CN112339926B - Floating anti-collision structure for offshore wind turbine foundation - Google Patents
Floating anti-collision structure for offshore wind turbine foundation Download PDFInfo
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- CN112339926B CN112339926B CN202011207484.9A CN202011207484A CN112339926B CN 112339926 B CN112339926 B CN 112339926B CN 202011207484 A CN202011207484 A CN 202011207484A CN 112339926 B CN112339926 B CN 112339926B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/18—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/18—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage
- B63B2043/185—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage using shock absorbing telescoping buffers
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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
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Abstract
The invention relates to the technical field of offshore wind power generation, in particular to an offshore wind turbine foundation floating type anti-collision structure which comprises a tower and a floating type damping assembly, wherein the floating type damping assembly is arranged around the tower; the floating shock absorption assembly comprises a floating frame, an inner buoy and an outer buoy, the inner buoy is arranged in the middle of the floating frame, the middle of the inner buoy is provided with a mounting hole for the tower frame to pass through, and the inner cavity of the inner buoy is filled with air; more than two sets of outer flotation pontoon are in the edge of floating the frame centers on interior flotation pontoon sets up, outer flotation pontoon includes stack shell and two above annular energy-absorbing cover from interior to exterior in proper order. The floating anti-collision structure of the offshore wind turbine foundation provided by the invention utilizes the matching of more than two annular energy-absorbing sleeves and the inner cylinder, so that the impact force on the floating anti-collision structure is gradually consumed, the impact effect of wind load and wave load on the foundation pile is effectively reduced, and the safety and the reliability are good.
Description
Technical Field
The invention relates to the technical field of offshore wind power generation, in particular to a floating anti-collision structure of an offshore wind turbine foundation.
Background
In deep sea areas far away from continents, a plurality of high-quality wind power resources can be developed and utilized, and the market prospect and the application are wide. In developing wind resources in these deep sea areas, it is now common practice to use various through-pile structures fixed to the sea floor to secure the offshore wind turbine foundation. Due to the severe environment of high wind and large wave in the sea, the wind turbine foundation can sway and vibrate under the impact of wind load and wave load, and meanwhile, the hidden danger that ships and marine organisms impact the wind turbine foundation exists, so that the offshore wind turbine generator set is greatly damaged in any situation, and the construction and maintenance cost of the offshore wind turbine generator set is increased linearly.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the floating anti-collision structure for the offshore wind turbine foundation is anti-collision and impact-resistant.
In order to solve the technical problems, the invention adopts the technical scheme that: the floating anti-collision structure of the offshore wind turbine foundation comprises a tower and a floating shock absorption assembly arranged around the tower;
the floating shock absorption assembly comprises a floating frame, an inner buoy and an outer buoy, the inner buoy is arranged in the middle of the floating frame, the middle of the inner buoy is provided with a mounting hole for the tower frame to pass through, and the inner cavity of the inner buoy is filled with air;
more than two groups of outer floating barrels are arranged around the inner floating barrel at the edge of the floating frame, and the outer floating barrels sequentially comprise barrel bodies and more than two annular energy absorption sleeves from inside to outside;
the cylinder body is fixedly connected with the floating frame, a damping medium is filled in an inner cavity of the cylinder body, a first annular assembly opening is formed in the circumferential outer wall of the cylinder body, a first annular rail is arranged at the position, located at the first annular assembly opening, of the cylinder body, a first rotating sleeve is rotatably arranged on the first annular rail, the first rotating sleeve is in interference fit with the first annular assembly opening, more than three first rotating pistons extending into the inner cavity of the cylinder body are arranged on the circumferential inner wall of the first rotating sleeve, the first rotating pistons are in interference fit with the inner wall of the cylinder body, a first channel is formed in each first rotating piston, and a first lock hole is formed in the circumferential outer wall of each first rotating sleeve;
the inner cavity of the annular energy-absorbing sleeve is filled with a damping medium, the circumferential inner wall of the annular energy-absorbing sleeve is locked with the first lock hole, a second annular assembling opening is formed in the circumferential outer wall of the annular energy absorption sleeve, a second annular rail is arranged at the second annular assembling opening of the annular energy absorption sleeve, a second rotating sleeve is rotatably arranged on the second annular track and is in interference fit with the second annular assembling port, more than three second rotary pistons extending into the inner cavity of the annular energy absorption sleeve are arranged on the circumferential inner wall of the second rotary sleeve, the second rotary piston is in interference fit with the inner wall of the annular energy absorption sleeve, a second channel is arranged on the second rotary piston, and a second lock hole connected with the inner wall of the other annular energy absorption sleeve is arranged on the circumferential outer wall of a second rotary sleeve on one annular energy absorption sleeve;
the outer wall of the circumference of the annular energy-absorbing sleeve far away from the barrel body is provided with more than three anti-collision guard plates along the circumferential direction.
The invention has the beneficial effects that: the floating anti-collision structure comprises a tower and a floating shock absorption assembly arranged around the tower, wherein the floating shock absorption assembly comprises a floating frame, an inner buoy and an outer buoy. When in installation, the inner buoy is arranged in the middle of the floating frame, the tower frame penetrates through an installation opening in the middle of the inner buoy, the outer buoy is arranged at the edge of the floating frame and is arranged around the inner buoy, the outer buoy sequentially comprises a cylinder body and more than two annular energy absorption sleeves from inside to outside, the cylinder body is fixedly arranged on the floating frame, the first rotary sleeve penetrates through the first annular assembly opening and is arranged in an inner cavity of the cylinder body, the first rotary sleeve is in sliding fit with the first annular rail, the first rotary sleeve is in interference fit with the first annular assembly opening, the first rotary sleeve can seal the first annular assembly opening when rotating, the first rotary sleeve utilizes the first rotary piston to separate the inner cavity of the cylinder body, the first rotary piston is provided with a first passage for a damping medium to pass through, the annular energy absorption sleeves are locked with the first lock holes of the first rotary sleeve, the second rotary sleeve penetrates through the second annular assembly opening and is arranged in the inner cavity of the annular energy absorption sleeves, the second rotary sleeve is in sliding fit with the second annular track and is in interference fit with the second annular assembly opening to ensure that the second rotary sleeve can seal the second annular assembly opening when rotating, the second rotary sleeve utilizes a second rotary piston to separate an inner cavity of the annular energy absorption sleeve, a second channel is arranged on the second rotary piston for allowing a damping medium to pass through, an anti-collision protective plate is arranged on the surface of the outer annular energy absorption sleeve, when the anti-collision protective plate is impacted during use, impact force enables the second rotary sleeve of the outer annular energy absorption sleeve to rotate, the second rotary sleeve drives the second rotary piston to compress the damping medium in the annular energy absorption sleeve, the inner annular energy absorption sleeve also rotates, the rotary piston of the inner layer is also driven to compress the damping medium in the inner annular energy absorption sleeve, and the inner annular energy absorption sleeve finally drives the first rotary sleeve to drive the first rotary piston to compress the damping medium in the barrel body, the floating anti-collision structure of the offshore wind turbine foundation provided by the invention utilizes the matching of more than two annular energy-absorbing sleeves and the inner cylinder, so that the impact force applied to the floating anti-collision structure is gradually consumed, the impact effect of wind load and wave load on the foundation pile is effectively reduced, the impact damage caused by the impact of ship and marine organisms on the wind turbine foundation is weakened, the safety requirements of offshore foundation piles in different sea areas can be met, and the safety and reliability are good.
Drawings
FIG. 1 is a longitudinal cross-sectional view of an offshore wind turbine based floating collision avoidance structure according to an embodiment of the present invention;
FIG. 2 is a transverse cross-sectional view of the outboard buoy of an embodiment of the present invention;
description of reference numerals:
1. a tower;
2. a floating frame;
3. an inner buoy; 31. an installation port;
4. an outer buoy; 41. a barrel body; 411. a first annular assembly port; 412. a first endless track; 413. a first rotating sleeve; 414. a first rotary piston; 415. a first channel; 416. a first lock hole; 42. an annular energy absorption sleeve; 421. a second annular assembly port; 422. a second endless track; 423. a second rotating sleeve; 424. a second rotary piston; 425. a second channel; 426. a second lock hole;
5. anticollision backplate.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 2, an offshore wind turbine foundation floating anti-collision structure includes a tower and a floating shock absorption assembly disposed around the tower;
the floating shock absorption assembly comprises a floating frame, an inner buoy and an outer buoy, the inner buoy is arranged in the middle of the floating frame, the middle of the inner buoy is provided with a mounting hole for the tower frame to pass through, and the inner cavity of the inner buoy is filled with air;
more than two groups of outer floating barrels are arranged around the inner floating barrel at the edge of the floating frame, and the outer floating barrels sequentially comprise barrel bodies and more than two annular energy absorption sleeves from inside to outside;
the cylinder body is fixedly connected with the floating frame, a damping medium is filled in an inner cavity of the cylinder body, a first annular assembly opening is formed in the circumferential outer wall of the cylinder body, a first annular rail is arranged at the position, located at the first annular assembly opening, of the cylinder body, a first rotating sleeve is rotatably arranged on the first annular rail, the first rotating sleeve is in interference fit with the first annular assembly opening, more than three first rotating pistons extending into the inner cavity of the cylinder body are arranged on the circumferential inner wall of the first rotating sleeve, the first rotating pistons are in interference fit with the inner wall of the cylinder body, a first channel is formed in each first rotating piston, and a first lock hole is formed in the circumferential outer wall of each first rotating sleeve;
the inner cavity of the annular energy-absorbing sleeve is filled with a damping medium, the circumferential inner wall of the annular energy-absorbing sleeve is locked with the first lock hole, a second annular assembling opening is formed in the circumferential outer wall of the annular energy absorption sleeve, a second annular rail is arranged at the second annular assembling opening of the annular energy absorption sleeve, a second rotating sleeve is rotatably arranged on the second annular track and is in interference fit with the second annular assembling port, more than three second rotary pistons extending into the inner cavity of the annular energy absorption sleeve are arranged on the circumferential inner wall of the second rotary sleeve, the second rotary piston is in interference fit with the inner wall of the annular energy absorption sleeve, a second channel is arranged on the second rotary piston, and a second lock hole connected with the inner wall of the other annular energy absorption sleeve is arranged on the circumferential outer wall of a second rotary sleeve on one annular energy absorption sleeve;
the outer wall of the circumference of the annular energy-absorbing sleeve far away from the barrel body is provided with more than three anti-collision guard plates along the circumferential direction.
From the above description, the beneficial effects of the present invention are: the floating anti-collision structure comprises a tower and a floating shock absorption assembly arranged around the tower, wherein the floating shock absorption assembly comprises a floating frame, an inner buoy and an outer buoy. When in installation, the inner buoy is arranged in the middle of the floating frame, the tower frame penetrates through an installation opening in the middle of the inner buoy, the outer buoy is arranged at the edge of the floating frame and is arranged around the inner buoy, the outer buoy sequentially comprises a cylinder body and more than two annular energy absorption sleeves from inside to outside, the cylinder body is fixedly arranged on the floating frame, the first rotary sleeve penetrates through the first annular assembly opening and is arranged in an inner cavity of the cylinder body, the first rotary sleeve is in sliding fit with the first annular rail, the first rotary sleeve is in interference fit with the first annular assembly opening, the first rotary sleeve can seal the first annular assembly opening when rotating, the first rotary sleeve utilizes the first rotary piston to separate the inner cavity of the cylinder body, the first rotary piston is provided with a first passage for a damping medium to pass through, the annular energy absorption sleeves are locked with the first lock holes of the first rotary sleeve, the second rotary sleeve penetrates through the second annular assembly opening and is arranged in the inner cavity of the annular energy absorption sleeves, the second rotary sleeve is in sliding fit with the second annular track and is in interference fit with the second annular assembly opening to ensure that the second rotary sleeve can seal the second annular assembly opening when rotating, the second rotary sleeve utilizes a second rotary piston to separate an inner cavity of the annular energy absorption sleeve, a second channel is arranged on the second rotary piston for allowing a damping medium to pass through, an anti-collision protective plate is arranged on the surface of the outer annular energy absorption sleeve, when the anti-collision protective plate is impacted during use, impact force enables the second rotary sleeve of the outer annular energy absorption sleeve to rotate, the second rotary sleeve drives the second rotary piston to compress the damping medium in the annular energy absorption sleeve, the inner annular energy absorption sleeve also rotates, the rotary piston of the inner layer is also driven to compress the damping medium in the inner annular energy absorption sleeve, and the inner annular energy absorption sleeve finally drives the first rotary sleeve to drive the first rotary piston to compress the damping medium in the barrel body, the floating anti-collision structure of the offshore wind turbine foundation provided by the invention utilizes the matching of more than two annular energy-absorbing sleeves and the inner cylinder, so that the impact force applied to the floating anti-collision structure is gradually consumed, the impact effect of wind load and wave load on the foundation pile is effectively reduced, the impact damage caused by the impact of ship and marine organisms on the wind turbine foundation is weakened, the safety requirements of offshore foundation piles in different sea areas can be met, and the safety and reliability are good.
Further, the floating frame comprises a carbon fiber perforated skeleton and a plastic sleeve wrapped outside the carbon fiber perforated skeleton.
According to the description, the energy absorption and impact resistance effects of the floating frame can be effectively improved by utilizing the matching of the carbon fiber perforated skeleton and the plastic sleeve, and the protection capability of the floating anti-collision structure on the foundation pile is improved.
Further, the inner floating cylinder sequentially comprises more than two levels of PVC net clamping cloth layers from inside to outside.
As can be seen from the above description, the inner floating cylinder made of the PVC interlaid fabric layer has the advantages of waterproof sealing and good impact resistance.
Furthermore, the cylinder body sequentially comprises a corrugated steel plate, a plastic sleeve wrapping the corrugated steel plate and a DLC coating arranged on the surface of the plastic sleeve from inside to outside.
According to the description, the strength of the cylinder body is improved by the corrugated steel plate, the anti-collision and impact-resistant performance of the cylinder body is improved by the plastic sleeve, and the anti-corrosion and wear-resistant performance of the cylinder body is improved by the DLC coating.
Furthermore, the aperture of the first channel is smaller than that of the second channel, the volume of the inner cavity of the annular energy absorption sleeve close to the cylinder body is larger than that of the inner cavity of the annular energy absorption sleeve far away from the cylinder body, and the aperture of the second channel of the annular energy absorption sleeve close to the cylinder body is smaller than that of the second channel of the annular energy absorption sleeve far away from the cylinder body.
As can be seen from the above description, the purpose of the design is to gradually increase the damping force generated by the rotation between the annular energy-absorbing sleeves and the barrel body, so as to achieve the effect of buffering and shock absorption.
Further, a labyrinth seal is arranged between the first rotating sleeve and the first annular assembling port and between the second rotating sleeve and the second annular assembling port.
As can be seen from the above description, the labyrinth seal helps to improve the durable sealing of the assembled structure.
Furthermore, a boarding pedal is arranged on the floating frame.
As can be seen from the above description, the boarding step functions to facilitate boarding of the person.
Further, the damping medium is damping oil.
As can be seen from the above description, the damping medium adopts damping oil to improve the damping capacity of the damping assembly on the one hand and to provide certain buoyancy on the other hand.
Furthermore, the anti-collision guard plate is provided with honeycomb-shaped meshes.
According to the description, the energy absorption and flow guide effects of the anti-collision guard plate are further improved by the honeycomb-shaped meshes.
Furthermore, the included angle range of the diameter of the anti-collision protection plate and the diameter of the annular energy absorption sleeve is 45-55 degrees.
As can be seen from the above description, the included angle between the diameters of the anti-collision guard plate and the annular energy-absorbing sleeve is designed to be 45-55 degrees, so that the use of the shock-absorbing assembly under different impact conditions can be met.
Referring to fig. 1 to fig. 2, a first embodiment of the present invention is: a floating anti-collision structure of an offshore wind turbine foundation comprises a tower frame 1 and a floating shock absorption assembly arranged around the tower frame 1;
the floating shock absorption assembly comprises a floating frame 2, an inner buoy 3 and an outer buoy 4, the inner buoy 3 is arranged in the middle of the floating frame 2, a mounting opening 31 for the tower frame 1 to pass through is formed in the middle of the inner buoy 3, and the inner cavity of the inner buoy 3 is filled with air;
more than two groups of outer buoys 4 are arranged around the inner buoy 3 at the edge of the floating frame 2, and the outer buoys 4 sequentially comprise a cylinder body 41 and more than two annular energy absorption sleeves 42 from inside to outside;
the cylinder body 41 is fixedly connected with the floating frame 2, an inner cavity of the cylinder body 41 is filled with a damping medium, a first annular assembling port 411 is formed in the outer circumferential wall of the cylinder body 41, a first annular rail 412 is arranged at the position, located at the first annular assembling port 411, of the cylinder body 41, a first rotating sleeve 413 is rotatably arranged on the first annular rail 412, the first rotating sleeve 413 is in interference fit with the first annular assembling port 411, more than three first rotating pistons 414 extending into the inner cavity of the cylinder body 41 are arranged on the inner circumferential wall of the first rotating sleeve 413, the first rotating pistons 414 are in interference fit with the inner wall of the cylinder body 41, a first passage 415 is formed in the first rotating pistons 414, and a first locking hole 416 is formed in the outer circumferential wall of the first rotating sleeve 413;
the inner cavity of the annular energy absorption sleeve 42 is filled with a damping medium, the circumferential inner wall of the annular energy absorption sleeve 42 is locked with the first lock hole 416, a second annular assembling opening 421 is arranged on the circumferential outer wall of the annular energy-absorbing sleeve 42, a second annular rail 422 is arranged at the second annular assembling opening 421 of the annular energy-absorbing sleeve 42, a second rotating sleeve 423 is rotatably arranged on the second annular track 422, the second rotating sleeve 423 is in interference fit with the second annular assembling hole 421, the inner circumferential wall of the second rotary sleeve 423 is provided with more than three second rotary pistons 424 extending into the inner cavity of the annular energy-absorbing sleeve 42, the second rotary piston 424 is in interference fit with the inner wall of the annular energy-absorbing sleeve 42, a second channel 425 is formed in the second rotary piston 424, and a second lock hole 426 connected with the inner wall of the other annular energy-absorbing sleeve 42 is formed in the circumferential outer wall of a second rotary sleeve 423 on one annular energy-absorbing sleeve 42;
the outer circumferential wall of the annular energy absorption sleeve 42 far away from the barrel body 41 is provided with more than three anti-collision guard plates 5 along the circumferential direction.
The floating frame 2 comprises a carbon fiber perforated skeleton and a plastic sleeve wrapped outside the carbon fiber perforated skeleton. The inner buoy 3 sequentially comprises more than two levels of PVC net clamping cloth layers from inside to outside. The cylinder body 41 sequentially comprises a corrugated steel plate, a plastic sleeve wrapping the corrugated steel plate and a DLC coating arranged on the surface of the plastic sleeve from inside to outside. The aperture of the first passage 415 is smaller than that of the second passage 425, the cavity volume of the annular energy absorption sleeve 42 close to the cylinder body 41 is larger than that of the annular energy absorption sleeve 42 far away from the cylinder body 41, and the aperture of the second passage 425 of the annular energy absorption sleeve 42 close to the cylinder body 41 is smaller than that of the second passage 425 of the annular energy absorption sleeve 42 far away from the cylinder body 41. The first rotating sleeve 413 and the first annular assembling port 411 and the second rotating sleeve 423 and the second annular assembling port 421 are sealed by labyrinth seals. The floating frame 2 is provided with a boarding pedal. The shock absorption medium is shock absorption oil. The anti-collision guard plate 5 is provided with honeycomb-shaped meshes. The included angle range of the diameter of the anti-collision guard plate 5 and the diameter of the annular energy absorption sleeve 42 is 45-55 degrees.
In summary, the present invention provides an offshore wind turbine foundation floating anti-collision structure, which includes a tower frame and a floating shock absorption assembly disposed around the tower frame, wherein the floating shock absorption assembly includes a floating frame, an inner buoy and an outer buoy. When in installation, the inner buoy is arranged in the middle of the floating frame, the tower frame penetrates through an installation opening in the middle of the inner buoy, the outer buoy is arranged at the edge of the floating frame and is arranged around the inner buoy, the outer buoy sequentially comprises a cylinder body and more than two annular energy absorption sleeves from inside to outside, the cylinder body is fixedly arranged on the floating frame, the first rotary sleeve penetrates through the first annular assembly opening and is arranged in an inner cavity of the cylinder body, the first rotary sleeve is in sliding fit with the first annular rail, the first rotary sleeve is in interference fit with the first annular assembly opening, the first rotary sleeve can seal the first annular assembly opening when rotating, the first rotary sleeve utilizes the first rotary piston to separate the inner cavity of the cylinder body, the first rotary piston is provided with a first passage for a damping medium to pass through, the annular energy absorption sleeves are locked with the first lock holes of the first rotary sleeve, the second rotary sleeve penetrates through the second annular assembly opening and is arranged in the inner cavity of the annular energy absorption sleeves, the second rotary sleeve is in sliding fit with the second annular track and is in interference fit with the second annular assembly opening to ensure that the second rotary sleeve can seal the second annular assembly opening when rotating, the second rotary sleeve utilizes a second rotary piston to separate an inner cavity of the annular energy absorption sleeve, a second channel is arranged on the second rotary piston for allowing a damping medium to pass through, an anti-collision protective plate is arranged on the surface of the outer annular energy absorption sleeve, when the anti-collision protective plate is impacted during use, impact force enables the second rotary sleeve of the outer annular energy absorption sleeve to rotate, the second rotary sleeve drives the second rotary piston to compress the damping medium in the annular energy absorption sleeve, the inner annular energy absorption sleeve also rotates, the rotary piston of the inner layer is also driven to compress the damping medium in the inner annular energy absorption sleeve, and the inner annular energy absorption sleeve finally drives the first rotary sleeve to drive the first rotary piston to compress the damping medium in the barrel body, the floating anti-collision structure of the offshore wind turbine foundation provided by the invention utilizes the matching of more than two annular energy-absorbing sleeves and the inner cylinder, so that the impact force applied to the floating anti-collision structure is gradually consumed, the impact effect of wind load and wave load on the foundation pile is effectively reduced, the impact damage caused by the impact of ship and marine organisms on the wind turbine foundation is weakened, the safety requirements of offshore foundation piles in different sea areas can be met, and the safety and reliability are good.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. The floating anti-collision structure of the offshore wind turbine foundation is characterized by comprising a tower and a floating shock absorption assembly arranged around the tower;
the floating shock absorption assembly comprises a floating frame, an inner buoy and an outer buoy, the inner buoy is arranged in the middle of the floating frame, the middle of the inner buoy is provided with a mounting hole for the tower frame to pass through, and the inner cavity of the inner buoy is filled with air;
more than two groups of outer floating barrels are arranged around the inner floating barrel at the edge of the floating frame, and the outer floating barrels sequentially comprise barrel bodies and more than two annular energy absorption sleeves from inside to outside;
the cylinder body is fixedly connected with the floating frame, a damping medium is filled in an inner cavity of the cylinder body, a first annular assembly opening is formed in the circumferential outer wall of the cylinder body, a first annular rail is arranged at the position, located at the first annular assembly opening, of the cylinder body, a first rotating sleeve is rotatably arranged on the first annular rail, the first rotating sleeve is in interference fit with the first annular assembly opening, more than three first rotating pistons extending into the inner cavity of the cylinder body are arranged on the circumferential inner wall of the first rotating sleeve, the first rotating pistons are in interference fit with the inner wall of the cylinder body, a first channel is formed in each first rotating piston, and a first lock hole is formed in the circumferential outer wall of each first rotating sleeve;
the inner cavity of the annular energy-absorbing sleeve is filled with a damping medium, the circumferential inner wall of the annular energy-absorbing sleeve is locked with the first lock hole, a second annular assembling opening is formed in the circumferential outer wall of the annular energy absorption sleeve, a second annular rail is arranged at the second annular assembling opening of the annular energy absorption sleeve, a second rotating sleeve is rotatably arranged on the second annular track and is in interference fit with the second annular assembling port, more than three second rotary pistons extending into the inner cavity of the annular energy absorption sleeve are arranged on the circumferential inner wall of the second rotary sleeve, the second rotary piston is in interference fit with the inner wall of the annular energy absorption sleeve, a second channel is arranged on the second rotary piston, and a second lock hole connected with the inner wall of the other annular energy absorption sleeve is arranged on the circumferential outer wall of a second rotary sleeve on one annular energy absorption sleeve;
more than three anti-collision guard plates are arranged on the circumferential outer wall of the annular energy absorption sleeve far away from the barrel body along the circumferential direction;
the aperture of the first channel is smaller than that of the second channel, the volume of the inner cavity of the annular energy absorption sleeve close to the cylinder body is larger than that of the inner cavity of the annular energy absorption sleeve far away from the cylinder body, and the aperture of the second channel of the annular energy absorption sleeve close to the cylinder body is smaller than that of the second channel of the annular energy absorption sleeve far away from the cylinder body.
2. The offshore wind turbine foundation floating anti-collision structure of claim 1, wherein the floating frame comprises a carbon fiber perforated skeleton and a plastic sleeve wrapped outside the carbon fiber perforated skeleton.
3. The offshore wind turbine foundation floating anti-collision structure of claim 1, wherein the inner buoy comprises more than two PVC mesh fabric layers from inside to outside in sequence.
4. The offshore wind turbine foundation floating anti-collision structure of claim 1, wherein the barrel comprises, in order from inside to outside, a corrugated steel plate, a plastic sleeve wrapped outside the corrugated steel plate, and a DLC coating layer disposed on the surface of the plastic sleeve.
5. The offshore wind turbine foundation floating anti-collision structure of claim 1, wherein a labyrinth seal is provided between the first rotating sleeve and the first annular mounting port and between the second rotating sleeve and the second annular mounting port.
6. The offshore wind turbine foundation floating anti-collision structure according to claim 1, wherein the floating frame is provided with boarding pedals.
7. The offshore wind turbine foundation floating crash structure of claim 1, wherein the shock absorbing medium is shock absorbing oil.
8. The offshore wind turbine foundation floating anti-collision structure according to claim 1, wherein the anti-collision guard plate is provided with honeycomb-shaped meshes.
9. The offshore wind turbine foundation floating anti-collision structure according to claim 1, wherein an included angle between the anti-collision guard plate and the diameter of the annular energy absorption sleeve is in a range of 45 degrees to 55 degrees.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129918.0A CN114455020B (en) | 2020-11-03 | 2020-11-03 | Offshore wind turbine foundation anti-collision method |
| CN202011207484.9A CN112339926B (en) | 2020-11-03 | 2020-11-03 | Floating anti-collision structure for offshore wind turbine foundation |
| CN202210129915.7A CN114455019B (en) | 2020-11-03 | 2020-11-03 | Safe and reliable's marine wind turbine basis floating anticollision structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207484.9A CN112339926B (en) | 2020-11-03 | 2020-11-03 | Floating anti-collision structure for offshore wind turbine foundation |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210129918.0A Division CN114455020B (en) | 2020-11-03 | 2020-11-03 | Offshore wind turbine foundation anti-collision method |
| CN202210129915.7A Division CN114455019B (en) | 2020-11-03 | 2020-11-03 | Safe and reliable's marine wind turbine basis floating anticollision structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112339926A CN112339926A (en) | 2021-02-09 |
| CN112339926B true CN112339926B (en) | 2022-01-25 |
Family
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011207484.9A Active CN112339926B (en) | 2020-11-03 | 2020-11-03 | Floating anti-collision structure for offshore wind turbine foundation |
| CN202210129915.7A Active CN114455019B (en) | 2020-11-03 | 2020-11-03 | Safe and reliable's marine wind turbine basis floating anticollision structure |
| CN202210129918.0A Active CN114455020B (en) | 2020-11-03 | 2020-11-03 | Offshore wind turbine foundation anti-collision method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101511974B1 (en) * | 2013-10-24 | 2015-04-14 | 대우조선해양 주식회사 | rotor shaft for offshore wind power generator |
| CN105839593A (en) * | 2016-05-26 | 2016-08-10 | 福建省新能海上风电研发中心有限公司 | Floating type anti-collision system of offshore wind turbine foundation and construction method of floating type anti-collision system |
| CN107140139A (en) * | 2017-05-23 | 2017-09-08 | 江苏科技大学 | A kind of composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform |
| CN108119315A (en) * | 2017-12-27 | 2018-06-05 | 浙江大学 | A kind of floating blower foundation for improving structural stability |
| CN108625343A (en) * | 2018-06-11 | 2018-10-09 | 福建省新能海上风电研发中心有限公司 | It is a kind of to limit the floating anticollision device, collision-prevention device stepped on and multiplied |
| CN108661012A (en) * | 2018-06-14 | 2018-10-16 | 福建省新能海上风电研发中心有限公司 | A kind of dual anti-collision system for offshore wind turbine foundation |
| CN109878651A (en) * | 2019-04-12 | 2019-06-14 | 福建省新能海上风电研发中心有限公司 | A kind of offshore wind turbine foundation classification floating anti-collision facility |
| KR102085864B1 (en) * | 2019-09-16 | 2020-03-06 | 주식회사 오션스페이스 | Offshore floating structure for generating solar photovoltaic energy |
| CN111549814A (en) * | 2020-04-16 | 2020-08-18 | 重庆大学 | Wave-dissipating porous anti-collision device for offshore wind power tower foundation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490876B (en) * | 2011-12-23 | 2014-04-02 | 新疆金风科技股份有限公司 | Floating offshore wind turbine movement suppression device and floating base for offshore wind turbine |
| JP6108445B2 (en) * | 2013-03-13 | 2017-04-05 | 戸田建設株式会社 | Floating offshore wind power generation facility |
| KR20150046509A (en) * | 2013-10-22 | 2015-04-30 | 대우조선해양 주식회사 | Department Fluid Motion Reduction Device of Marine Wind Generator |
| US10716296B2 (en) * | 2017-11-15 | 2020-07-21 | Graduate School At Shenzhen, Tsinghua University | Floating offshore wind turbine integrated with steel fish farming cage |
| CN109838351B (en) * | 2017-11-24 | 2020-09-11 | 黄灿光 | Floating type automatic wind-to-water wind power generation equipment with multiple wind power generators |
| CN109774877B (en) * | 2019-03-12 | 2024-01-23 | 上海交通大学 | High-stability semi-submersible type fan foundation and design method thereof |
| CN211596666U (en) * | 2019-12-02 | 2020-09-29 | 阳光学院 | Offshore wind power spud leg floating protection architecture |
-
2020
- 2020-11-03 CN CN202011207484.9A patent/CN112339926B/en active Active
- 2020-11-03 CN CN202210129915.7A patent/CN114455019B/en active Active
- 2020-11-03 CN CN202210129918.0A patent/CN114455020B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101511974B1 (en) * | 2013-10-24 | 2015-04-14 | 대우조선해양 주식회사 | rotor shaft for offshore wind power generator |
| CN105839593A (en) * | 2016-05-26 | 2016-08-10 | 福建省新能海上风电研发中心有限公司 | Floating type anti-collision system of offshore wind turbine foundation and construction method of floating type anti-collision system |
| CN107140139A (en) * | 2017-05-23 | 2017-09-08 | 江苏科技大学 | A kind of composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform |
| CN108119315A (en) * | 2017-12-27 | 2018-06-05 | 浙江大学 | A kind of floating blower foundation for improving structural stability |
| CN108625343A (en) * | 2018-06-11 | 2018-10-09 | 福建省新能海上风电研发中心有限公司 | It is a kind of to limit the floating anticollision device, collision-prevention device stepped on and multiplied |
| CN108661012A (en) * | 2018-06-14 | 2018-10-16 | 福建省新能海上风电研发中心有限公司 | A kind of dual anti-collision system for offshore wind turbine foundation |
| CN109878651A (en) * | 2019-04-12 | 2019-06-14 | 福建省新能海上风电研发中心有限公司 | A kind of offshore wind turbine foundation classification floating anti-collision facility |
| KR102085864B1 (en) * | 2019-09-16 | 2020-03-06 | 주식회사 오션스페이스 | Offshore floating structure for generating solar photovoltaic energy |
| CN111549814A (en) * | 2020-04-16 | 2020-08-18 | 重庆大学 | Wave-dissipating porous anti-collision device for offshore wind power tower foundation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112339926A (en) | 2021-02-09 |
| CN114455020B (en) | 2022-10-28 |
| CN114455019A (en) | 2022-05-10 |
| CN114455019B (en) | 2022-11-11 |
| CN114455020A (en) | 2022-05-10 |
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