EP2673415B1 - Procédé de réalisation d'un toron ou d'un câble comprenant un revêtement thermoplastique, toron ou câble obtenu avec ce procédé et dispositif de cablage comprenant des moyens de revêtement thermoplastique - Google Patents

Procédé de réalisation d'un toron ou d'un câble comprenant un revêtement thermoplastique, toron ou câble obtenu avec ce procédé et dispositif de cablage comprenant des moyens de revêtement thermoplastique Download PDF

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Publication number
EP2673415B1
EP2673415B1 EP12717587.5A EP12717587A EP2673415B1 EP 2673415 B1 EP2673415 B1 EP 2673415B1 EP 12717587 A EP12717587 A EP 12717587A EP 2673415 B1 EP2673415 B1 EP 2673415B1
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EP
European Patent Office
Prior art keywords
matrix material
fibres
sheathing
strand
stranding
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.)
Active
Application number
EP12717587.5A
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German (de)
English (en)
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EP2673415A2 (fr
Inventor
Bruno LAUER
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.)
Casar Drahtseilwerk Saar GmbH
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Casar Drahtseilwerk Saar GmbH
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Publication of EP2673415A2 publication Critical patent/EP2673415A2/fr
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Publication of EP2673415B1 publication Critical patent/EP2673415B1/fr
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    • 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
    • D07B7/02—Machine details; Auxiliary devices
    • D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
    • 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
    • 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
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/12—Making ropes or cables from special materials or of particular form of low twist or low tension by processes comprising setting or straightening treatments
    • 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
    • D07B7/02—Machine details; Auxiliary devices
    • D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
    • D07B7/145—Coating or filling-up interstices
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/005—Composite ropes, i.e. ropes built-up from fibrous or filamentary material and 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
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
    • 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
    • D07B1/142—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 ropes or rope components built-up from fibrous or filamentary material
    • 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
    • D07B2201/2001—Wires or filaments
    • D07B2201/201—Wires or filaments characterised by a coating
    • D07B2201/2012—Wires or filaments characterised by a coating comprising polymers
    • 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
    • D07B2201/2042—Strands characterised by a coating
    • D07B2201/2044—Strands characterised by a coating comprising polymers
    • 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
    • D07B2201/2046—Strands 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
    • D07B2201/2055—Cores characterised by their structure comprising filaments or fibers
    • D07B2201/2057—Cores characterised by their structure comprising filaments or fibers 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
    • D07B2201/2071—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
    • D07B2201/2071—Spacers
    • D07B2201/2074—Spacers in radial 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
    • D07B2201/2079—Fillers characterised by the kind or amount of filling
    • D07B2201/2081—Fillers characterised by the kind or amount of filling having maximum filling
    • 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
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2087—Jackets or coverings being of the coated type
    • 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
    • D07B2201/2083—Jackets or coverings
    • D07B2201/209—Jackets or coverings comprising braided structures
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/10—Natural organic materials
    • 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
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons
    • D07B2205/205—Aramides
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/30—Inorganic materials
    • D07B2205/3003—Glass
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/30—Inorganic materials
    • D07B2205/3007—Carbon
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/30—Inorganic materials
    • D07B2205/3021—Metals
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2207/00—Rope or cable making machines
    • D07B2207/40—Machine components
    • D07B2207/4018—Rope twisting devices
    • D07B2207/4022—Rope twisting devices characterised by twisting die specifics
    • D07B2207/4027—Rope twisting devices characterised by twisting die specifics including a coating die
    • 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
    • D07B2401/2005—Elongation or elasticity
    • D07B2401/201—Elongation or elasticity regarding structural elongation
    • 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
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/007—Making ropes or cables from special materials or of particular form comprising postformed and thereby radially plastically deformed elements

Definitions

  • the invention relates to a method for producing a strand or a rope, in which fibers and / or wires are stranded at a stranding point to the strand or the rope.
  • the invention further relates to a device for carrying out the method and a producible by the method rope.
  • WO 2008/141623 A2 From the WO 2008/141623 A2 are combined strands and combined ropes are known, which have a core of high-strength plastic fibers and an outer layer of steel wires or steel wire strands. On the cores of plastic fibers, a sheath is arranged, are held by means of the monofilament bundles of the cores in an expanded state.
  • the core comprises a twisted fiber yarn or twisted filaments with a sheathing of a matrix material, as well as a braid embedded in the sheath.
  • the WO 2004/029343 A1 describes an elevator belt assembly comprising a plurality of stretched plastic ropes and comprising a urethane sheath overlying the plastic ropes which holds the plastic ropes in the stretched condition.
  • From the EP 1 103 653 A1 is a method for producing a rope or a strand which consist of a combination of carrying plastic fibers and a plastic plastic fibers at least partially surrounding thermoplastic.
  • the individual elements of the rope or the strand are heated before or during the stranding at least to near the state of plastication and subsequently cooled to a solidification temperature of the plastic until it leaves a stranding device.
  • the stranding device has a Heating device which acts on the individual elements and a cooling device which is arranged in the processing direction after the heating device.
  • a method for producing a prestressed concrete strand which is coated for protection against rusting is disclosed in US Pat WO 2008/093651 A1 described. At least one core wire in each single strand forming a twisted steel wire is preheated immediately before a rotational position, and a rust preventive material formed of a molten thermoplastic resin is supplied at a stranding point to close the spaces between the single strands of the steel twisted wire to fill. After stranding, the prestressed concrete strand is heated and the peripheral portion of the steel is covered with the antirust material.
  • strands and ropes are also made, the high-strength plastic fibers from e.g. Aramid have.
  • Such strands and ropes have a high strength in relation to their weight and their volume.
  • the plastic fiber ropes are used in climbing sports for securing mountaineers.
  • the advantage also has an effect on the use of the plastic fibers in long-length wire ropes for hanging use, e.g. for ropes in mining or deep-sea ropes, positive.
  • the weight of the wire ropes itself already claimed a large part of their carrying capacity; the payload is limited accordingly.
  • plastic fibers have a very high degree of rigidity in their longitudinal direction, but only a very small one across them and therefore a considerable risk of breakage under appropriate load.
  • the plastic fiber ropes used to secure mountaineers typically have a core-shell structure in which the core is made of one another stranded fiber strands exists.
  • the stranded fiber strands are protected from damage by a sheath that is braided around them and holds them together.
  • a core rope consists of the high-strength synthetic fibers and outer strands of steel wire.
  • a coat of thermoplastic material, on which the steel wire strands are stranded is also produced.
  • the invention has for its object to provide a method of the type mentioned, with which can be produced strands or ropes, which have over the known strands or ropes improved mechanical properties.
  • the object is achieved with respect to the stranded wire by the method according to claim 1 and with respect to the rope by the method according to claim 2.
  • a strand or a rope can be produced in which the fibers or, if the fibers exist as monofilament bundles, the monofilament bundles or the wires in the strand or in the rope are surrounded by the matrix material and spaces between the wound to the strand or rope wound fibers, monofilament bundles or wires are filled with the matrix material.
  • the strands or ropes have particularly advantageous properties if the fibers, the monofilament bundles or the wires are completely surrounded by the matrix material at least in those sections of the strand or rope in which they are not located on the strand or rope surface. It is thus possible to produce a particularly homogeneous strand or a particularly homogeneous rope.
  • the strand or the rope can be coated simultaneously with the matrix material.
  • the matrix material protects the fibers or the wires, connects them together and transfers forces to them.
  • a composite rope with improved mechanical properties is created.
  • the choice of matrix material can advantageously influence the mechanical properties of the strand or of the rope.
  • the strength is greater in choosing a high strength matrix material than in choosing a low strength matrix material.
  • each of the monofilament bundles is covered with the matrix material and embedded in the matrix material during stranding, wherein each monofilament bundle remains surrounded by the matrix material.
  • Dependent u.a. from the viscosity of the matrix material and from the wetting properties of the matrix material on the fiber material, individual monofilaments of the monofilament bundles lying outside the monofilament bundle may also be surrounded by the matrix material at least in the monofilament bundle.
  • the monofilament bundles and possibly the individual fibers are separated from one another by the matrix material, so that a mutual load in the direction perpendicular to their longitudinal direction is reduced. The risk of breakage is considerably reduced.
  • the strands or ropes are more resistant and have a longer life compared to the known strands or ropes.
  • the fibers embedded in the matrix material may form a core of a combined strand having an outer layer of steel wire.
  • the embedded fibers may be a core rope of the rope and the rope may have an outer layer of strands, preferably of steel wire strands or of said combined strand with the core of the fibers and the outer layer of the steel wire.
  • the strand or rope is completely embedded in the matrix material.
  • the matrix material then forms a sheath and thus a protection to the outside.
  • it may serve as the strand or the core rope of surrounding strands.
  • the rope can also be produced from wires and / or fibers already stranded into strands.
  • the strands to be stranded are embedded in the matrix material, wherein the matrix material can fill in any cavities present in the strands.
  • strands made by the method described can be used.
  • Ropes with a core-shell structure can be produced more easily by means of the method. While it was previously necessary to embedding the core rope to carry out the process in two process steps, namely first the sheathing of the core rope and the subsequent stranding of the strands on it, this can be carried out by means of the method according to the invention in a single process step.
  • a means for occupying the fibers or wires to a stranding device is provided, with which both the core rope can be produced as well as the strands can wind on the core rope (tandem stranding machine).
  • the core rope is covered with at least the stranding of the strands with the matrix material.
  • the fibers, wires and / or strands used to make the core rope are already embedded in the matrix material.
  • a, preferably heatable, container for receiving the liquefied matrix material is provided, which encloses the fibers and / or monofilament bundles before and at the stranding point.
  • a spraying device for spraying the liquefied matrix material may be provided.
  • the device for carrying out the method, at least in the area in which the matrix material is sprayed, is provided with a protective wall which closes the device to the outside in order to prevent sprayed matrix material from entering the environment.
  • a space formed by the protective wall can be provided with a trigger and a corresponding filter.
  • the container or the spraying device is connected to an extruder, by means of which the matrix material is liquefied and moved to the spraying device or to the container.
  • a device for measuring the temperature of the container is provided to ensure that the container is heated so that the matrix material remains liquid in the container.
  • the temperature can also change the viscosity of the matrix material and influence the wetting on the fibers or wires.
  • the container has a rotatable side wall provided with openings through which the fibers and / or monofilament bundles are guided to the stranding point.
  • the rotatable side wall is rotatable at the same rotational speed as a rotor, over which the fibers and / or monofilament bundles are guided to the stranding point.
  • the openings are provided with seals which prevent the matrix material from coming out of the container.
  • a further opening is provided, through which the formed strand or the rope formed is to be guided.
  • the rotatable side wall and the rotor are interconnected.
  • the rotor guides the sidewall during rotation.
  • the container is closed except for the said openings.
  • the matrix material may be in the container under elevated pressure, so that it can better wet the fibers or better penetrate into any existing cavities.
  • the strand or rope is used to solidify the matrix material, preferably in air or in a cooling liquid, e.g. Water, cooled.
  • a calibration ring is arranged in the container, through the opening of which the strand to be formed or the rope to be formed is pulled during stranding.
  • the fibers and / or monofilament bundles of the strand or rope can already be brought into the intended form within the container.
  • the further opening of the container has a larger diameter than the opening of the Kalibrierrings. It can then apply a sheathing of the matrix material already at the stranding on the strand or the rope. This is possible in particular if the matrix material has such a toughness at the said further opening that it retains its shape after it leaves the opening.
  • the container is expediently provided at the end, on which the formed strand or the cable formed is drawn out, with a pipe section having a larger inner diameter than the opening of the Kolibrierrings and in which the matrix material cools and solidifies.
  • the pipe section may be provided with a cooling device, e.g. a water cooling, be provided.
  • the fibers will be stretched during stranding, embedding in the matrix material and cooling of the matrix material until solidified, such that the fibers are held by the matrix material in a position which they occupy in the stretched state.
  • the fibers will be stretched so far that they are brought into a position that they take on load absorption, preferably such that so far that they are stretched plastically when loaded by the strand or the rope directly in accordance with Hooke's Law.
  • the load bearing can be improved by this measure.
  • the actual load absorption of non-pre-stretched strands or ropes of fibers begins only with a delay, because the fibers first "set" each load, i. E. have to find a final spatial allocation to form a stable cross-section. This applies in particular also to monofilament bundles of existing plastic fibers. If the fibers are already stretched during the stranding and held in the elongation until the matrix material has solidified, they are held in the stretched state by the matrix material. The fibers are frozen in the stretched state.
  • the elongation behavior of the core rope can be adapted to the expansion behavior of the wire strands in a cable construction of a core of fibers and strands of steel and thus take over the core rope a significant proportion of a load.
  • the sheath which is preferably formed by a braid, is applied under tension, it may serve to hold or at least assist the fibers in the pretensioned state described above.
  • sheathing is also embedded in the matrix material, a particularly good bond between the fibers and the sheathing can be achieved.
  • a particularly strong bond can be achieved if the braiding is formed of fibers of different thicknesses and / or if it is formed with stitches, the matrix material penetrates the meshes.
  • FIG. 1 illustrated apparatus for producing ropes or strands has a rotor 9, are guided over the twisted monofilament bundle 2 of aramid fibers to a stranding point 3.
  • coils are arranged in a conventional manner, on which the monofilament bundles 2 are wound.
  • the monofilament bundles 2 are continuously unwound from the bobbins while the rotor 9 rotates in the direction of the arrow P.
  • the monofilament bundles 2 are stranded in a manner known per se to form a rope 20.
  • rollers 15 the rope 20 is pulled away from the stranding point 3 and rolled up on a cable drum.
  • At Verseiltician 3 encloses a closer in Fig. 2
  • the container 7 has a conical shape and is provided on its side facing the rotor 9 with a rotatable side wall 10 which is provided with a plurality of openings 11 and via a connecting web 16 with the Rotor 9 is rigidly connected. Through the openings 11, the twisted monofilament bundles 2 are guided from the rotor 9 to the stranding point 3.
  • Fig. 2 By way of example only four monofilament bundles 2 are shown. Depending on the application, different numbers of openings 11 can be provided for the respective number of monofilament bundles 2 to be stranded.
  • the device can be stranded stranded into a rope instead of the twisted Monofilbündel 2 already stranded. Furthermore, the Monofilbündel 2 can be stranded with already stranded strands.
  • a further opening 12 is provided, through which the cable 20 is led out of the container 7.
  • the opening 12 has a diameter corresponding to the diameter of the to be formed Rope 20 corresponds.
  • another shape is also conceivable, preferably an asymmetric, angled, oval or polygonal, eg triangular, quadrangular or pentagonal shape, or the shape of a circular section, eg a semicircle or a three-quarter circle.
  • the container 7 is connected via a heated tube 13 with an extruder 8, by means of which continuously liquefied polypropylene and the container 7 is supplied.
  • the polypropylene 4 remains liquid in the container 7
  • the container 7 is provided on its lateral surface with heating tapes, not shown here, with which it can be heated to 200 to 300 ° C.
  • a temperature sensor is provided in the container.
  • the monofilament bundles 2 are pulled continuously to the stranding point 3.
  • the side wall 10 is rotated at a rotation of the rotor 9 through the connecting web 16 at the same rotational speed, so that the Monofilbündel 2 are continuously fed through the openings 11 to the stranding point 3.
  • the Monofilbündel 2 are already occupied before the stranding 3 with the polypropylene 4.
  • the stranding at the stranding point 3 takes place completely in the polypropylene 4.
  • the polypropylene 4 is continuously fed to the container by means of the extruder 8.
  • the formed rope is passed through the opening 12 from the container 7 in a water bath 14, in which the polypropylene 4 is cooled and solidifies.
  • the rope can be prestressed with a tensioning device, not shown here, for stretching it, for example, such that the monofilament bundles 2 occupy a position in the rope which they occupy under the load intended for use of the rope.
  • the monofilament bundles 2 are held by the polypropylene 4 in the stretched state occupied positions. They are frozen in the stretched state.
  • Fig. 6 shows a manufactured by the method described rope 20 made of aramid fibers. Several fiber strands 21, 22 wound from several twisted monofilament bundles were stranded into the cable 20. The monofilament bundles shown as black dots are surrounded by the polypropylene 4.
  • FIG. 3 An in Fig. 3
  • the device shown differs from that according to the Fig. 1 and 2 in that a connecting web 16a, which is connected to a rotor, is hollow inside and through the connecting web 16a, a core cable 23 is guided to the stranding point 3a.
  • the core cable 23 is stranded with outer strands 24 to form a cable 20a and thereby covered with polypropylene 4a as described above.
  • the device further comprises a braiding device 35, shown only schematically here, with which a braid 27 can be applied to the core cable 23 while being embedded in the polypropylene 4a. By braiding a braided rope 20a 'is formed from the rope 20a.
  • a device according to the invention which in the Fig. 4 and Fig. 5 7, in its box 7b has a sizing ring 30 formed by a ring fixed in the box 7b, through which a core rope 22b to be formed after fibers 2b are wound to the core rope 22b is drawn to give it its shape ,
  • a pipe section 31 is arranged on one side of the container 7b, on which the core cable 22b emerges from the container 7b.
  • the pipe section 31, in the wall of which a water cooling is provided, has a larger inner diameter than the opening of the calibrating ring 30.
  • the core rope 22b may be provided with a sheath 26 of polypropylene 4b on the fibers.
  • a combined rope 20a is shown having a core rope 22a corresponding to the rope 20 described above.
  • the core rope 22a is surrounded by a jacket 26 made of the matrix material forming polypropylene 4a.
  • steel strands 24 have been wound around the core rope 22a.
  • the steel strands have been pressed into the still soft matrix material 4a of the shell 26.
  • Fig. 4 shows schematically extensions of in Fig. 5 shown part of the device. Viewed in the stranding direction behind the pipe section 31, either a braiding device 26b is provided with which a braiding can be applied to the core cable 22b.
  • a further stranding device 36 is provided, with which outer strands 24b can be stranded by embedding the strands 24b in the matrix material 4b on the core rope 22b.
  • Fig. 8a is a strand 1 shown
  • the core strand 22b was prepared by the method according to the invention and consists of embedded in polypropylene aramid fiber strands.
  • Fig. 8b shows a strand 1 ', which is constructed as the one after Fig. 8a but, for example, by hammering, has been compacted.
  • An in Fig. 9 shown combined rope 20c has a core of three twisted and embedded in polypropylene fiber strands 21 c of monofilament bundles of aramid fibers, in the stranding during stranding 1 c have been pressed.
  • the outer strands 1, of which only a single one is shown in detail, have aramid fibers 23 embedded as core in polypropylene.
  • steel wire strands 24c are arranged around the aramid fibers 23.
  • Fig. 10 shows a combined rope 20d having a core rope embedded in polypropylene 4d.
  • the core rope comprises a core 21 d made of polypropylene embedded monofilament bundle 21 d of aramid fibers embedded therein steel wire strands 24d and wound around therefore another layer of steel wire strands 25.
  • On the polypropylene 4d sit outside strands 1 d, which have the same structure as above for the Strands 24c of the embodiment according to Fig. 9 described.
  • An in Fig. 11 Shown inventive combined rope 20e differs from the ropes of the previous embodiments in that also outer strands 1 e are completely embedded in a matrix material made of polypropylene 4e.
  • a core rope of the rope 20e has a core strand 32 on steel wire and wound around strands 24e, 25e, which have a core, not shown here, embedded in polypropylene aramid fibers.
  • the core strand 32 and the strands 24e, 25e are surrounded by a lubricant 33.
  • a cross section in Fig. 12 Shown rope can be produced when a braid 27 is placed on fibers 22f of a core rope with the above-mentioned braiding device 31 in the sheath 26 inside.
  • the braiding 27 embedded in the fibers 22f matrix material 4f and a good bond between the fibers on the one hand and the braid 27 on the other hand is achieved.
  • a sheath 26 of the matrix material 4f is formed.
  • 26 outer strands 24 g can be embedded in this jacket.

Landscapes

  • Ropes Or Cables (AREA)

Claims (15)

  1. Procédé pour la fabrication d'un toron (1) dans lequel, pour former un toron central, des fibres (2) et/ou des faisceaux monofilaires des fibres (2) sont revêtu(e)s, avant et/ou au niveau d'un point de toronnage (3) avec un matériau de matrice liquéfié (4) qui devient solide après le toronnage, puis sont toronné(e)s au niveau du point de toronnage (3) et sont niché(e)s dans le matériau de matrice (4) lors du toronnage, et un enrobage (27) du matériau de matrice (4) est rapporté sur le toron central et, après le toronnage du toron central (23c)
    a) une couche extérieure de fils d'acier (24c) est toronnée sur le toron central enrobé, le fil d'acier étant niché dans le matériau de matrice (4), ou
    b) un enrobage additionnel (27) est rapporté sur le toron central enrobé, et l'enrobage additionnel est niché dans le matériau de matrice (4).
  2. Procédé pour la fabrication d'un câble (20), dans lequel, pour former un câble central (22a ; 22b ; 21c ; 21d ; 21f ; 21g), des fibres ou des faisceaux monofilaires des fibres (2) sont revêtu(e)s, avant et/ou au niveau d'un point de toronnage (3) avec un matériau de matrice liquéfié (4) qui devient solide après le toronnage, puis sont toronné(e)s au niveau du point de toronnage (3) et sont niché(e)s dans le matériau de matrice (4) lors du toronnage, et un enrobage (26, 27) du matériau de matrice (4) est rapporté sur le câble central (22a ; 22b ; 21c ; 21d ; 21f ; 21g) et, après le toronnage
    a) une couche de torons (1c ; 1d ; 24g) est rapportée sur le câble central enrobé (22a ; 22b ; 21c ; 21d ; 21f ; 21g) et les torons sont nichés dans le matériau de matrice (4), et/ou
    b) un enrobage additionnel (27) est rapporté sur le câble central enrobé (22a ; 22b ; 21c ; 21d ; 21f ; 21g), et l'enrobage additionnel (27) est niché dans le matériau de matrice (4).
  3. Procédé selon la revendication 2,
    caractérisé en ce que pour la fabrication du câble (20) on utilise des torons (1) fabriqués au moyen du procédé selon la revendication 1.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce que le matériau de matrice (4) est une matière thermoplastique et le toron (1) ou le câble (20) est refroidi après le toronnage pour la solidification du matériau de matrice (4), de préférence à l'air ou dans un liquide de refroidissement, par exemple de l'eau.
  5. Procédé selon la revendication 4,
    caractérisé en ce que les fibres (2) sont allongées pendant leur toronnage et leur enfoncement dans le matériau de matrice (4) et pendant le refroidissement du matériau de matrice (4) jusqu'à sa solidification, de sorte que les fibres (2) sont maintenues par le matériau de matrice (4) dans une position qu'elles occupent dans l'état allongé.
  6. Procédé selon la revendication 5,
    caractérisé en ce que les fibres (2) sont allongées aussi loin qu'elles sont amenées dans une position qu'elles occupent lorsqu'elles encaissent une charge.
  7. Procédé selon l'une des revendications 1 à 6,
    caractérisé en ce que l'enrobage est formé par une tresse périphérique (27).
  8. Toron, qui inclut un toron central, qui comprend des fibres (2) et/ou des faisceaux monofilaires (21, 22) des fibres, en particulier toronnés, dans lequel les fibres (2) et/ou le faisceau monofilaire (21, 22) sont recouverts d'un matériau de matrice et sont nichés dans le matériau de matrice (4),
    caractérisé en ce que le matériau de matrice (4) forme un enrobage des fibres toronnées (2) et/ou du faisceau monofilaire toronné (21, 22), et une couche extérieure de fils d'acier est toronnée sur l'enrobage, lesdites fibres étant nichées dans l'enrobage.
  9. Câble, qui inclut un câble central, qui comprend des fibres (2) et/ou des faisceaux monofilaires (21, 22) des fibres, en particulier toronnés, dans lequel les fibres et/ou les faisceaux monofilaires (21, 22) sont revêtu(e)s d'un matériau de matrice (4) et sont niché(e)s dans le matériau de matrice (4), caractérisé en ce que le matériau de matrice (4) forme un enrobage des fibres toronnées (2) et/ou des faisceaux monofilaires toronnés (21, 22), et une couche de torons est toronnée sur l'enrobage, lesdits torons étant nichés dans l'enrobage.
  10. Câble selon la revendication 9,
    caractérisé en ce qu'un enrobage additionnel (27) est rapporté sur l'enrobage, qui est niché dans l'enrobage.
  11. Toron selon la revendication 8 ou câble selon la revendication 9 ou 10, caractérisé en ce que les fibres (2) dans le toron central (23b) et/ou dans le câble central (20a) sont allongées aussi loin qu'elles se trouvent dans une position qu'elles occupent lors d'une augmentation de la charge.
  12. Câble selon la revendication 10 ou selon les revendications 10 et 11, caractérisé en ce que l'enrobage additionnel (27) est un enrobage (27) qui entoure le câble central (20a) et qui le retient sous tension.
  13. Toron selon la revendication 8 ou 11, ou câble selon la revendication 9, 10, 11 ou 12,
    caractérisé en ce que
    les fibres (2) sont en matière plastique à haute résistance, de préférence en aramide, et/ou en ce que le matériau de matrice (4) comprend une matière thermoplastique, de préférence un polypropylène.
  14. Dispositif pour la fabrication d'un toron (1) ou d'un câble (20), qui comprend un système (5) pour l'amenée de fibres (2) et/ou de faisceaux monofilaires (21, 22), en particulier toronnés, des fibres (2) à un point de toronnage (3) ainsi que pour le toronnage des fibres (2) et/ou du faisceau monofilaire (21, 22) au niveau du point de toronnage (3) et un système (6) pour le revêtement des fibres (2) et/ou le faisceau monofilaire (21, 22) avant et/ou au niveau du point de toronnage (3) avec un matériau de matrice (4) liquéfié, prévu pour nicher les fibres (2) et/ou les faisceaux monofilaires (21, 22), qui inclut un récipient (7) pour la réception du matériau de matrice liquéfié (4), dans lequel le moyen d'amenée et de toronnage (5) inclut un rotor (9) au moyen duquel les fibres (2) et/ou le faisceau monofilaire de fibres est amené au point de toronnage (3), le récipient (7) comprend une paroi latérale (10) rotative, qui est dotée d'ouvertures (11), à travers lesquelles les fibres (2) et/ou le faisceau monofilaire (21, 22) doivent être guidé(e)s, et qui est capable de rotation avec la même vitesse de rotation que celle du rotor (9) qui amène les fibres (2) et/ou le faisceau monofilaire de fibres (21 ; 22), et en ce que, sur un côté du récipient (7) opposé à l'une des parois latérales rotatives (10), il est prévu une autre ouverture (12) à travers laquelle le toron formé (1) ou le câble formé (20) doit être guidé,
    caractérisé en ce que
    une bague de calibrage (30) est agencée dans le récipient (7d), de sorte que les fibres (2) et/ou les faisceaux monofilaires de fibres (21, 22) sont tiré(e)s lors du toronnage à travers son ouverture, et l'autre ouverture (12d) présente un diamètre plus élevé que l'ouverture de la bague de calibrage (20), afin de prévoir sur les fibres toronnées (2) et/ou sur les faisceaux monofilaires de fibres toronnées un enrobage à partir du matériau de matrice (4), et en ce que le dispositif
    a) comprend un autre système de toronnage (36), au moyen duquel des torons extérieurs (24b) peuvent être toronnés sur l'enrobage et peuvent être nichés dans l'enrobage, et/ou
    b) il est prévu un dispositif de tressage (35), au moyen duquel un enrobage additionnel (27) peut être rapporté sur l'enrobage et peut être niché dans le matériau de matrice.
  15. Dispositif selon la revendication 14,
    caractérisé en ce que
    le récipient (7d) est doté d'un tronçon de tube (31) à l'extrémité sur laquelle le toron formé (1) ou le câble formé (20) est extrait, avec une portion de tube (31) qui présente un diamètre intérieur plus grand que l'ouverture de la bague de calibrage (30), et qui est de préférence doté d'un système pour le refroidissement du matériau de matrice (4).
EP12717587.5A 2011-02-12 2012-02-13 Procédé de réalisation d'un toron ou d'un câble comprenant un revêtement thermoplastique, toron ou câble obtenu avec ce procédé et dispositif de cablage comprenant des moyens de revêtement thermoplastique Active EP2673415B1 (fr)

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DE102011011112A DE102011011112A1 (de) 2011-02-12 2011-02-12 Verfahren zur Herstellung einer Litze oder eines Seils
PCT/DE2012/200008 WO2012107042A2 (fr) 2011-02-12 2012-02-13 Procédé de réalisation d'un toron ou d'un câble

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EP (1) EP2673415B1 (fr)
KR (1) KR101934130B1 (fr)
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CA (1) CA2827550C (fr)
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DE102011011112A1 (de) 2012-08-16
DE112012000140A5 (de) 2013-07-04
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EP2673415A2 (fr) 2013-12-18
KR101934130B1 (ko) 2018-12-31
WO2012107042A2 (fr) 2012-08-16
AU2012214002A1 (en) 2013-09-12
US9657439B2 (en) 2017-05-23
US20140069074A1 (en) 2014-03-13
ZA201306683B (en) 2014-11-26
CA2827550C (fr) 2018-12-11
CA2827550A1 (fr) 2012-08-16
AU2012214002B2 (en) 2016-12-15

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