EP3272699B1 - Empileur d'étagères - Google Patents

Empileur d'étagères Download PDF

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Publication number
EP3272699B1
EP3272699B1 EP17177419.3A EP17177419A EP3272699B1 EP 3272699 B1 EP3272699 B1 EP 3272699B1 EP 17177419 A EP17177419 A EP 17177419A EP 3272699 B1 EP3272699 B1 EP 3272699B1
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EP
European Patent Office
Prior art keywords
shelf
drive
shelf stacker
vehicle
electronic control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17177419.3A
Other languages
German (de)
English (en)
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EP3272699A1 (fr
Inventor
Matthias Vohrer
Rolf Bez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kion Warehouse Systems GmbH
Original Assignee
Kion Warehouse Systems GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kion Warehouse Systems GmbH filed Critical Kion Warehouse Systems GmbH
Publication of EP3272699A1 publication Critical patent/EP3272699A1/fr
Application granted granted Critical
Publication of EP3272699B1 publication Critical patent/EP3272699B1/fr
Active legal-status Critical Current
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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
    • B66F9/07559—Stabilizing means
    • 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
    • B66F9/07—Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"
    • B66F9/072—Travelling gear therefor
    • 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
    • B66F9/08—Masts; Guides; Chains
    • B66F9/10—Masts; Guides; Chains movable in a horizontal direction relative to truck
    • B66F9/105—Articulated, i.e. front chassis with wheels and mast rotatable relative to rear chassis with wheels
    • 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
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/14—Platforms; Forks; Other load supporting or gripping members laterally movable, e.g. swingable, for slewing or transverse movements
    • B66F9/147—Whole unit including fork support moves relative to mast
    • B66F9/148—Whole unit including fork support moves sideways
    • 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
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/14—Platforms; Forks; Other load supporting or gripping members laterally movable, e.g. swingable, for slewing or transverse movements
    • B66F9/147—Whole unit including fork support moves relative to mast
    • B66F9/149—Whole unit including fork support rotates

Definitions

  • the invention relates to a stacker stacker with a load handling device that can be raised and lowered on a lifting frame, the stacker stacker having a three-wheel chassis and being supported on a roadway with a steerable drive wheel driven by a travel drive and two non-steered load wheels, the load wheels being supported on a roadway are spaced from the drive wheel in the vehicle longitudinal direction and are arranged laterally spaced in the vehicle transverse direction, wherein the stacker is provided with two lateral support means that are spaced from the load wheels in the vehicle longitudinal direction and are laterally spaced from the drive wheel in the vehicle transverse direction, the support means each between one from the roadway raised position, in which the support means have a floor clearance from the roadway, and a position lowered onto the roadway, in which the support means are in contact with the roadway, arranged adjustable on the shelf stacker t, wherein an actuator is provided for adjusting the support means between the raised position and the lowered position and the actuators of the support means are controlled by an electronic control device, the load-handling means being
  • Shelf stackers of this type are used in shelf systems, for example high-bay systems, for storing and retrieving pallets and loads in shelves on the shelf.
  • the stacker moves along a row of shelves in a corresponding aisle of a shelving system.
  • the load handling device With the load handling device, the shelves of the shelf located on the side of the shelf stacker are operated in order to remove or store a pallet or a load in a storage game.
  • the load handling device is movably arranged on the lifting frame by means of a thrust drive in the transverse direction of the vehicle in order to be able to move the lifting device in the transverse direction of the vehicle and thus in the horizontal lateral direction of the stacker for storing and retrieving pallets or loads in a shelf of the racking system.
  • the load handling device can be moved by means of the thrust drive to both sides of the vehicle in the horizontal lateral direction of the stacker.
  • That Load handling means can be designed as a swivel and push fork or as a telescopic fork arranged in the transverse direction of the vehicle.
  • the load handling device with the load on it is pushed out in the horizontal vehicle transverse direction and thus laterally into a shelf of the shelf system by means of the thrust drive.
  • the stacking of a pallet with a load on it from a shelf of the shelf takes place accordingly by inserting the load handling device in the transverse direction of the vehicle by means of the thrust drive and thus pulling it out of the shelf of the shelf system to the side.
  • Such stacker stackers are used with lifting frames that can have a height of more than 15 meters when fully extended.
  • Such stacker stackers have a three-wheel chassis and are supported on the roadway with a steerable drive wheel driven by a travel drive and two non-driven and non-steered load wheels.
  • the steerable drive wheel is usually arranged on the drive part side and is arranged in the middle, viewed in the transverse direction of the vehicle.
  • the two load wheels are in this case arranged on the load part side in the area of the lifting frame and the load-bearing means and are each arranged at a distance from the central drive wheel on one side of the vehicle in the transverse direction of the vehicle.
  • the execution of the chassis of such stackers with a centrally arranged steerable drive wheel enables a cost-effective design, since compared to a four-wheel chassis with a steerable drive wheel offset to the outside of the vehicle and a support roller laterally spaced from the drive wheel on the opposite side of the vehicle or with two steerable drive wheels, which are laterally displaced, on a toe angle difference compensation when cornering and on a differential coupling for accelerations and decelerations during driving can be dispensed with.
  • a stacker stacker with a three-wheel chassis - viewed from a static point of view - has deteriorated lateral stability.
  • a shelf stacker with a three-wheel chassis is pushed out of the lateral vehicle contour of the shelf stacker, ie from the vehicle side line of the Vehicle frame out, loaded. This leads to elastic deflections of the chassis, which are increased over the lifting frame by the geometric relationships in a linear function of the lifting height on the raised load handling device.
  • the lateral deflection of the chassis and thus of the mast should be as small as possible in order to achieve a high level of stability of the shelf stacker when stacking and unstacking a pallet with the load in a shelf or from a shelf of the shelf and to make it easier to position the pallet with the To achieve load on the shelf.
  • the JP H10 147498 A discloses a sideloader in which the boom can be lowered when the vehicle is stationary in order to increase the lateral stability.
  • the DE 30 16 157 A1 discloses a stacker stacker with a lowerable support leg which is brought into contact with the ground when the vehicle is stationary.
  • a forklift with a lifting mast arranged on a bogie, on which a load fork can be extended with a scissor mechanism.
  • the outriggers can be extended to increase the lateral stability when extending the load fork.
  • the associated boom is automatically swiveled out by means of a hydraulic cylinder at the same time as the actuation of a thrust cylinder of the scissor mechanism.
  • a sideloader is known in which the support means are mechanically lowered via a mechanical coupling gear when the lifting mast has been moved laterally into an end position.
  • DE 10 2013 105299 A1 discloses the preamble of claim 1.
  • a stacker which is provided with additional support means, each between a raised position from the roadway, in which the support means have a floor distance from the roadway, and a position lowered onto the roadway Position in which the support means are in contact with the roadway, are adjustably arranged on the rack stacker and in which an actuator is provided to adjust the support means between the raised position and the lowered position.
  • an acceleration sensor assigned to the lifting frame is provided, which detects lateral accelerations directed in the transverse direction of the vehicle.
  • An electronic control device which is in operative connection with the acceleration sensor and the actuators of the support means, actuates the support means as a function of the lateral acceleration detected by means of the acceleration sensor by corresponding control of the actuators from the raised position to the lowered position.
  • an improved lateral, static stability of the shelf stacker is achieved, which enables a faster stacking and unstacking process of a pallet in or from a shelf compartment of a shelf with the shelf stacker.
  • Controlling the support means as a function of the lateral accelerations occurring on the lifting frame results in high construction costs, since an additional acceleration sensor is required, and corresponding lateral accelerations must occur and be recorded on the lifting frame in order to lower the support means, so that at the beginning the bearing play corresponding lateral deflections of the chassis and thus of the mast occur.
  • the present invention is based on the object of providing a stacker stacker of the type mentioned at the outset with which, with little construction effort, support of the chassis during a storage process and a Storage process of a load in a shelf of a shelf is achieved and in which a high lateral stability of the shelf stacker is achieved during a storage process and a delivery process of a load in a shelf of a shelf with little construction effort.
  • the electronic control device is designed in such a way that when the vehicle is at a standstill and / or during an extension movement of the load handling device, the vehicle standstill and / or an extension movement of the load handling device from the electronic control device as a trigger signal or trigger criterion for controlling the actuating drives is detected, the actuators are controlled in such a way that the support means are actuated from the raised position to the lowered position.
  • the chassis of the stacker truck according to the invention can be added by lowering the two support means and thus bringing the support means into engagement with the roadway If necessary, it can be changed from a three-wheel chassis to a five-wheel chassis from time to time.
  • the stacker stacker according to the invention In the lowered position of the two laterally spaced support means in the transverse direction of the vehicle, the stacker stacker according to the invention has improved lateral, static stability and rigidity, which in the case of a stacker stacker through a faster stacking and unstacking process of a pallet in or from a shelf compartment of a shelf leads to increased handling performance leads.
  • the support means are activated when the vehicle is at a standstill and / or during an extension movement of the load handling means and acted upon in the lowered position, in addition to the stacker to be supported on the roadway and to convert from a three-wheel chassis to a five-wheel chassis when the vehicle is stationary and / or when the load handling device is extended.
  • the vehicle standstill and / or an extension movement of the load handling device is detected by the electronic control device as a trigger signal or trigger criterion in order to control the actuators in such a way that the support means are actuated from the raised position to the lowered position.
  • No additional sensor device designed as an acceleration sensor is required to activate the support means, so that the chassis is supported during a storage process and a load removal process in a shelf compartment of a shelf with little construction effort.
  • the electronic control device detects the vehicle standstill by means of a standstill traction motor of the traction drive, in particular the standstill of the traction motor after the stacker has moved.
  • the activation of the support means in the lowered position thus takes place in a state when the drive motor comes to a standstill, preferably after a previous travel movement. From this, an activation signal for lowering the support means can be made available with little construction effort, since after a travel movement of the rack stacker in which the rack stacker moved into position in the rack, a storage clearance is usually carried out with the vehicle at a standstill, around a pallet with a load to outsource or to store in a shelf.
  • the electronic control device detects the extension movement of the load-bearing means on the basis of a control signal from the thrust drive.
  • a storage game for relocating or storing a load in a shelf compartment always begins with a corresponding push-out movement of the load-bearing device with which the load-bearing device is removed from the lateral vehicle contour of the vehicle frame of the stacker is pushed out.
  • the activation of the support means in the lowered position thus takes place in a state when a corresponding control signal of the thrust drive for an extension movement of the load handling means is present, for example an operator actuates a corresponding control element.
  • An activation signal for lowering the support means can be made available from the control signal of the thrust drive, with which an extension movement of the load handling device takes place, with little construction effort, since a bearing clearance to move or store a pallet with a load in a shelf compartment with a corresponding The extension movement of the load handler starts.
  • the electronic control device detects the extension movement of the load suspension device by means of a sensor device which detects the movement of the load suspension device in the transverse direction of the vehicle.
  • a storage game for relocating or storing a load in a shelf always begins with a corresponding pushing out movement of the load handling device, with which the load handling device is pushed out of the lateral vehicle contour of the vehicle frame of the stacker.
  • the activation of the support means in the lowered position thus takes place in a state when a corresponding extension movement of the load-bearing means is detected, for example by means of an already existing sensor device.
  • an activation signal for lowering the support means can be made available with little construction effort, since a bearing clearance to move or store a pallet with a load in a shelf compartment with a corresponding extension movement of the load handling device starts.
  • the electronic control device is designed in such a way that the support means are held in the lowered position when the rack stacker travels up to a predetermined limit travel speed. If a slow travel movement of the rack stacker is required during a storage game in order to carry out a fine positioning of the rack stacker in relation to the shelf compartment, the support means thus remain activated and lowered on the roadway.
  • the electronic control device is advantageously designed in such a way that the support means are actuated from the raised position into the lowered position as a function of the lifting height of the load-bearing means. This makes it possible to activate the support means in the lowered position only when the load handling device is raised to a corresponding lifting height, in which the elastic deflections of the chassis due to the lifting height are detrimental to the stacking and unstacking of a pallet with the load and thus the Affect bearing play.
  • the electronic control device is designed in such a way that when the load handling device is pushed in, the actuating drives are activated in such a way that the support devices are actuated from the lowered position to the raised position.
  • a storage play for relocating or storing a load in a shelf always ends with a corresponding pushing-in movement of the load handling device, with which the load handling device is retracted into the lateral vehicle contour of the vehicle frame of the stacker.
  • the support means are actuated during the insertion movement of the load handling device or at the end of the insertion movement of the load handling device from the lowered position to the raised position, activation of the support devices for additional support of the rack stacker on the roadway can thus be made possible in a simple manner during the entire bearing play.
  • the support elements can also be safely moved to a new shelf compartment on the shelf by lifting the support elements.
  • the electronic control device detects the insertion movement of the load-bearing means on the basis of a control signal from the thrust drive.
  • a storage play for relocating or storing a load in a shelf compartment always ends with a corresponding insertion movement of the load handling device with which the load handling device is retracted into the lateral vehicle contour of the vehicle frame of the stacker.
  • the activation of the support means in the raised position thus takes place in a state when a corresponding control signal of the thrust drive for an insertion movement of the load handling means is present or the insertion movement is ended, for example an operator uses a corresponding control element actuated or released after an actuation.
  • an activation signal for lifting the support means can be made available with little construction effort, since a bearing clearance to move or store a pallet with a load in a shelf compartment with a corresponding Push-in movement of the load handling device ends.
  • the electronic control device detects the insertion movement of the load suspension device by means of a sensor device which detects the movement of the load suspension device in the transverse direction of the vehicle.
  • a storage play for relocating or storing a load in a shelf compartment always ends with a corresponding insertion movement of the load handling device with which the load handling device is retracted into the lateral vehicle contour of the vehicle frame of the stacker.
  • the activation of the support means in the raised position thus takes place in a state when a corresponding insertion movement of the load handling means is detected, for example by means of an already existing sensor device.
  • an activation signal for lifting the support means can be made available with little construction effort, since a bearing clearance to move or store a pallet with a load in a shelf compartment with a corresponding insertion movement of the load handling device ends.
  • the support means are preferably arranged in the region of a battery compartment of the stacker. This results in the lowered position of the support means formed by the two support means and the two load wheels, which leads to a high lateral stability of the stacker according to the invention in the lowered position of the support means.
  • the support means are particularly advantageously arranged in the area of the battery compartment below a traction battery arranged in the battery compartment. This leads to a protected and space-saving arrangement of the support means together with their actuators.
  • the support means are each designed as a support roller, each of which is rotatably mounted in a roller holder about an axis of rotation, the roller holder being arranged pivotably about a horizontal pivot axis on a vehicle frame of the stacker is.
  • support elements designed as support rollers With support elements designed as support rollers, a travel movement of the shelf stacker is made possible in a simple manner in the lowered position of the support rollers in order to carry out a fine positioning of the shelf stacker in relation to the shelf compartment.
  • the support rollers With a roller holder in which the support roller is rotatably mounted and which is arranged on the vehicle frame of the stacker so that it can pivot about a horizontal pivot axis, the support rollers can be actuated in a simple manner by a corresponding pivoting movement of the roller holder into the lowered position and the raised position.
  • the axis of rotation of the support roller is advantageously spaced from the pivot axis of the roller holder. In this way it is achieved in a simple manner that a pivoting movement of the roller holder about the pivot axis causes a vertical movement of the support roller between the lowered position and the raised position.
  • the support rollers are each designed as non-steerable support rollers which are rotatably mounted in the roller holder about a horizontal axis of rotation arranged in the transverse direction of the vehicle. Since when the support rollers are lowered, the rack stacker only travels in a straight line in a rack aisle in order to fine-tune the positioning of the rack stacker in relation to the shelf compartment, the support rollers can be designed as simply structured, non-steerable support rollers that are positioned around a horizontal axis of rotation in the roll holder in the transverse direction of the vehicle are rotatably mounted.
  • the actuator is expediently attached to a vehicle frame of the stacker and is in operative connection with the roller holder at a distance from the pivot axis.
  • the lowering movement of the respective support means from the raised position into the lowered position is stopped when the support means comes into contact with the ground with the roadway.
  • the electronic control device can stop the two actuators, each actuating and lowering a corresponding support means, individually, for example switched off or actively braked them, when the support means actuated by the corresponding actuator touches the roadway. In this way, regardless of the condition of the roadway and any unevenness in the ground, always optimal support of the stacker can be achieved by means of the two support means lowered onto the roadway.
  • the actuating drives are stopped when the associated support means is actuated from the raised position to the lowered position when ground contact of the support means is detected by means of a sensor device.
  • a sensor device that detects ground contact of the support means and which is connected to the electronic control device, it is possible with little additional construction effort that the two actuating drives can be stopped individually by the electronic control device, for example switched off or actively braked when the support means actuated by the corresponding actuator touches the roadway. In this way, regardless of the condition of the roadway and any unevenness in the ground, always optimal support of the stacker can be achieved by means of the two support means lowered onto the roadway.
  • the actuator is in each case designed as a linear drive, in particular an electric linear drive, which is used for
  • Control is in operative connection with the electronic control device. With electric linear drives, the support means can be actuated with little construction effort.
  • the linear drive advantageously has an actuating rod that can be extended and retracted in operative connection with the roller holder.
  • actuating rod of the linear drive By extending or retracting the actuating rod of the linear drive, a corresponding pivoting movement of the roller holder for lowering and raising the support roller can thus be achieved in a simple manner.
  • the actuator designed as a linear drive when the support means comes into contact with the ground
  • the actuating rod of the linear drive actuates the roller holder when the support means is actuated from the raised position to the lowered position with the interposition of a Spring device, so that further movement of the actuating rod is made possible when the support means comes into contact with the ground.
  • the actuating rod of the linear drive can easily be released relative to the roller holder which, when the support means is placed on the track and thus ends the pivoting movement of the roller holder, enables further movement of the actuating rod of the linear drive against the spring force of the spring device without causing a further lowering movement of the support means.
  • the sensor device can be formed by a position switch which is operatively connected to the roller holder and which can be actuated by means of a switching flag arranged on the actuating rod of the linear drive.
  • a position switch which is operatively connected to the roller holder and which can be actuated by means of a switching flag arranged on the actuating rod of the linear drive.
  • an advantageous embodiment of the invention provides that the electronic control device, when the associated support means is actuated, from the raised position in the lowered position, the power consumed by the actuator, in particular an electric actuator, is monitored. With a monitoring of the power consumed by the respective actuators, it is possible with little additional construction effort that the two actuators can be stopped individually by the electronic control device, for example switched off or actively braked, when the support means actuated by the corresponding actuator is on the Lane touches down. In this way, regardless of the condition of the roadway and any unevenness in the ground, always optimal support of the stacker can be achieved by means of the two support means lowered onto the roadway.
  • the actuator is advantageously stopped by the electronic control device when the power consumed by the actuator exceeds a predetermined limit value. If the support means has reached ground contact when the associated support means is actuated from the raised position to the lowered position, the power consumed by the actuator increases because the support means is pressed onto the roadway when the actuator continues to be actuated.
  • the predetermined limit value is expediently exceeded when the support means reaches the roadway. If a corresponding limit value for the power consumed by the actuator is specified in the electronic control device, the lowering movement of the respective support means from the raised position to the lowered position can thus be ended in a simple manner and the actuator can be stopped individually when the support means comes into contact with the ground. for example switched off or actively braked.
  • a supporting force arises on the support means which is dependent on the predetermined limit value for the power consumed by the actuator.
  • the predetermined limit value for the power consumed by the actuator and thus the supporting force of the support means that is established is preferably dimensioned in such a way that the drive wheel and / or the load wheels are prevented from lifting off the roadway.
  • the actuator is designed as a hydraulic actuator, the hydraulic actuator when actuating the assigned support means from a predetermined pressure is applied from the raised position to the lowered position.
  • Operating the hydraulic actuators with a given hydraulic pressure makes it possible, with little additional construction effort, to stop the lowering movement of the respective support means from the raised position to the lowered position individually when the corresponding support means comes into contact with the ground. In this way, regardless of the condition of the roadway and any unevenness in the ground, always optimal support of the stacker can be achieved by means of the two support means lowered onto the roadway.
  • the predetermined pressure for the hydraulic actuator is preferably selected in such a way that a supporting force that is predetermined when the ground is in contact with the roadway is not exceeded on the supporting means.
  • the predetermined pressure with which the hydraulic actuator is acted upon, and thus the supporting force of the supporting means when it comes into contact with the ground, is preferably dimensioned in such a way that the drive wheel and / or the load wheels are prevented from lifting off the roadway.
  • the load-handling means can be designed as a swivel-push fork or as a telescopic fork which has a load fork which is arranged to be displaceable in the transverse direction of the vehicle.
  • the stacker stacker 1 has a vehicle body with a vehicle frame 2 in which a battery compartment for receiving a traction battery 3 of a battery-electric drive system of the stacker stacker 1 is formed.
  • the stacker stacker 1 has a lifting mechanism formed by a lifting frame 4, on which a driver's cab 5 designed as a car or driver's cab, which forms a driver's workstation F for an operator, can be moved up and down by means of a lifting drive, not shown in detail.
  • a load handling device 6 for operating shelves located on the side of the rack stacker 1 is arranged on the liftable and lowerable driver's platform 5.
  • the load-handling device 6 is designed as a swivel and push fork which is arranged on a driver's cab 5 Additional lifting mast 7 is arranged so that it can be raised and lowered.
  • the load handling device can be formed by a telescopic fork which is arranged displaceably in the transverse direction Q of the vehicle and which is arranged on the driver's cab 5.
  • the stacker stacker 1 has a three-wheel chassis and is supported by means of two non-steered and non-driven load wheels 8, which are arranged at an end of the vehicle frame 2 on the load part side, and a steerable and by means of a travel drive, not shown in detail, for example an electric one Traction motor, driven drive wheel 9, which is arranged at an end of the vehicle frame 2 on the drive part side, on a roadway FB.
  • the load wheels 8 are thus spaced apart from the drive wheel 9 in the vehicle longitudinal direction L.
  • the drive wheel 9 is arranged in the middle as seen in the transverse direction Q of the vehicle.
  • the two load wheels 8 are each of the centrally arranged drive wheel 9 - as in connection with the Figure 2 can be seen - spaced in the vehicle transverse direction Q and are located on the corresponding vehicle outer sides.
  • an electric drive system which includes the electric traction motor and a steering drive, for example an electric steering motor, for the steerable drive wheel 9 and an electrically operated hydraulic pump unit, which is provided to supply the working hydraulics, which from the lifting drive of the lifting mechanism 4 and a lifting drive of the additional lifting mast 7 as well as drives for the swiveling and pushing fork provided in the illustrated embodiment are formed as load handling means 6.
  • a steering drive for example an electric steering motor
  • an electrically operated hydraulic pump unit which is provided to supply the working hydraulics, which from the lifting drive of the lifting mechanism 4 and a lifting drive of the additional lifting mast 7 as well as drives for the swiveling and pushing fork provided in the illustrated embodiment are formed as load handling means 6.
  • the drive part of the stacker stacker 1 is located in the longitudinal direction of the vehicle in front of the battery compartment.
  • the drive part is covered by a hood 10.
  • the load part of the stacker truck 1 is located in the longitudinal direction of the vehicle behind the battery compartment and includes the load handling device 6.
  • control and operating elements required for operating the stacker truck 1 are arranged in the driver's cab 5, for example in the form of an operating device designed as a control panel B.
  • the control panel B is used to control the drive and the load handling functions of the stacker 1 Provided appropriate controls and a steering actuator to control the steering.
  • the load handling device 6 is - as in the Figure 3 can be seen in more detail - arranged movably in the vehicle transverse direction Q on the driver's cab 5 by means of a sideshift device 15.
  • the side thrust device 15 has a carrier 11 which is arranged on the front side of the driver's cab 5 and on which a thrust carriage 12 provided with the load suspension means 6 is arranged such that it can be displaced in the transverse direction Q of the vehicle in the horizontal direction.
  • the push slide 12 can be moved in the transverse direction Q of the vehicle by means of a push drive 13 on the carrier 11.
  • the auxiliary lift mast 7 can be pivoted about a vertical axis V relative to the push slide 12 on the push slide 12, which is displaceable in the transverse direction Q of the vehicle, by means of a swivel device.
  • a load fork with two fork prongs can be raised and lowered on the additional lifting mast 7.
  • a horizontal pushing movement in the transverse direction Q of the vehicle and a pivoting movement about the vertical axis V can be generated as the movement of the load handling device 6, so that the pivoting and pushing fork can serve shelves on both sides of the stacker.
  • the thrust drive 13 of the sideshift device 15 comprises, for example, a hydraulic motor (not shown in detail) which is arranged on the thrust slide 12.
  • the hydraulic motor drives a pinion which meshes with racks 18 which are arranged on the front of the carrier 11.
  • the thrust carriage 12 can thus be displaced in the transverse direction Q of the vehicle along the carrier 11.
  • the mast 4 of the stacker 1 is designed as a multi-section mast.
  • the mast 4 is designed as a so-called triplex mast with a standing mast 4a arranged on the vehicle frame 2, a first extendable mast 4a that can be extended upward in the standing mast 4a and a second extendable mast 4b that can be extended upward in the first extendable mast 4a, in which the driver's cab 5 follows above is arranged extendable.
  • the stacker stacker 1 is shown with the mast 4 fully extended upwards and the driver's platform 5 fully raised.
  • the side thrust device 15 is actuated in such a way that the thrust carriage 12 is retracted and the load-handling device 6 is located within the lateral vehicle of the vehicle frame 2.
  • the load handling device 6 with the load 20 possibly located thereon is displaced in the horizontal transverse direction Q of the vehicle by means of the thrust drive 13 of the sideshift device 15.
  • the side thrust device 15 is shown in a position in which the thrust carriage 12 is pushed out in the transverse direction of the vehicle Q and the load handling device 6 is in a position pushed out laterally into the shelf.
  • the load handling device 6 with the load 20 is located outside the lateral vehicle contour of the vehicle frame 2.
  • the load handling device 6 For a bearing game for stacking a load 20 located on the load suspension device 6 in a shelf of the shelf, starting from the Figure 2 by appropriate actuation of the thrust drive 13 and an extension movement, the load handling device 6 in the vehicle transverse direction Q in the Figure 3 position shown extended. After the load has been placed in the shelf compartment, the load handling device 6 is returned to the position in the vehicle transverse direction Q by appropriate actuation of the thrust drive 13 and an insertion movement Figure 2 shown position inserted.
  • the load handling device 6 For a storage game for stacking a load 20 located in a shelf of the shelf, starting from the Figure 2 by appropriate actuation of the thrust drive 13 and an extension movement, the load handling device 6 in the vehicle transverse direction Q in the Figure 3 position shown extended. After the load has been picked up from the shelf compartment, the load pick-up means 6 in the transverse direction Q of the vehicle is returned to the position shown in FIG Figure 2 shown position inserted.
  • the shelf stacker 1 according to the invention - as in connection with the Figures 4 to 6 is shown in more detail - provided with two lateral support means 20 which are spaced apart from the load wheels 8 in the vehicle longitudinal direction L and are arranged laterally spaced apart from the drive wheel 9 in the vehicle transverse direction Q.
  • the support means 20 arranged on one side of the vehicle is shown, on which the structure of the two support means 20 is described in more detail.
  • a support means 20 analogous to the support means 20 shown is arranged on the opposite side of the vehicle.
  • the support means 20 are arranged in the region of the battery compartment of the stacker truck 1 and arranged below the traction battery 3 arranged in the battery compartment.
  • the traction battery is not shown for the sake of simplicity.
  • the support means 20 are each arranged on the inside of a frame side member 2a, 2b of the vehicle frame 2, so that the support means 20 - as seen in the transverse direction Q of the vehicle - are located inside the vehicle frame 2. Viewed in the longitudinal direction L of the vehicle, the support means are located adjacent to the drive wheel 9.
  • the support means 20 are each between a position raised from the roadway FB, in which the support means 20 are raised from the roadway FB and are at a distance from the ground, and a position lowered onto the roadway FB, in which the support means 20 are lowered onto the roadway FB and are in contact with the track FB, arranged vertically adjustable on the shelf stacker 1.
  • an actuator 21 is provided, which is in operative connection with an electronic control device 22 of the stacker truck 1 for actuation.
  • the actuator 21 is fastened and supported on the vehicle frame 2 of the stacker stacker 1 and is in operative connection with the support means 20 for its actuation between the raised position and the lowered position.
  • the support means 20 each comprise a non-steerable support roller 25 which is rotatably mounted in a roller holder 26 about a horizontal axis of rotation D arranged in the transverse direction Q of the vehicle.
  • the roll holder 26 is in each case on the
  • the vehicle frame 2 of the stacker 1 is arranged to be pivotable about a horizontal pivot axis S arranged in the transverse direction Q of the vehicle.
  • the axis of rotation D of the support roller 25 is arranged at a distance from the pivot axis S of the roller holder 26.
  • the roller holder 26 is formed by two laterally spaced levers 27a, 27b, between which the support roller 25 is arranged and rotatably mounted about the axis of rotation D.
  • Each lever 27a, 27b is pivotably mounted in a housing plate 29a, 29b of the support means 20 by means of a bearing journal 28 which forms the pivot axis S.
  • the roller holder 26 and the actuator 21 of the support means 20 are arranged between the two housing plates 29a, 29b.
  • the housing plates 29a, 29b are fastened to the vehicle frame 2 of the stacker 1. In the Figures 5 and 6th the inner housing plate 29b is not shown.
  • the actuator 21 is fastened to the vehicle frame 2 of the stacker 1 and is in operative connection with the roller holder 26 at a distance from the pivot axis S.
  • the actuating drive 21 is in each case designed as a linear drive 23, for example an electric linear drive, which is in operative connection with the electronic control device 22 for control.
  • the linear drive 23 is fastened to a housing plate 30 which is fastened to the vehicle frame 2 and has an extendable and retractable actuating rod 31 which is in operative connection with the roller holder 26 at a distance from the pivot axis S.
  • the actuating rod 31 is here oriented in the vehicle longitudinal direction L, so that by extending the actuating rod 31 and pivoting the roller holder 26 accordingly, the support roller 25 can be actuated from a raised position to a lowered position, and by retracting the actuating rod 31 and correspondingly pivoting the roller holder 26 Support roller 25 can be actuated from a lowered position to a raised position.
  • the actuating rod 31 is in operative connection with a spring housing 35 of a spring device 36.
  • the spring housing 35 is attached via a bearing pin 37 to the two levers 27a, 27b of the roller holder 26 so as to be pivotable about a pivot axis S2.
  • the actuating rod 31 protrudes through an opening in a front side 35a of the spring housing 35 into the interior of the spring housing 35 and rests with the end protruding into the spring housing 35 on a first end of the spring device 36.
  • the second end of the spring device is supported on a rear side 35b of the spring housing 35.
  • the actuating rod 31 of the linear drive 23 has an elongated hole 38 extending in the longitudinal direction through which the bearing pin 37 extends.
  • the actuating drives 21 are stopped when the associated support roller 25 is actuated from the raised position to the lowered position, for example switched off or actively braked when contact of the support roller 25 with the ground is detected by means of a sensor device 40.
  • the sensor device 40 has a position switch 41 which is operatively connected to the roller holder 26 and which can be actuated by means of a switching flag 42 arranged on the actuating rod 31 of the linear drive 23.
  • the position switch 41 is attached to the spring housing 35 for this purpose.
  • the position switch 41 is connected to the electronic control device 22.
  • the actuation rod 31 of the linear drive 23 When the actuating rod 31 of the linear drive 23 is extended and thus when the support roller 25 is actuated from the raised position to the lowered position, the actuation rod 31 actuates the roller holder 26 with the interposition of the spring device 36 until the support roller 25 comes into contact with the track FB and thus the roll holder 26 cannot pivot any further.
  • the switching flag 42 is at a distance from the position switch 41 so that the position switch 41 is not actuated. If the support roller 25 comes into ground contact with the roadway FB when the actuating rod 31 is extended, the actuating rod 31 can by means of the elongated hole 38 receiving the bearing pin 37 extend further and immerse in the spring housing 35 which is attached to the roller holder 26.
  • the spring device 36 is compressed so that the actuating rod 31, which extends further, can actuate the position switch 41 arranged on the spring housing 35 by means of the switching flag 42.
  • the linear drive 23 is stopped by the electronic control device, for example switched off or actively braked.
  • the actuation of the support roller 25 from the lowered position to the raised position takes place by retracting the actuating rod 31 of the linear drive 23 extends.
  • a protruding on the back of the spring housing 35 head of the driver 45 is larger than the opening in the rear 35b of the spring housing 35, so that the head of the driver 45 comes into contact with the rear 35b of the spring housing 35 and thus by retracting the actuating rod 31 of the Roll holder 26 can be pivoted via the spring housing 35 attached to it.
  • the electronic control device 22 is designed in such a way that when the vehicle is stationary and / or during an extension movement of the load handling device 6, the actuating drives 21 are controlled in such a way that the support devices 20 are actuated from the raised position to the lowered position.
  • the chassis With the support means 20 lowered onto the carriageway FB, the chassis is thus additionally supported on the carriageway FB during a bearing play when relocating or storing a load in a rack by temporarily turning the three-wheel chassis into a five-wheel chassis.
  • the vehicle standstill can be detected by the electronic control device 22 by a drive motor that is at a standstill, for example the standstill of the drive motor after a travel movement of the stacker truck 1, with a Position travel of the shelf stacker 1 has taken place in the shelf.
  • the extension movement of the load handling device 6 can be detected by the electronic control device 22 on the basis of a control signal of the thrust drive 13, with which an extension movement of the thrust drive 13 and thus an extension movement of the thrust carriage 12 is carried out.
  • the activation of the support of the chassis by lowering the support means 20 onto the track FB is thus carried out by the extension signal for the thrust drive 13 of the thrust carriage 12.
  • the control signal can be a signal that is generated by the actuation of a corresponding, the thrust drive 13 controlling control element is generated by the operator of the stacker truck 1.
  • the electronic control device 22 can detect the extension movement of the load handling device 6 by means of a sensor device which detects the movement of the load handling device 6 in the transverse direction Q of the vehicle.
  • the electronic control device 22 is also designed in such a way that the support means 20 are held in the lowered position when the stacker stacker 1 moves up to a predetermined limit travel speed.
  • the support means 20 designed as support rollers 25, for example as polyamide support rollers a possibly required fine positioning travel can thus be made possible during the bearing play.
  • the electronic control device 22 is also designed in such a way that, when the load receiving means 6 is pushed in, the actuating drives 21 are activated in such a way that the support means 20 are actuated from the lowered position to the raised position. During the pushing back of the pusher slide 12 into the lateral vehicle contour at the end of the bearing play, the support means 20 are thus raised again from the track FB in order to move to the next storage location with the stacker truck 1.
  • the insertion movement of the load handling device 6 can be detected by the electronic control device 22 on the basis of a control signal of the thrust drive 13, with which an insertion movement of the thrust drive 13 and thus an insertion movement of the thrust slide 12 is carried out.
  • the activation of the support of the chassis by lifting the support means 20 onto the roadway FB is thus ended by the insertion signal for the thrust drive 13 of the push slide 12.
  • the control signal can be a signal that is generated by the operator of the stacker 1 by actuating a corresponding control element that controls the push drive 13.
  • the electronic control device 22 can detect the insertion movement of the load handling device 6 by means of a sensor device which detects the movement of the load handling device 6 in the transverse direction of the vehicle.
  • the shelf stacker 1 has additional lateral support rollers 25, which can be brought into engagement with the track FB by means of the actuators 21 vertically adjustable by means of the actuators 21, in order to switch the three-wheeled chassis consisting of the two load wheels 8 and the drive wheel 9 in the rack stacker 1, if necessary, in two ways to change a five-wheel chassis.
  • the shelf stacker 1 has increased lateral static stability and increased stability due to lowering of the support means 20, which is advantageous when a load is stacked in and out of a shelf compartment of a shelf.
  • the load handling device 6 being moved in the transverse direction Q of the vehicle and moved out of the lateral vehicle contour in order to stack the load in a shelf of the shelf or to unstack it from the shelf of the shelf, the stacking and retrieval process can be accelerated by lowering the support means 20, as a result of which the shelf stacker 1 according to the invention has an increased handling line.
  • the support means 20 With the support means 20, the residual loads of the stacker 1 are increased, since the lateral deflections are reduced.
  • the support means 20 are lowered onto the roadway FB, there is a bearing play for storing or removing a load, so that the stacking and retrieval processes can be carried out more quickly.
  • the support means 20 are each provided with the sensor devices 40 formed by the position switches 41, which individually limit the adjustment path of the two actuating drives 21 depending on the distance from the floor and block the position now assumed. As a result, always correct support of the chassis of the stacker truck 1 can be achieved, which is independent of the condition of the roadway and the unevenness of the floor.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)

Claims (25)

  1. Gerbeur (1), comprenant un moyen de réception de charge (6) pouvant être relevé et abaissé sur un mât de levage (4), le gerbeur (1) présentant un châssis à trois roulettes et étant supporté sur une voie de roulement (FB) par une roulette d'entraînement (9) dirigeable et entraînée au moyen d'un système d'entraînement et par deux roulettes porteuses (8) non dirigées, les roulettes porteuses (8) étant espacées de la roulette d'entraînement (9) dans la direction de véhicule longitudinale (L) et étant disposées de manière latéralement espacée dans la direction de véhicule transversale (Q), le gerbeur (1) étant muni de deux moyens d'appui latéraux (20) qui sont espacés des roulettes porteuses (8) dans la direction de véhicule longitudinale (L) et qui sont disposés de manière latéralement espacée de la roulette d'entraînement (9) dans la direction de véhicule transversale (Q), les moyens d'appui (20) étant disposés sur le gerbeur (1) de manière réglable respectivement entre une position relevée par rapport à la voie de roulement, dans laquelle les moyens d'appui (20) présentent une garde au sol par rapport à la voie de roulement (FB), et une position abaissée sur la voie de roulement (FB), dans laquelle les moyens d'appui (20) sont en contact avec la voie de roulement (FB), respectivement un actionneur (21) étant prévu pour le réglage des moyens d'appui (20) entre la position relevée et la position abaissée, et les actionneurs (21) des moyens d'appui (20) étant pilotés par un dispositif de commande électronique (22), le moyen de réception de charge (6) pouvant être déplacé au moyen d'un dispositif d'entraînement de poussée (13) dans la direction de véhicule transversale (Q), caractérisé en ce que le dispositif de commande électronique (22) est réalisé de telle sorte qu'à l'arrêt du véhicule et/ou lors d'un mouvement d'extension du moyen de réception de charge (6), le dispositif de commande électronique (22) détectant l'arrêt du véhicule et/ou un mouvement d'extension du moyen de réception de charge (6) comme un signal de déclenchement ou un critère de déclenchement pour le pilotage des actionneurs (21), les actionneurs (21) sont pilotés de telle sorte que les moyens d'appui (20) sont actionnés de la position relevée à la position abaissée.
  2. Gerbeur selon la revendication 1, caractérisé en ce que le dispositif de commande électronique (22) détecte l'arrêt du véhicule par le fait qu'un moteur de traction du système d'entraînement se trouve à l'arrêt, en particulier l'arrêt du moteur de traction après un mouvement de translation du gerbeur (1).
  3. Gerbeur selon la revendication 1 ou 2, caractérisé en ce que le dispositif de commande électronique (22) détecte le mouvement d'extension du moyen de réception de charge (6) à l'aide d'un signal de pilotage du dispositif d'entraînement de poussée (13).
  4. Gerbeur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de commande électronique (22) détecte le mouvement d'extension du moyen de réception de charge (6) au moyen d'un dispositif capteur détectant le mouvement du moyen de réception de charge (6) dans la direction de véhicule transversale (Q).
  5. Gerbeur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le dispositif de commande électronique (22) est réalisé de telle sorte que lors d'un mouvement de translation du gerbeur (1) jusqu'à une vitesse de déplacement limite prédéfinie, les moyens d'appui (20) sont maintenus dans la position abaissée.
  6. Gerbeur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dispositif de commande électronique (22) est réalisé de telle sorte que les moyens d'appui (22) sont actionnés de la position relevée à la position abaissée en fonction de la hauteur de levage du moyen de réception de charge (6).
  7. Gerbeur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le dispositif de commande électronique (22) est réalisé de telle sorte que lors d'un mouvement de retrait du moyen de réception de charge (6), les actionneurs (21) sont pilotés de telle sorte que les moyens d'appui (22) sont actionnés de la position abaissée à la position relevée.
  8. Gerbeur selon la revendication 7, caractérisé en ce que le dispositif de commande électronique (22) détecte le mouvement de retrait du moyen de réception de charge (6) à l'aide d'un signal de pilotage du dispositif d'entraînement de poussée (13).
  9. Gerbeur selon la revendication 7 ou 8, caractérisé en ce que le dispositif de commande électronique (22) détecte le mouvement de retrait du moyen de réception de charge (6) au moyen d'un dispositif capteur détectant le mouvement du moyen de réception de charge (6) dans la direction de véhicule transversale (Q).
  10. Gerbeur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les moyens d'appui (20) sont disposés au niveau d'un compartiment de batterie du gerbeur (1).
  11. Gerbeur selon la revendication 10, caractérisé en ce que les moyens d'appui (20) sont disposés au niveau du compartiment de batterie au-dessous d'une batterie de traction (3) disposée dans le compartiment de batterie.
  12. Gerbeur selon l'une quelconque des revendications 1 à 11, caractérisé en ce que les moyens d'appui (20) sont réalisés respectivement sous forme de roulettes d'appui (25) qui sont respectivement montées en rotation autour d'un axe de rotation (D) dans un support de roulette (26), le support de roulette (26) étant respectivement disposé de manière pivotante autour d'un axe de pivotement horizontal (S) sur un cadre de véhicule (2) du gerbeur (1).
  13. Gerbeur selon la revendication 12, caractérisé en ce que l'axe de rotation (D) de la roulette d'appui (25) est espacé de l'axe de pivotement (S) du support de roulette (26).
  14. Gerbeur selon la revendication 12 ou 13, caractérisé en ce que les roulettes d'appui (25) sont respectivement réalisées sous forme de roulettes d'appui non dirigées qui sont montées dans le support de roulette (26) en rotation autour d'un axe de rotation (D) disposé horizontalement dans la direction de véhicule transversale (Q).
  15. Gerbeur selon l'une quelconque des revendications 12 à 14, caractérisé en ce que l'actionneur (21) est fixé respectivement à un cadre de véhicule (2) du gerbeur (1) et est en relation active avec le support de roulette (26) à distance de l'axe de pivotement (S).
  16. Gerbeur selon l'une quelconque des revendications 1 à 15, caractérisé en ce que le mouvement d'abaissement du moyen d'appui (20) respectif de la position relevée à la position abaissée est arrêté lorsque le moyen d'appui (20) atteint un contact avec le sol avec la voie de roulement (FB).
  17. Gerbeur selon l'une quelconque des revendications 1 à 16, caractérisé en ce que lors de l'actionnement du moyen d'appui (20) associé de la position relevée à la position abaissée, les actionneurs (21) sont arrêtés lorsqu'un dispositif capteur (40) détecte un contact avec le sol du moyen d'appui (20).
  18. Gerbeur selon l'une quelconque des revendications 1 à 17, caractérisé en ce que l'actionneur (21) est réalisé respectivement sous la forme d'un dispositif d'entraînement linéaire (23), en particulier d'un dispositif d'entraînement linéaire électrique qui est en relation active avec le dispositif de commande électronique (22) pour le pilotage.
  19. Gerbeur selon la revendication 18, caractérisé en ce que le dispositif d'entraînement linéaire (23) présente respectivement une tige d'actionnement (31) en relation active avec le support de roulette (26).
  20. Gerbeur selon l'une quelconque des revendications 16 à 19, caractérisé en ce que lors de l'actionnement du moyen d'appui (20) de la position relevée à la position abaissée, la tige d'actionnement (31) du dispositif d'entraînement linéaire (23) actionne le support de roulette (26) avec interposition d'un dispositif de ressort (36) de telle sorte qu'en cas de contact avec le sol du moyen d'appui (20), un autre mouvement de la tige d'actionnement (31) est possible.
  21. Gerbeur selon l'une quelconque des revendications 17 à 20, caractérisé en ce que le dispositif capteur (40) présente un commutateur de position (41) en relation active avec le support de roulette (26) et qui peut être actionné au moyen d'une plaque de commutation (42) disposée sur la tige d'actionnement (31) du dispositif d'entraînement linéaire (23).
  22. Gerbeur selon la revendication 16, caractérisé en ce que lors de l'actionnement du moyen d'appui associé (20) de la position relevée à la position abaissée, le dispositif de commande électronique (22) surveille la puissance absorbée par l'actionneur (21), en particulier un actionneur électrique.
  23. Gerbeur selon la revendication 22, caractérisé en ce que l'actionneur (21) est arrêté par le dispositif de commande électronique (22) lorsque la puissance de l'actionneur (21) dépasse une valeur limite prédéfinie.
  24. Gerbeur selon la revendication 16, caractérisé en ce que l'actionneur (21) est réalisé sous la forme d'un actionneur hydraulique, l'actionneur hydraulique (21) étant soumis à une pression prédéfinie lorsque le moyen d'appui (20) associé est actionné de la position relevée à la position abaissée.
  25. Gerbeur selon l'une quelconque des revendications 1 à 24, caractérisé en ce que le moyen de réception de charge (6) est réalisé sous la forme d'une fourche tridirectionnelle ou d'une fourche télescopique.
EP17177419.3A 2016-07-12 2017-06-22 Empileur d'étagères Active EP3272699B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016112725.6A DE102016112725A1 (de) 2016-07-12 2016-07-12 Regalstapler

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EP3272699A1 EP3272699A1 (fr) 2018-01-24
EP3272699B1 true EP3272699B1 (fr) 2021-09-22

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2024119080A1 (fr) * 2022-12-02 2024-06-06 Signode Industrial Group Llc Stabilisateur pour véhicule de système de stockage et de récupération automatisé

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Publication number Priority date Publication date Assignee Title
EP3543201B1 (fr) * 2018-03-21 2023-06-07 Toyota Material Handling Manufacturing Sweden AB Chariot élévateur comprenant une roue auxiliaire et procédé de stabilisation d'un tel chariot élévateur
DE102021006475A1 (de) * 2021-12-29 2023-06-29 Kion Warehouse Systems Gmbh Flurförderzeug, insbesondere Schmalgangstapler

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GB1179014A (en) * 1967-01-31 1970-01-28 Dso Balkancar Fork-Lift Truck
DE3016157C2 (de) * 1980-04-26 1985-11-21 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg Regalstapler für große Hubhöhen
JPH10147498A (ja) * 1996-11-19 1998-06-02 Toyo Umpanki Co Ltd 荷役車両
JP2000344488A (ja) * 1999-06-07 2000-12-12 Tcm Corp サイドフォーク式搬送用車両
DE102013100074A1 (de) * 2013-01-07 2014-07-10 Linde Material Handling Gmbh Flurförderzeug mit zumindest einer gefederten Stützrolle in einem Antriebsteil
DE102013105299A1 (de) 2013-05-23 2014-11-27 Kion Warehouse Systems Gmbh Flurförderzeug, insbesondere Kommissionierflurförderzeug mit einem anhebbaren und absenkbaren Fahrerstand

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024119080A1 (fr) * 2022-12-02 2024-06-06 Signode Industrial Group Llc Stabilisateur pour véhicule de système de stockage et de récupération automatisé

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DE102016112725A1 (de) 2018-01-18

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