EP2518006B1 - Industrial truck with a driver protection roof - Google Patents

Industrial truck with a driver protection roof Download PDF

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Publication number
EP2518006B1
EP2518006B1 EP20120158764 EP12158764A EP2518006B1 EP 2518006 B1 EP2518006 B1 EP 2518006B1 EP 20120158764 EP20120158764 EP 20120158764 EP 12158764 A EP12158764 A EP 12158764A EP 2518006 B1 EP2518006 B1 EP 2518006B1
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EP
European Patent Office
Prior art keywords
driver
roof
vehicle body
industrial truck
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.)
Not-in-force
Application number
EP20120158764
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German (de)
French (fr)
Other versions
EP2518006A1 (en
Inventor
Matthais Klug
Christian Baerwolff
Jens Dwenger
Michael Arndt
Andreas Packeiser
Ansgar Bergmann
Sascha Jordan
Dr. Joachim Tödter
Michael Manske
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STILL GmbH
Original Assignee
STILL GmbH
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Publication date
Application filed by STILL GmbH filed Critical STILL GmbH
Publication of EP2518006A1 publication Critical patent/EP2518006A1/en
Application granted granted Critical
Publication of EP2518006B1 publication Critical patent/EP2518006B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B66F9/07545—Overhead guards

Definitions

  • the invention relates to an industrial truck with a vehicle body and a driver's workplace arranged within a driver's protection roof for an operator.
  • the operation is done by an operator located within the driver's workplace.
  • the operation can be done in standing as a stationary equipment trucks in standing posture of the operator.
  • generic trucks are known that can be operated both in a sedentary and in a standing posture by the operator.
  • the height of the driver's roof which limits the driver's workplace upwards and forms a protection against falling parts, is determined constructively by the operating position of the operator.
  • a generic truck is out of the DE 10 2007 049 392 A1 known. That from the DE 10 2007 049 392 A1 known truck is designed as a standalone unit, in which a driver's protection roof is located above the driver's workplace for the standing operator on a mast.
  • Generic trucks are mainly used as warehouse trucks for storage and retrieval of goods or for picking goods in a warehouse or in a rack system.
  • Forklifts used within warehouses or shelves usually have a battery-electric drive system in which a traction battery for supplying the load of the electric drive system in the vehicle body is present as an electrical energy source, in certain time intervals must be charged at charging stations or replaced at battery changing stations against a charged traction battery.
  • the present invention has for its object to provide an industrial truck of the type mentioned that has a reduced footprint when stopping in work breaks or when charging a traction battery to a charging station.
  • the driver's protection roof is arranged liftable and lowerable on the vehicle body, wherein the driver's roof can be lowered in the lowered position on the vehicle body.
  • the truck according to the invention it is thus possible to lower the driver's roof during work breaks or when charging a traction battery on the vehicle body, so that the overall height of the truck can be significantly reduced.
  • the truck according to the invention can be parked in a rack system in the bottom shelf of a shelf, for example, in a shelf or a bottom shelf of a shelf are designed as a battery charging station on which the traction battery of the invention Forklift can be charged, being directly above the vehicle body another compartment of the shelf with storage space for storing goods available stands and thus compared to generic trucks in a rack system additional storage space can be used. In a rack system or a warehouse thus a high space utilization by storage space can be achieved.
  • the truck according to an advantageous embodiment of the invention with driver's roof lowered to the vehicle body driverless, automated operation can be.
  • the truck according to the invention thus enables the driver's roof to be raised by an operator located inside the driver's workplace and, when the driver's sunroof has been lowered onto the vehicle body, to be operated by a driver-free roof which has been raised, driverless, automated operation.
  • a truck according to the invention in a racking system or a warehouse, therefore, further advantages are achieved, since the truck is universally applicable and can be operated without driverless and automated for standard tasks or on standard routes.
  • the truck Since the driver's protection roof descends downwards and lowers onto the vehicle body for the driverless, automated operation of the industrial truck according to the invention, the truck, which is operated according to the invention and operated in an automated manner, has a reduced, compact overall height. As a result, a view of the automatic, driverless operated truck is possible and in the warehouse or the rack system, being used in a mixed operation driverless trucks and operated by industrial trucks, the clarity increases.
  • the driver's roof can be raised and lowered by means of a drive device.
  • a quick change of the truck between the raised position and the lowered position with the driver's shelter can be achieved, so that the driver's roof in an inoperative position or a standby mode of the truck or a driverless operation of the truck preferably automatically in the lowered position can be retracted and only when an operator wants to operate the truck manually, the driver's roof extends into the raised position to provide the operator with sufficient space within the driver's workplace for a standing and / or sitting operating position.
  • operating elements for actuating the drive device and / or a traction drive of the industrial truck are arranged on the outer contour of the vehicle body.
  • controls for controlling the traction drive are present on the outer contour, it is also possible in a simple way to move the truck with retracted driver's roof, for example to park this in a shelf or at a battery charging station after leaving the driver's workplace and lowering the driver's roof or to turn off.
  • the driver's protection roof has an existing at least two vertical struts support structure, which are arranged on the vehicle body liftable and lowerable.
  • Such vertical struts make it possible in a simple manner to raise and lower the driver's roof in Hubmastartigen profiles or sections of the vehicle body.
  • the vertical struts in the vehicle transverse direction spaced from each other on the vehicle body are arranged raised and lowered, wherein the support structure of the driver's shelter roof comprises a vertical struts in the upper region connecting roof strut. If the vertical struts in the area of the vehicle outer sides are arranged liftably and lowerably on the vehicle body, the driver's workplace for the operator can be covered from above by appropriate shaping of the roof strut in order to protect the operator located within the driver's workplace against falling parts.
  • the construction cost of the truck according to the invention can be further reduced if the vertical columns of the driver's roof adjacent to the mast on the driver's roof are arranged.
  • the mast arranged on the vehicle body mast profiles of the mast of the mast they can also be used to guide the vertical struts of the driver's roof, so that the constructional effort for raising and lowering the driver's roof can be reduced.
  • the vertical struts and / or the roof strut of the support structure are formed like a truss.
  • the driver's protection roof can be made particularly lightweight and yet stable and rigid, so that the construction costs for the drive device for raising and lowering the driver's roof can be reduced and the raising and lowering of the driver's roof has low energy consumption.
  • the driver's shelter roof according to an expedient development of the invention comprises a transparent windshield and / or a transparent protective roof.
  • a protective roof can be covered in a simple way the driver's workplace up to protect the operator against falling parts.
  • a windscreen easily prevents an operator located in the driver's workplace from reaching with his hands in the direction of the mast of the lifting device.
  • the transparent front screen and / or the transparent protective roof are preferably arranged on the supporting structure.
  • the transparent protective roof is provided with extending in the vehicle transverse direction, integrated struts as a protective structure.
  • integrally formed cross struts in the transparent canopy the required stability against falling parts can be achieved with low weight of the canopy.
  • the weight of the raised and lowered driver's roof further optimized and be reduced to keep the construction costs and energy requirements for raising and lowering the driver's roof low.
  • transparent cross struts are thereby achieved on the canopy, which leads to an improved view of the located in the driver's workplace and looking at a raised load-carrying operator.
  • the operator's view of a raised load-handling device can be further optimized and improved if the transverse struts integrated in the protective roof are arranged inclined.
  • the inclination of the transverse struts makes it possible to arrange them in a viewing-optimized manner in oblique viewing direction of the operator located in the driver's workplace and looking at a raised load-receiving means.
  • the canopy and the windscreen are integrally formed.
  • an inventive truck 1 which comprises a vehicle body K forming drive part 2 and a load part 3, which is formed by a trained as a load lifting device 4.
  • the truck 1 can optionally be operated by an operator or operated in an unmanned automated operation.
  • the drive part 2 is provided with a liftable and lowerable arranged driver's roof 5.
  • the driver's roof 5 in a lowered and retracted to the vehicle body K position for unmanned automated operation.
  • the truck 1 in the in the FIG. 2 shown operating position in which within the raised driver's roof 5 a driver's workplace F is designed for an operator in the drive part 2 and the truck 1 can be operated by an operator.
  • a mast 6 for raising and lowering the load-receiving means 4 is arranged.
  • the mast 6 consists of two spaced apart in the vehicle transverse direction telescopic mast columns 6a, 6b.
  • the load-receiving means 4 designed as a load fork consists of two fork tines which are arranged on a fork carriage 7 which can be raised and lowered in the telescopic mast 6.
  • the forks can in this case be arranged hinged about a horizontal pivot axis 8, in particular be folded inwards by 90 °. The folding movement of the forks can be achieved by a drive device, not shown.
  • the truck 1 is designed as a battery-electrically operated truck, wherein on the second, the mast 6 opposite end portion of the drive part 2 in the FIG. 3 Traction battery 10 shown in more detail, for example, a lithium-ion battery is arranged.
  • the load-facing area of the drive part 2 - as in the FIG. 3 is shown in more detail - provided with close-to-wheels 9a.
  • at least one load-distant wheel 9b is arranged on the load-remote area of the drive part 2.
  • the off-load wheel 9b is designed as a steerable drive wheel, wherein the wheels close to the load 9a are formed as rollers.
  • the traction drive is formed by at least one electric traction motor.
  • traction battery 10 In the field of traction battery 10 is also a unit space for a working hydraulic unit, not shown, for supplying a lifting drive, formed by means of which the mast 6 arranged on the load-receiving means 4 and is movable up and down to supply possibly existing hydraulic auxiliary drives or additional consumer serves.
  • the arranged in the drive part 2 traction battery 10 also forms the load part 3 opposite counterweight 11 of the truck 1.
  • the traction battery 10 is preferably arranged in the transverse direction of the truck 1 and extends over the entire vehicle width.
  • an additional counterweight at the remote end of the drive part 2 can be arranged or formed.
  • the driver's workplace F formed with the driver's roof 5 raised for an operator is arranged between the load part 3 and the traction battery 10 acting as a counterweight 11 on the drive part 2 and comprises a platform platform 15 and a driver's seat 16. Entry and exit into the driver's workstation 5 can be formed by a arranged on a vehicle side door 17.
  • the driver's workplace F formed on the raised driver's protection roof 5 is bounded by a vertical boundary wall 18 arranged in the vehicle transverse direction and by the vehicle side opposite the door 17 by a vertical boundary wall 19 extending in the vehicle longitudinal direction.
  • the two boundary walls 18 and 19 are arranged adjacent to each other and merge into each other in a transition region.
  • the two boundary walls 18, 19 thus form a arranged in the vehicle body K side boundary 20 of the driver's workplace F at two aneinder adjacent sides.
  • the driver's seat 16 can be slidably disposed along the side boundary 20 formed by the two boundary walls 18, 19 and in the circumferential direction of the side boundary 20 of the driver's workplace F in order to allow the operator located in the driver's workplace different operating positions.
  • a linear guide means 25 For longitudinal displacement of the driver's seat 16 along the two boundary walls 18, 19, a linear guide means 25 is provided.
  • the linear guide means 25 has a on the side boundary 20 and thus the two boundary walls 18, 19 of the driver's workplace F arranged guide rail or curved path 26 on which the driver's seat 16 is arranged by means of a console 27 to achieve various operating positions for the operator slidably.
  • the console 27 is preferably located on one side of the driver's seat sixteenth
  • the driver's seat 16 is provided with a side armrest 30 on which one or more operating elements 31 are arranged.
  • an example designed as a joystick control element 31 is arranged on the armrest 30, with which the drive and / or the steering of the truck 1 can be controlled.
  • the driver's seat 16 is preferably designed as a so-called combination seat, which has the function of a seat for a seated operating position and the function of a standing aid for a standing operating position of the operator.
  • the driver's protection roof 5 is arranged on the vehicle body K of the drive part 2 liftable and lowered.
  • a drive device not shown, may be provided.
  • the driver's protection roof 5 In the lowered position for the driverless operation of the truck 1, the driver's protection roof 5 is located directly on the top of the vehicle body K and includes the inside of the drive part 2 formed, lower portion of the driver's workplace F above the side boundary 20 and the door 17 like a lid from above.
  • the driver's workplace F for the operator in the lower half of the vehicle body K of the drive part 2 and in the upper half of the raised driver's roof 5 is formed.
  • the raisable and lowerable driver's roof 5 has - as in the Figures 5 and 6 is shown in more detail - two substantially vertically arranged struts 5a, 5b, which are arranged in the vehicle body K and thus in the drive part 2 liftable and lowerable.
  • the two vertical struts 5a, 5b are spaced apart in the vehicle transverse direction and are arranged in the vehicle longitudinal direction immediately behind the corresponding mast columns 6a, 6b of the mast 6.
  • the arranged on the vehicle body K mast profiles of the fixed lowermost portion of the mast columns 6a, 6b in this case - as in the FIG.
  • the vertical struts 5 a, 5 b merge into a roof strut 5 c running horizontally in the west, which connects the two struts 5 a, 5 b arranged on the vehicle outer sides to one another.
  • the top strut 5c which is U-shaped and adapted to the floor plan of the vehicle body K, has in the vehicle longitudinal direction side sections which extend in the vehicle longitudinal direction and which are connected to one another in the region of the counterweight 11 with a rear-side, preferably curved transverse section.
  • the vertical struts 5a, 5b and the top strut 5c form a support structure for a transparent and transparent windshield 5e, which is arranged between the vertical columns 5a, 5b, and for a transparent and transparent shelter 5d, which corresponds to that of the U -shaped roof strut 5c spanned roof area fills.
  • the front screen 5e and the protective cover 5d are integrally formed.
  • the protective roof 5d and the front screen 5e may be made of glass or a suitable plastic.
  • the struts 5a, 5b , 5c of the support structure of the driver's roof 5 formed like a truss.
  • the driver's workplace F upwardly covering transparent canopy 5d is provided with a plurality of vehicle transverse direction extending struts 5f as a protective structure to provide high strength and effective protection against falling parts through the canopy 5d.
  • the protective roof 5d is for this purpose - as in particular in the FIGS. 7 and 8th is shown in more detail - provided at the top with extending in the vehicle transverse direction trough-like depressions 5g, which form the closed canopy 5d with a bottom portion and form the front and rear edges of the stiffening struts 5f.
  • the struts 5f are inclined relative to the vertical in the direction of the load receiving means 4 forward, so that the struts are aligned 5f facing in the direction of a located in the driver's workplace, looking up to a raised to the mast 6 load-carrying means 4 operator ,
  • the trough-like depressions 5g forming the struts 5f on the protective roof are provided with an enlarged depth T at the front region of the driver's protection roof 5 facing the load-receiving means 4 with an area facing the rear, the counterweight 11.
  • control elements 40 are further arranged, with which an operator located outside of the truck 1 lower the driver's roof 5 and can raise a lowered driver's roof 5 to produce the driver's workplace F for manual operation.
  • control elements 41 can be arranged on the outer contour of the vehicle body K, with which the operator located outside of the industrial truck 1 can control the traction drive of the industrial truck 1 in both directions.
  • the controls 40, 41 are arranged on a vehicle side of the vehicle body K.
  • further operating elements 40, 41 are arranged on the vehicle body K on the opposite side of the vehicle in order to raise and lower the driver's protection roof 5 and to be able to control the travel drive in both directions of travel.
  • the driver's roof 5 is in an inoperative position or a standby mode of the truck 1 in the in the FIG. 1 shown retracted and lowered to the vehicle body K position.
  • a driverless, automatic operation of the truck 1 according to the invention with retracted and lowered driver's roof 5 according to the FIG. 1 If a manual operation by a Operator is to take place, the driver's roof 5 in the raised and extended position according to FIG. 2 moved to generate the driver's seat F for the operator in the vehicle body K and the driving part 2.
  • the vehicle height of the truck 1 according to the invention is in retracted and lowered to the vehicle body K rider safety roof 5 in the range of less than 1300-1500mm.
  • the truck 1 according to the invention can thus - as in the FIG. 9 shown in a lowermost compartment R1 of a shelf R, for example, in a shelf, while breaks are stowed and stowed, wherein the storage space above the vehicle body K can be used by another storage compartment level R2 as a storage space for storing goods.
  • the bottom shelf R1 of the rack R is designed as a battery charging station, thus also a small footprint for a charging station can be achieved, are turned off at the inventive trucks 1 to load the traction battery 10, so also at a charging station directly above the vehicle body K another storage level R2 can be formed with shelf space and can be used as storage space for storing goods.

Description

Die Erfindung betrifft ein Flurförderzeug mit einem Fahrzeugkörper und einem innerhalb eines Fahrerschutzdaches angeordneten Fahrerarbeitsplatzes für eine Bedienperson.The invention relates to an industrial truck with a vehicle body and a driver's workplace arranged within a driver's protection roof for an operator.

Bei derartigen Flurförderzeugen erfolgt die Bedienung durch eine innerhalb des Fahrerarbeitsplatzes befindliche Bedienperson. Die Bedienung kann hierbei bei als Standgeräten ausgebildeten Flurförderzeugen in stehender Körperhaltung der Bedienperson erfolgen. Bei als Sitzgeräten ausgebildeten Flurförderzeugen erfolgt die Bedienung in sitzender Körperhaltung der Bedienperson. Zudem sind gattungsgemäße Flurförderzeuge bekannt, die sowohl in sitzender als auch in stehender Körperhaltung von der Bedienperson bedient werden können.In such trucks, the operation is done by an operator located within the driver's workplace. The operation can be done in standing as a stationary equipment trucks in standing posture of the operator. When trained as seating equipment trucks operating in a sedentary posture of the operator. In addition, generic trucks are known that can be operated both in a sedentary and in a standing posture by the operator.

Die Höhe des Fahrerschutzdaches, das den Fahrerarbeitsplatz nach oben begrenzt und einen Schutz gegen herabfallende Teile bildet, ist durch die Bedienstellung der Bedienperson konstruktiv festgelegt.The height of the driver's roof, which limits the driver's workplace upwards and forms a protection against falling parts, is determined constructively by the operating position of the operator.

Ein gattungsgemäßes Flurförderzeug ist aus der DE 10 2007 049 392 A1 bekannt. Das aus der DE 10 2007 049 392 A1 bekannte Flurförderzeug ist als Standgerät ausgebildet, bei dem ein Fahrerschutzdach oberhalb des Fahrerarbeitsplatzes für die stehende Bedienperson an einem Hubgerüst angeordnet ist.A generic truck is out of the DE 10 2007 049 392 A1 known. That from the DE 10 2007 049 392 A1 known truck is designed as a standalone unit, in which a driver's protection roof is located above the driver's workplace for the standing operator on a mast.

Gattungsgemäße Flurförderzeuge werden hauptsächlich als Lagertechnikstapler zum Ein- und Auslagern von Waren bzw. zum Kommissionieren von Waren in einem Lager oder in einer Regalanlage eingesetzt.Generic trucks are mainly used as warehouse trucks for storage and retrieval of goods or for picking goods in a warehouse or in a rack system.

Innerhalb von Lagern oder Regalanlagen eingesetzte Flurförderzeuge weisen in der Regel ein batterie-elektrisches Antriebssystem auf, bei dem als elektrische Energiequelle eine Traktionsbatterie zur Versorgung der Verbraucher des elektrischen Antriebssystems im Fahrzeugkörper vorhanden ist, die in bestimmten Zeitabständen an Ladestationen aufgeladen werden muss oder an Batteriewechselstationen gegen eine aufgeladene Traktionsbatterie ausgetauscht werden muss.Forklifts used within warehouses or shelves usually have a battery-electric drive system in which a traction battery for supplying the load of the electric drive system in the vehicle body is present as an electrical energy source, in certain time intervals must be charged at charging stations or replaced at battery changing stations against a charged traction battery.

Gattungsgemäße Flurförderzeuge weisen aufgrund des erforderlichen und den Fahrerarbeitsplatz nach oben abdeckenden Fahrerschutzdaches eine Mindestbauhöhe von ca. 2000mm auf. Beim Betrieb eines derartigen Flurförderzeugs in einem Lager oder einer Regalanlage resultiert aufgrund dieser konstruktiv bedingten Mindestbauhöhe ein hoher Platzbedarf beim Abstellen des Flurförderzeugs in Arbeitspausen oder beim Laden des Flurförderzeugs an einer Ladestation. In einem Lager oder einer Regalanlage kann somit der zur Verfügung stehende Bauraum nicht effizient als Lagerraum zum Lagern von Waren ausgenutzt werden.Generic trucks have due to the required and the driver's workplace upwards covering driver's roof a minimum height of about 2000mm. When operating such a truck in a warehouse or a rack system results due to this constructive minimum height requires a lot of space when parking the truck during breaks or when loading the truck to a charging station. In a warehouse or a rack system thus the available space can not be efficiently used as storage space for storing goods.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Flurförderzeug der eingangs genannten Gattung zur Verfügung zu stellen, das beim Abstellen in Arbeitspausen oder beim Laden einer Traktionsbatterie an einer Ladestation einen verringerten Platzbedarf aufweist.The present invention has for its object to provide an industrial truck of the type mentioned that has a reduced footprint when stopping in work breaks or when charging a traction battery to a charging station.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass das Fahrerschutzdach an dem Fahrzeugkörper anhebbar und absenkbar angeordnet ist, wobei das Fahrerschutzdach in der abgesenkten Stellung auf den Fahrzeugkörper absenkbar ist. Bei dem erfindungsgemäßen Flurförderzeug wird es somit ermöglicht, das Fahrerschutzdach in Arbeitspausen oder beim Laden einer Traktionsbatterie auf den Fahrzeugkörper abzusenken, so dass die Bauhöhe des Flurförderzeugs deutlich verringert werden kann.This object is achieved in that the driver's protection roof is arranged liftable and lowerable on the vehicle body, wherein the driver's roof can be lowered in the lowered position on the vehicle body. In the truck according to the invention, it is thus possible to lower the driver's roof during work breaks or when charging a traction battery on the vehicle body, so that the overall height of the truck can be significantly reduced.

Bei eingefahrenem, auf den Fahrzeugkörper abgesenktem Fahrerschutzdach kann durch die verringerte Bauhöhe das erfindungsgemäße Flurförderzeug bei geringem Platzbedarf in Arbeitspausen geparkt bzw. verstaut werden. Da sich das Fahrerschutzdach in der abgesenkten Stellung unmittelbar oberhalb des Fahrzeugkörpers befindet, kann das erfindungsgemäße Flurförderzeug in einer Regalanlage in dem untersten Fach eines Regals beispielsweise in einem Regalplatz abgestellt werden oder ein untersten Fach eines Regals als Batterieladestation ausgebildet werden, an der die Traktionsbatterie eines erfindungsgemäßen Flurförderzeugs aufgeladen werden kann, wobei direkt oberhalb des Fahrzeugkörpers eine weiteres Fach des Regals mit Lagerraum zum Lagern von Waren zur Verfügung steht und somit gegenüber gattungsgemäßen Flurförderzeugen in einer Regalanlage zusätzlicher Lagerraum genutzt werden kann. In einer Regalanlage oder einem Lager ist somit eine hohe Raumausnutzung durch Lagerraum erzielbar.When retracted, lowered onto the vehicle body canopy can be parked or stowed in a small footprint during breaks due to the reduced height of the truck according to the invention. Since the driver's roof is in the lowered position immediately above the vehicle body, the truck according to the invention can be parked in a rack system in the bottom shelf of a shelf, for example, in a shelf or a bottom shelf of a shelf are designed as a battery charging station on which the traction battery of the invention Forklift can be charged, being directly above the vehicle body another compartment of the shelf with storage space for storing goods available stands and thus compared to generic trucks in a rack system additional storage space can be used. In a rack system or a warehouse thus a high space utilization by storage space can be achieved.

Besondere Vorteile ergeben sich, wenn das Flurförderzeug gemäß einer vorteilhaften Weiterbildung der Erfindung bei auf den Fahrzeugkörper abgesenktem Fahrerschutzdach fahrerlos, automatisiert betrieben werden kann. Das erfindungsgemäße Flurförderzeug ermöglicht somit bei angehobenem, nach oben ausgefahrenem Fahrerschutzdach die Bedienung durch ein innerhalb des Fahrerarbeitsplatzes befindliche Bedienperson und bei eingefahrenem, auf den Fahrzeugkörper abgesenkten Fahrerschutzdach einen fahrerlosen, automatisierten Betrieb. Bei der Verwendung eines erfindungsgemäßen Flurförderzeugs in einer Regalanlage oder einem Lager werden daher weitere Vorteile erzielt, da das Flurförderzeug universell einsetzbar ist und für Standardaufgaben oder auf Standardwegen fahrerlos und automatisiert betrieben werden kann. Da sich für den fahrerlosen, automatisierten Betrieb des erfindungsgemäßen Flurförderzeugs das Fahrerschutzdach nach unten einfährt und auf den Fahrzeugkörper absenkt, weist das erfindungsgemäße, fahrerlos und automatisiert betriebene Flurförderzeug eine verringerte, kompakte Bauhöhe auf. Hierdurch wird eine Sicht über das automatisch, fahrerlos betriebene Flurförderzeug ermöglicht und in dem Lager oder der Regalanlage, wobei in einem gemischten Betrieb fahrerlose Flurförderzeuge und durch Bedienpersonen bediente Flurförderzeuge eingesetzt werden, die Übersichtlichkeit erhöht.Particular advantages arise when the truck according to an advantageous embodiment of the invention with driver's roof lowered to the vehicle body driverless, automated operation can be. The truck according to the invention thus enables the driver's roof to be raised by an operator located inside the driver's workplace and, when the driver's sunroof has been lowered onto the vehicle body, to be operated by a driver-free roof which has been raised, driverless, automated operation. When using a truck according to the invention in a racking system or a warehouse, therefore, further advantages are achieved, since the truck is universally applicable and can be operated without driverless and automated for standard tasks or on standard routes. Since the driver's protection roof descends downwards and lowers onto the vehicle body for the driverless, automated operation of the industrial truck according to the invention, the truck, which is operated according to the invention and operated in an automated manner, has a reduced, compact overall height. As a result, a view of the automatic, driverless operated truck is possible and in the warehouse or the rack system, being used in a mixed operation driverless trucks and operated by industrial trucks, the clarity increases.

Bevorzugt ist gemäß einer vorteilhaften Ausführungsform der Erfindung das Fahrerschutzdach mittels einer Antriebseinrichtung anhebbar und absenkbar. Hierdurch kann ein schneller Wechsel des Flurförderzeugs zwischen der Stellung mit angehobenem und der Stellung mit abgesenktem Fahrerschutzdach erzielt werden, so dass das Fahrerschutzdach in einer Außerbetriebsstellung oder einem Stand-By-Betrieb des Flurförderzeugs bzw. einem fahrerlosen Betrieb des Flurförderzeugs bevorzugt automatisch in die abgesenkte Stellung eingefahren werden kann und erst wenn eine Bedienperson das Flurförderzeug manuell bedienen will, das Fahrerschutzdach in die angehobene Stellung ausfährt, um der Bedienperson ausreichend Platz innerhalb des Fahrerarbeitsplatzes für eine stehende und/oder sitzende Bedienstellung zu bieten.Preferably, according to an advantageous embodiment of the invention, the driver's roof can be raised and lowered by means of a drive device. In this way, a quick change of the truck between the raised position and the lowered position with the driver's shelter can be achieved, so that the driver's roof in an inoperative position or a standby mode of the truck or a driverless operation of the truck preferably automatically in the lowered position can be retracted and only when an operator wants to operate the truck manually, the driver's roof extends into the raised position to provide the operator with sufficient space within the driver's workplace for a standing and / or sitting operating position.

Gemäß einer vorteilhaften Weiterbildung der Erfindung sind an der Außenkontur des Fahrzeugkörpers Bedienelemente zur Betätigung der Antriebseinrichtung und/oder eines Fahrantriebs des Flurförderzeugs angeordnet. Mit derartigen Bedienelementen wird es einer Bedienperson auf einfache Weise ermöglicht, durch Ansteuern der Antriebseinrichtung das abgesenkte Fahrerschutzdach anzuheben, um einen manuellen Betrieb des Flurförderzeugs zu erzielen, bzw. das Fahrerschutzdach nach dem Verlassen des Fahrerarbeitsplatzes auf den Fahrzeugkörper abzusenken. Sofern an der Außenkontur Bedienelemente zur Steuerung des Fahrantriebs vorhanden sind, wird es ebenfalls auf einfache Weise ermöglicht, das Flurförderzeug bei eingefahrenem Fahrerschutzdach zu verfahren, beispielsweise um dieses in einem Regalfach oder an einer Batterieladestation nach dem Verlassen des Fahrerarbeitsplatzes und Absenken des Fahrerschutzdaches zu parken bzw. abzustellen.According to an advantageous development of the invention, operating elements for actuating the drive device and / or a traction drive of the industrial truck are arranged on the outer contour of the vehicle body. With such controls, it is possible for an operator in a simple manner, by raising the drive device to raise the lowered driver's roof to achieve manual operation of the truck, or lower the driver's roof after leaving the driver's workplace on the vehicle body. If controls for controlling the traction drive are present on the outer contour, it is also possible in a simple way to move the truck with retracted driver's roof, for example to park this in a shelf or at a battery charging station after leaving the driver's workplace and lowering the driver's roof or to turn off.

Hinsichtlich eines einfachen Aufbaus des anhebbaren und absenkbaren Fahrerschutzdaches ergeben sich Vorteile, wenn das Fahrerschutzdach gemäß einer bevorzugten Ausführungsform der Erfindung eine aus mindestens zwei vertikalen Streben bestehende Tragstruktur aufweist, die am Fahrzeugkörper anhebbar und absenkbar angeordnet sind. Derartige vertikale Streben ermöglichen es auf einfache Weise, das Fahrerschutzdach in hubmastartigen Profilen oder Abschnitten des Fahrzeugkörpers anzuheben und abzusenken.With regard to a simple construction of the liftable and lowerable driver's protection roof, there are advantages if the driver's protection roof according to a preferred embodiment of the invention has an existing at least two vertical struts support structure, which are arranged on the vehicle body liftable and lowerable. Such vertical struts make it possible in a simple manner to raise and lower the driver's roof in Hubmastartigen profiles or sections of the vehicle body.

Bevorzugt sind die vertikalen Streben in Fahrzeugquerrichtung voneinander beabstandet an dem Fahrzeugkörper anhebbar und absenkbar angeordnet, wobei die Tragstruktur des Fahrerschutzdaches eine die vertikalen Streben im oberen Bereich verbindende Dachstrebe umfasst. Sofern die vertikalen Streben im Bereich der Fahrzeugsaußenseiten anhebbar und absenkbar am Fahrzeugkörper angeordnet sind, kann durch entsprechende Formgebung der Dachstrebe auf einfache Weise der Fahrerarbeitsplatz für die Bedienperson von oben abgedeckt werden, um die innerhalb des Fahrerarbeitsplatzes befindlichen Bedienperson gegen herabfallende Teile zu schützen. Sofern das Flurförderzeug ein Hubgerüst zum Anheben und Absenken eines Lastaufnahmemittels aufweist und das Hubgerüst von in Fahrzeugquerrichtung beabstandet angeordneten Hubgerüstsäulen gebildet ist, kann der Bauaufwand des erfindungsgemäßen Flurförderzeugs weiter verringert werden, wenn die vertikalen Säulen des Fahrerschutzdaches angrenzend an das Hubgerüst am Fahrerschutzdach angeordnet sind. Durch entsprechende Formgebung und Gestaltung der am Fahrzeugkörper angeordneten Hubgerüstprofile der Hubgerüstsäulen des Hubgerüstes können diese ebenfalls zur Führung der vertikalen Streben des Fahrerschutzdaches mitverwendet werden, so dass der konstruktive Bauaufwand für das Anheben und Absenken des Fahrerschutzdaches verringert werden kann.Preferably, the vertical struts in the vehicle transverse direction spaced from each other on the vehicle body are arranged raised and lowered, wherein the support structure of the driver's shelter roof comprises a vertical struts in the upper region connecting roof strut. If the vertical struts in the area of the vehicle outer sides are arranged liftably and lowerably on the vehicle body, the driver's workplace for the operator can be covered from above by appropriate shaping of the roof strut in order to protect the operator located within the driver's workplace against falling parts. If the truck has a mast for raising and lowering a lifting device and the mast is formed by arranged in the vehicle transverse direction mast columns, the construction cost of the truck according to the invention can be further reduced if the vertical columns of the driver's roof adjacent to the mast on the driver's roof are arranged. By appropriate shaping and design of the mast arranged on the vehicle body mast profiles of the mast of the mast they can also be used to guide the vertical struts of the driver's roof, so that the constructional effort for raising and lowering the driver's roof can be reduced.

Besondere Vorteile sind erzielbar, wenn die vertikalen Streben und/oder die Dachstrebe der Tragstruktur fachwerkartig ausgebildet sind. Hierdurch kann das Fahrerschutzdach besonders leicht und dennoch stabil und steif ausgebildet werden, so dass der Bauaufwand für die Antriebseinrichtung zum Anheben und Absenken des Fahrerschutzdaches verringert werden kann und das Anheben und Absenken des Fahrerschutzdaches einen geringen Energieverbrauch aufweist. Zudem kann durch eine fachwerkartige Struktur der vertikalen Streben und/oder der Dachstrebe weiterhin erzielt werden, dass die Sicht der innerhalb des Fahrerarbeitsplatzes befindlichen Bedienperson durch die von den vertikalen Streben und der Dachstrebe gebildete Tragstruktur des Fahrerschutzdaches möglicht wenig behindert wird.Particular advantages can be achieved if the vertical struts and / or the roof strut of the support structure are formed like a truss. As a result, the driver's protection roof can be made particularly lightweight and yet stable and rigid, so that the construction costs for the drive device for raising and lowering the driver's roof can be reduced and the raising and lowering of the driver's roof has low energy consumption. In addition, can be achieved by a truss-like structure of the vertical struts and / or the roof strut that the view of the operator located within the driver's workplace is made possible by the support structure formed by the vertical struts and the roof strut of the driver's shelter roof is little impeded.

Das Fahrerschutzdach umfasst gemäß einer zweckmäßigen Weiterbildung der Erfindung eine transparente Frontscheibe und/oder ein transparentes Schutzdach. Mit einem Schutzdach kann auf einfache Weise der Fahrerarbeitsplatz nach oben abgedeckt werden, um die Bedienperson gegen herabfallende Teile zu schützen. Eine Frontscheibe verhindert auf einfache Weise, dass eine sich in dem Fahrerarbeitsplatz befindliche Bedienperson mit den Händen in Richtung des Hubgerüstes des Lastaufnahmemittels greifen kann.The driver's shelter roof according to an expedient development of the invention comprises a transparent windshield and / or a transparent protective roof. With a protective roof can be covered in a simple way the driver's workplace up to protect the operator against falling parts. A windscreen easily prevents an operator located in the driver's workplace from reaching with his hands in the direction of the mast of the lifting device.

Bevorzugt ist die transparente Frontscheibe und/oder das transparentes Schutzdach an der Tragstruktur angeordnet.The transparent front screen and / or the transparent protective roof are preferably arranged on the supporting structure.

Gemäß einer vorteilhaften Weiterbildung ist das transparente Schutzdach mit in Fahrzeugquerrichtung verlaufenden, integrierten Streben als Schutzstruktur versehen. Mit derartigen, integral ausgebildeten Querstreben in dem transparenten Schutzdach kann bei geringem Gewicht des Schutzdaches die erforderliche Stabilität gegen herabfallende Teile erzielt werden. In Verbindung mit der fachwerkartigen Tragstruktur kann somit mit einem derartigen Schutzdach mit integrierter Schutzstruktur das Gewicht des anhebbaren und absenkbaren Fahrerschutzdaches weiter optimiert und verringert werden, um den Bauaufwand und den Energiebedarf für das Anheben und das Absenken des Fahrerschutzdaches gering zu halten. Zudem werden hierdurch an dem Schutzdach transparente Querstreben erzielt, die zu einer verbesserten Sicht der in dem Fahrerarbeitsplatz befindlichen und auf ein angehobenes Lastaufnahmemittel blickenden Bedienperson führt. Die Sicht der Bedienperson auf ein angehobenes Lastaufnahmemittel kann weiter optimiert und verbessert werden, wenn die in dem Schutzdach integrierten Querstreben geneigt angeordnet sind. Die Neigung der Querstreben ermöglicht es, diese in sichtoptimierter Weise in schräger Blickrichtung der in dem Fahrerarbeitsplatz befindlichen und auf ein angehobenes Lastaufnahmemittel blickenden Bedienperson anzuordnen.According to an advantageous development, the transparent protective roof is provided with extending in the vehicle transverse direction, integrated struts as a protective structure. With such, integrally formed cross struts in the transparent canopy the required stability against falling parts can be achieved with low weight of the canopy. In conjunction with the truss-like support structure can thus with such a canopy with integrated protection structure, the weight of the raised and lowered driver's roof further optimized and be reduced to keep the construction costs and energy requirements for raising and lowering the driver's roof low. In addition, transparent cross struts are thereby achieved on the canopy, which leads to an improved view of the located in the driver's workplace and looking at a raised load-carrying operator. The operator's view of a raised load-handling device can be further optimized and improved if the transverse struts integrated in the protective roof are arranged inclined. The inclination of the transverse struts makes it possible to arrange them in a viewing-optimized manner in oblique viewing direction of the operator located in the driver's workplace and looking at a raised load-receiving means.

Bevorzugt sind das Schutzdach und die Frontscheibe einteilig ausgebildet.Preferably, the canopy and the windscreen are integrally formed.

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

Figur 1
ein erfindungsgemäßes Flurförderzeug in einer perspektivischen Darstellung mit eingefahrenem Fahrerschutzdach,
Figur 2
das Flurförderzeug der Figur 1 mit ausgefahrenem Fahrerschutzdach,
Figur 3
das Flurförderzeug der Figuren 1 und 2 in einer schematischen Seitenansicht,
Figur 4
das Flurförderzeug der Figuren 2 und 3 in einer Ansicht auf den Fahrerarbeitsplatz,
Figur 5
das Flurförderzeug mit ausgefahrenem Fahrerschutzdach in einer weiteren Darstellung,
Figur 6
das Fahrerschutzdach in einer aufgelösten Darstellung,
Figur 7
das Schutzdach und die Frontscheibe der Figur 6 in einer vergrößerten Darstellung,
Figur 8
einen Schnitt durch das Schutzdach und die Frontscheibe gemäß der Linie A-A der Figur 7 und
Figur 9
ein erfindungsgemäßes, in einem Regalfach abgestelltes Flurförderzeug.
Further advantages and details of the invention will be explained in more detail with reference to the embodiments illustrated in the schematic figures. This shows
FIG. 1
an inventive truck in a perspective view with retracted driver's roof,
FIG. 2
the truck of the FIG. 1 with extended driver's roof,
FIG. 3
the truck of the FIGS. 1 and 2 in a schematic side view,
FIG. 4
the truck of the Figures 2 and 3 in a view of the driver's workplace,
FIG. 5
the truck with extended driver's roof in a further representation,
FIG. 6
the driver's safety roof in an exploded view,
FIG. 7
the protective roof and the windscreen of the FIG. 6 in an enlarged view,
FIG. 8
a section through the canopy and the windscreen according to the line AA of FIG. 7 and
FIG. 9
an inventive, parked in a shelf industrial truck.

In den Figuren 1 und 2 ist ein erfindungsgemäßes Flurförderzeug 1 dargestellt, das einen einen Fahrzeugkörper K bildenden Antriebsteil 2 und einen Lastteil 3 umfasst, der von einem als Lastgabel ausgebildeten Lastaufnahmemittel 4 gebildet ist.In the FIGS. 1 and 2 an inventive truck 1 is shown, which comprises a vehicle body K forming drive part 2 and a load part 3, which is formed by a trained as a load lifting device 4.

Das Flurförderzeug 1 kann wahlweise von einer Bedienperson bedient werden oder in einem unbemannten automatisierten Betrieb betrieben werden.The truck 1 can optionally be operated by an operator or operated in an unmanned automated operation.

Hierzu ist das Antriebsteil 2 erfindungsgemäß mit einem anhebbar und absenkbar angeordneten Fahrerschutzdach 5 versehen. In der Figur 1 befindet sich das Fahrerschutzdach 5 in einer auf den Fahrzeugkörper K abgesenkten und eingefahrenen Stellung für den unbemannten automatisierten Betrieb. Durch Anheben und Ausfahren des Fahrerschutzdaches 5 nach oben kann das Flurförderzeug 1 in die in der Figur 2 dargestellte Betriebsstellung gebracht werden, in der innerhalb des angehobenen Fahrerschutzdach 5 ein Fahrerarbeitsplatz F für eine Bedienperson im Antriebsteil 2 ausgebildet ist und das Flurförderzeug 1 von einer Bedienperson bedient werden kann.For this purpose, the drive part 2 according to the invention is provided with a liftable and lowerable arranged driver's roof 5. In the FIG. 1 is the driver's roof 5 in a lowered and retracted to the vehicle body K position for unmanned automated operation. By lifting and extending the driver's roof 5 upwards, the truck 1 in the in the FIG. 2 shown operating position in which within the raised driver's roof 5 a driver's workplace F is designed for an operator in the drive part 2 and the truck 1 can be operated by an operator.

An einem ersten stirnseitigen Bereich des Antriebsteils 2 ist ein Hubgerüst 6 zum Anheben und Absenken des Lastaufnahmemittels 4 angeordnet. Das Hubgerüst 6 besteht aus zwei in Fahrzeugquerrichtung beabstandet angeordneten teleskopierbaren Hubgerüstsäulen 6a, 6b. Das als Lastgabel ausgebildete Lastaufnahmemittel 4 besteht aus zwei Gabelzinken, die an einem in dem teleskopierbaren Hubgerüst 6 anhebbar und absenkbar angeordneten Gabelträger 7 angeordnet sind. Die Gabelzinken können hierbei um eine horizontale Schwenkachse 8 klappbar angeordnet sein, insbesondere um 90º nach oben eingeklappt werden. Die Klappbewegung der Gabelzinken kann durch eine nicht näher dargestellte Antriebseinrichtung erzielt werden.At a first end region of the drive part 2, a mast 6 for raising and lowering the load-receiving means 4 is arranged. The mast 6 consists of two spaced apart in the vehicle transverse direction telescopic mast columns 6a, 6b. The load-receiving means 4 designed as a load fork consists of two fork tines which are arranged on a fork carriage 7 which can be raised and lowered in the telescopic mast 6. The forks can in this case be arranged hinged about a horizontal pivot axis 8, in particular be folded inwards by 90 °. The folding movement of the forks can be achieved by a drive device, not shown.

Das Flurförderzeug 1 ist als batterie-elektrisch betriebenes Flurförderzeug ausgebildet, wobei an dem zweiten, dem Hubgerüst 6 gegenüberliegenden stirnseitigen Bereich des Antriebsteils 2 eine in der Figur 3 näher dargestellte Traktionsbatterie 10, beispielsweise eine Lithium-Ionen-Batterie, angeordnet ist.The truck 1 is designed as a battery-electrically operated truck, wherein on the second, the mast 6 opposite end portion of the drive part 2 in the FIG. 3 Traction battery 10 shown in more detail, for example, a lithium-ion battery is arranged.

Im Bereich des Hubgerüstes 6 und somit dem lastzugewandten Bereich ist der Antriebsteil 2 - wie in der Figur 3 näher dargestellt ist - mit lastnahen Rädern 9a versehen. In Längsrichtung des Flurförderzeugs 1 gesehen gegenüberliegend zum Lastteil 3 ist mindestens ein lastfernes Rad 9b an dem lastfernen Bereich des Antriebsteils 2 angeordnet. Bevorzugt ist das lastferne Rad 9b als lenkbares Antriebsrad ausgebildet, wobei die lastnahen Räder 9a als Laufrollen ausgebildet sind. Der Fahrantrieb ist von mindestens einem elektrischen Fahrmotor gebildet. Im Bereich der Traktionsbatterie 10 ist weiterhin ein Aggregateraum für eine nicht mehr dargestellte Arbeitshydraulikeinheit, beispielsweise ein elektrisches Hydraulikaggregat, zur Versorgung eines Hubantriebs, ausgebildet, mittels dem das am Hubgerüst 6 angeordnete Lastaufnahmemittel 4 auf- und abbewegbar ist und das zur Versorgung gegebenenfalls vorhandener hydraulischer Zusatzantriebe bzw. Zusatzverbraucher dient.In the area of the mast 6 and thus the load-facing area of the drive part 2 - as in the FIG. 3 is shown in more detail - provided with close-to-wheels 9a. Seen in the longitudinal direction of the truck 1, opposite the load part 3, at least one load-distant wheel 9b is arranged on the load-remote area of the drive part 2. Preferably, the off-load wheel 9b is designed as a steerable drive wheel, wherein the wheels close to the load 9a are formed as rollers. The traction drive is formed by at least one electric traction motor. In the field of traction battery 10 is also a unit space for a working hydraulic unit, not shown, for supplying a lifting drive, formed by means of which the mast 6 arranged on the load-receiving means 4 and is movable up and down to supply possibly existing hydraulic auxiliary drives or additional consumer serves.

Die im Antriebteils 2 angeordnete Traktionsbatterie 10 bildet weiterhin ein dem Lastteil 3 gegenüberliegendes Gegengewicht 11 des Flurförderzeugs 1. Die Traktionsbatterie 10 ist bevorzugt in Querrichtung des Flurförderzeugs 1 angeordnet und erstreckt sich über die gesamte Fahrzeugbreite. Zusätzlich zu der Traktionsbatterie 10 kann ein zusätzliches Gegengewicht am lastfernen Ende des Antriebsteils 2 angeordnet bzw. ausgebildet werden.The arranged in the drive part 2 traction battery 10 also forms the load part 3 opposite counterweight 11 of the truck 1. The traction battery 10 is preferably arranged in the transverse direction of the truck 1 and extends over the entire vehicle width. In addition to the traction battery 10, an additional counterweight at the remote end of the drive part 2 can be arranged or formed.

Der bei angehobenem Fahrerschutzdach 5 gebildete Fahrerarbeitsplatz F für eine Bedienperson ist zwischen dem Lastteil 3 und der als Gegengewicht 11 wirkenden Traktionsbatterie 10 am Antriebsteil 2 angeordnet und umfasst eine als Standplattform ausgebildete Bodenplattform 15 und einen Fahrersitz 16. Ein Ein- und Ausstieg in den Fahrerarbeitslatz 5 kann durch eine an einer Fahrzeugseite angeordnete Tür 17 gebildet werden.The driver's workplace F formed with the driver's roof 5 raised for an operator is arranged between the load part 3 and the traction battery 10 acting as a counterweight 11 on the drive part 2 and comprises a platform platform 15 and a driver's seat 16. Entry and exit into the driver's workstation 5 can be formed by a arranged on a vehicle side door 17.

Wie aus der Figur 4 weiter ersichtlich ist, ist der bei angehobenem Fahrerschutzdach 5 gebildete Fahrerarbeitsplatz F am lastfernen Ende des Antriebsteils 2 durch eine vertikale, in Fahrzeugquerrichtung angeordnete Begrenzungswand 18 und an der der Tür 17 gegenüberliegenden Fahrzeugseite durch ein vertikale, sich in Fahrzeuglängsrichtung erstreckende Begrenzungswand 19 begrenzt. Die beiden Begrenzungswände 18 und 19 sind aneinander angrenzend angeordnet und gehen in einem Übergangsbereich ineinander über. Die beiden Begrenzungswände 18, 19 bilden somit eine im Fahrzeugkörper K angeordnete Seitenbegrenzung 20 des Fahrerarbeitsplatzes F an zwei aneinder angrenzenden Seiten.Like from the FIG. 4 It can also be seen that the driver's workplace F formed on the raised driver's protection roof 5 is bounded by a vertical boundary wall 18 arranged in the vehicle transverse direction and by the vehicle side opposite the door 17 by a vertical boundary wall 19 extending in the vehicle longitudinal direction. The two boundary walls 18 and 19 are arranged adjacent to each other and merge into each other in a transition region. The two boundary walls 18, 19 thus form a arranged in the vehicle body K side boundary 20 of the driver's workplace F at two aneinder adjacent sides.

Der Fahrersitz 16 kann entlang der von den beiden Begrenzungswänden 18,19 gebildeten Seitenbegrenzung 20 und in Umfangsrichtung der Seitenbegrenzung 20 des Fahrerarbeitsplatzes F verschiebbar angeordnet sein, um der im Fahrerarbeitsplatz befindlichen Bedienperson unterschiedliche Bedienstellungen zu ermöglichen.The driver's seat 16 can be slidably disposed along the side boundary 20 formed by the two boundary walls 18, 19 and in the circumferential direction of the side boundary 20 of the driver's workplace F in order to allow the operator located in the driver's workplace different operating positions.

Zur Längsverschiebung des Fahrersitzes 16 entlang der beiden Begrenzungswände 18, 19 ist ein Linearführungsmittel 25 vorgesehen. Das Linearführungsmittel 25 weist eine an der Seitenbegrenzung 20 und somit den beiden Begrenzungswänden 18, 19 des Fahrerarbeitsplatzes F angeordnete Führungsschiene oder Kurvenbahn 26 auf, an der der Fahrersitz 16 mittels einer Konsole 27 zur Erzielung verschiedener Bedienpositionen für die Bedienperson verschiebbar angeordnet ist. Die Konsole 27 befindet sich bevorzugt an einer Seite des Fahrersitzes 16.For longitudinal displacement of the driver's seat 16 along the two boundary walls 18, 19, a linear guide means 25 is provided. The linear guide means 25 has a on the side boundary 20 and thus the two boundary walls 18, 19 of the driver's workplace F arranged guide rail or curved path 26 on which the driver's seat 16 is arranged by means of a console 27 to achieve various operating positions for the operator slidably. The console 27 is preferably located on one side of the driver's seat sixteenth

Zur Bedienung des Flurförderzeugs 1 durch die im Fahrerarbeitsplatz F befindliche Bedienperson ist der Fahrersitz 16 mit einer seitlichen Armlehne 30 versehen, an der ein oder mehrere Bedienelemente 31 angeordnet sind. Im dargestellten Ausführungsbeispiel ist an der Armlehne 30 ein beispielsweise als Joystick ausgebildetes Bedienelement 31 angeordnet, mit dem der Fahrantrieb und/oder die Lenkung des Flurförderzeugs 1 gesteuert werden kann.To operate the truck 1 by the operator located in the driver's workplace F, the driver's seat 16 is provided with a side armrest 30 on which one or more operating elements 31 are arranged. In the illustrated embodiment, an example designed as a joystick control element 31 is arranged on the armrest 30, with which the drive and / or the steering of the truck 1 can be controlled.

Der Fahrersitz 16 ist bevorzugt als sogenannter Kombisitz ausgebildet, der die Funktion eines Sitzes für eine sitzende Bedienstellung und die Funktion einer Stehhilfe für eine stehende Bedienstellung der Bedienperson aufweist.The driver's seat 16 is preferably designed as a so-called combination seat, which has the function of a seat for a seated operating position and the function of a standing aid for a standing operating position of the operator.

Das Fahrerschutzdach 5 ist an dem Fahrzeugkörper K des Antriebsteils 2 anhebbar und absenkbar angeordnet. Hierzu kann eine nicht näher dargestellte Antriebseinrichtung vorgesehen sein. In der abgesenkten Stellung für den fahrerlosen Betrieb des Flurförderzeugs 1 befindet sich das Fahrerschutzdach 5 unmittelbar an der Oberseite des Fahrzeugkörpers K und schließt den innerhalb des Antriebsteils 2 ausgebildeten, unteren Bereich des Fahrerarbeitsplatzes F oberhalb der Seitenbegrenzung 20 und der Tür 17 deckelartig nach oben ab. In der angehobenen Stellung des Fahrerschutzdaches 5 wird der Fahrerarbeitsplatz F für die Bedienperson in der unteren Hälfte von dem Fahrzeugkörper K des Antriebsteils 2 und in der oberen Hälfte von dem angehobenen Fahrerschutzdach 5 gebildet.The driver's protection roof 5 is arranged on the vehicle body K of the drive part 2 liftable and lowered. For this purpose, a drive device, not shown, may be provided. In the lowered position for the driverless operation of the truck 1, the driver's protection roof 5 is located directly on the top of the vehicle body K and includes the inside of the drive part 2 formed, lower portion of the driver's workplace F above the side boundary 20 and the door 17 like a lid from above. In the raised position of the driver's roof 5, the driver's workplace F for the operator in the lower half of the vehicle body K of the drive part 2 and in the upper half of the raised driver's roof 5 is formed.

Das anhebbare und absenkbare Fahrerschutzdach 5 weist - wie in den Figuren 5 und 6 näher dargestellt ist - zwei im Wesentlichen vertikal angeordnete Streben 5a, 5b auf, die in dem Fahrzeugkörper K und somit im Antriebsteil 2 anhebbar und absenkbar angeordnet sind. Die beiden vertikalen Streben 5a, 5b sind in Fahrzeugquerrichtung voneinander beabstandet und sind in Fahrzeuglängsrichtung unmittelbar hinter den entsprechenden Hubgerüstsäulen 6a, 6b des Hubgerüstes 6 angeordnet. Die an dem Fahrzeugkörper K angeordneten Hubgerüstprofile des feststehenden untersten Abschnitts der Hubgerüstsäulen 6a, 6b bilden hierbei - wie in der Figur 4 an der Hubgerüstsäule 6b ersichtlich ist - an dem dem Fahrerarbeitsplatz 5 zugewandten hinteren Bereich Profilabschnitte, an denen die vertikalen Streben 5a, 5b des Fahrerschutzdaches 5 in vertikaler Richtung geführt sind, so dass die fahrzeugfesten untersten Abschnitte der Hubgerüstsäulen 6a, 6b des Hubgerüstes 6 zum Anheben und Absenken des Lastaufnahmemittels 4 zusätzlich hubmastartige Profile zum Anheben und Absenken des Fahrerschutzdaches 5 bilden.The raisable and lowerable driver's roof 5 has - as in the Figures 5 and 6 is shown in more detail - two substantially vertically arranged struts 5a, 5b, which are arranged in the vehicle body K and thus in the drive part 2 liftable and lowerable. The two vertical struts 5a, 5b are spaced apart in the vehicle transverse direction and are arranged in the vehicle longitudinal direction immediately behind the corresponding mast columns 6a, 6b of the mast 6. The arranged on the vehicle body K mast profiles of the fixed lowermost portion of the mast columns 6a, 6b in this case - as in the FIG. 4 can be seen on the mast 6b - at the driver's workplace 5 facing rear portion profile sections at which the vertical struts 5a, 5b of the driver's roof 5 are guided in the vertical direction, so that the vehicle-fixed lowermost portions of the mast columns 6a, 6b of the mast 6 for lifting and lowering the load receiving means 4 in addition form hub-like profiles for raising and lowering the driver's roof 5.

Im oberen Bereich gehen die vertikalen Streben 5a, 5b in eine im Westlichen horizontal verlaufende Dachstrebe 5c über, die die beiden an den Fahrzeugaußenseiten angeordneten Streben 5a, 5b miteinander verbindet. Die in Draufsicht auf das Fahrerschutzdach U-förmige und an den Grundriss des Fahrzeugkörpers K angepasste Dachstrebe 5c weist hierbei in Fahrzeuglängsrichtung an den Fahrzeugsaußenseiten verlaufende Seitenabschnitte auf, die im Bereich des Gegengewichts 11 mit einem heckseitigen, bevorzugt gekrümmten Querabschnitt miteinander verbunden sind.In the upper area, the vertical struts 5 a, 5 b merge into a roof strut 5 c running horizontally in the west, which connects the two struts 5 a, 5 b arranged on the vehicle outer sides to one another. The top strut 5c, which is U-shaped and adapted to the floor plan of the vehicle body K, has in the vehicle longitudinal direction side sections which extend in the vehicle longitudinal direction and which are connected to one another in the region of the counterweight 11 with a rear-side, preferably curved transverse section.

Die vertikalen Streben 5a, 5b und die am oberen Bereich angeordnete Dachstrebe 5c bilden eine Tragstruktur für eine transparente und durchsichtige Frontscheibe 5e, die zwischen den vertikalen Säulen 5a, 5b angeordnet ist, und für ein transparentes und durchsichtiges Schutzdach 5d, die den von der U-förmige Dachstrebe 5c umspannten Dachbereich ausfüllt. Im dargestellten Ausführungsbeispiel sind die Frontscheibe 5e und das Schutzdach 5d einteilig ausgebildet. Das Schutzdach 5d und die Frontscheibe 5e können aus Glas oder einem geeigneten Kunststoff bestehen.The vertical struts 5a, 5b and the top strut 5c form a support structure for a transparent and transparent windshield 5e, which is arranged between the vertical columns 5a, 5b, and for a transparent and transparent shelter 5d, which corresponds to that of the U -shaped roof strut 5c spanned roof area fills. In the illustrated embodiment, the front screen 5e and the protective cover 5d are integrally formed. The protective roof 5d and the front screen 5e may be made of glass or a suitable plastic.

Um die Sicht der innerhalb des Fahrerarbeitsplatzes F befindlichen Bedienperson durch die von den vertikalen Streben 5a, 5b und der Dachstrebe 5c gebildete Tragstruktur des Fahrerschutzdaches 5 möglicht wenig zu behindern und ein geringes Gewicht der Tragstruktur des Fahrerschutzdaches 5 zu erzielen, sind die Streben 5a, 5b, 5c der Tragstruktur des Fahrerschutzdaches 5 fachwerkartig ausgebildet.In order to obstruct the view of the operator located within the driver's workplace F by the support structure of the driver's roof 5 formed by the vertical struts 5a, 5b and the roof strut 5c and to achieve a low weight of the support structure of the driver's roof 5, the struts 5a, 5b , 5c of the support structure of the driver's roof 5 formed like a truss.

Das den Fahrerarbeitsplatz F nach oben abdeckende transparente Schutzdach 5d ist mit mehreren in Fahrzeugquerrichtung verlaufenden Streben 5f als Schutzstruktur versehen, um eine hohe Festigkeit und einen wirksamen Schutz gegen herabfallende Teile durch das Schutzdach 5d zu bilden. Das Schutzdach 5d ist hierzu - wie insbesondere in den Figuren 7 und 8 näher dargestellt ist - an der Oberseite mit in Fahrzeugquerrichtung verlaufenden wannenartigen Vertiefungen 5g versehen, die mit einem Bodenbereich das geschlossenen Schutzdach 5d bilden und deren vorderen und hinteren Ränder die versteifenden Streben 5f bilden. Bevorzugt sind die Streben 5f gegenüber der Vertikalen in Richtung zu dem Lastaufnahmemittel 4 nach vorne geneigt angeordnet, so dass sich die Streben 5f in Blickrichtung einer in dem Fahrerarbeitsplatz befindlichen, den Blick nach oben auf ein an dem Hubgerüst 6 angehobenes Lastaufnahmemittel 4 richtenden Bedienperson ausgerichtet sind. Die die Streben 5f bildenden wannenartigen Vertiefungen 5g an dem Schutzdach sind an dem vorderen, dem Lastaufnahmemittel 4 zugewandten Bereich des Fahrerschutzdaches 5 mit einer gegenüber dem hinteren, dem Gegengewicht 11 zugewandten Bereich mit einer vergrößerten Tiefe T versehen. Hierdurch weisen die Streben 5f am vorderen, durch herabfallende Teile besonders gefährdeten Bereich des Fahrerschutzdaches 5 eine vergrößerte Höhe und somit Stabilität auf.The driver's workplace F upwardly covering transparent canopy 5d is provided with a plurality of vehicle transverse direction extending struts 5f as a protective structure to provide high strength and effective protection against falling parts through the canopy 5d. The protective roof 5d is for this purpose - as in particular in the FIGS. 7 and 8th is shown in more detail - provided at the top with extending in the vehicle transverse direction trough-like depressions 5g, which form the closed canopy 5d with a bottom portion and form the front and rear edges of the stiffening struts 5f. Preferably, the struts 5f are inclined relative to the vertical in the direction of the load receiving means 4 forward, so that the struts are aligned 5f facing in the direction of a located in the driver's workplace, looking up to a raised to the mast 6 load-carrying means 4 operator , The trough-like depressions 5g forming the struts 5f on the protective roof are provided with an enlarged depth T at the front region of the driver's protection roof 5 facing the load-receiving means 4 with an area facing the rear, the counterweight 11. As a result, the struts 5f at the front, by falling parts particularly vulnerable area of the driver's roof 5 an increased height and thus stability.

Die Integration der transparenten und zusätzlich in Blickrichtung geneigten Streben 5f in das Schutzdach 5d führt zu einer optimierten Sicht der Bedienperson auf ein angehobenes Lastaufnahmemittel 4 und ermöglicht eine gewichtsoptimierte, leichte Ausführung des Schutzdaches 5d.The integration of the transparent and additionally in the viewing direction inclined struts 5f in the canopy 5d leads to an optimized view of the operator on lifted load-carrying means 4 and allows a weight-optimized, lightweight version of the canopy 5d.

In Verbindung mit der fachwerkartigen Tragstruktur des Fahrerschutzdaches 5 und des Schutzdaches 5e mit den integrierten Streben 5f als Schutzstruktur wird somit eine leichte Ausführung des Fahrerschutzdaches 5 erzielt, die einen geringen konstruktiven Aufwand für die Führung des anhebbaren und absenkbaren Fahrerschutzdaches 5 an dem Fahrzeugkörper K ermöglicht, wobei weiterhin für das Anheben des Fahrerschutzdaches 5 ein geringer Energieaufwand erforderlich ist.In conjunction with the truss-like support structure of the driver's roof 5 and the canopy 5e with the integrated struts 5f as a protective structure thus a lightweight version of the driver's roof 5 is achieved, which allows little design effort for the guidance of the liftable and lowerable driver's roof 5 on the vehicle body K, Furthermore, a small amount of energy is required for lifting the driver's roof 5.

An der von den vertikalen Streben 5a, 5b und der Dachstrebe 5c gebildeten Tragstruktur können weiterhin Seitenscheiben 5h, 5i und eine Rückscheibe 5i angeordnet sein, die beim Anheben und Absenken des Fahrerschutzdaches 5 mitbewegt werden, so dass der Fahrerarbeitsplatz F bei angehobenem Fahrerschutz an der oberen Hälfte von einer geschlossenen Fahrerkabine gebildet ist.On the support structure formed by the vertical struts 5a, 5b and the roof strut 5c side windows 5h, 5i and a rear window 5i can be arranged, which are moved when lifting and lowering the driver's roof 5, so that the driver's workplace F with raised driver's protection at the top Half is formed by a closed cab.

An der Außenkontur des Fahrzeugskörpers K sind weiterhin Bedienelemente 40 angeordnet, mit denen eine außerhalb des Flurförderzeugs 1 befindliche Bedienperson das Fahrerschutzdach 5 absenken und ein abgesenktes Fahrerschutzdach 5 anheben kann, um den Fahrerarbeitsplatz F für einen manuellen Betrieb zu erzeugen. Weiterhin können an der Außenkontur des Fahrzeugskörpers K Bedienelemente 41 angeordnet sein, mit denen außerhalb des Flurförderzeugs 1 befindliche Bedienperson den Fahrantrieb des Flurförderzeugs 1 in beide Richtungen steuern kann. Im dargestellten Ausführungsbeispiel sind die Bedienelemente 40, 41 an einer Fahrzeugseite des Fahrzeugkörpers K angeordnet. Bevorzugt sind an der gegenüberliegenden Fahrzeugseite weitere Bedienelemente 40, 41 an dem Fahrzeugkörper K angeordnet, um das Fahrerschutzdach 5 anheben und absenken zu können sowie den Fahrantrieb in beide Fahrtrichtungen steuern zu können.On the outer contour of the vehicle body K control elements 40 are further arranged, with which an operator located outside of the truck 1 lower the driver's roof 5 and can raise a lowered driver's roof 5 to produce the driver's workplace F for manual operation. Furthermore, control elements 41 can be arranged on the outer contour of the vehicle body K, with which the operator located outside of the industrial truck 1 can control the traction drive of the industrial truck 1 in both directions. In the illustrated embodiment, the controls 40, 41 are arranged on a vehicle side of the vehicle body K. Preferably, further operating elements 40, 41 are arranged on the vehicle body K on the opposite side of the vehicle in order to raise and lower the driver's protection roof 5 and to be able to control the travel drive in both directions of travel.

Bei dem erfindungsgemäßen Flurförderzeug 1 befindet sich das Fahrerschutzdach 5 in einer Außerbetriebsstellung oder einem Stand-By-Betrieb des Flurförderzeugs 1 in der in der Figur 1 dargestellten eingefahrenen und auf den Fahrzeugkörper K abgesenkten Stellung. Ebenfalls erfolgt ein fahrerloser, automatischer Betrieb des erfindungsgemäßen Flurförderzeugs 1 mit eingefahrenem und abgesenktem Fahrerschutzdach 5 gemäß der Figur 1. Sofern eine manuelle Bedienung durch eine Bedienperson erfolgen soll, wird das Fahrerschutzdach 5 in die angehobene und ausgefahrene Stellung gemäß der Figur 2 bewegt, um den Fahrerarbeitsplatz F für die Bedienperson in dem Fahrzeugkörper K und dem Antriebsteil 2 zu erzeugen.In the truck 1 according to the invention, the driver's roof 5 is in an inoperative position or a standby mode of the truck 1 in the in the FIG. 1 shown retracted and lowered to the vehicle body K position. Likewise, a driverless, automatic operation of the truck 1 according to the invention with retracted and lowered driver's roof 5 according to the FIG. 1 , If a manual operation by a Operator is to take place, the driver's roof 5 in the raised and extended position according to FIG. 2 moved to generate the driver's seat F for the operator in the vehicle body K and the driving part 2.

Bevorzugt beträgt die Fahrzeughöhe des erfindungsgemäßen Flurförderzeugs 1 bei eingefahrenem und auf den Fahrzeugkörper K abgesenktem Fahrerschutzdach 5 im Bereich von weniger als 1300-1500mm. Das erfindungsgemäße Flurförderzeug 1 kann somit - wie in der Figur 9 dargestellt- in einem untersten Fach R1 eines Regals R, beispielsweise in einem Regalfach, während Arbeitspausen abgestellt und verstaut werden, wobei der Lagerraum oberhalb der Fahrzeugkörpers K von einer weiteren Lagerfachebene R2 als Lagerraum zum Lagern von Waren genutzt werden kann. Sofern das unterste Fach R1 des Regals R als Batterieladestation ausgebildet ist, kann somit ebenfalls ein geringer Platzbedarf für eine Ladestation erzielt werden, an der erfindungsgemäße Flurförderzeuge 1 abgestellt werden, um die Traktionsbatterie 10 zu laden, so dass ebenfalls an einer Ladestation direkt oberhalb der Fahrzeugkörpers K eine weitere Lagerebene R2 mit Regalplätzen ausgebildet werden kann und als Lagerraum zum Lagern von Waren genutzt werden kann.Preferably, the vehicle height of the truck 1 according to the invention is in retracted and lowered to the vehicle body K rider safety roof 5 in the range of less than 1300-1500mm. The truck 1 according to the invention can thus - as in the FIG. 9 shown in a lowermost compartment R1 of a shelf R, for example, in a shelf, while breaks are stowed and stowed, wherein the storage space above the vehicle body K can be used by another storage compartment level R2 as a storage space for storing goods. If the bottom shelf R1 of the rack R is designed as a battery charging station, thus also a small footprint for a charging station can be achieved, are turned off at the inventive trucks 1 to load the traction battery 10, so also at a charging station directly above the vehicle body K another storage level R2 can be formed with shelf space and can be used as storage space for storing goods.

Zudem wird durch das auf den Fahrzeugkörper K abgesenkte Fahrerschutzdach 5 und die dadurch erzielbare geringe Bauhöhe des Flurförderzeugs 1 bei einem fahrerlos, automatisch betriebenen erfindungsgemäßen Flurförderzeug 1 eine Sicht über das Flurförderzeug 1 ermöglicht, wodurch eine hohe Übersichtlichkeit in einem Lager oder einer Regalanlage erzielt wird.In addition, is lowered by the lowered to the vehicle body K driver's roof 5 and the achievable low height of the truck 1 in a driverless, automatically operated truck 1 according to the invention a view of the truck 1, creating a high level of clarity in a warehouse or a rack system is achieved.

Claims (11)

  1. Industrial truck with a vehicle body and a driver workstation, which is arranged within a driver protection roof, for an operator, characterized in that the driver protection roof (5) is arranged on the vehicle body (K) so as to be raisable and lowerable, wherein, in the lowered position, the driver protection roof (5) is lowerable onto the vehicle body (K).
  2. Industrial truck according to Claim 1, characterized in that, when the driver protection roof (5) is lowered onto the vehicle body (K), the industrial truck (1) can be operated in an automated manner without a driver.
  3. Industrial truck according to Claim 1 or 2, characterized in that the driver protection roof (5) is raisable and lowerable by means of a driving device.
  4. Industrial truck according to one of Claims 1 to 3, characterized in that control elements (40; 41) for actuating the driving device and/or a travel drive of the industrial truck (1) are arranged on the outer contour of the vehicle body (K).
  5. Industrial truck according to one of Claims 1 to 4, characterized in that the driver protection roof (5) has a supporting structure which consists of at least two vertical struts (5a, 5b) which are arranged on the vehicle body (K) so as to be raisable and lowerable.
  6. Industrial truck according to Claim 5, characterized in that the vertical struts (5a, 5b) are arranged on the vehicle body (K) at a distance from one another in the transverse direction of the vehicle so as to be raisable and lowerable, wherein the supporting structure of the driver protection roof (5) comprises a roof strut (5c) connecting the vertical struts (5a, 5b) in the upper region.
  7. Industrial truck according to Claim 5 or 6, characterized in that the vertical struts (5a, 5b) and/or the roof strut (5c) of the supporting structure are/is of lattice-like design.
  8. Industrial truck according to one of Claims 1 to 7, characterized in that the driver protection roof (5) comprises a transparent front window (5e) and/or a transparent protection roof (5d).
  9. Industrial truck according to Claim 8, characterized in that the transparent front window (5e) and/or the transparent protection roof (5d) are/is arranged on the supporting structure.
  10. Industrial truck according to Claim 8 or 9, characterized in that the protection roof (5d) is provided with integrated struts (5f) running in the transverse direction of the vehicle as a protection structure.
  11. Industrial truck according to one of Claims 8 to 10, characterized in that the protection roof (5d) and the front window (5e) are formed as a single part.
EP20120158764 2011-04-27 2012-03-09 Industrial truck with a driver protection roof Not-in-force EP2518006B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110018811 DE102011018811A1 (en) 2011-04-27 2011-04-27 Industrial truck with a driver's roof

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EP2518006A1 EP2518006A1 (en) 2012-10-31
EP2518006B1 true EP2518006B1 (en) 2014-01-08

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Application Number Title Priority Date Filing Date
EP20120158764 Not-in-force EP2518006B1 (en) 2011-04-27 2012-03-09 Industrial truck with a driver protection roof

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EP (1) EP2518006B1 (en)
DE (1) DE102011018811A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962179A (en) * 1958-08-11 1960-11-29 Union Carbide Corp Adjustable overhead lift truck guard
US3827532A (en) * 1973-05-18 1974-08-06 T Jensen Collapsible overhead guard
US4202565A (en) * 1978-06-02 1980-05-13 Hon Industries Inc. Retractable overhead guard
DE102007049392A1 (en) 2007-05-29 2008-12-04 Linde Material Handling Gmbh fork-lift truck

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DE102011018811A1 (en) 2012-10-31

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