A righting and clamping device for floating offshore wind power foundations and wind power installations

Abstract

The utility model discloses a kind of righting clamping devices of floating offshore wind power foundation and wind power equipment, offshore wind power foundation includes self-floating cylinder type foundation;Telescopic tower drum is fixed on cylinder type foundation, floating platform is provided around cylinder type foundation, N layer square frame is built on floating platform, N is 1;Telescopic tower drum is located in each layer square frame, left and right direction slide on the front and back two side frames of each layer square frame is equipped with a pair of clamping beam for clamping righting tower drum, and a pair of clamping beam are slidably connected on slide;Two ends of each clamping beam are connected on the slide of front and back two side frames;Driving device for moving a pair of clamping beam towards or reversely is equipped on the left and right two side frames of each layer square frame;The opposite side of a pair of clamping beam is equipped with recess;When a pair of clamping beam clamps tower drum, tower drum is located in the recess of a pair of clamping beam.The utility model realizes the self-adaptive hoop fixing and dynamic righting function of tower drum in floating process, ensure the stability of tower drum under complex sea conditions.

Description

Technical Field

[0001] This utility model relates to an offshore wind power floating device, and more particularly to a righting and clamping device for floating offshore wind power foundations and wind power equipment. Background Technology

[0002] Currently, in offshore wind power projects, accurately floating and installing the wind turbine foundation, tower, and turbine as a whole to the installation site is an extremely challenging task. During offshore wind turbine installation, the foundation, tower, and turbine are typically floated to the installation location as a whole before installation. The stability and positioning accuracy of the tower during this floating process are crucial to the entire installation. Existing floating and installation methods have several problems, such as difficulty in ensuring tower stability during floating, the need for multiple lifting operations in traditional modular floating methods, and significant susceptibility to sea conditions, resulting in poor stability.

[0003] Traditional fixing methods cannot quickly and reliably straighten and secure the wind turbine tower. Existing clamping devices cannot adapt to the swaying of the tower during dynamic floating transport. Unlocking after reaching the installation position is complex, time-consuming, and labor-intensive, impacting construction efficiency and potentially causing structural damage, thus increasing the risks and costs of offshore operations. Therefore, there is an urgent need for a straightening and unlocking device that can efficiently and stably achieve the integrated floating transport of offshore wind turbine foundations, towers, and turbines. Utility Model Content

[0004] This utility model provides a righting and clamping device for floating offshore wind power foundations and wind power equipment to solve the technical problems existing in the prior art.

[0005] The technical solution adopted by this utility model to solve the technical problems existing in the prior art is as follows:

[0006] A device for stabilizing and clamping offshore wind power foundations and equipment is disclosed. The wind power equipment includes a telescopic tower, a wind turbine, and blades connected in sequence. The offshore wind power foundation includes a self-floating cylindrical foundation. The device is characterized in that the telescopic tower is fixed to the cylindrical foundation, and a floating platform is provided around the cylindrical foundation. The floating platform and the cylindrical foundation are connected by anchor chains. N layers of square frames, N≥1, are erected on the floating platform. The telescopic tower is located within each layer of the square frames. Left and right sliding rails are provided on the front and rear sides of each layer of the square frames. A pair of clamping beams for clamping and stabilizing the telescopic tower slides on the sliding rails. The two ends of each clamping beam span the sliding rails on the front and rear sides. A driving device is provided on the left and right sides of each layer of the square frames to move the pair of clamping beams in opposite directions. Grooves are provided on the opposing sides of the pair of clamping beams. When the pair of clamping beams clamps the telescopic tower, the telescopic tower is located in the grooves of the pair of clamping beams.

[0007] Furthermore, the groove is either figure-eight shaped or arc-shaped.

[0008] Furthermore, a rubber pad is provided on the inner side of the groove.

[0009] Furthermore, the drive device includes a hydraulic cylinder or an electric cylinder, the cylinder end of which is fixedly connected to the left or right side frame, and the telescopic end of which is fixedly connected to the clamping beam.

[0010] Furthermore, the drive device includes a motor, a gear mounted on the output shaft of the motor, and a rack meshing with the gear. The motor is fixed on the left or right side frame, and the left and right side frames are provided with guide grooves in the left and right directions. The rack is fixed on the support arm, one end of the support arm is located in the guide groove of the left or right side frame and is slidably connected to the left or right side frame, and the other end of the support arm is fixedly connected to the clamping beam.

[0011] Furthermore, the driving device includes an electric or manual chain hoist, with at least one chain hoist connected to each clamping beam on both the left and right sides, and the chain hoist drives the clamping beam to move to the left or right.

[0012] Furthermore, a pair of clamping beams are provided with mating through holes, and bolts are passed through the mating through holes and tightened with nuts to lock the pair of clamping beams together.

[0013] Furthermore, one of the clamping beams is equipped with a retaining ring, and the other clamping beam is hinged with a hook. The two clamping beams are locked together by engaging the hook with the retaining ring.

[0014] Furthermore, a pair of clamping beams are provided with mating holes, and the pair of clamping beams are locked together by inserting a pin into the holes.

[0015] Furthermore, each square frame is composed of two longitudinal beams on the left and right and two transverse beams at the front and back. One longitudinal beam is fixed to one transverse beam and is snapped or connected to the other transverse beam by a pin.

[0016] The advantages and positive effects of this invention are as follows: The floating offshore wind power foundation and wind turbine equipment straightening and clamping device of this invention achieves adaptive clamping and dynamic straightening of the tower during the floating process through the coordinated action of gear transmission, hydraulic drive, and motor control, ensuring the stability of the tower under complex sea conditions. Simultaneously, it allows for quick unlocking, simplifying the operation process during installation and improving construction efficiency. The overall structure is compact and highly adaptable, effectively addressing various challenges in offshore wind power installation. Furthermore, the device possesses good expandability and compatibility, adapting to different specifications of towers and wind turbine equipment, providing reliable technical support for the floating and installation of offshore wind power equipment. By reducing operational risks and energy consumption, this invention not only improves the efficiency and safety of offshore wind power equipment installation but also lays a solid technical foundation for the large-scale development of the offshore wind power industry. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the uprighting and locking state of a floating offshore wind power foundation and wind power equipment according to this utility model.

[0018] Figure 2 This is a three-dimensional structural diagram of the uprighting and locking state of a righting and clamping device for floating offshore wind power foundations and wind power equipment according to this utility model.

[0019] Figure 3 This is a top view of the uprighting and locking state of the uprighting and clamping device structure for a floating offshore wind power foundation and wind power equipment according to this utility model.

[0020] Figure 4 This is a top view of the uprighting and unlocking state of the uprighting and clamping device structure of a floating offshore wind power foundation and wind power equipment according to this utility model.

[0021] Figure 5 This is a top view schematic diagram of a drive device structure according to the present invention.

[0022] Figure 6 It is a rotating clamp used to connect the horizontal beams and vertical beams in a square frame.

[0023] Figure label:

[0024] 1. Fan; 2. Straightening and clamping device; 3. Telescopic tower; 4. Pipe rack; 5. Cylindrical foundation; 6. Main floating transport vessel; 7. Secondary floating transport vessel; 8. Clamping beam A; 9. Clamping beam B; 10. Rubber pad; 11. Left longitudinal beam; 12. Rear crossbeam; 13. Front crossbeam; 14. Rotary clamping structure; 15. Rack; 16. Gear; 17. Support arm; 18. Rotating shaft; 19. Wedge-shaped clamping block. Detailed Implementation

[0025] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0026] In the description of this utility model, the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and do not require that this utility model be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. The terms "connected" and "linked" used in this utility model should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a direct connection or an indirect connection through intermediate components; or an electrical connection or signal transmission. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0027] Please see Figures 1 to 6 A righting and clamping device 2 for floating offshore wind power foundations and wind power equipment is disclosed. The wind power equipment includes a telescopic tower 3, a wind turbine 1, and blades connected in sequence. The offshore wind power foundation includes a self-floating cylindrical foundation 5. The telescopic tower 3 is fixed on the cylindrical foundation 5. A floating platform is provided around the cylindrical foundation 5. The floating platform and the cylindrical foundation 5 are connected by anchor chains. N layers of square frames are built on the floating platform, where N≥1. The telescopic tower 3 is located within each layer of square frames. Left and right sliding tracks are provided on the front and rear sides of each layer of square frames. A pair of clamping beams for clamping and righting the telescopic tower 3 are slidably fitted on the sliding tracks. The two ends of each clamping beam are connected across the sliding tracks on the front and rear sides. A driving device is provided on the left and right sides of each layer of square frames to move the pair of clamping beams in opposite directions. Grooves are provided on the opposite sides of the pair of clamping beams. When the pair of clamping beams clamp the telescopic tower 3, the telescopic tower 3 is located in the grooves of the pair of clamping beams.

[0028] The floating platform includes a main floating transport vessel 6 and an auxiliary floating transport vessel 7; the auxiliary floating transport vessel 7 and the main floating transport vessel 6 are detachably connected and enclose two sets of quadrilateral frames; each set of quadrilateral frames accommodates a cylindrical foundation 5. N layers of square frames are installed on the pipe rack 4.

[0029] A pair of clamping beams may include clamping beam A8 and clamping beam B9. Clamping beams A8 and B9 can clamp the telescopic tower 3 by moving towards each other, and can release the telescopic tower 3 by moving in opposite directions.

[0030] The telescopic tower 3 includes E-layer towers connected in sequence, which can be referred to as the first to the E-th layer towers, where E≥2, and the first layer tower is the base tower. The upper ends of the first to the E-1-th layer towers are provided with inwardly radially extending top flanges, and the lower ends of the second to the E-th layer towers are provided with outwardly radially extending bottom flanges. The upper top flange of the R-1-th layer tower and the lower bottom flange of the R-th layer tower are mutually fitted, and both are evenly distributed with multiple bolt holes along the circumference. Before the R-th layer tower is lifted, it is nested inside the R-1-th layer tower. After the R-th layer tower is lifted, the lower bottom flange of the R-th layer tower and the upper top flange of the R-1-th layer tower are fixedly connected by bolts, where 2≤R≤E. The innermost tower is the E-th layer tower, which is connected to the wind turbine base; the outermost tower is the first layer tower, and its base is fixedly connected to the cylindrical foundation 5 through the pipe rack 4.

[0031] Preferably, the groove can be V-shaped or arc-shaped.

[0032] Preferably, a rubber pad 10 may be provided on the inner side of the groove.

[0033] Preferably, the drive device may include a hydraulic cylinder or an electric cylinder, the cylinder end of which is fixedly connected to the left or right side frame, and the telescopic end of which is fixedly connected to the clamping beam.

[0034] Preferably, the driving device may include a motor, a gear 16 mounted on the output shaft of the motor, and a rack 15 meshing with the gear 16. The motor is fixed on the left or right side frame, and the left and right side frames are provided with guide grooves in the left and right directions. The rack 15 is fixed on the support arm 17. One end of the support arm 17 is located in the guide groove of the left or right side frame and is slidably connected to the left or right side frame. The other end of the support arm 17 is fixedly connected to the clamping beam.

[0035] Preferably, the driving device may include an electric or manual chain hoist, with at least one chain hoist connected to each clamping beam on both the left and right sides, and the chain hoist driving the clamping beam to move to the left or right.

[0036] Preferably, a pair of clamping beams may be provided with mating through holes, and the pair of clamping beams are locked together by bolts passing through the mating through holes and tightening with nuts.

[0037] Preferably, one of the clamping beams may be provided with a retaining ring, and the other clamping beam may be hinged with a hook, so that the pair of clamping beams can be locked together by engaging the hook with the retaining ring.

[0038] Preferably, a pair of clamping beams may be provided with mating holes, and the pair of clamping beams are locked together by inserting a pin into the hole.

[0039] Preferably, each layer of the square frame can be composed of two left and right longitudinal beams and two front and rear transverse beams. One longitudinal beam is fixed to one transverse beam and is snapped or connected to the other transverse beam through a pin. As shown in the figure, the left longitudinal beam 11 can be fixed to the rear transverse beam 12 and can be snapped or connected to the front transverse beam 13 through a pin.

[0040] Preferably, N=2. The two-layer square frame is more conducive to maintaining the tower's upright posture. At the same time, it disperses the clamping force, preventing it from becoming concentrated.

[0041] The structure and working principle of this utility model are further illustrated below with a preferred embodiment:

[0042] A righting and clamping device 2 for floating offshore wind power foundations and wind power equipment is disclosed. The wind power equipment includes a telescopic tower 3, a wind turbine 1, and blades connected in sequence. The offshore wind power foundation includes a self-floating cylindrical foundation 5. The telescopic tower 3 is fixed on the cylindrical foundation 5. A floating platform is provided around the cylindrical foundation 5. The floating platform and the cylindrical foundation 5 are connected by anchor chains. N layers of square frames are built on the floating platform, where N≥1. The telescopic tower 3 is located within each layer of square frames. Left and right sliding tracks are provided on the front and rear sides of each layer of square frames. A pair of clamping beams for clamping and righting the telescopic tower 3 are slidably fitted on the sliding tracks. The two ends of each clamping beam are connected across the sliding tracks on the front and rear sides. A driving device is provided on the left and right sides of each layer of square frames to move the pair of clamping beams in opposite directions. Grooves are provided on the opposite sides of the pair of clamping beams. When the pair of clamping beams clamp the telescopic tower 3, the telescopic tower 3 is located in the grooves of the pair of clamping beams.

[0043] The groove is arc-shaped. A rubber pad 10 is provided on the inner side of the groove. The rubber pad 10 attached inside increases the friction, which not only enhances the clamping effect on the telescopic tower 3, but also plays a role in fixing and protecting the surface of the telescopic tower 3 during floating and transportation, avoiding damage caused by friction or collision.

[0044] The drive unit includes a motor, a gear 16 mounted on the motor output shaft, and a rack 15 meshing with the gear 16. The motor is fixed to the left or right side frame, and the left and right side frames are provided with guide grooves in the left and right directions. The rack 15 is fixed to a support arm 17. One end of the support arm 17 is located in the guide groove of the left or right side frame and is slidably connected to the left or right side frame. The other end of the support arm 17 is fixedly connected to the clamping beam. The gear 16 and rack 15 work together to drive the pair of clamping beams to move in opposite directions.

[0045] Each layer of the square frame is composed of left and right longitudinal beams 11 and front and rear crossbeams. One longitudinal beam 11 is fixedly connected to a crossbeam A12 and is snapped into or connected to a crossbeam B13 via a pin. The crossbeams and longitudinal beams 11 can be snapped together by a rotating locking structure 14. The rotating locking structure 14 is provided with a rotating shaft 18, on which a wedge-shaped locking block 19 is fixed. When the rotating shaft 18 rotates in the forward direction, the wedge-shaped locking block 19 is screwed into a slot provided in the crossbeam or longitudinal beam 11, thus snapping the crossbeam into the longitudinal beam 11. When the rotating shaft 18 is rotated in the reverse direction, the wedge-shaped locking block 19 is unscrewed from the slot in the crossbeam or longitudinal beam 11, thus disengaging the snapped crossbeam from the longitudinal beam 11. The rotating shaft 18 can be connected to the motor output shaft. This design makes the unlocking operation simpler and more efficient, and the automated control driven by the motor reduces manual intervention and lowers operational risks.

[0046] The ends of the crossbeam and the longitudinal beam 11 may be provided with connecting ears. The connecting ears are provided with through holes, and the pin passes through the through holes of the connecting ears to connect the crossbeam and the longitudinal beam 11.

[0047] When the telescopic tower 3 needs to be inserted into the straightening and clamping device 2, the motor connected to the gear 16 is driven to rotate, thereby causing the rack 15 to move left or right. This causes the pair of clamping beams to move in opposite directions, increasing the distance between them to facilitate the smooth insertion of the telescopic tower 3. After the telescopic tower 3 enters the predetermined position, the gear 16 rotates in reverse, causing the pair of clamping beams to move towards each other and clamp the telescopic tower 3. The rubber in the groove tightly adheres to the surface of the telescopic tower 3, achieving a stable grip. The rubber material not only increases the friction with the surface of the telescopic tower 3 but also acts as a buffer and protector, preventing damage to the telescopic tower 3 due to shaking or collision during floating. This adaptive clamping design can effectively handle telescopic towers 3 of different diameters, ensuring the stability of the telescopic tower 3 during floating.

[0048] Upon arrival at the installation location, the clamping device 2 is unlocked. The motor drives the gear 16, which in turn moves the rack 15 to the left or right, increasing the distance between the pair of clamping beams and unlocking the telescopic tower 3.

[0049] The aforementioned components, including the wind turbine 1, the straightening and clamping device 2, the telescopic tower 3, the pipe rack 4, the cylindrical foundation 5, the main floating transport vessel 6, the auxiliary floating transport vessel 7, the clamping beam, the rubber pad 10, the longitudinal beam 11, the crossbeam, the rotating clamping structure 14, the hydraulic cylinder, the electric cylinder, the electric or manual chain hoist, the rack 15, the gear 16, the support arm 17, the rotating shaft 18, and the wedge-shaped clamping block 19, can all adopt applicable structures and devices in the existing technology, or adopt structures and devices in the existing technology and construct them using conventional technical means.

[0050] The embodiments described above are only used to illustrate the technical ideas and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. The patent scope of this utility model should not be limited by these embodiments. That is, any equivalent changes or modifications made to the spirit disclosed in this utility model still fall within the patent scope of this utility model.

Claims

1. A righting and clamping device for floating offshore wind power foundations and wind power installations, the wind power installation comprising a telescopic tower, a wind turbine and blades connected in series, the offshore wind power foundation comprising a self-floating cylinder foundation; characterized in that, The telescopic tower is fixed to a cylindrical foundation, around which a floating platform is provided. The floating platform is connected to the cylindrical foundation by anchor chains. N layers of square frames are built on the floating platform, where N≥1. The telescopic tower is located within each layer of square frames. On the front and rear sides of each layer of square frames, there are left and right sliding rails. A pair of clamping beams for clamping and straightening the telescopic tower slides on the rails. The two ends of each clamping beam are connected across the sliding rails on the front and rear sides. On the left and right sides of each layer of square frames, there are driving devices that allow the pair of clamping beams to move in opposite directions. The opposing sides of the pair of clamping beams have grooves. When the pair of clamping beams clamp the telescopic tower, the telescopic tower is located in the grooves of the pair of clamping beams.

2. A buoyant offshore wind foundation and centralising and clamping device for a wind power plant according to claim 1, characterised in that The groove is either figure-eight shaped or arc-shaped.

3. A buoyant offshore wind foundation and centralising and clamping device for a wind power plant according to claim 1, characterised in that A rubber pad is provided on the inner side of the groove.

4. A buoyant offshore wind foundation and centralising and clamping device for a wind power plant according to claim 1, characterised in that The drive unit includes a hydraulic cylinder or an electric cylinder, the cylinder end of which is fixedly connected to the left or right side frame, and the telescopic end of which is fixedly connected to the clamping beam.

5. A buoyant offshore wind foundation and centralising and clamping device for a wind power plant according to claim 1, characterised in that The drive unit includes a motor, a gear mounted on the output shaft of the motor, and a rack meshing with the gear. The motor is fixed on the left or right side frame. The left and right side frames are provided with guide grooves in the left and right directions. The rack is fixed on the support arm. One end of the support arm is located in the guide groove of the left or right side frame and is slidably connected to the left or right side frame. The other end of the support arm is fixedly connected to the clamping beam.

6. A buoyant offshore wind foundation and centralising and clamping device for a wind power plant according to claim 1, characterised in that The driving device includes an electric or manual chain hoist, with at least one chain hoist connected to each clamping beam on both the left and right sides, and the chain hoist drives the clamping beam to move to the left or right.

7. A buoyant offshore wind foundation and centralising and clamping device for a wind power plant according to claim 1, characterised in that A pair of clamping beams are provided with through holes for mating. Bolts are passed through the through holes and tightened with nuts to lock the pair of clamping beams together.

8. The righting and clamping device for floating offshore wind power foundations and wind power equipment according to claim 1, characterized in that, One of the clamping beams is equipped with a retaining ring, and the other clamping beam is hinged with a hook. The two clamping beams are locked together by engaging the hook with the retaining ring.

9. A buoyant offshore wind foundation and centralising and clamping device for a wind power plant according to claim 1, characterised in that A pair of clamping beams are provided with mating holes, and the pair of clamping beams are locked together by inserting a pin into the hole.

10. A buoyant offshore wind foundation and centralising and clamping device for a wind power plant according to claim 1, characterised in that Each square frame consists of two longitudinal beams on the left and right and two transverse beams at the front and back. One longitudinal beam is fixed to one transverse beam and is snapped or connected to the other transverse beam by a pin.

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