EP0600770B1 - Abwickelvorrichtung für biegsamen Schlauch - Google Patents

Abwickelvorrichtung für biegsamen Schlauch Download PDF

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Publication number
EP0600770B1
EP0600770B1 EP19930402861 EP93402861A EP0600770B1 EP 0600770 B1 EP0600770 B1 EP 0600770B1 EP 19930402861 EP19930402861 EP 19930402861 EP 93402861 A EP93402861 A EP 93402861A EP 0600770 B1 EP0600770 B1 EP 0600770B1
Authority
EP
European Patent Office
Prior art keywords
chassis
spool
unwinding device
unwinding
flexible tube
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
EP19930402861
Other languages
English (en)
French (fr)
Other versions
EP0600770A1 (de
Inventor
Jean-Pierre Fauger
André Prunier
Jack Murzeau
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.)
Poujoulat SA
Original Assignee
Poujoulat 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 Poujoulat SA filed Critical Poujoulat SA
Publication of EP0600770A1 publication Critical patent/EP0600770A1/de
Application granted granted Critical
Publication of EP0600770B1 publication Critical patent/EP0600770B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/14—Pulleys, rollers, or rotary bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/20—Package-supporting devices
    • B65H49/32—Stands or frameworks

Definitions

  • the present invention relates to a flexible sheath unwinder according to the preamble of claim 1 represented by document US-A-4 705 283. It relates more particularly to a large diameter sheath unwinder, for example, discharge pipes of fumes from heating appliances.
  • the sheath is constituted by a metal strip undergoing a spiral and embossed winding, having both mechanical resistance qualities and aptitudes for conformation by its relative flexibility.
  • a plastic coating surrounds a spiral metal wire defining the diameter of the duct to be obtained.
  • It can also be a flexible sheath with a smaller diameter, and which is more particularly intended for embedding electrical installations in the walls of a room to be equipped.
  • the invention relates to the packaging of a sheath, the degree of flexibility required in normal use is less than that necessary, for example, for its winding on a distributor coil, or quite simply on it. even, according to a smaller diameter for easy storage.
  • the radius of curvature of such flexible sheaths when they are reeled for storage, is generally less than the radii to which they are shaped during their implementation. This causes a natural redeployment of the turns formed by the sheath, as soon as the retention of its end is released, for example, by cutting a hoop.
  • the flexible sheath which is freed from any constraint, will tend to naturally resume a generally elongated shape, difficult to control and hampering easy removal from the reel according to a desired length, or simply its handling.
  • the present invention aims to remedy the aforementioned problems and relates to an unwinder allowing good unwinding of the flexible sheath, whatever the desired length, while perfectly controlling this unwinding and allowing a good presentation of the product to the public.
  • the invention relates to a flexible sheath unwinder of the type comprising a fixed support, on which is journalled a coil formed by a cylindrical core provided at its ends with two flanges of larger diameter, so as to contain a plurality coiled sheets of sheath capable of unwinding under the effect of a traction.
  • the fixed support is constituted by a self-supporting frame comprising two lateral parts connected transversely to each other to form a rigid frame.
  • the lateral parts can be constituted, on the one hand, by two lateral support arms directed upwards and whose free ends are capable of receiving the ends of an axis passing through the coil, and on the other hand, by two longitudinal members horizontal extending said support arms at their lower part by forming an angle such as to give the whole its stability, when the spool is in place with a view to unwinding.
  • At least one bar is arranged transversely between the two lateral parts of the chassis, near a lower zone of the coil once in place, so as to constitute a stop at unwanted unwinding of the free end of the sheath after a sample, and to facilitate the unwinding of the coil, during a new sample, by reducing friction.
  • Such an embodiment not only offers a functional unwinder, but also an optimum display.
  • the present invention also relates to the characteristics below, considered in isolation or in all their technically possible combinations.
  • the height of the support arms is greater than the radius of the coil, so that after loading it on the chassis, it is no longer in contact with the ground and can rotate freely around its axis depending on the flexible sheath unwinding needs, carried out by traction.
  • the loading and unloading of the reel is carried out by tilting the chassis in one direction or the other, around a point of support on the ground, located in the angle formed by the support arms relative to to the corresponding side members, then acting in the manner of lever arms.
  • two lateral rollers are arranged on either side of the front of the chassis to constitute the support points on the ground during the tilting of said chassis, for loading or unloading of the reel, and to facilitate moving it from one point to another.
  • the free ends of the support arms comprise means for gripping the ends of the axis of the coil.
  • These means consist of two bearings open in the manner of a fork, so as to allow the reception of the axis by engagement in a direction perpendicular to it. latest.
  • the gripping forks form asymmetrical branches, of which those directed towards the outside of the chassis are extended relatively with respect to those directed towards the inside, so as to constitute sliding ramps of the spool axis, during gripping it, and during its loading on the chassis.
  • the frame rails have two free ends connected together by a vertical facade element constituting a front part of the frame, secured to two telescopic arms capable of sliding in the frame members for adjusting the length of said frame.
  • the front element of the chassis comprises, on the one hand, a flexible support forming a clamp, into which the free end of the sheath can be clipped in order to maintain it between two samples, or during a cutting operation. during a sampling, and on the other hand, a transverse roller disposed in the immediate vicinity of the clamp to facilitate unwinding.
  • the flanges of the coil comprise at least one stop plate produced on their respective periphery and capable of constituting a means for immobilizing the coil in rotation, when it is waiting on the ground, for its gripping by the chassis.
  • At least one of the flanges of the coil has a plurality of studs arranged in relief on its external face and regularly distributed equidistant from the center, so as to facilitate, on the one hand, its removal from a stack by the forks of an elevating machine and bring it close to the self-supporting chassis and, on the other hand, to ensure its balance on the ground before being tilted horizontally to be taken up by the support arms of said chassis via the forks.
  • a film of stretchable plastic material is continuously arranged forming a band of width such as to allow its overlap, and consequently to ensure the holding of the sheath turns unreeled remaining in tablecloth compared to those unwound having returned to their natural slender shape.
  • the unwinder designated 1 as a whole in the Figures, is generally constituted by a self-supporting chassis 7, on which a spool 2 is mounted in a swiveling manner formed by a cylindrical core 3 provided at its ends with two flanges 4, 5 of larger diameter, so as to be able to contain a plurality of superimposed layers of coiled sheath 6 able to unwind under the effect of manual voluntary traction.
  • the chassis 7 forms a rigid frame comprising two lateral parts 7a, 7b which are mutually parallel and perpendicular to the ground 8, on which it is intended to rest.
  • the lateral parts 7a, 7b of the chassis 7 are constituted by lateral support arms 9, 10 directed upwards, and the free ends 9a and 10a of which are suitable for receiving the ends 11a, 11b of an axis 11 passing right through the coil 2 and emerging from the flanges 4, 5 of the coil 2.
  • the lateral parts 7a, 7b also consist of two horizontal beams 12, 13 extending said support arms 9, 10 at their lower part opposite the ends 9a, 10a.
  • the connection of said arms and side members is effected by a curvature of an initially straight tube to form an angle ⁇ , such as to give the assembly its stability, when the coil 2 is in place.
  • the angle ⁇ chosen is equal to 70 °.
  • the parts 7a, 7b thus produced are fixedly joined together by a first spacer 16 arranged between the arms 9 and 10 substantially at their lower part and perpendicularly, and by a second spacer 17 arranged identically between the struts 14 and 15.
  • the longitudinal members 12, 13 of the chassis 7 have two free ends 12a, 13a connected together by a vertical facade element 18 constituting a front part of the chassis 7, integral with two telescopic arms 19, 20 capable of sliding in the longitudinal members for adjusting the length of said chassis 7.
  • the front element 18 of the chassis 7 comprises, on the one hand, a flexible support forming a clamp 21, into which the free end 6a of the sheath 6 can be clipped in order to maintain it between two samples, or during 'A cutting operation during a sampling and, on the other hand, a transverse roller 22 disposed in the immediate vicinity of the clamp 21 to facilitate unwinding.
  • the distance separating the clamp 21 from the coil is such as to give the unwound coil a length sufficient to avoid angular distortions with respect to said coil.
  • front element 18 of rectangular conformation is arranged transversely to the side members 12 and 13 of the chassis, and that it can be the subject of an advertising medium 23.
  • its lateral uprights 18a and 18b comprise sleeves 24, 25 or 26, 27, arranged in pairs, along the same axis, respectively on said uprights and making it possible to receive, on one side or the other, a foot 28 carrying the clamp 21.
  • the front element 18 comprises a handle 29 facilitating the movement of the unwinder 1 before, during or after loading the reel 2.
  • the height h2 of the support arms 9, 10, and therefore of the axis 11 passing through the coil is greater than the radius r1 of the coil 2, so that after loading of the latter on the chassis 7, it is no longer in contact with the ground 8 and can rotate freely around its axis 11 as a function of the flexible sheath unwinding needs, effected by traction.
  • the loading and unloading of the reel is carried out by tilting the chassis in one direction F1, or in the other direction F2, around a fulcrum A on the ground 8, located in the angle ⁇ formed by the support arms 9, 10 relative to the corresponding side members 12, 13 , then acting like a lever arm.
  • the free ends 9a, 10a of the support arms 9, 10 comprise means for gripping the ends 11a, 11b of the axis 11 of the coil 2, which means consist of two open bearings in the manner of a fork 32, 33, so as to allow the reception of the axis 11 by engagement in a direction perpendicular to the latter.
  • the gripping forks 32, 33 form asymmetrical branches, of which those 32a, 33a directed towards the outside of the chassis 7 are extended relatively with respect to those 32b, 33b directed towards the inside, so as to constitute sliding ramps of the spindle axis 2 of coil 2, when it is gripped, and during its loading onto the chassis 7.
  • two front rollers 34 and rear 35 are arranged transversely, respectively between the front parts of the struts 14 and 15, and between the rear lower parts of the support arms 9 and 10.
  • these are arranged near a lower peripheral zone of the coil 2, once in place.
  • the front bar 34 constitutes a stop to the unwanted unwinding of the free end 6a of the sheath 6 after removal, the rear bar 35 constituting an additional stop.
  • the flexible sheath can be wound on the reel 1 in tight turns but, when its end is relaxed because of its very flexibility, it tends to return to a rectilinear shape or, at least the turns tend to deform, so as to take a configuration in which they have the largest possible diameter, greater than that which they have when they are joined.
  • the bars or rollers 34, 35 are approximately symmetrical with respect to the vertical plane passing through the axis of the coil.
  • bars or rollers 34, 35, and also 22 located on the front element 18 has the advantage of facilitating the unwinding of the coil 2 during a new withdrawal, by reducing the friction of the sheath. 6.
  • the clamp 21 also contributes to preventing the unwanted unwinding of the sheath 6 by pinching its end 6a.
  • An additional means is provided for the same purpose and consists in that, on each of the turns formed by the sheath 6 wound in a sheet on the coil 2, is continuously arranged a film of stretchable plastic material forming a strip 36 of width such as to allow it to overlap, and consequently ensure the holding in place of the turns of sheath 6 not unwound remaining in sheet compared to those unwound having resumed their natural slender shape.
  • the flanges 4, 5 of the coil 2 comprise at least one stop plate 40 produced on their respective periphery and capable of constituting a means of immobilization in rotation of the reel 2, when it is waiting on the ground, for its gripping by the chassis 7.
  • At least one of the flanges 4, 5 of the coil 2 has a plurality of studs 41 arranged in relief on its external face and regularly distributed equidistant from the center O, so as to facilitate, on the one hand, its removal in a stack by the forks of an elevating machine and bring it close to the self-supporting chassis 7 and, on the other hand, to ensure its balance on the ground before being tilted horizontally to be taken by the support arms 9 , 10 of said chassis 7 via the forks 32, 33.

Landscapes

  • Unwinding Of Filamentary Materials (AREA)

Claims (12)

  1. Abwickelvorrichtung für biegsamen Schlauch mit einer festen Auflage, auf welcher eine Rolle (2) drehbar angebracht ist, die von einem zylindrischen Kern (3) gebildet ist, der an seinen Enden mit zwei Flanschen (4, 5) größeren Durchmessers versehen ist, so daß eine Mehrzahl von Lagen von aufgerolltem, durch Ziehen abwickelbarem Schlauch (6) aufgenommen werden kann, wobei die feste Auflage aus einem selbsttragenden Gestell (7) besteht, das zwei Seitenteile (7a, 7b) umfaßt, die zur Bildung eines starren Rahmens quer miteinander verbunden sind, wobei die Seitenteile (7a, 7b) geeignet sind, die Enden (11a, 11b) einer durch die Rolle (2) verlaufenden Achse (11) aufzunehmen und dem Aufbau Festigkeit zu verleihen, wenn die Rolle (2) zum Abwickeln plaziert ist, dadurch gekennzeichnet, daß die Abwickelvorrichtung wenigstens eine Stange (34, 35) umfaßt, die quer zwischen den beiden Seitenteilen (7a, 7b) des Gestells (7) im Bereich eines unteren Abschnitts der plazierten Rolle (2) derart angeordnet ist, daß sie eine Sicherung gegen das versehentliche Abrollen des freien Endes (6a) des Schlauches (6) nach einem Abwickelvorgang bildet und bei einem erneuten Abwickelvorgang das Abwickeln der Rolle durch Verminderung der Reibungen erleichtert.
  2. Abwickelvorrichtung für biegsamen Schlauch nach Anspruch 1, dadurch gekennzeichnet, daß sie zwei Stangen (34, 35) umfaßt, die quer zwischen den beiden Seitenteilen (7a, 7b) des Gestells (7) im Bereich eines unteren Abschnitts der plazierten Rolle (2) angeordnet sind, wobei diese beiden Stangen bezogen auf die vertikale Ebene etwa symmetrisch sind, die durch die die Rolle durchsetzende Achse (11) gelegt ist.
  3. Abwickelvorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Seitenteile (7a, 7b) einerseits durch zwei nach oben gerichtete, seitliche Stützarme (9, 10), deren freie Enden (9a, 10a) geeignet sind, die Enden (11a, 11b) einer die Rolle (2) durchsetzenden Achse (11) aufzunehmen, und andererseits durch zwei horizontale Längsträger (12, 13) gebildet sind, die diese Stützarme (9, 10) an ihrem unteren Abschnitt unter Bildung eines Winkels alpha verlängern, um der Gesamtkonstruktion Festigkeit zu verleihen.
  4. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Höhe (h2) der die Rolle durchsetzenden Achse (11) größer ist als der Radius (r1) der Rolle (2), so daß diese nach dem Anbringen auf dem Gestell (7) nicht mehr den Boden (8) berührt und zum Zweck des durch Ziehen stattfindenden Abwickelns von biegsamem Schlauch um ihre Achse (11) frei drehbar ist, wobei das Anbringen und Abnehmen der Rolle durch Schwenken des Gestells in die eine (F1) oder andere Richtung (F2) um einen Drehpunkt (A) auf dem Boden (8) durchgeführt wird, der in dem Winkel alpha liegt, der von den Stützarmen (9, 10) mit den entsprechenden, nun als Hebelarme dienenden Längsträgern (12, 13) gebildet wird.
  5. Abwickelvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß zwei seitliche Rollen (30, 31) beiderseits der Vorderseite des Gestells (7) angeordnet sind und beim Verschwenken des Gestells (7) zum Anbringen oder Abnehmen der Rolle (2) auf dem Boden (8) die Drehpunkte (A) bilden und das Verlagern der Rolle von einem Ort an einen anderen erleichtern.
  6. Abwickelvorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die freien Enden (9a, 10a) der Stützarme (9, 10) Mittel zum Greifen der Enden (11a, 11b) der Achse (11) der Rolle (2) umfassen, die aus zwei offenen Lagern nach Art einer Gabel (32, 33) bestehen, so daß sie die Aufnahme der Achse (11) durch Eingriff in einer zu dieser senkrechten Richtung ermöglichen.
  7. Abwickelvorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Greifgabeln (32, 33) asymmetrische Zweigarme ausbilden, von denen diejenigen (32a, 33a), die zur Außenseite des Gestells (7) gerichtet sind, gegenüber denjenigen (32b, 33b), die nach innen gerichtet sind, verlängert sind, so daß sie für die Achse (11) der Rolle (2) Gleitflächen bilden, wenn diese ergriffen und auf dem Gestell (7) angebracht wird.
  8. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Längsträger (12, 13) des Gestells (7) zwei freie Enden (12a, 13a) aufweisen, die durch ein vertikales Stirnelement (18) miteinander verbunden sind, das einen vorderen Abschnitt des Gestells (7) bildet, der mit zwei in den Längsträgern zum Einstellen der Länge des Gestells (7) verschiebbaren Teleskoparmen (19, 20) einstückig ausgebildet ist.
  9. Abwickelvorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß das Stirnelement (18) des Gestells (7) einerseits eine elastische Haltevorrichtung in Form einer Klemme (21), in die das freie Ende (6a) des Schlauchs (6) zur Halterung zwischen zwei Abwickelvorgängen und beim Abschneiden während eines Abwickelvorgangs eingeklemmt werden kann, und andererseits eine unmittelbar benachbart zu der Klemme (21) angeordnete Querrolle (22) zur Erleichterung des Abwickelns aufweist.
  10. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Flansche (4, 5) der Rolle (2) wenigstens eine auf ihrem jeweiligen Außenumfang ausgebildete, Arretierabflachung (40) umfassen, die geeignet ist, eine Rotationssperre für die Rolle (2) zu bilden, wenn diese auf dem Boden zum Greifen durch das Gestell bereitsteht.
  11. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß wenigstens einer der Flansche (4, 5) der Rolle (2) eine Mehrzahl von Vorsprüngen (41) aufweist, die erhaben auf ihrer Außenseite angeordnet und regelmäßig mit gleichem Abstand vom Mittelpunkt (O) verteilt sind, um einerseits ihr Abheben von einem Stapel mittels der Gabeln eines Gabelstaplers zu erleichtern und sie in den Bereich des selbsttragenden Gestells zu bringen und um andererseits ihr Gleichgewicht auf dem Boden (8) zu sichern, bevor sie horizontal verkippt wird, um von den Stützarmen (9, 10) des Gestells (7) über die Gabeln (32, 33) aufgenommen zu werden.
  12. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß auf jeder der von dem in Lagen auf der Rolle (2) aufgewickelten Schlauch (6) gebildeten Windungen kontinuierlich eine dehnbare Kunststoff-Folie angeordnet ist, die eine Bahn (36) mit einer solchen Breite bildet, die ein Überlappen zuläßt und dementsprechend die Lagebeibehaltung der schichtweisen, nicht abgewickelten Windungen des Schlauchs (6) gegenüber denjenigen, die abgewickelt sind und wieder ihre natürliche, langgestreckte Form angenommen haben, sicherstellt.
EP19930402861 1992-12-02 1993-11-25 Abwickelvorrichtung für biegsamen Schlauch Expired - Lifetime EP0600770B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9214526A FR2698622B1 (fr) 1992-12-02 1992-12-02 Dérouleur de gaine flexible.
FR9214526 1992-12-02

Publications (2)

Publication Number Publication Date
EP0600770A1 EP0600770A1 (de) 1994-06-08
EP0600770B1 true EP0600770B1 (de) 1996-07-10

Family

ID=9436157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930402861 Expired - Lifetime EP0600770B1 (de) 1992-12-02 1993-11-25 Abwickelvorrichtung für biegsamen Schlauch

Country Status (3)

Country Link
EP (1) EP0600770B1 (de)
DE (1) DE69303584D1 (de)
FR (1) FR2698622B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD829801S1 (en) 2015-12-14 2018-10-02 Hanwha Techwin Co., Ltd. Surveillance camera

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5566901A (en) * 1994-12-13 1996-10-22 Wilder; Ray J. Method and apparatus for winding fire hose
AU676988B3 (en) * 1996-03-15 1997-03-27 David Leo Watkins Reel supporting apparatus
US8403345B2 (en) 2011-05-13 2013-03-26 Michael Angelo Designs, Llc Apparatus with wire cart for moving, storing and dispensing spooled material
US8616485B2 (en) 2011-05-13 2013-12-31 Michael Angelo Designs, Llc Apparatus for moving and dispensing spooled material
CN110467068A (zh) * 2019-08-23 2019-11-19 国网山东省电力公司枣庄供电公司 牵引绳绕线盘放置架

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304060A (en) * 1965-02-11 1967-02-14 Bea Wanless Reel lift
US4705283A (en) * 1985-03-15 1987-11-10 Kleisath Stanley N Electricians wire spool carrier
IT1239357B (it) * 1990-03-08 1993-10-20 Migen Srl Dispositivo per l'azionamento di elememti flessibili

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD829801S1 (en) 2015-12-14 2018-10-02 Hanwha Techwin Co., Ltd. Surveillance camera

Also Published As

Publication number Publication date
FR2698622B1 (fr) 1995-02-17
EP0600770A1 (de) 1994-06-08
DE69303584D1 (de) 1996-08-14
FR2698622A1 (fr) 1994-06-03

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