchoring outer cylinder (30).
2. The umbilical assembly of claim 1, wherein the outer wall (221) of the wave-shaped messenger (22) is a continuous non-constant diameter wave-shaped structure, the outer wall (221) of the wave-shaped messenger (22) appearing wave-like in a cross section passing through a central axis of the anchor inner cylinder (20).
3. The umbilical assembly of claim 2, wherein the radius of curvature of the outer wall (221) of the undulating messenger (22) increases in a direction approaching the umbilical (10).
4. The umbilical assembly of claim 2, wherein the undulating line includes at least two undulating segments, each of the undulating segments being a sinusoidal function curve of one complete cycle.
5. The umbilical cable assembly according to claim 4, wherein the cable core (11) is extended out from one end of the inner anchoring cylinder (20), and the axial length and the bending radius of two adjacent wave segments are different, and the closer to the extended end of the cable core (11), the larger the axial length and the bending radius are.
6. The umbilical assembly according to any of claims 2 to 5, further comprising a plurality of compression rings (40), the plurality of compression rings (40) being arranged at intervals on the undulating messenger (22) to secure the reinforcement layer (12) on the undulating messenger (22).
7. The umbilical assembly according to claim 6, wherein the outer wall (221) comprises a plurality of wave troughs (222), one compression ring (40) being arranged at each wave trough (222).
8. The umbilical cable assembly according to claim 2, wherein the outer wall (221) further comprises a plurality of wave crests (223), the anchoring outer cylinder (30) comprises a first pipe section (31) and a second pipe section (32) which are connected in sequence, the first pipe section (31) and the second pipe section (32) are communicated, a plurality of grooves (311) are arranged on the inner wall of the first pipe section (31) at intervals, and the distance between the inner wall surface of each groove (311) and the corresponding wave crest (223) is a preset distance.
9. The umbilical assembly of claim 8, wherein the wave-shaped messenger (22) further comprises a tapered surface (224), the diameter of the second segment (32) decreasing in a direction away from the first segment (31), and an end of the second segment (32) away from the first segment (31) is snapped onto the tapered surface (224).
10. The umbilical assembly according to claim 8, further comprising a connector (50), wherein one end of the connector (50) is provided with a second mounting cavity (51), wherein the end of the first pipe section (31) remote from the second pipe section (32) is mounted in the second mounting cavity (51), and wherein the other end of the connector (50) is connectable to a subsea device.
11. The umbilical cable assembly of claim 10, wherein the connector (50) further comprises a plurality of first mounting holes (52), the plurality of first mounting holes (52) are provided on a side wall of the second mounting cavity (51) and are all communicated with the second mounting cavity (51), the first pipe section (31) comprises a plurality of second mounting holes (312) arranged along the circumferential direction, and the plurality of second mounting holes (312) and the plurality of first mounting holes (52) are arranged in a one-to-one correspondence.
12. The umbilical assembly according to any of claims 2 to 5, characterized in that the outer wall (221) is provided with a slip-resistant structure to increase the friction between the reinforcement layer (12) and the outer wall (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211084660.3A CN115394482A (en) | 2022-09-06 | 2022-09-06 | Umbilical cable assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211084660.3A CN115394482A (en) | 2022-09-06 | 2022-09-06 | Umbilical cable assembly |
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| CN115394482A true CN115394482A (en) | 2022-11-25 |
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| CN202211084660.3A Pending CN115394482A (en) | 2022-09-06 | 2022-09-06 | Umbilical cable assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116110642A (en) * | 2023-02-08 | 2023-05-12 | 中天科技海缆股份有限公司 | Umbilical cable and preparation method thereof |
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2022
- 2022-09-06 CN CN202211084660.3A patent/CN115394482A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116110642A (en) * | 2023-02-08 | 2023-05-12 | 中天科技海缆股份有限公司 | Umbilical cable and preparation method thereof |
| CN116110642B (en) * | 2023-02-08 | 2024-04-26 | 中天科技海缆股份有限公司 | Umbilical cable and preparation method thereof |
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