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EP2922779B1 - Greifeinrichtung zum handhaben von bewehrungskörben für turmsegmente einer windenergieanlage - Google Patents

Greifeinrichtung zum handhaben von bewehrungskörben für turmsegmente einer windenergieanlage Download PDF

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Publication number
EP2922779B1
EP2922779B1 EP13776499.9A EP13776499A EP2922779B1 EP 2922779 B1 EP2922779 B1 EP 2922779B1 EP 13776499 A EP13776499 A EP 13776499A EP 2922779 B1 EP2922779 B1 EP 2922779B1
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EP
European Patent Office
Prior art keywords
electronic control
gripping device
gripping
length
control device
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
EP13776499.9A
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German (de)
English (en)
French (fr)
Other versions
EP2922779A1 (de
Inventor
Ingo Meyer
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
Wobben Properties 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 Wobben Properties GmbH filed Critical Wobben Properties GmbH
Priority to PL13776499T priority Critical patent/PL2922779T3/pl
Priority to MEP-2016-293A priority patent/ME02591B/me
Publication of EP2922779A1 publication Critical patent/EP2922779A1/de
Application granted granted Critical
Publication of EP2922779B1 publication Critical patent/EP2922779B1/de
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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
    • B66C1/10—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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • 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
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • 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
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/425—Gripping members engaging only the external or internal surfaces of the articles motor actuated

Definitions

  • the present invention relates to a gripping device for handling reinforcement cages for tower segments of a wind energy plant.
  • An adjustable lifting device comprising a lifting frame with at least one adjustable arm on it and a lifting arm, wherein the arms are connected with cross struts, is in US 5,476,300 shown.
  • a gripper for grasping and transporting molds for wheels for use in foundries is out US 2,642,307 known.
  • Towers such as those used for wind turbines, often have a concrete or reinforced concrete wall. Particularly in the case of dynamically loaded towers, which applies to most towers due to the effects of wind, reinforcing structures, so-called reinforcing baskets, are additionally provided in the interior of the tower wall to improve the stability.
  • the construction of a tower is in this case constructed in segments, d. h., A tower is composed of several überratenfinden, substantially annular tower segments.
  • a support structure which holds a plurality of rods, so-called rake.
  • These rods each have receivers for receiving steel strands, the steel strands being guided around the support structure to form ring members.
  • These ring elements are, stabilized by the rods, linked with orthogonally extending, arcuately preformed steel elements, whereby a grid-shaped reinforcement cage is formed.
  • the reinforcing strands are either guided around a stationary support structure in a circular motion or, what is preferred, are located in a stationary feed device and are pulled out of the receptacle by the rotationally drivable support structure and ring around the support structure as a result of the rotational movement of the support structure.
  • the shape of the annular steel strands is stabilized by the support structure and the rods by means of a plurality of spokes extending between the support structure and the rods.
  • the spokes must be respectively retrofitted in known systems or the stabilizing rods are individually and manually unhooked from the steel strands.
  • the reinforcing baskets already have a considerable weight and, according to the tower segment, considerable dimensions.
  • a reinforcement cage for the lowest, so the largest tower segment of a wind turbine of the type E126 ENERCON has a diameter of about 14m, a height of about 3.7m and a weight of about 8.5t.
  • the present invention has the object to provide a gripping device of the type mentioned above, which allows a secure gripping and handling of reinforcement cages.
  • the term "handling” is understood to mean, in particular, gripping a reinforcement cage and moving the reinforcement cage from point A to point B.
  • the invention solves the underlying object in a gripping device of the type mentioned in that it has a Greifarmability, and a plurality of gripping arms, which are arranged in a star shape on the Greifarmam, wherein at each gripper arm connectable to a reinforcing cage coupling means, for example having a or more chains, is arranged, the gripping arms are telescopically adjustable in length in length, and the gripping device with a horizontally and vertically movable lifting device coupled and is adapted to take over a reinforcement cage of a device for the production of reinforcement cages and / or in a formwork to settle for the production of a tower segment.
  • the gripping device has a plurality of gripper arms, which are arranged in a star shape on the Greifarmam.
  • the star-shaped arrangement ensures uniform gripping of the reinforcing cage along its circumference.
  • the telescopic length adjustability of the gripper arms further ensures that the reinforcing cage along its circumference by all gripping arms is controlled and gripped.
  • the coupling means on the gripping arms are preferably designed as gripping hooks attached to tension elements such as chains or steel strands, which allows quick coupling and decoupling and at the same time allows a certain residual tolerance with respect to the circularity of the reinforcing basket due to the suspended coupling of the coupling means with the gripping arms. If a gripper arm does not end exactly at the diameter of the arm in its set arm length Reinforcing basket, the pendulum-like suspension of the coupling means compensates for this to a certain extent.
  • the gripping device comprises an electronic control device which is adapted to set the length of the gripper arms to a predetermined value, which is a function of the diameter of a reinforcing basket to be gripped.
  • the control device has the advantage that by entering the predetermined value, all the arms can be adjusted synchronously to a length corresponding to the predetermined value.
  • the electronic control device is preferably prepared to cooperate with the motor drives or, if a central drive is provided, to control or regulate the central drive of the gripper arms.
  • the electronic control device is connected to an input device and has a data memory, wherein the data memory contains a table in which a number of data records are stored, wherein the data records identify information that define the reinforcing cage to be gripped.
  • the data memory contains a table in which a number of data records are stored, wherein the data records identify information that define the reinforcing cage to be gripped.
  • a plurality of data records are stored in the data memory, which define a plurality of tangible reinforcement cages.
  • the input device preferably interacts with the control device in such a way that a data record can be selected by means of the input device, the selected data record is transmitted to the control device, and the length of the gripping arms is adjusted as a function of the data record.
  • control device has one or more rotary selector switches whose different rotational positions are programmed in advance by means of known programming means in each case to a specific diameter to be selected.
  • the electronic control device communicates for data communication with an electronic control unit of a device for producing reinforcement cages for tower segments of a wind turbine and is adapted to receive from the electronic control unit of the device a data set which contains the predetermined value.
  • the data set for the invention comprises information on: a wind turbine type and / or tower type of a wind turbine and / or a selected tower segment of the wind turbine type and / or tower type, and / or a reinforcing cage diameter corresponding to the selected tower segment.
  • the data set can be selected in a cascading manner by means of an input device.
  • the electronic control device provides the user with the option of selecting a wind turbine and / or a tower type, and in a second step, the electronic control device provides the operator with the option of selecting one of several tower segments of the tower type or wind turbine.
  • the tower segment is then assigned within the record a certain, to be approached by the gripping device reinforcing cage diameter.
  • the one or more data sets are preferably programmed in advance by an operator and / or read by the device for the production of reinforcement cages in the electronic control device.
  • the input device has a touchscreen.
  • the touchscreen simultaneously enables the presentation of the choices made available by the control device and the provision of an input option of control commands.
  • the input device and the electronic control device have means for wireless data communication with one another.
  • the input device is set up as a radio remote control.
  • the electronic control device and the input device have corresponding interfaces for a wireless network connection (WLAN).
  • WLAN wireless network connection
  • the electronic control device is adapted to receive control commands entered manually into the input device and to adjust the length of the gripping arms as a function of these control commands.
  • the manual controllability of the gripper arms makes it possible to readjust the programmed, controlled by the controller gripper arm length to account for small variations in the actual dimensioning of the reinforcement cages.
  • the electronic control device is equipped with a securing means, which prevents the manual input of control commands in the electronic control device in a locking position, and means Unlock must be spent from the locked position in a release position to allow manual input of the control commands.
  • This blocking function can be realized by software, or hardware technology, for example by means of a key.
  • the electronic control device is switchable between a first and a second operating mode, wherein in the first operating mode, the input device cooperates with the control device such that a data record is selectable by means of the input device, the selected data set is transmitted to the control device, and the length of the gripping arms is adjusted as a function of the data set, and in the second operating mode the electronic control device is adapted to receive control commands entered manually into the input device and to adjust the length of the gripping arms as a function of these control commands.
  • the gripping device has means for detecting a load situation in which the gripping arms are connected to a reinforcement cage and receive at least part of its weight, wherein the electronic control device communicates with the means for detecting the load situation and is adapted thereto to prevent a length adjustment of the gripping arms, as long as the gripping arms are connected to a reinforcement cage and record at least part of its weight.
  • the length of the gripper arms and thus the reinforcing cage diameter controlled by the gripper arms changes as a result of load absorption.
  • the means for detecting the load situation which may be formed, for example, as a force transducer, strain gauges or similar measuring means, preferably included in a control or regulating circuit of the electronic control device.
  • the gripping device comprises means for detecting the Greifarmin, preferably the load-related change in length of the gripping arms, which are independent of the drive of the gripping arms. In this way, setting movements and length adjustments are registered due to tolerances and transmitted to the control device, which in turn can make a readjustment of the Greifarmlinin as a function of these registered changes.
  • the electronic control device of the gripping device and / or the input device of the gripping device on an emergency off switch is adapted to adjust the adjustment of the gripping arms immediately when the emergency off switch is actuated. This makes it possible to stop due to suddenly occurring incidents, the movement of the gripping device, in particular, this may be relevant if a wrong program was selected by mistake, which threatens to damage the reinforcement cage.
  • the gripping arms of the gripping device each have a plurality of links which are translationally movable relative to each other by means of a chain drive.
  • the chain drive is for this purpose coupled to a central electric motor drive.
  • the individual members of the gripping arms are positively and / or positively coupled with each other via drivers.
  • the position of the driver is preferably adjustable for free adjustment of the gripper arm length and limb positions on the respectively associated member.
  • Roller chain drives or omega chain drives for example, come into consideration as an exemplary chain drive.
  • the gripping arms of the gripping device each have a plurality of links which are translationally movable relative to each other by means of a rack / gear pair or by means of a walking spindle drive.
  • the traveling spindle drive preferably has two or more interengaging threaded rods, which are supported via revolving guides against occurring bending forces, wherein the threaded rods have different pitches and thread directions.
  • the threaded rods are driven by a central motor.
  • the invention relates in a second aspect to a handling system for reinforcement cages for tower segments of a wind turbine.
  • the system has a gripping device according to one of the preferred embodiments described above, a horizontally and vertically movable lifting device which is coupled to the gripping device, as well as a device for the production of reinforcement cages for tower segments of wind turbines.
  • the invention according to the second aspect is further developed advantageous in that the length of each of all spokes in a plane is synchronously adjustable.
  • the synchronous adjustment of all spokes in one plane ensures that the spokes in this plane ensure a circumference with their outer ends.
  • conical reinforcing baskets can be generated, which is particularly preferred in particular with regard to the towers of wind turbines.
  • the length of the spokes is infinitely adjustable.
  • the device has a central drive unit or a central drive unit for each level of spokes, each for motorized adjustment of the spokes is set and to which for each spoke a gear is coupled, which is driven synchronously by the drive unit.
  • a single drive unit is provided to ensure the synchronous drive of all spokes of the device by means of corresponding force transmission members.
  • Each drive movement of the central drive unit according to the invention leads to a change in length of the spokes by the same length amount.
  • This mechanically forced synchronization can be used to produce both cylindrical reinforcing baskets and conically tapered reinforcing baskets by setting the spokes of their respective plane to a basic length relevant to the respective plane.
  • the different base lengths define the angle of the taper because they define a different diameter for each plane. If the spokes of all levels are changed by the central drive unit by the same amount of deflection, there is a change in the diameter, since all levels have changed uniformly, but not the taper angle.
  • each plane of spokes can be driven by a motor separately from its own drive unit.
  • the spokes of the respective levels can be synchronized with each other, but independently adjusted in comparison to the other levels.
  • reinforcement cages can be produced with different taper angles.
  • the drive unit has a shaft with one or more gears and the transmission of the spokes are each coupled by means of roller chains to the shaft.
  • the drive unit is a hydraulic drive, and each spoke has a hydraulically actuated piston which can be pressurized by the hydraulic drive for length adjustment.
  • the device has a decentralized drive system for motorized length adjustment, preferably in such a way that each spoke has its own drive unit.
  • the respective drive for all spokes in a plane or for all spokes is controlled synchronously by an electronic control unit.
  • the additional equipment required by the larger number of individual drives is compensated by the fact that no central, all spokes actuated drive system and transmission system is required.
  • the command transmission to the respective drive units can be controlled synchronously by means of electronic control commands with little effort, since it is possible with simple technically known means to transmit the same control command to all drive units at the same time.
  • each spoke has a telescopic spindle drive, a magnetic linear drive or a rack drive. All of these drive systems can be operated in an advantageous manner by means of electronically controllable servo motors.
  • the electronic control unit is adapted to drive the central drive unit or drive unit for each level of spokes or decentralized drive units such that each level of spokes defines a predetermined circle diameter at the outer end of the spokes.
  • the rods are by mechanical decoupling of all but one spoke from its parallel with respect to the support structure layer or its conically converging position in another, angled relative to the original position position foldable.
  • the rods are secured by means of a respective coupling member to the spokes, wherein the coupling members are arranged for pivoting the rods in the direction of the axis X and simultaneously to reduce the circumference along which the rods are arranged.
  • two or more, preferably all, coupling members can be driven by a motor to execute the pivoting movement per plane of the spokes.
  • At least one of these coupling members per rod can be blocked by means of a blocking body, wherein the blocking body is selectively movable into a blocking position or a release position, preferably by means of pivoting.
  • the blocking body is configured to extend in the blocking position arcuately around the coupling member around and to close a gap between the spokes and rod, wherein the shape of the locking body is formed to correspond to the shape of the gap.
  • the basic structure of a gripping device 1 for handling reinforcement cages for tower segments of a wind turbine is in FIG. 1 shown.
  • the gripping device 1 has a gripping arm receptacle 3.
  • the Greifarmability 3 has a frame 4, on which a plurality of gripping arms 5 are fixed in a star shape.
  • the gripping arms 5 are substantially uniform along the circumference of a Distributed around 6
  • the gripping arms 5 are aligned substantially perpendicular to a central axis Y.
  • the axis Y is preferably located at the intersection of the extension of the longitudinal axes of the gripping arms 5.
  • At the Greifarmability is at the upper part (in the orientation of FIG. 1 ) of the frame 4 a lifting device 7 coupled.
  • the coupling is preferably carried out according to DIN 15401 and / or 15402.
  • the electromotive drive 9 provides a torque for motorized adjustment of the length of the gripping arms 5 ready.
  • the gripping arms 5 via chain drives 17 (for clarity, only one provided with reference numerals) coupled to the electric motor drive 9 via one or more gear members.
  • the gripping arms 5 are decoupled from the drive train.
  • the gripping device 1 has an electronic control device 11, which is also attached to the gripper arm receptacle 3 in this embodiment.
  • the electronic control device 3 is set up to set the length of the gripping arms to a predetermined value, which is a function of the diameter 1 to be gripped reinforcing basket.
  • the electronic control device is preferably controllable by means of an input device 12.
  • the input device 12 is represented by a dashed line 12a in FIG FIG. 1 , for the purpose of data communication with the electronic control device 11 connected. This can be wired or wireless.
  • the gripping arms 5 each have coupling means 13, which in the present exemplary embodiment are designed as hooks suspended from chains.
  • the coupling means are adapted to be connected to a reinforcement cage after reaching a predetermined circle diameter. After connection of the reinforcing cage with the coupling means 13 can be done by means of the lifting device 7 a load of the weight of the reinforcing cage by the gripping device 1.
  • each torque supports 15 are arranged, which absorb the weight forces absorbed by the gripping arms and introduce into the Greifarmam 3. Furthermore, these supports make it possible to divide the gripping arms so that the arms can be removed and reconnected separately. As a result, the transport dimension of the device is reduced.
  • the gripping arms 5 each have a second support member 19, which performs the same function as the support member 15.
  • the support members 19 each have, preferably inside, a bearing roller. On the in the orientation shown pointing "down" tabs of the support members 19 Vorrichtrung can be remotely parked.
  • FIG. 2 a state is shown in which the gripper arms 5 are set by partially extending the links 5b, 5c out of the innermost member 5a to a length that is between a minimum length ( FIG. 1 ) and a maximum length ( FIG. 3 ) lies.
  • FIG. 3 the operating position of the gripping device 1 with maximally extended gripping arms 5 shown.
  • the gripping device according to the FIGS. 1 to 3 acts in a preferred embodiment together with a device 101 for producing reinforcement cages for tower segments of wind turbines.
  • the device 101 is in the FIGS. 4 to 13 shown.
  • FIG. 4 the basic structure of a device for the production of reinforcement baskets for tower segments is shown.
  • the device 101 has a stationary base plate 103 (embodied, for example, as a concrete floor), relative to which a rotationally drivable platform 105 is arranged.
  • the rotatably driven platform 105 is mounted on the stationary base plate 103.
  • a supporting structure 107 extends perpendicularly from the platform 105.
  • a multiplicity of spokes 119 are arranged on the supporting structure 107 in a total of three planes 111, 113, 115. In alternative designs, only two levels are provided for applications for smaller tower segments.
  • the spokes 119 extend outwardly from the support structure.
  • the spokes 119 of which only one is provided with reference numerals for the sake of clarity, are aligned in a star shape.
  • other orientations are also possible, as long as a length adjustment of the spokes leads to a changed extent of the spokes circulating imaginary boundaries.
  • the spokes in the top level 111 are connected to each other by means of transverse struts 117 Stiffening connected.
  • the spokes in the second plane 113, spaced from the first plane 111 are interconnected by means of cross braces 109 for stiffening, and the spokes in the third plane 115, spaced from the second plane 113, are by means of cross struts 121 connected for stiffening.
  • the saponification agent may be omitted in applications for smaller tower segments.
  • FIG. 5 illustrates once again the arrangement of the different levels 111, 113, 115 one above the other in the device 101.
  • the term level here is not the strictly geometric horizontal orientation of the spokes to understand, but the arrangement similar to various platforms in buildings or on scaffolding.
  • the struts shown are actually aligned substantially perpendicular to the axis of rotation X of the support structure 107.
  • the first-level spokes 111 define a radius R1 through their radially outermost points.
  • the spokes of the second plane 113 analogously define a radius R2, and the spokes of the third plane 115 analogously define a radius R3.
  • an enclosure 123 is provided below the stationary platform 103.
  • the drive units for the support structure 107 and a central drive unit or an electronic control unit for controlling a plurality of decentralized drive units (not shown) are preferably arranged.
  • FIG. 6 shows an outbreak from the device according to FIG. 5 in a schematic representation.
  • the illustration is limited to a spoke 119 ', which is arranged in the first plane 111, and a spoke 119 ", which is arranged in the second plane 113.
  • FIG. 6 exemplified a rod 127 in the mounted position.
  • the rod 127 is aligned in the position shown at an angle ⁇ to the vertical axis X. Transferred to all rods on a device according to the invention, this means that the rods taper towards each other.
  • the angle ⁇ can be predetermined by the different length of a main body 119a of the spoke 119 'and a deviating length of the main body 119c of the spoke 119 ", if the telescopic elements 119b, 119d of the rails 119' are 119 "completely retracted, the angle results from the distance between the spokes 119 'and 119" to each other in the direction of the axis X and the different length of the body 119a, 119c.
  • the angle is adjustable by the telescopic member 119b of the spoke 119 'is moved by a different amount in the direction of the arrow 125' as the telescopic member 119d of the spoke 119 "in the direction of the arrow 125".
  • the rod 127 has a plurality of receptacles 129 for guiding reinforcement material.
  • the reinforcing material is preferably a cabled steel strip, for example BSt. 500 (according to DIN 488).
  • the rod 127 is pivotally connected in the respective plane 111, 113 by means of a coupling element 131 ', 131 "with the corresponding telescopic member 119b, 119d of the spokes 119', 119".
  • oblong hole guides are provided in the rod 127 for reception to the coupling links 131 ', 131 " the resulting change in the angle ⁇ to take into account.
  • FIG. 7 shows, using the example of an exemplary spoke 119 'in the plane 111, a further aspect in the apparatus 101 according to the invention.
  • the coupling member 131 At a radially outer end of the spoke 119', the coupling member 131 'extends outside the spoke 119'.
  • the coupling member 131 is pivotally coupled to the rod 127 in a portion 128. Between the spoke 119 'and the rod 127, a gap is formed.
  • the width of the gap substantially corresponds to the width (in the radial direction) of a blocking body 133.
  • the blocking body 133 is in FIG. 7 shown in a release position.
  • support structure of the locking body 133 can be brought from the release position shown in a locked position. This is done according to the preferred embodiment by means of a pivoting movement in the direction of arrow 135.
  • the locking body is brought by means of the pivoting movement into abutment with the spoke 119 'and the rod 127.
  • a lock is provided.
  • the pivoting movement is optionally carried out by means of a servomotor or a mechanical deflection such as a cable.
  • the radial distance of the receptacles 129 with respect to the axis of rotation X of the support structure 107 see FIG. 5 ) and is kept constant during the operation of the device 101, whereby a uniform formation of the reinforcing cage is ensured.
  • the rods can also be coupled directly, for example by means of hooking, to the arms.
  • the diameter of the reinforcing cages would then be possible within certain limits by means of correspondingly positioned bolt connections.
  • FIGS. 8 and 9 show a variant 127 'of the rod, which has the exceptions 129.
  • the rod 127 ' has as its base an elongate square body, of which four elongated sides each extending a flank with a plurality of recesses 129 away.
  • a first edge 137 has the flank height d1.
  • the second flank 39 has a flank height d2 different from the flank height d1.
  • a third flank 141 has the flank height d3, while a fourth flank 143 has the flank height d4.
  • the flank heights d1, d2, d3, d4 are different from each other.
  • the rod 127 ' is coupled to the spokes of the device such that one of the four flanks 137, 139, 141, 143 turns away from the axis of rotation X of the support structure 107 so that only this flank is brought into engagement with the reinforcing strands. Due to the different flank heights, different outer diameters or circumferences for the reinforcing strands to be accommodated can also be predetermined by means of the rods 127 'which can be positioned in the four different angular positions. Furthermore, it is preferred if the respective flanks 137, 139, 141, 143 have deviating distances between the recesses 129. In FIG. 8 This is exemplified for the edges 137 and 139 by the unequal distances a 1 (for edge 139) and a 2 (for edge 137) indicated.
  • FIG. 10 With reference to an exemplary spoke 119 ', another detail is depicted in accordance with a preferred embodiment of the invention.
  • the telescopic member 119b is extended by a certain length from the main body 119a of the spoke 119 '.
  • the coupling member 131 ' extends out of the telescoping member 119b and is coupled to the rod 127 at point 128.
  • the receptacle 128 defines a radial distance R1 from the axis X (not shown).
  • the device 101 is in a position in which the recording of the reinforcing strands can take place or takes place or has already taken place.
  • the radial distance that the receptacle 128 now occupies to the axis X is R1 ', which is smaller than R1. Due to the pivoting movement of the coupling links, the reinforcement strands detach from the receptacles 129, and the reinforcing cage produced can be removed upward from the device 101.
  • the execution of the spokes with pivoting coupling links is therefore particularly advantageous because a rapid release of the reinforcement cages can be done by the device 101, without having to change the length of the misaligned spokes by control commands.
  • the coupling links can be separated from each other by means of a separate, purely mechanical actuation FIG. 10 in the position according to FIG. 11 while the length of the spokes remains unchanged.
  • FIG. 12 Shown is a view obliquely from above on the upper level 111 of the device 101.
  • a decentralized drive unit 149 is arranged in each spoke.
  • the decentralized drive unit 149 is designed as a telescopic spindle drive 151, by means of the actuation of which a carriage 153 executes a translational movement guided by a longitudinal groove.
  • the telescopic member 119b is coupled to the carriage 153 and is due to the operation of the telescopic drive 151 motor off or retracted.
  • support struts 145, 147 are arranged on several of the spokes left and right.
  • This drive concept is used in preferred embodiments in principle both for the arms of the reinforcing cage and for the arms of the gripping device 1. The same applies to the alternative drive concepts described above.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wind Motors (AREA)
  • Toys (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Instructional Devices (AREA)
  • Types And Forms Of Lifts (AREA)
  • Moulding By Coating Moulds (AREA)
  • Manipulator (AREA)
EP13776499.9A 2012-11-23 2013-10-14 Greifeinrichtung zum handhaben von bewehrungskörben für turmsegmente einer windenergieanlage Active EP2922779B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL13776499T PL2922779T3 (pl) 2012-11-23 2013-10-14 Urządzenie chwytające do przenoszenia koszy zbrojeniowych do segmentów wieży elektrowni wiatrowej
MEP-2016-293A ME02591B (me) 2012-11-23 2013-10-14 Uređaj za hvatanje za rukovanje kavezima za ojačanje za segmente tornja vjetroturbine

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CA2889923A1 (en) 2014-05-30
ME02591B (me) 2017-06-20
MX2015006034A (es) 2015-08-07
CL2015001379A1 (es) 2015-10-02
US10023441B2 (en) 2018-07-17
JP6118420B2 (ja) 2017-04-19
TWI537465B (zh) 2016-06-11
AR093558A1 (es) 2015-06-10
DE102012221453A1 (de) 2014-05-28
ZA201502828B (en) 2016-01-27
WO2014079628A1 (de) 2014-05-30
KR101847696B1 (ko) 2018-04-10
EP2922779A1 (de) 2015-09-30
JP2015535566A (ja) 2015-12-14
DK2922779T3 (en) 2017-03-13
KR20150086531A (ko) 2015-07-28
BR112015011799A2 (pt) 2017-07-11
RU2606161C1 (ru) 2017-01-10
AU2013350006A1 (en) 2015-05-21
ES2617908T8 (es) 2018-07-13
CA2889923C (en) 2017-08-22
MX359237B (es) 2018-09-20
PL2922779T3 (pl) 2017-05-31
NZ707676A (en) 2016-02-26
CN104812691A (zh) 2015-07-29
US20150314994A1 (en) 2015-11-05
PT2922779T (pt) 2017-03-20
ES2617908T3 (es) 2017-06-20
AU2013350006B2 (en) 2016-01-07
TW201437477A (zh) 2014-10-01

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