CN107326887B - Offshore wind farm elder generation pile leader frame construction method of installation - Google Patents
Offshore wind farm elder generation pile leader frame construction method of installation Download PDFInfo
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- CN107326887B CN107326887B CN201710481362.0A CN201710481362A CN107326887B CN 107326887 B CN107326887 B CN 107326887B CN 201710481362 A CN201710481362 A CN 201710481362A CN 107326887 B CN107326887 B CN 107326887B
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- jacket
- supporting leg
- wind power
- piling bar
- power foundation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
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Abstract
The invention discloses a kind of offshore wind farm elder generation pile leader frame construction methods of installation, confirmation that this method enters stake by preparation of construction, jacket lifting, jacket contraposition, jacket, measurement correct, is installed, diver takes pictures, which records, removes hook warns, site clearing, jacket safety and precise is installed on by above-mentioned main seven steps and is fixed on four on sea bed wind power foundation piling bars in advance, it can effectively solve the problem that the technical problem that first pile leader frame is installed under water, promotion China, sea area, the southeast and deep-sea sea area wind power plant issued with great impetus.
Description
Technical field
The present invention relates to leading for a kind of installation method of offshore wind farm construction of pile groups, especially a kind of first pile leader frame basis
Pipe support construction method of installation.
Background technique
Jacket foundation pattern is one of broad form of offshore wind power foundation, jacket basis have overall stiffness it is big, by
Effect to the environmental loads such as wave and water flow is smaller, be widely used in China's Southeast China Sea area with sea turn establish by cable
Hair, and can be applied to large fan and deep-sea sea area, conform to the trend that deep-sea is gradually moved towards in offshore wind farm development.
Currently, domestic offshore wind power development is still within the starting stage, offshore wind farm construction technology is still immature, has opened
The marine wind electric field of hair mainly based on single-pile foundation and high-rise pile cap, has certain limitation, jacket basis sea turn
Electric construction technology is still in the exploration starting stage.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of offshore wind farm elder generation pile leader frame construction method of installation.
The technical solution adopted by the present invention to solve the technical problems is:
Offshore wind farm elder generation pile leader frame construction method of installation, it is characterised in that: the following steps are included:
1, preparation of construction, crane ship, transport catheter frame transport barge reach construction site seat in the plane near predetermined point,
Interim measurement platform is set, and carries out lifting and measurement preparation,
2, jacket lifting slings jacket to predetermined position by crane ship, and to two of jacket before lifting
Cable wind rope is fixed on supporting leg respectively, and cable wind rope is arranged in a crossed manner, includes the supporting leg two of longest supporting leg one and the second length in supporting leg,
3, jacket contraposition, survey crew from interim measurement platform measure respectively jacket supporting leg one and it is another convenient for see
The supporting leg of survey makes the corresponding wind power foundation piling bar of one face of supporting leg by adjusting cable wind rope,
4, jacket enters stake, and jacket slowly declines, and supporting leg one is sunk to inside wind power foundation piling bar, wait enter wind-powered electricity generation base
In plinth piling bar after certain distance, makes the corresponding wind power foundation piling bar of two face of supporting leg by adjusting cable wind rope, then slowly declines again,
Supporting leg two is sunk to inside wind power foundation piling bar, is sunk to inside wind power foundation piling bar after certain distance after supporting leg two, declines lifting
The suspension hook of ship enters other two jacket supporting leg also inside corresponding wind power foundation piling bar, until jacket integrally falls in four
On a wind power foundation piling bar,
5, measurement correction measures jacket levelness by survey crew, notifies to dive under water if not meeting predeterminated level degree
Member corrects and reaches requirement,
6, it is installed, diver, which takes pictures, confirms record,
7, it removes hook and warns, site clearing.
The detailed process of the step 2 is:
2.1, the positioning of lifting secure, and operation platform is transferred at the mark of wind power foundation piling bar, interim measurement is put down
Platform is hung in measurement position,
2.2, the transport barge of transport catheter frame casts anchor in place,
2.3, operator climbs up jacket installation suspender belt,
2.4, operator places U-shaped parallels and protects suspender belt,
2.5, suspension hook rises, and operator unbinds jacket,
2.6, and give and fix cable wind rope respectively on two supporting legs of crane ship,
2.7, loop wheel machine, which rises suspension hook, to be sling jacket and is moved to scheduled installation site.
It is double hook because hanging ship's tackle, then by double if jacket occurs blocking the case where can not declining entering a process
Hook or so electric hoisting, and hoist engine is adjusted, keep the supporting leg of jacket vertical, jacket is proposed wind power foundation piling bar mouth, weight
New adjustment decentralization jacket.
It is fixed on sea bed in advance the beneficial effects of the present invention are: being installed on jacket safety and precise by this method
Four wind power foundation piling bars on, can effectively solve the problem that the technical problem that first pile leader frame is installed under water, to promote China southeast
Sea area and deep-sea sea area wind power plant are issued with great impetus.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is general flow chart of the invention；
Fig. 2 is lifting lifting rope position view；
Fig. 3 conduit rack position lifting connection and instrumentation plan.
Specific embodiment
Referring to figs. 1 to Fig. 3, the invention discloses a kind of offshore wind farm elder generation pile leader frame construction method of installation, including it is following
Step:
1, preparation of construction, crane ship 1, transport catheter frame 2 transport barge reach it is predetermined near the seat in the plane of construction site
Interim measurement platform 5 is arranged in point, and carries out lifting and measurement preparation,
2, jacket 2 lifts by crane, and slings jacket 2 to predetermined position by crane ship 1, and to jacket 2 before lifting
Cable wind rope 3 is fixed on two supporting legs respectively, and cable wind rope 3 is arranged in a crossed manner, includes that longest supporting leg one and second is long in supporting leg
Supporting leg two, specifically includes the following steps:
2.1, after crane ship 1 navigates near seat in the plane positioning of casting anchor, interim transport barge casts anchor in front of crane ship 1, rises
Weight ship 1 lifts operation platform and transfers along the mark of wind power foundation piling bar, decoupling device after stablizing.Interim measurement platform 5 is hung in machine
Near position.
2.2, the transport barge of transport catheter frame 2 casts anchor in place,
2.3, operator climbs up jacket 2 and installs suspender belt, is characterized in particular in: disposing under jacket 2 to be lifted interim
On ladder to the berthing pile ladder of jacket 2, personnel are reached by ladder in the steel platform of jacket 2.Personnel are in steel platform handle
Suspender belt bypasses the tower diagonal brace of jacket 2, and instrumentation pays attention to the protection to the component paint of jacket 2.
2.4, operator places U-shaped parallels 7 and protects suspender belt, and operator passes through the blower fan tower barrel lower part iron of jacket 2
Door reaches tower upper mounting plate and places the U-shaped protection of parallels 7 suspender belt, and U-shaped parallels 7 has to play a protective role, then operator
Personnel remove afterwards
From tower,
2.5, suspension hook 6 rises, and slowly after raising, whether operator pays attention to suspension hook 6 suitable in the position of the sheath of suspender belt,
It is adjusted again when needing, hook is completed, and the stress condition of 1, No. 2 main hook is adjusted, and large arm plays positive 2 geometric center of jacket
Hook simultaneously controls stress, then carries out jacket 2 and finally unbinds, and unbinds work according to 2 fixed form of jacket and carries out cutting fastening
Part removes fixing bolt etc..
2.6, during unbinding jacket 2, respectively close to crane ship 1 two supporting legs at bolt cable wind rope 3, heaving pile wind
Rope 3 needs to prevent component paint from destroying.The intersection of cable wind rope 3 is placed on corresponding hoist engine 4,
2.7, loop wheel machine, which rises suspension hook 6, to be sling jacket 2 and is moved to scheduled installation site, and loop wheel machine slowly hooks up, and leads
Pipe support 2 leaves about 2 meter Gao Hou of transport barge deck fixing seat, and transport barge leaves, and it is predetermined that crane ship 1 passes through mobile anchor cable arrival
It installs above seat in the plane, according to lifting situation, 1, No. 2 main hook rope capacity of appropriate adjustment makes its basic horizontal, at this time cable wind rope
3 connections on preset hoist engine 4, are hung substantially to predetermined position on the quarter,
3, jacket 2 aligns, and survey crew measures supporting leg one and another branch convenient for observation from interim measurement platform 5 respectively
Leg makes the corresponding wind power foundation piling bar of one face of supporting leg by adjusting cable wind rope 3,
4, jacket 2 enters stake, and jacket 2 slowly declines, and supporting leg one is sunk to inside wind power foundation piling bar, wait enter wind-powered electricity generation
In foundation steel pile after about 400mm, supporting leg two is observed and measured, is made by adjusting cable wind rope 3 by the corresponding wind-powered electricity generation base of two face of supporting leg
Plinth piling bar, then slowly declines again, and supporting leg two is sunk to inside wind power foundation piling bar, sinks in wind power foundation piling bar to supporting leg two
After portion about 600mm, after being positioned by supporting leg one and supporting leg two, decline suspension hook 6 makes other two 2 supporting leg of jacket also enter correspondence
Wind power foundation piling bar inside, fallen on four wind power foundation piling bars until jacket 2 is whole, and be substantially at jacket 2
Horizontality,
If jacket 2 occurs blocking the case where can not declining entering a process, it is double hook because hanging ship's tackle 6, then passes through
Double hook or so electric hoisting, and hoist engine 4 is adjusted, keep the supporting leg of jacket 2 vertical, jacket 2 is proposed wind power foundation piling bar
Mouthful, decentralization jacket 2 is readjusted,
5, measurement correction measures 2 levelness of jacket by survey crew, notifies to dive under water if not meeting predeterminated level degree
Member corrects and reaches requirement, specifically:
Diver, which takes pictures, confirms situation: if piling bar has all been implemented, then starting to measure；If three piling bar stress are implemented, separately
From stake mouth within 5cm, diver beat padding one piling bar with correcting wedge, and diver observes each supporting leg and piling bar
At least there is the compacting of 3-4 point, when compacting point is insufficient, beat with correcting wedge and pad and then start to measure,
Survey crew enters tower inner platform, takes at 8 points to flange, reads high difference with level, if flange levelness is super
Design value out allows diver to level jacket 2 by increase and decrease cushion block, and specifically exist: each supporting leg is set as needed ultra-thin very heavy
Top jacks up, and then uses dimension steel plate pad, after being encased inside between wind power foundation piling bar and supporting leg, then unloads jack and makes cushion block
Compacting, and proceeding measurement method orchid disk reaches prescribed requirement,
6, it is installed, after jacket 2 is installed, diver need to carry out note of taking pictures to supporting leg and piling bar installation situation
Record, photographing device is underwater camera, since construction area seawater is more muddy, it is necessary to it is equipped with waterproof light and is shot, it must
Add transparent clear water bag when wanting before camera.It allows water bag to push down area of taking pictures to take pictures.
7, it removes hook and warns, decoupling device installs warning lamp, pulls up operation platform, move to next seat in the plane,
It is provided for the embodiments of the invention a kind of 2 construction method of installation of jacket above, is described in detail, herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves method and its core concept of the invention；At the same time, for those skilled in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
Limitation of the invention.
Claims (3)
1. offshore wind farm elder generation pile leader frame construction method of installation, it is characterised in that: the following steps are included:
1, preparation of construction, crane ship, transport catheter frame transport barge reach construction site seat in the plane near predetermined point, setting
Interim measurement platform, and lifting and measurement preparation are carried out,
2, jacket lifting slings jacket to predetermined position by crane ship, and gives two supporting legs of jacket before lifting
It is upper to fix cable wind rope respectively, and cable wind rope is arranged in a crossed manner, includes the supporting leg two of longest supporting leg one and the second length in supporting leg,
3, jacket contraposition, survey crew from interim measurement platform measure respectively jacket supporting leg one and it is another convenient for observation
Supporting leg makes the corresponding wind power foundation piling bar of one face of supporting leg by adjusting cable wind rope,
4, jacket enters stake, and jacket slowly declines, and supporting leg one is sunk to inside wind power foundation piling bar, wait enter wind power foundation steel
In stake after certain distance, makes the corresponding wind power foundation piling bar of two face of supporting leg by adjusting cable wind rope, then slowly decline again, will prop up
Leg two is sunk to inside wind power foundation piling bar, after supporting leg two sinks to wind power foundation piling bar inside certain distance, declines crane ship
Suspension hook enters other two jacket supporting leg also inside corresponding wind power foundation piling bar, until jacket integrally falls in four wind
In electric foundation steel pile,
5, measurement correction measures jacket levelness by survey crew, notifies diver to entangle if not meeting predeterminated level degree
Just and reach requirement,
6, it is installed, diver, which takes pictures, confirms record,
7, it removes hook and warns, site clearing.
2. jacket installation construction method according to claim 1, it is characterised in that:
The detailed process of the step 2 is:
2.1, the positioning of lifting secure, and operation platform is transferred at the mark of wind power foundation piling bar, interim measurement platform is hung
Measurement position is put in,
2.2, the transport barge of transport catheter frame casts anchor in place,
2.3, operator climbs up jacket installation suspender belt,
2.4, operator places U-shaped parallels in tower upper mounting plate and protects suspender belt,
2.5, suspension hook rises, and operator unbinds jacket,
2.6, and give and fix cable wind rope respectively on two supporting legs of crane ship,
2.7, loop wheel machine, which rises suspension hook, to be sling jacket and is moved to scheduled installation site.
3. jacket installation construction method according to claim 1, it is characterised in that: in the step 4: if jacket
Occur blocking the case where can not declining entering a process, is double hook because hanging ship's tackle, then by double hook or so electric hoisting, and adjusts
Whole hoist engine keeps the supporting leg of jacket vertical, and jacket is proposed wind power foundation piling bar mouth, readjusts decentralization jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481362.0A CN107326887B (en) | 2017-06-22 | 2017-06-22 | Offshore wind farm elder generation pile leader frame construction method of installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481362.0A CN107326887B (en) | 2017-06-22 | 2017-06-22 | Offshore wind farm elder generation pile leader frame construction method of installation |
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| CN107326887A CN107326887A (en) | 2017-11-07 |
| CN107326887B true CN107326887B (en) | 2019-06-18 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374428A (en) * | 2018-02-22 | 2018-08-07 | 浙江华蕴海洋工程技术服务有限公司 | Jacket foundation construction device and installation method |
| CN108532604A (en) * | 2018-03-07 | 2018-09-14 | 江苏龙源振华海洋工程有限公司 | A kind of steady stake platform construction technique |
| CN109629568A (en) * | 2018-12-30 | 2019-04-16 | 中交第三航务工程局有限公司江苏分公司 | The process for sinking of the steady stake platform of offshore wind farm jacket foundation steel pipe pile floating |
| CN110925146B (en) * | 2019-10-22 | 2021-07-27 | 广州文船重工有限公司 | Offshore wind power jacket supporting seat |
| CN110878560A (en) * | 2019-10-22 | 2020-03-13 | 江苏华蕴海洋科技有限公司 | Auxiliary positioning method for offshore wind power jacket foundation hoisting device |
| CN112112186B (en) * | 2020-09-27 | 2022-02-22 | 上海振华重工(集团)股份有限公司 | Installation method of split jacket foundation on offshore converter station |
| CN112982399A (en) * | 2021-02-05 | 2021-06-18 | 保利长大工程有限公司 | Pile sinking construction method for fixed-arm type frame crane ship |
| CN113463644B (en) * | 2021-07-07 | 2023-04-18 | 中交第一航务工程局有限公司 | Suspension mounting method for suction pile jacket |
| CN114542394A (en) * | 2022-01-20 | 2022-05-27 | 保利长大工程有限公司港航分公司 | Method for hoisting vertical jacket by fixed-arm frame crane ship |
| CN114856919A (en) * | 2022-01-20 | 2022-08-05 | 保利长大工程有限公司港航分公司 | Method for hoisting jacket by full-circle slewing crane ship |
| CN114542398A (en) * | 2022-02-24 | 2022-05-27 | 保利长大工程有限公司港航分公司 | Construction method for hoisting horizontal jacket by fixed-arm frame crane ship |
| CN117773440B (en) * | 2024-02-26 | 2024-04-19 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
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| CN107326887A (en) | 2017-11-07 |
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