CN218508472U

CN218508472U - Offshore wind turbine structure capable of coping with high-strength scouring in severe weather

Info

Publication number: CN218508472U
Application number: CN202221854375.0U
Authority: CN
Inventors: 孟喆; 段少敏; 王宏伟; 杨政厚; 岳红轩; 武立国; 段选锋; 陈卓
Original assignee: Huaneng Renewables Corp Ltd; Beijing Huaneng Xinrui Control Technology Co Ltd
Current assignee: Huaneng Renewables Corp Ltd; Beijing Huaneng Xinrui Control Technology Co Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-02-21
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a can deal with offshore wind turbine structure that high strength erodees under bad weather, including installation pipe and pile foundation, installation pipe one side is provided with top and bottom plate respectively, the outer wall connection of roof and installation pipe, and be connected with a plurality of splice bars between roof and the bottom plate, be connected with a plurality of notch cuttlefish boards between splice bar upper plate and the roof, the through-hole has all been seted up on roof, notch cuttlefish board and the bottom plate, be provided with the buffering subassembly that cushions the sea water impact force on the base, the utility model discloses utilize first elastic plate and second elastic plate to carry out first step's buffering to the impact force that the buffer board received, then utilize the stairstepping structure on roof, notch cuttlefish board and floor to can reduce the velocity of flow of bottom ocean current, avoid the bottom velocity of flow to erode the pile foundation to utilize the stairstepping structure to destroy the ocean current and near the horseshoe vortex that the pile foundation formed, effectually protected the pile foundation.

Description

Can deal with marine fan structure that high strength erodeed under bad weather

Technical Field

The utility model relates to an ocean engineering structure technical field specifically is a can deal with marine fan structure that high strength erodeed under bad weather.

Background

Offshore wind resources are rich, the change of wind speed along with height is small, the turbulence intensity is low, the sea level friction is small, the fatigue load acting on the wind generating set is also small, the interference of noise, birds and electromagnetic waves on offshore wind power generation is small, and land resources on land can not be occupied. Therefore, offshore wind power generation becomes the fastest-developing green energy technology in the world, is influenced by the obstruction of the pile foundation and the speed gradient of ocean current, is easy to scour around the pile foundation in offshore construction, takes away silt around the pile foundation, and causes the serious consequences that the bearing capacity of a pile body is reduced, the foundation is inclined, and even the foundation is integrally collapsed.

The existing method for improving the problem of pile foundation scouring of offshore wind turbines is to put concrete or lay gravels in a certain range around a pile foundation, the rigidity of the solidified concrete is high, and the pile foundation cannot be affected by scouring in the service life, but the putting area of the concrete is large, the cost is high, and the later maintenance is difficult; and lay the grit and form the scour prevention effect of scouring sand face in the short time better, but inevitable existence clearance between the grit, when meetting big stormy waves, because the effect of big impact force, the silt of grit below still can be erodeed, the stone is destroyed and is leaded to the stone to sink into the silt layer and cause the protection to weaken, needs the continuous grit of puting in of maintenance to maintain and leads to the maintenance cost in later stage higher in order to maintain the scour prevention effect.

Therefore, the offshore wind turbine structure capable of coping with high-intensity scouring in severe weather is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can deal with the offshore wind turbine structure that high strength erodeed under bad weather to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can deal with marine fan structure that high strength erodeed under bad weather, includes installation pipe and pile foundation, installation pipe one side is provided with roof and bottom plate respectively, the outer wall connection of roof and installation pipe, and be connected with a plurality of splice bars between roof and the bottom plate, be connected with a plurality of ladder boards between splice bar upper plate and the roof, the through-hole has all been seted up on roof, ladder board and the bottom plate, be provided with the buffering subassembly that cushions the sea water impact force on the bottom plate.

Preferably, the buffering subassembly includes that the equal angle is seted up at the inside sliding tray of bottom plate, the sliding tray communicates with the periphery wall of bottom plate, be connected with the second elastic plate on the inner wall of sliding tray, the arc spout has been seted up on two inside relative lateral walls of sliding tray, the inside first elastic plate that is provided with of sliding tray, the both ends of first elastic plate are provided with the slide bar of mutually supporting with the spout, first elastic plate is located the outside of second elastic plate just the diameter of first elastic plate is greater than the diameter of second elastic plate, be provided with spacing groove and the stopper of mutually supporting on the inside wall of sliding tray and the lateral wall of buffer plate respectively.

Preferably, roof, bottom plate and ladder board are the cylinder board, the diameter of roof is less than the diameter of bottom plate, and a plurality of the ladder board is from being close to bottom plate one side to the diameter of being close to roof one side and steadilys decrease gradually.

Preferably, the outer side wall of the connecting rib is connected with a spoiler, and the spoiler is provided with a spoiler hole.

Preferably, the bottom plate is circular, and a reinforcing rib is connected between the bottom plate and the installation pipe.

Preferably, the step plate all with the outer wall connection of installation pipe, and adjacent all be provided with the equidistant gap between the step plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses utilize first elastic plate and second elastic plate to carry out the buffering of first step to the impact force that the buffer board received, then utilize the stairstepping structure on roof, ladder board and floor to the velocity of flow that can reduce the bottom sea water, avoid the bottom velocity of flow to erode the pile foundation to utilize the stairstepping structure to destroy the U-shaped vortex that the ocean current formed near the pile foundation, effectually protected the pile foundation.

2. The utility model discloses fixedly connected with spoiler on the lateral wall of splice bar has seted up the vortex hole on the spoiler, and the design in spoiler and vortex hole can further disturb the velocity of flow and the flow direction of sea water to further protect the pile foundation.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a second schematic view of the overall three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the main-view section of the three-dimensional structure of the present invention;

fig. 4 is a schematic view of the top view section of the present invention.

In the figure: 1-installing a pipe; 2-a bottom plate; 3-a top plate; 4-connecting ribs; 5-a spoiler; 6-a buffer component; 61-a buffer plate; 62-a sliding groove; 63-a limiting groove; 64-a stop block; 65-a chute; 66-a first resilient plate; 67-a second elastic plate; 68-a slide bar; 7-a flow disturbing hole; 8-reinforcing ribs; 9-a through hole; 10-step plate; 11-pile foundation.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a can deal with marine fan structure that high strength erodeed under bad weather, includes installation pipe 1 and pile foundation 11, pile foundation 11 passes installation pipe 1 and inserts the seabed inside, one side that installation pipe 1 is close to the sea bed surface is provided with roof 3 and bottom plate 2 respectively, the outer wall fixed connection of roof 3 and installation pipe 1, and fixedly connected with a plurality of splice bars 4 between roof 3 and the bottom plate 2, the splice bar 4 quantity is six in this embodiment, be connected with a plurality of step plates 10 between splice bar 4 upper plate 2 and the roof 3, the step plate 10 quantity in this embodiment is three, through-hole 9 has all been seted up on roof 3, step plate 10 and the bottom plate 2, roof 3, bottom plate 2 and step plate 10 are the cylinder board, the diameter of roof 3 is less than the diameter of bottom plate 2, and a plurality of step plate 10 is from being close to the diameter of being close to roof 3 one side from being close to diminishing gradually on one side of bottom plate 2; the buffer assembly 6 for buffering seawater impact force is arranged on the bottom plate 2, the buffer assembly 6 comprises an arc-shaped sliding groove 62 which is arranged in the bottom plate 2 at an equal angle, the equal angle is 90 degrees, the sliding groove 62 is communicated with the outer peripheral wall of the bottom plate 2, a second elastic plate 67 is fixedly connected to the inner wall of the sliding groove 62, arc-shaped sliding grooves 65 are formed in two opposite side walls in the sliding groove 62, the two opposite side walls are an inner top wall and an inner bottom wall of the sliding groove 62, a first elastic plate 66 is arranged in the sliding groove 62, sliding rods 68 which are mutually in sliding fit with the sliding grooves 65 are fixedly connected to two ends of the first elastic plate 66, the first elastic plate 66 is positioned between the second elastic plate 67 and the buffer plate 61, the diameter of the first elastic plate 66 is larger than that of the second elastic plate 67, a limit groove 63 and a limit block 64 which are mutually in sliding fit are respectively arranged on the inner bottom wall of the sliding groove 62 and the bottom wall of the buffer plate 61, the limit groove 63 is not communicated with the outer wall of the bottom plate 2, and the limit block 64 is fixedly connected with the bottom of the buffer plate 61; when the installation pipe is used, when the ocean current meets typhoon or high wind and waves, seawater can firstly impact and contact the buffer plate 61, the buffer plate 61 slides and compresses the first elastic plate 66 towards the inside of the sliding groove 62 under the impact of the seawater, the first elastic plate 66 slides in the sliding groove 65 through the sliding rods 68 at two ends after being compressed, so that the force is spread towards two sides and is unloaded, in the process that the first elastic plate 66 is spread towards two sides, the first elastic plate 66 is in contact with the second elastic plate 67, the second elastic plate 67 can absorb and buffer the impact force applied to the first elastic plate 66, the seawater can further scour the installation pipe 1 and the pile foundation 11 after scouring the buffer plate 61, in the scouring process, the pile foundation flow rate of the bottom ocean current can be reduced due to the stepped shape formed by the top plate 3, the bottom plate 10 and the bottom plate 2, the bottom layer flow rate scouring 11 is avoided, and the horseshoe vortex formed by the ocean current near the pile foundation 11 is destroyed by the stepped structure; this device utilizes first elastic plate 66 and second elastic plate 67 to carry out first step's buffering to the impact force that buffer plate 61 received, then utilizes the stairstepping structure on roof 3, step plate 10 and floor to the velocity of flow that can reduce the bottom sea water, avoids the bottom velocity of flow to erode pile foundation 11 to utilize the stairstepping structure to destroy the sea water in the near horseshoe vortex flow that forms of pile foundation 11, effectually protected pile foundation 11.

Fixedly connected with spoiler 5 on the lateral wall of splice bar 4, spoiler 7 has been seted up on spoiler 5, spoiler 5 and spoiler 7's use can further disturb the velocity of flow and the direction of flow of sea water, further protect pile foundation 11.

The bottom plate 2 is the ring form, and with the installation between 1 fixedly connected with strengthening rib 8 of pipe, when using, the stability between installation pipe 1 and bottom plate 2 can be promoted in the use of strengthening rib 8, and then the stability of promotion pile foundation 11.

Ladder board 10 all with the outer wall connection of installation pipe 1, and adjacent all be provided with equidistant gap between the ladder board 10, when using, the gap between adjacent ladder board 10 can reduce the resistance between ladder board 10 and the sea water to play the protection to ladder board 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can deal with marine fan structure that high strength erodeed under bad weather, includes installation pipe (1) and pile foundation (11), its characterized in that: installing tube (1) one side is provided with roof (3) and bottom plate (2) respectively, the outer wall connection of roof (3) and installing tube (1), and be connected with a plurality of splice bar (4) between roof (3) and bottom plate (2), be connected with a plurality of ladder boards (10) between splice bar (4) upper plate (2) and roof (3), through-hole (9) have all been seted up on roof (3), ladder board (10) and bottom plate (2), be provided with on bottom plate (2) and carry out buffering subassembly (6) that cushion the sea water impact force.

2. The offshore wind turbine structure capable of coping with high-intensity scouring in severe weather according to claim 1, wherein: buffer unit (6) offer sliding tray (62) in bottom plate (2) inside including waiting the angle, sliding tray (62) and the periphery wall intercommunication of bottom plate (2), be connected with second elastic plate (67) on the inner wall of sliding tray (62), arc spout (65) have been seted up on two inside relative lateral walls of sliding tray (62), sliding tray (62) inside is provided with first elastic plate (66), the both ends of first elastic plate (66) are provided with slide bar (68) of mutually supporting with spout (65), first elastic plate (66) are located the outside of second elastic plate (67) just the diameter of first elastic plate (66) is greater than the diameter of second elastic plate (67), be provided with matched with spacing groove (63) and stopper (64) on the lateral wall of the inside wall of sliding tray (62) and buffer plate (61) respectively.

3. The offshore wind turbine structure capable of coping with high-intensity scouring in severe weather according to claim 2, wherein: roof (3), bottom plate (2) and ladder board (10) are the cylinder board, the diameter of roof (3) is less than the diameter of bottom plate (2), and a plurality of ladder board (10) from being close to bottom plate (2) one side to the diameter that is close to roof (3) one side degressive gradually.

4. The offshore wind turbine structure capable of coping with high-intensity scouring in severe weather according to claim 1, wherein: the outer side wall of the connecting rib (4) is connected with a spoiler (5), and the spoiler (5) is provided with a spoiler hole (7).

5. The offshore wind turbine structure capable of dealing with high-intensity scouring in severe weather according to claim 4, wherein: the bottom plate (2) is in a circular ring shape, and a reinforcing rib (8) is connected between the bottom plate and the installation pipe (1).

6. The offshore wind turbine structure capable of coping with high-intensity scouring in severe weather according to claim 5, wherein: the ladder plate (10) is connected with the outer wall of the installation pipe (1) and adjacent to the outer wall of the installation pipe, and equidistant gaps are formed between the ladder plate (10).