CN116759951A - Submarine cable scour protection and control integrated system based on junked tires - Google Patents

Submarine cable scour protection and control integrated system based on junked tires Download PDF

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Publication number
CN116759951A
CN116759951A CN202310571310.8A CN202310571310A CN116759951A CN 116759951 A CN116759951 A CN 116759951A CN 202310571310 A CN202310571310 A CN 202310571310A CN 116759951 A CN116759951 A CN 116759951A
Authority
CN
China
Prior art keywords
protection
submarine cable
junked
tires
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310571310.8A
Other languages
Chinese (zh)
Inventor
吕君
何奔
吕娜
高鹏
石锐龙
戚海峰
李炜
姜贞强
罗金平
熊根
赖踊卿
黄国香
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Huadong Engineering Corp Ltd
Original Assignee
PowerChina Huadong Engineering Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Huadong Engineering Corp Ltd filed Critical PowerChina Huadong Engineering Corp Ltd
Priority to CN202310571310.8A priority Critical patent/CN116759951A/en
Publication of CN116759951A publication Critical patent/CN116759951A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/06Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
    • H02G1/10Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/06Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles
    • E02D5/28Prefabricated piles made of steel or other metals
    • E02D5/285Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462Tubings, i.e. having a closed section
    • H02G3/0481Tubings, i.e. having a closed section with a circular cross-section
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/06Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0001Rubbers
    • E02D2300/0003Car tires

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The invention provides a comprehensive system for scour protection and control of submarine cables based on junked tires, wherein the submarine cables are provided with bending limiters from the seabed surface to the exposed and suspended sections of submarine cable sleeves, and scour protection areas are arranged on the peripheries of steel pipe piles; the anti-scouring protection area is internally provided with first junked tires in a stacked manner, first connecting pieces connected with each other are arranged between the adjacent first junked tires, so that a flexible contact type protection frame for the bending limiter is formed, and filling materials are arranged in a gap space inside the protection frame, so that a foundation stable type integral protection structure is formed. The invention utilizes the brittleness of the flexible and bending limiter of the junked tire, and the junked tire has stronger corrosion resistance and wear resistance, can greatly improve the impact damage of the submarine cable against external forces such as anchor damage, trawl and the like, and simultaneously avoids the long-term fatigue movement of the submarine cable exposed under the action of ocean currents and the friction with a scouring protection layer.

Description

Submarine cable scour protection and control integrated system based on junked tires
Technical Field
The invention relates to the technical field of offshore wind power engineering, in particular to a submarine cable scouring protection and control integrated system based on junked tires.
Background
With the rapid development of offshore wind power foundations, submarine cables are also widely used as an indispensable part. The submarine cable is used as main equipment for electric energy transmission of offshore wind power and is connected with the fan unit through a steel J-shaped submarine cable sleeve. However, due to the existence of the ocean pile foundation, soil around the pile is easily eroded by the movement of water particles caused by tide and waves, and a large scouring pit is formed around the pile foundation, so that submarine cables connected with the steel J-shaped submarine cable sleeves are exposed or suspended. Under the action of ocean currents, the suspended submarine cable can swing greatly and rub and collide with a scouring protection layer of a grounding point, so that the submarine cable is mechanically damaged. However, the existing submarine cable stability control structure is basically absent, and the submarine cable stability is poor; the existing scouring protection system mainly comprises a single structure such as a stone throwing structure, a sand bag structure, a concrete row structure and the like, has poor scouring protection effect, is separated from a submarine cable stability control structure, and is easy to rub with the submarine cable to damage the submarine cable.
Disclosure of Invention
The invention aims to provide a comprehensive system for reducing the friction risk of a bare or suspended submarine cable and an anti-scouring protection layer and enhancing the stability of the submarine cable.
For this purpose, the invention adopts the following technical scheme:
a submarine cable scour protection and control integrated system based on junked tires is characterized in that a submarine cable is provided with a bending limiter from the seabed surface to the outside of the exposed and suspended section of a submarine cable sleeve, and an scour protection area is arranged at the periphery of a steel pipe pile; the anti-scouring protection area is internally provided with first junked tires in a stacking manner, first connecting pieces which are connected with each other are arranged between adjacent first junked tires, so that a flexible contact type protection frame for the bending limiter is formed, and filling materials are arranged in a gap space inside the protection frame, so that a basic stable type integral protection structure is formed; the submarine cable frame is provided with a ballast part at the exposed section part of the surface of the anti-scour protection area, and a flexible protective layer is sleeved on the bending limiter between the ballast part and the anti-scour protection area so as to form a protective ballast stable state for the bending limiter on the submarine cable at the exposed and suspended section.
Further: the first connecting piece comprises a first intermediate piece, and a first double-half-ring connecting part is arranged on the surface of the opposite side of the first intermediate piece and can be connected and matched with the first junked tire.
Further: the coverage area of the ballast component extends to the sea floor outside the integral protective structure.
Further: the flexible protection layer comprises a first protection section and a second protection section along the submarine cable laying direction, the first protection section is arranged between the ballast part and the upper surface of the integral protection structure, and the second protection section protrudes towards the part of the steel pipe pile direction to be arranged in the coverage area of the ballast part.
Further: the flexible protective layer comprises a plurality of second junked tires arranged along the laying direction of the submarine cable, and protective channels for the bending limiters to pass through are formed among the through holes in the second junked tires; and a second connecting piece for tightly connecting the second waste tires is arranged between the adjacent second waste tires.
Further: the second connecting piece comprises a second intermediate piece, and a second double-half-ring connecting part is arranged on the same side surface of the second intermediate piece and can be connected and matched with the second junked tire.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the flexibility of the waste tyre to neutralize the brittleness of the bending limiter, and the waste tyre has stronger corrosion resistance and wear resistance, can greatly improve the impact damage of the submarine cable against external forces such as anchor damage, trawl and the like, simultaneously prevent the evolution of the scour seabed, avoid the submarine cable from being exposed and long-term fatigue movement under the action of ocean currents, and rub the scour protection layer, so that the submarine cable is suitable for deeper and more complex ocean environments.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the B-B structure of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a first connector according to the present invention;
fig. 5 is a schematic structural view of a second connector according to the present invention.
The marks in the drawings are: 1-submarine cable sleeve; 2-submarine cables; 3-a bend limiter; 4-a first junked tire; 51-first connection; 511-a first middleware; 512 a first double half ring connection site; 52-a second connector; 521-a second intermediate piece; 522-a second double half ring junction; 6-ballasting means; 7-filling; 8-steel pipe piles; 9-second junked tire.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in fig. 1-5, a comprehensive system for protecting and controlling the scouring of submarine cables based on junked tires is provided, wherein a submarine cable 2 is provided with a bending limiter 3 from the seabed surface to the exposed and suspended section of a submarine cable sleeve 1, and an anti-scouring protection area is arranged at the periphery of a steel pipe pile 8; the first junked tires 4 are stacked in the anti-scouring protection area, first connecting pieces 51 connected with each other are arranged between the adjacent first junked tires 4, so that a flexible contact type protection frame for the bending limiter 3 is formed, and filling materials 7 are arranged in a gap space inside the protection frame, so that a basic stable type integral protection structure is formed; the submarine cable 2 is erected on the exposed section part of the surface of the anti-scour protection area, a ballast part 6 is arranged on the exposed section part of the surface of the anti-scour protection area, and a flexible protection layer is sleeved on the bending limiter 3 between the ballast part 6 and the anti-scour protection area so as to form a protection type ballast stable state for the bending limiter 3 on the exposed and suspended submarine cable 2.
In this embodiment, it should be noted that the steel "J" shaped submarine cable sleeve 1 is disposed on the steel pipe pile 8, the submarine cable 2 is threaded through the steel "J" shaped submarine cable sleeve 1 to be installed on the wind turbine, the bending limiter 3 is sleeved outside the submarine cable 2, the starting end of the bending limiter 3 is connected with the end of the steel "J" shaped submarine cable sleeve 1, and at the same time, the end of the bending limiter 3 needs to be installed outside the submarine anti-scour protection area, so that the connection and installation of the submarine cable 2 between the periphery of the steel pipe pile 8 and the offshore wind turbine on the steel pipe pile 8 are completed.
In this embodiment, the first junked tire 4 is arranged and combined in the anti-scour protection area according to the operation requirement through the first double-half-ring connecting portion 512, and the space in the first junked tire 4 and the space between the adjacent first junked tires 4 are fully filled by the filler 7, so that the whole protection structure is stably arranged in the anti-scour protection area. And a scouring protection layer flexibly contacting the bending limiter 3 is formed on the upper surface of the integral protection structure.
Wherein, the filler 7 can adopt pebbles to fill the internal void space of the protective frame, and the non-corner surface of the pebble surface can ensure that the pebbles can not cause puncture damage to the surface of the first junked tire 4, thereby prolonging the protective operation time of the first junked tire 4.
As shown in fig. 4, specifically, the first connecting member 51 includes a first intermediate member 511, and a first double-half ring connecting portion 512 is provided on the opposite side surface of the first intermediate member 511, and the first double-half ring connecting portion 512 is capable of being connected and matched with the first junked tire 4.
In this embodiment, the whole first connecting member 51 can be made of rubber material, so that it has the characteristics of easy installation and high strength, and the whole protecting frame is flexible to a certain extent. The two ends of the connection part between the first double semi-ring 512 and the first middle piece 511 are respectively provided with a semi-ring structure, and the two semi-ring structures are used for clamping the first junked tire 4; and the first junked tire 4 of the adjacent side can be connected under the action of the first double half ring connecting portion 512 of the other side.
As shown in fig. 1, in particular, the coverage of the ballast part 6 extends to the sea floor outside the overall protective structure. The ballasting component 6 can adopt a concrete soft raft to ballast the bending limiter 3 sleeved with the flexible protective layer, ensure that the submarine cable 2 has better stability control on the seabed, and reduce friction with the anti-scouring protective layer.
Meanwhile, the flexible protection layer comprises a first protection section and a second protection section in the laying direction of the submarine cable 2, the first protection section is arranged between the ballast component 6 and the upper surface of the integral protection structure, and the second protection section is arranged towards the part of the direction of the steel pipe pile 8, protruding out of the coverage area of the ballast component 6.
In the embodiment, a flexible protective layer with the length of 2 meters is sleeved at the contact part of the bending limiter 3 and the scouring protective layer and/or the seabed surface; at the same time, the ballast part 6 is covered from the contact position of the middle or bending limiter 3 on one side of the flushing protection layer with the flushing protection layer and up to 2m outside the flushing protection zone.
As shown in fig. 3 and 5, the flexible protective layer specifically includes a plurality of second junked tires 9 disposed along the laying direction of the submarine cable 2, and a protective channel for the bending limiter 3 to pass through is formed between the through holes inside the plurality of second junked tires 9; a second connecting piece 52 for tightly connecting the adjacent second junked tires 9 is provided between them.
As shown in fig. 5, the second connecting piece 52 includes a second intermediate piece 521, and a second double-half ring connecting portion 522 is disposed on the same side surface of the second intermediate piece 521, and the second double-half ring connecting portion 522 can be connected and matched with the second junked tire 9.
In this embodiment, the second connecting member 52 is made of rubber material, so that it has the characteristics of easy installation and high strength, and the flexible protection layer is more suitable for the design of the whole flexibility after being connected with the bending limiter 3. The two ends of the connecting part 522 of the second double-semi-ring and the connecting part 521 of the second intermediate piece are respectively provided with a semi-ring structure, and the two sides of the semi-ring structure are used for clamping the second junked tire 9; the second junked tire 9 was connected to a 2m long firm whole by a second connecting piece 52 between the same sides and was abutted against the surface of the bending limiter 3.
It should be noted that, the junked tire is flexible material, combines the junked tire that is flexible with the filler 7 of stereoplasm and stereoplasm ballast part 6 respectively, forms complete protection system, and junked tire as soft material plays the effect of having alleviateed friction and collision, and the hard material plays effects such as reduction deformation and position to this reaches the effect of scour protection and assurance seabed submarine cable 2 stability through overall benefit.
Referring to fig. 1 to 5, when the integrated system protects the submarine cable 2, the specific manner is as follows:
firstly, arranging first junked tires 4 in sequence along the radial direction of a pile foundation of a steel pipe pile 8, connecting adjacent first junked tires 4 into a stable integral protection frame by using a first connecting piece 51 to enable the first junked tires 4 to be arranged tightly, and then filling fillers 7 into gaps between the first junked tires 4 and the adjacent first junked tires 4 to form an anti-scouring double protection layer;
the submarine cable 2 passes through the steel J-shaped submarine cable sleeve 1 to be threaded on a fan, the bending limiter 3 is sleeved outside the submarine cable 2, the tail end of the steel J-shaped submarine cable sleeve 1 is connected through the bending limiter 3, the tail end of the bending limiter 3 is required to be installed outside a submarine anti-scouring protection area, a flexible protection layer with the length of 2 meters is sleeved at the contact part of the bending limiter 3 and the seabed surface, a second waste tire 9 is connected with a second middle piece 52 to form a stable whole, the second waste tire 9 is tightly attached to the outer surface of the bending limiter 3, and then the flexible protection layer and the bending limiter 3 are covered by the ballast part 6 until the flexible protection layer is 2m outside the anti-scouring protection area.
The above embodiment is only one preferred technical solution of the present invention, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present invention, and all the modifications and substitutions are covered in the protection scope of the present invention.

Claims (6)

1. A submarine cable scouring protection and control integrated system based on junked tires is characterized in that a submarine cable (2) is provided with a bending limiter (3) from the seabed surface to the exposed and suspended section of a submarine cable sleeve (1), and an anti-scouring protection area is arranged at the periphery of a steel pipe pile (8); the method is characterized in that: the anti-scouring protection area is internally provided with first junked tires (4) in a stacked manner, first connecting pieces (51) which are connected with each other are arranged between the adjacent first junked tires (4) so as to form a flexible contact type protection frame for the bending limiter (3), and filler (7) is arranged in a gap space inside the protection frame to form a basic stable type integral protection structure;
the submarine cable (2) is erected on the exposed section part of the surface of the anti-scour protection area, a ballast part (6) is arranged on the exposed section part of the surface of the anti-scour protection area, and a flexible protection layer is sleeved on the bending limiter (3) between the ballast part (6) and the anti-scour protection area so as to form a protection ballast stable state for the bending limiter (3) on the exposed and suspended section submarine cable (2).
2. The integrated junked tire-based submarine cable flush protection and control system of claim 1, wherein: the first connecting piece (51) comprises a first intermediate piece (511) and a first double-half-ring connecting part (512) arranged on the surface of the opposite side of the first intermediate piece (511), and the first double-half-ring connecting part (512) can be connected and matched with the first junked tire (4).
3. The integrated junked tire-based submarine cable flush protection and control system of claim 1, wherein: the coverage area of the ballast part (6) extends to the sea floor outside the integral protective structure.
4. The integrated junked tire-based submarine cable flush protection and control system of claim 1, wherein: the flexible protection layer comprises a first protection section and a second protection section along the laying direction of the submarine cable (2), the first protection section is arranged between the ballast part (6) and the upper surface of the integral protection structure, and the second protection section protrudes towards the part of the direction of the steel pipe pile (8) to form a coverage area of the ballast part (6).
5. The integrated junked tire-based submarine cable flush protection and control system of claim 1, wherein: the flexible protective layer comprises a plurality of second junked tires (9) arranged along the laying direction of the submarine cable (2), and protective channels for the bending limiter (3) to pass through are formed among the through holes in the second junked tires (9); and a second connecting piece (52) for tightly connecting the second junked tires (9) is arranged between the adjacent second junked tires.
6. The integrated junked tire-based submarine cable flush protection and control system of claim 5, wherein: the second connecting piece (52) comprises a second middle piece (521), and a second double-half-ring connecting part (522) is arranged on the same side surface of the second middle piece (521), and the second double-half-ring connecting part (522) can be connected and matched with the second junked tire (9).
CN202310571310.8A 2023-05-16 2023-05-16 Submarine cable scour protection and control integrated system based on junked tires Pending CN116759951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310571310.8A CN116759951A (en) 2023-05-16 2023-05-16 Submarine cable scour protection and control integrated system based on junked tires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310571310.8A CN116759951A (en) 2023-05-16 2023-05-16 Submarine cable scour protection and control integrated system based on junked tires

Publications (1)

Publication Number Publication Date
CN116759951A true CN116759951A (en) 2023-09-15

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ID=87954223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310571310.8A Pending CN116759951A (en) 2023-05-16 2023-05-16 Submarine cable scour protection and control integrated system based on junked tires

Country Status (1)

Country Link
CN (1) CN116759951A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117153462A (en) * 2023-11-01 2023-12-01 南通宝加利新材料有限公司 Flexible ground-attached protective assembly for submarine cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117153462A (en) * 2023-11-01 2023-12-01 南通宝加利新材料有限公司 Flexible ground-attached protective assembly for submarine cable
CN117153462B (en) * 2023-11-01 2023-12-26 南通宝加利新材料有限公司 Flexible ground-attached protective assembly for submarine cable

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