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WO2016189083A1 - Mât d'éolienne - Google Patents

Mât d'éolienne Download PDF

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Publication number
WO2016189083A1
WO2016189083A1 PCT/EP2016/061893 EP2016061893W WO2016189083A1 WO 2016189083 A1 WO2016189083 A1 WO 2016189083A1 EP 2016061893 W EP2016061893 W EP 2016061893W WO 2016189083 A1 WO2016189083 A1 WO 2016189083A1
Authority
WO
WIPO (PCT)
Prior art keywords
formwork
steel section
steel
parts
wind turbine
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/EP2016/061893
Other languages
German (de)
English (en)
Inventor
Roy KERSTEN
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.)
Wobben Properties GmbH
Original Assignee
Wobben Properties GmbH
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
Priority claimed from DE102015209686.6A external-priority patent/DE102015209686A1/de
Application filed by Wobben Properties GmbH filed Critical Wobben Properties GmbH
Publication of WO2016189083A1 publication Critical patent/WO2016189083A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F03D13/10—Assembly of wind motors; Arrangements for erecting 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
    • 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
    • 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
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • 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
    • F05B2240/40—Use of a multiplicity of similar components
    • 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
    • F05B2240/57—Seals
    • 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

  • the present invention relates to a wind turbine tower and a wind turbine.
  • Wind turbine towers made of steel or at least partially made of steel are well known.
  • Such a tower typically has a plurality of steel segments which are placed on top of each other.
  • the steel segments can be configured in one piece or in several parts.
  • the respective parts of the steel segment or the steel section may have two longitudinal joints, so that at least two parts of the steel section are assembled at their longitudinal joints to form a steel section.
  • EP 2 479 430 B1 describes a method for assembling shell segments of a tower of a wind energy plant.
  • EP 2 253 781 B1 shows a tower of a wind energy plant, which is composed of a plurality of steel segments.
  • Each of the steel segments has two steel segment sections and connecting means for connecting the two steel segment sections.
  • the connecting means have a formwork, which are arranged in the region of a longitudinal joint or a longitudinal flange and filled with concrete to obtain a steel segment consisting of several steel segment sections.
  • a wind turbine tower with a plurality of steel sections placed on each other is provided. At least one of the steel sections consists of at least a first and second part, which are fastened together by means of longitudinal joints. In each case a formwork is provided in the region of the longitudinal joints, which is fastened by means of fastening units to the first and second part of the steel section. The formwork is at least partially potted with a potting compound.
  • the formwork has first and second end portions which abut by means of seals on the first and second parts of the steel section.
  • the first and second (longitudinal) end portions of the formwork are fastened by means of fastening units to the first and second parts of the steel section.
  • a plurality of spline elements are provided on the first and second parts of the steel section along the longitudinal joint.
  • a reinforcing cage is provided in the region of the toothed elements. This is advantageous in terms of improved statics of the composite joint between adjacent steel section parts.
  • the wind turbine tower on fastening means which are formed as threaded rods.
  • the threaded rods are fixed with their first end fixed to the first and second parts of the steel section.
  • the formwork has a central portion which is attached to the second ends of the threaded rods.
  • the formwork has first and second end portions, which abut against the parts of the steel section by means of seals.
  • the present invention also relates to a wind turbine with a wind turbine tower described above.
  • the invention relates to the idea of providing a wind turbine tower consisting of a plurality of steel segments or steel sections, which in turn are each composed of at least two steel segment parts or steel section parts. be set.
  • a wind turbine tower consisting of a plurality of steel segments or steel sections, which in turn are each composed of at least two steel segment parts or steel section parts. be set.
  • at least one formwork is provided inside the parts, which are fastened to the outer wall of the steel section parts by a plurality of fastening means (such as threaded rods).
  • one end of the fastening means for example, by means of a socket on an outer formwork or outer wall attached.
  • the formwork is attached to the second ends of the fastening means.
  • Each of the steel segment parts has at least one attachment means.
  • the formwork is thus attached to two steel segment parts.
  • This embodiment of the attachment of the formwork to the segments results in improved rigidity or stiffening of the tower. According to the invention can be dispensed with a longitudinal
  • the formwork is used with in-situ concrete or grouting, z. B. Pagel, filled on site at the site.
  • a plurality of head bolts may be attached to the inside of the formwork and / or to the inside of the outside wall.
  • a seal At the transition between the formwork and the outer wall may be provided a seal.
  • a bushing and a tab may be provided, by means of which the ends of the formwork can be fastened to the outer wall.
  • the head bolts may be provided on the formwork and / or on the outer wall.
  • the invention also relates to a method for erecting a tower of a wind energy plant.
  • the tower of the wind turbine consists of several segments arranged on top of each other. At least one of the tower segments is provided as a steel section consisting of a plurality of steel segment parts, which are each fastened to one another via a longitudinal joint, for example on impact.
  • the respective steel section parts can be prefabricated in a factory.
  • gear elements such as, for example, headed bolts are provided in the region of the longitudinal joints or the longitudinal ends of the steel section parts.
  • the head bolt dowels can for example be welded to a lateral surface of the steel section parts. Subsequently, the steel section parts can be transported to the construction site.
  • Screw-on bushes or weld-on bushings can be welded to the steel section parts as an option. This is done in particular in the region of the longitudinal end of the steel section parts.
  • These Anschraubbuchsen serve to receive fasteners such as screws, by means of which the longitudinal ends of a formwork can be screwed.
  • a reinforcement cage can optionally be inserted or fastened in or on the toothing elements. After the casing has been fastened, for example by means of fastening means in the form of screws, the volume covered by the formwork can be potted with a potting compound. After hardening of the potting compound, the formwork can optionally be removed.
  • the toothing elements according to the invention can be configured as head bolt anchors, as strips, as welded reinforcing elements, etc.
  • the toothed elements can in particular be welded to the jacket plate of the steel section parts.
  • FIG. 1 shows a schematic representation of a wind energy plant according to the invention
  • FIG. 2 shows a schematic representation of a tower segment according to a first exemplary embodiment
  • Fig. 3 shows a schematic sectional view of the tower segment of
  • FIG. 4 shows a schematic sectional view of a tower segment according to a first exemplary embodiment
  • FIG. 5 shows a schematic sectional view of a section of a tower segment according to a second exemplary embodiment
  • FIG. 6 shows a schematic sectional view of a detail of a tower segment according to a third exemplary embodiment
  • FIG. 7 shows a schematic sectional view of a section of a tower according to a fourth exemplary embodiment of the invention
  • Fig. 8 shows a perspective sectional view of a tower segment
  • Wind energy plant according to a fifth embodiment shows a schematic sectional view of a section of a tower segment according to the fifth exemplary embodiment of the invention.
  • Fig. 10 shows a schematic sectional view of a tower segment according to the invention.
  • Fig. 11 shows a schematic sectional view of one of the longitudinal joints of
  • Fig. 1 shows a schematic representation of a wind turbine according to the invention.
  • the wind turbine 100 has a tower 200 and a pod 104 on the tower 200.
  • An aerodynamic rotor 106 with three rotor blades 108 and a spinner 110 is provided on the nacelle 104.
  • the aerodynamic rotor 106 is set into rotary motion by the wind during operation of the wind turbine and thus also rotates a rotor or rotor of a generator which is coupled directly or indirectly to the aerodynamic rotor 106.
  • the electric generator is disposed in the nacelle 104 and generates electrical energy.
  • the pitch angles of the rotor blades 108 can be changed by pitch motors on the rotor blade roots 108b of the respective rotor blades 108.
  • the tower segments 230 may be configured in several parts, so that z. B. a longitudinal joint 231, 232 is present. Each tower segment has a first or upper flange 210 and a second or lower flange 220, respectively.
  • the tower segments may be at least partially configured as steel sections.
  • Fig. 2 shows a schematic representation of a tower segment according to a first embodiment.
  • a tower segment 230 is shown consisting of two steel section parts, each having two longitudinal joints 231, 232, so that the steel section parts are assembled at their longitudinal joints to form a steel section.
  • the tower segment 230 is thus designed as a steel section.
  • the steel section parts are placed against each other and held together by a formwork 300.
  • FIG. 3 shows a schematic sectional view of the tower segment from FIG. 2.
  • FIG. 3 shows a tower segment in the form of a steel section 230 with the formwork 300.
  • the Formwork 300 may be secured to an outer wall of tower segment 230 via a plurality of fasteners (such as threaded rods or threaded bolts) 340.
  • a first end of the fastening means may be fixedly secured to the outer wall, while the second end of the fastening means attached to the formwork 300, for example screwed, is.
  • concrete such as in-situ concrete or other potting compound such. As Pagel be pressed on the site, so that the two tower segment parts are held together by means of the formwork 300 and the concrete contained therein 400.
  • FIG. 4 shows a schematic sectional view of a tower segment according to a first exemplary embodiment. 4, a cross section through a tower segment 230 is shown. Here, in particular, a flange 210 and the formwork 300 is shown. The formwork 300 is fastened by means of the threaded bolts 340 to an outer wall of the tower segment or the steel section 230.
  • FIG. 5 shows a schematic sectional view of a section of a tower segment according to a second exemplary embodiment.
  • Two tower segment sections or steel section parts 230 are fastened to each other by means of their longitudinal joints 231, 232 and a seal 360 therebetween.
  • a plurality of threaded rods or attachment means 340 is attached at each of the tower segment sections or steel section parts 230.
  • a first end 343 of the threaded rods 340 may be fixedly secured to the tower segment sections 230, for example in a bushing 342.
  • a (steel) formwork 310 is coupled to the two tower segment sections 230 by means of the second ends 341.
  • a plurality of head bolts 320 may be provided on the tower segment sections 230 and / or on the inside of the formwork 300.
  • the formwork 310 has, in cross-section, a middle straight section 312 and two angled side sections 311, 313. At the respective ends 311a, 313a, a respective seal 314 is provided, which seals the transition between the tower segment sections 230 and the first ends 311a, 313a.
  • the interior of the formwork can be filled with concrete 400. When the concrete has hardened, a good connection is provided between the tower segment sections 230. This compound is advantageous because it contributes to a considerable stiffening or improvement of the rigidity.
  • the head bolts 320 are provided perpendicular to the sections 311, 313 of the formwork 310. On the outer wall 230 and head bolts 320 may be provided.
  • FIG. 6 shows a schematic sectional view of a section of a tower segment according to a third exemplary embodiment.
  • the configuration of the connection of the tower segment sections or steel section parts according to FIG. 6 essentially corresponds to the embodiment of FIG. 5. Only the fastening means z. B. in the form of head bolts 320 are not perpendicular to the sections 311, 313 are provided.
  • a plurality of bushes 316 may be secured to the tower segment sections 230, which formwork can then be pressed against the tower segment sections by means of tabs 317 and screws, resulting in improved tightness.
  • Fig. 7 shows a schematic sectional view of a section of a tower according to a fourth embodiment of the invention.
  • the embodiment of the formwork according to FIG. 7 essentially corresponds to the embodiment of the formwork according to FIG. 5, but the sockets 316 and the tab 3 7 have been dispensed with.
  • the formwork 300 can already be made in the factory and can optionally be fastened to at least one of the tower segment sections 230.
  • the headband or head pin stirrups can already be welded to the tower segment sections or the formwork at the factory.
  • the steel section or the tower segment can be separated in the factory to improve the transportability.
  • the split steel section can then be transported to the construction site.
  • the two parts of the steel section can be joined again by means of the formwork.
  • the formwork according to one aspect of the invention optionally not only serves to join the two steel section halves, but also serves to improve the rigidity of the steel sections. In particular, can be avoided by increasing the rigidity bending of the section during assembly, for example, during the casting of the concrete.
  • the formwork 310 can be used both from a static and constructive point of view.
  • FIG. 8 shows a perspective sectional view of a tower segment of a wind energy plant according to a fifth exemplary embodiment.
  • a tower segment 230 is shown consisting of two steel section parts, each having two longitudinal joints 231, 232, so that the steel section parts are assembled to form a steel section, whereby in each case a longitudinal joint is formed.
  • the tower segment 230 is thus designed as a steel section.
  • the tower segment 230 has upper and lower flanges 210, 220.
  • the steel section parts are thus placed against each other and held together by a formwork 300.
  • the formwork 300 can be attached to its (longitudinal) end portions, for example by means of fastening units 318, for example in the form of screws, to the steel section parts in such a way that they cover a longitudinal joint between the adjacent steel section parts. Subsequently, concrete or another potting compound can be poured into the formwork.
  • Fig. 9 shows a schematic sectional view of a section of a tower segment according to the fifth embodiment of the invention.
  • Two steel section parts 230 are attached to each other, so that a longitudinal joint is formed.
  • a seal 360 may be provided therebetween or in front of the longitudinal joint on the inside.
  • a plurality of fixing means 320a are fastened in the form of, for example, headed bolts.
  • the fastening means 320a are provided in particular in the region of the longitudinal joints 231, 232.
  • the fastening means 320a can extend along the length of the steel section 230 in the region of the longitudinal joint 231, 232.
  • the formwork 310 is fastened to the steel section parts 230 at its two (longitudinal) ends or end sections 310a, for example by means of fastening elements 318.
  • a seal 314 may be provided.
  • the formwork 310 has a central portion 312, which covers the head bolt dowel 320 a and the longitudinal joint 231, 232 and surrounds.
  • the fixing units 320a may be fixed on one side to the steel section parts 230. This can be done for example by welding. Furthermore, a reinforcing cage 320b can optionally be laid over the fastening units 320a before the potting compound 400 is poured into the formwork 310.
  • the shutter 310 is thus fixed to the steel wall of the steel section parts 230 at its longitudinal sides 310a (optionally by means of a gasket). An attachment of the formwork by means of threaded rods 340 as shown in FIG. 5 thus does not take place according to the fifth embodiment.
  • the embodiment according to the fifth embodiment of Fig. 9 is thus advantageous because the assembly of the formwork can be done much easier. Furthermore, the formwork 310 can be made much simpler, because no head bolt 320 must be attached to the inside of the formwork.
  • the formwork 310 may extend substantially along the lengthwise direction of the tower segment.
  • the formwork may extend only partially along the longitudinal direction of the tower segment.
  • a tower segment is provided in the form of a steel section, wherein the steel section consists of several parts and the steel section parts are held together by means of a composite joint.
  • anschraubbuchsen or weld-on bushings can be provided on the steel section parts in particular in the region of the longitudinal joint adjacent to the toothed elements.
  • This screw-on bushing or weld-on bush is used to hold the screws that secure the formwork and gasket to the steel section parts.
  • the seal 314 may be provided as a strip parallel to the longitudinal joint and provided between the longitudinal end portions of the formwork and the lateral surfaces of the steel section parts.
  • a seal or a sealing strip for example in the form of a rubber band on the inside of the longitudinal joints can be provided before the potting compound is poured into the formwork 310. This can prevent potting compound from leaking to the outside.
  • a wind turbine tower segment is thus provided in the form of a steel section, which has an upper and a lower annular flange.
  • the steel section consists of at least two steel section parts, which are placed on each other via a longitudinal joint in abutment and are interconnected by a formwork. Potting compound is introduced into the formwork. After hardening of the potting compound, the formwork can optionally be removed.
  • a plurality of toothing elements is provided along the longitudinal joint. When the grout is poured into the formwork and hardened, it surrounds the splines, creating a composite joint.
  • the tower segment can be mounted horizontally, ie the steel section parts can be mounted horizontally.
  • a formwork may be provided, which has no middle section 312. This middle section is also not necessary in a horizontal installation, since the potting compound can be poured into the upwardly open formwork and the Vernierungsetti, which are attached to the steel section parts, as well as the reinforcement cage surrounds.
  • the composite joint according to the invention between two adjacent steel section parts of a tower segment formed as a steel section is advantageous because there are no screws on the joint here, which must be maintained. Furthermore, the design of the joint using in-situ concrete is cheaper than the provision of a longitudinal flange and the screw connection of the longitudinal flange.
  • a wind turbine tower segment is thus provided with a plurality of steel section parts, which are connected to each other via a longitudinal joint or a concrete joint in the longitudinal direction.
  • a longitudinal joint or a concrete joint in the longitudinal direction may be provided instead of or in addition to the longitudinal joint, a horizontal joint, which is designed by means of the formwork described above as a compound joint.
  • the formwork and the associated composite joint may extend over at least two steel sections arranged on top of each other. For this, only the upper and lower flange of the steel section in the area of the formwork must be adapted.
  • Fig. 10 shows a schematic sectional view of a tower segment according to the invention.
  • the tower segment consists of two steel section parts, each having two longitudinal joints 231, 232, so that the steel section parts are assembled at their longitudinal joints to form a steel section.
  • At the ends of the steel section parts 230 are a plurality of spline elements 320 such as Head bolt provided.
  • a spacer element 500 is provided, which can be configured as a spacer plate. With the help of the spacer plate, the distance between the longitudinal joints 231, 232 can be accurately adjusted.
  • Fig. 11 shows a schematic sectional view of one of the longitudinal joints of Fig. 10.
  • a seal 360 may be provided, which is to ensure, for example, that no rainwater penetrates into the longitudinal joint.
  • Another seal 361 may be provided on the inside of the steel section and may serve as a seal for the concrete joint.
  • a bias of the formwork are generated, so that the formwork can be made stiffer and optionally contribute to the seal.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Wind Motors (AREA)
  • Foundations (AREA)

Abstract

L'invention concerne un mât d'éolienne comprenant une pluralité de sections d'acier (230) qui sont placées les unes sur les autres. Au moins l'une des sections d'acier (230) se compose d'au moins une première et une deuxième partie qui sont fixées entre elles au moyen de jointures longitudinales (231, 232). Dans la zone des jointures longitudinales (231, 232) se trouve une enveloppe (300) respective qui est fixée à la première et à la deuxième partie de la section d'acier (230) au moyen d'unités de fixation (340).
PCT/EP2016/061893 2015-05-27 2016-05-26 Mât d'éolienne Ceased WO2016189083A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102015209686.6A DE102015209686A1 (de) 2015-05-27 2015-05-27 Windenergieanlagen-Turm
DE102015209686.6 2015-05-27
DE102016107631.7 2016-04-25
DE102016107631 2016-04-25

Publications (1)

Publication Number Publication Date
WO2016189083A1 true WO2016189083A1 (fr) 2016-12-01

Family

ID=56101436

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/061893 Ceased WO2016189083A1 (fr) 2015-05-27 2016-05-26 Mât d'éolienne

Country Status (3)

Country Link
TW (1) TW201712223A (fr)
UY (1) UY36693A (fr)
WO (1) WO2016189083A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN111894809A (zh) * 2019-05-06 2020-11-06 北京天杉高科风电科技有限责任公司 拼装工装以及拼装方法

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE19823650A1 (de) * 1998-05-27 1999-12-09 Wilfried Arand Verfahren und Vorrichtung zum Herstellen von hohen, hohlen, turmartigen Bauwerken von zweihundert Metern Höhe und mehr, insbesondere von Türmen für Windkraftanlagen
EP2253781A1 (fr) * 2009-05-21 2010-11-24 Ecotecnia Energias Renovables, S.L. Connexion composite pour la structure d'une tour d'éolienne
EP2479430A1 (fr) * 2011-01-24 2012-07-25 Alstom Wind, S.L.U. Procédé pour assembler des segments de coque pour former des sections de tour d'une éolienne hybride

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CN111894809B (zh) * 2019-05-06 2022-03-04 北京天杉高科风电科技有限责任公司 拼装工装以及拼装方法

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