CN105715464A - Lifting method of wind turbine generator - Google Patents
Lifting method of wind turbine generator Download PDFInfo
- Publication number
- CN105715464A CN105715464A CN201610060573.2A CN201610060573A CN105715464A CN 105715464 A CN105715464 A CN 105715464A CN 201610060573 A CN201610060573 A CN 201610060573A CN 105715464 A CN105715464 A CN 105715464A
- Authority
- CN
- China
- Prior art keywords
- tower
- wind turbines
- pylon
- cabin
- wheel hub
- 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
-
- 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
Abstract
The invention relates to a lifting method of a wind turbine generator. After a tower is fixed on a transportation ship, and a hub is mounted on a cabin on the ground of a land area, a first blade and a second blade are mounted on the hub to form a cabin impeller set; then, the cabin impeller set is mounted at the top of the tower by using lifting equipment; and finally, a third blade is mounted on the hub by using the lifting equipment. The lifting method facilitates improvement of the mounting efficiency, reduces the mounting difficulty, and guarantees the whole stability of the wind turbine generator.
Description
Technical field
The present invention relates to technical field of wind power generation, refer in particular to the hanging method of a kind of Wind turbines.
Background technology
The advantages such as along with the fast development of wind power industry, the Open Day of land wind field hastens towards saturation, and marine wind field is high with its wind speed, turbulivity is low, wind shear is little, become the wind power generation field in the urgent need to exploitation.Additionally, along with the single-machine capacity of Wind turbines is gradually increased, the volume and weight of unit each several part also constantly increases, for instance, the weight of one typhoon group of motors complete machine is about 800 tons, and this causes transport Wind turbines and then to attach it to the difficulty of offshore foundation very big at sea.
Load environment relative complex residing for offshore wind farm unit and have very big uncertainty, random non-linear wind load and seaway load all will propose bigger challenge to the security control of offshore wind turbine.Current offshore wind turbine is generally speed-changing oar-changing wind power generating set, has different control models under different operating modes.Generally, below rated wind speed, generator speed can regulate with wind speed change, controls electromotor electromagnetic torque by current transformer, maintains optimum tip-speed ratio, follows the trail of maximal wind-energy.More than rated wind speed, adjust propeller pitch angle by variable blade control system and change blade aerodynamic characteristic, control the wind energy that wind-driven generator absorbs, it is ensured that the output function of Wind turbines and stabilization of speed.But owing to offshore wind turbine is constantly subjected to asymmetric seaway load, affect pylon and the load of basis left and right directions, cause unit vibration, if once wind speed is excessive, may result in the inclination of unit bigger than normal, it is easy to occur the overall tipping of Wind turbines even to cause and ruin machine accident.
The technology of present marine transportation Wind turbines, it is utilize cargo ship by each parts of Wind turbines, such as tower, cabin, blade etc. are transported near offshore foundation, the suspension bracket on the ship near this offshore foundation is sailed with another, or with the marine crane barge near this offshore foundation, each parts of Wind turbines are lifted in order, by after in this Wind turbines integral installation to offshore foundation, then carries out the static test of complete machine and grid-connected debugging.As can be seen here, when utilizing prior art at sea to transport Wind turbines, owing to each parts are to transport separated from each other near offshore foundation, and need cargo ship and another ship equipped with suspension bracket, or carry out closely cooperating just can be finally completed the installation of Wind turbines with the marine crane barge near offshore foundation, therefore prior art is at sea installed during Wind turbines serious by the impact of sea situation, it is not easy to controls Wind turbines stability in the large, causes that installation effectiveness is low.
Summary of the invention
For this, the technical problem to be solved is in that the sea situation that is subject to overcoming prior art wind group of motors affects, cause the problem of Wind turbines entirety instability generation tipping thus provide a kind of affected by sea situation little, the hanging method of the Wind turbines of guarantee Wind turbines stability in the large to the full extent.
For solving above-mentioned technical problem, a kind of hanging method of the Wind turbines of the present invention, wherein said Wind turbines includes pylon, it is arranged on the cabin on described pylon and is arranged on the impeller on described cabin, described pylon is by lower tower, with the interconnective middle tower of described lower tower and upper tower composition interconnective with described middle tower, described impeller includes wheel hub and three blades being arranged on described wheel hub, and described wheel hub is arranged on cabin, it is characterized in that, lifting step is as follows: step S1: be fixed on cargo ship by pylon, and after described wheel hub is arranged on described cabin by ground, land-based area place, again the first blade and the second blade are arranged on described wheel hub and form cabin impeller sets；Step S2: utilize hanging device that described cabin impeller sets is arranged on the top of described pylon；Step S3: utilize hanging device third blade to be mounted on described wheel hub.
In one embodiment of the invention, in described step S1, by well cabinet frame and the equalizer bar that is connected with described well cabinet frame, described pylon is fixed on cargo ship.
In one embodiment of the invention, in described step S1, by floor installation in described well cabinet frame, the lower tower of lifting, make described lower tower be fixed on described base.
In one embodiment of the invention, under lifting during tower, lower tower is lifted in well cabinet frame, then tower in lifting, makes described middle tower and described lower tower be connected with each other.
In one embodiment of the invention, after described middle tower has lifted, hoisting balance beam, make described equalizer bar be connected with described well cabinet frame.
In one embodiment of the invention, during the lifting of described equalizer bar, the particular location of described equalizer bar is determined by the center of gravity of described pylon.
In one embodiment of the invention, after described equalizer bar has lifted, tower in lifting, make described upper tower and described middle tower be connected with each other.
In one embodiment of the invention, in described step S2, utilize hanging device that described cabin impeller sets is arranged on the top of described upper tower.
In one embodiment of the invention, in described step S3, when utilizing hanging device that third blade is lifted, described third blade keeps state to be straight up mounted on described wheel hub.
The technique scheme of the present invention has the advantage that compared to existing technology
The hanging method of Wind turbines of the present invention, after described wheel hub is arranged on described cabin by ground, land-based area place, again the first blade and the second blade are arranged on described wheel hub and form cabin impeller sets, utilize hanging device that described cabin impeller sets is arranged on the top of described pylon, therefore operation on the sea is decreased, be conducive to improving installation effectiveness, reduce installation difficulty.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiments of the invention and in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the schematic diagram of generating set of the present invention；
Fig. 2 is the hanging method flow chart of Wind turbines of the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, the present embodiment provides the hanging method of a kind of Wind turbines, wherein said Wind turbines includes pylon 11, it is arranged on the cabin 12 on described pylon 11 and is arranged on the impeller 13 on described cabin 12, described pylon 11 is by lower tower 11a, with the interconnective middle tower 11b of described lower tower 11a and upper tower 11c composition interconnective with described middle tower 11b, described impeller 13 includes wheel hub and three blades being arranged on described wheel hub, and described wheel hub is arranged on cabin 12, lifting step is as follows: step S1: be fixed on cargo ship by described pylon 11, and after described wheel hub is arranged on described cabin 12 by ground, land-based area place, again the first blade and the second blade are arranged on described wheel hub and form cabin impeller sets；Step S2: utilize hanging device that described cabin impeller sets is arranged on the top of described pylon 11；Step S3: utilize hanging device third blade to be mounted on described wheel hub.
The hanging method of Wind turbines described in the present embodiment, wherein said Wind turbines includes pylon 11, it is arranged on the cabin 12 on described pylon 11 and is arranged on the impeller 13 on described cabin 12, described pylon 11 is by lower tower 11a, with the interconnective middle tower 11b of described lower tower 11a and upper tower 11c composition interconnective with described middle tower 11b, described impeller 13 includes wheel hub and three blades being arranged on described wheel hub, and described wheel hub is arranged on cabin 12, in lifting step S1, described pylon 11 is fixed on cargo ship, the impact not being limited only by sea situation is little, it can be avoided that the rocking of described pylon 11, ensure the stability of described Wind turbines, avoid the inclination of Wind turbines, and be conducive to improving the marine installation efficiency of Wind turbines；And after described wheel hub is arranged on described cabin 12 by ground, land-based area place, again the first blade and the second blade are arranged on described wheel hub and form cabin impeller sets, owing to cabin impeller sets can assemble on ground in advance, therefore assembling difficulty is reduced, change when avoiding operation on the sea that difficulty is big, high in cost of production problem, effectively save built-up time, it is ensured that the stability that Wind turbines is overall, is conducive to improving economy and the safety that wind field is built；In described step S2, utilize hanging device that described cabin impeller sets is arranged on the top of described pylon 11, avoid and first cabin 12 is arranged on described pylon 11, described impeller 13 is arranged on the conventional procedures in cabin 12 again, decrease operation at sea to the full extent, be conducive to improving installation effectiveness, reduce installation difficulty；In described step S3, utilize hanging device third blade to be mounted on described wheel hub, owing to described blade is little compared with miscellaneous equipment, thus being conducive to the lifting of equipment, improving installation effectiveness, being finally completed the installation of whole impeller 13.
In described step S1, by well cabinet frame 14 and the equalizer bar 15 that is connected with described well cabinet frame 14, described pylon 11 is fixed on cargo ship.Specifically, described lower tower 11a is positioned at well cabinet frame 14, described well cabinet frame 14 is for fixing the lower end of described pylon 11, described pylon 11 is provided with and the described orthogonal equalizer bar 15 of pylon 11 short transverse, the described pylon 11 described equalizer bar 15 of traverse, described equalizer bar 15 can fix the middle-end of described pylon 11, and described equalizer bar 15 is connected with described well cabinet frame 14, so that described pylon 11 is further affixed in the framework being made up of described well cabinet frame 14 and described equalizer bar 15, even if sea situation is complicated, owing to described pylon 11 is fixed by described well cabinet frame 14 at left and right directions, fixed by described equalizer bar 15 at fore-and-aft direction, therefore, it is possible to avoid described pylon 11 rocking in the horizontal direction, prevent the inclination of Wind turbines, it is effectively ensured the stability that Wind turbines is overall.
In order to further prevent the inclination of described Wind turbines, in described step S1, base 16 is arranged in described well cabinet frame 14, the lower tower 11a of lifting, makes described lower tower 11a be fixed on described base 16.Specifically, the bottom of described lower tower 11a is positioned at base 16, and described base 16 is positioned at the space that described well cabinet frame 14 surrounds, described lower tower 11a is arranged on described base 16, Wind turbines is made to be positioned on described base 16, such that it is able to prevent described pylon 11 from rocking in the vertical direction, it is prevented that the inclination of Wind turbines, ensure the stability that Wind turbines is overall to the full extent.In order to ensure the stability of described Wind turbines, described well cabinet frame 14 and described base 16 are both secured to carry on the cargo ship of described Wind turbines.
In the present embodiment, described equalizer bar 15 includes control system and the hydraulic system being connected with described control system, can control described hydraulic system by described control system and wind power generating set is carried out anchor ear, it is ensured that navigation safety.Specifically, described control system is connected with the mster-control centre on the cargo ship carrying described Wind turbines by data wire, just wind power generating set can be carried out anchor ear thereby through the mster-control centre on hull, facilitate operative；Described hydraulic system includes embracing hoop device assembly, wind power generating set can be carried out anchor ear by described embracing hoop device assembly, it is ensured that navigation safety.
In the present embodiment, described cabin 12 is positioned on described upper tower 11c, described equalizer bar 15 described middle tower 11b and described between tower 11c, the middle-end of described pylon 11 can be fixed by described equalizer bar 15, the particular location of described equalizer bar 15 is relevant with the total height of described pylon 11, in order to avoid inclination or the bending of pylon 11, the optimum position of described equalizer bar 15 is in the center of gravity of described pylon 11.
Described well cabinet frame 14 includes the first support 14a and the second support 14b identical with described first support 14a structure, and described first support 14a and described second support 14b is symmetrically distributed in the both sides of described pylon 11, thus being conducive to making described Wind turbines keep balance, increase stability.
Under described lifting during tower 11a, being lifted in well cabinet frame 14 by described lower tower 11a, described well cabinet frame 14, for fixing the lower end of described pylon 11, keeps stablizing of described pylon 11 lower end, then tower 11b in lifting, makes described middle tower 11 be connected with each other with described lower tower 11a；After described middle tower 11b has lifted, hoisting balance beam 15, described equalizer bar 15 can fix the middle-end of described pylon 11, and described equalizer bar 15 is connected with described well cabinet frame 14, described pylon 11 can be made to be fixed in the framework being made up of described well cabinet frame 14 and described equalizer bar 15, it is possible to be prevented effectively from described pylon 11 rocking in the horizontal direction；When wherein said equalizer bar 15 lifts, the particular location of described equalizer bar 15 is determined by the center of gravity of described pylon 11, such that it is able to be prevented effectively from inclination or the bending of pylon 11.After described equalizer bar 15 has lifted, lifting described upper tower 11c, making described upper tower 11c and described middle tower 11b be connected with each other, thus completing the lifting of described pylon 11.
In described step S2, utilize hanging device that described cabin impeller sets is arranged on the top of described upper tower 11c, owing to described pylon 11 is fixed on cargo ship, described cabin impeller sets is arranged on the top of described pylon 11, advantageously reduce installation steps, reduced operation at sea to the full extent, thus suitably reducing installation difficulty, it is possible to prevent the inclination of Wind turbines, ensures the stability that Wind turbines is overall to the full extent.
In described step S3, when utilizing hanging device that third blade is lifted, described third blade keeps state to be straight up mounted on described wheel hub, is conducive to making described impeller 13 keep balance in hoisting process.
To sum up, technical scheme of the present invention has the advantage that
1. the hanging method of Wind turbines of the present invention, described Wind turbines includes pylon, it is arranged on the cabin on described pylon and is arranged on the impeller on described cabin, described pylon is by lower tower, with the interconnective middle tower of described lower tower and upper tower composition interconnective with described middle tower, described impeller includes wheel hub and three blades being arranged on described wheel hub, and described wheel hub is arranged on cabin, in lifting step S1, described pylon is fixed on cargo ship, the impact not being limited only by sea situation is little, it can be avoided that the rocking of described pylon, ensure the stability of described Wind turbines, avoid the inclination of Wind turbines, and be conducive to improving the marine installation efficiency of Wind turbines；And after described wheel hub is arranged on described cabin by ground, land-based area place, again the first blade and the second blade are arranged on described wheel hub and form cabin impeller sets, owing to cabin impeller sets can assemble on ground in advance, therefore assembling difficulty is reduced, change when avoiding operation on the sea that difficulty is big, high in cost of production problem, effectively save built-up time, it is ensured that the stability that Wind turbines is overall, is conducive to improving economy and the safety that wind field is built；In described step S2, utilize hanging device that described cabin impeller sets is arranged on the top of described pylon, decrease operation at sea to the full extent, be conducive to improving installation effectiveness, reduce installation difficulty；In described step S3, utilize hanging device third blade to be mounted on described wheel hub, owing to described blade is little compared with miscellaneous equipment, thus being conducive to the lifting of equipment, improving installation effectiveness, being finally completed the installation of whole impeller.
2. the hanging method of Wind turbines of the present invention, by well cabinet frame and the equalizer bar that is connected with described well cabinet frame, described pylon is fixed on cargo ship, so that described pylon is further affixed in the framework being made up of described well cabinet frame and described equalizer bar, even if sea situation is complicated, owing to described pylon is fixed by described well cabinet frame at left and right directions, fixed by described equalizer bar at fore-and-aft direction, therefore, it is possible to avoid described pylon rocking in the horizontal direction, prevent the inclination of Wind turbines, be effectively ensured the stability that Wind turbines is overall.
Obviously, above-described embodiment is only for clearly demonstrating example, not the restriction to embodiment.For those of ordinary skill in the field, other multi-form change or variation can also be made on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change thus extended out or variation are still among the protection domain of the invention.
Claims (9)
1. the hanging method of a Wind turbines, wherein said Wind turbines includes pylon, be arranged on described pylon cabin and be arranged on the impeller on described cabin, described pylon forms by lower tower and the interconnective middle tower of described lower tower and with the interconnective upper tower of described middle tower, described impeller includes wheel hub and three blades being arranged on described wheel hub, and described wheel hub is arranged on cabin, it is characterized in that, lifting step is as follows:
Step S1: pylon is fixed on cargo ship, and after described wheel hub is arranged on described cabin by ground, land-based area place, then the first blade and the second blade are arranged on described wheel hub and form cabin impeller sets；
Step S2: utilize hanging device that described cabin impeller sets is arranged on the top of described pylon；
Step S3: utilize hanging device third blade to be mounted on described wheel hub.
2. the hanging method of Wind turbines according to claim 1, it is characterised in that: in described step S1, by well cabinet frame and the equalizer bar that is connected with described well cabinet frame, described pylon is fixed on cargo ship.
3. the hanging method of Wind turbines according to claim 2, it is characterised in that: in described step S1, by floor installation in described well cabinet frame, the lower tower of lifting, make described lower tower be fixed on described base.
4. the hanging method of Wind turbines according to claim 3, it is characterised in that: during the lower tower of lifting, lower tower is lifted in well cabinet frame, then tower in lifting, makes described middle tower and described lower tower be connected with each other.
5. the hanging method of Wind turbines according to claim 4, it is characterised in that: after described middle tower has lifted, hoisting balance beam, make described equalizer bar be connected with described well cabinet frame.
6. the hanging method of Wind turbines according to claim 5, it is characterised in that: during the lifting of described equalizer bar, the particular location of described equalizer bar is determined by the center of gravity of described pylon.
7. the hanging method of Wind turbines according to claim 5, it is characterised in that: after described equalizer bar has lifted, tower in lifting, make described upper tower and described middle tower be connected with each other.
8. the hanging method of Wind turbines according to claim 1, it is characterised in that: in described step S2, utilize hanging device that described cabin impeller sets is arranged on the top of described upper tower.
9. the hanging method of Wind turbines according to claim 1, it is characterised in that: in described step S3, when utilizing hanging device that third blade is lifted, described third blade keeps state to be straight up mounted on described wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060573.2A CN105715464B (en) | 2016-01-28 | 2016-01-28 | The hanging method of Wind turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060573.2A CN105715464B (en) | 2016-01-28 | 2016-01-28 | The hanging method of Wind turbines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105715464A true CN105715464A (en) | 2016-06-29 |
| CN105715464B CN105715464B (en) | 2018-12-18 |
Family
ID=56155131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610060573.2A Active CN105715464B (en) | 2016-01-28 | 2016-01-28 | The hanging method of Wind turbines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105715464B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196177A (en) * | 2006-12-08 | 2008-06-11 | 天津市海恩海洋工程技术服务有限公司 | Installation construction method for wind generator set on the sea |
| CN102079477A (en) * | 2009-11-27 | 2011-06-01 | 三一电气有限责任公司 | Fan holding and lifting device and mobile overwater operation platform |
| CN102536688A (en) * | 2012-02-14 | 2012-07-04 | 江苏海上龙源风力发电有限公司 | Rabbit ear type assembling and mounting process for offshore wind driven generation units |
| EP2672114A1 (en) * | 2011-02-04 | 2013-12-11 | Hitachi, Ltd. | Wind turbine facility |
-
2016
- 2016-01-28 CN CN201610060573.2A patent/CN105715464B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196177A (en) * | 2006-12-08 | 2008-06-11 | 天津市海恩海洋工程技术服务有限公司 | Installation construction method for wind generator set on the sea |
| CN102079477A (en) * | 2009-11-27 | 2011-06-01 | 三一电气有限责任公司 | Fan holding and lifting device and mobile overwater operation platform |
| EP2672114A1 (en) * | 2011-02-04 | 2013-12-11 | Hitachi, Ltd. | Wind turbine facility |
| CN102536688A (en) * | 2012-02-14 | 2012-07-04 | 江苏海上龙源风力发电有限公司 | Rabbit ear type assembling and mounting process for offshore wind driven generation units |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105715464B (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2016279059B2 (en) | Floating wind turbine platform structure with optimized transfer of wave and wind loads | |
| CN102030291B (en) | Offshore wind turbine transport and installation platform | |
| JP5866400B2 (en) | Method for assembling and transporting offshore wind turbines | |
| US20160195070A1 (en) | Flare-type tensile legs floating wind turbine base, offshore wind turbine and construction method | |
| CN103010417A (en) | Offshore wind power floating foundation suitable for small water plane with water depth below 100m | |
| CN102459869A (en) | Offshore wind turbine installation | |
| CN102079368B (en) | Wind turbine installation vessel and gravity center adjusting devices for same | |
| Zhao et al. | Effects of second-order hydrodynamics on an ultra-large semi-submersible floating offshore wind turbine | |
| WO2013137744A1 (en) | Floating wind turbine with wave energy converter | |
| CN111646370A (en) | Multifunctional wave compensation device on sea | |
| CN103057672A (en) | Platform for transportation and installation of offshore fan unit complete machine | |
| CN104816797A (en) | Offshore wind driven generator set and mounting method thereof | |
| CN113339200B (en) | Ultra-large semi-submersible floating wind turbine foundation based on tuned mass damper | |
| CN102139829A (en) | Flexible installation system for offshore wind turbine generator set and application thereof | |
| CN201615033U (en) | Flexible installing system of off-shore wind turbine generator system | |
| CN102536688A (en) | Rabbit ear type assembling and mounting process for offshore wind driven generation units | |
| KR20170126883A (en) | A wind power plant | |
| JP7202551B1 (en) | Floating offshore wind power generator | |
| EP3311024B1 (en) | Portable and modular hoisting assembly for a wind turbine | |
| CN105736249B (en) | Wind turbines and the cargo ship and hanging method for carrying the Wind turbines | |
| CN105129629A (en) | Large component lifting system, disassembling method thereof and large component lifting method | |
| CN203844964U (en) | Mother-child dual-float integrated vessel for overall transportation and installation of offshore wind generating sets | |
| CN105715464A (en) | Lifting method of wind turbine generator | |
| CN207267525U (en) | Multicolumn spar type floating fan platforms | |
| JP2019210810A (en) | Hanger jig for ocean wind power generator tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230918 Address after: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Patentee after: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Patentee after: NINGBO BRANCH, CCCC NO.3 HARBOR ENGINEERING CO.,LTD. Address before: No.462, Yanjiang East Road, Zhenhai District, Ningbo, Zhejiang 315000 Patentee before: NINGBO BRANCH, CCCC NO.3 HARBOR ENGINEERING CO.,LTD. |