EP2948404A1 - Dispositif de levage et de pivotement - Google Patents

Dispositif de levage et de pivotement

Info

Publication number
EP2948404A1
EP2948404A1 EP13795749.4A EP13795749A EP2948404A1 EP 2948404 A1 EP2948404 A1 EP 2948404A1 EP 13795749 A EP13795749 A EP 13795749A EP 2948404 A1 EP2948404 A1 EP 2948404A1
Authority
EP
European Patent Office
Prior art keywords
lifting
load
pivot arm
pivoting
arm
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.)
Granted
Application number
EP13795749.4A
Other languages
German (de)
English (en)
Other versions
EP2948404B1 (fr
Inventor
Mark Klobas
Eckhard Weber
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.)
J Schmalz GmbH
Original Assignee
J Schmalz GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by J Schmalz GmbH filed Critical J Schmalz GmbH
Publication of EP2948404A1 publication Critical patent/EP2948404A1/fr
Application granted granted Critical
Publication of EP2948404B1 publication Critical patent/EP2948404B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-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
    • B66C1/02—Load-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
    • B66C1/0237—Multiple lifting units; More than one suction area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-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
    • B66C1/10—Load-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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-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
    • B66C1/10—Load-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
    • B66C1/108—Load-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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions

Definitions

  • the invention relates to a lifting and pivoting device for lifting and pivoting a load, in particular a rotor bar and a load lifting system comprising at least one lifting and pivoting device.
  • the individual segments are referred to as belt, upper shell, lower shell and webs.
  • the cross section of the finished rotor blades generally two main webs perpendicular to an upper and a lower belt segment, and up to two smaller so-called Endkanten- or nasenkantengurte and webs.
  • the main webs and straps form a cross-sectionally at least partially diamond-shaped basic framework of a rotor blade.
  • the upper shell and the lower shell, which form the outer skin of the rotor blade, are supported on this basic framework or on the upper and lower belt segments.
  • the individual segments are made of a Balsaholzkern, which are braided with fabric mats and then penetrated under exclusion of air with epoxy resin. This process is referred to as a vacuum infusion process. After curing of the epoxy resin, the individual segments of the rotor blades are then released from their shape.
  • the designated as rotor webs or main webs reinforcing segments of a rotor blade which are arranged in the interior of the rotor blade as part of the diamond-shaped skeleton, are usually made lying and must therefore be placed after removal from the mold. For this purpose, they are usually attached to a mechanical gripper, which raises the rotor segments or the rotor webs on one side or by means of lifting straps in the vertical position .. In this one-sided lifting the rotor segments are partially pulled over the ground, whereby the components can be affected.
  • the C- or T-shaped adhesive tabs of the webs are particularly sensitive.
  • the demoulded rotor bars are then positioned with a special web setting device for final assembly of the rotor blades in the main mold. Due to the enormous size of the wind turbines, the segments of the rotor blades take up a lot of space.
  • DE 10 2010 006 203 A1 shows a load-reversing device for attachment to a crane hook, wherein the load-bearing stop means are mounted on motor-rotatably mounted rollers of the load-reversing device.
  • these stop means must be passed under the load, in which case the two stop means must be connected to a closure piece.
  • this would therefore first be raised.
  • this is often not possible without damage in such large components.
  • the invention is therefore based on the object a lifting and pivoting device for lifting and pivoting a load, in particular a rotor bar, to provide, with which the load can be raised and pivoted in a reliable and safe manner.
  • the lifting and pivoting device has a pivot arm for fastening the load, a base body, a relative to the body axially displaceable displacement device which is pivotally connected to the pivot arm, and at least one lever arm connected to the base body and the pivot arm such is that the pivot arm is pivoted in displacement of the displacement device relative to the base body.
  • the swivel arm can therefore have a plurality of connection or bearing points.
  • the pivot arm is connected to the displacement device
  • the pivot arm is connected to the lever arm.
  • the swivel arm which is pivotally connected to the displacement device and which is preferably connected to the displacement device in the center of the swivel arm, then moves around the connection point between the swivel arm and the displacement device on the one hand and around the connection point between the swivel arm and the lever arm on the other hand. This can be done a superimposed lifting and pivoting movement.
  • the lifting and pivoting device advantageously a load.
  • This is particularly advantageous for the lifting and / or pivoting of the rotor webs mentioned above, wherein the rotor webs can then be torn out of their shape, lifted and pivoted.
  • the swivel arm is pivotable by about 90 °, in particular between a first, at least almost horizontal position in a second, at least almost vertical position.
  • pivoting about 90 ° can also be realized a lifting function, since the load is not pivoted about a constant pivot axis, but at the same time a superimposed lifting movement can take place in the vertical direction.
  • bearings are preferably arranged in the respective end regions of the pivot arm, but preferably in the outer third.
  • the bearings can be formed, for example, as a profile strips with holes, which are then connected to the swivel arm, for example. By screwing.
  • an eyelet as a bearing.
  • To connect the lever arm with the swivel arm at the bearing point can be provided, for example, provide a bolt with Sich ceremoniesssplint. By such a bolt, a quick transfer between the bearings can be made possible.
  • a further advantageous embodiment provides that at least one, preferably two vacuum suction pads are arranged on the swivel arm for holding the load.
  • These vacuum suction pads can advantageously be arranged in the region of the ends of the pivot arm on the side facing away from the lever arm side of the pivot arm.
  • the displacement device comprises a linear drive, in particular a toothed rack, and a pinion, which can be driven directly or indirectly by an electric motor via a gear, and which engages with the toothed rack.
  • the rack may have a stop, so that the pinion can not move the rack over the stop.
  • the displacement device is also designed as a linear direct drive, ball screw, roller screw, pneumatic cylinder or hydraulic cylinder. Regardless of the design of the linear drive, however, it is important that in each case a part of the linear drive is fixedly connected to the base body and another part of the linear drive which is designed to be movable relative to the fixed part fixed to the main body, with the pivot arm.
  • the rack is arranged on a designed as a double-T profile rail of the displacement device.
  • the rail may have an additional stop, which in addition to an optionally arranged on the rack stop falling out of the rack or the rail can prevent down.
  • the base body has a stationary carriage, wherein the rail of the displacement device is guided in the carriage and / or stored.
  • the carriage may preferably have a plurality of bearing rollers for guiding and / or supporting the rail, which are made of polyamide, for example.
  • the rail When forming the rail as a double-T-profile, this consists of two transverse webs with a perpendicularly extending between the two transverse webs central web.
  • two bearing rollers are provided on a transverse web on the side facing away from the central web and on the same crosspiece two bearing rollers on the side facing the central web.
  • a particularly advantageous embodiment of the invention provides that at the ends of the pivoting arm securing claws are provided which are displaceable with the load held along a longitudinal axis of the pivot arm in a securing position and engage behind the load at least in sections in the securing position.
  • the securing claws can be at least partially C-shaped. A displacement of the securing claws in the securing position can be done by moving the securing claws towards the center of the swing arm.
  • the swivel arm or the securing claws have a slot in which bolts fixed to the securing claws or to the swivel arm are guided.
  • a displacement of the securing claws along a longitudinal axis of the pivot arm by sliding the bolt in the slot can be done.
  • the safety claws can be provided to secure them by additional safety bolts with the safety pin securing securing splines.
  • the safety claws automated that is, for example, driven by pneumatic cylinders to move hydraulic cylinders or by means of an electric motor in its safety position.
  • a further advantageous embodiment of the invention provides that the base body has at least one transverse to the direction of action of the displacement device extending rail, wherein at the ends of the rail mounting portions are provided for attaching the body to a crane boom.
  • the fastening sections can be adapted to the respective crane jib in such a way that the fastening sections can be fastened with their cross section to the cross section of the respective profile of the crane jib.
  • a lifting device for lifting and pivoting a load comprising at least one device according to one of claims 1 to 9 and a crane jib for fastening the at least one device.
  • a lifting device thus comprises a crane boom and at least one, in particular a plurality of lifting and pivoting devices attached thereto.
  • the lifting device has additional vacuum suction pads for holding the load.
  • additional vacuum suction pad is therefore particularly advantageous because even if the vacuum suction pads of the lifting and pivoting device, for example. Due to geometric conditions can not be attached to the load, the additional vacuum suction pad, which are part of the lifting equipment , For lifting or pivoting the load can be attached to the load.
  • securing elements for securing certain components and positions in the form of screws or bolts are provided on the lifting and pivoting device or on the lifting device. Screws can be secured, for example, by lock nuts or by Loctite screw lock, whereas it can be provided that the bolts can be secured in their position by means of snap rings or split pins.
  • Figure 1 is an oblique view of a lifting and pivoting device according to the invention in a pivoted position
  • Figure 2 shows a detail of the lifting and pivoting device according to Figure 1 in an enlarged view
  • Figure 3 shows the lifting and pivoting device according to Figures 1 and 2 in a non-pivoted position
  • Figure 4 is a lifting and pivoting device according to the invention with hinged on the other side of the swivel arm;
  • FIG. 5a shows a lifting device according to the invention in the non-pivoted position
  • FIG. 5b shows the lifting device according to FIG. 5a in the pivoted position.
  • FIGS. 1 to 4 show a lifting and pivoting device 10 according to the invention.
  • the lifting and pivoting device 10 comprises a base body 12 and a displacement device 14 which can be displaced axially perpendicularly relative to the base body 12.
  • the base body 12 comprises a stationary slide 16, which extends over in FIG 2 clearly visible screws or rivets 18 is connected to two mutually parallel double T-profiles 20.
  • the lifting and pivoting device 10 further comprises a pivoting arm 22, which is pivotally connected to the displacement device 14.
  • the lifting and pivoting device 10 further comprises a lever arm 24 which is connected to the base body 12 and the carriage 16 and the pivot arm 22 such that the pivot arm 22 is pivoted axially displaceable with respect to the base body 12 when displacing the displacement device 14.
  • the displacement device 14 is designed as a linear drive, in particular as a toothed rack 26 with a pinion 32 drivable indirectly by an electric motor 28 via a gear 30.
  • the pinion 32 is thereby engaged with the rack 26 and meshes with the teeth of the rack 26.
  • the displacement device 14 and the rack 26 is displaceable along a longitudinal axis 34 relative to the base body 12 and the carriage 16.
  • the rack 26 is arranged on a rail 36 designed as a double T-profile.
  • the rail 36 of the displacement device 14 is pivotally connected to the pivot arm 22 at its end facing away from the electric motor 28 with a T-shaped intermediate piece 38 arranged on the pivot arm 22 via a rotary or pivot bearing 40.
  • the intermediate piece 38 has for connection to the pivot arm 22 on a flat mounting plate 42, which is bolted to the formed as a profile rail pivot arm 22 by means of screws 44.
  • the intermediate piece 38 is arranged centrally on the pivot arm 22.
  • two vacuum suction pads 46 are further provided in the region of the ends 48 of the pivot arm. These vacuum suction pads 46 preferably operate on the Bernoulli principle, so that they can generate negative pressure when connected to a compressed air line.
  • the suction plates can also be connected to a pump via a vacuum suction line.
  • the gripper surface of the vacuum suction pads 46 is formed oval. However, it is also conceivable that the gripper surface is round or square.
  • securing claws 50 are provided at the ends 48 of the pivoting arm 22, in addition to the vacuum suction pads 46. These securing claws 50 are displaceable with the load held along a longitudinal axis 52 of the pivot arm towards the center of the pivot arm 22 in a securing position.
  • the securing claws 50 are at least partially C-shaped and engage behind in the securing position the gripped or held on the vacuum suction pads 46 load at least in sections with their, parallel to the pivot arm 22 extending away from the pivot arm 22 webs 54.
  • the safety claws 50 have a slot 56, in which a not shown in the figures bolt of the swing arm is guided.
  • the securing claws 50 can therefore be displaced by means of the elongated hole 56 toward the center of the pivoting arm 22.
  • the securing claws 50 are secured in their securing position, for example by securing bolts or securing splines.
  • the securing claws 50 may be profile-shaped, in particular rectangular, in cross-section, wherein the securing claws 50 have a connecting portion 60, on which the securing claws 50 are connected to the pivot arm 22. At the connecting portions 60, the securing claws 50 preferably have a profile which is the same or at least similar to the profile of the pivoting arm 22.
  • the bearings 62 are in each case in the outer, that is, the ends 48 of the pivot arm 22 facing third of the pivot arm 22.
  • the bearings 62 may be formed, for example, as a profile strips with holes. However, it is also conceivable to form the bearings as a welded eyelet.
  • the pivot arm 22 is connected to the upper bearing point 62 with the lever arm 24.
  • FIG. 2 shows an enlarged detail of the illustration according to FIG. 1.
  • the lever arm 24 comprises two lever arm strips 64.
  • a Hebelarmance 64 is provided on each side of the rack 26 and the rail 36 and arranged on the one hand rotatably on the stationary carriage 16 and on the bearing point 62 of the pivot arm.
  • the stationary carriage 16 screwed to the double-T profiles 20 of the base body 12 has a plurality of bearing rollers 66. Through these bearing rollers designed as a double-T-carrier rail 36 of the displacement device 14 is guided.
  • the double-T-beam has two transverse webs 68 and a central web 70 extending perpendicularly between the two transverse webs 68.
  • the transverse to the longitudinal axis 34 of the displacement device 14 extending double T-profiles 20 of the body 12 are connected at their ends in each case by a cross member 74 with each other.
  • fastening portions 76 are provided, which are formed by fixed to the cross members 74 plates 78 with holes 80 and through into the holes 80 of the plates 78 engaging screws 82 and counter plates 84.
  • FIGS. 1 and 2 show the lifting and pivoting device 10 in its pivoted position in the direction of - 90 °.
  • FIG. 3 shows the lifting and swiveling device 10 according to FIGS. 1 and 2 in the basic position.
  • the lifting and pivoting device can be lowered in the basic position shown in Figure 3 on the load, not shown.
  • the displacement device 14 and the rack 26 relative to the base 12 can be moved and pivoted into their shown in Figures 1 and 2 pivoting position in - 90 ° become.
  • Figure 4 shows the lifting and pivoting device in a + 90 ° tilted representation.
  • the lever arm 24 is not arranged as shown in Figures 1 and 2 on the pivot bearing 40 from the right bearing point 62. Rather, the lever arm 24 is connected to the pivot arm 22 at the pivot bearing 40 from the left bearing 62.
  • the lifting and pivoting device 10 are rebuilt so that not only a pivoting loads in - 90 ° direction, but also a pivoting of loads in the + 90 ° direction is made possible.
  • FIGS. 5a and 5b show a load lifting installation 88, which comprises a plurality of lifting and swiveling devices 10.
  • the lifting device 88 further comprises a truss-like crane boom 90.
  • This crane boom 90 is connected at its two mutually parallel and rectangular shaped crane profiles 92 with the mounting portions 76 of the lifting and pivoting devices 10.
  • the load lifting system 88 further comprises additional vacuum suction pads 94, which are provided in addition to the vacuum suction pads 46 of the lifting and pivoting devices 10.
  • the crane boom 90 further has on its upper side a crane eye 96, on which the crane boom 90 can be gripped, for example with a hook, not shown.
  • FIG. 5a shows the lifting device 88 with a gripped load in the form of a rotor bar 98 in the basic position.
  • Figure 5b shows the lifting device 88 in the pivoted position.
  • the additional vacuum suction pads 94 are clearly visible. These can be used especially when the profile of the load, for example the rotor webs 98 changes along the longitudinal extent and the vacuum suction pad 46 of the lifting and pivoting devices 10 can not be attached to the load or the rotor bar 98 due to geometric conditions. Even with the lifting device 88, pivoting in the + and - 90 ° directions is possible.
  • the lever arms 24 of the lifting and swiveling devices 10 also have to be rebuilt at the bearing points 62 for this purpose.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Jib Cranes (AREA)

Abstract

L'invention concerne un dispositif de levage et de pivotement (10) permettant de lever et de faire pivoter une charge, en particulier un élément de liaison de rotor (98). Ce dispositif est pourvu d'un bras pivotant (22) permettant de fixer la charge, d'un corps de base (12), d'un dispositif de déplacement (14) mobile axialement verticalement par rapport au corps de base (12) et relié pivotant au bras pivotant (22), et d'au moins un bras de levier (24), lequel est relié au corps de base (12) et au bras pivotant (22) de telle manière que le bras pivotant (22) lors du déplacement du dispositif de déplacement (14) est amené à pivoter par rapport au corps de base (12).
EP13795749.4A 2013-01-23 2013-11-25 Dispositif de levage et de pivotement Active EP2948404B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013201017.6A DE102013201017B4 (de) 2013-01-23 2013-01-23 Hebe-und Schwenkvorrichtung
PCT/EP2013/074628 WO2014114386A1 (fr) 2013-01-23 2013-11-25 Dispositif de levage et de pivotement

Publications (2)

Publication Number Publication Date
EP2948404A1 true EP2948404A1 (fr) 2015-12-02
EP2948404B1 EP2948404B1 (fr) 2017-04-19

Family

ID=49667147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13795749.4A Active EP2948404B1 (fr) 2013-01-23 2013-11-25 Dispositif de levage et de pivotement

Country Status (4)

Country Link
EP (1) EP2948404B1 (fr)
DE (1) DE102013201017B4 (fr)
ES (1) ES2625054T3 (fr)
WO (1) WO2014114386A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105525308B (zh) * 2016-01-30 2017-09-22 中国有色（沈阳）冶金机械有限公司 一种槽罩板抓取装置
DE102017102368A1 (de) * 2017-02-07 2018-08-09 J. Schmalz Gmbh Vorrichtung zum Handhaben von Stegen sowie Verfahren zum Handhaben von Stegen für Rotorblätter
CN108675109B (zh) * 2018-04-24 2024-03-26 太仓希拓自动化设备有限公司 一种用于风能设备中的安全型吊装装置及其工作方法
CN119750350B (zh) * 2024-12-05 2026-03-03 航天海鹰(镇江)特种材料有限公司 一种大尺寸无人机机身外蒙皮定位吊运装配装置及其使用方法

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
DE7015758U (de) * 1970-04-27 1970-09-03 Oespag Oesterr Sanitaer Einrichtung zum transport von formen
US6733058B1 (en) * 1999-09-20 2004-05-11 Himecs Corp. Winding roll lifting device with adjustable supporting arm and chuck member
DE102010004857A1 (de) * 2010-01-18 2011-07-21 KONECRANES Lifting Systems GmbH, 40789 Vorrichtung zum Wenden von großflächigen Werkstücken
DE102010006203A1 (de) 2010-01-29 2011-08-04 Vetter Krantechnik GmbH, 57080 Lastwendegerät
DE202011100044U1 (de) * 2011-04-29 2012-05-02 Bystronic Armatec Gmbh Handhabungsvorrichtung mit einer in vertikaler Richtung schwenkbaren Bedieneinheit für eine Glasplatte, insbesondere ein mehrlagiges Glaspaket
CN202279615U (zh) * 2011-09-28 2012-06-20 深圳市创思泰科技有限公司 气动真空前后翻转吸盘机及其应用设备
CN202625583U (zh) * 2012-05-07 2012-12-26 济南吉利汽车有限公司 一种车身机盖吊运夹具

Also Published As

Publication number Publication date
DE102013201017B4 (de) 2017-05-04
ES2625054T3 (es) 2017-07-18
EP2948404B1 (fr) 2017-04-19
DE102013201017A1 (de) 2014-07-24
WO2014114386A1 (fr) 2014-07-31

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