EP0767965B1 - Cable stranding device with alternate directions of lay - Google Patents

Cable stranding device with alternate directions of lay Download PDF

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Publication number
EP0767965B1
EP0767965B1 EP95923111A EP95923111A EP0767965B1 EP 0767965 B1 EP0767965 B1 EP 0767965B1 EP 95923111 A EP95923111 A EP 95923111A EP 95923111 A EP95923111 A EP 95923111A EP 0767965 B1 EP0767965 B1 EP 0767965B1
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EP
European Patent Office
Prior art keywords
stranding
discs
elastic shaft
bores
individual wires
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EP95923111A
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German (de)
French (fr)
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EP0767965A1 (en
Inventor
Gerhard Seibert
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Bergsmann Ludwig
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Bergsmann Ludwig
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    • 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
    • H01B13/02—Stranding-up
    • H01B13/0235—Stranding-up by a twisting device situated between a pay-off device and a take-up device
    • H01B13/0257—Stranding-up by a twisting device situated between a pay-off device and a take-up device being a perforated disc

Definitions

  • the invention relates to a device for producing a cable stranding alternating lay direction (SZ stranding) from single wires according to the preamble of Claim 1.
  • DE-A1-35 36 488 describes a device for reversing stranding (SZ stranding) described at least one stranding element of a cable around a central element, which with a stranding disc driven with changing direction of rotation and with a fixed one Standscheibc and several storage discs arranged between them is provided.
  • SZ stranding stranding stranding
  • the stranding disk is alternately left- and driven clockwise.
  • the stranding elements are between the Guide bores of the fixed stand plate and the corresponding Guide holes of the stranding disk through the storage disks around the central element coiled so that they alternate the central element with right and left twist embrace.
  • the storage disks are driven by a Series of clearance-angle couplings, the coupling halves of which are each around a certain one Clearance angles can be freely rotated until they engage in a torque-locking manner. This will consecutive storage disks always moved by the clearance angle.
  • an SZ stranding device in which one Stranding washer, a guide washer and several storage washers directly on one torsionally elastic shaft, are arranged against rotation, the stranding disk via a Drive is driven reversing.
  • the torsionally elastic shaft becomes when the Stranding washer twists and takes the storage elements accordingly. she can be formed from closely adjacent thread-like strands, which the stability of the torsionally elastic shaft increased.
  • DE-U-80 30 858 discloses an SZ stranding device with separated over two each Intermediate shafts arranged traction sheaves, tubular stranding sections, which have different pipe diameters. The speed of the tubular body increases Production direction too, so that the stranding elements do not overpower the respective tubular body constrict. Between the tubular bodies are for the exact laying of the stranding elements stranding disks are provided to prevent arcing.
  • the stranding disks are from the associated traction sheaves driven by gears with correspondingly different transmission ratios.
  • relatively large masses are braked in a short time and have to accelerate again in the opposite direction. This is particularly noticeable in those stranding disks whose Angle of twist is large.
  • the aim of the invention is to avoid these disadvantages and a device of the aforementioned Propose a way in which only relatively small masses have to be reversed.
  • the torsionally elastic effect can be achieved or be improved.
  • a fixed guide 1 is provided with bores arranged concentrically to a central axis for receiving single wires 2 is provided.
  • the individual wires 2 are seen at substantially equal intervals in the direction of pull is indicated by arrows 3, storage disks 4 downstream of the fixed guide 1, the likewise with bores arranged concentrically to the axis of rotation of the storage disks 4 are provided for receiving the individual wires 2.
  • the storage disks are 4 and one Stranding disc 6 can be driven in changing directions.
  • a rope guide 5 is provided, through which the rope is subtracted.
  • the storage disks 4 and the stranding disk 6 are each driven via a transmission element 9, e.g. a belt through the drive pulleys 7, which are connected to a motor 8 are coupled.
  • a transmission element 9 e.g. a belt through the drive pulleys 7, which are connected to a motor 8 are coupled.
  • a torsion spring 15 is provided as a coupling element in both embodiments, which in the embodiment according to FIG. 1 in the area of a fixed guide 1 'on one Frame part is fixed.
  • the torsion spring 15 is only for part of the Traction sheaves 7 are provided, namely with the two closest to the motor 8 Traction sheaves connected.
  • the traction sheaves 7 are in both embodiments on the belt 9 with the Storage disks 4 or coupled with the stranding disk 6. All can with the Torsion spring 15 coupled traction sheaves 7 with the associated storage disks 4 or Stranding disc 6 an identical translation can be provided.
  • the two, the fixed guide 1 are next Traction sheaves 7 connected to each other via a rigid shaft 10, which in turn at 16 the torsion spring 15 is coupled.
  • Traction sheaves 7 are opposite Translation of the two traction sheaves 7 closer to the motor 8 to the associated storage disks 4 different translations for the storage disks assigned to them 4 provided.
  • a stop 17 is provided for the angle of rotation of the storage disk 4 arranged there, whose positions are created so that this disk 4 in both directions SZ can rotate by the corresponding angle of rotation.
  • the difference in the angle of rotation of the next to the fixed guide 1 from the spring or already driven by the spring storage disc 4 and the stranding disc 6 must be the same or be greater than the angle of twist that the stranding disk 6 for acceleration needed. This has the advantage that the motor is brought up to its nominal speed very quickly and the turning range from left to right or vice versa on the stranded material can be kept short.
  • Fig. 3 From Fig. 3 it can be seen that the motor 8 and its shaft 11 rotatably with the traction sheave 7 is connected, which in turn is also rotatably connected to a torsion spring 15 is.
  • the traction sheave 7 associated with the storage disc 4 closest to the motor 8 is also rotatably connected to the torsion spring 15, the torsion spring 15 in one Bracket 1 'is fixed, which is held on a frame-fixed part 13 of the device.
  • the torsion spring 15 is by a torsion bar 13 replaced, but the effect and function the same as when using a Torsion spring 9 is.
  • Fig. 5 shows an embodiment in which the torsionally elastic shaft by at least one tensioned, stretchable thread or band-shaped element 18 is formed by eccentric arranged bores 19 of the traction sheaves 7 and the engine 8 next traction sheave 7 is set, where appropriate, the eccentricity of the thread-like element penetrate holes in the traction sheaves 7 in the direction of the motor 8 increases.
  • the rope or band 18 is preferably via a spring, not shown fixed.
  • the rope can also be made of an elastically stretchable material, such as. Rubber, plastic or the like exist, and be held in pretension.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ropes Or Cables (AREA)
  • Insulated Conductors (AREA)
  • Transmission Devices (AREA)
  • Communication Cables (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Abstract

PCT No. PCT/AT95/00137 Sec. 371 Date Mar. 17, 1997 Sec. 102(e) Date Mar. 17, 1997 PCT Filed Jun. 28, 1995 PCT Pub. No. WO96/00970 PCT Pub. Date Jan. 11, 1996A device for making a wire strand with changing twist direction (SZ-stranding) from individual wires, includes a fixed guide (1) provided with bores for receiving the individual wires and a plurality of spaced apart storing disks (4) capable of being driven in changing directions and also having bores for receiving the individual wires to be stranded, and a laying disk (6) capable of being driven via drive disks (7) and transmission members (9), with a drive (8) common to at least a portion of the drive disks (7) being provided, wherein between the drive (8) and the drive disks (7) there is disposed a torsionally elastic shaft (15) having an arbitrary cross-section.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Herstellen einer Kabelverseilung mit wechselnder Schlagrichtung (SZ-Verseilung) aus Einzeldrähten gemäß dem Oberbegriff des Anspruches 1.The invention relates to a device for producing a cable stranding alternating lay direction (SZ stranding) from single wires according to the preamble of Claim 1.

In der DE-A1-35 36 488 ist eine Einrichtung zum reversierenden Verseilen (SZ-Verseilung) zumindest eines Verseilementes eines Kabels um ein Zentralelement beschrieben, die mit einer mit wechselnder Drehrichtung angetriebenen Verseilscheibe und mit einer feststehenden Standscheibc und mehreren dazwischen angeordneten Speicherscheiben versehen ist. Über einen Getriebemotor und über einen Zahnriemen wird die Verseilscheibe abwechselnd links- und rechtsdrehend angetrieben. Die Verseilelemente werden zwischen den Führungsbohrungen der feststehenden Standscheibe und den entsprechenden Führungsbohrungen der Verseilscheibe durch die Speicherscheiben um das Zentralelement gewendelt, so daß sie das Zentralelement abwechselnd mit Rechts- und mit Linksdrall umschlingen. Beim Wechsel der Drallrichtungen sind sämtliche Speicherscheiben jeweils um ihren maximalen Drehwinkel gedreht. Der Antrieb der Speicherscheiben erfolgt über eine Reihe von Freiwinkelkupplungen, deren Kupplungshälften jeweils um einen bestimmten Freiwinkel frei verdrehbar sind bis sie drehmomentschlüssig eingreifen. Dadurch werden nacheinanderfolgende Speicherscheiben immer um den Freiwinkel verzögert bewegt.DE-A1-35 36 488 describes a device for reversing stranding (SZ stranding) described at least one stranding element of a cable around a central element, which with a stranding disc driven with changing direction of rotation and with a fixed one Standscheibc and several storage discs arranged between them is provided. over a geared motor and a toothed belt, the stranding disk is alternately left- and driven clockwise. The stranding elements are between the Guide bores of the fixed stand plate and the corresponding Guide holes of the stranding disk through the storage disks around the central element coiled so that they alternate the central element with right and left twist embrace. When the swirl directions are changed, all the storage disks are each over rotated their maximum angle of rotation. The storage disks are driven by a Series of clearance-angle couplings, the coupling halves of which are each around a certain one Clearance angles can be freely rotated until they engage in a torque-locking manner. This will consecutive storage disks always moved by the clearance angle.

Aus der EP-A-0 582 802 ist eine SZ-Verseilvorrichtung bekanntgeworden, bei der eine Verseilscheibe, eine Führungsscheibe und mehrere Speicherscheiben direkt auf einer drehelastischen Welle, verdrehsicher angeordnet sind, wobei die Verseilscheibe über einen Antrieb reversierend angetrieben ist. Die drehelastische Welle wird bei Drehung der Verseilscheibe tordiert und nimmt dadurch die Speicherelemente entsprechend mit. Sie kann etwa aus eng benachbarten fadenförmigen Strängen gebildet sein, die die Stabilität der drehelastischen Welle erhöht.From EP-A-0 582 802 an SZ stranding device has become known, in which one Stranding washer, a guide washer and several storage washers directly on one torsionally elastic shaft, are arranged against rotation, the stranding disk via a Drive is driven reversing. The torsionally elastic shaft becomes when the Stranding washer twists and takes the storage elements accordingly. she can be formed from closely adjacent thread-like strands, which the stability of the torsionally elastic shaft increased.

Die DE-U-80 30 858 offenbart eine SZ-Verseileinrichtung mit getrennt über jeweils zwei auf Zwischenwellen angeordneten Treibscheiben antreibbaren, rohrförmigen Verseilabschnitten, die unterschiedlichen Rohrdurchmesser aufweisen. Die Drehzahl der Rohrkörper nimmt in Fertigungsrichtung zu, sodaß die Verseilelemente den jeweiligen Rohrkörper nicht zu sehr einschnüren. Zwischen den Rohrkörpern sind zur exakten Verlegung der Verseilelemente jeweils Verseilscheiben vorgesehen, die Überschlagungen verhindern.DE-U-80 30 858 discloses an SZ stranding device with separated over two each Intermediate shafts arranged traction sheaves, tubular stranding sections, which have different pipe diameters. The speed of the tubular body increases Production direction too, so that the stranding elements do not overpower the respective tubular body constrict. Between the tubular bodies are for the exact laying of the stranding elements stranding disks are provided to prevent arcing.

Bei bekannten derartigen Vorrichtungen sind die Verseilscheiben von den zugehörigen Treibscheiben über Getriebe mit entsprechend unterschiedlichen Übersetzungsverhältnissen angetrieben. Dabei ergibt sich jedoch der Nachteil, daß relativ große Massen in kurzer Zeit abgebremst und in der entgegengesetzten Richtung wieder beschleunigt werden müssen. Dies macht sich insbesondere bei jenen Verseilscheiben nachteilig bemerkbar, deren Verdrehwinkel groß ist.In known devices of this type, the stranding disks are from the associated traction sheaves driven by gears with correspondingly different transmission ratios. However, there is the disadvantage that relatively large masses are braked in a short time and have to accelerate again in the opposite direction. This is particularly noticeable in those stranding disks whose Angle of twist is large.

Ziel der Erfindung ist es diese Nachteile zu vermeiden und eine Vorrichtung der eingangs erwähnten Art vorzuschlagen, bei der nur relativ kleine Massen umgesteuert werden müssen.The aim of the invention is to avoid these disadvantages and a device of the aforementioned Propose a way in which only relatively small masses have to be reversed.

Erfindungsgemäß wird dies durch die kennzeichnenden Merkmale des Anspruches 1 erreicht.According to the invention this is achieved by the characterizing features of claim 1.

Durch diese Maßnahmen wird erreicht, daß zumindest für den Teil der über die drehelastische Welle miteinander verbundenen Treibscheiben auf ein gesondertes Übersetzungsgetriebe verzichtet werden kann, weil die drehelastische Welle als solches wirkt. Die für ein ordnungsgemäßes Verseilen erforderlichen, gegen die feststehende Führung kleiner werdenden Verdrehwinkel ergeben sich durch die gegen das festgelegte Ende der drehelastischen Welle geringer werdende Verdrehung derselben.These measures ensure that at least for the part of the torsionally elastic Shaft interconnected traction sheaves without a separate transmission gear can be because the torsionally elastic shaft acts as such. The for a proper one Stranding required, becoming smaller against the fixed guide Angle of rotation result from the against the fixed end of the torsionally flexible shaft less twisting of the same.

Bei Verseilmaschinen, bei welchen hohe Verseilkräfte für das zu verseilende Gut erforderlich sind, kennzeichnet sich eine bevorzugte Ausführungsform der Erfindung durch die Merkmale des Anspruchs 2.For stranding machines where high stranding forces are required for the goods to be stranded a preferred embodiment of the invention is characterized by the features of claim 2.

Durch die Merkmale des Anspruchs 3 kann die drehelastische Wirkung überhaupt erzielt oder verbessert werden.Due to the features of claim 3, the torsionally elastic effect can be achieved or be improved.

Durch die Merkmale des Anspruchs 4 ergibt sich eine in konstruktiver Hinsicht sehr einfache Lösung.The features of claim 4 result in a very simple design Solution.

Wird die Erfindung gemäß den Merkmalen des Anspruches 5 weitergebildet, so erreicht man eine über die Länge der Torsionsfeder bzw. des Torsionsstabes unterschiedliche Härte der Feder bzw. des Stabes, wodurch bei hohen Beschleunigungen der drehelastischen Welle deren Masseträgheit kompensiert werden kann.If the invention is developed in accordance with the features of claim 5, this is achieved a different hardness over the length of the torsion spring or the torsion bar Spring or the rod, which causes the torsionally elastic shaft to accelerate whose inertia can be compensated.

Bei einer Ausbildung einer erfindungsgemäßen Vorrichtung gemäß dem Anspruch 6 bewirkt die Auslenkung und die dadurch verursachte Dehnung des faden- bzw.- bandförmigen Elementes eine entsprechende Rückstellkraft, sodaß sich eine der Wirkung einer Torsionsfeder ähnliche Wirkung ergibt, ohne daß das faden- bzw. bandförmige Element selbst in nennenswertem Ausmaß auf Torsion beansprucht wird. Durch die Anordnung der das faden- bzw. bandförmige Element aufnehmenden Bohrungen in von der festen Führung zum Motor hin größer werdenden Abständen von der Drehachse der Treibscheiben ergeben sich vom motornahen Bereich zum der festen Führung nahen Bereich abnehmende Verdrehwinkel der Verseilscheiben. In an embodiment of a device according to the invention the deflection and the resulting elongation of the thread or band-shaped element a corresponding restoring force, so that there is the effect of a torsion spring gives a similar effect without the thread or band-shaped element itself in any significant Extent on torsion is claimed. The arrangement of the thread or band-shaped element receiving bores in from the fixed guide to the motor Increasing distances from the axis of rotation of the traction sheaves result from the proximity of the motor Area to the area close to the fixed guide decreasing angle of rotation Stranding washers.

Durch die Merkmale des Anspruches 7 ergibt sich der Vorteil, daß eine Überlastung des Seiles sicher vermieden werden kann.The features of claim 7 have the advantage that the rope is overloaded can be safely avoided.

Die Erfindung wird nun anhand der Zeichnung näher erläutert. Dabei zeigen:

  • Fig. 1 und 2 schematisch zwei verschiedene Ausführungsformen erfindungsgemäßer Vorrichtungen,
  • Fig. 3 schematisch einen Schnitt durch eine erfindungsgemäße Vorrichtung und
  • Fig. 4 und 5 jeweils weitere Ausführungsformen der Erfindung.
    • The invention will now be explained in more detail with reference to the drawing. Show:
  • 1 and 2 schematically show two different embodiments of devices according to the invention,
  • Fig. 3 shows schematically a section through an inventive device and
  • 4 and 5 each further embodiments of the invention.

    • Bei den Ausführungsformen nach den Fig. 1 und 2 ist eine feste Führung 1 vorgesehen, die mit konzentrisch zu einer Mittelachse angeordneten Bohrungen zur Aufnahme von Einzeldrähten 2 versehen ist.In the embodiments according to FIGS. 1 and 2, a fixed guide 1 is provided with bores arranged concentrically to a central axis for receiving single wires 2 is provided.

    In im wesentlichen gleichen Abständen sind in Zugrichtung der Einzeldrähtc 2 gesehen, welche durch Pfeile 3 angedeutet ist, Speicherscheiben 4 der festen Führung 1 nachgeordnet, die ebenfalls mit konzentrisch zu der Drehachse der Speicherscheiben 4 angeordneten Bohrungen zur Aufnahme der Einzeldrähte 2 versehen sind. Dabei sind die Speicherscheiben 4 und eine Verseilscheibe 6 in wechselnden Richtungen antreibbar.The individual wires 2 are seen at substantially equal intervals in the direction of pull is indicated by arrows 3, storage disks 4 downstream of the fixed guide 1, the likewise with bores arranged concentrically to the axis of rotation of the storage disks 4 are provided for receiving the individual wires 2. The storage disks are 4 and one Stranding disc 6 can be driven in changing directions.

    Nach der Verseilscheibe 6 ist eine Seilführung 5 vorgesehen, durch die hindurch das Seil abgezogen wird.After the stranding disk 6, a rope guide 5 is provided, through which the rope is subtracted.

    Der Antrieb der Speicherscheiben 4 und der Verseilscheibe 6 erfolgt jeweils über ein Übertragungsglied 9, z.B. einen Riemen durch die Treibscheiben 7, die mit einem Motor 8 gekoppelt sind.The storage disks 4 and the stranding disk 6 are each driven via a transmission element 9, e.g. a belt through the drive pulleys 7, which are connected to a motor 8 are coupled.

    Dabei ist als Koppelelement bei beiden Ausführungsformen eine Torsionsfeder 15 vorgesehen, die bei der Ausführungsform nach der Fig. 1 im Bereich einer festen Führung 1' an einem Gestellteil fixiert ist.In this case, a torsion spring 15 is provided as a coupling element in both embodiments, which in the embodiment according to FIG. 1 in the area of a fixed guide 1 'on one Frame part is fixed.

    Bei der Ausführungsform nach der Fig. 2 ist die Torsionsfeder 15 lediglich für einen Teil der Treibscheiben 7 vorgesehen, nämlich mit den beiden dem Motor 8 am nächsten liegenden Treibscheiben verbunden.In the embodiment according to FIG. 2, the torsion spring 15 is only for part of the Traction sheaves 7 are provided, namely with the two closest to the motor 8 Traction sheaves connected.

    Die Treibscheiben 7 sind in beiden Ausführungsformen über den Riemen 9 mit den Speicherscheiben 4 bzw. mit der Verseilscheibe 6 gekuppelt. Dabei kann bei allen mit der Torsionsfeder 15 gekoppelten Treibscheiben 7 mit den zugehörigen Speicherscheiben 4 bzw. Verseilscheibe 6 eine gleiche Übersetzung vorgesehen sein. The traction sheaves 7 are in both embodiments on the belt 9 with the Storage disks 4 or coupled with the stranding disk 6. All can with the Torsion spring 15 coupled traction sheaves 7 with the associated storage disks 4 or Stranding disc 6 an identical translation can be provided.

    Bei der Ausführungsform nach der Fig. 2 sind die beiden, der festen Führung 1 nächsten Treibscheiben 7 über eine starre Welle 10 miteinander verbunden, die ihrerseits bei 16 mit der Torsionsfeder 15 gekoppelt ist. Für diese Treibscheiben sind aber gegenüber der Übersetzung der dem Motor 8 näheren beiden Treibscheiben 7 zu den zugeordneten Speicherscheiben 4 unterschiedliche Übersetzungen zu den ihnen zugeordneten Speicherscheiben 4 vorgesehen.In the embodiment according to FIG. 2, the two, the fixed guide 1 are next Traction sheaves 7 connected to each other via a rigid shaft 10, which in turn at 16 the torsion spring 15 is coupled. For these traction sheaves, however, are opposite Translation of the two traction sheaves 7 closer to the motor 8 to the associated storage disks 4 different translations for the storage disks assigned to them 4 provided.

    An dem von der Kupplung 16 abgewandten, drehbar gelagerten Ende der starren Welle 10 ist ein Anschlag 17 für den Verdrehwinkel der dort angeordneten Speicherscheibe 4 vorgesehen, dessen Positionen so angelegt sind, daß sich diese Speicherscheibe 4 in beiden SZ-Richtungen um den ihr entsprechenden Drehwinkel verdrehen kann.At the rotatable end of the rigid shaft 10 facing away from the coupling 16 a stop 17 is provided for the angle of rotation of the storage disk 4 arranged there, whose positions are created so that this disk 4 in both directions SZ can rotate by the corresponding angle of rotation.

    Die Differenz der Verdrehwinkel der der festen Führung 1 nächsten von der Feder noch bzw. bereits von der Feder angetriebenen Speicherscheibe 4 und der Verseilscheibe 6 muß gleich oder größer sein, als der Verdrehwinkel, den die Verseilscheibe 6 zur Beschleunigung benötigt. Das hat den Vorteil, daß der Motor sehr schnell auf seine Nenndrehzahl gebracht werden kann, und der Wendebereich von links auf rechts bzw. umgekehrt am verseilten Gut kurz gehalten werden kann.The difference in the angle of rotation of the next to the fixed guide 1 from the spring or already driven by the spring storage disc 4 and the stranding disc 6 must be the same or be greater than the angle of twist that the stranding disk 6 for acceleration needed. This has the advantage that the motor is brought up to its nominal speed very quickly and the turning range from left to right or vice versa on the stranded material can be kept short.

    Aus der Fig. 3 ist zu ersehen, daß der Motor 8 bzw. dessen Welle 11 drehfest mit der Treibscheibe 7 verbunden ist, die ihrerseits ebenfalls drehfest mit einer Torsionsfeder 15 verbunden ist. Die der dem Motor 8 nächstgelegene Speicherscheibe 4 zugeordnete Treibscheibe 7 ist ebenfalls mit der Torsionsfeder 15 drehfest verbunden, wobei die Torsionsfeder 15 in einer Halterung 1' fixiert ist, die an einem gestellfesten Teil 13 der Vorrichtung gehalten ist.From Fig. 3 it can be seen that the motor 8 and its shaft 11 rotatably with the traction sheave 7 is connected, which in turn is also rotatably connected to a torsion spring 15 is. The traction sheave 7 associated with the storage disc 4 closest to the motor 8 is also rotatably connected to the torsion spring 15, the torsion spring 15 in one Bracket 1 'is fixed, which is held on a frame-fixed part 13 of the device.

    Bei der Ausführungsform nach der Fig. 4 ist die Torsionsfeder 15 durch einen Torsionsstab 13 ersetzt, wobei aber die Wirkung und Funktion die gleiche wie bei der Verwendung einer Torsionsfeder 9 ist.In the embodiment according to FIG. 4, the torsion spring 15 is by a torsion bar 13 replaced, but the effect and function the same as when using a Torsion spring 9 is.

    Fig. 5 zeigt eine Ausführungsform, bei welcher die drehelastische Welle durch zumindest ein gespanntes, dehnbares faden- bzw. bandförmiges Element 18 gebildet ist, das durch exzentrisch angeordnete Bohrungen 19 der Treibscheiben 7 hindurchgeführt und an der dem Motor 8 nächsten Treibscheibe 7 festgelegt ist, wobei gegebenenfalls die Exzentrizität der vom fadenförmigen Element durchsetzten Bohrungen der Treibscheiben 7 in Richtung zum Motor 8 hin zunimmt. Vorzugsweise ist das Seil oder Band 18 über eine nicht dargestellte Feder festgelegt. Alternativ oder zusätzlich kann das Seil auch aus einem elastisch dehnbaren Material, wie z.B. Gummi, Kunststoff o.dgl. bestehen, und in Vorspannung gehalten sein.Fig. 5 shows an embodiment in which the torsionally elastic shaft by at least one tensioned, stretchable thread or band-shaped element 18 is formed by eccentric arranged bores 19 of the traction sheaves 7 and the engine 8 next traction sheave 7 is set, where appropriate, the eccentricity of the thread-like element penetrate holes in the traction sheaves 7 in the direction of the motor 8 increases. The rope or band 18 is preferably via a spring, not shown fixed. Alternatively or additionally, the rope can also be made of an elastically stretchable material, such as. Rubber, plastic or the like exist, and be held in pretension.

    Claims (7)

    1. Apparatus for stranding a cable with alternate directions of lay (SZ stranding) from individual wires, in the case of which there are provided a fixed guide (1), which is provided with bores for receiving the individual wires, and a plurality of storage discs (4), which are spaced apart from one another in the drawing direction of the individual wires, can be driven in alternate directions and are likewise provided with bores for receiving the individual wires which are to be stranded, and a stranding disc (6), it being possible for said discs to be driven via driving discs (7) and transmission elements (9), it being the case that a drive (8) which is common to at least some of the driving discs (7) is provided, characterized in that there is provided a rotationally elastic shaft (13, 15, 18) of any desired cross section which, at one end, is connected in a rotationally fixed manner to the drive (8) and, at its other end, is secured in a fixed manner, and in that the rotationally elastic shaft (13, 15, 18) is connected in a rotationally fixed manner to at least some of the driving discs (7).
    2. Apparatus according to Claim 1, characterized in that at least two adjacent driving discs (7) are connected to one another via a rigid shaft (10), and in that these at least two adjacent driving discs (7), with the storage discs (4) assigned to them, have different transmission ratios.
    3. Apparatus according to Claim 1 or 2, characterized in that the rotationally elastic shaft (15) is retained under tensile stressing.
    4. Apparatus according to Claim 1, 2 or 3, characterized in that the rotationally elastic shaft is designed as a torsion spring (15) or a torsion bar (13), which is connected in a rotationally fixed manner to the driving discs (7).
    5. Apparatus according to Claim 4, characterized in that the spring constant of the torsion spring (15) or of the torsion bar (13) increases in the direction of the drive (8).
    6. Apparatus according to Claim 1, 2 or 3, characterized in that the rotationally elastic shaft is formed by at least one taut expansible filament-like or band-like element (18) which is routed through eccentrically arranged bores (19) of the driving discs (7) and is secured on the driving disc (7) nearest the motor (8), it being the case that, if appropriate, the eccentricity of the bores of the driving discs (7) through which the filament-like or band-like element (18) passes increases in the direction of the motor (8).
    7. Apparatus according to Claim 6, characterized in that the rotationally elastic shaft is formed by a band or cable secured via a spring.
    EP95923111A 1994-06-28 1995-06-28 Cable stranding device with alternate directions of lay Expired - Lifetime EP0767965B1 (en)

    Applications Claiming Priority (4)

    Application Number Priority Date Filing Date Title
    AT1272/94 1994-06-28
    AT0127294A AT401533B (en) 1994-06-28 1994-06-28 DEVICE FOR MANUFACTURING A CABLE WIRING WITH ALTERNATING PUNCHING DIRECTION
    AT127294 1994-06-28
    PCT/AT1995/000137 WO1996000970A1 (en) 1994-06-28 1995-06-28 Cable stranding device with alternate directions of lay

    Publications (2)

    Publication Number Publication Date
    EP0767965A1 EP0767965A1 (en) 1997-04-16
    EP0767965B1 true EP0767965B1 (en) 1999-09-29

    Family

    ID=3510296

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP95923111A Expired - Lifetime EP0767965B1 (en) 1994-06-28 1995-06-28 Cable stranding device with alternate directions of lay

    Country Status (8)

    Country Link
    US (1) US5799477A (en)
    EP (1) EP0767965B1 (en)
    AT (2) AT401533B (en)
    AU (1) AU2779295A (en)
    CA (1) CA2200861C (en)
    DE (1) DE59506959D1 (en)
    ES (1) ES2139219T3 (en)
    WO (1) WO1996000970A1 (en)

    Families Citing this family (10)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    CA2226453C (en) * 1998-02-12 2006-08-22 Gerhard Seibert Device for producing cable stranding
    AT407266B (en) * 1999-03-24 2001-02-26 Schwechater Kabelwerke Device for feeding rope elements to the stranding head of a reverse-lay stranding machine
    US6634164B2 (en) 2000-11-03 2003-10-21 Kms Kabelmaschinen Und Systeme Gmbh Apparatus for producing a stranded cable with alternating twist direction made of strand elements
    AU2002210232A1 (en) * 2000-11-03 2002-05-15 Kms Kabelmaschinen Und Systeme Gmbh Device for producing a cable stranding from stranding elements with an alternating direction of lay
    DE10125693B4 (en) * 2001-05-25 2006-03-02 Illauer, Ulrich, Dipl.-Ing.(TH) Method for the operation of a stranding device for better stranding of stranding elements to a stranded product with sections changing swirl direction
    NO328774B1 (en) * 2008-10-06 2010-05-10 Aker Subsea As SZ-laying machine
    US8161721B2 (en) * 2009-09-30 2012-04-24 Corning Cable Systems Llc Cable stranding apparatus employing a hollow-shaft guide member driver
    US8904743B2 (en) 2009-09-30 2014-12-09 Corning Cable Systems Llc Cable stranding apparatus employing a hollow-shaft guide member driver
    US8161722B2 (en) * 2009-09-30 2012-04-24 Corning Cable Systems Llc Cable stranding methods employing a hollow-shaft guide member driver
    EP2918533B1 (en) * 2014-03-10 2018-01-03 SUPERBA (Société par Actions Simplifiée) Device for generating a false twist in a strand

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    GB990691A (en) * 1961-10-12 1965-04-28 Anaconda Wire & Cable Co Improvements in electric cable, method and apparatus for stranding same
    GB1180452A (en) * 1967-11-01 1970-02-04 British Insulated Callenders Improvements in or relating to the Manufacture of Electric Cables
    AU3212571A (en) * 1970-08-13 1973-02-15 Dunlop Australia Limited Improvements in reinforced articles
    CA1113806A (en) * 1979-12-19 1981-12-08 Bretislav P. Zuber Apparatus for stranding wire
    DE8030858U1 (en) * 1980-11-14 1982-04-01 Siemens AG, 1000 Berlin und 8000 München Device for SZ stranding with a tubular guide and storage body
    DE3211260A1 (en) * 1982-03-25 1983-09-29 Siemens AG, 1000 Berlin und 8000 München DRIVING DEVICE FOR SEWING HEADS OF SZ-SEWING MACHINE
    US4429519A (en) * 1982-08-30 1984-02-07 Northern Telecom Limited Forming cable core units
    DE3536488A1 (en) * 1985-10-12 1987-04-16 Philips Patentverwaltung DEVICE FOR REVERSING LEADING (SZ LEADING) AT LEAST ONE LEADING ELEMENT OF A CABLE AROUND A CENTRAL ELEMENT
    JP2763387B2 (en) * 1990-07-20 1998-06-11 キヤノン株式会社 Sheet transport device and printer having the sheet transport device
    US5237809A (en) * 1991-06-17 1993-08-24 Siemens Aktiengesellschaft Method and apparatus for stranding conductors with changing lay directions
    EP0582802B1 (en) * 1992-08-11 1999-03-10 Frisch GmbH Device for producing cables with alternating twist direction
    EP0626523B1 (en) * 1993-03-26 1996-12-11 CENTA-ANTRIEBE KIRSCHEY GmbH Two-stage flexible coupling

    Also Published As

    Publication number Publication date
    US5799477A (en) 1998-09-01
    AT401533B (en) 1996-09-25
    DE59506959D1 (en) 1999-11-04
    ATE185215T1 (en) 1999-10-15
    EP0767965A1 (en) 1997-04-16
    CA2200861A1 (en) 1996-01-11
    ATA127294A (en) 1996-02-15
    WO1996000970A1 (en) 1996-01-11
    AU2779295A (en) 1996-01-25
    ES2139219T3 (en) 2000-02-01
    CA2200861C (en) 2003-08-12

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