[go: up one dir, main page]

WO2014122767A1 - Tour pour dispositif de génération d'énergie éolienne - Google Patents

Tour pour dispositif de génération d'énergie éolienne Download PDF

Info

Publication number
WO2014122767A1
WO2014122767A1 PCT/JP2013/053007 JP2013053007W WO2014122767A1 WO 2014122767 A1 WO2014122767 A1 WO 2014122767A1 JP 2013053007 W JP2013053007 W JP 2013053007W WO 2014122767 A1 WO2014122767 A1 WO 2014122767A1
Authority
WO
WIPO (PCT)
Prior art keywords
tower
steel pipe
connecting member
interior
generator according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2013/053007
Other languages
English (en)
Japanese (ja)
Inventor
一 村田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to PCT/JP2013/053007 priority Critical patent/WO2014122767A1/fr
Publication of WO2014122767A1 publication Critical patent/WO2014122767A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/08—Structures made of specified materials of metal
    • E04H12/085—Details of flanges for tubular masts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/50—Building or constructing in particular ways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/301—Retaining bolts or nuts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • This disclosure relates to a tower of a wind power generator in which interior parts such as floor boards and ladders are arranged in the interior space of the tower.
  • a monopole tower that supports a rotor and a nacelle with a cylindrical support structure is often used.
  • the height of the tower may range from several tens of meters to over 100 m. Therefore, from the viewpoint of manufacturing and transportation, the tower is usually divided into a plurality of cylindrical sections.
  • the interior of the tower is usually equipped with interior items such as a floor for work and electrical equipment installation, a ladder for raising and lowering, and a support for fixing cables.
  • interior items such as a floor for work and electrical equipment installation, a ladder for raising and lowering, and a support for fixing cables.
  • these interior parts are fixed to the tower side by directly welding the member or support to the tower shell or by fastening the member or support to the bracket welded to the tower shell with a bolt.
  • stress concentration occurs around the welded part of the tower shell (for example, the weld toe), and the fatigue strength category of the tower decreases, and the thickness of the tower shell to secure the required fatigue strength is reduced. Since it increases and the weight of the tower increases, it is not desirable to weld members such as brackets and interior parts directly to the tower shell.
  • Patent Document 1 discloses a configuration in which a beam is bridged between flanges provided at the upper and lower ends of each section of a tower and an interior part is attached to the beam.
  • Patent Documents 2 to 4 disclose a configuration in which an interior part is attached to a wire (or chain) stretched between flanges of each section of the tower. In this configuration, in order to support the interior product in the middle of the wire, a lock member that fixes the interior product to the wire by friction with the wire is provided.
  • Patent Documents 5 and 6 disclose a configuration in which an interior product is attached to the tower shell by an attachment jig using magnetic force.
  • the mounting mechanism of the interior parts to the tower should be able to freely select the mounting position of the interior parts so that the interior parts can be installed in an appropriate space position in the tower and the layout can be changed. Is desirable. Furthermore, since the interior goods include heavy objects such as floor boards and transformers, an attachment mechanism that can stably support even heavy interior goods is required.
  • An object of at least one embodiment of the present invention is to allow interior products to be mounted in the tower without welding interior products, brackets, etc. to the tower shell, and to be able to freely select the mounting position of the interior products, in addition to weight.
  • An object of the present invention is to provide a tower of a wind power generator that can stably support interior parts even on a thing on the tower side.
  • a tower of a wind turbine generator is a tower of a monopole type wind turbine generator, and includes at least one tower shell having a cylindrical shape and a supporting load of interior components of the tower.
  • a load transmission structure for transmitting to the shell wherein the load transmission structure includes a steel pipe group composed of a plurality of steel pipes arranged continuously along a vertical direction, a guide wire inserted through the plurality of steel pipes, A support portion provided at an end of the steel pipe group for supporting the steel pipe group to the tower shell, wherein at least one interior part of the tower is directly or indirectly attached to the steel pipe. It is characterized by that.
  • “along the vertical direction” does not mean that it is completely parallel to the vertical direction.
  • the interior product since the interior product is attached to the steel pipe provided in the space in the tower, the interior product can be supported on the tower side without directly welding the interior product to the tower shell. . Thereby, the fall of the fatigue strength category of the tower by attachment of interior goods can be prevented, and the weight of the tower can also be reduced.
  • the steel pipe group is arrange
  • an interior goods can be attached to the steel pipe group connected along the perpendicular direction, even if it is a heavy interior goods, it can support stably.
  • each steel pipe is a sufficiently short member, it can have a structure in which a bending moment due to the attachment of an interior product is difficult to act, and the load transmission structure can be reduced in weight.
  • the steel pipe group in which each guide wire is inserted is configured to transmit a gravity load by the at least one interior product to the support portion.
  • the interior product is supported by the support portion mainly through the steel pipe group, it is possible to stably support a heavier interior product than the case where the interior product is supported by the guide wire.
  • the guide wire in this embodiment is mainly used for the purpose of maintaining a substantially vertical arrangement of the steel pipe group, a large load is hardly applied to the guide wire, and therefore an inexpensive wire that is not so strong is used. It can also be adopted.
  • the at least one tower shell includes a plurality of tower shells that are connected to each other to form the tower, and each of the tower shells has an upper end portion and a lower end portion respectively adjacent to the adjacent tower shells.
  • An upper flange and a lower flange are provided for connection, and each guide wire is stretched between the upper flange and the lower flange of each tower shell, and both ends of each guide wire are connected to each tower shell.
  • the flanges for connecting the tower shells forming the tower are often made with a higher strength using a member thicker than the other parts.
  • the guide wire mounting portion on the tower side can have a structure that can sufficiently withstand the tension of the guide wire. it can.
  • the support portion may be a first bracket provided on the lower flange.
  • the support portion since the lower flange of the tower shell is made of high strength, by providing a support portion on the lower flange, the load of the steel pipe group and the interior parts supported by the steel pipe can be reliably ensured by the support portion. Can receive.
  • the steel pipe includes a tube portion and flange portions provided on both ends of the tube portion, and the ribs of adjacent steel tubes among the steel tube group through which each guide wire is inserted.
  • the battery pack further includes a second bracket for supporting the at least one interior product on at least one of the steel pipe groups, and the second bracket is provided at the lower end of at least one of the steel pipe groups.
  • You may comprise so that it may be supported from below by a collar.
  • the second bracket to which the interior product is attached is supported from below by the collar of the steel pipe, so that the second bracket does not slide down below the collar, so if the steel pipe to which the interior product is attached is appropriately selected, the interior product Can be securely fixed at a desired position. Further, the load of the interior product can be smoothly transmitted downward in the vertical direction via the collar.
  • the steel pipe may further include a displacement prevention unit that prevents displacement of the steel pipe in a horizontal plane.
  • a displacement prevention unit that prevents displacement of the steel pipe in a horizontal plane.
  • the displacement preventing portion may be configured to stretch the steel pipe directly or indirectly inward in the radial direction of the cylindrical member. Thereby, it is possible to prevent the interior product from being displaced relative to the cylindrical member in the horizontal direction.
  • the displacement prevention part is provided between the steel pipe group and the assembly of the connecting members in the same horizontal plane and the inner peripheral surface of the tower shell, and stretches the assembly inward in the radial direction of the tower shell. It may be configured as follows. In this way, by providing a connecting member that connects the steel pipe groups in the same horizontal plane, the steel pipe group and the assembly of the connecting members are configured to be stretched inward in the radial direction of the tower shell by the displacement preventing portion. The number of blocking units can be reduced.
  • the at least one guide wire is located at a vertex that is shared by two equilateral sides of a substantially isosceles triangle in the horizontal plane, and at each of the other two vertices.
  • Including a second wire and a third wire, and the connecting member extends in a horizontal direction between a first steel pipe through which the first wire is inserted and a second steel pipe through which the second wire is inserted, and A first connecting member to which the first steel pipe and the second steel pipe are attached at both ends, and a pair of slits provided in the first connecting member along the extending direction of the first connecting member, each one end being engaged.
  • each of the steel pipes is formed by the displacement prevention part. It may be configured to be supported by the inner peripheral surface of serial tower shell.
  • the displacement prevention portion stretches the first to third steel pipes radially inward against such a pressing force directed outward in the radial direction, so that the displacement of the first to third steel pipes in the horizontal plane is effective. Can be blocked.
  • the second connecting member is attached to the second connecting member, and the turning force for rotating the second connecting member about the third steel pipe as a rotating shaft is applied to the second connecting member.
  • it may further include a rotating power application unit.
  • the connecting member includes a vertical plate portion arranged along a vertical plane and connected at both ends to the steel pipe, and a horizontal plate portion protruding in a horizontal direction from the vertical plate portion,
  • the at least one interior product may be supported by the horizontal plate portion.
  • the at least one interior article may include a floor plate that is supported by the horizontal plate portion and forms a floor of the tower.
  • the floor board which comprises a floor can be stably supported on the tower side.
  • the load transmission structure further includes a tension pipe interposed between the steel pipe located at the uppermost stage of the steel pipe group and the first bracket provided on the upper flange. Have. In this way, the function of the guide wire is impaired by interposing a stretch pipe between the first bracket provided on the upper flange and the steel pipe located at the uppermost stage.
  • the substantially vertical arrangement of the steel pipe group can be maintained by the strut pipe.
  • the interior product since the interior product is attached to the steel pipe provided in the tower interior space, the interior product can be supported on the tower side without directly welding the interior product to the tower shell. it can. Thereby, the fall of the fatigue strength category of the tower by attachment of interior goods can be prevented, and the weight of the tower can also be reduced.
  • the steel pipe group continuously arranged along the vertical direction is arranged in the space in the tower, the interior product can be fixed at a desired position in the space in the tower by appropriately selecting a steel pipe to which the interior product is attached. .
  • an interior goods are attached to the steel pipe group provided along the perpendicular direction, even if it is a heavy interior goods, it can support stably.
  • each steel pipe is made a sufficiently short member, it can be made into the structure where a bending load cannot act easily and it cannot be easily deformed by a compressive load.
  • FIG. 1 shows the outline of the whole structure of a wind power generator. It is a longitudinal cross-sectional view which shows one section of the tower in one Embodiment.
  • (A) is a plan view showing an example of the configuration of the upper flange in the view taken along the line EE in FIG. 2, and
  • (B) is a plan view showing an example of the configuration of the lower flange in the view taken along the line FF in FIG.
  • FIG. (A) is an AA arrow view of FIG. 2
  • (B) is a BB arrow view of FIG.
  • (A) is a sectional side view showing a mounting state of the second bracket to the short pipe
  • (B) is a sectional view taken along the line CC of (A).
  • (A) is a top view which shows a connection member and its peripheral structure
  • (B) is the DD arrow line view of (A).
  • (A) is a side view which shows the attachment state of a tension pipe
  • (B) is a front view which shows the attachment state of another tension pipe. It is a front view which shows the attachment state of another tension pipe.
  • FIG. 1 is a diagram showing an outline of the overall configuration of a wind turbine generator.
  • FIG. 2 is a longitudinal sectional view showing one section of the tower in one embodiment.
  • 3A is a plan view showing an example of the configuration of the upper flange as viewed from the direction of arrows EE in FIG. 2
  • FIG. 3B is a diagram of the example of the configuration of the lower flange as seen from the direction of arrows FF in FIG.
  • FIG. 4A is a view taken along the line AA in FIG. 2
  • FIG. 4B is a view taken along the line BB in FIG.
  • the wind turbine generator 1 includes a rotor 4 composed of blades 2 and a hub 3, a nacelle 5 that rotatably supports the rotor 4, and a tower 10 that supports the nacelle 5.
  • the tower 10 is provided on a foundation 8 provided on the ocean or on the ground.
  • rotation of the rotor 4 is input into a generator from a main shaft (via a drive train as needed).
  • the tower 10 includes at least one cylindrical tower shell, but a plurality of tower shells may be connected in the vertical direction.
  • a steel monopole tower 10 is divided into a plurality of sections.
  • Each section (cylindrical member 11) may be configured by connecting a plurality of tower shells in the vertical direction.
  • “cylinder” includes “hollow truncated cone” having different diameters at both ends. That is, the tower 10 may have a hollow truncated cone shape in which the diameter of the upper end portion is different from the diameter of the lower end portion.
  • a plurality of tower shells may be connected by welding or the like to constitute a tower section (cylindrical member 11) composed of the tower shells.
  • FIG. 2 a cylindrical member (section) 11 formed of a cylindrical tower shell is provided at a cylindrical portion 12, an upper flange 13 provided at the upper end of the cylindrical portion 12, and a lower end. And a lower flange 14.
  • the upper flange 13 and the lower flange 14 are each provided so as to project inward in the radial direction of the cylindrical portion 12.
  • the upper flange 13 is formed with a plurality of bolt holes 13a arranged in the circumferential direction.
  • the upper flange 13 is provided with a first bracket 16 so as to project inward in the radial direction of the cylindrical portion 12.
  • FIG. 3A the upper flange 13 is formed with a plurality of bolt holes 13a arranged in the circumferential direction.
  • the upper flange 13 is provided with a first bracket 16 so as to project inward in the radial direction of the cylindrical portion 12.
  • the lower flange 14 is also formed with a plurality of bolt holes 14a arranged in the circumferential direction.
  • the first flange 17 is also provided on the lower flange 14 so as to project inward in the radial direction of the cylindrical portion 12. Details of the first brackets 16 and 17 will be described later.
  • the two cylindrical members 11 are fastened by bolts (not shown) inserted through 14a.
  • a plurality of cylindrical members 11 are connected to form a single cylindrical tower 10.
  • the cylindrical portion 12 of each cylindrical member 11 may be configured by connecting a plurality of cylindrical tower shells by welding or the like.
  • the tower 10 includes a load transmission structure 20 for attaching at least one interior product to the tower 10 side.
  • the interior goods are configured separately from the tower 10 and are arranged in the space inside the tower 10.
  • a ladder 70 for lifting and lowering a lifting device 72 (including a simple lifting device), a floor plate 74 that forms a floor for work and installation of electrical equipment, a cable fixing support (not shown), an electric cable And electrical equipment (not shown) such as a transformer.
  • the load transfer structure 20 includes at least one guide wire 22 (22a-22c) extending along the vertical direction and a guide wire 22 (22a-22c). ) And a plurality of short tubes 24 (24a to 24c) continuously provided along the vertical direction, and at least a pair of first brackets 16 and 17 provided on the flanges 13 and 14 of the cylindrical member 11, respectively.
  • the short pipe 24 is comprised with the steel pipe, and the steel pipe group is comprised including the several short pipe 24 connected along the perpendicular direction.
  • “along the vertical direction” does not mean that it is completely parallel to the vertical direction.
  • the guide wire 22 extends into the space in the tower along the vertical direction, and is mainly used for the purpose of maintaining a substantially vertical arrangement of the short tubes 24.
  • the guide wire 22 since the guide wire 22 does not mainly support the gravity load of the interior product and the plurality of short tubes 24, the guide wire 22 is hardly subjected to a large load, and thus the strength is so large.
  • An inexpensive guide wire 22 can also be used.
  • a wire rope obtained by twisting metal wires such as steel wires is used as the guide wire 22.
  • a material other than metal for example, a resin wire rope
  • a wire that is not twisted may be used.
  • both ends of the guide wire 22 are fixed to a pair of first brackets 16 and 17 provided on the upper flange 13 and the lower flange 14 of each cylindrical member 11.
  • the first brackets 16 and 17 are provided so that the positions of the upper flange 13 and the lower flange 14 in the circumferential direction substantially coincide with each other. Therefore, the guide wire 22 having both ends fixed to the pair of first brackets 16 and 17 is disposed along the vertical direction.
  • the 1st brackets 16 and 17 and the upper side flange 13 or the lower side flange 14 may be joined by welding, and may be integrally formed by forging etc.
  • the guide wire 22 and the first brackets 16 and 17 are connected to each other by, for example, forming a male screw at the end of the guide wire 22 and inserting the end of the guide wire 22 into a through hole provided in the first bracket 16 and 17. It may be fixed by tightening with a nut.
  • the short tube 24 has a through hole 26 (see FIG. 5) through which the guide wire 22 is inserted.
  • a plurality of short tubes 24 in which the guide wires 22 are inserted into the through holes 26 are stacked so as to be continuous in the vertical direction.
  • the lowermost short tube 24 among the plurality of short tubes 24 is supported by the first bracket 17 which is a support portion.
  • an appropriate tension is applied to the guide wire 22 passing through the through hole 26 of the short tube 24 in addition to the frictional force on the contact surfaces of the two adjacent short tubes 24. Since it maintains by giving, even if it is a case where the load which acts on a horizontal direction exists, an interior goods can be supported stably.
  • the wire mounting portion on the tower 10 side is sufficiently sufficient for the tension of the guide wire 22.
  • the structure can withstand.
  • At least one interior product is directly or indirectly attached to a predetermined short tube 24 among the plurality of short tubes 24.
  • a plurality of short tubes 24 through which the guide wires 22 are inserted allow a gravity load due to at least one interior product to be transmitted to the first bracket 17.
  • the gravity load of the plurality of short tubes 24 is also supported by the first bracket 17.
  • each short tube 24 is made of a sufficiently short member, it can have a structure in which a bending moment due to the attachment of the interior product is difficult to act, and the gravity load of the short tube 24 positioned above and the gravity of the interior product A structure that is not easily deformed even when a compressive load such as a load is applied can be provided. Furthermore, since the lower flange 14 of the cylindrical member 11 is usually made with high strength, by providing a support portion for the short pipe 24 on the lower flange 14, a plurality of short pipes 24 and short pipes 24 are provided. The lower flange 14 can reliably receive the gravity load of the supported interior product.
  • FIG. 5 is a perspective view showing a configuration example of the load support member.
  • FIG. 6A is a side cross-sectional view showing a state where the second bracket is attached to the short pipe
  • FIG. 6B is a cross-sectional view taken along the line CC in FIG.
  • the short pipe 24 is formed in a cylindrical portion 25, a through hole 26 formed along the axial center of the cylindrical portion 25, and an upper end portion and a lower end portion of the cylindrical portion 25, respectively. And provided flange portions 27 and 28.
  • the plurality of short tubes 24 are arranged along the vertical direction so that the lower collar portion 28 and the upper collar portion 27 of two short tubes 24 adjacent to each other in the vertical direction are in contact with each other.
  • the guide wire 22 is inserted into the through hole 26.
  • the contact area between the short tubes 24 is increased by the collar portions 27 and 28, the load can be appropriately transmitted even if the position of the short tube 24 is slightly shifted in the radial direction.
  • the load transmission structure 20 further includes a second bracket 30 for supporting at least one interior product on at least one of the plurality of short tubes 24.
  • the second bracket 30 includes a first plate member 31, a second plate member 32, and a bolt 33 that fastens the first plate member 31 and the second plate member 32.
  • the first plate member 31 includes a sandwiching portion 31a bent along the outer peripheral surface of the short tube 24, a flat plate portion 31b provided on both sides of the sandwiching portion 31a, and a bolt hole 31c formed in the flat plate portion 31b.
  • plate material 32 also has the same structure.
  • the flat plate portions 31 b and 32 b are brought into contact with each other so that the short tube 24 is sandwiched between the sandwiching portion 31 a of the first plate member 31 and the sandwiching portion 32 a of the second plate member 32, and the first plate member is secured by the bolt 33. 31 and the 2nd board
  • plate material 32 are fastened.
  • the second bracket 30 is attached to the short tube 24.
  • the second bracket 30 is supported from below by a flange 28 at the lower end of the short tube 24. Thereby, since the 2nd bracket 30 to which the interior goods were attached is supported from the downward direction by the collar 28 of the short tube 24, the 2nd bracket 30 does not slide down below the collar 28.
  • one of the flat plate portion 31b of the first plate member 31 and the flat plate portion 32b of the second plate member 32 may be formed in a long shape, and a connecting member 40 described later may be attached to the long portion.
  • FIG. 7A is a plan view showing the connecting member and its peripheral structure
  • FIG. 7B is a view taken along line DD in FIG.
  • the connecting member 40 which mutually connects the some short tube 24 in the same horizontal surface by which the guide wire 22 was penetrated.
  • the connecting member 40 (40a, 40b) is a member assembled by welding a shape steel or steel plate such as an H-shaped steel, an L-shaped steel, or a grooved steel, and is arranged along a vertical plane and is connected to the short tube 24.
  • a vertical plate portion 41 whose both ends are connected to each other, and a horizontal plate portion 42 protruding from the vertical plate portion 41 in the horizontal direction.
  • the short pipe 24 is connected to the connecting member 40 via the second bracket 30 by fastening one end of the vertical plate portion 41 to the second bracket 30 with a bolt 45.
  • Interior members such as a floor plate 74 can be attached to the connecting member 40 by bolting or welding. With such a configuration, it is easy to attach the interior product to the short pipe 24.
  • load transmission structure 20 is a displacement prevention part 50 (50a) which prevents displacement in the level surface of short tube 24.
  • the displacement prevention unit 50 may be configured to stretch the short tube 24 directly or indirectly inward in the radial direction of the cylindrical member 11.
  • the cylindrical member 11 is provided with a first wire 22a, a second wire 22b, and a third wire 22c positioned at the vertices of a substantially isosceles triangle in a plane.
  • the 1st wire 22a is located in the vertex which two equal sides of a substantially isosceles triangle share.
  • the first short tube 24a through which the first wire 22a is inserted and the second short tube 24b through which the second wire 22b is inserted are connected by the first connecting member 40a.
  • the first connecting member 40a is provided with a pair of sliding portions 47 projecting in the horizontal direction. Each sliding portion 47 is formed with a slit 48 along the extending direction of the first connecting member 40a.
  • a pair of second connecting members 40b are provided, one end of which engages with the slit 48 and the other end of which is rotatably attached to a third short tube 24c through which the third wire 22c is inserted.
  • the 1st connection member 40a and the 2nd connection member 40b are extended in the same horizontal surface.
  • Each short tube 24 (24a to 24c) is pressed against the inner peripheral surface of the cylindrical member 11 indirectly via the displacement preventing portion 50 (50a to 50c).
  • a connecting member 40 is attached to the short pipe 24 via the second bracket 30.
  • the second bracket 30 includes the first plate material 31 and the second plate material 32.
  • plate material 31 is a connection part with the displacement prevention part 50 extended from the clamping part 31a to a horizontal direction. 31d is included.
  • the displacement prevention unit 50 includes a contact portion 51 that contacts the inner peripheral surface of the cylindrical member 11 and an arm portion 52 that extends inward in the radial direction of the cylindrical member 11 from the contact portion. And the connection part 31d of the 2nd bracket 30 and the edge part of the arm part 52 of the displacement prevention part 50 are connected rotatably by making the volt
  • the displacement prevention unit 50 connected to the short tube 24 is connected to the inner periphery of the cylindrical member 11.
  • the surface can be brought into surface contact, and the displacement of the interior product in the horizontal plane can be reliably prevented.
  • the displacement prevention part 50 may contain the magnet, In that case, the short tube 24 can be fixed to the cylindrical member 11 by the magnetic force of the displacement prevention part 50.
  • the rotational force imparting part 60 may be attached to the second connecting member 40b.
  • the turning force applying unit 60 applies turning force for rotating the second connecting member 40b about the third short tube 24c to the second connecting member 40b.
  • a retractable member such as a rigging screw or a turnbuckle is used as the rotational force applying unit 60. If the distance between the 3rd short tube 24c and the 1st connection member 40a is enlarged by rotating the 2nd connection member 40b by the rotational force provision part 60, the 1st short tube attached to the both ends of the 1st connection member 40a will be explained.
  • the displacement prevention unit 50 pushes the first to third short tubes 24a to 24c radially inward against the pressing force directed outward in the radial direction, so that the first to third short tubes 24a are supported.
  • the displacement in the horizontal plane of ⁇ 24c can be effectively prevented.
  • connecting members 40a and 40b for connecting a plurality of short pipes 24a to 24c in the same horizontal plane are provided, and the assembly of the plurality of short pipes 24a to 24e and the connecting members 40a and 40b is formed into a cylindrical member by a displacement preventing portion 50. 11 is configured to stretch inward in the radial direction, so that the number of the displacement prevention units 50 can be reduced.
  • the interior product is attached to the short pipe 24 provided in the space in the tower, so that the interior product is installed on the tower 10 side without directly welding the interior product to the tower shell.
  • the product can be supported. Thereby, the fall of the fatigue strength category of the tower 10 by attachment of interior goods can be prevented, Therefore Weight reduction of the tower 10 can also be aimed at.
  • a plurality of load transmission members are arranged so as to continue in the vertical direction in the tower interior space, the interior items can be fixed at a desired position in the tower space if an appropriate load transmission member is attached. can do.
  • the interior product is attached to the plurality of short pipes 24 that are continuous in the vertical direction, even a heavy interior product can be stably supported.
  • each short pipe 24 can be made into a structure in which a bending moment is unlikely to occur by making it an appropriate length, and the short pipe itself can be made compact.
  • the interior product is supported directly or indirectly by the second bracket 30.
  • the interior product is directly supported by the second bracket 30, for example, one flat plate portion 31b (or 32b) of the second bracket 30 is used as the interior product by using the second bracket 30 extending from the short tube 24 to the interior product. Bolt fastening or hook engagement.
  • the means for fixing the interior product and the second bracket 30 is not particularly limited.
  • the interior product is indirectly supported by the second bracket 30, for example, the interior product is supported via another member such as the connecting member 40 attached to the second bracket 30.
  • a ladder 70 disposed in a substantially vertical direction within the cylindrical member 11 is short via a connecting member 40 at a plurality of substantially vertical positions.
  • the lifting device 72 is provided with a guide for raising and lowering the car to the connecting member 40, and by engaging the hook on the lifting device side with the guide attached to the connecting member 40, the lifting device 72 has a short pipe. 24.
  • the guide is attached to the short tube 24 via the connecting member 40 at a plurality of substantially vertical positions.
  • the floor plate 74 is provided for each section partitioned by a plurality of connecting members 40 extending in the same horizontal plane. Each floor board 74 is connected to the adjacent connecting member 40 at a plurality of positions in the horizontal plane. Thereby, the floor board 74 is attached to the short pipe 24 via the connecting member 40.
  • a strut tube (strut) is provided between the first bracket 16 and the connecting member 40 that supports the uppermost floor plate 74 a in the cylindrical member 11.
  • pipe) 29 may be interposed.
  • the tension tube 29 may be a steel tube (long tube) longer than the short tube 24.
  • FIG. 8A is a side view showing the attached state of the tension tube
  • FIG. 8B is a front view showing the attached state of another tension tube.
  • the strut tube 29 has a length corresponding to the distance between the first bracket 16 and the connecting member 40 that supports the uppermost floor plate 74a.
  • the lower end of the tension tube 29 is fixed to the connecting member 40 that supports the uppermost floor plate 74 a by a bolt 36.
  • the upper end of the tension tube 29 is fixed to the lower surface of the first bracket 16 by a bolt 37 as shown in FIG. Further, the upper end of the tension tube 29 may be directly attached to the upper flange 13 of the cylindrical member 11 with a bolt 39 as shown in FIG.
  • the uppermost floor plate 74 a can be supported by the tension tube 29, and when a failure occurs in the tension tube 29. Even so, since the short tube 24 supports the strut tube 29, the reliability of the load transmission structure 20 can be further enhanced.
  • the tension tube 29 is attached to the first bracket 16 by providing a portion and providing a concave portion on the other side and engaging the convex portion and the concave portion.
  • the tension tube 29 is supported.
  • the tension tube 29 can be easily attached to the first bracket 16, and even if a problem occurs in the tension tube 29, the short tube 24 supports the tension tube 29, so that the load transmission structure 20 Reliability can be further increased.
  • the short tube 24 with a collar is exemplified as the load transmission member.
  • a plate-like member, a block-like member or the like is used as the load transmission member.
  • Other shapes of members may be used.
  • the upper and lower surfaces of the members are flat so that a plurality of members can be stacked along the vertical direction.
  • the through hole may not be provided on the axis of the member.
  • the through hole may be provided in a convex portion provided on the outer surface of the member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

La présente invention porte sur au moins une coque de tour cylindrique, et une structure de transmission de charge destinée à transmettre une charge de support de partie intérieure d'une tour à la coque de tour. La structure de transmission de charge comprend : un groupe de tubes d'acier comprenant une pluralité de tubes d'acier reliés verticalement ; un fil-guide qui est inséré dans la pluralité de tubes d'acier ; et une partie de retenue qui est placée aux extrémités du groupe de fils d'acier et qui retient le groupe de fils d'acier sur la coque de tour. Les parties intérieures de la tour sont attachées directement ou indirectement aux tubes d'acier.
PCT/JP2013/053007 2013-02-08 2013-02-08 Tour pour dispositif de génération d'énergie éolienne Ceased WO2014122767A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/053007 WO2014122767A1 (fr) 2013-02-08 2013-02-08 Tour pour dispositif de génération d'énergie éolienne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/053007 WO2014122767A1 (fr) 2013-02-08 2013-02-08 Tour pour dispositif de génération d'énergie éolienne

Publications (1)

Publication Number Publication Date
WO2014122767A1 true WO2014122767A1 (fr) 2014-08-14

Family

ID=51299379

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/053007 Ceased WO2014122767A1 (fr) 2013-02-08 2013-02-08 Tour pour dispositif de génération d'énergie éolienne

Country Status (1)

Country Link
WO (1) WO2014122767A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728057A (zh) * 2015-04-03 2015-06-24 浙江国星实业有限公司 一种风力发电塔的爬梯
JP2023528352A (ja) * 2020-05-27 2023-07-04 シーメンス ガメサ リニューアブル エナジー イノヴェーション アンド テクノロジー エス．エル． 適合可能なタワープラットフォーム装置
EP4542028A1 (fr) * 2023-10-18 2025-04-23 Siemens Gamesa Renewable Energy A/S Segment de tour avec structure de maintien pour une éolienne et procédé de fabrication d'une tour
EP4545785A1 (fr) * 2023-10-24 2025-04-30 Siemens Gamesa Renewable Energy A/S Structure de maintien pour une éolienne et coque de tour

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020012582A1 (en) * 1998-12-17 2002-01-31 Karsten Kirkegaard Wind mill with a suspension for cables and the like, such suspension for cables and the like and a holder for such suspension
US20090031668A1 (en) * 2005-09-16 2009-02-05 Gamesa Innovation And Technology, S.L. Method of Mounting Elements Inside a Wind Generator Tower
US20100122508A1 (en) * 2008-11-17 2010-05-20 Vestas Wind Systems A/S Tower, a wind turbine and a method for arranging a platform inside a tower
US20100186342A1 (en) * 2002-02-06 2010-07-29 Vestas Wind Systems A/S Wind turbine tower suspension means
US20120161443A1 (en) * 2009-02-28 2012-06-28 Ener2 Llc Wind turbine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020012582A1 (en) * 1998-12-17 2002-01-31 Karsten Kirkegaard Wind mill with a suspension for cables and the like, such suspension for cables and the like and a holder for such suspension
US20100186342A1 (en) * 2002-02-06 2010-07-29 Vestas Wind Systems A/S Wind turbine tower suspension means
US20090031668A1 (en) * 2005-09-16 2009-02-05 Gamesa Innovation And Technology, S.L. Method of Mounting Elements Inside a Wind Generator Tower
US20100122508A1 (en) * 2008-11-17 2010-05-20 Vestas Wind Systems A/S Tower, a wind turbine and a method for arranging a platform inside a tower
US20120161443A1 (en) * 2009-02-28 2012-06-28 Ener2 Llc Wind turbine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728057A (zh) * 2015-04-03 2015-06-24 浙江国星实业有限公司 一种风力发电塔的爬梯
JP2023528352A (ja) * 2020-05-27 2023-07-04 シーメンス ガメサ リニューアブル エナジー イノヴェーション アンド テクノロジー エス．エル． 適合可能なタワープラットフォーム装置
JP7481502B2 (ja) 2020-05-27 2024-05-10 シーメンス ガメサ リニューアブル エナジー イノヴェーション アンド テクノロジー エス．エル． 適合可能なタワープラットフォーム装置
EP4542028A1 (fr) * 2023-10-18 2025-04-23 Siemens Gamesa Renewable Energy A/S Segment de tour avec structure de maintien pour une éolienne et procédé de fabrication d'une tour
WO2025083172A1 (fr) * 2023-10-18 2025-04-24 Siemens Gamesa Renewable Energy A/S Segment de tour avec structure de maintien pour éolienne et procédé de fabrication d'une tour
EP4545785A1 (fr) * 2023-10-24 2025-04-30 Siemens Gamesa Renewable Energy A/S Structure de maintien pour une éolienne et coque de tour

Similar Documents

Publication Publication Date Title
JP5536197B2 (ja) タワー内装品ブラケット構造及び風力発電装置
US20130205686A1 (en) Tower and wind turbine generator having the same
AU2008331344B2 (en) Flange joint for structural member
US20130299277A1 (en) Optimized Wind Turbine Tower with Mountings for Tower Internals
US20110254277A1 (en) Wind turbine tower and wind turbine generator
US20110142680A1 (en) Offshore wind turbine generator
US20110140447A1 (en) Reinforcement assembly for use with a support tower of a wind turbine
WO2014122767A1 (fr) Tour pour dispositif de génération d'énergie éolienne
EP4023881B1 (fr) MÂT HAUBANÉ, ENSEMBLE GÉNÉRATEUR ÉOLIEN ET DISPOSITIF DE RACCORDEMENTa
KR101388882B1 (ko) 플랜지 디스크가 용접된 강관
US10724203B2 (en) Foundation pile for a wind turbine
US20190161991A1 (en) Connecting element for connecting tower portions, tower portion, tower, wind turbine, and method for producing a tower portion and for connecting tower portions
US8056296B2 (en) Methods and apparatus for assembling wind turbine towers
US9500178B2 (en) Wind turbine rotor and method of mounting
JP6145056B2 (ja) 風力発電装置用タワー及び風力発電装置
KR20110068332A (ko) 풍력발전기의 타워 모듈
AU2010279194B2 (en) Semi-flexible supporting structure for wind turbine
US9587624B2 (en) Wind turbine rotor with improved hub system
JP7439094B2 (ja) プラットフォーム及び固定要素を有するタワー要素
KR101597565B1 (ko) 풍력발전기용 타워 및 그 설치방법
JP5756358B2 (ja) フランジ構造及び風力発電装置
KR101325693B1 (ko) 케이블 홀더
KR102045581B1 (ko) 복수의 강관을 이용한 풍력발전기의 타워
JP2014055458A (ja) 塔状構造物
KR20200036480A (ko) 관형지지물용 하이브리드 연결장치 및 연결방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13874611

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13874611

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP