KR101628256B1 - Wind power generator - Google Patents

Abstract

In particular, the present invention relates to a wind turbine generator, and more particularly to a wind turbine generator having a tower that is vertically long and at least partially formed of steel, a nacelle positioned above the tower, a blade rotatably connected to one side of the nacelle, And an observation deck installed at a portion of the tower formed of steel, wherein the observing deck includes a plurality of modules, wherein the observation deck comprises a plurality of modules which can be easily assembled to a tower, And an observation deck including the observation deck.

Description

Wind power generator

The present invention relates to a wind power generator.

More particularly, to a wind power generator having an observation deck including a plurality of modules that can be easily assembled to a tower and can be easily transported and stored.

 Recently, fossil fuels such as coal and petroleum are getting depleted, and environmental pollution caused by the use of fossil fuels becomes serious. Therefore, a pollution-free alternative energy generation method using wind power is attracting attention and a wind power generation device is required for wind power generation.

Generally, a wind power generator is a device that generates electricity by rotating a generator in a nacelle by the rotational force of a blade rotating by a naturally occurring wind.

Towers of such wind power generators can be equipped with observatories to observe the surrounding scenery or to monitor disasters.

Such a conventional wind power generator is disclosed in Korean Patent Laid-Open Publication No. 2002-0086606.

Korean Patent Publication No. 2002-0086606 discloses that the observation platform is disposed on the tower of the wind power generator directly below the machine housing and is fixed to the tower of the wind power generator by the support structure

However, such a conventional wind power generation device has a problem that it is difficult to assemble and transport the observation platform itself since it is required to be manufactured and installed in the tower.

In addition, such a conventional wind power generator has a problem that the observation platform is not easy to maintain.

Further, such a conventional wind power generation apparatus has a problem that safety and economical efficiency can not be secured when the tower is made of steel material and the height of the tower is made higher.

In addition, the conventional wind power generator has a problem that the tower is made of a steel material, which limits the size and installation height of the observation platform.

Further, in such a conventional wind turbine generator, there is a problem that a separate crane is required when replacing the generator in the machine housing.

KR 2002-0086606 A

It is an object of the present invention to provide a wind turbine equipped with an observation deck including a plurality of modules that can be simply assembled to a tower and can be easily transported and stored.

According to an aspect of the present invention, there is provided a wind turbine generator comprising: a tower that is vertically installed and at least partially formed of steel; a nacelle positioned above the tower; And a observation deck installed at a portion formed by the steel of the tower, wherein the observation deck comprises a plurality of modules.

In addition, a maintenance space penetrating vertically is formed at one side of the observatory.

In addition, a first flange having a plurality of first assembling parts and a second flange having a plurality of second assembling parts are vertically spaced apart from each other on the outer circumferential surface of the steel-made portion of the tower.

The module may further include two first beams respectively fixed to the two first assemblies closest to each other and two first beams fixed to the two second assemblies closest to each other so as to face the two first beams Two second beams, two third beams respectively fixed to the outer ends of the first beam and the second beam closest to each other, and two third beams fixed to the first plate and the second plate fixed to the first flange, A second plate fixed to the two second beams and the second flange, and a third plate fixed to the two third beams, wherein the first beam is a long plate 1. An apparatus comprising: an upper beam, a first lower beam formed to be longer in the longitudinal direction so as to be parallel to the first upper beam, a first center beam connecting between the first upper beam and the first lower beam, And a plurality of first ribs formed on both sides of the beam, The second beam includes a second upper beam formed to be longer in the longitudinal direction, a second lower beam formed to be longer in the longitudinal direction so as to be in parallel with the second upper beam, and a second lower beam formed between the second upper beam and the second lower beam And a plurality of second ribs formed on both sides of the second central beam.

According to an aspect of the present invention, there is provided a wind turbine generator including a tower installed vertically in a vertical direction, a nacelle positioned at an upper end of the tower, a blade rotatably connected to one side of the nacelle, And a maintenance space penetrating up and down is formed on one side of the observation deck.

The wind turbine generator according to the present invention has the following advantages.

The wind turbine generator according to the present invention is advantageous in that the observation tower includes a plurality of modules and is easy to assemble and fix directly to the tower and facilitates transportation and storage of the members constituting the module.

The wind turbine generator according to the present invention is advantageous in that the observatory includes a plurality of modules to facilitate maintenance.

The wind turbine generator according to the present invention is advantageous in that it can facilitate repair and maintenance of the generator through a balcony installed in the maintenance space and the maintenance space.

The wind turbine generator according to the present invention is advantageous in that the generator is not caught by the observation deck due to the maintenance space formed in the observation deck even if the generator is raised and lowered by the crane installed in the nacelle when the generator inside the nacelle is replaced.

The wind turbine generator according to the present invention is advantageous in that a separate external crane is not required when replacing the generator in the nacelle.

The wind power generator according to the present invention is advantageous in that each beam and each plate can be firmly fixed through a flange and an assembly formed in a steel tower.

The wind power generator according to the present invention is advantageous in that the lower part of the tower is made of a concrete tower and the upper part of the tower is made of a steel tower so that the overall height of the tower can be manufactured safely and economically.

The wind turbine generator according to the present invention can increase the size of the observatory, the height of the installation can be increased, and the displacement or torsion can be reduced compared with a tower made of steel material.

1 is a perspective view illustrating a wind power generator according to a preferred embodiment of the present invention.
2 is a perspective view showing an observatory according to a preferred embodiment of the present invention;
3 is a perspective view of a module of an observatory according to a preferred embodiment of the present invention.
FIG. 4 is an exploded perspective view of FIG. 3; FIG.
5 is a bottom perspective view showing that the generator of the wind power generator according to the preferred embodiment of the present invention is lifted and lowered by a crane inside the nacelle.
FIG. 6 is a cross-sectional view taken along line AA of FIG. 3; FIG.
FIG. 7 is a cross-sectional view showing another embodiment of FIG. 6; FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

For reference, the same components as those of the prior art of the present invention will be described with reference to the above-mentioned prior arts, and a detailed description thereof will be omitted.

FIG. 1 is a perspective view illustrating a wind turbine according to a preferred embodiment of the present invention. FIG. 2 is a perspective view illustrating an observatory according to a preferred embodiment of the present invention. FIG. 4 is an exploded perspective view of FIG. 3, and FIG. 5 is a bottom perspective view showing a generator of a wind turbine generator according to a preferred embodiment of the present invention being lifted and lowered by a crane inside a nacelle. And FIG. 6 is a cross-sectional view taken along line AA of FIG.

1 to 6, a wind turbine generator according to a preferred embodiment of the present invention includes a tower 100 installed vertically and at least partially formed of steel, A blade 300 connected to one side of the nacelle 200 to rotate and a gaze table 400 installed on a portion formed by the steel of the tower 100, Is characterized by including a plurality of modules 400a.

The tower 100 is installed long in the vertical direction.

The tower 100 is installed so that the lower end thereof is fixed to the floor, and the upper end supports the nacelle 200 to be described later and serves as a support.

The tower 100 has a circular cross-section and is preferably formed to have a smaller cross-sectional area from the bottom to the top for structural stability.

An elevating means (not shown) such as a staircase or an elevator may be installed inside the tower 100.

The tower 100 is at least partially formed of steel.

More specifically, the tower 100 includes a concrete tower 110 and a steel tower 120.

A concrete foundation 111 is formed at the lower end of the concrete tower 110 to firmly fix the concrete tower 110 to the floor.

The steel tower 120 is fixed to the upper end of the concrete tower 110 in a cylindrical shape whose cross section becomes smaller from the lower part to the upper part.

The diameter of the concrete tower 110 is preferably larger than the diameter of the steel tower 120.

Modules 400a of the observing table 400, which will be described later, are fixedly installed on the outer peripheral surface of the lower side of the steel tower 120.

The reason why the tower 100 is composed of the concrete tower 110 and the steel tower 120 is that it is possible to make the overall height and size of the tower 100 larger and more securely and economically than a conventional tower made only of steel material .

A first flange 121 and a second flange 123 are vertically spaced from each other on the outer circumferential surface of the tower 100.

More specifically, the first flange 121 and the second flange 123 are vertically spaced apart from each other on the lower outer surface of the steel tower 120, and the first flange 121 is formed on the upper side of the second flange 123 .

The first flange 121 is formed over the entire circumference of the lower outer surface of the steel tower 120.

The first flange 121 protrudes radially outward from the lower outer peripheral surface of the steel tower 120.

The first flange 121 is hollow and has a generally round belt shape.

The first flange 121 is a portion where the first beam 410 and the first plate 440 of the module 400a to be described later are fixedly installed.

The first flange 121 is formed with a plurality of first assembly parts 122 spaced apart from each other along the circumference of the first flange 121.

The first assembly part 122 is continuously recessed over the upper surface, the lower surface and the peripheral surface of the first flange 121 and is hollow like the first flange 121.

The recessed depth of the upper portion 1221 of the first assembly portion 122 is similar to the thickness of the upper portion of the first upper beam 411 to be described later and the recessed depth of the lower portion 1225 of the first assembly portion 122 is The depth of the front part 1223 of the first assembly part 122 is similar to that of the first rib 417 described later.

Each of the first assemblies 122 is fixedly installed with a first beam 410 to be described later and the first assemblies 122 correspond to the first inserts 419 formed on the first beam 410 As shown in FIG.

A plurality of first fastening holes 121a are formed on the upper surface of the first flange 121 between the first assembly portions 122 adjacent to each other so as to be spaced along the circumferential direction of the first flange 121. [

A thread for fastening the bolt B is formed on the inner circumferential surface of the first fastening hole 121a.

In this embodiment, three first holes 121a are formed between the first assembling portions 122 closest to each other.

The three first fastening holes 121a correspond to the three first fastening holes 440a formed in the vicinity of the center of the rear edge of the first plate 440, which will be described later.

Two second fastening holes 1221a spaced apart from each other in the circumferential direction of the first flange 121 are formed on the upper portion 1221 of each first assembly portion 122, Two third fastening holes 1223a spaced along the circumferential direction of the first flange 121 are formed on the front portion 1223 of the first flange 121. [

The second fastening hole 1221a on the left side is formed with a fourth fastening hole 411b formed in the vicinity of the rear right corner of the seventh fastening hole 411a formed on the left side of the rear side end portion of the first upper beam 411 and a first plate 440 And the second fastening hole 1221a on the right side corresponds to the seventh fastening hole 411a formed on the right side of the rear side end of the first upper beam 411, And an eleventh fastening hole 440a formed in the vicinity of the rear left edge of the first fastening hole 440. [

The two third fastening holes 1223a are formed in the first ribs 417 of the first ribs 417 that are closest to the tower 100 among the first ribs 417 of the first beam 410 417a.

On the inner circumferential surface of the second fastening hole 1221a and the inner circumferential surface of the third fastening hole 1223a, threads for fastening the bolt B are formed.

The second flange 123 is formed to surround the lower outer circumferential surface of the steel tower 120 and is spaced apart from the lower side of the first flange 121.

The second flange 123 protrudes radially outward from the lower outer peripheral surface of the steel tower 120.

The second flange 123 is hollow and has a generally round belt shape.

The second flange 123 is a portion where the second beam 420 and the second plate 450 of the module 400a to be described later are fixedly installed.

The second flange 123 is formed with a plurality of second assemblies 124 spaced from one another along the circumference of the second flange 123.

The second assembly portion 124 is continuously recessed over the upper and lower surfaces of the second flange 123 and is hollowed like the second flange 123.

The recessed depth of the upper portion 1241 of the second assembly portion 124 is similar to the thickness of the upper portion of the second upper beam 421 to be described later and is smaller than the recessed depth of the lower portion of the second assembly portion 124 And the depth of the front part 1243 of the second assembly part 124 is similar to that of the second rib 427 to be described later.

Each of the second assemblies 124 is fixedly installed with a second beam 420 to be described later and the second assemblies 124 correspond to the second inserts 429 formed on the second beam 420 As shown in FIG.

A plurality of fourth fastening holes 123a are formed on the upper surface of the second flange 123 between the adjacent second assemblies 124 so as to be spaced apart from each other along the circumferential direction of the second flange 123.

On the inner circumferential surface of the fourth fastening hole 123a, a screw thread for fastening the bolt B is formed.

In the present embodiment, three of the fourth fastening holes 123a are formed between the second assembly parts 124 closest to each other.

The three fourth fastening holes 123a correspond to the three second fastening holes 450a formed in the vicinity of the center of the rear edge of the second plate 450, which will be described later.

The upper part 1241 of each second assembly part 124 is formed with two fifth fastening holes 1241a spaced along the circumferential direction of the second flange 123, Two second fastening holes 1243a spaced along the circumferential direction of the second flange 123 are formed.

The fifth fastening hole 1241a on the left side is formed with a ninth fastening hole 421a formed on the left side of the rear side end portion of the second upper beam 421 and a second fastening hole 421b formed near the rear right side edge of the second plate 450, And the fifth fastening hole 1241a on the right side corresponds to the ninth fastening hole 421a formed on the right side of the rear side end of the second upper beam 421, And the twelfth fastening hole 450a formed in the vicinity of the rear left edge of the second fastener 450.

The two sixth fastening holes 1243a are formed on the second ribs 427 of the second beam 422 which are closest to the tower 100 among the second ribs 427 of the second beam 420, 427a.

On the inner circumferential surface of the fifth fastening hole 1241a and the inner circumferential surface of the sixth fastening hole 1243a, threads for fastening the bolt B are formed.

The nacelle 200 is located at the upper end of the steel tower 120.

The nacelle 200 is a machine room including parts for generating electricity through rotation of a blade 300 to be described later.

Inside the nacelle 200, a generator G connected to one end of a horizontal shaft (not shown) for generating electric power, a gear box (not shown) for increasing a rotational speed input to the generator G, The necessary devices are accepted.

An opening 210 is formed on the bottom surface of the rear side of the nacelle 200 so that the generator G can be replaced by the inner crane C of the nacelle 200.

The nacelle 200 can be rotated clockwise or counterclockwise by a motor (not shown).

The opening 210 can be opened and closed by opening / closing means (not shown).

A blade 300 is connected to one side of the nacelle 200.

The blade 300 is disposed on the front side of the nacelle and is fixed to the other end of a horizontal shaft (not shown), one end of which is connected to the generator G.

The blade 300 is generally made up of three blades formed into a radial shape.

The blade 300 is rotated by the wind, and the rotational force resulting therefrom is converted into electric power through the generator G. [

The observation tower 400 is installed in the tower 100 to observe the surrounding scenery and monitor the disaster.

The observation platform 400 is preferably fixed to the outer circumferential surface of the lower side of the steel tower 120.

A receiving space 401 is formed in the observatory 400 to receive viewers and the receiving space 401 communicates with an elevating means (not shown) inside the tower 100, To the inside of the receiving space 401 of the observatory 400.

The observatory 400 includes a plurality of modules 400a.

A plurality of modules 400a are formed along the outer circumferential surface of the tower 100. Fig.

The plurality of modules 400a are fixed to the outer circumferential surface of the tower 100 in a radial form with respect to the tower 100.

The two modules 400a closest to each other among the plurality of modules 400a include a first beam 410, a second beam 420 and a third beam 430 which are overlapped with each other.

One module 400a includes two first beams 410, two second beams 420, two third beams 430, a first plate 440, a second plate 450, (460).

The two first beams 410 included in one module 400a are respectively fitted to the two first assemblies 122 closest to each other and fixed to be spaced apart from each other along the circumference of the tower 100. [

The first beam 410 includes a first upper beam 411 formed integrally with the first upper beam 411 and a first lower beam 413 formed to be longer in the longitudinal direction so as to be parallel to the first upper beam 411, A first central beam 415 connecting the first upper beam 411 and the first lower beam 413 and a plurality of first ribs 417 formed on both sides of the first central beam 415, .

The first upper beam 411 and the first lower beam 413 are substantially the same and vertically spaced.

The first upper beam 411, the first lower beam 413, and the first central beam 415 are formed to be long in the radial direction of the tower 100.

The first upper beam 411 has a plurality of seventh fastening holes 411a spaced from each other along the longitudinal direction.

The seventh fastening hole 411a in the left column corresponds to the eleventh fastening hole 440a formed along the right edge of the first plate 440 to be described later and the seventh fastening hole 411a in the right row corresponds to the first And an eleventh fastening hole 440a formed along the left edge of the plate 440. [

The first central beam 415 is vertically connected to the lower surface of the first upper beam 411 and the lower end of the first central beam 415 is perpendicularly connected to the upper surface of the first lower beam 413. [

Each of the first ribs 417 is formed on the lower surface of the first upper beam 411 and the upper surface of the first lower beam 413 and the left and right sides of the first central beam 415. In this embodiment, The first ribs 417 are spaced from each other along the longitudinal direction of the first beam 410.

The first rib 417 is formed perpendicularly to the lower surface of the first upper beam 411 and the upper surface of the first lower beam 413 and perpendicularly intersects the first central beam 415, 410).

The first rib 417 closest to the tower 100 has two eighth fastening holes 417a spaced left and right.

A first insertion portion 419 is formed at one end of the first beam 410 adjacent to the tower 100.

The first insertion portion 419 is accommodated in the first insertion portion 419 as a concave groove formed for the first beam 410 to fit into the first assembly portion 122.

The first insertion portion 419 is preferably formed to correspond to the shape of the first assembly portion 122.

The first central beam 415 is not formed in the first insertion portion 419.

The first inserting portion 419 is formed by a portion of the lower surface of the first upper beam 411 closest to the tower 100 closest to the tower 100 and a portion of the upper surface of the first lower beam 413 closest to the tower 100, 100, the first insertion portion 419 is pierced right and left, and the rear side is opened.

That is, the first insertion portion 419 is surrounded by the first beam 410 on the longitudinal end face of the first beam 410 in a " C "shape.

The two second beams 420 included in one module 400a are respectively inserted into the two second assemblies 124 closest to each other so as to face the two first beams 410 fixed in the upper chamber, 100, respectively.

The second beam 420 has substantially the same shape as the first beam 410.

The second beam 420 includes a second upper beam 421 and a second lower beam 423 that are formed to be long in parallel to the second upper beam 421, A second central beam 425 connecting the second upper beam 421 and the second lower beam 423 and a plurality of second ribs 427 formed on both sides of the second central beam 425, .

The second upper beam 421 and the second lower beam 423 are substantially the same and are vertically spaced.

The second upper beam 421, the second lower beam 423, and the second central beam 425 are formed to be long in the radial direction of the tower 100.

The second upper beam 421 is formed with a plurality of ninth fastening holes 421a spaced from each other along the longitudinal direction in two rows.

The ninth fastening hole 421a in the left row corresponds to the twelfth fastening hole 450a formed along the right edge of the second plate 450 to be described later and the ninth fastening hole 421a in the right row corresponds to the second And a twelfth fastening hole 450a formed along the left edge of the plate 450. [

The upper end of the second central beam 425 is vertically connected to the lower surface of the second upper beam 421 and the lower end of the second central beam 425 is vertically connected to the upper surface of the second lower beam 423.

Each of the second ribs 427 is formed on the lower surface of the second upper beam 421, the upper surface of the second lower beam 423, and the left and right sides of the second central beam 425. In this embodiment, The first ribs 417 are spaced apart from each other along the longitudinal direction of the second beam 420.

The second rib 427 is formed to be perpendicular to the lower surface of the second upper beam 421 and the upper surface of the second lower beam 423 and perpendicular to the second central beam 425, 420).

The second rib 427 closest to the tower 100 has two tenth fastening holes 427a spaced apart from each other.

A second insertion portion 429 is formed at one end of the second beam 420 adjacent to the tower 100.

The second insertion portion 429 is accommodated in the second insertion portion 429 as a concave groove formed for the second beam 420 to fit into the second assembly portion 124.

The second insertion portion 429 is preferably formed to correspond to the shape of the second assembly portion 124.

And the second center beam 425 is not formed in the second insertion portion 429.

The second inserting portion 429 is formed by inserting a portion of the second upper beam 421 on the end side nearest to the tower 100 and a portion of the upper side of the second lower beam 423 closest to the tower 100, 100, the second insertion portion 429 is pierced right and left, and the rear side is opened.

That is, the second insert 429 is surrounded by the second beam 420 in the longitudinal direction of the second beam 420 in a "C" shape.

The two third beams 430 included in one module 400a are fixed to the outer ends of the first beam 410 and the second beam 420 which are closest to each other.

The third beam 430 has a rectangular pipe shape and is installed long in the vertical direction.

An upper flange 431 and a lower flange 433 for fixing the third beam 430 to the first beam 410 and the second beam 420 are formed respectively at the upper and lower ends of the third beam 430 .

One third beam 430 included in one module 400a has an upper flange 431 on the lower end of the first lower beam 413 of the left first beam 410 included in the same module 400a And the lower flange 433 is welded or bolted to the upper surface of the outer end of the second upper beam 421 of the left second beam 420 to be fixed.

The other third beam 430 included in one module has an upper flange 431 on the lower end of the first lower beam 413 of the right first beam 410 included in the same module 400a And the lower flange 433 is welded or bolted to the upper surface of the outer end of the second upper beam 421 of the right second beam 420 to be fixed.

The first plate 440 included in one module 400a is fixed to the first beam 410 included in the same module 400a and the first flange 121 formed on the tower 100. [

The first plate 440 is a steel plate.

The first plate 440 is rounded so that the rear side (tower side) end corresponds to the outer circumferential surface of the tower 100.

The width of the first plate 440 increases as the distance from the outer peripheral surface of the tower 100 increases.

A plurality of eleventh fastening holes 440a are formed near the end of the first plate 440 on the side of the tower 100 and near the left end and the right end.

That is, the eleventh fastening holes 440a are formed along the left, right, and rear (tower side) rims of the first plate 440.

The respective eleventh fastening holes 440a are spaced apart from each other.

The first plate 440 included in one module 400a is disposed on the upper right side of the first upper beam 411 of the first left beam 410 included in the same module 400a and the upper right side of the right first beam 410 The first upper beam 411 is bolted to cover the left side of the upper surface of the first upper beam 411 and a portion of the first flange 121.

At this time, the left upper portion of the first upper beam 411 of the left first beam 410 and the upper right portion of the first upper beam 411 of the right first beam 410, which are not covered with the first plate 440, The first plates 440 of the modules 400a are covered.

The second plate 450 included in one module 400a is fixed to the two second beams 420 included in the same module 400a and the second flange 123 formed on the tower 100. [

The second plate 450 is a plate made of steel.

The second plate 450 is rounded so that the rear side (tower side) end corresponds to the outer circumferential surface of the tower 100.

The second plate 450 is also formed so that the front end thereof is also rounded.

The width of the second plate 450 increases as the distance from the outer circumferential surface of the tower 100 increases.

The front left and right corners of the second plate 450 are cut so that the lower flange 433 of the third beam 430 can be received.

A plurality of twelfth fastening holes 450a are formed near the end of the second plate 450 on the side of the tower 100 and near the left end and the right end.

That is, the twelfth fastening holes 450a are formed along the left, right and rear (tower side) rims of the first plate 450.

Each of the twelfth fastening holes 450a is spaced apart from each other.

The second plate 450 included in one module 400a is disposed on the upper right side of the second upper beam 421 of the left second beam 420 included in the same module 400a and the upper right side of the second upper beam 421 of the right second beam 420 The second upper beam 421 is bolted to cover the left side portion of the upper surface and a portion of the second flange 123.

The left upper portion of the second upper beam 421 of the left second beam 420 without covering the second plate 450 and the upper right portion of the second upper beam 421 of the right second beam 420 are different from each other The second plates 450 of the modules 400a are covered.

The third plate 460 included in one module 400a is fixed to the two third beams 430 included in the same module 400a.

The third plate 460 is preferably made of a transparent material so that viewers can see the outside from the inside of the receiving space 401 of the observatory 400.

The third plate 460 may be a rectangular glass plate as a whole.

The left end of the third plate 460 included in one module 400a is fixed to the right side of the left third beam 430 included in the same module 400a, The right end of the right third beam 430 is fixed to the left side of the right third beam 430 included in the same module 400a.

Thus, the two first beams 410, the two second beams 420, the two third beams 430, the first plate 440, the second plate 450, and the third plate 460 One module 400a is pierced to the left and right and a plurality of modules 400a are extended to the left and right (circumferential direction of the tower) of one module 400a and the observing table 400 is installed in the tower 100. [

Each of the first beam 410, the second beam 420, the third beam 430, the first plate 440, and the second plate 440 of the plurality of modules 400a, The first plate 450 and each third plate 460 are installed radially with respect to the tower.

If necessary, a maintenance space 470 may be formed in the observatory 400.

The maintenance space 470 is a space formed between two modules 400a that are spaced apart from each other.

The maintenance space 470 is formed in a shape in which a part of the observation platform 400 is cut.

The maintenance space 470 is formed between the side of one module 400a and the side of another module 400a.

At this time, a side member 490 for finishing is fixed to the side of the module 400a and the side of the other module 400a.

At least one of the side members 490 may be formed with a door D so that the receiving space 401 of the observatory 400 and the balcony 480 to be described later can communicate with each other.

The maintenance space 470 penetrates up and down, and is open radially outward of the tower 100.

The maintenance space 470 is provided to maintain the generator G installed in the nacelle 200 or to replace the generator G installed in the nacelle 200 with a crane C installed in the nacelle 200, As shown in Fig.

The generator G raised and lowered by the crane C installed in the nacelle 200 itself can be raised and lowered without interfering with the observation platform 400 through the maintenance space 470. Even if there is no separate external crane, ) Can be replaced.

In this embodiment, the angle between the maintenance spaces 470 is preferably approximately 45 degrees.

In the maintenance space 470, a balcony 480 is installed.

The balcony 480 is installed in the maintenance space 470 by using a crane C installed in the nacelle 200 to maintain the generator G installed in the nacelle 200 for maintenance such as repair and maintenance.

The balcony 480 is composed of a receiving portion 481 and a fence 483.

The balcony 480 is a portion for accommodating a person to maintain the generator G installed in the nacelle 200.

The pedestal 481 forms the bottom of the balcony 480.

The support portion 481 serves to support a person to maintain the generator G installed in the nacelle 200.

The receiving portion 481 is fixed to the lower flange 123 of the module 400a and the lower side of the other module 400a.

The fence 483 has a shape extending upward from the outer end of the receiving portion 481. The fence 483 is formed by a module which is different from the outer end portion of the receiving portion 481 and the center of the side member 490 of the module 400a, Is fixedly installed in the vicinity of the center of the side member (490) of the side member (400a).

The fence 483 is spaced apart from the outer circumferential surface of the steel tower 120.

The fence 483 is provided to prevent a person from falling in order to maintain the generator G installed in the nacelle 200.

Hereinafter, a process of assembling and installing the module 400a on the tower 100 will be described.

First, the two first beams 410 are inserted into the two first assembly parts 122 closest to the right and left through the respective first insertion parts 419, and fixedly installed.

A part of the upper surface of the first lower beam 413 is in contact with the upper part 1221 of the first assembly part 122, The first ribs 417 closest to the tower 100 are brought into contact with the front portion 1223 of the first assembly portion 122 to face each other.

The first and second fastening holes 1223a and 1223a formed in the front part 1223 of the first assembly part 122 and the first and second fastening holes 1223a and 122b formed in the first rib 417, (417a) communicate with each other on the left and right sides.

The front part 1223 of the first assembly part 122 and the first ribs 417 facing the front part 1223 of the first assembly part 122 are connected to each other through the left and right third fastening holes 1223a and the right and left eighth fastening holes 417a, So that the first beam 410 is fixed to the two first assemblies 122 which are closest to the right and left sides.

Next, the two second beams 420 are inserted through the respective second insertion portions 429 so as to be positioned directly below the two first beams 410 installed, and the two second assemblies 124 ) And fixedly installed.

A part of the upper surface of the second lower beam 423 is in contact with the upper part 1241 of the second assembly part 124 and the lower part of the second upper part beam 422 is in contact with the upper part 1241 of the second assembly part 124, And the second rib 427 closest to the tower 100 is in contact with the front portion 1243 of the second assembly portion 124 to face each other.

The left and right tenth fastening holes 1243a formed in the front part 1243 of the second assembly part 124 and the second ten fastening holes 1243b formed in the second rib 427 closest to the tower 100, (427a) communicate with each other on the left and right sides.

The front portion 1243 of the second assembly portion 124 and the second ribs 427 facing the front portion 1243 of the second assembly portion 124 are connected to each other through the left and right sixth fastening holes 1243a and the left and right tenth fastening holes 427a, And the second beam 420 is fixed to the two adjacent second assemblies 124 on the right and left sides.

Next, the first plate 440 is fixed to the upper part of the first flange 121 between the two first assemblies 122 and the upper part of the two first beams 410 installed first.

The first plate 440 covers the upper right portion of the first upper beam 411 of the left first beam 410 and the upper left portion of the upper surface of the first upper beam 411 of the right first beam 410, And is disposed so as to cover the upper portion of the first flange 121 between the first assembling portions 122.

The first plate 440 is partially fastened with the bolts B inserted through the first upper beam 411 and the upper portion 1221 of the first assembly portion 122.

A plurality of seventh fastening holes 411a formed in one row on the right side of the left first upper beam 411 are connected to a plurality of first fastening holes 411a formed near the left end of the first plate 440 corresponding thereto, The eleventh fastening hole 440a formed in the vicinity of the left edge of the first plate 440 adjacent to the tower is inserted into the first upper beam 440a of the first upper beam 411, The bolts B are inserted into the right side second fastening holes 1221a formed in the upper portion 1221 of the left first assembly portion 122 in addition to the seventh fastening holes 411a.

The plurality of seventh fastening holes 411a formed in one row on the left side of the right first upper beam 411 has a plurality of eleventh fastening holes 440a formed in the vicinity of the right end of the corresponding first plate 440, The eleventh fastening hole 440a formed in the vicinity of the right edge of the first plate 440 adjacent to the tower is connected to the seventh fastening hole 440a of the first upper beam 411, The bolt B is inserted into the left second fastening hole 1221a formed in the upper portion 1221 of the right first assembly portion 122 in addition to the hole 411a.

The three first fastening holes 121a formed in the first flange 121 between the two first assembling portions 122 are connected to the eleventh fastening holes 121 formed in the vicinity of the tower side end of the corresponding first plate 440 440a and the bolts B are inserted and fastened.

The first plate 440 is fixed to the upper portion of the first beam 410 and the first flange 121 between the two first assemblies 122 as described above.

Next, the second plate 450 is fixed to the upper portion of the first two installed beams 220 and the second flange 123 between the two second assemblies 124.

The second plate 450 covers the upper right side portion of the second upper beam 421 of the left second beam 420 and covers the upper left side portion of the second upper beam 421 of the right second beam 420, And is disposed so as to cover the upper portion of the second flange 123 between the second assembling portions 124.

The second plate 450 is partially inserted into the second upper beam 421 and the upper portion 1241 of the second assembly portion 124 by inserting the bolts B. [

A plurality of ninth fastening holes 421a formed in one row on the right side of the left second upper beam 421 are connected to a plurality of twelfth fastening holes 421a formed near the left end of the corresponding second plate 450, The second fastening hole 450a formed in the vicinity of the left edge of the second plate 450 adjacent to the tower is connected to the second upper beam 421 The bolt B is inserted into the fifth fastening hole 421a and communicated with the right fifth fastening hole 1241a formed in the upper portion 1241 of the left second assembly portion 124,

The plurality of ninth fastening holes 421a formed in one row on the left side of the right second upper beam 421 are formed by a plurality of twelfth fastening holes 450a formed near the right end of the corresponding second plate 450, The twelfth fastening hole 450a formed in the vicinity of the right edge of the second plate 450 adjacent to the tower is connected to the ninth fastening part 450a of the second upper beam 421, The bolt B is inserted into the left fifth coupling hole 1241a formed in the upper portion 1241 of the right second assembly portion 124 in addition to the hole 421a.

The three fourth fastening holes 123a formed in the second flange 123 between the two second assembling portions 124 are connected to the twelfth fastening holes 123 formed in the vicinity of the tower side end of the corresponding second plate 450 And the bolts B are inserted and fastened.

The second plate 450 is fixedly mounted on the upper portion of the two second beams 420 and the second flange 123 between the two second assemblies 124, as described above.

Next, one third beam 430 is fixedly installed between the left first beam 410 and the left second beam 420, and between the right first beam 410 and the right second beam 420, And a third plate 460 is fixedly installed between the two third beams 430. The third beam 430 is fixed to the third plate 430,

The upper flange 431 of the left third beam 430 is bolted or welded to the lower surface of the front end of the left first lower beam 413 and the lower flange 433 of the left third beam 430 is fixed 2 plate 450 while being bolted or welded to the top surface of the front side end of the left second upper beam 421 while being accommodated in the incision at the front left corner of the plate 450.

The upper flange 431 of the right third beam 430 is bolted or welded to the lower surface of the front end of the right first lower beam 413 and the lower flange 433 of the right third beam 430 is fixed 2 plate 450 is bolted or welded to the top surface of the front side end of the right second upper beam 421 while being accommodated in the incision at the front right corner of the second plate 450.

At this time, it is preferable that a third plate 460 is fixedly installed between the two third beams 430.

Closing and fixing the first beam 410 and the first plate 440 to the first flange 121 and the first assembly 122 substantially prevents the second beam 420 and the second plate 450 And is fastened and fixed to the second flange 123 and the second assembly 124. [

7 is a cross-sectional view showing another embodiment of Fig.

7, the first plate 440 is partly fixed to the upper and lower parts of the first upper beam 411 and the first assembly part 122 and the first lower beam 413, (B) is inserted and fastened to the nut (N).

Although not shown, the second plate 450 may be partially secured to the second upper beam 421 and the second lower beam 423 by bolts B (not shown) Can be inserted and fastened to the nut (N).

The coupling structure between the first beam 410 and the first plate 440 and between the first flange 121 and the first assembly part 122 is the same as that of the first embodiment, Note that the coupling relationship between the second beam 420 and the second plate 450, the second flange 123, and the second assembly 124 is substantially the same.

The second fastening holes 1221a formed in the respective first assembly portions 122 are formed to penetrate from the upper portion 1221 of the first assembly portion 122 to the lower portion 1225 of the first assembly portion 122, The fifth fastening holes 1241a formed in the respective second assembling portions 124 are formed to penetrate from the upper portion 1241 of the second assembling portion 124 to the lower portion of the second assembling portion 124 And two third fastening holes 413a spaced apart from each other are formed near the end of the first lower beam 413 on the side of the tower 100. In the vicinity of the end of the second lower beam 423 near the tower 100, Two spaced apart fourteenth fastening holes (not shown) are formed.

Two seventh fastening holes 411a are arranged so as to communicate with the upper ends of the two closest second fastening holes 1221a and two thirteenth fastening holes 413a are disposed at the lower ends of the two adjacent fastening holes 1221a Two ninth fastening holes 421a are arranged so as to communicate with the upper ends of the two closest adjacent fastening holes 1241a, and two fourteenth fastening holes (not shown) 5 fastening hole 1241a.

The eleventh fastening hole 440a formed in the vicinity of the left edge of the first plate 440 closest to the tower 100 in one module is connected to the tower 100 side right end seventh fastening hole 440a of the first upper beam 411 Side first fastening hole 1221a formed in the left first assembling portion 122 and the first right fastening hole 413a on the side of the tower 100 side of the first lower beam 413, The bolts B are inserted from the upper side to the lower side through the respective fastening holes and the bolts B are projected to the lower side of the first lower beam 413 and fastened to the nuts N. [

An eleventh fastening hole 440a formed in the vicinity of the right edge of the first plate 440 closest to the tower 100 in one module is formed at the left end of the seventh fastening hole 440a of the first upper beam 411, The left second fastening hole 1221a formed in the hole 411a and the first right assembling portion 122 and the left thirteenth fastening hole 413a of the end portion of the first lower beam 413 on the tower 100 side, The bolts B are inserted through the respective fastening holes which are communicated with each other and the bolts B are projected to the lower side of the first lower beam 413 and fastened to the nuts N. [

The twelfth fastening hole 450a formed in the vicinity of the left edge of the second plate 450 closest to the tower 100 in one module is connected to the tower 100 side end right ninth fastening hole 450a of the second upper beam 421 (Not shown) of the right side fifth fastening holes 1241a and the second lower beam 423 formed on the left second assembling portion 124 and on the tower 100 side end right side fourteenth fastening hole And the bolts B are projected to the lower side of the second lower beam 423 and are fastened to the nuts N through the respective fastening holes.

The twelfth fastening hole 450a formed in the vicinity of the right edge of the second plate 450 closest to the tower 100 in one module is connected to the tower 100 side of the second upper beam 421, (Not shown) on the left side of the tower 100 side end portion of the left fifth fastening hole 1241a and the second lower beam 423 formed in the hole 421a and the right second assembly portion 124 And the bolts B are projected to the lower side of the second lower beam 423 and are fastened to the nuts N through the fastening holes communicated with each other.

The washer is inserted between the head of the bolt (B) and the object to be fastened and between the nut (N) and the fastening object when the bolt (B) and the nut (N) are fastened.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. can do.

100: Tower 110: Concrete Tower
111: concrete foundation 120: steel tower
121: first flange 121a: first fastening hole
122: first assembly part 1221: upper part of the first assembly part
1221a: second fastening hole 1223: front part of the first assembly part
1223a: Third fastening hole 1225: Lower part of the first assembly part
123: second flange 123a: fourth fastener
124: second assembly part 1241: upper part of the second assembly part
1241a: Fifth fastening hole 1243: Front part of the second assembly part
1243a: sixth fastening hole 200: nacelle
210: opening part 300: blade
400: observatory 400a: module
401: accommodation space 410: first beam
411: first upper beam 411a: seventh fastening hole
413: first lower beam 413a: thirteenth fastening hole
415: first central beam 417: first rib
417a: eighth fastening hole 419: first insertion portion
420: second beam 421: second upper beam
421a: Ninth fastening hole 423: Second lower beam
425: second central beam 427: second rib
427a: the eleventh fastening hole 429: the second insertion portion
430: third beam 431: upper flange
433: Lower flange 440: First plate
440a: eleventh fastening hole 450: second plate
450a: a twelfth fastening hole 460: a third plate
470: Maintenance space 480: Balcony
481: Support portion 483: Fence
490: side member B: bolt
C: Crane D: Door
G: Generator N: Nut

Claims (5)

delete delete delete A tower vertically installed and at least partially formed of steel;
A nacelle positioned above the tower;
A blade rotatably connected to one side of the nacelle;
And an observatory installed on the steel-formed portion of the tower, including a plurality of modules,
A space penetrating vertically between any two of the plurality of modules is formed in a shape in which a part of the observation deck is cut away,
Wherein a first flange having a plurality of first assembling parts and a second flange having a plurality of second assembling parts are vertically spaced apart from each other on an outer circumferential surface of the steel-
The module comprises:
Two first beams respectively fixed to the two first assemblies closest to each other;
Two second beams respectively fixed to the two second assemblies closest to each other so as to face the two first beams;
Two third beams respectively fixed to the outer ends of the first beam and the second beam closest to each other;
A first plate fixed to the first beam and the first flange;
A second plate fixed to the second beam and the second flange;
And a third plate fixed to the two third beams,
The first beam includes a first upper beam formed to be longer in the longitudinal direction, a first lower beam formed to be longer in the longitudinal direction so as to be in parallel with the first upper beam, and a second lower beam formed between the first upper beam and the first lower beam And a plurality of first ribs formed on both sides of the first central beam,
The second beam includes a second upper beam formed to be longer in the longitudinal direction, a second lower beam formed to be longer in the longitudinal direction so as to be in parallel with the second upper beam, and a second lower beam formed between the second upper beam and the second lower beam, And a plurality of second ribs formed on both sides of the second center beam.

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