Combined type fan supporting structure of split type jacket and skirt pile

Abstract

The invention discloses a split type jacket and skirt pile combined type fan supporting structure, and belongs to the technical field of offshore wind power engineering, the combined type fan supporting structure comprises a first assembly, a second assembly and a supporting assembly, the first direction end of the first assembly is used for being connected with a fan tower barrel, the second direction end of the first assembly can be connected with the second assembly, and the supporting assembly is used for supporting the fan tower barrel. The second direction end of the second assembly is connected with the supporting assembly, and the skirt pile can penetrate through the supporting assembly for pile sinking. The jacket is designed into a split type, so that the processing difficulty, the size of the jacket, the use amount of steel and the weight of a single body are greatly reduced, the rated use amount of a floating crane and the specification requirements of related offshore construction equipment can be reduced, and the purpose of reducing the manufacturing cost and the transportation and installation cost is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of offshore wind power engineering, and in particular relates to a combined wind turbine support structure of a split-type conductor pipe frame and skirt piles. Background Art

[0002] In recent years, as the country continues to strengthen its support for new energy and the concept of green development has become more in-depth, offshore wind energy resources have received increasing attention. Compared with traditional energy, wind energy is a clean renewable energy source with no environmental costs such as carbon emissions and no fuel risks. With the development of society, wind power has gradually become an important part of the sustainable development strategy of many countries, and its development momentum is strong. my country's offshore wind energy resources are very rich. Vigorously developing offshore wind energy is of great strategic significance for improving my country's energy structure, saving land, and achieving sustainable economic and social development.

[0003] As the construction of offshore wind farms gradually advances to the deep sea, the capacity of single units gradually increases, the geological conditions become increasingly complex, and the environmental conditions become more severe, and the load and bending moment borne by the wind turbine foundation increase significantly. As the water depth of the wind farm increases, the requirements for the material and processing technology of steel gradually increase, and the length, diameter, wall thickness and overall weight of the jacket also gradually increase. When it exceeds a certain range, it will not only greatly increase the processing difficulty of the onshore processing plant, but also significantly increase the transportation and installation requirements of the jacket foundation, and its cost will increase exponentially, and even to a certain extent limit the development of offshore wind power generation to the deep sea.

[0004] Therefore, it is urgent to design a combined wind turbine support structure of a split-type conductor frame and skirt piles to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a combined wind turbine support structure of a split-type conductor pipe frame and skirt piles, which has the advantage of facilitating the construction of offshore wind turbines and solves the problems mentioned in the background technology.

[0006] To achieve the above-mentioned purpose, the specific technical solution of the combined wind turbine support structure of a split-type pipe frame and skirt piles of the present invention is as follows: A combined wind turbine support structure of a split-type conductor pipe frame and skirt piles includes a first component, a second component and a support component. The first direction end of the first component is connected to the wind turbine tower, the second direction end of the first component can be connected to the second component, the second direction end of the second component is connected to the support component, and the skirt piles can pass through the support component for sinking.

[0007] Furthermore, the first component is connected to the second component via a connecting component, and after the second direction end of the first component is connected to the second component, it is fixed by grouting.

[0008] Furthermore, the connecting component includes a first plug tip connected to the second direction end of the first component, and a first plug cavity is opened on the first direction end of the second component. The first plug tip can be inserted into the first plug cavity. After the first plug tip is inserted into the first plug cavity, grout is poured into the first plug cavity to fix the first component and the second component.

[0009] Furthermore, a first direction end of the first plug tip is fixedly connected with a first ring plate, and when the first plug tip is plugged into the first plug cavity, the first ring plate contacts the first direction end of the first plug cavity.

[0010] Furthermore, the opening of the first inserting cavity is provided with an inclined surface, so that the first inserting cavity is horn-shaped.

[0011] Furthermore, the first component includes a first conductor frame, a first cross brace is fixedly connected to the first direction end of the first conductor frame, the wind turbine tower is fixedly connected to the first cross brace via a flange, a first diagonal brace is fixedly connected between the first conductor frames, and the first direction end of the first diagonal brace is fixedly connected to the first cross brace.

[0012] Furthermore, a first lifting ear is fixedly connected to the first cross brace, and the first lifting ear can be hooked with the hook.

[0013] Further, the second component includes a second conductor frame, a first direction end of the second conductor frame is fixedly connected to a second cross brace, a second diagonal brace is fixedly connected between the second conductor frames, and a first direction end of the second diagonal brace is fixedly connected to the second cross brace.

[0014] Furthermore, a second lifting ear is fixedly connected to the second cross brace, and the second lifting ear can be hooked with the hook.

[0015] Furthermore, the support assembly includes a support guide frame, which is fixedly connected to the second assembly. One end of the support guide frame away from the second assembly is fixedly connected to a guide tube. The skirt piles can be sunk through the guide tube. After the piles are sunk, grouting is poured into the guide tube.

[0016] The present invention has the following advantages: the present invention designs the jacket to be split, which not only greatly reduces the processing difficulty, the size of the jacket, the amount of steel used and the weight of the single body, but also reduces the rated usage of the floating crane and the specification requirements of related offshore construction equipment, thereby achieving the purpose of reducing the production cost and the transportation and installation cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an overall schematic diagram of the fan support structure of the present invention; Figure 2 It is a schematic diagram of the structure of the first component and the wind turbine tower of the present invention; Figure 3 is a schematic structural diagram of the second component of the present invention; Figure 4 For the present invention Figure 1A schematic diagram of the enlarged structure at A in the middle; Figure 5 For the present invention Figure 1 A schematic diagram of the enlarged structure at B in the middle; Explanation of the marks in the figure: 1. First component; 11. First conductor frame; 12. First cross brace; 13. First diagonal brace; 14. First lifting ear; 2. Second component; 21. Second conductor frame; 22. Second cross brace; 23. Second diagonal brace; 24. Second lifting ear; 3. Support component; 31. Support conductor frame; 32. Support diagonal brace; 33. Guide pipe; 4. Skirt pile; 5. Wind turbine tower; 51. Flange; 6. Connecting component; 61. First plug tip; 62. First ring plate; 63. First plug cavity; 64. Grouting material; 65. Inclined surface; 7. Grouting pipe. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0019] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0020] Please refer to the attached Figure 1 To Attachment Figure 5 The invention describes a combined wind turbine support structure of a split-type pipe frame and skirt piles.

[0021] At present, as the construction of offshore wind farms gradually advances to the deep sea, the capacity of single units gradually increases, the geological conditions become increasingly complex, and the environmental conditions become more severe, and the load and bending moment borne by the wind turbine foundation increase significantly. As the water depth of the wind farm increases, the requirements for the material and processing technology of steel gradually increase, and the length, diameter, wall thickness and overall weight of the jacket also gradually increase. When it exceeds a certain range, it will not only greatly increase the processing difficulty of the onshore processing plant, but also significantly increase the transportation and installation requirements of the jacket foundation. The cost will increase exponentially, and even to a certain extent limit the development of offshore wind power generation to the deep sea. In order to solve:

[0022] 1. Not applicable to deep water areas, complex geological conditions, and harsh environmental conditions; 2. The requirements for steel materials and processing technology are gradually increasing; 3. The length, diameter, wall thickness and overall weight of the catheter rack are gradually increased; 4. The transportation and installation requirements of the jacket foundation are significantly increased, and the cost is doubled; Therefore, the present invention discloses a combined wind turbine support structure of a split-type conductor pipe frame and skirt piles, including a first component 1, a second component 2 and a support component 3. The first direction C end of the first component 1 is connected to the wind turbine tower 5, the second direction D end of the first component 1 can be connected to the second component 2, the second direction D end of the second component 2 is connected to the support component 3, and the skirt pile 4 can pass through the support component 3 for pile sinking.

[0023] The present invention designs the jacket to be split, divided into a first component 1, a second component 2 and a support component 3, which not only greatly reduces the processing difficulty, the size of the jacket, the amount of steel used and the weight of the single body, but also reduces the rated usage of the floating crane and the specification requirements of related offshore construction equipment, thereby achieving the purpose of reducing the production cost and the transportation and installation cost.

[0024] Preferably, the first component 1 is connected to the second component 2 via a connecting component 6. After the second direction D end of the first component 1 is connected to the second component 2, it is fixed by grouting. In other embodiments of the present invention, other connection methods can also be used as long as it is convenient for the first component 1 and the second component 2 to be fixed by grouting.

[0025] Specifically, the connecting component 6 includes a first plug tip 61 connected to the second direction D end of the first component 1, and a first plug cavity 63 is opened on the first direction C end of the second component 2. The first plug tip 61 can be inserted into the first plug cavity 63. After the first plug tip 61 is inserted into the first plug cavity 63, grout is poured into the first plug cavity 63 to fix the first component 1 and the second component 2 in connection, so that the first component 1 and the second component 2 form a whole.

[0026] Preferably, the first direction C end of the first plug tip 61 is fixedly connected with a first ring plate 62. When the first plug tip 61 is plugged into the first insertion cavity 63, the first ring plate 62 contacts the first direction C end of the first insertion cavity 63 to control the insertion distance of the first plug tip 61 through the first ring plate 62. Specifically, the insertion distance of the first plug tip 61 in the first insertion cavity 63 can be adjusted by changing the position of the first ring plate 62.

[0027] Preferably, the opening of the first insertion cavity 63 is provided with a bevel 65, so that the first insertion cavity 63 is trumpet-shaped, so that when the first plug tip 61 is hoisted by the first component 1 and inserted into the first insertion cavity 63, the bevel 65 compensates for the position tolerance of the first plug tip 61, thereby facilitating the connection between the first plug tip 61 and the first insertion cavity 63.

[0028] Specifically, the first component 1 includes a first conductor frame 11, a first cross brace 12 is fixedly connected to the first direction C end of the first conductor frame 11, the wind turbine tower 5 is fixedly connected to the first cross brace 12 through a flange 51, a first diagonal brace 13 is fixedly connected between the first conductor frames 11, and the first direction C end of the first diagonal brace 13 is fixedly connected to the first cross brace 12; specifically, the first component 1 is trapezoidal, and in other embodiments of the present invention, the first component 1 may also be other shapes.

[0029] Preferably, a first lifting ear 14 is fixedly connected to the first cross brace 12, and the first lifting ear 14 can be hooked with a hook. Through the first lifting ear 14, when the first plug tip 61 is plugged into the first plug cavity 63, the first component 1 is hoisted by a crane for plug-in connection.

[0030] Specifically, the second component 2 includes a second conductor frame 21, the first direction C end of the second conductor frame 21 is fixedly connected to the second cross brace 22, the second conductor frames 21 are fixedly connected to the second diagonal braces 23, the first direction C end of the second diagonal brace 23 is fixedly connected to the second cross brace 22, preferably, the second component 2 is rectangular, and in other embodiments of the present invention, the second component 2 may also be other shapes.

[0031] Preferably, a second lifting lug 24 is fixedly connected to the second cross brace 22 , and the second lifting lug 24 can be hooked with a lifting hook, so that the second component 2 can be lifted and placed on the seabed through the second lifting lug 24 .

[0032] Furthermore, the support assembly 3 includes a support guide frame, which is fixedly connected to the second assembly 2, and a support diagonal brace 32 is fixedly connected between the support guide frames. The end of the support guide frame away from the second assembly 2 is fixedly connected to a guide tube 33, and the skirt pile 4 can pass through the guide tube 33 for pile sinking. After the pile sinking is completed, grouting is poured into the guide tube 33 to increase the stability of the second assembly 2 and the support assembly 3. Preferably, after the grouting construction is completed, the two opposing semicircular rings on the guide tube 33 can be flipped closed and fixed with a pin, which is beneficial to the stability and consolidation of the grouting material 64.

[0033] Specifically, guide rings for the grouting pipe 7 are designed on the outer sides of the first conductor frame 11 and the second conductor frame 21. The outer side of the first ring plate 62 may be opened, and the grouting pipe 7 may pass through the opening. Both the guide ring and the opening may stabilize the grouting pipe 7. The guide ring may be made into a movable buckle to facilitate the passage of the grouting pipe 7 and limit its movable space.

[0034] Furthermore, the second component 2 and the supporting component 3 can be combined into one at the construction site; it is also possible to consider building the wind turbine tower 5 together with the first component 1.

[0035] If the seabed surface soil is relatively soft, which is not conducive to the free standing of the entire connection between the second component 2 and the supporting component 3 and the stability before piling, it is possible to consider adding an anti-sinking plate. The anti-sinking plate can be set on the supporting conductor frame 31. The skirt pile 4, size and other factors of the anti-sinking plate need to be confirmed by the designer before it can be put into use.

[0036] If the environment is harsh and the single skirt pile 4 structure beside each jacket leg cannot meet the design requirements, it may be considered to increase the single skirt pile 4 structure to a composite structure consisting of multiple skirt pile 4 structures.

[0037] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A combined wind turbine support structure of a split-type conduit frame and skirt piles, characterized in that: It includes a first component, a second component and a supporting component. The first direction end of the first component is connected to the wind turbine tower, the second direction end of the first component can be connected to the second component, the second direction end of the second component is connected to the supporting component, and the skirt piles can pass through the supporting component for pile sinking.

2. The combined wind turbine support structure of the split-type pipe frame and skirt piles according to claim 1 is characterized in that: The first component is connected to the second component via a connecting component, and after the second direction end of the first component is connected to the second component, it is fixed by grouting.

3. The combined wind turbine support structure of the split-type pipe frame and skirt piles according to claim 2 is characterized in that: The connecting component includes a first plug tip connected to the second direction end of the first component, and a first plug cavity is opened on the first direction end of the second component. The first plug tip can be inserted into the first plug cavity. After the first plug tip is inserted into the first plug cavity, grout is poured into the first plug cavity to fix the first component and the second component.

4. The combined wind turbine support structure of the split-type pipe frame and skirt piles according to claim 3 is characterized in that: The first direction end of the first plug tip is fixedly connected with a first ring plate. When the first plug tip is plugged into the first plug cavity, the first ring plate contacts the first direction end of the first plug cavity.

5. The combined wind turbine support structure of split-type pipe frame and skirt piles according to claim 3 is characterized in that: The opening of the first inserting cavity is provided with an inclined surface, so that the first inserting cavity is in a trumpet shape.

6. The combined wind turbine support structure of split-type pipe frame and skirt piles according to claim 1 is characterized in that: The first component includes a first conductor frame, a first cross brace is fixedly connected to the first direction end of the first conductor frame, the wind turbine tower is fixedly connected to the first cross brace via a flange, a first diagonal brace is fixedly connected between the first conductor frames, and the first direction end of the first diagonal brace is fixedly connected to the first cross brace.

7. The combined wind turbine support structure of the split-type pipe frame and skirt piles according to claim 6 is characterized in that: The first cross brace is fixedly connected with a first lifting ear, and the first lifting ear can be hooked with the lifting hook.

8. The combined wind turbine support structure of split-type pipe frame and skirt piles according to claim 1 is characterized in that: The second component includes a second conductor frame, a first direction end of the second conductor frame is fixedly connected to a second cross brace, a second oblique brace is fixedly connected between the second conductor frames, and a first direction end of the second oblique brace is fixedly connected to the second cross brace.

9. The combined wind turbine support structure of split-type pipe frame and skirt piles according to claim 8, characterized in that: The second cross brace is fixedly connected with a second lifting ear, and the second lifting ear can be hooked with the lifting hook.

10. The combined wind turbine support structure of split-type pipe frame and skirt piles according to claim 1, characterized in that: The support assembly includes a support guide frame, which is fixedly connected to the second assembly. One end of the support guide frame away from the second assembly is fixedly connected to a guide pipe. The skirt piles can pass through the guide pipe for pile sinking. After the pile sinking is completed, grouting is poured into the guide pipe.

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