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EP2294315A2 - Installation d'énergie éolienne possédant plusieurs segments de construction - Google Patents

Installation d'énergie éolienne possédant plusieurs segments de construction

Info

Publication number
EP2294315A2
EP2294315A2 EP09729039A EP09729039A EP2294315A2 EP 2294315 A2 EP2294315 A2 EP 2294315A2 EP 09729039 A EP09729039 A EP 09729039A EP 09729039 A EP09729039 A EP 09729039A EP 2294315 A2 EP2294315 A2 EP 2294315A2
Authority
EP
European Patent Office
Prior art keywords
identifier
fastener
tightening
fastening means
test
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.)
Withdrawn
Application number
EP09729039A
Other languages
German (de)
English (en)
Inventor
Frank Knoop
Guido Trauernicht
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
Individual
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 Individual filed Critical Individual
Publication of EP2294315A2 publication Critical patent/EP2294315A2/fr
Withdrawn legal-status Critical Current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
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type
    • B25B21/005—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type driven by a radially acting hydraulic or pneumatic piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • 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
    • F03D13/30—Commissioning, e.g. inspection, testing or final adjustment before releasing for production
    • 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
    • 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
    • F05B2240/90—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
    • 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
    • F05B2260/80—Diagnostics
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49948—Multipart cooperating fastener [e.g., bolt and nut]

Definitions

  • the present invention relates to a wind power plant having a plurality of construction sections, each having at least one connection area for connecting at least two construction sections to one another and a plurality of fastening means for fastening at least two connection areas to each other.
  • the present invention further relates to construction sections for such a wind turbine as well as a test device for testing the fastening means of such a wind turbine.
  • the present invention relates to a method for constructing a wind turbine and a method for testing the fastening means of a connecting portion of two structural sections of such a wind turbine.
  • a modern and thus large wind turbine is usually assembled on site from a variety of individual sub-elements.
  • large construction sections such as tower segments of a steel tower, rotor blades and rotor hub by means of releasable fasteners, in particular by means of screwing fastened together.
  • a steel tower of a larger wind turbine is composed of several steel tower segments.
  • To connect two steel tower segments these have in their connection area two circumferential flanges, which in turn have a plurality of holes for connection by means of screws and nuts.
  • Such a flange can have over 100 holes, so that to connect two steel tower segments corresponding to over 100 screws are used with associated nuts.
  • the two steel tower segments are placed on top of each other and arranged the screws with nuts, but usually not screwed immediately. Only in a second or further step, all screws and nuts are tightened with the desired final strength. This is usually done one screw at a time until all screws of the relevant flange are tightened. Currently, it depends on the attention of the installer on site, whether all screws were actually tightened. Because in the flange the holes and accordingly the screws evenly in position As well as size, it can easily happen that a screw is skipped or double screwed. To avoid these errors, the number of already screwed screws can be counted. However, this can not solve the problem safely, because double-tightened screws would also be counted as two screws, and conversely, if some screws were dropped at the end of tightening, other screws would be tightened twice and the skipped screws would be overlooked.
  • the invention is therefore an object of the invention to remedy the above problems as possible and in particular to provide a solution in which mistakes in connecting and attaching construction sections of a wind turbine avoided each other, or at least reduced.
  • a wind energy plant according to the preamble of claim 1 in which an identifier for each fastening means is provided to distinguish it from other fastening means.
  • the wind turbine according to the invention thus has several construction sections such as a tower foundation, tower segments, a nacelle, a rotor blade hub and rotor blades.
  • These construction sections have at least one connection area for connecting at least two construction sections to one another.
  • a connection area can, for. B. be provided with holes flange.
  • threaded rods may already be provided.
  • a combination is considered in the z. B. the tower foundation prepared with threaded rods or the like area has, on which a first tower segment is placed as a construction section with a peripheral flange as a connection region.
  • fasteners For connection and in particular for fixed fastening, several, sometimes up to 100 and more fasteners are used.
  • This can be a screw with a nut each.
  • Such a screw is guided, for example, through a common bore of two adjacent flanges and screwed by means of the nut.
  • a thread may also be provided in a flange in order to supplement or replace the nut.
  • an identifier is provided for each fastener, in the example above for each nut pair.
  • this identifier By means of this identifier, the otherwise virtually identical or at least very similar fastening means of a connection region are made distinguishable. It is advantageous to provide an identifier in such a way that all fastening devices of at least one connecting region are individualized. For example, if a connection area has 50 fasteners, they could be numbered 1-50. Sometimes, however, it may be sufficient to mark only a few, for example the directly adjacent screws for differentiation. In the example mentioned, for example, the numbers 0 to 9 could be assigned 5 times.
  • an encoded identifier can be provided.
  • an identifier comes into consideration, with which all fasteners of a wind turbine are individualized.
  • the identifier may then be composed, for example, of a serial number and information about the connection area or construction section to which it is arranged [e.g. Eg screw no. 47 in the 8th tower flange].
  • the identifier can be supplemented by a property of the fastening means such as the intended tightening torque in the case of a screw connection.
  • the identifier is attached to a connection area.
  • the identifier is thus not or not exclusively arranged on the respective fastener itself but rather at the respective location of the fastener.
  • the identifier for a variety of fasteners is thus even before installation of the wind turbine on site already in the factories in the production of the relevant construction sections attachable. The identification of the fastening means then arises only by the insertion of the fastening means at the respective point of the connecting region.
  • the identifier remains and is assigned to the newly used fastener.
  • the identifier may be attached to the nut and additionally or instead to the screw.
  • the identifier can then be arranged on the screw, for example, on the screw head or on a screw tip, that is to say on that part of the screw facing away from the screw head.
  • the attack surfaces for applying a wrench come into consideration, if the identifier of a corresponding mechanical load holds up.
  • the identifier to the fastener directly so z. B. attached to the screw or nut, this may for example be done after arranging the fastener in the respective connection areas. This makes it easy to provide each fastener in an order with an identifier that the The position of the fastener reflects.
  • the identifier can also be attached to the fastener before assembly.
  • the identifier can be read by machine.
  • an arrangement of the identifier in a particular order is not important, since an order reflecting an order can also be made thereafter, for example in a data processing system.
  • the fastening means or their points can thus be provided with any code as long as it differs from all other codes of the other fastening means.
  • the identifier can often be coded as already described.
  • the identifier is magnetic and it can be read with a corresponding reader, as is known for example from check or credit card with magnetic stripe.
  • an embodiment by means of mechanical forms or surface design is provided. It may be provided raised areas or the arrangement of shapes such as wells or surveys. Particularly easy is the provision of imprints.
  • Such identifiers are particularly robust. An attachment by surface etching comes into consideration.
  • the use of an electronic chip is proposed. On this the desired identifier can be stored and read out if necessary.
  • a chip or other suitable solution to describe a test result or other information such as test time and date can be added to the identifier, In particular, such information can be written to the medium carrying the identifier
  • an electronic resonance circuit in which the identifier can be coded by different resonance frequencies.
  • an identifier suitable for optical detection is proposed. This includes any type of labeling by letters and / or numbers or other characters.
  • a barcode is provided which can be provided in a simple and proven manner and can also be read out.
  • a barcode can also be applied by means of etching.
  • the identifier is attached by means of stickers.
  • this can be printed on an adhesive material and the adhesive material then attached to the desired location.
  • an adhesive strip with a plurality of barcodes can be arranged on the inside of the circumferential annular flange of a tower segment.
  • At least one construction section is designed as a tower segment and / or a connection area as a connecting flange or as an annular flange.
  • Such tower segments and connecting flanges are generally known in wind turbines using steel towers and usually have a plurality of holes. Due to its circular design, such a connecting flange often makes it difficult or impossible to fix a beginning or end. The danger of double tightening or skipping fasteners such as pairs of nut nuts is therefore particularly great. By using an identifier, identification can be easily achieved.
  • a construction section for a wind turbine which has an identifier for each attachment means.
  • a test device for testing the fastening means of a construction section of a wind turbine according to the invention is proposed, which is prepared to tighten and / or retighten the fastener to produce a desired strength and / or to check for their strength and is prepared to Identification of each fastener to capture.
  • Such a tester is thus a tool designed to tighten fasteners, such as a torque wrench. It can thus be used during assembly for tightening as well as for subsequent inspection or maintenance for tightening. Also, checking the desired strength of a fastener is usually done while this is being tightened. In addition, the tester detects the respective identifier of the fastener during or immediately before or after tightening. The tester thus has a tool section on the one hand, with which can be acted mechanically on the fastener. In addition, the tester has a reading unit or the like for detecting the identifier.
  • the detection unit for detecting the identifier is arranged on the test apparatus such that during the checking and / or tightening of a respective fastening means, its assigned identifier can be read in.
  • the tester is therefore designed so that the fitter concerned must focus on the operation of the device essentially only on the checking or tightening the fastener.
  • the detection of the identifier of the fastener just being processed can be done automatically with or the operator of the device can, for example by pressing a switch, trigger the detection of the identifier without much effort.
  • the tester is prepared to recognize the activity of checking and tightening and to trigger the detection of the identifier itself.
  • a push-button or the like may be provided on the tool portion, which is actuated by the placement of the tool section.
  • the test apparatus comprises a data processing device which is prepared to process data of the fastening means, in particular to read in, store, evaluate, transmit and / or output.
  • a data processing device which is prepared to process data of the fastening means, in particular to read in, store, evaluate, transmit and / or output.
  • Data processing device may be a microcomputer, microcontroller or the like.
  • the data of the fastening means may include both the corresponding identifier and the test result. Essentially, after the reading in, the test result must be assigned to the corresponding identifier and stored or at least temporarily stored. As further data date and time or even data about the respective user of the tester, so z. As the name of the technician to be processed. Should a fastener prove to be so defective that it is at least partially replaced, then in a variant this can also be detected with the data processing device.
  • the evaluation can also extend to other values such as the recording of the force or torque during tightening or tightening.
  • This force or torque can be evaluated in size and the size including the rating can be stored, transmitted and / or output.
  • a transmission of these or other data is preferably considered to a data processing device or database external to the tester.
  • Such transfer can be done online or offline, by radio or by cable or by exchanging a storage medium such as a memory chip.
  • the data can also be stored, retrieved and supplemented on a storage medium.
  • Such a storage medium can be plugged into the tester in one embodiment, if necessary, and is otherwise deposited at a central location such as in the wind turbine. Accordingly, the tester z. B. with a corresponding slot prepared to be able to record a corresponding memory card.
  • a method for constructing a wind energy plant according to the invention is further proposed in which two construction sections of the wind energy plant are connected in their connection region by means of a plurality of fastening means and in which a respective identification is arranged at or at the respective fastening means.
  • steps can be performed in the order mentioned or in another order.
  • the identifier can be arranged before or after connecting the construction sections.
  • the arrangement can be made directly on the respective fastening means or in the vicinity of at least one of the construction sections.
  • the method further comprises the steps of tightening and / or tightening the fastening means and checking the tightening or tightening in particular for completeness, taking into account the identifications of the fastening means.
  • a further tightening and / or tightening of the fastening means which in a first step when joining, for example, were first hand-tightened, takes place.
  • Even after tightening all fasteners can be done a further tightening.
  • Verification taking into account the identification of each fastener, ensures that in fact each fastener has been tightened or tightened, and one need not confine oneself to merely checking the total number.
  • a method for testing the fastening means of a connecting region of two structural sections of a wind energy plant according to the invention is furthermore proposed with the following steps:
  • the fasteners are first checked gradually and determined according to a test result.
  • the checking comprises at least tightening the fastener with a predetermined force or torque. Achieving this predetermined force or torque may represent the test result.
  • Other results are also possible, such as recording a torque curve during tightening or determining that a desired strength, ie a desired tightening force or a desired tightening torque, already exists.
  • each identifier is read to identify the respective fastener and assigned to the respective test result. This is for each
  • each test result comprises at least information on whether a check of the fastener was ever performed. Thus, at least the completeness of the review can be guaranteed. It is advantageous to store the test result for each fastener, output and / or evaluate. Thus, the test result can be present for each individual fastening means and can be recalled at any time if it has been previously stored. To make the result available, it can be output and at least partially an evaluation of the result can take place.
  • an error message and / or an error signal is output when it is determined that the test of a fastener has not been performed correctly.
  • Such an error message or error signal can be issued in an incomplete test as well as an error such as too low tightening torque or too low tightening force.
  • test method is repeated and / or the test results are stored in test reports.
  • Such a repetition can take place, for example, at predetermined maintenance intervals.
  • reliable and attributable to each fastener records can be generated.
  • this creates a basis for certification, if desired.
  • the central aim of the invention is to achieve a desired, predetermined assembly quality including reliability.
  • the order of processing must be correct and / or the number must be correct.
  • a screwdriver may be provided with a reader, an input unit, a display and / or a lock.
  • a reader may have a barcode and / or a structure to capture.
  • An input unit may be provided with keys for input or used by means of a manual bar code reader.
  • the display can indicate whether all screws have already been machined, in particular tightened, and / or they can indicate whether and, if so, which particular screw is missing.
  • a barrier may block the continuation of processing, in particular the tightening of further fasteners when a prescribed sequence is interrupted, when a too small number has been processed and when one or more fasteners such. B. screws have been omitted.
  • a protocol is then noted, or is automatically noted by the screwdriver or the tester, which may be important for the review.
  • a detection can take place, inter alia, during or through manual processing and / or by means of a manual barcode reader.
  • an identifier can be subdivided into a barcode and / or a structure.
  • a barcode a multiplicity of other automatically recognizable identifiers or codes are conceivable, which have already been described above.
  • a barcode a fastener such as a screw ansich can be customized.
  • both a screw and its position in the tower can be customized. Again, this is applicable to any fastener and also to locations elsewhere in the wind turbine such as the flange for blade mounting. If only one structure is used as identifier, a predefinition is not possible.
  • an identification system has been proposed in at least one embodiment, which in the screw connection of flange connections such.
  • B. tower or leaf flanges can be used. It should be ensured that all screw connections are made correctly, without screws being tightened twice or not at all.
  • the present invention may in principle also be used outside wind turbines, where a number of identical screw connections occur in, for example, a component.
  • a revolving sticker with a numbering of the screw connections that is the fastening means, as well as a simple bar code is attached to a tower flange.
  • a bolting device which is an example of a tester, and can be designed to rotate or pull, is equipped with a bar code reader, which is always correctly positioned according to the design of the barcode.
  • the fitting is programmed so that the flange connection is known in terms of number, type of screw, tightening torque or preload force.
  • the screwdriving device reports errors, eg. For example, if too few screwed connections were detected, and also creates a log, which is stored in the CV record in the service.
  • a further screwdriver or, of course, the same can check this connection during a maintenance and check each individual connection for the receipt of the prestressing force, or specify and document the maintenance plan during the test by random sampling.
  • the number of non-executed screw is to be reduced compared to the prior art. Further advantages exist in improved logging, monitoring of screw connections, and improved control of screw connections during system operation.
  • Fig. 1 shows the detail of two interconnected tower segments of a wind turbine according to the invention schematically.
  • Fig. 2 shows a test device according to the invention in a schematic representation from below.
  • FIG. 3 shows a test device according to the invention according to a further embodiment in a perspective plan view.
  • FIG. 4 shows the test apparatus according to FIG. 3 in a perspective side view.
  • Fig. 5 shows a tester according to the invention according to yet another
  • Embodiment in a perspective side view Embodiment in a perspective side view.
  • Fig. 1 shows as first and second construction sections 2, 4 a first and second tower segment, which are shown for illustration in a view from the tower interior side.
  • the size ratios of the elements according to FIG. 1 make no statement about actual, real conditions.
  • the two tower segments 2, 4 each have an annular flange 6, 8, which serve as connection areas.
  • For fastening a plurality of fasteners 10 is used. Also, the number of these fasteners 10 is not indicative of a number actually used.
  • the fastening means 10 each consist of a screw 12 and a nut 14.
  • Each fastener 10 is marked with an identifier 16.
  • all identifiers 16 bear the same reference numeral. In fact, however, all of the illustrated identifiers 16 are different from each other. Due to the schematic representation of the exact execution of the identifiers 16 of FIG. 1 is not apparent.
  • the identifiers 16 are designed as a barcode for optical reading. Each barcode codes for each fastener 10 an individual number so that each fastener 10 can be distinguished from any other fastener 10 due to this number. In addition, a number in clear lacquer is printed for the fitter.
  • the fastening means 10 are basically identical and essentially differ only in their position and their condition, in particular how tightly each individual fastening means 10 has been pulled. Further distinctions may result if, for example, a fastener 10 is defective, but this is initially not recognizable.
  • the fasteners 10 are tightened one after the other.
  • FIG. 1 at the reference numeral 6 for the upper annular flange 6 is started with the first nut 14 and so tightened all the nuts 14 once around the annular flange 6 around.
  • this tightening of all the screw nuts 14 (on the far right) and thus of all fastening means 10 also includes the part of the annular flange 6 which is not shown in FIG. 1.
  • 38 fasteners 10 would be tightened, of which 19 are shown in FIG.
  • a tower segment of a steel tower of a wind turbine according to the invention usually has a significantly higher number of fastening means per annular flange. The number can reach 100 or even more. It will be appreciated that one fastener 10 is similar to the other and as such the fasteners 10 provide little evidence of recognition.
  • the corresponding identifier 16 is read and it is thus easy to determine which fastener 10 is being tightened, which was previously tightened and in particular which is to be tightened next.
  • a barcode reader is placed directly on a tester that the examiner uses during assembly or maintenance.
  • the schematically illustrated testing device 30 according to FIG. 2 has a tool section 32 for tightening fastening means such as the fastening means 10 of FIG. 1 and a detection unit 34 for detecting the identifier as the identifier 16 according to FIG. 1 of each fastening means.
  • the tool section 32 comprises a housing 36 in which a drive unit for moving a tool key part 38 is received.
  • the tool key portion 38 is prepared to be mounted on a nut 14 of FIG. 1 for tightening the same. Often, the tool key portion 38 is provided as a replaceable nut.
  • the tester 30 in the housing 36 also has a measuring unit for measuring the applied torque.
  • the detection unit 34 is arranged on a grip element 40.
  • the detection unit 34 has a plurality of optical sensors 42 for optically detecting an identifier such as the identifier 16 of FIG. 1.
  • identifiers may be scanned in different, albeit similar directions.
  • the test apparatus 30 of FIG. 2 is prepared to be placed with the tool key part 38 on a nut 14 according to FIG. 1. In this situation, the testing device 30 would be rotated by approximately 180 degrees with respect to FIG. 2, so that the tool key part 38 according to FIG. 1 points substantially downwards.
  • the optical sensors 42 and thus the detection unit 34 total approximately down and thereby in the direction of the In any case, a pair of the optical sensors 42 can then read the identifier 16.
  • a corresponding microcomputer is provided in the grip element 40. This also cooperates with the measuring unit in the housing 36 of the tool section 32 and can thus assign the activity of the tool section 32, in particular the applied and measured torque of the identifier 16, which was detected at about the same time by the detection unit 34.
  • the testing device 30 also has a line 44 on its grip element 40, which is shown only cut off. This line 44 essentially serves to supply power to the tool section 32. In addition, data lines can be integrated into this line 44.
  • the test apparatus 330 is mounted on a screw nut 314 of a fastening means 310.
  • the fastening means 310 are arranged on an annular flange 306.
  • a tool key part 338 placed on a screw nut 314 projects through a housing 336 of the tester 330 and is thus partially visible in FIG. 3 at the top of the housing 336.
  • a tool portion 332 is arranged, in which a drive unit for moving the tool key part 338 is received.
  • power terminals 344 are provided for applying a force to the tool key part 338.
  • the tester 330 has an auxiliary tab 350, which does not matter in the present case.
  • the tester 330 For supporting, in particular for receiving a torque when tightening a nut 314, the tester 330 also has a support member 346. This support element 346 abuts against a further nut 314 and thus on a further fastening means 310 and is supported on it when applying a torque thereto.
  • Identifiers 316 are arranged on the tower flange 306 facing the tower interior side and shown schematically in FIG.
  • a detection unit is disposed on the housing 336 on the downwardly facing side and therefore not visible in FIG. This detection unit is located approximately at the bottom of the housing in the area between the auxiliary tab 350 and the power connection 344.
  • the detection unit thus has, according to FIG. 3, downwards and in the direction of at least one of the identifiers 316 on the tower flange (connection area) 306 according to FIG. 3
  • the identifier 306 can be read.
  • the tester 330 is mounted on a nut 314 as shown in FIG. 3, leaving only an extremely small distance between the nuts 314 and the adjacent tower wall 318.
  • the testing device 330 thus has at one point a very narrow edge 348 next to the tool key part 338. This is a significant difference from the very schematically illustrated test apparatus 330 of FIG. 2.
  • a tester 430 is mounted on a further nut 414 on a wide flange 406.
  • the tester 340 of FIG. 4 substantially corresponds to FIG.
  • auxiliary tab 350 is not present.
  • This identifier 416 is thus also located below the housing 436 of the test apparatus 430 in the case of the currently machined nut 414, so that the tester 430 in the state shown is the one in question
  • ID 416 can capture.
  • the testing device 530 according to FIG. 5 is placed with its tool section 532 on one of the screw nuts 514 of a fastening means 510.
  • a support member 546 is supported on a nut 514 and is provided on its underside with a detection unit to detect the respective identifier 516.
  • the testing device 530 also has a gripping element 540 with which the testing device 530 can be held and which has a number of operating elements, not shown in more detail.
  • the testing device 530 is held by a hand in the region of the grip element 540 according to FIG. 5, which is indicated schematically.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Wind Motors (AREA)
  • Clamps And Clips (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

L'invention concerne une installation d'énergie éolienne possédant plusieurs segments de construction comportant au moins une zone de liaison respective servant à relier au moins deux zones de liaison de deux segments de construction les unes aux autres; plusieurs moyens de renforcement servant à renforcer au moins deux zones de liaison de deux segments de construction les unes par rapport aux autres; une caractéristique pour chaque moyen de renforcement, qui sert à différencier ceux-ci d'autres moyens de renforcement. L'invention concerne également un instrument de vérification servant à vérifier les moyens de renforcement d'un segment de construction d'une installation d'énergie éolienne selon une des revendications et comportant une section d'outillage servant à serrer à fond et/ou bloquer le moyen de renforcement afin d'obtenir la solidité souhaitée et/ou contrôler la solidité du moyen de renforcement, ainsi qu'une unité de détection servant à détecter la caractéristique de chaque moyen de renforcement.
EP09729039A 2008-04-02 2009-04-02 Installation d'énergie éolienne possédant plusieurs segments de construction Withdrawn EP2294315A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008016925A DE102008016925A1 (de) 2008-04-02 2008-04-02 Windenergieanlage mit mehreren Konstruktionsabschnitten
PCT/EP2009/002401 WO2009121594A2 (fr) 2008-04-02 2009-04-02 Installation d'énergie éolienne possédant plusieurs segments de construction

Publications (1)

Publication Number Publication Date
EP2294315A2 true EP2294315A2 (fr) 2011-03-16

Family

ID=41051360

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EP09729039A Withdrawn EP2294315A2 (fr) 2008-04-02 2009-04-02 Installation d'énergie éolienne possédant plusieurs segments de construction

Country Status (13)

Country Link
US (1) US8763469B2 (fr)
EP (1) EP2294315A2 (fr)
JP (1) JP5450589B2 (fr)
KR (1) KR20100139129A (fr)
CN (1) CN102046967B (fr)
AR (1) AR071575A1 (fr)
AU (1) AU2009231229B2 (fr)
BR (1) BRPI0910066A2 (fr)
CA (1) CA2719349C (fr)
DE (1) DE102008016925A1 (fr)
MX (1) MX2010010888A (fr)
NZ (1) NZ588294A (fr)
WO (1) WO2009121594A2 (fr)

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Also Published As

Publication number Publication date
KR20100139129A (ko) 2010-12-31
BRPI0910066A2 (pt) 2015-12-29
WO2009121594A3 (fr) 2010-11-11
US8763469B2 (en) 2014-07-01
AR071575A1 (es) 2010-06-30
CA2719349A1 (fr) 2009-10-08
AU2009231229A1 (en) 2009-10-08
WO2009121594A2 (fr) 2009-10-08
MX2010010888A (es) 2011-03-02
DE102008016925A1 (de) 2009-10-08
CA2719349C (fr) 2016-02-23
CN102046967A (zh) 2011-05-04
JP2011516775A (ja) 2011-05-26
AU2009231229B2 (en) 2013-01-10
US20110232071A1 (en) 2011-09-29
NZ588294A (en) 2012-12-21
JP5450589B2 (ja) 2014-03-26
CN102046967B (zh) 2014-11-26

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