WO2015053522A1

WO2015053522A1 - Auxiliary device for offshore wind turbine installation

Info

Publication number: WO2015053522A1
Application number: PCT/KR2014/009397
Authority: WO
Inventors: 조병호
Original assignee: 이레엔지니어링 주식회사
Priority date: 2013-10-07
Filing date: 2014-10-07
Publication date: 2015-04-16

Abstract

The present invention provides an auxiliary device for offshore wind turbine installation, comprising: a block body having an installation hole; and an installation guide coupled with the block body such that a post slides and moves toward the installation hole to be inserted into the installation hole when the installation guide comes into contact with the lower part of the post.

Description

Auxiliary Equipment for Offshore Wind Power Generator Installation

The present invention relates to an auxiliary device for installing an offshore wind turbine, and more particularly, to an auxiliary device for installing an offshore wind turbine that assists in installing an offshore wind turbine, such as an offshore pile, jacket, and tripile.

In general, a wind turbine refers to a generator that generates electricity by using wind. Wind turbines may be classified into onshore wind turbines installed on the land and offshore wind turbines installed on the sea, depending on where they are installed.

Offshore wind power generators are transported to a place to be installed by ship and then construction is performed. The offshore wind turbine can be largely composed of three parts: prop, generator body and propeller. Depending on the size and loading stability of the offshore wind turbine, the parts are assembled or separated and transported to the offshore.

Foundation structures can be used to support offshore wind turbines on the sea floor. The type and construction method of the basic structure varies depending on the installation location and power generation capacity of the offshore wind turbine. For example, the basic structure of the offshore wind power generator may be a monopile, a jacket, a tripile, a tripot, or the like.

The shore and the foundation of the above-mentioned offshore wind turbine is provided with a flange each formed with a plurality of flange holes for mutual coupling.

On the other hand, in order to install the offshore wind turbine on the foundation, first anchor the work ship on the sea to be close to the foundation. Subsequently, the pillars are lifted by a crane, a lift, etc., and the flanges of the pillars and the flanges of the foundation structure are closely contacted with each other, and then the bolts are fastened to the flange holes.

Therefore, the installation of the offshore wind turbine on the foundation structure requires the flanges of the strut and the foundation to be aligned and then the flange holes coincide with each other.

However, when working with the work line, if it is difficult to calculate the gap between the basic structure and the support, and it is difficult to move the support to be in line with the basic structure by crane, lift, etc. Moving the wire precisely or working with a crane requires cumbersome work that requires precise adjustment for a long time.

In addition, even if the strut and the base structure is located in a straight line, in order to match the flange hole with each other, the strut should be rotated and stopped at a fixed position. This work also involves very fine and hassle.

As such, the lifting of the offshore wind turbine, which is heavy, by a crane, a lift, etc., is precisely located on the foundation structure so that the flanges coincide with each other.

It is an object of the present invention to provide an auxiliary apparatus for installing an offshore wind turbine, which allows the offshore wind turbine to be installed precisely and quickly on the offshore pile, jacket, and tripile without moving the work line.

The present invention is a block body in which the installation hole is formed; And an installation guide coupled to the block body so that the support moves and slides toward the installation hole when contacted with the lower portion of the support, and is inserted into the installation hole.

The block body may be movably mounted to the side portion of the work vessel for installing the offshore wind turbine.

The installation guide is a support block coupled to the block body; And coupled to the upper portion of the support block may include a guide block in contact with the support.

The guide block may have a shape surrounding the installation hole, and may have a convex shape downward from the outer periphery of the installation hole.

The support block may be made of a metal material having a large rigidity, and the guide block may be made of a resin material having a strong elasticity.

At least one position adjusting ram may be mounted in an outer region of the installation hole to adjust the position of the post inserted into the installation hole.

The positioning ram may include a plurality of cylinders configured to be movable up and down in the vertical direction from the block body.

The plurality of cylinders may be disposed outside the installation hole to be spaced apart from each other by a predetermined interval.

The position adjusting ram may further include a ram rotating unit for rotating the installation hole as a central axis.

The ram rotating unit includes a ram mounting plate that is mounted so that the plurality of cylinders can be raised and lowered; A rotary gear tooth coupled to the ram mounting plate; And a motor that rotates the rotary gear to rotate the ram mounting plate about the installation hole.

The ram mounting plate and the support block are integrally coupled, and when the ram mounting plate rotates, the support block may be rotatable with respect to the block body.

The support block may further include a rotation guide unit installed on the support block and the block body to rotate with respect to the block body.

The rotation guide unit is coupled to the block body with the installation hole as a central axis; And a roller coupled to the support block to move along the rail.

A support ring may be coupled to the lower region of the support, and a support cap may be coupled to the support ring to be in contact with the position adjustment ram.

The positioning ram is raised before being coupled with the support cap, and after being in contact with the support cap can be lowered and coupled to the base structure while falling.

After the position adjustment ram is in contact with the support cap, the ram rotation part may move the position adjustment ram so that the position of the flange hole formed in the flange of the support and the flange hole of the basic structure is superimposed.

According to the auxiliary apparatus for installing an offshore wind turbine according to an embodiment of the present invention, the offshore wind turbine can be accurately and quickly installed in an offshore pile, a jacket, a tripile, etc. without moving a crane or a work line.

1 is a plan view showing a schematic configuration of an auxiliary device for installing an offshore wind turbine according to an embodiment of the present invention.

2 is a side cross-sectional view of FIG. 1.

3 is a view showing the structure of an offshore wind power generator.

4 is a view showing a state in which the support is installed on the foundation using the offshore wind turbine installation auxiliary device of the present embodiment.

5 is a view showing a state in which the auxiliary apparatus for installing an offshore wind turbine of the present embodiment is installed on a work line.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a plan view showing a schematic configuration of an auxiliary device for installing an offshore wind turbine according to an embodiment of the present invention, Figure 2 is a side cross-sectional view of Figure 1, Figure 3 is a view showing the structure of the offshore wind turbine, 4 is a view showing a state in which the support is installed on the foundation using the offshore wind turbine installation auxiliary device of the present embodiment.

As shown in Figures 1 to 4, the auxiliary apparatus for installing the offshore wind power generator 10 (hereinafter, auxiliary device) of the present embodiment comprises a block main body 20 and the installation guide 30.

The block body 20 forms the main body of the auxiliary device 10, the installation hole 11 is formed inside. The installation hole 11 is formed to penetrate perpendicularly to the center portion of the block body 20.

The post 111 of the offshore wind power generator 110 is inserted into the installation hole 11. The installation hole 11 is manufactured to have a diameter somewhat larger than the diameter of the flange 111a of the support 111 so that the flange 111a of the support 111 can pass therethrough.

The block body 20 is installed on a work line in which the offshore wind turbine installation work is performed so that the installation hole 11 is located directly above the basic structure 130 such as the jacket shown in FIG. 4. Therefore, when the support 11 is inserted into the installation hole 11, the flange 111a of the support 11 naturally passes through the installation hole 11 and is seated on the upper surface of the flange 131 of the foundation structure 130. 11) can be quickly and easily performed to combine the foundation structure 130.

The block body 20 may have a variety of shapes, such as rectangular, circular, oval. For example, as shown, the block body 20 may have a rectangular shape.

When the work of coupling the strut 111 of the offshore wind turbine 110 to the foundation structure 130 is completed, the installation hole 11 is opened to separate the block body 20 from the strut 111. To this end, the block body 20 may be composed of a plurality of individual blocks that are combined / separated from each other. For example, the block body 20 may be composed of first to fourth

individual blocks

21, 22, 23, and 24.

The first to fourth

individual blocks

21, 22, 23, and 24 may be separated in various forms to open the installation holes 11. For example, as shown in FIG. 1, the first and second

individual blocks

21 and 22 and the third and fourth

individual blocks

23 and 24 positioned on the left and right sides are slid and moved in a direction away from each other. 11) can be opened.

In addition, the first and third

individual blocks

21 and 23 or the second and fourth

individual blocks

23 and 24 are rotated about the

rotation shafts

21a, 22a, 23a, and 24a provided at the edges, respectively, so that the installation hole 11 is formed. You can also open it. Of course, the first to fourth

individual blocks

21, 22, 23, and 24 may be separated to open the installation holes 11 in a manner different from that described above.

Installation guide 30 is coupled to the block body 20 serves to guide the shore 111 of the offshore wind turbine 110 to the installation hole (11). In detail, the installation guide 30 contacts the support 111 inserted into the installation hole 11 so that the support 111 can move to the installation hole 11 as if the support 111 slides.

As shown in FIG. 2, the installation guide 30 may include a support block 31 and a guide block 35.

The support block 31 may be coupled to an upper portion of the block body 20 in a form surrounding the installation hole 11. The support block 31 serves to support the load of the support 111 in contact with the guide block 35.

The guide block 35 is coupled to the upper portion of the support block 31 and serves to guide the support 111 to the installation hole 11 in contact with the support 111. To this end, the inclined surface 35a inclined inward is formed on the upper surface of the guide block 35. Therefore, even though the support 111 is not correctly lowered to the installation hole 11 by the crane, the support 111 is accurately inserted into the installation hole 11 while sliding along the inclined surface 35a of the guide block 35.

The guide block 35 is a shape surrounding the installation hole 11, the cross section may be manufactured in a convex downward shape. For example, the guide block 35 may be manufactured in a cone, funnel shape.

Here, the above-described support block 31 may be made of a metal material having a large rigidity, and the guide block 35 may be made of a resin material having a high elasticity to prevent breakage due to contact with the support 111.

The above-described support block 31 and the guide block 35 may be composed of a plurality of individual blocks that are combined / separated from each other so as to open the installation hole 11 like the block body 20 described above.

In the auxiliary device 10 according to the present embodiment including the block body 20 and the installation guide 30, the support 111 lifted by a crane, a lift, or the like passes through the installation hole 11 to form the foundation structure ( By being placed on the upper surface of 130, the work to couple the strut 111 to the base structure 130 can be made quickly and simply.

On the other hand, the auxiliary device 10 of the present invention may be configured to further include a position adjustment ram 40, the ram rotation part 50, the rotation guide part 60.

Positioning ram 40 is installed in the outer region of the installation hole 11 serves to adjust the position of the strut 111 is inserted into the installation hole (11).

The position adjustment ram 40 may be installed so that a plurality of spaced apart. For example, as shown in FIG. 1, four position adjusting rams 40 may be installed at a predetermined interval outside the installation hole 11.

In addition, the position adjustment ram 40 is installed on the block body 20 to be movable in the vertical direction. For this purpose, the positioning ram 40 may include a separate driving device such as a cylinder (not shown).

Positioning ram 40, as shown in Figure 4, when the support 111 is lowered along the installation hole 11 is raised to support the lower surface of the support cap 70 mounted on the support 111. Therefore, the flange 111a of the support 111 stops descending from the upper side of the flange 131 of the foundation structure 130.

In more detail, as shown in FIG. 3, the offshore wind power generator 110 may include a strut 111, a generator body 112, and a propeller 113. Here, the support ring 111b is coupled to the lower region of the support 111, and the support cap 70 contacting the position adjusting ram 40 may be coupled to the support ring 111b.

As shown in Figure 4, the position adjustment ram 40 supports the lower surface of the support cap 70 descending along the installation hole 11 to stop the strut 111 in the corresponding position. In addition, the position adjustment ram 40 is lowered again by a cylinder or the like so that the flange 111a of the support 111 is seated on the flange 131 of the foundation structure 130. At this time, by adjusting the descending speed of the position adjustment ram 40, the flange 111a of the support 111 can be accurately seated on the flange 131 of the foundation structure 130, and the support 11 is also the foundation structure A strong collision with the 130 can be prevented from being damaged.

Ram rotation unit 50 rotates the above-described position adjustment ram 40 around the installation hole 11 to rotate the support (11) inserted into the installation hole (11). Even if the support 111 and the foundation 130 are located in a straight line, the support 111 must be rotated to match the flange holes formed in the support 111 and the

flanges

111a and 131 of the foundation. Even when adjusting the installation angle of the generator is required to rotate the support 111.

As shown in FIG. 2 and FIG. 4, the ram rotation unit 50 may include a ram mounting plate 51, a rotary gear 52, and a motor 53.

The ram mounting plate 51 is provided with a position adjustment ram 40 including a plurality of cylinders so as to be movable vertically. Ram mounting plate 51 may be formed in a ring (ring) surrounding the installation hole (11). A tooth may be formed on the outer circumferential surface of the ram mounting plate 51 so as to be tooth-connected with the rotary gear 52.

The rotary gear 52 is toothed to the outer circumferential surface of the ram mounting plate 51 and is connected to the shaft of the motor 53. The motor 53 rotates the rotary gear 52 to rotate the ram mounting plate 51 toothed to the rotary gear 52 about the installation hole 11. The motor 53 may be installed in the internal space of the block body 20.

Here, the ram mounting plate 51 and the support block 31 of the above-described installation guide 30 may be combined or integrally formed, in this case, the support block 31 when the ram mounting plate 51 is rotated Also rotates on the block body 20 upper surface around the installation hole (11).

The rotation guide part 60 is installed on the support block 31 and the block body 20 so that the support block 31 can rotate on the upper surface of the block body 20.

The rotation guide part 60 is provided with a rail 61 which is circularly installed on the upper surface of the block body 20, and a roller 63 which is installed on the lower surface of the support block 20 and moves along the rail 61. It may be configured to include.

Therefore, as described above, the position adjustment ram 40 supports the lower surface of the support cap 70 and stops the lowering of the support 111. Then, when the ram rotation part 50 rotates the position adjustment ram 40, the support 111 is formed. Is rotated together with the position adjustment ram 40, it is possible to align the position of the flange hole formed in the flange 131 of the flange structure formed on the flange 111a of the support (111). Of course, since the position adjustment ram 40 as described above gradually descends so that the flange 111a of the support is seated on the flange 131 of the foundation structure.

Therefore, the present invention can be installed accurately and quickly in the offshore pile, jacket, tripile, etc. without having to move the work line.

As shown in FIG. 5, the auxiliary device 10 of the present embodiment may be mounted on a work vessel for installing an offshore wind turbine.

The illustrated offshore wind turbine installation working ship may be used in addition to the technique of patent application No. 10-2013-0062938 which is a technique proposed by the applicant. The applied technology is characterized by being able to assemble and mount an offshore wind power generator in a state in which the prop is erected in the vertical direction, and to carry it to the installation place for construction.

That is, the auxiliary device 10 may be installed between the first block 310 and the second block 320 or may be installed to be positioned above the second block 320. For example, the block body 20 of the auxiliary device 10 may be movably mounted to the side portion 300 of the work vessel for installing the offshore wind turbine. Of course, the auxiliary device 10 may be configured separately from the offshore wind turbine installation work line, that is, in an independent form.

According to the auxiliary apparatus for installing an offshore wind turbine according to an embodiment of the present invention, the offshore wind turbine can be accurately and quickly installed in an offshore pile, jacket, tripile, etc. without moving the work line precisely.

In addition, since it is possible to implement a variety of equipment in a single offshore wind turbine installation device can increase the work efficiency and significantly reduce the construction cost.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims

A block body in which an installation hole into which a shore of the offshore wind turbine is inserted is formed; And

A support block coupled to the block body;

A guide block coupled to an upper portion of the support block to guide the support to the installation hole while contacting the support; And

The offshore wind turbine installation auxiliary device is installed in the outer region of the installation hole including at least one position adjustment ram for adjusting the position of the post inserted into the installation hole.
The method of claim 1,

An auxiliary device for installing an offshore wind power generator is formed on the top surface of the guide block inclined toward the inside.
The method of claim 1,

The support block is made of a metal material having a large rigidity, the guide block is an auxiliary device for installing an offshore wind turbine made of a resin material having a strong elasticity.
The method of claim 1,

The position adjusting ram is an auxiliary device for installing an offshore wind power generator is installed to be movable in the vertical direction to the block body.
The method of claim 1,

The offshore wind turbine installation auxiliary device further comprises a ram rotating unit for rotating the position adjustment ram about the installation hole.
The method of claim 5,

The ram rotation unit,

Ram mounting plate is installed so that the position adjustment ram vertically movable;

A rotary gear tooth-coupled to an outer circumferential surface of the ram mounting plate; And

An auxiliary device for installing an offshore wind turbine comprising a motor for rotating the rotary gear to rotate the ram mounting plate about the installation hole.
The method of claim 6,

And the ram mounting plate and the support block are integrally formed or mutually coupled so that the support block rotates around the installation hole on the block body when the ram mounting plate rotates.
The method of claim 7, wherein

An auxiliary device for installing an offshore wind turbine further comprises a rotation guide part installed on the support block and the block body so that the support block rotates on the block body.
The method of claim 8,

The rotation guide unit,

A rail formed in a circular shape on an upper surface of the block body around the installation hole; And

An auxiliary device for installing an offshore wind turbine comprising a roller installed on a lower surface of the support block and moving along the rail.
The method of claim 4, wherein

A support ring is coupled to the lower portion of the support, and the support ring for the offshore wind power generator installation is coupled to the support ring for supporting the lower surface to raise the position adjustment ram.