Marine berthing structure of offshore wind turbine generator and offshore wind turbine generator

Abstract

The utility model relates to a berthing structure of an offshore wind turbine generator and the offshore wind turbine generator. The berthing structure comprises two columnar samson posts, two hollow energy absorption structures and a connecting piece. The two energy absorption structures are detachably connected to one side of the foundation platform, the two energy absorption structures are oppositely arranged at intervals in the horizontal direction, the two samson posts are arranged in the height direction of the foundation platform and detachably connected to the sides, away from the foundation platform, of the two energy absorption structures correspondingly, and the two ends of the connecting piece are connected with the two samson posts correspondingly; the opposite faces of the two samson posts are arc-shaped faces, the two arc-shaped faces are arranged in a protruding mode in the direction away from each other, and the face, away from the foundation platform, of each samson post is an abutting plane used for abutting against a fender on the side of a ship, so that the contact area between the samson posts and the ship to be moored is increased, more berthing impact force can be absorbed, and the ship berthing effect is improved. The bearing capacity is high, the energy absorption and shock absorption effects and the buffering effect on the ship are good, and the berthing stability of the ship is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of offshore wind turbines, and in particular to a berthing structure of an offshore wind turbine and an offshore wind turbine. Background Art

[0002] The mooring device is an important structure installed on an offshore wind turbine. Its function is to absorb the kinetic energy generated by transport ships, supply ships and other ships when berthing, and reduce the impact and force of the ships on the offshore wind turbine.

[0003] Mooring parts are usually divided into rubber chord mooring parts and energy absorber type mooring parts. Since the rubber unit of rubber chord mooring parts protrudes from the surface of the mooring column, it is easy to fall off and be damaged when the ship repeatedly leans against or leans against the side. It needs to be replaced at any time, and the cost of replacing rubber is high and the replacement is troublesome. Energy absorber type mooring parts use steel structure round tubes as mooring parts, and take buffering measures such as adding tire rubber to the ship to reduce the impact force of berthing. Due to its high reliability and low cost, energy absorber type mooring parts are widely used.

[0004] However, in the related art, the energy absorption effect of the ship-supporting parts is poor, and the buffering effect on the ship is poor, resulting in poor docking stability of the ship. The impact force on the offshore wind turbine is large, and the safety of use is poor. Utility Model Content

[0005] In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a berthing structure of an offshore wind turbine and an offshore wind turbine.

[0006] In a first aspect, the present disclosure provides a mooring structure for an offshore wind turbine, which is arranged on a foundation platform of the wind turbine, and the mooring structure for the offshore wind turbine includes two columnar general columns, two hollow energy absorbing structures and a connecting piece;

[0007] The two energy absorbing structures are detachably connected to one side of the basic platform, the two energy absorbing structures are arranged opposite to each other in the horizontal direction and are arranged at intervals, the two general columns can be elastically deformed, the two general columns are arranged along the height direction of the basic platform, and are detachably connected to the sides of the two energy absorbing structures away from the basic platform, and the two ends of the connecting member are respectively connected to the two general columns;

[0008] The opposite sides of the two general columns are arcuate surfaces, and the two arcuate surfaces are respectively protruded in directions away from each other, and the side of each general column away from the basic platform is abutting plane for abutting against the fender on the side of the ship.

[0009] Optionally, each of the general columns is a hollow structure, and the inner cavity of each of the general columns is filled with a flexible energy absorbing member.

[0010] Optionally, the flexible energy absorbing member includes rubber, and the rubber is bonded to the inner wall of the general column.

[0011] Optionally, the general columns all include a hollow cylindrical body, a compensation structure and at least three protective layers;

[0012] The compensation structure is arranged along the axial direction of the cylindrical body on the side of the cylindrical body away from the connecting piece and is fixedly connected to the cylindrical body. The side of the compensation structure away from the base platform is flush with the side of the cylindrical body away from the base platform, and together they form the abutment plane. The side of the compensation structure away from the connecting piece is flush with the side of the cylindrical body away from the connecting piece, and together they form the arc surface. At least three of the protective layers are stacked and arranged on the outer wall of the cylindrical body and the compensation structure.

[0013] Optionally, the compensation structure includes a plurality of compensation rods and a plurality of flexible pads;

[0014] Each compensation rod is arranged along the axial direction of the cylindrical body, and multiple compensation rods are stacked. Flexible pads are arranged between two adjacent layers of compensation rods, and two adjacent compensation rods are fixedly connected, and each flexible pad is fixedly connected to an adjacent compensation rod.

[0015] Optionally, the abutting planes of the two general posts are coplanar, and anti-slip portions are provided on the two abutting planes;

[0016] And / or, the two general columns are general columns made of composite materials.

[0017] Optionally, the radial cross-section of each of the general columns is boot-shaped.

[0018] Optionally, each of the energy absorbing structures comprises at least two hollow energy absorbing tubes;

[0019] At least two energy absorbing tubes are arranged at intervals along the axial direction of the general column, one end of each energy absorbing tube is detachably connected to the base platform, and the other end of the energy absorbing tube is detachably connected to the corresponding general column, and each energy absorbing tube is filled with a flexible member.

[0020] Optionally, the connecting member includes a plurality of connecting rods, and the plurality of connecting rods are spaced apart along the axial direction of the general column.

[0021] In a second aspect, the present disclosure provides an offshore wind turbine generator set, comprising the above-mentioned berthing structure of the offshore wind turbine generator set.

[0022] Compared with the prior art, the technical solution provided by the embodiments of the present disclosure has the following advantages:

[0023] The berthing structure of an offshore wind turbine and an offshore wind turbine provided by the present disclosure are provided with two columnar general columns, two hollow energy absorbing structures and connecting pieces, the two energy absorbing structures are respectively connected to one side of a base platform, and the two energy absorbing structures are arranged oppositely in the horizontal direction and arranged at intervals, the two general columns can both be elastically deformed, the two general columns are arranged along the height direction of the base platform, and are respectively connected to the side of the two energy absorbing structures away from the base platform, and the two ends of the connecting piece are respectively connected to the two general columns. The opposite back surfaces of the two general columns are both arc-shaped surfaces, the two arc-shaped surfaces are respectively convexly arranged in directions away from each other, and the side of each general column away from the base platform is a contact plane for contacting with the fender on the side of the ship. By setting the side of the two general columns away from the basic platform as the abutment plane, the contact area between the general columns and the ship to be berthed is increased, that is, the contact area between the berthing structure and the ship is increased, so that the berthing structure can absorb more berthing impact force, has a strong bearing capacity, and has a better energy absorption and shock absorption effect and buffering effect on the ship, thereby improving the berthing stability of the ship, reducing the impact force on the offshore wind turbine to a certain extent, improving the use safety of the berthing structure, and providing a better use experience. At the same time, since the opposite sides of the two general columns are arc-shaped surfaces, and the two arc-shaped surfaces are respectively convexly arranged in directions away from each other, such an arrangement makes the outer wall surface of the general column facing the basic platform side relatively smooth, making the general column more prone to elastic deformation, improving the force transmission effect of the berthing impact force between the general column and the energy absorption structure, further improving the energy absorption and shock absorption performance and buffering performance of the berthing structure, and at the same time avoiding the occurrence of stress concentration at the general column to a certain extent, which helps to extend the service life and use safety of the berthing structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0026] Figure 1 A top view of the mooring structure of the offshore wind turbine generator system according to an embodiment of the present disclosure;

[0027] Figure 2 A side view of the mooring structure of the offshore wind turbine generator system according to an embodiment of the present disclosure;

[0028] Figure 3A top view of a mooring structure of an offshore wind turbine according to another embodiment of the present disclosure;

[0029] Figure 4 A cross-sectional view of a general column of a mooring structure of an offshore wind turbine according to another embodiment of the present disclosure;

[0030] Figure 5 An axonometric diagram of a blade segment formed by cutting the retired blades of a general column to form a berthing structure of an offshore wind turbine according to an embodiment of the present disclosure;

[0031] Figure 6 It is a cut-out exploded view of a blade segment forming a general column of a ship-mooring structure of an offshore wind turbine according to an embodiment of the present disclosure;

[0032] Figure 7 This is a schematic diagram of the partitioned structure of blades forming a general column of the berthing structure of the offshore wind turbine set according to the embodiment of the present disclosure;

[0033] Figure 8 This is a structural schematic diagram of the general column of the mooring structure of the offshore wind turbine set described in an embodiment of the present disclosure.

[0034] Among them, 1-general column; 11-columnar body; 12-protective layer; 13-compensation rod; 2-energy absorption structure; 3-connecting piece; 31-connecting rod; 4-blade; 41-D-beam; 42-V-beam; 5-ship; 6-fender; 7-base platform. DETAILED DESCRIPTION

[0035] In order to more clearly understand the above-mentioned objectives, features and advantages of the present disclosure, the scheme of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present disclosure, but the present disclosure may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present disclosure, rather than all of the embodiments.

[0037] refer to Figures 1 to 8 As shown, this embodiment provides a berthing structure of an offshore wind turbine generator set (hereinafter referred to as the berthing structure), and the berthing structure is arranged on a base platform 7 of the wind turbine generator set.

[0038] When the ship 5 is berthing, the ship 5 will come into contact with the berthing structure, and the ship 5 will absorb and slow down the kinetic energy generated by the ship 5 when berthing, thereby preventing the berthing impact force of the ship 5 from threatening the offshore wind turbine and the ship 5 itself.

[0039] Specifically, refer to Figures 1 to 4 as well as Figure 8As shown, the berthing structure includes two cylindrical general columns 1, two hollow energy absorbing structures 2 and a connecting member 3. The two energy absorbing structures 2 are detachably connected to one side of the base platform 7, and the two energy absorbing structures 2 are arranged opposite to each other in the horizontal direction and arranged at intervals. Both general columns 1 can undergo elastic deformation, and the two general columns 1 are arranged along the height direction of the base platform 7, and are detachably connected to the side of the two energy absorbing structures 2 away from the base platform 7, respectively, and the two ends of the connecting member 3 are respectively connected to the two general columns 1. The opposite sides of the two general columns 1 are both arc-shaped surfaces, and the two arc-shaped surfaces are respectively convexly arranged in directions away from each other, and the side of each general column 1 away from the base platform 7 is a contact plane for contacting with the fender 6 on the side of the ship 5.

[0040] When the ship 5 is berthing, the two abutting planes are in contact with the ship 5 and abut against the ship 5, so that the two abutting planes provide bearing and supporting force to the ship 5, so that the ship 5 can be berthed relatively stably.

[0041] By setting the sides of the two general columns 1 facing away from the basic platform 7 as abutment planes, the contact area between the general columns 1 and the ship 5 is increased, that is, the contact area between the mooring structure and the ship 5 is increased, so that the ship 5 can be berthed more easily, and the mooring structure can absorb more berthing impact force, and has a stronger bearing capacity for the ship 5, thereby improving the energy absorption and shock reduction effect and the buffering effect on the ship 5, and improving the docking stability of the ship 5, thereby reducing the impact force on the offshore wind turbine to a certain extent, improving the safety of the mooring structure and the ship 5, and providing a better user experience.

[0042] Furthermore, since the opposite sides of the two general columns 1 are both arc-shaped surfaces, and the two arc-shaped surfaces are respectively convexly arranged in directions away from each other, this arrangement makes the outer wall surface of the general column 1 facing the base platform 7 relatively smooth, thereby increasing the elastic deformation of the general column 1 and making it easier for the general column 1 to undergo elastic deformation, thereby improving the force transmission effect of the berthing impact force between the general column 1 and the energy absorbing structure 2, further improving the energy absorption and shock absorption performance and buffering performance of the berthing structure, and at the same time avoiding the occurrence of stress concentration at the general column 1 to a certain extent, which helps to extend the service life and safety of the berthing structure.

[0043] Since the energy absorbing structure 2 is detachably connected to the base platform 7, if one of the berthing structure and the base platform 7 is damaged and needs to be replaced, only the one to be replaced needs to be disassembled and replaced, which is convenient for installation and disassembly and helps save costs.

[0044] The energy absorbing structure 2 is also detachably connected to the general column 1, so that when one of the energy absorbing structure 2 and the general column 1 is damaged and needs to be replaced, only the one to be replaced needs to be removed and replaced. It is easy to install and disassemble, and convenient for maintenance and replacement, which further saves costs. At the same time, compared with the technical solution in the prior art that relies on welding the ship parts and the wind turbine generator set as a whole, it improves the convenience of replacement, shortens the replacement cycle to a certain extent, and facilitates the normal operation of the offshore wind turbine generator set.

[0045] The mooring structure of the offshore wind turbine and the offshore wind turbine provided in this embodiment are provided with two columnar general columns 1, two hollow energy absorbing structures 2 and connecting members 3, the two energy absorbing structures 2 are respectively connected to one side of the base platform 7, and the two energy absorbing structures 2 are arranged oppositely and spaced in the horizontal direction, the two general columns 1 are arranged along the height direction of the base platform 7, and are respectively connected to the side of the two energy absorbing structures 2 away from the base platform 7, and the two ends of the connecting member 3 are respectively connected to the two general columns 1. The opposite back surfaces of the two general columns 1 are both arcuate surfaces, and the two arcuate surfaces are respectively convexly arranged in directions away from each other, and the side of each general column 1 away from the base platform 7 is abutting plane for abutting against the fender 6 on the side of the ship 5. By setting the side of the two general columns 1 away from the basic platform 7 as the abutment plane, the contact area between the general column 1 and the ship 5 to be berthed is increased, that is, the contact area between the berthing structure and the ship 5 is increased, so that the berthing structure can absorb more berthing impact force, has a strong bearing capacity, and has a good energy absorption and shock absorption effect and buffering effect on the ship 5, thereby improving the berthing stability of the ship 5, reducing the impact force on the offshore wind turbine to a certain extent, improving the use safety of the berthing structure, and providing a good use experience. At the same time, since the opposite sides of the two general columns 1 are both arc-shaped surfaces, and the two arc-shaped surfaces are respectively convexly arranged in the direction away from each other, such an arrangement makes the outer wall surface of the general column 1 facing the basic platform 7 side relatively smooth, making the general column 1 more prone to elastic deformation, improving the force transmission effect of the berthing impact force between the general column 1 and the energy absorption structure 2, further improving the energy absorption and shock absorption performance and buffering performance of the berthing structure, and at the same time avoiding the occurrence of stress concentration at the general column 1 to a certain extent, which helps to extend the service life and use safety of the berthing structure.

[0046] In some embodiments, reference Figure 4 and Figure 8 As shown, each general column 1 is a hollow structure, and the inner cavity of each general column 1 is filled with a flexible energy absorbing member.

[0047] By setting the general column 1 as a hollow structure, it is easier to undergo elastic deformation. Under the same structure, the elastic deformation of the general column 1 is increased, and the energy absorption and shock reduction effect of the berthing structure is further improved, thereby further improving the docking stability of the ship 5.

[0048] In addition, the inner cavity of the general column 1 is filled with a flexible energy-absorbing member, which can undergo elastic deformation. This arrangement not only improves the bearing capacity of the general column 1 on the ship 5, but also further increases the energy absorption and shock reduction effect on the berthing impact force of the ship 5, so that the ship 5 can be docked more stably, reducing its impact force on the offshore wind turbine, and has higher safety in use.

[0049] In some embodiments, the flexible energy absorbing member includes rubber, which has a simple structure and is easy to manufacture. The rubber is bonded to the inner wall of the general column 1, and the connection is convenient and reliable, and the integrity is good.

[0050] In other embodiments, the flexible energy absorbing member may be, for example, sponge, foam, etc.

[0051] In some embodiments, reference Figure 4 and Figure 8 As shown, the general column 1 includes a hollow cylindrical body 11, a compensation structure and at least three protective layers 12. The compensation structure is arranged on the side of the cylindrical body 11 away from the connecting member 3 along the axial direction of the cylindrical body 11, and is fixedly connected to the cylindrical body 11. The side of the compensation structure away from the base platform 7 is flush with the side of the cylindrical body 11 away from the base platform 7, and together they form a contact plane. The side of the compensation structure away from the connecting member 3 is flush with the side of the cylindrical body 11 away from the connecting member 3, and together they form an arc surface. At least three protective layers 12 are stacked and arranged around the outer wall of the cylindrical body 11 and the compensation structure.

[0052] The radial cross-section of the columnar body 11 may be, for example, D-shaped, wherein the vertical surface of the columnar body 11 faces the connecting member 3, which facilitates its connection with the connecting member 3 and increases the connection strength between the columnar body 11 and the connecting member 3.

[0053] The arcuate surface of the columnar body 11 faces away from the connecting member 3, and the above-mentioned compensation structure is arranged on the side of the columnar body 11 away from the connecting member 3, and the compensation structure is located on the side of the columnar body 11 away from the basic platform 7, and the side of the compensation structure away from the basic platform 7 is flush with the side of the columnar body 11 away from the basic platform 7, and the sides of the two away from the basic platform 7 together form a contact plane. And the side of the compensation structure away from the connecting member 3 is flush with the side of the columnar body 11 away from the connecting member 3, and the sides of the two away from the connecting member 3 together form an arcuate surface, which has a simple structure and is easy to manufacture.

[0054] The compensation structure and the columnar body 11 can be bonded together, for example, by means of structural adhesive, which facilitates connection.

[0055] The protective layer 12 is arranged around the outer wall of the column 11 and the compensation structure. The protective layer 12 has a gathering and covering effect on the two, which not only increases the integrity of the column 11 and the compensation structure, but also improves the corrosion resistance of the column 11 and the compensation structure, helping to extend their service life.

[0056] The three protective layers 12 are stacked to form multiple protective functions. The protective layer 12 and the columnar body 11, and the protective layer 12 and the compensation structure can be bonded together, for example. Two adjacent protective layers 12 can also be bonded together by structural adhesive, for example.

[0057] In some implementations, the protective layer 12 may be, for example, a biaxial fiber cloth.

[0058] In some embodiments, reference Figure 4 , Figure 6 and Figure 8 As shown, the compensation structure includes a plurality of compensation rods 13 and a plurality of flexible pads (not shown). Each compensation rod 13 is arranged along the axial direction of the columnar body 11, and a plurality of compensation rods 13 are stacked, and a flexible pad is arranged between two adjacent layers of compensation rods 13, and two adjacent compensation rods 13 are fixedly connected, and each flexible pad is fixedly connected to the adjacent compensation rod 13, which has a simple structure, is easy to manufacture, and has a large elastic deformation.

[0059] In specific implementation, structural glue is applied at least on the outer surface of the column 11 away from the connecting member 3, and the outer surface of each compensation member is fully coated with structural glue, and then a layer of compensation rods 13 is arranged on the side of the column 11 away from the connecting member 3 in the horizontal direction to form a first layer of compensation rods; structural glue is fully applied on the outer surface of the flexible pad, and a layer of flexible pad is bonded on the side of the first layer of compensation rods facing the base platform 7 to form a first layer of flexible pad; then, another layer of compensation rods 13 is arranged on the side of the first layer of flexible pad facing the base platform 7 to form a second layer of compensation rods, and the cycle is repeated in sequence until the arc surface of the last layer of compensation rods 13 or the last layer of flexible pads is flush, and all compensation rods 13, all flexible pads, and the column 11 together form an integral structure.

[0060] Then, multiple layers of biaxial fiber cloth are arranged around the outer circumferential side of the overall structure. For example, the multiple layers of biaxial fiber cloth may be, for example, 6 layers.

[0061] Then, epoxy resin or the like is used to fill the gaps between the biaxial fiber cloth and the plurality of compensation rods 13 .

[0062] Finally, both ends of the compensation structure formed by combining multiple compensation rods 13 and multiple flexible pads and both ends of the columnar body 11 are sealed to form the above-mentioned general column 1, which is easy to manufacture, has a large elastic deformation, and has a good energy absorption and shock absorption effect.

[0063] It should be noted that the general column 1 of this embodiment can be made of the retired and discarded blades 4 of the wind turbine using the above-mentioned manufacturing steps. Since the blades 4 themselves are light and have good anti-corrosion performance, the retired blades 4 are used to make the general column 1, which not only reduces the overall weight of the berthing parts, but also avoids the use of anti-corrosion coatings. At the same time, the retired and discarded blades 4 are recycled and reused, giving full play to the remaining structural mechanical properties of the blades 4, which is green and environmentally friendly, and opens up a new way of utilizing the retired and discarded blades 4, which helps to save costs.

[0064] Of course, before using retired and discarded blades 4 to make the general column 1, its remaining mechanical properties need to be evaluated to meet the use requirements of the general column 1.

[0065] The residual mechanical properties of the blade 4 are evaluated, and the specific steps are as follows.

[0066] First, the structural rigidity of the blade 4 body is tested.

[0067] Exemplarily, blade 4 is placed on the test bench, a set of steel clamps are installed at both ends of blade 4 to fix the position of blade 4, and pads are placed to ensure that blade 4 is suspended on the surface of the test bench. External loads are applied to two positions on the same side of blade 4 using a hydraulic device. The surface paint of blade 4 at two different positions between the two hydraulic devices is scraped off, and strain gauges are pasted. Wires or laser displacement sensors are installed at the positions of blade 4 opposite to the two hydraulic devices, and the vertical displacements of the two positions where wires or laser displacement sensors are installed during the loading process are recorded.

[0068] Then, the structural performance of the blade 4 at the mesoscopic scale is evaluated.

[0069] For example, a fine cutting machine is used in the factory to obtain several standard specimens of key positions of blade 4 (main beam, leading edge panel and trailing edge panel, etc.), and the specimens are sent to a material testing and inspection institution for testing. Testing instruments such as a microscopic material tester and a mechanical tension and compression material testing machine are used to test the material composition of the glass fiber composite material of blade 4 and basic mechanical properties such as stiffness, ultimate strength and fatigue life.

[0070] In addition, other instruments can be used to detect parameters such as the moisture content of the sample to verify whether its performance meets expectations and to record key mechanical parameters.

[0071] Exemplarily, the blade 4 can be roughly divided into 5 sections along the span direction. The columnar body 11 of the general column 1 of this embodiment mainly uses the middle 3 sections, and does not use the root section and the tip section. Among them, the root section is a regular circular tubular shape, which can be processed into products such as window display cabinets, underground pipelines, and park rest huts. The tip section is small in size and weight, has poor bearing capacity, and has very limited recycling scenarios. The remaining three sections of the maximum chord length section, the middle section of the blade, and the tip section are all thin shell structures formed by airfoil curves, which are also the focus of recycling discarded blades 4.

[0072] In order to minimize material waste and maintain the structural integrity of the blade 4, a wire saw cutting scheme is used to cut the three middle blade segments into three blade segments with equal span lengths, such as Figure 7 As shown, the upper one is the V-shaped beam 42 of the trailing edge of the blade segment, and the lower one is the D-shaped beam 41 of the leading edge of the blade segment.

[0073] In addition, the geometric dimensions of the two ends of the three blade segments and the corresponding geometric centroids and the positions of the elastic centers are recorded respectively to facilitate the subsequent structural modeling and performance analysis of the blade 4.

[0074] The overall structure of blade 4 is a flat shell structure, and the main load-bearing part is the main beam (composed of the main beam cap and the web). A graded processing strategy is adopted to cut off the trailing edge side of the main beam of each blade segment, such as Figure 5 and Figure 6 As shown, a D-shaped beam (weight accounts for about 55% of the total weight of the blade 4) and a V-shaped beam 42 (weight accounts for about 55% of the total weight of the blade 4) are formed, and the V-shaped beam 42 is further cut using a lathe saw. According to the wall thickness of the beam, a plurality of compensation rods 13 with a long and slender shape with a nearly rectangular cross-section are obtained (the length is much larger than the size of the cross-section). The V-shaped beam 42 is the rear edge panel of the blade 4, and its shape has a certain degree of distortion, so the compensation rod 13 obtained is not completely straight, and it maintains a certain degree of flatness under the pressure of heavy objects. Finally, the cut surfaces of the D-shaped beam 41 and the compensation rod 13 are polished to remove burrs, and the remaining scraps (weight accounts for about 5% of the total weight of the blade 4) are treated as waste.

[0075] Thus, a discarded blade 4 can be cut to obtain three D-shaped beams 41 and a plurality of compensation rods 13, which can be combined using the above steps to form the general column 1 of the mooring structure of this embodiment. Figure 5 and Figure 6 shown.

[0076] In some embodiments, reference Figure 1 and Figure 3 As shown, the abutting planes of the two general columns 1 are coplanar, which, under the condition of the same structure, makes the contact area between the berthing structure and the ship 5 larger.

[0077] In specific implementation, anti-skid parts are provided on both abutting surfaces, which can not only increase the contact area between the general column 1 and the ship 5, but also have a certain shock-absorbing and buffering effect on the ship 5 during the berthing process, thereby further enhancing the energy absorption and shock-absorbing effect of the general column 1, and improving the buffering performance of the ship 5, making the ship 5 more stably docked.

[0078] In some embodiments, the two general pillars 1 are general pillars made of composite materials. For example, the general pillars 1 are made of a composite material of fiberglass and carbon fiber, and have good corrosion resistance and high reliability.

[0079] In some embodiments, reference Figure 4 and Figure 8 As shown, the radial cross-section of each general column 1 is a boot-shaped one, which has a simple structure and is easy to manufacture. It can ensure that the side in contact with the ship 5 and the connecting member 3 is a flat surface, and the side of the general column 1 away from the connecting member 3 is an arc-shaped surface, thereby ensuring that the general column 1 can be elastically deformed relatively easily with a large deformation amount.

[0080] In some embodiments, reference Figure 1 and Figure 3 As shown, each energy absorbing structure 2 includes at least two hollow energy absorbing tubes, and at least two energy absorbing tubes are arranged at intervals along the axial direction of the general column 1. One end of each energy absorbing tube is detachably connected to the base platform 7, and the other end of the energy absorbing tube is detachably connected to the corresponding general column 1, and each energy absorbing tube is filled with flexible parts.

[0081] That is to say, each general column 1 is detachably connected to the base platform 7 through multiple energy absorbing tubes, and multiple energy absorbing tubes are arranged between the corresponding general columns 1 and the energy absorbing tubes along the axial intervals of the general columns 1, so that the connection strength between each general column 1 and the base platform 7 is relatively high and the bearing capacity is relatively uniform. At the same time, since the energy absorbing tube is a hollow structure, that is, the inner cavity of the energy absorbing tube is formed as an energy absorbing cavity, the energy absorbing and shock absorbing effect of the energy absorbing tube is improved, so that the energy absorbing and shock absorbing effect and buffering effect of the berthing structure on the ship 5 are better, thereby improving the docking stability of the ship 5, reducing the impact force on the offshore wind turbine to a certain extent, improving the safety of the berthing structure, and providing a better user experience.

[0082] The inner cavity of each energy absorbing tube is filled with a flexible part, the deformation amount of the flexible part is relatively large, and the energy absorption and shock absorption effect is better, so that the energy absorption and shock absorption performance of the energy absorbing tube is better.

[0083] In some embodiments, reference Figure 2 As shown, the connecting member 3 includes a plurality of connecting rods 31, and the plurality of connecting rods 31 are arranged at intervals along the axial direction of the general column 1, so that the connection strength between the two general columns 1 is relatively high, and the plurality of connecting rods 31 are combined to form a ladder, which is convenient for workers to board the basic platform 7, and has strong practicality.

[0084] This embodiment also provides an offshore wind turbine generator set, which includes a berthing structure.

[0085] The mooring structure in this embodiment has the same specific structure and implementation principle as the mooring structure provided in the above embodiment, and can bring the same or similar technical effects, which will not be described one by one here, and the details can be referred to the description of the above embodiment.

[0086] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0087] The above description is only a specific embodiment of the present disclosure, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to the embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A berthing structure for an offshore wind turbine, arranged on a foundation platform (7) of the wind turbine, characterized in that: The mooring structure of the offshore wind turbine generator set comprises two cylindrical general columns (1), two hollow energy absorption structures (2) and a connecting piece (3); The two energy absorbing structures (2) are detachably connected to one side of the base platform (7); the two energy absorbing structures (2) are arranged opposite to each other in the horizontal direction and are spaced apart; the two general columns (1) can both undergo elastic deformation; the two general columns (1) are arranged along the height direction of the base platform (7) and are detachably connected to the sides of the two energy absorbing structures (2) that are away from the base platform (7); and the two ends of the connecting member (3) are respectively connected to the two general columns (1); The opposite sides of the two general columns (1) are arc-shaped surfaces, and the two arc-shaped surfaces are respectively convexly arranged in directions away from each other, and the side of each general column (1) facing away from the basic platform (7) is a contact plane for contacting with the fender (6) on the side of the ship (5).

2. The mooring structure of the offshore wind turbine according to claim 1, characterized in that: Each of the general columns (1) is a hollow structure, and the inner cavity of each of the general columns (1) is filled with a flexible energy absorbing member.

3. The mooring structure of the offshore wind turbine according to claim 2, characterized in that: The flexible energy absorbing member comprises rubber, and the rubber is bonded to the inner wall of the general column (1).

4. The mooring structure of an offshore wind turbine according to claim 1, characterized in that: The general column (1) comprises a hollow cylindrical body (11), a compensation structure and at least three protective layers (12); The compensation structure is arranged along the axial direction of the cylindrical body (11) on a side of the cylindrical body (11) facing away from the connecting piece (3), and is fixedly connected to the cylindrical body (11); a side of the compensation structure facing away from the basic platform (7) is flush with a side of the cylindrical body (11) facing away from the basic platform (7), and together they form the abutment plane; a side of the compensation structure facing away from the connecting piece (3) is flush with a side of the cylindrical body (11) facing away from the connecting piece (3), and together they form the arc surface; at least three protective layers (12) are stacked and arranged around the outer wall of the cylindrical body (11) and the compensation structure.

5. The mooring structure of the offshore wind turbine according to claim 4, characterized in that: The compensation structure comprises a plurality of compensation rods (13) and a plurality of flexible pads; Each of the compensation rods (13) is arranged along the axial direction of the columnar body (11), a plurality of the compensation rods (13) are stacked, a flexible pad is arranged between two adjacent layers of compensation rods (13), two adjacent compensation rods (13) are fixedly connected, and each flexible pad is fixedly connected to an adjacent compensation rod (13).

6. The mooring structure of an offshore wind turbine according to claim 1, characterized in that: The abutting planes of the two general posts (1) are coplanar, and anti-slip portions are provided on the two abutting planes; And / or, the two general columns (1) are general columns made of composite materials.

7. The mooring structure of an offshore wind turbine according to claim 1, characterized in that: The radial cross-section of each general column (1) is a boot-shaped one, that is, the side of the general column (1) in contact with the ship (5) and the connecting member (3) is a plane, and the side of the general column (1) facing away from the connecting member (3) is an arcuate surface.

8. The mooring structure of an offshore wind turbine according to claim 1, characterized in that: Each of the energy absorbing structures (2) comprises at least two hollow energy absorbing tubes; At least two of the energy absorbing tubes are arranged at intervals along the axial direction of the general column (1); one end of each of the energy absorbing tubes is detachably connected to the base platform (7); the other end of the energy absorbing tube is detachably connected to the corresponding general column (1); and each of the energy absorbing tubes is filled with a flexible member.

9. The mooring structure of an offshore wind turbine according to claim 1, characterized in that: The connecting member (3) comprises a plurality of connecting rods (31), and the plurality of connecting rods (31) are arranged at intervals along the axial direction of the general column (1).

10. An offshore wind turbine generator system, characterized in that: The invention comprises a berthing structure for an offshore wind turbine as claimed in any one of claims 1 to 9.

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