EP2139804B1 - Adjusting mechanism for a winch - Google Patents

Adjusting mechanism for a winch Download PDF

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Publication number
EP2139804B1
EP2139804B1 EP08733238A EP08733238A EP2139804B1 EP 2139804 B1 EP2139804 B1 EP 2139804B1 EP 08733238 A EP08733238 A EP 08733238A EP 08733238 A EP08733238 A EP 08733238A EP 2139804 B1 EP2139804 B1 EP 2139804B1
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EP
European Patent Office
Prior art keywords
winch
crane
arrangement according
crane arm
linear drive
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Application number
EP08733238A
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German (de)
French (fr)
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EP2139804A1 (en
Inventor
Eckhard Wimmer
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Palfinger AG
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Palfinger AG
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Priority to PL08733238T priority Critical patent/PL2139804T3/en
Publication of EP2139804A1 publication Critical patent/EP2139804A1/en
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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
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/08—Driving gear incorporating fluid motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/18912—Compound lever and slide

Definitions

  • the present invention relates to an arrangement with a winch, which is preferably provided for lifting loads, and an adjusting mechanism for the winch, the winch is mounted in the mounted state on a crane arm by the adjusting between a working position and a transport position limited movable, wherein the adjusting mechanism has at least one linear drive.
  • a winch which is preferably provided for lifting loads
  • an adjusting mechanism for the winch the winch is mounted in the mounted state on a crane arm by the adjusting between a working position and a transport position limited movable, wherein the adjusting mechanism has at least one linear drive.
  • the invention relates to a crane arm, in particular for vehicles, with an arrangement of the type to be described as well as a crane with a crane column and with at least one crane arm movably mounted relative to the crane column.
  • An arrangement of the type mentioned is used for example in transport vehicles to move the winch when not in use in a position in which it occupies the most compact position with the other components of a loading crane. In this way, the overall height of the vehicle can be reduced, so as to form as little drag as possible while driving or to maneuver the vehicle - especially within buildings - easier.
  • a limited movable storage of winch between a transport and a working position on a crane arm of a transport vehicle is already known in principle, however, while the adjustment mechanism for moving the winch is relatively complex solved.
  • Object of the present invention is therefore to provide an improved adjustment mechanism for moving the winch between the working and transport position, which can be largely dispensed with complicated construction components.
  • the linear drive is expediently designed as a, preferably hydraulically operable, piston-cylinder unit.
  • the advantages of a hydraulic cylinder are already known, since very high forces can be transmitted by such a hydraulic linear motor, due to the low compressibility of the hydraulic fluid, a very uniform and precise movement is possible.
  • the energy delivered from a hydraulic pressure accumulator or a hydraulic pump is converted into an easily controllable and rectilinear force.
  • at least one double-acting cylinder is preferably used, whereby two active directions of movement are made possible.
  • the piston-cylinder unit now cooperates with a lever mechanism having a toggle lever, whereby elaborate structural components, such as e.g. Gears, racks or the like, can be omitted.
  • the lever mechanism is advantageously designed so that it converts a linear movement of the linear drive, preferably the piston-cylinder unit, in a pivoting movement of the winch.
  • the lever mechanism acts on a bearing part of the winch.
  • the bearing part has at least one pivot axis and at least one rotatable articulation point spaced from this pivot axis, wherein the lever mechanism acts on the rotatable articulation point.
  • the piston-cylinder unit is supported in the assembled state on a crane arm with its piston-remote end of the cylinder on the crane arm. It is also within the scope of the invention, in this case to provide the kinematic reversal solution, namely that the piston end remote from the cylinder is supported on the winch and the free end of the piston rod on the crane arm.
  • the linear drive acts on the knee of the toggle lever.
  • toggle lever has proven to be beneficial, since by a executed by the piston-cylinder unit linear motion on the knee joint, a large force in the direction of the imaginary line connecting the two of Knee joint facing away from the lever ends of the knee lever can be generated. The force is greater, the more the toggle is sheared apart.
  • the adjusting mechanism according to the invention with the toggle lever it is possible to easily move the considerable total weight of the winch with its cable drum and the rope wound thereon between the working and transport position back and forth.
  • the crane arm according to the invention is characterized in that it has an arrangement of the type described.
  • the crane according to the invention has a crane column and at least one crane arm movably mounted relative to the crane column with an arrangement of the type in question.
  • the crane column and the crane arm are integrally formed.
  • Fig. 1a and Fig. 1b schematically show a loading crane 2, which is mounted on a - only hinted - vehicle 1.
  • the loading crane 2 consists essentially of a rotatable about a vertical axis crane column 3, on the other hand about the axis 4 pivoting crane arm 5 and about the axis 6 relative to the crane arm 5 pivotable, telescopically extendable articulated arm 7, the pivoting of the articulated arm 7 relative to the crane arm 5 takes place in principle by the buckling cylinder 8.
  • the design of the loading crane per se or on the design of the various movement possibilities is omitted in the present invention, since these according to the prior Technology in many variants are already known.
  • Fig. 1 a is the winch 9 from the crane arm 5 upwards from. while in Fig. 1b the winch 9 has been pivoted about an axis down, so according to Fig. 1b the top of the winch 9 with the top of the crane arm 5 can be arranged at least approximately coplanar.
  • Fig. 1a preferably marks the working position of the winch 9, while the winch 9 in Fig. 1b the transport position occupies, which has a reduced height of the overall arrangement result. It should be noted in this context, however, that depending on the crane type and structure of the loading crane 2, the folded down position according to Fig. 1b the transport or the working position can be.
  • Fig. 2a and Fig. 2b each show a vertical section through the crane arm 5 according to the Fig. 1a, 1b , So the position of the winch 9 in the working or transport position.
  • Fig. 2a shows the folded down position of the winch 9 with respect to the crane arm 5, the position of the winch 9 according to Fig. 1 b equivalent.
  • the winch 9 has at least one cable drum 12, wherein by rotating the cable drum 12, the rope 11 up or unwound.
  • the winch 9 comprises a bearing part 13 which is pivotable about an axis 14 relative to the crane arm 5.
  • At least one linear drive 15 in the form of a piston-cylinder unit 15a, 15b is provided which pivots the bearing part 13 of the winch 9 via a lever mechanism 16.
  • the lever mechanism 16 comprises a toggle lever with two one-armed levers 16a and 16b, wherein in the embodiment shown, the free end of the piston rod 15b of the piston-cylinder unit 15a, 15b acts directly on the knee K of the articulated connection between the two levers 16a, 16b.
  • the remote from the knee K ends of the two levers 16a and 16b engage on the one hand at a further rotatable pivot point 14a of the bearing part 13 and on the other hand on another - crane arm-side pivot point 14b.
  • FIG. 2a is the piston rod 15b relative to the cylinder 15a in an extended state.
  • the piston rod 15b in the cylinder 15a of the bearing part 13 on the Toggle kinematics easily pivotable about its axis 14 until the in Fig. 2b shown position of the winch, 9 is reached.
  • Fig. 2b shown representation thus corresponds to the folded position of the winch 9 according to Fig. 1a which, as already mentioned, may be either the working or the transport position, depending on the design of the crane type.
  • Fig. 3 shows a side view of a transport vehicle 1 with mounted thereon loading crane 2.
  • the loading crane 2 includes, for example, a rotatable crane column 3, on which a crane arm 5 is arranged with the winch 9, which is movable by an adjusting device 10 either in a transport or working position.
  • an adjusting mechanism 10 which has at least one linear drive 15 in the form of a piston-cylinder unit 15a, 15b and a lever mechanism 16 in the form of the two toggle 16a 16b.
  • the arranged on the bearing part 13 winch 9 with its cable drum 12 is pivotally mounted about the axis 14.
  • the piston-cylinder unit 15a, 15b acts directly on a knee K of the toggle lever.
  • the bearing member 13 has a spaced from the axis 14 rotatable pivot point 14a, on which the lever 16b engages.
  • the other lever 16a is pivotally connected to an articulation point 14b assigned to the crane arm 5.
  • Fig. 4b shows the pivoted position of the winch 9, wherein the piston rod 15b is shown in relation to the cylinder 15a in the extended position.
  • the lever mechanism with the two levers 18a, 16b convert a linear movement of the piston rod 15b into a pivotal movement of the winch 9 mounted on the bearing part 13, wherein the pivoting angle is favorably between 0 ° and 180 °, preferably between 0 ° and approximately 90 °.
  • the subject invention is not limited to the embodiment shown, but includes and extends to all variants and technical equivalents, which may fall within the scope of the following claims.
  • position information selected in the description such as top, bottom, side, etc., related to the immediately described and illustrated figure and are mutatis mutandis transferred to the new location in a change in position.
  • winch between the limited Movement between the transport position and the working position performs a linear movement or a combination of a linear and a pivoting movement.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

Disclosed is an arrangement comprising a winch (9) that is preferably used for hoisting loads as well as an adjusting mechanism (10) for the winch (9). In the assembled state, the winch (9) is mounted on a crane boom (5) so as to be movable by a limited degree between an operating position and a transported position by means of the adjusting mechanism (10). The adjusting mechanism (10) is equipped with at least one linear drive unit (15) which cooperates with a lever gear (16) to adjust the winch (9).

Description

Die vorliegende Erfindung bezieht sich auf eine Anordnung mit einer Seilwinde, die vorzugsweise zum Heben von Lasten vorgesehen ist, und einem Verstellmechanismus für die Seilwinde, wobei die Seilwinde im Montagezustand an einem Kranarm durch den Verstellmechanismus zwischen einer Arbeitsstellung und einer Transportstellung begrenzt bewegbar gelagert ist, wobei der Verstellmechanismus wenigstens einen Linearantrieb aufweist. Eine solche Anordnung ist aus DE 200 23 565 U1 bekannt.The present invention relates to an arrangement with a winch, which is preferably provided for lifting loads, and an adjusting mechanism for the winch, the winch is mounted in the mounted state on a crane arm by the adjusting between a working position and a transport position limited movable, wherein the adjusting mechanism has at least one linear drive. Such an arrangement is out DE 200 23 565 U1 known.

Im Weiteren betrifft die Erfindung einen Kranarm, insbesondere für Fahrzeuge, mit einer Anordnung der zu beschreibenden Art sowie darüber hinaus einen Kran mit einer Kransäule und mit mindestens einem relativ zur Kransäule bewegbar gelagerten Kranarm.Furthermore, the invention relates to a crane arm, in particular for vehicles, with an arrangement of the type to be described as well as a crane with a crane column and with at least one crane arm movably mounted relative to the crane column.

Eine Anordnung der eingangs erwähnten Gattung wird beispielsweise bei Transportfahrzeugen eingesetzt, um die Seilwinde bei Nichtgebrauch in eine Position zu bewegen, in der sie mit den anderen Komponenten eines Ladekrans eine möglichst kompakte Stellung einnimmt. Auf diese Weise kann die Bauhöhe des Fahrzeuges reduziert werden, um damit beispielsweise während der Fahrt möglichst wenig Luftwiderstand zu bilden oder um das Fahrzeug - insbesondere innerhalb von Gebäuden - einfacher manövrieren zu können. Eine begrenzt bewegliche Lagerung der Seilwinde zwischen einer Transport- und einer Arbeitsstellung an einem Kranarm eines Transportfahrzeugs ist grundsätzlich bereits bekannt, allerdings ist dabei der Verstellmechanismus zum Bewegen der Seilwinde relativ aufwändig gelöst.An arrangement of the type mentioned is used for example in transport vehicles to move the winch when not in use in a position in which it occupies the most compact position with the other components of a loading crane. In this way, the overall height of the vehicle can be reduced, so as to form as little drag as possible while driving or to maneuver the vehicle - especially within buildings - easier. A limited movable storage of winch between a transport and a working position on a crane arm of a transport vehicle is already known in principle, however, while the adjustment mechanism for moving the winch is relatively complex solved.

Aufgabe der vorliegenden Erfindung ist es daher, einen verbesserten Verstellmechanismus zum Bewegen der Seilwinde zwischen der Arbeits- und Transportstellung abzugeben, wobei auf komplizierte Konstruktionsbauteile weitgehend verzichtet werden kann.Object of the present invention is therefore to provide an improved adjustment mechanism for moving the winch between the working and transport position, which can be largely dispensed with complicated construction components.

Dies wird erfindungsgemäß in einer vorteilhaften Ausgestaltung dadurch erreicht, dass der Linearantrieb zum Verstellen der Seilwinde mit einem Hebelwerk zusammenwirkt, wobei das Hebelwerk wenigstens einen Kniehebel aufweist.This is inventively achieved in an advantageous embodiment in that the linear drive for adjusting the winch cooperates with a lever mechanism, wherein the lever mechanism has at least one toggle.

Der Linearantrieb ist zweckmäßigerweise als eine, vorzugsweise hydraulisch betreibbare, Kolben-Zylinder-Einheit ausgebildet. Die Vorteile eines Hydraulikzylinders sind bereits bekannt, da durch einen derartigen hydraulischen Linearmotor sehr hohe Kräfte übertragen werden können, wobei aufgrund der geringen Kompressibilität der Hydraulikflüssigkeit eine sehr gleichförmige und exakte Bewegung möglich ist. Die aus einem hydraulischen Druckspeicher oder einer Hydraulikpumpe gelieferte Energie wird dabei in eine einfach steuerbare und geradlinig wirkende Kraft umgesetzt. Bevorzugt wird bei der Ausführung der Erfindung wenigstens ein doppelt wirkender Zylinder eingesetzt, wobei zwei aktive Bewegungsrichtungen ermöglicht werden. Gemäß der vorliegenden Erfindung wirkt nun die Kolben-Zylinder-Einheit mit einem einen Kniehebel aufweisenden Hebelwerk zusammen, wobei aufwändige Konstruktionsbauteile, wie z.B. Zahnräder, Zahnstangen oder dergleichen, entfallen können. Das Hebelwerk ist dabei vorteilhafterweise so ausgebildet, dass es eine Linearbewegung des Linearantriebs, vorzugsweise der Kolben-Zylinder-Einheit, in eine Schwenkbewegung der Seilwinde umsetzt.The linear drive is expediently designed as a, preferably hydraulically operable, piston-cylinder unit. The advantages of a hydraulic cylinder are already known, since very high forces can be transmitted by such a hydraulic linear motor, due to the low compressibility of the hydraulic fluid, a very uniform and precise movement is possible. The energy delivered from a hydraulic pressure accumulator or a hydraulic pump is converted into an easily controllable and rectilinear force. In the embodiment of the invention, at least one double-acting cylinder is preferably used, whereby two active directions of movement are made possible. According to the present invention, the piston-cylinder unit now cooperates with a lever mechanism having a toggle lever, whereby elaborate structural components, such as e.g. Gears, racks or the like, can be omitted. The lever mechanism is advantageously designed so that it converts a linear movement of the linear drive, preferably the piston-cylinder unit, in a pivoting movement of the winch.

Gemäß einem Ausführungsbeispiel der Erfindung ist vorgesehen, dass das Hebelwerk an einem Lagerteil der Seilwinde angreift. In diesem Zusammenhang kann es günstig sein, wenn der Lagerteil wenigstens eine Schwenkachse und wenigstens einen von dieser Schwenkachse beabstandeten drehbaren Anlenkpunkt aufweist, wobei das Hebelwerk am drehbaren Anlenkpunkt angreift.According to one embodiment of the invention, it is provided that the lever mechanism acts on a bearing part of the winch. In this context, it may be favorable if the bearing part has at least one pivot axis and at least one rotatable articulation point spaced from this pivot axis, wherein the lever mechanism acts on the rotatable articulation point.

Gemäß einem Ausführungsbeispiel der Erfindung kann vorgesehen sein, dass sich die Kolben-Zylinder-Einheit im Montagezustand an einem Kranarm mit ihrem kolbenabgewandten Ende des Zylinders am Kranarm abstützt. Es liegt auch im Rahmen der Erfindung, hierbei die kinematische Umkehrlösung vorzusehen, nämlich dass sich das kolbenabgewandte Ende des Zylinders an der Seilwinde und das freie Ende der Kolbenstange am Kranarm abstützt.According to one embodiment of the invention can be provided that the piston-cylinder unit is supported in the assembled state on a crane arm with its piston-remote end of the cylinder on the crane arm. It is also within the scope of the invention, in this case to provide the kinematic reversal solution, namely that the piston end remote from the cylinder is supported on the winch and the free end of the piston rod on the crane arm.

Gemäß einem bevorzugten Ausführungsbeispiel der Erfindung kann vorgesehen sein, dass der Linearantrieb am Knie des Kniehebels angreift.According to a preferred embodiment of the invention can be provided that the linear drive acts on the knee of the toggle lever.

Die Verwendung eines Kniehebels hat sich insofern als günstig erwiesen, da durch eine von der Kolben-Zylinder-Einheit ausgeführte Linearbewegung auf das Kniegelenk eine große Kraft in Richtung der gedachten Verbindungslinie zwischen den beiden vom Kniegelenk abgewandten Hebelenden des Kniehebels erzeugbar ist. Die Kraft ist dabei umso größer, je mehr der Kniehebel auseinander geschert wird. Durch den erfindungsgemäßen Verstellmechanismus mit dem Kniehebel ist es möglich, das beträchtliche Gesamtgewicht der Seilwinde mit ihrer Seiltrommel und dem darauf aufgewickelten Seil problemlos zwischen der Arbeits- und Transportstellung hin und her zu bewegen.The use of a toggle lever has proven to be beneficial, since by a executed by the piston-cylinder unit linear motion on the knee joint, a large force in the direction of the imaginary line connecting the two of Knee joint facing away from the lever ends of the knee lever can be generated. The force is greater, the more the toggle is sheared apart. The adjusting mechanism according to the invention with the toggle lever, it is possible to easily move the considerable total weight of the winch with its cable drum and the rope wound thereon between the working and transport position back and forth.

Der erfindungsgemäße Kranarm ist dadurch gekennzeichnet, dass er eine Anordnung der beschriebenen Art aufweist.The crane arm according to the invention is characterized in that it has an arrangement of the type described.

Der erfindungsgemäße Kran weist eine Kransäule und mindestens einen relativ zur Kransäule bewegbar gelagerten Kranarm mit einer Anordnung der in Rede stehenden Art auf. Bei einem möglichen Ausführungsbeispiel der Erfindung kann auch vorgesehen sein, dass die Kransäule und der Kranarm einstückig ausgebildet sind.The crane according to the invention has a crane column and at least one crane arm movably mounted relative to the crane column with an arrangement of the type in question. In a possible embodiment of the invention can also be provided that the crane column and the crane arm are integrally formed.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung werden anhand der vorliegenden Figurenbeschreibung erläutert. Dabei zeigt bzw. zeigen:

Fig. 1a, 1b
Seitenansichten eines an einem Kraftfahrzeug montierten Ladekrans mit der Seilwinde in der Arbeitsstellung sowie in der Transportstellung.
Fig. 2a, 2b
Vertikalschnitte durch den Kranarm mit der Seilwinde in der Arbeits-bzw. Transportstellung,
Fig. 3
ein Transportfahrzeug mit montiertem Ladekran in der Seitenansicht,
Fig. 4a, 4b
perspektivische Ansichten der Seilwinde in der Arbeits- und in der Transportstellung.
Further details and advantages of the present invention will be explained with reference to the present description of the figures. It shows or show:
Fig. 1a, 1b
Side views of a mounted on a motor vehicle loading crane with the winch in the working position and in the transport position.
Fig. 2a, 2b
Vertical sections through the crane arm with the winch in the working or. Transport position,
Fig. 3
a transport vehicle with mounted loading crane in side view,
Fig. 4a, 4b
perspective views of the winch in the working and in the transport position.

Fig. 1a und Fig. 1b zeigen schematisch einen Ladekran 2, der auf einem - nur angedeuteten - Fahrzeug 1 montiert ist. Der Ladekran 2 besteht im Wesentlichen aus einer um eine vertikale Achse drehbaren Kransäule 3, einem dagegen um die Achse 4 schwenkbaren Kranarm 5 und einen um die Achse 6 gegenüber dem Kranarm 5 verschwenkbaren, teleskopartig ausfahrbaren Knickarm 7, Die Verschwenkung des Knickarmes 7 relativ zum Kranarm 5 erfolgt grundsätzlich durch den Knickzylinder 8. Auf eine detailliertere Beschreibung hinsichtlich der Ausbildung des Ladekrans per se bzw. auf die Ausgestaltung der verschiedenen Bewegungsmöglichkeiten wird im Rahmen der vorliegenden Erfindung verzichtet, da diese gemäß dem Stand der Technik in vielen Varianten bereits bekannt sind. Wesentlich ist die vorzugsweise am Kranarm 5 angeordnete Seilwinde 9 mit ihrem Verstellmechanismus 10, mit dem die Seilwinde 9 wahlweise in eine Arbeits- und eine Transportstellung bewegbar vorzugsweise verschwenkbar, ist. Auf die Seilwinde 9 ist ein Seil 11 mehrlagig aufwickelbar. Das Seil 11 kann entweder zum Heben von Ladegut bzw. auch dazu verwendet werden, Ausleger des Ladekrans 2 zu teleskopieren oder auch zu verschwenken. In Fig. 1 a steht die Seilwinde 9 vom Kranarm 5 nach oben hin ab. während in Fig. 1b die Seilwinde 9 um eine Achse nach unten verschwenkt wurde, sodass gemäß Fig. 1b die Oberseite der Seilwinde 9 mit der Oberseite des Kranarmes 5 wenigstens annähernd koplanar angeordnet sein kann. Fig. 1a markiert vorzugsweise die Arbeitsstellung der Seilwinde 9, während die Seilwinde 9 in Fig. 1b die Transportstellung einnimmt, was eine reduzierte Bauhöhe der Gesamtanordnung zur Folge hat. Angemerkt sei in diesem Zusammenhang jedoch, dass je nach Krantyp und Aufbau des Ladekrans 2 die heruntergeklappte Stellung gemäß Fig. 1b die Transport- oder auch die Arbeitsstellung sein kann. Fig. 1a and Fig. 1b schematically show a loading crane 2, which is mounted on a - only hinted - vehicle 1. The loading crane 2 consists essentially of a rotatable about a vertical axis crane column 3, on the other hand about the axis 4 pivoting crane arm 5 and about the axis 6 relative to the crane arm 5 pivotable, telescopically extendable articulated arm 7, the pivoting of the articulated arm 7 relative to the crane arm 5 takes place in principle by the buckling cylinder 8. On a more detailed description with regard to the design of the loading crane per se or on the design of the various movement possibilities is omitted in the present invention, since these according to the prior Technology in many variants are already known. Essential is preferably arranged on the crane arm 5 winch 9 with its adjusting mechanism 10, with which the winch 9 is movable preferably in a working and a transport position preferably pivotable, is. On the winch 9 a rope 11 is wound up in several layers. The cable 11 can either be used for lifting cargo or also to telescope boom of the loading crane 2 or to pivot. In Fig. 1 a is the winch 9 from the crane arm 5 upwards from. while in Fig. 1b the winch 9 has been pivoted about an axis down, so according to Fig. 1b the top of the winch 9 with the top of the crane arm 5 can be arranged at least approximately coplanar. Fig. 1a preferably marks the working position of the winch 9, while the winch 9 in Fig. 1b the transport position occupies, which has a reduced height of the overall arrangement result. It should be noted in this context, however, that depending on the crane type and structure of the loading crane 2, the folded down position according to Fig. 1b the transport or the working position can be.

Fig. 2a und Fig. 2b zeigen jeweils einen Vertikalschnitt durch den Kranarm 5 gemäß den Fig. 1a, 1b, also die Stellung der Seilwinde 9 in der Arbeits- bzw. Transportstellung. Fig. 2a zeigt die heruntergeklappte Stellung der Seilwinde 9 in Bezug zum Kranarm 5, die der Stellung der Seilwinde 9 gemäß Fig. 1 b entspricht. Die Seilwinde 9 weist wenigstens eine Seiltrommel 12 auf, wobei durch Rotieren der Seiltrommel 12 das Seil 11 auf- bzw. abwickelbar ist. Im Weiteren umfasst die Seilwinde 9 ein Lagerteil 13, der um eine Achse 14 relativ zum Kranarm 5 verschwenkbar ist. Zum Verstellen der Seilwinde 9 zwischen der Transport- und Arbeitsstellung ist wenigstens ein Linearantrieb 15 in Form einer Kolben-Zylinder-Einheit 15a, 15b vorgesehen, die über ein Hebelwerk 16 den Lagerteil 13 der Seilwinde 9 verschwenkt. Das Hebelwerk 16 umfasst einen Kniehebel mit zwei einarmigen Hebeln 16a und 16b, wobei im gezeigten Ausführungsbeispiel das freie Ende der Kolbenstange 15b der Kolben-Zylinder-Einheit 15a, 15b direkt am Knie K der gelenkigen Verbindung zwischen den beiden Hebeln 16a, 16b angreift. Die vom Knie K abgewandten Enden der beiden Hebel 16a und 16b greifen einerseits an einem weiteren drehbaren Anlenkpunkt 14a des Lagerteiles 13 sowie andererseits an einem weiteren - kranarmseitigen Anlenkpunkt 14b an. In Fig. 2a befindet sich die Kolbenstange 15b relativ zum Zylinder 15a in einem ausgezogenen Zustand. Beim Einfahren der Kolbenstange 15b in den Zylinder 15a ist der Lagerteil 13 über die Kniehebelkinematik problemlos um dessen Achse 14 verschwenkbar, bis die in Fig. 2b gezeigte Stellung der Seilwinde, 9 erreicht ist. Die in Fig. 2b gezeigte Darstellung entspricht somit der hochgeklappten Stellung der Seilwinde 9 gemäß Fig. 1a, die - wie bereits erwähnt - je nach Ausbildung des Krantyps entweder die Arbeits- oder die Transportstellung sein kann. Fig. 2a and Fig. 2b each show a vertical section through the crane arm 5 according to the Fig. 1a, 1b , So the position of the winch 9 in the working or transport position. Fig. 2a shows the folded down position of the winch 9 with respect to the crane arm 5, the position of the winch 9 according to Fig. 1 b equivalent. The winch 9 has at least one cable drum 12, wherein by rotating the cable drum 12, the rope 11 up or unwound. Furthermore, the winch 9 comprises a bearing part 13 which is pivotable about an axis 14 relative to the crane arm 5. For adjusting the winch 9 between the transport and working position, at least one linear drive 15 in the form of a piston-cylinder unit 15a, 15b is provided which pivots the bearing part 13 of the winch 9 via a lever mechanism 16. The lever mechanism 16 comprises a toggle lever with two one-armed levers 16a and 16b, wherein in the embodiment shown, the free end of the piston rod 15b of the piston-cylinder unit 15a, 15b acts directly on the knee K of the articulated connection between the two levers 16a, 16b. The remote from the knee K ends of the two levers 16a and 16b engage on the one hand at a further rotatable pivot point 14a of the bearing part 13 and on the other hand on another - crane arm-side pivot point 14b. In Fig. 2a is the piston rod 15b relative to the cylinder 15a in an extended state. When retracting the piston rod 15b in the cylinder 15a of the bearing part 13 on the Toggle kinematics easily pivotable about its axis 14 until the in Fig. 2b shown position of the winch, 9 is reached. In the Fig. 2b shown representation thus corresponds to the folded position of the winch 9 according to Fig. 1a which, as already mentioned, may be either the working or the transport position, depending on the design of the crane type.

Fig. 3 zeigt eine Seitenansicht eines Transportfahrzeuges 1 mit darauf montiertem Ladekran 2. Der Ladekran 2 umfasst beispielhaft eine drehbare Kransäule 3, an der ein Kranarm 5 mit der Seilwinde 9 angeordnet ist, die durch eine Verstelleinrichtung 10 wahlweise in eine Transport- bzw. Arbeitsstellung bewegbar ist. Fig. 3 shows a side view of a transport vehicle 1 with mounted thereon loading crane 2. The loading crane 2 includes, for example, a rotatable crane column 3, on which a crane arm 5 is arranged with the winch 9, which is movable by an adjusting device 10 either in a transport or working position.

Fig. 4a und Fig. 4b zeigen eine perspektivische Darstellung der Arbeits- und Transportstellung der Seilwinde 9. Hierfür ist ein Verstellmechanismus 10 vorgesehen, der wenigstens einen Linearantrieb 15 in Form einer Kolben-Zylinder-Einheit 15a, 15b und ein Hebelwerk 16 in Form der beiden Kniehebel 16a 16b aufweist. Die auf dem Lagerteil 13 angeordnete Seilwinde 9 mit ihrer Seiltrommel 12 ist um die Achse 14 schwenkbar gelagert. Die Kolben-Zylinder-Einheit 15a, 15b greift direkt an einem Knie K des Kniehebels an. Der Lagerteil 13 weist einen von der Achse 14 beabstandeten drehbaren Anlenkpunkt 14a auf, an dem der Hebel 16b angreift. Der andere Hebel 16a ist mit einem - dem Kranarm 5 zugeordneten -Anlenkpunkt 14b gelenkig verbunden. Fig. 4a and Fig. 4b For this purpose, an adjusting mechanism 10 is provided which has at least one linear drive 15 in the form of a piston-cylinder unit 15a, 15b and a lever mechanism 16 in the form of the two toggle 16a 16b. The arranged on the bearing part 13 winch 9 with its cable drum 12 is pivotally mounted about the axis 14. The piston-cylinder unit 15a, 15b acts directly on a knee K of the toggle lever. The bearing member 13 has a spaced from the axis 14 rotatable pivot point 14a, on which the lever 16b engages. The other lever 16a is pivotally connected to an articulation point 14b assigned to the crane arm 5.

Fig. 4b zeigt die herausgeschwenkte Stellung der Seilwinde 9, wobei die Kolbenstange 15b in Bezug zum Zylinder 15a in ausgezogener Stellung gezeigt ist. Das Hebelwerk mit den beiden Hebeln 18a, 16b setzen eine Linearbewegung der Kolbenstange 15b in eine Schwenkbewegung der auf dem Lagerteil 13 gelagerten Seilwinde 9 um, wobei der Schwenkwinkel günstigerweise zwischen 0° und 180°, vorzugsweise zwischen 0° und etwa 90° liegt. Fig. 4b shows the pivoted position of the winch 9, wherein the piston rod 15b is shown in relation to the cylinder 15a in the extended position. The lever mechanism with the two levers 18a, 16b convert a linear movement of the piston rod 15b into a pivotal movement of the winch 9 mounted on the bearing part 13, wherein the pivoting angle is favorably between 0 ° and 180 °, preferably between 0 ° and approximately 90 °.

Die gegenständliche Erfindung beschränkt sich nicht auf das gezeigte Ausführungsbeispiel, sondern umfasst bzw. erstreckt sich auf alle Varianten und technischen Äquivalente, welche in die Reichweite der nachfolgenden Ansprüche fallen können. Auch sind die in der Beschreibung gewählten Lageangaben, wie z.B. oben, unten, seitlich usw., auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen. Grundsätzlich ist es auch möglich, dass die Seilwinde zwischen der begrenzten Bewegung zwischen der Transportstellung und der Arbeitsstellung eine Linearbewegung oder auch eine Kombination aus einer Linear- und einer Schwenkbewegung ausführt.The subject invention is not limited to the embodiment shown, but includes and extends to all variants and technical equivalents, which may fall within the scope of the following claims. Also, the position information selected in the description, such as top, bottom, side, etc., related to the immediately described and illustrated figure and are mutatis mutandis transferred to the new location in a change in position. Basically, it is also possible that the winch between the limited Movement between the transport position and the working position performs a linear movement or a combination of a linear and a pivoting movement.

Claims (10)

  1. An arrangement with a winch (9), which is provided preferably for hoisting loads, and with an adjusting mechanism (10) for the winch (9), wherein the winch (9) when being assembled on a crane arm (5) can be moved to a limited extent between a working position and a transport position by way of the adjusting mechanism (10), wherein the adjusting mechanism (10) comprises at least one linear drive (15), characterized in that the linear drive (15) interacts with a lever apparatus (16) to adjust the winch (9), wherein the lever apparatus (16) comprises at least one knee lever (16a, 166).
  2. The arrangement according to claim 1, characterized in that the lever apparatus (16) is embodied in such a way that it converts a linear movement of the linear drive (15) into a pivoting movement of the winch (9).
  3. The arrangement according to claim 1 or 2, characterized in that the lever apparatus (16) acts on a bearing part (13) of the winch (9).
  4. The arrangement according to claim 3, characterized in that the bearing part (13) has at least one pivot axis (14) and at least one rotatable articulation point (14a) which is arranged offset from the pivot axis (14), the lever apparatus (16) acting on the rotatable articulation point (14a).
  5. The arrangement according to one of the claims 1 to 4, characterized in that the linear drive (15) acts on the knee (K) of the knee lever (16a, 16b).
  6. The arrangement according to one of the claims 1 to 5, characterized in that the winch (9) can be mounted to the crane arm (5) so as to be able to pivot - preferably about an axis (14) which is substantially parallel to the axial direction of the crane arm (5).
  7. The arrangement according to one of the claims 1 to 6, characterized in that the linear drive (15) is embodied as a, preferably hydraulically operable, piston-cylinder unit (15a, 15b).
  8. The arrangement according to one of the claims 1 to 7, characterized in that the winch (9) has at least one cable drum (12) onto which a load bearing cable (11) can be wound.
  9. A crane arm, in particular for vehicles, characterized in that the crane arm (5) has an arrangement according to one of the claims 1 to 8.
  10. A crane with a crane pillar and at least one crane arm according to claim 9 which is mounted so as to be movable relative to the crane pillar.
EP08733238A 2007-05-03 2008-04-14 Adjusting mechanism for a winch Active EP2139804B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08733238T PL2139804T3 (en) 2007-05-03 2008-04-14 Adjusting mechanism for a winch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0027307U AT10273U1 (en) 2007-05-03 2007-05-03 ADJUSTMENT MECHANISM FOR A WINCH
PCT/AT2008/000135 WO2008134783A1 (en) 2007-05-03 2008-04-14 Adjusting mechanism for a winch

Publications (2)

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EP2139804A1 EP2139804A1 (en) 2010-01-06
EP2139804B1 true EP2139804B1 (en) 2011-12-14

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US (1) US8113363B2 (en)
EP (1) EP2139804B1 (en)
JP (1) JP2010526001A (en)
KR (1) KR20100015920A (en)
CN (1) CN101674998B (en)
AT (2) AT10273U1 (en)
AU (1) AU2008247290B2 (en)
BR (1) BRPI0811075B1 (en)
CA (1) CA2685881C (en)
DK (1) DK2139804T3 (en)
ES (1) ES2379301T3 (en)
MX (1) MX2009011825A (en)
PL (1) PL2139804T3 (en)
WO (1) WO2008134783A1 (en)

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AU2008247290A1 (en) 2008-11-13
MX2009011825A (en) 2009-11-18
BRPI0811075B1 (en) 2019-07-09
WO2008134783A1 (en) 2008-11-13
US20100078403A1 (en) 2010-04-01
AU2008247290B2 (en) 2013-07-25
JP2010526001A (en) 2010-07-29
DK2139804T3 (en) 2012-03-26
CN101674998B (en) 2012-09-05
CN101674998A (en) 2010-03-17
CA2685881C (en) 2012-08-07
EP2139804A1 (en) 2010-01-06
KR20100015920A (en) 2010-02-12
CA2685881A1 (en) 2008-11-13
BRPI0811075A2 (en) 2014-12-09
PL2139804T3 (en) 2012-05-31
ATE537103T1 (en) 2011-12-15
ES2379301T3 (en) 2012-04-24
AT10273U1 (en) 2008-12-15
US8113363B2 (en) 2012-02-14

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