A basic component

Abstract

The embodiment of the present application discloses a foundation component, including a monopile, a cable and a suction cylinder, wherein the monopile is located in the middle, the cable and the suction cylinder are evenly distributed along the circumference of the monopile, the lower end of the monopile and the suction cylinder are located below the mud surface, one end of the cable is connected to the monopile, and the other end of the cable is connected to the suction cylinder. The present application combines the monopile, the suction cylinder and the cable together to improve the rigidity and stability of the foundation component. Conventional foundation components are adapted to a water depth of 30m, and the foundation component disclosed in the present application can expand the water depth range to 50m or even deeper, thereby ensuring that the foundation component is adapted to deep-water sea areas, while reducing the structural cost of deep-water offshore wind turbines, and promoting the parity access to the grid for offshore wind turbines.

Description

Technical Field

[0001] The present application relates to the field of offshore wind power technology, and in particular to a foundation component. Background Art

[0002] Offshore wind power is gradually moving towards deep sea. Currently, single pile foundations among foundation components are suitable for water depths within 30m. It is difficult to use single pile foundations in deep water areas, and jacket foundations or floating pile foundations among foundation components are more commonly used.

[0003] However, the jacket foundation has many pipe nodes and fatigue is difficult to control; the floating pile foundation is still in the development stage and has a high cost, which is not conducive to the grid parity of offshore wind power.

[0004] The technical problem to be solved by this application is to reduce the cost of infrastructure components suitable for deep-water areas and promote grid parity for offshore wind power. Summary of the Invention

[0005] This application proposes a basic component to reduce the cost of basic components suitable for deep waters and promote grid parity for offshore wind power.

[0006] In order to achieve the above-mentioned purpose, the present application provides a foundation component suitable for deep waters, including a single pile, a stay cable and a suction cylinder.

[0007] One end of the stay cable is connected to the monopile, and the other end of the stay cable is connected to the suction cylinder;

[0008] It also includes an adjusting device for adjusting the restraining force of the inclined cable on the monopile according to the offshore working conditions. The adjusting device includes a sliding member and a power assembly. The sliding member is connected to the inclined cable and can slide along the axis of the monopile. The power assembly is used to drive the sliding member to slide along the axis of the monopile.

[0009] Preferably, in the above-mentioned basic component, the power assembly includes a winding machine and a steel wire rope,

[0010] The winding machine is installed on the monopile,

[0011] One end of the steel wire rope is connected to the winding machine, and the other end of the steel wire rope is connected to the sliding member.

[0012] Preferably, in the above foundation component, the sliding member is a sleeve, the sleeve is sleeved on the monopile, and a first connecting portion and a second connecting portion are provided on the circumference of the sleeve, the first connecting portion is connected to the inclined cable, and the second connecting portion is connected to the power assembly;

[0013] There are multiple power components and the steel wire ropes of the multiple power components are respectively connected to the second connection part, or there is one power component and the power component includes multiple steel wire ropes, and the multiple steel wire ropes are respectively connected to the second connection part.

[0014] Preferably, in the above-mentioned foundation component, the sliding member is a slider, and the single pile is provided with a sliding groove cooperating with the slider, and the number of the sliding grooves is multiple and evenly distributed along the circumference of the single pile;

[0015] There are multiple power assemblies and the steel wire ropes of the multiple power assemblies are respectively connected to the sliders, or there is only one power assembly and the power assembly includes multiple steel wire ropes, and the multiple steel wire ropes are respectively connected to the sliders.

[0016] Preferably, in the above foundation component, the sliding members are provided at at least two axial positions of the monopile.

[0017] Preferably, in the above-mentioned basic component, the sliding members at adjacent axial positions are connected by ropes.

[0018] The sliding member located at the uppermost end of the monopile is connected to the power assembly.

[0019] Preferably, in the above foundation component, the power assembly is installed at the upper end of the monopile.

[0020] Preferably, in the above foundation component, there are multiple suction cylinders, the multiple suction cylinders are evenly distributed along the circumference of the single pile, and the inclined cables correspond to the suction cylinders one by one.

[0021] Preferably, in the above foundation component, the diameter of the single pile is less than 10m.

[0022] Preferably, the above foundation component further comprises an anti-scouring cloth, and the anti-scouring cloth is located between adjacent inclined cables close to the mud surface.

[0023] The foundation components provided in the embodiments of the present application include a monopile, a stay cable, and a suction cylinder, wherein the monopile is located in the middle, the stay cables and the suction cylinder are evenly distributed along the circumference of the monopile, the lower end of the monopile and the suction cylinder are located below the mud surface, one end of the stay cable is connected to the monopile, and the other end of the stay cable is connected to the suction cylinder. The present application combines the monopile, the suction cylinder, and the stay cable together to improve the rigidity and stability of the monopile. The foundation components can extend the water depth range to 50m or even deeper, thereby ensuring that the foundation components are suitable for deepwater areas. At the same time, the foundation components disclosed in the present application use a combination of monopile, stay cables, and suction cylinders, which reduces the structural cost of deepwater offshore wind turbines and can promote the grid parity of offshore wind power. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the embodiments or prior art descriptions. Obviously, the drawings described below are only some examples or embodiments of the present application. For those of ordinary skill in the art, without paying any creative work, other drawings can be obtained based on the provided drawings, and the present application can also be applied to other similar scenarios based on the provided drawings. Unless it is obvious from the language context or otherwise explained, the same reference numerals in the figures represent the same structure or operation.

[0025] Figure 1 This is a structural diagram of a single pile foundation provided by the first embodiment of the present application;

[0026] Figure 2 This is a schematic structural diagram of a basic component provided by the second embodiment of the present application;

[0027] Figure 3 1 is a top view of a base member (without anti-scour cloth) provided in an embodiment of the present application;

[0028] Figure 4 It is a top view of the basic component (with anti-scour cloth) provided in an embodiment of the present application.

[0029] The reference numerals are as follows:

[0030] 1. Single pile, 2. Stay cable, 3. Suction cylinder, 4. Adjustment device, 41. Sliding part, 42. Power assembly, 5. Anti-scour cloth. DETAILED DESCRIPTION

[0031] The present application will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are merely for explaining the related application and are not intended to limit the application. The described embodiments are merely a portion of the embodiments of the present application and are not intended to be exhaustive. All other embodiments derived by persons of ordinary skill in the art based on the embodiments in the present application without creative effort are intended to fall within the scope of protection of the present application.

[0032] It should be noted that, for ease of description, only the parts related to the relevant applications are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0033] It should be understood that the terms "system," "device," "unit," and / or "module" used in this application are a method for distinguishing different components, elements, parts, portions, or assemblies at different levels. However, if other terms can achieve the same purpose, the terms may be replaced by other expressions.

[0034] As used in this application and the claims, unless the context clearly indicates an exception, the terms "a," "an," "an," and / or "the" are not intended to refer to the singular and may include the plural, unless the context clearly indicates otherwise. Generally speaking, the terms "comprises" and "include" only indicate the inclusion of the steps and elements specifically identified, and these steps and elements do not constitute an exclusive list. A method or apparatus may also include other steps or elements. The phrase "comprises a..." does not preclude the presence of additional identical elements in the process, method, product, or apparatus that includes the elements.

[0035] In the description of the embodiments of this application, unless otherwise specified, " / " represents or. For example, A / B can represent A or B. "And / or" in this article is simply a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of this application, "plurality" means two or more than two.

[0036] In the following, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the quantity of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0037] Flowcharts are used in this application to illustrate the operations performed by the systems according to the embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in exact order. Instead, the steps may be processed in reverse order or simultaneously. Furthermore, other operations may be added to these processes, or one or more operations may be removed from these processes.

[0038] See also Figure 1-Figure 4 .

[0039] Some embodiments of the present application disclose a foundation structure suitable for use in deepwater areas, comprising a monopile 1, a stay cable 2, and a suction cylinder 3. The monopile 1 is located in the middle, and the stay cables 2 and suction cylinder 3 are evenly distributed along the circumference of the monopile 1. The lower end of the monopile 1 and the suction cylinder 3 are located below the mud surface. One end of the stay cable 2 is connected to the monopile 1, and the other end of the stay cable 2 is connected to the suction cylinder 3. A certain angle is formed between the stay cable 2 and the monopile 1.

[0040] The present application combines a single pile 1, a suction cylinder 3 and a cable-stayed cable 2 together to improve the rigidity and stability of the foundation component. Conventional single pile components are adapted to a water depth of about 30m, while the foundation component disclosed in the present application can extend the water depth range to 50m or even deeper, thereby ensuring that the foundation component is adapted to deep-water sea areas. At the same time, the use of a low-cost combination of single piles 1, suction cylinders 3 and cable-stayed cables 2 reduces the structural cost of deep-water offshore wind turbines, which can promote the grid parity of offshore wind power.

[0041] The present application realizes the connection between the inclined cable 2 and the monopile 1 through the adjustment device 4. The adjustment device 4 includes a sliding member 41 and a power assembly 42. The sliding member 41 is connected to the inclined cable 2 and can slide along the axis of the monopile 1. The power assembly 42 is used to drive the sliding member 41 to slide along the axis of the monopile 1.

[0042] The present application can adjust the restraining force applied by the stay cable 2 on the monopile 1 through the adjusting device 4. The higher the position of the sliding member 41 on the monopile 1, the better the restraint on the monopile 1 and the higher the rigidity.

[0043] When the external load is large, such as strong winds and waves, the height of the connection between the inclined cable 2 and the monopile 1 is raised through the adjusting device 4, and the constraint of the inclined cable 2 on the monopile 1 is gradually increased, thereby reducing the horizontal displacement of the foundation component, improving the ability of the foundation component to resist the external load, and increasing the frequency of the whole machine. When the external load is small, the height of the connection between the inclined cable 2 and the monopile 1 is lowered through the adjusting device 4, so that the inclined cable 2 is in a state with low prestress, reducing damage to the inclined cable 2, and reducing the frequency of the whole machine.

[0044] This application adopts an automatic adjustment method to enable the basic components to cope with different sea conditions. When the external load is small, the inclined cable can be placed in a state with low prestress to increase the service life of the inclined cable 2. At the same time, in conjunction with the suction cylinder, the number of inclined cables 2 used can be reduced.

[0045] The use of the adjusting device 4 can provide convenience for maintenance personnel. The maintenance personnel can adjust the height of the inclined cable 2 on the monopile 1 as needed, thereby facilitating the maintenance personnel to inspect and repair the inclined cable 2 or the adjusting device 4.

[0046] The basic component disclosed in the present application does not need to be prestressed on the inclined cable 2 during installation. After all installations are completed, the prestress is increased by lifting the sliding member 41 .

[0047] In some embodiments of the present application, the power assembly 42 includes a winder and a steel wire rope. The winder is installed on the monopile 1 , one end of the steel wire rope is connected to the winder, and the other end of the steel wire rope is connected to the sliding member 41 .

[0048] Specifically, the winding machine winds up the wire rope, driving the sliding member 41 to move upward along the axis of the single pile 1, thereby increasing the constraint of the inclined cable 2 on the single pile 1; the winding machine releases the wire rope, and the sliding member 41 moves downward along the axis of the single pile 1 under the action of its own gravity, thereby placing the inclined cable 2 in a state with low prestress.

[0049] In other embodiments of the present application, the power assembly 42 is a telescopic cylinder (not shown in the figure), the cylinder body of the telescopic cylinder is installed on the single pile 1, and the telescopic rod of the telescopic cylinder is connected to the sliding member 41.

[0050] Specifically, the telescopic rod of the telescopic cylinder retracts, pulling the sliding member 41 to move upward along the axis of the single pile 1, thereby increasing the constraint of the inclined cable 2 on the single pile 1; the telescopic rod of the telescopic cylinder extends, pushing the sliding member 41 to move downward along the axis of the single pile 1, thereby placing the inclined cable 2 in a state of low prestress.

[0051] The sliding member 41 can slide along the axial direction of the monopile 1 .

[0052] In some embodiments of the present application, the sliding member 41 is a sleeve, which is sleeved on the monopile 1 and can slide along the axial direction of the monopile 1 .

[0053] Specifically, a first connecting portion and a second connecting portion are provided on the circumference of the sleeve, wherein the first connecting portion is connected to the inclined cable 2 , and the second connecting portion is connected to the power assembly 42 .

[0054] Preferably, along the axial direction of the monopile 1 , the height of the second connection portion is higher than the height of the first connection portion.

[0055] In order to enhance the stability of the sleeve sliding along the axis of the single pile 1, the present application provides multiple second connection parts in the circumferential direction of the sleeve, and the multiple second connection parts are evenly distributed along the circumference of the sleeve, so that the sleeve can withstand the driving force from the power assembly 42 in all directions of the circumference.

[0056] The power assembly 42 is connected to the sleeve, and there are three ways to set the power assembly 42.

[0057] In the first embodiment, there are multiple power assemblies 42 and the steel wire ropes of the multiple power assemblies 42 are respectively connected to the second connection part;

[0058] In the second type, there is only one power assembly 42, and one power assembly 42 includes multiple steel wire ropes, and the multiple steel wire ropes are respectively connected to the second connecting portion;

[0059] The third type is that the number of power components 42 is multiple and less than the number of first connecting parts, at least two steel ropes are set on one power component 42, and the sum of the number of steel ropes on multiple power components 42 is the number of first connecting parts.

[0060] There are multiple first connection parts, which are evenly distributed along the circumference of the sleeve. The first connection parts correspond to the inclined cables 2 one by one, so that the circumferential force of the single pile 1 is uniform, thereby improving the stability and rigidity of the single pile 1.

[0061] In the present application, the first connecting portion and the second connecting portion may be connecting holes, connecting ears, or connecting rings.

[0062] In another embodiment of the present application, the sliding member 41 is a slider. Accordingly, a sliding groove is provided on the single pile 1. The opening direction of the sliding groove is along the axial direction of the single pile 1. Accordingly, the sliding direction of the slider in the sliding groove is also along the axial direction of the single pile 1.

[0063] There are multiple chutes and they are evenly distributed along the axis of the single pile 1. Preferably, the chutes correspond to the diagonal rods one by one.

[0064] The power assembly 42 is connected to the slider, and there are three ways to set the power assembly 42.

[0065] The first type is that there are multiple power assemblies 42 and the steel wire ropes of the multiple power assemblies 42 are respectively connected to the slider;

[0066] The second type is that the number of the power assembly 42 is one, and one power assembly 42 includes multiple steel wire ropes, and the multiple steel wire ropes are respectively connected to the sliders;

[0067] The third type is that there are multiple power assemblies 42 and the number is less than the number of sliders. At least two steel ropes are set on one power assembly 42, and the sum of the number of steel ropes on multiple power assemblies 42 is the number of sliders.

[0068] In the present application, the sliding member 41 may be provided at only one axial position of the monopile 1 , or may be provided at at least two axial positions of the monopile 1 .

[0069] In the embodiment where the sliding members 41 are provided at at least two axial positions of the monopile 1 , the sliding members 41 located at different axial positions of the monopile 1 may use one set of power assemblies 42 or two sets of power assemblies 42 .

[0070] In an embodiment in which a group of power assemblies 42 are used for sliding members 41 at different axial positions, sliding members 41 at adjacent axial positions are connected by ropes. When the power assembly 42 drives the sliding member 41 at the highest position to move, the sliding member 41 at the highest position drives the adjacent sliding members 41 to move synchronously.

[0071] In the embodiment where the sliding members 41 are provided at at least two axial positions of the monopile 1 , the number of layers of the stay cables 2 is equal to the number of axial positions where the sliding members 41 are provided.

[0072] Multiple layers of the stay cables 2 can reduce the requirements on the stay cables 2 , so a suitable number of layers of the stay cables 2 can be selected according to the calculation requirements.

[0073] The use of the multi-layer sliding member 41 can reduce the requirements for the inclined cables 2 and the suction cylinders 3, further improve the displacement and rotation angle constraints of the basic components, and increase the frequency of the entire machine.

[0074] In some embodiments of the present application, the power assembly 42 is installed on a platform of the base member.

[0075] The present application does not specifically limit the number of the inclined cables 2, sleeves, power components 42 and suction cylinders 3. The specific number to be used is selected by those skilled in the art according to actual needs.

[0076] In some embodiments of the present application, the number of the inclined cables 2 is three, the number of the suction cylinders 3 is three, the number of the sleeves is one or two, and the number of the power components 42 is 4, 6 or 8.

[0077] There are multiple suction cylinders 3, which are evenly distributed around the circumference of the pile 1. The installation position of the suction cylinder 3 can be determined based on calculations, and the distance between the suction cylinder 3 and the center of the pile 1 is 20-50m.

[0078] In the present application, the suction cylinder 3 corresponds to the inclined cable 2 one by one. Here, the one-to-one correspondence can be that each suction cylinder 3 is connected to the inclined cable 2 at the corresponding position. Specifically, one suction cylinder 3 is connected to one inclined cable 2, or one suction cylinder 3 is connected to a group of inclined cables 2. A group of inclined cables 2 can include at least two inclined cables 2.

[0079] The foundation component disclosed in the present application also includes an anti-scouring cloth 5, which is connected to the lowest layer of inclined cables 2 to form a cover and shield between the suction cylinder 3 and the single pile 1, thereby playing an anti-scouring role, protecting the soil around the foundation component from being scoured, and ensuring the stability of the wind turbine foundation.

[0080] Preferably, the anti-scour cloth 5 is made of nylon cloth or polymer material that is not easily damaged.

[0081] In this application, the diameter of the single pile 1 is less than 10 m.

[0082] For deep waters, reducing the diameter of the single pile 1 can reduce the weight of the single pile 1 and reduce the transportation cost of the single pile 1;

[0083] The stability and rigidity of the single pile 1 are enhanced by the suction cylinder 3 and the inclined cable 2, so that the pile length can be reduced, which is beneficial for hoisting installation and piling, thereby reducing costs.

[0084] In some embodiments of the present application, the single pile 1 can adopt the suction cylinder 3, that is, the present application adopts the single pile suction cylinder 3, the suction cylinder 3 and the inclined cable 2 combination for driving, which does not require piling and saves piling costs.

[0085] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used, and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. The scope of application involved in this application is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned application concept. For example, the above-mentioned features are replaced with (but not limited to) technical features with similar functions disclosed in this application to form a technical solution.

Claims

1. A basic component, characterized in that: The invention is suitable for deep waters and comprises a single pile (1), a stay cable (2) and a suction cylinder (3). One end of the inclined cable (2) is connected to the single pile (1), and the other end of the inclined cable (2) is connected to the suction cylinder (3); It also includes an adjusting device (4) for adjusting the restraining force of the inclined cable (2) on the monopile (1) according to offshore working conditions, the adjusting device (4) includes a sliding member (41) and a power assembly (42), the sliding member (41) is connected to the inclined cable (2) and can slide along the axis of the monopile (1), and the power assembly (42) is used to drive the sliding member (41) to slide along the axis of the monopile (1).

2. The basic component according to claim 1, characterized in that: The power assembly (42) includes a winding machine and a steel wire rope, The winding machine is installed on the monopile (1), One end of the steel wire rope is connected to the winding machine, and the other end of the steel wire rope is connected to the sliding member (41).

3. The basic component according to claim 2, characterized in that: The sliding member (41) is a sleeve, the sleeve is sleeved on the monopile (1), and a first connecting portion and a second connecting portion are provided on the circumference of the sleeve, the first connecting portion is connected to the inclined cable (2), and the second connecting portion is connected to the power assembly (42); There are multiple power components (42) and the steel wire ropes of the multiple power components (42) are respectively connected to the second connection part, or there is one power component (42) and the power component (42) includes multiple steel wire ropes, and the multiple steel wire ropes are respectively connected to the second connection part.

4. The basic component according to claim 2, characterized in that: The sliding member (41) is a sliding block, and a sliding groove cooperating with the sliding block is provided on the single pile (1), and the number of the sliding grooves is multiple and evenly distributed along the circumference of the single pile (1); There are multiple power assemblies (42) and the steel wire ropes of the multiple power assemblies (42) are respectively connected to the slider, or there is one power assembly (42) and the power assembly (42) includes multiple steel wire ropes, and the multiple steel wire ropes are respectively connected to the slider.

5. The basic component according to claim 1, characterized in that: The sliding member (41) is arranged at at least two axial positions of the monopile (1).

6. The basic component according to claim 5, characterized in that: The sliding members (41) at adjacent axial positions are connected by ropes. The sliding member (41) located at the uppermost end of the monopile (1) is connected to the power assembly (42).

7. The basic component according to claim 1, characterized in that: The power assembly (42) is installed on the upper end of the monopile (1).

8. The basic component according to claim 1, characterized in that: There are a plurality of the suction cylinders (3), and the plurality of the suction cylinders (3) are evenly distributed along the circumference of the single pile (1), and the inclined cables (2) correspond to the suction cylinders (3) one by one.

9. The basic component according to claim 1, characterized in that: The diameter of the monopile (1) is less than 10 m.

10. The basic component according to claim 1, characterized in that: It also comprises an anti-scouring cloth (5), wherein the anti-scouring cloth (5) is located between adjacent inclined cables (2) close to the mud surface.

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