EP0319466B1 - Vehicule de manutention pour la manipulation de charges lourdes encombrantes - Google Patents

Vehicule de manutention pour la manipulation de charges lourdes encombrantes Download PDF

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Publication number
EP0319466B1
EP0319466B1 EP88810773A EP88810773A EP0319466B1 EP 0319466 B1 EP0319466 B1 EP 0319466B1 EP 88810773 A EP88810773 A EP 88810773A EP 88810773 A EP88810773 A EP 88810773A EP 0319466 B1 EP0319466 B1 EP 0319466B1
Authority
EP
European Patent Office
Prior art keywords
handling vehicle
vehicle
vehicle according
handling
roll
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
EP88810773A
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German (de)
English (en)
Other versions
EP0319466A1 (fr
Inventor
Werner Honegger
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.)
IPT Weinfelden AG
Original Assignee
IPT Weinfelden AG
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 IPT Weinfelden AG filed Critical IPT Weinfelden AG
Publication of EP0319466A1 publication Critical patent/EP0319466A1/fr
Application granted granted Critical
Publication of EP0319466B1 publication Critical patent/EP0319466B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B66F9/18—Load gripping or retaining means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/124—Roll handlers

Definitions

  • the invention relates to a handling vehicle, in particular for manipulating and transporting large rolls of printed products in the printing industry, according to the preamble of claim 1.
  • transverse forklifts and four-way forklifts are known for transporting large, heavy loads.
  • Such cross forklifts are specially designed for the transport of elongated loads and make it possible, for example, to load pipes or rods onto a loading surface running lengthways to the direction of travel.
  • these vehicles are often designed with adjustable wheels so that the vehicle can be moved lengthways and transversely.
  • the arrangement of the loading area and lifting device, generally a lifting mast that can be moved transversely to the direction of travel, is provided for mere loading and unloading.
  • cross forklifts are not suitable for the manipulation of bulky bodies, such as large, round winding bodies. Since the corresponding loading device is designed for normal loading and unloading operations, the loads that occur when large bodies are manipulated can only be absorbed poorly and bulky bodies cannot be in because of the mutual arrangement of fork carriers or a lifting carriage carrying a tool and the lifting mast manipulated in the true sense, but only adjusted in height and moved across the vehicle together with the mast. For these reasons, these conventional cross forklifts can only be used for very one-sided storage concepts. If you want to store the objects to be manipulated, for example the mentioned printed product rolls, in a different position than they are to be recorded for transport, these vehicles can no longer be used.
  • the handling vehicle has an elongated floor plan and uses four-way drive technology with adjustable wheels.
  • the vehicle body has an essentially U-shaped outline, the wheels being adjustably attached to the two transverse legs.
  • the structure for the handling device is preferably offset on one side of the vehicle or slightly against the center of the vehicle, rigidly connected to the vehicle body or frame, or made in one piece with it.
  • the driver's seat, the steering and the operating elements are preferably provided on one leg of the vehicle body.
  • the structure mentioned for the handling device contains guide rails or other height adjustment elements for height adjustment of this device. Additional work devices or further manipulators can be provided on the side or at another point in the structure.
  • the handling device is preferably mounted on a support structure that can be adjusted transversely to the vehicle.
  • the load can be brought with its center of gravity over the wheels during transport, thus significantly improving driving behavior.
  • load support elements are provided on the cross legs of the vehicle body.
  • the possibility of adjusting the handling device across the vehicle and thus placing it at a distance from the load-bearing body makes it possible to detect even bulky loads and to manipulate them thanks to the space between the manipulator and the body.
  • the new handling vehicle can also optimize logistics in the warehouse and make it much more efficient.
  • a manipulator according to Swiss Patent Application No. 03 998 / 87-5 is preferably used to manipulate printed product coils. For example, it is possible to take wraps stacked flat on top of one another, bring them into a vertical position and load them onto the vehicle for transport.
  • Fig. 1 shows a handling vehicle with gripped print product winding.
  • Fig. 2 shows the vehicle frame in plan.
  • Fig. 3 shows schematically a supporting structure connected to the structure with a manipulator and a raised printed product roll.
  • FIG. 4 shows the handling vehicle according to FIG. 1 with an additional holding device for an empty winding core.
  • Fig. 6 shows a warehouse with printed product rolls in a vertical arrangement with access gorges in the plan.
  • Fig. 7 shows a warehouse with printed product rolls in a vertical arrangement with frontal access in the plan.
  • FIG. 1 shows a first exemplary embodiment of the handling vehicle with a vehicle frame 2 with two transverse legs 5, which contain the wheel suspension, and a longitudinal frame part 6.
  • a structure 1 with guide rails 10 is connected in one piece to the longitudinal frame part 6 and has a shape that is trapezoidal in view and tapers upwards. This structure leads to a high degree of stability, particularly when handling heavy loads, and enables exact manipulation of the load.
  • a printed product roll 8 is indicated by dashed lines and is held by a manipulation or gripping device, not shown here.
  • the handling vehicle according to the invention thus leaves the conventional concept of transverse forklifts with a movable lifting mast and opens up new possibilities for manipulating large and heavy loads.
  • the previous arrangement of the lifting mast and forks was designed with a view to merely lifting and lowering loads and just made it possible to deposit the load for transport on a loading area of these vehicles.
  • the storage streets and the type of storage of the objects had to be adapted accordingly, ie the storage objects had to be arranged in such a way that the vehicle could grasp them in the way they had to be oriented for transport.
  • the idea of the invention aims at a vehicle that simplifies and rationalizes the handling of heavy loads by simultaneously carrying out various tasks.
  • the aim is that the loads can be stacked, stored or used in different spatial positions without having to replace tools on the handling vehicle or even having to use different vehicles.
  • the vehicle according to the invention accordingly opens up the possibility of a handling device on a movable carrying device Height-adjustable to be installed so that, for example, lying printed product rolls are gripped, rotated with the handling device and can then be placed on the load support elements. For example, from a number of printed product rolls stacked on a pallet, roll by roll can be lifted and transported using the handling device or transported to the warehouse.
  • the high stability that is required for such manipulation processes is ensured by the structure 1 rigidly mounted on the chassis.
  • the arrangement of the body 1 means that when gripping heavy loads, both the weight of the vehicle and the body exert a torque counteracting the load.
  • the total weight distribution was adversely affected by moving the lifting mast, thereby reducing stability. For this reason, these loading devices were impractical for precise manipulation work.
  • the height of the body 1 is chosen so that the loads can be manipulated in the air without difficulty and that the handling vehicle interacts with the storage facilities or machines which are operated by the former without any problems.
  • the structure has a height of approximately 2 to 2.5 m, for example, for handling the printed product rolls mentioned.
  • the entire vehicle body and the structural elements are designed in such a way that the vehicle has a low center of gravity in small dimensions, which leads to high stability, and at the same time all heavy vehicle parts are arranged in such a way that they have a stabilizing effect during load manipulation.
  • the structure 1 and the cross legs 5 are designed so that the load is even if it is kept as low as possible.
  • the vehicle body is, for example, 1 m wide and 90 cm high.
  • Load support elements 7 for supporting the printed product roll are provided on the upper side of the cross legs 5 of the vehicle body. These can consist, for example, of a support surface or corresponding guide elements which prevent the load from being shifted during transport. These support elements 7 are preferably designed such that the load supported thereon is inclined against the structure 1. For the handling of particularly heavy loads, these load support elements can have additional auxiliary devices, e.g. Contain guide rails or gripping elements which support the handling device 3, 4 when gripping the load, in that the auxiliary devices are also extended and reach under the load.
  • additional auxiliary devices e.g. Contain guide rails or gripping elements which support the handling device 3, 4 when gripping the load, in that the auxiliary devices are also extended and reach under the load.
  • a driver's seat 15, preferably a cross seat, a steering wheel 16 and operating elements (not shown in detail) for the handling device are provided on a cross leg 5 for operation and steering by an operator.
  • This arrangement of the driver's cab enables a good overview during the manipulation of the loads, so that the driver can also operate the manipulation device without changing his position.
  • the fixed position of the body 1 is again advantageous since, contrary to the conventional cross forklifts, the lifting mast or the load to be manipulated is not moved out of the operator's field of vision.
  • Such a handling vehicle is shown in plan view in FIG.
  • the longitudinal frame part 6 and the transverse legs 5 of the frame 2 can be seen.
  • the handling is not shown here device held coil 8 is held so that it comes to rest on its periphery over the cross legs 5.
  • the shape of the vehicle is optimally adapted to the load to be manipulated, so that a short construction can also be achieved in the longitudinal direction. This makes use of the fact that the round shape of such coils allows the latter to be lowered so far that they come to lie in their lower region between the empty space between the two transverse legs 5.
  • enlarged contact surfaces or special structures can be provided on the cross legs, for example to deposit, support or stabilize the loads for transport.
  • FIG. 3 now shows schematically a manipulator 3 and the corresponding support structure 4.
  • the support structure allows, for example.
  • a hydraulic adjustment device not shown, the horizontal adjustment of the holding device or the manipulator 3 relative to the structure 1.
  • the support structure 4 is, for example, designed as a scissor structure or by means one or two hydraulic cylinders. If the manipulator is completely retracted or contracted, the printed product roll 8 comes to rest completely on the structure 1. If, on the other hand, the holding device 3 is fully extended, the manipulator 3 is at a distance from the body 1 on the side next to the vehicle and a roll of printed products can be lifted off a stand, for example.
  • the possible distance between manipulator 3 and body 1 is unlimited or only dependent on the load-bearing capacity of the supporting structure 4. This makes it possible to move the manipulator from the body 1 at such a distance that the loads can be manipulated in the air, ie rotated, for example.
  • FIG. 4 shows the handling vehicle according to the invention with an additional working device 12 attached to the body 1, which is designed here as a holding device for loading an empty winding core.
  • a holding device for loading an empty winding core.
  • Such an empty winding core 9 is indicated schematically by a broken line.
  • This holding device can also contain an adjusting device, so that such a winding core can be gripped in a similar manner to the printed product winding, for example from a stand.
  • This holding device 12 can also be attached to the body 1 in a height-adjustable manner and additional loading areas can be provided on the vehicle, so that a large number of empty winding cores can be carried simultaneously in one transport operation.
  • the handling vehicle according to the invention offers great advantages in particular when objects are to be exchanged on one and the same holder, that is to say, for example, a winding on a winding machine is to be replaced by a winding core. With a small movement of the vehicle or with appropriate work equipment even without such, the loads can be exchanged in a time-saving manner.
  • the handling vehicle is roughly positioned on the freely accessible side surface of a printed product winding 8 or winding core, the longitudinal side of the vehicle being parallel to this side surface.
  • the manipulator 3 is extended by means of the supporting structure 4 and the gripping device of the manipulator is finely positioned.
  • the printed product roll 8 is brought into the desired position in the air and withdrawn together with the manipulator 3 over the load support elements.
  • the handling vehicle is then roughly positioned again, with the additional working device 12 being aligned with the holding device or machine.
  • the implement 12 is extended laterally and the winding core that is also transported is transferred to the holding device or machine.
  • the implement 12 is withdrawn from the area of the holding device or machine and the vehicle is ready for further operations.
  • the working device 12 can also be arranged and designed so that it can perform independent functions or interact with the handling device 3, 4. If the working device is designed to be adjustable, the loads can be gripped from a greater distance by the handling device and only then taken over by the working device 12, or the working device 12 is operated by the handling device 3, 4.
  • FIGS. 5A to 5C A further exemplary embodiment of the invention is shown in FIGS. 5A to 5C.
  • the structure 1 here consists of a stable supporting structure, which at the same time takes over the function of the guide rails for height adjustment of the handling device.
  • a hydraulic height adjustment device 19 is shown schematically in FIG. 5A.
  • a mounting device 18 for the manipulator is guided in the guide rails 10 so as to be adjustable in height.
  • the mounting device 18 is preferably designed such that various manipulators can be attached to it, depending on the application requirement. This means that the same vehicle can be used for different applications. It is possible, for example, to mount a manipulator according to Swiss Patent Application No. 03 998 / 87-5 on this mounting device 18 for a spatial movement of the mentioned printed product reels or even a simple lifting fork device.
  • the handling vehicle according to FIGS. 5A to 5C has, on the inner sides of the transverse legs 5, inclined support elements 7 onto which the schematically indicated print product roll 8 is applied can be supported. If the holding device or the manipulator for the winding 8 has sufficient stability, it is not necessary to support it on these contact surfaces 7. Nevertheless, these bevels have the advantage that a transport position of the winding that is favorable with respect to the height of the vehicle is achieved. For example, a wrap can be lifted directly from a stand with a support arm, and the manipulator can be withdrawn by means of the support structure 4 (FIG. 5C) for transport against the body 1, without a height adjustment being necessary for this. This enables a short manipulation time to be achieved. During transport, the winding 8 is held on the support arm by its own weight, so that the support on the support surfaces 7 is unnecessary.
  • the arrangement of the battery 20 for the electrically powered drive is shown schematically in FIG. 5B.
  • the body 1 is not arranged on the outside of the longitudinal frame part 6, but is slightly shifted towards the center of the vehicle frame.
  • This arrangement of the battery supports the stability of the vehicle in terms of weight when handling heavy loads.
  • the inner sides of the transverse limbs 5 are also beveled with respect to the longitudinal direction of the vehicle, so that the vehicle is as close as possible to a horizontally lying coil 8 which, for example — as shown schematically — lies on a pallet 22, can be driven. It is thereby achieved that the holding device or the manipulator has to be guided as little as possible beyond the longitudinal side of the vehicle when gripping such a winding, and an undesirably large leverage force on the body 1 can thus be avoided.
  • the swivel castors 14 are arranged as far as possible in the outer areas of the vehicle frame 2.
  • the adjustable drive wheels 17, which allow the handling vehicle to travel in the longitudinal and transverse directions, are likewise arranged on the transverse legs 5.
  • FIG. 6 shows a possible storage concept for printed product coils 8 from the view from above.
  • the windings are loosely strung together or stored in parallel planes in stand devices (not shown).
  • these gorges 23 can be easily driven and one wrap can be gripped from the front rows. If the handling vehicle is used between the winding station and the warehouse, the situation regularly occurs that, for example, coming from the winding station, an empty winding core is also transported on the additional working device 12 on the body 1 of the vehicle. This can be deposited at its destination in the same operation, which is particularly important in tight storage conditions and correspondingly complex driving maneuvers.
  • FIG. 8 Another storage concept is shown in FIG.
  • the windings 8 are arranged here so that the handling vehicle has frontal access to the windings.
  • the length of the vehicle is important in this type of storage, so that windings of the rear levels can also be reached without the neighboring rows being a hindrance. Therefore, an inductively controlled vehicle is preferably used here, in which the driver's cab is omitted, so that the overall length of the vehicle frame depends only on the longitudinal frame part 6 and the width of the cross legs 5. For the same reason, the cross legs 5 must be as narrow as possible.
  • the inductive control enables a largely automated storage concept.
  • the vehicle frame preferably contains safety means, for example crumple zones. Of course, other or additional electronic auxiliary devices for controlling the vehicle and / or the handling device 3, 4 can be provided.
  • One advantage already highlighted of the arrangement of the body and handling device according to the invention is that the person operating the vehicle always has the object to be manipulated in view, which is essential, above all, for exact manipulation of the load.
  • the deep arrangement of the driver's cab also means that the handling of large, bulky loads is not hindered by a high cabin.
  • the operator has the eye level at the level at which the load is manipulated, which is of great advantage for exact positioning, since there is hardly any spatial parallax.
  • the field of vision was also considerably restricted by moving the mast on conventional cross-lift trucks.
  • the weight to be moved is reduced to a minimum. This makes it possible to carry out precision movements of the load with the handling vehicle according to the invention. First the vehicle is roughly positioned and then the handling device 3, 4 manipulates the load in the desired manner.
  • the supporting structure 4 contains a slide which can be moved horizontally and transversely to the vehicle and to which the manipulator is attached.
  • a working device or a manipulator can also be arranged on both sides of the bodywork, for example in order to prevent the vehicle from turning in narrow bearings.
  • the body 1 can be offset in the middle of the vehicle and the vehicle frame can have a double-T-shaped outline.
  • the handling device can also be mounted on the side of the body 1, i.e. on the sides of the superstructure 1, which are transverse to the direction of travel, to be height-adjustable.
  • a suitable handling device e.g. rotation around an axis in the direction of travel allows the load to be moved from one side of the vehicle to the other, e.g. to move from one side to the other in a narrow warehouse street without turning the vehicle.
  • the body 1 is preferably arranged in the middle of the vehicle.
  • the handling vehicle with corresponding adjustments to the handling device, the structure, the additional work equipment, etc. can also be used in areas other than the printing industry with the same advantages.
  • the height adjustment for special applications can also be achieved by means of a device which can be pivoted in a vertical plane.

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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)
  • Forklifts And Lifting Vehicles (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (12)

1. Véhicule de manutention pour rouleaux de produits d'imprimerie avec un châssis en U (2) et un dispositif de manipulation réglable en hauteur qui est monté sur une structure (1) fixée de manière rigide au châssis, caractérisé en ce que le dispositif de manipulation présente un manipulateur (3) pour la manipulation d'un rouleau de produits d'imprimerie, lequel manipulateur est fixé sur une construction portante (4) mobile perpendiculairement à l'axe longitudinal du véhicule, et en ce qu'à distance de ce dispositif de manipulation un autre outil (12) mobile dans la même direction, un second manipulateur pour la manipulation d'axes d'enroulement vides, est disposé de telle sorte qu'il soit possible simultanément au cours d'une étape de travail d'échanger un axe d'enroulement vide contre un rouleau de produits d'imprimerie ou un rouleau de produits d'imprimerie contre un axe d'enroulement vide, de sorte que le trajet de travail et le temps de travail du véhicule de manutention sont minimisés.
2. Véhicule de manutention selon la revendication 1, caractérisé en ce que le dispositif de manipulation (3, 4) présente des dispositifs pour la modification de la position du rouleau dans l'espace.
3. Véhicule de manutention selon la revendication 1 ou 2, caractérisé en ce que la construction portante (4) dépasse dans sa position entièrement sortie par-dessus le côté du véhicule opposé à la structure (1).
4. Véhicule de manutention selon la revendication 3, caractérisé en ce que la construction portante (4) est une construction à pantographe ou présente un traîneau mobile horizontalement.
5. Véhicule de manutention selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les bras transversaux du châssis en U du véhicule sont formés par inclinaison de telle sorte que l'ouverture du châssis en U s'élargisse vers l'extérieur.
6. Véhicule de manutention selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le châssis du véhicule présente des éléments d'appui (7) pour soutenir un rouleau.
7. Véhicule de manutention selon la revendication 6, caractérisé en ce que les éléments d'appui (7) se composent de surfaces d'appui, qui s'inclinent vers l'intérieur du châssis en U du véhicule.
8. Véhicule de manutention selon la revendication 7, caractérisé en ce que les éléments d'appui de la charge (7) présentent des mécanismes auxiliaires supplémentaires extensibles pour guider et/ou soutenir le rouleau.
9. Véhicule de manutention selon l'une quelconque des revendications précédentes, caractérisé en ce que le véhicule présente dans la zone active du mécanisme actif (12) une surface de chargement.
10. Véhicule de manutention selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un siège transversal (15) avec un mécanisme de direction (16) et des éléments de commande pour le dispositif de manipulation et l'outil (12) sont disposés sur un bras transversal (5) du châssis en U du véhicule.
11. Véhicule de manutention selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il présente des moyens pour une commande inductive.
12. Véhicule de manutention selon l'une quelconque des revendications précédentes, caractérisé en ce que le châssis du véhicule présente une largeur de moins de 1 m et une hauteur de 0,9 m.
EP88810773A 1987-11-30 1988-11-10 Vehicule de manutention pour la manipulation de charges lourdes encombrantes Expired - Lifetime EP0319466B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4713/87A CH675117A5 (fr) 1987-11-30 1987-11-30
CH4713/87 1987-11-30

Publications (2)

Publication Number Publication Date
EP0319466A1 EP0319466A1 (fr) 1989-06-07
EP0319466B1 true EP0319466B1 (fr) 1992-06-17

Family

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EP88810773A Expired - Lifetime EP0319466B1 (fr) 1987-11-30 1988-11-10 Vehicule de manutention pour la manipulation de charges lourdes encombrantes

Country Status (5)

Country Link
US (1) US5087166A (fr)
EP (1) EP0319466B1 (fr)
JP (1) JP2683925B2 (fr)
CH (1) CH675117A5 (fr)
DE (1) DE3872189D1 (fr)

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Also Published As

Publication number Publication date
JPH01308398A (ja) 1989-12-13
EP0319466A1 (fr) 1989-06-07
JP2683925B2 (ja) 1997-12-03
CH675117A5 (fr) 1990-08-31
US5087166A (en) 1992-02-11
DE3872189D1 (de) 1992-07-23

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