CN217419725U - Embedded segmental type submarine cable protection pipe structure used in offshore wind power jacket foundation - Google Patents
Embedded segmental type submarine cable protection pipe structure used in offshore wind power jacket foundation Download PDFInfo
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- CN217419725U CN217419725U CN202220890155.7U CN202220890155U CN217419725U CN 217419725 U CN217419725 U CN 217419725U CN 202220890155 U CN202220890155 U CN 202220890155U CN 217419725 U CN217419725 U CN 217419725U
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Abstract
The utility model discloses an embedded festival segmentation submarine cable protective tube structure for in marine wind power jacket basis, its characterized in that: the jacket comprises a foundation pile and a plurality of jacket main steel pipes fixedly arranged on the foundation pile, wherein a transition section is fixedly arranged at the upper part of each jacket main steel pipe, an upper section of a submarine cable protection pipe and a lower section of the submarine cable protection pipe which are not mutually connected are arranged at the local section in the jacket main steel pipe, the upper end of the upper section of the submarine cable protection pipe penetrates out of the upper end of the transition section, the lower end of the lower section of the submarine cable protection pipe penetrates out of the lower part of the jacket main steel pipe, and a submarine cable penetrates between the upper section of the submarine cable protection pipe and the lower section of the submarine cable protection pipe; the utility model can effectively reduce the wave current load of the main structure and the arrangement difficulty of the submarine cable protection pipe through the arrangement of the embedded submarine cable protection pipe; the scheme can save the length of the submarine cable protection pipe at the middle section, greatly reduce the steel consumption of the submarine cable protection pipe and save the cost.
Description
The technical field is as follows:
the utility model belongs to the technical field of ocean engineering and wind power generation, concretely relates to embedded festival segmentation submarine cable protective tube structure for in marine wind power jacket basis.
Background art:
the wind energy is one of the most mature power generation modes with the most scale development condition and the most commercial development prospect in the field of new energy resources as an efficient and clean energy source, the jacket foundation has remarkable advantages in a deep water environment, and has a large-scale application trend in the domestic offshore wind power field; the offshore wind power equipment needs to be connected with submarine cables to realize transmission of electric power, signals and the like, the traditional method is that a submarine cable protection pipe is arranged on the periphery of the submarine cable, the submarine cable protection pipe is arranged outside a jacket, the height of the jacket foundation is generally higher in deep water sea areas, the submarine cable protection pipe is arranged outside the jacket to increase wave current load borne by a structure, meanwhile, the arrangement difficulty of the structure is increased, in addition, the submarine cable protection pipe is arranged outside the jacket and is directly corroded by seawater or sea wind all the year round in consideration of the fact that the outer surface of the submarine cable protection pipe is coated with anticorrosive paint, and therefore the use cost of the anticorrosive paint is needed, and the construction time is also increased; further, the length of the submarine cable protecting pipe is longer than the length of the jacket main steel pipe, so that a large cost of the submarine cable protecting pipe is required.
The utility model has the following contents:
an object of the utility model is to provide an embedded festival segmentation sea cable protective tube structure for in marine wind power jacket basis, this embedded festival segmentation sea cable protective tube structure for in marine wind power jacket basis can effectively reduce the wave current load of marine wind power jacket basis major structure, reduces the length of sea cable protective tube, saves the cost.
The utility model discloses be used in embedded festival segmentation submarine cable protective tube structure in marine wind power jacket basis, its characterized in that: the jacket main steel pipe is fixedly provided with a transition section at the upper part, an upper section of a submarine cable protection pipe and a lower section of the submarine cable protection pipe which are not connected with each other are arranged at a local section in the jacket main steel pipe body, the upper end of the upper section of the submarine cable protection pipe penetrates out of the upper end of the transition section, the lower end of the lower section of the submarine cable protection pipe penetrates out of the lower part of the jacket main steel pipe, and a submarine cable penetrates between the upper section of the submarine cable protection pipe and the lower section of the submarine cable protection pipe.
Furthermore, the transition section comprises a transition section supporting tube fixedly arranged on the side portion of the transition section, the upper section of the submarine cable protection tube is fixed in the transition section supporting tube body through a fixing piece, the upper end of the upper section of the submarine cable protection tube penetrates out of the transition section supporting tube, and a submarine cable protection tube flange is arranged at the upper end head of the upper section of the submarine cable protection tube.
Furthermore, the lower section of the submarine cable protection pipe comprises an inner section of the submarine cable protection pipe located in the lower portion of the jacket main steel pipe and an extension section of the submarine cable protection pipe penetrating out of the lower portion of the jacket main steel pipe, the ends of the inner section of the submarine cable protection pipe and the extension section of the submarine cable protection pipe are both flared, and the extension section of the submarine cable protection pipe is fixed to the foundation pile through a fixing piece.
Furthermore, the fixing piece comprises a submarine cable protection pipe sleeve, a submarine cable protection pipe supporting steel pipe and a submarine cable protection pipe supporting steel plate, the submarine cable protection pipe sleeve is fixedly sleeved on the upper segment of the submarine cable protection pipe or the periphery of the extension section of the submarine cable protection pipe, the submarine cable protection pipe supporting steel pipe is vertically and fixedly connected with the submarine cable protection pipe sleeve, the submarine cable protection pipe supporting steel pipe is vertically and fixedly connected with the submarine cable protection pipe supporting steel plate, and the submarine cable protection pipe supporting steel plate is fixed on the surface of the foundation pile or the inner wall surface of the transition section supporting pipe.
Furthermore, an inclined pipe rod is obliquely arranged between every two upper jacket main steel pipes.
Furthermore, the upper section of the submarine cable protecting pipe and the lower section of the submarine cable protecting pipe respectively occupy 0.1-0.3 of the total length of the main steel pipe of the jacket.
The utility model discloses embedded festival segmentation sea cable protection tube structure for in marine wind power jacket basis only has local section to be equipped with section on the sea cable protection tube and section under the sea cable protection tube through jacket main steel pipe is internal, makes the length of sea cable protection tube shorten greatly, saves material cost, and section and sea cable protection tube lower segment are fixed in the inside of jacket main steel pipe on the sea cable protection tube to make the sea cable protection tube directly not expose outside, thereby reduced the wave current load of major structure.
The utility model discloses a show the effect:
(1) through the arrangement of the embedded submarine cable protection pipe, the wave current load of the main body structure can be effectively reduced, and the arrangement difficulty of the submarine cable protection pipe is reduced;
(2) compared with the submarine cable protection pipe in the main pipe of other jacket, the scheme adopts the whole-section arrangement scheme, the length of the submarine cable protection pipe in the middle section can be saved, the steel consumption of the submarine cable protection pipe is greatly reduced, and the scheme is better in economy particularly in the deep water environment;
(3) the upper section of the submarine cable protection pipe directly extends out of the upper platform of the transition section through the support pipe of the transition section, so that the space platform at the upper part of the transition section is effectively utilized to carry out submarine cable drawing operation, and the construction difficulty of drawing the submarine cable at sea is greatly reduced.
Description of the drawings:
fig. 1 is a schematic sectional structure of the present invention;
FIG. 2 is a schematic view of the construction of section A of FIG. 1;
FIG. 3 is a schematic view of the construction of part B of FIG. 1;
FIG. 4 is a schematic view of the construction of section C of FIG. 1;
the specific implementation mode is as follows:
in order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
The utility model discloses an embedded festival segmentation submarine cable protective tube structure for in marine wind power jacket basis, establish a plurality of jacket main steel pipes 2 on foundation pile 1 including foundation pile 1 and fixed, this foundation pile 1 can be concrete pile, the steel-pipe pile etc. of pouring at the seabed, and the tip welds or pours to fix in foundation pile 1 under jacket main steel pipe 2.
The upper part of the jacket main steel pipe 2 is fixedly provided with a transition section 3, a local section in the jacket main steel pipe 2 is provided with an upper section 4 of a submarine cable protection pipe and a lower section 5 of the submarine cable protection pipe which are not connected with each other, the upper section and the lower section of the submarine cable protection pipe respectively account for 0.1-0.3 of the total length of the jacket main steel pipe, and the lengths of the upper section and the lower section of the submarine cable protection pipe are 2-6 meters.
The upper section 4 of the submarine cable protection pipe and the lower section 5 of the submarine cable protection pipe can be seamless steel pipes, stainless steel pipes or galvanized pipes and the like, the upper end of the upper section 4 of the submarine cable protection pipe penetrates out of the upper end of the transition section, the lower end of the lower section 5 of the submarine cable protection pipe penetrates out of the lower part of the main steel pipe of the jacket, a submarine cable 6 penetrates through the position between the upper section 4 of the submarine cable protection pipe and the lower section 5 of the submarine cable protection pipe, the upper section 4 of the submarine cable protection pipe and the lower section 5 of the submarine cable protection pipe which are positioned in the main steel pipe 2 of the jacket and the transition section 3 of the jacket are sealed in the main steel pipe of the jacket or the transition section, and sealing can be achieved through waterproof glue filling and coating at the penetrating position, so that seawater is prevented from invading into the main steel pipe of the jacket or the transition section.
In order to facilitate the fixing of the upper section 4 of the submarine cable protection pipe, the transition section 3 comprises a transition section supporting pipe 7 fixedly arranged on the side part of the transition section supporting pipe, the upper section 4 of the submarine cable protection pipe is fixed in the transition section supporting pipe 7 through a fixing part 8, the upper end of the upper section of the submarine cable protection pipe penetrates out of the transition section supporting pipe 7, a submarine cable protection pipe flange 9 is arranged at the upper end head of the upper section 4 of the submarine cable protection pipe, the inner end head of the upper section of the submarine cable protection pipe is a bell-mouthed opening K, and the submarine cable can be conveniently inserted through the bell-mouthed opening; the upper end of the upper section 4 of the submarine cable protection pipe directly extends out of the upper end of the transition section through the transition section supporting pipe, the space platform on the upper portion of the transition section is effectively utilized to carry out submarine cable drawing operation, the construction difficulty of drawing the submarine cable is greatly reduced, and the submarine cable protection pipe flange 9 is convenient to connect with submarine cable drawing equipment.
For reasonable design, the lower section 5 of the submarine cable protection pipe comprises an inner section 51 of the submarine cable protection pipe located in the lower body of the jacket main steel pipe and an extension section 52 of the submarine cable protection pipe penetrating out of the lower part of the jacket main steel pipe, the ends of the inner segment of the submarine cable protection pipe and the extension section of the submarine cable protection pipe are both flared, the extension section 52 of the submarine cable protection pipe is fixed on the foundation pile 1 through a fixing piece 8, the penetration of the submarine cable is convenient through the bell mouth, the axial lead of the inner segment 51 of the submarine cable protection pipe is superposed with the axial lead of the main steel pipe 2 of the jacket, the extension section 8 of the submarine cable protection pipe is parallel to the surface of the foundation pile 1, therefore, the submarine cable protection pipe extension section 8 is in arc transition connection with the submarine cable protection pipe 4 positioned inside the jacket main steel pipe, the end of the extension section of the submarine cable protection pipe is provided with the horn mouth 9, so that the submarine cable can be conveniently penetrated, and the arc transition is also favorable for the penetration of the submarine cable.
The diameters of the jacket main steel pipe 2 and the transition section supporting pipe 7 are larger, and can be 1-3 meters generally, and workers can enter the inside of the jacket main steel pipe or the transition section supporting pipe 7, so that the installation of the upper section of the submarine cable protection pipe and the lower section of the submarine cable protection pipe is convenient.
In the above embodiment, the fixing member 8 includes the submarine cable protection pipe sleeve 81, the submarine cable protection pipe support steel plate 82, and the submarine cable protection pipe support steel plate 83, the submarine cable protection pipe sleeve 81 is fixedly sleeved on the upper section 4 of the submarine cable protection pipe or the periphery of the submarine cable protection pipe extension section 52, the submarine cable protection pipe support steel plate 82 is vertically and fixedly connected with the submarine cable protection pipe sleeve 81, the submarine cable protection pipe support steel plate 82 is vertically and fixedly connected with the submarine cable protection pipe support steel plate 83, and the submarine cable protection pipe support steel plate 83 is fixed on the surface of the foundation pile 1 or the inner wall surface of the transition section support pipe 7.
Further, in order to enable the jacket to have a stable structure, a plurality of inclined pipe rods 10 are obliquely arranged between every two main steel pipes of the jacket, and the two inclined pipe rods 10 are fixed in a cross welding mode.
The utility model discloses a show the effect:
(1) through the arrangement of the embedded submarine cable protection pipe, the wave current load of the main body structure can be effectively reduced, and the arrangement difficulty of the submarine cable protection pipe is reduced;
(2) compared with the scheme that the whole-section arrangement scheme is adopted for the submarine cable protection pipe in the jacket main pipe, the scheme can save the length of the submarine cable protection pipe in the middle section, greatly reduce the steel consumption of the submarine cable protection pipe, and is particularly better in economy in a deep water environment;
(3) the upper section of the submarine cable protection pipe directly extends to the upper platform of the transition section through the support pipe of the transition section, the space platform on the upper part of the transition section is effectively utilized to carry out submarine cable drawing operation, and the construction difficulty of drawing the submarine cable is greatly reduced.
Claims (6)
1. The utility model provides an embedded festival segmentation submarine cable protective tube structure for in marine wind power jacket basis which characterized in that: the jacket main steel pipe is fixedly provided with a transition section at the upper part, an upper section of a submarine cable protection pipe and a lower section of the submarine cable protection pipe which are not connected with each other are arranged at a local section in the jacket main steel pipe body, the upper end of the upper section of the submarine cable protection pipe penetrates out of the upper end of the transition section, the lower end of the lower section of the submarine cable protection pipe penetrates out of the lower part of the jacket main steel pipe, and a submarine cable penetrates between the upper section of the submarine cable protection pipe and the lower section of the submarine cable protection pipe.
2. The embedded segmented submarine cable protective tube structure for use in an offshore wind power jacket foundation according to claim 1, wherein: the changeover portion is including fixed changeover portion stay tube of establishing at its lateral part, the marine cable protection tube upper segment section passes through the mounting to be fixed in the changeover portion stay tube, and the changeover portion stay tube is worn out to the upper end of marine cable protection tube upper segment section, and the top end of marine cable protection tube upper segment section is equipped with marine cable protection tube flange, and the lower end of marine cable protection tube upper segment section is the horn mouth.
3. The embedded segmented submarine cable protective tube structure for use in an offshore wind power jacket foundation according to claim 1, wherein: the submarine cable protection pipe lower segment comprises a submarine cable protection pipe inner segment located in the jacket main steel pipe lower portion body and a submarine cable protection pipe extension section penetrating out of the jacket main steel pipe lower portion, the ends of the submarine cable protection pipe inner segment and the submarine cable protection pipe extension section are horn mouths, and the submarine cable protection pipe extension section is fixed on a foundation pile through a fixing piece.
4. The embedded segmented submarine cable protective tube structure used in offshore wind power jacket foundation according to claim 2 or 3, wherein: the fixing piece comprises a submarine cable protection pipe sleeve, a submarine cable protection pipe supporting steel pipe and a submarine cable protection pipe supporting steel plate, the submarine cable protection pipe sleeve is fixedly sleeved on the upper section of the submarine cable protection pipe or the periphery of the extension section of the submarine cable protection pipe, the submarine cable protection pipe supporting steel pipe is vertically and fixedly connected with the submarine cable protection pipe sleeve, the submarine cable protection pipe supporting steel pipe is vertically and fixedly connected with the submarine cable protection pipe supporting steel plate, and the submarine cable protection pipe supporting steel plate is fixed on the surface of a foundation pile or the inner wall surface of a transition section supporting pipe.
5. The embedded segmented submarine cable protective tube structure for use in an offshore wind power jacket foundation according to claim 4, wherein: inclined pipe rods are obliquely arranged between every two main steel pipes of the jacket.
6. The embedded segmented submarine cable protective tube structure for use in an offshore wind power jacket foundation according to claim 1, wherein: the upper section of the submarine cable protection pipe and the lower section of the submarine cable protection pipe respectively account for 0.1-0.3 of the total length of the jacket main steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220890155.7U CN217419725U (en) | 2022-04-18 | 2022-04-18 | Embedded segmental type submarine cable protection pipe structure used in offshore wind power jacket foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220890155.7U CN217419725U (en) | 2022-04-18 | 2022-04-18 | Embedded segmental type submarine cable protection pipe structure used in offshore wind power jacket foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217419725U true CN217419725U (en) | 2022-09-13 |
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ID=83182225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220890155.7U Active CN217419725U (en) | 2022-04-18 | 2022-04-18 | Embedded segmental type submarine cable protection pipe structure used in offshore wind power jacket foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217419725U (en) |
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2022
- 2022-04-18 CN CN202220890155.7U patent/CN217419725U/en active Active
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