CN111204416A - Wave dissipation protection device and method for offshore wind power cylinder type foundation transport and installation ship - Google Patents
Wave dissipation protection device and method for offshore wind power cylinder type foundation transport and installation ship Download PDFInfo
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- CN111204416A CN111204416A CN202010084451.3A CN202010084451A CN111204416A CN 111204416 A CN111204416 A CN 111204416A CN 202010084451 A CN202010084451 A CN 202010084451A CN 111204416 A CN111204416 A CN 111204416A
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- closing door
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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
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wave-eliminating protection device and method for an offshore wind power barrel type foundation transportation and installation ship, and the wave-eliminating protection device comprises an opening and closing door, a door shaft and an opening and closing door control device, wherein the opening and closing door is positioned at the stern and is divided into a first opening and closing door and a second opening and closing door, and the first opening and closing door and the second opening and closing door completely seal the opening of a U-shaped groove in a closed state; the door shafts are divided into a first door shaft and a second door shaft, and the first door shaft and the second door shaft are respectively positioned on two sides of a stern; the first door shaft is connected with the ship body and the first opening and closing door, and the first opening and closing door rotates around the first door shaft; the second door shaft is connected with the ship body and a second opening and closing door, and the second opening and closing door rotates around the second door shaft; the opening and closing door control device is used for opening and closing the opening and closing door. The invention realizes the one-step transportation and installation of the cylindrical foundation; the closed type transport ship tightly surrounds the cylindrical foundation, so that the cylindrical foundation reduces the action of waves in the transportation and installation process, and the safety of the cylindrical foundation in the transportation process is improved.
Description
Technical Field
The invention relates to the marine ship technology, in particular to a wave dissipation protection device and method for an offshore wind power cylindrical foundation transportation and installation ship.
Background
With the rapid development of society, the energy problem is more and more prominent, and wind energy has huge development prospect as a clean renewable energy source.
The traditional offshore wind power construction scheme is to complete 'sea sweeping' and 'positioning' firstly; then hauling the prefabricated foundation structure on the shore to a specified installation position, and carrying out sinking installation in modes of piling, hoisting and the like; and finally, dragging and transporting the tower drum, the machine head and the like to a foundation mounting position, and mounting each tower drum and the machine head in a hoisting mode. The whole installation process is completed on the sea, and the construction difficulty is high, the construction cost is high, the consumed time is long, and the influence of the environment is large. On the basis, a one-step installation technology of the whole cylindrical foundation appears, the cylindrical foundation and the fan are integrally transported and installed through the U-shaped ship, and the offshore construction operation time is obviously shortened. However, the U-shaped vessel is an open vessel, and loads such as waves can be directly applied to the cylindrical foundation during the transportation and installation of the foundation, which may shorten the window period of the marine transportation and installation.
Disclosure of Invention
The invention provides a wave-eliminating protection device and method for a marine wind power cylindrical foundation transportation and installation ship, aiming at the problem that the potential safety hazard of transportation and installation is caused by the fact that the wave load can be directly acted on a cylindrical foundation in the whole machine transportation and installation process in the cylindrical foundation one-step installation technology.
The technical scheme adopted by the invention is as follows: a wave dissipation protection device of an offshore wind power cylindrical foundation transportation and installation ship comprises a ship body, wherein a ship stern of the ship body is provided with a U-shaped groove, and the cylindrical foundation is positioned in the U-shaped groove of the ship body; the wave dissipation protection device comprises:
the opening and closing door is positioned at the stern and is divided into a first opening and closing door and a second opening and closing door, and the first opening and closing door and the second opening and closing door completely seal the opening of the U-shaped groove in a closed state;
the door shafts are divided into a first door shaft and a second door shaft, and the first door shaft and the second door shaft are respectively positioned on two sides of the stern; the first door shaft is connected with the ship body and the first opening and closing door, and the first opening and closing door rotates around the first door shaft; the second door shaft is connected with the ship body and a second opening and closing door, and the second opening and closing door rotates around the second door shaft;
and the opening and closing door control device is used for opening and closing the opening and closing door.
Further, the first and second shutters are symmetrical with respect to a ship axis.
Furthermore, the outer surfaces of the first opening and closing door and the second opening and closing door are arc-shaped, and the first opening and closing door and the second opening and closing door are always kept in a closed state in transportation, so that the influence of waves is reduced, and the cylindrical foundation is protected.
Further, the door opening and closing control device is divided into a first door opening and closing control device for controlling the first opening and closing door and a second door opening and closing control device for controlling the second opening and closing door; the first door opening and closing control device and the second door opening and closing control device both comprise:
a hydraulic control system;
an inner shaft controlled to rotate by the hydraulic control system;
an outer shaft rotated by the inner shaft;
a rotating shaft;
the upright post is fixed at the top of the opening and closing door;
the first end of the short arm is fixed on the outer shaft, the second end of the short arm is connected with the rotating shaft, and the short arm can rotate around the rotating shaft; and the number of the first and second groups,
the first end of long arm is connected stand, second end connection the pivot, long arm can wind the pivot the stand rotates.
Further, the hydraulic control system is divided into forward starting and reverse starting, wherein the forward starting opens the opening and closing door, and the reverse starting closes the opening and closing door.
The other technical scheme adopted by the invention is as follows: a marine wind power cylindrical foundation transportation and installation method based on the wave dissipation protection device of the marine wind power cylindrical foundation transportation and installation ship comprises the following steps:
prefabricating the cylindrical foundation on land;
the offshore wind power cylinder type foundation transportation and installation ship runs to the outlet of a slide way of the cylinder type foundation, the hydraulic control system is started in the forward direction, the opening and closing door is opened from the closed state until the opening and closing door rotates 90 degrees, and the hydraulic control system is closed;
when the opening and closing door is completely opened, the cylindrical foundation enters the U-shaped groove along the slide way, the hydraulic control system is reversely started to close the opening and closing door until the opening and closing door is completely closed, and the hydraulic control system is closed;
when the opening and closing door is completely closed, the interior of the cylindrical foundation is inflated, so that the cylindrical foundation slowly floats upwards completely until the top cover of the cylindrical foundation is tightly contacted with the U-shaped groove and is bound;
when the cylindrical foundation is completely in place, the cylindrical foundation is transported to a specified installation position by an offshore wind power cylindrical foundation transporting and installing ship;
after the anchor block reaches the designated installation position, anchoring and positioning work is carried out;
after the offshore wind power cylindrical foundation transportation and installation ship is in place, the cylindrical foundation is sunk and installed;
after the barrel-shaped foundation is sunk, leveled and tested, the hydraulic control system is started in a forward direction, the opening and closing door is completely opened, the hydraulic control system is closed, and the offshore wind power barrel-shaped foundation transporting and installing ship is withdrawn;
when the offshore wind power cylindrical foundation transportation and installation ship is completely withdrawn, the hydraulic control system is reversely started, the opening and closing door is completely closed, the hydraulic control system is closed, and the offshore wind power cylindrical foundation transportation and installation ship returns.
The invention has the beneficial effects that:
the wave-dissipating protection device and method for the offshore wind power cylindrical foundation transportation and installation ship, disclosed by the invention, realize one-step transportation and installation of the cylindrical foundation; the closed type transport ship tightly surrounds the cylindrical foundation, so that the cylindrical foundation reduces the action of waves in the transportation and installation process, and the safety of the cylindrical foundation in the transportation process is improved. The wave dissipation protection device of the offshore wind power cylindrical foundation transportation and installation ship greatly improves the safety of the cylindrical foundation transportation and installation process and improves the efficiency of offshore wind power construction.
Drawings
FIG. 1 is a schematic view of the open state of the open and close door of the wave-breaking protection device of the offshore wind power cylindrical foundation transportation and installation ship provided by the invention;
FIG. 2 is a schematic view of the closed state of the opening and closing door of the wave-breaking protection device of the offshore wind power cylinder type basic transportation and installation vessel provided by the invention.
Fig. 3 is a schematic structural diagram of the door opening and closing control device.
In the figure:
1-hull;
2-open and close the door;
3-door shaft;
4-opening and closing the door control device;
4-1-hydraulic control system;
4-2-inner shaft;
4-3-outer shaft;
4-short arm;
4-5-rotating shaft;
4-6-long arm;
4-7-upright post;
5-barrel type foundation.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1 and 2, the wave-breaking protection device of the offshore wind power cylinder type foundation transportation and installation ship comprises a ship body 1, wherein the ship body 1 is arc-shaped as a whole, and is mainly used for reducing towing resistance in the transportation process and reducing the offshore transportation time; a U-shaped groove is formed in the middle of a stern of the ship body 1, and the U-shaped groove is symmetrical about the axis of the ship; the cylindrical foundation 5 is positioned in a U-shaped groove of the ship body 1 and is connected through air flotation and binding.
The wave dissipation protection device comprises an opening and closing door 2, a door shaft 3 and an opening and closing door control device 4.
The rear part of the stern of the ship is composed of two opening and closing doors 2 (divided into a first opening and closing door and a second opening and closing door), the first opening and closing door and the second opening and closing door are symmetrical about the axis of the ship, and the outer surfaces of the first opening and closing door and the second opening and closing door are in an arc shape. The opening and closing door 2 is opened and closed through the opening and closing door control device 4, when the opening and closing door is opened, the first opening and closing door and the second opening and closing door are perpendicular to the cross section of the ship, when the opening and closing door is closed, the opening of the U-shaped groove is completely closed, in the transportation and installation processes, the influence of waves on the cylindrical foundation 5 is reduced, and the cylindrical foundation 5 is protected.
The gate shaft 3 is divided into a first gate shaft and a second gate shaft, and the first gate shaft and the second gate shaft are respectively positioned on two sides of the stern; the first door shaft is connected with the ship body 1 and the first opening and closing door, and the first opening and closing door can rotate for 90 degrees around the first door shaft; the second door shaft is connected with the ship body 1 and a second opening and closing door, and the second opening and closing door can rotate for 90 degrees around the second door shaft.
The opening and closing door control device 4 is divided into a first opening and closing door control device for controlling the first opening and closing door and a second opening and closing door control device for controlling the second opening and closing door. As shown in FIG. 3, the first opening and closing door control device and the second opening and closing door control device both comprise a hydraulic control system 4-1, an inner shaft 4-2, an outer shaft 4-3, a short arm 4-4, a rotating shaft 4-5, a long arm 4-6 and an upright post 4-7. The hydraulic control system 4-1, the inner shaft 4-2 and the outer shaft 4-3 are arranged on two sides of a stern, the upright post 4-7 is fixed at the top of the opening and closing door 2, and the upright post 4-7 and the outer shaft 4-3 are connected through the short arm 4-4, the rotating shaft 4-5 and the long arm 4-6; the first end of the short arm 4-4 is fixed on the outer shaft 4-3, the second end is connected with the rotating shaft 4-5, and the short arm 4-4 can rotate around the rotating shaft 4-5; the first end of the long arm 4-6 is connected with the upright post 4-7, the second end is connected with the rotating shaft 4-5, and the long arm 4-6 can rotate around the rotating shaft 4-5 and the upright post 4-7. The hydraulic control system 4-1 controls the inner shaft 4-2 to drive the outer shaft 4-3 to rotate, the outer shaft 4-3 drives the short arm 4-4 to synchronously rotate, the short arm 4-4 drives the long arm 4-6 to rotate, and the long arm 4-6 drives the opening and closing door 2 to rotate. The hydraulic control system 4-1 comprises forward starting and reverse starting, the forward starting is carried out, the opening and closing door 2 is opened around the door shaft 3, the reverse starting is carried out, and the opening and closing door 2 is closed around the door shaft 3. In the transportation process, the top cover of the cylindrical foundation 5 is tightly combined with the U-shaped groove.
The offshore wind power cylindrical foundation transportation and installation method based on the wave dissipation protection device of the offshore wind power cylindrical foundation transportation and installation ship comprises the following steps:
firstly, shipping, namely prefabricating the cylindrical foundation 5 on land and transporting the cylindrical foundation into a slideway in modes of hoisting and the like. The offshore wind power cylinder type foundation transportation and installation ship is driven to a slide way outlet, a hydraulic control system 4-1 is started in a forward direction, the rotation speed of an inner shaft 4-2 is controlled, and a rotating shaft 4-5 drives an opening and closing door 2 to move synchronously, so that the opening and closing door 2 is opened slowly from a closed state; and (3) closing the hydraulic control system 4-1 until the opening and closing door 2 is rotated by 90 degrees to be in a completely opened state, and enabling the cylindrical foundation 5 to enter the U-shaped groove along the slide way. After the cylindrical foundation 5 completely enters the U-shaped groove, the hydraulic control system 4-1 is reversely opened, the rotating speed of the inner shaft 4-2 is controlled, the opening and closing door 2 is slowly closed until the opening and closing door 2 is completely closed, and the hydraulic control system 4-1 is closed.
And secondly, fixing, namely inflating the interior of the cylindrical foundation 5 when the cylindrical foundation 5 completely enters the U-shaped groove to slowly float the cylindrical foundation 5 until the top cover of the cylindrical foundation 5 completely contacts the top of the U-shaped groove to be tightly combined and bound.
And thirdly, transporting, namely transporting the cylindrical foundation 5 to a specified installation position by an offshore wind power cylindrical foundation transporting and installing ship when the cylindrical foundation 5 is completely in place.
And fourthly, mounting, namely performing anchoring and positioning work after the cylindrical foundation 5 reaches the designated mounting position, and finishing sinking mounting of the cylindrical foundation 5 by utilizing dead weight and negative pressure after the offshore wind power cylindrical foundation transportation and mounting ship is in place.
And fifthly, returning, wherein when the barrel-shaped foundation 5 is sunk, leveled and tested normally, the hydraulic control system 4-1 is started in the forward direction, and the hydraulic control system 4-1 is closed after the opening and closing door 2 is completely opened. Withdrawing the offshore wind power cylindrical foundation transportation and installation ship from the installation position, reversely opening the hydraulic control system 4-1 after completely withdrawing, closing the hydraulic control system 4-1 after the opening and closing door 2 is completely closed, and returning the offshore wind power cylindrical foundation transportation and installation ship.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. A wave dissipation protection device of an offshore wind power cylindrical foundation transportation and installation ship comprises a ship body (1), wherein a ship stern of the ship body (1) is provided with a U-shaped groove, and a cylindrical foundation (5) is positioned in the U-shaped groove of the ship body (1); it is characterized in that the wave dissipation protection device comprises:
the opening and closing door (2) is positioned at the stern and is divided into a first opening and closing door and a second opening and closing door, and the first opening and closing door and the second opening and closing door completely seal the opening of the U-shaped groove in a closed state;
the door shaft (3) is divided into a first door shaft and a second door shaft, and the first door shaft and the second door shaft are respectively positioned on two sides of the stern; the first door shaft is connected with the ship body (1) and the first opening and closing door, and the first opening and closing door rotates around the first door shaft; the second door shaft is connected with the ship body (1) and a second opening and closing door, and the second opening and closing door rotates around the second door shaft;
and the door opening and closing control device (4), and the door opening and closing control device (4) is used for opening and closing the opening and closing door (2).
2. The wave attenuation protection device for the offshore wind power cylinder type foundation transportation and installation vessel as claimed in claim 1, wherein the first opening and closing door and the second opening and closing door are symmetrical about the vessel axis.
3. The wave-breaking protection device for the offshore wind power cylindrical foundation transportation and installation vessel as claimed in claim 1, wherein the outer surfaces of the first opening and closing door and the second opening and closing door are arc-shaped and are always kept in a closed state during transportation, so that the influence of waves is reduced, and the cylindrical foundation (5) is protected.
4. The wave-breaking protection device of an offshore wind turbine type foundation transportation and installation vessel according to claim 1, wherein the opening and closing door control device (4) is divided into a first opening and closing door control device for controlling the first opening and closing door and a second opening and closing door control device for controlling the second opening and closing door; the first door opening and closing control device and the second door opening and closing control device both comprise:
a hydraulic control system (4-1);
an inner shaft (4-2), the inner shaft (4-2) being controlled in rotation by the hydraulic control system (4-1);
an outer shaft (4-3), wherein the outer shaft (4-3) is driven by the inner shaft (4-2) to rotate;
a rotating shaft (4-5);
the upright post (4-7), the upright post (4-7) is fixed on the top of the opening and closing door (2);
the first end of the short arm (4-4) is fixed on the outer shaft (4-3), the second end of the short arm (4-4) is connected with the rotating shaft (4-5), and the short arm (4-4) can rotate around the rotating shaft (4-5); and the number of the first and second groups,
the first end of the long arm (4-6) is connected with the upright post (4-7), the second end of the long arm (4-6) is connected with the rotating shaft (4-5), and the long arm (4-6) can rotate around the rotating shaft (4-5) and the upright post (4-7).
5. The wave-breaking protection device for the offshore wind turbine type foundation transportation and installation vessel as claimed in claim 4, wherein the hydraulic control system (4-1) is divided into a forward start and a reverse start, the forward start opens the opening and closing door (2), and the reverse start closes the opening and closing door (2).
6. An offshore wind turbine barrel type foundation transportation and installation method based on the offshore wind turbine barrel type foundation transportation and wave dissipation protection device of the installation vessel of any one of the claims 1 to 5, which is characterized by comprising the following steps:
prefabricating the cylindrical foundation (5) on land;
the offshore wind power cylinder type foundation transportation and installation ship runs to the outlet of the slide way of the cylinder type foundation (5), the hydraulic control system (4-1) is started in the forward direction, the opening and closing door (2) is opened from the closed state until the opening and closing door (2) rotates 90 degrees, and the hydraulic control system (4-1) is closed;
when the opening and closing door (2) is completely opened, the cylindrical foundation (5) enters the U-shaped groove along the slide way, the hydraulic control system (4-1) is reversely started, the opening and closing door (2) is closed until the opening and closing door (2) is completely closed, and the hydraulic control system (4-1) is closed;
when the opening and closing door (2) is completely closed, the interior of the cylindrical foundation (5) is inflated, so that the whole cylindrical foundation (5) slowly floats upwards until the top cover of the cylindrical foundation (5) is tightly contacted with the U-shaped groove and is bound;
when the cylindrical foundation (5) is completely in place, the cylindrical foundation (5) is transported to a specified installation position by an offshore wind power cylindrical foundation transporting and installing ship;
after the anchor block reaches the designated installation position, anchoring and positioning work is carried out;
when the offshore wind power cylindrical foundation transportation and installation ship is in place, the cylindrical foundation (5) is sunk and installed;
after the barrel-shaped foundation (5) sinks, levels and is tested, the hydraulic control system (4-1) is started in a forward direction, the opening and closing door (2) is completely opened, the hydraulic control system (4-1) is closed, and the offshore wind power barrel-shaped foundation is transported and installed by a ship;
when the offshore wind power cylinder type foundation transportation and installation ship is completely withdrawn, the hydraulic control system (4-1) is reversely started, so that the opening and closing door (2) is completely closed, the hydraulic control system (4-1) is closed, and the offshore wind power cylinder type foundation transportation and installation ship returns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084451.3A CN111204416A (en) | 2020-02-10 | 2020-02-10 | Wave dissipation protection device and method for offshore wind power cylinder type foundation transport and installation ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084451.3A CN111204416A (en) | 2020-02-10 | 2020-02-10 | Wave dissipation protection device and method for offshore wind power cylinder type foundation transport and installation ship |
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| Publication Number | Publication Date |
|---|---|
| CN111204416A true CN111204416A (en) | 2020-05-29 |
Family
ID=70782635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010084451.3A Pending CN111204416A (en) | 2020-02-10 | 2020-02-10 | Wave dissipation protection device and method for offshore wind power cylinder type foundation transport and installation ship |
Country Status (1)
| Country | Link |
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| CN (1) | CN111204416A (en) |
Cited By (3)
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| CN111764394A (en) * | 2020-07-06 | 2020-10-13 | 华电重工股份有限公司 | Installation method of cylindrical foundation |
| CN113998074A (en) * | 2021-11-23 | 2022-02-01 | 陈玉凯 | Building method of water building |
| CN114132437A (en) * | 2020-09-03 | 2022-03-04 | 张海廷 | Buoy putting device for hydrological monitoring |
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| US20130051924A1 (en) * | 2010-03-10 | 2013-02-28 | Stewart Willis | Offshore structures and associated apparatus and methods |
| WO2012103796A1 (en) * | 2011-01-31 | 2012-08-09 | 江苏道达海上风电工程科技有限公司 | Vessel for transporting and installing wind turbine equipment and use of vessel |
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| CN111764394A (en) * | 2020-07-06 | 2020-10-13 | 华电重工股份有限公司 | Installation method of cylindrical foundation |
| CN114132437A (en) * | 2020-09-03 | 2022-03-04 | 张海廷 | Buoy putting device for hydrological monitoring |
| CN113998074A (en) * | 2021-11-23 | 2022-02-01 | 陈玉凯 | Building method of water building |
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