CN114370059B - Energy dissipation type berthing collision avoidance system for offshore wind power - Google Patents
Energy dissipation type berthing collision avoidance system for offshore wind power Download PDFInfo
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- CN114370059B CN114370059B CN202210106553.XA CN202210106553A CN114370059B CN 114370059 B CN114370059 B CN 114370059B CN 202210106553 A CN202210106553 A CN 202210106553A CN 114370059 B CN114370059 B CN 114370059B
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- berthing
- transverse
- wind power
- offshore wind
- supporting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses an energy-dissipation berthing anti-collision system for offshore wind power, which comprises at least two vertical berthing pipes, wherein a plurality of transverse berthing pipe groups are arranged between every two adjacent vertical berthing pipes from top to bottom at intervals, and two ends of each transverse berthing pipe group are rigidly connected with the vertical berthing pipes positioned on the same side; an elastic supporting component is connected between the transverse berthing pipe group and the offshore wind power single column body, one end of the elastic supporting component is hinged with the transverse berthing pipe group, and the other end of the elastic supporting component is rigidly connected with the offshore wind power single column body. The invention dissipates the external impact energy through self elastic deformation and interaction with sea water, thereby achieving the purpose of reducing the damage to the berthing structure, having the capability of deformation recovery, being safe and reliable and being widely popularized in offshore wind power engineering.
Description
Technical Field
The invention relates to the technical field of auxiliary structures of offshore wind power foundations, in particular to an energy-dissipation berthing collision avoidance system of offshore wind power.
Background
The offshore wind energy resource of China is rich, the development and construction of the seawater wind power are well-developed, the single pile foundation is largely applied to the offshore wind power, meanwhile, the single pile barrel foundation is gradually popularized to the offshore wind power in recent years, the auxiliary structures of the single pile and the single pile barrel are mature, and the rigid frame structure consisting of steel pipes is adopted.
However, as the service time of the offshore wind farm is shifted, the rigid frame structure deforms to different degrees, the steel pipe flexes and the like under the action of the continuous berthing force of the ship, and part of berthing pieces are completely damaged under the collision of the ship, even the foundation main body is damaged to different degrees, and the traditional berthing member cannot rapidly dissipate external collision energy in a short time due to the fact that the foundation main body is damaged to different degrees, so that energy can be absorbed only through the deformation of the foundation main body and the rigid frame structure. The conventional berthing member faces the defect that the berthing of the ship is easy to deform and damage, so that an energy-dissipation berthing anti-collision system needs to be designed.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide an energy-dissipation type berthing anti-collision system for offshore wind power, which dissipates external impact energy through self elastic deformation and interaction with seawater, thereby achieving the purpose of reducing damage to berthing structures.
In order to achieve the purpose, the energy-dissipation berthing anti-collision system for offshore wind power comprises at least two vertical berthing pipes, wherein a plurality of transverse berthing pipe groups are arranged between two adjacent vertical berthing pipes from top to bottom at intervals, and two ends of each transverse berthing pipe group are rigidly connected with the vertical berthing pipes positioned on the same side;
an elastic supporting component is connected between the transverse berthing pipe group and the offshore wind power single column body, one end of the elastic supporting component is hinged with the transverse berthing pipe group, and the other end of the elastic supporting component is rigidly connected with the offshore wind power single column body.
Further, the transverse berthing tube group comprises at least two transverse berthing tubes hinged to each other, the transverse berthing tubes are provided with at least one movable end, and the movable ends of the transverse berthing tubes are hinged to the movable ends of the adjacent other transverse berthing tubes.
Further, a connecting seat is arranged at the movable end of the transverse berthing tube, a connecting clamping plate matched with the connecting seat is arranged at the movable end of the adjacent transverse berthing tube, and the free end of the connecting clamping plate is embedded into the connecting seat and hinged with the connecting seat through a first hinge.
Further, the elastic support assembly comprises a plurality of support springs and corrugated sleeves, one ends of the support springs are hinged to the transverse berthing pipe groups through the hinge assemblies, the other ends of the support springs are rigidly connected with the offshore wind power single-column body, the corrugated sleeves are sleeved on the outer rings of the support springs, and two ends of the corrugated sleeves are open ends.
Further, the hinge assembly comprises an end plate, a connecting seat and an ear plate, one side of the end plate is fixedly connected with the supporting spring, and the other side of the end plate is fixedly connected with the connecting seat;
one end of the ear plate is fixedly connected with the outer wall of the transverse berthing tube group, and the other end of the ear plate is embedded into the connecting seat and hinged with the connecting seat through a second hinge piece.
Further, the supporting springs comprise two first supporting springs and a plurality of second supporting springs, and the second supporting springs are located between the two first supporting springs.
Further, the first support spring and the second support spring are cylindrical helical compression springs, and the length of the first support spring is larger than that of the second support spring.
Further, the middle part of the first supporting spring is provided with a resistance increasing plate, and the outer ring of the resistance increasing plate is in a zigzag shape.
Still further, be provided with a plurality of vertical connecting rods between two sets of upper and lower adjacent horizontal berthing nest of tubes.
Still further, the diameter of the vertical link is smaller than the diameter of the vertical berthing pipe.
Compared with the prior art, the invention has the following advantages:
firstly, the invention dissipates the external impact energy through self elastic deformation and interaction with sea water, thereby achieving the purpose of reducing the damage to the berthing structure, and the berthing system has the capability of deformation recovery, is safe and reliable, and can be widely popularized in offshore wind power engineering.
The energy-dissipation type berthing anti-collision system is based on an elastic recoverable system, fully utilizes self-buffering capacity of the structure and interaction between the energy-dissipation type berthing anti-collision system and ocean currents, can fully convert external impact energy into seawater molecular energy, improves stability and sustainability of the berthing anti-collision system, prolongs service life of the berthing anti-collision system, and has positive promotion significance for development and construction of offshore wind farms in China.
Thirdly, the invention solves the problems that the traditional berthing piece is easy to deform, has poor anti-collision capability and cannot recover deformation under the continuous berthing action of the ship.
Drawings
FIG. 1 is a schematic diagram of a wind power energy dissipatable berthing collision avoidance system at sea;
FIG. 2 is a schematic view of an assembled structure of a lateral berthing pipe group;
FIG. 3 is a schematic view of an assembled structure of a lateral berthing tube set and an elastic support assembly;
FIG. 4 is a schematic diagram of the assembly of support springs and transverse berthing tubes;
in the figure, the vertical berthing pipe is 1-vertical, the horizontal berthing pipe group is 2.1-horizontal, the horizontal berthing pipe of 3-offshore wind power single cylinder, 4-elastic support assembly, 4.1-supporting spring, 4.11-first supporting spring, 4.12-second supporting spring, 4.2-corrugated sleeve, 5-connecting seat, 6-connecting clamping plate, 7.1-first articulated piece, 7.2-second articulated piece, 8-articulated assembly, 8.1-end plate, 8.2-connecting seat, 8.3-otic placode, 9-resistance-increasing plate and 10-vertical connecting rod.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to examples, but they are not to be construed as limiting the invention. While at the same time becoming clearer and more readily understood by way of illustration of the advantages of the present invention.
As shown in fig. 1, the energy-dissipation berthing collision avoidance system for offshore wind power of the embodiment comprises two vertical berthing pipes 1, three groups of transverse berthing pipe groups 2 are arranged between two adjacent vertical berthing pipes 1 from top to bottom at intervals, an elastic supporting component 4 is connected between each transverse berthing pipe group 2 and an offshore wind power single column 3, one end of each elastic supporting component 4 is hinged with each transverse berthing pipe group 2, and the other end of each elastic supporting component 4 is rigidly connected with the offshore wind power single column 3. Two vertical connecting rods 10 are arranged between two groups of vertically adjacent transverse berthing pipe groups 2, and the diameter of each vertical connecting rod 10 is smaller than that of each vertical berthing pipe 1. The two ends of the vertical connecting rod 10 are rigidly connected with the vertically adjacent transverse berthing tube group 2, and the two ends of the transverse berthing tube group 2 are rigidly connected with the vertical berthing tubes 1 positioned on the same side. Preferably, both ends of the transverse berthing tube group 2 are welded to the inner sides of the vertical berthing tubes 1, and the diameters of the vertical berthing tubes 1 and the transverse berthing tube group 2 are equal.
In the above technical scheme, the transverse berthing pipe group 2 comprises two transverse berthing pipes 2.1 hinged with each other, and the two transverse berthing pipes 2.1 are symmetrically arranged at the left and the rear, and are mechanically hinged. The transverse berthing pipe 2.1 is provided with a movable end, the movable end of the transverse berthing pipe 2.1 is hinged with the movable end of the adjacent transverse berthing pipe 2.1, and the other end of the transverse berthing pipe 2.1 opposite to the movable end is fixedly connected with the vertical berthing pipe 1. The vertical berthing pipes 1 and the horizontal berthing pipes 2.1 are seamless steel pipes.
As shown in fig. 2, a connecting seat 5 is arranged at the movable end of the transverse berth-leaning pipe 2.1, a connecting clamping plate 6 matched with the connecting seat 5 is arranged at the movable end of the adjacent other transverse berth-leaning pipe 2.1, and the free end of the connecting clamping plate 6 is embedded into the connecting seat 5 and hinged with the connecting seat through a first hinge piece 7.1. Round holes are formed in the connecting seat 5 and the connecting clamping plate 6, a first hinging piece 7.1 is inserted into the round holes to enable the two transverse berthing pipes 2.1 to be connected together, and bolts, bolts and the like can be selected as the first hinging piece 7.1.
As shown in fig. 3, the elastic supporting component 4 comprises twelve supporting springs 4.1 and corrugated sleeves 4.2, one end of each supporting spring 4.1 is hinged with the transverse berthing pipe group 2 through a hinge component 8, the other end of each supporting spring 4.1 is rigidly connected with the offshore wind power single column 3, the corrugated sleeves 4.2 are sleeved on the outer ring of each supporting spring 4.1, two ends of each corrugated sleeve 4.2 are open ends, and two ends of each corrugated sleeve 4.2 are not sealed, so that seawater can be allowed to enter or be discharged. The two ends of the supporting spring 4.1 are tightly ground, so that the supporting spring has larger bending rigidity, is not easy to bend, and the compression rigidity can be set according to the specific ship leaning requirement. The outside of the supporting spring is sleeved with a wear-resistant corrugated sleeve 4.2, the corrugated sleeve 4.2 is made of rubber, one end of the corrugated sleeve 4.2 is fixed with a circular end plate but not sealed, one end close to a single column is also not sealed, the corrugated sleeve is filled with water under normal state, when the supporting spring is compressed, the circular end plate simultaneously compresses the corrugated sleeve, and the internal sea water is rapidly extruded and discharged; when the spring returns, the corrugated sleeve returns to its original shape and is refilled with water.
As shown in fig. 4, the hinge assembly 8 includes an end plate 8.1, a connecting seat 8.2 and an ear plate 8.3, wherein one side of the end plate 8.1 is fixedly connected with the supporting spring 4.1, and the other side of the end plate 8.1 is fixedly connected with the connecting seat 8.2; one end of the ear plate 8.3 is fixedly connected with the outer wall of the transverse berthing tube group 2, and the other end of the ear plate 8.3 is embedded into the connecting seat 8.2 and hinged with the connecting seat through the second hinge piece 7.2. The two ear panels 8.3 are of identical gauge and are equipped with a second hinge 7.2 of equal gauge. In this embodiment, the end plate 8.1 is circular, the connection seat 8.2 is a double-layer ear plate structure, the clear distance between the double-layer ear plates is equal to the thickness of the ear plates, through holes are reserved in the ear plates 8.3 and the connection seat 8.2, the ear plates 8.3 and the connection seat 8.2 are connected together by inserting the second hinge member 7.2 into the holes, and the second hinge member 7.2 can be a bolt, a bolt or the like. The end plate 8.1 has a diameter slightly larger than the diameter of the support spring.
In the above technical solution, the supporting springs 4.1 on each group of transverse berthing tube groups 2 comprise two first supporting springs 4.11 and two second supporting springs 4.12, and the two second supporting springs 4.12 are located between the two first supporting springs 4.11. The first support spring 4.11 and the second support spring 4.12 are cylindrical helical compression springs, and the length of the first support spring 4.11 is greater than that of the second support spring 4.12. The middle part of the first supporting spring 4.11 is provided with a resistance increasing plate 9, and the outer ring of the resistance increasing plate 9 is in a zigzag shape. The resistance-increasing plate 9 is a circular steel plate with a toothed edge, and the potential energy of the supporting spring part is converted into ocean current kinetic energy by pushing water flow. The diameter of the resistance increasing plate 9 is 3-4 times of the diameter of the first supporting spring 4.11.
The working principle of the energy-dissipatable berthing collision avoidance system of the offshore wind power of the embodiment is as follows:
when a ship impacts the middle part of the transverse berthing anti-collision system, the second supporting spring 4.12 in the middle part is compressed, the two transverse berthing pipes 2.1 of the transverse berthing pipe group 2 rotate around the first hinge piece 7.1, the first supporting spring 4.11 provides reverse resistance, at the moment, the water inside the corrugated sleeve 4.2 is instantaneously extruded and discharged, sea water generates resistance to the berthing pipes, and energy is gradually dissipated; when the vertical berth pipe 1 is impacted, the first supporting spring 4.11 is compressed, the sea water generating speed inside the corrugated sleeve 4.2 is flushed out from the joint of the offshore wind power single cylinder 3 and the supporting spring, meanwhile, the resistance increasing plate 9 pushes sea water to move, at the moment, the second supporting spring 4.12 in the middle provides restoring moment to prevent the system from generating excessive deformation, and in the process, the energy is converted into sea water kinetic energy by the repeated movement of the supporting spring and the resistance increasing plate 9, so that the purposes of protecting the system and the single cylinder are achieved.
The foregoing is merely exemplary embodiments of the present invention, and it should be noted that any changes and substitutions that may be easily contemplated by those skilled in the art within the scope of the present invention are intended to be covered by the present invention, and the remaining non-detailed description is included in the prior art.
Claims (5)
1. An energy dissipation type berthing anti-collision system for offshore wind power is characterized in that: the vertical berthing device comprises at least two vertical berthing pipes (1), wherein a plurality of transverse berthing pipe groups (2) are arranged between every two adjacent vertical berthing pipes (1) from top to bottom at intervals, and two ends of each transverse berthing pipe group (2) are rigidly connected with the vertical berthing pipes (1) positioned on the same side;
an elastic supporting component (4) is connected between the transverse berthing pipe group (2) and the offshore wind power single cylinder (3), one end of the elastic supporting component (4) is hinged with the transverse berthing pipe group (2), and the other end of the elastic supporting component (4) is rigidly connected with the offshore wind power single cylinder (3);
the transverse berthing tube group (2) comprises at least two transverse berthing tubes (2.1) which are hinged with each other, the transverse berthing tubes (2.1) are provided with at least one movable end, and the movable ends of the transverse berthing tubes (2.1) are hinged with the movable ends of the adjacent other transverse berthing tubes (2.1);
the elastic supporting assembly (4) comprises a plurality of supporting springs (4.1) and corrugated sleeves (4.2), one ends of the supporting springs (4.1) are hinged with the transverse berthing pipe group (2) through a hinge assembly (8), the other ends of the supporting springs (4.1) are rigidly connected with the offshore wind power single cylinder (3), the corrugated sleeves (4.2) are sleeved on the outer ring of the supporting springs (4.1), and two ends of the corrugated sleeves (4.2) are open ends;
the supporting springs (4.1) comprise two first supporting springs (4.11) and a plurality of second supporting springs (4.12), and the second supporting springs (4.12) are positioned between the two first supporting springs (4.11);
the first supporting spring (4.11) and the second supporting spring (4.12) are cylindrical helical compression springs, and the length of the first supporting spring (4.11) is larger than that of the second supporting spring (4.12);
the middle part of first supporting spring (4.11) is provided with increases resistance plate (9), the outer lane of increasing resistance plate (9) is the cockscomb structure.
2. The offshore wind power energy dissipatable berthing collision avoidance system of claim 1, wherein: the movable end of the transverse berthing tube (2.1) is provided with a connecting seat (5), the movable end of the adjacent other transverse berthing tube (2.1) is provided with a connecting clamping plate (6) matched with the connecting seat (5), and the free end of the connecting clamping plate (6) is embedded into the connecting seat (5) and hinged with the connecting seat through a first hinge (7.1).
3. The offshore wind power energy dissipatable berthing collision avoidance system of claim 1, wherein: the hinge assembly (8) comprises an end plate (8.1), a connecting seat (8.2) and an ear plate (8.3), one side of the end plate (8.1) is fixedly connected with the supporting spring (4.1), and the other side of the end plate (8.1) is fixedly connected with the connecting seat (8.2);
one end of the ear plate (8.3) is fixedly connected with the outer wall of the transverse berthing pipe group (2), and the other end of the ear plate (8.3) is embedded into the connecting seat (8.2) and hinged with the connecting seat through a second hinge piece (7.2).
4. A wind power offshore energy dissipatable berthing collision avoidance system according to claim 1 or 2 or 3, wherein: a plurality of vertical connecting rods (10) are arranged between two groups of the transverse berthing pipe groups (2) which are adjacent up and down.
5. The offshore wind power energy dissipatable berthing collision avoidance system of claim 4, wherein: the diameter of the vertical connecting rod (10) is smaller than that of the vertical berthing pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210106553.XA CN114370059B (en) | 2022-01-28 | 2022-01-28 | Energy dissipation type berthing collision avoidance system for offshore wind power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210106553.XA CN114370059B (en) | 2022-01-28 | 2022-01-28 | Energy dissipation type berthing collision avoidance system for offshore wind power |
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| CN114370059A CN114370059A (en) | 2022-04-19 |
| CN114370059B true CN114370059B (en) | 2023-05-26 |
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| CN202210106553.XA Active CN114370059B (en) | 2022-01-28 | 2022-01-28 | Energy dissipation type berthing collision avoidance system for offshore wind power |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117022554A (en) * | 2023-08-17 | 2023-11-10 | 上海勘测设计研究院有限公司 | Berthing and boarding system of high-freeboard floating type fan foundation and design method |
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| JP2000212938A (en) * | 1999-01-25 | 2000-08-02 | Molten Corp | Mooring device equipped with fender function |
| CN203996820U (en) * | 2014-06-27 | 2014-12-10 | 江苏科技大学 | Marine wind electric field maintenance ship berthing device |
| CN210151557U (en) * | 2019-03-05 | 2020-03-17 | 江苏宏远科技工程有限公司 | Large bridge unloads power anticollision facility |
| CN211816156U (en) * | 2019-12-24 | 2020-10-30 | 扬州市宏建工程材料有限公司 | Ship lock steel fender |
| CN213233321U (en) * | 2020-05-24 | 2021-05-18 | 卢加蓬 | Safe buffer stop on water in urban river course |
| CN113463574A (en) * | 2021-05-24 | 2021-10-01 | 李安娜 | Anti-collision device for offshore pier |
| CN113529659A (en) * | 2020-04-22 | 2021-10-22 | 中国电建集团华东勘测设计研究院有限公司 | Offshore electrical platform berthing buffer device containing non-Newtonian fluid |
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2022
- 2022-01-28 CN CN202210106553.XA patent/CN114370059B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000212938A (en) * | 1999-01-25 | 2000-08-02 | Molten Corp | Mooring device equipped with fender function |
| CN203996820U (en) * | 2014-06-27 | 2014-12-10 | 江苏科技大学 | Marine wind electric field maintenance ship berthing device |
| CN210151557U (en) * | 2019-03-05 | 2020-03-17 | 江苏宏远科技工程有限公司 | Large bridge unloads power anticollision facility |
| CN211816156U (en) * | 2019-12-24 | 2020-10-30 | 扬州市宏建工程材料有限公司 | Ship lock steel fender |
| CN113529659A (en) * | 2020-04-22 | 2021-10-22 | 中国电建集团华东勘测设计研究院有限公司 | Offshore electrical platform berthing buffer device containing non-Newtonian fluid |
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| CN113463574A (en) * | 2021-05-24 | 2021-10-01 | 李安娜 | Anti-collision device for offshore pier |
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