FR2509272A1 - Frame for paper roll pivoting - has bracket for lift truck fork engagement and side support members for deposition - Google Patents

Frame for paper roll pivoting - has bracket for lift truck fork engagement and side support members for deposition Download PDF

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Publication number
FR2509272A1
FR2509272A1 FR8113924A FR8113924A FR2509272A1 FR 2509272 A1 FR2509272 A1 FR 2509272A1 FR 8113924 A FR8113924 A FR 8113924A FR 8113924 A FR8113924 A FR 8113924A FR 2509272 A1 FR2509272 A1 FR 2509272A1
Authority
FR
France
Prior art keywords
bracket
stirrup
wings
mandrel
frame
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.)
Pending
Application number
FR8113924A
Other languages
French (fr)
Inventor
Jean-Jacques Kempf
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.)
CENTRA SA
Original Assignee
CENTRA SA
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 CENTRA SA filed Critical CENTRA SA
Priority to FR8113924A priority Critical patent/FR2509272A1/en
Publication of FR2509272A1 publication Critical patent/FR2509272A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/18—Load gripping or retaining means
    • B66F9/185—Load gripping or retaining means by internally expanding grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G7/00—Devices for assisting manual moving or tilting heavy loads
    • B65G7/02—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads
    • B65G7/08—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads for tilting the loads
    • 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

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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)

Abstract

The device uses a pivotable bracket (3) with a centrally fitted expansible spindle (4) to pick-up and pivot a roll of paper. The bracket is mounted on a portal frame (1) on runners (2). The bar of the frame is fitted with two sleeves (6) for engagement by the prongs of a fork-lift truck, and the legs of the frame and the bracket are connected by the pivot axes. The pivoting of the frame is controlled by a rotary brake in the form of an end of a shock absorber. A pick-up is effected by expanding the spindle once inserted in the mandrel (5) of a roll, and the geometry of the assembly is such that the bracket pivots about the horizontal when loaded.

Description

Ia présente invention concerne le domaine de la manutention de bobines de papier, de carton, de métaux, de tissus, ou autres, de grandes et moyennes dimensions, et a pour objet un dispositif de pivotement de telles bobines. Ia present invention relates to the field of handling reels of paper, cardboard, metals, fabrics, or other, large and medium dimensions, and relates to a pivoting device of such reels.

Actuellement, le pivotement de bobines posées sur l'une de leurs faces s'effectue généralement au moyen de chariots élévateurs à pinces saisissant la bobine sur son pourtour et la faisant pivoter de 90" de manière à l'amener à l'horizontale, ce pivotement pourvant s'effectuer au moyen de dispositifs plus ou moins compliqués. Currently, the pivoting of coils placed on one of their faces is generally carried out by means of clamp forklifts gripping the coil around its periphery and rotating it 90 "so as to bring it to the horizontal, this pivoting provided by means of more or less complicated devices.

Cependant, avec ces dispositifs de manoeuvre connus, le papier de ces bobines risque d'être endommagé sur les couches extérieures, en particulier dans le cas de papier autocopiant qui est très sensible à la pression. However, with these known operating devices, the paper of these spools risks being damaged on the outer layers, in particular in the case of carbonless paper which is very sensitive to pressure.

En outre, dans ce mode de manutention, les bobines sont exposées à des risques d'erreur de manipulation du conducteur du chariot élévateur pouvant également être la cause d'endommagements, et la majorité des dispositifs utilisés sont solidaires des chariots élévateurs. In addition, in this handling mode, the coils are exposed to risks of handling error from the driver of the lift truck, which can also be the cause of damage, and the majority of the devices used are integral with the lift trucks.

La présente invention a pour but de pallier ces inconvénients. The present invention aims to overcome these drawbacks.

Elle a, en effet, pour objet un dispositif de pivotement de bobines de papier caractérisé en ce qu'il est essentiellement constitué par une potence d'accrochage aux fourches d'un chariot élévateur munie de deux patins d'appuiau sol, en position de non-utilisation, et par un étrier de préhension en forme de U muni dans sa partie centrale d'une broche expansible à introduire dans le mandrin des bobines, et articulé par ses ailes sur la potence, l'étrier étant équipé d'un dispositif de freinage de rotation fonctionnant comme amortisseur de fin de rotation. It relates, in fact, to a device for swiveling paper reels, characterized in that it essentially consists of a bracket for hooking to the forks of a forklift fitted with two pads for supporting the ground, in the position of not in use, and by a U-shaped gripping stirrup provided in its central part with an expandable spindle to be introduced into the reel mandrel, and articulated by its wings on the stem, the stirrup being equipped with a device of braking of rotation functioning as damper of end of rotation.

L'invention sera mieux comprise grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels la figure 1 est une vue en perspective d'un dispositif conforme à l'invention avant la pivotement d'une bobine la figure 2 est une vue analogue à celle de la figure 1, la bobine étant pivotée la figure 3 est une vue en perspective, à plus grande échelle, d'une broche expansible, et la figure 4 est une vue partielle en plan à plus petite échelle d'une variante de réalisation du dispositif. The invention will be better understood from the description below, which relates to a preferred embodiment, given by way of nonlimiting example, and explained with reference to the appended schematic drawings, in which FIG. 1 is a view in perspective of a device according to the invention before the pivoting of a coil, FIG. 2 is a view similar to that of FIG. 1, the coil being pivoted FIG. 3 is a perspective view, on a larger scale, of an expandable spindle, and Figure 4 is a partial plan view on a smaller scale of an alternative embodiment of the device.

Conformément à l'invention, et comme le montrent plus particulièrement, à titre d'exemple, les figures 1 et 2 des dessins annexés, le dispositif de pivotement de bobines de papier est constitué par une potence 1 d'accrochage aux fourches d'un chariot élévateur munie de patins 2 d'appui au sol en position de non-utilisation, et par un étrier de préhension 3 en forme de U muni dans sa partie centrale d'une broche expansible 4 à introduire dans le mandrin 5 des bobines, cet étrier 3 étant articulé par ses ailes 3' sur la potence 1. In accordance with the invention, and as shown more particularly, by way of example, FIGS. 1 and 2 of the appended drawings, the device for pivoting paper reels consists of a bracket 1 for hooking to the forks of a forklift fitted with pads 2 for supporting the ground in the non-use position, and by a U-shaped gripping stirrup 3 provided in its central part with an expandable pin 4 to be introduced into the mandrel 5 of the coils, this stirrup 3 being articulated by its wings 3 'on the stem 1.

La potence 1 présente une forme de U retourné, dont l'amie 1' est pourvue de deux fourreaux 6 permettant la pénétration des fourches d'un chariot élévateur pour la manoeuvre du dispositif. The bracket 1 has a shape of an inverted U, the friend 1 'of which is provided with two sleeves 6 allowing the forks of a forklift to penetrate for the operation of the device.

A leur extrémité libre, les ailes 3' de l'étrier 3 sont munies chacune d'un contre-poids 3" d'équilibrage, et elles sont articulées sur les montants de la potence 1 de telle manière qu'à vide, l'étrier 3 a tendance à basculer autour desdites articulations, pour se positionner à la verticale, ce positionnement étant obtenu grâce à une butée solidaire des ailes 3' et empêchant toute rotation supérieure à 90" par appui sur les montants de la potence 1, et que chargé il a tendance à pivoter à l'horizontale. En outre, l'étrier 3 est équipé d'un dispositif de freinage de rotation fonctionnant comme amortisseur de fin de rotation. At their free end, the wings 3 ′ of the stirrup 3 are each provided with a counterweight 3 ″ for balancing, and they are articulated on the uprights of the stem 1 so that when empty, the stirrup 3 tends to tilt around said articulations, in order to position itself vertically, this positioning being obtained by means of a stop secured to the wings 3 'and preventing any rotation greater than 90 "by pressing on the uprights of the stem 1, and that when loaded it tends to pivot horizontally. In addition, the caliper 3 is equipped with a rotation braking device operating as an end-of-rotation damper.

La broche expansible 4 est montée en position centrale sur l'étrier 3, entre les ailes 3' de ce dernier, parallèlement à celles-ci et légèrement décalée par rapport à l'axe d'articulation sur la potence 1, et elle est munie d'une partie mobile 4' montée au moyen de bielles, ou autre sur sa partie fixe et ayant tendance à se mettre en saillie hors de la broche 4 en position verticale, cette broche 4 étant, en outre, pourvue d'un crantage 7 s'opposant à un glissement du mandrin 5 après son introduction et coopérant avec l'action des bielles de la partie 4' pour provoquer un coincement de la broche 4 dans ledit mandrin 5 en position verticale. The expandable spindle 4 is mounted in a central position on the stirrup 3, between the wings 3 'of the latter, parallel to these and slightly offset with respect to the axis of articulation on the stem 1, and it is provided a movable part 4 'mounted by means of connecting rods, or the like on its fixed part and tending to protrude out of the spindle 4 in a vertical position, this spindle 4 being, moreover, provided with a notch 7 opposing a sliding of the mandrel 5 after its introduction and cooperating with the action of the connecting rods of the part 4 'to cause jamming of the spindle 4 in said mandrel 5 in the vertical position.

Le dispositif conforme à l'invention fonctionne de la manière suivante
Pour saisir la bobine, le dispositif, monté au moyen de ses fourreaux 6 sur les fourches d'un chariot élévateur, est amené au-dessus de ladite bobine et sa broche 4 est introduite dans le mandrin 5 par descente des fourches avec la potence 1 et l'étrier 3 (figure 1). Lors de cette descente, la broche 4, du fait de son crantage 7 et de la fixation pivotante de sa partie 4', s'engage facilement dans ledit mandrin 5, puis elle repose, en particulier par sa partie 4', contre la face intérieure du mandrin 5. La potence 1 avec son étrier 3 est alors soulevée produisant un coincement de la broche 4 dans le mandrin 5.Lors de ce soulèvement, la masse de la bobine déplace le centre de gravité de l'étrier 3, au-dessus de l'axe passant par ses articulation sur la potence 1, du fait du décalage de l'axe de la broche par rapport à l'articulation, de sorte que l'étrier 1, ensemble avec la bobine, bascule autour dudit axe d'articulation en position horizontale (figure 2), dans laquelle il est maintenu par les butées de ses ailes 4". La bobine est alors posée sur le sol et la broche 4 est retirée du mandrin 5 en effectuant une marche arrière, son déblocage dans le mandrin 5 s'effectuant automatiquement par retour par gravité de sa partie 4'. Après extraction de la broche 4, l'étrier 3 retourne à sa position verticale de départ pour la prise d'une nouvelle bobine.The device according to the invention operates in the following manner
To grip the spool, the device, mounted by means of its sheaths 6 on the forks of a forklift, is brought above said spool and its spindle 4 is introduced into the mandrel 5 by lowering the forks with the stem 1 and the bracket 3 (Figure 1). During this descent, the spindle 4, due to its notching 7 and the pivoting attachment of its part 4 ', easily engages in said mandrel 5, then it rests, in particular by its part 4', against the face inside of the mandrel 5. The stem 1 with its stirrup 3 is then raised producing a jamming of the spindle 4 in the mandrel 5. During this lifting, the mass of the coil displaces the center of gravity of the stirrup 3, au- above the axis passing through its articulation on the stem 1, due to the offset of the axis of the spindle relative to the articulation, so that the stirrup 1, together with the coil, rocks around said axis d 'joint in horizontal position (Figure 2), in which it is held by the stops of its wings 4 ". The coil is then placed on the ground and the spindle 4 is removed from the mandrel 5 by performing a reverse gear, its release in the mandrel 5 is carried out automatically by gravity return of its part 4 ′. After extraction of the spindle 4, the caliper 3 returns to its vertical starting position for taking up a new coil.

Le dispositif conforme à l'invention permet également le pivotement de 90" d'autres éléments de grands volumes, tels que des fûts, ou autres. A cet effet, l'étrier 3 est muni de deux griffes fixes 8 et de deux griffes mobiles 9 montées sur des biellettes 10 et fonctionnant par gravité. Grâce à ce mode de réalisation, il est possible de saisir par l'extérieur des éléments volumineux 11 en les saisissant par le dessus, puis de les tourner de 90".  The device according to the invention also allows the pivoting of 90 "other elements of large volumes, such as drums, or the like. For this purpose, the stirrup 3 is provided with two fixed claws 8 and two movable claws 9 mounted on rods 10 and operating by gravity. Thanks to this embodiment, it is possible to grasp bulky elements 11 from the outside by grasping them from above, then to rotate them 90 ".

Grâce à l'invention, il est possible de réaliser rapidement, sans perte de temps à la manoeuvre, et sans risque de détérioration des bobines, un pivotement de bobines de papier, ou autres, au moyen d'un chariot élévateur à fourches classique, sans nécessiter une fixation à demeure permanente du dispositif sur le chariot. Thanks to the invention, it is possible to quickly realize, without loss of time in the operation, and without risk of deterioration of the reels, a pivoting of paper reels, or the like, by means of a conventional forklift truck, without requiring permanent fixing of the device on the carriage.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments, ou par substitution a'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.  Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications remain possible, in particular from the point of view of the constitution of the various elements, or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Claims (5)

-REVENDICATIONS- CLAIMS 1. Dispositif de pivotement de bobines de papier caractérisé en ce qu'il est essentiellement constitué par une potence (1) d'accrochage aux fourches d'un chariot élévateur munie de deux patins (2) d'appui au sol en position de non-utilisation, et par un étrier de préhension (3) en forme de U muni dans sa partie centrale d'une broche expansible (4) à introduire dans le mandrin (5) des bobines, et articulé par ses ailes (3') sur la potence (1), l'étrier (3) étant équipé d'un dispositif de freinage de rotation fonctionnant comme amortisseur de fin de rotation. 1. A device for pivoting paper reels, characterized in that it essentially consists of a bracket (1) for hooking to the forks of a lift truck provided with two pads (2) for supporting the ground in the non position. -use, and by a gripping stirrup (3) U-shaped provided in its central part with an expandable pin (4) to be introduced into the mandrel (5) of the coils, and articulated by its wings (3 ') on the bracket (1), the stirrup (3) being equipped with a rotation braking device operating as an end-of-rotation damper. 2. Dispositif, suivant la revendication 1, caractérisé en ce que la potence (1) présente une forme de U retourne, dont l'âme (1') est pourvue de deux fourreaux (6) permettant la pénétration des fourches d'un chariot élévateur pour la manoeuvre du dispositif. 2. Device according to claim 1, characterized in that the stem (1) has a U-shaped shape, the core (1 ') of which is provided with two sleeves (6) allowing the forks of a carriage to penetrate lift for operating the device. 3. Dispositif, suivant la revendication 1, caractérisé en ce qu'à leur extrémité libre, les ailes (3') de l'étrier (3) sont munies chacune d'un contre-poids (3") d'équilibrage, et elles sont articulées sur les montants de la potence (1) de telle manière qu'à vide l'étrier (3) a tendence à basculer autour desdites articulations, pour se positionner à la verticale, ce positionnement étant obtenu grâce à une butée solidaire des ailes (3') et empêchant toute rotation supérieure à 90" par appui sur les montants de la potence (1), et que chargé il ait tendance à pivoter à l'horizontale. 3. Device according to claim 1, characterized in that at their free end, the wings (3 ') of the stirrup (3) are each provided with a counterweight (3 ") for balancing, and they are articulated on the amounts of the bracket (1) so that when empty the stirrup (3) tends to tilt around said joints, to be positioned vertically, this positioning being obtained by means of a stop secured to the wings (3 ') and preventing any rotation greater than 90 "by pressing on the uprights of the stem (1), and when loaded it tends to pivot horizontally. 4. Dispositif, suivant la revendication 1, caractérisé en ce que la broche expansible (4) est montée en position centrale sur l'étrier (3), entre les ailes (3') de ce dernier, parallèlement à celles-ci et légèrement décalée par rapport à l'axe d'articulation sur la potence (1), et elle est munie d'une partie mobile (4') montée au moyen de bielles, ou autre sur sa partie fixe et ayant tendance à se mettre en saillie hors de la broche (4) en position verticale, cette broche (4) étant, en outre, pourvue d'un crantage (7) s'opposant à un glissement du mandrin (5) après son introduction et coopérant avec l'action des bielles de la partie (4') pour provoquer un coincement de la broche (4) dans ledit mandrin (5) en position verticale.  4. Device according to claim 1, characterized in that the expandable pin (4) is mounted in the central position on the stirrup (3), between the wings (3 ') of the latter, parallel to them and slightly offset relative to the axis of articulation on the bracket (1), and it is provided with a movable part (4 ') mounted by means of connecting rods, or the like on its fixed part and having a tendency to protrude outside the spindle (4) in a vertical position, this spindle (4) being, moreover, provided with a notch (7) opposing a sliding of the mandrel (5) after its introduction and cooperating with the action of the connecting rods of the part (4 ′) to cause the pin (4) to jam in said mandrel (5) in a vertical position. 5. Dispositif, suivant la revendication 1, caractérisé en ce que l'étrier (3) est muni de deux griffes fixes (8) et de deux griffes mobiles (9) montée sur des biellettes (10) et fonctionnant par gravité.  5. Device according to claim 1, characterized in that the stirrup (3) is provided with two fixed claws (8) and two movable claws (9) mounted on rods (10) and operating by gravity.
FR8113924A 1981-07-09 1981-07-09 Frame for paper roll pivoting - has bracket for lift truck fork engagement and side support members for deposition Pending FR2509272A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8113924A FR2509272A1 (en) 1981-07-09 1981-07-09 Frame for paper roll pivoting - has bracket for lift truck fork engagement and side support members for deposition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8113924A FR2509272A1 (en) 1981-07-09 1981-07-09 Frame for paper roll pivoting - has bracket for lift truck fork engagement and side support members for deposition

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FR2509272A1 true FR2509272A1 (en) 1983-01-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736337A1 (en) * 1995-07-04 1997-01-10 Rondeau Freres Reel handling device fitted on arms or forks of fork lift truck - has cradle, which can rotate between arms of fork lift truck, equipped with reel mandrel constituted by two stationary and one movable shafts forming reel hub clamping jaws
US9896316B2 (en) 2016-06-30 2018-02-20 The Procter & Gamble Company End effector for a transport device for the movement of parent rolls of convolutely wound web materials

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104023A (en) * 1959-10-09 1963-09-17 John K Smith Handling apparatus
US3270901A (en) * 1964-02-17 1966-09-06 Thomas E Ord Transporting and dumping device
US3438523A (en) * 1967-04-19 1969-04-15 Inventors Engineering Load clamping and articulate apparatus
US3734328A (en) * 1972-01-06 1973-05-22 H Dalglish Roll lifter
US3893579A (en) * 1972-06-22 1975-07-08 Vern K Glewwe Drum dumping lift truck attachment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104023A (en) * 1959-10-09 1963-09-17 John K Smith Handling apparatus
US3270901A (en) * 1964-02-17 1966-09-06 Thomas E Ord Transporting and dumping device
US3438523A (en) * 1967-04-19 1969-04-15 Inventors Engineering Load clamping and articulate apparatus
US3734328A (en) * 1972-01-06 1973-05-22 H Dalglish Roll lifter
US3893579A (en) * 1972-06-22 1975-07-08 Vern K Glewwe Drum dumping lift truck attachment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736337A1 (en) * 1995-07-04 1997-01-10 Rondeau Freres Reel handling device fitted on arms or forks of fork lift truck - has cradle, which can rotate between arms of fork lift truck, equipped with reel mandrel constituted by two stationary and one movable shafts forming reel hub clamping jaws
US9896316B2 (en) 2016-06-30 2018-02-20 The Procter & Gamble Company End effector for a transport device for the movement of parent rolls of convolutely wound web materials

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