CN104326057A - Transportation structure, transportation method and mounting method of offshore wind generating set - Google Patents
Transportation structure, transportation method and mounting method of offshore wind generating set Download PDFInfo
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- CN104326057A CN104326057A CN201410450164.4A CN201410450164A CN104326057A CN 104326057 A CN104326057 A CN 104326057A CN 201410450164 A CN201410450164 A CN 201410450164A CN 104326057 A CN104326057 A CN 104326057A
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Abstract
The invention provides a transportation structure, a transportation method and a mounting method of an offshore wind generating set. The transportation structure of the offshore wind generating set provided by the invention is characterized in that a first structural body, a second structural body and a third structural body are arranged on a deck respectively; the first structural body comprises a first bracket, a cabin and a generator; the first bracket is arranged on the deck; the cabin is assembled on the first bracket; the generator is assembled together with the cabin; the second structural body comprises a second bracket, a hub and two blades; the second bracket is arranged on the deck; a variable-pitch bearing on the hub is assembled on the second bracket; the two blades are assembled on another two variable-pitch bearings on the hub respectively; the third structural body comprises blades. Components of the wind generating set are transported by adopting the three structural bodies respectively, and constituting components of the wind generating set do not need to be disassembled and assembled temporarily for hoisting on a condition-restricted site, thereby increasing the hoisting efficiency.
Description
Technical field
The present invention relates to transport structure and transportation resources, particularly relate to the transport structure of offshore wind turbine, transportation resources and installation method.
Background technology
Impeller is one of constituent elements of wind power generating set, and it generally comprises blade and wheel hub.Along with the progressively maximization of wind power generating set, the length of blade of these wind power generating set is usually tens meters of rice even up to a hundred, and therefore, the transport of wind power generating set and installation are than relatively large engineering.
When installing these wind power generating set, cabin, electrical generator and impeller generally need successively lifting separately to get on to assemble.When wind power generating set is installed at present on land, in order to lift impeller, general employing cloverleaf hanging method, cloverleaf lifting need installation base by wheel hub and three blades assembled good, specifically need when lifting to use two respective independently suspension hooks, wherein first suspension hook connects two suspender belts, these two suspender belts connect the root (part be namely connected with wheel hub) of wherein two blades respectively, the suspender belt of second suspension hook connection is connected near the part of blade tip with the 3rd blade, when lifting, first two suspension hooks promote simultaneously, impeller level is sling, then, second suspension hook declines, first suspension hook continues to promote simultaneously, impeller is made to overturn nearly 90 °, pine second suspension hook afterwards, in place by first hook impeller.
But directly drive in the process of unit at installation sea, contriver finds, for marine unit, what the distant installation project of offshore adopted is jack up ship, and the hull of this ship is with jack up spud leg, and therefore the area on deck is less, there is no enough space assembly cloverleaf impellers, and the main suspension hook of this installation ship is single hook, there is no two independently suspension hooks, so the cloverleaf lifting of impeller can not be realized.
Also a kind of scheme utilizing single hook block dress sea directly to drive unit is had at present, it adopts a word beam or rood beam first to lift the assembly parts of wherein two blades of cabin, electrical generator, wheel hub and three blades as suspender, is lifted separately by the 3rd blade afterwards with another suspender.This Hoisting Program only can adopt a suspension hook, but contriver finds wherein also to there is larger defect in practice: due to cabin, electrical generator, wheel hub and two blades, weight is too large altogether, in order to lift, needing must be larger by the size design of the hanger on wheel hub and engine room foundation, but produces a lot of contradiction between meeting and the former design of wind power generating set like this.Such as wheel hub, the requirement that wheel hub will meet strength at repeated alternation could ensure its service life, if but the hanger larger on wheel hub, its strength at repeated alternation will reduce, according to actual computation, if contriver finds the hanger size added on big hub, the strength at repeated alternation of wheel hub will out of reach requirement, and the strength at repeated alternation of wheel hub to meet the demands be one of them essential condition of wind power generating set design.And for electrical generator, adopt the hanger lifting on electrical generator can cause the distortion of generator amature, affect the air gap of electrical generator, be also unfavorable for the performance ensureing electrical generator.And the hanger larger on engine room foundation can be subject to the restriction in space in cabin, easily cause and mutually interfere with miscellaneous part in cabin.
In order to the lifting utilizing single suspension hook to realize wind power generating set, and avoid producing contradiction with former design of wind power generating set, contriver contemplates a kind of new Hoisting Program also do not applied for a patent and lifts to utilize single suspension hook: first lift once the assembly parts of cabin and electrical generator, then the assembly parts of wheel hub and two blades is lifted once, once to the 3rd leaf blade hanging finally.
In the process realizing this new Hoisting Program, contriver finds, before this new Hoisting Program of enforcement, needs wind power generating set to be transported to marine installation seat in the plane place.But due to the design of this Hoisting Program itself be new, the traffic program do not matched with this Hoisting Program in the prior art, therefore existing traffic program can not coordinate this new Hoisting Program effectively.
Summary of the invention
The object of the present invention is to provide and a kind ofly above-mentioned new Hoisting Program can be coordinated to improve the transport structure of offshore wind turbine and the transportation resources of lifting efficiency and to provide a kind of installation method improving the offshore wind turbine of lifting efficiency.
To achieve these goals, the invention provides a kind of transport structure of offshore wind turbine, it is respectively equipped with the first structure, the second structure and the 3rd structure above deck;
Described first structure comprises the first support, cabin and electrical generator, and described first Bracket setting is on described deck, and described cabin is assemblied on described first support, and described electrical generator and described cabin are assembled;
Described second structure comprises the second support, wheel hub and two blades, described second Bracket setting is on described deck, a pitch variable bearings on described wheel hub is assemblied on described second support, and described two blades are assemblied on two other pitch variable bearings on described wheel hub respectively;
Described 3rd structure comprises blade.
The transport structure of offshore wind turbine provided by the invention, the number of the blade in wherein said 3rd structure can be multiple, and described multiple blade stacks setting.
The transport structure of offshore wind turbine provided by the invention, the number of the blade in the number of wherein said first structure, the number of described second structure and described 3rd structure can be all equal.
The transport structure of offshore wind turbine provided by the invention, wherein said offshore wind turbine can be permanent magnet direct-drive wind-force generating unit.
The transport structure of offshore wind turbine provided by the invention, wherein can keep flat foundation pile on described deck, and described deck can stand up multistage tower cylinder.
The transport structure of offshore wind turbine provided by the invention, first support of wherein said first structure, second support of described second structure and wherein a part of described tower cylinder all can be positioned at the front area on described deck, a blade forward upward in described second structure stretches out, another blade in described second structure stretches out rearwardly and upwardly, described 3rd structure, described foundation pile and wherein tower cylinder described in another part are all positioned at the Background Region on described deck, the blade of described foundation pile and the 3rd structure is arranged all along the longitudinal direction.
The transport structure of offshore wind turbine provided by the invention, the number of described second structure is multiple, wherein a part of second structure can be positioned at the left field on described deck, wherein another part second structure is positioned at the right side area on described deck, and the tower cylinder of described first structure and the front area on described deck is all between described two parts second structure.
The transport structure of offshore wind turbine provided by the invention, the tower cylinder of the Background Region on wherein said 3rd structure and described deck can lay respectively at left field on described deck and right side area, between the tower cylinder of the Background Region of described foundation pile on described 3rd structure and described deck.
The invention provides a kind of transportation resources of offshore wind turbine, it uses the transport structure of arbitrary above-mentioned offshore wind turbine to transport.
The invention provides a kind of transportation resources of offshore wind turbine, it comprises the following steps:
Cabin is assemblied on the first support, electrical generator and cabin is assembled, obtains the first structure;
By the pitch variable bearings assembling of on wheel hub on the secondary support bracket, two blades are assemblied in respectively on two other pitch variable bearings on described wheel hub, obtain the second structure;
By described first structure, described second structure with comprise vaned 3rd structure and be lifted into respectively on deck;
Deck is made to move to target location.
The invention provides a kind of transportation resources of offshore wind turbine, it comprises the following steps:
Cabin is assemblied on the first support, electrical generator and cabin is assembled, obtains the first structure;
By the pitch variable bearings assembling of on wheel hub on the secondary support bracket, two blades are assemblied in respectively on two other pitch variable bearings on described wheel hub, obtain the second structure;
Multiple blade is stacked, obtains the 3rd structure;
Described 3rd structure, the first structure described at least one and the second structure described at least one are lifted on deck respectively;
Lifted by multiple foundation pile and lie on described deck, the lifting of multistage tower cylinder being existed side by side is placed on described deck;
Deck is made to move to target location.
The invention provides a kind of installation method of offshore wind turbine, it comprises the following steps:
Use the transport structure of arbitrary above-mentioned offshore wind turbine that offshore wind turbine is transported to installation site;
Cabin in described first structure and described first support are taken apart, and the cabin being equipped with electrical generator is lifted by crane and is assembled to the top of pylon;
Pitch variable bearings on wheel hub in described second structure and described second support are taken apart, and the wheel hub being equipped with two blades is lifted by crane and is assembled on described electrical generator;
Blade in described 3rd structure is lifted by crane and is assembled to not installing on the pitch variable bearings of blade on described wheel hub.
The main beneficial effect of the transport structure of above-mentioned offshore wind turbine provided by the invention is, the transport structure of offshore wind turbine provided by the invention can be used for transporting offshore wind turbine, and the new Hoisting Program that contriver can be coordinated to visualize is to improve lifting efficiency.The transport structure of offshore wind turbine provided by the invention adopts the parts of three kinds of structures to wind power generating set to transport respectively, three lifting steps of these three kinds of structures new Hoisting Program of visualizing of corresponding contriver respectively, go the constituent elements of interim dismounting wind power generating set to coordinate lifting without the need to the scene limited in condition, the efficiency of lifting can be improved.
The transportation resources of offshore wind turbine provided by the invention goes the constituent elements of interim dismounting wind power generating set to coordinate lifting without the need to the scene limited in condition, and the new Hoisting Program that contriver can be coordinated to visualize is to improve lifting efficiency.
The installation method of offshore wind turbine provided by the invention can transport and install offshore wind turbine, go the constituent elements of interim dismounting wind power generating set to coordinate lifting without the need to the scene limited in condition, lifting efficiency can be improved, avoid and the many negative consequences brought because hanger is excessive.
Accompanying drawing explanation
Fig. 1 is the perspective view of the transport structure of the offshore wind turbine of the embodiment of the present invention;
Fig. 2 is the perspective view of the first structure of the embodiment of the present invention;
Fig. 3 is the perspective view of the second structure of the embodiment of the present invention;
Fig. 4 is the perspective view of the 3rd structure of the embodiment of the present invention.
Drawing reference numeral illustrates:
1-deck; 2-first structure; 21-first support; 22-cabin; 23-electrical generator; 3-second structure; 31-second support; 32-wheel hub; 4-the 3rd structure; 5-blade; 6-foundation pile; Section tower cylinder at the bottom of 71-; 72-stage casing tower cylinder; 73-pushes up section tower cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the transport structure of the offshore wind turbine of the embodiment of the present invention, transportation resources and installation method are described in detail.
As shown in Figures 1 to 4, the transport structure of the offshore wind turbine of the embodiment of the present invention, it is respectively equipped with the first structure 2 on deck 1, second structure 3 and the 3rd structure 4, first structure 2 comprises the first support 21, cabin 22 and electrical generator 23, first support 21 is arranged on deck 1, cabin 22 is assemblied on the first support 21, electrical generator 23 and cabin 22 are assembled, second structure 3 comprises the second support 31, wheel hub 32 and two blades 5, second support 31 is arranged on deck 1, a pitch variable bearings on wheel hub 32 is assemblied on the second support 31, two blades 5 are assemblied on two other pitch variable bearings on wheel hub 32 respectively, 3rd structure 4 comprises blade 5.
The transport structure of the offshore wind turbine that the embodiment of the present invention provides can be used for transporting offshore wind turbine, and the new Hoisting Program that contriver can be coordinated to visualize is to improve lifting efficiency.The transport structure of the offshore wind turbine that the embodiment of the present invention provides adopts the parts of three kinds of structures to wind power generating set to transport respectively, wherein the first structure 2 adopts the first support 21 to transport the assembly parts of cabin 22 and electrical generator 23, second structure 3 adopts the second support 31 to transport the assembly parts of wheel hub 32 and two blades 5, other blade 5 is stacked transport by the 3rd structure 4, three lifting steps of these three kinds of structures new Hoisting Program of visualizing of corresponding contriver respectively, only the attaching parts of cabin 22 and the first support 21 need be dismantled when needing lifting cabin 22 and electrical generator 23, only need the attaching parts of wheel hub 32 and the second support 31 to dismantle when needing lifting wheel hub 32 and two blades 5, only need to take from the 3rd structure 4 when needs lifting the 3rd blade 5, go the constituent elements of interim dismounting wind power generating set to coordinate lifting without the need to the scene limited in condition, the efficiency of lifting can be improved.
Particularly, the number of the blade 5 in the 3rd structure 4 can be one.As shown in Figure 4, preferably, the number of the blade 5 in the 3rd structure 4 can be multiple, and the plurality of blade 5 stacks setting, and multiple blade 5 stacks to arrange can save shared floor space, makes the layout of transport structure relatively compacter.
Particularly, the number of the blade 5 in the number of the first structure 2, the number of the second structure 3 and the 3rd structure 4 can be unequal.Preferably, the number of the blade 5 in the number of the first structure 2, the number of the second structure 3 and the 3rd structure 4 can be all equal, can transport one or more sets offshore wind turbines like this on same deck.When the number of the blade 5 in the number of the first structure 2, the number of the second structure 3 and the 3rd structure 4 is one, then there is a set of offshore wind turbine above deck.
Particularly, the offshore wind turbine of the present embodiment can be double-feedback aerogenerator group or half direct-drive aerogenerator group.Preferably, the offshore wind turbine of the present embodiment can be permanent magnet direct-drive wind-force generating unit, the electrical generator volume of permanent magnet direct-drive wind-force generating unit and quality larger, according to the explanation in background technology, it needs the new Hoisting Program adopting contriver to visualize to lift more urgently.See Fig. 2, usually, for permanent-magnetic wind driven generator group, the electrical generator 23 in the first structure 2 is positioned at the outside in cabin 22.
As shown in Figure 1, further, deck 1 can keep flat foundation pile 6, deck 1 can stand up multistage tower cylinder, for offshore wind turbine, its foundation pile 6 is general very long, lain on deck 1 and can be reduced its height of gravitational center, reduce colligation and supporting construction, ensure that transport steadily, and the length of tower cylinder is generally short than the length of foundation pile 6, but each section of tower cylinder length is altogether generally long than foundation pile, tower cylinder is stood up respectively the floor space that can to reduce on deck 1 shared by it, make the layout of whole transport structure can be relatively compacter.Preferably, the quantity of tower cylinder can be three times of the quantity of the first structure 2, and namely often overlap the corresponding three sections of tower cylinders of blower fan, every three sections of tower cylinders can form a pylon.Particularly, as shown in Figure 1, these three sections of tower cylinders can be respectively end section tower cylinder 71, stage casing tower cylinder 72 and top section tower cylinder 73.
The transport structure of the offshore wind turbine of the present embodiment has done further improvement to the layout of each parts on deck 1, as shown in Figure 1, first support 21 of the first structure 2, second support 31 of the second structure 3 and wherein a part of tower cylinder are all positioned at the front area on deck 1, blade 5 forward upward in second structure 3 stretches out, another blade 5 in second structure 3 stretches out rearwardly and upwardly, 3rd structure 4, foundation pile 6 and wherein another part tower cylinder are all positioned at the Background Region on deck 1, the blade 5 of foundation pile 6 and the 3rd structure 4 is arranged all along the longitudinal direction, this layout type makes the mass distribution of each parts on deck 1 even, characteristics of compact layout and mutually not interfering.Traditionally, being readily appreciated that in the present embodiment that said "front", "rear" is with bow for " front ", is " afterwards " with stern.Particularly, the tower cylinder being positioned at the front area on deck 1 can be top section tower cylinder 73, and the tower cylinder being positioned at the Background Region on deck 1 can be end section tower cylinder 71 and stage casing tower cylinder 72.
As shown in Figure 1, further, the number of the second structure 3 can be multiple (such as shown in Fig. 1 being three), wherein a part of second structure 3 can be positioned at the left field on deck 1, wherein another part second structure 3 can be positioned at the right side area on deck 1, the tower cylinder of the first structure 2 and the front area on deck 1 is between this two parts second structure 3, two blades stretched out 5 of such second structure 3 can play the protective effect being similar to fence, first structure 2 and top section tower cylinder 73 can be trapped among centre by two parts second structure 3.
Further, the tower cylinder of the Background Region on the 3rd structure 4 and deck 1 lays respectively at left field on deck 1 and right side area, between the tower cylinder of the Background Region of foundation pile 6 on the 3rd structure 4 and deck 1, such layout can make foundation pile 6 be subject to the stop of the parts of the left and right sides and can not roll, in addition when lifting foundation pile 6, the foundation pile 6 holded up also can not interfere with the blade 5 stretched out rearwardly and upwardly of the second structure 3.
Be subject to the size restriction of general ships that transport, usually, the tricks of wind power generating set can be a set of to five covers.Preferably, the number of the first structure 2 can be three, namely the tricks of offshore wind turbine can be three covers, the general offshore of project of marine unit is distant, once transport three cover wind power generating set and can reduce the traffic cost spent while ensureing conveying efficiency, as more economical boats and ships can be selected to transport, and the installation ship of installed position can just complete the installation of three cover wind power generating set by day, and ships that transport can be returned in time.
Particularly, when actual shipment, deck 1 can also arrange suspender, electric-control cabinet body etc. that follow-up lifting will be used.
Above-mentioned " transport structure of offshore wind turbine " that the embodiment of the present invention provides also can be called as " conveying arrangement of offshore wind turbine ".
The transportation resources of the offshore wind turbine of the embodiment of the present invention, it uses the transport structure of the offshore wind turbine of arbitrary above-described embodiment to transport.
The transportation resources of offshore wind turbine provided by the invention goes the constituent elements of interim dismounting wind power generating set to coordinate lifting without the need to the scene limited in condition, and the new Hoisting Program that contriver can be coordinated to visualize is to improve lifting efficiency.
The transportation resources of the offshore wind turbine of the embodiment of the present invention, it can comprise the following steps:
Cabin is assemblied on the first support, electrical generator and cabin is assembled, obtains the first structure;
By the pitch variable bearings assembling of on wheel hub on the secondary support bracket, two blades are assemblied in respectively on two other pitch variable bearings on described wheel hub, obtain the second structure;
By described first structure, described second structure with comprise vaned 3rd structure and be lifted into respectively on deck;
Deck is made to move to target location.
The transportation resources of the offshore wind turbine of the embodiment of the present invention, it can comprise the following steps:
Cabin is assemblied on the first support, electrical generator and cabin is assembled, obtains the first structure;
By the pitch variable bearings assembling of on wheel hub on the secondary support bracket, two blades are assemblied in respectively on two other pitch variable bearings on described wheel hub, obtain the second structure;
Multiple blade is stacked, obtains the 3rd structure;
Described 3rd structure, the first structure described at least one and the second structure described at least one are lifted on deck respectively;
Lifted by multiple foundation pile and lie on described deck, the lifting of multistage tower cylinder being existed side by side is placed on described deck;
Deck is made to move to target location.
Particularly, the layout of each parts in the transport structure of the offshore wind turbine of above-described embodiment be realized, make when lifting each parts be positioned at corresponding position, not repeating them here.
The installation method of the offshore wind turbine of the embodiment of the present invention, it comprises the following steps:
Use the transport structure of the offshore wind turbine of arbitrary above-described embodiment that offshore wind turbine is transported to installation site;
Cabin in described first structure and described first support are taken apart, and the cabin being equipped with electrical generator is lifted by crane and is assembled to the top of pylon;
Pitch variable bearings on wheel hub in described second structure and described second support are taken apart, and the wheel hub being equipped with two blades is lifted by crane and is assembled on described electrical generator;
Blade in described 3rd structure is lifted by crane and is assembled to not installing on the pitch variable bearings of blade on described wheel hub.
The installation method of offshore wind turbine provided by the invention can transport and install offshore wind turbine, go the constituent elements of interim dismounting wind power generating set to coordinate lifting without the need to the scene limited in condition, lifting efficiency can be improved, avoid and the many negative consequences brought because hanger is excessive.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (12)
1. a transport structure for offshore wind turbine, is characterized in that, is respectively equipped with the first structure, the second structure and the 3rd structure above deck;
Described first structure comprises the first support, cabin and electrical generator, and described first Bracket setting is on described deck, and described cabin is assemblied on described first support, and described electrical generator and described cabin are assembled;
Described second structure comprises the second support, wheel hub and two blades, described second Bracket setting is on described deck, a pitch variable bearings on described wheel hub is assemblied on described second support, and described two blades are assemblied on two other pitch variable bearings on described wheel hub respectively;
Described 3rd structure comprises blade.
2. the transport structure of offshore wind turbine according to claim 1, is characterized in that, the number of the blade in described 3rd structure is multiple, and described multiple blade stacks setting.
3. the transport structure of offshore wind turbine according to claim 1, is characterized in that, the number of the blade in the number of described first structure, the number of described second structure and described 3rd structure is all equal.
4. the transport structure of offshore wind turbine according to claim 1, is characterized in that, described offshore wind turbine is permanent magnet direct-drive wind-force generating unit.
5. the transport structure of offshore wind turbine according to claim 1, is characterized in that, described deck has kept flat foundation pile, and described deck has stood up multistage tower cylinder.
6. the transport structure of offshore wind turbine according to claim 5, it is characterized in that, first support of described first structure, second support of described second structure and wherein a part of described tower cylinder are all positioned at the front area on described deck, a blade forward upward in described second structure stretches out, another blade in described second structure stretches out rearwardly and upwardly, described 3rd structure, described foundation pile and wherein tower cylinder described in another part are all positioned at the Background Region on described deck, the blade of described foundation pile and the 3rd structure is arranged all along the longitudinal direction.
7. the transport structure of offshore wind turbine according to claim 6, it is characterized in that, the number of described second structure is multiple, wherein a part of second structure is positioned at the left field on described deck, wherein another part second structure is positioned at the right side area on described deck, and the tower cylinder of described first structure and the front area on described deck is all between described two parts second structure.
8. the transport structure of the offshore wind turbine according to claim 6 or 7, it is characterized in that, the tower cylinder of the Background Region on described 3rd structure and described deck lays respectively at left field on described deck and right side area, between the tower cylinder of the Background Region of described foundation pile on described 3rd structure and described deck.
9. a transportation resources for offshore wind turbine, is characterized in that, uses the transport structure of the offshore wind turbine in claim 1 to 8 described in arbitrary claim to transport.
10. a transportation resources for offshore wind turbine, is characterized in that, comprises the following steps:
Cabin is assemblied on the first support, electrical generator and cabin is assembled, obtains the first structure;
By the pitch variable bearings assembling of on wheel hub on the secondary support bracket, two blades are assemblied in respectively on two other pitch variable bearings on described wheel hub, obtain the second structure;
By described first structure, described second structure with comprise vaned 3rd structure and be lifted into respectively on deck;
Deck is made to move to target location.
The transportation resources of 11. 1 kinds of offshore wind turbines, is characterized in that, comprises the following steps:
Cabin is assemblied on the first support, electrical generator and cabin is assembled, obtains the first structure;
By the pitch variable bearings assembling of on wheel hub on the secondary support bracket, two blades are assemblied in respectively on two other pitch variable bearings on described wheel hub, obtain the second structure;
Multiple blade is stacked, obtains the 3rd structure;
Described 3rd structure, the first structure described at least one and the second structure described at least one are lifted on deck respectively;
Lifted by multiple foundation pile and lie on described deck, the lifting of multistage tower cylinder being existed side by side is placed on described deck;
Deck is made to move to target location.
The installation method of 12. 1 kinds of offshore wind turbines, is characterized in that, comprises the following steps:
Use the transport structure of the offshore wind turbine in claim 1 to 8 described in arbitrary claim that offshore wind turbine is transported to installation site;
Cabin in described first structure and described first support are taken apart, and the cabin being equipped with electrical generator is lifted by crane and is assembled to the top of pylon;
Pitch variable bearings on wheel hub in described second structure and described second support are taken apart, and the wheel hub being equipped with two blades is lifted by crane and is assembled on described electrical generator;
Blade in described 3rd structure is lifted by crane and is assembled to not installing on the pitch variable bearings of blade on described wheel hub.
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| CN111271228A (en) * | 2020-02-28 | 2020-06-12 | 中国十七冶集团有限公司 | Offshore wind turbine engine room impeller assembly transportation device and implementation method |
| CN115783182A (en) * | 2022-12-08 | 2023-03-14 | 中国铁建港航局集团有限公司 | Integrated construction method for transporting and installing fan by using wind power installation vessel |
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| CN111271228A (en) * | 2020-02-28 | 2020-06-12 | 中国十七冶集团有限公司 | Offshore wind turbine engine room impeller assembly transportation device and implementation method |
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| CN115783182A (en) * | 2022-12-08 | 2023-03-14 | 中国铁建港航局集团有限公司 | Integrated construction method for transporting and installing fan by using wind power installation vessel |
| CN115783182B (en) * | 2022-12-08 | 2023-08-01 | 中国铁建港航局集团有限公司 | Integrated construction method for carrying out fan transportation and installation by utilizing wind power installation ship |
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