EP2886503B1 - Traverse zum Transportieren von Gegenständen - Google Patents

Traverse zum Transportieren von Gegenständen Download PDF

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Publication number
EP2886503B1
EP2886503B1 EP14075074.6A EP14075074A EP2886503B1 EP 2886503 B1 EP2886503 B1 EP 2886503B1 EP 14075074 A EP14075074 A EP 14075074A EP 2886503 B1 EP2886503 B1 EP 2886503B1
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EP
European Patent Office
Prior art keywords
traverse
vacuum
objects
holding devices
vacuum holding
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.)
Active
Application number
EP14075074.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2886503A1 (de
Inventor
Raimund Rötzel-Kremer
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.)
Axzion GKS Stahl und Maschinenbau GmbH
Original Assignee
Axzion GKS Stahl und Maschinenbau GmbH
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Publication date
Application filed by Axzion GKS Stahl und Maschinenbau GmbH filed Critical Axzion GKS Stahl und Maschinenbau GmbH
Publication of EP2886503A1 publication Critical patent/EP2886503A1/de
Application granted granted Critical
Publication of EP2886503B1 publication Critical patent/EP2886503B1/de
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/108Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting parts of wind turbines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0237Multiple lifting units; More than one suction area
    • B66C1/0243Separate cups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0256Operating and control devices

Definitions

  • the invention relates to a cross member for lifting heavy objects with at least two fork arms or with a fork arm and at least one lifting belt for receiving the objects, wherein vacuum supports are arranged on the traverse.
  • Trusses with fork arms of heavy objects to be transported have long been known.
  • the objects rest on support points of the fork arms due to their own weight.
  • the truss itself is for example arranged on a hook of a crane, so that the objects can be lifted. If this occurs outdoors, such as in the installation of wind turbines, so can occur during a lifting winch, which attack the heavy objects, in this case rotor blades or other parts of wind turbines, and cause a commuting of the traverse. If it then comes to a change in position of the object to be transported, in this case the rotor blade, so this can also get out of its original position, ie the transport position. In extreme cases, it slips or falls out of the subject with danger to life and limb. In addition, the object is usually badly damaged or completely destroyed.
  • a load handling device for lifting rotor blades in a mounting position, with a crane with crane boom, a crane hook and with fastening means for releasably securing a rotor blade on the crane hook, is known, in which a support means is fixed in an upper region of the crane jib having a support surface, which projects into the vertical plane of movement of the rotor blade so that the rotor blade or the fastening means come to rest during lifting, wherein the support means is rigid and the support surface is shaped such that the rotor blade is secured against rotation about a vertical axis.
  • a fastening means for the rotor blade is a load traverse, with a longitudinal beam, at one end of a frame for receiving the rotor blade tip and at the other end a shoulder strap for the blade root are arranged.
  • Anpresskar To fix the rotor blade in the frame and / or the strap can be used Anpressstoff.
  • the support means of the crane jib and the load carrier is brought into engagement, so that only a fine alignment for mounting the rotor blade on the rotor hub is possible.
  • the WO / 2010/019 029 A2 describes a gripper for detecting a bag, in which a suction cup is arranged on a frame with two clamping parts, each with a suitsnkbaren gripping arm. The suction cup causes the bag to be lifted, so that the gripping arms can be pivoted up to below the bag so that the bag is permanently fixed.
  • controls such as propeller thrusters can be arranged, which stabilize the traverse with the load.
  • the ES 2 399 014 A2 describes a traverse for lifting rotor blades in which a lifting strap on a side rail and a receptacle for the rotor blade cross section are arranged.
  • a convex mold part is arranged, which corresponds to a concave portion of the rotor blade cross-section, in order to achieve a full-surface bearing of the rotor blade in the receptacle.
  • From the SU 131 480 A1 is a device for transporting sheet steel packages by means of a crossbar known.
  • the Traverse has lowerable electromagnets, by means of which the package is fixed to the crossbar and can be raised, so that arranged laterally on the cross member, each pivotable about a vertical axis of the fork arms are pivotable under the package and record them when lowering the electromagnets.
  • the object of the invention is to provide a traverse with at least two fork arms or with a fork arm and at least one lifting belt for the transport of objects, so parts of wind turbines, are available, in which the above-described disadvantages of the prior art are eliminated, in particular one better Secured locking of the object to be transported takes place.
  • a suitable method should be provided.
  • the object is achieved by a traverse according to the invention according to the features of claim 1 and a method for transporting objects according to claim 12.
  • a traverse for transporting in particular for lifting heavy objects with at least two fork arms or with a fork arm and at least one lifting strap for receiving the objects and on the crossbar, for example on the one or the at least two fork arms, arranged support points for the objects at least a vacuum holder, which is arranged at one of the support points.
  • the heavy objects to be transported are hereinafter referred to simply as objects.
  • these are generally loads.
  • the traverse is usually, but not erfindungsnotwendig to such a pendulum suspension.
  • the one or more vacuum brackets support and monitor the locking or the position of the object in the functional state.
  • the one or more vacuum holders thus serve to secure the position of the traverse to be transported objects.
  • Vacuum holders in the context of the invention are functional devices for generating a vacuum when they rest on the surface of the object to be transported, such as suction pads.
  • vacuum here stands for a technical vacuum whose quality, d. H. the residual pressure is preferably adjustable.
  • lifting strap for example, known round slings are used, which is the case in particular in the transport of rotor blades.
  • the support points are usually formed at least by a storage stand of the one or more fork arms on which the object rests due to its own weight.
  • the support points are formed by at least one upper or at least one lateral locking punch, which support the locking of the article to the crossbeam. These are used for additional locking, especially in so-called pincer-type fork arms, provided that their use is required constructively or for safety reasons. In this case, however, they are essentially investment points.
  • the one or more vacuum holders according to the invention are connected to provide a vacuum in a known manner to a vacuum generator, preferably an ejector or a vacuum pump.
  • the one or more vacuum holders cooperate with a measuring, control and / or evaluation unit, wherein the evaluation unit is preferably a detector for signaling in the event of deviation of an actual value from the desired value of the vacuum.
  • the one or more vacuum holders thus have, in addition to the locking function as it were the function of a sensor. Both serve to secure the position.
  • the traverse has at least one control element as a control unit, which can influence the aforementioned change in position. So this can counteract, for example, a commuting of the traverse and thus the object to be transported.
  • rotors or jet drives are used.
  • the objects are essentially parts of wind power plants, in particular rotor blades.
  • the traverse designed according to the invention can also be used for other objects to be transported.
  • a transport of heavy objects by means of the device described above is ensured according to the invention by the following method, wherein first an object on a traverse with at least two fork arms or with a fork arm and at least one lifting strap, such as a round sling, is arranged and at bearing points with at least a vacuum holder - so at least one storage rack - rests, then at the one or more
  • Vacuum holders so exemplified suction pads, in a known manner, a vacuum is generated and thereby the object is secured non-positively on the crossbar before a transport operation begins.
  • demand is understood to mean that the activation of the at least one control element does not have to be carried out in an automated process, but also an individual control of the at least one control element which adjusts to the situation can be activated.
  • the one or more controls act, as described above, for example, rotors or jet engines in the same arrangement. These are arranged in as large a distance as possible from the vertical central axis running through the suspension of the cross member, with their blowing direction preferably taking place horizontally, parallel to the narrow sides of the traverse, when activated.
  • a negative change of the vacuum in the sense of the invention means a reduction or a loss of the vacuum, which is usually based on a change in position of the traverse with a concomitant change in position of the object or vice versa. But also a nudge of the object to be transported or other effects come into consideration. If, for example, the crossbeam starts to oscillate, this naturally also applies to the object to be transported. For very long objects, such as rotor blades, which protrude beyond the traverse, arise during commuting relatively high forces, which lead due to the inertia of the object to be transported when reversing to high stress on the fixture on the crossbar.
  • the vacuum holders are used according to the invention as indicators of when a pendulum movement has a critical effect on the locking of the objects to be transported. If the pendulum motion is too strong and the vacuum is interrupted on at least one vacuum fixture, transport, ie the lifting or pivoting action of a crane, is interrupted. At least one control is then activated as needed. This can - as shown above - also be done as a self-contained automatic process.
  • the one or more controls can counteract the pendulum and restore the desired position in this case. Otherwise, the one or more control elements can also serve to ensure the appropriate position, for example, when the object to be transported is acted upon by wind, so that this would inevitably leave its desired position.
  • the invention provides a traverse, in particular a better locking of the object to be transported is ensured. Similarly, the traverse invention serves to monitor the secure locking of the transporting object.
  • the one or more vacuum holders according to the invention thus had a dual function.
  • Fig. 1 a representation of the traverse invention.
  • Fig. 1 shows a cross member 1 for transporting heavy objects, here rotor blades for wind turbines, with a fork arm 2 and a lifting band 3 in the form of a loop for receiving the rotor blade.
  • Two support points 5 for the rotor blade are formed in the embodiment by a storage stand 11 of the arranged on the traverse 1 fork arm 2 and the lifting belt 3 as a round sling.
  • the support of the rotor blade is supported on the cross member 1 by upper locking die 10 .
  • a vacuum holder 4 is arranged and that to the supporting frame 11 of which is arranged on the traverse 1 fork arm. 2
  • the vacuum holder 4 is connected to provide a variable vacuum in a known manner to a vacuum generator 6 , in the embodiment, an ejector.
  • the vacuum holder 4 is connected to a measuring, control and evaluation unit 7 , wherein the evaluation unit 7 is a detector 8 for optical signaling in the event of deviation of an actual value from the nominal value of the vacuum.
  • the two controls 9 arranged on the traverse 1 can be activated.
  • the two controls 9 arranged on the traverse 1 can be activated.
  • the activation of the control elements 9 takes place in an automatic process, when the measuring device detects deviations of the actual position of the traverse 1 relative to the predetermined desired position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
EP14075074.6A 2013-12-20 2014-11-21 Traverse zum Transportieren von Gegenständen Active EP2886503B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013021737 2013-12-20

Publications (2)

Publication Number Publication Date
EP2886503A1 EP2886503A1 (de) 2015-06-24
EP2886503B1 true EP2886503B1 (de) 2016-05-04

Family

ID=52100980

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14075074.6A Active EP2886503B1 (de) 2013-12-20 2014-11-21 Traverse zum Transportieren von Gegenständen

Country Status (3)

Country Link
EP (1) EP2886503B1 (da)
DK (1) DK2886503T3 (da)
ES (1) ES2585220T3 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170218915A1 (en) * 2016-02-01 2017-08-03 General Electric Company Lifting Device for a Wind Turbine Rotor Blade
DK180210B1 (en) 2017-10-23 2020-08-18 Eltronic Wind Solutions As System for craneless blade mounting and dismounting on a wind turbine
GB2573796A (en) * 2018-05-17 2019-11-20 Vestas Wind Sys As Wind turbine element lifting method and apparatus
WO2019219151A1 (en) * 2018-05-17 2019-11-21 Vestas Wind Systems A/S Wind turbine element lifting method and apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU131480A1 (ru) * 1960-02-29 1960-11-30 Л.А. Подольский Захват дл листовой стали
NL2001889C2 (nl) * 2008-08-14 2010-02-16 Jeko Control B V Grijper voor een manipulator.
DE102011116189B3 (de) * 2011-06-21 2012-10-04 Repower Systems Se Lasthandhabungsvorrichtung zum Anheben von Rotorblättern in eine Montageposition und Verfahren zur Montage von Rotorblättern an der Rotornabe einer Windenergieanlage
ES2399014B1 (es) * 2011-09-07 2014-05-21 Matis Hispania, S. A. Herramienta para el izado de una pala de aerogenerador
DE102012010019B4 (de) * 2012-05-22 2022-08-04 Spanset Axzion Gmbh Lastaufnahmemittel zur Montage von Gegenständen in windbeeinflussten Bereichen

Also Published As

Publication number Publication date
EP2886503A1 (de) 2015-06-24
ES2585220T3 (es) 2016-10-04
DK2886503T3 (da) 2016-08-22

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