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EP1518819B1 - Multifunction lever and operating unit for an industrial truck - Google Patents

Multifunction lever and operating unit for an industrial truck Download PDF

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Publication number
EP1518819B1
EP1518819B1 EP04020681A EP04020681A EP1518819B1 EP 1518819 B1 EP1518819 B1 EP 1518819B1 EP 04020681 A EP04020681 A EP 04020681A EP 04020681 A EP04020681 A EP 04020681A EP 1518819 B1 EP1518819 B1 EP 1518819B1
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EP
European Patent Office
Prior art keywords
industrial truck
handle element
manner
truck according
truck
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.)
Expired - Lifetime
Application number
EP04020681A
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German (de)
French (fr)
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EP1518819A3 (en
EP1518819A2 (en
Inventor
Marek Szymanski
Roland Dr. Tiedemann
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STILL GmbH
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STILL GmbH
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Publication date
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Publication of EP1518819A2 publication Critical patent/EP1518819A2/en
Publication of EP1518819A3 publication Critical patent/EP1518819A3/en
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Publication of EP1518819B1 publication Critical patent/EP1518819B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G9/04737—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks with six degrees of freedom

Definitions

  • the invention relates to a truck with a multi-function lever, wherein the multi-function lever has a handle member which is movably mounted on a base body, and a sensor for detecting the movements of the grip member relative to the base body.
  • the invention also relates to an operating unit for an industrial truck, wherein the operating unit has a multi-function lever with a first handle element, which is movably mounted on a base body.
  • a plurality of individual levers or a multi-function lever are provided for operating the numerous functions of a truck by the operator.
  • Prior art multi-function levers typically have a handle that can be tilted about a transverse axis and about a longitudinal axis of the truck.
  • a plurality of fingers operable switch are arranged on the handle.
  • the functions that can be controlled with a multi-function lever are usually the vertical movement of a load handler, the tilting of the load handler and the lateral displacement of the load handler.
  • the direction of travel of the truck can also be specified with some multi-function levers.
  • the invention is therefore based on the object to provide an industrial truck with a multi-function lever available in which the majority of the functions of the truck can be operated obvious.
  • the gripping element is rotatable about at least two coordinate axes and translationally in the direction of at least one coordinate axis relative to the base body, wherein at a translational Movement of the handle member in the direction of the vertical coordinate axis, a signal for the vertical movement of a lifting device is generated.
  • the handle element can thus be moved in different directions rotationally and translationally.
  • each rotational and translational movement of the gripping element is associated with a specific function of the industrial truck.
  • the sensor contained in the multi-function lever detects the movement of the grip element and generates a corresponding control signal.
  • the simultaneous operation by mechanical and / or electronic means to prevent at least partially.
  • the grip element is rotatable about three coordinate axes relative to the base body. A rotational movement of the grip element is thus possible about a transverse axis of the industrial truck, about a longitudinal axis of the industrial truck and about a vertical axis.
  • the gripping element is movable relative to the base body in the directions of at least two coordinate axes, preferably in the direction of three coordinate axes.
  • the gripping element can then be moved translationally in the direction of a longitudinal axis of the industrial truck, in the direction of a transverse axis of the industrial truck and in the direction of a vertical axis.
  • the coordinate axes belong to a rectangular coordinate system.
  • the said longitudinal axis, transverse axis and vertical axis are each perpendicular to each other.
  • the body is part of an armrest of the truck.
  • the multi-function lever is thereby integrated into an armrest arranged in the region of a driver's seat.
  • the handle member may then be moved by the operator relative to the body while the operator's arm is supported on the armrest.
  • the senor is designed in such a way that, in the case of a translatory movement of the gripping element in the direction of the coordinate axis extending in the transverse direction of the industrial truck, a signal for the lateral displacement of a load-receiving means is generated.
  • a signal for the lateral displacement of a load-receiving means is generated.
  • the senor is designed such that a signal for tilting a lifting device is generated in a rotational movement of the handle member about the coordinate axis extending in the transverse direction of the truck. Tilting of the grip element about a transverse axis of the truck thus causes a noticeable tilting of the lifting device, also about a transverse axis of the truck.
  • the tilting of the load-carrying means depending on the type of truck, either relative to the mast or together with the mast relative to a frame of the truck.
  • the senor is embodied such that during a rotational movement of the gripping element about the coordinate axis extending in the longitudinal direction of the industrial truck, a signal for rotating a load-handling device is generated about an axis oriented essentially in the longitudinal direction of the industrial truck.
  • a rotation about a longitudinal direction of the truck is possible, for example, when designed as a bale or drum clamp load handling equipment.
  • a load-holding device is provided in certain types of load-handling devices, such as bale or Fassklammem.
  • a particular advantage is obtained if the sensor is embodied such that a signal for determining the direction of travel of the industrial truck is generated during a translatory movement of the gripping element in the direction of the coordinate axis extending in the longitudinal direction of the industrial truck.
  • a signal for determining the direction of travel of the industrial truck is generated during a translatory movement of the gripping element in the direction of the coordinate axis extending in the longitudinal direction of the industrial truck.
  • a further operating lever is arranged with a second handle element, which is movable in the longitudinal direction of the truck and which is associated with a signal generator for determining the direction of travel of the truck.
  • the operating lever with the second handle element is thus actuated independently of the multi-function lever and is used exclusively for determining the direction of travel of the truck.
  • the second handle member may be either rotationally movable about a transverse axis of the truck or translationally in the longitudinal direction of the truck in order to allow a meaningful operation of the handle member in the direction of the desired direction of travel.
  • FIG. 1 shows a designed as a forklift truck in a schematic representation.
  • a vehicle frame 1 an aligned in the vehicle longitudinal direction driver's seat 2, arranged in front of the driver's seat 2 mast 3 and along the mast vertically movable load-carrying means 4.
  • the driver's seat is assigned an operating unit 5 for various functions of the truck, in particular of the lifting device. 4
  • the movement directions associated with the functions of the industrial truck are described below on the basis of the drawn rectangular coordinate system.
  • the coordinate axis x corresponds to the longitudinal direction of the truck, the coordinate axis y of the transverse direction of the truck and the coordinate axis z a vertical direction.
  • FIG. 2 an inventive multi-function lever is shown.
  • a base body 10 of the multi-function lever is part of a driver's seat 2 associated armrest 11.
  • a handle member 12 of the multi-function lever can be moved relative to the main body 10 in the direction of all three coordinate axes x, y, z and rotationally also about all three coordinate axes x, y, z ,
  • the coordinate system of the multi-function lever corresponds at least approximately to the coordinate system of the truck according to Fig. 1 ,
  • the movements of the handle member 12 other or other functions can be assigned.
  • the grip element can be arbitrarily shaped, for example, according to ergonomic considerations.
  • FIG. 3 is an operating unit according to the invention with a multi-function lever, according to the in Fig. 1 and a further operating lever 13 for determining the direction of travel of the truck.
  • the direction of travel can not then be controlled by moving the handle member 12 of the multi-function lever.
  • the second grip element 14 can be pivoted forwardly or rearwardly from the illustrated neutral position about the transverse axis y of the industrial truck, as a result of which the traction drive of the industrial truck is switched to forward travel or reverse travel.
  • the arrangement of the operating lever 13 directly next to the multi-function lever proves to be ergonomically favorable, since a quick grasping is possible.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Mechanical Control Devices (AREA)

Abstract

The multifunction lever for an industrial truck has a gripping element (12) movably mounted on a base component (10), and a sensor to record the movements of the gripping element relative to the base component. The gripping element is movable rotationally around at least two and possibly three coordinate axes and translationally in the direction of at least one coordinate axis and preferably in the direction of three coordinate axes. The base component is a part of the vehicle's armrest (11). An independent claim is included for an operating unit for an industrial truck which has the aforesaid multifunction lever.

Description

Die Erfindung betrifft ein Flurförderzeug mit einem Multifunktionshebel, wobei der Multifunktionshebel ein Griffelement, das bewegbar an einem Grundkörper gelagert ist, sowie einen Sensor zum Erfassen der Bewegungen des Griffelements relativ zu dem Grundkörper aufweist. Ebenfalls betrifft die Erfindung eine Bedieneinheit für ein Flurförderzeug, wobei die Bedieneinheit einen Multifunktionshebel mit einem ersten Griffelement aufweist, das bewegbar an einem Grundkörper gelagert ist.The invention relates to a truck with a multi-function lever, wherein the multi-function lever has a handle member which is movably mounted on a base body, and a sensor for detecting the movements of the grip member relative to the base body. The invention also relates to an operating unit for an industrial truck, wherein the operating unit has a multi-function lever with a first handle element, which is movably mounted on a base body.

Ein Flurförderzeug gemäβ dem Oberbegriff des Anspruchs 1 aus der GB 2 325 211 A bekannt.An industrial truck according to the preamble of claim 1 of the GB 2 325 211 A known.

Ein ähnlicher Multifunktionshebel, der für den Einsatz in einem Flugzeug vorgesehen ist, ist in der EP 0 363 739 A1 beschrieben.A similar multi-function lever, which is intended for use in an aircraft, is in the EP 0 363 739 A1 described.

Üblicherweise sind zum Bedienen der zahlreichen Funktionen eines Flurförderzeugs durch die Bedienperson entweder mehrere Einzelhebel oder ein Multifunktionshebel vorgesehen. Multifunktionshebel des Standes der Technik weisen in der Regel einen Handgriff auf, der um eine Querachse und um eine Längsachse des Flurförderzeugs geneigt werden kann. Zusätzlich sind an dem Handgriff noch mehrere mit den Fingern betätigbare Schalter angeordnet. Bei den Funktionen, die mit einem Multifunktionshebel gesteuert werden können, handelt es sich in der Regel um das vertikale Bewegen eines Lastaufnahmemittels, das Neigen des Lastaufnahmemittels und das seitliche Verschieben des Lastaufnahmemittels. Zusätzlich kann mit manchen Multifunktionshebeln auch die Fahrtrichtung des Flurförderzeugs vorgegeben werden.Usually, either a plurality of individual levers or a multi-function lever are provided for operating the numerous functions of a truck by the operator. Prior art multi-function levers typically have a handle that can be tilted about a transverse axis and about a longitudinal axis of the truck. In addition, a plurality of fingers operable switch are arranged on the handle. The functions that can be controlled with a multi-function lever are usually the vertical movement of a load handler, the tilting of the load handler and the lateral displacement of the load handler. In addition, the direction of travel of the truck can also be specified with some multi-function levers.

Bekannte Multifunktionshebel und Bedieneinheiten haben den Nachteil, dass die Bewegungsrichtungen des Handgriffs des Multifunktionshebels oder der daran angeordneten Bedienelemente häufig nicht sinnfällig den zu steuernden Funktionen des Flurförderzeugs entsprechen. Dies erschwert insbesondere für ungeübte Fahrer das Bedienen des Flurförderzeugs und begünstigt Fehlbedienungen.Known multi-function lever and control units have the disadvantage that the directions of movement of the handle of the multi-function lever or the controls arranged thereon often not obvious match the functions to be controlled of the truck. This makes it more difficult for inexperienced drivers to operate the truck and favors incorrect operation.

Der Erfindung liegt daher die Aufgabe zu Grunde, ein Flurförderzeug mit einem Multifunktionshebel zur Verfügung zu stellen, bei denen die Mehrzahl der Funktionen des Flurförderzeugs sinnfällig betätigt werden können.The invention is therefore based on the object to provide an industrial truck with a multi-function lever available in which the majority of the functions of the truck can be operated obvious.

Diese Aufgabe wird dadurch gelöst, dass das Griffelement relativ zu dem Grundkörper rotatorisch um mindestens zwei Koordinatenachsen und translatorisch in Richtung mindestens einer Koordinatenachse bewegbar ist, wobei bei einer translatorischen Bewegung des Griffelements in Richtung der vertikalen Koordinatenachse ein Signal für die vertikale Bewegung eines Lastaufnahmemittels erzeugt wird. Das Griffelement kann damit in verschiedene Richtungen rotatorisch und translatorisch bewegt werden. Dabei ist jeder rotatorischen und jeder translatorischen Bewegung des Griffelements eine bestimmte Funktion des Flurförderzeugs zugeordnet. Der in dem Multifunktionshebel enthaltene Sensor erfasst die Bewegung des Griffelements und erzeugt ein entsprechendes Steuersignal. Grundsätzlich ist es möglich, das Griffelement translatorisch und/oder rotatorisch gleichzeitig in mehrere Richtung zu bewegen, um gleichzeitig verschiedene Funktionen des Flurförderzeugs ansteuern zu können. Um die Betriebssicherheit des Flurförderzeugs jederzeit zu gewährleisten, ist es möglich die gleichzeitige Bedienbarkeit durch mechanische und/oder elektronische Mittel zumindest teilweise zu verhindern. Durch eine vertikale Bewegung des Griffelements kann sinnfällig eine vertikale Bewegung des Lastaufnahmemittels gesteuert werden.This object is achieved in that the gripping element is rotatable about at least two coordinate axes and translationally in the direction of at least one coordinate axis relative to the base body, wherein at a translational Movement of the handle member in the direction of the vertical coordinate axis, a signal for the vertical movement of a lifting device is generated. The handle element can thus be moved in different directions rotationally and translationally. In this case, each rotational and translational movement of the gripping element is associated with a specific function of the industrial truck. The sensor contained in the multi-function lever detects the movement of the grip element and generates a corresponding control signal. In principle, it is possible to move the handle element translationally and / or rotationally simultaneously in several directions in order to be able to simultaneously control different functions of the industrial truck. In order to ensure the reliability of the truck at any time, it is possible the simultaneous operation by mechanical and / or electronic means to prevent at least partially. By a vertical movement of the handle element can be clearly controlled a vertical movement of the lifting device.

Zweckmäßigerweise ist das Griffelement relativ zu dem Grundkörper rotatorisch um drei Koordinatenachsen bewegbar. Eine rotatorische Bewegung des Griffelements ist damit um eine Querachse des Flurförderzeug, um eine Längsachse des Flurförderzeugs und um eine vertikale Achse möglich.Conveniently, the grip element is rotatable about three coordinate axes relative to the base body. A rotational movement of the grip element is thus possible about a transverse axis of the industrial truck, about a longitudinal axis of the industrial truck and about a vertical axis.

Darüber hinaus ist das Griffelement relativ zu dem Grundkörper translatorisch in Richtungen mindestens zweier Koordinatenachsen, vorzugsweise in Richtung dreier Koordinatenachsen bewegbar. Das Griffelement kann dann translatorisch in Richtung einer Längsachse des Flurförderzeugs, in Richtung einer Querachse des Flurförderzeugs und in Richtung einer vertikalen Achse bewegt werden.In addition, the gripping element is movable relative to the base body in the directions of at least two coordinate axes, preferably in the direction of three coordinate axes. The gripping element can then be moved translationally in the direction of a longitudinal axis of the industrial truck, in the direction of a transverse axis of the industrial truck and in the direction of a vertical axis.

Hierbei ist es zweckmäßig, wenn die Koordinatenachsen einem rechtwinkligen Koordinatensystem angehören. Die genannte Längsachse, Querachse und vertikale Achse stehen dabei jeweils senkrecht aufeinander.It is useful if the coordinate axes belong to a rectangular coordinate system. The said longitudinal axis, transverse axis and vertical axis are each perpendicular to each other.

Mit besonderem Vorteil ist der Grundkörper Teil einer Armlehne des Flurförderzeugs. Der Multifunktionshebel ist dadurch in eine im Bereich eines Fahrersitzes angeordnete Armlehne integriert. Das Griffelement kann dann von der Bedienperson relativ zu dem Grundkörper bewegt werden, während der Arm der Bedienperson auf der Armlehne abgestützt ist.With particular advantage, the body is part of an armrest of the truck. The multi-function lever is thereby integrated into an armrest arranged in the region of a driver's seat. The handle member may then be moved by the operator relative to the body while the operator's arm is supported on the armrest.

Ebenso vorteilhaft ist es, wenn der Sensor derart ausgeführt ist, dass bei einer translatorischen Bewegung des Griffelements in Richtung der sich in Querrichtung des Flurförderzeugs erstreckenden Koordinatenachse ein Signal für das seitliche Verschieben eines Lastaufnahmemittels erzeugt wird. Durch horizontales Bewegen des Griffelements in Querrichtung des Flurförderzeugs kann damit sinnfällig ein horizontales Verschieben des Lastaufnahmemittels, ebenfalls in Querrichtung des Flurförderzeugs gesteuert werden. Das horizontale Verschieben des Lastaufnahmemittels erfolgt mittels eines sogenannten Seitenschiebers relativ zu einem Hubgerüst.It is equally advantageous if the sensor is designed in such a way that, in the case of a translatory movement of the gripping element in the direction of the coordinate axis extending in the transverse direction of the industrial truck, a signal for the lateral displacement of a load-receiving means is generated. By horizontally moving the gripping element in the transverse direction of the truck can so obviously a horizontal displacement of the lifting device, also be controlled in the transverse direction of the truck. The horizontal displacement of the load receiving means by means of a so-called sideshifter relative to a mast.

Weiter ist der Sensor derart ausgeführt, dass bei einer rotatorischen Bewegung des Griffelements um die sich in Querrichtung des Flurförderzeugs erstreckende Koordinatenachse ein Signal für das Neigen eines Lastaufnahmemittels erzeugt wird. Ein Neigen des Griffelements um eine Querachse des Flurförderzeugs bewirkt damit sinnfällig ein Neigen des Lastaufnahmemittels, ebenfalls um eine Querachse des Flurförderzeugs. Das Neigen des Lastaufnahmemittels erfolgt, abhängig vom Typ des Flurförderzeugs, entweder relativ zu dem Hubgerüst oder gemeinsam mit dem Hubgerüst relativ zu einem Rahmen des Flurförderzeugs.Further, the sensor is designed such that a signal for tilting a lifting device is generated in a rotational movement of the handle member about the coordinate axis extending in the transverse direction of the truck. Tilting of the grip element about a transverse axis of the truck thus causes a noticeable tilting of the lifting device, also about a transverse axis of the truck. The tilting of the load-carrying means, depending on the type of truck, either relative to the mast or together with the mast relative to a frame of the truck.

Vorteilhaft ist es weiterhin, wenn der Sensor derart ausgeführt ist, dass bei einer rotatorischen Bewegung des Griffelements um die sich in Längsrichtung des Flurförderzeugs erstreckende Koordinatenachse ein Signal für das Drehen eines Lastaufnahmemittels um eine im Wesentlichen in Längsrichtung des Flurförderzeugs ausgerichtete Achse erzeugt wird. Ein Drehen um eine Längsrichtung des Flurförderzeugs ist beispielsweise bei als Ballen- oder Fassklammer ausgeführten Lastaufnahmemitteln möglich.It is furthermore advantageous if the sensor is embodied such that during a rotational movement of the gripping element about the coordinate axis extending in the longitudinal direction of the industrial truck, a signal for rotating a load-handling device is generated about an axis oriented essentially in the longitudinal direction of the industrial truck. A rotation about a longitudinal direction of the truck is possible, for example, when designed as a bale or drum clamp load handling equipment.

Weitere Vorteile ergeben sich, wenn der Sensor derart ausgeführt ist, dass bei einer rotatorischen Bewegung des Griffelements um die vertikale Koordinatenachse ein Signal für das Öffnen oder Schließen einer Lasthaltevorrichtung erzeugt wird. Eine Lasthaltevorrichtung ist bei bestimmten Typen von Lastaufnahmemitteln, wie z.B. Ballen- oder Fassklammem vorgesehen.Further advantages result if the sensor is designed in such a way that a signal for the opening or closing of a load-holding device is generated when the gripping element rotates about the vertical coordinate axis. A load-holding device is provided in certain types of load-handling devices, such as bale or Fassklammem.

Ein besonderer Vorteil ergibt sich, wenn der Sensor derart ausgeführt ist, dass bei einer translatorischen Bewegung des Griffelements in Richtung der sich in Längsrichtung des Flurförderzeugs erstreckenden Koordinatenachse ein Signal zum Bestimmen der Fahrtrichtung des Flurförderzeugs erzeugt wird. Durch translatorisches Bewegen des Griffelements in Flurförderzeuglängsrichtung kann damit in sinnfälliger Weise die Fahrtrichtung des Flurförderzeugs zwischen Vorwärtsfahrt und Rückwärtsfahrt umgeschaltet werden.A particular advantage is obtained if the sensor is embodied such that a signal for determining the direction of travel of the industrial truck is generated during a translatory movement of the gripping element in the direction of the coordinate axis extending in the longitudinal direction of the industrial truck. By translational movement of the handle element in the truck longitudinal direction can thus be switched over in meaningful way the direction of travel of the truck between forward drive and reverse drive.

Weiter ist es zweckmäßig, wenn neben dem Multifunktionshebel ein weiterer Bedienhebel mit einem zweiten Griffelement angeordnet ist, welches in Längsrichtung des Flurförderzeugs bewegbar ist und dem ein Signalgeber zum Bestimmen der Fahrtrichtung des Flurförderzeugs zugeordnet ist. Der Bedienhebel mit dem zweiten Griffelement ist damit unabhängig von dem Multifunktionshebel betätigbar und dient ausschließlich zum Bestimmen der Fahrtrichtung des Flurförderzeugs. Das zweite Griffelement kann dabei entweder rotatorisch um eine Querachse des Flurförderzeugs oder translatorisch in Längsrichtung des Flurförderzeugs bewegbar sein, um eine sinnfällige Betätigung des Griffelements in Richtung der gewünschten Fahrtrichtung zu ermöglichen.Further, it is expedient if, in addition to the multi-function lever, a further operating lever is arranged with a second handle element, which is movable in the longitudinal direction of the truck and which is associated with a signal generator for determining the direction of travel of the truck. The operating lever with the second handle element is thus actuated independently of the multi-function lever and is used exclusively for determining the direction of travel of the truck. The second handle member may be either rotationally movable about a transverse axis of the truck or translationally in the longitudinal direction of the truck in order to allow a meaningful operation of the handle member in the direction of the desired direction of travel.

Die oben beschriebenen Zuordnungen der Funktionen des Flurförderzeugs zu den Bewegungsrichtungen des Griffelements ist insbesondere bei Flurförderzeugen sinnfällig, bei denen der Fahrersitz in Längsrichtung des Flurförderzeugs ausgerichtet ist und das Lastaufnahmemittel vor dem Fahrersitz angeordnet ist. Dies ist insbesondere bei Gegengewichtsgabelstaplern der Fall. Bei Flurförderzeugen mit in Querrichtung ausgerichtetem Fahrerplatz kann eine entsprechende sinnfällige Zuordnung gefunden werden.The above-described assignments of the functions of the truck to the directions of movement of the handle member is particularly obvious in industrial trucks, in which the driver's seat is aligned in the longitudinal direction of the truck and the load-carrying means is arranged in front of the driver's seat. This is especially the case with counterbalanced forklifts. In the case of industrial trucks with a transversely oriented driver's seat, a corresponding meaningful assignment can be found.

Fehlbedienungen können weitgehend verhindert werden, wenn das zweite Griffelement ausschließlich in Längsrichtung des Flurförderzeugs oder ausschließlich um eine Querachse des Flurförderzeugs bewegbar ist.Incorrect operations can be largely prevented if the second grip element is movable only in the longitudinal direction of the truck or only about a transverse axis of the truck.

Wenn das zweite Griffelement unmittelbar neben dem ersten Griffelement angeordnet ist, derart, dass beide Griffelemente mit unveränderter Armhaltung durch eine Bedienperson betätigbar sind, ist ein besonders schnelles Umgreifen zwischen dem ersten und zweiten Griffelement, oder sogar ein gleichzeitiges Betätigen möglich.When the second grip element is arranged directly next to the first grip element, such that both grip elements with unchanged arm posture by a Operator can be actuated, a particularly fast embrace between the first and second handle member, or even a simultaneous operation is possible.

Weitere Vorteile und Einzelheiten der Erfindung werden anhand der in den schematischen Figuren dargestellten Ausführungsbeispiele näher erläutert. Dabei zeigt

Figur 1
ein als Gabelstapler ausgeführtes Flurförderzeug,
Figur 2
einen erfindungsgemäßen Multifunktionshebel,
Figur 3
eine erfindungsgemäße Bedieneinheit.
Further advantages and details of the invention will be explained in more detail with reference to the embodiments illustrated in the schematic figures. It shows
FIG. 1
a truck designed as a forklift,
FIG. 2
a multi-function lever according to the invention,
FIG. 3
an operating unit according to the invention.

Figur 1 zeigt ein als Gabelstapler ausgeführtes Flurförderzeug in schematischer Darstellung. Zu erkennen sind ein Fahrzeugrahmen 1, ein in Fahrzeuglängsrichtung ausgerichteter Fahrersitz 2, ein vor dem Fahrersitz 2 angeordnetes Hubgerüst 3 und ein entlang des Hubgerüsts vertikal bewegbares Lastaufnahmemittel 4. Dem Fahrersitz zugeordnet ist eine Bedieneinheit 5 für verschiedene Funktionen des Flurförderzeugs, insbesondere des Lastaufnahmemittels 4. Die den Funktionen des Flurförderzeugs zugeordneten Bewegungsrichtungen werden im Folgenden anhand des eingezeichneten rechtwinkligen Koordinatensystems beschrieben. Dabei entspricht die Koordinatenachse x der Längsrichtung des Flurförderzeugs, die Koordinatenachse y der Querrichtung des Flurförderzeugs und die Koordinatenachse z einer vertikalen Richtung. FIG. 1 shows a designed as a forklift truck in a schematic representation. Evident are a vehicle frame 1, an aligned in the vehicle longitudinal direction driver's seat 2, arranged in front of the driver's seat 2 mast 3 and along the mast vertically movable load-carrying means 4. The driver's seat is assigned an operating unit 5 for various functions of the truck, in particular of the lifting device. 4 The movement directions associated with the functions of the industrial truck are described below on the basis of the drawn rectangular coordinate system. The coordinate axis x corresponds to the longitudinal direction of the truck, the coordinate axis y of the transverse direction of the truck and the coordinate axis z a vertical direction.

In Figur 2 ist ein erfindungsgemäßer Mulifunktionshebel dargestellt. Ein Grundkörper 10 des Multifunktionshebels ist Bestandteil einer dem Fahrersitz 2 zugeordneten Armlehne 11. Ein Griffelement 12 des Multifunktionshebel kann relativ zu dem Grundkörper 10 in Richtung aller drei Koordinatenachsen x, y, z und rotatorisch ebenfalls um alle drei Koordinatenachsen x, y, z bewegt werden. Das Koordinatensystem des Multifunktionshebels entspricht dabei zumindest annähernd dem Koordinatensystem des Flurförderzeugs gemäß Fig. 1.In FIG. 2 an inventive multi-function lever is shown. A base body 10 of the multi-function lever is part of a driver's seat 2 associated armrest 11. A handle member 12 of the multi-function lever can be moved relative to the main body 10 in the direction of all three coordinate axes x, y, z and rotationally also about all three coordinate axes x, y, z , The coordinate system of the multi-function lever corresponds at least approximately to the coordinate system of the truck according to Fig. 1 ,

Den verschiedenen Bewegungsrichtungen des Griffelements 12 sind dabei folgende Funktionen des Flurförderzeugs zugeordnet:

  • Bewegen des Griffelements 12 in z-Richtung: Heben oder Senken des Lastaufnahmemittels 4 in z-Richtung;
  • Drehen des Griffelements 12 um die y-Achse: Neigen des Lastaufnahmemittels 4 oder des Hubgerüsts 3 um die y-Achse;
  • Drehen des Griffelements 12 um die x-Achse: Drehen eines beispielsweise als Rollenklammer ausgeführten Lastaufnahmemittels 4 um die x-Achse;
  • Bewegen des Griffelements in y-Richtung: Verschieben des Lastaufnahmemittels 4 in y-Richtung;
  • Drehen des Griffelements 12 um die z-Achse: Öffnen oder Schließen eines beispielsweise als Rollenklammer ausgeführten Lastaufnahmemittels;
  • Bewegen des Griffelements 12 in x-Richtung: Festlegen der Fahrtrichtung des Flurförderzeugs in Vorwärts- bzw. Rückwärtsrichtung.
The various directions of movement of the grip element 12 are assigned the following functions of the truck:
  • Moving the grip element 12 in the z-direction: lifting or lowering the load-receiving means 4 in the z-direction;
  • Rotating the grip member 12 about the y-axis: tilting the load-bearing means 4 or the mast 3 about the y-axis;
  • Turning the grip element 12 about the x-axis: turning a load-bearing means 4, for example designed as a roller clamp, about the x-axis;
  • Moving the grip element in the y-direction: shifting the load-bearing device 4 in the y-direction;
  • Rotating the grip element 12 about the z-axis: opening or closing of a lifting device, for example designed as a roller clamp;
  • Moving the grip element 12 in the x-direction: Determining the direction of travel of the truck in the forward or backward direction.

Bei anderen Ausführungen und Ausstattungen des Flurförderzeugs können den Bewegungen des Griffelements 12 weitere oder andere Funktionen zugeordnet werden. Darüber hinaus kann das Griffelement beliebig, beispielsweise nach ergonomischen Gesichtspunkten geformt sein.In other designs and equipment of the truck, the movements of the handle member 12 other or other functions can be assigned. In addition, the grip element can be arbitrarily shaped, for example, according to ergonomic considerations.

In Figur 3 ist eine erfindungsgemäße Bedieneinheit mit einem Multifunktionshebel, entsprechend dem in Fig. 1 dargestellten und einem weiteren Bedienhebel 13 zum festlegen der Fahrtrichtung des Flurförderzeugs. Im Unterschied zu der Anordnung gemäß Fig. 1 kann die Fahrtrichtung dann nicht durch Bewegen des Griffelements 12 des Multifunktionshebels gesteuert werden. Zur Bedienung des Flurförderzeugs ist damit ein erstes Griffelement 12 an dem Multifunktionshebel und ein zweites Griffelement 14 an dem Bedienhebel 13 für die Fahrtrichtung vorgesehen. Das zweite Griffelement 14 kann ausgehend von der dargestellten Neutralstellung um die Querachse y des Flurförderzeugs nach vorne oder nach hinten geschwenkt werden, wodurch der Fahrantrieb des Flurförderzeugs auf Vorwärtsfahrt bzw. auf Rückwärtsfahrt geschaltet wird. Die Anordnung des Bedienhebels 13 direkt neben dem Multifunktionshebel erweist sich als ergonomisch günstig, da dadurch ein schnelles Umgreifen ermöglicht wird.In FIG. 3 is an operating unit according to the invention with a multi-function lever, according to the in Fig. 1 and a further operating lever 13 for determining the direction of travel of the truck. In contrast to the arrangement according to Fig. 1 the direction of travel can not then be controlled by moving the handle member 12 of the multi-function lever. To operate the truck so that a first handle member 12 is provided on the multi-function lever and a second handle member 14 on the operating lever 13 for the direction of travel. The second grip element 14 can be pivoted forwardly or rearwardly from the illustrated neutral position about the transverse axis y of the industrial truck, as a result of which the traction drive of the industrial truck is switched to forward travel or reverse travel. The arrangement of the operating lever 13 directly next to the multi-function lever proves to be ergonomically favorable, since a quick grasping is possible.

Claims (13)

  1. Industrial truck with a multifunction lever, wherein the multifunction lever has a handle element (12), which is mounted movably on a basic body (10), and a sensor for detecting the movements of the handle element (12) relative to the basic body (10), characterized in that the handle element (12) is movable relative to the basic body (10) in a rotatory manner about at least two coordinate axes and in a translatory manner in the direction of at least one coordinate axis, and in that the sensor is designed in such a manner that, upon a translatory movement of the handle element (12) in the direction of the vertical coordinate axis (z), a signal for the vertical movement of a load pickup means (4) is generated.
  2. Industrial truck according to Claim 1, characterized in that the handle element (12) is movable relative to the basic body (10) in a rotatory manner about three coordinate axes.
  3. Industrial truck according to Claim 1 or 2, characterized in that the handle element (12) is movable relative to the basic body (10) in a translatory manner in the directions of at least two coordinate axes, preferably in the direction of three coordinate axes.
  4. Industrial truck according to one of Claims 1 to 3, characterized in that the coordinate axes belong to a right-angled coordinate system.
  5. Industrial truck according to one of Claims 1 to 4, characterized in that the basic body (10) is part of an armrest (11) of the industrial truck.
  6. Industrial truck according to one of Claims 1 to 5, characterized in that the sensor is designed in such a manner that, upon a translatoryy movement of the handle element (12) in the direction of the coordinate axis (y) extending in the transverse direction of the industrial truck, a signal for the lateral displacement of a load pickup means (4) is generated.
  7. Industrial truck according to one of Claims 1 to 6, characterized in that the sensor is designed in such a manner that, upon a rotatory movement of the handle element (12) about the coordinate axis (y) extending in the transverse direction of the industrial truck, a signal for the inclination of a load pickup means (4) is generated.
  8. Industrial truck according to one of Claims 1 to 7, characterized in that the sensor is designed in such a manner that, upon a rotatory movement of the handle element (12) about the coordinate axis (x) extending in the longitudinal direction of the industrial truck, a signal for the rotation of a load pickup means (4) about an axis oriented substantially in the longitudinal direction of the industrial truck is generated.
  9. Industrial truck according to one of Claims 1 to 8, characterized in that the sensor is designed in such a manner that, upon a rotatory movement of the handle element (12) about the vertical coordinate axis (z), a signal for the opening or closing of a load-holding device is generated.
  10. Industrial truck according to one of Claims 1 to 9, characterized in that the sensor is designed in such a manner that, upon a translatory movement of the handle element (12) in the direction of the coordinate axis (x) extending in the longitudinal direction of the industrial truck, a signal for determining the direction of travel of the industrial truck is generated.
  11. Industrial truck according to one of Claims 1 to 10, characterized in that the multifunction lever is part of an operating unit and has a first handle element (12) which is mounted movably on a basic body (10), a further operating lever being arranged next to the multifunction lever and having a second handle element (14) which is movable in the longitudinal direction of the industrial truck and which is assigned a signal transmitter for determining the direction of travel of the industrial truck.
  12. Industrial truck according to Claim 11, characterized in that the second handle element (14) is movable exclusively in the longitudinal direction of the industrial truck.
  13. Industrial truck according to Claim 11 or 12, characterized in that the second handle element (14) is arranged directly next to the first handle element (12) such that both handle elements (12, 14) are actuable by an operator without changing the arm position.
EP04020681A 2003-09-23 2004-08-31 Multifunction lever and operating unit for an industrial truck Expired - Lifetime EP1518819B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10344029 2003-09-23
DE10344029A DE10344029A1 (en) 2003-09-23 2003-09-23 Multifunction lever and operating unit for a truck

Publications (3)

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EP1518819A2 EP1518819A2 (en) 2005-03-30
EP1518819A3 EP1518819A3 (en) 2006-02-08
EP1518819B1 true EP1518819B1 (en) 2011-05-11

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EP04020681A Expired - Lifetime EP1518819B1 (en) 2003-09-23 2004-08-31 Multifunction lever and operating unit for an industrial truck

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US (1) US20050257973A1 (en)
EP (1) EP1518819B1 (en)
AT (1) ATE508981T1 (en)
DE (1) DE10344029A1 (en)

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Also Published As

Publication number Publication date
ATE508981T1 (en) 2011-05-15
EP1518819A3 (en) 2006-02-08
US20050257973A1 (en) 2005-11-24
DE10344029A1 (en) 2005-04-14
EP1518819A2 (en) 2005-03-30

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