WO2006061806A2 - Packing devices for transport of wind rotor blades - Google Patents

Packing devices for transport of wind rotor blades Download PDF

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Publication number
WO2006061806A2
WO2006061806A2 PCT/IB2005/054164 IB2005054164W WO2006061806A2 WO 2006061806 A2 WO2006061806 A2 WO 2006061806A2 IB 2005054164 W IB2005054164 W IB 2005054164W WO 2006061806 A2 WO2006061806 A2 WO 2006061806A2
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WO
WIPO (PCT)
Prior art keywords
blades
structures
logistics
wind turbine
devices
Prior art date
Application number
PCT/IB2005/054164
Other languages
French (fr)
Other versions
WO2006061806A8 (en
WO2006061806A3 (en
Inventor
Bento Massahiko Koike
Original Assignee
Tecsis Tecnologia E Sistemas Avançados Ltda
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 Tecsis Tecnologia E Sistemas Avançados Ltda filed Critical Tecsis Tecnologia E Sistemas Avançados Ltda
Priority to US11/721,324 priority Critical patent/US8313272B2/en
Priority to DK05809127T priority patent/DK1836389T3/en
Priority to EP05809127A priority patent/EP1836389B8/en
Priority to DE602005009578T priority patent/DE602005009578D1/en
Publication of WO2006061806A2 publication Critical patent/WO2006061806A2/en
Publication of WO2006061806A3 publication Critical patent/WO2006061806A3/en
Publication of WO2006061806A8 publication Critical patent/WO2006061806A8/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • H01M8/0252—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form tubular
    • 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
    • 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
    • F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/6802—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles
    • B65D2585/6897—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles others
    • 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
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/302—Segmented or sectional blades
    • 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
    • F05B2260/02—Transport, e.g. specific adaptations or devices for conveyance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to packing elements specially adapted for rotor blades, in particular wind turbine rotor blades, in order to guarantee the integrity of the blades, more particularly of the blade tip.
  • the wind energy is generated by large wind generators comprising a vertical structure on whose top is placed at least one horizontal axis wind turbine, which can be composed by one, two, three or multiple blades.
  • International Publication no WO02083523A1 relates to a transportation method and a package system for transporting a set of large longitudinal items such as blades for wind turbine or a tower for a wind turbine.
  • a tip of one blade and a root of a second blade are packed together
  • WO03076307A1 provides large containers demanding larger rooms in the final configuration of the modules. Besides, using closed side-walls in the support structure increases the total cost for the logistics due to the quantity of material and tools needed to the package manufacture and also due to the higher weight of the set of packing devices.
  • the set must provide a support structure compatible with standard equipments such as trucks and cranes and must allow the transportation of loads bigger than, for example, the truck.
  • the object of the present invention is to provide a simplified packing device for handling, transporting and storing wind turbine rotor blades that, besides reducing transport costs, allows the logistics of groups of wind turbine rotor blade, preferably pairs of blades, without harming the blades integrity, in particular the blade tip.
  • Another object of the present invention is to provide a set of packing structures, for storing and supporting wind turbine rotor blades, that reduces the final costs of blades transportation, storing and handling, by compacting and associating of one or more blades in only one set of structures, preferably being said set of packing structures with rectangular cross-section which propitiates better accommodation and stacking.
  • Another object of the present invention is to provide a set of packing structures, for handling, transporting and storing wind turbine rotor blades, that permits a faster delivery of said blades.
  • Another object of the present invention is to provide a set of packing structures, for handling, transporting and storing wind generator blades, that complies with commercial and international technical norms.
  • the present invention consists of a packing device for logistics, which may include steps such as handling, transporting and storing, of groups of wind turbine rotor blades, preferably of pairs of blades.
  • the packing device for logistics of wind turbine rotor blades includes at least two structures, each one having a peripheral frame. Preferably, said structures may be connected by a middle structure provided with handling points positioned in such a manner to enable the use of standard transportation equipment.
  • anchor arms being preferably at least one of said anchor arms fixed and the others anchor arms removable or rotatable on peripheral frame.
  • anchor arms being preferably at least one of said anchor arms fixed and the others anchor arms removable or rotatable on peripheral frame.
  • they are supported and fastened to the structures by flexible belts stressed by ratchets, being said blade profile partially or entirely enveloped by said flexible belts.
  • upper guides and under guides are disposed on the peripheral frame; being the shapes of said upper guides complementary to the shape of said under guides and being under guides of a set of packing structures of a first group of blades matched to upper guides of a set of packing structures of another group of blades facilitating the stowage operation.
  • the device for logistics of groups of wind turbine rotor blades may include tip protection cover, blades fastening device, such as belts, ropes or chains, and protecting devices on areas of contact between the blades to prevent friction.
  • the present invention is especially advantageous because the described device is conveniently adjusted for standard transportation, such as trucks and ships, and handling, such as cranes.
  • Such advantage is due to the minimization of the vibration on the blade tip by the tip protection cover and by the fixation to the root of the other blade by the blades fastening device, dispensing the use of an additional wagon for support the entire group of blades. Therefore, a smaller truck may be adopted, being the tip and root connected by the described tip protection cover, blades fastening device and protecting devices on areas of contact between the two blades, and in swing outside the truck rear, however completely safe and protected.
  • Figure 1 - shows a lateral view of conventional wind turbine rotor blades as known from the background art.
  • Figure 2 - shows a perspective view of conventional wind turbine rotor blades as known from the background art.
  • Figure 3 - shows conventional transportation packing of wind turbine rotor blades as known from the background art.
  • Figure 4 - shows detail 'A' from Figure 3.
  • Figure 5 - shows a frontal view of the packing structure for logistics.
  • Figure 6 - shows a lateral view of the packing structure for logistics without tensioning devices.
  • Figure 7 - shows a frontal view of the packing structure for logistics and the mortise of two blades.
  • Figure 8 - shows a frontal view of an alternative packing structure for logistics and the mortise of two blades.
  • Figure 9 - shows a lateral view of the packing structure for logistics with middle structure without tensioning devices.
  • Figure 10 - shows a top view of the packing structure for logistics with middle structure without tensioning belts.
  • Figure 11 - shows a top view of the packing structure for logistics with middle structure and with tensioning belts.
  • the present invention consists of a packing device for logistics, which may include steps such as handling, transporting and storing, of groups of wind turbine rotor blades (1), preferably of pairs of wind turbine rotor blades (1).
  • the packing device for logistics of wind turbine rotor blades (1) comprises at least two structures (2), each one having one peripheral frame (4), as shown in Figures 5, 7 and 8. In Figure 7 it is shown the mortise of two blades to the structure and in Figure 8 it is shown the mortise of two blades to an alternative structure according to another embodiment of the present invention.
  • anchor arms (5) and (6) In the inner part of the structure (2) is a set of anchor arms (5) and (6), being preferably at least one of said anchor arms (5) fixed and the others anchor arms (6) removable or rotatable on peripheral frame (4), as shown in Figures 5, 7 and 8.
  • the number and the geometry of anchor arms (5) and (6) are determined according to the blades (1) geometry and according to the needed resistance to assure the blades (1) integrity and complying with international transportation regulations.
  • each frame (4) To the inner part of each frame (4) are attached the tips of the flexible belts (7) and
  • the flexible belts (7) and (8) can be attached either to the frame (4) or to the anchor arms (5) and (6). Additionally, the flexible belts (7) and (8) envelop the blades (1) profile partially or entirely, supporting the weight and guaranteeing the immobilization.
  • the configuration with flexible belts (7) and (8) envelop the blades (1) profile partially is illustrated in Figure 7, and alternatively the configuration with flexible belts (7) and (8) envelop the blades (1) profile entirely is illustrated in Figure 8.
  • the flexible belts (7) and (8) can also be used for individual handling of the blades.
  • the flexible belts (7) and (8) are stressed by ratchets (9) which allow the proper control of the force applied to the blades (1) by said flexible belts (7) and (8).
  • the composition used for manufacturing such flexible belts (7) and (8) can be textile or another one with the proper elasticity.
  • the arrangement and fixation of the rotors blades (1) are accomplished by the introduction of both the structures (2) around a group of adjacent, longitudinally aligned blades (1) being said group of blades (1) preferably a pair of oppositely placed blades, as illustrated in Figures 6, 9, 10 and 11, with the tip of one blade beside the root of the other.
  • a middle structure (10) can be placed, being said middle structure (10), preferably fixed to the structures (2).
  • the middle structure (10) connects the structures (2), allowing the support of the blades (1) on the gravity center and providing proper handling points (11) for the use of standard transportation equipments, as illustrated in Figures 9 and 10.
  • conventional cranes such as the ones found in ports, can be used to handle the pair of blades (1).
  • protecting devices (12) for example, of fiber glass, that prevent the friction between the blades (1).
  • said protecting devices (12) may consist on inflatable elements disposed in such a way to provide the proper fixation and protection to the blades (1) during handling, transporting and storing.
  • the proper blade (1) fixation may be achieved by using tip protection cover (13), enveloping the entire blade (1) tip, for example, of fiber glass or another polymer; blades fastening device (14), such as belts, ropes or chains; and protecting devices (12) on areas of contact between the two blades, as illustrated in Figure 11.
  • the tensioning devices (14) induce a light deformation of the arched blade (1) tip, using the flexibility of the blade (1) tip to improve the fixation.
  • protecting devices (12) for example, of fiber glass, that prevent the friction between the blades (1).
  • said protecting devices (12) may consist on inflatable elements disposed in such a way to provide the proper fixation and protection to the blades (1) during handling, transporting and storing.
  • the set of structures for handling, transporting and storing disclosed can be reproduced in any kind of industry that is equipped with the proper technology for producing strong and reliable frame structures and also the proper technology for producing belts, ropes or chains, and protecting devices that maintain the desired position of the blades without causing any damage to the blades, both associated to technologies of wind turbine rotor blades.

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  • 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)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Wind Motors (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Ship Loading And Unloading (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Basic Packing Technique (AREA)

Abstract

The present invention consists of a packing device for logistics of groups of wind turbine rotor blades, preferably of pairs of blades, including at least two structures (2), each one having a peripheral frame (4). For guaranteeing the proper conditions for the logistics, said blades are supported and fastened to the structures by flexible belts (7,8) stressed by ratchets, being said blade profile partially or entirely enveloped by said flexible belts. And alternatively, the device for logistics of groups of wind turbine rotor blades may include tip protection cover (13), blades fastening device (14), such as belts, ropes or chains, and protecting devices (12) on areas of contact between the blades to prevent the friction.

Description

Description
DEVICES FOR LOGISTICS OF WIND ROTOR BLADES
Technical Field
[1] The present invention relates to packing elements specially adapted for rotor blades, in particular wind turbine rotor blades, in order to guarantee the integrity of the blades, more particularly of the blade tip.
Background Art
[2] The production of electricity by wind energy has been considered as one of the technological alternatives in faster development in the world.
[3] As operational cost falls and environment-related concerns grow, more and more countries are choosing non-pollutant, renewable power plants.
[4] The wind energy, in particular, is generated by large wind generators comprising a vertical structure on whose top is placed at least one horizontal axis wind turbine, which can be composed by one, two, three or multiple blades.
[5] Currently, there is an increasing world-wide trend of installing this type of power plant by governmental programs. This way, organizations, industry and service companies assume each time more interest in the wind energy as an attractive investment as well as a solution for the energy issues in the future.
[6] However, the wind turbine rotor blades have large dimensions and peculiar geometry, demanding special conditions for logistics, which may include steps such as handling, transporting and storing said blades. Furthermore, those conditions must provide protection and costs reduction besides complying with international transportation regulations.
[7] In the background art, there are many devices developed aiming at satisfactorily solving the mentioned problems of the wind turbine rotor blades logistics viability due to their singular geometry.
[8] For example, International Publication no WO02083523A1 relates to a transportation method and a package system for transporting a set of large longitudinal items such as blades for wind turbine or a tower for a wind turbine. When transporting wind turbine blades, a tip of one blade and a root of a second blade are packed together
[9] The International Publication no WO03076307A1 describes a modular extendable container system for transporting wind turbine rotor blades, being the root portion of each blade connected to a respective outer most end portion of the container or, alternatively, a single blade accommodated. Disclosure of Invention
Technical Problem [10] However the solutions provided by the cited documents and others in the prior art do not solve suitably and efficiently many problems in the technical field of packing elements specially adapted for rotor blades, in particular wind turbine rotor blades, for logistics, including handling, transporting and storing.
[11] For instance, the devices described in documents WO02083523A1 and
WO03076307A1 provides large containers demanding larger rooms in the final configuration of the modules. Besides, using closed side-walls in the support structure increases the total cost for the logistics due to the quantity of material and tools needed to the package manufacture and also due to the higher weight of the set of packing devices.
[12] Therefore, there is still the seek for a set of packing devices specially adapted for rotor blades for logistics, including handling, transporting and storing, which propitiates a set of structures with reduced dimensions, weight and cost, associating the important features of flexibility and the integrity of the blades.
[13] Furthermore, the set must provide a support structure compatible with standard equipments such as trucks and cranes and must allow the transportation of loads bigger than, for example, the truck.
Technical Solution
[14] The object of the present invention is to provide a simplified packing device for handling, transporting and storing wind turbine rotor blades that, besides reducing transport costs, allows the logistics of groups of wind turbine rotor blade, preferably pairs of blades, without harming the blades integrity, in particular the blade tip.
[15] Another object of the present invention is to provide a set of packing structures, for storing and supporting wind turbine rotor blades, that reduces the final costs of blades transportation, storing and handling, by compacting and associating of one or more blades in only one set of structures, preferably being said set of packing structures with rectangular cross-section which propitiates better accommodation and stacking.
[16] Another object of the present invention is to provide a set of packing structures, for handling, transporting and storing wind turbine rotor blades, that permits a faster delivery of said blades.
[17] Furthermore, another object of the present invention is to provide a set of packing structures, for handling, transporting and storing wind generator blades, that complies with commercial and international technical norms.
[18] To achieve those cited objects and other purposes, the present invention consists of a packing device for logistics, which may include steps such as handling, transporting and storing, of groups of wind turbine rotor blades, preferably of pairs of blades. The packing device for logistics of wind turbine rotor blades includes at least two structures, each one having a peripheral frame. Preferably, said structures may be connected by a middle structure provided with handling points positioned in such a manner to enable the use of standard transportation equipment.
[19] Furthermore, in the inner part of the structure is a set of anchor arms, being preferably at least one of said anchor arms fixed and the others anchor arms removable or rotatable on peripheral frame. For guaranteeing the proper conditions for logistics of said blades, they are supported and fastened to the structures by flexible belts stressed by ratchets, being said blade profile partially or entirely enveloped by said flexible belts.
[20] Additionally, on the peripheral frame are disposed upper guides and under guides; being the shapes of said upper guides complementary to the shape of said under guides and being under guides of a set of packing structures of a first group of blades matched to upper guides of a set of packing structures of another group of blades facilitating the stowage operation.
[21] Alternatively, the device for logistics of groups of wind turbine rotor blades, preferably pairs of blades, may include tip protection cover, blades fastening device, such as belts, ropes or chains, and protecting devices on areas of contact between the blades to prevent friction.
Advantageous Effects
[22] The use of a tip protection cover and a blades fastening device, such as belts, ropes or chains, involving both blades, besides guaranteeing the integrity, results in a better fixation of the blades, minimizing vibration on the blade tip.
[23] Additionally, the protection provided on the areas of contact between the two blades prevents the friction between them during handling or transporting.
[24] The present invention is especially advantageous because the described device is conveniently adjusted for standard transportation, such as trucks and ships, and handling, such as cranes. Such advantage is due to the minimization of the vibration on the blade tip by the tip protection cover and by the fixation to the root of the other blade by the blades fastening device, dispensing the use of an additional wagon for support the entire group of blades. Therefore, a smaller truck may be adopted, being the tip and root connected by the described tip protection cover, blades fastening device and protecting devices on areas of contact between the two blades, and in swing outside the truck rear, however completely safe and protected.
Description of Drawings
[25] The object of the invention becomes perfectly understood in the following description with references to the indicative numerals in accompanying drawings, evidencing its main characteristics, as follows:
[26] Figure 1 - shows a lateral view of conventional wind turbine rotor blades as known from the background art.
[27] Figure 2 - shows a perspective view of conventional wind turbine rotor blades as known from the background art.
[28] Figure 3 - shows conventional transportation packing of wind turbine rotor blades as known from the background art.
[29] Figure 4 - shows detail 'A' from Figure 3.
[30] Figure 5 - shows a frontal view of the packing structure for logistics.
[31] Figure 6 - shows a lateral view of the packing structure for logistics without tensioning devices.
[32] Figure 7 - shows a frontal view of the packing structure for logistics and the mortise of two blades.
[33] Figure 8 - shows a frontal view of an alternative packing structure for logistics and the mortise of two blades.
[34] Figure 9 - shows a lateral view of the packing structure for logistics with middle structure without tensioning devices.
[35] Figure 10 - shows a top view of the packing structure for logistics with middle structure without tensioning belts.
[36] Figure 11 - shows a top view of the packing structure for logistics with middle structure and with tensioning belts.
Mode for Invention
[37] According to cited illustrations the singular dimension and geometry of a conventional wind turbine rotor blade (1) are represented in Figures 1 and 2, showing the need for special conditions for handling, transporting and storing as exemplified in Figure 3 by a configuration known from the background art. This configuration complies with the international requirements for land or sea transportation, however accommodating only one blade (1). Additionally, in Figure 4 an amplification of detail A is represented, emphasizing the use of a fixed and rigid structure (2) for supporting the blade (1) and fastening belts (3) weight.
[38] The present invention consists of a packing device for logistics, which may include steps such as handling, transporting and storing, of groups of wind turbine rotor blades (1), preferably of pairs of wind turbine rotor blades (1). The packing device for logistics of wind turbine rotor blades (1) comprises at least two structures (2), each one having one peripheral frame (4), as shown in Figures 5, 7 and 8. In Figure 7 it is shown the mortise of two blades to the structure and in Figure 8 it is shown the mortise of two blades to an alternative structure according to another embodiment of the present invention.
[39] In the inner part of the structure (2) is a set of anchor arms (5) and (6), being preferably at least one of said anchor arms (5) fixed and the others anchor arms (6) removable or rotatable on peripheral frame (4), as shown in Figures 5, 7 and 8. The number and the geometry of anchor arms (5) and (6) are determined according to the blades (1) geometry and according to the needed resistance to assure the blades (1) integrity and complying with international transportation regulations.
[40] To the inner part of each frame (4) are attached the tips of the flexible belts (7) and
(8) to at least two different points of the structure (2). The flexible belts (7) and (8) can be attached either to the frame (4) or to the anchor arms (5) and (6). Additionally, the flexible belts (7) and (8) envelop the blades (1) profile partially or entirely, supporting the weight and guaranteeing the immobilization.
[41] The configuration with flexible belts (7) and (8) envelop the blades (1) profile partially is illustrated in Figure 7, and alternatively the configuration with flexible belts (7) and (8) envelop the blades (1) profile entirely is illustrated in Figure 8. In the configuration with flexible belts (7) and (8) enveloping the blades (1) profile entirely, the flexible belts (7) and (8) can also be used for individual handling of the blades. The flexible belts (7) and (8) are stressed by ratchets (9) which allow the proper control of the force applied to the blades (1) by said flexible belts (7) and (8). The composition used for manufacturing such flexible belts (7) and (8) can be textile or another one with the proper elasticity.
[42] Furthermore, according to the described constructive form of the structures (2), the arrangement and fixation of the rotors blades (1) are accomplished by the introduction of both the structures (2) around a group of adjacent, longitudinally aligned blades (1) being said group of blades (1) preferably a pair of oppositely placed blades, as illustrated in Figures 6, 9, 10 and 11, with the tip of one blade beside the root of the other.
[43] Between the structures (2) a middle structure (10) can be placed, being said middle structure (10), preferably fixed to the structures (2). The middle structure (10) connects the structures (2), allowing the support of the blades (1) on the gravity center and providing proper handling points (11) for the use of standard transportation equipments, as illustrated in Figures 9 and 10. In this configuration, for example, conventional cranes, such as the ones found in ports, can be used to handle the pair of blades (1). Additionally, on areas where can be contact between the two blades, are placed protecting devices (12), for example, of fiber glass, that prevent the friction between the blades (1). Alternatively, said protecting devices (12) may consist on inflatable elements disposed in such a way to provide the proper fixation and protection to the blades (1) during handling, transporting and storing.
[44] Alternatively, the proper blade (1) fixation may be achieved by using tip protection cover (13), enveloping the entire blade (1) tip, for example, of fiber glass or another polymer; blades fastening device (14), such as belts, ropes or chains; and protecting devices (12) on areas of contact between the two blades, as illustrated in Figure 11. The tensioning devices (14) induce a light deformation of the arched blade (1) tip, using the flexibility of the blade (1) tip to improve the fixation.
[45] Furthermore, on areas, where can be contact between the two blades, are placed protecting devices (12), for example, of fiber glass, that prevent the friction between the blades (1). Alternatively, said protecting devices (12) may consist on inflatable elements disposed in such a way to provide the proper fixation and protection to the blades (1) during handling, transporting and storing.
[46] On the borders of the structures (2) are placed upper guides (15) and under guides
(16), being the shapes of said upper guides (15) complementary to the shape of said under guides (16), as illustrated in Figures 5, 7 and 8, and being under guides (16) of a set of structures (2) of a first group of blades (1) matched to upper guides (15) of a set of structures (2) of another group of blades (1) facilitating the stowage operation. During the operation of stacking the structures (2), the under guides (16) slid on the upper guides (15), facilitating the overlapping of structures.
Industrial Applicability
[47] The set of structures for handling, transporting and storing disclosed can be reproduced in any kind of industry that is equipped with the proper technology for producing strong and reliable frame structures and also the proper technology for producing belts, ropes or chains, and protecting devices that maintain the desired position of the blades without causing any damage to the blades, both associated to technologies of wind turbine rotor blades.

Claims

Claims
[1] 01. Devices for logistics of pairs of wind turbine rotor blades , including at least two structures (2), each one having a peripheral frame (4), characterized in that in the inner part of the structure (2) is a set of anchor arms (5) and (6), being at least one of said anchor arms (5) fixed and the others anchor arms (6) removable or rotatable on peripheral frame (4).
[2] 02. Devices for logistics of pairs of wind turbine rotor blades , including at least two structures (2), each one having a peripheral frame (4), characterized in that the blade (1) is supported and fastened to the structures (2) by flexible belts (7) and ( 8), being said blade (1) profile partially enveloped by said flexible belts (7) and ( 8).
[3] 03. Devices for logistics of pairs of wind turbine rotor blades , including at least two structures (2), each one having a peripheral frame (4), characterized in that the blade (1) is supported and fastened to the structures (2) by flexible belts (7) and ( 8), being said blade (1) profile entirely enveloped by said flexible belts (7) and ( 8).
[4] 04. Devices for logistics of pairs of wind turbine rotor blades , including at least two structures (2), each one having a peripheral frame (4), according to claims 02 and 03, characterized in that the flexible belts (7) and (8) are stressed by ratchets (9).
[5] 05. Devices for logistics of pairs of wind turbine rotor blades , including at least two structures (2), each one having a peripheral frame (4), characterized in that the structures (2) are connected by a middle structure (10) with handling points (11) positioned in such a manner to enable the use of standard transportation equipment.
[6] 06. Devices for logistics of pairs of wind turbine rotor blades , including at least two structures (2), each one having a peripheral frame (4), characterized in that upper guides (15) and under guides (16) are on the borders of the structures (2); being the shapes of said upper guides (15) complementary to the shape of said under guides (16) and being under guides (16) of a set of structures (2) of a first group of blades (1) matched to upper guides (15) of a set of structures (2) of another group of blades (1).
[7] 07. Devices for logistics of pairs of wind turbine rotor blades , including at least two structures (2), each one having a peripheral frame (4), characterized by tip protection cover (13), blades fastening device (14), such as belts, ropes or chains, and protecting devices (12) on areas of contact between the two blades.
[8] 08. Devices for logistics of pairs of wind turbine rotor blades , according to claim 07, characterized by said tip protection cover (13), being composed by inflatable material. [9] 09. Devices for logistics of pairs of wind turbine rotor blades , according to claim
07, characterized by said tip protection cover (13), being composed by polymer. [10] 10. Devices for logistics of pairs of wind turbine rotor blades , according to claim
07, characterized by said protecting devices (12) on areas of contact between the two blades, being composed by inflatable material. [11] 11. Devices for logistics of pairs of wind turbine rotor blades , according to claim
07, characterized by said protecting devices (12) on areas of contact between the two blades, being composed by polymer.
PCT/IB2005/054164 2004-12-10 2005-12-09 Packing devices for transport of wind rotor blades WO2006061806A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US11/721,324 US8313272B2 (en) 2004-12-10 2005-12-09 Devices for logistics of wind rotor blades
DK05809127T DK1836389T3 (en) 2004-12-10 2005-12-09 Packaging device for transporting wind turbine blades
EP05809127A EP1836389B8 (en) 2004-12-10 2005-12-09 Packing devices for transport of wind rotor blades
DE602005009578T DE602005009578D1 (en) 2004-12-10 2005-12-09 PACKING DEVICES FOR TRANSPORTING WINDROTOR BUCKLES

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BRC10405546A BRPI0405546F1 (en) 2004-12-10 2004-12-10 joint development of structures for handling, transporting and storing blades for wind turbine rotors
BRPI0405546-2 2004-12-10
BRC10405546-2 2005-07-08

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WO2006061806A2 true WO2006061806A2 (en) 2006-06-15
WO2006061806A3 WO2006061806A3 (en) 2006-11-02
WO2006061806A8 WO2006061806A8 (en) 2007-03-08

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EP (1) EP1836389B8 (en)
CN (1) CN100540887C (en)
AT (1) ATE407291T1 (en)
BR (1) BRPI0405546F1 (en)
DE (1) DE602005009578D1 (en)
DK (1) DK1836389T3 (en)
ES (1) ES2313438T3 (en)
WO (1) WO2006061806A2 (en)

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Also Published As

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WO2006061806A8 (en) 2007-03-08
BRPI0405546F1 (en) 2016-03-22
BRPI0405546C1 (en) 2008-09-09
US20090020445A1 (en) 2009-01-22
WO2006061806A3 (en) 2006-11-02
DE602005009578D1 (en) 2008-10-16
BRPI0405546A (en) 2006-09-05
US8313272B2 (en) 2012-11-20
DK1836389T3 (en) 2008-11-17
CN101076664A (en) 2007-11-21
EP1836389B8 (en) 2008-11-05
EP1836389A2 (en) 2007-09-26
ES2313438T3 (en) 2009-03-01
EP1836389B1 (en) 2008-09-03
BRPI0405546B1 (en) 2015-09-29
ATE407291T1 (en) 2008-09-15
CN100540887C (en) 2009-09-16

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