A wind-fish mechanism combining a floating wind turbine and an oyster farm and a simulation method

Abstract

The application discloses a wind-fish mechanism and simulation method combining floating wind turbines and oyster field, and belongs to the technical field of wind power engineering, which comprises floating wind turbines, four groups of the floating wind turbines are arranged in a rectangular distribution, and the bottom end of each floating wind turbine is provided with an anchoring line, and a shared mooring line is arranged between adjacent floating wind turbines. The four groups of floating wind turbines are arranged in a rectangular distribution, one group of anchoring lines is used to preliminarily fix the floating wind turbines, the shared mooring lines are used to reinforce the adjacent floating wind turbines, and a rectangle is formed, then the oyster field is arranged between the floating wind turbines, and finally, the oyster field is connected with the shared mooring lines through a connecting mechanism. When the device is used, the material and installation cost of the mooring / anchoring system of the floating wind farm is significantly reduced, and on the other hand, the middle area is used to develop the oyster field and breeding pasture, which has the characteristics of intensive sea use and three-dimensional sea use.

Description

TECHNICAL FIELD

[0001] The present application relates to a wind and fish mechanism, in particular to a floating wind turbine and oyster field combined wind and fish mechanism, and relates to a simulation method, in particular to a floating wind turbine and oyster field combined simulation method, and belongs to the technical field of wind power engineering. BACKGROUND

[0002] The development of deep-sea wind energy and fishery resources not only increases the technical difficulty, but also has the disadvantages of high cost, poor economy, low sea area utilization rate and difficulty in commercialization of single form of marine resource development equipment. Under this background, the development of a multi-fusion development mode for comprehensive utilization of marine energy and fishery resources has the advantages of intensive sea use and three-dimensional sea use, and is also an effective way to promote the large-scale commercial development of deep-sea offshore wind power and modern marine ranching. The integrated development of offshore wind power and marine ranching can share offshore space resources, design, construction and operation cooperatively, reduce the design, construction and operation costs of separate development, and improve the overall benefits of comprehensive development. Therefore, the integrated development of offshore wind power and marine ranching is of great significance to promote the intelligent and deep-sea development of offshore wind power and marine ranching.

[0003] Therefore, a floating wind turbine and oyster field combined wind and fish mechanism and simulation method are designed to optimize the above problems. SUMMARY

[0004] The main purpose of the present application is to provide a floating wind turbine and oyster field combined wind fishing mechanism and simulation method. Four groups of floating wind turbines are distributed in a rectangular shape, and each group is preliminarily fixed by a group of anchoring lines. Adjacent floating wind turbines are reinforced by shared mooring lines, and a rectangular shape is formed. An oyster field is arranged between the floating wind turbines. Finally, the oyster field is connected to the shared mooring line by a connecting mechanism. The device significantly reduces the cost of material and installation of the floating wind farm mooring / anchoring system. On the other hand, by developing an oyster field in the middle area, it has the characteristics of intensive use of sea and three-dimensional use of sea. This wind-fishing integration mode based on shared mooring system realizes the sharing of offshore space resources, and the design, construction and operation are coordinated. It can reduce the design, construction and operation cost of the floating wind farm developed independently, improve the overall benefit of comprehensive development, and facilitate the use of the oyster field for positioning by the suspension assembly composed of the arc-shaped hook, connecting column, hidden slot, arc-shaped stop rod and positioning part at the end of the oyster mooring line. The use length of the oyster mooring line can be controlled according to the size of the oyster field during use to ensure the stable installation of the oyster field. The utility is higher. In addition, the connecting assembly composed of the limiting ring and connecting rope between adjacent oyster mooring lines can facilitate the use of the suspension assembly during the installation of the oyster field.

[0005] The purpose of the present application can be achieved by adopting the following technical solutions:

[0006] A floating wind turbine and oyster field combined wind fishing mechanism, comprising a floating wind turbine, the floating wind turbine is provided with four groups, and the floating wind turbine is distributed in a rectangular shape. The bottom end of the floating wind turbine is provided with an anchoring line. Adjacent floating wind turbines are provided with shared mooring lines. A plurality of shared mooring lines form a rectangle. A plurality of anchoring lines are located at the corners of the rectangle formed by the shared mooring lines and extend to the diagonal direction. A plurality of floating wind turbines are provided with an oyster field horizontally. The side of the oyster field is provided with a connecting mechanism between the shared mooring lines.

[0007] Preferably, the floating wind turbine comprises a Y-shaped float, a vertical column, a tower and a wind turbine. The Y-shaped float floats on the sea surface. The end and the middle position of the Y-shaped float are vertically provided with vertical columns. The vertical column at the middle position of the top of the Y-shaped float is vertically provided with a tower. The top of the tower is provided with a wind turbine. The anchoring line is installed at one end of the Y-shaped float.

[0008] Preferably, the connecting mechanism comprises oyster bank mooring lines, hanging assemblies, buoys, winding assemblies and connecting assemblies, the oyster bank mooring lines are located between oyster bank fields and shared mooring lines, one end of the oyster bank mooring lines is provided with a hanging assembly, and the hanging assembly is installed on the oyster bank field, the oyster bank mooring lines are all provided with buoys, the shared mooring lines are all provided with winding assemblies along the length direction, the oyster bank mooring lines are all installed on the winding assemblies away from the oyster bank field, and the connecting assemblies are arranged between adjacent oyster bank mooring lines.

[0009] Preferably, the hanging assembly comprises an arc-shaped hook, a connecting column, a hidden groove, an arc-shaped stop rod and a positioning portion, one end of the arc-shaped hook is fixed with the connecting column, the oyster bank mooring line is fixed on the connecting column, one end of the arc-shaped hook away from the connecting column is provided with the hidden groove, the arc-shaped stop rod is slidably arranged in the hidden groove, and the connecting column is internally provided with the positioning portion for fixing the arc-shaped stop rod.

[0010] Preferably, the positioning portion comprises a sliding groove, an insertion block, a reset spring, an insertion groove and a pulling block, the sliding groove is arranged in the connecting column, the end of the sliding groove is communicated with the outside of the connecting column, the insertion block is slidably arranged in the sliding groove, the reset spring is arranged between the insertion block and the inner end of the sliding groove, the end of the arc-shaped stop rod is provided with the insertion groove matched with the insertion block, and the side of the insertion block is fixed with the pulling block which is slidably connected with the connecting column.

[0011] Preferably, the insertion block is in the shape of a right-angled trapezoid, and the oblique edges of the insertion block are directed to the openings on the sliding groove and the connecting column.

[0012] Preferably, the winding assembly comprises a shell, a winding rod, a through opening and a rotating portion, the shell is fixed on the shared mooring line, the winding rod is rotatably arranged between the two ends of the shell, the through opening is arranged on the outer side of the shell, the oyster bank mooring line enters the inside of the shell through the through opening and is fixed on the winding rod, and the end of the winding rod is provided with the rotating portion.

[0013] Preferably, the winding assembly comprises a shell, a winding rod, a through opening and a rotating portion, the shell is fixed on the shared mooring line, the winding rod is rotatably arranged between the two ends of the shell, the through opening is arranged on the outer side of the shell, the oyster bank mooring line enters the inside of the shell through the through opening and is fixed on the winding rod, and the end of the winding rod is provided with the rotating portion.

[0014] Preferably, the connecting assembly comprises a limiting ring and a connecting rope, the limiting ring is sleeved on the oyster bank mooring line, and the connecting rope is arranged between adjacent limiting rings.

[0015] The application also provides a simulation method combining a floating wind turbine and an oyster bank field, comprising the following steps:

[0016] Step one: for the floating wind turbine, the wind turbine adopts the blade momentum theory, each blade is divided into a radial section, according to the blade geometry and local flow conditions, the lift, drag, axial force, tangential force and torque of the blade unit are calculated, so as to determine the aerodynamic load of the wind turbine;

[0017] Step two: for the floating wind turbine, the floating foundation includes large size structure Y-shaped buoy, column, tower, the three-dimensional potential flow theory method is adopted to calculate the hydrodynamic performance, the potential flow solving adopts the time domain method to carry out Fourier transform on the radiation damping, additional mass and wave excitation force obtained by frequency domain analysis, to obtain the additional mass, delay function and wave excitation force in time domain, and then the motion equation of the floating body structure in time domain is established;

[0018] Step three: for the oyster culture field small scale structure, the Morison formula method is adopted to calculate the hydrodynamic load, and the additional mass effect and viscous resistance effect are mainly considered;

[0019] Step four: the concentrated mass method is used for dynamic calculation of the structure dynamics of the anchoring line, shared mooring line and connecting mechanism, the mooring line is divided into small sections, each small section is represented by a mass point, adjacent mass points are connected by springs, and the external force on the mooring line is regarded as acting on the mass point;

[0020] Step five: based on steps one to five, a multi-body coupled dynamics analysis model of the wind-fish mechanism combined with the floating wind turbine and the oyster culture field is constructed.

[0021] The beneficial effects of the present application are:

[0022] The wind-fish mechanism and simulation method provided by the present application, by arranging four groups of floating wind turbines in a rectangular distribution, and using a group of anchoring lines to preliminarily fix the floating wind turbines, then reinforcing the adjacent floating wind turbines by using shared mooring lines, and surrounding a rectangle, then setting an oyster culture field between the floating wind turbines, and finally connecting the oyster culture field and the shared mooring line by using a connecting mechanism, so that the device significantly reduces the material and installation cost of the mooring / anchoring system of the floating wind farm during use, on the other hand, by developing an oyster culture field in the middle area, it has the characteristics of intensive sea use and three-dimensional sea use, this wind-fish integration mode based on the shared mooring system realizes the sharing of offshore space resources, and the design, construction and operation are coordinated, which can reduce the design, construction and operation cost of the floating wind farm developed alone, and improve the overall benefit of comprehensive development;

[0023] The suspension assembly composed of the arc-shaped hook at the end of the oyster row mooring line, the connecting column, the hidden groove, the arc-shaped blocking rod and the positioning part can conveniently clamp and position the oyster row field during use, and the winding assembly composed of the upper shell of the shared mooring line, the winding rod, the through opening, the worm gear, the worm and the adjusting groove can control the use length of the oyster row mooring line according to the size of the oyster row field during use, thereby ensuring the installation stability of the oyster row field and being more practical, and in addition, the connecting assembly composed of the limiting ring and the connecting rope arranged between the adjacent oyster row mooring lines can conveniently use the suspension assembly during the installation of the oyster row field. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is an installation and use state diagram of a preferred embodiment of the wind and fish mechanism and simulation method combining the floating type wind fan and the oyster row field;

[0025] Figure 2 It is a floating type wind fan structure diagram of a preferred embodiment of the wind and fish mechanism and simulation method combining the floating type wind fan and the oyster row field;

[0026] Figure 3 It is a suspension assembly diagram of a preferred embodiment of the wind and fish mechanism and simulation method combining the floating type wind fan and the oyster row field;

[0027] Figure 4 It is a Figure 3 enlarged view of B in the above figure;

[0028] Figure 5 It is a winding assembly diagram of a preferred embodiment of the wind and fish mechanism and simulation method combining the floating type wind fan and the oyster row field;

[0029] Figure 6 It is a Figure 1 enlarged view of A in the above figure;

[0030] Figure 7 It is a connecting assembly diagram of a preferred embodiment of the wind and fish mechanism and simulation method combining the floating type wind fan and the oyster row field;

[0031] Figure 8 It is a system diagram of a preferred embodiment of the wind and fish mechanism and simulation method combining the floating type wind fan and the oyster row field.

[0032] In the figure: 1, floating type wind fan; 101, Y-shaped float; 102, stand column; 103, tower barrel; 104, wind fan;

[0033] 2, anchor line; 3, shared mooring line; 4, oyster rack field;

[0034] 5, connecting mechanism; 501, oyster rack mooring line;

[0035] 502, hanging assembly; 5021, arc-shaped hook; 5022, connecting column; 5023, hidden groove; 5024, arc-shaped stop rod;

[0036] 5025, positioning part; 50251, sliding groove; 50252, plug; 50253, reset spring; 50254, insertion slot; 50255, drag block;

[0037] 503, buoy;

[0038] 504, winding and unwinding assembly; 5041, shell; 5042, winding rod; 5043, through hole; 5044, worm gear; 5045, worm; 5046, adjusting groove;

[0039] 505, connecting assembly; 5051, limiting ring; 5052, connecting rope. DETAILED DESCRIPTION

[0040] In order for those skilled in the art to more clearly and clearly understand the technical solutions of the present application, the present application will be further described in detail below in conjunction with the embodiments and drawings, but the embodiments of the present application are not limited thereto.

[0041] As shown in Figures 1-8 The present embodiment provides a wind-fish mechanism combining floating wind turbines and oyster rack fields, which comprises four groups of floating wind turbines 1, and the floating wind turbines 1 are arranged in a rectangular shape. The bottom end of each floating wind turbine 1 is provided with an anchor line 2, and a shared mooring line 3 is arranged between adjacent floating wind turbines 1. Multiple shared mooring lines 3 form a rectangle, and multiple anchor lines 2 are arranged at the corners of the rectangle formed by the shared mooring lines 3 and extend towards the diagonal. An oyster rack field 4 is arranged horizontally between the multiple floating wind turbines 1, and a connecting mechanism 5 is arranged between the side edge of the oyster rack field 4 and the shared mooring line 3.

[0042] The overall working principle is as follows: when installing, four groups of floating wind turbines 1 are installed in a rectangular shape, and each floating wind turbine 1 is fixed at the bottom end by an anchor line 2. Then, the shared mooring lines 3 are used to connect adjacent floating wind turbines 1. At this time, the multiple floating wind turbines 1 form a mutual restraint effect, which can ensure the relative stability of the floating wind turbines 1 and reduce the cost of installation. After the installation of the floating wind turbines 1 is completed, the oyster rack field 4 is placed between the multiple floating wind turbines 1, and the position of the oyster rack field 4 is fixed by the connecting mechanism 5. The fixation of the oyster rack field 4 relies on the floating wind turbine 1 system, which realizes the sharing of offshore space resources and collaborative design, construction and operation.

[0043] In the embodiment, the floating wind turbine 1 comprises a Y-shaped floating pontoon 101, a column 102, a tower 103 and a wind turbine 104, the Y-shaped floating pontoon 101 floats on the sea surface, the column 102 is vertically arranged at the end and the middle position of the Y-shaped floating pontoon 101, the tower 103 is vertically arranged on the column 102 at the middle position of the top end of the Y-shaped floating pontoon 101, the wind turbine 104 is installed at the top end of the tower 103, and the anchoring line 2 is installed at one end of the Y-shaped floating pontoon 101.

[0044] The local working principle is that, in the installation process of the floating wind turbine 1, the Y-shaped floating pontoon 101 is first built, then the anchoring line 2 is used for pulling and fixing, the shared mooring line 3 is used for positioning, and then the tower 103 and the wind turbine 104 are installed.

[0045] In the embodiment, the connecting mechanism 5 comprises oyster raft mooring lines 501, suspension assemblies 502, buoys 503, releasing assemblies 504 and connecting assemblies 505, the oyster raft mooring lines 501 are located between the oyster raft field 4 and the shared mooring line 3, one end of the oyster raft mooring line 501 is provided with the suspension assembly 502, the suspension assembly 502 is installed on the oyster raft field 4, the oyster raft mooring line 501 is provided with the buoy 503, the shared mooring line 3 is provided with the releasing assembly 504 along the length direction, the oyster raft mooring line 501 away from the oyster raft field 4 is installed on the releasing assembly 504, and the connecting assembly 505 is arranged between adjacent oyster raft mooring lines 501.

[0046] The local working principle is that, in the installation of the oyster raft field 4, the oyster raft units are connected into a piece by means of a cable or the like to form an oyster raft field 4 for large sea area culture, the oyster raft field 4 is in the shape of a rectangle, the side edges are parallel to the shared mooring line 3, the oyster raft mooring line 501 inside the releasing assembly 504 is released, the suspension assembly 502 at the end of the oyster raft mooring line 501 is clamped on the side edge of the oyster raft field 4, the oyster raft field 4 and the shared mooring line 3 are integrated, and the buoy 503 is used for suspension support.

[0047] In the embodiment, the suspension assembly 502 comprises an arc-shaped hook 5021, a connecting column 5022, a hidden groove 5023, an arc-shaped blocking rod 5024 and a positioning portion 5025, one end of the arc-shaped hook 5021 is fixedly provided with the connecting column 5022, the oyster raft mooring line 501 is fixed on the connecting column 5022, the end of the arc-shaped hook 5021 away from the connecting column 5022 is provided with the hidden groove 5023, the arc-shaped blocking rod 5024 is slidably arranged in the hidden groove 5023, and the connecting column 5022 is provided with the positioning portion 5025 for fixing the arc-shaped blocking rod 5024.

[0048] Local working principle: when installing the oyster row field 4, the arc-shaped stop rod 5024 is initially located inside the arc-shaped hook 5021, the arc-shaped hook 5021 is first clamped at the side of the oyster row field 4, then the arc-shaped stop rod 5024 is pulled out and wrapped around the cylinder at the side of the oyster row field 4, and the end of the arc-shaped stop rod 5024 is fixed through the positioning part 5025, and the arc-shaped hook 5021 and the arc-shaped stop rod 5024 are circularly sleeved on the cylinder at the side of the oyster row field 4.

[0049] In this embodiment, the positioning part 5025 includes a sliding groove 50251, an insertion block 50252, a reset spring 50253, an insertion groove 50254 and a drag block 50255, the sliding groove 50251 is opened in the inside of the connecting column 5022, and the end of the sliding groove 50251 is in communication with the outside of the connecting column 5022, the insertion block 50252 is slidably installed in the inside of the sliding groove 50251, the reset spring 50253 is arranged between the insertion block 50252 and the inner end of the sliding groove 50251, the end of the arc-shaped stop rod 5024 is provided with the insertion groove 50254 matched with the insertion block 50252, and the side of the insertion block 50252 is fixed with the drag block 50255, and the drag block 50255 is slidably connected with the connecting column 5022.

[0050] Local working principle: after the end of the arc-shaped stop rod 5024 is inserted into the inside of the sliding groove 50251, the reset spring 50253 applies a pushing force to insert the insertion block 50252 into the inside of the insertion groove 50254 to position the end of the arc-shaped stop rod 5024, so as to avoid the arc-shaped stop rod 5024 from being pulled out of the inside of the sliding groove 50251, since the oyster row field 4 has a certain service life, generally 4-5 years, when the oyster row field 4 is replaced, the insertion block 50252 is controlled to slide through the drag block 50255, is pulled out from the inside of the insertion groove 50254, then the arc-shaped stop rod 5024 is pulled out and is pressed into the inside of the hidden groove 5023, and finally the arc-shaped hook 5021 is removed.

[0051] In this embodiment, the insertion block 50252 is in the shape of a right trapezoid, and the hypotenuse of the insertion block 50252 faces the opening on the sliding groove 50251 and the connecting column 5022.

[0052] Local working principle: after the arc-shaped stop rod 5024 is inserted into the inside of the sliding groove 50251, the hypotenuse of the insertion block 50252 can be directly contacted to press the insertion block 50252 into the inside of the sliding groove 50251, and after the arc-shaped stop rod 5024 is inserted, the insertion block 50252 is automatically reset under the action of the reset spring 50253 to complete the automatic locking of the arc-shaped stop rod 5024, and the use is more convenient.

[0053] In the embodiment, the winding and releasing assembly 504 comprises a shell 5041, a winding rod 5042, a through hole 5043 and a rotating part, the shell 5041 is fixed on the shared mooring line 3, the winding rod 5042 is rotatably installed between the two ends of the shell 5041, the through hole 5043 is formed on the outer side of the shell 5041, the oyster raft mooring line 501 enters the inside of the shell 5041 through the through hole 5043 and is fixed on the winding rod 5042, and the end of the winding rod 5042 is provided with the rotating part.

[0054] Local working principle: due to the different sizes of the oyster raft field 4, in the fixing process, the rotation of the winding rod 5042 is controlled by the rotating part, the oyster raft mooring line 501 is released first, after the end of the oyster raft mooring line 501 is connected with the oyster raft field 4, the oyster raft mooring line 501 is tensioned by controlling the reverse rotation of the winding rod 5042, and the oyster raft field 4 is controlled to float on the sea surface.

[0055] In the embodiment, the rotating part comprises a worm wheel 5044, a worm gear 5045 and an adjusting groove 5046, the worm wheel 5044 is installed at the end of the winding rod 5042, the worm gear 5045 is rotatably installed at the end of the shell 5041 and is engaged with the outer side of the worm wheel 5044, one end of the worm gear 5045 extends to the outside of the shell 5041, and the end of the worm gear 5045 outside the shell 5041 is provided with the adjusting groove 5046.

[0056] Local working principle: when the rotation of the winding rod 5042 is controlled, the rotation of the worm gear 5045 is controlled by inserting a hexagonal wrench into the inside of the adjusting groove 5046, the worm gear 5045 controls the rotation of the worm wheel 5044, and then the rotation of the winding rod 5042 is controlled, the oyster raft mooring line 501 is wound and released, the worm wheel 5044 and the worm gear 5045 can be self-locked, and the stability of the length of the oyster raft mooring line 501 can be ensured.

[0057] In the embodiment, the connecting assembly 505 comprises a limiting ring 5051 and a connecting rope 5052, the limiting ring 5051 is sleeved on the oyster raft mooring line 501, and the connecting rope 5052 is arranged between adjacent limiting rings 5051.

[0058] Local working principle: by using the connecting assembly 505, a plurality of oyster raft mooring lines 501 can be connected as a whole, and after one oyster raft mooring line 501 is installed, another oyster raft mooring line 501 can be taken conveniently.

[0059] As shown in FIG. 1, Figures 1-7 The simulation method combining the floating wind turbine and the oyster raft field provided by the embodiment is as follows:

[0060] Step 1: For the floating wind turbine 1, the blade element momentum theory is used. Each blade is divided into radial sections, and the lift, drag, axial force, tangential force and torque of each blade element are calculated according to the blade geometry and local flow conditions, so as to determine the aerodynamic load of the wind turbine;

[0061] Step 2: For the floating wind turbine 1, the floating foundation includes a large-scale structure Y-shaped buoy 101, a column 102 and a tower 103, and the hydrodynamic performance is calculated by using the three-dimensional potential flow theory method. The potential flow solution uses the time domain method. The radiation damping, added mass and wave excitation force obtained by frequency domain analysis are first Fourier transformed to obtain the added mass, delay function and wave excitation force in the time domain, and then the motion equation of the floating body structure in the time domain is established;

[0062] Step 3: For the small-scale structure of the oyster farm 4, the Morison formula method is used to calculate the hydrodynamic load, and the added mass effect and viscous resistance effect are mainly considered;

[0063] Step 4: The structural dynamics of the anchoring line 2, the shared mooring line 3 and the connecting mechanism 5 are dynamically calculated by using the lumped mass method. The mooring line is divided into small sections, each section is represented by a mass point, adjacent mass points are connected by springs, and the external force on the mooring line is considered as acting on the mass points;

[0064] Step 5: Based on steps 1-4, a multi-body coupled dynamics analysis model of a wind-fish structure combining a floating wind turbine and an oyster farm is constructed, which is used to reasonably evaluate the hydrodynamic performance of the entire system under the action of aerodynamic load, flow load, wave load and mooring load, and to provide reliable numerical calculation means for the optimization design of the scheme.

[0065] As Figure 8As shown, a kind of simulation method process that floating wind turbine and oyster field are combined is realized using SIMO-RIFLEX-Aerodyn combined simulation system: SIMO module is based on potential flow theory in time domain to deal with the hydrodynamic load on the floating foundation (including Y-shaped buoy 101, column 102, tower 103) of floating wind turbine 1;AeroDyn is based on blade momentum BEM theory and generalized dynamic wake GDW theory to simulate the aerodynamic force / torque on wind turbine 104 on floating wind turbine 1;RIFLEX module is used to simulate anchor line 2, shared mooring line 3, oyster field 4 and connecting mechanism 5 and other slender structures, and Morison method is used to calculate hydrodynamic force;The whole system is solved in time domain in RIFLEX, and the whole coupling simulation method considers real-time coupling effect, and simulates the dynamic and movement under wind wave flow load.The overall calculation process is as follows: wind wave flow conditions are input, SIMO calculates hydrodynamic load, Aerodyn calculates aerodynamic load, RIFLEX calculates mooring system and slender structure load and carries out time domain coupling solution to the whole system, and finally the hydrodynamic response results of wind turbine, floating foundation and mooring system are obtained.

[0066] The above is only further embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A method for simulating the combination of a floating wind turbine and an oyster farm, comprising a wind-fishery installation combining a floating wind turbine and an oyster farm, the wind-fishery installation comprising a floating wind turbine (1), characterized in that: The floating wind turbine (1) is provided with four groups, and the floating wind turbine (1) is distributed in a rectangular shape, the bottom end of the floating wind turbine (1) is provided with an anchor line (2), and the adjacent floating wind turbines (1) are provided with shared mooring lines (3), a plurality of shared mooring lines (3) form a rectangle, a plurality of anchor lines (2) are located at the corners of the rectangle formed by the shared mooring lines (3) and extend to the diagonal direction, a plurality of floating wind turbines (1) are horizontally provided with oyster culture areas (4), and the side edges of the oyster culture areas (4) and the shared mooring lines (3) are provided with connecting mechanisms (5); The connecting mechanism (5) comprises an oyster culture mooring line (501), a suspension assembly (502), a float (503), a winding and unwinding assembly (504) and a connecting assembly (505), the oyster culture mooring line (501) is located between the oyster culture area (4) and the shared mooring line (3), one end of the oyster culture mooring line (501) is provided with the suspension assembly (502), and the suspension assembly (502) is installed on the oyster culture area (4), the oyster culture mooring line (501) is provided with the float (503), the shared mooring line (3) is provided with the winding and unwinding assembly (504) along the length direction, the winding and unwinding assembly (504) winds and unwinds the oyster culture mooring line (501), one end of the oyster culture mooring line (501) away from the oyster culture area (4) is installed on the winding and unwinding assembly (504), and the connecting assembly (505) is arranged between the adjacent oyster culture mooring lines (501); The floating wind turbine (1) comprises a Y-shaped float (101), a stand column (102), a tower (103) and a wind turbine (104), the Y-shaped float (101) floats on the sea surface, the end and the middle position of the Y-shaped float (101) are vertically provided with the stand column (102), the stand column (102) at the middle position of the top of the Y-shaped float (101) is vertically provided with the tower (103), and the top of the tower (103) is provided with the wind turbine (104), and the anchor line (2) is installed at one end of the Y-shaped float (101); Further comprising the following steps: Step one: for the floating wind turbine (1), the wind turbine (104) adopts the blade element momentum theory, each blade is divided into a radial section, the lift, drag, axial force, tangential force and torque of the blade unit are calculated according to the blade geometry and local flow conditions, so as to determine the wind turbine aerodynamic load; Step two: for the floating wind turbine (1), the floating foundation comprises a large-size structure Y-shaped float (101), a stand column (102) and a tower (103), the three-dimensional potential flow theory method is adopted to calculate the hydrodynamic performance, the time domain method is adopted to perform Fourier transform on the radiation damping, added mass and wave excitation force obtained by frequency domain analysis, to obtain the added mass, delay function and wave excitation force in the time domain, and then the motion equation of the floating body structure in the time domain is established; Step three: for the small-scale structure of the oyster culture area (4), the Morison formula method is adopted to calculate the hydrodynamic load, and the added mass effect and viscous resistance effect are mainly considered. Step four: using the lumped mass method to dynamically calculate the structural dynamics of the anchoring line (2), the shared mooring line (3), and the connecting mechanism (5), dividing the mooring line into small sections, representing each small section with a mass point, connecting adjacent mass points with springs, and regarding the external force on the mooring line as acting on the mass points; Step five: based on steps one to five, a multi-body coupled dynamics analysis model of the simulation method combining the floating wind turbine and the oyster farming field is constructed.

2. The method according to claim 1, wherein: The suspension assembly (502) comprises an arc-shaped hook (5021), a connecting column (5022), a hidden groove (5023), an arc-shaped stop rod (5024), and a positioning part (5025). One end of the arc-shaped hook (5021) is fixed with the connecting column (5022), and the oyster farming mooring line (501) is fixed on the connecting column (5022). The end of the arc-shaped hook (5021) away from the connecting column (5022) is provided with the hidden groove (5023), and the arc-shaped stop rod (5024) is slidably arranged in the hidden groove (5023). The inside of the connecting column (5022) is provided with the positioning part (5025) for fixing the arc-shaped stop rod (5024).

3. The method of claim 2, wherein the method further comprises: The positioning part (5025) comprises a sliding groove (50251), an insertion block (50252), a return spring (50253), an insertion groove (50254), and a pulling block (50255). The sliding groove (50251) is arranged in the inside of the connecting column (5022), and the end of the sliding groove (50251) is in communication with the outside of the connecting column (5022). The insertion block (50252) is slidably arranged in the inside of the sliding groove (50251). The return spring (50253) is arranged between the insertion block (50252) and the inner end of the sliding groove (50251). The end of the arc-shaped stop rod (5024) is provided with the insertion groove (50254) matched with the insertion block (50252). The side of the insertion block (50252) is fixed with the pulling block (50255), and the pulling block (50255) is slidably connected with the connecting column (5022).

4. The method of claim 3, wherein the method further comprises: The shape of the insertion block (50252) is a right trapezoid, and the oblique edge of the insertion block (50252) faces the opening on the sliding groove (50251) and the connecting column (5022).

5. The method of claim 1, wherein the method is a method of simulating a floating wind turbine and oyster farm combination. The winding assembly (504) comprises a shell (5041), a winding rod (5042), a through hole (5043), and a rotating part. The shell (5041) is fixed on the shared mooring line (3). The winding rod (5042) is rotatably arranged between the two ends of the shell (5041). The through hole (5043) is arranged on the outside of the shell (5041). The oyster farming mooring line (501) enters the inside of the shell (5041) through the through hole (5043) and is fixed on the winding rod (5042). The end of the winding rod (5042) is provided with the rotating part.

6. The method of claim 5, wherein the method further comprises: The rotating part comprises a worm wheel (5044), a worm (5045) and an adjusting groove (5046), the worm wheel (5044) is installed at the end of the winding rod (5042), the worm (5045) is rotatably installed at the end of the shell (5041) and is engaged with the outer side of the worm wheel (5044), one end of the worm (5045) extends to the outside of the shell (5041), and the end of the worm (5045) located outside the shell (5041) is provided with the adjusting groove (5046).

7. The method of claim 1, wherein the method is a method of simulating a floating wind turbine and oyster farm combination. The connecting assembly (505) comprises a limiting ring (5051) and a connecting rope (5052), the limiting ring (5051) is sleeved on the oyster bank mooring line (501), and the connecting rope (5052) is arranged between adjacent limiting rings (5051).

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