A collision avoidance device for a four-pile jacket foundation of an offshore wind turbine and its auxiliary ladder

Abstract

This utility model discloses a collision avoidance device and auxiliary ladder for a four-pile jacket foundation of an offshore wind turbine. The device includes jacket legs, with two sets of anti-collision posts fixedly connected to the outer side of the jacket legs. The outer side of each set of anti-collision posts is fixedly connected to the jacket legs via multiple sets of support posts. Anti-collision panels are fixedly connected to the outer side of each set of anti-collision posts away from the support posts. Buffer components are fixedly connected to the upper and lower ends of each set of anti-collision panels and the anti-collision posts. The buffer components include connecting cylinders fixedly connected to the upper and lower ends of the outer side of the anti-collision posts. A telescopic cylinder is slidably connected inside the connecting cylinder. A movable post is fixedly connected to the rear end of the connecting cylinder, and an abutment sleeve is slidably connected to the front end of the movable post. This utility model, through its design, can significantly reduce the impact force of collisions on the jacket foundation, protect it from damage, and improve the structural safety of the four-pile jacket foundation of an offshore wind turbine.

Description

Technical Field

[0001] This utility model belongs to the field of offshore wind turbine technology, specifically relating to a ship-berthing anti-collision device and an auxiliary ladder for a four-pile jacket foundation of an offshore wind turbine. Background Technology

[0002] Accidents involving ships colliding with offshore jacket platforms occur frequently. When an offshore jacket platform is struck by a ship, the main pile leg structure is easily damaged, which can lead to a decrease in the platform's load-bearing capacity. In severe cases, it can even induce the platform to collapse and threaten the safety of the platform structure and the workers. To address the issue of ship collisions, certain protective energy-absorbing measures can be taken to reduce the forces acting on the foundation of the offshore jacket platform, thereby reducing the damage caused by ships to the jacket platform.

[0003] The commonly used method is to install a berthing device on the jacket structure to reduce the impact force of ships on the foundation structure. However, the traditional berthing device is directly connected to the main pile leg of the jacket platform by welding through an energy-absorbing device. Only a rubber fender is installed on the outside of the berthing column. The berthing column is fixed to the jacket platform by welding through the energy-absorbing device. The direct force transmission path makes it easy for the platform pile leg to be locally dented and bent as a whole during a collision, which seriously threatens the safety of the main structure of the platform. Utility Model Content

[0004] (1) Technical problems to be solved In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a ship-berthing anti-collision device and an auxiliary ladder for the four-pile jacket foundation of offshore wind turbines. This device aims to solve the technical problem that the direct force transmission path of the ship-berthing device under the existing technology is prone to causing damage to the platform pile legs, which seriously threatens the safety of the main structure of the platform.

[0005] (2) Technical solution To solve the above-mentioned technical problems, this utility model provides a ship-berthing anti-collision device for a four-pile jacket foundation of an offshore wind turbine. The device includes jacket legs, and two sets of anti-collision posts are fixedly connected to the outside of the jacket legs. The outside of the two sets of anti-collision posts is fixedly connected to the jacket legs through multiple sets of support posts. Anti-collision panels are fixedly connected to the outside of the two sets of anti-collision posts on the side away from the support posts. The upper and lower ends of the two sets of anti-collision panels are fixedly connected to the anti-collision posts with buffer components. The buffer assembly includes a connecting cylinder fixedly connected to the upper and lower ends of the outer side of the anti-collision post. A telescopic cylinder is slidably connected inside the connecting cylinder. A movable column is fixedly connected to the rear end of the connecting cylinder. An abutment sleeve is slidably connected to the front end of the movable column. Guide columns are fixedly connected to both the upper and lower ends of the connecting cylinder. A first buffer spring is sleeved on the outer side of each of the two sets of guide columns. A movable sleeve is slidably connected to the outer side of each of the two sets of guide columns at the opposite end of the two sets of first buffer springs. A transmission rod is installed between each of the two sets of movable sleeves and the abutment sleeve. A connecting column is slidably connected inside the telescopic cylinder, and the front end of the connecting column is fixedly connected to the anti-collision panel. A second buffer spring is fixedly connected inside the telescopic cylinder at the rear end of the connecting column.

[0006] When using the device of this technical solution, when the anti-collision panel is hit by a ship, the impact force is transmitted to the connecting column. After the connecting column is hit by the impact force, it slides and compresses the second buffer spring inside the telescopic cylinder. The compression process of the second buffer spring absorbs part of the impact energy, slowing down the movement speed of the connecting column and the anti-collision panel. At the same time, the abutment sleeve is pushed by the movable column and moves. The movement of the abutment sleeve will drive the movable sleeve to slide on the guide column through the transmission rod, compressing the first buffer spring. The compression process of the first buffer spring will also absorb energy, and the energy will be distributed to the connecting cylinder and the anti-collision column through the transmission rod and the abutment sleeve. This can significantly reduce the impact force of the collision on the jacket foundation, protect it from damage, and thus improve the structural safety of the four-pile jacket foundation of the offshore wind turbine.

[0007] Preferably, the rear end of the connecting cylinder abuts against the front end of the abutting sleeve, and both ends of the transmission rod are hinged to the abutting sleeve and the moving sleeve, respectively.

[0008] Furthermore, a stabilizing plate is fixedly connected to the rear end of the connecting column, and the stabilizing plate is slidably connected to the inside of the telescopic cylinder through a limiting groove.

[0009] Furthermore, the top of each set of anti-collision posts is fixedly connected to a first sealing plate.

[0010] Furthermore, the rear ends of multiple sets of support columns are fixedly connected to the guide frame legs via cover plates, and the outer sides of the front ends of multiple sets of support columns are fixedly connected to mooring columns, with a second sealing plate fixedly connected to the top of the mooring columns.

[0011] Furthermore, multiple sets of reinforcing ribs are fixedly connected to the outer sides of both sets of anti-collision panels, and these reinforcing ribs are evenly distributed on the surface of the anti-collision panels.

[0012] This utility model also provides an auxiliary ladder, and as part of the anti-collision device for the four-pile jacket foundation of an offshore wind turbine, including any of the above-mentioned features, it further includes: The ship is supported by a ladder, which is fixedly connected between two sets of anti-collision posts. A grouting operation platform is fixedly connected to the outside of the support posts and to the back of the top of the ladder.

[0013] (3) Beneficial effects Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes a combined design of anti-collision posts, support posts, anti-collision panels, and buffer components. The anti-collision posts are installed on the outside of the jacket foundation legs via support posts. When the anti-collision panel is struck by a ship, the impact force is transmitted to the connecting post. After being struck by the impact force, the connecting post slides and compresses the second buffer spring inside the telescopic cylinder. The compression process of the second buffer spring absorbs some of the impact energy, slowing down the movement speed of the connecting post and the anti-collision panel. Simultaneously, the abutment sleeve is pushed by the movable post and moves. The movement of the abutment sleeve drives the movable sleeve to slide on the guide post via the transmission rod, compressing the first buffer spring. The compression process of the first buffer spring also absorbs energy and distributes the energy to the connecting cylinder and the anti-collision posts through the transmission rod and the abutment sleeve. This significantly reduces the impact force of collisions on the jacket foundation, protecting it from damage and thus improving the structural safety of the offshore wind turbine four-pile jacket foundation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the berthing ladder structure of this utility model; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the anti-collision panel structure of this utility model; Figure 5 This is a schematic diagram of the buffer component structure of this utility model; Figure 6 This is a schematic diagram of the internal structure of the buffer component of this utility model.

[0015] The markings in the attached diagram are as follows: 1. Guide frame leg; 2. Anti-collision post; 201. First sealing plate; 3. Support post; 301. Sheath plate; 302. Mooring post; 303. Second sealing plate; 4. Anti-collision panel; 401. Reinforcing rib; 5. Buffer assembly; 501. Connecting cylinder; 502. Telescopic cylinder; 503. Movable post; 504. Abutment sleeve; 505. Guide post; 506. First buffer spring; 507. Movable sleeve; 508. Transmission rod; 509. Connecting post; 510. Second buffer spring; 511. Stabilizing plate; 512. Limiting groove; 6. Ship berthing ladder; 7. Grouting operation platform. Detailed Implementation

[0016] This specific embodiment is a collision avoidance device for a four-pile jacket foundation of an offshore wind turbine when berthing with a ship. Its structural schematic diagram is shown below. Figure 1-6As shown, the device includes a guide frame leg 1. Two sets of anti-collision posts 2 are fixedly connected to the outside of the guide frame leg 1. The outside of the two sets of anti-collision posts 2 are fixedly connected to the guide frame leg 1 through multiple sets of support posts 3. Anti-collision panels 4 are fixedly connected to the outside of the two sets of anti-collision posts 2 on the side away from the support posts 3. The upper and lower ends of the two sets of anti-collision panels 4 are fixedly connected to the buffer components 5 between the anti-collision posts 2 and the upper and lower ends of the anti-collision panels 4.

[0017] First, in this embodiment, the specific structure of buffer component 5 is as follows: The buffer assembly 5 includes a connecting cylinder 501 fixedly connected to the upper and lower ends of the outer side of the anti-collision post 2. A telescopic cylinder 502 is slidably connected inside the connecting cylinder 501. A movable post 503 is fixedly connected to the rear end of the connecting cylinder 501. An abutment sleeve 504 is slidably connected to the front end of the movable post 503. Guide posts 505 are fixedly connected to both the upper and lower ends of the connecting cylinder 501. A first buffer spring 506 is sleeved on the outer side of each of the two sets of guide posts 505. A movable sleeve 507 is slidably connected to the outer side of each of the two sets of guide posts 505 and at the opposite end of each of the two sets of first buffer springs 506. A transmission rod 508 is installed between each of the two sets of movable sleeves 507 and the abutment sleeve 504. A connecting post 509 is slidably connected inside the telescopic cylinder 502, and the front end of the connecting post 509 is fixedly connected to the anti-collision panel 4. A second buffer spring 510 is fixedly connected inside the telescopic cylinder 502 and at the rear end of the connecting post 509. When the anti-collision panel 4 is hit by a ship, the impact force is transmitted to the connecting column 509. After the connecting column 509 is hit by the impact force, it slides and compresses the second buffer spring 510 inside the telescopic cylinder 502. The compression process of the second buffer spring 510 absorbs some of the impact energy, slowing down the movement speed of the connecting column 509 and the anti-collision panel 4. At the same time, the abutment sleeve 504 is pushed by the movable column 503 and moves. The movement of the abutment sleeve 504 drives the movable sleeve 507 to slide on the guide column 505 through the transmission rod 508, compressing the first buffer spring 506. The compression process of the first buffer spring 506 also absorbs energy and disperses the energy to the connecting cylinder 501 and the anti-collision column 2 through the transmission rod 508 and the abutment sleeve 504. This can significantly reduce the impact force of the collision on the jacket foundation, protect it from damage, and thus improve the structural safety of the offshore wind turbine four-pile jacket foundation.

[0018] Furthermore, the rear end of the connecting cylinder 501 abuts against the front end of the abutting sleeve 504, and the two ends of the transmission rod 508 are respectively hinged to the abutting sleeve 504 and the moving sleeve 507. The abutting sleeve 504 abuts against the connecting cylinder 501 to ensure that the collision force can be transmitted without loss. The hinged transmission rod 508 converts the linear impact into the radial movement of the moving sleeve 507, thereby compressing the first buffer spring 506 to buffer the collision.

[0019] Then, a stabilizing plate 511 is fixedly connected to the rear end of the connecting column 509. The stabilizing plate 511 is slidably connected to the inside of the telescopic cylinder 502 through the limiting groove 512. The stabilizing plate 511 slides inside the limiting groove 512, ensuring the stability of the movement of the connecting column 509 while limiting its stroke.

[0020] Furthermore, the top of each of the two sets of anti-collision posts 2 is fixedly connected with a first sealing plate 201. The first sealing plate 201 can prevent seawater, debris and other objects from entering the interior of the anti-collision post 2, protect the internal structure from corrosion and extend its service life.

[0021] Secondly, the rear ends of multiple sets of support columns 3 are fixedly connected to the jacket leg 1 through the cover plate 301, and the outer sides of the front ends of multiple sets of support columns 3 are fixedly connected to mooring posts 302. The top of the mooring post 302 is fixedly connected to a second sealing plate 303. The mooring post 302 provides convenience for mooring the ship, and the second sealing plate 303 also plays a protective role, preventing seawater, debris and other objects from entering the interior of the mooring post 302.

[0022] Finally, multiple sets of reinforcing ribs 401 are fixedly connected to the outer side of both sets of anti-collision panels 4, and the multiple sets of reinforcing ribs 401 are evenly distributed on the surface of the anti-collision panel 4. The reinforcing ribs 401 enhance the strength and rigidity of the anti-collision panel 4, making it more able to resist collision impact and protect the internal guide frame foundation from damage.

[0023] This utility model also provides an auxiliary ladder, including a ship-berthing anti-collision device for a four-pile jacket foundation of an offshore wind turbine, and further includes: The boat is moored by a ladder 6, which is fixedly connected between two sets of anti-collision posts 2. A grouting operation platform 7 is fixedly connected to the outside of the support post 3 and on the back of the top of the boat moored by the ladder 6. The boat moored by the ladder 6 provides a convenient access for workers to go up and down, facilitating daily maintenance and repair work. The grouting operation platform 7 provides a safe and stable working space for grouting and other construction operations.

[0024] When using the device of this technical solution, when the anti-collision panel 4 is hit by a ship, the impact force is transmitted to the connecting column 509. After the connecting column 509 is hit by the impact force, it slides and compresses the second buffer spring 510 inside the telescopic cylinder 502. The compression process of the second buffer spring 510 absorbs part of the impact energy and slows down the movement speed of the connecting column 509 and the anti-collision panel 4. At the same time, the abutment sleeve 504 is pushed by the movable column 503 and moves. The movement of the abutment sleeve 504 will drive the movable sleeve 507 to slide on the guide column 505 through the transmission rod 508, compressing the first buffer spring 506. The compression process of the first buffer spring 506 will also absorb energy and disperse the energy to the connecting cylinder 501 and the anti-collision column 2 through the transmission rod 508 and the abutment sleeve 504. This utility model can significantly reduce the impact force of collision on the jacket foundation, protect it from damage, and improve the structural safety of the offshore wind turbine four-pile jacket foundation.

[0025] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A collision avoidance device for a four-pile jacket foundation of an offshore wind turbine, the device comprising jacket legs (1); characterized in that, Two sets of anti-collision posts (2) are fixedly connected to the outside of the guide frame leg (1). The outside of the two sets of anti-collision posts (2) is fixedly connected to the guide frame leg (1) through multiple sets of support posts (3). Anti-collision panels (4) are fixedly connected to the outside of the two sets of anti-collision posts (2) on the side away from the support posts (3). The upper and lower ends of the two sets of anti-collision panels (4) are fixedly connected to the buffer components (5) between the anti-collision posts (2) and the upper and lower ends of the anti-collision panels (4). The buffer assembly (5) includes a connecting cylinder (501) fixedly connected to the upper and lower ends of the outside of the anti-collision post (2). A telescopic cylinder (502) is slidably connected inside the connecting cylinder (501). A movable column (503) is fixedly connected to the rear end inside the connecting cylinder (501). An abutment sleeve (504) is slidably connected to the front end of the movable column (503). Guide columns (505) are fixedly connected to both the upper and lower ends inside the connecting cylinder (501). A first buffer spring (506) is sleeved on the outer side of both sets of guide columns (505). On the outer side of the two sets of guide columns (505) and at the opposite end of the two sets of first buffer springs (506), a movable sleeve (507) is slidably connected. A transmission rod (508) is installed between the two sets of movable sleeves (507) and the abutment sleeve (504). A connecting column (509) is slidably connected inside the telescopic cylinder (502), and the front end of the connecting column (509) is fixedly connected to the anti-collision panel (4). A second buffer spring (510) is fixedly connected inside the telescopic cylinder (502) and at the rear end of the connecting column (509).

2. The anti-collision device for a four-pile jacket foundation of an offshore wind turbine as described in claim 1, characterized in that, The rear end of the connecting cylinder (501) abuts against the front end of the abutting sleeve (504), and the two ends of the transmission rod (508) are respectively hinged to the abutting sleeve (504) and the moving sleeve (507).

3. The anti-collision device for a four-pile jacket foundation of an offshore wind turbine as described in claim 1, characterized in that, The rear end of the connecting column (509) is fixedly connected to a stabilizing plate (511), and the stabilizing plate (511) is slidably connected to the inside of the telescopic cylinder (502) through a limiting groove (512).

4. The anti-collision device for a four-pile jacket foundation of an offshore wind turbine as described in claim 1, characterized in that, The top of each of the two sets of anti-collision posts (2) is fixedly connected with a first sealing plate (201).

5. The anti-collision device for a four-pile jacket foundation of an offshore wind turbine as described in claim 1, characterized in that, The rear ends of the multiple sets of support columns (3) are fixedly connected to the guide frame leg (1) through the cover plate (301), and the outer side of the front end of the multiple sets of support columns (3) is fixedly connected to the mooring column (302), and the top end of the mooring column (302) is fixedly connected to the second sealing plate (303).

6. The anti-collision device for a four-pile jacket foundation of an offshore wind turbine as described in claim 1, characterized in that, Multiple sets of reinforcing ribs (401) are fixedly connected to the outer side of both sets of anti-collision panels (4), and the multiple sets of reinforcing ribs (401) are evenly distributed on the surface of the anti-collision panel (4).

7. An auxiliary ladder, characterized in that... The system includes a ship-berthing anti-collision device for a four-pile jacket foundation of an offshore wind turbine as described in any one of claims 1-6, and further includes: The ship is moored by a ladder (6), which is fixedly connected between two sets of anti-collision posts (2). A grouting operation platform (7) is fixedly connected to the outside of the support post (3) and on the back of the top of the ship mooring ladder (6).

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