CN107326887A - 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
- Publication number
- CN107326887A CN107326887A CN201710481362.0A CN201710481362A CN107326887A CN 107326887 A CN107326887 A CN 107326887A CN 201710481362 A CN201710481362 A CN 201710481362A CN 107326887 A CN107326887 A CN 107326887A
- Authority
- CN
- China
- Prior art keywords
- jacket
- supporting leg
- wind power
- installation
- power foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- 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)
- Wind Motors (AREA)
- Foundations (AREA)
Abstract
The invention discloses a kind of first pile leader frame construction method of installation of offshore wind farm, confirmation that this method is lifted by crane by preparation of construction, jacket, jacket is aligned, jacket enters stake, measurement correction, installation, diver take pictures, which records, remove hook warns, site clearing, jacket safety and precise is installed on by above-mentioned seven main steps and is fixed in advance on four on sea bed wind power foundation piling bars, the technical barrier that first pile leader frame is installed under water is can effectively solve the problem that, to promoting China southeast marine site and deep-sea marine site wind power plant to issue 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, particularly a kind of first pile leader frame basis
Pipe support construction method of installation.
Background technology
Jacket foundation pattern is one of broad form of offshore wind power foundation, jacket basis have integral rigidity it is big, by
Effect to the environmental load such as wave and current is smaller, be widely used in China's Southeast China Sea area with sea turn establish by cable
Hair, and large fan and deep-sea marine site are can be applied to, it conform to the trend that deep-sea is gradually moved towards in offshore wind farm development.
At present, domestic offshore wind farm exploitation is still within the starting stage, and offshore wind farm construction technology is still immature, has opened
The marine wind electric field of hair is main based on single-pile foundation and high-rise pile cap, with certain limitation, jacket basis sea turn
Electric construction technology is still in the exploration starting stage.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of offshore wind farm first pile leader frame construction method of installation.
The technical solution adopted for 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：Comprise the following steps：
1, preparation of construction, crane ship, the transport barge of transport catheter frame reach the predetermined point near the seat in the plane of job site, set
Interim measurement platform, and carry out lifting and measure preparation,
2, jacket lifting slings jacket to precalculated position by crane ship, and two supporting legs before lifting to jacket
It is upper to fix cable wind rope respectively, and cable wind rope is arranged in a crossed manner, supporting leg includes the supporting leg two that most long supporting leg one and second is grown,
3, jacket contraposition, survey crew from interim measurement platform measure respectively jacket supporting leg one and it is another be easy to observation
Supporting leg, makes supporting leg one just to corresponding wind power foundation piling bar 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, wind power foundation steel to be entered
In stake after certain distance, supporting leg two just to corresponding wind power foundation piling bar, is then slowly being declined again by adjusting cable wind rope, will prop up
Leg two is sunk to inside wind power foundation piling bar, is sunk to after supporting leg two inside wind power foundation piling bar after certain distance, is declined crane ship
Suspension hook makes two other jacket supporting leg also enter 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, installation, diver, which takes pictures, confirms record,
7, remove hook and warn, 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 platform is hung
It is put in measurement position,
2.2, the transport barge of transport catheter frame casts anchor in place,
2.3, operating personnel climb up jacket installation suspender belt,
2.4, operating personnel place U-shaped parallels protection suspender belt,
2.5, suspension hook rises, and operating personnel unbind to jacket,
2.6, and to close to crane ship two supporting legs on respectively fix cable wind rope,
2.7, loop wheel machine, which rises suspension hook, to be sling jacket and is moved to predetermined installation site.
If there is blocking situation about can not decline entering a process in jacket, because hanging ship's tackle for double hook, then by double
Hook or so electric hoisting, and hoist engine is adjusted, make the supporting leg of jacket vertical, jacket is proposed wind power foundation piling bar mouthful, weight
New adjustment decentralization jacket.
The beneficial effects of the invention are as follows：Jacket safety and precise is installed on by this method and is fixed in advance on sea bed
Four wind power foundation piling bars on, the technical barrier that first pile leader frame is installed under water is can effectively solve the problem that, to promoting China southeast
Marine site and deep-sea marine site wind power plant are issued with great impetus.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the general flow chart of the present invention；
Fig. 2 is lifting lifting rope position view；
Fig. 3 conduits rack position lifting connection and instrumentation plan.
Embodiment
Referring to figs. 1 to Fig. 3, the invention discloses a kind of first pile leader frame construction method of installation of offshore wind farm, including it is following
Step：
1, preparation of construction, crane ship 1, the transport barge of transport catheter frame 2 reach the predetermined point near the seat in the plane of job site, if
Interim measurement platform 5 is put, and carries out lifting and measures preparation,
2, jacket 2 is lifted by crane, and jacket 2 is sling to precalculated position by crane ship 1, and two before lifting to jacket 2
Cable wind rope 3 is fixed on supporting leg respectively, and cable wind rope 3 is arranged in a crossed manner, supporting leg includes the supporting leg that most long supporting leg one and second is grown
Two, specifically include following steps：
2.1, crane ship 1 is navigated near seat in the plane after positioning of casting anchor, and interim transport barge casts anchor in the front of crane ship 1, crane ship 1
Lift decoupling device after mark decentralization of the operation platform along wind power foundation piling bar, stabilization.Interim measurement platform 5 hangs attached in seat in the plane
Closely.
2.2, the transport barge of transport catheter frame 2 casts anchor in place,
2.3, operating personnel climb up jacket 2 and install suspender belt, are characterized in particular in：In 2 times placement temporary ladders of jacket to be lifted
Onto the berthing pile cat ladder of jacket 2, personnel are reached by cat ladder in the steel platform of jacket 2.Personnel are in steel platform suspender belt
The tower diagonal brace of jacket 2 is bypassed, instrumentation notes the protection to the component paint of jacket 2.
2.4, operating personnel place the U-shaped protection of parallels 7 suspender belt, the blower fan tower barrel bottom iron that operating personnel pass through 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 operating personnel
Personnel remove afterwards
From tower,
2.5, suspension hook 6 rises, and suspension hook 6 is slowly after raising, operating personnel note the position of the sheath of suspender belt it is whether suitable, it is necessary to
When be adjusted again, hook is completed, and adjustment 1, the stressing conditions of No. 2 main hooks, large arm align the geometric center of jacket 2, hooked up simultaneously
Control stress, then carry out jacket 2 finally unbind, unbind work according to the fixed form of jacket 2 carry out cut fastener or
Person pulls down fixing bolt etc..
2.6, during jacket 2 is unbinded, respectively in bolt cable wind rope 3, heaving pile wind at two supporting legs of crane ship 1
Rope 3 needs to prevent component paint destruction.Cable wind rope 3, which intersects, to be 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 predetermined installation site, and loop wheel machine is slowly hooked up, jacket 2
Leave transport barge deck fixed seat it is about 2 meters high after, transport barge leaves, and crane ship 1 passes through mobile anchor cable and reaches predetermined install
Above seat in the plane, according to lifting situation, suitably adjust 1, No. 2 main hook rope capacities, make its basic horizontal, now cable wind rope 3 connects
It is connected on the default hoist engine 4 of ship side, hangs substantially to precalculated position,
3, jacket 2 is aligned, and survey crew measures supporting leg one and another supporting leg for being easy to observe from interim measurement platform 5 respectively,
Make supporting leg one just to corresponding wind power foundation piling bar 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, wind power foundation to be entered
In piling bar after about 400mm, observe and measure supporting leg two, made by adjusting cable wind rope 3 by supporting leg two just to corresponding wind power foundation steel
Stake, then slowly declines, supporting leg two is sunk to inside wind power foundation piling bar, treat that supporting leg two is sunk to inside wind power foundation piling bar about again
After 600mm, after being positioned by supporting leg one and supporting leg two, declining suspension hook 6 makes two other supporting leg of jacket 2 also enter corresponding wind
Inside electric foundation steel pile, until the entirety of jacket 2 falls on four wind power foundation piling bars, and jacket 2 is set to be substantially at level
State,
If jacket 2 occurs blocking situation about can not decline entering a process, because hanging ship's tackle 6 for double hook, then pass through double hook
Left and right electric hoisting, and hoist engine 4 is adjusted, make the supporting leg of jacket 2 vertical, jacket 2 is proposed wind power foundation piling bar mouthful, weight
New adjustment decentralization jacket 2,
5, measurement correction measures the levelness of jacket 2 by survey crew, notifies diver to entangle if not meeting predeterminated level degree
Just and requirement is reached, be specially：
Diver takes pictures confirmation situation：Such as piling bar has all been implemented, then starts measurement；If three piling bar stress are implemented, another
Piling bar is from stake mouthful within 5cm, and diver with correcting wedge beat padding, and diver observes each supporting leg and piling bar is minimum
There is the compacting of 3-4 points, when compacting point is not enough, with correcting wedge beat and pad and then start to measure,
Survey crew enters tower inner platform, takes to flange at 8 points, and high difference is read with spirit level, is set if flange levelness exceeds
Evaluation, allows diver by increasing and decreasing cushion block leveling jacket 2, specifically exists：Each supporting leg is arranged as required to ultra-thin jack top
Rise, then with dimension steel plate pad, after being encased inside between wind power foundation piling bar and supporting leg, then unload jack and make cushion block pressure
It is real, and the blue disk of proceeding measurement method reaches regulation requirement,
6, installation, after the installation of jacket 2, diver need to photograph to record to supporting leg with piling bar installation situation, clap
It is underwater camera according to equipment, because construction area seawater is more muddy, it is necessary to be equipped with waterproof light and shot, existed if necessary
Add transparent clear water bag before camera.Allow water bag to push down area of taking pictures to be taken pictures.
7, remove hook and warn, decoupling device installs warning lamp, pulls up operation platform, move to next seat in the plane,
The construction method of installation of a kind of jacket 2 provided above the embodiment of the present invention, is described in detail, and herein should
The principle and embodiment of the present invention are set forth with specific case, the explanation of above example is only intended to help and managed
Solve the method and its core concept of the present invention；Simultaneously for those of ordinary skill in the art, according to the thought of the present invention,
It will change in embodiment and application, in summary, this specification content should not be construed as to this hair
Bright limitation.
Claims (3)
1. offshore wind farm elder generation pile leader frame construction method of installation, it is characterised in that：Comprise the following steps：
1, preparation of construction, crane ship, the transport barge of transport catheter frame reach the predetermined point near the seat in the plane of job site, set
Interim measurement platform, and carry out lifting and measure preparation,
2, jacket lifting slings jacket to precalculated position by crane ship, and two supporting legs before lifting to jacket
It is upper to fix cable wind rope respectively, and cable wind rope is arranged in a crossed manner, supporting leg includes the supporting leg two that most long supporting leg one and second is grown,
3, jacket contraposition, survey crew from interim measurement platform measure respectively jacket supporting leg one and it is another be easy to observation
Supporting leg, makes supporting leg one just to corresponding wind power foundation piling bar 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, wind power foundation steel to be entered
In stake after certain distance, supporting leg two just to corresponding wind power foundation piling bar, is then slowly being declined again by adjusting cable wind rope, will prop up
Leg two is sunk to inside wind power foundation piling bar, is sunk to after supporting leg two inside wind power foundation piling bar after certain distance, is declined crane ship
Suspension hook makes two other jacket supporting leg also enter 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, installation, diver, which takes pictures, confirms record,
7, remove hook and warn, 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
It is put in measurement position,
2.2, the transport barge of transport catheter frame casts anchor in place,
2.3, operating personnel climb up jacket installation suspender belt,
2.4, operating personnel place U-shaped parallels protection suspender belt,
2.5, suspension hook rises, and operating personnel unbind to jacket,
2.6, and to close to crane ship two supporting legs on respectively fix cable wind rope,
2.7, loop wheel machine, which rises suspension hook, to be sling jacket and is moved to predetermined installation site.
3. jacket installation construction method according to claim 1, it is characterised in that：In the step 4：If jacket
There is blocking situation about can not decline entering a process, because hanging ship's tackle for double hook, then by double hook or so electric hoisting, and adjust
Whole hoist engine, makes the supporting leg of jacket vertical, and jacket is proposed wind power foundation piling bar mouthful, decentralization jacket is readjusted.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107326887A true CN107326887A (en) | 2017-11-07 |
| CN107326887B CN107326887B (en) | 2019-06-18 |
Family
ID=60196074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710481362.0A Active CN107326887B (en) | 2017-06-22 | 2017-06-22 | Offshore wind farm elder generation pile leader frame construction method of installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107326887B (en) |
Cited By (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 |
| 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 |
| CN110925146A (en) * | 2019-10-22 | 2020-03-27 | 广州文冲船厂有限责任公司 | Offshore wind power jacket supporting seat |
| CN112112186A (en) * | 2020-09-27 | 2020-12-22 | 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 |
| CN113463644A (en) * | 2021-07-07 | 2021-10-01 | 中交第一航务工程局有限公司 | Suspension mounting method for suction pile jacket |
| 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 |
| 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 |
| CN117773440A (en) * | 2024-02-26 | 2024-03-29 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852147A (en) * | 2012-10-09 | 2013-01-02 | 中国海洋石油总公司 | Method for righting jacket by using single cantilever gin pole and double hooks |
| CN103215956A (en) * | 2013-04-03 | 2013-07-24 | 江苏龙源振华海洋工程有限公司 | Multi-pile pile gripper and multi-pile guide pipe frame foundation construction method for shallow wind power farm |
| CN105780802A (en) * | 2014-12-23 | 2016-07-20 | 广州华申建设工程管理有限公司 | Jacket offshore wind turbine foundation with brackets and construction method thereof |
| CN105804111A (en) * | 2016-05-26 | 2016-07-27 | 福建省新能海上风电研发中心有限公司 | Unequal-length-leg offshore wind power jacket foundation and construction method thereof |
| CN106638530A (en) * | 2016-12-29 | 2017-05-10 | 江苏海上龙源风力发电有限公司 | Process for lifting offshore booster station jacket in shallow water |
-
2017
- 2017-06-22 CN CN201710481362.0A patent/CN107326887B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852147A (en) * | 2012-10-09 | 2013-01-02 | 中国海洋石油总公司 | Method for righting jacket by using single cantilever gin pole and double hooks |
| CN103215956A (en) * | 2013-04-03 | 2013-07-24 | 江苏龙源振华海洋工程有限公司 | Multi-pile pile gripper and multi-pile guide pipe frame foundation construction method for shallow wind power farm |
| CN105780802A (en) * | 2014-12-23 | 2016-07-20 | 广州华申建设工程管理有限公司 | Jacket offshore wind turbine foundation with brackets and construction method thereof |
| CN105804111A (en) * | 2016-05-26 | 2016-07-27 | 福建省新能海上风电研发中心有限公司 | Unequal-length-leg offshore wind power jacket foundation and construction method thereof |
| CN106638530A (en) * | 2016-12-29 | 2017-05-10 | 江苏海上龙源风力发电有限公司 | Process for lifting offshore booster station jacket in shallow water |
Cited By (14)
| 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 |
| 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 |
| CN110925146A (en) * | 2019-10-22 | 2020-03-27 | 广州文冲船厂有限责任公司 | Offshore wind power jacket supporting seat |
| 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 |
| CN112112186A (en) * | 2020-09-27 | 2020-12-22 | 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 |
| CN113463644A (en) * | 2021-07-07 | 2021-10-01 | 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 |
| CN117773440A (en) * | 2024-02-26 | 2024-03-29 | 广州文船重工有限公司 | Movable inner container tool for wind power jacket |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107326887B (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107326887B (en) | Offshore wind farm elder generation pile leader frame construction method of installation | |
| EP1356205B1 (en) | Method and apparatus for placing at least one wind turbine on open water | |
| US4744697A (en) | Installation and removal vessel | |
| CN206826891U (en) | A kind of offshore wind turbine single pile pile sinking operation based on barge with deck transformation is refuted | |
| CN104903187B (en) | Tackling system and subsidiary connector lock sub-assembly | |
| CN104527937B (en) | Marine wind turbine whole machine is transported with installing special purpose ship and method | |
| JP6741346B2 (en) | Pile appending system | |
| CN109629568A (en) | The process for sinking of the steady stake platform of offshore wind farm jacket foundation steel pipe pile floating | |
| US9457874B2 (en) | Handling loads in offshore environments | |
| CN112703166A (en) | Lifting block for crane | |
| EP3820770B1 (en) | Device and method for lifting an object from a deck of a vessel subject to movements | |
| CN107089584A (en) | A kind of jacket lifts technology for binding | |
| EP3857061B1 (en) | Method for moving an object between a platform of a wind turbine and a deck of a vessel and frame structure used for coupling of a pulling means | |
| EP2944600B1 (en) | Crane support and crane for use with the crane support | |
| WO2004022421A1 (en) | A cradle for lifting and launching a small watercraft on an exposed marine landing site | |
| CN113915073B (en) | Quick impeller hoisting method for offshore wind power self-elevating platform ship | |
| CN209757445U (en) | Boat davit with recoverable function | |
| JP2023552909A (en) | How to assemble a floating offshore wind farm | |
| CN209778056U (en) | Hoisting lockset for hoisting electric power tower with small shaking amplitude | |
| CN106335608A (en) | Mounting method of seabed anchor | |
| KR200357757Y1 (en) | Ship Lifting system | |
| JP2541897B2 (en) | Installation method of shallow water bowling turret and its turret device | |
| US20240067309A1 (en) | Marine transfer apparatus and method of using the same | |
| AU2014279822A1 (en) | Access support for offshore installations | |
| TWI842720B (en) | Device and method for lifting an object from a deck of a vessel subject to movements |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |