CN114715336B - 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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- CN114715336B CN114715336B CN202210380274.2A CN202210380274A CN114715336B CN 114715336 B CN114715336 B CN 114715336B CN 202210380274 A CN202210380274 A CN 202210380274A CN 114715336 B CN114715336 B CN 114715336B
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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 and an installation method thereof, wherein the ship comprises the following components: a main hull; the hoisting equipment is fixed on the bow of the main hull and is used for assisting in hoisting the cylindrical foundation; a sinking installation part fixed on the stern of the main hull, and provided with a water inlet for the barrel type foundation to lift up and down for shuttling; the support sliding component is fixed on the main hull and is used for bearing the cylindrical foundation and controlling the cylindrical foundation to come and go between the installation station and the sinking station, the installation station is correspondingly arranged above the main hull, 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 site and controlling the cylindrical foundation to sink to a designated position at a controllable speed by downwards penetrating through the water inlet at the positioning point. The invention solves the problems of transportation and installation of the deepwater barrel-type foundation, and ensures safety and stability while the construction mode is economical 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 development planning of the offshore wind power in China gradually goes from offshore shallow water to open sea deep water, the offshore wind power construction ship in China at present does not have mature conditions for deep water construction, and the aspect of the domestic construction equipment is basically blank for sea areas above 40 m.
Along with the increase of the single-machine capacity of the deep water and offshore wind turbine, the size and the material consumption of the foundation are required to be increased by adopting the single pile and the jacket foundation, and the pile sinking and the jacket installation in a deep water area are extremely difficult, the cylindrical foundation does not need to pile, so that the complex construction process is avoided, and the offshore operation period is greatly shortened.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an offshore wind power cylinder type foundation transportation and installation integrated ship and an installation method suitable for deep water.
In order to solve the technical problems, the invention is realized by the following technical scheme:
in one aspect, the invention provides an offshore wind turbine cartridge foundation transportation and installation integrated vessel suitable for deep water, comprising:
a main hull;
the hoisting equipment is fixed on the bow of the main hull and is used for assisting in hoisting the cylindrical foundation;
a sinking installation part which is fixed on the stern of the main hull and is provided with a water inlet for the barrel type foundation to lift up and down for shuttling;
the support sliding component is fixed on the main hull and is used for bearing the barrel foundation and controlling the barrel foundation to move back and forth between an installation station and a sinking station, the installation station is correspondingly arranged above the main hull, 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 a ship machine site and controlling the cylindrical foundation to sink to a designated position at a controllable speed by downwards penetrating through the water inlet at the positioning point.
Preferably, the supporting and sliding assembly comprises two parallel track sliding rails fixed on the main hull platform, a spandrel girder which is respectively connected with the two track sliding rails in a sliding manner, pulleys and track tracks which are respectively arranged on the spandrel girders, and the spandrel girder can drive the track tracks to arrive at or leave the sinking station under the action of external force.
It is further preferred that the spacing between the two said track tracks is less than the outer diameter of the base of the cartridge.
Preferably, the positioning lifting assembly comprises a plurality of positioning piles which are vertically arranged in the water inlet and can move 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, wherein an operation space for sinking the cylindrical foundation is formed between each positioning pile.
It is further preferred that the bottom of the spud adopts a pointed cone design.
Further preferably, the connection structure comprises a skirt hoop fixed on the outer wall of the barrel-shaped foundation, a plurality of arc-shaped connecting rods fixed on the skirt hoop and correspondingly arranged with the positioning piles, and a sliding ring sleeved on the positioning piles and fixedly connected with the end parts of the arc-shaped connecting rods.
Still further preferably, the control structure includes a plurality of toothed rollers spaced around the positioning pile and meshed with the circumferential teeth on the positioning pile, an arc-shaped pressing plate correspondingly arranged outside the toothed rollers and meshed with the toothed rollers, a strong damping spring connected with the adjacent arc-shaped pressing plate and forming a closed loop structure with the arc-shaped pressing plate, and hydraulic oil filled between the arc-shaped pressing plate and the sliding ring, wherein the hydraulic oil can be controlled by a hydraulic system, so that the arc-shaped pressing plate compresses the toothed rollers, and the rolling speed of the toothed rollers on the positioning pile is controlled to further control the sinking speed of the barrel-shaped foundation.
Preferably, the sinking installation part is of a U-shaped structure, the opening end of the sinking installation part is fixedly connected with the stern of the main ship body and surrounds the stern to form the water inlet, and the size of the water inlet is larger than the outer diameter of the barrel-type foundation.
Preferably, a ballast tank capable of filling water and draining water 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 of installing a cylindrical foundation of an integrated vessel on a deep sea, the installation method comprising the steps of:
s1, in the whole marine transportation process, two sides of a cylinder skirt of a cylinder foundation are placed on a track with a track, the tail part of the track with the track is positioned at the tail part of a sinking installation part, the cylinder foundation is fixed on a main hull platform through a cable, and a positioning pile ascends and is retracted at the moment, and the ballast tank is inflated and drained;
s2, after reaching a specified machine site, lowering a positioning pile to enable the positioning pile to be inserted into mud, conveying the cylindrical foundation to a water inlet of a sinking installation part through a track crawler belt and a pulley, filling water into a ballast tank to keep a ship body stable at the moment, then lowering a sliding ring to enable a skirt hoop to clamp the cylindrical foundation, lifting equipment to hang a skirt of the skirt foundation and enable a cable to be tensioned, and then enabling a bearing beam to integrally slide away from the sinking installation part with the track crawler belt to enable the bottom of the cylindrical foundation to be suspended;
s3, controlling the sliding ring to uniformly speed to drive the cylindrical foundation to descend, removing the lifting hook of the lifting equipment after the cylindrical foundation is immersed in water, and controlling the descending speed of the sliding ring through the motor so as to enable the cylindrical foundation to stably descend;
and S4, after the cylindrical foundation is installed, lifting the sliding ring and the cylindrical skirt anchor ear, pulling up the positioning pile, draining the ballast tank, and returning the integrated ship.
Compared with the prior art, the invention has the following advantages:
the method solves the defects of difficult transportation, installation and construction of the deep water barrel type foundation, large amount of construction equipment required by the traditional construction method, high risk and the like. The deep water barrel type foundation avoids the deep water piling process, utilizes the barrel type foundation transportation and installation integrated ship to carry out the whole transportation and sinking installation process of the barrel type foundation, does not need a large barge, a heavy floating crane and the like, omits the connection process of transportation and installation, shortens the deep water operation period of the barrel type foundation, improves the stability and safety of the deep water sinking of the barrel type foundation, provides a method special for the transportation and installation of the deep water barrel type foundation, and has a pushing significance for the construction of wind power plants in 30-60m deep water areas in China.
Drawings
FIG. 1 is a schematic view of the structure of the integrated ship transportation cylinder foundation of the present invention;
FIG. 2 is a schematic view of the structure of the integrated vessel of the present invention when the vessel is sinking to install a barrel foundation;
FIG. 3 is a detailed schematic view of the support slide assembly of the present invention;
FIG. 4 is a schematic view of a cross-sectional elevation of a connecting stud and slip ring of the present invention;
fig. 5 is a schematic top view of a connecting section of a positioning pile and a sliding ring according to the present invention.
Reference numerals: 1. a main hull; 2. a ballast tank; 3. a sinking installation part; 31. a water inlet; 4. a diagonal bracing frame; 5. hoisting equipment; 6. a crane base; 7. a barrel-type foundation; 8. supporting the sliding assembly; 81. a spandrel girder; 82. a pulley; 83. a track-on track; 84. a track slide rail; 9. positioning the lifting assembly; 91. positioning piles; 92. a connection structure; 921. a cylinder skirt hoop; 922. an arc-shaped connecting rod; 923. a slip ring; 93. a control structure; 931. circumferential teeth; 932. toothed rollers; 933. an arc-shaped pressing plate; 934. a strong damping spring; 935. hydraulic oil.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, preferred embodiments of the present invention will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is 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 sea area of China, the invention provides the offshore wind power cylindrical foundation transportation and installation integrated ship suitable for deep water, can autonomously complete transportation and sinking installation work of the cylindrical foundation in the deep water area, does not need the assistance of various ships for transportation and other large-scale equipment, greatly reduces the construction cost, shortens the operation period of the transportation and installation integrated ship, ensures that the cylindrical foundation has better application prospect in the deep 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 promotion significance for the development and construction of the 30-60m deep water offshore wind power plant in China.
As shown in fig. 1 to 3, the present invention provides an offshore wind power cartridge foundation 7 transportation and installation integrated vessel suitable for deep water, the integrated vessel comprising:
a main hull 1;
a lifting device 5 fixed to the bow of the main hull 1 for assisting in lifting the bucket foundation 7;
a sinking installation part 3 fixed on the stern of the main hull 1, and provided with a water inlet 31 for the barrel foundation 7 to lift up and down;
the supporting sliding component 8 is fixed on the main hull 1 and is used for bearing the cylindrical foundation 7 and controlling the cylindrical foundation 7 to go 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 a positioning lifting assembly 9 which is fixed on the sinking installation part 3 and is used for positioning a ship machine site and controlling the cylindrical foundation 7 to sink to a designated position at a controllable speed by downwards penetrating through the water inlet 31 at the positioning point.
Wherein the main hull 1 is of a flat plate structure with an arc front part, and the length of the hull is 80-100m. 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 water flow resistance; the ballast tank 2 is internally provided with a plurality of compartments, and the single compartment or the plurality of compartments can be exhausted and filled with water according to the ballast requirement. The lifting equipment 5 adopts a 360-degree full-rotation crane which is used for lifting accessories and tools and locally bearing a cylindrical foundation 7, and the crane is arranged on a platform of the main hull 1 through a crane base 6.
The supporting and sliding assembly 8 comprises two parallel track sliding rails 84 fixed on the platform of the main hull 1, a spandrel girder 81 which is respectively connected with the two track sliding rails 84 in a sliding manner, pulleys 82 and a track crawler 83 which are respectively arranged on the spandrel girder 81, wherein the spandrel girder 81 can drive the track crawler 83 to arrive at or leave from the sinking station under the action of external force, the barrel-type foundation 7 can be placed on the crawler to realize the sliding of the front and back positions, and the movement of the required position of the barrel-type foundation 7 in different construction steps can be realized through the track sliding spandrel girder 81, the pulleys 82 and the track crawler 83. Each sliding ring is respectively and rigidly connected with the corresponding arc-shaped connecting rod, the four arc-shaped connecting rods are also rigidly connected with the corresponding cylindrical skirt hoops, the sliding rings, the arc-shaped connecting rods and the cylindrical skirt hoops are of non-detachable structures, and the hoops hold the basic cylindrical skirt and limit the cylindrical foundation to slide up and down through the clamping rings. The connection modes among the track rails, the spandrel girder 81, the pulleys 82 and the track rails 83 are selected conventionally, and the present invention will not be further described.
Further, the distance between the two tracked tracks 83 is smaller than the outer diameter of the bottom of the cylindrical foundation 7. Specifically, the distance between the two tracked tracks 83 is 38m, and the load-bearing requirement of the cylindrical foundation 7 with the diameter of more than 40m is met.
The positioning lifting assembly 9 comprises a plurality of positioning piles 91 vertically arranged in the water inlet 31 and capable of moving up and down along the height direction, a connecting structure 92 for connecting each positioning pile 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 sinking the cylindrical foundation 7 is formed between the positioning piles 91. Further, the four corner points of the water inlet 31 are provided with 4 positioning piles 91, the bottom of each positioning pile 91 adopts a pointed cone design, the length of each positioning pile 91 is 50-70 m, and the positioning piles 91 are lifted when in navigation, as shown in fig. 1; the spud 91 is lowered into the mud during the sink installation, as shown in fig. 2. In a specific implementation process, the mud entering and the mud extracting of the positioning pile can be controlled through a motor system, and the motor system is selected conventionally in the field.
Further, the connection structure 92 includes a skirt hoop 921 fixed on the outer wall of the barrel foundation 7, a plurality of arc connecting rods 922 fixed on the skirt hoop 921 and correspondingly arranged with the positioning piles 91, and a sliding ring 923 sleeved on the positioning piles 91 and fixedly connected with the end parts of the arc connecting rods 922.
Still further, the control structure 93 includes a plurality of toothed rollers 932 spaced around the spud 91 and engaged with the circumferential teeth 931 on the spud 91, an arc-shaped pressing plate 933 correspondingly disposed outside the toothed rollers 932 and engaged therewith, a strong damping spring 934 connected to the adjacent arc-shaped pressing plate 933 and forming a closed loop structure with the arc-shaped pressing plate 933, and hydraulic oil 935 filled between the arc-shaped pressing plate 933 and the sliding ring 923, wherein the hydraulic oil pressure can be controlled by a hydraulic system, so that the arc-shaped pressing plate 933 presses the toothed rollers 932, and the rolling speed of the toothed rollers 932 on the spud 91 is controlled to further control the sinking speed of the cylindrical foundation 7. The hydraulic system may be selected as is conventional in the art.
The control structure 93 comprises a circumferential tooth 931 formed on the outer wall of the positioning pile 91, a toothed roller 932 arranged inside the sliding ring 923 and adapted to the circumferential tooth 931, and a motor (not shown in the figure) for controlling the rolling of the toothed roller 932, wherein the motor system is capable of controlling the sinking speed of the cylindrical foundation 7 by controlling the rolling speed of the toothed roller 932 and bearing the weight of the cylindrical foundation 7 by means of inter-gear friction. The connection between the toothed roller 932 and the motor and the spatial arrangement of the motor are all selected conventionally, and the present invention is not further described.
The sinking installation part 3 is in a U-shaped structure, the opening end of the sinking installation part is fixedly connected with the stern of the main hull 1 and surrounds the stern to form the water inlet 31, and the size of the water inlet 31 is larger than the outer diameter of the barrel foundation 7. Specifically, the opening size of the water inlet 31 is 45m×45m.
Wherein, the bottom of the main hull 1 is fixed with a ballast tank which can be filled with water and discharged with water; the main hull 1 is fixedly connected with the sinking installation part 3 through a diagonal bracing frame 4, so that the integral rigidity of the main hull 1 and the sinking installation part 3 is enhanced.
Based on the above structure, the present invention provides a method for installing a cylindrical foundation 7 of an integrated vessel on a deep sea, the installation method comprising the steps of:
s1, in the whole marine transportation process, two sides of a barrel skirt of a barrel foundation 7 are placed on a rail track 83, at the moment, the tail part of the rail track 83 is positioned at the tail part of a sinking installation part 3, the barrel foundation 7 is fixed on a platform of a main ship body 1 through a cable, at the moment, a positioning pile 91 is lifted up and retracted, and the ballast tank 2 is inflated and drained;
s2, after reaching a specified machine site, lowering a positioning pile 91 to enable the positioning pile to be inserted into mud for 10-20 m, conveying a cylindrical foundation 7 to a water inlet 31 of a sinking installation part 3 through a track 83 and a pulley 82, filling water in a ballast tank 2 to keep a ship body stable (the water filling amount is determined according to the basis weight), then lowering a sliding ring 923 to enable a cylindrical skirt hoop 921 to clamp the cylindrical foundation 7 (the cylindrical foundation 7 and the cylindrical skirt hoop 921 are fixed through the clamping ring), hanging a cylindrical skirt of the cylindrical skirt foundation by a lifting device 5 and tensioning a cable, and enabling a bearing beam 81 to integrally slide away from the sinking installation part 3 with the track 83, so that the bottom of the cylindrical foundation 7 is suspended;
s3, controlling the sliding ring 923 to uniformly drive the cylindrical foundation 7 to descend, removing the lifting hook of the lifting equipment 5 after the cylindrical foundation 7 is filled with water, and controlling the descending speed of the sliding ring 923 through a motor so as to enable the cylindrical foundation 7 to stably descend;
and S4, after the cylindrical foundation 7 is installed, the sliding ring 923 and the cylindrical skirt anchor ear 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-propulsion unpowered type, the weight of the cylindrical foundation 7 in the sinking process is mainly borne by the engaging force of the toothed roller 932 in the sliding ring 923 and the positioning pile 91, the crane provides a lifting auxiliary function, and the crane hook is separated from the foundation after the cylindrical foundation 7 is immersed in water.
The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above-described specific embodiment. Modifications, additions, or substitutions are possible, without departing from the scope of the invention as disclosed in the accompanying claims.
Claims (7)
1. Offshore wind power cylinder type foundation transportation and installation integrated ship suitable for deep water, which is characterized by comprising:
a main hull (1);
the hoisting equipment (5) is fixed on the bow of the main hull (1) and is used for assisting in hoisting a cylindrical foundation (7);
a sinking installation part (3) fixed on the stern of the main hull (1), and provided with a water inlet (31) for the up-and-down lifting and shuttling of the barrel-shaped foundation (7);
the support sliding component (8) is fixed on the main hull (1) and is used for bearing the cylindrical foundation (7) and controlling the cylindrical foundation to go 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
the positioning lifting assembly (9) is fixed on the sinking installation part (3) and is used for positioning a ship machine site and controlling the cylindrical foundation (7) to sink to a designated position at a controllable speed by penetrating through the water inlet (31) downwards at the machine site;
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 each positioning pile (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 each positioning pile (91);
the connecting structure (92) comprises a barrel skirt hoop (921) fixed on the outer wall of the barrel foundation (7), a plurality of arc-shaped connecting rods (922) fixed on the barrel skirt hoop (921) and arranged corresponding to the positioning piles (91), and sliding rings (923) sleeved on the positioning piles (91) and fixedly connected with the end parts of the arc-shaped connecting rods (922);
the control structure (93) comprises a plurality of toothed rollers (932) which are arranged at intervals around the positioning pile (91) and meshed with annular teeth (931) on the positioning pile (91), arc-shaped pressing plates (933) which are correspondingly arranged at the outer sides of the toothed rollers (932) and meshed with the toothed rollers, strong damping springs (934) which are connected with the adjacent arc-shaped pressing plates (933) and form a closed-loop structure with the arc-shaped pressing plates, hydraulic oil (935) filled between the arc-shaped pressing plates (933) and the sliding rings (923), and the hydraulic oil pressure can be controlled through a hydraulic system, so that the arc-shaped pressing plates (933) compress the toothed rollers (932) to control the rolling speed of the toothed rollers (932) on the positioning pile (91) and further control the sinking speed of the cylindrical foundation (7).
2. The offshore wind power cylinder type foundation transportation and installation integrated ship suitable for deep water according to claim 1, wherein: the support sliding assembly (8) comprises two parallel track sliding rails (84), bearing beams (81) which are respectively connected with the two track sliding rails (84) in a sliding mode, pulleys (82) and track tracks (83) which are respectively arranged on the two bearing beams (81), and the bearing beams (81) can drive the track tracks (83) to arrive at or leave from the sinking station under the action of external force.
3. The offshore wind power cylinder type foundation transportation and installation integrated ship suitable for deep water according to claim 2, wherein: the distance between the two tracked tracks (83) is smaller than the outer diameter of the bottom of the cylindrical foundation (7).
4. The offshore wind power cylinder type foundation transportation and installation integrated ship suitable for deep water according to claim 1, wherein: the bottom of the positioning pile (91) adopts a pointed cone design.
5. The offshore wind power cylinder type foundation transportation and installation integrated ship suitable for deep water according to claim 1, wherein: 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 of the main ship body (1) and surrounds the stern to form the water inlet (31), and the size of the water inlet (31) is larger than the outer diameter of the barrel-shaped foundation (7).
6. The offshore wind power cylinder type foundation transportation and installation integrated ship suitable for deep water according to claim 1, wherein: the bottom of the main hull (1) is fixedly provided with a ballast tank capable of filling water and draining water, and the main hull (1) is fixedly connected with the sinking installation part (3) through a diagonal bracing support frame (4).
7. A method of installing a cartridge foundation on a deep sea using an integrated vessel according to any one of claims 1-6, the method comprising the steps of:
s1, in the whole marine transportation process, the two sides of a barrel skirt of a barrel-shaped foundation (7) are placed on a track-shaped crawler belt (83), the tail part of the track-shaped crawler belt (83) is positioned at the tail part of a sinking installation part (3) at the moment, the barrel-shaped foundation (7) is fixed on a platform of a main hull (1) through a cable, a positioning pile (91) is lifted and retracted at the moment, and the ballast tank (2) is inflated and drained;
s2, after reaching a specified machine site, lowering a positioning pile (91) to enable the positioning pile to be inserted into mud, conveying a cylindrical foundation (7) to a water inlet (31) of a sinking installation part (3) through a track (83) and a pulley (82), filling water in a ballast tank (2) to keep a ship body stable at the moment, then lowering a sliding ring (923) to enable a cylindrical skirt hoop (921) to clamp the cylindrical foundation (7), lifting equipment (5) to hang the cylindrical skirt of the cylindrical skirt foundation and enable a cable to be tensioned, and then enabling a spandrel girder (81) to integrally slide away from the sinking installation part (3) with the track (83) so as to enable the bottom of the cylindrical foundation (7) to be suspended;
s3, controlling the sliding ring (923) to uniformly drive the barrel-shaped foundation (7) to descend, removing the lifting hook of the lifting equipment (5) after the barrel-shaped foundation (7) enters water, and controlling the descending speed of the sliding ring (923) through a motor so as to enable the barrel-shaped foundation (7) to stably descend;
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.
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| 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 |
| CN115977053B (en) * | 2022-12-23 | 2024-03-12 | 天津大学 | Bottom-supported offshore wind power deep water auxiliary installation platform |
| 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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| CN103939300A (en) * | 2014-04-17 | 2014-07-23 | 天津大学 | Offshore wind power complete machine installation method |
| CN104192272A (en) * | 2014-08-11 | 2014-12-10 | 中国石油大学(华东) | Self-propelled and self-elevating wind power transportation and installation ship and installing method of wind turbine units |
| CN111101497A (en) * | 2020-01-15 | 2020-05-05 | 天津大学 | Offshore booster station structure capable of being integrally transported and installed |
| CN111910675A (en) * | 2020-08-11 | 2020-11-10 | 天津大学 | Device and method for mounting deepwater offshore wind power cylinder type foundation |
| CN112761128A (en) * | 2021-01-22 | 2021-05-07 | 天津大学 | Offshore wind power double-body installation platform and cylindrical foundation installation method |
| CN113443080A (en) * | 2021-07-09 | 2021-09-28 | 上海易斯特海洋工程技术有限公司 | Integrated mechanical construction ship and wind power complete machine construction method based on same |
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