CN204538629U - A kind of offshore wind turbine cable protection system - Google Patents
A kind of offshore wind turbine cable protection system Download PDFInfo
- Publication number
- CN204538629U CN204538629U CN201520164746.6U CN201520164746U CN204538629U CN 204538629 U CN204538629 U CN 204538629U CN 201520164746 U CN201520164746 U CN 201520164746U CN 204538629 U CN204538629 U CN 204538629U
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- cable
- cable protection
- protection system
- offshore wind
- wind turbine
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- 239000013535 sea water Substances 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 18
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 210000001503 joint Anatomy 0.000 abstract description 5
- 238000003032 molecular docking Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
- E02B17/027—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto steel structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0065—Monopile structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0091—Offshore structures for wind turbines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0095—Connections of subsea risers, piping or wiring with the offshore structure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Wind Motors (AREA)
Abstract
本实用新型涉及一种海上风机电缆保护系统。本实用新型的目的是提供一种海上风机电缆保护系统，利用耐海水的橡胶护管，将橡胶护管底部一段埋置于泥面以下，防止电缆外露及断裂破损等。本实用新型的技术方案是：该系统具有竖向固定于海床泥面中的钢管桩、套在钢管桩上部的过渡连接段、与该连接段顶部连接的上部风机，过渡连接段上通过电缆支撑管垂直的焊接有若干根I型的电缆护管，电缆护管之间通过电缆连杆横向连接；述电缆护管内穿有海底电缆，电缆护管底部装有采用橡胶密封垫密封的对接法兰盘，法兰盘下端连接有耐海水的橡胶护管；海底电缆从橡胶护管端部，经对接法兰盘、电缆护管与上部风机塔筒内部的高压环网柜连接。
The utility model relates to an offshore fan cable protection system. The purpose of this utility model is to provide a cable protection system for offshore wind turbines, which uses a seawater-resistant rubber protective tube, and embeds a section of the bottom of the rubber protective tube under the mud surface to prevent the cable from being exposed and broken. The technical scheme of the utility model is: the system has a steel pipe pile vertically fixed in the mud surface of the seabed, a transitional connection section sleeved on the upper part of the steel pipe pile, and an upper fan connected to the top of the connection section. The cable support tube is vertically welded with several I-type cable protection tubes, and the cable protection tubes are connected horizontally by cable connecting rods; the cable protection tube is threaded with a submarine cable, and the bottom of the cable protection tube is equipped with a butt joint sealed with a rubber gasket. Flange, the lower end of the flange is connected with a seawater-resistant rubber protective tube; the submarine cable is connected from the end of the rubber protective tube to the high-voltage ring main unit inside the upper fan tower through the docking flange and cable protective tube.
Description
技术领域technical field
本实用新型涉及一种海上风机电缆保护系统，适用于海上风电工程技术领域。The utility model relates to an offshore fan cable protection system, which is suitable for the technical field of offshore wind power engineering.
背景技术Background technique
近年来海上风力发电行业已在国内迅速发展起来。由于海上自然环境的特殊性，普通的陆上施工机械和施工方法不能应用，陆上常规的风电机组基础附属结构不便用于海上。目前，风机机位附近海底电缆敷设时，要求投放埋设犁与平台之间具有一定的安全距离，一般采用先敷设、后冲埋的方式进行作业，但海上风电场常用的J型电缆护管无法直接深入泥下，连接至风机基础上的电缆在泥面附近必然有一段悬空，在波浪、海流的长期作用下，J型管出口处电缆受力比较大，存在断裂破损等安全隐患。In recent years, the offshore wind power industry has developed rapidly in China. Due to the particularity of the natural environment at sea, ordinary land construction machinery and construction methods cannot be applied, and the foundation and auxiliary structures of conventional wind turbines on land are inconvenient to be used at sea. At present, when laying submarine cables near the wind turbines, it is required to have a certain safety distance between the buried plow and the platform. Generally, the method of laying first and then burying is carried out. However, the J-shaped cable protection pipe commonly used in offshore wind farms cannot Going directly into the mud, the cables connected to the foundation of the fan must be suspended near the mud surface. Under the long-term action of waves and currents, the cables at the exit of the J-shaped pipe are subjected to relatively large forces, and there are safety hazards such as breakage and damage.
发明内容Contents of the invention
本实用新型要解决的技术问题是：针对上述存在的问题，提供一种海上风机电缆保护系统，利用耐海水的橡胶护管，将橡胶护管底部一段埋置于泥面以下，防止电缆外露及断裂破损等。The technical problem to be solved by the utility model is: in view of the above-mentioned problems, a cable protection system for offshore wind turbines is provided, which uses a seawater-resistant rubber protective tube to bury a section of the bottom of the rubber protective tube under the mud surface to prevent the cable from being exposed and breakage etc.
本实用新型所采用的技术方案是：一种海上风机电缆保护系统，具有竖向固定于海床泥面中的钢管桩、套在钢管桩上部的过渡连接段、与该连接段顶部连接的上部风机，所述过渡连接段上通过电缆支撑管垂直的焊接有若干根I型的电缆护管，电缆护管之间通过电缆连杆横向连接；所述电缆护管内穿有海底电缆，其特征在于：所述电缆护管底部装有采用橡胶密封垫密封的对接法兰盘，法兰盘下端连接有耐海水的橡胶护管；所述海底电缆从橡胶护管端部，经对接法兰盘、电缆护管与上部风机塔筒内部的高压环网柜连接。The technical solution adopted by the utility model is: an offshore fan cable protection system, which has a steel pipe pile vertically fixed in the mud surface of the seabed, a transition connection section sleeved on the upper part of the steel pipe pile, and a connecting section connected to the top of the connection section. For the upper fan, several I-shaped cable protection tubes are vertically welded on the transition connection section through the cable support tube, and the cable protection tubes are connected horizontally by cable connecting rods; the cable protection tubes are pierced with submarine cables. The bottom of the cable protective tube is equipped with a butt joint flange sealed with a rubber gasket, and the lower end of the flange is connected with a seawater-resistant rubber protective tube; the submarine cable runs from the end of the rubber protective tube to the butt flange. , The cable protection tube is connected to the high-voltage ring network cabinet inside the upper fan tower.
还可将若干根所述钢管桩通过套在该钢管桩上端的三角形导管架结构与过渡连接段相连接。It is also possible to connect several steel pipe piles with the transition connection section through a triangular jacket structure sleeved on the upper end of the steel pipe piles.
所述电缆护管直径为200～400mm、壁厚14～20mm；所述电缆支撑管直径为200～400mm、壁厚14～20mm。The cable protection tube has a diameter of 200-400 mm and a wall thickness of 14-20 mm; the cable support tube has a diameter of 200-400 mm and a wall thickness of 14-20 mm.
所述橡胶护管直径为200～400mm、长5～20m，端部2～3m埋设于海底泥面以下。The rubber protective pipe has a diameter of 200-400mm, a length of 5-20m, and an end of 2-3m buried below the seabed mud surface.
本实用新型的有益效果是：本实用新型采用耐海水的橡胶护管通过对接法兰与上部I型电缆护管连接，解决了在波浪、海流的长期作用下，J型管出口处海底电缆受力比较大，容易断裂、破损等安全隐患问题。The beneficial effects of the utility model are: the utility model adopts a seawater-resistant rubber protective tube to connect with the upper I-shaped cable protective tube through the butt joint flange, which solves the problem of the submarine cable at the outlet of the J-shaped tube under the long-term action of waves and currents. The force is relatively large, and it is easy to break, damage and other safety hazards.
附图说明Description of drawings
图1为单桩基础的海上风机电缆保护系统立面图。Figure 1 is the elevation view of the cable protection system for offshore wind turbines on a single pile foundation.
图2为单桩基础的海上风机电缆保护系统的A-A剖面图。Fig. 2 is the A-A sectional view of the offshore wind turbine cable protection system of the monopile foundation.
图3为多桩导管架基础的海上风机电缆保护系统侧视图。Fig. 3 is a side view of an offshore wind turbine cable protection system for a multi-pile jacket foundation.
图4为对接法兰盘的结构图。Figure 4 is a structural diagram of the butt joint flange.
具体实施方式Detailed ways
本实施例为海上风机电缆保护系统，该海上风机采用单桩基础或多桩导管架基础。This embodiment is an offshore wind turbine cable protection system, and the offshore wind turbine adopts a single pile foundation or a multi-pile jacket foundation.
如图1、图2所示，为单桩基础的海上风机电缆保护系统，单根直径为4000～6000mm钢管桩8固定于海底泥面中，在上部套接直径为4000～6000mm过渡连接段7。As shown in Figure 1 and Figure 2, it is an offshore wind turbine cable protection system with a single pile foundation. A single steel pipe pile 8 with a diameter of 4000-6000mm is fixed on the seabed mud surface, and a transition connection section with a diameter of 4000-6000mm is connected at the upper part 7.
图3所示，为多桩导管架基础的海上风机电缆保护系统，将两根钢管桩8固定于海底泥面中，上部可通过套装三角形的导管架结构与过渡连接段7连接。As shown in Fig. 3, it is an offshore wind turbine cable protection system based on a multi-pile jacket. Two steel pipe piles 8 are fixed in the mud surface of the seabed, and the upper part can be connected to the transition section 7 through a triangular jacket structure.
本实施例中，过渡连接段7顶部安装上部风机9，两根I型的直径为200～400mm、壁厚14～20mm的电缆护管1通过多个直径为200～400mm、壁厚14～20mm电缆支撑管2垂直的焊接在过渡连接段7上，电缆护管1之间采用多个电缆连杆3横向连接为整体；在电缆护管1底端采用对接法兰盘4(图4)与耐海水的直径为200～400mm、长度5～20m的橡胶护管5连接，并确保橡胶护管5端部2～3m埋设于泥下，该橡胶护管可防止电缆外露及断裂破损；对接法兰盘4需采用橡胶密封垫密封；在施工时，采用电缆牵引线将海底电缆6从橡胶护管5端部、经过对接法兰盘4和电缆护管1牵引至上部风机9塔筒内，与风机内部的高压环网柜连接。In this embodiment, the upper fan 9 is installed on the top of the transition connection section 7, and two I-shaped cable protection pipes 1 with a diameter of 200-400 mm and a wall thickness of 14-20 mm pass through multiple cables with a diameter of 200-400 mm and a wall thickness of 14-20 mm. The cable support tube 2 is vertically welded on the transition section 7, and the cable protection tubes 1 are connected horizontally by a plurality of cable connecting rods 3 as a whole; The seawater-resistant rubber protective tube 5 with a diameter of 200-400mm and a length of 5-20m is connected, and the end of the rubber protective tube 5 is buried under the mud for 2-3m. The rubber protective tube can prevent the cable from being exposed and broken; butt joint method The blue plate 4 needs to be sealed with a rubber gasket; during construction, the submarine cable 6 is pulled from the end of the rubber protective tube 5, through the docking flange 4 and the cable protective tube 1 to the upper fan 9 tower with a cable pulling line, It is connected with the high-voltage ring network cabinet inside the fan.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164746.6U CN204538629U (en) | 2015-03-23 | 2015-03-23 | A kind of offshore wind turbine cable protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164746.6U CN204538629U (en) | 2015-03-23 | 2015-03-23 | A kind of offshore wind turbine cable protection system |
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| CN204538629U true CN204538629U (en) | 2015-08-05 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369834A (en) * | 2015-11-06 | 2016-03-02 | 中国电建集团华东勘测设计研究院有限公司 | Anti-scour sand quilt for offshore wind power large-diameter pile foundation and construction method of anti-scour sand quilt |
| CN105369835A (en) * | 2015-12-10 | 2016-03-02 | 宁波满洋船舶有限公司 | Sand quilt and offshore pile foundation anti-scouring treatment method applying sand quilt |
| CN106159846A (en) * | 2016-07-12 | 2016-11-23 | 中交第三航务工程局有限公司 | Blower fan J-type sea, off-lying sea cable protection pipe and the mounting process of ICCP wire steel pipe |
| CN106602474A (en) * | 2016-11-25 | 2017-04-26 | 中国海洋石油总公司 | Installation sleeve device for single-pile multi-cable protective pipe |
| CN113161953A (en) * | 2021-04-23 | 2021-07-23 | 中国电建集团中南勘测设计研究院有限公司 | Method for installing cable protection pipe at top section of offshore boosting transformer substation |
| CN114790756A (en) * | 2021-01-23 | 2022-07-26 | 中国石油化工股份有限公司 | Offshore platform cable protection pile, pile sinking method and pile sinking device |
-
2015
- 2015-03-23 CN CN201520164746.6U patent/CN204538629U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369834A (en) * | 2015-11-06 | 2016-03-02 | 中国电建集团华东勘测设计研究院有限公司 | Anti-scour sand quilt for offshore wind power large-diameter pile foundation and construction method of anti-scour sand quilt |
| CN105369835A (en) * | 2015-12-10 | 2016-03-02 | 宁波满洋船舶有限公司 | Sand quilt and offshore pile foundation anti-scouring treatment method applying sand quilt |
| CN106159846A (en) * | 2016-07-12 | 2016-11-23 | 中交第三航务工程局有限公司 | Blower fan J-type sea, off-lying sea cable protection pipe and the mounting process of ICCP wire steel pipe |
| CN106602474A (en) * | 2016-11-25 | 2017-04-26 | 中国海洋石油总公司 | Installation sleeve device for single-pile multi-cable protective pipe |
| CN106602474B (en) * | 2016-11-25 | 2018-09-18 | 中国海洋石油集团有限公司 | Installation sleeve device for single-pile multi-cable protective pipe |
| CN114790756A (en) * | 2021-01-23 | 2022-07-26 | 中国石油化工股份有限公司 | Offshore platform cable protection pile, pile sinking method and pile sinking device |
| CN113161953A (en) * | 2021-04-23 | 2021-07-23 | 中国电建集团中南勘测设计研究院有限公司 | Method for installing cable protection pipe at top section of offshore boosting transformer substation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150805 |