EP3017108A1 - Traction rope comprising a one-piece core - Google Patents

Traction rope comprising a one-piece core

Info

Publication number
EP3017108A1
EP3017108A1 EP13753670.2A EP13753670A EP3017108A1 EP 3017108 A1 EP3017108 A1 EP 3017108A1 EP 13753670 A EP13753670 A EP 13753670A EP 3017108 A1 EP3017108 A1 EP 3017108A1
Authority
EP
European Patent Office
Prior art keywords
cable
core
strands
cable according
receiving grooves
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
EP13753670.2A
Other languages
German (de)
French (fr)
Other versions
EP3017108B1 (en
Inventor
Benjamin Coutaz
Marc COURTEBRAS
Pierre-François BARON
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.)
ArcelorMittal Wire France SA
Original Assignee
ArcelorMittal Wire France 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 ArcelorMittal Wire France SA filed Critical ArcelorMittal Wire France SA
Priority to HRP20211549TT priority Critical patent/HRP20211549T1/en
Priority to HUE13753670A priority patent/HUE056839T2/en
Priority to SI201331944T priority patent/SI3017108T1/en
Priority to PL13753670T priority patent/PL3017108T3/en
Priority to RS20211242A priority patent/RS62424B1/en
Publication of EP3017108A1 publication Critical patent/EP3017108A1/en
Application granted granted Critical
Publication of EP3017108B1 publication Critical patent/EP3017108B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
    • D07B1/0686—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration characterised by the core design
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/141—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases
    • D07B1/144—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases for cables or cable components built-up from metal wires
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2019—Strands pressed to 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
    • D07B2201/2048—Cores characterised by their cross-sectional shape
    • D07B2201/2049—Cores characterised by their cross-sectional shape having protrusions extending radially functioning as spacer between strands or wires
    • 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
    • D07B2201/2055—Cores characterised by their structure comprising filaments or fibers
    • 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
    • D07B2201/2059—Cores characterised by their structure comprising wires
    • D07B2201/2061—Cores characterised by their structure comprising wires resulting in a twisted structure
    • 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
    • D07B2201/2059—Cores characterised by their structure comprising wires
    • D07B2201/2062—Cores characterised by their structure comprising wires comprising fillers
    • 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
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2047—Cores
    • D07B2201/2067—Cores characterised by the elongation or tension behaviour
    • D07B2201/2068—Cores characterised by the elongation or tension behaviour having a load bearing function
    • 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
    • D07B2201/2071—Spacers
    • D07B2201/2073—Spacers in circumferencial direction
    • 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
    • D07B2201/2075—Fillers
    • D07B2201/2076—Fillers having a lubricant function
    • 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
    • D07B2205/201—Polyolefins
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/205—Avoiding relative movement of components

Definitions

  • the outer layer of a traction cable or tractor-carrier according to the most common state of the art, assembled helically around a core, is composed of a number of strands, typically from 3 to 16 strands .
  • Such a helical assembly of strands around a core necessarily generates a "valley" between each pair of adjacent strands, valleys that constitute throughout the cable as many geometric deviations from an ideal cylindrical envelope of the outer surface thereof.
  • each of the rollers of the installation will therefore generate a movement thereof that can reach an amplitude of several millimeters.
  • each of the rollers of the installation will therefore be animated by a periodic oscillation movement, the frequency of which may rise, depending on the case, to several tens of Hz, or, in some cases, several hundred Hz.
  • vibrations the generation of which is inherent to the structure of the traction cables or tractor-carriers according to the most common state of the art, although hampered by a judicious choice of materials of the guide rollers lining of the concerned, may nevertheless be likely to disturb the environment of the cable (for example: noise generation near dwellings) and / or to accelerate the wear or fatigue of some of its components. .
  • FR 2,769,027 which describes a gondola cable comprising a central core extended by peripheral inserts between which are interposed the strands during wiring.
  • FR 2 769 027 emphasizes the need for extensive compaction of the cable during its manufacture, with the aim of ensuring a "mutual interweaving of the strands, the inserts and the central core of the cable. ", Which directly implies a very strong pinching action of each fin between the two strands that border, this making the manufacturing process very unstable. This technical choice of a high compaction is also likely to cause in the short or medium term either the ejection or the complete shear fins.
  • the subject of the invention is a traction cable comprising a monobloc core comprising a central core provided on its periphery with a series of regularly spaced fins forming between them receiving grooves of at least partly circular cross-section and strands disposed around said core by insertion into each of said grooves, so that the association of said core and said strands has an outer shell of substantially cylindrical shape, the strands being embedded in the receiving grooves, without coming to do flute the fins that separate them.
  • the fins may have a compression module different from that of the central core, whether it is lower or higher
  • the materials constituting the core are polymers comprising fillers intended to improve their mechanical characteristics in compression, and / or to confer on them properties resistance to UV radiation and / or rendering them electrically conductive, and / or giving them lubricating properties,
  • the number of strands is between 3 and 16 and is preferably equal to 6,
  • FIG. 3 is a cross-sectional view of a second embodiment of a core according to the invention.
  • the core 2 itself consists of a central core 4 provided on its periphery with six evenly spaced fins 5 whose lateral walls form between them as many receiving grooves 6 of substantially circular shape.
  • the fins 5 may be made of the same material as that of the central core 4 or in one or more materials whose modulus of compression is preferably lower than that of the central core 4, which means that these fins will then be more easily compressible than the core 4.
  • the transport facilities such as the lifts are in fact held by a carrier-tractor cable, that is to say that the cable ensures the reach of the cabin but also its drive up.
  • the carrying cable is fixed and stretched between the departure station and arrival station of the facility and do not move.
  • the traction cable which provides cab traction, is attached to the cab carriage and forms a tight drive loop between the two stations.
  • the cable according to the invention can be used in many other applications such as an urban transport system, for example, and is therefore not limited to these uses.

Landscapes

  • Ropes Or Cables (AREA)
  • Adornments (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention relates to a traction rope (1) comprising a one-piece core (2) comprising a central kernel (4) provided on its periphery with a set of regularly spaced fins (5) that form between one another receiving grooves (6) having an at least partially circular section, and strands (3) disposed around the core (2) by insertion into each of the receiving grooves (6), such that the combination of the core and the strands (3) has an outer envelope with a substantially cylindrical shape, the strands (3) being embedded in the receiving grooves (6) without otherwise making the fins (5) that separate them creep. The invention also relates to a one-piece core (2, 7) for a traction rope and also to the use of this rope (1) purely as a traction rope or as a carrying-hauling rope.

Description

Câble de traction comprenant une âme monobloc La présente invention concerne un câble à torons enroulés sur une âme centrale, plus particulièrement destiné à être intégré dans une installation de transport par câbles, sans pour autant y être limitée. Le câble objet de la présente invention est ainsi spécifiquement en mesure de pouvoir supporter efficacement la fixation de véhicules (cabines, sièges) transportant des personnes ou des biens par le moyens de pinces fixes ou débrayables, ou de mordaches, ces attaches enserrant sa surface de façon à supporter le poids de ces véhicules et de leur contenu, tout en assurant leur translation tout au long de l'installation, sans qu'il y ait de glissement entre le câble et les attaches précitées. Ceci implique directement une résistance à court et long terme du câble objet de la présente invention, et de son âme, à la pression exercée par les pinces ou mordaches précitées.  The present invention relates to a stranded cable wound on a central core, more particularly intended to be integrated in a cable transport installation, without being limited thereto. The cable object of the present invention is thus specifically able to effectively withstand the fixation of vehicles (cabs, seats) carrying persons or goods by means of fixed or disengageable forceps, or jaws, these fasteners enclosing its surface of to support the weight of these vehicles and their contents, while ensuring their translation throughout the installation, without slippage between the cable and the aforementioned fasteners. This directly implies a short and long-term resistance of the cable object of the present invention, and its core, to the pressure exerted by the forceps or mordaches mentioned above.
Dans un certain nombre de systèmes utilisant un ou plusieurs câbles, le défilement de ceux-ci à vitesse à vitesse constante peut être de nature à générer des bruits et/ou des vibrations nuisibles pour l'environnement de l'installation, tout comme à la tenue mécanique de certains des composants constitutifs de celle-ci.  In a number of systems using one or more cables, the scrolling thereof at constant speed speed may be of a nature to generate noise and / or vibrations harmful to the environment of the installation, as well as to the mechanical strength of some of the constituent components thereof.
On rencontre notamment cette situation pour les installations de transport par câbles, que ce soit de personnes ou de matériaux, telles que des installations de remontées mécaniques, pour lesquelles un fonctionnement à taux de service très important est fréquent, et dont la durée de vie prévue peut atteindre plusieurs dizaines d'années.  This situation is particularly noticeable for cable transport installations, whether for people or materials, such as ski lift installations, for which operation with a very high service rate is frequent, and whose expected lifetime can reach several tens of years.
La couche extérieure d'un câble de traction ou porteur-tracteur selon l'état de l'art le plus répandu, assemblée en hélice autour d'une âme, est composée d'un certain nombre de torons, typiquement de 3 à 16 torons. Un tel assemblage hélicoïdal de torons autour d'une âme génère nécessairement une "vallée" entre chaque paire de torons adjacents, vallées qui constituent tout au long du câble autant d'écarts géométriques par rapport à une enveloppe idéale de forme cylindrique de la surface extérieure de celui-ci. The outer layer of a traction cable or tractor-carrier according to the most common state of the art, assembled helically around a core, is composed of a number of strands, typically from 3 to 16 strands . Such a helical assembly of strands around a core necessarily generates a "valley" between each pair of adjacent strands, valleys that constitute throughout the cable as many geometric deviations from an ideal cylindrical envelope of the outer surface thereof.
Le passage de chacune de ces vallées sur chaque galet de l'installation générera donc un mouvement de celui-ci pouvant atteindre une amplitude de plusieurs millimètres. Comme on le voit, en fonction de la vitesse de défilement du câble, chacun des galets de l'installation se trouvera donc animé d'un mouvement d'oscillation périodique, dont la fréquence pourra s'élever, suivant les cas, à plusieurs dizaines de Hz, voire, dans certains cas, à plusieurs centaines de Hz.  The passage of each of these valleys on each roller of the installation will therefore generate a movement thereof that can reach an amplitude of several millimeters. As can be seen, as a function of the running speed of the cable, each of the rollers of the installation will therefore be animated by a periodic oscillation movement, the frequency of which may rise, depending on the case, to several tens of Hz, or, in some cases, several hundred Hz.
Ces vibrations, dont la génération est inhérente à la structure des câbles de traction ou porteurs-tracteurs suivant l'état de l'art le plus répandu, bien qu'amoindries par un choix judicieux des matériaux de garniture des galets de guidage de l'installation à câbles concernée, peuvent toutefois se trouver être de nature à perturber l'environnement de celle-ci (par exemple : génération de bruit à proximité d'habitations) et/ou à accélérer l'usure ou la fatigue de certains de ses composants.  These vibrations, the generation of which is inherent to the structure of the traction cables or tractor-carriers according to the most common state of the art, although hampered by a judicious choice of materials of the guide rollers lining of the concerned, may nevertheless be likely to disturb the environment of the cable (for example: noise generation near dwellings) and / or to accelerate the wear or fatigue of some of its components. .
Pour résoudre ce problème, on connaît le document FR 2 769 027 qui décrit un câble pour télécabine comprenant une âme centrale prolongée par des inserts périphériques entre lesquels sont intercalés les torons lors du câblage. Toutefois, le document FR 2 769 027 met l'accent sur la nécessité d'un compactage poussé du câble lors de sa fabrication, dans le but d'assurer une « imbrication mutuelle des torons, des inserts et de l'âme centrale du câble », ce qui implique directement une très forte action de pincement de chaque ailette entre les deux torons qui la bordent, ceci rendant le processus de fabrication très instable. Ce choix technique d'un compactage poussé est également de nature à provoquer à court ou moyen terme soit l'éjection soit le cisaillement complet des ailettes. Une telle opération de compactage poussé est donc très délicate et ne permet généralement pas d'obtenir un câble de section homogène, les vibrations n'étant alors pas réduites et le câble ne présentant pas la durabilité requise. En outre, les dispositifs de l'art antérieur posent également problème en termes de résistance au glissement, car ils ne sont généralement pas suffisamment aptes à supporter la pression verticale des pinces de serrage des cabines de transport. To solve this problem, it is known from FR 2,769,027 which describes a gondola cable comprising a central core extended by peripheral inserts between which are interposed the strands during wiring. However, the document FR 2 769 027 emphasizes the need for extensive compaction of the cable during its manufacture, with the aim of ensuring a "mutual interweaving of the strands, the inserts and the central core of the cable. ", Which directly implies a very strong pinching action of each fin between the two strands that border, this making the manufacturing process very unstable. This technical choice of a high compaction is also likely to cause in the short or medium term either the ejection or the complete shear fins. Such a high compaction operation is therefore very delicate and generally does not allow to obtain a homogeneous cross section cable, the vibrations are then not reduced and the cable does not have the required durability. In addition, the devices of the prior art also pose a problem in terms of sliding resistance, since they are generally not sufficiently capable of withstanding the vertical pressure of the clamps of the transport cabs.
Le but de la présente invention est donc de remédier à ces inconvénients en proposant un câble à torons permettant de minimiser, voire de supprimer les vibrations et bruits générés par son passage sur les galets de guidage d'une installation de type tractée ou téléportée, ainsi qu'un procédé de fabrication d'un tel câble et qu'une âme adaptée.  The object of the present invention is therefore to overcome these drawbacks by proposing a strand cable to minimize or even eliminate the vibrations and noise generated by its passage over the guide rollers of a towed or teleported type installation, and that a method of manufacturing such a cable and a suitable soul.
A cet effet, l'invention a pour objet un câble de traction comprenant une âme monobloc comprenant un noyau central muni sur sa périphérie d'une série d'ailettes régulièrement espacées formant entre elles des gorges de réception de section au moins partiellement circulaire et des torons disposés autour de ladite âme par insertion dans chacune desdites gorges, de telle sorte que l'association de ladite âme et desdits torons présente une enveloppe extérieure de forme sensiblement cylindrique, les torons étant incrustés dans les gorges de réception, sans pour autant venir faire fluer les ailettes qui les séparent. For this purpose, the subject of the invention is a traction cable comprising a monobloc core comprising a central core provided on its periphery with a series of regularly spaced fins forming between them receiving grooves of at least partly circular cross-section and strands disposed around said core by insertion into each of said grooves, so that the association of said core and said strands has an outer shell of substantially cylindrical shape, the strands being embedded in the receiving grooves, without coming to do flute the fins that separate them.
Les câbles selon l'invention peuvent en outre incorporer les caractéristiques suivantes, prises isolément ou en combinaison :  The cables according to the invention may further incorporate the following characteristics, taken separately or in combination:
- les ailettes peuvent présenter un module de compression différent de celui du noyau central, qu'il soit inférieur ou supérieur  the fins may have a compression module different from that of the central core, whether it is lower or higher
- le noyau central comprend en outre un toron noyé dans le noyau, le toron étant dimensionné pour participer à la reprise des efforts de traction transmis par le câble ou pour le lester,  - The central core further comprises a strand embedded in the core, the strand being sized to participate in the recovery of tensile forces transmitted by the cable or to ballast,
- le noyau central comprend en outre des fibres, choisies de façon à participer à la reprise des efforts de traction transmis par le câble ou pour le lester,  - The central core further comprises fibers, selected to participate in the recovery of tensile forces transmitted by the cable or for ballast,
- les matériaux constitutifs de l'âme sont des polymères comprenant des charges destinées à améliorer leurs caractéristiques mécaniques en compression, et/ou à leur conférer des propriétés de résistance aux rayonnements UV et/ou à les rendre conducteur de l'électricité, et/ou ou à leur conférer des propriétés lubrifiantes,the materials constituting the core are polymers comprising fillers intended to improve their mechanical characteristics in compression, and / or to confer on them properties resistance to UV radiation and / or rendering them electrically conductive, and / or giving them lubricating properties,
- le nombre de torons est compris entre 3 et 16 et est de préférence égal à 6, the number of strands is between 3 and 16 and is preferably equal to 6,
- les torons sont compactés individuellement avant assemblage avec l'âme monobloc.  - The strands are compacted individually before assembly with the monobloc core.
L'invention sera mieux comprise à l'aide de la description qui va suivre, donnée uniquement à titre d'exemple et en référence aux dessins annexés, sur lesquels :  The invention will be better understood with the aid of the description which follows, given solely by way of example and with reference to the appended drawings, in which:
- la figure 1 est une vue en perspective d'un premier mode de réalisation d'un câble selon l'invention,  FIG. 1 is a perspective view of a first embodiment of a cable according to the invention,
- la figure 2 est une vue en coupe transversale de l'âme du câble correspondant à la figure 1 ,  FIG. 2 is a cross-sectional view of the core of the cable corresponding to FIG. 1,
- la figure 3 est une vue en coupe transversale d'un deuxième mode de réalisation d'une âme selon l'invention. - Figure 3 is a cross-sectional view of a second embodiment of a core according to the invention.
Ainsi qu'on peut le voir en figure 1 , dans un premier mode de réalisation, un câble 1 selon l'invention comprend une âme monobloc 2 et une série de six torons 3, à fils ronds, ou de préférence compactés, enroulés en hélice autour de cette âme 2. As can be seen in FIG. 1, in a first embodiment, a cable 1 according to the invention comprises a one-piece core 2 and a series of six strands 3, with round wires, or preferably compacted, helically wound around this soul 2.
Le choix de torons de type compactés permet d'assurer l'interchangeabilité directe du câble selon l'invention que ce soit en diamètre, masse métrique, et charge de rupture minimale avec des câbles de construction classique, déjà en place sur des appareils existants.  The choice of compacted type strands ensures the direct interchangeability of the cable according to the invention in terms of diameter, mass metric, and minimal breaking load with conventional construction cables, already in place on existing devices.
Dans le cadre de la présente invention, on désigne par le terme monobloc, un élément ne pouvant être démonté en plusieurs sous- ensembles sans être détérioré.  In the context of the present invention, the term "monobloc" designates an element that can not be disassembled into several subassemblies without being damaged.
Comme on peut le voir plus précisément en figure 2, l'âme 2 est elle- même constituée d'un noyau central 4 muni sur sa périphérie de six ailettes 5 régulièrement espacées dont les parois latérales forment entre elles autant de gorges de réception 6 de forme sensiblement circulaire. Les ailettes 5 peuvent être réalisées dans la même matière que celle du noyau central 4 ou bien dans un ou plusieurs matériaux dont le module de compression est, de préférence, inférieur à celui du noyau central 4, ce qui signifie que ces ailettes seront alors plus facilement compressibles que le noyau 4. As can be seen more specifically in FIG. 2, the core 2 itself consists of a central core 4 provided on its periphery with six evenly spaced fins 5 whose lateral walls form between them as many receiving grooves 6 of substantially circular shape. The fins 5 may be made of the same material as that of the central core 4 or in one or more materials whose modulus of compression is preferably lower than that of the central core 4, which means that these fins will then be more easily compressible than the core 4.
L'extrémité périphérique de chaque ailette 5 est conformée en arc de cercle, de sorte que lorsqu'on insère les torons 3 dans chacune des gorges de réception 6, en déformant temporairement les ailettes 5, le câble 1 ainsi obtenu présente une enveloppe extérieure de forme sensiblement cylindrique, qui ne comporte donc quasiment plus de vallées.  The peripheral end of each fin 5 is shaped in a circular arc, so that when the strands 3 are inserted into each of the receiving grooves 6, by temporarily deforming the fins 5, the cable 1 thus obtained has an outer envelope of substantially cylindrical shape, which therefore has almost no valleys.
En outre, le diamètre intérieur de la partie circulaire des gorges de réception 6 est choisi de sorte à être proche, et de préférence légèrement inférieur à celui des torons 3 qu'elles doivent recevoir afin que le contact soit le plus étroit possible entre les parois latérales des ailettes 5 et les torons 3, sans opération de compactage poussé selon l'art antérieur tout en garantissant l'obtention d'une section homogène et d'un profil d'une très grande régularité sur toute la longueur du câble.  In addition, the inner diameter of the circular portion of the receiving grooves 6 is chosen to be close, and preferably slightly less than that of the strands 3 that they must receive so that the contact is as close as possible between the walls. Lateral fins 5 and strands 3, without compaction operation pushed according to the prior art while ensuring the achievement of a uniform section and a profile of great uniformity over the entire length of the cable.
L'âme monobloc 2 pourra être fabriquée par tout procédé adapté à la nature du ou des matériaux qui la composent. Elle sera réalisée de préférence en matières synthétiques, terme qui recouvre ici l'ensemble des composés thermoplastiques, des composés thermodurcissables, des élastomères et des composés vulcanisables. On citera notamment les polymères tels que les polyoléfines et, en particulier, le polyéthylène.  The monoblock core 2 may be manufactured by any method adapted to the nature of the material or materials that compose it. It will preferably be made of synthetic materials, a term which covers here all the thermoplastic compounds, thermosetting compounds, elastomers and vulcanizable compounds. Polymers such as polyolefins and, in particular, polyethylene, may be mentioned in particular.
Dans un mode de réalisation préféré, ces matériaux peuvent être additionnés de charges, de façon à leur conférer des propriétés particulières, par exemple de tenue aux rayonnements UV, de conductivité électrique, de résistance à la compression, ou de lubrification.  In a preferred embodiment, these materials may be added with fillers, so as to give them particular properties, for example resistance to UV radiation, electrical conductivity, compressive strength, or lubrication.
Les torons 3 peuvent classiquement être constitués d'un assemblage de fils de diamètres différents enroulés en hélice autour d'un fil central. Ils sont de préférence métalliques et de façon plus particulièrement préféré en acier. Ils peuvent faire individuellement l'objet d'une opération de compactage, de façon à augmenter la section métallique d'un câble de diamètre donné. Dans un second mode de réalisation décrit en figure 3, une âme 7 selon l'invention comprend en outre un toron 8 noyé dans son noyau central 4. Ce toron 8 peut classiquement être constitué d'un assemblage de fils de diamètres différents enroulés en hélice autour d'un fil central. Il est de préférence métallique et de façon plus particulièrement préféré en acier. Son dimensionnement est généralement réalisé de telle sorte qu'il participe à la reprise des efforts de traction transmis par le câble, mais peut également avoir pour but unique de le lester. The strands 3 may conventionally be constituted by an assembly of wires of different diameters wound helically around a central wire. They are preferably metal and more preferably steel. They can be individually compacted, so as to increase the metal section of a given diameter cable. In a second embodiment described in FIG. 3, a core 7 according to the invention furthermore comprises a strand 8 embedded in its central core 4. This strand 8 may conventionally consist of an assembly of wires of different diameters wound helically. around a central wire. It is preferably metallic and more particularly preferably steel. Its dimensioning is generally carried out so that it participates in the recovery of traction forces transmitted by the cable, but may also have the sole purpose of ballasting it.
Dans un troisième mode de réalisation (non représenté), les âmes selon l'invention peuvent également comprendre des fibres, métalliques ou non, insérées longitudinalement dans le noyau central 4. De même que précédemment, leur dimensionnement est généralement réalisé de telle sorte qu'elles participent à la reprise des efforts de traction transmis par le câble, mais peut également avoir pour but unique de le lester.  In a third embodiment (not shown), the cores according to the invention may also comprise fibers, metal or not, inserted longitudinally in the central core 4. As before, their dimensioning is generally carried out in such a way that they participate in the recovery of tensile forces transmitted by the cable, but may also have the sole purpose of the ballast.
Le câble selon l'invention peut être épissé pour former une boucle fermé par couplage des extrémités opposées de ses torons.  The cable according to the invention can be spliced to form a closed loop by coupling the opposite ends of its strands.
Il est compatible avec les différents principes de pinces fixes ou débrayables suivant l'état de l'art, l'interface de celles-ci avec la partie métallique du câble se trouvant inchangée par rapport aux câbles de l'art antérieur.  It is compatible with the different principles of clamps fixed or disengageable according to the state of the art, the interface thereof with the metal part of the cable being unchanged from the cables of the prior art.
Le câble selon l'invention est plus particulièrement destiné à être intégré en tant que câble de traction pure ou en tant que câble porteur tracteur dans une installation de transport de personne par câbles telle qu'une installation de remontée mécanique comme par exemple, mais de façon non limitative une télécabine ou un téléphérique.  The cable according to the invention is more particularly intended to be integrated as a pure traction cable or as a tractor carrying cable in a person transport installation by cables such as a ski lift installation such as for example, but non-limiting way a gondola or a cable car.
Les installations de transport telles que les remontées mécaniques sont en effet tenues grâce à un câble porteur-tracteur, c'est-à-dire que le câble assure la portée de la cabine mais aussi son entraînement vers le haut.  The transport facilities such as the lifts are in fact held by a carrier-tractor cable, that is to say that the cable ensures the reach of the cabin but also its drive up.
Pour des installations telles que des téléphériques, on dispose de deux systèmes de câbles, à savoir un ou deux câbles porteurs et un ou plusieurs câbles de traction. Le câble porteur est fixe et tendu entre la gare de départ et la gare d'arrivée de l'installation et ne bouge pas. Le câble de traction, qui assure la motricité de la cabine, est fixé au chariot de la cabine et forme une boucle d'entraînement tendue entre les deux gares. For installations such as cable cars, there are two cable systems, namely one or two carrying cables and one or more traction cables. The carrying cable is fixed and stretched between the departure station and arrival station of the facility and do not move. The traction cable, which provides cab traction, is attached to the cab carriage and forms a tight drive loop between the two stations.
Outre ces applications, le câble selon l'invention est susceptible d'être utilisé dans de nombreuses autres applications telles qu'un système de transport urbain, par exemple, et ne se limite donc pas à ces usages précités.  In addition to these applications, the cable according to the invention can be used in many other applications such as an urban transport system, for example, and is therefore not limited to these uses.

Claims

REVENDICATIONS
Câble de traction (1) comprenant une âme monobloc (2) comprenant un noyau central (4) muni sur sa périphérie d'une série d'ailettes (5) régulièrement espacées formant entre elles des gorges de réception (6) de section au moins partiellement circulaire et des torons (3) disposés autour de ladite âme (2) par insertion dans chacune desdites gorges de réception (6), de telle sorte que l'association de ladite âme (2) et desdits torons (3) présente une enveloppe extérieure de forme sensiblement cylindrique, les torons (3) étant incrustés dans les gorges de réception (6), sans pour autant venir faire fluer les ailettes (5) qui les séparent. Traction cable (1) comprising a single-piece core (2) comprising a central core (4) provided on its periphery with a series of regularly spaced fins (5) forming between them reception grooves (6) with at least a section partially circular and strands (3) arranged around said core (2) by insertion into each of said receiving grooves (6), so that the association of said core (2) and said strands (3) has an envelope outer substantially cylindrical shape, the strands (3) being embedded in the receiving grooves (6), without coming to flute the fins (5) separating them.
Câble selon la revendication 1 , pour lequel le diamètre des gorges de réception (6) est inférieur ou égal à celui des torons (3).  Cable according to claim 1, wherein the diameter of the receiving grooves (6) is less than or equal to that of the strands (3).
Câble selon la revendication 2, pour lequel le diamètre des gorges de réception (6) est inférieur à celui des torons (3).  Cable according to claim 2, wherein the diameter of the receiving grooves (6) is smaller than that of the strands (3).
Câble selon l'une quelconque des revendications 1 à 3, pour lequel lesdites ailettes (5) présentent un module de compression différent de celui dudit noyau central (4).  Cable according to any one of claims 1 to 3, wherein said fins (5) have a compression module different from that of said central core (4).
Câble selon l'une quelconque des revendications 1 à 4, dont le noyau central (4) comprend en outre un toron (8) noyé dans ledit noyau (4), ledit toron (8) étant dimensionné pour participer à la reprise des efforts de traction transmis par le câble ou pour le lester.  Cable according to any one of claims 1 to 4, the central core (4) further comprises a strand (8) embedded in said core (4), said strand (8) being sized to participate in the recovery of the efforts of traction transmitted by the cable or to ballast it.
Câble selon l'une quelconque des revendications 1 à 5, dont le noyau central comprend en outre des fibres, choisies de façon à participer à la reprise des efforts de traction transmis par le câble ou pour le lester. Cable according to any one of claims 1 to 5, wherein the central core further comprises fibers, selected to participate in the recovery of tensile forces transmitted by the cable or for ballast.
Câble selon l'une quelconque des revendications 1 à 6, pour lequel les matériaux constitutifs de ladite âme (2) sont des polymères comprenant des charges destinées à améliorer leurs caractéristiques mécaniques en compression, et/ou à leur conférer des propriétés de résistance aux rayonnements UV et/ou à les rendre conducteur de l'électricité, et/ou ou à leur conférer des propriétés lubrifiantes. Cable according to any one of claims 1 to 6, for which the materials constituting said core (2) are polymers comprising fillers intended to improve their mechanical properties in compression, and / or to give them properties of resistance to UV radiation and / or rendering them electrically conductive, and / or giving them lubricating properties.
8. Câble selon l'une quelconque des revendications 1 à 7, dont le nombre de torons est compris entre 3 et 16 et est de préférence égal à 6.  8. Cable according to any one of claims 1 to 7, whose number of strands is between 3 and 16 and is preferably equal to 6.
9. Câble selon l'une quelconque des revendications 1 à 8, dont les torons (3) sont individuellement compactés avant assemblage avec l'âme monobloc (2).  9. Cable according to any one of claims 1 to 8, the strands (3) are individually compacted before assembly with the integral core (2).
10. Utilisation d'un câble selon l'une quelconque des revendications 1 à 9 en tant que câble de traction pure ou en tant que câble porteur- tracteur.  10. Use of a cable according to any one of claims 1 to 9 as a pure traction cable or as a carrier-tractor cable.
11. Ame monobloc (2, 7) pour câble de traction (1) telle que définie dans l'une quelconque des revendications 1 à 8.  11. A one-piece core (2, 7) for traction cable (1) as defined in any one of claims 1 to 8.
EP13753670.2A 2013-07-04 2013-07-04 Traction rope comprising a one-piece core Active EP3017108B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
HRP20211549TT HRP20211549T1 (en) 2013-07-04 2013-07-04 Traction rope comprising a one-piece core
HUE13753670A HUE056839T2 (en) 2013-07-04 2013-07-04 Traction rope comprising a one-piece core
SI201331944T SI3017108T1 (en) 2013-07-04 2013-07-04 Traction rope comprising a one-piece core
PL13753670T PL3017108T3 (en) 2013-07-04 2013-07-04 Traction rope comprising a one-piece core
RS20211242A RS62424B1 (en) 2013-07-04 2013-07-04 Traction rope comprising a one-piece core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2013/000176 WO2015001199A1 (en) 2013-07-04 2013-07-04 Traction rope comprising a one-piece core

Publications (2)

Publication Number Publication Date
EP3017108A1 true EP3017108A1 (en) 2016-05-11
EP3017108B1 EP3017108B1 (en) 2021-09-29

Family

ID=49080912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13753670.2A Active EP3017108B1 (en) 2013-07-04 2013-07-04 Traction rope comprising a one-piece core

Country Status (12)

Country Link
EP (1) EP3017108B1 (en)
CY (1) CY1124598T1 (en)
DK (1) DK3017108T3 (en)
ES (1) ES2895303T3 (en)
HR (1) HRP20211549T1 (en)
HU (1) HUE056839T2 (en)
LT (1) LT3017108T (en)
PL (1) PL3017108T3 (en)
PT (1) PT3017108T (en)
RS (1) RS62424B1 (en)
SI (1) SI3017108T1 (en)
WO (1) WO2015001199A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136865A (en) * 1936-10-22 1938-11-15 Malcolm W Reed Wire rope
US5269128A (en) * 1988-05-19 1993-12-14 Bridon Plc Wire ropes with cores having elliptically curved grooves thereon
US5669214A (en) * 1994-10-11 1997-09-23 Fatzer Ag Stranded wire rope or cable having multiple stranded rope elements, strand separation insert therefor and method of manufacture of the wire rope or cable
FR2769027B3 (en) * 1997-09-26 1999-09-03 Trefileurope TWIST CABLE AND MANUFACTURING METHOD THEREOF
GB2332454B (en) * 1997-12-19 2000-02-16 Bridon Plc Rope for conveying systems
WO2013156689A1 (en) * 2012-04-20 2013-10-24 Arcelormittal Wire France Hauling rope comprising a one-piece core

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2015001199A1 *

Also Published As

Publication number Publication date
EP3017108B1 (en) 2021-09-29
DK3017108T3 (en) 2021-10-25
ES2895303T3 (en) 2022-02-18
PT3017108T (en) 2021-11-05
CY1124598T1 (en) 2022-07-22
SI3017108T1 (en) 2022-01-31
WO2015001199A1 (en) 2015-01-08
HRP20211549T1 (en) 2022-01-07
PL3017108T3 (en) 2022-01-31
HUE056839T2 (en) 2022-04-28
RS62424B1 (en) 2021-10-29
LT3017108T (en) 2021-12-10

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