WO2015003694A1 - Dispositif permettant l'inspection d'une éolienne - Google Patents

Dispositif permettant l'inspection d'une éolienne Download PDF

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Publication number
WO2015003694A1
WO2015003694A1 PCT/DE2014/100248 DE2014100248W WO2015003694A1 WO 2015003694 A1 WO2015003694 A1 WO 2015003694A1 DE 2014100248 W DE2014100248 W DE 2014100248W WO 2015003694 A1 WO2015003694 A1 WO 2015003694A1
Authority
WO
WIPO (PCT)
Prior art keywords
wind turbine
tower
inspection platform
inspection
cable
Prior art date
Application number
PCT/DE2014/100248
Other languages
German (de)
English (en)
Inventor
Andreas Kroll
Gero Bonow
Original Assignee
Universität Kassel
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 Universität Kassel filed Critical Universität Kassel
Publication of WO2015003694A1 publication Critical patent/WO2015003694A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • E04G3/243—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the outside contour of a building
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/001—Safety or protective measures against falling down relating to scaffoldings
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
    • 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

Definitions

  • the invention relates to a device for inspecting a wind turbine according to the preamble of claim 1.
  • Such devices are used in particular for the inspection of rotor blades and towers of wind turbines. These components may be damaged by mechanical overload, lightning strikes or the like and may, for example, have cracks which could stand in the way of permanent harmless operation.
  • Such a device is already known from EP 1 516 846 A2. However, this device has an inspection platform for inspection and maintenance of individual rotor blades, wherein the tower of the wind turbine to be inspected hereby can not be inspected. Furthermore, this device for fixing the
  • Inspection platform on the tower of the wind turbine permanent magnets, which require appropriate ferromagnetic counter-elements of the tower and thus stabilize the inspection platform on the tower of the wind turbine.
  • the device has a complicated structure and relies on a metallic tower of the wind turbine to stabilize the inspection platform in any position can.
  • the inventive device for inspecting a wind turbine with a vertically movable along a tower of a wind turbine inspection platform is characterized in that the inspection platform consists of at least two, preferably via a joint, pivotally interconnected modules, each module has at least one rolling element, which at vertical motion of the device rolls on the tower of the wind turbine, and wherein the inspection platform is movable by means attached to her fasteners ropes, which are connected via a cable guide to the nacelle of the wind turbine, the ropes each having a cable drive is assigned, through which the inspection platform along the tower of the wind turbine is movable.
  • each cable can be assigned a separate cable drive or a plurality of cables a common cable drive.
  • rope in the sense of the invention should not only be understood to mean a classic rope, but also chains, cables or the like. Due to the inventive design of the device, it is possible to
  • Inspection platform in the direction of the tower presses Due to the modular design of the inspection platform is also ensured that the device can be mounted in a simple manner temporarily on a tower of a wind turbine and adapted. Likewise, such a mounted device can be dismantled again in a short time. Due to the modular construction of the inspection platform also a very small footprint is required in the transport of the device. In addition, the fact that each rope is assigned a cable drive, in a simple way possible the
  • Wind turbine but also to connect with the foot of the wind turbine. Under the foot of the wind turbine here is the bottom of the wind turbine to understand.
  • a connection or such a fixation on which the cable guide is arranged carried by a floor mounting.
  • a fixation on a floor construction where the ropes and associated winches, pulleys or the like can be fixed take place. Is one
  • a lightweight base ring can be applied as a fixed support around the tower, for example with ropes, cables, straps or the like.
  • This support can then be designed, for example, as a pneumatic sleeve, which is inflated on site. Also he can as
  • the non-positive contact pressure on the tower for example, pneumatically or hydraulically, and preferably around the entire tower circumference. Can the tower of the
  • Wind turbine no vertical holding forces are built up, so the fixation at the foot of the tower by a large mass, for example, a temporary
  • the inspection platform and the cable system may remain stationary in the field or may be spent on site for inspection.
  • the suspension ropes can be fixed on site or light pilot ropes, which can be used for temporary installation of the ropes.
  • the inspection platform is designed as an open ring, which is preferably designed as a half-ring or smaller ring segment. The individual modules of the inspection platform are included
  • the inspection platform can be easily mounted by personal force eg offshore on a tower of a wind turbine.
  • the individual modules of the inspection platform are not just pivoted, but also releasably connected to each other, so that the handling is simplified again, since the individual modules are easier to handle and can be assembled on site at the wind turbine to the appropriate for the wind turbine inspection ring.
  • the trained as an open ring inspection platform is due to the pivotable and releasably connected by means of joints modules and the cable guide in diameter flexible so that they can adjust automatically on the along the vertical axis of the wind turbine tower diameter varying during the process.
  • the rolling elements such as rollers, wheels, balls or the like, automatically optimally to the surface of the tower of the wind turbine, so that a simple and energy-efficient method of the device is guaranteed.
  • the inspection platform Due to the cable guide, the inspection platform is always pressed during the process to the tower and can be aligned or fixed in the desired position by a corresponding control of the cable drives. Interference, such as wind load or asymmetric loading of the inspection platform can thus be compensated.
  • coupling elements are provided on the nacelle and optionally at the foot of the wind turbine, which are preferably arranged at three ropes offset by 120 ° to the tower of the wind turbine.
  • Connecting element preferably at the front of the nacelle, ie in the region of the hub of the rotor blades and two coupling elements on the back of the nacelle, ie arranged opposite the hub of the rotor blades.
  • the connection of the cables also takes place via such arranged articulation elements at the foot of the tower Wind turbine.
  • the rope drives for the ropes can be assigned to either the foot, the nacelle or the inspection platform. Due to the simpler power supply, it makes the most sense, the bottom end of the drive at the foot of the tower
  • Wind turbine to install This also has the advantage that the drives do not have to be involved in the process of the inspection platform, and thus less energy must be applied. Also, the drives do not have to be transported in the nacelle at the top of the tower of the wind turbine.
  • installed on the bottom side drives can also be used temporarily, so that not every wind turbine that is inspected or maintained with a device according to the invention must be permanently equipped with drives. Rather, the drives for inspection of the wind turbine with the device according to the invention can be spent on site and installed.
  • the cable drives are as winding drives or as
  • with continuous cable drives is a secure clamping of the device according to the invention on the tower of a
  • a boom can be arranged on the inspection platform, with which an inspection and maintenance of the rotor blades of the wind power plant can be carried out in a simple manner.
  • This boom is designed such that it can be entered by maintenance personnel and a rotor blade, which is aligned with its longitudinal axis parallel to the longitudinal axis of the tower, can be inspected and maintained over its extension perpendicular to the longitudinal axis of the tower. In this case, the boom can completely rotate the rotor blade.
  • the entire electrical supply of the inspection platform takes place via cable either via the gondola (topside) or from the ground (groundside). Autonomous operation by means of batteries or generator can alternatively be used.
  • the communication of control and measurement signals is in particular wireless, but can also be wired.
  • the device can be spent on a tower of the wind turbine in a simple manner, especially in offshore plants, an auxiliary device is provided on a ship.
  • an auxiliary device is provided on a ship.
  • arranged on a coupling element of the nacelle deflection roller can be used to transport the components of the device.
  • a pilot rope is transported from the arranged at the bottom of the wind turbine platform to the ship, for example, by throwing, shooting or the like, the mounting part fed and firmly connected to the wind turbine platform.
  • this control can be constructed as cable as well as radio based.
  • Mounting part remains on the ship.
  • the ship is thus from the inspection process independent and can perform other tasks. After the inspection, the removal of the inspection equipment takes place in the reverse order.
  • the inspection platform or the device according to the invention can be used both for automated and for manual inspection purposes.
  • the entire device has a modular design to allow easy installation and
  • Self-protected is also a wind turbine with a previously protected
  • Figure 1 a section of a side view of a wind turbine with an embodiment of a arranged thereon
  • FIG. 2 shows the wind power plant according to FIG. 1 in a cross-sectional representation in the region in the device according to the invention
  • Figures 3 to 5 different ways of fixing a inventive Device in the foot area of a wind turbine
  • Figure 6 an embodiment of a possible shipment of the individual parts of a device according to the invention to a bottom construction of an offshore wind turbine and
  • Figure 7 another way of shipment of the items of a
  • FIG. 1 an embodiment of a device according to the invention is already mounted on a wind turbine 1.
  • the wind turbine 1 consists essentially of a tower 2 with an attached gondola 8, on which by means of a hub 16 rotor blades 15 are arranged.
  • the device according to the invention has an inspection platform 3, which in the present exemplary embodiment is designed as an open ring 11, which is constructed from five individual modules 4.
  • the individual modules 4 are about
  • Joints 17 pivotally connected to each other, so that the open ring 11 can adapt to the diameter of the tower 2 in the process on the tower 2 of the wind turbine 1.
  • the inspection platform 3 of the device according to the invention is always on their rolling elements 5 in contact with the tower 2 of the wind turbine, which is
  • Inspection platform 3 braced by three ropes 6 on the tower 2 of the wind turbine 1.
  • the three ropes 6 on the one hand with the inspection platform 3 via
  • the coupling elements 12 on the nacelle 8 are arranged such that they are arranged offset by 120 ° to the tower 2 of the wind turbine, wherein a hinge element 12 is disposed in the region of a hub 16 of the nacelle 8.
  • the articulation elements 13 are preferably likewise offset by 120 ° at the foot 9 or in the lower region of the tower.
  • Wind turbine 1 is. Due to the special arrangement of the articulation elements 12 on the nacelle 8 and the articulation elements 13 on the foot 9 and the attachment points 18 on the inspection platform 3 always acts a sufficient force from the inspection platform 3 on the surface of the tower 2, so that the contact of the rolling elements. 5 Inspection platform 3 is always guaranteed even in adverse environmental conditions, such as stormy weather.
  • the inspection platform 3 of the device according to the invention can be moved vertically on the tower 2 of the wind turbine 1, the cable guides 7 of the individual ropes 6 each have a separate cable drive 10.
  • the respective cable drive 10 is the
  • Anschettin 13 assigned to the foot 9 of the tower and designed as a continuous cable drive.
  • the coupling elements 12 of the nacelle 8 are preferably as
  • Deflection rollers 26 are formed so that the ropes 6 can be moved by the drives 10 and thus the inventive device or the
  • Inspection platform 3 vertically on tower 2 of the wind turbine can be moved. So that not only the tower 2 of the wind turbine 1 can be inspected and maintained, it is provided in the present embodiment that in the central region of the open ring 11 of the inspection platform 3, a boom 14 is mounted, through which an inspection of the individual rotor blades 15 of the wind turbine 1 is made possible , For inspection of a rotor blade 15, this must with its longitudinal axis in
  • the inspection platform 3 can now be moved vertically on the tower 2 so that the boom over the entire length of a rotor blade 15 is moved with.
  • the inspection of the rotor blades 15 and the tower 2 can be done manually, for example by visual inspection, by an inspector.
  • Such measuring systems may be cameras not shown here for optical surface inspection or non-contact measuring methods, such as active or passive thermal imagers, X-ray machines or
  • measuring methods for defect detection and localization can be used. These can be, for example, structure-borne sound, magnetic flux or eddy current-based measuring systems.
  • the measuring systems for rotor blade inspection exclusively use measuring methods for non-metallic materials, since the rotor blades are usually made of a composite material.
  • the entire electrical supply of the inspection platform 3 and the jib 14 takes place via cable either via the gondola 8 (topside) or from the ground at the foot 9 of the tower 2 (groundside).
  • Control and measurement signals in particular wireless, but can also
  • the entire inspection platform 3 is held flexibly at a distance from the rotor blade via the rolling elements 5.
  • the rolling elements 5 can be used as wheels or Rollers with adjustable distance to module 4 are designed to stand up
  • FIGS. 3 to 5 illustrate various fastening systems on the foot 9 of the tower 2 of the wind power plant 1. While in FIG.
  • Cable drives 10 are attached to a floor construction 20 such as a grid web at the foot 9 of the tower 2, an attachment of the articulation elements 13 in the foot 9 of the tower 2 of the wind turbine to a large mass 29 is provided in Figure 3, which are used as basis weight and support can.
  • This can be, for example, a temporarily fillable water tank.
  • Such mass designs are used essentially when no vertical holding forces can be built on the tower 2.
  • FIG. 4 shows an embodiment in the area of the foot 9 of the tower 2 of the wind power plant, with which vertical holding forces can be built up.
  • Such constructions are often used when no bottom structure 20 to which the ropes 6 and associated articulation elements 13 and cable drives 10 at the foot 9 of the tower 2 can be fixed. This is usually a lightweight
  • Base ring placed around the tower 2 as a fixed support. This can then be carried out, for example, as a pneumatic sleeve 19, which is inflated on site. Also, this support can be implemented as a lightweight, flexible metal construction.
  • the non-positive contact pressure on the tower 2 can take place, among other things, mechanically, pneumatically or hydraulically.
  • FIGS. 6 and 7 show various possibilities how the entire equipment of the device according to the invention can be brought, for example, to an offshore wind power plant 1.
  • the entire equipment on the device according to the invention with a ship 22 or a similar
  • one of the articulation elements 12 or a local deflection roller 26 in the area of the nacelle 8 of the wind turbine 1 used to the individual components of the device according to the invention, consisting of the individual mutually detached modules 4 and other items such as the
  • Tracking the mounting member 23 and the pilot cable 24 can be compensated.
  • Wind turbine 1 and the mounting part 23 on the ship 22 remains.
  • the ship 22 is thus independent of the inspection process and can perform other tasks.
  • the items are assembled, among other things, from the individual modules 4 and the boom 14 to the device according to the invention, so that they can be moved to the tower 2 for inspection of the tower 2 and / or the rotor blades 15.

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

Abstract

L'invention concerne un dispositif permettant l'inspection d'une éolienne (1). Ce dispositif est pourvu d'une plateforme d'inspection (3) mobile verticalement le long d'un pylône (2) d'une éolienne (1), la plateforme d'inspection (3) étant constituée d'au moins deux modules (4) reliés ensemble de manière pivotante et chaque module (4) comprenant au moins un élément de roulement (5), lequel roule sur le pylône (2) de l'éolienne (1) lorsque le dispositif se déplace verticalement, et la plateforme d'inspection (3) étant mobile au moyen de câbles (6) fixés sur elle par des éléments de fixation (18). Ces câbles sont reliés à la nacelle (8) de l'éolienne (1) au moyen d'un guide-câble (7), respectivement un entraînement de câble (10) séparé étant associé aux câbles (6) par l'intermédiaire desquels la plateforme d'inspection (3) est mobile le long du pylône (2) de l'éolienne (1).
PCT/DE2014/100248 2013-07-11 2014-07-11 Dispositif permettant l'inspection d'une éolienne WO2015003694A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013107374.3A DE102013107374A1 (de) 2013-07-11 2013-07-11 Vorrichtung zur Inspektion einer Windkraftanlage
DE102013107374.3 2013-07-11

Publications (1)

Publication Number Publication Date
WO2015003694A1 true WO2015003694A1 (fr) 2015-01-15

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ID=51357688

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/100248 WO2015003694A1 (fr) 2013-07-11 2014-07-11 Dispositif permettant l'inspection d'une éolienne

Country Status (2)

Country Link
DE (1) DE102013107374A1 (fr)
WO (1) WO2015003694A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111279073A (zh) * 2017-11-03 2020-06-12 菱重维斯塔斯海上风力有限公司 对风力涡轮机部件执行维护的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL412877A1 (pl) * 2015-06-26 2017-01-02 Politechnika Śląska Sposób i system diagnozowania elementów strukturalnych farmy wiatrowej
EP3653873A1 (fr) 2018-11-16 2020-05-20 Siemens Gamesa Renewable Energy A/S Procédé de déplacement d'un objet entre une plate-forme d'une éolienne et un pont d'un navire et structure de cadre utilisée pour l'accouplement d'un moyen de traction

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4339638A1 (de) * 1993-11-20 1995-05-24 Jan Luttuschka Befahranlage für Außenwände von Bauwerken mit annähernd kreisförmigem, elliptischem bzw. vieleckigem Querschnitt aus Stahl, Stahlbeton oder anderen festen Stoffen, insbesondere für Windkraftanlagen mit nicht vertikaler Drehachse des Rotors
NL1019943C2 (nl) * 2002-02-11 2003-08-13 Ngup Holding B V Stellage voor het uitvoeren van werkzaamheden aan windmolens.
WO2004022970A1 (fr) * 2002-09-04 2004-03-18 Pp Energy Aps Procede et dispositif de levage et/ou d'abaissement d'objets en liaison avec une turbine eolienne ou equivalent et leurs utilisations
EP1516846A2 (fr) 2003-09-19 2005-03-23 PERI, S.A. Sociedad Unipersonal Ascenseur pour transporter des personnes le long d'un mât d'une éolienne
US20110138937A1 (en) * 2010-06-25 2011-06-16 General Electric Company System and method for wind turbine inspection

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Publication number Priority date Publication date Assignee Title
DE19726408C1 (de) * 1997-06-21 1999-03-18 Gerhard Reineke Schlosserei Un Arbeitsbühne
CN102275071B (zh) * 2010-06-09 2013-02-20 华锐风电科技(集团)股份有限公司 风电机组多功能平台及叶片拆卸方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4339638A1 (de) * 1993-11-20 1995-05-24 Jan Luttuschka Befahranlage für Außenwände von Bauwerken mit annähernd kreisförmigem, elliptischem bzw. vieleckigem Querschnitt aus Stahl, Stahlbeton oder anderen festen Stoffen, insbesondere für Windkraftanlagen mit nicht vertikaler Drehachse des Rotors
NL1019943C2 (nl) * 2002-02-11 2003-08-13 Ngup Holding B V Stellage voor het uitvoeren van werkzaamheden aan windmolens.
WO2004022970A1 (fr) * 2002-09-04 2004-03-18 Pp Energy Aps Procede et dispositif de levage et/ou d'abaissement d'objets en liaison avec une turbine eolienne ou equivalent et leurs utilisations
EP1516846A2 (fr) 2003-09-19 2005-03-23 PERI, S.A. Sociedad Unipersonal Ascenseur pour transporter des personnes le long d'un mât d'une éolienne
US20110138937A1 (en) * 2010-06-25 2011-06-16 General Electric Company System and method for wind turbine inspection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111279073A (zh) * 2017-11-03 2020-06-12 菱重维斯塔斯海上风力有限公司 对风力涡轮机部件执行维护的方法
CN111279073B (zh) * 2017-11-03 2022-03-11 维斯塔斯风力系统有限公司 对风力涡轮机部件执行维护的方法
US11549494B2 (en) 2017-11-03 2023-01-10 Vestas Wind Systems A/S Method for performing maintenance on a wind turbine part

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