EP2708642A2 - Wire rope and an insert for its splice area - Google Patents

Wire rope and an insert for its splice area Download PDF

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Publication number
EP2708642A2
EP2708642A2 EP13183006.9A EP13183006A EP2708642A2 EP 2708642 A2 EP2708642 A2 EP 2708642A2 EP 13183006 A EP13183006 A EP 13183006A EP 2708642 A2 EP2708642 A2 EP 2708642A2
Authority
EP
European Patent Office
Prior art keywords
strands
wire rope
plastic core
intermediate piece
inserts
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.)
Granted
Application number
EP13183006.9A
Other languages
German (de)
French (fr)
Other versions
EP2708642B1 (en
EP2708642A3 (en
Inventor
Christof Nater
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.)
Fatzer AG Drahtseilfabrik
Original Assignee
Fatzer AG Drahtseilfabrik
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Application filed by Fatzer AG Drahtseilfabrik filed Critical Fatzer AG Drahtseilfabrik
Priority to EP17175841.0A priority Critical patent/EP3255206B1/en
Publication of EP2708642A2 publication Critical patent/EP2708642A2/en
Publication of EP2708642A3 publication Critical patent/EP2708642A3/en
Application granted granted Critical
Publication of EP2708642B1 publication Critical patent/EP2708642B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/165—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
    • D07B1/167—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay having a predetermined shape
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/16—Auxiliary apparatus
    • D07B7/169—Auxiliary apparatus for interconnecting two cable or rope ends, e.g. by splicing or sewing
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2048—Cores characterised by their cross-sectional shape
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2053—Cores characterised by their structure being homogeneous
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2065—Cores characterised by their structure comprising a coating
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2003—Thermoplastics
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2076—Power transmissions

Definitions

  • the invention relates to a wire rope according to the preamble of claim 1, as well as to an intermediate piece for a splice connection of a wire rope.
  • each adjacent pair of strands filling elements which consists of a polymeric or elastomeric material and having an oriented molecular structure.
  • Each of these filling elements is associated with a widened foot section, which fills the space formed between two strands and the core and can rest on the central core.
  • the object of the present invention is in contrast to improve a wire rope of the type mentioned in such a way that with him without additional effort in the production of a longer life is achieved and the resulting noise during operation, such as vibrations can be reduced.
  • this object is achieved by a wire rope according to the features of claim 1 or by an intermediate piece according to the features of claim 13.
  • this wire rope is optimally designed in terms of increased life, because with these measures, the stranded strands over a certain peripheral area directly rest on the plastic core or to arrange the deposits each inside with a distance from the plastic core, surprisingly positive test results are achieved Service.
  • Fig. 1 shows a wire rope 10 having a plurality of stranded wires 16 produced stranded 15, which are stranded around a plastic core 11 around and between these elongated inserts 12 are arranged. These over the entire cable length extending inserts 12 are formed in their cross-section such that they extend approximately to the outer circumference of the wire rope 10. They are on the outer circumference with a radius R corresponding to approximately half the diameter of the rope in order to form approximately a uniform outer diameter together with the strands 15. In the area in contact with the strands 15, they each have on both sides a radius corresponding to the strands 15.
  • Such wire ropes 10 are used in particular as pulling or conveying cables with high load requirements, for example in cable cars, which are guided hanging on a stationary support cable and connected to a pull rope.
  • Pulling or hauling cables are usually performed at the upper and lower station to roles and performed as endless ropes by a so-called splicing of the ends or held together by an end fastening, which is not shown in detail.
  • the stranded strands 15 lie over a certain peripheral region 11 'directly on the plastic core 11, whereas the inserts 12 are each arranged on the inside with a distance a from the plastic core 11.
  • This peripheral region 11 'at a respective strand 15, in which it rests directly on the plastic core 11, corresponds to the use of a total of six strands an angular range ⁇ of preferably between 40 ° and 60 °.
  • the distances a between the inserts 12 and the plastic core 11 are each dimensioned so that they at least approximately each correspond to an extent, which by a certain Initial operating time of the wire rope in the radial direction outward flow of the plastic core 11 is formed. This expansion moves depending on the diameter of the soul and strain of the wire in the millimeter range.
  • the inserts 12 each have with their protruding between two strands 15 inside end portion 12 'each have a thickness d', which is greater than the thickness d in the narrowest region of the respective insert 12, said inside end portions 12 'outside of an imaginary circle 14 at the insides of the strands 15 end, as shown in phantom.
  • This inside end portion 12 'of the inserts 12 is each rounded, but could also be elliptical, shaped as a half polygon or even flat.
  • the plastic core 11 is provided with outer surfaces 11 "opposite these end parts 12 '.” These outer surfaces 11 “could, in principle, have grooves with an approximately inwardly extending radius equal to the end parts 12' of the inserts 12 and helically around the plastic core 11 be provided, this with the same pitch as the strands 15 are stranded, so that an overlap between the grooves and the end portions 12 'is ensured over the entire cable length.
  • the plastic core 11 is rod-shaped and heated during manufacture such that the strands 15 with their corrugated surface structure by deformation of the peripheral portion 11 'of the plastic core 11 results in a form-fitting abutment.
  • the plastic core 11, made of a rod made of a flexible plastic, depending on the application, may be composed of at least one layer of a readily deformable plastic surrounding this rod.
  • the rod can also consist of several layers of plastic.
  • this preformed intermediate piece 20 extending grooves 22, 23, 24 and a recess 21 are provided in its longitudinal direction, wherein in the grooves, the strands 15 are inserted or guided.
  • This recess 21 and the grooves 22, 23, 24 are provided in cross-section each with a constant over the entire length radius, which at the recess 21 half the diameter of the core 11 and at the grooves 22, 23, 24 each half the diameter the strands 15 corresponds.
  • a thin wall 20 ' is associated with this elongated intermediate piece 20 at its two ends, which in the case of the strands 15', 15 "extending from the outside to the center, as in FIG Fig. 3 it is obvious to come to rest.
  • this intermediate piece 20 is formed towards the center according to thicker than at the ends, this with a continuous change in thickness from the outside inwards.
  • the walls 20 ' are designed depending on the rope diameter
  • these strands 15 ', 15 " which are in each case screwed into the center, are wrapped with a splicing strip 17 over the area located in the interior so that these strands 15', 15" have a higher coefficient of friction and, on the other hand, their diameters each approximately correspond to that of the plastic core 11.
  • This splicing tape 17 is reinforced rubber or the like.
  • this number of intermediate pieces 20 to be used may vary. For one with seven or eight strands provided rope would then be provided according to eight such spacers with a different shape.
  • the intermediate piece could be reinforced with one or more wires in its interior.
  • it could have a separate layer on the outside, which would consist of a material by which the strands would be optimally embedded in this layer and lubricated.

Abstract

The rope (10) has strands (15) formed from stranded wires (16). The strands are stranded around a plastic core (11). Elongate inserts (12) are arranged between the strands. The inserts are extended approximately upto an outer circumference of the rope. The inserts include a radius, which is adapted to the strands, in a region staying in contact with the strands. The stranded strands directly lie on the plastic core over a preset circumference region (11'). The inserts are arranged with a distance (a) to the plastic core on an inner side. An independent claim is also included for an intermediate piece.

Description

Die Erfindung bezieht sich auf ein Drahtseil nach dem Oberbegriff des Anspruches 1, sowie auf ein Zwischenstück für eine Spleissverbindung eines Drahtseils.The invention relates to a wire rope according to the preamble of claim 1, as well as to an intermediate piece for a splice connection of a wire rope.

Bei einem gattungsmässigen Drahtseil für Förderanlagen gemäss der Druckschrift EP-A-1 040 221 sind zwischen einem jeden benachbarten Paar von Litzen Füllelemente vorgesehen, welche aus einem polymeren oder elastomeren Werkstoff bestehen und eine orientierte molekulare Struktur aufweisen. Diesen Füllelementen ist jeweils ein verbreiterter Fussabschnitt zugeordnet, der den zwischen zwei Litzen und dem Kern gebildeten Raum ausfüllt und auf dem zentralen Kern aufliegen kann.In a generic wire rope for conveyors according to the document EP-A-1 040 221 are provided between each adjacent pair of strands filling elements, which consists of a polymeric or elastomeric material and having an oriented molecular structure. Each of these filling elements is associated with a widened foot section, which fills the space formed between two strands and the core and can rest on the central core.

Bei einem Stahldraht-Litzenseil gemäss der Druckschrift EP-A-0 685 592 ist jeweils zwischen zwei benachbarten Drahtlitzen eine sich je über die Seillänge erstreckende bandförmige Einlage vorhanden, welche sich aus einem Kopfteil, einem Fussteil und einem dazwischen liegenden Mittelteil zusammensetzt. Die Fussteile sind dabei keilförmig mit einem gegen die Litzen öffnenden Winkel ausgebildet.In a steel wire strand rope according to the publication EP-A-0 685 592 is in each case between two adjacent wire strands depending on the rope length extending band-shaped insert is present, which is composed of a head part, a foot part and an intermediate middle part therebetween. The foot parts are wedge-shaped with an angle opening against the strands.

Die Aufgabe der vorliegenden Erfindung besteht demgegenüber darin, ein Drahtseil nach der eingangs erwähnten Gattung derart zu verbessern, dass mit ihm ohne Mehraufwand in dessen Herstellung eine höhere Lebensdauer erzielt wird und die im Betrieb entstehende Lärmerzeugung, wie Vibrationen, reduziert werden können.The object of the present invention is in contrast to improve a wire rope of the type mentioned in such a way that with him without additional effort in the production of a longer life is achieved and the resulting noise during operation, such as vibrations can be reduced.

Erfindungsgemäss ist diese Aufgabe durch ein Drahtseil nach den Merkmalen des Anspruchs 1 bzw. durch ein Zwischenstück nach den Merkmalen des Anspruches 13 gelöst.According to the invention, this object is achieved by a wire rope according to the features of claim 1 or by an intermediate piece according to the features of claim 13.

Damit ist dieses Drahtseil in Bezug auf eine erhöhte Lebensdauer optimal ausgelegt, denn mit diesen Massnahmen, die verseilten Litzen über einen bestimmten Umfangsbereich unmittelbar auf der Kunststoffseele aufliegen zu lassen bzw. die Einlagen jeweils innenseitig mit einem Abstand zur Kunststoffseele anzuordnen, sind überraschend positive Testresultate erzielt worden.Thus, this wire rope is optimally designed in terms of increased life, because with these measures, the stranded strands over a certain peripheral area directly rest on the plastic core or to arrange the deposits each inside with a distance from the plastic core, surprisingly positive test results are achieved Service.

Weitere vorteilhafte Einzelheiten dieses Drahtseils im Rahmen der Erfindung sind in den abhängigen Ansprüchen definiert.Further advantageous details of this wire rope in the context of the invention are defined in the dependent claims.

Mit diesem erfindungsgemässen Zwischenstück für die Verwendung bei einem Verspleissen eines Drahtseils ergibt sich ein gleichmässig zu- und abnehmender Seildurchmesser von maximal 8% des Nenndurchmessers, was sich positiv auf die Laufruhe des Seils auswirkt, und zudem lassen sich diese Zwischenstücke beim Verspleissen einfach einsetzen.With this inventive adapter for use in splicing a wire rope results in a uniformly increasing and decreasing rope diameter of up to 8% of the nominal diameter, which has a positive effect on the smoothness of the rope, and also these spacers can be easily used during splicing.

Ausführungsbeispiele sowie weitere Vorteile der Erfindung sind nachfolgend anhand einer Zeichnung näher erläutert. Es zeigt:

Fig. 1
ein erfindungsgemässes Drahtseil im Querschnitt;
Fig. 2
eine teilweise perspektivische Darstellung des Drahtseils in dem die beiden Enden zusammengefügten Verspleissbereich;
Fig. 3
einen Längsschnitt des Drahtseils im Bereich gemäss Fig. 2;
Fig. 4
einen Querschnitt des Drahtseils gemäss der Linie IV - IV nach Fig. 3; und
Fig. 5
eine perspektivische Ansicht eines bei der Verspleissstelle gemäss Fig. 3 eingefügten Zwischenstücks.
Embodiments and other advantages of the invention are explained below with reference to a drawing. It shows:
Fig. 1
a wire rope according to the invention in cross section;
Fig. 2
a partial perspective view of the wire rope in which the two ends joined splice region;
Fig. 3
a longitudinal section of the wire rope in the area according to Fig. 2 ;
Fig. 4
a cross section of the wire according to the line IV - IV after Fig. 3 ; and
Fig. 5
a perspective view of the splice according to Fig. 3 inserted intermediate piece.

Fig. 1 zeigt ein Drahtseil 10 mit mehreren aus verseilten Drähten 16 hergestellten Litzen 15, die um eine Kunststoffseele 11 herum verseilt sind und zwischen diesen längliche Einlagen 12 angeordnet sind. Diese sich über die gesamte Seillänge erstreckenden Einlagen 12 sind in ihrem Querschnitt derart geformt, dass sie sich annähernd bis zum Aussenumfang des Drahtseils 10 erstrecken. Dabei sind sie am Aussenumfang mit einem annähernd dem halben Seildurchmesser entsprechenden Radius R versehen, um zusammen mit den Litzen 15 annähernd einen gleichmässigen Aussendurchmesser zu bilden. In dem mit den Litzen 15 in Berührung stehenden Bereich weisen sie beidseitig jeweils einen den Litzen 15 entsprechenden Radius auf. Fig. 1 shows a wire rope 10 having a plurality of stranded wires 16 produced stranded 15, which are stranded around a plastic core 11 around and between these elongated inserts 12 are arranged. These over the entire cable length extending inserts 12 are formed in their cross-section such that they extend approximately to the outer circumference of the wire rope 10. They are on the outer circumference with a radius R corresponding to approximately half the diameter of the rope in order to form approximately a uniform outer diameter together with the strands 15. In the area in contact with the strands 15, they each have on both sides a radius corresponding to the strands 15.

Solche Drahtseile 10 werden insbesondere als Zug- bzw. Förderseile mit hohen Belastungsanforderungen verwendet, beispielsweise bei Seilbahnen, welche an einem stationären Tragseil hängend geführt und mit einem Zugseil verbunden sind. Zug- bzw. Förderseile werden üblicherweise bei der oberen und unteren Station um Rollen geführt und als Endlos-Seile durch eine sogenannte Verspleissung von deren Enden ausgeführt oder durch eine Endbefestigung zusammengehalten, was nicht näher gezeigt ist.Such wire ropes 10 are used in particular as pulling or conveying cables with high load requirements, for example in cable cars, which are guided hanging on a stationary support cable and connected to a pull rope. Pulling or hauling cables are usually performed at the upper and lower station to roles and performed as endless ropes by a so-called splicing of the ends or held together by an end fastening, which is not shown in detail.

Erfindungsgemäss liegen die verseilten Litzen 15 über einen bestimmten Umfangsbereich 11' unmittelbar auf der Kunststoffseele 11 auf, indes die Einlagen 12 jeweils innenseitig mit einem Abstand a zur Kunststoffseele 11 angeordnet sind.According to the invention, the stranded strands 15 lie over a certain peripheral region 11 'directly on the plastic core 11, whereas the inserts 12 are each arranged on the inside with a distance a from the plastic core 11.

Dieser Umfangsbereich 11' bei einer jeweiligen Litze 15, bei welchem sie unmittelbar auf der Kunststoffseele 11 aufliegt, entspricht bei Verwendung von insgesamt sechs Litzen einem Winkelbereich α von vorzugsweise zwischen 40° und 60°.This peripheral region 11 'at a respective strand 15, in which it rests directly on the plastic core 11, corresponds to the use of a total of six strands an angular range α of preferably between 40 ° and 60 °.

Die Abstände a zwischen den Einlagen 12 und der Kunststoffseele 11 sind jeweils so dimensioniert, dass diese mindestens annähernd jeweils einer Ausdehnung entsprechen, welche durch das nach einer gewissen Anfangsbetriebszeit des Drahtseiles in radialer Richtung nach aussen gerichtete Fliessen der Kunststoffseele 11 entsteht. Diese Ausdehnung bewegt sich je nach Durchmesser der Seele und Belastung des Drahtseils im Millimeterbereich.The distances a between the inserts 12 and the plastic core 11 are each dimensioned so that they at least approximately each correspond to an extent, which by a certain Initial operating time of the wire rope in the radial direction outward flow of the plastic core 11 is formed. This expansion moves depending on the diameter of the soul and strain of the wire in the millimeter range.

Die Einlagen 12 weisen jeweils mit ihrem zwischen zwei Litzen 15 durchragenden innenseitigen Endteil 12' jeweils eine Dicke d' auf, die grösser als die Dicke d im schmälsten Bereich der jeweiligen Einlage 12 ist, wobei diese innenseitigen Endteile 12' ausserhalb eines gedachten Kreises 14 bei den Innenseiten der Litzen 15 enden, wie strichpunktiert gezeigt ist. Dieser innenseitige Endteil 12' der Einlagen 12 ist jeweils abgerundet, könnte aber auch elliptisch, als halbes Polygon oder sogar flach geformt sein.The inserts 12 each have with their protruding between two strands 15 inside end portion 12 'each have a thickness d', which is greater than the thickness d in the narrowest region of the respective insert 12, said inside end portions 12 'outside of an imaginary circle 14 at the insides of the strands 15 end, as shown in phantom. This inside end portion 12 'of the inserts 12 is each rounded, but could also be elliptical, shaped as a half polygon or even flat.

Die Kunststoffseele 11 ist gegenüberliegend zu diesen Endteilen 12' mit Aussenflächen 11" versehen. Diese Aussenflächen 11" könnten im Prinzip mit Nuten mit einem sich nach innen erstreckenden annähernd gleichen Radius wie die Endteile 12' der Einlagen 12 und dabei wendelförmig um die Kunststoffseele 11 herum versehen sein, dies mit der gleichen Steigung wie die Litzen 15 verseilt sind, damit eine Überdeckung zwischen den Nuten und den Endteilen 12' über die gesamte Seillänge gewährleistet ist.The plastic core 11 is provided with outer surfaces 11 "opposite these end parts 12 '." These outer surfaces 11 "could, in principle, have grooves with an approximately inwardly extending radius equal to the end parts 12' of the inserts 12 and helically around the plastic core 11 be provided, this with the same pitch as the strands 15 are stranded, so that an overlap between the grooves and the end portions 12 'is ensured over the entire cable length.

Die Kunststoffseele 11 ist stabförmig ausgebildet und bei der Herstellung derart aufgewärmt, dass sich die Litzen 15 mit ihrer gewellten Oberflächenstruktur durch Verformung des Umfangbereichs 11' der Kunststoffseele 11 ein formschlüssiges Aneinanderliegen ergibt.The plastic core 11 is rod-shaped and heated during manufacture such that the strands 15 with their corrugated surface structure by deformation of the peripheral portion 11 'of the plastic core 11 results in a form-fitting abutment.

Die Kunststoffseele 11, hergestellt aus einem Stab aus einem biegsamen Kunststoff, kann je nach Anwendung mit mindestens einer diesen Stab umgebenden Schicht aus einem gut verformbaren Kunststoff zusammengesetzt sein. Der Stab kann aber auch aus mehreren Kunststoffschichten bestehen.The plastic core 11, made of a rod made of a flexible plastic, depending on the application, may be composed of at least one layer of a readily deformable plastic surrounding this rod. The rod can also consist of several layers of plastic.

Beim Verbinden der beiden Enden eines Drahtseils zwecks Herstellung eines endlosen Drahtseils mittels einer an sich herkömmlichen Verspleissung wird im Wesentlichen wie folgt vorgegangen:

  1. 1. Die beiden Drahtseilenden werden über eine bestimmte Länge nebeneinander gelegt.
  2. 2. Es werden bei beiden Drahtseilenden je über diese bestimmte Länge drei vorzugsweise nebeneinanderliegende Litzen 15 weggenommen, wobei bei beiden Enden dieselben Litzen abgewickelt werden.
  3. 3. Dann wird die Kunststoffseele 11 genauso bei beiden Drahtseilenden je über die gleiche Länge wie diese Litzen 15 weggenommen und abgeschnitten.
  4. 4. In der Folge werden je diese drei nebeneinanderliegenden Litzen bei beiden Enden an der Stelle der abgeschnittenen Kunststoffseele abgeschnitten, vorteilhaft beim einen Ende die zuerst weggenommenen Litzen und beim anderen Ende die drei nicht abgewickelten Litzen.
  5. 5. Anschliessend werden bei dem die drei noch längeren als die Seele vorhandenen Litzen des einen Seilendes einzeln anstelle der gleichen abgeschnittenen Litzen beim andern Seilende und vice versa jeweils über diese bestimmte Länge eingewickelt.
  6. 6. Diese Enden dieser ein- bzw. ausgewickelten Litzen sind beidseitig an je drei verschiedenen, genügend weit auseinanderliegenden Verspleissstellen 10' beim Seil gewählt. Sie verfügen über eine ausreichende noch frei vorstehende Länge, die jeweils mit einem Gummiband, mit Gummi ummantelte Schnüre und/oder ähnlichem umwickelt werden.
  7. 7. Sodann wird die Kunststoffseele jeweils bei diesen sechs Verspleissstellen 10' je um eine vorgegebene Distanz mittels entsprechenden Werkzeugen ausgedreht und abgeschnitten.
  8. 8. Nachher wird an diesen sechs Verspleissstellen 10' jeweils bei der herausgenommenen Seele diese zwei vorstehenden Litzen 15', 15" in die eine bzw. andere Richtung ins Zentrum des Seils mittels entsprechenden Werkzeugen eingedreht, dies bis zu der Stelle, wo die Seele abgeschnitten worden ist, sodann das Seil fertig verspleisst ist.
When connecting the two ends of a wire rope for the purpose of producing an endless wire rope by means of a conventional splice, the procedure is essentially as follows:
  1. 1. The two wire ends are placed next to each other over a certain length.
  2. 2. There are taken in two wire ends each about this particular length three preferably adjacent strands 15, wherein at both ends the same strands are handled.
  3. 3. Then the plastic core 11 is removed and cut off at the same time both wire ends each over the same length as these strands 15.
  4. 4. As a result, each of these three adjacent strands cut off at both ends at the location of the cut plastic core, advantageously at one end the first taken away strands and at the other end the three unwound strands.
  5. 5. Subsequently, in which the three longer than the soul existing strands of a rope end individually wrapped instead of the same cut strands at the other end of the rope and vice versa each about this particular length.
  6. 6. These ends of these on or unwrapped strands are on both sides of three different, sufficiently widely spaced splice locations 10 'chosen the rope. They have a sufficient free projecting length, which are each wrapped with a rubber band, wrapped with rubber cords and / or the like.
  7. 7. Then, the plastic core is ever turned out at these six splice locations 10 'each by a predetermined distance by means of appropriate tools and cut off.
  8. 8. Subsequently, at these six splice locations 10 ', each time the soul is removed, these two protruding strands 15', 15 "are screwed in one direction or the other into the center of the rope by means of appropriate tools, up to the point where the core is cut off has been, then the rope is finished spliced.

Damit ist eine an sich bekannte Spleissart im Detail erläutert worden. Es gibt aber noch andere Spleissarten, die von der Erfindung ebenfalls umfasst sind, aber nicht noch näher erläutert sind.Thus, a known type of splice has been explained in detail. However, there are other types of splices, which are also included in the invention, but are not explained in more detail.

Erfindungsgemäss sind, wie in Fig. 2 bis Fig. 5 veranschaulicht ist, an diesen sechs Stellen 10', bei denen jeweils diese zwei Litzen 15', 15" in die eine bzw. andere Richtung ins Zentrum des Seils eingedreht sind, je ein vorgeformtes Zwischenstück 20 eingelegt, damit der Aussendurchmesser des Drahtseils 10 bei dieser Stelle 10' nach Norm maximal 8% grösser sein kann.According to the invention, as in Fig. 2 to Fig. 5 is illustrated, at these six points 10 ', in which each of these two strands 15', 15 "are screwed in the one or the other direction to the center of the rope, depending on a preformed spacer 20 inserted so that the outer diameter of the wire rope 10 in this Position 10 'can be greater than 8% by standard.

Bei diesem vorgeformten Zwischenstück 20 sind in seiner Längsrichtung verlaufende Nuten 22, 23, 24 und eine Ausnehmung 21 vorgesehen, wobei in den Nuten die Litzen 15 eingelegt bzw. geführt sind. Diese Ausnehmung 21 und die Nuten 22, 23, 24 sind im Querschnitt jeweils mit einem über die gesamte Länge gleichbleibenden Radius versehen, welcher bei der Ausnehmung 21 dem halben Durchmesser der Seele 11 bzw. bei den Nuten 22, 23, 24 jeweils dem halben Durchmesser der Litzen 15 entspricht.In this preformed intermediate piece 20 extending grooves 22, 23, 24 and a recess 21 are provided in its longitudinal direction, wherein in the grooves, the strands 15 are inserted or guided. This recess 21 and the grooves 22, 23, 24 are provided in cross-section each with a constant over the entire length radius, which at the recess 21 half the diameter of the core 11 and at the grooves 22, 23, 24 each half the diameter the strands 15 corresponds.

Dabei sind diesem länglichen Zwischenstück 20 bei seinen beiden Enden je eine dünne Wand 20' zugeordnet, welche bei den von aussen ins Zentrum verlaufenden Litzen 15', 15", wie in Fig. 3 ersichtlich ist, zu liegen kommen. Demgegenüber ist dieses Zwischenstück 20 gegen die Mitte hin entsprechend dicker als an den Enden ausgebildet, dies bei einer kontinuierlichen Veränderung der Dicken von aussen nach innen. Die Wände 20' sind abhängig vom Seildurchmesser gestaltetIn each case, a thin wall 20 'is associated with this elongated intermediate piece 20 at its two ends, which in the case of the strands 15', 15 "extending from the outside to the center, as in FIG Fig. 3 it is obvious to come to rest. In contrast, this intermediate piece 20 is formed towards the center according to thicker than at the ends, this with a continuous change in thickness from the outside inwards. The walls 20 'are designed depending on the rope diameter

Im Rahmen der Erfindung sind diese jeweils ins Zentrum eingedrehten Litzen 15', 15" über den im Innern befindlichen Bereich mit einem Spleissband 17 umwickelt, damit diese Litzen 15', 15" zum einen über einen höheren Reibungskoeffizienten verfügen und zum andern, dass ihre Durchmesser jeweils annähernd demjenigen der Kunststoffseele 11 entsprechen. Bei diesem Spleissband 17 handelt es sich um armierten Gummi oder ähnlichem.In the context of the invention, these strands 15 ', 15 ", which are in each case screwed into the center, are wrapped with a splicing strip 17 over the area located in the interior so that these strands 15', 15" have a higher coefficient of friction and, on the other hand, their diameters each approximately correspond to that of the plastic core 11. This splicing tape 17 is reinforced rubber or the like.

Je nach Litzenanzahl pro Seil kann diese Anzahl von einzusetzenden Zwischenstücken 20 variieren. Bei einem mit sieben oder acht Litzen versehenen Seil wären dann entsprechend acht solcher Zwischenstücke mit einer unterschiedlichen Form vorgesehen.Depending on the number of strands per cable, this number of intermediate pieces 20 to be used may vary. For one with seven or eight strands provided rope would then be provided according to eight such spacers with a different shape.

Die Erfindung ist mit dem obigen Ausführungsbeispiel ausreichend dargetan. Sie könnte aber noch durch weitere Varianten veranschaulicht sein. So könnte das Zwischenstück mit einem oder mehreren Drähten in ihrem Innern verstärkt sein. Zudem könnte es aussen eine separate Schicht aufweisen, welche aus einem Material bestehen würde, durch welche die Litzen in dieser Schicht optimal einbettet und geschmiert wären.The invention is sufficiently demonstrated with the above embodiment. But you could still be illustrated by other variants. Thus, the intermediate piece could be reinforced with one or more wires in its interior. In addition, it could have a separate layer on the outside, which would consist of a material by which the strands would be optimally embedded in this layer and lubricated.

Claims (15)

Drahtseil, mit mehreren aus verseilten Drähten (16) bestehenden Litzen (15), die um eine Kunststoffseele (11) herum verseilt und zwischen diesen längliche Einlagen (12) angeordnet sind, welche sich annähernd bis zum Aussenumfang des Drahtseils (10) erstrecken und in dem mit den Litzen (15) in Berührung stehenden Bereich beidseitig jeweils einen den Litzen (15) angepassten Radius aufweisen, dadurch gekennzeichnet, dass
die verseilten Litzen (15) über einen bestimmten Umfangsbereich (11') unmittelbar auf der Kunststoffseele (11) aufliegen, währenddem die Einlagen (12) jeweils innenseitig mit einem Abstand (a) zur Kunststoffseele (11) angeordnet sind.Wire rope, comprising a plurality of strands (15) made of stranded wires (16), which are stranded around a plastic core (11) and are arranged between these elongated inserts (12) which extend approximately to the outer circumference of the wire rope (10) and in the region in contact with the strands (15) has on both sides in each case a radius adapted to the strands (15), characterized in that
the stranded strands (15) over a certain peripheral area (11 ') directly on the plastic core (11) rest, while the inserts (12) are each arranged on the inside with a distance (a) to the plastic core (11). Drahtseil nach Anspruch 1, dadurch gekennzeichnet, dass die radialen Abstände (a) zwischen den Einlagen (12) und der Kunststoffseele (11) jeweils so dimensioniert sind, dass diese mindestens jeweils annähernd einer Ausdehnung entsprechen, welche durch das Fliessen der Kunststoffseele (11) nach einer gewissen Anfangsbetriebszeit des Drahtseiles (10) in radialer Richtung nach aussen entsteht.Wire rope according to claim 1, characterized in that the radial distances (a) between the inserts (12) and the plastic core (11) are each dimensioned such that they correspond at least in each case to an extent which is determined by the flow of the plastic core (11). after a certain initial operating time of the wire rope (10) in the radial direction to the outside arises. Drahtseil nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Einlagen (12) jeweils mit ihrem zwischen zwei Litzen (15) durchragenden innenseitigen Endteil (12') jeweils eine Dicke (d') aufweisen, die grösser als die Dicke (d) im schmälsten Bereich der jeweiligen Einlage (12) ist, wobei diese innenseitigen Endteile (12') ausserhalb eines gedachten Kreises (14) bei den Innenseiten der Litzen (15) enden.Wire rope according to claim 1 or 2, characterized in that the inserts (12) in each case with its between two strands (15) projecting inside end portion (12 ') each have a thickness (d') which is greater than the thickness (d) in narrowest region of the respective insert (12), said inner end portions (12 ') outside an imaginary circle (14) at the inner sides of the strands (15) terminate. Drahtseil nach Anspruch 3, dadurch gekennzeichnet, dass der innenseitige Endteil (12') der Einlagen (12) jeweils abgerundet ist und die Kunststoffseele (11) gegenüberliegend mit Nuten bei den Aussenflächen (11 ") mit jeweils einem annähernd gleichen Radius versehen ist, wobei diese Nuten jeweils wendelförmig um die Kunststoffseele herum verlaufen.Wire rope according to claim 3, characterized in that the inside end part (12 ') of the inserts (12) is rounded in each case and the plastic core (11) opposite with grooves in the outer surfaces (11 ") each provided with an approximately equal radius, said these grooves each helically around the plastic core around. Drahtseil nach einem der vorhergehenden Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Umfangsbereich (11'), bei welchem die verseilten Litzen (15) unmittelbar auf der Kunststoffseele (11) aufliegen, bei Verwendung von sechs Litzen einen Winkelbereich (α) von vorzugsweise bis zu 60° aufweist.Wire rope according to one of the preceding claims 1 to 4, characterized in that the peripheral region (11 '), in which the stranded strands (15) directly on the plastic core (11) rest, when using six strands an angular range (α) of preferably up to 60 °. Drahtseil nach einem der vorhergehenden Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Kunststoffseele (11) stabförmig ausgebildet und bei der Herstellung aufgewärmt ist, damit sich die Litzen (15) mit ihrer gewellten Oberflächenstruktur durch Verformung des Umfangbereichs (11') der Kunststoffseele ein formschlüssiges Aneinanderliegen ergibt.Wire rope according to one of the preceding claims 1 to 5, characterized in that the plastic core (11) is rod-shaped and warmed during manufacture, so that the strands (15) with their wavy surface structure by deformation of the peripheral region (11 ') of the plastic core a form-fitting abutment results. Drahtseil nach Anspruch 6, dadurch gekennzeichnet, dass die stabförmige Kunststoffseele aus einem biegsamen Kunststoff und mindestens einer diesen umgebenden Schicht aus einem verformbaren Kunststoff zusammengesetzt ist.Wire rope according to claim 6, characterized in that the rod-shaped plastic core is composed of a flexible plastic and at least one surrounding layer of a deformable plastic. Drahtseil nach einem der vorhergehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Einlagen (12) am Aussenumfang mit einem annähernd dem halben Seildurchmesser entsprechenden Radius (R) versehen sind, um zusammen mit den Litzen (15) einen annähernd gleichmässigen Aussenumfang zu bilden.Wire rope according to one of the preceding claims 1 to 7, characterized in that the inserts (12) are provided on the outer circumference with a radius (R) corresponding to approximately half the rope diameter in order to form an approximately uniform outer circumference together with the strands (15). Drahtseil nach einem der vorhergehenden Ansprüche 1 bis 8, dadurch gekennzeichnet, dass bei Verspleissstellen (10') des Drahtseils (10), bei denen nach dem Verspleissen die Kunststoffseele (11) über eine vorgegebene Distanz ausgedreht und abgeschnitten ist und jeweils zwei Litzen (15', 15") in die eine bzw. andere Richtung ins Zentrum des Seils eingedreht sind, ein vorgeformtes Zwischenstück (20) eingelegt ist, damit der Aussendurchmesser des Drahtseils (10) bei dieser Stelle (10') minimal grösser ist.Wire rope according to one of the preceding claims 1 to 8, characterized in that at splices (10 ') of the wire rope (10) in which after splicing the plastic core (11) is turned over a predetermined distance and cut off and two strands (15 ', 15 ") in one or the other direction are screwed into the center of the rope, a preformed intermediate piece (20) is inserted, so that the outer diameter of the wire rope (10) at this point (10') is slightly larger. Drahtseil nach Anspruch 9, dadurch gekennzeichnet, dass beim vorgeformten Zwischenstück (20) in seiner Längsrichtung verlaufende Ausnehmung (21), welche einen Radius aufweist, der demjenigen einer Litze (15', 15") entspricht, und zusätzlich rundum verteilte Nuten (22, 23, 24) vorgesehen sind, in welchen die Litzen (15) eingelegt bzw. geführt sind.Wire rope according to claim 9, characterized in that in the preformed intermediate piece (20) has in its longitudinal direction extending recess (21) which has a radius which corresponds to that of a stranded wire (15 ', 15 "), and in addition circumferentially distributed grooves (22, 23, 24) are provided, in which the strands (15) are inserted or guided. Drahtseil nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass diesem länglichen Zwischenstück (20) bei seinen beiden Enden je eine dünne Wand (20') zugeordnet ist, welche bei den von aussen ins Zentrum verlaufenden Litzen (15', 15") zu liegen kommen, demgegenüber dieses Zwischenstück (20) gegen die Mitte hin entsprechend dicker als an den Enden ausgebildet, dies bei einer kontinuierlichen Veränderung der Dicken von aussen nach innen.Wire rope according to claim 9 or 10, characterized in that this elongated intermediate piece (20) is assigned at its two ends depending on a thin wall (20 '), which lie in the running from the outside to the center strands (15', 15 ") In contrast, this intermediate piece (20) towards the center according to thicker than formed at the ends, this with a continuous change in thickness from the outside inwards. Drahtseil nach Anspruch 9, 10 oder 11, dadurch gekennzeichnet, dass die in das Zentrum des Drahtseiles (10) eingedrehte Litzen (15', 15") über den im Zentrum befindlichen Bereich mit einem Kunststoffband (17) umwickelt sind.Wire rope according to claim 9, 10 or 11, characterized in that the strands (15 ', 15 ") screwed into the center of the wire rope (10) are wound over the area located in the center with a plastic strip (17). Zwischenstück für ein verspleisstes Drahtseil nach einem der vorhergehenden Ansprüche 9 bis 12, dadurch gekennzeichnet, dass das länglich ausgebildete Zwischenstück (20) derart vorgeformt ist, dass es in seiner Längsrichtung verlaufende Ausnehmung (21) und zusätzlich rundum verteilte Nuten (22, 23, 24) aufweist, in welchen die Litzen (15, 15') einlegbar sind.Intermediate piece for a spliced wire rope according to one of the preceding claims 9 to 12, characterized in that the elongated intermediate piece (20) is preformed such that it in its longitudinal direction extending recess (21) and in addition circumferentially distributed grooves (22, 23, 24 ), in which the strands (15, 15 ') can be inserted. Zwischenstück nach Anspruch 13, dadurch gekennzeichnet, dass das Zwischenstück (20) gegen die Mitte hin entsprechend dicker als an den Enden mit den dünnen Wänden (20') ausgebildet ist, dies bei einer kontinuierlichen Veränderung der Dicken von aussen nach innen.An intermediate piece according to claim 13, characterized in that the intermediate piece (20) is formed correspondingly thicker towards the center than at the ends with the thin walls (20 '), this with a continuous change of the thicknesses from outside to inside. Zwischenstück nach Anspruch 13 oder 14, dadurch gekennzeichnet, dass diese Ausnehmung (21) und die Nuten (22, 23, 24) im Querschnitt jeweils einen über die gesamte Länge mit einem gleichbleibenden Radius versehen sind.Intermediate piece according to claim 13 or 14, characterized in that this recess (21) and the grooves (22, 23, 24) are each provided in cross-section over the entire length with a constant radius.
EP13183006.9A 2012-09-17 2013-09-04 Wire rope and a insert for its splice area Active EP2708642B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17175841.0A EP3255206B1 (en) 2012-09-17 2013-09-04 Insert for a spliced wire rope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01727/12A CH707004B1 (en) 2012-09-17 2012-09-17 Cable and an adapter for a splice of a wire rope.

Related Child Applications (2)

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EP17175841.0A Division EP3255206B1 (en) 2012-09-17 2013-09-04 Insert for a spliced wire rope
EP17175841.0A Division-Into EP3255206B1 (en) 2012-09-17 2013-09-04 Insert for a spliced wire rope

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EP2708642A2 true EP2708642A2 (en) 2014-03-19
EP2708642A3 EP2708642A3 (en) 2015-04-08
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EP2818594A3 (en) * 2013-06-28 2015-03-11 Fatzer AG Drahtseilfabrik Wire rope and method of manufacturing the same
WO2019016390A1 (en) * 2017-07-21 2019-01-24 Fatzer Ag Sheathing element and method for splicing a rope
WO2019016368A1 (en) * 2017-07-21 2019-01-24 Fatzer Ag Cable section and method for splicing a cable which forms a person transporting wire cable

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DE102018113466A1 (en) * 2018-06-06 2019-12-12 Aerodyn Consulting Singapore Pte Ltd Rope, in particular for bracing components of a wind energy plant

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EP2818594A3 (en) * 2013-06-28 2015-03-11 Fatzer AG Drahtseilfabrik Wire rope and method of manufacturing the same
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WO2019016390A1 (en) * 2017-07-21 2019-01-24 Fatzer Ag Sheathing element and method for splicing a rope
WO2019016368A1 (en) * 2017-07-21 2019-01-24 Fatzer Ag Cable section and method for splicing a cable which forms a person transporting wire cable

Also Published As

Publication number Publication date
ES2870016T3 (en) 2021-10-26
CN103866596B (en) 2018-05-22
JP2014066001A (en) 2014-04-17
JP6309727B2 (en) 2018-04-11
EP3255206A1 (en) 2017-12-13
CH707004B1 (en) 2016-07-29
EP3255206B1 (en) 2021-02-24
EP2708642B1 (en) 2020-01-15
CN103866596A (en) 2014-06-18
CH707004A2 (en) 2014-03-31
EP2708642A3 (en) 2015-04-08

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