CN218373994U - One-step sinking installation device for complete deepwater offshore wind power cylinder type foundation - Google Patents
One-step sinking installation device for complete deepwater offshore wind power cylinder type foundation Download PDFInfo
- Publication number
- CN218373994U CN218373994U CN202222150519.0U CN202222150519U CN218373994U CN 218373994 U CN218373994 U CN 218373994U CN 202222150519 U CN202222150519 U CN 202222150519U CN 218373994 U CN218373994 U CN 218373994U
- Authority
- CN
- China
- Prior art keywords
- installation
- foundation
- sinking
- wind power
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Landscapes
- Wind Motors (AREA)
Abstract
The utility model relates to a deep water offshore wind power cylinder type foundation complete machine one-step sinking installation device, which comprises an installation ship, a mooring anchor rope and a fixed pulley, wherein the installation ship comprises a first module and a second module, a plurality of cable machines are uniformly arranged near an installation space and are correspondingly connected with a plurality of hoisting points on a cylinder type foundation through pull-up cables respectively, and the sinking speed of the cylinder type foundation is controlled; the constant tension winch is correspondingly connected with an anchor anchored on the seabed through an anchor chain and a fixed pulley, and controls the horizontal displacement of the barrel-shaped foundation in the sinking process. The utility model provides a deep water sea area cartridge type basis sink the stability problem of installation, save the guide frame of righting and sinking the pad that need be made specially for the deep water installation to accomplish the subside of flat basis and install in shorter time, through the time and the equipment that reduce marine installation operation, can reduce marine wind power's construction cost at to a great extent, be applicable to the depth of water more than 30 m.
Description
Technical Field
The utility model relates to a marine wind power technology field, concretely relates to deep water marine wind power section of thick bamboo type basis complete machine installation device that sinks step by step.
Background
The offshore wind power cylinder type foundation has the advantages of capability of sinking under negative pressure, no need of piling, good structural stability and the like, and is increasingly applied to offshore wind power plants in shallow sea in China. With the development of offshore wind power gradually developing to deep and open sea, after the cylindrical foundation is transported to a machine position, in the sinking process, the stability and safety of the foundation in sinking and the levelness of the foundation in the process of entering the soil can hardly meet the requirements under the action of deep water complex sea conditions.
The patent (CN 102926948A) discloses an offshore wind power complete machine installation method, but the installation ship is only suitable for offshore with shallow water depth, and the stability of the installation ship in the sinking process is difficult to guarantee under the condition of deep water complex sea conditions; the patent (CN 111910675A) discloses a one-step type installation ship of a deepwater offshore wind power cylinder type foundation, and due to the trend of large installed capacity of a fan, the center of gravity of a tower cylinder and a machine head part is higher, higher requirements are provided for the stability of the installation ship, and the risk is higher during sinking installation; the patent (CN 212427180U) discloses a deep-water offshore wind power cylinder type foundation installation device, wherein a sinking pad needs to be installed in advance before sinking installation, the offshore construction process is complex, and the device manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides a deep water offshore wind power cylinder type basis complete machine one step installation device that sinks can assist the steady sinking of cylinder type basis in the deep water sea area, has improved the security of the installation that sinks of cylinder type basis.
The utility model adopts the technical proposal that: the utility model provides a deep water offshore wind power section of thick bamboo type basis complete machine one-step installation device that sinks which characterized in that: the installation vessel comprises a first module and a second module, the first module and the second module enclose an installation space for placing the cylindrical foundation before sinking, a plurality of cable machines are arranged on the installation vessel, the cable machines are uniformly arranged near the installation space, and are correspondingly connected with a plurality of lifting points on the cylindrical foundation through pull-up cables respectively to control the sinking speed of the cylindrical foundation;
the installation vessel is provided with a plurality of constant tension winches, the top corners of the cylindrical foundation are provided with fixed pulleys, each mooring anchor cable comprises an anchor chain and an anchor, the constant tension winches are correspondingly connected with the anchors anchored at the seabed through the anchor chains and the fixed pulleys, and the horizontal displacement of the cylindrical foundation in the sinking process is controlled.
Preferably, the first module is a U-shaped module, the second module is a K-shaped module, and an opening side of the K-shaped module corresponds to a sealing side of the U-shaped module and mutually surrounds the opening side and the sealing side to form an installation space.
Preferably, the cylindrical foundation is a regular hexagonal prism structure with an open lower end.
Furthermore, each edge of the hexagonal cylinder top of the cylinder type foundation is provided with 2 hoisting points, and the installation ship is provided with 12 cable cranes which are correspondingly connected with 12 hoisting points on the cylinder type foundation through pull-up cable ropes.
Furthermore, each vertex of the hexagonal cylinder top of the cylinder foundation is provided with a fixed pulley, the number of mooring anchor cables is 6, and the included angle between the mooring anchor cables is 60 degrees.
Preferably, the fixed pulley is of a thin-wall structure.
Preferably, the bow and the stern of the installation vessel are provided with 3 positioning piles in total.
A deepwater sinking installation method for an offshore wind power cylinder type foundation is characterized by comprising the following steps: the method comprises the following steps:
a. the installation vessel transports the cylindrical foundation to the position near the appointed machine position;
b. driving a positioning pile on an installation ship into a seabed;
c. anchoring the mooring anchor line to the seabed by using an anchor throwing boat;
d. the barrel-type foundation is lowered from the installation ship, and the upward buoyancy force applied to the barrel-type foundation and the pulling force of the pulling cable are slightly smaller than the gravity of the barrel-type foundation through the internal deflation of the barrel-type foundation, so that the barrel-type foundation can be sunk into the mud at a slower speed;
e. in the process of sinking the cylindrical foundation, the anchor cable is continuously tightened by the constant-tension winch, so that the position requirement of the cylindrical foundation can be maintained, and the horizontal motion response of the cylindrical foundation in waves can be greatly reduced;
f. after the bottom of the cylindrical foundation is contacted with a mud surface, unhooking a pull-up mooring rope and a mooring anchor rope on the cylindrical foundation, and pumping water and air to the cylindrical foundation to realize negative pressure sinking until a specified elevation;
g. and recovering the pull-up mooring rope and the mooring anchor rope, and transferring to the next place for sinking.
The utility model discloses the beneficial effect who gains is: the problem of the stability of the deepwater sea area cylindrical foundation sinking installation is solved, a centering guide frame and a sinking pad which are specially built for deepwater installation are omitted, the flat foundation sinking and installation are completed in a shorter time, the construction cost of offshore wind power can be reduced to a great extent by reducing the time and equipment of offshore installation operation, and the method is suitable for the deepwater with the depth of more than 30 m.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of FIG. 1;
reference numerals: 1. a cylindrical foundation; 14. hoisting points; 2. installing a ship; 21. a second module; 22. a first module; 23. positioning a pile; 3. a cable machine; 4. a constant tension winch; 5. pulling up the cable; 6. a fixed pulley; 7. mooring the anchor cable; 71. an anchor chain; 72. and (6) an anchor.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, the utility model discloses a deep water offshore wind power cylinder type basis complete machine one-step installation device that sinks, including installation ship 2, mooring anchor rope 7 and fixed pulley 6, installation ship 2 includes first module 21 and second module 22, and first module 21 and second module 22 enclose to enclose into one and are used for the installation space that cylinder type basis 1 placed before sinking, are provided with many cable machines 3 on the installation ship 2, and many cable machines 3 evenly arrange near installation space, correspond continuously through a plurality of hoisting points 14 on pull-up hawser 5 and the cylinder type basis 1 respectively, and cable machine 3 is through pull-up hawser 5 control cylinder type basis 1 speed of sinking.
The installation vessel 2 is provided with a plurality of constant tension winches 4, the top corners of the cylindrical foundation 1 are provided with fixed pulleys 6, the mooring anchor cables 7 comprise anchor chains 71 and anchors 72, the constant tension winches 4 are correspondingly connected with the anchors 72 anchored on the seabed through the fixed pulleys 6 after passing through the anchor chains 71, and the mooring anchor cables 7 are tensioned in real time to control the horizontal displacement of the cylindrical foundation 1 in the sinking process and greatly reduce the motion response of the foundation in waves.
In an embodiment, the first module 22 is a U-shaped module, the second module 21 is a K-shaped module, and an opening side of the K-shaped module 21 corresponds to a sealing side of the U-shaped module 22, and they mutually enclose an installation space, through which the barrel-shaped foundation 1 can sink.
In one embodiment, the cylindrical foundation 1 is a regular hexagonal prism structure with an open lower end.
In one embodiment, each side of the hexagonal cylinder top of the cylinder type foundation 1 is provided with 2 lifting points 14, 12 cable machines 3 are arranged on the installation vessel 2 and correspondingly connected to the 12 lifting points 14 on the cylinder type foundation 1 through the pull-up cables 5, and the cable machines 3 control the sinking speed of the cylinder type foundation 1 through the pull-up cables 5.
In one embodiment, each vertex of the hexagonal cylinder top of the cylinder type foundation 1 is provided with a fixed pulley 6, the number of the mooring anchor cables 7 is 6, the included angle between the mooring anchor cables 7 is 60 degrees, the mooring anchor cables 7 are tensioned in real time to control the horizontal displacement of the cylinder type foundation 1 in the sinking process, and the motion response of the foundation in waves is greatly reduced.
In one embodiment, the fixed pulley 6 is of a thin-wall structure, and assists the cylindrical foundation to break the soil and sink after entering the soil, so that the sinking resistance in the soil is reduced.
The utility model discloses a deep water sinking installation method of offshore wind power cylindrical foundation, including following step:
a. the installation vessel 2 transports the cylindrical foundation 1 to the position near the appointed airport location;
b. driving the spud 23 on the installation vessel 2 into the seabed;
c. anchoring the anchors 72 of the mooring lines 7 to the seabed using a launch vehicle;
d. the cylindrical foundation 1 is lowered from the installation ship 2, and the upward buoyancy force applied to the cylindrical foundation 1 and the pulling force of the pulling cable 5 are slightly smaller than the gravity of the cylindrical foundation 1 through the air release in the cylindrical foundation 1, so that the cylindrical foundation 1 can be ensured to sink into the mud at a lower speed;
e. in the sinking process of the cylindrical foundation 1, the anchor cable 71 is continuously tightened by the constant-tension winch 4, so that the position requirement of the cylindrical foundation 1 can be maintained, and the horizontal motion response of the cylindrical foundation 1 in waves can be greatly reduced;
f. after the bottom of the cylindrical foundation 1 is contacted with a mud surface, unhooking the pull-up cable 5 and the mooring cable 7 on the cylindrical foundation 1, and pumping water and pumping air on the cylindrical foundation 1 to realize negative pressure sinking to a specified elevation;
g. and recovering the pull-up cable 5 and the mooring anchor cable 7, and transferring to the next place for sinking.
The foregoing shows and describes the general principles and principal structural features of the invention. The present invention is not limited by the above-mentioned examples, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and improvements fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Here, it should be noted that the description of the above technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims.
The shapes, sizes, ratios, angles, and numbers disclosed to describe aspects of the specification and claims are examples only, and thus, the specification and claims are not limited to the details shown. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the focus of the present specification and claims, the detailed description will be omitted.
Where the terms "comprising", "having" and "including" are used in this specification, there may be another part or parts unless otherwise stated, and the terms used may generally be in the singular but may also be in the plural.
It should be noted that although the terms "first," "second," "top," "bottom," "side," "other," "end," "other end," and the like may be used and used in this specification to describe various components, these components and parts should not be limited by these terms. These terms are only used to distinguish one element or section from another element or section. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with the top and bottom elements being interchangeable or switchable with one another under certain circumstances, without departing from the scope of this specification; the components at one end and the other end may be of the same or different properties to each other.
In describing positional relationships, for example, when positional sequences are described as being "on.. Above", "over.. Below", "below", and "next", unless such words or terms are used as "exactly" or "directly", they may include cases where there is no contact or contact therebetween. If a first element is referred to as being "on" a second element, that does not mean that the first element must be above the second element in the figures. The upper and lower portions of the member will change depending on the angle of view and the change in orientation. Thus, in the drawings or in actual construction, if a first element is referred to as being "on" a second element, it can be said that the first element is "under" the second element and the first element is "over" the second element. In describing temporal relationships, unless "exactly" or "directly" is used, the description of "after", "subsequently", and "before" may include instances where there is no discontinuity between steps. The features of the various embodiments of the present invention may be partially or fully combined or spliced with each other and may be implemented in a variety of different configurations as would be well understood by one of ordinary skill in the art. Embodiments of the present invention may be performed independently of each other, or may be performed together in an interdependent relationship.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.
Claims (7)
1. The utility model provides a deep water offshore wind power section of thick bamboo type basis complete machine one-step installation device that sinks which characterized in that: the mooring anchor cable assembly is characterized by comprising an installation ship (2), mooring anchor cables (7) and fixed pulleys (6), wherein the installation ship (2) comprises a first module (22) and a second module (21), the first module (22) and the second module (21) enclose an installation space for placing a cylindrical foundation (1) before sinking, a plurality of cable machines (3) are arranged on the installation ship (2), the cable machines (3) are uniformly arranged near the installation space and are correspondingly connected with a plurality of lifting points (14) on the cylindrical foundation (1) through pull-up cable ropes (5) respectively, and the sinking speed of the cylindrical foundation (1) is controlled;
be equipped with a plurality of permanent tension winches (4) on installation ship (2), the top apex angle department of cartridge type basis (1) all is equipped with fixed pulley (6), mooring anchor rope (7) are including anchor chain (71) and anchor (72), permanent tension winch (4) correspond with anchor (72) of anchor in the seabed through anchor chain (71) behind fixed pulley (6) and link to each other, control cartridge type basis (1) horizontal displacement of sinking in-process.
2. The deep water offshore wind power cylinder type foundation complete machine one-step sinking installation device of claim 1, characterized in that: the first module (22) is a U-shaped module, the second module (21) is a K-shaped module, and one side of an opening of the K-shaped module corresponds to one side of a sealing opening of the U-shaped module and mutually surrounds to form an installation space.
3. The deep water offshore wind power cylinder type foundation complete machine one-step sinking installation device of claim 1, characterized in that: the cylindrical foundation (1) is of a regular hexagonal prism structure with an opening at the lower end.
4. The deep water offshore wind power cylinder type foundation complete machine one-step sinking installation device of claim 3, characterized in that: each side of the hexagonal cylinder top of the cylindrical foundation (1) is provided with 2 hoisting points (14), the installation vessel (2) is provided with 12 cable machines (3), and the cable machines are correspondingly connected with the 12 hoisting points (14) on the cylindrical foundation (1) through the pull-up cable ropes (5).
5. The deep water offshore wind power cylinder type foundation complete machine one-step sinking installation device of claim 3, characterized in that: each vertex of the hexagonal cylinder top of the cylinder foundation (1) is provided with a fixed pulley (6), and 6 mooring anchor cables (7) are arranged, and the included angle between the mooring anchor cables is 60 degrees.
6. The deep water offshore wind power cylinder type foundation complete machine one-step sinking installation device of claim 1, characterized in that: the fixed pulley (6) is of a thin-wall structure.
7. The deep water offshore wind power cylinder type foundation complete machine one-step sinking installation device of claim 1, characterized in that: the bow and the stern of the installation vessel (2) are provided with 3 positioning piles (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222150519.0U CN218373994U (en) | 2022-08-16 | 2022-08-16 | One-step sinking installation device for complete deepwater offshore wind power cylinder type foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222150519.0U CN218373994U (en) | 2022-08-16 | 2022-08-16 | One-step sinking installation device for complete deepwater offshore wind power cylinder type foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218373994U true CN218373994U (en) | 2023-01-24 |
Family
ID=84966796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222150519.0U Active CN218373994U (en) | 2022-08-16 | 2022-08-16 | One-step sinking installation device for complete deepwater offshore wind power cylinder type foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218373994U (en) |
-
2022
- 2022-08-16 CN CN202222150519.0U patent/CN218373994U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2017382982B2 (en) | A device and method to regulate a breeding pen in sea, and applications thereof | |
| CN111661273B (en) | Installation and construction method of deep and open sea semi-submersible fan | |
| CN103422483B (en) | The method that the floating holder of shallow water jacket is installed | |
| CN108626078B (en) | Auxiliary transportation and erection process for offshore wind turbine Spar type floating foundation barge | |
| CN102677694A (en) | Offshore wind power submersible foundation structure and complete fan installation construction method thereof | |
| CN116714717A (en) | Method for pre-tensioning offshore floating body mooring system on seabed | |
| CN116691929A (en) | Offshore floating body mooring system and underwater pre-tensioning method thereof | |
| CN110057747B (en) | Can realize throwing corrosion test device of appearance deep water alternating | |
| JP6914411B1 (en) | Pile construction method | |
| CN218373994U (en) | One-step sinking installation device for complete deepwater offshore wind power cylinder type foundation | |
| EP3587238A1 (en) | Tension leg platform | |
| CN102704502A (en) | Offshore submerged box type foundation structure and construction method thereof | |
| CN114104196B (en) | Mooring system of offshore power generation platform | |
| CN214573828U (en) | Marine wind power binary mounting platform | |
| CN114455033B (en) | Underwater equipment floating type test platform and use method thereof | |
| CN112498622B (en) | Pile foundation installation method of deepwater ocean platform | |
| CN210258748U (en) | Ship fixing system | |
| KR102027153B1 (en) | Installing Method for Submersible Housing Structure and Mooring System for Submersible Housing Structure | |
| CN214832519U (en) | Mooring system applied to port water surface prefabricated platform | |
| CN212388513U (en) | Air bag buoyancy device for submerging, positioning and installing steel structure frame | |
| CN212223882U (en) | Underwater pile stabilizing system for pile sinking of deep water jacket pile | |
| CN218779528U (en) | Suction bucket fan basis is floated and is unloaded system of sinking | |
| CN215926062U (en) | A connection structure for installing refute with not float immersed tube certainly | |
| CN112027005B (en) | Marine installation method of multifunctional marine engineering device | |
| CN212427174U (en) | Offshore wind power integral installation device using mat-installation vessel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |