Submarine cable protection device

Abstract

The submarine cable protection device comprises a first sleeve body and a second sleeve body which are sequentially connected from top to bottom, the first sleeve body is provided with a first axis, the second sleeve body is provided with a second axis, and the first axis is obliquely arranged relative to the second axis; a first channel is arranged in the first sleeve body in a penetrating mode, a second channel is arranged in the second sleeve body in a penetrating mode, and the first channel communicates with the second channel. The first channel at least comprises a first part and a second part which are sequentially arranged along the first axis, the inner diameter of the first part is gradually increased in the direction close to the second part, and the inner diameter of the end, close to the second part, of the first part is larger than that of the second part. Through the application of the submarine cable protection device, the submarine cable protection device suitable for the submarine cable protection pipe, especially a J-shaped submarine cable protection pipe is provided, the submarine cable protection device can be stably matched with the end portion of the submarine cable protection pipe, the submarine cable on the inner side is reliably limited and fixed, and effective protection of the submarine cable is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of submarine cable protection, in particular to a submarine cable protection device. Background Art

[0002] At present, in offshore wind power projects, J-type protective tubes are generally used on offshore substations or wind turbine pile legs to protect submarine cables. Specifically, during construction, the submarine cable is inserted upward from the bottom bell mouth of the J-type protective tube and pulled to the platform.

[0003] At the same time, in order to further protect the submarine cable at the bell-mouth of the J-type protective tube, accessories such as center clamps and bend limiters will be installed to minimize damage caused by objective factors such as water scouring and shaking, displacement caused by changes in seabed topography, and external damage. However, the construction process of the center clamp and bend limiter involved in this protection method is cumbersome and requires high process accuracy of the accessories, which directly affects the cost and efficiency of submarine cable layout. Utility Model Content

[0004] In view of this, in order to solve the above problems, the purpose of the utility model is to provide a submarine cable protection device, comprising: a first sleeve and a second sleeve connected in sequence from top to bottom, the first sleeve having a first axis, the second sleeve having a second axis, and the first axis being inclined relative to the second axis;

[0005] A first channel is provided through the first sleeve, a second channel is provided through the second sleeve, and the first channel is connected to the second channel;

[0006] The first channel includes at least a first part and a second part arranged in sequence along the first axis, the first part is arranged with an inner diameter gradually increasing in a direction approaching the second part, and the inner diameter of one end of the first part close to the second part is larger than the inner diameter of the second part.

[0007] In another preferred embodiment, it further comprises: a protective tube and a submarine cable, wherein one end of the protective tube extends into the first casing, the submarine cable is arranged on the inner side of the protective tube, and the submarine cable passes through the first casing and the second casing in sequence.

[0008] In another preferred embodiment, a bell mouth is formed at the lower end of the protection tube, and the outer contour of the bell mouth matches the inner contour of the first part.

[0009] In another preferred embodiment, the second sleeve body comprises: a first surrounding wall and a second surrounding wall, and the first surrounding wall and the second surrounding wall are connected and arranged along a direction perpendicular to the second axis.

[0010] In another preferred embodiment, the first sleeve body comprises: a first annular portion and a second annular portion, and the first annular portion and the second annular portion are engaged with each other along a direction perpendicular to the first axis.

[0011] In another preferred embodiment, the first sleeve further includes: a first connecting assembly and a second connecting assembly, the first connecting assembly is used to connect one end of the first annular portion and one end of the second annular portion, and the second connecting assembly is used to connect the other end of the first annular portion and the other end of the second annular portion.

[0012] In another preferred embodiment, the first connecting component and / or the second connecting component includes: a first extension portion, a second extension portion and a locking piece, the first extension portion is fixedly connected to the first annular portion, the second extension portion is fixedly connected to the second annular portion, and the first extension portion and the second extension portion are detachably connected via the locking piece.

[0013] In another preferred embodiment, the first connecting assembly and / or the second connecting assembly further comprises: a hinge assembly, wherein the hinge assembly is used to rotatably connect the first annular portion and the second annular portion.

[0014] In another preferred embodiment, the surfaces of the first casing and the second casing are both provided with an anti-corrosion paint layer.

[0015] In another preferred embodiment, a zinc block anti-corrosion device is provided on the outer side of the first casing and / or the second casing.

[0016] Due to the adoption of the above technical solution, the utility model has the following positive effects compared with the prior art:

[0017] Through the application of the utility model, a submarine cable protection device suitable for a submarine cable protection tube, especially a J-type submarine cable protection tube, is provided, which can be stably matched at the end of the submarine cable protection tube and reliably limit and fix the inner submarine cable, thereby achieving effective protection of the submarine cable; the utility model is easy to install and has a low construction cost, which is conducive to further improving the installation and construction efficiency of the submarine cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a first schematic diagram of a submarine cable protection device of the utility model;

[0019] Figure 2 This is a second schematic diagram of a submarine cable protection device of the utility model;

[0020] Figure 3 This is a third schematic diagram of a submarine cable protection device of the present utility model.

[0021] In the attached figure:

[0022] 1. First sleeve; 2. Second sleeve; 3. First channel; 4. Second channel; 5. First part; 6. Second part; 7. Protective tube; 8. Bell mouth; 9. First surrounding wall; 10. Second surrounding wall; 11. First annular portion; 12. Second annular portion; 13. First connecting component; 14. Second connecting component; 15. First extension portion; 16. Second extension portion; 17. Hinge component. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 3 As shown, a submarine cable protection device of a preferred embodiment is shown, comprising: a first casing 1 and a second casing 2 connected in sequence from top to bottom, the first casing 1 having a first axis, the second casing 2 having a second axis, the first axis being arranged obliquely relative to the second axis; a first channel 3 being arranged through the first casing 1, a second channel 4 being arranged through the second casing 2, the first channel 3 being arranged in communication with the second channel 4; the first channel 3 at least comprising a first portion 5 and a second portion 6 arranged in sequence along the first axis, the first portion 5 being arranged with an inner diameter gradually increasing in a direction close to the second portion 6, the inner diameter of one end of the first portion 5 close to the second portion 6 being greater than the inner diameter of the second portion 6. Further, the submarine cable protection device can be supported and fixed by the first casing 1 being sleeved on the end of the protection tube 7 of the submarine cable, and the submarine cable body is bound by the second tube body after passing through the protection tube 7, thereby forming a stable guide and fixation.

[0025] Furthermore, as a preferred embodiment, the first housing 1 and the second housing 2 are both made of steel.

[0026] Furthermore, as a preferred embodiment, it also includes: a protective tube 7 and a submarine cable, one end of the protective tube 7 is extended into the first sleeve 1, the submarine cable is arranged on the inner side of the protective tube 7, and the submarine cable passes through the first sleeve 1 and the second sleeve 2 in sequence.

[0027] Further, as a preferred embodiment, a bell mouth 8 is formed at the lower end of the protection tube 7 , and the outer contour of the bell mouth 8 matches the inner contour of the first part 5 .

[0028] Furthermore, as a preferred embodiment, the bell mouth 8 is arranged with its outer diameter gradually increasing in a direction approaching the second sleeve body 2 .

[0029] Further, as a preferred embodiment, an upwardly disposed annular contact surface is formed at the connection between the second portion 6 and the first portion 5, and the lower end of the bell mouth 8 abuts against the annular contact surface.

[0030] Further, as a preferred embodiment, the first sleeve 1 includes a conical sleeve and a base plate arranged in sequence along the first axis, the eccentric position of the base plate is formed with the above-mentioned second part 6 through an opening, the conical sleeve is arranged as a sleeve body connected up and down, the outer contour size of the conical sleeve is gradually increased from top to bottom, and the inside of the conical sleeve is formed with the above-mentioned first part 5.

[0031] Further, as a preferred embodiment, the second housing 2 comprises: a first surrounding wall 9 and a second surrounding wall 10, and the first surrounding wall 9 and the second surrounding wall 10 are connected and arranged along a direction perpendicular to the second axis.

[0032] Further, as a preferred embodiment, the first sleeve body 1 includes: a first annular portion 11 and a second annular portion 12, and the first annular portion 11 and the second annular portion 12 are connected and arranged along a direction perpendicular to the first axis.

[0033] Further, as a preferred embodiment, the first annular portion 11 is fixedly connected to the first surrounding wall 9 , and the second annular portion 12 is fixedly connected to the second surrounding wall 10 .

[0034] Furthermore, as a preferred embodiment, the first sleeve 1 also includes: a first connecting component 13 and a second connecting component 14, the first connecting component 13 is used to connect one end of the first annular portion 11 and one end of the second annular portion 12, and the second connecting component 14 is used to connect the other end of the first annular portion 11 and the other end of the second annular portion 12.

[0035] Further, as a preferred embodiment, the first connection assembly 13 and / or the second connection assembly 14 includes: a first extension 15, a second extension 16 and a locking member, the first extension 15 is fixedly connected to the first annular portion 11, the second extension 16 is fixedly connected to the second annular portion 12, and the first extension 15 and the second extension 16 are detachably connected via the locking member. Further, during construction and installation, the submarine cable protection device can be disassembled into two semi-annular parts by operating the locking member, each semi-annular part includes a corresponding surrounding wall and annular part, so as to facilitate adaptation with the submarine cable and the protection tube 7.

[0036] Further, as a preferred embodiment, the first extension portion 15 and the second extension portion 16 are both arranged to extend radially outward relative to the first sleeve body 1 .

[0037] Further, as a preferred embodiment, the first extension portion 15 and the second extension portion 16 are respectively provided with opposite locking holes, and the above-mentioned locking member is preferably a locking bolt, which connects the two locking holes to unlockably fasten the first extension portion 15 and the second extension portion 16.

[0038] Further, as a preferred embodiment, the first connecting assembly 13 and / or the second connecting assembly 14 further comprises: a hinge assembly 17, and the hinge assembly 17 is used to rotatably connect the first annular portion 11 and the second annular portion 12. Further, during the installation and disassembly process, the hinge assembly 17 can be used to allow the first annular portion 11 to be rotatably opened relative to the second annular portion 12.

[0039] Further, as a preferred embodiment, the hinge assembly 17 includes: at least one first connecting cylinder, at least one second connecting cylinder and a connecting pin, the first connecting cylinder is fixed on the first extension portion 15, the second connecting cylinder is fixed on the second extension portion 16, the first connecting cylinder and the second connecting cylinder are coaxially arranged, and the connecting pin passes through the first connecting cylinder and the second connecting cylinder to form a rotating connection.

[0040] Further, as a preferred embodiment, two first connecting tubes are preferably provided, and the two first connecting tubes are respectively provided at the upper end and the lower end of the second connecting tube.

[0041] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention.

[0042] The utility model also has the following implementation methods based on the above:

[0043] In a further embodiment of the utility model, the upper end of the second sleeve 2 extends radially outward to form a flange structure, and the second tube 2 is fixed to the lower end of the first sleeve 1 by the flange structure and bolts.

[0044] In a further embodiment of the present invention, the flange structure and the lower end surface of the first sleeve body 1 are further connected by welding.

[0045] In a further embodiment of the present invention, an angle is formed between the first axis and the second axis, and the angle is preferably 115 degrees.

[0046] In a further embodiment of the utility model, the surfaces of the first casing 1 and the second casing 2 are both provided with an anti-corrosion paint layer.

[0047] In a further embodiment of the utility model, a zinc block anti-corrosion device is provided on the outer side of the first casing 1 and / or the second casing 2. Further, the zinc block anti-corrosion device comprises at least a plurality of zinc blocks directly fixed on the outer surfaces of the first casing 1 and the second casing 2 to reduce the corrosion of the submarine cable protection device by seawater.

[0048] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A submarine cable protection device, characterized in that: include: A first sleeve and a second sleeve are connected in sequence from top to bottom, the first sleeve has a first axis, the second sleeve has a second axis, and the first axis is inclined relative to the second axis; A first channel is provided through the first sleeve, a second channel is provided through the second sleeve, and the first channel is connected to the second channel; The first channel includes at least a first part and a second part arranged in sequence along the first axis, the first part is arranged with an inner diameter gradually increasing in a direction approaching the second part, and the inner diameter of one end of the first part close to the second part is larger than the inner diameter of the second part.

2. The submarine cable protection device according to claim 1, characterized in that: Also includes: A protective tube and a submarine cable, wherein one end of the protective tube extends into the first casing and is arranged inside the protective tube, and the submarine cable is arranged inside the protective tube, and the submarine cable passes through the first casing and the second casing in sequence.

3. The submarine cable protection device according to claim 2, characterized in that: A bell mouth is formed at the lower end of the protection tube, and the outer contour of the bell mouth matches the inner contour of the first part.

4. The submarine cable protection device according to claim 1, characterized in that: The second sleeve body includes: a first surrounding wall and a second surrounding wall, wherein the first surrounding wall and the second surrounding wall are connected and arranged along a direction perpendicular to the second axis.

5. The submarine cable protection device according to claim 1, characterized in that: The first sleeve body includes a first annular portion and a second annular portion, wherein the first annular portion and the second annular portion are connected and arranged along a direction perpendicular to the first axis.

6. The submarine cable protection device according to claim 5, characterized in that: The first sleeve also includes: a first connecting assembly and a second connecting assembly, the first connecting assembly is used to connect one end of the first annular portion and one end of the second annular portion, and the second connecting assembly is used to connect the other end of the first annular portion and the other end of the second annular portion.

7. The submarine cable protection device according to claim 6, characterized in that: The first connecting component and / or the second connecting component includes: a first extension part, a second extension part and a locking piece, the first extension part is fixedly connected to the first annular part, the second extension part is fixedly connected to the second annular part, and the first extension part and the second extension part are detachably connected via the locking piece.

8. The submarine cable protection device according to claim 7, characterized in that: The first connecting assembly and / or the second connecting assembly further includes: a hinge assembly, and the hinge assembly is used to rotatably connect the first annular portion and the second annular portion.

9. The submarine cable protection device according to claim 1, characterized in that: The surfaces of the first casing and the second casing are both provided with an anti-corrosion paint layer.

10. The submarine cable protection device according to claim 1, characterized in that: A zinc block anti-corrosion device is arranged on the outer side of the first casing and / or the second casing.

Images