阅读说明：本技术 一种可快速组装的风力发电机机舱罩及其制造、组装方法 (Quickly-assembled wind driven generator cabin cover and manufacturing and assembling method thereof ) 是由 董绪雷 张爱珍 于 2021-03-23 设计创作，主要内容包括：本发明提出一种可快速组装的风力发电机机舱罩,机舱罩采用分体式拼接结构,能够实现标准化制造、便于运输、并且能够根据设计需求进行定制化现场快速组装；并提出一种可快速组装的风力发电机机舱罩的制造、组装方法,改变传统的生产制造工厂必须跟随主机厂布局的概念,将生产制造工厂划分为生产基地和预组装工厂两部分,将机舱罩体的全部零部件的生产制造集中于生产基地统一标准化生产完成；组装过程包括预组装、主机厂现场总装两个主要阶段,将预组装工厂布局在主机厂附近,将预组装就近完成,减少生产制造方面的固定投资。(The invention provides a fast-assembled wind driven generator cabin cover, which adopts a split splicing structure, can realize standardized manufacture, is convenient to transport, and can be fast assembled on a customized site according to design requirements; the manufacturing and assembling method of the quickly assembled cabin cover of the wind driven generator is provided, the concept that the traditional production and manufacturing factory must follow the layout of a main engine factory is changed, the production and manufacturing factory is divided into a production base and a pre-assembly factory, and the production and the manufacture of all parts of the cabin cover body are centralized on the production base to be uniformly and standardly produced and completed; the assembling process comprises two main stages of preassembly and host factory field final assembly, the preassembly factory is arranged near the host factory, the preassembly is completed nearby, and the fixed investment in the aspect of production and manufacturing is reduced.)

1. The wind driven generator cabin cover capable of being manufactured and assembled quickly is characterized in that the cabin cover body is an oblique square column or a cuboid, and each panel of the cover body comprises a bottom plate and a reinforcing rib plate; the reinforcing rib plates are of a honeycomb composite material structure with skins and are evenly distributed and compounded on the upper surface of the bottom plate in parallel.

2. The rapidly manufacturable and assemblable wind turbine nacelle cover of claim 1, wherein said base plate is a sandwich honeycomb composite structure; the honeycomb composite material structure with the reinforcing rib plates on the panels of each cover body is a composite sandwich structure and sequentially comprises a bottom plate lower covering, a bottom plate honeycomb core material, a bottom plate upper covering, a reinforcing rib plate honeycomb core material and a reinforcing rib plate covering from bottom to top.

3. Wind turbine nacelle cover that can be manufactured and assembled quickly, according to claim 1, wherein the base plate is a fibre reinforced resin based composite material plate.

4. The rapidly manufacturable and assemblable wind turbine nacelle cover of any one of claims 1 to 3, wherein each of the cover panels comprises a plurality of sub-panels, each of the sub-panels having a width sized for transportation, and each of the sub-panels having a first overlapping edge and a second overlapping edge extending outwardly from each of the first and second overlapping edges in a width direction of the sub-panel; the first lap joint edge is opposite to the second lap joint edge in direction, and adjacent sub-panels are mutually matched, sealed and spliced through the first lap joint edge and the second lap joint edge.

5. Wind turbine nacelle cover according to claim 4, wherein the sub-panels are mutually fittingly adhered by the first overlapping edge and the second overlapping edge.

6. The rapidly manufacturable and assemblable wind turbine nacelle cover of claim 4, wherein the sub-panels are secured to one another by bolting via the first overlapping edge and the second overlapping edge in cooperation with one another.

7. The rapidly manufacturable and assemblable nacelle cover of a wind turbine according to claim 4, wherein said stiffeners are evenly distributed in parallel across the width of said sub-panels.

8. The rapidly manufacturable and assemblable wind turbine nacelle cover of any one of claims 1-3, further comprising a high strength structural steel support assembly, wherein the high strength structural steel support components comprise a floor structural steel support assembly, a stiffener plate structure support assembly; the transition joints between the panels of the cover body are connected and fixed by bolts through the bottom plate structural steel supporting component and/or the reinforcing rib plate structural supporting component.

9. The rapidly manufacturable and assemblable wind turbine nacelle cover of claim 8, wherein the cover face panels comprise a top panel, a bottom panel, a left side panel, a right side panel, a front face panel, and a rear face panel; the top panel, the bottom panel, the left side panel and the right side panel are respectively connected and fixed with the transition connection part between the front end face panel and the rear end face panel through the bottom plate structural steel supporting assembly through bolts.

10. The rapidly manufacturable and assemblable wind turbine nacelle cover of claim 8, wherein said top panel is bolted to said left and right side panels, and said bottom panel is bolted to said left and right side panels at their transition joints via said strandplate structural support assemblies; the reinforcing rib plate structure supporting assembly comprises a reinforcing rib plate structure supporting corner piece and a metal backing plate structure, wherein the metal backing plate structure is filled at the lower part of a reinforcing rib plate skin at a transition joint, the reinforcing rib plate structure supporting corner piece is supported at the transition joint, the upper surface of the reinforcing rib plate skin is fixedly connected with the metal backing plate structure through the reinforcing rib plate structure supporting corner piece in a matched mode through bolts.

11. A rapidly manufacturable and assemblable wind turbine nacelle cover as claimed in any one of claims 1 to 3, further comprising a perimeter seal structure; the peripheral sealing structure comprises an edge sealing strip, an auxiliary edge sealing corner piece and an auxiliary vertex sealing corner piece;

the outer side of the joint of each adjacent panel of the cover body is covered with the edge sealing strip, and the edge sealing strip is connected with the adjacent panel through bonding; the auxiliary edge sealing corner piece covers the edge sealing strip and is connected with the adjacent panel through bonding; the auxiliary vertex sealing corner piece covers the edge sealing strip at the vertex and is connected with the adjacent panel through bonding.

12. The rapidly manufacturable and assemblable wind turbine nacelle cover of any one of claims 1 to 3, further comprising a transition connection plate adhesively attached to an inner surface of the left or right side panels for connection to the wind turbine main frame.

13. A method for manufacturing a rapidly manufacturable and assemblable wind turbine nacelle cover as claimed in any one of claims 1 to 12, wherein the cover panel is manufactured by a molding process or by a vacuum infusion process.

14. A method for assembling a rapidly manufacturable and assemblable wind turbine nacelle cover as claimed in any one of claims 1 to 12, comprising the following stages:

the first stage is as follows: a pre-assembly stage;

and a second stage: and (5) field final assembly.

15. Method for assembling a wind turbine nacelle cover that can be rapidly manufactured and assembled according to claim 14, characterised in that said first phase: the pre-assembly stage comprises in particular the following steps:

s101: splicing and assembling the inner panels of the panels of each face of the cover body into a top panel, a bottom panel, a left side panel, a right side panel, a front end face panel and a rear end face panel in a sealing way by bonding or bolt connection;

s102: the inner surface of the left side panel or the right side panel is provided with a transition connecting plate through bonding, and the transition connecting plate is used for being connected with a main frame of the wind driven generator;

s103: and (4) mounting accessory parts on panels on all sides of the cover body, wherein the accessory parts comprise a lightning protection component, a skylight, an access door, a safety belt hanging point and the like.

16. Method for assembling a wind turbine nacelle cover that can be rapidly manufactured and assembled according to claim 14, wherein said second stage: the field final assembly stage specifically comprises the following steps:

s201: conveying the panels on each face of the cover body obtained in the preassembly stage, the high-strength structural steel support assembly, the peripheral sealing structure and the corresponding bolt parts to a final assembly site;

s202: the transition joints of the panels of the cover body are mutually connected in a sealing way by bolts through high-strength structural steel supporting pieces;

s203: bonding the edge sealing strips in the peripheral sealing structure to the outer sides of joints of the panels of the cover body;

s204: covering an auxiliary edge sealing corner piece in the peripheral sealing structure on the edge sealing strip, and adhering the auxiliary edge sealing corner piece to the outer side of the joint of each face panel of the cover body;

s205: and covering the auxiliary vertex sealing angle piece in the peripheral sealing structure on the edge sealing strip, and adhering the auxiliary vertex sealing angle piece to the outer side of the panel at each vertex joint of the cover body.

Technical Field

The invention belongs to the technical field of wind driven generator cabin covers, and particularly relates to a wind driven generator cabin cover capable of being assembled quickly and a manufacturing and assembling method thereof.

Background

The cabin cover of the wind driven generator is generally made of fiber reinforced composite materials, the internal space of the cabin cover is isolated from the external natural environment, equipment facilities such as a generator set, a control system and the like which are arranged inside the cabin cover are prevented from being directly exposed to the natural environment, direct contact with external factors such as rainwater, sand dust, salt mist, ultraviolet rays and the like is blocked, an important protection effect is achieved on the equipment facilities arranged inside the cabin cover, normal operation of the equipment within the design life of the wind driven generator is guaranteed, and the cabin cover is one of important and indispensable components of the wind driven generator.

At present, the cabin cover is mostly designed and manufactured integrally or divided into a plurality of limited components, along with the large-scale development trend of the wind driven generator, the design scheme of the split structure of the current cabin cover faces the problem of super width or super height, and extremely high requirements are provided for production equipment, production sites and transportation of the cabin cover, so that the production efficiency is low, and the production cost and the transportation cost are high.

In addition, for the cabin cover designed in a split structure, in order to be smoothly assembled into the required cabin cover, the connecting parts of the split structure have very accurate processing requirements and assembling requirements on the size and the shape so as to realize tight sealing connection; meanwhile, in order to meet the design of the split structures of different engine room covers, different shapes and structures of composite material paving panels are needed to be designed for the split structures in a targeted manner, and the materials comprise different types of glass fibers, foam core materials, embedded parts and the like, so that the variety and the number of parts are large; the manufacturing mold and the manufacturing process of each split structure have high requirements, the manufacturing process is complex, the manufacturing cost is increased to a certain extent, and the standardized production and the rapid assembly are difficult to realize.

Meanwhile, the current cabin covers are different in shape, the assembling mode is different due to different host factories, even if the same host factory is different due to different machine types, the cabin cover manufacturer needs to match different molds and other accessory parts so as to meet the requirements of different host factories or different machine types, the site utilization rate is low, and the production efficiency is low.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the defects in the prior art, the invention provides the quickly assembled cabin cover of the wind driven generator, the cabin cover adopts a split type splicing structure, can realize standardized manufacture, is convenient to transport, and can be quickly assembled on a customized site according to design requirements; the manufacturing and assembling method of the quickly assembled cabin cover of the wind driven generator is provided, the concept that the traditional production and manufacturing factory must follow the layout of a main engine factory is changed, the production and manufacturing factory is divided into a production base and a pre-assembly factory, and the production and the manufacture of all parts of the cabin cover body are centralized on the production base to be uniformly and standardly produced and completed; the assembling process comprises two main stages of preassembly and host factory field final assembly, the preassembly factory is arranged near the host factory, the preassembly is completed nearby, and the fixed investment in the aspect of production and manufacturing is reduced.

The technical scheme of the invention is as follows: in order to achieve the above object, according to a first aspect of the present invention, a nacelle cover of a wind turbine generator, which can be rapidly manufactured and assembled, is provided, wherein the nacelle cover is an oblique square cylinder or a rectangular parallelepiped, and each face panel of the cover includes a bottom plate and a reinforcing rib plate; the reinforcing rib plates are of a honeycomb composite material structure with skins and are evenly distributed and compounded on the upper surface of the bottom plate in parallel.

In one possible embodiment, the base plate is of a sandwich honeycomb composite structure; the honeycomb composite material structure with the reinforcing rib plates on the panels of each cover body is a composite sandwich structure and sequentially comprises a bottom plate lower covering, a bottom plate honeycomb core material, a bottom plate upper covering, a reinforcing rib plate honeycomb core material and a reinforcing rib plate covering from bottom to top.

In one possible embodiment, the base plate is a sheet of fibre-reinforced resin-based composite material.

The panel made of the composite material of the bottom plate and the reinforcing rib plate has the advantages that standardized production of panel plates can be further realized; the panel bottom plate is traditional sandwich structure honeycomb combined material or fiber reinforcement resin base combined material board, then compound sandwich structure deep floor according to actual design user demand on the bottom plate basis again, including the deep floor honeycomb core and the deep floor covering that the configuration is unanimous, whole production process standardization level is high to can adjust deep floor's position and density according to the design needs, make product customization degree high, application scope extensively.

In one possible embodiment, each panel of the cover body comprises a plurality of sub-panels, the width of each sub-panel is processed into a fixed width suitable for transportation, and a first overlapping edge and a second overlapping edge respectively extend outwards along two sides of the width direction of each sub-panel; the first lap joint edge is opposite to the second lap joint edge in direction, and adjacent sub-panels are mutually matched, sealed and spliced through the first lap joint edge and the second lap joint edge.

Preferably, the sub-panels are mutually matched and bonded through the first overlapping edge and the second overlapping edge.

Preferably, the sub-panels are mutually matched and fixed by bolts through the first overlapping edge and the second overlapping edge.

Furthermore, the reinforcing rib plates are uniformly distributed in parallel along the width direction of each sub-panel.

In one possible embodiment, the wind turbine nacelle cover further comprises a high-strength structural steel support assembly, the high-strength structural steel support component comprising a floor structural steel support assembly, a stiffener plate structure support assembly; the transition joints between the panels of the cover body are connected and fixed by bolts through the bottom plate structural steel supporting component and/or the reinforcing rib plate structural supporting component.

Furthermore, each panel of the cover body comprises a top panel, a bottom panel, a left side panel, a right side panel, a front end panel and a rear end panel; the top panel, the bottom panel, the left side panel and the right side panel are respectively connected and fixed with the transition connection part between the front end face panel and the rear end face panel through the bottom plate structural steel supporting assembly through bolts.

Furthermore, transition joints between the top panel and the left and right side panels, and between the bottom panel and the left and right side panels, respectively, are fixed by bolts through the reinforcing rib plate structure supporting assembly; the reinforcing rib plate structure supporting assembly comprises a reinforcing rib plate structure supporting corner piece and a metal backing plate structure, wherein the metal backing plate structure is filled at the lower part of a reinforcing rib plate skin at a transition joint, the reinforcing rib plate structure supporting corner piece is supported at the transition joint, the upper surface of the reinforcing rib plate skin is fixedly connected with the metal backing plate structure through the reinforcing rib plate structure supporting corner piece in a matched mode through bolts.

In one possible embodiment, the wind turbine nacelle cover further comprises a perimeter sealing structure; the peripheral sealing structure comprises an edge sealing strip, an auxiliary edge sealing corner piece and an auxiliary vertex sealing corner piece; the functions of beautifying the appearance, assisting in strengthening and sealing are achieved;

the outer side of the joint of each adjacent panel of the cover body is covered with the edge sealing strip, and the edge sealing strip is connected with the adjacent panel through bonding; the auxiliary edge sealing corner piece covers the edge sealing strip and is connected with the adjacent panel through bonding; the auxiliary vertex sealing corner piece covers the edge sealing strip at the vertex and is connected with the adjacent panel through bonding.

Preferably, the edge sealing strip is divided into a plurality of sections, so that the transportation is facilitated and the requirement of overlong design is met.

In one possible embodiment, the nacelle cover further includes a transition connection plate mounted to an inner surface of the left or right side panel by bonding for connection with the wind turbine main frame.

According to a second aspect of the present invention, a method for manufacturing a wind turbine nacelle cover capable of being rapidly manufactured and assembled is provided, which is used for manufacturing the wind turbine nacelle cover capable of being rapidly manufactured and assembled, and in order to improve the production efficiency and ensure the dimensional accuracy, the cover panel is manufactured by using a mold pressing process or a vacuum infusion process.

According to a third aspect of the invention, a method for assembling a wind turbine nacelle cover that can be manufactured and assembled quickly is proposed, for assembling a wind turbine nacelle cover that can be manufactured and assembled quickly, characterized in that it comprises the following stages:

the first stage is as follows: a pre-assembly stage;

and a second stage: and (5) field final assembly.

In one possible embodiment, the first stage: the pre-assembly stage comprises in particular the following steps:

s101: splicing and assembling the inner panels of the panels of each face of the cover body into a top panel, a bottom panel, a left side panel, a right side panel, a front end face panel and a rear end face panel in a sealing way by bonding or bolt connection;

s102: the inner surface of the left side panel or the right side panel is provided with a transition connecting plate through bonding, and the transition connecting plate is used for being connected with a main frame of the wind driven generator;

s103: and (4) mounting accessory parts on panels on all sides of the cover body, wherein the accessory parts comprise a lightning protection assembly, a skylight, an access door and a safety belt hanging point.

In one possible embodiment, the second stage: the field final assembly stage specifically comprises the following steps:

s201: conveying the panels on each face of the cover body obtained in the preassembly stage, the high-strength structural steel support assembly, the peripheral sealing structure and the corresponding bolt parts to a final assembly site;

s202: the transition joints of the panels of the cover body are mutually connected in a sealing way by bolts through high-strength structural steel supporting pieces;

s203: bonding the edge sealing strips in the peripheral sealing structure to the outer sides of joints of the panels of the cover body;

s204: covering an auxiliary edge sealing corner piece in the peripheral sealing structure on the edge sealing strip, and adhering the auxiliary edge sealing corner piece to the outer side of the joint of each face panel of the cover body;

s205: and covering the auxiliary vertex sealing angle piece in the peripheral sealing structure on the edge sealing strip, and adhering the auxiliary vertex sealing angle piece to the outer side of the panel at each vertex joint of the cover body.

Preferably, when the edge sealing strip is composed of multiple segments, the auxiliary edge sealing corner piece covers the joint position of the multiple segments of the edge sealing strip, and auxiliary sealing joint can be realized simultaneously.

The invention has the beneficial effects that: the cover body panel of the wind driven generator cabin cover comprises a bottom plate and reinforcing rib plates; the panel board production method has the advantages that standardized production of the panel board can be further realized; the panel bottom plate is traditional sandwich structure honeycomb combined material or fiber reinforcement resin base combined material board, then compound sandwich structure deep floor according to actual design user demand on the bottom plate basis again, including the deep floor honeycomb core and the deep floor covering that the configuration is unanimous, whole production process standardization level is high to can adjust deep floor's position and density according to the design needs, make product customization degree high, application scope extensively.

The cover body panel is manufactured by adopting a mould pressing process or a vacuum infusion manufacturing process, so that the production capacity of a large number of manufacturing factories can be adapted, the production efficiency is improved, and the manufacturing cost is reduced.

According to the assembling method adopted by the wind driven generator cabin cover, each panel of the cover body is formed by hermetically splicing a plurality of parts of sub-panels, and each sub-panel is processed into a fixed width suitable for transportation, so that the transportation is facilitated; a first lapping edge and a second lapping edge respectively extend outwards along two sides of each subpanel in the width direction; the first lap joint edge and the second lap joint edge are opposite in direction, adjacent sub-panels are matched, sealed and spliced with each other through the first lap joint edge and the second lap joint edge, bonding glue is coated at the lap joint position and bonded together under the action of certain pressure, the bonding strength meeting the requirement can be achieved, the sealing effect can be better achieved, and the assembling efficiency can be effectively improved;

meanwhile, the transitional connection part between the face panels of the cover body is fixedly connected through the bottom plate structural steel supporting assembly and/or the reinforcing rib plate structural supporting assembly by bolts, so that the length of each face panel of the sub-panel can be cut in the assembling process according to the design requirement, and the super-long or super-wide design requirement can be better met; the transitional joints of the panels of each face of the cover body are connected by bolts through high-strength structural steel support assemblies, so that the connection rigidity between the panels of the cover body is effectively ensured; furthermore, the transition joint of each face panel of the cover body is bonded with the adjacent face panel of the cover body through a peripheral sealing structure, so that the appearance is attractive and the sealing effect is achieved.

The invention breaks through the concept that the traditional production and manufacturing factory must follow the layout of the main engine factory, divides the production and manufacturing factory into a production base and a pre-assembly factory, meanwhile, the production is concentrated on one production base and the pre-assembly is completed nearby the main engine factory, and the production and the manufacturing of all parts of the cabin cover body are concentrated on the production base to be completed through unified standardized production; the assembling process comprises two main stages of preassembly and host factory field final assembly, the preassembly factory is arranged near the host factory, the preassembly is completed nearby, and the fixed investment in the aspect of production and manufacturing is reduced. The split structural members are convenient to quickly combine and assemble, and the on-site cutting and assembling and the quick combination are convenient to carry out according to design requirements.

Drawings

FIG. 1 is a schematic view of the overall structure of a nacelle cover of a wind turbine according to a preferred embodiment of the present invention

FIG. 2 is a schematic structural view of a wind turbine nacelle cover panel and a bottom plate made of sandwich honeycomb composite material according to a preferred embodiment of the present invention

FIG. 3 is a schematic structural view of a bottom plate of a cover body panel of a nacelle cover of a wind turbine generator according to a preferred embodiment of the invention, wherein the bottom plate is a fiber reinforced resin-based composite material plate

FIG. 4 is a schematic view of the bonding manner of the adjacent sub-panels in each panel of the wind turbine nacelle cover according to embodiment 1 of the present invention

FIG. 5 is a schematic view of the bonding manner of the adjacent sub-panels in each panel of the wind turbine nacelle cover according to embodiment 2 of the present invention

FIG. 6 is a schematic view of the wind turbine generator nacelle cover according to embodiment 3 of the present invention, in which adjacent sub-panels are connected by bolts

FIG. 7 is a schematic view of the wind turbine nacelle cover body of the preferred embodiment of the present invention being fixed by bolting through the structural steel support assembly of the bottom plate

FIG. 8 is a schematic view of the wind turbine nacelle cover body of the preferred embodiment of the present invention being fixed by bolting the face panels of the wind turbine nacelle cover body with the stiffener plate structure support assemblies

FIG. 9 is a schematic view of the sealing connection between the face panels of the nacelle cover of the wind turbine generator through the peripheral sealing structure according to the preferred embodiment of the present invention

FIG. 10 is a schematic view of the sealing connection between the face panels of the nacelle cover of the wind driven generator through the edge sealing strips in the peripheral sealing structure according to the preferred embodiment of the invention

FIG. 11 is a schematic view of the sealing connection between the face panels of the nacelle cover of the wind turbine generator according to the preferred embodiment of the present invention by the auxiliary vertex sealing angle member in the peripheral sealing structure

FIG. 12 is a schematic view of the assembly of the panels of the cover at the pre-assembly stage of the preferred embodiment of the present invention

FIG. 13 is an exploded view of the assembly of the parts of the nacelle cover of the wind turbine according to the preferred embodiment of the present invention

Detailed Description

The above aspects and features and other advantages of the present invention will become apparent from the following description of the preferred embodiments of the present invention, which is to be read in connection with the accompanying drawings.

As shown in figure 1, the wind driven generator cabin cover capable of being rapidly manufactured and assembled is characterized in that the cover body of the cabin cover 1 is an oblique square column or a cuboid, as shown in figure 2 or figure 3, each panel of the cover body comprises a bottom plate 8-1 and a reinforcing rib plate 8-2; the reinforcing rib plates 8-2 are of a honeycomb composite material structure with skin and are evenly distributed and compounded on the upper surface of the bottom plate in parallel.

As shown in fig. 2, the bottom plate 8-1 is a sandwich honeycomb composite structure; the honeycomb composite material structure with the reinforcing rib plates on the panels of each cover body is a composite sandwich structure and sequentially comprises a bottom plate lower skin 8-1-1, a bottom plate honeycomb core material 8-1-2, a bottom plate upper skin 8-1-3, a reinforcing rib plate honeycomb core material 8-2-1 and a reinforcing rib plate skin 8-2-2 from bottom to top.

As shown in fig. 3, the bottom plate 8-1 is a fiber reinforced resin based composite material plate.

Each panel of the cover body comprises a plurality of parts of subpanels, the width of each subpanel is processed into a fixed width suitable for truck transportation, and a first overlapping edge and a second overlapping edge respectively extend outwards along two sides of the width direction; the first lap joint edge is opposite to the second lap joint edge in direction, and the sub-panels are mutually matched and sealed and connected through the first lap joint edge and the second lap joint edge.

In example 1, as shown in fig. 4, the sub-panels are bonded to each other by the mating surfaces of the first overlapping edge and the second overlapping edge.

In example 2, as shown in fig. 5, the sub-panels are bonded to each other at multiple points by the first overlapping edge and the second overlapping edge in cooperation with each other.

As shown in fig. 6, in embodiment 3, the sub-panels are fixed to each other by the first overlapping edge and the second overlapping edge by using bolts.

As shown in fig. 7 or 8, the nacelle cover of the wind turbine further comprises a high-strength structural steel support assembly, and the high-strength structural steel support component comprises a bottom plate structural steel support assembly 12 and a reinforcing rib plate structure support assembly 9; the transition joints between the panels of the cover body are fixed by bolts through the bottom plate structural steel supporting component 12 and/or the reinforcing rib plate structure supporting component 9.

As shown in fig. 13, each panel of the cover includes a top panel 2, a bottom panel 3, a left side panel 4, a right side panel 5, a front end panel 6 and a rear end panel 7; as shown in fig. 7, the transition joints between the top panel 2, the bottom panel 3, the left side panel 4, and the right side panel 5 and the front end panel 6 and the rear end panel 7 are fixed by the structural steel support assembly 12 of the bottom plate through bolts.

As shown in fig. 8, the transition joints between the top panel 2 and the left and right side panels 4, 5, and between the bottom panel 3 and the left and right side panels 4, 5, respectively, are fixed by bolts through the stiffener structure support assembly 9; the reinforcing rib plate structure supporting assembly 9 comprises a reinforcing rib plate structure supporting corner piece 13 and a metal backing plate structure 11, wherein the metal backing plate structure 11 is padded at the transition joint part of the reinforcing rib plate skin 8-2-2 lower part, the reinforcing rib plate structure supporting corner piece 13 is supported at the transition joint part of the reinforcing rib plate skin 8-2-2 upper surface, and the reinforcing rib plate structure supporting corner piece 13 is matched with the metal backing plate structure 11 and is fixedly connected through bolts.

As shown in fig. 9, the wind turbine nacelle cover further includes a peripheral seal structure 10; the peripheral sealing structure comprises edge sealing strips 10-2, 10-4, 10-6 and 10-7, auxiliary edge sealing corner pieces 10-3 and auxiliary vertex sealing corner pieces 10-1 and 10-5.

As shown in fig. 10, the outer side of the joint of each adjacent panel of the cover body is covered with the edge sealing strips 10-2, 10-4, 10-6, 10-7, and the edge sealing strips 10-2, 10-4, 10-6, 10-7 are connected with the adjacent panels through bonding; the auxiliary edge sealing corner fitting 10-3 covers the edge sealing strip and is connected with an adjacent panel through bonding; as shown in fig. 11, the secondary apex sealing corner fittings 10-1, 10-5 overlie the edge sealing strips at the apexes and are joined to the adjacent panel by adhesive bonding.

The edge sealing strip is divided into a plurality of sections so as to be convenient for transportation and adapt to the requirement of super-long design.

According to the second aspect of the invention, the manufacturing method of the wind driven generator cabin cover capable of being manufactured and assembled rapidly is provided, and in order to improve the production efficiency and ensure the dimensional accuracy, the manufacturing of the cover body panel adopts a mould pressing process or a vacuum infusion process.

According to a third aspect of the invention, a method for assembling a nacelle cover of a wind turbine, which can be manufactured and assembled quickly, is proposed, characterized in that it comprises the following stages:

the first stage is as follows: a pre-assembly stage;

and a second stage: and (5) field final assembly.

The first stage: the pre-assembly stage comprises in particular the following steps:

s101: as shown in fig. 12, the sub-panels 2-1, 2-2, 2-3, 2-4 are assembled in a pre-assembly step, two by gluing or bolting to the top panel 2; by analogy, each face of the rest cover bodies is divided into panels 3-1, 3-2, 3-3, 3-3, 3-4 and 3-5; 4-1, 4-2, 4-3; 5-1, 5-2, 5-3; 6-1, 6-2; 7-1, 7-2, which are respectively bonded or bolted into a bottom panel 3, a left side panel 4, a right side panel 5, a front end panel 6 and a rear end panel 7;

s102: mounting the transition connecting plate on the left side panel 4 or the right side panel 5 through bonding;

s103: and installing other accessory components including a lightning protection component, a skylight, an access door and a safety belt hanging point.

The second stage is as follows: the field final assembly stage specifically comprises the following steps:

s201: transporting the face panels of the cover obtained in the pre-assembly stage, the peripheral sealing structures 10-1, 10-2, 10-3, 10-4, 10-5, 10-6, 10-7, the high-strength structural steel supporting pieces 9, 11, 12 and the corresponding bolts to a customer assembly site;

s202: the transition joints of the panels of the cover body are connected with each other by bolts through high-strength structural steel supporting pieces 9, 11 and 12;

s203: respectively bonding edge sealing strips 10-2, 10-4, 10-6 and 10-7 in the peripheral sealing structure to the joint of adjacent panels on each face of the cover body;

s204: covering an auxiliary edge sealing corner piece 10-3 in the peripheral sealing structure on the edge sealing strip, and adhering the auxiliary edge sealing corner piece to the outer side of the joint of each face panel of the cover body;

s205: auxiliary vertex sealing corner pieces 10-1 and 10-5 in the peripheral sealing structure cover the edge sealing strips and are bonded to the outer sides of the panels at the joints of the vertexes of the cover body.

It should be understood that although the present invention has been described by way of the preferred embodiments above, numerous variations are possible in light of the above teachings; and that modifications and variations may be effected by one skilled in the art without departing from the spirit of the invention as defined by the claims appended hereto.