CN109185071A - A kind of offshore wind farm deep water single step mounting device and method - Google Patents
A kind of offshore wind farm deep water single step mounting device and method Download PDFInfo
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- CN109185071A CN109185071A CN201811133780.1A CN201811133780A CN109185071A CN 109185071 A CN109185071 A CN 109185071A CN 201811133780 A CN201811133780 A CN 201811133780A CN 109185071 A CN109185071 A CN 109185071A
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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
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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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
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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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
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
-
- 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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Foundations (AREA)
Abstract
The invention discloses a kind of offshore wind farm deep water single step mounting device and methods, device includes installation ship, auxiliary sinking frame, sub-truss, righting leading truck, tower, flabellum, head, drag-line and bucket foundation, the afterbody of installation ship is provided with rectangular boss, rectangular boss is equipped with U-shaped groove, and four vertex of rectangular boss are integrally equipped with vertical sub-truss respectively；Auxiliary sinking frame is made of U-type chassis and vertical guide pipe, is equipped with through-hole on the outside of each sub-truss in rectangular boss, the guide pipe being flexibly connected with the sub-truss is equipped in through-hole；Bucket foundation is installed, tower is installed in the middle part of bucket foundation, and diagonal brace is equipped between tower and bucket foundation between U-type chassis and rectangular boss；One end of righting leading truck is connect with sub-truss, and the other end is connect by anchor ear with tower, for playing the function of Auxiliary support and constraint to tower in debugging, transport and installation process.
Description
Technical field
The invention belongs to offshore wind power foundation technical fields, are specifically related to a kind of offshore wind farm deep water single step installation dress
It sets and method, this device can assist bucket foundation complete machine in deep water sea area sink smoothly, improve the installation of bucket foundation deep water
Stability and safety expand the application range of bucket foundation complete machine transportation by driving and single step installation.
Background technique
Compared with land Construction of Wind Power, increasingly complex and severe maritime environment is faced in marine wind electric field construction,
Offshore construction difficulty is big, operation window phase is few, to significantly increase cost and the duration of offshore wind power development.Sea turn
It establishes foundation structure in hair by cable and is broadly divided into fixed support construction and floatation type support construction, Wind Power Generation is concentrated mainly at present
0-50m depth of water sea area mainly uses fixed support construction.The installation of fixed support construction is generally installed using substep, first
The offshore construction on basis is carried out, then carries out the installation of tower, head, flabellum, this method increases Potential Working Time For Operation At Sea and operations
Difficulty.Offshore wind farm support construction land fabrication, complete machine transportation by driving, single step installation be offshore wind farm a development trend, mesh
Preceding multiple countries are all in the research for carrying out technique.
With offshore wind power development towards the development compared with deep-sea domain, single step mounting technique has to adapt to compared with deep-sea domain
The severe execution conditions such as wind, wave, stream solve to face during bucket foundation complete machine single step deep water sinking by technological innovation
Unstability even the problems such as toppling, control sinking speed and posture, it is ensured that the safety of marine complete machine installation process and items refer to
Mark meets blower requirement.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, deep for offshore wind power foundation and complete machine integration
Stability control problem in the presence of water installation process provides a kind of offshore wind farm deep water single step mounting device and method,
This device can assist bucket foundation complete machine in deep water sea area sink smoothly, improve the stability and peace of the installation of bucket foundation deep water
Quan Xing expands the application range of bucket foundation complete machine transportation by driving and single step installation.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of offshore wind farm deep water single step mounting device, including installation ship, auxiliary sinking frame, sub-truss, righting are led
To frame, tower, flabellum, head, drag-line and bucket foundation, the afterbody of the installation ship is provided with rectangular boss, and rectangle is convex
Platform is equipped with U-shaped groove, and four vertex of the rectangular boss are integrally equipped with vertical sub-truss respectively；The auxiliary
Sinking frame is made of U-type chassis and vertical guide pipe, is equipped with through-hole on the outside of each sub-truss in rectangular boss, described
Be equipped with the guide pipe being flexibly connected with the sub-truss in through-hole, the bottom end of the guide pipe be located at below rectangular boss and
It is affixed with the U-type chassis；By described in the U-shaped groove and drag-line installation between the U-type chassis and rectangular boss
Bucket foundation, the tower are installed in the middle part of bucket foundation, and the diagonal brace for reinforcing is equipped between tower and bucket foundation, described
Head is installed on tower top, and the axis of head is connect with flabellum；One end of the righting leading truck is connect with the sub-truss,
The other end is connect by anchor ear with tower, for playing Auxiliary support and constraint to tower in debugging, transport and installation process
Function.
Further, the drag-line includes vertical drag-line and lateral drag-line, and the transverse direction drag-line will assist sinking frame and cylinder
The connection of type flexibility of foundation；Bucket foundation and installation ship are flexibly connected by vertical drag-line.
Further, in transportational process, the bottom of the bucket foundation and installation ship is flushed, to reduce cylinder in transportational process
Type basic stress, and prevent bucket foundation bottom sheath skirt from destroying.
Further, the bottom-open of the bucket foundation, inside cavity body structure of subdivision for subdivision or not.
A kind of installation method of offshore wind farm deep water single step mounting device, comprising the following steps:
(1) bucket foundation prefabricated completion by land, and carry out the installation and debugging of tower, head, flabellum；
(2) after bucket foundation and tower, head, flabellum installation and debugging, by inflating in bucket foundation, make cartridge type
Basis and tower, head, flabellum integrally float, and dock with the U-shaped groove of installation ship, adjust righting leading truck and anchor ear, hold tightly
Tower；Continue to inflate in bucket foundation, so that cylinder type basal top is held out against with installation ship, while with lateral drag-line that auxiliary is heavy
It puts frame and bucket foundation is flexibly connected；Bucket foundation and installation ship are flexibly connected with vertical drag-line；
(3) cartridge type foundation level degree is adjusted by lock pressure in bucket foundation and auxiliary sinking frame, lateral drag-line, vertical drag-line
And its switching performance with installation ship；
(4) installation ship and bucket foundation, tower, head, flabellum entirety transportation by driving, bucket foundation and installation ship during transportation by driving
And auxiliary sinking frame closely connects, and the environmental load during transportation by driving is resisted by hull and the floating stability of itself；
(5) installation ship and progress deep water after bucket foundation, tower, head, flabellum entirety transportation by driving to designated mounting place are heavy
Put installation.Deep water sinking installation steps are as follows:
A. anchor ear is unclamped, bucket foundation passes through gas in discharge cylinder first, so that bucket foundation, tower, head and flabellum
Whole gravity is greater than suffered buoyancy, vertical cable pull undertake bucket foundation and tower, head, flabellum overall structure gravity and
Buoyancy difference；Before bucket foundation bottom enters mud, air pressure in bucket foundation cabin is adjusted in entire sinking watching at any time, guarantees cartridge type
Basis, tower, head and flabellum entirety gravity be greater than suffered buoyancy, the difference maintenance of the two is basically unchanged；
B. vertical drag-line is slowly unclamped, after bucket foundation top cover is flushed with the U-type chassis of auxiliary sinking frame, lateral drag-line
It is tensioned and locks；Synchronous decentralization auxiliary sinking frame and vertical drag-line, auxiliary sinking frame sinking synchronous with bucket foundation, when cartridge type base
Plinth assists sinking frame and vertical drag-line to stop sinking down from 0.5~1m of sea bed face or so；
C. lateral drag-line is unclamped, continues to loosen vertical drag-line, by bucket foundation and tower, head, flabellum overall structure
The official post bucket foundation of self weight and buoyancy enters mud；Gas in bucket foundation cabin is slowly discharged and loosens vertical drag-line, until cylinder
Type basic internal air pressure is consistent with external pressure；Vertical drag-line is unclamped, installation ship is removed, and auxiliary sinking frame is withdrawn；
D. gas or water are extracted to bucket foundation, vacuumizes pushing, until bucket foundation top cover enters mud, complete sinking peace
Dress, installation ship make a return voyage.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
1. the present invention realizes bucket foundation and complete blower and installs in controllable, the stable sinking of deepwater regions, this dress
It sets and method is by measures such as the synchronous sinking of auxiliary sinking frame, drag-line flexible connections, pass through bucket foundation during sinking and ship
The connection and interaction of body improve the stability during bucket foundation complete machine sinking, namely enhance bucket foundation and sink
The ability that stormy waves stream environmental load is resisted during putting, significantly improve bucket foundation and complete blower installed in deep water it is steady
Qualitative and safety expands the application range of bucket foundation complete machine transportation by driving and single step installation.
2. the present invention solves offshore wind farm bucket foundation complete machine in next step compared with the severe stormy waves stream environmental load in deep-sea domain
Formula sinking gesture stability problem, mounting device overall structure form is simple, construction is convenient, saves human and material resources.
Detailed description of the invention
Fig. 1 is the schematic perspective view of apparatus of the present invention entirety；
Fig. 2 is the connection status diagram of righting leading truck and bucket foundation in apparatus of the present invention；
Fig. 3 is the side structure schematic view of apparatus of the present invention entirety；
Fig. 4 is the overlooking structure diagram that righting leading truck and bucket foundation are led in apparatus of the present invention；
Process schematic when Fig. 5 is the deep water sinking installation of apparatus of the present invention；
In figure: 1, installation ship；2-1, U-type chassis；2-2 guide pipe；3, sub-truss；4, righting leading truck；5, anchor ear；6,
Tower；7, flabellum；8, head；9-1, lateral drag-line；The vertical drag-line of 9-2；10, bucket foundation；11, diagonal brace.
Specific embodiment
In order to further appreciate that summary of the invention of the invention, feature and effect, embodiment is hereby enumerated, and is cooperated attached
Detailed description are as follows for figure:
As shown in Figures 1 to 4, a kind of offshore wind farm deep water single step mounting device, including installation ship 1, auxiliary sinking frame,
Sub-truss 3, righting leading truck 4, anchor ear 5, tower 6, flabellum 7, head 8, drag-line, bucket foundation 10 and diagonal brace 11, installation ship 1
Afterbody be provided with rectangular boss, rectangular boss is equipped with U-shaped groove, is mainly used for being docked with bucket foundation, make
It obtains bucket foundation bottom to flush with hull bottom, to reduce bucket foundation stress in transportational process and reduce resistance, and protect
Bucket foundation bottom sheath skirt, prevents its sheath skirt from destroying during transportation by driving.
Four vertex of rectangular boss are integrally molded respectively vertical sub-truss 3；Sub-truss 3 is connected by steel pipe
It forms, forms a fixed entirety with installation ship, support and guiding role are played to auxiliary sinking frame sinking process.Auxiliary is heavy
It puts frame to be made of U-type chassis 2-1 and vertical guide pipe 2-2, be equipped on the outside of each sub-truss 3 in rectangular boss logical
Hole is equipped with the guide pipe 2-2 being flexibly connected with sub-truss 3 in through-hole, and guide pipe 2-2 can be slided up and down and be born larger
Horizontal loading, be mainly used for deepwater regions and bucket foundation integral hoisting, and play the connection function of bucket foundation and hull,
It is set in the present embodiment there are four through-hole and four guide pipe 2-2, and also may be used in rectangular boss as needed in specific implementation process
It is corresponding that multiple through-holes and guide pipe 2-2 are set.
The bottom end of guide pipe 2-2 is located at below rectangular boss and welds with U-type chassis 2-1；U-type chassis 2-1 and rectangle are convex
Bucket foundation 10 is connected and fixed by U-shaped groove and drag-line between platform, drag-line includes transverse direction drag-line 9-1 and vertical drag-line 9-2, horizontal
The U-type chassis 2-1 of sinking frame will be assisted to be flexibly connected with bucket foundation 10 to drag-line 9-1；Vertical drag-line 9-2 is by bucket foundation 10
It is flexibly connected with installation ship 1.Drag-line can be tensioned according to barrel-shaped foundation sinking depth, speed, ambient conditions etc. and be unclamped work
Industry plays the role of bucket foundation and assists the flexible connection of sinking frame.
Tower 6 is installed on the middle part of bucket foundation 10, the bottom-open of bucket foundation 10, and inside is can subdivision or not subdivision
Cavity body structure.The diagonal brace 11 for reinforcing is equipped between tower 6 and bucket foundation 10, head 8 is installed on 6 top of tower, head 8
Axis connect with flabellum 7；One end of righting leading truck 4 is connect with sub-truss 3, and the other end is connect by anchor ear 5 with tower 6,
For the function of Auxiliary support and constraint to be played to tower 6 in debugging, transport and installation process.
Guide pipe 2-2, U-type chassis 2-1 are made of steel pipe in the present embodiment.
The construction method of installation of above-mentioned offshore wind farm deep water single step mounting device specific steps are as follows:
The first step, complete machine installation.The prefabricated completion by land of bucket foundation 10, and its own has certain certainly floating stability,
It drags bucket foundation 10 is temporarily in place in quayside by wet, then carries out top tower 6, head 8, the installation of flabellum 7 and tune
Examination.
Second step, bucket foundation are docked with installation ship.After bucket foundation and complete blower installation and debugging, by past
It inflates in bucket foundation 10, floats bucket foundation 10 and top tower 6, head 8,7 entirety of flabellum, the U-type groove with installation ship 1
Docking adjusts righting leading truck 4 and anchor ear 5, holds tower 6 tightly.Continue to inflate in bucket foundation 10, so that bucket foundation 10 pushes up
Portion is held out against with installation ship, while sinking frame will be assisted to be flexibly connected with bucket foundation 10 with transverse direction drag-line 9-1.With vertical drag-line 9-
2 are flexibly connected bucket foundation and installation ship.
Third step, adjustment.Pass through lock pressure in bucket foundation 10 and auxiliary sinking frame, lateral drag-line 9-1, vertical drag-line 9-2
Adjust cartridge type foundation level degree and its switching performance with installation ship.
4th step, transport.Installation ship 1 and bucket foundation 10, tower 6, head 8, the whole transportation by driving of flabellum 7, during transportation by driving
Bucket foundation 10 is closely connect with installation ship 1 and auxiliary sinking frame, resists transportation by driving process by hull and the floating stability of itself
In environmental load.
5th step, the installation of deep water sinking, as shown in Figure 5.Installation ship 1 and bucket foundation 10, top tower 6, head 8, fan
After the whole transportation by driving to designated mounting place of leaf 7, anchor ear 5 unclamps, and bucket foundation 10 is first by gas in discharge cylinder, so that cartridge type
The gravity of basis 10 and blower entirety is greater than suffered buoyancy, and vertical drag-line 9-2 tension undertakes bucket foundation and tower, head, fan
Leaf overall structure gravity and buoyancy difference；Before 10 bottom of bucket foundation enters mud, cartridge type base is adjusted in entire sinking watching at any time
Air pressure in 10 cabin of plinth guarantees that the gravity of bucket foundation 10 and blower entirety is greater than suffered buoyancy, and the difference maintenance of the two is basically unchanged；
Vertical drag-line is slowly unclamped, after being flushed at the top of 10 top of bucket foundation and the U-type chassis 2-1 of auxiliary sinking frame, lateral drag-line
It is tensioned and locks；By control guide pipe 2-2, decentralization auxiliary sinking frame, vertical drag-line 9-2, which is synchronized, to be loosened, auxiliary sinking frame and
10 integral sinking of bucket foundation, when 10 bottom of bucket foundation is from 0.5~1m of sea bed face or so, auxiliary sinking frame and vertical drag-line 9-
2 stop sinking down.Lateral drag-line 9-1 is unclamped, continues to loosen vertical drag-line 9-2, by the official post cylinder of dead load and buoyancy
Type basis 10 enters mud；Gas in 10 cabin of bucket foundation is slowly discharged and loosens vertical drag-line 9-2, until inside bucket foundation 10
Air pressure is consistent with external pressure；Vertical drag-line 9-2 is unclamped, installation ship 1 is removed, and auxiliary sinking frame is withdrawn；To being taken out in 10 cabin of bucket foundation
Gas or water are taken, pushing is vacuumized, until 10 top cover of bucket foundation enters mud, completes sinking installation；Installation ship 1 makes a return voyage.
The present invention is not limited to embodiments described above.Above the description of specific embodiment is intended to describe and say
Bright technical solution of the present invention, the above mentioned embodiment is only schematical, is not restrictive.This is not being departed from
In the case of invention objective and scope of the claimed protection, those skilled in the art may be used also under the inspiration of the present invention
The specific transformation of many forms is made, within these are all belonged to the scope of protection of the present invention.
Claims (6)
1. a kind of offshore wind farm deep water single step mounting device, which is characterized in that including installation ship, auxiliary sinking frame, support purlin
Frame, righting leading truck, tower, flabellum, head, drag-line and bucket foundation, it is convex that the afterbody of the installation ship is provided with rectangle
Platform, rectangular boss are equipped with U-shaped groove, and four vertex of the rectangular boss are integrally equipped with vertical support purlin respectively
Frame；The auxiliary sinking frame is made of U-type chassis and vertical guide pipe, is all provided on the outside of each sub-truss in rectangular boss
There is through-hole, the guide pipe being flexibly connected with the sub-truss is equipped in the through-hole, the bottom end of the guide pipe is located at square
It is below shape boss and affixed with the U-type chassis；By the U-shaped groove and described between the U-type chassis and rectangular boss
Drag-line installs the bucket foundation, and the tower is installed in the middle part of bucket foundation, is equipped between tower and bucket foundation for adding
Solid diagonal brace, the head is installed on tower top, and the axis of head is connect with flabellum；One end of the righting leading truck with it is described
Sub-truss connection, the other end is connect by anchor ear with tower, auxiliary for playing in debugging, transport and installation process to tower
Help the function of support and constraint.
2. offshore wind farm deep water single step mounting device according to claim 1, which is characterized in that the drag-line includes vertical
Drag-line and lateral drag-line, the transverse direction drag-line will assist sinking frame and bucket foundation to be flexibly connected；Vertical drag-line is by bucket foundation
It is flexibly connected with installation ship.
3. offshore wind farm deep water single step mounting device according to claim 1, which is characterized in that described in transportational process
The bottom of bucket foundation and installation ship flushes, and to reduce bucket foundation stress in transportational process, and prevents bucket foundation bottom cylinder
Skirt destroys.
4. offshore wind farm deep water single step mounting device according to claim 1, which is characterized in that the bottom of the bucket foundation
Portion is opened wide, inside cavity body structure of subdivision for subdivision or not.
5. a kind of installation method of offshore wind farm deep water single step mounting device, based on offshore wind farm deep water described in claim 1
Single step mounting device, which comprises the following steps:
(1) bucket foundation prefabricated completion by land, and carry out the installation and debugging of tower, head, flabellum；
(2) after bucket foundation and tower, head, flabellum installation and debugging, by inflating in bucket foundation, make bucket foundation
Integrally float with tower, head, flabellum, docked with the U-shaped groove of installation ship, adjust righting leading truck and anchor ear, holds tower tightly；
Continue to inflate in bucket foundation, so that cylinder type basal top is held out against with installation ship, while sinking frame will be assisted with lateral drag-line
It is flexibly connected with bucket foundation；Bucket foundation and installation ship are flexibly connected with vertical drag-line；
(3) by lock pressure in bucket foundation and auxiliary sinking frame, lateral drag-line, vertical drag-line adjust cartridge type foundation level degree and its
With the switching performance of installation ship；
(4) installation ship and bucket foundation, tower, head, flabellum entirety transportation by driving, bucket foundation and installation ship and auxiliary during transportation by driving
It helps sinking frame closely to connect, the environmental load during transportation by driving is resisted by hull and the floating stability of itself；
(5) deep water sinking peace is carried out after installation ship and bucket foundation, tower, head, flabellum entirety transportation by driving to designated mounting place
Dress.
6. a kind of installation method of offshore wind farm deep water single step mounting device according to claim 5, which is characterized in that step
Suddenly include following deep water sinking installation steps in (5):
A. anchor ear is unclamped, bucket foundation passes through gas in discharge cylinder first, so that bucket foundation, tower, head and flabellum are whole
Gravity be greater than suffered buoyancy, vertical cable pull undertakes bucket foundation and tower, head, flabellum overall structure gravity and buoyancy
Difference；Before bucket foundation bottom enters mud, air pressure in bucket foundation cabin is adjusted in entire sinking watching at any time, guarantees cartridge type base
Plinth, tower, head and flabellum entirety gravity be greater than suffered buoyancy, the difference maintenance of the two is basically unchanged；
B. vertical drag-line is slowly unclamped, after bucket foundation top cover is flushed with the U-type chassis of auxiliary sinking frame, lateral drag-line tensioning
And it locks；Synchronous decentralization auxiliary sinking frame and vertical drag-line, the sinking synchronous with bucket foundation of auxiliary sinking frame, when bucket foundation from
0.5~1m of sea bed face or so assists sinking frame and vertical drag-line to stop sinking down；
C. lateral drag-line is unclamped, continues to loosen vertical drag-line, is self-possessed by bucket foundation and tower, head, flabellum overall structure
Enter mud with the official post bucket foundation of buoyancy；Gas in bucket foundation cabin is slowly discharged and loosens vertical drag-line, until cartridge type base
Plinth air pressure inside is consistent with external pressure；Vertical drag-line is unclamped, installation ship is removed, and auxiliary sinking frame is withdrawn；
D. gas or water are extracted to bucket foundation, vacuumizes pushing, until bucket foundation top cover enters mud, complete sinking installation, peace
Shipment is maked a return voyage.
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| CN111456070A (en) * | 2019-01-18 | 2020-07-28 | 深圳国金电力新能设计院有限公司 | Tower drum foundation |
| CN113482033A (en) * | 2021-06-16 | 2021-10-08 | 中国能源建设集团广东省电力设计研究院有限公司 | Eccentric multi-cylinder jacket foundation and wind power complete machine construction method thereof |
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