CN111292889A - Dynamic and static armored cable and manufacturing method thereof - Google Patents
Dynamic and static armored cable and manufacturing method thereof Download PDFInfo
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- CN111292889A CN111292889A CN202010105204.7A CN202010105204A CN111292889A CN 111292889 A CN111292889 A CN 111292889A CN 202010105204 A CN202010105204 A CN 202010105204A CN 111292889 A CN111292889 A CN 111292889A
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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
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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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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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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Abstract
A dynamic and static armored cable and a manufacturing method thereof are provided, the dynamic and static armored cable comprises a static cable, a dynamic cable and a transition component, the static cable and the dynamic cable share the same cable core, a transition area is arranged on the cable core, the static cable and the dynamic cable are respectively positioned on two sides of the transition area, the static cable comprises a first armored layer coated on the cable core, the dynamic cable comprises a second armored layer coated on the cable core, the number of layers of the second armored layer is not less than that of the first armored layer, the transition component is installed on the periphery side of the transition area, and two ends of the transition component are respectively sleeved on the ends of the static cable and the dynamic cable. In the dynamic and static armored cable and the manufacturing method thereof, the static cable and the dynamic cable share the same cable core, the transition component is installed on the periphery of the transition area, and two ends of the transition component are respectively sleeved on the end parts of the static cable and the dynamic cable so as to strengthen the structural strength of the dynamic and static armored cable.
Description
Technical Field
The invention relates to the technical field of sea cable connection, in particular to a dynamic and static armored cable and a manufacturing method thereof.
Background
As the development of marine resources gradually moves from offshore to deep and distant sea, the application of the dynamic and static cable system is increasingly wide. The dynamic and static cable system comprises a dynamic cable and a static cable which are connected with each other and used for transmitting electric power and/or communication control signals. The dynamic cable is usually suspended to the seabed by a sea surface floating structure and continuously bears the coupled motion caused by waves, ocean current impact and a floating body in a service period; static cables are generally buried or laid on the sea floor and are less affected by the environment. The difference of the working conditions leads to the difference of the structure of the dynamic cable and the static cable. The existing production mode generally divides the dynamic cable and the static cable into two sections for production, and then carries out end part connection.
The above-mentioned sectional production mode and the following mode have the following problems and disadvantages: (1) the dynamic cable and the static cable are connected through the connector or the plug head, certain electric function or optical function loss can be generated under the influence of product quality and a connection process, and the price of the connector or the plug head is more expensive along with the increase of voltage and the number of optical fibers, so that the construction cost is increased; (2) the transition joint of the dynamic and static cable system is sealed in a water-blocking way through the metal outer cover, the sealing failure is easily caused along with the increase of water depth, and the structural strength and the electrical performance of the cable are greatly influenced; (3) the outer diameter of the transition joint connection will become larger, the corresponding external metal cover volume will also increase, and the costs for related processing, transportation, assembly, construction, etc. are high.
Disclosure of Invention
In view of the above, it is desirable to provide a dynamic and static armored cable with high structural strength and a manufacturing method thereof.
The static cable and the dynamic cable share the same cable core, a transition region is arranged on the cable core, the static cable and the dynamic cable are respectively positioned on two sides of the transition region, the static cable comprises a first armor layer coated on the cable core, the dynamic cable comprises a second armor layer coated on the cable core, the number of layers of the second armor layer is not less than that of the first armor layer, the transition component is installed on the periphery of the transition region, and two ends of the transition component are respectively sleeved on the ends of the static cable and the dynamic cable.
Furthermore, the second armor layer is formed by covering the cable core with an armor rope, and the armor rope comprises armor steel wires and an armor steel wire sheath covering the armor steel wires.
Furthermore, the static cable also comprises an outer coating layer coated outside the first armor layer.
Further, the dynamic cable further comprises a second wrapping layer and an outer sheath which are sequentially wrapped outside the second armor layer.
Furthermore, the transition assembly comprises an anchoring part and a bending limiter, two ends of the anchoring part are respectively sleeved in and hooped on the ends of the static cable and the dynamic cable, and the bending limiter is respectively installed at two ends of the anchoring part and respectively sleeved on the static cable and the dynamic cable.
Furthermore, the anchoring part comprises a clamping plate and first shells symmetrically fixed on two sides of the clamping plate, an anchoring cavity is arranged in each first shell, the end parts of the static cables and the dynamic cables are respectively accommodated in the corresponding anchoring cavities, the armor ropes or the armor steel wires are arranged in the anchoring cavities, and sealant is poured into the anchoring cavities.
Furthermore, the anchoring part further comprises a second shell, a shell cabin is arranged in the second shell, the clamping plate and the first shell are accommodated in the shell cabin, and sealant is poured into the shell cabin.
Further, the parts of the anchoring piece and the bending limiter are symmetrically arranged and are fastened through bolts.
The invention also provides a manufacturing method of the dynamic and static armored cable, which is used for manufacturing the dynamic and static armored cable and comprises the following steps:
producing cable cores, marking transition areas on the cable cores, and dividing the cable cores on two sides of the transition areas into static cable cores and dynamic cable cores;
straightening the armored steel wire to be wrapped, and extruding an armored steel wire sheath outside the armored steel wire to form an armored rope;
the method comprises the following steps that an armored steel wire is wound on a static cable core to form a first armored layer, and an outer coating layer is wound outside the first armored layer to form a static cable;
the dynamic cable core is covered with an armor rope to form a second armor layer, the armor at the joint of the dynamic cable and the static cable is fixed in a binding or welding mode, and then a dynamic cable is formed by sequentially wrapping a tape and an extruded outer sheath outside the second armor layer;
sleeving an anchoring piece on the periphery of a cable core transition region, sleeving the end part of a static cable and the end part of a dynamic cable into two ends of the anchoring piece respectively, separating armoring at the joint of the dynamic cable and the static cable, arranging an armoring rope and an armoring steel wire in the anchoring piece, and injecting sealant into the anchoring piece;
and bending limiters are respectively arranged at two ends of the anchoring piece and are respectively sleeved on the outer coating layer and the periphery of the outer sheath to form the dynamic and static armored cable.
Further, the armor wires wrapped on the static cable core are replaced by armor ropes.
In the dynamic and static armored cable and the manufacturing method thereof, the static cable and the dynamic cable share the same cable core, the transition component is installed on the periphery of the transition area, and two ends of the transition component are respectively sleeved on the end parts of the static cable and the dynamic cable so as to strengthen the structural strength of the dynamic and static armored cable.
Drawings
Fig. 1 is a schematic structural view of a dynamic and static armor cable according to an embodiment of the present invention.
Fig. 2 is a cross-sectional structure view of the cable core in an embodiment of the present invention.
Fig. 3 is a cross-sectional structural view of a static armor cable according to an embodiment of the present invention.
Fig. 4 is a cross-sectional structural view of a dynamic armor cable according to an embodiment of the present invention.
Fig. 5 is a schematic flow chart illustrating a manufacturing method of a dynamic and static armor cable according to an embodiment of the present invention.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
So that the manner in which the above recited objects, features and advantages of embodiments of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments of the invention, some, but not all embodiments of the invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the embodiments of the present 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 present 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 embodiments of the invention.
Referring to fig. 1, a dynamic and static armored cable 100 is used to transmit power and communication control signals between the sea bottom and the sea surface or between the sea bottom and the land. The dynamic and static armor cable 100 includes a static cable 20, a dynamic cable 30, and a transition assembly 40. The static cable 20 and the dynamic cable 30 share the same cable core 10, a transition area 11 is arranged on the cable core 10, and the static cable 20 and the dynamic cable 30 are respectively located on two sides of the transition area 11. The transition assembly 40 is installed on the periphery of the transition area 11, and two ends of the transition assembly 40 are respectively sleeved on the ends of the static cable 20 and the dynamic cable 30. The static cable 20 is intended to be buried or laid on the seabed to withstand static loads. The dynamic cable 30 is used for connection between the sea surface and the seabed, and bears dynamic load. The transition member 40 serves to reinforce the structural strength of the transition zone 11.
Referring to fig. 2, in an embodiment, the cable core 10 includes a twisted body 12, and a first wrapping layer 13 and an inner sheath 14 sequentially wrapping the twisted body 12 from inside to outside. The stranded body 12 includes a cable unit 121, a cable unit 122, and a filler 123, and the cable unit 121 and the cable unit 122 are stranded with each other. The filler 123 is filled in the twisted gap between the cable unit 121 and the optical cable unit 122 and the gap between the twisted body 12 and the first wrapping layer 13, so as to improve the water blocking capability of the cable core 10. The first wrapping layer 13 is formed by wrapping the twisting body 12 with a wrapping tape. The inner jacket 14 is used to improve the water resistance of the cable core 10. In an embodiment, the cable core 10 further comprises a central reinforcement 15, wherein the central reinforcement 15 is disposed at an axial position of the cable core 10 to improve the structural strength of the cable core 10.
In other embodiments, the stranded body 12 is one of the cable unit 121 or the cable unit 122. The filler 123 is filled in the twisted gap between the cable unit 121 or the optical cable unit 122, and the gap between the twisted body 12 and the first wrapping layer 13.
The cable unit 121 includes a conductor 1211, and an inner shielding layer 1212, an insulating layer 1213, an outer shielding layer 1214, a metal shielding layer 1215, a semi-conductive water blocking tape layer 1216, and a split-phase sheath 1217 which sequentially cover the conductor 1211 from inside to outside. The split-phase sheath 1217 serves to improve the waterproof capability of the cable unit 121. In one embodiment, the number of cable units 121 is 3, and the split phase sheaths 1217 of different cable units 121 use different color bands for distinction. In one embodiment, the conductor 1211 is a water-blocking conductor, and specifically, the conductor 1211 is a round compacted structure or a split conductor structure, and is blocked by a water-blocking tape or a water-blocking glue. The conductor 1211 is a long length jointless conductor to reduce a joint, thereby preventing the joint from increasing the outer diameter of the cable unit 121. The metallic shielding layer 1215 is made of a metallic copper tape coating to improve the shielding ability of the cable unit 121. The conductor 1211 is made of copper, aluminum or a composite metal material, and in one embodiment, the conductor 1211 is made of copper.
The optical cable unit 122 includes an optical fiber 1221, and an optical fiber tube 1222 and an optical cable sheath layer 1223 sequentially covering the optical fiber 1221 from inside to outside. The optical fiber tube 1222 is made of a welded steel tube to improve structural strength of the optical cable unit 122. The optical cable sheath layer 1223 is used to improve the waterproof capability of the optical cable unit 122. In other embodiments, the optical cable unit 122 includes an optical cable sheath layer (not shown) and an optical cable wrapping layer (not shown) sequentially wrapped from inside to outside between the optical fiber tube 1222 and the optical cable sheath layer 1223. In one embodiment, the number of the optical cable units 122 is 1.
The transition area 11 divides the cable core 10 into two sections, wherein one section is the cable core of the static cable 20, and the other section is the cable core of the dynamic cable 30. The transition area 11 sets the lengths of the static cable 20 cable core and the dynamic cable 30 cable core according to requirements, and further sets the lengths of the static cable 20 and the dynamic cable 30. Compared with a static cable and a dynamic cable which do not share the same cable core, the cable core 10 has no photoelectric function loss by subtracting joints of functional units such as a cable, an optical cable and the like, and has the advantages of good sealing effect, small overall structure risk and low cost.
Referring to fig. 3, in one embodiment, the static cable 20 further includes a first armor layer 21 and an outer covering layer 22, which are sequentially coated on the cable core 10 from inside to outside. The number of the first armor layer 21 is at least one. Specifically, the first armor layer 21 is formed by cladding an armor steel wire outside the inner sheath 14. The outer coating layer 22 is formed by wrapping the first armor layer 21 through PP ropes.
Referring to fig. 4, the dynamic cable 30 further includes a second armor layer 31, a second wrapping layer 32 and an outer sheath 33 sequentially covering the cable core 10 from inside to outside. At least two layers of the second armor layer 31 are provided. Specifically, the second armor layer 31 is formed by covering the inner sheath 14 with an armor rope 311. Armor rope 311 includes armor steel wire 3111 and cladding in armor steel wire 3111 outer armor steel wire sheath 3112, so that armor rope 311 does not become invalid when intaking, simultaneously armor steel wire 3111 is in under the protection of armor steel wire sheath 3112, avoided the mutual contact wearing and tearing that slide, promoted dynamic cable 30's life. The second wrapping layer 32 is formed by wrapping a wrapping tape outside the second armor layer 31. The outer sheath 33 is formed by extrusion on the outside of the second wrapping layer 32 to tighten and protect the second armor layer 31. The outer sheath 33 is smooth and wear resistant to enhance the hydrodynamic performance of the dynamic cable 30. It is understood that the armor wires of the first armor layer 21 may be replaced by the armor wires 311.
The number of layers of the second armor layer 31 is not less than that of the first armor layer 21, so that the static cable 20 and the dynamic cable 30 can adapt to different working environments, and the production cost is reduced.
Referring also to fig. 1, the transition element 40 includes an anchor 41 and a bend limiter 42. The anchoring member 41 is sleeved on the periphery of the transition region 11, and two ends of the anchoring member 41 are respectively sleeved on and hooped on the end of the static cable 20 and the end of the dynamic cable 30. The bending limiters 42 are respectively installed at both ends of the anchor 41 and respectively sleeved on the static cable 20 and the dynamic cable 30, so as to solve the transition problem of the static cable 20 and the dynamic cable 30 with different diameters and different rigidities, and prevent excessive bending, so as to improve the structural strength of the dynamic and static armored cable 100. The parts of the anchor 41 and the bending limiter 42 are in a symmetrical structure of a half type and are fastened through bolts so as to be convenient to install. In one embodiment, the transition assembly 40 is made from a 316L stainless steel material to improve the corrosion resistance and structural strength of the transition assembly 40.
Specifically, in one embodiment, the anchor 41 includes a clamping plate 411, a first housing 412 symmetrically fixed on two sides of the clamping plate 411, and a second housing 413 for accommodating the clamping plate 411 and the first housing 412. The clamping plate 411 is clamped on the periphery of the cable core 10 of the transition region 11, the first shells 412 are respectively installed on two opposite sides of the clamping plate 411, an anchoring cavity 4121 is arranged in each first shell 412, the end portions of the static cable 20 and the dynamic cable 30 are respectively accommodated in the corresponding anchoring cavity 4121, the armor rope 311 or the armor steel wires are arranged in the anchoring cavity 4121, a sealant is further filled in the anchoring cavity 4121, and the sealant is uniformly distributed in the anchoring cavity 4121 so as to fix the armor rope 311 or the armor steel wires and improve the structural strength and the waterproof capability of the first shell 412. In one embodiment, the anchoring member 41 further comprises a snap ring 416, and the snap ring 416 is sleeved on the cable core 10 in the anchoring cavity 4121 to improve the structural strength of the cable core 10. In one embodiment, the first housing 412 is substantially circular truncated cone shaped, the second housing 413 is substantially cylindrical, and the armor wires 311 or the armor wires are arranged in the anchoring cavity 4121 in an umbrella shape.
The end of the first housing 412 remote from the clamp plate 411 is secured by a locking ring 414 to lock the first housing 412 and fix the relative positions of the static cable 20 and the dynamic cable 30. A connecting seat 415 is further fixed at one end of each locking ring 414 away from the first housing 412, two ends of the second housing 413 are respectively fixed to the connecting seat 415, a housing compartment 4131 is disposed in the second housing 413, the clamping plate 411 and the first housing 412 are accommodated in the housing compartment 4131, and sealant is poured into the housing compartment 4131 and uniformly distributed in the housing compartment 4131, so as to improve the structural strength and the waterproof capability of the second housing 413. The bending limiter 42 is installed on a side of the connecting seat 415 away from the first housing 412, and respectively sleeved on the outer coating 22 and the outer sheath 33 to prevent the dynamic and static armored cable 100 from being bent excessively.
Referring to fig. 5, the present invention further provides a method for manufacturing the dynamic and static armored cable 100, including the following steps:
s1, producing the cable core 10, marking the transition area 11 on the cable core 10, and dividing the cable cores on two sides of the transition area 11 into a static cable core and a dynamic cable core;
s2, straightening the steel wire 3111 to be wrapped, and extruding a steel wire sheath 3112 outside the steel wire 3111 to form an armored rope 311;
s3, wrapping the armor steel wire on the static cable core to form a first armor layer 21, and wrapping the outer cover layer 22 outside the first armor layer 21 to form the static cable 20;
in one embodiment, the armor wires wrapped over the static cable core are replaced by armor cords 311.
S4, covering and winding an armor rope 311 on the dynamic cable core to form a second armor layer 31, fixing armor at the joint of the dynamic cable 30 and the static cable 20 in a binding or welding mode, and sequentially winding a tape and extruding an outer sheath 33 outside the second armor layer 31 to form the dynamic cable 30;
specifically, the armor at the joint of the dynamic cable 30 and the static cable 20 is fixed in a binding or welding mode, so that the connection problem of bearing armor in the production process is solved, and the production efficiency is improved.
S5, sleeving an anchoring part 41 on the peripheral side of the cable core transition region 11, sleeving the end part of the static cable 20 and the end part of the dynamic cable 30 into the two ends of the anchoring part 41 respectively, separating armor at the joint of the dynamic cable 30 and the static cable 20, arranging an armor rope 311 and armor steel wires in the anchoring part 41, and injecting sealant into the anchoring part 41;
s6, bending limiters 42 are respectively arranged at two ends of the anchoring piece 41, and the bending limiters 42 are respectively sleeved on the periphery sides of the outer covering layer 22 and the outer sheath 33 to form the dynamic and static armored cable 100.
In an embodiment, the method for manufacturing the dynamic and static armor cable 100 further includes:
and S7, winding the dynamic and static armored cable 100 on the same cable reel, and continuously lowering the cable during construction.
In an embodiment, the S1 production of the cable core 10 specifically includes the following steps:
s11, continuously producing the cable units 121 of large length;
specifically, the conductor 1211 is formed by twisting, an inner shielding layer 1212, an insulating layer 1213 and an outer shielding layer 1214 are sequentially extruded outside the conductor 1211 by adopting a three-layer co-extrusion technology, a metal copper strip metal shielding layer 1215 is wound outside the outer shielding layer 1214, a semi-conductive water-blocking tape is wrapped after the winding to form a semi-conductive water-blocking tape layer 1216, a split-phase sheath 1217 is extruded outside the semi-conductive water-blocking tape layer 1216 to form the cable unit 121, and different cable units 121 are distinguished by using different color tapes;
s12, continuously producing the optical cable units 122 with large lengths;
specifically, the optical fiber 1221 is sequentially coated with the optical fiber 1222 and the optical cable sheath layer 1223 of the optical fiber 1221 from inside to outside, and the optical fiber 1222 is made of a welded steel tube, so as to improve the structural strength of the optical cable unit 122.
S13, twisting the cable unit 121 and the cable unit 122;
specifically, the cable unit 121 and the optical cable unit 122 are twisted and wrapped by the first wrapping layer 13, and the filler 123 is filled in a twisting gap between the cable unit 121 and the optical cable unit 122 and a gap between the stranded body 12 and the first wrapping layer 13, so as to improve the water blocking capability of the cable core 10.
S14, continuously extruding the inner sheath 14 with a large length to form the cable core 10.
Specifically, the inner sheath 14 is coated outside the first wrapping layer 13 in an extrusion molding manner so as to control the outer diameter of the cable core 10 and keep the cable core round.
In one embodiment, the step S5 includes the following steps:
s51, sleeving the ends of the static cable 20 and the dynamic cable 30 on the corresponding first shells 412 respectively, separating armoring at the joint of the dynamic cable 30 and the static cable 20, and sleeving a snap ring 416 on the cable core 10;
s52, arranging the armor rope 311 and the armor steel wires to enable the armor rope 311 and the armor steel wires to be arranged in the anchoring cavity 4121 in an umbrella shape;
s53, installing a clamp plate 411 between the oppositely arranged first shells 412 to clamp the cable core 10 and fix the positions of the adjacent first shells 412;
s53, pouring sealant into the anchoring cavity 4121 to uniformly distribute the sealant in the anchoring cavity 4121;
s54, after the sealant is solidified, mounting the locking ring 414 and mounting the connecting base 415 on one end of the locking ring 414 far away from the first shell 412 by the bolt;
s55, the two ends of the second housing 413 are respectively fixed to the connecting seat 415, the housing compartment 4131 accommodates the clamp plate 411 and the first housing 412, and the housing compartment 4131 is filled with a sealant.
In the dynamic and static armored cable 100 and the manufacturing method thereof, the static cable 20 and the dynamic cable 30 share the same cable core 10, and the joints of functional units such as cables, optical cables and the like are subtracted, so that the cable core 10 has no photoelectric function loss, and the inner sheath 14 in the process is of a continuous structure, so that the sealing effect is good, the risk of the whole structure is small, and the cost is low; armor rope 311 includes armor steel wire 3111 and cladding in armor steel wire 3111 outer armor steel wire sheath 3112, so that armor rope 311 does not become invalid when intaking, simultaneously armor steel wire 3111 is in under the protection of armor steel wire sheath 3112, avoided the mutual contact wearing and tearing that slide, promoted dynamic cable 30's life. The transition component 40 is installed on the periphery of the transition region 11, and two ends of the transition component 40 are respectively sleeved on the ends of the static cable 20 and the dynamic cable 30 so as to reinforce the structural strength of the dynamic and static armored cable 100. The dynamic and static armored cable 100 is prefabricated in a factory, construction on site is not needed, construction difficulty and cost are reduced, and construction time is shortened.
Although the embodiments of the present invention have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides a dynamic and static armoured cable, includes static cable, developments cable and transition component, static cable reaches same cable core of developments cable sharing, its characterized in that: the cable is characterized in that a transition area is arranged on the cable core, the static cable and the dynamic cable are respectively located on two sides of the transition area, the static cable comprises a first armor layer coated on the cable core, the dynamic cable comprises a second armor layer coated on the cable core, the number of layers of the second armor layer is not less than that of the first armor layer, the transition assembly is installed on the periphery of the transition area, and two ends of the transition assembly are respectively sleeved on the ends of the static cable and the dynamic cable.
2. The dynamic-static armor cable according to claim 1, wherein: the second armor layer is formed by covering the cable core with an armor rope, and the armor rope comprises armor steel wires and an armor steel wire sheath covering the armor steel wires.
3. The dynamic-static armor cable according to claim 1, wherein: the static cable further comprises an outer coating layer coated outside the first armor layer.
4. The dynamic-static armor cable according to claim 1, wherein: the dynamic cable further comprises a second wrapping layer and an outer sheath which are sequentially wrapped outside the second armor layer.
5. The dynamic-static armor cable according to claim 2, wherein: the transition assembly comprises an anchoring part and bending limiters, two ends of the anchoring part are sleeved in and hooped on the ends of the static cable and the dynamic cable respectively, and the bending limiters are installed at two ends of the anchoring part and sleeved on the static cable and the dynamic cable respectively.
6. The dynamic-static armor cable according to claim 5, wherein: the anchoring part comprises a clamping plate and first shells symmetrically fixed on two sides of the clamping plate, an anchoring cavity is arranged in each first shell, the end parts of the static cables and the dynamic cables are respectively accommodated in the corresponding anchoring cavities, the armor ropes or the armor steel wires are arranged in the anchoring cavities, and sealant is poured into the anchoring cavities.
7. The dynamic-static armor cable of claim 6, wherein: the anchoring piece further comprises a second shell, a shell cabin is arranged in the second shell, the clamping plate and the first shell are contained in the shell cabin, and sealant is poured into the shell cabin.
8. The dynamic-static armor cable according to claim 7, wherein: the anchoring piece and the bending limiter are symmetrically arranged and fastened through bolts.
9. A method for manufacturing a dynamic and static armor cable according to any one of claims 1 to 8, wherein: the method comprises the following steps:
producing cable cores, marking transition areas on the cable cores, and dividing the cable cores on two sides of the transition areas into static cable cores and dynamic cable cores;
straightening the armored steel wire to be wrapped, and extruding an armored steel wire sheath outside the armored steel wire to form an armored rope;
the method comprises the following steps that an armored steel wire is wound on a static cable core to form a first armored layer, and an outer coating layer is wound outside the first armored layer to form a static cable;
the dynamic cable core is covered with an armor rope to form a second armor layer, the armor at the joint of the dynamic cable and the static cable is fixed in a binding or welding mode, and then a dynamic cable is formed by sequentially wrapping a tape and an extruded outer sheath outside the second armor layer;
sleeving an anchoring piece on the periphery of a cable core transition region, sleeving the end part of a static cable and the end part of a dynamic cable into two ends of the anchoring piece respectively, separating armoring at the joint of the dynamic cable and the static cable, arranging an armoring rope and an armoring steel wire in the anchoring piece, and injecting sealant into the anchoring piece;
and bending limiters are respectively arranged at two ends of the anchoring piece and are respectively sleeved on the outer coating layer and the periphery of the outer sheath to form the dynamic and static armored cable.
10. The dynamic-static armor cable manufacturing method according to claim 9, wherein: the armoured steel wire wound on the static cable core is replaced by armoured rope.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113299431A (en) * | 2021-05-21 | 2021-08-24 | 中天科技海缆股份有限公司 | Dynamic and static submarine cable and manufacturing method thereof |
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| CN110632724A (en) * | 2019-10-31 | 2019-12-31 | 江苏亨通海洋光网系统有限公司 | Dynamic and static submarine optical cable joint box |
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Cited By (8)
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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 |
| CN111899927B (en) * | 2020-07-16 | 2021-11-23 | 中天科技海缆股份有限公司 | Dynamic and static submarine cable with continuous cable core and production method thereof |
| WO2022011897A1 (en) * | 2020-07-16 | 2022-01-20 | 中天科技海缆股份有限公司 | Dynamic and static submarine cable with continuous wire core and production method therefor |
| EP4163933A4 (en) * | 2020-07-16 | 2024-06-12 | Zhongtian Technology Submarine Cable Co., Ltd. | Dynamic and static submarine cable with continuous wire core and production method therefor |
| CN113299431A (en) * | 2021-05-21 | 2021-08-24 | 中天科技海缆股份有限公司 | Dynamic and static submarine cable and manufacturing method thereof |
| CN113299431B (en) * | 2021-05-21 | 2022-04-15 | 中天科技海缆股份有限公司 | Dynamic and static submarine cable and manufacturing method thereof |
| WO2022241926A1 (en) * | 2021-05-21 | 2022-11-24 | 中天科技海缆股份有限公司 | Dynamic and static submarine cable and manufacturing method therefor |
| EP4207216A4 (en) * | 2021-05-21 | 2024-04-10 | Zhongtian Technology Submarine Cable Co., Ltd. | Dynamic and static submarine cable and manufacturing method therefor |
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Effective date of registration: 20200827 Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China Applicant after: ZHONGTIAN TECHNOLOGIES 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. Applicant before: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. |
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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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| CB02 | Change of applicant information | ||
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Application publication date: 20200616 |
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| RJ01 | Rejection of invention patent application after publication |