EP0801024B1 - Device for storing and retrieving articles, in particular in a warehouse with storage racks - Google Patents

Device for storing and retrieving articles, in particular in a warehouse with storage racks Download PDF

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Publication number
EP0801024B1
EP0801024B1 EP97250114A EP97250114A EP0801024B1 EP 0801024 B1 EP0801024 B1 EP 0801024B1 EP 97250114 A EP97250114 A EP 97250114A EP 97250114 A EP97250114 A EP 97250114A EP 0801024 B1 EP0801024 B1 EP 0801024B1
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EP
European Patent Office
Prior art keywords
pair
fixed point
pulling means
central
guided
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97250114A
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German (de)
French (fr)
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EP0801024A3 (en
EP0801024A2 (en
Inventor
Jörg o. Univ.-Professor Dr. Oser
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Siemens AG
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Siemens AG
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Publication of EP0801024A2 publication Critical patent/EP0801024A2/en
Publication of EP0801024A3 publication Critical patent/EP0801024A3/en
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Publication of EP0801024B1 publication Critical patent/EP0801024B1/en
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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
    • B66F9/12—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
    • B66F9/141—Platforms; Forks; Other load supporting or gripping members laterally movable, e.g. swingable, for slewing or transverse movements with shuttle-type movement

Definitions

  • the invention relates to a device for extending or retracting piece goods from or into a storage compartment with a conveyor device, in particular in a high-bay warehouse, which has a storage and retrieval unit that can be moved in a single wide aisle, and a lifting device with a loading platform, the conveyor device at least one has a form-fitting gripping device which can be moved by a double piece goods depth in the direction of the removal, arranged on a telescopic device with a plurality of telescopic sections guided in one another, in accordance with the preamble of claim 1.
  • Such a device is known from DE 44 22 240 A1.
  • Devices of this type are used to positively push or pull one or more deeply stored loading units (piece goods) when storing from a loading platform onto a standard shelf or when relocating from the shelf onto the loading platform.
  • the loading platform can be mounted on the pallet truck of a storage and retrieval unit.
  • the automated load pick-up of small to medium-sized items and weights takes place either by means of underside telescopic devices (see PCT / WO-94/0 444 7; see US-PS 4988 262; see FR 2195 486 A) or more independently of the Load through (non-positive or positive) gripping and pulling technology (see DE 3917 486 A1; see 3917 485 A1; see DE 43 31 920 C2; see EP 0 647 575 A1).
  • the underrun telescopic device has the disadvantage of deflection under load. The drawing technique avoids this disadvantage.
  • the invention has for its object to disclose another structural design of a generic device. This object is achieved in a generic device with the characterizing features of claim 1.
  • the sub-claims contain advantageous refinements. Since the lower table in the type of the center table is also indirectly driven by means of traction means pairs, the traction means pairs being guided over non-driven head rollers for the forward movement and fastened to the center table at a relative fixed point, therefore only a single drive motor is required for the entire drive of the telescopic device , whereby the drive movement is transmitted directly from the supporting frame to the upper table, whereas an indirect drive movement transmission takes place on the middle table and the lower table.
  • the solution described is therefore advantageous because an extremely low outlay on equipment parts is required.
  • the drive connection or drive transmission takes place without play, i.e.
  • Such a telescopic device can be easily telescoped on two sides and yet is correspondingly light in weight.
  • the conveying device which can be telescoped on both sides is pushed in the Z direction into the mentioned gap between the bottom edge of the storage floor and the top edge of the piece goods.
  • the conveyor consists of a flat design telescope that can be extended or retracted in the Z direction.
  • the multi-depth design allows for a very high volume utilization of the high-bay warehouse with a single-deep rack aisle width, without losing the advantage of selective access to the loading unit (piece goods).
  • the under table contains a double swivel arm device for load transport and is equipped with a telescopic power supply for energy and signal lines.
  • the swivel arms When moving the conveyor into the gap between the bottom edge of the storage floor and the top edge of the cargo, the swivel arms must be folded flat into the telescope to avoid undesired collisions. After reaching the front or the two Z-arm pairs are swung down into the free space between other loading units (piece goods) for the retrieval.
  • the swivel angle is adjustable depending on the height and width of the loading unit.
  • After unfolding the swivel arms there is a positive connection between the front face of the general cargo and the two swivel arms for the retrograde Z movement. As a result, the load is pulled onto the loading platform against the frictional engagement of the loading unit support. In principle, this process is possible for every Z-loading unit position that can be reached by the conveyor, but a practically achievable limit will be three to four times the storage.
  • the pair of traction means for the upper table each consist of a double toothed endless toothed belt which engages in a toothed rack attached to the upper side of the upper table. This results in a largely noise-free run, whereby lubrication is not required compared to chains, but rather a maintenance-free design.
  • the lower table can be moved longitudinally on both sides in guide rails, which are fastened to the central table, by means of paired castors which are rotatably mounted in the side walls, relative to the central table. Both the arrangement of the guide rails and their fastening in the center table are consequently carried out in the smallest possible space in order to enable the desired flat design of the overall device.
  • the center table can also be moved longitudinally by means of rollers in guide rails of the upper table on both sides.
  • guide rails can be connected to the upper table, in which the rollers of the center table are guided. This measure also contributes to the lowest possible construction of the telescopic device.
  • the other measures relate to the accommodation of the traction means, it being provided that between the guide rail of the center table or the guide rail of the upper table and the respective castors next to the axis of the roller (above and below the axis of the roller) on two sides at a distance tangentially the traction devices for the forward and backward movement of the upper table or the middle table or the lower table are each guided over two head rollers to a fixed point.
  • These measures therefore also serve the compact, extremely flat design of the telescopic device.
  • the fixed points are each formed by toothed belts toothed on one side, which are fixed on the respective table by means of corresponding toothed clamping pieces.
  • the toothing of the toothed belt is therefore used to the extent that a special space-saving flat design is achieved.
  • the traction means have carbon fibers or metallic conductors for signal transmission and / or for the power supply of the under table.
  • FIG. 3 shows a cross section C - D according to FIG. 2 approximately at the level of the supporting frame.
  • the device for the removal or storage of piece goods can, for example, in a high-bay warehouse for piece goods (loading units), such as boxes, cartons, packages, containers and the like. can be used on a loading platform 1.
  • the loading units have, for example, a minimum width of approx. 150 mm and a maximum width of approx. 600 mm and weigh a maximum of approx. 50 kg.
  • the conveyor device 2 shown here has a three-part telescopic device 3 and is intended for double-deep storage with a single-deep aisle width.
  • a four-part telescopic device for triple-deep storage of loading units with a single-deep aisle width can be used.
  • the three-part telescopic device 3 has three moving assemblies, which are carried by a supporting frame 5, an upper table 6, a central table 7 and a lower table 8.
  • the The lower table 8 is supported on the center table 7 by means of rollers 9, while the center table 7 is supported on the upper table 6 by means of rollers 10.
  • the upper table 6 in turn is supported on the support frame 5 by means of rollers 11.
  • the rollers 9, 10 and 11 are each on relevant table or guided on the support frame 5 in guide rails 12.
  • the entire conveying device 2 is kept so low with its relevant overall height 2a that it can be moved in or out into a gap between a lower edge of a storage floor and an upper edge of a piece goods.
  • the upper table 6 is driven forwards and backwards directly by means of a drive 13 arranged on the support frame 5, which consists of a gear motor 13a and by means of a pinion 14 on the output of the drive 13, and by means of an endless pair of traction means 15 and 17.
  • the pair of traction means 15, 17 is guided over a pair of wheels 16a mounted on an intermediate shaft 16 and the pinions 14 and drives the upper table 6 in a non-positive and / or frictional manner.
  • the middle table 7 and the lower table 8 are by means of pairs of traction means 18a, 18b; 23a, 23b, and 26a, 26b, 31a, 31b indirectly driven.
  • the pair of traction means 18a, 18b is guided from a first fixed point 19 on the rear part of the support frame 5 via head rollers 20 at the front end of the upper table 6 and on the subsequent center table 7 at the rear ends of the via a second fixed point 21 attached.
  • a pair of traction means 23a, 23b extends from a fixed point 22 arranged at the front end of the support frame 5, around head rollers 30 at the rear end of the upper table 6, to a relative fixed point 24 at the front end of the central table 7.
  • the traction means 15 and 17 each consist of a first and a second double-toothed, endless toothed belt, the opposite upper and lower sides of which bear the toothings.
  • the underside toothing engages in each case Corresponding pinion 14 or in the pair of wheels 16a and the top teeth on the top 6a in a rack 6b in a rack bar 44th
  • the traction means 18a, 18b is attached to the fixed point 19 of the support frame 5 in the rear upper table level, around the non-driven head roller 20 of the upper table 6 (front part) deflected by approximately 180 ° and at the lower relative fixed point 21 of the central table 7 (rear Part) attached.
  • the further traction means 23a, 23b with the upper fixed point 22 on the support frame 5 (front part) are wrapped around the top rollers 30 of the upper table 6 (front part) and the return to the relative fixed point 24 on the center table 7 (front part) provided.
  • the center table 7 is indirectly driven, with traction means 18a and 18b being fastened in pairs at the fixed points 19 on the supporting frame 5 for the forward movement, deflected by non-driven head rollers 20 on the upper table 6 and at the front relative fixed points 21 of the subsequent center table 7 are attached.
  • the further pair of traction means 23a, 23b with the upper fixed points 22 on the front part of the support frame 5 with the head roller 30 wrapped around the upper table 6 (rear part) and the return to the relative fixed points 24 on the center table 7 are provided.
  • the lower table 8 is indirectly driven forwards via the pair of traction means 26a, 26b and backwards via the pair of traction means 31a, 31b.
  • the pairs of traction means 26a, 26b are guided from the relative fixed point 28 on the rear part of the upper table 6 via non-driven head rollers 27 on the front part of the middle table 7 and attached to the lower table 8 (rear part) at a relative fixed point 46 and for the backward movement the pairs of traction means 31a, 31b are guided from relative fixed points 25 via non-driven head rollers 29 on the rear part of the center table 7 and fastened to a relative fixed point 47 on the lower table 8 (front part).
  • the lower table 8 is moved on both sides by the head rollers 27 and 29, which are rotatably mounted in the center table 7 but are not driven, in that the traction means 26a, 26b and 31a, 31b have their relative fixed points 28 and 25 not on the support frame 5, but on the Have the underside of the upper table 6.
  • the traction means 18a, 18b; 23a, 23b and 26a, 26b and 31a and 31b are braced against each other in pairs, so that a force transmission occurs through simultaneous loading and unloading of the respective pairs of traction means.
  • the lower table 8 can be moved longitudinally with respect to the central table 7 by means of the pair of castors 9, which are rotatably mounted in side walls 8a, on both sides in the guide rails 12, which are attached to the central table 7.
  • the center table 7 can also be moved longitudinally by means of the rollers 10 in guide rails 12 of the upper table 6 on both sides.
  • the sides are tangentially spaced on two sides Traction means for the forward and backward movement of the upper table 6 or of the middle table 7 or of the lower table 8 each running over two head rollers 20; 27; 29; 30 up to their respective fixed point 19; 21; 22; 24; 28, 46, 25 , 47 out.
  • the fixed points 19; 21; 22; 24; 28, 46, 25, 47 are each formed by toothed belts 23c; 26c which are toothed on one side and which are fixed on the respective table 6, 7, 8 by means of correspondingly toothed clamping pieces 43.
  • a drive 33 is provided on the lower table 8, which sets a pivoting movement of a pair of arms 37, 37a or 38, 38a via a shaft piece 34 directly or by means of an intermediate gear 36 via switching clutches 32.
  • the opposite pivoting movement of the arm pairs 37, 37a and 38, 38a is brought about by an opposite gear stage 35.
  • the drivers 4 are fastened to the arm pairs 37, 37a and 38, 38a in order to capture a loading unit.
  • the drive arrangement of the drive 33 allows the arm pairs 37, 37a and 38, 38a to be attached in a space-saving manner, the flat design being taken into account when the arm pairs are pivoted in.
  • the power supply for the drive 33 takes place via an energy chain 39 on the upper table 6.
  • the energy chain 39 is designed as a movable power supply 40 or as a fixed power supply 41 (in FIG. 1, the fixed power supply 41 is shown with solid lines and the movable power supply 40 with dash-dotted lines) Lines shown).
  • the movable power supply 40 is led to the drive 33 together with the traction means 26b and a line 42. In addition, all energy and signal components in the lower table 8 are supplied via this line 42.
  • the traction means 18a, 18b; 23a, 23b; 26a, 26b and 31a, 31b can contain carbon fibers or metallic conductors for signal transmission and / or for supplying power to the lower table 8.
  • the telescope device 3 can also be designed as a three-part telescope over the drivers 4 for a triple-deep storage of the loading units.
  • the entire system does not require such a bending strength that is required by known equipment that engages under the loading unit; it only transmits tensile forces, which can also be advantageously absorbed by the respective traction means.
  • the telescopic device is therefore particularly light and compact to build.

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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)

Abstract

The device allows cartons to be fed to and from the warehouse storage locations via a lifting device with a load platform (1) and a telescopic device (3) with a frame (5) supporting a number of telescopic sections and pivoted grippers (4). The carrier frame has a drive (13) for direct displacement of an upper table (6) via a pair of tension elements (15,17) passed around pulley wheels (16a) and indirect displacement of a middle table (7) via further tension elements (18a,18b;23a,23b). A lower table has pairs of rollers displaced along guide rails attached to the middle table.

Description

Die Erfindung betrifft eine Vorrichtung zum Aus- oder Einfahren von Stückgut aus einem bzw. in ein Lagerfach mit einer Fördereinrichtung, insbesondere in einem Hochregallager, das ein in einem einfach breiten Lagergang verfahrbares Regalbediengerät aufweist und eine Hubeinrichtung mit einer Ladeplattform, wobei die Fördereinrichtung eine zumindest um eine zweifache Stückguttiefe in Richtung der Aus- Einlagerung verfahrbare, an einer Teleskopvorrichtung mit mehreren in einander geführten Teleskopschüssen angeordnete formschlüssige Greifeinrichtung aufweist, entsprechend dem Oberbegriff des Anspruches 1.The invention relates to a device for extending or retracting piece goods from or into a storage compartment with a conveyor device, in particular in a high-bay warehouse, which has a storage and retrieval unit that can be moved in a single wide aisle, and a lifting device with a loading platform, the conveyor device at least one has a form-fitting gripping device which can be moved by a double piece goods depth in the direction of the removal, arranged on a telescopic device with a plurality of telescopic sections guided in one another, in accordance with the preamble of claim 1.

Eine derartige Vorrichtung ist aus der DE 44 22 240 A1 bekannt.Such a device is known from DE 44 22 240 A1.

Derartige Vorrichtungen dienen dazu, ein- oder mehrfach tief gelagerte Ladeeinheiten (Stückgüter) formschlüssig beim Einlagern von einer Ladeplattform auf einen Regelfachboden bzw. beim Auslagern vom Regalfachboden auf die Ladeplattform zu schieben bzw. zu ziehen. Die Ladeplattform kann auf dem Hubwagen eines Regalbediengerätes montiert sein.Devices of this type are used to positively push or pull one or more deeply stored loading units (piece goods) when storing from a loading platform onto a standard shelf or when relocating from the shelf onto the loading platform. The loading platform can be mounted on the pallet truck of a storage and retrieval unit.

Die automatisierte Lastaufnahme von Stückgütern kleiner bis mittlerer Größe und Gewichte erfolgt entweder mittels Unterfahr-Teleskopvorrichtungen (vgl. PCT/WO-94/0 444 7; vgl. US-PS 4988 262; vgl. FR 2195 486 A) oder mehr unabhängig von der Last durch (kraft- oder formschlüssige) Greif- und Ziehtechnik (vgl. DE 3917 486 A1; vgl. 3917 485 A1; vgl. DE 43 31 920 C2; vgl. EP 0 647 575 A1). Die Unterfahr-Teleskopvorrichtung weist den Nachteil einer Durchbiegung unter Last auf. Die Ziehtechnik vermeidet diesen Nachteil.The automated load pick-up of small to medium-sized items and weights takes place either by means of underside telescopic devices (see PCT / WO-94/0 444 7; see US-PS 4988 262; see FR 2195 486 A) or more independently of the Load through (non-positive or positive) gripping and pulling technology (see DE 3917 486 A1; see 3917 485 A1; see DE 43 31 920 C2; see EP 0 647 575 A1). The underrun telescopic device has the disadvantage of deflection under load. The drawing technique avoids this disadvantage.

Der Erfindung liegt die Aufgabe zugrunde, eine andere konstruktive Ausgestaltung einer gattungsgemäßen Vorrichtung zu offenbaren. Diese Aufgabe wird bei einer gattungsgemäßen Vorrichtung mit den kennzeichnenden Merkmalen des Anspruches 1 gelöst. Die Unteransprüche beinhalten vorteilhafte Ausgestaltungen. Da auch der Untertisch in der Art des Mitteltisches mittels Zugmittelpaaren indirekt angetrieben ist, wobei für die Vorwärtsbewegung die Zugmittelpaare über nicht angetriebene Kopfrollen geführt und am Mitteltisch an einem Relativ-Festpunkt befestigt sind, ist daher für den gesamten Antrieb der Teleskopvorrichtung nur ein einziger Antriebsmotor erforderlich, wobei die Antriebsbewegung vom Tragrahmen direkt auf den Obertisch übertragen wird, hingegen auf den Mitteltisch und den Untertisch eine indirekte Antriebsbewegungsübertragung stattfindet. Die beschriebene Lösung ist daher vorteilhaft, weil ein äußerst geringer Aufwand an Einrichtungsteilen erforderlich ist. Die Antriebsverbindung bzw. Antriebsübertragung erfolgt dabei spielfrei, d.h. ohne Leerspiel, so daß die Ladeeinheiten sehr ortsgenau in einem Lager abgestellt werden können. Außerdem ist eine derartige Teleskopvorrichtung nach zwei Seiten ohne weiteres teleskopierbar und trotzdem entsprechend von geringem Gewicht. Nach Erreichen einer gewünschten Höhen-Y-Position bzw. Längs-X-Position wird die beidseitig teleskopierbare Fördereinrichtung in Z-Richtung in den erwähnten Spalt zwischen Lagerboden-Unterkante und Stückgut-Oberkante eingeschoben. Die Fördereinrichtung besteht aus dem in Z-Richtung ein- oder ausfahrbaren Teleskop in Flachbauweise. Die mehrfachtiefe Ausführung erlaubt bei einfachtiefer Regalgangbreite einen sehr hohen Volumennutzungsgrad des Hochregallagers, ohne daß der Vorteil des selektiven Zugriffes auf die Ladeeinheit (Stückgut) verlorenginge.The invention has for its object to disclose another structural design of a generic device. This object is achieved in a generic device with the characterizing features of claim 1. The sub-claims contain advantageous refinements. Since the lower table in the type of the center table is also indirectly driven by means of traction means pairs, the traction means pairs being guided over non-driven head rollers for the forward movement and fastened to the center table at a relative fixed point, therefore only a single drive motor is required for the entire drive of the telescopic device , whereby the drive movement is transmitted directly from the supporting frame to the upper table, whereas an indirect drive movement transmission takes place on the middle table and the lower table. The solution described is therefore advantageous because an extremely low outlay on equipment parts is required. The drive connection or drive transmission takes place without play, i.e. without empty play, so that the loading units can be parked very precisely in a warehouse. In addition, such a telescopic device can be easily telescoped on two sides and yet is correspondingly light in weight. After a desired height Y position or longitudinal X position has been reached, the conveying device which can be telescoped on both sides is pushed in the Z direction into the mentioned gap between the bottom edge of the storage floor and the top edge of the piece goods. The conveyor consists of a flat design telescope that can be extended or retracted in the Z direction. The multi-depth design allows for a very high volume utilization of the high-bay warehouse with a single-deep rack aisle width, without losing the advantage of selective access to the loading unit (piece goods).

Der Untertisch enthält eine Doppel-Schwenkarmvorrichtung zur Lastförderung und ist mit einer teleskopierbaren Stromversorgung für Energie- und Signalleitungen ausgerüstet.The under table contains a double swivel arm device for load transport and is equipped with a telescopic power supply for energy and signal lines.

Beim Einfahren der Fördereinrichtung in den Spalt zwischen Lagerboden-Unterkante und Stückgut-Oberkante müssen die Schwenkarme flach in das Teleskop eingeklappt sein, um unerwünschte Kollisionen zu vermeiden. Nach Erreichen der vorderen oder hinteren Z-Position des Regalstellplatzes werden für das Auslagern die beiden Schwenkarmpaare in den Freiraum zwischen andere Ladeeinheiten (Stückgütern) bheruntergeschwenkt. Der Schwenkwinkel ist dabei je nach Höhe und Breite der Ladeeinheit beliebig einstellbar. Nach dem Ausklappen der Schwenkarme entsteht für die rückläufige Z-Bewegung ein Formschluß zwischen der Stückgut-Stirnseite und den beiden Schwenkarmen. Dadurch wird die Last beim Auslagern gegen den Reibschluß der Ladeeinheit-Auflage auf die Ladeplattform gezogen. Im Prinzip ist dieser Vorgang für jede von der Fördereinrichtung erreichbare Z-Ladeeinheit-Position möglich, doch wird eine praktisch erreichbare Grenze bei dreifach- bis vierfachtiefer Lagerung liegen.When moving the conveyor into the gap between the bottom edge of the storage floor and the top edge of the cargo, the swivel arms must be folded flat into the telescope to avoid undesired collisions. After reaching the front or the two Z-arm pairs are swung down into the free space between other loading units (piece goods) for the retrieval. The swivel angle is adjustable depending on the height and width of the loading unit. After unfolding the swivel arms, there is a positive connection between the front face of the general cargo and the two swivel arms for the retrograde Z movement. As a result, the load is pulled onto the loading platform against the frictional engagement of the loading unit support. In principle, this process is possible for every Z-loading unit position that can be reached by the conveyor, but a practically achievable limit will be three to four times the storage.

Nach einer vorteilhaften Ausgestaltung ist vorgesehen, daß das Zugmittelpaar für den Obertisch jeweils aus einem doppeltverzahnten endlosen Zahnriemen besteht, der in eine an der Oberseite des Obertisches befestigte Zahnstange eingreift. Dadurch wird ein weitestgehend geräuschfreier Lauf erzielt, wobei gegenüber Ketten eine Schmierung nicht erforderlich wird, sondern von einer wartungsfreien Gestaltung auszugehen ist.According to an advantageous embodiment, it is provided that the pair of traction means for the upper table each consist of a double toothed endless toothed belt which engages in a toothed rack attached to the upper side of the upper table. This results in a largely noise-free run, whereby lubrication is not required compared to chains, but rather a maintenance-free design.

Es ist ferner vorteilhaft, daß der Untertisch mittels in Seitenwänden drehgelagerten paarweisen Laufrollen beidseitig in Führungsschienen, die am Mitteltisch befestigt sind, gegenüber dem Mitteltisch längsverfahrbar ist. Sowohl die Anordnung der Führungsschienen als auch deren Befestigung im Mitteltisch ist demzufolge auf dem kleinstmöglichen Raum vorgenommen, um die angestrebte flache Bauweise der Gesamtvorrichtung zu ermöglichen. In diesem Sinne ist es gleichermaßen vorteilhaft, daß der Mitteltisch ebenfalls mittels Laufrollen in beiderseitigen Führungsschienen des Obertisches längsverfahrbar ist. Auch hier können bei entsprechender paralleler Überdeckung der einzelnen Tische Führungsschienen mit dem Obertisch verbunden werden, in denen die Laufrollen des Mitteltisches geführt sind. Auch diese Maßnahme trägt zur möglichst niedrigen Bauweise der Teleskopvorrichtung bei.It is also advantageous that the lower table can be moved longitudinally on both sides in guide rails, which are fastened to the central table, by means of paired castors which are rotatably mounted in the side walls, relative to the central table. Both the arrangement of the guide rails and their fastening in the center table are consequently carried out in the smallest possible space in order to enable the desired flat design of the overall device. In this sense, it is equally advantageous that the center table can also be moved longitudinally by means of rollers in guide rails of the upper table on both sides. Here too, with corresponding parallel overlap of the individual tables, guide rails can be connected to the upper table, in which the rollers of the center table are guided. This measure also contributes to the lowest possible construction of the telescopic device.

Die weiteren Maßnahmen betreffen die Unterbringung der Zugmittel, wobei vorgesehen ist, daß zwischen der Führungsschiene des Mitteltisches bzw. der Führungsschiene des Obertisches und der jeweiligen Laufrollen jeweils neben der Achse der Laufrolle (über und unter der Achse der Laufrolle) an zwei Seiten mit Abstand tangential die Zugmittel für Vor- und Rückwärtsbewegung des Obertisches bzw. des Mitteltisches bzw. des Untertisches über jeweils zwei Kopfrollen verlaufend bis zu einem Festpunkt geführt sind. Diese Maßnahmen dienen daher ebenfalls der kompakten, äußerst flachen Bauweise der Teleskopvorrichtung.The other measures relate to the accommodation of the traction means, it being provided that between the guide rail of the center table or the guide rail of the upper table and the respective castors next to the axis of the roller (above and below the axis of the roller) on two sides at a distance tangentially the traction devices for the forward and backward movement of the upper table or the middle table or the lower table are each guided over two head rollers to a fixed point. These measures therefore also serve the compact, extremely flat design of the telescopic device.

Hierzu wird vorgeschlagen, daß die Festpunkte jeweils mittels einseitig verzahnten Zahnriemen gebildet sind, die mittels korrespondierend verzahnten Klemmstücken an dem jeweiligen Tisch festgelegt sind. Die Verzahnung der Zahnriemen wird daher insofern speziell genutzt, daß eine besondere platzsparende flache Bauweise erzielt wird.For this purpose, it is proposed that the fixed points are each formed by toothed belts toothed on one side, which are fixed on the respective table by means of corresponding toothed clamping pieces. The toothing of the toothed belt is therefore used to the extent that a special space-saving flat design is achieved.

Eine vorteilhafte Übertragung der Energie- bzw. Signalströme erfolgt ferner dadurch, daß die Zugmittel Karbonfasern oder metallische Leiter zur Signalübertragung und/oder zur Stromversorgung des Untertisches aufweisen.An advantageous transmission of the energy or signal currents also takes place in that the traction means have carbon fibers or metallic conductors for signal transmission and / or for the power supply of the under table.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen

Fig. 1a
eine Draufsicht im wesentlichen auf den linken Teil der Fördereinrichtung in ausgezogener Länge mit Obertisch und Mitteltisch,
Fig. 1b
eine Draufsicht im wesentlichen auf den rechten Teil der Fördereinrichtung mit Mitteltisch und Untertisch
Fig. 2
einen Querschnitt A - B gemäß den Fig. 1a und 1b bei eingezogener Fördereinrichtung und
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it
Fig. 1a
a plan view essentially of the left part of the conveyor in extended length with top table and center table,
Fig. 1b
a plan view essentially of the right part of the conveyor with center table and under table
Fig. 2
a cross-section A - B according to FIGS. 1a and 1b with the conveyor and retracted

Fig. 3 einen Querschnitt C - D gemäß Fig. 2 etwa in Höhe des Tragrahmens. Die Vorrichtung zum Aus- oder Einlagern von Stückgut kann z.B. in einem Hochregallager für Stückgüter (Ladeeinheiten), wie z.B. Kisten, Kartons, Pakete, Behälter u.dgl. auf einer Ladeplattform 1 eingesetzt werden. Die Ladeeinheiten weisen z.B. eine minimale Breite von ca. 150 mm und eine maximale Breite von ca. 600 mm auf und wiegen maximal ca. 50 kg.FIG. 3 shows a cross section C - D according to FIG. 2 approximately at the level of the supporting frame. The device for the removal or storage of piece goods can, for example, in a high-bay warehouse for piece goods (loading units), such as boxes, cartons, packages, containers and the like. can be used on a loading platform 1. The loading units have, for example, a minimum width of approx. 150 mm and a maximum width of approx. 600 mm and weigh a maximum of approx. 50 kg.

Die hier dargestellte Fördereinrichtung 2 weist eine dreiteilige Teleskopvorrichtung 3 auf und ist für doppelttiefe Lagerung bei einfachtiefer Gangbreite vorgesehen. (Analog hierzu ist eine vierteilige Teleskopvorrichtung für dreifachtiefe Lagerung von Ladeeinheiten bei einfachtiefer Gangbreite einsetzbar. Die dreiteilige Teleskopvorrichtung 3 besitzt drei bewegte Baugruppen, die von einem Tragrahmen 5 getragen werden, einem Obertisch 6, einem Mitteltisch 7 und einem Untertisch 8. Hierzu stützt sich der Untertisch 8 über Laufrollen 9 auf dem Mitteltisch 7 ab, während sich der Mitteltisch 7 über Laufrollen 10 auf den Obertisch 6 abstützt. Der Obertisch 6 stützt sich seinerseits über Laufrollen 11 auf dem Tragrahmen 5 ab. Die Laufrollen 9, 10 und 11 sind jeweils am betreffenden Nachbartisch bzw. am Tragrahmen 5 in Führungsschienen 12 geführt.The conveyor device 2 shown here has a three-part telescopic device 3 and is intended for double-deep storage with a single-deep aisle width. (Analogously to this, a four-part telescopic device for triple-deep storage of loading units with a single-deep aisle width can be used. The three-part telescopic device 3 has three moving assemblies, which are carried by a supporting frame 5, an upper table 6, a central table 7 and a lower table 8. For this purpose, the The lower table 8 is supported on the center table 7 by means of rollers 9, while the center table 7 is supported on the upper table 6 by means of rollers 10. The upper table 6 in turn is supported on the support frame 5 by means of rollers 11. The rollers 9, 10 and 11 are each on relevant table or guided on the support frame 5 in guide rails 12.

Die gesamte Fördereinrichtung 2 ist mit ihrer maßgeblichen Bauhöhe 2a so niedrig gehalten, daß sie in einen Spalt zwischen einer Lagerboden-Unterkante und einer Stückgut-Oberkante ein- bzw. ausgefahren werden kann. Der Obertisch 6 wird mittels eines auf dem Tragrahmen 5 angeordneten Antriebs 13, der aus einem Getriebemotor 13a besteht und mittels eines Ritzels 14 auf dem Abtrieb des Antriebs 13, ferner mittels eines endlosen Zugmittelpaares 15 und 17 vorwärts und rückwärts direkt angetrieben. Das Zugmittelpaar 15, 17 ist über ein auf einer Zwischenwelle 16 gelagerten Räderpaar 16a sowie die Ritzel 14 geführt und treibt den Obertisch 6 kraftund/oder reibschlüssig an. Der Mitteltisch 7 und der Untertisch 8 werden mittels Zugmittelpaaren 18a, 18b; 23a, 23b, sowie 26a, 26b, 31a, 31b indirekt angetrieben. Für eine Vorwärtsbewegung (nach rechts) ist das Zugmittelpaar 18a,18b von einem ersten Festpunkt 19 am hinteren Teil des Tragrahmens 5 über Kopfrollen 20 am vorderen Ende des Obertisches 6 geführt und an dem nachfolgenden Mitteltisch 7 an den hinteren Enden des über einen zweiten Festpunkt 21 befestigt. Für eine Rückwärtsbewegung verläuft ein Zugmittelpaar 23a, 23b von einem am vorderen Ende des Tragrahmens 5 angeordneten Festpunkt 22 ausgehend um Kopfrollen 30 am hinteren Ende des Obertischs 6 herum jeweils bis zu einem relativen Festpunkt 24 am vorderen Ende des Mitteltischs 7.The entire conveying device 2 is kept so low with its relevant overall height 2a that it can be moved in or out into a gap between a lower edge of a storage floor and an upper edge of a piece goods. The upper table 6 is driven forwards and backwards directly by means of a drive 13 arranged on the support frame 5, which consists of a gear motor 13a and by means of a pinion 14 on the output of the drive 13, and by means of an endless pair of traction means 15 and 17. The pair of traction means 15, 17 is guided over a pair of wheels 16a mounted on an intermediate shaft 16 and the pinions 14 and drives the upper table 6 in a non-positive and / or frictional manner. The middle table 7 and the lower table 8 are by means of pairs of traction means 18a, 18b; 23a, 23b, and 26a, 26b, 31a, 31b indirectly driven. For a forward movement (to the right), the pair of traction means 18a, 18b is guided from a first fixed point 19 on the rear part of the support frame 5 via head rollers 20 at the front end of the upper table 6 and on the subsequent center table 7 at the rear ends of the via a second fixed point 21 attached. For a backward movement, a pair of traction means 23a, 23b extends from a fixed point 22 arranged at the front end of the support frame 5, around head rollers 30 at the rear end of the upper table 6, to a relative fixed point 24 at the front end of the central table 7.

Die Zugmittel 15 und 17 bestehen jeweils aus einem ersten und einem zweiten doppeltverzahnten, endlosen Zahnriemen, dessen sich gegenüberliegende Ober- und Unterseiten die Verzahnungen tragen. Die Unterseiten-Verzahnung greift jeweils in entsprechende Ritzel 14 bzw. in das Räderpaar 16a ein und die Oberseiten-Verzahnung auf der Oberseite 6a in eine Zahnstange 6b in einer Zahnstangen-Leiste 44.The traction means 15 and 17 each consist of a first and a second double-toothed, endless toothed belt, the opposite upper and lower sides of which bear the toothings. The underside toothing engages in each case Corresponding pinion 14 or in the pair of wheels 16a and the top teeth on the top 6a in a rack 6b in a rack bar 44th

Im eingefahrenen Zustand der Teleskopvorrichtung stehen dann Festpunkte 19 und relativen Festpunkte 21 übereinander. Das Zugmittel 18a, 18b ist an dem Festpunkt 19 des Tragrahmens 5 in der hinteren oberen Tischebene befestigt, um die nicht angetriebene Kopfrolle 20 des Obertisches 6 (vorderer Teil) um ca. 180° umgelenkt und am unteren relativen Festpunkt 21 des Mitteltisches 7 (hinterer Teil) befestigt. Für die gegenläufige Rückwärtsbewegung in negativer Z-Richtung sind die weiteren Zugmittel 23a, 23b mit dem oberen Festpunkt 22 am Tragrahmen 5 (vorderer Teil) unter Umschlingung der Kopfrollen 30 des Obertisches 6 (vorderer Teil) sowie der Rückführung zum relativen Festpunkt 24 am Mitteltisch 7 (vorderer Teil) vorgesehen.In the retracted state of the telescope device fixed points 19 and relative fixed points 21 are then one above the other. The traction means 18a, 18b is attached to the fixed point 19 of the support frame 5 in the rear upper table level, around the non-driven head roller 20 of the upper table 6 (front part) deflected by approximately 180 ° and at the lower relative fixed point 21 of the central table 7 (rear Part) attached. For the opposite backward movement in the negative Z direction, the further traction means 23a, 23b with the upper fixed point 22 on the support frame 5 (front part) are wrapped around the top rollers 30 of the upper table 6 (front part) and the return to the relative fixed point 24 on the center table 7 (front part) provided.

Allgemein ist vorgesehen, daß der Mitteltisch 7 indirekt angetrieben ist, wobei für die Vorwärtsbewegung paarweise Zugmittel 18a und 18b an den Festpunkten 19 auf dem Tragrahmen 5 befestigt sind, um jeweils nicht angetriebene Kopfrollen 20 am Obertisch 6 umgelenkt und an den vorderen relativen Festpunkten 21 des nachfolgenden Mitteltisches 7 befestigt sind.In general, it is provided that the center table 7 is indirectly driven, with traction means 18a and 18b being fastened in pairs at the fixed points 19 on the supporting frame 5 for the forward movement, deflected by non-driven head rollers 20 on the upper table 6 and at the front relative fixed points 21 of the subsequent center table 7 are attached.

Analog ist für die Rückwärtsbewegung das weitere Zugmittelpaar 23a, 23b mit den oberen Festpunkten 22 am vorderen Teil des Tragrahmens 5 unter Umschlingung der Kopfrolle 30 am Obertisch 6 (hinterer Teil) sowie der Rückführung zu den relativen Festpunkten 24 am Mitteltisch 7 vorgesehen sind.
In gleicher Weise ist der Untertisch 8 vorwärts über das Zugmittelpaar 26a,26b und rückwärts über das Zugmittelpaar 31a,31b indirekt angetrieben. Für die Vorwärtsbewegung sind die Zugmittelpaare 26a,26b vom relativen Festpunkt 28 am hinteren Teil des Obertisches 6 über nicht angetriebene Kopfrollen 27 am vorderen Teil des Mitteltisches 7 geführt und am Untertisch 8 (hinterer Teil) an einem Relativ-Festpunkt 46 befestigt und für die Rückwärtsbewegung sind die Zugmittelpaare 31a,31b von relativen Festpunkten 25 über nicht angetriebene Kopfrollen 29 am hinteren Teil des Mitteltisches 7 geführt und am Untertisch 8 (vorderer Teil) an einem Relativ-Festpunkt 47 befestigt.Analogously, for the backward movement, the further pair of traction means 23a, 23b with the upper fixed points 22 on the front part of the support frame 5 with the head roller 30 wrapped around the upper table 6 (rear part) and the return to the relative fixed points 24 on the center table 7 are provided.
In the same way, the lower table 8 is indirectly driven forwards via the pair of traction means 26a, 26b and backwards via the pair of traction means 31a, 31b. For the forward movement, the pairs of traction means 26a, 26b are guided from the relative fixed point 28 on the rear part of the upper table 6 via non-driven head rollers 27 on the front part of the middle table 7 and attached to the lower table 8 (rear part) at a relative fixed point 46 and for the backward movement the pairs of traction means 31a, 31b are guided from relative fixed points 25 via non-driven head rollers 29 on the rear part of the center table 7 and fastened to a relative fixed point 47 on the lower table 8 (front part).

Beim wechselweisen Ausfahren des Obertisches 6 in negative oder positive Z-Richtungen werden die Kopfrollen 20 bzw. 30 mit dem Obertisch 6 mitbewegt. Da die Festpunkte 19 und 22 stillstehend mit dem Tragrahmen 5 verbunden sind, müssen die relativen Festpunkte 21 und 24 den Mitteltisch 7 um den doppelten Ausfahrweg des Obertisches 6 bewegen.When the upper table 6 is extended alternately in negative or positive Z directions, the top rollers 20 and 30 are moved with the upper table 6. Since the fixed points 19 and 22 are stationary connected to the support frame 5, the relative fixed points 21 and 24 have to move the center table 7 by twice the extension distance of the upper table 6.

In gleicher Weise wird der Untertisch 8 durch die im Mitteltisch 7 drehbar gelagerten, aber nicht angetriebenen Kopfrollen 27 und 29 beidseitig bewegt, indem die Zugmittel 26a, 26b und 31a, 31b ihre Relativ-Festpunkte 28 und 25 nicht am Tragrahmen 5, sondern an der Unterseite des Obertisches 6 besitzen.In the same way, the lower table 8 is moved on both sides by the head rollers 27 and 29, which are rotatably mounted in the center table 7 but are not driven, in that the traction means 26a, 26b and 31a, 31b have their relative fixed points 28 and 25 not on the support frame 5, but on the Have the underside of the upper table 6.

Die Zugmittel 18a, 18b; 23a, 23b bzw. 26a, 26b und 31a und 31b werden paarweise gegeneinander verspannt, so daß eine Kraftübertragung durch gleichzeitige Be- und Entlastung der jeweiligen Zugmittelpaare eintritt.The traction means 18a, 18b; 23a, 23b and 26a, 26b and 31a and 31b are braced against each other in pairs, so that a force transmission occurs through simultaneous loading and unloading of the respective pairs of traction means.

Der Untertisch 8 ist mittels den in Seitenwänden 8a drehgelagerten paarweisen Laufrollen 9 beidseitig in den Führungsschienen 12, die am Mitteltisch 7 befestigt sind, gegenüber dem Mitteltisch 7 längsverfahrbar.The lower table 8 can be moved longitudinally with respect to the central table 7 by means of the pair of castors 9, which are rotatably mounted in side walls 8a, on both sides in the guide rails 12, which are attached to the central table 7.

Ebenso ist der Mitteltisch 7 ebenfalls mittels der Laufrollen 10 in beiderseitigen Führungsschienen 12 des Obertisches 6 längsverfahrbar.
Zwischen der Führungsschiene 12 des Mitteltisches 7 bzw. der Führungsschiene 12 des Obertisches 6 und der jeweiligen Laufrollen 9 sind jeweils neben einer Achse 9a (oben und unten) der Laufrolle 9, die durch eine Hohlachse 45 verläuft, an'zwei Seiten mit Abstand tangential die Zugmittel für die Vorwärts- und Rückwärtsbewegung des Obertisches 6 bzw. des Mitteltisches 7 bzw. des Untertisches 8 über jeweils zwei Kopfrollen 20;27;29;30 verlaufend bis zu ihrem jeweiligen Festpunkt 19;21;22;24;28, 46, 25, 47 geführt.Likewise, the center table 7 can also be moved longitudinally by means of the rollers 10 in guide rails 12 of the upper table 6 on both sides.
Between the guide rail 12 of the center table 7 or the guide rail 12 of the upper table 6 and the respective rollers 9, in addition to an axis 9a (above and below) of the roller 9, which runs through a hollow axis 45, the sides are tangentially spaced on two sides Traction means for the forward and backward movement of the upper table 6 or of the middle table 7 or of the lower table 8 each running over two head rollers 20; 27; 29; 30 up to their respective fixed point 19; 21; 22; 24; 28, 46, 25 , 47 out.

Die Festpunkte 19;21;22;24;28, 46, 25, 47 sind jeweils mittels einseitig verzahnten Zahnriemen 23c;26c gebildet, die mittels korrespondierend verzahnter Klemmstücke 43 an dem jeweiligen Tisch 6, 7, 8 festgelegt sind.The fixed points 19; 21; 22; 24; 28, 46, 25, 47 are each formed by toothed belts 23c; 26c which are toothed on one side and which are fixed on the respective table 6, 7, 8 by means of correspondingly toothed clamping pieces 43.

Am Untertisch 8 ist ein Antrieb 33 vorgesehen, der über ein Wellenstück 34 direkt oder mittels eines Zwischengetriebes 36 über Schaltkupplungen 32 Armpaare 37, 37a bzw. 38, 38a in eine Schwenkbewegung versetzt. Durch eine gegenläufige Getriebestufe 35 wird die gegensinnige Schwenkbewegung der Armpaare 37, 37a bzw. 38, 38a bewirkt. An den Armpaaren 37, 37a bzw. 38, 38a sind die Mitnehmer 4 befestigt, um eine Ladeeinheit zu erfassen.A drive 33 is provided on the lower table 8, which sets a pivoting movement of a pair of arms 37, 37a or 38, 38a via a shaft piece 34 directly or by means of an intermediate gear 36 via switching clutches 32. The opposite pivoting movement of the arm pairs 37, 37a and 38, 38a is brought about by an opposite gear stage 35. The drivers 4 are fastened to the arm pairs 37, 37a and 38, 38a in order to capture a loading unit.

Die Antriebsanordnung des Antriebs 33 gestattet, die Armpaare 37, 37a bzw. 38, 38a ebenso raumsparend anzubringen, wobei die flache Bauweise bei eingeschwenkten Armpaaren berücksichtigt wird.The drive arrangement of the drive 33 allows the arm pairs 37, 37a and 38, 38a to be attached in a space-saving manner, the flat design being taken into account when the arm pairs are pivoted in.

Die Stromzuführung für den Antrieb 33 erfolgt über eine Energiekette 39 auf dem Obertisch 6. Die Energiekette 39 ist als bewegliche Stromversorgung 40 oder als feste Stromversorgung 41 ausgeführt (in Fig. 1 ist die feste Stromversorgung 41 mit ausgezogenen Linien und die bewegliche Stromversorgung 40 mit strichpunktierten Linien dargestellt). Die bewegliche Stromversorgung 40 ist gemeinsam mit dem Zugmittel 26b und einer Leitung 42 zu dem Antrieb 33 geführt. Außerdem werden über diese Leitung 42 alle Energie- und Signalbauteile im Untertisch 8 versorgt.The power supply for the drive 33 takes place via an energy chain 39 on the upper table 6. The energy chain 39 is designed as a movable power supply 40 or as a fixed power supply 41 (in FIG. 1, the fixed power supply 41 is shown with solid lines and the movable power supply 40 with dash-dotted lines) Lines shown). The movable power supply 40 is led to the drive 33 together with the traction means 26b and a line 42. In addition, all energy and signal components in the lower table 8 are supplied via this line 42.

Die Zugmittel 18a, 18b; 23a,23b; 26a,26b und 31a, 31b können Karbonfasern oder metallische Leiter zur Signalübertragung und/oder zur Stormversorgung des Untertisches 8 enthalten.The traction means 18a, 18b; 23a, 23b; 26a, 26b and 31a, 31b can contain carbon fibers or metallic conductors for signal transmission and / or for supplying power to the lower table 8.

Die Teleskopvorrichtung 3 kann insgesamt auch als dreiteiliges Teleskop über die Mitnehmer 4 für eine dreifachtiefe Lagerung der Ladeeinheiten ausgebildet sein. Dabei erfordert das gesamte System nicht eine solche Biegefestigkeit, die von bekannten die Ladeeinheit untergreifenden Ausrüstungen erforderlich ist; es überträgt hierbei lediglich Zugkräfte, die zudem vorteilhaft durch die jeweiligen Zugmittel aufgenommen werden können. Die Teleskopvorrichtung ist daher besonders leicht und kompakt zu bauen.The telescope device 3 can also be designed as a three-part telescope over the drivers 4 for a triple-deep storage of the loading units. The entire system does not require such a bending strength that is required by known equipment that engages under the loading unit; it only transmits tensile forces, which can also be advantageously absorbed by the respective traction means. The telescopic device is therefore particularly light and compact to build.

Claims (7)

  1. Apparatus for retrieving articles from, and storing them in, a storage compartment with a conveying arrangement, in particular in a high-bay store, which has a storage-and-retrieval unit, which can be displaced in a single-width storage aisle, and a lifting arrangement with a loading platform, the conveying arrangement having a form-fitting gripping arrangement which can be displaced at least by twice the article depth in the retrieval/storage direction and is arranged on a telescopic apparatus with a plurality of telescopic sections guided one inside the other, characterized in that the form-fitting gripping arrangement comprises carry-along elements which can be pivoted in and out in a vertical plane, it being possible for the telescopic sections to be extended and retracted in a gap between a bottom shelf edge and a top article edge, in that the telescopic arrangement has three telescopic sections: a top table (6), a central table (7) and a bottom table (8), the carry-along elements (4), which can be pivoted in and out, being arranged on the bottom table (8), in that the top table (6) can be driven directly in the forward and rearward directions by means of a drive (13), which is arranged on a carrying frame (5) of the conveying arrangement, and by a pair of endless pulling means (15, 17), the pair of pulling means (15, 17) being guided over a pair of driven pinions, which are mounted on the carrying frame (5), and a pair of wheels (16a) and driving the top table (6) in a force-fitting and/or friction-fitting manner, in that the central table (7) can be driven indirectly by pairs of pulling means (18a, 18b; 23a, 23b) and the bottom table (8) can be driven indirectly by pairs of pulling means (26a, 26b; 31a, 31b), it being the case that, for an extending movement of the central table (7), the pair of pulling means (18a, 18b) is guided from a first fixed point (19) - in relation to the export movement - at the rear end of the carrying frame (5), over head rollers (20) at the front end of the top table (6), and fastened at a second relative fixed point (21) at the rear end of the central table (7) and, for its rearward movement, the pair of pulling means (23a, 23b) are guided from a first fixed point (22) at the front end of the carrying frame (5), over head rollers (30) at the rear end of the top table (6), to a relative fixed point (24) at the front end of the central table (7), while, for an extending movement of the bottom table (8), the pair of pulling means (26a, 26b) is guided from a first relative fixed point (28) at the rear end of the top table (6), over head rollers (27) at the front end of the central table (7), and fastened at a second relative fixed point (46) at the rear end of the bottom table (8) and, for its rearward movement, the pair of pulling means (31a, 31b) is guided from a first relative fixed point (25) [lacuna] front end of the top table (6), over head rollers (29) at the rear end of the central table (7), and fastened at a second relative fixed point (47) at the front end of the bottom table (8).
  2. Apparatus according to Claim 1, characterized in that the pair of endless pulling means (15, 17) for the top table (6) comprises in each case an endless double-toothed belt (15, 17) which engages in a rack (6b) fastened on the top side (6a) of the table (6).
  3. Apparatus according to either of Claims 1 and 2, characterized in that the bottom table (8) can be displaced longitudinally in relation to the central table (7), by means of pairs of running rollers (9) mounted rotatably in side walls (8a), in guide rails (12), which are fastened on the central table (7), on both sides.
  4. Apparatus according to one of Claims 1 to 3, characterized in that the central table (7) can likewise be displaced longitudinally by means of running rollers (9) in guide rails (12) of the top table (6) on both sides.
  5. Apparatus according to one of Claims 1 to 4, characterized in that between the guide rail (12) of the central table (7) and/or the guide rail (12) of the top table (6) and the respective running rollers (9), in each case alongside the axis (9a) of the running roller (9), on two sides, at a tangential spacing, the pulling means for forward and rearward movement of the top table (6) and/or of the central table (7) and/or of the bottom table (8) are guided, over in each case two head rollers (20; 27; 29; 30), to a fixed point (19; 21; 22; 24).
  6. Apparatus according to one of Claims 1 to 5, characterized in that the fixed points (19; 21; 22; 24, 28, 46, 25, 47) are formed in each case by means of toothed belts (23c; 26c) which are toothed on one side and are secured on the respective table (6, 7, 8) by means of correspondingly toothed clamping elements (43).
  7. Apparatus according to one of Claims 1 to 6, characterized in that the pulling means (18a, 18b; 23a, 23b; 26a, 26b; 31a, 31b) have carbon fibres or metallic conductors for transmitting signals and/or for supplying power to the bottom table (8).
EP97250114A 1996-04-10 1997-04-10 Device for storing and retrieving articles, in particular in a warehouse with storage racks Expired - Lifetime EP0801024B1 (en)

Applications Claiming Priority (2)

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DE19615999A DE19615999C1 (en) 1996-04-10 1996-04-10 Device for removing or storing general cargo, especially in a high-bay warehouse
DE19615999 1996-04-10

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EP0801024A2 EP0801024A2 (en) 1997-10-15
EP0801024A3 EP0801024A3 (en) 1999-01-13
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CA2096703A1 (en) * 1993-04-02 1994-10-03 Kurt M. Lloyd Automatic storage and retrieval system
DE4422240A1 (en) * 1993-07-14 1995-01-26 Owl Ag Logistik Systeme Buchs Method and device for handling transport stands
DE4331920C2 (en) * 1993-09-15 1996-06-13 Mannesmann Ag Transport device for moving loading units on a smooth surface without loading aids, especially for pallet trucks of a storage and retrieval machine
KR0183454B1 (en) * 1993-10-07 1999-04-15 마스다 쇼오이치로오 Apparatus for transferring cargoes
US5460475A (en) * 1993-10-21 1995-10-24 H. K. Systems, Inc. Long reach shuttle for storage and retrieval machine

Also Published As

Publication number Publication date
DE19615999C1 (en) 1997-11-20
DE59710706D1 (en) 2003-10-16
EP0801024A3 (en) 1999-01-13
ES2207706T3 (en) 2004-06-01
EP0801024A2 (en) 1997-10-15
ATE249394T1 (en) 2003-09-15

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