EP0179300B1 - Machine for winding at least one metallic wire on a cable at a very slow pace - Google Patents

Machine for winding at least one metallic wire on a cable at a very slow pace Download PDF

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Publication number
EP0179300B1
EP0179300B1 EP85112216A EP85112216A EP0179300B1 EP 0179300 B1 EP0179300 B1 EP 0179300B1 EP 85112216 A EP85112216 A EP 85112216A EP 85112216 A EP85112216 A EP 85112216A EP 0179300 B1 EP0179300 B1 EP 0179300B1
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EP
European Patent Office
Prior art keywords
pulley
cable
wire
coil
machine according
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
Application number
EP85112216A
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German (de)
French (fr)
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EP0179300A1 (en
Inventor
Gérard Delobel
Daniel Paulin
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.)
Cables de Lyon SA
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Cables de Lyon 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 Cables de Lyon SA filed Critical Cables de Lyon SA
Publication of EP0179300A1 publication Critical patent/EP0179300A1/en
Application granted granted Critical
Publication of EP0179300B1 publication Critical patent/EP0179300B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
    • D07B3/02—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position
    • D07B3/06—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position and are spaced radially from the axis of the machine, i.e. basket or planetary-type stranding machine
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2207/00—Rope or cable making machines
    • D07B2207/40—Machine components
    • D07B2207/409—Drives

Definitions

  • the present invention relates to a machine for winding, at a very short pitch, on a cable, at least one metallic armouring wire, comprising a first means for moving a rectilinear portion of the cable in translation along its axis and at least one coil. distribution of said wire arranged on a reel holder subjected to rotate around the cable in a plane perpendicular to said axis, the wire passing over a grooved pulley disposed between the reel and the cable and fixed axis relative to the reel.
  • Machines of this type which essentially comprise means for moving in translation along its axis a rectilinear part of the cable, and at least one spool for distributing said wire subject to rotate around said rectilinear part of the cable in a plane perpendicular to said axis.
  • the wire is unwound from the spool and driven by the traction exerted by the cable itself during its advancement.
  • the machine described above cannot be used. Indeed, the tightening effect of metal wires (6 to 7 mm in diameter or more) on the cable is considerable and would crush the lead. This would result in folds of the lead sheath causing irregularities in the insulation and which could cause the cable to snap during use.
  • Document DE-C-394 934 describes a machine for stranding the conductive wires of an electric cable comprising a reel holder rotated at a determined speed, coils of conductive wires carried by this reel holder, and pulleys of control of the advance speed of the rotating wire at a speed multiple of that of the spool holder.
  • the wire feed speed can only be changed by stopping the machine and changing the transmission gears from the rotation of the spool holder to the pulleys. It does not make it possible to modify the speed of advance of the thread during the operation of the machine, which can lead to too strong tension or to insufficient tension of the thread.
  • the object of the present invention is to allow correct fitting of the armor wires of a cable, while constantly maintaining a good tension of the wires during the operation of the machine and a regular pitch of the helical armor.
  • the machine according to the invention is characterized in that the pulley is provided with a drive means for rotation at an adjustable speed, independently of the speed of rotation of the reel holder.
  • the pulley drive means comprises a drum, coaxial with the spool holder and driven by a motor associated with a variable speed drive, said drum carrying a toothed ring coaxial with the drum and driving a sprocket of a chain axis integral with the reel holder, said pinion being integral in rotation with said pulley.
  • the cable to be armed is designated by the reference 1. It is driven in a translational movement in the direction of the arrow and, after receiving the armor wires on a part made rectilinear, it s' wind on a capstan 2, then on a reel not shown.
  • the winding of the armor metal wires is produced, as is well known, by rotation, around the straight part of the cable, of a set of 3 reel holders.
  • the winding of the armor metal wires is produced, as is well known, by rotation, around the straight part of the cable, of a set of 3 reel holders.
  • Only two coils 4 have been shown, but it should be understood that there are several coils, for example sixteen, regularly distributed around the assembly 3 to which they are fixed.
  • the wire 5 exits from the spool 4 and passes over pulleys 6 and 8.
  • the assembly 3 is rotated by a motor 9 driving, by a pinion 10, a toothed crown 11 surrounding the assembly 3.
  • Line 12 in dashed lines symbolizes the synchronism existing between the movement of the capstan, therefore the speed of translation of the cable, and the speed of rotation of the reel holder assembly 3.
  • the pulley is driven by a drum 15, coaxial with the rectilinear part of the cable and inside the set of 3 reel holders.
  • This drum is rotated by the motor 9 by a ring gear 16, cooperating with the pinions 17, 18 and 19.
  • a speed controller 20 is interposed between the pinions 17 and 18. Its role will be explained later.
  • a ring gear 21, at the end of the drum 15 located on the drum side, allows the pulley 8 to be driven by means of a chain 22, a pinion 23 and a bevel gear 24.
  • the chain link between the ring gear and the pinion 23 will be explained later, with reference to FIG. 2.
  • the rotation of the pulley 8, in synchronism with the reel holder, ensures by friction the movement of the wire, such. so that the tension of the wire on the cable is acceptable by the latter.
  • This thread tension is measured using a sensor 25. If the thread tension is too high, the speed controller 20 is used to increase the angular speed of the drum and therefore that of the pulley 8.
  • a pressure roller 26 holds the wire 5 in the groove of the pulley 8; this groove, of triangular profile, allows friction therefore a more or less strong drive of the wire depending on whether it goes more or less quickly compared to the correct speed. There is therefore “self-regulation”.
  • FIG. 2 is a partial end view of a machine having sixteen bobbin carriers.
  • Toothed wheels 33, 33A, 338, ..., 33G serve as references for the chain 22; at least one of these wheels, here the wheel 33, has a movable shaft to allow the chain tension to be adjusted (the dashed lines show another position of the chain and the wheel 33).
  • the indications of the wire tension sensor 25 control the speed of the control motor: acting on the variator 20 independently of the main motor 9.

Description

La présente invention est relative à une machine pour enrouler, à pas très court, sur un câble, au moins un fil métallique d'armure, comprenant un premier moyen pour déplacer une portion rectiligne du câble en translation selon son axe et au moins une bobine de distribution dudit fil disposée sur un porte-bobines assujetti à tourner autour du câble dans un plan perpendiculaire audit axe, le fil passant sur une poulie à gorge disposée entre la bobine et le câble et d'axe fixe par rapport à la bobine.The present invention relates to a machine for winding, at a very short pitch, on a cable, at least one metallic armouring wire, comprising a first means for moving a rectilinear portion of the cable in translation along its axis and at least one coil. distribution of said wire arranged on a reel holder subjected to rotate around the cable in a plane perpendicular to said axis, the wire passing over a grooved pulley disposed between the reel and the cable and fixed axis relative to the reel.

On connaît des machines de ce type qui comprennent essentiellement des moyens pour déplacer en translation selon son axe une partie rectiligne du câble, et au moins une bobine de distribution dudit fil assujettie à tourner autour de ladite partie rectiligne du câble dans un plan perpendiculaire audit axe.Machines of this type are known which essentially comprise means for moving in translation along its axis a rectilinear part of the cable, and at least one spool for distributing said wire subject to rotate around said rectilinear part of the cable in a plane perpendicular to said axis. .

Dans ce type de machine, le fil est déroulé de la bobine et entraîné par la traction exercée par le câble lui-même lors de son avancement.In this type of machine, the wire is unwound from the spool and driven by the traction exerted by the cable itself during its advancement.

Lorsque le câble à armer est fragile, par exemple lorsqu'il est revêtu extérieurement d'une gaine de plomb, la machine décrite ci-dessus ne peut être utilisée. En effet, l'effet de serrage de fils métalliques (de 6 à 7 mm de diamètre ou plus) sur le câble est considérable et écraserait le plomb. Il en résulterait des plis de la gaine de plomb provoquant des irrégularités d'isolation et pouvant entraîner, le claquage du câble lors de son utilisation.When the cable to be reinforced is fragile, for example when it is coated on the outside with a lead sheath, the machine described above cannot be used. Indeed, the tightening effect of metal wires (6 to 7 mm in diameter or more) on the cable is considerable and would crush the lead. This would result in folds of the lead sheath causing irregularities in the insulation and which could cause the cable to snap during use.

Le document DE-C-394 934 décrit une machine de toronnage des fils conducteurs d'un câble électrique comprenant un porte-bobines entraîné en rotation à une vitesse déterminée, des bobines de fils conducteurs portées par ce porte-bobines, et des poulies de contrôle de la vitesse d'avance du fil tournant à une vitesse multiple de celle du porte-bobines. La vitesse d'avance du fil ne peut être modifiée qu'en arrêtant la machine et en changeant des engrenages de transmission de la rotation du porte-bobines aux poulies. Elle ne permet pas de modifier la vitesse d'avance du fil au cours du fonctionnement de la machine, ce qui peut conduire à une tension trop forte ou à une tension insuffisante du fil.Document DE-C-394 934 describes a machine for stranding the conductive wires of an electric cable comprising a reel holder rotated at a determined speed, coils of conductive wires carried by this reel holder, and pulleys of control of the advance speed of the rotating wire at a speed multiple of that of the spool holder. The wire feed speed can only be changed by stopping the machine and changing the transmission gears from the rotation of the spool holder to the pulleys. It does not make it possible to modify the speed of advance of the thread during the operation of the machine, which can lead to too strong tension or to insufficient tension of the thread.

La présente invention a pour but de permettre une mise en place correcte des fils d'armure d'un câble, tout en maintenant constamment une bonne tension des fils pendant le fonctionnement de la machine et un pas régulier de l'armure hélicoïdale.The object of the present invention is to allow correct fitting of the armor wires of a cable, while constantly maintaining a good tension of the wires during the operation of the machine and a regular pitch of the helical armor.

La machine selon l'invention est caractérisée en ce que la poulie est munie d'un moyen d'entraînement en rotation à une vitesse ajustable, indépendamment de la vitesse de rotation du porte-bobines.The machine according to the invention is characterized in that the pulley is provided with a drive means for rotation at an adjustable speed, independently of the speed of rotation of the reel holder.

De préférence, le moyen d'entraînement de la poulie comprend un tambour, coaxial au porte-bobines et entraîné par un moteur associé à un variateur de vitesse, ledit tambour portant une couronne dentée coaxiale au tambour et entraînant par une chaîne un pignon d'axe solidaire du porte-bobines, ledit pignon étant solidaire en rotation de ladite poulie.Preferably, the pulley drive means comprises a drum, coaxial with the spool holder and driven by a motor associated with a variable speed drive, said drum carrying a toothed ring coaxial with the drum and driving a sprocket of a chain axis integral with the reel holder, said pinion being integral in rotation with said pulley.

L'invention sera bien comprise par la description ci-après d'un mode préféré de réalisation de l'invention, en référence aux dessins annexés dans lesquels:

  • - la figure 1 est un schéma de principe de l'invention
  • - la figure 2 est une vue schématique montrant l'entraînement simultané de 16 poulies sur une même machine.
The invention will be better understood from the following description of a preferred embodiment of the invention, with reference to the accompanying drawings in which:
  • - Figure 1 is a block diagram of the invention
  • - Figure 2 is a schematic view showing the simultaneous drive of 16 pulleys on the same machine.

Dans la figure 1, le câble à armer est désigné par la référence 1. Il est animé d'un mouvement de translation selon le sens de la flèche et, après avoir reçu les fils d'armure sur une partie rendue rectiligne, il s'enroule sur un cabestan 2, puis sur un touret non représenté.In Figure 1, the cable to be armed is designated by the reference 1. It is driven in a translational movement in the direction of the arrow and, after receiving the armor wires on a part made rectilinear, it s' wind on a capstan 2, then on a reel not shown.

L'enroulement des fils métalliques d'armure est réalisé, comme il est bien connu, par rotation, autour de la partie rectiligne du câble, d'un ensemble 3 porte-bobines. Pour la clarté du schéma, on n'a représenté que deux bobines 4, mais on doit bien comprendre qu'il y a plusieurs bobines, par exemple seize, régulièrement réparties autour de l'ensemble 3 auquel elles sont fixées.The winding of the armor metal wires is produced, as is well known, by rotation, around the straight part of the cable, of a set of 3 reel holders. For clarity of the diagram, only two coils 4 have been shown, but it should be understood that there are several coils, for example sixteen, regularly distributed around the assembly 3 to which they are fixed.

Le fil 5 sort de la bobine 4 et passe sur des poulies 6 et 8. L'ensemble 3 est entraîné en rotation par un moteur 9 entraînant, par un pignon 10, une couronne dentée 11 entourant l'ensemble 3.The wire 5 exits from the spool 4 and passes over pulleys 6 and 8. The assembly 3 is rotated by a motor 9 driving, by a pinion 10, a toothed crown 11 surrounding the assembly 3.

La ligne 12 en traits mixtes symbolise le synchronisme existant entre le mouvement du cabestan, donc la vitesse de translation du câble, et la vitesse de rotation de l'ensemble porte-bobines 3.Line 12 in dashed lines symbolizes the synchronism existing between the movement of the capstan, therefore the speed of translation of the cable, and the speed of rotation of the reel holder assembly 3.

Un appareil tel que décrit jusqu'ici est connu du document DE-C-745 323.An apparatus as described hitherto is known from document DE-C-745 323.

Pour éviter d'endommager le câble en raison de la tension du fil 5, on motorise, selon l'invention, l'une des poulies sur laquelle passe le fil dans son parcours entre la bobine et le câble.To avoid damaging the cable due to the tension of the wire 5, one motorizes, according to the invention, one of the pulleys over which the wire passes in its path between the coil and the cable.

On choisit de préférence la poulie 8 située à l'extrémité de l'ensemble 3 par où débouche le câble.It is preferable to choose the pulley 8 located at the end of the assembly 3 through which the cable opens.

L'entraînement de la poulie est réalisé au moyen d'un tambour 15, coaxial à la partie rectiligne du câble et intérieur à l'ensemble 3 porte-bobines. Ce tambour est entraîné en rotation par le moteur 9 par une couronne dentée 16, coopérant avec les pignons 17, 18 et 19. Un variateur de vitesse 20 est intercalé entre les pignons 17 et 18. Son rôle sera expliqué plus loin.The pulley is driven by a drum 15, coaxial with the rectilinear part of the cable and inside the set of 3 reel holders. This drum is rotated by the motor 9 by a ring gear 16, cooperating with the pinions 17, 18 and 19. A speed controller 20 is interposed between the pinions 17 and 18. Its role will be explained later.

Une couronne dentée 21, à l'extrémité du tambour 15 située du côté touret, permet l'entraînement de la poulié 8 par l'intermédiaire d'une chaîne 22, d'un pignon 23 et d'un renvoi d'angle 24. La liaison par chaîne entre la couronne dentée et le pignon 23 sera expliquée plus loin, en référence à la figure 2.A ring gear 21, at the end of the drum 15 located on the drum side, allows the pulley 8 to be driven by means of a chain 22, a pinion 23 and a bevel gear 24. The chain link between the ring gear and the pinion 23 will be explained later, with reference to FIG. 2.

Le fonctionnement est le suivant:The operation is as follows:

Lors de l'enroulement d'un fil, le câble se déplace en translation et l'ensemble porte-bobines en rotation, ce qui permet un enroulement régulier.When winding a wire, the cable moves in translation and the carrier assembly bines in rotation, which allows a regular winding.

La rotation de la poulie 8, en synchronisme avec le porte-bobines, assure par friction le déplacement du fil, de telle. sorte que la tension du fil sur le câble est acceptable par ce dernier. Cette tension du fil est mesurée à l'aide d'un capteur 25. Si on constate une tension trop forte du fil, on agit sur le variateur de vitesse 20 pour augmenter la vitesse angulaire du tambour et donc celle de la poulie 8.The rotation of the pulley 8, in synchronism with the reel holder, ensures by friction the movement of the wire, such. so that the tension of the wire on the cable is acceptable by the latter. This thread tension is measured using a sensor 25. If the thread tension is too high, the speed controller 20 is used to increase the angular speed of the drum and therefore that of the pulley 8.

Si au contraire le câble est insuffisamment tendu, on réduit la vitesse du tambour.If, on the contrary, the cable is insufficiently tensioned, the speed of the drum is reduced.

Un galet presseur 26 maintient le fil 5 dans la gorge de la poulie 8; cette gorge, de profil triangulaire, permet une friction donc un entraînement plus ou moins fort du fil suivant que celui- ci va plus ou moins vite par rapport à la vitesse correcte. Il y a donc "autorégulation".A pressure roller 26 holds the wire 5 in the groove of the pulley 8; this groove, of triangular profile, allows friction therefore a more or less strong drive of the wire depending on whether it goes more or less quickly compared to the correct speed. There is therefore "self-regulation".

Il y a autant d'ensembles roue dentée 23, renvoi d'angle 24 et poulie motorisée 8 qu'il y a de bobines 4 équipant la machine. On utilise préférentiellement une seule chaîne 22 d'entraînement, comme le montre la figure 2, qui est une vue partielle en bout d'une machine ayant seize porte-bobines.There are as many sets of toothed wheels 23, angular gear 24 and motorized pulley 8 as there are coils 4 fitted to the machine. Preferably, a single drive chain 22 is used, as shown in FIG. 2, which is a partial end view of a machine having sixteen bobbin carriers.

On distingue le câble 1 passant dans le tambour 15 qui porte la couronne dentée 21. La chaîne 22 passe sur les pignons 23 et ses homologues 23A, 23B, 23C,..., 23N, 23P correspondant aux 15 autres ensembles d'entraînement de fils.There is a cable 1 passing through the drum 15 which carries the ring gear 21. The chain 22 passes over the pinions 23 and its counterparts 23A, 23B, 23C, ..., 23N, 23P corresponding to the 15 other drive sets of son.

Des roues dentées 33, 33A, 338,..., 33G servent de renvois pour la chaîne 22; l'une au moins de ces roues, ici la roue 33, a un arbre déplaçable pour permettre d'ajuster la tension de la chaîne (les trait en tiretés montrent une autre position de la chaîne et de la roue 33). Les indications du capteur 25 de tension du fil commandent la vitesse du moteur de commande: agissant sur le variateur 20 d'une façon indépendante du moteur principal 9.Toothed wheels 33, 33A, 338, ..., 33G serve as references for the chain 22; at least one of these wheels, here the wheel 33, has a movable shaft to allow the chain tension to be adjusted (the dashed lines show another position of the chain and the wheel 33). The indications of the wire tension sensor 25 control the speed of the control motor: acting on the variator 20 independently of the main motor 9.

Claims (7)

1. A machine for winding at least one metal armouring wire (5) with a very short pitch, on a cable (1), comprising a first means for translatably moving a rectilinear portion of the cable along its axis, and at least one wire distribution coil (4) disposed on a coil-holder (3) subjected to turning around the cable in a plane perpendicular to said axis, with the wire passing on a grooved pulley (8) arranged between the coil and the cable and having a fixed axis in relation to the coil, characterized in that the pulley (8) is provided with driving means (9, 18, 20, 21, 22, 23) capable of being adjusted in speed independently of the speed of rotation of the coil-holder (3).
2. A machine according to claim 1, characterized in that the pulley (8) has a triangular groove.
3. A machine according to one of claims 1 and 2, characterized in that a presser component (26) exerts pressure onto the wire in order to retain it at the bottom of the groove.
4. A machine according to one of claims 1 to 3, characterized in that the pulley (8) driving means comprises a drum (15) which is coaxial to the coil-holder (3) and is driven by a motor (9) associated with a speed variator (20), said drum bearing a cogged ring (21) which drives via a chain (22) a pinion (23) whose axis is fixed to the coil-holder (3), said pinion being coupled in rotation to said pulley (8).
5. A machine according to claim 4, characterized in that the pulley (8) and the pinion (23) are rotatably connected by a bevel gear (24).
6. A machine according to any one of claims 1 to 5, characterized in that the wire (5) is pressed into the groove of the pulley (8) by a presser roller (26).
7. A machine according to any one of claims 1 to 6, characterized in that it comprises a sensor (25) measuring the tension of the wire leaving the pulley (8).
EP85112216A 1984-09-28 1985-09-26 Machine for winding at least one metallic wire on a cable at a very slow pace Expired EP0179300B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8414948A FR2571072B1 (en) 1984-09-28 1984-09-28 MACHINE FOR WINDING ON A CABLE, WITH A VERY SHORT PIT, AT LEAST ONE METAL WIRE OF ARMOR.
FR8414948 1984-09-28

Publications (2)

Publication Number Publication Date
EP0179300A1 EP0179300A1 (en) 1986-04-30
EP0179300B1 true EP0179300B1 (en) 1989-07-12

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EP85112216A Expired EP0179300B1 (en) 1984-09-28 1985-09-26 Machine for winding at least one metallic wire on a cable at a very slow pace

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US (1) US4663928A (en)
EP (1) EP0179300B1 (en)
JP (1) JPS6185715A (en)
DE (1) DE3571527D1 (en)
DK (1) DK166699B1 (en)
FR (1) FR2571072B1 (en)
NO (1) NO167886C (en)

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Also Published As

Publication number Publication date
NO167886C (en) 1991-12-18
NO853780L (en) 1986-04-01
FR2571072A1 (en) 1986-04-04
JPH047523B2 (en) 1992-02-12
EP0179300A1 (en) 1986-04-30
DK438985D0 (en) 1985-09-27
NO167886B (en) 1991-09-09
DK438985A (en) 1986-03-29
DK166699B1 (en) 1993-06-28
DE3571527D1 (en) 1989-08-17
US4663928A (en) 1987-05-12
FR2571072B1 (en) 1986-12-05
JPS6185715A (en) 1986-05-01

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