EP1086924B1 - Transportsystem und Verfahren zum innerbetrieblichen Transport, insbesondere von Schwerlast-Coils in Hüttenbetrieben - Google Patents

Transportsystem und Verfahren zum innerbetrieblichen Transport, insbesondere von Schwerlast-Coils in Hüttenbetrieben Download PDF

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Publication number
EP1086924B1
EP1086924B1 EP99118756A EP99118756A EP1086924B1 EP 1086924 B1 EP1086924 B1 EP 1086924B1 EP 99118756 A EP99118756 A EP 99118756A EP 99118756 A EP99118756 A EP 99118756A EP 1086924 B1 EP1086924 B1 EP 1086924B1
Authority
EP
European Patent Office
Prior art keywords
coil
pallet
transport
coupling
transport system
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
EP99118756A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1086924A1 (de
Inventor
Leon Raphael Lucienne G. Cloostermans
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.)
Lamitref Industries NV
Original Assignee
Lamitref Industries NV
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 Lamitref Industries NV filed Critical Lamitref Industries NV
Priority to DK99118756T priority Critical patent/DK1086924T3/da
Priority to EP99118756A priority patent/EP1086924B1/de
Priority to PT99118756T priority patent/PT1086924E/pt
Priority to ES99118756T priority patent/ES2172971T3/es
Priority to AT99118756T priority patent/ATE212952T1/de
Priority to DE59900842T priority patent/DE59900842D1/de
Publication of EP1086924A1 publication Critical patent/EP1086924A1/de
Application granted granted Critical
Publication of EP1086924B1 publication Critical patent/EP1086924B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices 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
    • B66F9/075Constructional features or details
    • B66F9/12Platforms; Forks; Other load supporting or gripping members
    • B66F9/18Load gripping or retaining means

Definitions

  • the invention relates to a transport system for internal transport, especially heavy-duty coils in smelters, and an associated one Method.
  • the rolling stock obtained as a semi-finished product is wound up into coils and temporarily stored and, at another point after further uncoiling, further processed into the respective end products.
  • the coils to be removed from the reel have a weight of up to 50 t in modern production plants.
  • Another type of coil transport is the manipulation of the coils by means of coil tongs and a crane.
  • the rolled material is wound up into a coil by means of a reel device, which after removal from the reel device is tied and placed on a transport trolley with prismatic supports and / or a crane with the appropriate hanger, coil tongs or C-hook is placed in a buffer where the coils are stored temporarily.
  • the known transport systems for manipulating coils have various disadvantages.
  • the coils must be tied off from the reel device after each removal or cut open again before being picked up on the reel.
  • the changing means of transport known from practice, such as removal on a roller pallet and further transport of the coil by crane always damage the rolling stock, at least the first layer and / or the inner layer of the eye is always unusable.
  • GB 933,792 A discloses a pallet handling device for industrial lifting vehicles.
  • the handling device is used for in-house transport of cargo on conventional pallets and consists of a frame with two elongated, laterally arranged support arms, which are spread forward towards the pallet to be picked up and at the end pointing towards the lifting vehicle are connected to a reinforced triangular plate.
  • the triangular plate of the device is also designed as a hitch for a hitch located on the L-shaped fork of the lifting vehicle.
  • a loading and rolling pallet for receiving coil-shaped, band-shaped material made of metal is known.
  • the coil pallets have a recess in the middle with sloping side walls as coil prisms.
  • the individual coil is secured on the coil pallet by means of tensioning straps or the like.
  • the coil pallets have receptacles for the fork ends of a forklift on one side and are equipped with two transport rollers on the opposite side. The individual coil pallets are lifted from the loading area of the transport vehicle by means of a forklift and transported to a container and can then be put down by means of the forklift and rolled into the container.
  • the invention was based on the object of a transport system for internal use Transport, especially of heavy-duty coils in metallurgical plants, to create the enables damage-free transport of the coils, which does not set the Coils requires more, is characterized by improved maneuverability and a standardization of transport logistics within a smelter allows.
  • the transport system should have a particularly short overall length exhibit. A suitable process is also to be created.
  • the transport system is e.g. in the individual areas of a production plant used for sheet metal strip production. Depending on the size of the production plant can transport several vehicles, a larger number of rolling pallets and a required number of coil pallets can be used. The number of Coil pallets are primarily dependent on the specified intermediate storage option of heavy-duty coils.
  • the transport unit a) is moved under the respective reel device when empty.
  • the swivel wheel sets of the roller pallet are unlocked by the special coupling mechanism, so that the transport unit as a pull or push assembly has very good maneuverability.
  • the complete roller pallet train turns over the drive axle of the vehicle.
  • the swivel castors on the swivel wheel sets in the roller pallet compensate for the steering movement.
  • the vehicle with the coupled pallet forms a solid unit. Due to the elastic design of the coupling head device, unevenness in the road can be compensated for without any problems.
  • the transport unit a) is characterized by very good driving properties, with driving speeds when loaded, with coil weights up to max. 50 t, can be reached from approx. 4 km / h.
  • the turning radius of the transport unit a) is approximately 3400 mm.
  • the transport vehicle is uncoupled and, at the same time, the swivel wheel sets of the roller pallet are locked in the straight running direction by the uncoupling process.
  • a commercially available coil pallet truck then takes over the positioning of the roll pallet with the coil pallet, unit b), in the required unwinding or winding position.
  • the lifting movement of the coil lifting carriage is adapted to the increase or decrease of the coil during the winding or unwinding process.
  • the coil located on the prism support of the coil pallet is deposited in such a way that the coil end always lies on the prism support. This means that the coil does not need to be set during the subsequent transport and storage process of the coil.
  • the coil In the previously known in-house transport technology, the coil must be tied off after each removal from the reel and cut open again on the reel before being picked up again. After the coil has been deposited on the coil pallet of the roll pallet without binding, the coil pallet truck moves it back into the so-called pick-up position. The transport vehicle then couples to the roller pallet, the swivel wheel sets of the roller pallet being unlocked. On the now formed transport unit a) with the coil loaded, the transport lock is brought into the operating position so that the coil is prevented from tipping over during the subsequent transport. The transport unit a) now transports the coil to a deposit.
  • the coil pallet together with the coil on it, is removed from the roll pallet by means of a conventional overhead crane and temporarily stored in a block or high-bay warehouse (unit c)).
  • a block or high-bay warehouse unit c
  • An automatic, computer-controlled vehicle can also be used as the transport vehicle.
  • the main advantage of the proposed solution is the damage-free transport of the heavy-duty coils. These are always on the coil pallet during transport and intermediate storage, i.e. during the entire transport and storage period.
  • the transport system ensures high mobility of the respective coil transports and leads to considerable cost savings in in-house transport.
  • a forklift 1 of conventional design, it consists of the following assemblies: the roller pallet 3, the coil pallet 4 placed on the support surface of the roller pallet 3 with the heavy-duty coil 2 placed thereon, the one on the mast and a mast 7 of the fork lift truck 1 rigidly attached coupling head device 5 and the safety bracket unit 6 attached to the lifting mast 7 of the forklift 1.
  • the individual assemblies are described in detail below with reference to FIGS. 1 to 7.
  • the roller pallet 3 shown in FIGS. 2 and 3 consists of a welded profile frame construction which is designed with a tilt to compensate for the possible tire deflection under full load.
  • the dimensioning of the roller pallet 3 is designed so that the pressures acting on the wheels are distributed almost uniformly due to the center of gravity.
  • the dimensions of the loading area (L x W) are, for example, 1660 x 2000 mm with a loading height of, for example, 590/610 mm.
  • a flange plate 11 is arranged in the center, on which the
  • Receiving bell 10 for the coil lift truck is fastened by means of screws 12.
  • the coil pallet truck is located in the area of the reel and uncoiler.
  • the coupling side 17, two support feet 13 are arranged with a centering device, the support feet 13 each having a through opening for pushing through the forks 8 of the forklift 1 and a contact surface 14 for the fork tines 8.
  • the distance between the two through openings of the Support feet 13 is matched to the distance between the two fork tines 8.
  • two receptacles 15 are fastened with ball sleeves 16, which serve to receive the hooks 37 of the coupling head device 5.
  • the two receptacles 15 are each arranged at the same distance from the central axis X and have only a small length, so that the forklift 1 and the roller pallet 3 form a fixed unit after the coupling (FIG. 1).
  • the roller pallet 3 is either pulled or pushed by the forklift 1 and swings out or in via the drive axis of the forklift 1 by means of the swivel wheel sets 9, in which the special wheels 18 are rotatably mounted.
  • two swivel wheel sets 9 are arranged on the profile frame construction, each at the same distance from the central axis X.
  • Each swivel wheel set 9 consists of a U-shaped fork 19, a fastening plate 20, four special wheels 18 rotatably mounted on an axis 21, an additional axle support element 22 which is arranged in the middle between the two pairs of wheels, and a locking bolt 23 Locking bolts 23, the two swivel wheel sets 9 are locked in the straight ahead position in the direction of travel of the forklift 1 via a latching mechanism.
  • the locking is controlled by the coupling hooks 37 of the coupling head device 5 when the roller pallet 3 is coupled to the forklift 1.
  • the coupling hooks 37 come into contact with the respective actuating rods 24, which actuate the locking bolts 23 via the articulated actuating levers 25, 26.
  • the swivel wheel sets 9 are unlocked and locked in the uncoupled state in the straight running direction.
  • two centering pins 28 protruding from the loading area 27 are fastened, which lie on the central axis X and serve to secure and center the coil pallet 4 to be placed on.
  • a coil pallet 4 for receiving the heavy-duty coil is shown in FIG. 5.
  • the coil pallet 4 consists of a stable frame construction made of tubular and section steel and has approximately the same external dimensions as the roller pallet 3.
  • the coil pallet has on its underside two precisely fitting centering bushes 29 for receiving the centering pins 28 of the roller pallet 3.
  • the coil prisms 31 consist of a sheet steel construction with a support 32, for example made of wood or plastic.
  • the coupling head device 5 consists of a vertically arranged frame 33 which has two parallel lateral fastening strips 34 for fastening to the movable part of the mast of the forklift truck.
  • a pendulum head 35 is arranged in the lower region of the frame 33 and is connected to the frame 33 via a central swivel joint 36.
  • the two dome hooks 37 are arranged on the height-adjustable pendulum head 35, at the same distance as the receptacles 15 of the roller pallet 3.
  • the required height adjustment of the dome hooks 37 is carried out by the lifting device of the forklift 1 in connection with the lifting mast height adjustment.
  • the dome hooks 37 are equipped with automatically acting locks which lock automatically after the coupling process. Unlocking when uncoupling takes place via a corresponding hydraulic actuating unit 38. Longitudinal stops 39 on both sides ensure that after the forklift 1 approaches the roller pallet 3, the coupling hooks 37 are in the correct position for the coupling process.
  • the coupling head device 5 is fastened to the mast and the lifting mast 7 of the forklift 1 in such a way that the required freedom of movement of the fork tines 8 is not impaired.
  • a special safety bar unit 6 is provided, which is shown as an individual part in FIG. 7.
  • the safety bracket unit 6 consists of a support frame 42 which is detachably fastened to the mast 7 by means of retaining clips 41 in the upper region thereof, so that the height of the safety bracket 44 can be changed if necessary.
  • the pivotable, rectangular safety bracket 44 is fastened via a swivel joint 43, the swiveling movement of which, up and down, is triggered by a swivel cylinder 45, which is fastened to the upper section of the support frame 42 and its piston rod 45a with the bracket 44 communicates.
  • a swivel cylinder 45 which is fastened to the upper section of the support frame 42 and its piston rod 45a with the bracket 44 communicates.
  • two movable clamps, a rear clamp 46 and a front clamp 47 are arranged, which can be moved together and apart via a locking cylinder 48 and 49, respectively.
  • the brackets 46 and 47 are equipped on their inner sides by means of a coil support 50 and 51, respectively.
  • the safety bracket 44 - the clamps 46 and 47 with the coil supports 50 and 51 are in the open position - is pivoted downward into the horizontal position and then the safety bracket 44 is closed by the clamp 46 and 47 are moved into the closed position and the coil supports 50 and 51 rest firmly on the coil 2.
  • the support surfaces for coil securing, the coil supports are selected so that an optimal support with the best support and component rigidity is achieved with large tilting coils. All control processes of the actuating units or locking cylinders to be adjusted for the lifting mast adjustment, the actuation of the coupling head device and the safety bracket unit are carried out via corresponding buttons in the cockpit of the forklift.
  • the required hydraulic connections are realized by quick couplers known per se.
  • the mast tilt position is set so that the mast 7 in vertical position.
  • the safety bar 44 must go all the way up be pivoted and fully open.
  • the height of the coupling head 5 is then correctly set when the fork tines 8 are straight run over the lower transverse support of the support foot 13 of the roller pallet 3.
  • the transverse thrust of the mast must be aligned with the center of the vehicle.
  • the fork tines 8 in the Rolling pallet 3 within the centering device provided for the rolling pallet 3 retracted. It should be noted that the truck 1 is in alignment with the X axis the roller pallet 3 is moved towards this.
  • uncoupling of the rolling pallet 3 can begin.
  • the truck 1 must be secured with the parking brake against unintentional rolling away.
  • the coil supports 50, 51 of the safety bracket 44 are moved into the outer end stops.
  • the catches 37 catches are opened via the corresponding actuation button.
  • the roller pallet 3 can then be set down by lowering the lifting carriage.
  • the fork tines 8 of the mast must come to rest on the guide of the foot 13 of the rolling pallet 3.
  • the safety bar 44 must be moved all the way up into the end stop by pressing the corresponding button. After releasing the parking brake of the stacker 1, it can be moved straight backwards until the fork tines 8 are fully extended from the guide of the roller pallet 3.
  • the forklift 1 When the forklift 1 is moved away, care must be taken that the load is not moved on the coil pallet.
  • the coil is transported further by crane handling, the coil 2 remains on the coil pallet 3 and is moved together with the coil pallet 3. Since the coil 2 is always on the coil pallet with the coil end pointing downwards during the entire internal transport handling, there is no need to set the coils laboriously.
  • the entire coil transport can be carried out in a particularly effective manner within a metallurgical operation.
  • the conversion of a conventional forklift causes comparatively low costs.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Specific Conveyance Elements (AREA)
  • Pallets (AREA)
  • Ship Loading And Unloading (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP99118756A 1999-09-23 1999-09-23 Transportsystem und Verfahren zum innerbetrieblichen Transport, insbesondere von Schwerlast-Coils in Hüttenbetrieben Expired - Lifetime EP1086924B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK99118756T DK1086924T3 (da) 1999-09-23 1999-09-23 Transportsystem til virksomhedsintern transport, særlig af svære coils i metalværker
EP99118756A EP1086924B1 (de) 1999-09-23 1999-09-23 Transportsystem und Verfahren zum innerbetrieblichen Transport, insbesondere von Schwerlast-Coils in Hüttenbetrieben
PT99118756T PT1086924E (pt) 1999-09-23 1999-09-23 Sistema e metodo de transporte para transporte interno particularmente de bobinas pesadas em instalacoes metalurgicas
ES99118756T ES2172971T3 (es) 1999-09-23 1999-09-23 Sistema de transporte y metodo para el transporte interno, particularmente de bobinas pesadas en plantas metalurgicas.
AT99118756T ATE212952T1 (de) 1999-09-23 1999-09-23 Transportsystem und verfahren zum innerbetrieblichen transport, insbesondere von schwerlast-coils in hüttenbetrieben
DE59900842T DE59900842D1 (de) 1999-09-23 1999-09-23 Transportsystem und Verfahren zum innerbetrieblichen Transport, insbesondere von Schwerlast-Coils in Hüttenbetrieben

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99118756A EP1086924B1 (de) 1999-09-23 1999-09-23 Transportsystem und Verfahren zum innerbetrieblichen Transport, insbesondere von Schwerlast-Coils in Hüttenbetrieben

Publications (2)

Publication Number Publication Date
EP1086924A1 EP1086924A1 (de) 2001-03-28
EP1086924B1 true EP1086924B1 (de) 2002-02-06

Family

ID=8239044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99118756A Expired - Lifetime EP1086924B1 (de) 1999-09-23 1999-09-23 Transportsystem und Verfahren zum innerbetrieblichen Transport, insbesondere von Schwerlast-Coils in Hüttenbetrieben

Country Status (6)

Country Link
EP (1) EP1086924B1 (da)
AT (1) ATE212952T1 (da)
DE (1) DE59900842D1 (da)
DK (1) DK1086924T3 (da)
ES (1) ES2172971T3 (da)
PT (1) PT1086924E (da)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105604A (en) * 1960-09-09 1963-10-01 Yale & Towne Mfg Co Pallet handling device
DE3408614A1 (de) * 1984-03-09 1985-09-19 Dynamit Nobel Ag, 5210 Troisdorf Mehrweg-verpackung mit einer palette
US5355813A (en) * 1993-09-07 1994-10-18 C.M.I. Freight Trans Inc. Load and roll pallet

Also Published As

Publication number Publication date
DE59900842D1 (de) 2002-03-21
EP1086924A1 (de) 2001-03-28
ES2172971T3 (es) 2002-10-01
PT1086924E (pt) 2002-07-31
ATE212952T1 (de) 2002-02-15
DK1086924T3 (da) 2002-05-06

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