CN114715336A - Offshore wind power cylindrical foundation transportation and installation integrated ship suitable for deep water and installation method - Google Patents
Offshore wind power cylindrical foundation transportation and installation integrated ship suitable for deep water and installation method Download PDFInfo
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- CN114715336A CN114715336A CN202210380274.2A CN202210380274A CN114715336A CN 114715336 A CN114715336 A CN 114715336A CN 202210380274 A CN202210380274 A CN 202210380274A CN 114715336 A CN114715336 A CN 114715336A
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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
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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
- B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Abstract
The invention discloses an offshore wind power cylinder type foundation transportation and installation integrated ship suitable for deep water and an installation method thereof, wherein the ship comprises: a main hull; the lifting equipment is fixed on the bow part of the main ship body and is used for assisting in lifting the cylindrical foundation; the sinking installation part is fixed at the stern part of the main ship body and is provided with a water inlet for the cylindrical foundation to move back and forth up and down; the supporting sliding assembly is fixed on the main ship body and used for bearing the cylindrical foundation and controlling the cylindrical foundation to move back and forth between an installation station and a sinking station, the installation station is correspondingly arranged above the main ship body, and the sinking station is correspondingly arranged above the water inlet; and the positioning lifting assembly is fixed on the sinking installation part and is used for positioning the ship engine point and controlling the cylinder foundation to sink to the designated position at a controllable speed through the water inlet downwards at the positioning point. The invention solves the difficult problems of transportation and installation of the deepwater cylindrical foundation, and ensures the safety and stability while the construction mode is economic and efficient.
Description
Technical Field
The invention relates to the technical field of offshore wind power construction equipment, in particular to an offshore wind power cylindrical foundation transportation and installation integrated ship suitable for deep water and an installation method.
Background
The offshore wind power development planning of China gradually changes from offshore shallow water to open sea deep water, the offshore wind power construction ship which is possessed in China at present does not have mature conditions for deep water construction, and for the sea area with the depth of more than 40m, the existing domestic construction equipment is basically blank.
With the increase of water depth and the capacity of a single machine of an offshore wind power generation unit, the size and the material consumption of a foundation are required to be increased by adopting a single pile and jacket foundation, the pile sinking and jacket installation in a deep water area has great difficulty, the barrel-shaped foundation does not need to be piled, the complex construction process is avoided, and the offshore operation period is greatly shortened, so that the barrel-shaped foundation has higher application value in the deep water sea area, but the sea condition of the deep water area is complex, the weather is severe, the construction of the barrel-shaped foundation also faces huge challenges, how to make the marine transportation safety of the barrel-shaped foundation higher, make the risk of the barrel-shaped foundation in the deep water sinking installation lower, the operability is simpler, the offshore construction time is shortened, and the construction reliability is improved, thus becoming a difficult point which needs to be solved in the offshore wind power generation industry.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an offshore wind power cylinder type foundation transportation and installation integrated ship suitable for deep water and an installation method.
In order to solve the technical problems, the invention is realized by the following technical scheme:
in one aspect, the present invention provides an offshore wind turbine foundation transportation and installation integrated ship suitable for deep water, comprising:
a main hull;
the lifting equipment is fixed on the bow part of the main ship body and is used for assisting in lifting the cylindrical foundation;
the sinking installation part is fixed at the stern part of the main ship body, and is provided with a water inlet for the cylindrical foundation to move back and forth up and down;
the supporting sliding assembly is fixed on the main ship body and used for bearing a cylindrical foundation and controlling the cylindrical foundation to move back and forth between an installation station and a sinking station, the installation station is correspondingly arranged above the main ship body, and the sinking station is correspondingly arranged above the water inlet; and
and the positioning lifting assembly is fixed on the sinking installation part and is used for positioning a ship engine point and controlling the cylinder foundation to downwards pass through the water inlet at the positioning point to sink to a specified position at a controllable speed.
Preferably, the supporting sliding assembly comprises two parallel track sliding rails fixed on the main hull platform, two bearing beams respectively connected with the two track sliding rails in a sliding manner, pulleys and a track-guided crawler arranged on the two bearing beams respectively, and the bearing beams can drive the track-guided crawler to arrive at or leave the sinking station under the action of external force.
It is further preferred that the distance between the two tracked tracks is smaller than the outer diameter of the bottom of the cylindrical foundation.
Preferably, the positioning lifting assembly comprises a plurality of positioning piles vertically arranged in the water inlet and capable of moving up and down along the height direction, a connecting structure for connecting each positioning pile with the cylindrical foundation and a control structure for controlling the connecting structure to move up and down along the height direction of the positioning piles, and an operation space for the cylindrical foundation to sink is formed between each positioning pile.
It is further preferred that the bottom of the spud adopts a pointed cone type design.
Preferably, the connecting structure comprises a skirt hoop fixed on the outer wall of the cylindrical foundation, a plurality of arc-shaped connecting rods fixed on the skirt hoop and arranged corresponding to the positioning piles, and sliding rings sleeved on the positioning piles and fixedly connected with the end parts of the arc-shaped connecting rods.
It is still further preferred, control structure include the interval arrangement in the spud pile around and with a plurality of have tooth gyro wheel, corresponding arrangement in annular tooth meshing on the spud pile have the tooth gyro wheel outside and with it the engaged arc clamp plate, connect adjacent the arc clamp plate forms closed loop construction's strong damping spring, fill with it the arc clamp plate with hydraulic oil between the slip ring, accessible hydraulic system control oil pressure makes the arc clamp plate compresses tightly there is the tooth gyro wheel, control there is the rolling speed of tooth gyro wheel on the spud pile and then control the barrel type basis speed of sinking.
Preferably, the sinking installation part is of a U-shaped structure, the open end of the sinking installation part is fixedly connected with the stern part of the main ship body and surrounds the stern part to form the water inlet, and the size of the water inlet is larger than the outer diameter of the cylindrical foundation.
Preferably, a ballast tank which can be filled with water and drained is fixed at the bottom of the main hull, and the main hull is fixedly connected with the sinking installation part through a diagonal bracing frame.
In another aspect, the present invention provides a method for installing a cylindrical foundation on deep sea by an integrated ship, including the steps of:
s1, in the whole marine transportation process, two sides of a skirt of the cylindrical foundation are placed on the track tracks, the tail parts of the track tracks are located at the tail parts of the sunken installation parts, the cylindrical foundation is fixed on the main hull platform through cables, the positioning piles ascend and are retracted, and the ballast tanks are inflated and drained;
s2, after the ship arrives at a designated machine location point, a positioning pile is placed downwards to be inserted into mud, the cylindrical foundation is conveyed to a water inlet of the sinking installation part through the tracked caterpillar and the pulley, the ballast tank is filled with water to keep the ship stable, then the sliding ring is lowered to enable the cylindrical foundation to be hooped by the cylindrical skirt hoop, the cylindrical skirt of the cylindrical skirt foundation is hung by the hoisting equipment and the cable is tensioned, and then the bearing beam drives the tracked caterpillar to integrally slide away from the sinking installation part, so that the bottom of the cylindrical foundation is suspended;
s3, controlling the sliding ring to drive the cylinder foundation to descend at a uniform speed, removing the lifting hook of the lifting equipment after the cylinder foundation enters water, and controlling the descending speed of the sliding ring through a motor so as to enable the cylinder foundation to stably sink;
and S4, after the installation of the cylindrical foundation is finished, lifting the slip ring and the cylindrical skirt hoop, pulling up the positioning pile, draining the ballast tank, and enabling the integrated ship to return to the voyage.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention solves the defects of difficult transportation, installation and construction of the deepwater cylindrical foundation, high risk and the like because a large amount of construction equipment is required in the traditional construction method. The deepwater cylindrical foundation avoids a deepwater pile driving procedure, the whole process of transporting, sinking and installing the cylindrical foundation by using the integrated ship for transporting and installing the cylindrical foundation is carried out, a large barge, a heavy floating crane and the like are not needed, the connecting procedure of transporting and installing is cancelled, the deepwater operation period of the cylindrical foundation is shortened, the deepwater sinking stability and safety of the cylindrical foundation are improved, the method special for transporting and installing the deepwater cylindrical foundation is provided, and the method has a promoting significance for the construction of wind power plants in deepwater cylindrical foundations with the depth of 30-60m in China.
Drawings
FIG. 1 is a schematic view of the integrated shipping cylinder foundation of the present invention;
FIG. 2 is a schematic structural diagram of the integrated ship sinking and mounting cylinder type foundation of the invention;
FIG. 3 is a detailed structural schematic view of the support slide assembly of the present invention;
FIG. 4 is a schematic cross-sectional elevation view of the spud in connection with a slip ring of the present invention;
fig. 5 is a schematic sectional top view of the spud and slip ring assembly of the present invention.
Reference numerals: 1. a main hull; 2. a ballast tank; 3. sinking the mounting part; 31. a water inlet; 4. a cable-stayed support frame; 5. hoisting equipment; 6. a crane base; 7. a cylindrical foundation; 8. supporting the sliding assembly; 81. a spandrel girder; 82. a pulley; 83. a track-bound crawler belt; 84. a slide rail is arranged; 9. positioning the lifting assembly; 91. positioning the pile; 92. a connecting structure; 921. a cylindrical skirt hoop; 922. an arc-shaped connecting rod; 923. a slip ring; 93. a control structure; 931. circumferential teeth; 932. a toothed roller; 933. an arc-shaped pressing plate; 934. a strong damping spring; 935. and (5) hydraulic oil.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Aiming at a series of problems in the application and construction process of the cylindrical foundation in the deep water sea area in China, the invention provides the integrated ship for transporting and installing the cylindrical foundation in the deep water sea area, which is suitable for the deep water sea wind power cylindrical foundation, can automatically complete the transportation and sinking installation work of the cylindrical foundation in the deep water area, does not need the transportation of various ships and the assistance of other large-scale equipment, greatly reduces the construction cost, shortens the operation period due to the transportation and installation integration, ensures that the cylindrical foundation has a better application prospect in the deep water sea area, can reduce the construction cost by more than 20 percent compared with the single pile foundation or the jacket foundation used in the same place, and has a promoting significance for the development and construction of the 30-60m deep water sea wind power plant in China.
As shown in fig. 1 to 3, the present invention provides an integrated ship for transporting and installing a marine wind power drum type foundation 7 suitable for deep water, the integrated ship comprising:
a main hull 1;
the hoisting equipment 5 is fixed on the bow part of the main ship body 1 and is used for assisting in hoisting the cylindrical foundation 7;
a sinking installation part 3 fixed at the stern part of the main hull 1 and provided with a water inlet 31 for the cylinder foundation 7 to move up and down;
the supporting sliding assembly 8 is fixed on the main hull 1, and is used for bearing the cylindrical foundation 7 and controlling the cylindrical foundation to move back and forth between an installation station and a sinking station, the installation station is correspondingly arranged above the main hull 1, and the sinking station is correspondingly arranged above the water inlet 31; and
and the positioning lifting assembly 9 is fixed on the sinking installation part 3 and is used for positioning the ship engine point and controlling the cylinder foundation 7 to sink to a specified position at a controllable speed through the water inlet 31 downwards at the positioning point.
Wherein, the main ship body 1 is a flat plate structure with an arc-shaped front part, and the length of the ship body is 80-100 m. The outer surface of the ballast tank 2 at the lower part of the main hull 1 is an arc-shaped curved surface so as to reduce the water flow resistance; a plurality of compartments are arranged in the ballast tank 2, and the air and water can be exhausted and filled in one or more compartments according to the ballast requirement. The hoisting equipment 5 adopts a 360-degree full-rotation crane, the crane is used for hoisting accessories and tools and locally bearing the cylindrical foundation 7, and the crane is arranged on the platform of the main ship body 1 through a crane base 6.
The supporting and sliding assembly 8 comprises two parallel track sliding rails 84 fixed on a platform of the main hull 1, two bearing beams 81 respectively connected with the two track sliding rails 84 in a sliding manner, pulleys 82 respectively arranged on the two bearing beams 81, and a track tracked crawler 83, wherein the bearing beams 81 can drive the track tracked crawler 83 to arrive at or leave the sinking station under the action of external force, the barrel-type foundation 7 can be placed on the track to slide in the front-back position, and the barrel-type foundation 7 can be moved in the required position in different construction steps through the track sliding bearing beams 81, the pulleys 82 and the track tracked crawler 83. Each slip ring is rigidly connected with the arc-shaped connecting rod, the four arc-shaped connecting rods are also rigidly connected with the cylindrical skirt hoop, the slip rings, the arc-shaped connecting rods and the cylindrical skirt hoop are of non-detachable structures, and the hoop embraces the cylindrical skirt of the foundation and limits the cylindrical foundation to slide up and down through the snap rings. The connection between the track slide, the load-bearing beam 81, the pulley 82 and the track-guided track 83 is selected conventionally, and the present invention will not be further described.
Further, the distance between the two tracked crawler belts 83 is smaller than the outer diameter of the bottom of the cylindrical foundation 7. Specifically, the distance between two of the tracked crawler belts 83 is 38m, and the bearing requirement of the cylindrical foundation 7 with the diameter of more than 40m is met.
The positioning and lifting assembly 9 includes a plurality of positioning piles 91 vertically disposed in the water inlet 31 and capable of moving up and down along the height direction, a connecting structure 92 connecting each positioning pile 91 with the cylindrical foundation 7, and a control structure 93 controlling the connecting structure 92 to move up and down along the height direction of the positioning pile 91, and an operation space for the cylindrical foundation 7 to sink is formed between each positioning pile 91. Furthermore, four corner points of the water inlet 31 are provided with 4 positioning piles 91, the bottoms of the positioning piles 91 are designed in a pointed cone shape, the length of each positioning pile 91 is 50-70 m, and the positioning piles 91 are lifted during navigation, as shown in fig. 1; the spud 91 is lowered into the mud during a sink installation, fig. 2. In a specific implementation process, the positioning pile can be controlled to be driven into mud and pulled out through a motor system, and the motor system can adopt conventional selection in the field.
Further, connection structure 92 is including being fixed in skirt staple bolt 921 on the outer wall of shell type basis 7, be fixed in a plurality of arc connecting rods 922, the cover that just correspond the arrangement with spud 91 on the skirt staple bolt 921 is located on the spud 91 and with the slip ring 923 of arc connecting rod 922 end rigid coupling.
Furthermore, the control structure 93 comprises a plurality of toothed rollers 932 arranged at intervals around the positioning pile 91 and engaged with the circumferential teeth 931 on the positioning pile 91, an arc-shaped pressing plate 933 correspondingly arranged outside the toothed rollers 932 and engaged therewith, a strong damping spring 934 connected and adjacent to the arc-shaped pressing plate 933 and forming a closed-loop structure therewith, and hydraulic oil 935 filled between the arc-shaped pressing plate 933 and the sliding ring 923, wherein the hydraulic oil can be controlled by a hydraulic system, so that the arc-shaped pressing plate 933 compresses the toothed rollers 932, and the rolling speed of the toothed rollers 932 on the positioning pile 91 is controlled, and the sinking speed of the cylindrical foundation 7 is further controlled. The hydraulic system may be any conventional choice in the art.
Control structure 93 including form in hoop tooth 931 on the spud 91 outer wall, locate inside of slip ring 923 and with there are tooth gyro wheel 932 and control of hoop tooth 931 looks adaptation there is the rolling motor (not shown in the figure) of tooth gyro wheel 932, motor system can have the rolling speed of tooth gyro wheel 932 through control and then control the speed of sinking of section of thick bamboo type basis 7 relies on the friction between the gear to bear section of thick bamboo type basis 7 weight. The connection mode between the toothed roller 932 and the motor and the spatial arrangement mode of the motor are all conventional options, and the invention is not further explained.
The sinking installation part 3 is a U-shaped structure, the open end of the sinking installation part is fixedly connected with the stern part of the main hull 1 and forms the water inlet 31 by surrounding with the stern part, and the size of the water inlet 31 is larger than the outer diameter of the cylindrical foundation 7. Specifically, the opening size of the water inlet 31 is 45m × 45 m.
Wherein, a ballast tank which can be filled with water and drained is fixed at the bottom of the main hull 1; the main hull 1 and the sinking installation part 3 are fixedly connected through an inclined pulling support frame 4, and the overall rigidity of the main hull 1 and the sinking installation part 3 is enhanced.
Based on the structure, the invention provides a method for installing a cylindrical foundation 7 on deep sea by an integrated ship, which comprises the following steps:
s1, in the whole marine transportation process, two sides of a skirt of the cylindrical foundation 7 are placed on the tracked caterpillar tracks 83, the tail parts of the tracked caterpillar tracks 83 are located at the tail parts of the sinking installation parts 3, the cylindrical foundation 7 is fixed on the main ship body 1 platform through cables, the positioning piles 91 rise and are retracted, and the ballast tanks 2 are inflated and drained;
s2, after the position of a designated machine is reached, a positioning pile 91 is lowered to be inserted into mud for 10-20 m, the cylindrical foundation 7 is conveyed to a water inlet 31 of the sinking installation part 3 through the tracked crawler 83 and a pulley 82, the ballast tank 2 is filled with water to keep the hull stable (the water filling amount is determined according to the weight of the foundation), then the sliding ring 923 is lowered to enable the skirt hoop 921 to hoop the cylindrical foundation 7 (the cylindrical foundation 7 and the skirt hoop 921 are fixed through the clamping ring), the hoisting equipment 5 hoists the skirt of the skirt foundation and tightens the cable, and then the bearing beam 81 drives the tracked crawler 83 to integrally slide away from the sinking installation part 3, so that the bottom of the cylindrical foundation 7 is suspended;
s3, controlling the sliding ring 923 to drive the cylindrical foundation 7 to descend at a uniform speed, removing a lifting hook of the lifting equipment 5 after the cylindrical foundation 7 enters water, and controlling the descending speed of the sliding ring 923 by a motor so as to enable the cylindrical foundation 7 to stably sink;
s4, after the cylindrical foundation 7 is installed, the sliding ring 923 and the cylindrical skirt hoop 921 are lifted, the positioning pile 91 is pulled up, the ballast tank 2 is drained, and the integrated ship can return.
The ship adopts a non-self-propelled unpowered type, the weight of the barrel-shaped foundation 7 in the sinking process is mainly borne by the engaging force of the toothed idler wheel 932 in the sliding ring 923 and the positioning pile 91, the crane provides a hoisting auxiliary function, and the crane hook is separated from the foundation after the barrel-shaped foundation 7 is submerged.
The foregoing is merely a preferred embodiment of the present invention, but the present invention is not limited to the specific embodiments described above. Those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for modifying, supplementing or modifying other structures for carrying out the same purposes of the present invention.
Claims (10)
1. The utility model provides an offshore wind power section of thick bamboo type basis transportation installation integration boats and ships suitable for deep water which characterized in that includes:
a main hull (1);
the hoisting equipment (5) is fixed on the bow part of the main ship body (1) and is used for assisting in hoisting the cylindrical foundation (7);
a sinking installation part (3) which is fixed at the stern part of the main ship body (1) and is provided with a water inlet (31) for the cylindrical foundation (7) to move back and forth up and down;
the supporting sliding assembly (8) is fixed on the main ship body (1) and used for bearing the cylindrical foundation (7) and controlling the cylindrical foundation to move back and forth between an installation station and a sinking station, the installation station is correspondingly arranged above the main ship body (1), and the sinking station is correspondingly arranged above the water inlet (31); and
and the positioning lifting assembly (9) is fixed on the sinking installation part (3) and is used for positioning the ship engine site and controlling the barrel-shaped foundation (7) to sink to a specified position at a controllable speed by passing through the water inlet (31) downwards at the positioning point.
2. The offshore wind turbine type foundation transportation and installation integrated ship suitable for deep water according to claim 1, characterized in that: support slip subassembly (8) including be fixed in two parallels have a slide rail (84) on main hull (1) platform, respectively with two have a slide rail (84) sliding connection's spandrel girder (81), locate two respectively pulley (82) and have track (83) on spandrel girder (81), spandrel girder (81) can drive under the exogenic action have track (83) to arrive or leave sink the station.
3. The offshore wind turbine type foundation transportation and installation integrated ship suitable for deep water according to claim 2, characterized in that: the distance between the two track tracks (83) is smaller than the outer diameter of the bottom of the cylindrical foundation (7).
4. The offshore wind turbine type foundation transportation and installation integrated ship suitable for deep water according to claim 1, characterized in that: the positioning lifting assembly (9) comprises a plurality of positioning piles (91) which are vertically arranged in the water inlet (31) and can move up and down along the height direction, a connecting structure (92) for connecting the positioning piles (91) with the cylindrical foundation (7), and a control structure (93) for controlling the connecting structure (92) to move up and down along the height direction of the positioning piles (91), wherein an operation space for the cylindrical foundation (7) to sink is formed between the positioning piles (91).
5. The offshore wind turbine type foundation transportation and installation integrated ship suitable for deep water according to claim 4, wherein: the bottom of the positioning pile (91) adopts a pointed cone type design.
6. The offshore wind turbine type foundation transportation and installation integrated ship suitable for deep water according to claim 4, wherein: connection structure (92) including being fixed in skirt staple bolt (921), being fixed in on shell type basis (7) the outer wall a plurality of arc connecting rod (922), the cover that just correspond to arranging with spud (91) on skirt staple bolt (921) is located on spud (91) and with slip ring (923) of arc connecting rod (922) tip rigid coupling.
7. The offshore wind turbine type foundation transportation and installation integrated ship suitable for deep water according to claim 6, wherein: control structure (93) including the interval arrange around spud (91) and with a plurality of have tooth gyro wheel (932) of hoop tooth (931) meshing on spud (91), correspond arrange in have tooth gyro wheel (932) outside and with it the meshing arc clamp plate (933), connect adjacent arc clamp plate (933) and with it form closed loop structure's strong damping spring (934), fill in arc clamp plate (933) with hydraulic oil (935) between slip ring (923), accessible hydraulic system control oil pressure, thereby make arc clamp plate (933) compress tightly there are tooth gyro wheel (932), control have the roll speed of tooth gyro wheel (932) on spud (91) and then control barrel foundation (7) speed of sinking.
8. The offshore wind turbine type foundation transportation and installation integrated ship suitable for deep water according to claim 1, characterized in that: the sinking installation part (3) is of a U-shaped structure, the opening end of the sinking installation part is fixedly connected with the stern part of the main ship body (1) and forms the water inlet (31) in a surrounding mode, and the size of the water inlet (31) is larger than the outer diameter of the cylindrical foundation (7).
9. The offshore wind turbine type foundation transportation and installation integrated ship suitable for deep water according to claim 1, characterized in that: the ballast ship is characterized in that a ballast cabin capable of being filled with water and drained is fixed at the bottom of the main ship body (1), and the main ship body (1) is fixedly connected with the sinking installation part (3) through a diagonal bracing frame (4).
10. A method for installing a vessel type foundation (7) at deep sea using an integrated vessel according to any of claims 1-9, characterized in that the installation method comprises the steps of:
s1, in the whole marine transportation process, two sides of a skirt of a cylindrical foundation (7) are placed on a track crawler (83), the tail part of the track crawler (83) is located at the tail part of the sinking installation part (3), the cylindrical foundation (7) is fixed on a platform of a main ship body (1) through a cable, at the moment, a positioning pile (91) rises and is retracted, and the ballast tank (2) is inflated and drained;
s2, after the position of a designated machine is reached, a positioning pile (91) is lowered to be inserted into mud, the cylindrical foundation (7) is conveyed to a water inlet (31) of the sinking installation part (3) through a tracked crawler (83) and a pulley (82), at the moment, water is filled in the ballast tank (2) to keep a ship body stable, then a sliding ring (923) is lowered to enable a cylindrical skirt hoop (921) to hoop the cylindrical foundation (7), the hoisting equipment (5) hoists the cylindrical skirt of the cylindrical skirt foundation and enables a cable to be tensioned, and then a bearing beam (81) drives the tracked crawler (83) to integrally slide away from the sinking installation part (3) so that the bottom of the cylindrical foundation (7) is suspended;
s3, controlling the sliding ring (923) to drive the cylindrical foundation (7) to descend at a uniform speed, removing a lifting hook of the lifting equipment (5) after the cylindrical foundation (7) enters water, and controlling the descending speed of the sliding ring (923) through a motor so as to enable the cylindrical foundation (7) to stably sink;
s4, after the cylindrical foundation (7) is installed, the sliding ring (923) and the cylindrical skirt hoop (921) are lifted, the positioning pile (91) is pulled up, the ballast tank (2) drains water, and the integrated ship can return.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210380274.2A CN114715336B (en) | 2022-04-08 | 2022-04-08 | Offshore wind power cylindrical foundation transportation and installation integrated ship suitable for deep water and installation method |
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| CN202210380274.2A CN114715336B (en) | 2022-04-08 | 2022-04-08 | Offshore wind power cylindrical foundation transportation and installation integrated ship suitable for deep water and installation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115092330A (en) * | 2022-07-20 | 2022-09-23 | 长江勘测规划设计研究有限责任公司 | Floating transportation fixing device with full-freedom-degree limiting function for offshore wind power barrel type foundation |
| CN115977053A (en) * | 2022-12-23 | 2023-04-18 | 天津大学 | Bottom-sitting type offshore wind power deep water auxiliary mounting platform |
| CN116142393A (en) * | 2023-02-03 | 2023-05-23 | 上海勘测设计研究院有限公司 | Installation transport ship and transport method for transporting offshore wind power complete machine |
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| CN115092330A (en) * | 2022-07-20 | 2022-09-23 | 长江勘测规划设计研究有限责任公司 | Floating transportation fixing device with full-freedom-degree limiting function for offshore wind power barrel type foundation |
| CN115092330B (en) * | 2022-07-20 | 2023-05-26 | 长江勘测规划设计研究有限责任公司 | Marine wind torch type foundation full-freedom-degree limiting floating transportation fixing device |
| CN115977053A (en) * | 2022-12-23 | 2023-04-18 | 天津大学 | Bottom-sitting type offshore wind power deep water auxiliary mounting platform |
| CN115977053B (en) * | 2022-12-23 | 2024-03-12 | 天津大学 | Bottom-supported offshore wind power deep water auxiliary installation platform |
| CN116142393A (en) * | 2023-02-03 | 2023-05-23 | 上海勘测设计研究院有限公司 | Installation transport ship and transport method for transporting offshore wind power complete machine |
| CN116142393B (en) * | 2023-02-03 | 2023-12-08 | 上海勘测设计研究院有限公司 | Installation transport ship and transport method for transporting offshore wind power complete machine |
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|---|---|
| CN114715336B (en) | 2023-05-26 |
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