CN115163420B - Offshore wind power foundation and tower integrated structure - Google Patents
Offshore wind power foundation and tower integrated structure Download PDFInfo
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- CN115163420B CN115163420B CN202210906683.1A CN202210906683A CN115163420B CN 115163420 B CN115163420 B CN 115163420B CN 202210906683 A CN202210906683 A CN 202210906683A CN 115163420 B CN115163420 B CN 115163420B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The application belongs to the field of offshore wind power, and particularly relates to an offshore wind power foundation and tower integrated structure, which comprises a cylinder body, wherein the top of the cylinder body is vertically and fixedly connected with an integrated cylinder, the top end of the integrated cylinder is fixedly connected with a fan, and the bottom end of the integrated cylinder is vertically and slidably connected with a floating support mechanism; the floating support mechanism comprises a core body and a plurality of floating units, wherein the core body is vertically and slidably connected to the inner bottom end of the integrated cylinder, the fixed ends of the floating units are fixedly connected to the side wall of the core body at equal intervals in the circumferential direction, the fixed ends of the floating units penetrate through the side wall of the integrated cylinder, the floating ends of the floating units are respectively located at the top edge of the cylinder body, a turnover assembly is arranged between the floating ends and the fixed ends, and the floating ends are turned towards the sea side through the turnover assembly. The application can effectively improve the stability of the wind power foundation and tower integrated structure in seawater, and does not influence the berthing of the ship to the integrated column.
Description
Technical Field
The application belongs to the field of offshore wind power, and particularly relates to an offshore wind power foundation and tower integrated structure.
Background
The main structure of the offshore wind power in China consists of a foundation, a fan tower barrel, a fan hub, fan blades and the like, wherein the foundation structure comprises a pile foundation and a barrel foundation, but the pile foundation and the barrel foundation are of split type design, namely the foundation and each section of fan tower barrel are respectively produced and processed, and then are connected through flanges. The disadvantages of using flange connections mainly include the following two points: firstly, the flange structure has higher manufacturing cost, and the total construction cost is improved; and secondly, the flange structure is connected by bolts, and the bolts need to be maintained regularly, so that the operation and maintenance cost of the wind power plant is increased. The existing floating plate is used for stabilizing the wind power structure so that the wind power structure can resist severe weather such as sea waves, but cannot be flexibly adjusted, so that a ship cannot be conveniently parked beside the wind power structure, and the wind power structure is maintained and trimmed; therefore, there is a need for an integrated offshore wind power foundation and tower integrated structure that can ensure that the wind power structure is stable and does not affect the docking of the ship.
Disclosure of Invention
The application aims to provide an offshore wind power foundation and tower integrated structure so as to solve the problems and achieve the purposes of ensuring the stability of a wind power structure and being convenient for the berthing of a ship.
In order to achieve the above object, the present application provides the following solutions: the integrated structure of the offshore wind power foundation and the tower cylinder comprises a cylinder body, wherein the top of the cylinder body is vertically and fixedly connected with an integrated cylinder body, the top end of the integrated cylinder body is fixedly connected with a fan, and the bottom end of the integrated cylinder body is vertically and slidingly connected with a floating supporting mechanism;
the floating support mechanism comprises a core body and a plurality of floating units, wherein the core body is vertically and slidably connected to the inner bottom end of the integrated cylinder, the fixed ends of the floating units are circumferentially and uniformly fixedly connected to the side wall of the core body at equal intervals, the fixed ends of the floating units penetrate through the side wall of the integrated cylinder, the floating ends of the floating units are respectively located at the top end edge of the cylinder body, a turnover assembly is arranged between the floating ends and the fixed ends, and the floating ends turn over towards the sea water side through the turnover assembly.
Preferably, the floating unit comprises a fan-shaped frame, the fan-shaped frame is driven by the overturning assembly, a plurality of groups of floating assemblies are arranged on the inner side of the fan-shaped frame, each floating assembly comprises two groups of floating plates, the two groups of floating plates are symmetrically and fixedly connected to the top and the bottom of the inner side of the fan-shaped frame, sealing cavities are formed between the two groups of floating plates and the fan-shaped frame, an inflation assembly and a water injection assembly are respectively connected in the sealing cavities, the inflation assembly is used for providing buoyancy for the floating unit, and the water injection assembly is used for assisting the floating unit to overturn towards the sea water side.
Preferably, the water injection assembly comprises an adjusting shell, the adjusting shell is fixedly connected below the floating plate at the top, a gap is formed between the adjusting shell and the floating plate at the bottom, a piston column is vertically and slidably connected in the adjusting shell, a first electromagnetic valve is connected in the floating plate at the upper part, a second drain hole is formed in the floating plate at the lower part, the bottom end of the piston column is adapted to the second drain hole, a pressure cavity is formed between the piston column and the adjusting shell, a fixing ring is fixedly sleeved at the middle end of the piston column, the pressure cavity is divided into a first cavity and a second cavity by the fixing ring, a plurality of clamping assemblies are arranged in the second cavity, the clamping assemblies are connected between the piston column and the side wall of the second cavity, and a water delivery assembly is communicated in the first cavity and the second cavity.
Preferably, the clamping assembly comprises a groove, the groove is formed in the inner side wall of the adjusting shell, a push rod is slidably connected in the groove, a spring is fixedly connected between one end of the push rod and the bottom wall of the inner side of the groove, the other end of the push rod vertically stretches into the side wall of the piston column, an overflow channel is formed in the side wall of the adjusting shell, and the groove is communicated with the sealing cavity through the overflow channel.
Preferably, a limiting component is arranged between the adjacent fan-shaped frames, the limiting component comprises a clamping rod and a clamping block which are matched, the middle ends of the clamping rods are hinged in one group of the fan-shaped frames, one ends of the clamping rods, which are matched with the clamping blocks, are clamping ends, one ends of the clamping rods, which are close to the adjusting shell, are abutting ends, one side of each piston column is fixedly connected with a connecting rod, the connecting rods are vertically and slidably connected in the side wall of the adjusting shell, abutting components are connected between the bottom ends of the connecting rods and the abutting ends, and the clamping blocks are fixedly connected to the outer side walls of the other group of the fan-shaped frames.
Preferably, the abutting assembly comprises a fixing column and a protruding block, the fixing column is fixedly connected to the abutting end, the protruding block is fixedly connected to the bottom end of the connecting rod, the fixing column is slidably connected along the side wall of the protruding block, and a torsion spring is connected between the hinge shaft of the clamping connection rod and the adjusting shell.
Preferably, the fixed end of the floating unit comprises a connecting arm, one end of the connecting arm is fixedly connected to the side wall of the core body, and the overturning assembly is arranged at the other end of the connecting arm;
the turnover assembly comprises a servo motor fixedly connected with the other end of the connecting arm, a first gear and a second gear are connected in the other end of the connecting arm in a rotating mode, a third gear is fixedly connected to the side wall of the fan-shaped frame and close to the cylinder body, the second gear is meshed between the first gear and the third gear, a rotating shaft of the servo motor penetrates through the connecting arm to be fixedly connected with the first gear in a coaxial mode, and the other end of the connecting arm is hinged to the fan-shaped frame.
Preferably, the water delivery assembly comprises two groups of water pumps, seawater is communicated with the first cavity through one group of water pumps and water pipes, the seawater is communicated with the second cavity through the other group of water pumps and water pipes, and the water pipes are respectively communicated with second electromagnetic valves.
Preferably, the inflation assembly comprises an inflation hole and an inflation pump, the inflation hole is formed in the fan-shaped frame, and the inflation pump is communicated with the sealing cavity through the inflation hole.
The application has the following technical effects: the main function of the floating support mechanism is that the floating support mechanism floats in seawater and can adapt to the fluctuation of the seawater, and on the other hand, the floating support mechanism can stabilize the integrated column body and the cylinder body, so that the gravity center is prevented from being inclined and shifted; the cylinder is fixed on the sea bottom, and under the combined action of the cylinder and the floating support mechanism, the stability of the whole structure is effectively improved; the main function of the overturning assembly is to drive the floating unit to overturn towards the sea water side, so that the ship can be parked beside the integrated column body, and the maintenance and the trimming of the wind power foundation and the tower integrated structure are facilitated; in the whole, the application can effectively improve the stability of the wind power foundation and tower integrated structure in seawater, and does not influence the berthing of the ship to the integrated column.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the appearance of an integrated structure of the present application;
FIG. 2 is a schematic top view of the floating support of the present application;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a water injection assembly of the present application;
FIG. 5 is an enlarged view of part B of FIG. 4;
FIG. 6 is a schematic view of an abutting component according to the present application;
FIG. 7 is a flow chart of the process for producing the integrated structure of the present application;
wherein, 1, a cylinder; 2. a fan-shaped frame; 3. a support column; 4. a lower column; 5. leaning on the ship column; 6. a first platform line; 7. a second plateau line; 8. folding the welding joint; 9. a third platform line; 10. an electrical module; 11. an upper column; 12. a floating plate; 13. a piston column; 14. a clamping rod; 15. a clamping block; 16. sliding the telescopic rod; 17. an air filling hole; 18. a first drain hole; 19. a servo motor; 20. a first gear; 21. a second gear; 22. a third gear; 23. an adjustment housing; 24. a first cavity; 25. a fixing ring; 26. a second cavity; 27. a second drain hole; 28. a connecting rod; 29. fixing the column; 30. a bump; 31. a push rod; 32. a groove; 33. a spring; 34. a guide post; 35. a core; 36. an overflow channel; 37. and a connecting arm.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-7, the application provides an offshore wind power foundation and tower integrated structure, which comprises a barrel 1, wherein an integrated column is vertically welded at the top of the barrel 1, a fan is fixedly connected to the top end of the integrated column, and a floating support mechanism is vertically and slidably connected to the bottom end of the integrated column;
the floating support mechanism comprises a core 35 and a plurality of floating units, wherein the core 35 is vertically and slidably connected to the bottom end of the inner side of the integrated cylinder, the fixed ends of the floating units are fixedly connected to the side wall of the core 35 at equal intervals in the circumferential direction, the fixed ends of the floating units penetrate through the side wall of the integrated cylinder, the floating ends of the floating units are respectively located at the top edge of the cylinder body 1, a turnover assembly is arranged between the floating ends and the fixed ends, and the floating ends are turned towards the sea side through the turnover assembly.
The main function of the floating support mechanism is that the floating support mechanism floats in seawater and can adapt to the fluctuation of the seawater, and on the other hand, the floating support mechanism can stabilize the integrated column body and the cylinder body 1 to avoid the inclination and the gravity center deviation; the cylinder body 1 is fixed on the sea bottom, and under the combined action of the floating support mechanism, the stability of the whole structure is effectively improved; the main function of the overturning assembly is to drive the floating unit to overturn towards the sea water side, so that the ship is facilitated to be parked beside the integrated column body, the maintenance and the trimming of the wind power foundation and the tower integrated structure are facilitated, the production efficiency is improved by adopting the integrated structure, the flange connection is avoided, and the construction cost is reduced to a certain extent; in the whole, the application can effectively improve the stability of the wind power foundation and tower integrated structure in seawater, and does not influence the berthing of the ship to the integrated column.
Further optimizing scheme, float the unit and include fan-shaped frame 2, fan-shaped frame 2 passes through the upset subassembly drive, and fan-shaped frame 2 inboard is provided with a plurality of groups of showy subassembly, floats the subassembly and includes two sets of floating plates 12, and two sets of floating plates 12 symmetry fixed connection are at fan-shaped frame 2 inboard top and bottom, form sealed cavity between two sets of floating plates 12 and the fan-shaped frame 2, are connected with inflation component and water injection subassembly respectively in the sealed cavity, and inflation component is used for providing buoyancy for floating the unit, and water injection subassembly is used for assisting to float the unit to sea water side upset.
In the initial state, the sealed cavity is filled with air, so that the floating unit generates buoyancy on the water surface; when the ship needs to dock beside the integrated column, in order to avoid the floating assembly from obstructing the approach of the ship, the water injection assembly close to the ship is started at first, water is injected into the sealed cavity, and meanwhile, the overturning assembly is started, so that the overturning speed of the floating assembly is accelerated, and when the sealed cavity is filled with seawater, the floating assembly is overturned to a position suitable for docking of the ship. When the floating unit is reset, the inflation assembly is started to inflate the sealed cavity, the seawater in the sealed cavity is discharged, and meanwhile, the floating unit is reset to the sea surface under the action of the overturning assembly.
Further optimizing scheme, the water injection subassembly includes adjusting housing 23, adjusting housing 23 fixed connection is in the kickboard 12 below that is located the top, be provided with the clearance between adjusting housing 23 and the kickboard 12 that is located the bottom, vertical sliding connection has piston post 13 in the adjusting housing 23, first wash port 18 has been seted up to the kickboard 12 that is located the top, be connected with first solenoid valve in the first wash port 18, second wash port 27 has been seted up on the kickboard 12 that is located the below, the bottom adaptation of piston post 13 is in second wash port 27, be provided with the pressure chamber between piston post 13 and the adjusting housing 23, fixed cover is equipped with solid fixed ring 25 in piston post 13 middle-end, gu fixed ring 25 divide into first cavity 24 and second cavity 26 with the pressure chamber, be provided with a plurality of joint subassemblies in the second cavity 26, joint subassembly is connected between piston post 13 and second cavity 26 lateral wall, first cavity 24 and second cavity 26 internal intercommunication have the water delivery subassembly.
In the initial state, the piston column 13 is limited in the adjusting shell 23 through the clamping assembly, and the second drain hole 27 is blocked by the piston column 13; specifically, when the ship is parked, the water delivery assembly and the first drain hole 18 are opened (i.e. the first electromagnetic valve is opened), water is injected into the second cavity 26, the water pressure in the second cavity 26 continuously rises, the clamping assembly is firstly jacked up, the piston column 13 is separated from the limit of the adjusting shell 23, the fixing ring 25 and the piston column 13 are pushed to move upwards, at the moment, the second drain hole 27 is opened, under the driving action of the overturning assembly, a great amount of seawater enters the sealed cavity from the second drain hole 27 while the floating unit is overturned downwards, air in the sealed cavity is discharged from the first drain hole 18, at the moment, the first drain hole 18 gradually approaches the top end of the floating unit, and the air is more favorably discharged from the second drain hole 27; until the sealed cavity is filled with sufficient water, the floating unit is flipped to a position suitable for docking the watercraft.
Further optimizing scheme, the joint subassembly includes recess 32, and recess 32 is seted up on the inside wall of adjusting housing 23, and sliding connection has ejector pin 31 in recess 32, fixedly connected with spring 33 between the inboard diapire of ejector pin 31 and recess 32, and the other end of ejector pin 31 stretches into piston post 13's lateral wall perpendicularly, has seted up overflow channel 36 in adjusting housing 23's the lateral wall, and recess 32 and sealed cavity pass through overflow channel 36 intercommunication.
When water is injected into the second cavity 26 and a certain water pressure is generated, the ejector rod 31 is pushed first, the water pressure is larger than the pressure in the sealed cavity, the ejector rod 31 slides in the groove 32 until the ejector rod 31 is separated from the piston rod 13, at this time, the spring 33 is compressed, the water pressure is continuously increased, and the fixing ring 25 and the piston rod 13 are pushed to move upwards until the second drain hole 27 is opened.
Further optimizing scheme is provided with spacing subassembly between the adjacent fan-shaped frame 2, spacing subassembly includes the clamping rod 14 and the joint piece 15 of looks adaptation, the middle-end of clamping rod 14 articulates in a set of fan-shaped frame 2, the one end in clamping rod 14 adaptation joint piece 15 is the joint end, the one end that clamping rod 14 is close to adjusting housing 23 is the butt end, one side fixedly connected with connecting rod 28 of piston post 13, connecting rod 28 vertical sliding connection is in adjusting housing 23's lateral wall, be connected with the butt subassembly between connecting rod 28's bottom and the butt end, joint piece 15 fixed connection is on the lateral wall of another fan-shaped frame 2 of group, the joint groove has been seted up to one side of joint piece 15, the joint end rotation slip of clamping rod 14 is in the joint groove.
In the initial state, the sector frames 2 float on the sea surface, and the adjacent sector frames 2 are limited by the limiting assembly, so that all the sector frames 2 form a whole, and the floating stability of the floating unit is effectively improved; when the piston rod 13 is pushed by water pressure to move upwards, the connecting rod 28 is driven to move upwards, then the abutting component is triggered, the clamping connecting rod 14 is separated from the clamping block 15 through the abutting component, and therefore the adjacent fan-shaped frames 2 are not limited, and the overturning component can be started at the moment.
Further optimizing scheme, the butt subassembly includes fixed column 29 and lug 30, and fixed column 29 fixed connection is in the butt end, and lug 30 fixed connection is in the bottom of connecting rod 28, and fixed column 29 is connected along lug 30 lateral wall sliding connection, is connected with the torsional spring between the articulated shaft of joint pole 14 and the regulation casing 23. The torsion spring is one of an austenitic stainless steel spring or a precipitation hardening stainless steel spring suitable for long-term operation in seawater.
Under the action of the torsion spring, the fixing column 29 is always abutted with the convex block 30, so that when the piston column 13 moves downwards, the clamping connection rod 14 can slide into the clamping groove under the action of the torsion spring.
In a further optimized scheme, the fixed end of the floating unit comprises a connecting arm 37, one end of the connecting arm 37 is fixedly connected to the side wall of the core 35, and the overturning assembly is arranged at the other end of the connecting arm 37;
the turnover assembly comprises a servo motor 19 fixedly connected to the other end of a connecting arm 37, a first gear 20 and a second gear 21 are rotationally connected to the other end of the connecting arm 37, a third gear 22 is fixedly connected to the side wall of the fan-shaped frame 2, the third gear 22 is close to the barrel 1, the second gear 21 is meshed between the first gear 20 and the third gear 22, a rotating shaft of the servo motor 19 penetrates through the connecting arm 37 and is fixedly connected with the coaxial center of the first gear 20, two groups of sliding telescopic rods 16 are hinged between the fan-shaped frame 2 and a core 35 in a spherical mode, the two groups of sliding telescopic rods 16 are located on two sides of the connecting arm 37, the other end of the connecting arm 37 is hinged to one side, close to the barrel 1, of the fan-shaped frame 2, and the axis of a hinge shaft of the connecting arm 37 is coincident with the center of the third gear 22.
Further optimizing scheme, the water delivery assembly includes two sets of water pumps, and the sea water passes through a set of water pump, water pipe and first cavity 24, and the sea water passes through another set of water pump, water pipe and second cavity 26 intercommunication, and the last second solenoid valve that communicates respectively of water pipe.
Further optimizing scheme, the inflation subassembly includes inflation hole 17 and pump, and inflation hole 17 is seted up on fan-shaped frame 2, and the pump passes through inflation hole 17 and sealed cavity intercommunication.
When the sector frame 2 needs to be reset to the sea surface, the inflator pump is started, the first electromagnetic valve is closed (namely the first drain hole 18 is closed), and the air discharges the seawater from the second drain hole 27; simultaneously with draining, the fan-shaped frame 2 is turned upwards by the turning component, which is more beneficial to draining the seawater from the second drain hole 27.
Further optimizing scheme, the integrated column body includes lower column body 4 and last column body 11, lower column body 4 welds at barrel 1 top, weld between lower column body 4 and the last column body 11, fan fixed connection is provided with third platform line 9 on last column body 11, third platform line 9 is used for installing the rest platform, the welding seam department of lower column body 4 is provided with second platform line 7, second platform line 7 is the foling line, fold the platform is installed to 1.5m department downwards, be provided with first platform line 6 on the lower column body 4, first platform line 6 is used for installing electric platform, install electric module on the lower column body 4, electric module corresponds the setting with electric platform, fixedly connected with a plurality of ship post 5 of leaning on the lateral wall of lower column body 4.
The integrated column body is welded with the cylinder body 1 to form an integrated structure, so that the integrated column body can bear a large bending moment caused by wind and wave load at the upper part; the three platforms are convenient for the maintenance of the whole; a plurality of support columns 3 are fixedly connected between the side surface of the lower column 4 and the bottom surface of the cylinder body 1, the support columns 3 can adopt a cylindrical structure or large H-shaped steel, the stress of the two ends of the support is relatively large under the action of load, and the support columns can be locally reinforced according to calculation.
According to the further optimization scheme, the barrel body 1 is internally provided with a division structure, 5-7 division bins can be arranged, negative pressure leveling is convenient in later installation, and the height is 8-15 m. The cylinder is a main bearing structure and mainly bears a large bending moment caused by wind and wave load on the upper part.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
The above embodiments are only illustrative of the preferred embodiments of the present application and are not intended to limit the scope of the present application, and various modifications and improvements made by those skilled in the art to the technical solutions of the present application should fall within the protection scope defined by the claims of the present application without departing from the design spirit of the present application.
Claims (8)
1. The utility model provides an offshore wind power basis and a tower section of thick bamboo integrated structure, includes barrel (1), the vertical fixedly connected with integral type cylinder in top of barrel (1), the top fixedly connected with fan of integral type cylinder, its characterized in that: the bottom end of the integrated column body is vertically and slidably connected with a floating supporting mechanism;
the floating support mechanism comprises a core body (35) and a plurality of floating units, wherein the core body (35) is vertically and slidably connected to the bottom end of the inner side of the integrated cylinder, the fixed ends of the floating units are circumferentially and equidistantly fixedly connected to the side wall of the core body (35), the fixed ends of the floating units penetrate through the side wall of the integrated cylinder, the floating ends of the floating units are respectively positioned at the edge of the top end of the cylinder body (1), a turnover assembly is arranged between the floating ends and the fixed ends, and the floating ends are turned towards the sea water side through the turnover assembly;
the floating unit comprises a fan-shaped frame (2), the fan-shaped frame (2) is driven by the overturning assembly, a plurality of groups of floating assemblies are arranged on the inner side of the fan-shaped frame (2), each floating assembly comprises two groups of floating plates (12), the floating plates (12) are symmetrically and fixedly connected to the top and the bottom of the inner side of the fan-shaped frame (2), a sealing cavity is formed between the floating plates (12) and the fan-shaped frame (2), an inflating assembly and a water injection assembly are respectively connected in the sealing cavity, the inflating assembly is used for providing buoyancy for the floating unit, and the water injection assembly is used for assisting the floating unit to overturn towards the sea water side.
2. The offshore wind power foundation and tower integrated structure of claim 1, wherein: the water injection assembly comprises an adjusting shell (23), the adjusting shell (23) is fixedly connected below the floating plate (12) at the top, a gap is formed between the adjusting shell (23) and the floating plate (12) at the bottom, a piston column (13) is vertically and slidably connected in the adjusting shell (23), a first electromagnetic valve is connected in the floating plate (12) at the top, a second drain hole (27) is formed in the floating plate (12) at the bottom, the bottom end of the piston column (13) is adapted in the second drain hole (27), a pressure cavity is formed between the piston column (13) and the adjusting shell (23), a fixing ring (25) is fixedly sleeved at the middle end of the piston column (13), the pressure cavity is divided into a first cavity (24) and a second cavity (26), a plurality of clamping assemblies are arranged in the second cavity (26), and the clamping assemblies are connected between the piston column (13) and the second cavity (26).
3. The offshore wind power foundation and tower integrated structure of claim 2, wherein: the clamping assembly comprises a groove (32), the groove (32) is formed in the inner side wall of the adjusting shell (23), a push rod (31) is connected in the groove (32) in a sliding mode, a spring (33) is fixedly connected between one end of the push rod (31) and the bottom wall of the inner side of the groove (32), the other end of the push rod (31) vertically stretches into the side wall of the piston column (13), an overflow channel (36) is formed in the side wall of the adjusting shell (23), and the groove (32) is communicated with the sealing cavity through the overflow channel (36).
4. The offshore wind power foundation and tower integrated structure of claim 2, wherein: be provided with spacing subassembly between adjacent fan-shaped frame (2), spacing subassembly includes clamping pole (14) and joint piece (15) of looks adaptation, the middle-end of clamping pole (14) articulates in a set of fan-shaped frame (2), clamping pole (14) adaptation in the one end in joint piece (15) is the joint end, clamping pole (14) are close to the one end of adjusting casing (23) is the butt end, one side fixedly connected with connecting rod (28) of piston post (13), vertical sliding connection of connecting rod (28) is in the lateral wall of adjusting casing (23), the bottom of connecting rod (28) with be connected with the butt subassembly between the butt end, joint piece (15) fixed connection is on the lateral wall of another group fan-shaped frame (2).
5. The offshore wind power foundation and tower integrated structure of claim 4, wherein: the butt subassembly includes fixed column (29) and lug (30), fixed column (29) fixed connection is in butt end, lug (30) fixed connection is in the bottom of connecting rod (28), fixed column (29) are followed lug (30) lateral wall sliding connection, the articulated shaft of clamping rod (14) with be connected with the torsional spring between regulation casing (23).
6. The offshore wind power foundation and tower integrated structure of claim 1, wherein: the fixed end of the floating unit comprises a connecting arm (37), one end of the connecting arm (37) is fixedly connected to the side wall of the core body (35), and the overturning assembly is arranged at the other end of the connecting arm (37);
the turnover assembly comprises a servo motor (19) fixedly connected with the other end of the connecting arm (37), a first gear (20) and a second gear (21) are rotationally connected with the other end of the connecting arm (37), a third gear (22) is fixedly connected to the side wall of the fan-shaped frame (2), the third gear (22) is close to the cylinder body (1), the second gear (21) is meshed between the first gear (20) and the third gear (22), and a rotating shaft of the servo motor (19) penetrates through the connecting arm (37) and is fixedly connected with the first gear (20) in a coaxial mode, and the other end of the connecting arm (37) is hinged to the fan-shaped frame (2).
7. The offshore wind power foundation and tower integrated structure of claim 2, wherein: the water delivery assembly comprises two groups of water pumps, seawater is communicated with the first cavity (24) through one group of water pumps and water pipes, the seawater is communicated with the second cavity (26) through the other group of water pumps and water pipes, and the water pipes are respectively communicated with second electromagnetic valves.
8. The offshore wind power foundation and tower integrated structure of claim 1, wherein: the inflation assembly comprises an inflation hole (17) and an inflation pump, the inflation hole (17) is formed in the fan-shaped frame (2), and the inflation pump is communicated with the sealing cavity through the inflation hole (17).
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| CN115163420B true CN115163420B (en) | 2023-09-22 |
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2022
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| CN115163420A (en) | 2022-10-11 |
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