EP0338603A2 - Transstockeur, particulièrement pour magasins avec manutention mécanisée d'objets lourds - Google Patents

Transstockeur, particulièrement pour magasins avec manutention mécanisée d'objets lourds Download PDF

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Publication number
EP0338603A2
EP0338603A2 EP89200667A EP89200667A EP0338603A2 EP 0338603 A2 EP0338603 A2 EP 0338603A2 EP 89200667 A EP89200667 A EP 89200667A EP 89200667 A EP89200667 A EP 89200667A EP 0338603 A2 EP0338603 A2 EP 0338603A2
Authority
EP
European Patent Office
Prior art keywords
cradle
runways
rack
carriage
lifting carrier
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.)
Withdrawn
Application number
EP89200667A
Other languages
German (de)
English (en)
Other versions
EP0338603A3 (fr
Inventor
Pietro Miniotto
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.)
Cisa Costruzioni Impianti Servizi Attrezzature SpA
Original Assignee
Cisa Costruzioni Impianti Servizi Attrezzature SpA
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 Cisa Costruzioni Impianti Servizi Attrezzature SpA filed Critical Cisa Costruzioni Impianti Servizi Attrezzature SpA
Publication of EP0338603A2 publication Critical patent/EP0338603A2/fr
Publication of EP0338603A3 publication Critical patent/EP0338603A3/fr
Withdrawn legal-status Critical Current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
    • B66F9/07—Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"

Definitions

  • the subject of the present invention is a lifting carrier truck, especially for stores for mechanical handling for heavy objects.
  • Such lifting carrier devices are usually composed of a truck, travelling on a bottom monorail, equipped with columns guided at the top by an upper monorail, along which columns a cradle slides vertically, the cradle being equipped with means for arranging and removing the object from the collecting rack or from an intake or discharge location.
  • the means for depositing or collecting are telescopic or similar devices, supporting the load throughout its displacement, from the cradle to the rack where it is then deposited and vice versa, thus transferring the weight of the object handled to the columns of the lifting carrier in the form of vertical loads and bending moments throughout the entire movement cycle of the object itself.
  • lifting carrier trucks of this class are known, but they always relate to structures adapted for handling objects of limited weight, for which problems of elastic deformation under load such as might interfere with functional capability do not arise, for example for the realization of the transfer of the con­veyed object from the cradle of the lifting carrier to the rack, or for taking it from the rack.
  • a lifting carrier for the movement of objects of such weights is therefore subjected to very high loads; in particular the members for picking up and putting down the object on the rack, usually by sliding the object in its lateral displacement towards the rack, by making use of telescopic cantilever beams or the like, would give rise, if constructed in such a manner, to very high bending moments in the structure, for which the structure itself would have to be designed.
  • a lifting carrier truck especially for stores with mechanical handling, comprising a truck movable on rails in a passageway between opposite racks, the truck carrying columns extending through­out the entire height of the racks, along which columns a cradle is vertically movable, wherein the cradle has a width substantially equal to, or slightly less than, the free space between each pair of facing racks and above it there is present a movable carriage, adapted for carrying an object to be placed in the rack, which carriage bears only vertically on the cradle and can be translated between a carrying position, in which the carriage rests entirely on the cradle, and a position for depositing in or collecting from the rack, in which the carriage rests entirely upon the rack itself.
  • the cradle possesses runways equipped with rails, on which the carriage carrying the load can be moved horizontally, transversely to the direction of movement of the truck, having associated motor devices, and in correspondence with these runways there are present fixed runways, equipped with rails, on the racks, movable means being present for closing the free space between the runways of the cradle and the runways of the facing rack, there being also present members for horizontally locking and accurately centering the cradle relative to the preselected rack, with the respective runways in alignment.
  • the movable means for closing the free space between the runways of the cradle and the runways of the facing rack are constituted of hinged bars at the ends of the runways of the cradle, the bars having a length greater than the free space existing between the runways of the cradle and the runways of the racks, the bars having a profile corresponding to that of the support rails for the carriage on said runways, which bars can pivot between a raised position, which does not interfere with the movements of the cradle and of a truck which supports it, and a lowered position, with the free end bearing against relative support members at the end of the runway of the facing rack.
  • the bars are each equipped with mechanical transmission means for connecting with respective motors, a single common motor being pro­vided for the pair of bars situated on the same side of the cradle, this motor being capable of being operated independently from the common motor coupled with the bars situated on the opposite side of the cradle.
  • the mechanical transmission means for connecting the bars to the respective motors comprise, for each bar, a crank connected by an associated connecting rod to a second crank integral with a motor shaft, one common motor shaft being provided for the bars situated on the same side of the cradle, connected to an associated motor.
  • the members for horizontally locking and accurately centring the cradle relative to the selected rack are constituted, at each side of the cradle, of a slider slidable parallel to the runways of the cradle and movable between a retracted position, not projecting beyond the sides of the cradle itself, and an extended position, projecting towards the facing rack, in correspondence with which each rack possesses a recessed seating, into which the slider engages with little lateral play.
  • the sliders are each equipped with mechanical transmission means for connecting with an associated motor, each motor being operated independently from the motor connected to the slider situated on the opposite side of the cradle.
  • the mechanical transmission means for connecting the sliders with the respective motors comprise, for each slider, a connecting rod connected to a crank, the crank being directly actuated by an associated motor.
  • FIG. 1 shows, the lifting carrier according to this invention, intended for operating in a passageway of a store and for trans­ ferring rolls of metal sheet or coils between storage racks, com­prises a truck 1, movable on a monorail 2 and equipped with columns 3 carrying a raisable cradle 4, shown in Figure 1 at its lowest level.
  • the cradle 4 can be raised, along respective guides 5 of the columns 3, by suspension cables 6 wound on a winch 7 and conducted around pulleys 8 at the heads 9 of the columns 3.
  • the head 9 in turn is guided, thereby imparting the necessary stability to the complex, on an upper monorail 10.
  • the cradle 4 of the lifting carrier carries a transfer carriage 11, movable on runways 12; on the carriage there is mounted a platform 13 for supporting a coil 14.
  • the lifting carrier receives, on its carriage 11 of its cradle 4, the coil 14 from a transfer carriage 15, running on associated rails 16, in a service zone; it then moves from said zone to place the coil in one of the racks 17, in the position intended for it.
  • the carriage 11 possesses wheels 18, which rest on the runways 12; the frame 19 of the carriage possesses hydraulic jacks 20, by means of which the platform 13, resting on them, can be raised and placed in the relative rack or on the transfer carriage 15.
  • the translatory movement of the carriage 11 is provided by the motor reduction units 21, while a hydraulic unit 22 provides the feed to the jacks 20.
  • the cradle 4 is illustrated in detail in Figures 6 to 9; it comprises a load-bearing frame, equipped with beams 23 on which the runways 12 rest, each runway being formed of a beam 24 and a rail 25 mounted on it.
  • each rail 25 For bridging the space existing between the runways 12 of the cradle and the fixed runways of the racks, the width of which space cannot be reduced beyond certain limits in order to avoid obstruction to the movements of the lifting carrier, there are provided according to this invention, at the ends of each rail 25, bridge bars 27, hinged about horizontal axes on associated bearings 28.
  • the bars 27 can be dis­posed in a raised position during the movement of the cradle 4 and of the lifting carrier 1, so as to leave the necessary clearance between said components and the fixed structures for guaranteeing the complete movement, without interference, even when deformations or flexure under load take place; for this purpose the bars 27 on one side of the cradle are connected to associated cranks 29, and these cranks are connected by means of connecting rods 30 to the cranks 31 carried by a shaft 32, rotatably driven by a motor-­reduction unit 33.
  • the bars 27 are actuated by a second motor-reduction unit 33, independently of the first one, in such a way as to allow the lowering movement of the bars 27 for closing the space between the runways of the cradle and the fixed runways of the rack only on that side at which horizontal transfer of the carriage is intended.
  • the shaft 32 in contrast, ensures that on one side the movement of the bars 27 shall be simultaneous.
  • a slidable slider 34 for the purpose of ensuring, in addition, the accuracy of alignment of the movable runways carried by the cradle with the fixed runways provided on the rack, and for maintaining said alignment during the entire movement of the carriage, there is provided, on the two opposite sides of said carriage, a slidable slider 34, guided in a support 35 equipped with roller 36, the slider being adapted for engaging, in the advanced position shown in dot-and-dash line in Figures 6 and 8, into a corresponding recessed seating 37 of the fixed rack.
  • the translatory movement of the sliders 34 is provided, for each of them, by an associated motor-reduction unit 38, rotatably actuating a crank 39 connected by a connecting rod 40 to the slider 34.
  • the structure according to this invention therefore, allows the translatory movement of especially heavy loads, such as coils of weights of tens of tons, to be carried out from the cradle of the lifting carrier to the relevant rack and vice versa, without the movement of such masses, even at high levels, causing inadmissible flexure or loading of the structure.
  • especially heavy loads such as coils of weights of tens of tons
  • the continuity of the runways formed between cradle and desired rack allows the carriage moving on these runways to move laterally, progressively transferring its own weight and the con­veyed weight from the cradle to the fixed rack, without the carriage itself having to be supported by cantilevering from the columns of the lifting carrier, thereby causing loads and flexure in the load-bearing structure of said lifting carrier, and in turn demanding resistance from the fixed structure of the rack, which itself is already dimensioned for supporting the maximum weight of the object intended for it.
  • the structure according to this invention enables the overall height of each rack location to be limited to the maximum dimension of the object to be placed in it plus the depth of the carriage, which is appreciably less than the space necessary for allowing entry into the rack of a telescopic translatory element or the like, as previously known, for the handling and removal from said rack of a stored object, with resultant improvement in the volumetric efficiency of use of the store, that is to say of the ratio between the total useful volume stored and the total volume occupied by the store itself.
  • the movements of the bars 27 and of the sliders 34, as also the movements of the carriage 11, are governed by position control members, safety means and a central processing unit, which may be of known type and are therefore not described in further detail here.

Landscapes

  • 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)
EP89200667A 1988-04-20 1989-03-17 Transstockeur, particulièrement pour magasins avec manutention mécanisée d'objets lourds Withdrawn EP0338603A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8820262A IT1216606B (it) 1988-04-20 1988-04-20 Carro trasportatore elevatore particolarmente per magazzini automatici per oggetti di peso elevato.
IT2026288 1988-04-20

Publications (2)

Publication Number Publication Date
EP0338603A2 true EP0338603A2 (fr) 1989-10-25
EP0338603A3 EP0338603A3 (fr) 1990-03-21

Family

ID=11165240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89200667A Withdrawn EP0338603A3 (fr) 1988-04-20 1989-03-17 Transstockeur, particulièrement pour magasins avec manutention mécanisée d'objets lourds

Country Status (3)

Country Link
EP (1) EP0338603A3 (fr)
FI (1) FI891877A (fr)
IT (1) IT1216606B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007153A1 (fr) * 1990-10-13 1992-04-30 Otto Wöhr Gmbh Dispositif de stationnement de vehicules a moteur
EP0514613A1 (fr) * 1989-05-08 1992-11-25 William A. Sternad Appareil à stockage et déstockage automatique

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1187260A (en) * 1967-12-27 1970-04-08 Wallace James Parker An Improved Apparatus for Elevating Barrels and also for use in Lowering the Elevated Barrels to Ground Level or on to Lorries
FR2187633A1 (fr) * 1972-06-09 1974-01-18 Aplitec Ltd
GB2052457A (en) * 1979-06-26 1981-01-28 Vevey Atel Const Mec Warehouse installation
GB2063211A (en) * 1979-11-16 1981-06-03 Gen Electric Co Ltd Apparatus for removing/inserting equipment from/in racks
EP0071883A1 (fr) * 1981-08-04 1983-02-16 Société Industrielle d'Equipement Technique d'Appareils de Manutention SIETAM Equipement pour la manutention automatique et le stockage de fûts
JPS5992807A (ja) * 1982-11-19 1984-05-29 Hitachi Metals Ltd 自動倉庫

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE829530A (fr) * 1975-05-27 1975-09-15 Installation d'entreposage pour conteneurs et analogues

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1187260A (en) * 1967-12-27 1970-04-08 Wallace James Parker An Improved Apparatus for Elevating Barrels and also for use in Lowering the Elevated Barrels to Ground Level or on to Lorries
FR2187633A1 (fr) * 1972-06-09 1974-01-18 Aplitec Ltd
GB2052457A (en) * 1979-06-26 1981-01-28 Vevey Atel Const Mec Warehouse installation
GB2063211A (en) * 1979-11-16 1981-06-03 Gen Electric Co Ltd Apparatus for removing/inserting equipment from/in racks
EP0071883A1 (fr) * 1981-08-04 1983-02-16 Société Industrielle d'Equipement Technique d'Appareils de Manutention SIETAM Equipement pour la manutention automatique et le stockage de fûts
JPS5992807A (ja) * 1982-11-19 1984-05-29 Hitachi Metals Ltd 自動倉庫

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 203 (M-326)[1640], 18th September 1984; & JP-A-59 092 807 (HITACHI KINZOKU K.K.) 29-05-1984 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514613A1 (fr) * 1989-05-08 1992-11-25 William A. Sternad Appareil à stockage et déstockage automatique
WO1992007153A1 (fr) * 1990-10-13 1992-04-30 Otto Wöhr Gmbh Dispositif de stationnement de vehicules a moteur

Also Published As

Publication number Publication date
IT1216606B (it) 1990-03-08
FI891877A (fi) 1989-10-21
FI891877A0 (fi) 1989-04-19
EP0338603A3 (fr) 1990-03-21
IT8820262A0 (it) 1988-04-20

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