A roller type submarine cable water entry guide

Abstract

This utility model relates to a roller-type submarine cable entry guide device, comprising a central entry trough module and side entry trough modules respectively installed in the middle and on both sides of the stern of a cable-laying vessel; the central entry trough module has a central empty trough and a towing wire rope entry wheel in its center; the side entry trough modules include a left segment module and a right segment module symmetrically arranged on both sides of the central entry trough module; edge empty troughs and umbilical cable entry wheels are respectively provided on the edges of the left and right segment modules; a main channel cable entry wheel and a secondary channel cable entry wheel are respectively arranged between the left and right segment modules and the central entry trough module. This roller-type submarine cable entry guide device can lay multiple different types of submarine cables, has good versatility, high construction efficiency, and low cost.

Description

Technical Field

[0001] This utility model relates to a roller-type submarine cable water entry guide device, belonging to the technical field of submarine cable laying devices. Background Technology

[0002] With the development of offshore wind power and communication technologies, submarine cables and optical cables, as the main transmission components for offshore power transmission and long-distance communication, require specialized cable-laying vessels and burial plows to lay them on the seabed. During cable laying, the cable-laying vessel relies on a pulley structure at the stern to guide the cable into the water. Because submarine cables vary significantly in different application environments, the guiding device for cable entry needs to be adaptable to the laying requirements of various cable types to ensure successful cable laying. Existing cable-laying vessels have relatively simple cable entry guide pulleys, which are only suitable for guiding simple cables and have poor versatility. When laying multiple submarine cables, it is necessary to change to a different cable-laying vessel, leading to increased construction costs and reduced construction efficiency.

[0003] Therefore, there is an urgent need for a versatile, cost-effective, and efficient roller-type submarine cable entry guide device that can adapt to the laying of various submarine cables. Summary of the Invention

[0004] The purpose of this utility model is to overcome the above-mentioned shortcomings and provide a roller-type submarine cable water entry guide device, which can lay different types of submarine cables, has good versatility, high construction efficiency and low cost.

[0005] The purpose of this utility model is achieved as follows:

[0006] A roller-type submarine cable water entry guide device includes a central water entry trough module installed in the middle of the stern of the cable-laying vessel and side water entry trough modules installed on both sides of the stern of the cable-laying vessel.

[0007] The middle water inlet module is provided with a middle empty trough and a drag wire rope water inlet wheel for the passage and water inlet guidance of the drag wire rope of the burial plow.

[0008] The side water inlet module includes a left segment module and a right segment module symmetrically arranged on both sides of the middle water inlet module. Edge slots and umbilical cable water inlet wheels are respectively provided on the edge of the left and right segment modules, for the passage and water inlet guidance of the left and right umbilical cables, respectively. A main channel cable water inlet wheel and a secondary channel cable water inlet wheel are respectively provided between the left and right segment modules and the middle water inlet module, for the passage and water inlet guidance of the main and secondary channel cables, respectively.

[0009] Furthermore, the intermediate water inlet module is divided into a symmetrically arranged left-middle segment module and a right-middle segment module. The main channel cable water inlet wheel is located in the gap between the left-middle segment module and the left-middle segment module, and the secondary channel cable water inlet wheel is located in the gap between the right-middle segment module and the right-middle segment module.

[0010] Furthermore, the left-middle section module, right-middle section module, left-side section module, and right-side section module are all fixed to the stern of the cable-laying vessel with bolts.

[0011] Furthermore, vertical rollers are installed in the middle slot at the point where the towing wire rope enters the water wheel and exits, so that they are not affected when the ship is towed and turned.

[0012] Furthermore, an anti-slip rope device is installed above the main channel cable entry wheel or the secondary channel cable entry wheel to prevent the cable from detaching from the main or secondary channel during the water entry process.

[0013] Furthermore, the anti-jump rope device is a straight rod fixed between the middle water inlet module and the side water inlet module and spans across the water inlet wheel, with a wear-resistant nylon tube fitted on the straight rod.

[0014] Furthermore, wear-resistant plates are provided on both outer side walls of the intermediate water inlet module and on the inner side wall of the side water inlet module.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This utility model adopts a modular design with a central water inlet module and a side water inlet module. Different cable channels and cable water inlet wheels are set on each module and between the modules, which meets the guidance requirements when multiple cables are laid in water at the same time. It has good versatility and can be adapted to a variety of different construction scenarios without the need to replace a dedicated cable laying vessel, thereby reducing construction costs and improving construction efficiency. The modular design makes it easy to disassemble and replace with other functional modules, thus expanding the uses of the cable laying vessel. Attached Figure Description

[0017] Figure 1 This is an isometric view of a roller-type submarine cable water entry guide device according to the present invention.

[0018] Figure 2 This is a front view structural diagram of a roller-type submarine cable water entry guide device according to the present invention.

[0019] Figure 3 This is a top view of the structure of a roller-type submarine cable water entry guide device according to this utility model.

[0020] Figure 4 This is a rear view structural schematic diagram of a roller-type submarine cable water entry guide device according to the present invention.

[0021] Figure 5 This is a schematic diagram of the anti-skid rope device structure of a roller-type submarine cable water entry guide device according to this utility model.

[0022] in:

[0023] 1. Middle water inlet trough module; 2. Side water inlet trough module; 3. Vertical roller; 4. Anti-jump rope device; 5. Wear-resistant plate;

[0024] 11. Middle empty groove, 12. Drag wire rope water inlet wheel, 13. Left middle segment module, 14. Right middle segment module, 21. Left side segment module, 22. Right side segment module, 23. Edge empty groove, 24. Umbilical cable water inlet wheel, 25. Main channel cable water inlet wheel, 26. Secondary channel cable water inlet wheel, 41. Straight rod, 42. Wear-resistant nylon tube. Detailed Implementation

[0025] See Figures 1-5 The present invention relates to a roller-type submarine cable water entry guide device, comprising a middle water entry trough module 1 and a side water entry trough module 2 respectively installed in the middle and on both sides of the stern of the cable-laying vessel.

[0026] The side water inlet module 2 includes a left segment module 21 and a right segment module 22 symmetrically arranged on both sides of the middle water inlet module 1. Edge slots 23 and umbilical cable water inlet wheels 24 are respectively provided on the edges of the left and right segment modules 21 and 22, for the passage and water inlet guidance of the left and right umbilical cables, respectively. A main channel cable water inlet wheel 25 and a secondary channel cable water inlet wheel 26 are respectively provided between the left and right segment modules 21 and the middle water inlet module 1, for the passage and water inlet guidance of the main and secondary channel cables, respectively.

[0027] The intermediate water inlet module 1 is provided with an intermediate empty trough 11 and a towing wire rope water inlet wheel 12 in the middle, which is used for the passage and water inlet guidance of the wire rope of the towing burial plow. A vertical roller 3 is set on the intermediate empty trough 11 at the position where the towing wire rope water inlet wheel 12 exits the rope, so that it is not affected when the ship tows and turns, ensuring that the burial plow works normally.

[0028] In this embodiment, the intermediate water inlet module 1 is divided into a symmetrically arranged left-middle segment module 13 and a right-middle segment module 14. The intermediate empty trough 11 and the drag wire rope water inlet wheel 12 are both located between the two segment modules. The main channel cable water inlet wheel 25 is located in the gap between the left-side segment module 21 and the left-middle segment module 13, and the secondary channel cable water inlet wheel 26 is located in the gap between the right-side segment module 22 and the right-middle segment module 14. An anti-slip rope device 4 is provided above the main channel cable water inlet wheel 25 or the secondary channel cable water inlet wheel 26 to prevent the cable from detaching from the main or secondary channel during water entry. The anti-slip rope device 4 is a straight rod 41 fixed between the intermediate water inlet module 1 and the side water inlet module 2 and spanning above the water inlet wheel. A wear-resistant nylon tube 42 is fitted on the straight rod 41 to protect the cable from being scratched. Wear-resistant plates 5 are provided on the two outer side walls of the intermediate water inlet module 1 and the inner side wall of the side water inlet module 2 to improve the service life of the module.

[0029] The cable-laying vessel employs four modules—left-side segment module 21, left-middle segment module 13, right-middle segment module 14, and right-side segment module 22—that are bolted together from left to right at the stern. Firstly, different cable channels and cable entry wheels can be installed on and between these modules, meeting the guiding requirements when multiple cables are laid simultaneously. This design offers good versatility, adapting to various construction scenarios without requiring a dedicated cable-laying vessel, thus reducing construction costs and improving efficiency. Secondly, the modular design facilitates disassembly and replacement with other functional modules, expanding the vessel's applications.

[0030] Additionally, it should be noted that the above-described specific implementation is merely an optimized solution of this patent, and any modifications or improvements made by those skilled in the art based on the above concept are within the scope of protection of this patent.

Claims

1. A roller-type submarine cable water entry guide, characterised in that: It includes a central water inlet module (1) installed in the middle of the stern of the cable-laying vessel and side water inlet modules (2) installed on both sides of the stern of the cable-laying vessel. The middle water inlet module (1) is provided with a middle empty trough (11) and a drag wire rope water inlet wheel (12) for dragging the wire rope of the buried plow to pass through and guide the water inlet. The side water inlet module (2) includes a left segment module (21) and a right segment module (22) symmetrically arranged on both sides of the middle water inlet module (1); an edge slot (23) and an umbilical cable water inlet wheel (24) are respectively provided on the edge of the body of the left segment module (21) and the right segment module (22), which are used for the passage of the left and right umbilical cables and the water inlet guidance, respectively; a main channel cable water inlet wheel (25) and a secondary channel cable water inlet wheel (26) are respectively provided between the left segment module (21) and the right segment module (22) and the middle water inlet module (1), which are used for the passage of the main and secondary channel cables and the water inlet guidance, respectively.

2. A roller-type submarine cable water entry guide according to claim 1, characterised in that: The intermediate water inlet module (1) is divided into a left middle section module (13) and a right middle section module (14) arranged symmetrically. The main channel cable water inlet wheel (25) is set in the gap between the left middle section module (21) and the left middle section module (13), and the secondary channel cable water inlet wheel (26) is set in the gap between the right middle section module (22) and the right middle section module (14).

3. A roller-type submarine cable water entry guide according to claim 2, characterised in that: The left middle section module (13), right middle section module (14), left side section module (21), and right side section module (22) are all fixed to the stern of the cable-laying vessel by bolts.

4. A roller-type submarine cable water entry guide according to claim 1, characterised in that: A vertical roller (3) is installed on the middle slot (11) at the exit position of the towing wire rope entry wheel (12), so that it is not affected when the ship is towed and turned.

5. A roller-type submarine cable water entry guide according to claim 1, characterised in that: An anti-slip rope device (4) is installed above the main channel cable entry wheel (25) or the secondary channel cable entry wheel (26) to prevent the cable from detaching from the main or secondary channel during the water entry process.

6. A roller-type submarine cable water entry guide according to claim 5, characterised in that: The anti-jump rope device (4) is a straight rod (41) fixed between the middle water inlet module (1) and the side water inlet module (2) and spans across the water inlet wheel. A wear-resistant nylon tube (42) is fitted on the straight rod (41).

7. A roller-type submarine cable water entry guide according to claim 1, characterised in that: Wear-resistant plates (5) are provided on the two outer side walls of the middle water inlet module (1) and the inner side wall of the side water inlet module (2).

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