CN219774275U - Cabin cover with steel structure and glass fiber reinforced plastic structure combined - Google Patents

Abstract

The utility model belongs to the technical field of wind power generation, and particularly discloses a cabin cover with a steel structure and a glass fiber reinforced plastic structure, which comprises a top cover and a cover body, wherein the top cover is made of glass fiber reinforced plastic, the cover body comprises a left cover body, a right cover body, a front cover body, a tail cover body and a bottom cover body, holes are formed in the front cover body and the bottom cover body, the front cover body and the bottom cover body are made of glass fiber reinforced plastic or metal, and the left cover body, the right cover body and the tail cover body are made of metal. The cabin cover provided by the utility model is formed by combining glass fiber reinforced plastic and metal, so that the cost is reduced compared with an all-glass fiber reinforced plastic structure, the weight is reduced compared with an all-metal structure, and the strength requirement can be met.

Description

Cabin cover with steel structure and glass fiber reinforced plastic structure combined

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a cabin cover with a steel structure and a glass fiber reinforced plastic structure combined.

Background

The external dimensions of the large-scale wind turbine generator system are larger and larger at present, so that the traditional integral cabin cover is more difficult to manufacture.

The nacelle cover in a wind turbine is used to protect the metal components of the wind turbine and other ancillary equipment from the external environment and also to provide a safe environment for personnel working inside the nacelle. At present, the cabin cover is mainly made of two materials, namely an all-metal material and a glass fiber reinforced plastic material.

The cabin cover made of the all-glass fiber reinforced plastic material needs to be manufactured with a plurality of moulds, and the mould cost is high. Although the glass fiber reinforced plastic has high specific strength, the total weight is relatively low, but the cost per unit weight is relatively high. The nacelle cover made of all metal material does not require a mold, but the metal material has a low specific strength and a relatively large total weight.

At present, the cabin cover made of domestic metal materials still adopts a combined design mode of a planar metal skin and a reinforcing rib plate, and the structure also has a further optimization space.

Disclosure of Invention

The utility model aims to overcome the defects of high cost caused by the adoption of an all-glass fiber reinforced plastic structure and heavy weight caused by the adoption of an all-metal structure in the prior art, and provides the cabin cover with the combination of the steel structure and the glass fiber reinforced plastic structure.

The utility model solves the technical problems by the following technical scheme:

a nacelle cover of a steel structure in combination with a glass fiber reinforced plastic structure, comprising:

the top cover is made of glass fiber reinforced plastic materials; the method comprises the steps of,

the cover body, cover the body and cover the body including left side cover body, right side cover body, front end cover body, tail end cover body and bottom cover body, the front end cover body with the hole has been seted up on the bottom cover body, the front end cover body with the bottom cover body adopts glass steel material or metal material, the left side cover body right side cover body with the tail end cover body adopts metal material.

In the scheme, the glass fiber reinforced plastic and the metal are combined, so that the cost is reduced relative to an all-glass fiber reinforced plastic structure, the weight is reduced relative to an all-metal structure, and the strength requirement can be met. Meanwhile, as the top cover is provided with a plurality of interfaces, the appearance structure is complex, and the glass fiber reinforced plastic material adopted by the top cover is easier to produce. And because the front end cover body and the bottom cover body are provided with holes, the front end cover body and the bottom cover body are made of glass fiber reinforced plastic or metal, the left side cover body, the right side cover body and the tail end cover body are simpler in structure, and the glass fiber reinforced plastic with higher cost is not needed.

Preferably, the bottom cover body is made of metal, and the left cover body, the right cover body, the tail cover body and the bottom cover body are all made of corrugated board structures.

In the scheme, the rigidity of the corrugated plate is higher than that of the planar metal skin, the rigidity is improved, the cost is reduced, the corrugated sizes of the corrugated plate are different, the corresponding rigidity is also different, and the corresponding corrugated size of the corrugated plate can be designed according to the different rigidity.

Preferably, the left side cover body, the right side cover body, the tail end cover body and the bottom cover body are all formed by assembling a plurality of corrugated board modules.

In this scheme, corrugated board structure adopts modularized design, reduces sub-part size, is convenient for transport and hoist and mount.

Preferably, the corrugated board module comprises a corrugated board main body and a flange plate fixed on the edge of the corrugated board main body, and adjacent corrugated board modules are matched with the flange plate through cover body fasteners to realize detachable connection.

In this scheme, be convenient for assemble between the corrugated board module through flange joint.

Preferably, the left cover body comprises a corrugated board modules which are sequentially arranged along the interval direction of the front end cover body and the tail end cover body, wherein a plurality of corrugated board modules are left first corrugated board module units, and at least one corrugated board module unit is left second corrugated board module units; the lengths of the left first corrugated board module units in the interval direction of the front end cover body and the tail end cover body are the same, and the widths of the left first corrugated board module units in the interval direction of the top cover and the bottom cover body are the same; a is a positive integer greater than or equal to 2;

the right side cover body comprises b corrugated board modules which are sequentially arranged along the interval direction of the front end cover body and the tail end cover body, wherein a plurality of corrugated board modules are right side first corrugated board module units, at least one corrugated board module unit is right side second corrugated board module units, the lengths of the right side first corrugated board module units in the interval direction of the front end cover body and the tail end cover body are the same, and the widths of the right side first corrugated board module units in the interval direction of the top cover and the bottom cover body are the same; m is a positive integer greater than or equal to 2;

the tail end cover body comprises c corrugated board modules which are sequentially arranged along the interval direction of the left side cover body and the right side cover body, wherein a plurality of corrugated board modules are tail end first corrugated board module units, at least one corrugated board module unit is tail end second corrugated board module unit, the lengths of the tail end first corrugated board module units in the interval direction of the left side cover body and the right side cover body are the same, and the widths of the tail end first corrugated board module units in the interval direction of the top cover and the bottom cover body are the same; c is a positive integer of 2 or more.

In this scheme, above-mentioned setting can standardize corrugated board module's size, reduces manufacturing cost, improves production efficiency. At least one corrugated board module is reserved as a variable, so that the size of the corrugated board module can be conveniently adjusted according to actual conditions, and the cabin covers with different sizes can be adapted.

Preferably, the lengths of the left first corrugated module unit in the spacing direction of the front end cover and the rear end cover, the lengths of the right first corrugated module unit in the spacing direction of the front end cover and the rear end cover, and the lengths of the rear first corrugated module unit in the spacing direction of the left cover and the right cover are the same;

the widths of the left first corrugated board module unit, the right first corrugated board module unit and the tail first corrugated board module unit in the interval direction of the top cover and the bottom cover are the same.

In this scheme, the size of corrugated board module is further standardized in above-mentioned setting, reduces manufacturing cost, improves production efficiency.

Preferably, the cover fastener is located on a side of the corrugated board module facing the cabin interior.

In this scheme, be convenient for realize carrying out flange joint in cabin inside.

Preferably, the corrugated board module further comprises at least one reinforcing rib, and the reinforcing rib extends in a direction perpendicular to the corrugations of the corrugated board.

In this solution, the reinforcing rib is used to further increase the stiffness of the corrugated board module.

Preferably, the front end cover body adopts a plane plate structure.

In this scheme, because there is the kuppe in the cabin front end still, the kuppe needs to carry out good cooperation with the front end cover body, blocks the rainwater, and the welding has the round ring dress structure on the front end cover body, is called the guiding gutter, and its effect just stops the rainwater outside and discharges from front end cover body both sides, and the front end cover body adopts the flat board structure, and guiding gutter welding process is easy to the front end cover body still needs to arrange some door openings, and the better processing of flat board structural.

Preferably, the top cover is formed by assembling a plurality of top cover modules.

In the scheme, the top cover adopts a modularized design, so that the size of the sub-components is reduced, and the transportation and the hoisting are convenient.

Preferably, the nacelle cover further comprises a metal frame located inside the cover body, and the top cover and the cover body are both connected to the metal frame.

In this solution, the metal frame serves as a supporting structure for the top cover and the nacelle cover to form an integral structure of the nacelle cover.

Preferably, the metal frame includes a plurality of stringers extending in a spacing direction of the top cover and the bottom cover, and a plurality of cross members extending in a spacing direction of the left side cover and the right side cover or a spacing direction of the front end cover and the rear end cover;

the top cover and the bottom cover body are connected with the cross beam, and the left cover body, the right cover body, the front end cover body and the tail end cover body are connected with the cross beam and the longitudinal beam.

In this scheme, above-mentioned setting is used for improving top cap, the cover body and metal frame's joint strength, guarantees cabin cover use's stability.

Preferably, the top cover and the cover body are connected with the metal frame flange.

In this scheme, metal frame is as the bearing structure of top cap and cover body, adopts flange joint easily to realize the connection installation of both.

The utility model has the positive progress effects that: the cabin cover is made of glass fiber reinforced plastic materials and metal materials in a combined mode, compared with an all-glass fiber reinforced plastic structure, the cabin cover is low in cost, low in weight compared with an all-metal structure, and capable of meeting the strength requirement.

Drawings

Fig. 1 is a schematic perspective view of a nacelle cover according to embodiment 1 of the utility model.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a module exploded view of the left side cover of fig. 2.

Fig. 4 is a module exploded view of the right side cover of fig. 2.

Fig. 5 is a modular exploded view of the tail end housing of fig. 2.

Fig. 6 is a modular exploded view of the bottom housing of fig. 2.

Fig. 7 is an exploded view of the corrugated board module of embodiment 1 of the present utility model.

Fig. 8 is a schematic structural view of the corrugated board body of fig. 7.

Fig. 9 is a schematic view of the corrugated shape of the corrugated board body of fig. 8.

Fig. 10 is a partial schematic view of a splicing structure of a corrugated board module according to embodiment 1 of the present utility model.

Fig. 11 is a schematic perspective view of a nacelle cover according to embodiment 2 of the utility model.

Reference numerals illustrate:

top cover 100

Roof module 101

Front end cover 200

Left side cover 300

First left corrugated board module 301

Second left side corrugated board module 302

Third left corrugated board module 303

Fourth left corrugated board module 304

Fifth left corrugated board module 305

Sixth left corrugated board module 306

Seventh left corrugated board module 307

Tail end shield 400

First trailing corrugated board module 401

Second trailing corrugated board module 402

Third trailing corrugated board module 403

Fourth trailing corrugated board module 404

Right side cover 500

First right corrugated board module 501

Second right corrugated board module 502

Third right corrugated board module 503

Fourth right corrugated board module 504

Fifth right corrugated board module 505

Sixth right corrugated board module 506

Seventh right corrugated board module 507

Bottom cover 600

First bottom corrugated board module 601

Second bottom corrugated board module 602

Third bottom corrugated board module 603

Fourth bottom corrugated board module 604

Fifth bottom corrugated board module 605

Sixth bottom corrugated board module 606

Seventh bottom corrugated board module 607

Eighth bottom corrugated board module 608

Ninth bottom corrugated board module 609

Tenth bottom corrugated board module 610

Eleventh bottom corrugated board module 611

Metal frame 700

Longitudinal beam 701

Beam 702

Left flange plate 801

Top flange plate 802

Right flange plate 803

Bottom flange plate 804

Reinforcing rib 805

Corrugated board body 806

Detailed Description

The utility model is further illustrated by means of the following examples, which are not intended to limit the scope of the utility model.

Example 1

Referring to fig. 1 and 2, the present embodiment provides a nacelle cover with a combination of a steel structure and a glass fiber reinforced plastic structure, which includes a top cover 100, a cover body and a metal frame 700, wherein the top cover 100 is made of glass fiber reinforced plastic, the cover body is made of metal, the top cover 100 is covered on the top of the cover body, and the metal frame 700 is located inside the cover body and serves as a supporting and fixing structure for the top cover 100 and the cover body.

The housing includes a left side housing 300, a right side housing 500, a front end housing 200, a rear end housing 400, and a bottom housing 600. In this embodiment, the front end cover 200 adopts a planar plate structure, the left side cover 300, the right side cover 500, the tail end cover 400 and the bottom cover 600 all adopt corrugated plate structures, and the corrugated plate structures of the left side cover 300, the right side cover 500, the tail end cover 400 and the bottom cover 600 are all assembled by adopting a plurality of corrugated plate modules.

Specifically, as shown in fig. 1 and 2, the top cover 100 is formed by assembling a plurality of top cover modules 101, and in this embodiment, the top cover is formed by assembling seven top cover modules 101. The top cover 100 adopts a modularized design, reduces the size of sub-components, and is convenient to transport and hoist. In other alternative embodiments, the number of roof modules 101 may be other, and may be specifically designed according to actual requirements.

In addition, the top cover 100 in this embodiment has a substantially flat upper end, and in other alternative embodiments, multiple interfaces may be provided on the upper end of the top cover 100 to connect with other devices to accommodate more components. The top cover 100 made of glass fiber reinforced plastic material also facilitates the production of multiple interfaces.

As shown in fig. 1 and 2, the front end cover 200 is welded by a planar metal skin and reinforcing ribs fixed to the side of the planar metal skin facing the inside of the cover body to improve the rigidity of the front end cover 200. The number of the reinforcing ribs can be more specifically based on the required rigidity requirement. The front end cover 200 adopts a flat plate structure, because the outer surface of the front end cover 200 is welded with a ring-shaped ring-mounted structure, which is called a water guide groove, and is used for blocking rainwater outside and discharging rainwater from two sides of the front end cover 200, the front end cover 200 adopts a flat plate structure, the water guide groove is easy to weld, the problem that water inflow is caused by gaps between the front end cover 200 and the water guide groove due to the corrugated plate structure of the front end cover 200 is solved, and the front end cover 200 is also required to be provided with a plurality of door openings, and the flat plate structure is better processed.

Fig. 7 and 8 show a typical structure of a corrugated board module, which includes a rectangular corrugated board body 806, flange plates fixed to four edges of the corrugated board body 806, and reinforcing ribs 805 fixed to the board surface of the corrugated board body 806, the four flange plates being a left side flange plate 801, a right side flange plate 803, a top flange plate 802, and a bottom flange plate 804, respectively. As shown in fig. 10, the adjacent corrugated board modules are butt-flange-connected through flange plates by cover fasteners 807, specifically, for the adjacent two corrugated board modules, the left side flange plate 801 of one corrugated board module is connected with the right side flange plate 803 of the other corrugated board module. In addition, the flange plate may also be used to connect with the metal frame 700.

The cover fastener 807 is located on a side of the corrugated board module facing the cabin interior, so as to facilitate assembly of the corrugated board module in the cabin interior, and the cover fastener 807 may adopt a structure such as a bolt, a stud or a screw for connecting a flange in the prior art.

Of course, the corrugated board modules can have various different shapes, such as a rectangle, a triangle, a polygon or a special shape, and the flange plate is fixed at the edge of the corrugated board main body, no matter whether the corrugated board modules are any shape, the corrugated board modules can be spliced between two corrugated board modules, the shape of the integral structure formed after the splicing can meet the required shape, the shape of the corrugated board modules is not limited, and the corrugated board modules can be adjusted according to the actually required shape.

The corrugated board main body 806 has several specifications of 1mm, 1.6mm, 2mm,3mm, 4mm and 5mm, and the larger the thickness is, the larger the wind load is born.

The corrugated shape and dimensions of the corrugated board body 806 are different and the stiffness is also different, so that customized designs can be made in areas with different wind speeds, and various corrugated shape and dimensions of the corrugated board body 806 are shown in fig. 9. The corrugated board body 806 may be continuously produced by a roll press, with a corresponding roll press forming die being selected according to the desired corrugation size.

The reinforcing ribs 805 extend in a direction perpendicular to the corrugations of the corrugated sheet body 806, the reinforcing ribs 805 serving to further increase the rigidity of the corrugated sheet module.

The following describes how the corrugated modules of the left side cover 300, right side cover 500, tail end cover 400, and bottom cover 600 are assembled:

fig. 3 shows an exploded view of the left cover 300, and the left cover 300 includes seven corrugated board modules, namely, a first left corrugated board module 301, a second left corrugated board module 302, a third left corrugated board module 303, a fourth left corrugated board module 304, a fifth left corrugated board module 305, a sixth left corrugated board module 306, and a seventh left corrugated board module 307, which are sequentially arranged along the interval direction of the front end cover 200 and the rear end cover 400, wherein the first left corrugated board module 301, the second left corrugated board module 302, the third left corrugated board module 303, the fourth left corrugated board module 304, the fifth left corrugated board module 305, and the sixth left corrugated board module 306 are left first corrugated board module units, and the seventh left corrugated board module 307 is a left second corrugated board module unit. The lengths of the first left corrugated sheet module 301, the second left corrugated sheet module 302, the third left corrugated sheet module 303, the fourth left corrugated sheet module 304, the fifth left corrugated sheet module 305, and the sixth left corrugated sheet module 306 in the interval direction of the front end cover 200 and the rear end cover 400 are all the same, and the widths of the six corrugated sheet modules in the interval direction of the top cover 100 and the bottom cover 600 are also all the same. The seventh left corrugated board module 307 is used as an adjusting module, and the length and width dimensions of the seventh left corrugated board module 307 are independently determined according to the unit dimensions, so that the size of the corrugated board module can be standardized, the production cost is reduced, the production efficiency is improved, at least one corrugated board module is reserved as a variable, and the size of the corrugated board module is conveniently adjusted according to actual conditions so as to adapt to cabin covers with different dimensions.

In other alternative embodiments, the left cover 300 may specifically include a corrugated board modules sequentially arranged along the interval direction of the front cover 200 and the rear cover 400, where the length and width dimensions of several corrugated board modules are the same, and at least one corrugated board module is used as an adjustment module, and the length and width dimensions of the at least one corrugated board module are individually determined according to the unit dimension. a is a positive integer of 2 or more.

Fig. 4 shows an exploded view of the right mask 500, the right mask 500 also includes seven corrugated board modules arranged in sequence along the direction of separation of the front mask 200 and the rear mask 400, respectively, a first right corrugated board module 501, a second right corrugated board module 502, a third right corrugated board module 503, a fourth right corrugated board module 504, a fifth right corrugated board module 505, a sixth right corrugated board module 506, and a seventh right corrugated board module 507, wherein the first right corrugated board module 501, the second right corrugated board module 502, the third right corrugated board module 503, the fourth right corrugated board module 504, the fifth right corrugated board module 505, and the sixth right corrugated board module 506 are right first corrugated board module units, and the seventh right corrugated board module 507 is a right second corrugated board module unit. The lengths of the first right corrugated sheet module 501, the second right corrugated sheet module 502, the third right corrugated sheet module 503, the fourth right corrugated sheet module 504, the fifth right corrugated sheet module 505, and the sixth right corrugated sheet module 506 in the interval direction of the front end cover 200 and the rear end cover 400 are the same, and the widths of the six corrugated sheet modules in the interval direction of the top cover 100 and the bottom cover 600 are also the same. The seventh right corrugated board module 507 is used as an adjusting module, and the length and width dimensions of the seventh right corrugated board module 507 are independently determined according to the unit dimensions, so that the dimensions of the corrugated board modules can be standardized, the production cost is reduced, the production efficiency is improved, at least one corrugated board module is reserved as a variable, and the dimensions of the corrugated board modules are conveniently adjusted according to actual conditions so as to adapt to cabin covers with different dimensions.

In other alternative embodiments, the right cover 500 may specifically include b corrugated board modules sequentially arranged along the interval direction of the front cover 200 and the rear cover 400, where the length and width dimensions of several corrugated board modules are the same, and at least one corrugated board module is used as an adjustment module, and the length and width dimensions thereof are individually determined according to the unit dimensions. b is a positive integer greater than or equal to 2.

Fig. 5 shows an exploded view of the tail end cover 400, the tail end cover 400 includes four corrugated board modules, which are a first tail end corrugated board module 401, a second tail end corrugated board module 402, a third tail end corrugated board module 403, and a fourth tail end corrugated board module 404, which are arranged in sequence along the interval direction of the left side cover 300 and the right side cover 500, wherein the first tail end corrugated board module 401 and the fourth tail end corrugated board module 404 are tail end first corrugated board module units, the lengths of the first tail end corrugated board module 401 and the fourth tail end corrugated board module 404 in the interval direction of the left side cover 300 and the right side cover 500 are the same, and the widths of the two corrugated board modules in the interval direction of the top cover 100 and the bottom cover 600 are the same. The second and third trailing corrugated board modules 402 and 403 are trailing second corrugated board module units, the lengths of the second and third trailing corrugated board modules 402 and 403 in the spacing direction of the left and right side covers 300 and 500 are the same, and the widths of the two corrugated board modules in the spacing direction of the top cover 100 and the bottom cover 600 are the same. In addition, the second tail corrugated board module 402 and the third tail corrugated board module 403 are used as adjustment modules, and the length and width dimensions of the second tail corrugated board module and the third tail corrugated board module 403 are independently determined according to the unit dimensions, so that the dimensions of the corrugated board modules can be standardized, the production cost is reduced, the production efficiency is improved, at least one corrugated board module is reserved as a variable, and the dimensions of the corrugated board modules can be conveniently adjusted according to actual conditions so as to adapt to cabin covers with different dimensions.

In other alternative embodiments, the tail end cover 400 may specifically include c corrugated board modules sequentially arranged along the spacing direction of the left side cover 300 and the right side cover 500, where the length and width dimensions of several corrugated board modules are the same, and at least one corrugated board module is used as an adjustment module, and the length and width dimensions thereof are individually determined according to the unit dimension. c is a positive integer of 2 or more.

Further, the lengths of the first left corrugated plate module 301, the second left corrugated plate module 302, the third left corrugated plate module 303, the fourth left corrugated plate module 304, the fifth left corrugated plate module 305, the sixth left corrugated plate module 306, the first right corrugated plate module 501, the second right corrugated plate module 502, the third right corrugated plate module 503, the fourth right corrugated plate module 504, the fifth right corrugated plate module 505, the sixth right corrugated plate module 506 in the spacing direction of the front end cover 200 and the rear end cover 400, and the lengths of the first rear end corrugated plate module 401 and the fourth rear end corrugated plate module 404 in the spacing direction of the left side cover 300 and the right side cover 500 are the same. The first left corrugated board module 301, the second left corrugated board module 302, the third left corrugated board module 303, the fourth left corrugated board module 304, the fifth left corrugated board module 305, the sixth left corrugated board module 306, the first right corrugated board module 501, the second right corrugated board module 502, the third right corrugated board module 503, the fourth right corrugated board module 504, the fifth right corrugated board module 505, the sixth right corrugated board module 506, the first trailing corrugated board module 401, and the fourth trailing corrugated board module 404 are all the same in width in the interval direction of the top cover 100 and the bottom cover 600. The size of the corrugated board module is further standardized through the arrangement, the production cost is reduced, and the production efficiency is improved.

Fig. 6 shows an exploded view of a bottom cover 600, where the bottom cover 600 includes eleven corrugated board modules, namely, a first bottom corrugated board module 601, a second bottom corrugated board module 602, a third bottom corrugated board module 603, a fourth bottom corrugated board module 604, a fifth bottom corrugated board module 605, a sixth bottom corrugated board module 606, a seventh bottom corrugated board module 607, an eighth bottom corrugated board module 608, a ninth bottom corrugated board module 609, a tenth bottom corrugated board module 610, and an eleventh bottom corrugated board module 611, where the seventh bottom corrugated board module 607 and the tenth bottom corrugated board module 610 are spliced to form a circular large hole of the bottom cover 600, the fourth bottom corrugated board module 604 has a rectangular large hole, and the fifth bottom corrugated board module 605 has a rectangular small hole.

It should be noted that, as shown in fig. 2 and 6, a plurality of holes are formed in the front end cover 200 and the bottom cover 600 with respect to the left side cover 300, the right side cover 500 and the rear end cover 400, and the structure is relatively complex, so that the front end cover 200 and the bottom cover 600 may be made of glass fiber reinforced plastic instead of metal, so as to facilitate the processing and meet the strength and rigidity requirements. And when the bottom cover 600 is made of glass fiber reinforced plastic, it does not need to be made into a corrugated board structure, and the requirements of rigidity and strength can be met by making into a planar board structure.

As shown in fig. 2, the metal frame 700 includes a plurality of stringers 701 extending in the spaced direction of the top cover 100 and the bottom cover 600, and a plurality of beams 702 extending in the spaced direction of the left and right covers 300 and 500 or the spaced direction of the front and rear covers 200 and 400, and the stringers 701 and the beams 702 are connected to each other and are spliced to form the metal frame 700. In this embodiment, the top cover 100 and the bottom cover 600 are connected to the cross member 702, and the left cover 300, the right cover 500, the front cover 200, and the rear cover 400 are connected to the cross member 702 and the side member 701. Specifically, the top flange plate 802 and the bottom flange plate 804 can be in flange connection with the cross beam 702, and the left flange plate 801 and the right flange plate 803 can be in flange connection with the longitudinal beam 701, so that the connection strength of the top cover 100, the cover body and the metal frame 700 can be improved, and the stability of the nacelle cover in the using process can be ensured.

Example 2

The present embodiment is basically the same as embodiment 1 in that the top cover 100 is different in structure.

As shown in fig. 11, the top cover 100 in the present embodiment includes nine top cover modules 101, and a plurality of interfaces are provided on the upper end surface of the top cover 100 to connect with other devices to fit more components. The top cover 100 made of the glass fiber reinforced plastic material is convenient for producing a plurality of interfaces and has low production difficulty.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (13)

1. A nacelle cover of a steel structure and glass fiber reinforced plastic structure combination, comprising:

the top cover is made of glass fiber reinforced plastic materials; the method comprises the steps of,

the cover body, cover the body and cover the body including left side cover body, right side cover body, front end cover body, tail end cover body and bottom cover body, the front end cover body with the hole has been seted up on the bottom cover body, the front end cover body with the bottom cover body adopts glass steel material or metal material, the left side cover body right side cover body with the tail end cover body adopts metal material.

2. The nacelle cover of claim 1, wherein the bottom cover is made of metal, and the left cover, the right cover, the tail cover, and the bottom cover are corrugated.

3. The nacelle cover of claim 2, wherein the left side cover, the right side cover, the tail end cover, and the bottom cover are assembled from a plurality of corrugated board modules.

4. A nacelle cover in combination with a steel structure and a glass fiber reinforced plastic structure according to claim 3, wherein the corrugated board modules comprise corrugated board bodies and flange plates fixed to edges of the corrugated board bodies, and adjacent corrugated board modules are detachably linked by the cover body fasteners in cooperation with the flange plates.

5. The nacelle cover of a steel structure and glass fiber reinforced plastic structure combination of claim 4, wherein the left side cover comprises a blocks of the corrugated board modules sequentially arranged along the interval direction of the front end cover and the tail end cover, wherein a plurality of the corrugated board modules are left side first corrugated board module units, and at least one of the corrugated board modules is left side second corrugated board module units; the lengths of the left first corrugated board module units in the interval direction of the front end cover body and the tail end cover body are the same, and the widths of the left first corrugated board module units in the interval direction of the top cover and the bottom cover body are the same; a is a positive integer greater than or equal to 2;

the right side cover body comprises b corrugated board modules which are sequentially arranged along the interval direction of the front end cover body and the tail end cover body, wherein a plurality of corrugated board modules are right side first corrugated board module units, at least one corrugated board module unit is right side second corrugated board module units, the lengths of the right side first corrugated board module units in the interval direction of the front end cover body and the tail end cover body are the same, and the widths of the right side first corrugated board module units in the interval direction of the top cover and the bottom cover body are the same; m is a positive integer greater than or equal to 2;

the tail end cover body comprises c corrugated board modules which are sequentially arranged along the interval direction of the left side cover body and the right side cover body, wherein a plurality of corrugated board modules are tail end first corrugated board module units, at least one corrugated board module unit is tail end second corrugated board module unit, the lengths of the tail end first corrugated board module units in the interval direction of the left side cover body and the right side cover body are the same, and the widths of the tail end first corrugated board module units in the interval direction of the top cover and the bottom cover body are the same; c is a positive integer of 2 or more.

6. The nacelle cover of a steel structure in combination with a glass fiber reinforced plastic structure of claim 5, wherein a length of the left first corrugated sheet module unit in a spacing direction of the front end cover and the rear end cover, a length of the right first corrugated sheet module unit in a spacing direction of the front end cover and the rear end cover, and a length of the rear first corrugated sheet module unit in a spacing direction of the left cover and the right cover are the same;

the widths of the left first corrugated board module unit, the right first corrugated board module unit and the tail first corrugated board module unit in the interval direction of the top cover and the bottom cover are the same.

7. A nacelle cover in combination with a steel structure according to claim 4 wherein the cover fasteners are located on the side of the corrugated board module facing the interior of the nacelle.

8. The nacelle cover of claim 4, wherein the corrugated panel module further comprises at least one reinforcing rib extending in a direction perpendicular to the corrugations of the corrugated panel.

9. Nacelle cover of a combination of a steel structure and a glass fibre reinforced plastic structure according to claim 2, wherein the front end cover body is of a planar plate structure.

10. The nacelle cover of claim 1, wherein the roof is assembled from a plurality of roof modules.

11. Nacelle cover in combination with a steel structure according to any of claims 1-10, wherein the nacelle cover further comprises a metal frame inside the cover body, the top cover and the cover body being both connected to the metal frame.

12. A nacelle cover in combination with a glass fiber reinforced plastic structure according to claim 11, wherein the metal frame comprises a plurality of stringers extending in a direction of separation of the top cover and the bottom cover and a plurality of beams extending in a direction of separation of the left side cover and the right side cover or a direction of separation of the front end cover and the rear end cover;

the top cover and the bottom cover body are connected with the cross beam, and the left cover body, the right cover body, the front end cover body and the tail end cover body are connected with the cross beam and the longitudinal beam.

13. Nacelle cover of a steel structure in combination with a glass fiber reinforced plastic structure of claim 12, wherein the top cover and the cover are both flange-connected to the metal frame.