Submarine cable leading-in device for large-diameter single pile body opening

Abstract

The utility model discloses a large-diameter single pile body trepanning submarine cable lead-in device in the technical field of wind power generation, which comprises a single pile body, fastening mechanisms are arranged on two sides of the single pile body, a multifunctional sleeve is arranged in the middle of each fastening mechanism, a submarine cable is mounted in each multifunctional sleeve, and a submarine cable is mounted in each submarine cable. The multifunctional sleeve is connected with the single pile body through a fastening mechanism, the multifunctional sleeve comprises an anti-skid fastening section, the left end of the anti-skid fastening section is connected with a barb fixing section, and the right end of the anti-skid fastening section is connected with an elastic anti-bending deformation section. The multifunctional sleeve is used for protecting and fixing the submarine cable, the fastening mechanism, the barb fixing section and the anti-skid fastening section are arranged in a matched mode, the submarine cable and the single pile body are fixedly connected conveniently, the situation that the submarine cable is abraded due to the fact that the multifunctional sleeve slides is prevented, and the anti-skid effect is achieved through the elastic anti-bending deformation section in a matched mode. Therefore, displacement of the submarine cable outside the pile can be limited, and durability of the submarine cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wind power generation, especially a large diameter single pile pile body trepanning submarine cable leading-in device. BACKGROUND

[0002] In recent years, China is in the golden period of developing offshore wind power, and each coastal province actively starts the nearshore offshore wind power project. At present, single pile foundation is widely used in offshore wind power engineering, and the submarine cable and single pile are connected by adopting the outer sleeve cage scheme, but with the development of offshore wind power to the far distance from the offshore, the sleeve cage design is complex, the engineering quantity is greatly changed, and the processing, transportation and installation difficulty is increased. Compared with the traditional outer sleeve cage scheme connecting the submarine cable and the single pile, the large diameter single pile body trepanning leading-in submarine cable is widely used in offshore wind power engineering due to the characteristics of simple processing and manufacturing, convenient construction and the like.

[0003] However, due to the complex submarine environment, the existing submarine cable connected by perforation will be affected by wave flow and swing back and forth, causing the submarine cable at the single pile opening to repeatedly rub against the pile opening, causing the submarine cable to break and crack, and further affecting the service life of the submarine cable. UTILITARIAN CONTENT

[0004] In order to improve the above-mentioned problem that the existing submarine cable connected by perforation will be affected by wave flow and swing back and forth, causing the submarine cable at the single pile opening to repeatedly rub against the pile opening, causing the submarine cable to break and crack, and further affecting the service life of the submarine cable. The utility model provides a large diameter single pile body trepanning submarine cable leading-in device.

[0005] The utility model provides a large diameter single pile body trepanning submarine cable leading-in device, adopts the following technical scheme:

[0006] A large diameter single pile body trepanning submarine cable leading-in device, including single pile body, the both sides of single pile body are provided with fastening mechanism, the middle part of fastening mechanism is provided with multifunctional sleeve pipe, the inside of multifunctional sleeve pipe is installed with submarine cable, multifunctional sleeve pipe is connected with single pile body through fastening mechanism;

[0007] The multifunctional sleeve pipe includes an anti-skid fastening segment, the middle part of the anti-skid fastening segment penetrates the opening of the single pile body, the two ends of the anti-skid fastening segment are located in the middle part of the two sets of fastening mechanisms, the left end of the anti-skid fastening segment is connected with a barb fixing segment, and the right end of the anti-skid fastening segment is connected with an elastic anti-bending deformation segment.

[0008] By adopting the technical scheme, the multifunctional sleeve is first installed on the submarine cable, the anti-skid fastening segment is fixed on the single-pile pile body through the fastening mechanism, the setting of the barb fixing segment prevents the multifunctional sleeve from sliding to cause abrasion of the submarine cable, and the setting of the elastic anti-bending deformation segment is used to limit the displacement of the submarine cable outside the pile, so that abrasion of the submarine cable caused by friction between the submarine cable and the opening of the single-pile pile body due to the action of ocean movement can be limited, and the durability of the submarine cable is improved.

[0009] Optionally, the fastening mechanism comprises two pile body fixing plates, and a plurality of fixing nuts are screwed between the two pile body fixing plates and the single-pile pile body.

[0010] By adopting the technical scheme, the pile body fixing plates and the single-pile pile body are fixedly connected by screwing the fixing nuts in the corresponding reserved holes.

[0011] Optionally, the side, away from the single-pile pile body, of each of the two pile body fixing plates is welded with a fixing clamp, and a fixing nut is arranged at the top and the bottom of each of the two fixing clamps.

[0012] By adopting the technical scheme, the spacing between the two fixing clamps is adjusted by the fixing nuts, so that different specifications of submarine cables can be clamped and fixed.

[0013] Optionally, the fastening mechanism is made of rust-proof steel material.

[0014] By adopting the technical scheme, the corrosion resistance of the fastening mechanism is effectively improved, and the service life of the fastening mechanism is prolonged.

[0015] Optionally, the end, away from the anti-skid fastening segment, of the barb fixing segment is connected with a front end bending limiter, and the end, away from the anti-skid fastening segment, of the elastic anti-bending deformation segment is connected with a rear end bending limiter.

[0016] By adopting the technical scheme, the problem that the submarine cable is damaged due to friction with the single-pile pile body caused by the action of ocean movement is effectively avoided, and the durability of the submarine cable is improved.

[0017] Optionally, the elastic anti-bending deformation segment is made of polyethylene elastomer material, and the thickness of the elastic anti-bending deformation segment is 10-15 mm.

[0018] By adopting the technical scheme, the elastic anti-bending deformation segment has good elasticity and softness and can withstand large deformation, so that the displacement of the submarine cable outside the pile can be better limited.

[0019] In summary, the utility model has at least one of the following beneficial effects:

[0020] The multifunctional sleeve is used for protecting and fixing the submarine cable, the submarine cable is fixedly connected with the single pile body through the cooperation of the fastening mechanism, the barbed fixing section and the anti-skid fastening section, the abrasion of the submarine cable caused by the sliding of the multifunctional sleeve is prevented, the displacement of the submarine cable outside the pile is limited through the cooperation of the elastic anti-bending deformation section, and the durability of the submarine cable is improved.

[0021] The fastening nuts, the fixing clamps and the pile body fixing plates are cooperatively arranged, so that the distance between the two fixing clamps can be adjusted, different specifications of submarine cables can be clamped and fixed conveniently, and the universality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0024] Figure 2 It is a schematic diagram of the fastening mechanism structure of the present application.

[0025] Figure 3 It is a schematic diagram of the multifunctional sleeve structure of the present application.

[0026] In the drawings: 10, single pile body; 20, fastening mechanism; 21, fastening nut; 22, fixing clamp; 23, pile body fixing plate; 24, fixing nut; 30, multifunctional sleeve; 31, barbed fixing section; 32, anti-skid fastening section; 33, elastic anti-bending deformation section; 34, rear end bending limiter; 35, front end bending limiter. DETAILED DESCRIPTION

[0027] The following will be described in detail in combination with the drawings Figures 1-3 The present application will be further described in detail.

[0028] Please refer to the drawings in the specification Figure 1 and Figure 2The utility model provides a kind of embodiment: a large-diameter single pile pile body trepanning submarine cable introduction device, single pile pile body body 10 is provided with fastening mechanism 20 in both sides of single pile pile body body 10, fastening mechanism 20 includes two pile body fixed plate 23, several fixed nuts 24 are screwed between two pile body fixed plate 23 and single pile pile body body 10, the surface of single pile pile body body 10 is provided with the reserved hole compatible with fixed nut 24.

[0029] Please refer to the drawing in the specification Figure 1 And Figure 2 The middle part of fastening mechanism 20 is provided with multifunctional sleeve 30, submarine cable is installed in multifunctional sleeve 30, both sides of two pile body fixed plate 23 away from single pile pile body body 10 are welded with fixed clamp 22, and the top and bottom of two fixed clamps 22 are provided with fixed nut 21. The spacing between two fixed clamps 22 is adjusted by fixed nut 21, and then different specifications of submarine cable can be clamped and fixed. Fastening mechanism 20 adopts rust-proof steel material. The corrosion resistance of fastening mechanism 20 is effectively improved, and then the service life of fastening mechanism 20 is prolonged.

[0030] Please refer to the drawing in the specification Figure 1 And Figure 3 Multifunctional sleeve 30 is connected with single pile pile body body 10 by fastening mechanism 20. Multifunctional sleeve 30 includes anti-skid fastening section 32, the middle part of anti-skid fastening section 32 penetrates the opening of single pile pile body body 10, both ends of anti-skid fastening section 32 are located in the middle part of two groups of fastening mechanism 20, the left end of anti-skid fastening section 32 is fixedly connected with barb fixed section 31, and the right end of anti-skid fastening section 32 is fixedly connected with elastic bending deformation resistance section 33.

[0031] Please refer to the drawing in the specification Figure 1 And Figure 3 The end of barb fixed section 31 away from anti-skid fastening section 32 is fixedly connected with front end bending limiter 35, and the end of elastic bending deformation resistance section 33 away from anti-skid fastening section 32 is fixedly connected with rear end bending limiter 34. The problem that submarine cable is damaged by friction with trepanned single pile pile body body 10 due to ocean movement is effectively avoided, and the durability of submarine cable is improved. Elastic bending deformation resistance section 33 adopts polyethylene elastomer material, and the thickness of elastic bending deformation resistance section 33 is 10-15mm. Elastic bending deformation resistance section 33 has good elasticity and softness, and can bear larger deformation, so as to better limit the displacement of external submarine cable of pile.

[0032] Working principle: in use, first, the multifunctional sleeve 30 is installed on the submarine cable, second, the anti-skid fastening section 32 on the multifunctional sleeve 30 is placed between the two fixed clamps 22, and the distance between the two fixed clamps 22 is adjusted through the fastening nuts 21 until the anti-skid fastening section 32 is clamped and fixed, finally, the pile body fixing plate 23 is fixed on the single pile body 10 through the fixing nuts 24, that is, the installation is completed.

[0033] The barbs on the barbed fixing section 31 are used to fix the multifunctional sleeve 30 on the single pile body 10 to prevent sliding and abrasion, the elastic anti-bending deformation section 33 is used to limit the displacement of the external submarine cable, and the rear end bending limiter 34 and the front end bending limiter 35 work together to effectively avoid the problem that the submarine cable is damaged by the friction with the open-hole single pile due to the action of ocean movement, and improve the durability of the submarine cable.

[0034] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A large diameter monopile pile body cutout subsea cable lead-in device comprising a monopile pile body body (10) characterised in that: The single pile body (10) is provided with a fastening mechanism (20) on both sides, the middle part of the fastening mechanism (20) is provided with a multifunctional sleeve (30), the inside of the multifunctional sleeve (30) is mounted with a submarine cable, and the multifunctional sleeve (30) is connected with the single pile body (10) through the fastening mechanism (20); The multifunctional sleeve (30) comprises an anti-skid fastening segment (32), the middle part of the anti-skid fastening segment (32) penetrates the opening of the single pile body (10), both ends of the anti-skid fastening segment (32) are located in the middle part of the two groups of fastening mechanisms (20), the left end of the anti-skid fastening segment (32) is connected with a barb fixing segment (31), and the right end of the anti-skid fastening segment (32) is connected with an elastic anti-bending deformation segment (33).

2. A large diameter monopile pile opening cable lead-in device according to claim 1, characterized in that: The fastening mechanism (20) comprises two pile body fixing plates (23), a plurality of fixing nuts (24) are screwed between the two pile body fixing plates (23) and the single pile body (10), and the surface of the single pile body (10) is provided with a reserved hole matched with the fixing nut (24).

3. A large diameter monopile pile opening cable lead-in device according to claim 2, characterised in that: The side, away from the single pile body (10), of each of the two pile body fixing plates (23) is welded with a fixing clamp (22), and the top and bottom of each of the two fixing clamps (22) is provided with a fastening nut (21).

4. A large diameter monopile pile opening cable lead-in device according to claim 1, characterized in that: The fastening mechanism (20) is made of rust-proof steel material.

5. A large diameter monopile pile opening cable lead-in device according to claim 1, characterized in that: The end, away from the anti-skid fastening segment (32), of the barb fixing segment (31) is connected with a front end bending limiter (35), and the end, away from the anti-skid fastening segment (32), of the elastic anti-bending deformation segment (33) is connected with a rear end bending limiter (34).

6. A large diameter monopile pile opening cable lead-in device according to claim 1, characterized in that: The elastic anti-bending deformation segment (33) is made of polyethylene elastomer material, and the thickness of the elastic anti-bending deformation segment (33) is 10-15 mm.

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