EP0995832A2 - Laid synthetic fibre rope - Google Patents

Laid synthetic fibre rope Download PDF

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Publication number
EP0995832A2
EP0995832A2 EP99120587A EP99120587A EP0995832A2 EP 0995832 A2 EP0995832 A2 EP 0995832A2 EP 99120587 A EP99120587 A EP 99120587A EP 99120587 A EP99120587 A EP 99120587A EP 0995832 A2 EP0995832 A2 EP 0995832A2
Authority
EP
European Patent Office
Prior art keywords
strands
strand layer
rope
synthetic fiber
strand
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
EP99120587A
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German (de)
French (fr)
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EP0995832B1 (en
EP0995832A3 (en
Inventor
Claudio Dipl.-Ing. De Angelis
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Inventio AG
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Inventio AG
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Publication date
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Priority to EP99120587A priority Critical patent/EP0995832B1/en
Publication of EP0995832A2 publication Critical patent/EP0995832A2/en
Publication of EP0995832A3 publication Critical patent/EP0995832A3/en
Application granted granted Critical
Publication of EP0995832B1 publication Critical patent/EP0995832B1/en
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Classifications

    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/16Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/165Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/06Arrangements of ropes or cables
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/02Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/025Ropes 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
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/16Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/10Rope or cable structures
    • D07B2201/1012Rope or cable structures characterised by their internal structure
    • D07B2201/1016Rope or cable structures characterised by their internal structure characterised by the use of different strands
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/10Rope or cable structures
    • D07B2201/1012Rope or cable structures characterised by their internal structure
    • D07B2201/102Rope or cable structures characterised by their internal structure including a core
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/10Rope or cable structures
    • D07B2201/1028Rope or cable structures characterised by the number of strands
    • D07B2201/1036Rope or cable structures characterised by the number of strands nine or more strands respectively forming multiple layers
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/10Rope or cable structures
    • D07B2201/104Rope or cable structures twisted
    • D07B2201/1064Rope or cable structures twisted characterised by lay direction of the strand compared to the lay direction of the wires in the strand
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/10Rope or cable structures
    • D07B2201/104Rope or cable structures twisted
    • D07B2201/1064Rope or cable structures twisted characterised by lay direction of the strand compared to the lay direction of the wires in the strand
    • D07B2201/1068Rope or cable structures twisted characterised by lay direction of the strand compared to the lay direction of the wires in the strand having the same lay direction
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/10Rope or cable structures
    • D07B2201/104Rope or cable structures twisted
    • D07B2201/1076Open winding
    • D07B2201/108Cylinder winding, i.e. S/Z or Z/S
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/20Rope or cable components
    • D07B2201/2071Spacers
    • D07B2201/2074Spacers in radial direction
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2205/00Rope or cable materials
    • D07B2205/20Organic high polymers
    • D07B2205/2046Polyamides, e.g. nylons
    • D07B2205/205Aramides
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2501/00Application field
    • D07B2501/20Application field related to ropes or cables
    • D07B2501/2007Elevators

Definitions

  • the invention relates to a synthetic fiber rope, preferably made of aromatic polyamide, according to the preamble of claim 1.
  • Ropes are particularly useful in conveyor technology, such as B. at Elevators, in crane construction and in opencast mining, an important strong stressed machine element. It is particularly complex Stress on driven ropes, such as in Elevator construction can be used.
  • the car frame is one in a elevator shaft guided cabin and a counterweight connected by a steel cable.
  • the rope runs over a Traction sheave which is driven by a drive motor.
  • the drive torque is in frictional engagement over the Wrap angle stamped on the rope section.
  • the rope is exposed to great transverse tension.
  • High-strength synthetic fiber ropes for example made of aromatic polyamides or aramids with high grade oriented molecular chains better meet these requirements as steel cables.
  • Ropes made of aramid fibers show the same thing Cross section compared to conventional steel cables much higher load capacity and only a fifth to Sixth of the specific weight. In contrast to steel has the aramid fiber due to its atomic structure low elongation at break and low transverse strength.
  • the invention has for its object the disadvantages of to avoid known synthetic fiber rope and a synthetic fiber rope to be specified with a rotation-neutral structure.
  • the inner strand layer made of strands of different diameters.
  • An alternating one Arrangement of large-diameter and small-diameter strands results in a strand layer with an almost circular cross section and a high degree of filling.
  • the strands are tight to each other and support each other, which is a very compact and there is tight stranding on the traction sheave little deformed and shows no tendency to open.
  • the lifespan of strands stranded in parallel be increased if, for example, with a two-layer Parallel lay stranding the direction of rotation of the fibers of strands a strand layer opposite to the direction of rotation of the fibers of strands of the other strand layer is provided.
  • An advantageous distribution of the on as a rope used synthetic fiber rope forces on the Overall cross section of the strands is according to a preferred one Embodiment of the invention achieved in that the outside underlying strands and the strands of the inner strand layer underneath a lay length ratio of 1.5 to 1.8 with each other are stranded. When the rope is loaded, this results in a homogeneous tension distribution on all high-strength strands. All strands contribute to the tensile strength of the rope, which results in high fatigue strength and overall high Rope lifespan result.
  • FIG 1 shows a schematic representation of an elevator system with a 2: 1 suspension over two pulleys 2,3.
  • Rope end connections 4 for the elevator rope 1 are in this Arrangement not on the cabin 5 and on the counterweight 6, but attached to the upper shaft end 7.
  • the deflection of the cabin 5 and counterweight 6 loaded elevator ropes 1 via the two pulleys 2 and 3 and the traction sheave 8.
  • FIG 2 is a first embodiment of the Elevator rope 1 according to the invention shown.
  • strands 9, 10, 11, 12 are used individual aramid fibers twisted or beaten.
  • Each Aramid fiber, as well as the strands 9, 10, 11, 12 themselves to protect the fibers with an impregnating agent, e.g. Treated polyurethane solution.
  • the polyurethane content can depending on the desired bending alternating power e.g. between ten and sixty percent lie.
  • the elevator rope 1 is made up of a core strand 9 to the in a first lay direction 13 five identical strands 10 one first strand layer 14 are placed helically, and with which ten strands 10, 11 of a second strand layer 15 in Parallel strike under a balanced relationship between Fiber and strand twist twist are stranded.
  • the aramid fibers can be in the same or opposite direction be beaten like the strands of the strand of them belong to. With the same stroke direction, a better one Cohesion of the stranding achieved in the unloaded state. An increase in life is possible if the Direction of rotation of the fibers of the first strand layer 13 opposite to the direction of rotation of the fibers of strands 10, 11 of the second strand layer 16 or vice versa.
  • the second strand layer 16 consists of an alternating one Arrangement of two types of five identical strands 10 each, 11 together. Five strands 11 with a larger diameter are located helical in the valleys of the first bearing them Strand 14, while five strands 10 with the diameter of Strands 10 of the first strand layer 14 on the crests 17 of them bearing first strand layer 14 and thereby the gaps 18th between two neighboring strands of larger diameter Fill in 11. In this way, it gets double parallel stranded rope core 19 a second strand layer 16 with almost cylindrical outer contour, the one described below Offers advantages in cooperation with an intermediate jacket 20.
  • the Lay length ratio of the outer strands 12 with the Strands 10, 11 of the inner strand layers 14, 16 is in the illustrated embodiment 1.6. Basically is a Lay length ratio of the counter lay stranding in the range of 1.5 to 1.8 advantageous. This essentially results in a identical pitch angle of the helical Strands 10, 11 of the inner second strand layers 14, 16 and Strands 12 of the cover strand layer 21 with a permissible deviation in a range of +/- 2 degrees.
  • the stranding of the Cover strand layer 21 builds a torque under load, which in Direction against the second direction of rotation 15 rotates.
  • the intermediate jacket 20 envelops the second strand layer 16 in a tubular manner and prevents it a contact of the strands 10, 11 with the strands 12. On this In this way he avoids wear of the strands 10, 11, 12 by rubbing against each other while running the Elevator ropes 1 over the traction sheave 8 and this Relative displacement of the strands 10, 11, 12 among themselves.
  • the Intermediate jacket 20 is Transmission of the load on the elevator rope 1 in the Cover strand layer 21 built-up torque to the second Strand layer 16 and thus on the rope core 19, the Parallel stranding with first lay direction 13 below Longitudinal loading of the rope 1 to the direction of lay builds up opposite torque.
  • This is the Intermediate jacket 20 made of an elastically deformable material, such as As polyurethane or polyester elastomers on the stranded rope core 9 sprayed or extruded. Under the centrically acting lacing force of the cover strand layer 21 is the Intermediate jacket 20 is elastically deformed, being close to the Circumferential jacket contours of the strand layers 16 and 21 creates and fills all gaps 22.
  • the thickness 23 of the intermediate jacket 20 is with increasing diameter of the strands 12 or Strands 9 and 10 larger to choose. In any case, the thickness 23 of the intermediate jacket 20 to be dimensioned so that in loaded state, after the flow process has been completed, that is with completely filled strand spaces 22 a Residual sheath thickness of 0.1 mm between strands 10, 11 and 12 of adjacent strand layers 16 and 21 is ensured.
  • the elastically deformed intermediate jacket 21 causes even torque transmission over the entire Circumferential surface of the second strand layer 16. This is the Lacing force of the cover strand layer 21 and the torque of the Cover strand layer 21 not primarily on the crests as previously 17 individual strands, but distributed over a large area entire circumferential surface. Force peaks are avoided and instead, smaller, area-based ones appear Surface forces.
  • the volume of the strand spaces 22 can due to the alternating arrangement of diameters 11 and smaller diameter strands 10 of the second strand layer 16 be minimized.
  • Another training variant is the second strand layer 16 not encased as a whole with an intermediate layer, but the strands 10, 11 and / or 12 individually with a sheath made of plastic with appropriate elastic properties envelop. This is as high as possible Pay attention to the coefficient of friction of the jacket material.
  • the cable sheath 25 As a protective covering for the aramid fiber strands is a Cable sheath 25 is provided.
  • the cable sheath 25 consists of Plastic, preferably polyurethane and ensures that desired coefficient of friction u to the traction sheave 8. Furthermore, the Abrasion resistance of the plastic jacket is also a strict one Demand, because when the elevator rope runs over the traction sheave 8 no damage occurs.
  • the cable sheath 25 goes with the cover strand layer 21 has such a good bond, that he runs when the elevator rope 1 over the traction sheave 8 and the imprinted thrust and pressure forces between the two no relative movement takes place.
  • each individual strand 12 can also have a separate, completely closed jacket 26 may be provided.
  • the further construction of the elevator rope 1 remains unchanged.
  • FIG. 3 shows a cross-sectional view of the structure of a second embodiment of the inventive Counter-lay rope in unloaded condition.
  • strands 27 are one Top strand layer 28 in counter-lay with a rope core 29 stranded.
  • the cover strand layer 28 comprises thirteen strands 12 and is covered by a rope sheath 30.
  • Between the Cover strand layer 28 and the cable core 29 is an intermediate sheath 31 appropriate.
  • the intermediate jacket 31 lies against the adjacent outer surfaces of the top strand layer 28 and the Rope core 29 and fills the spaces 32 between the strands 27 completely.
  • dimensions and Function of the intermediate jacket 31 applies to the intermediate jacket 20 of the first exemplary embodiment.
  • the rope core 29 is made up of three strands 33, 34, 35 of different thicknesses made of aramid fibers, with three strands 33 forming a core rope to the strands 34 and 35 around in alternating order are stranded in parallel lay.
  • each counter-strike to which they bearing strand layer stranded top strand layers coaxial are provided to each other.
  • multiple stranded Stranded layers are formed.
  • the rope can also be used use a wide variety of conveyor systems, e.g. For Elevators, mine hoists in mining, load cranes such as construction, Hall or ship cranes, cable cars and ski lifts as well as Traction devices for escalators.
  • the drive can both by Friction over traction sheaves or Koeppe sheaves as well by rotating rope drums on which the rope is wound will be done.
  • Under conveyor rope is a running, to understand driven rope, sometimes as a pull or Carrier rope is called.

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  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Ropes Or Cables (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Insulated Conductors (AREA)

Abstract

Synthetic fiber cable, comprises load bearing strand layers (14, 16) twisted in the opposite direction to outer strand layers (21). Synthetic fiber cable comprises load bearing synthetic fibre strands (10, 11, 12) twisted together to form concentric strand layers (14, 16). The strands (12) of an outer layer (21) are twisted in the opposite direction to those of the adjacent inner layer (16).

Description

Die Erfindung betrifft ein Kunstfaserseil, vorzugsweise aus aromatischem Polyamid, nach dem Oberbegriff des Anspruchs 1.The invention relates to a synthetic fiber rope, preferably made of aromatic polyamide, according to the preamble of claim 1.

Seile sind insbesondere in der Fördertechnik, wie z. B. bei Aufzügen, im Kranbau und im Tagebau, ein wichtiges stark beanspruchtes Maschinenelement. Besonders vielschichtig ist die Beanspruchung von getriebenen Seilen, wie sie beispielsweise im Aufzugsbau verwendet werden.Ropes are particularly useful in conveyor technology, such as B. at Elevators, in crane construction and in opencast mining, an important strong stressed machine element. It is particularly complex Stress on driven ropes, such as in Elevator construction can be used.

Bei herkömmlichen Aufzugsanlagen sind der Kabinenrahmen einer in einem Aufzugsschacht geführten Kabine und ein Gegengewicht über ein Stahlseil miteinander verbunden. Um die Kabine und das Gegengewicht zu heben und zu senken, läuft das Seil über eine Treibscheibe, die von einem Antriebsmotor angetrieben ist. Das Antriebsmoment wird unter Reibschluss dem jeweils über den Umschlingungswinkel anliegenden Seilabschnitt aufgeprägt. Dabei ist das Seil grosser Querspannung ausgesetzt. Beim Umlenken des Seils auf der Treibscheibe unter Last führen die Litzen Relativbewegungen aus, um Zugspannungsunterschiede auszugleichen.In conventional elevator systems, the car frame is one in a elevator shaft guided cabin and a counterweight connected by a steel cable. To the cabin and that To lift and lower the counterweight, the rope runs over a Traction sheave which is driven by a drive motor. The The drive torque is in frictional engagement over the Wrap angle stamped on the rope section. Here the rope is exposed to great transverse tension. When redirecting the Ropes on the traction sheave under load guide the strands Relative movements out to tension differences balance.

Bei Aufzugsanlagen sind grosse Seillängen notwendig und es besteht aus energetischen Gründen die Forderung nach möglichst kleinen Massen. Hochfeste Kunstfaserseile, beispielsweise aus aromatischen Polyamiden oder Aramiden mit hochgradig orientierten Molekülketten erfüllen diese Anforderungen besser als Stahlseile.Large rope lengths are necessary for elevator systems and it for energetic reasons there is a demand for small crowds. High-strength synthetic fiber ropes, for example made of aromatic polyamides or aramids with high grade oriented molecular chains better meet these requirements as steel cables.

Aus Aramidfasern aufgebaute Seile weisen bei gleichem Querschnitt im Vergleich zu herkömmlichen Stahlseilen eine wesentlich höhere Tragfähigkeit und nur ein Fünftel bis Sechstel des spezifischen Gewichts auf. Im Gegensatz zu Stahl hat die Aramidfaser aufgrund ihres atomaren Aufbaus jedoch eine geringe Bruchdehnung und eine geringe Querfestigkeit.Ropes made of aramid fibers show the same thing Cross section compared to conventional steel cables much higher load capacity and only a fifth to Sixth of the specific weight. In contrast to steel has the aramid fiber due to its atomic structure low elongation at break and low transverse strength.

Um die Aramidfasern folglich beim Lauf über die Treibscheibe möglichst geringen Querspannungen auszusetzen, wird in der EP 0 672 781 A1 beispielsweise ein als Treibseil geeignetes Aramidfaserseil vorgeschlagen. Zwischen der äussersten und inneren Litzenlage ist ein Zwischenmantel angebracht, der einen Kontakt der Litzen unterschiedlicher Lagen verhindert und dadurch den Verschleiss durch Aneinanderreiben mindert. Das insoweit erläuterte vorbekannte Aramidseil bietet hinsichtlich Lebensdauer, hoher Abriebfestigkeit und Biegewechselfestigkeit zufriedenstellende Werte; allerdings ist festgestellt worden, dass die Möglichkeit besteht, dass in dem permanent belasteten Treibseil bedingt durch die Parallelverseilung über eine von der Treibscheibe ausgehende Teillänge ein inneres Drehmoment wirkt und die Seilteillänge sich beim Lauf über die Treibscheibe um die Längsachse dreht oder aufdreht. In Folge der dabei wirkenden Belastung kann es zu Gefügeveränderungen kommen, die dann zu Überschusslängen einzelner äusserer Litzen führen. Die Überschusslängen werden bei wiederholten Läufen des Seilteilstückes über die Treibscheibe im Seil weitertransportiert. Eine solche Veränderung des konstruktiven Aufbaus des Seils ist unerwünscht, weil sie zu einer Seilbuchkraftminderung oder gar zum Ausfall des Seils führen könnte.So the aramid fibers when running over the traction sheave The lowest possible transverse stresses are used in the EP 0 672 781 A1, for example, one suitable as a traction rope Aramid fiber rope proposed. Between the extreme and an inner sheath is attached to the inner layer of strands Prevents contact of the strands of different layers and thereby reducing wear by rubbing against each other. The so far known aramid rope offers regarding Service life, high abrasion resistance and fatigue strength satisfactory values; however, it has been found that there is a possibility that in the permanently charged Driving rope due to the parallel stranding over one of part of the traction sheave an internal torque works and the length of the rope runs over the Traction sheave turns or turns around the longitudinal axis. As a result The resulting stress can lead to structural changes which then lead to excess lengths of individual outer strands to lead. The excess lengths are repeated runs of the Rope section over the traction sheave in the rope transported on. Such a change in the constructive Building the rope is undesirable because it becomes one Reduce the rope book force or even lead to the failure of the rope could.

Der Erfindung liegt die Aufgabe zugrunde, die Nachteile des bekannten Kunstfaserseils zu vermeiden und ein Kunstfaserseil mit drehungsneutralem Aufbau anzugeben.The invention has for its object the disadvantages of to avoid known synthetic fiber rope and a synthetic fiber rope to be specified with a rotation-neutral structure.

Diese Aufgabe wird erfindungsgemäss durch ein Kunstfaserseil mit den im Patentanspruch 1 angegebenen Merkmalen gelöst. According to the invention, this object is achieved by a synthetic fiber rope solved with the features specified in claim 1.

Die durch die Erfindung erzielten Vorteile bestehen darin, dass die unter Last entstehenden, durch den Seilaufbau bedingten Drehmomente sich durch die Gegenschlagverseilung der Litzen der Decklage mit den sie tragenden inneren Litzen gegenseitig aufheben und damit ein nach aussen drehungsneutraler Seilaufbau erreicht wird. Die Vorteile werden grundsätzlich bei jedem auf Zug belasteten erfindungsgemässen Seil erreicht, unabhängig davon ob es sich dabei um ein Seil in laufender oder stehender Anwendung handelt.The advantages achieved by the invention are that those arising under load due to the rope structure Torques are due to the counter lay stranding of the strands Top layer with the inner strands carrying them mutually pick up and thus an outward rotation neutral rope construction is achieved. The benefits are basically on everyone Tension-loaded rope according to the invention reached independently whether it is a rope in running or standing Application.

Vorteilhaft ist es, die innere Litzenlage aus Litzen mit unterschiedlichem Durchmesser aufzubauen. Eine abwechselnde Anordnung von durchmessergrossen und druchmesserkleinen Litzen ergibt eine Litzenlage mit nahezu kreisförmigem Querschnitt und einen höhen Füllungsgrad. Insgesamt liegen die Litzen dabei eng aneinander und stützen sich gegenseitig, was eine sehr kompakte und feste Verseilung ergibt, die sich auf der Treibscheibe wenig verformt und keine Tendenz zum Aufdrehen zeigt.It is advantageous to have the inner strand layer made of strands of different diameters. An alternating one Arrangement of large-diameter and small-diameter strands results in a strand layer with an almost circular cross section and a high degree of filling. Overall, the strands are tight to each other and support each other, which is a very compact and there is tight stranding on the traction sheave little deformed and shows no tendency to open.

Ferner schafft ein Parallellauf von übereinanderliegenden Litzen verschiedener Lagen Linienberührung und damit eine wesentlich geringere Flächenpressung in Litzenquerrichtung. Dies trifft in gleicher Weise auf Aramidfasern einer Litze zu. Sind dabei die Kunstfasern einer Litze in gleicher Schlagrichtung wie die Litze selbst geschlagen, wird ein besserer Zusammenhalt der Verseilung erreicht.Furthermore, a parallel run of superimposed Strands of different layers line contact and thus one significantly lower surface pressure in the cross-strand direction. This applies in the same way to aramid fibers of a strand. Are the synthetic fibers of a strand in the same Direction of lay like the strand itself is struck better cohesion of the stranding achieved.

Darüberhinaus kann die Lebensdauer parallelverseilter Litzen gesteigert werden, wenn beispielsweise bei einer zweilagigen Parallelschlagverseilung die Drehrichtung der Fasern von Litzen einer Litzenlage entgegengesetzt zur Drehrichtung der Fasern von Litzen der anderen Litzenlage vorgesehen ist. In addition, the lifespan of strands stranded in parallel be increased if, for example, with a two-layer Parallel lay stranding the direction of rotation of the fibers of strands a strand layer opposite to the direction of rotation of the fibers of strands of the other strand layer is provided.

Eine vorteilhafte Verteilung der auf ein als Treibseil verwendetes Kunstfaserseil wirkenden Kräfte auf den Gesamtquerschnitt der Litzen ist gemäss einer bevorzugten Ausführungsform der Erfindung dadurch erreicht, dass die aussen liegenden Litzen und die Litzen der inneren Litzenlage unter einem Schlaglängenverhältnis von 1,5 bis 1,8 miteinander verseilt sind. Bei Belastung des Seils ergibt dies eine homogene Spannungsverteilung auf sämtliche hochfesten Litzen. Somit tragen alle Litzen zur Zugfestigkeit des Seils bei, woraus eine hohe Biegewechselfestigkeit und insgesamt eine hohe Seillebensdauer resultieren.An advantageous distribution of the on as a rope used synthetic fiber rope forces on the Overall cross section of the strands is according to a preferred one Embodiment of the invention achieved in that the outside underlying strands and the strands of the inner strand layer underneath a lay length ratio of 1.5 to 1.8 with each other are stranded. When the rope is loaded, this results in a homogeneous tension distribution on all high-strength strands. All strands contribute to the tensile strength of the rope, which results in high fatigue strength and overall high Rope lifespan result.

In weiteren abhängigen Ansprüchen sind vorteilhafte Weiterbildungen und Verbesserungen der im Anspruch 1 angegebenen Erfindung aufgeführt.In other dependent claims are advantageous Developments and improvements in claim 1 specified invention listed.

Weitere Einzelheiten sind im folgenden anhand in der Zeichnung dargestellter Ausführungsbeispiele des erfindungsgemäss durch mehrstufiges Verseilen hergestellten Gegenschlagseils näher erläutert. Es zeigen:

Figur 1,
eine schematische Darstellung einer Aufzugsanlage mit einer Umhängung von 2:1,
Figur 2,
eine perspektivische Darstellung eines ersten Ausführungsbeispiels des erfindungsgemässen Gegenschlagseils,
Figur 3,
eine Querschnittsansicht eines zweiten Ausführungsbeispiels der Erfindung.
Further details are explained in more detail below with reference to exemplary embodiments of the counter-lay rope produced according to the invention by multistage stranding. Show it:
Figure 1,
1 shows a schematic representation of an elevator installation with a 2: 1 sheathing,
Figure 2,
2 shows a perspective illustration of a first exemplary embodiment of the counter-lay rope according to the invention,
Figure 3,
a cross-sectional view of a second embodiment of the invention.

Figur 1 zeigt eine schematische Darstellung einer Aufzugsanlage mit einer Umhängung von 2:1 über zwei Umlenkrollen 2,3. Seilendverbindungen 4 für das Aufzugsseil 1 werden bei dieser Anordnung nicht an der Kabine 5 und am Gegengewicht 6, sondern jeweils am oberen Schachtende 7 angebracht. Deutlich zu erkennen ist die Umlenkung des durch Kabine 5 und Gegengewicht 6 belasteten Aufzugsseils 1 über die beiden Umlenkrollen 2 und 3 und die Treibscheibe 8.Figure 1 shows a schematic representation of an elevator system with a 2: 1 suspension over two pulleys 2,3. Rope end connections 4 for the elevator rope 1 are in this Arrangement not on the cabin 5 and on the counterweight 6, but attached to the upper shaft end 7. Clearly too can be seen the deflection of the cabin 5 and counterweight 6 loaded elevator ropes 1 via the two pulleys 2 and 3 and the traction sheave 8.

In Figur 2 ist ein erstes Ausführungsbeispiel des erfindungsgemässen Aufzugsseil 1 dargestellt. Für das Aufzugsseil 1 verwendete Litzen 9, 10, 11, 12 werden aus einzelnen Aramidfasern gedreht oder geschlagen. Jede einzelne Aramidfaser, wie auch die Litze 9, 10, 11, 12 selbst, werden zum Schutz der Fasern mit einem Imprägniermittel, z.B. Polyurethanlösung, behandelt. Der Polyurethananteil kann dabei je nach gewünschter Biegewechselleistung z.B. zwischen zehn und sechzig Prozent liegen.In Figure 2 is a first embodiment of the Elevator rope 1 according to the invention shown. For the Elevator rope 1 strands 9, 10, 11, 12 are used individual aramid fibers twisted or beaten. Each Aramid fiber, as well as the strands 9, 10, 11, 12 themselves to protect the fibers with an impregnating agent, e.g. Treated polyurethane solution. The polyurethane content can depending on the desired bending alternating power e.g. between ten and sixty percent lie.

Das Aufzugsseil 1 ist aufgebaut aus einer Kernlitze 9 , um die in einer ersten Schlagrichtung 13 fünf gleiche Litzen 10 einer ersten Litzenlage 14 schraubenlinienförmig gelegt sind, und mit denen zehn Litzen 10, 11 einer zweiten Litzenlage 15 im Parallelschlag unter einem ausgewogenen Verhältnis zwischen Faser- und Litzenschlagdrehung verseilt sind. Die Aramidfasern können in gleicher oder entgegengesetzter Schlagrichtung geschlagen sein wie die Litzen der Litzenlage der sie angehören. Bei gleicher Schlagrichtung wird ein besserer Zusammenhalt der Verseilung im unbelasteten Zustand erreicht. Eine Steigerung der Lebensdauer ist möglich, wenn die Drehrichtung der Fasern der ersten Litzenlage 13 entgegengesetzt zu der Drehrichtung der Fasern von Litzen 10, 11 der zweiten Litzenlage 16 oder umgekehrt vorgesehen ist.The elevator rope 1 is made up of a core strand 9 to the in a first lay direction 13 five identical strands 10 one first strand layer 14 are placed helically, and with which ten strands 10, 11 of a second strand layer 15 in Parallel strike under a balanced relationship between Fiber and strand twist twist are stranded. The aramid fibers can be in the same or opposite direction be beaten like the strands of the strand of them belong to. With the same stroke direction, a better one Cohesion of the stranding achieved in the unloaded state. An increase in life is possible if the Direction of rotation of the fibers of the first strand layer 13 opposite to the direction of rotation of the fibers of strands 10, 11 of the second strand layer 16 or vice versa.

Die zweite Litzenlage 16 setzt sich aus einer abwechselnden Anordnung von zwei Arten von jeweils fünf gleichen Litzen 10, 11 zusammen. Fünf Litzen 11 mit grösserem Durchmesser liegen schraubenlienenförmig in den Tälern der sie tragenden ersten Litzenlage 14 , während fünf Litzen 10 mit Durchmesser der Litzen 10 der ersten Litzenlage 14 auf den Kuppen 17 der sie tragenden ersten Litzenlage 14 liegen und dabei die Lücken 18 zwischen jeweils zwei benachbarten durchmessergrösseren Litzen 11 ausfüllen. Auf diese Weise erhält der zweifach parallel verseilte Seilkern 19 eine zweite Litzenlage 16 mit nahezu zylinderförmiger Aussenkontur, die weiter unten beschriebene Vorteile im Zusammenwirken mit einem Zwischenmantel 20 bietet.The second strand layer 16 consists of an alternating one Arrangement of two types of five identical strands 10 each, 11 together. Five strands 11 with a larger diameter are located helical in the valleys of the first bearing them Strand 14, while five strands 10 with the diameter of Strands 10 of the first strand layer 14 on the crests 17 of them bearing first strand layer 14 and thereby the gaps 18th between two neighboring strands of larger diameter Fill in 11. In this way, it gets double parallel stranded rope core 19 a second strand layer 16 with almost cylindrical outer contour, the one described below Offers advantages in cooperation with an intermediate jacket 20.

Unter Längsbelastung des Aufzugsseils 1 erzeugt die Parallelverseilung des Seilkerns 19 ein zur Schlagrichtung 13 entgegengesetzt gerichtetes Drehmoment.Under longitudinal loading of the elevator rope 1, the Parallel stranding of the rope core 19 to the lay direction 13 oppositely directed torque.

Mit dem Seilkern 9 sind etwa 17 Litzen 12 in einer zur ersten Schlagrichtung 13 entgegengesetzten zweiten Schlagrichtung 15 zu einer Decklitzenlage 22 im Trossenschlag verseilt. Das Schlaglängenverhältnis der aussen liegenden Litzen 12 mit den Litzen 10, 11 der inneren Litzenlagen 14, 16 beträgt bei dem dargestellten Ausführungsbeispiel 1,6. Grundsätzlich ist ein Schlaglängenverhältnis der Gegenschlagverseilung im Bereich von 1,5 bis 1,8 vorteilhaft. Daraus ergibt sich ein im wesentlichen identischer Steigungswinkel der schraubenlinienförmig liegenden Litzen 10, 11 der inneren zweiten Litzenlagen 14, 16 und der Litzen 12 der Decklitzenlage 21 mit einer zulässigen Abweichung in einem Bereich von +/- 2 Winkelgrad. Die Verseilung der Decklitzenlage 21 baut unter Last ein Drehmoment auf, das in Richtung entgegen der zweiten Schlagrichtung 15 dreht.With the rope core 9 there are about 17 strands 12 in one to the first Beat direction 13 opposite second beat direction 15 stranded to a top strand layer 22 in the hawser. The Lay length ratio of the outer strands 12 with the Strands 10, 11 of the inner strand layers 14, 16 is in the illustrated embodiment 1.6. Basically is a Lay length ratio of the counter lay stranding in the range of 1.5 to 1.8 advantageous. This essentially results in a identical pitch angle of the helical Strands 10, 11 of the inner second strand layers 14, 16 and Strands 12 of the cover strand layer 21 with a permissible deviation in a range of +/- 2 degrees. The stranding of the Cover strand layer 21 builds a torque under load, which in Direction against the second direction of rotation 15 rotates.

Zwischen der in zweiter Schlagrichtung 15 verseilten Decklitzenlage 21 und den Litzen 10, 11 der zweiten Litzenlage 16 befindet sich ein Zwischenmantel 20. Der Zwischenmantel 20 umhüllt die zweite Litzenlage 16 schlauchförmig und verhindert einen Kontakt der Litzen 10, 11 mit den Litzen 12. Auf diese Weise vermeidet er einen Verschleiss der Litzen 10, 11, 12 durch gegenseitiges Aneinanderreiben beim Lauf des Aufzugsseiles 1 über die Treibscheibe 8 und der dabei auftretenden Relativverschiebung der Litzen 10, 11, 12 untereinander.Between the stranded in the second lay direction 15 Cover strand layer 21 and the strands 10, 11 of the second strand layer 16 there is an intermediate jacket 20. The intermediate jacket 20 envelops the second strand layer 16 in a tubular manner and prevents it a contact of the strands 10, 11 with the strands 12. On this In this way he avoids wear of the strands 10, 11, 12 by rubbing against each other while running the Elevator ropes 1 over the traction sheave 8 and this Relative displacement of the strands 10, 11, 12 among themselves.

Eine weitere Funktion des Zwischenmantels 20 ist die Übertragung des unter Belastung des Aufzugsseils 1 in der Decklitzenlage 21 aufgebauten Drehmoments auf die zweite Litzenlage 16 und damit auf den Seilkern 19, dessen Parallelverseilung mit erster Schlagrichtung 13 unter Längsbelastung des Seils 1 ein zur Schlagrichtung entgegengesetzt gerichtetes Drehmoment aufbaut. Dazu ist der Zwischenmantel 20 aus einem elastisch verformbaren Material, wie z. B. Polyurethan oder Polyester Elastomeren, auf den verseilten Seilkern 9 aufgespritzt bzw. extrudiert. Unter der zentrisch wirkenden Schnürkraft der Decklitzenlage 21 wird der Zwischenmantel 20 elastisch verformt, wobei er sich eng an die Umfangsmantelkonturen der auf ihn wirkenden Litzenlagen 16 und 21 anlegt und sämtliche Zwischenräume 22 ausfüllt.Another function of the intermediate jacket 20 is Transmission of the load on the elevator rope 1 in the Cover strand layer 21 built-up torque to the second Strand layer 16 and thus on the rope core 19, the Parallel stranding with first lay direction 13 below Longitudinal loading of the rope 1 to the direction of lay builds up opposite torque. This is the Intermediate jacket 20 made of an elastically deformable material, such as As polyurethane or polyester elastomers on the stranded rope core 9 sprayed or extruded. Under the centrically acting lacing force of the cover strand layer 21 is the Intermediate jacket 20 is elastically deformed, being close to the Circumferential jacket contours of the strand layers 16 and 21 creates and fills all gaps 22.

Seine Elastizität muss grösser sein als diejenige der Litzenimprägnierung sowie des tragenden Litzenmaterials, um deren vorzeitiges Beschädigen zu vermeiden. Andererseits sollte die Gesamtdehnung des Zwischenmantels 20 in jedem Fall grösser sein als die maximal auftretende Relativbewegung der Litzen 10, 11, 12 untereinander. Gleichzeitig ist der Reibwiderstand zwischen den Litzen 10, 11, 12 und dem Zwischenmantel 20 mit u > 0,15 derart gewählt, dass nahezu keine Relativbewegung zwischen Litzen und dem Zwischenmantel 20 stattfindet, sondern der Zwischenmantel 20 den Ausgleichsbewegungen durch elastische Verformung folgt.Its elasticity must be greater than that of Strand impregnation and the load-bearing strand material in order to avoid their premature damage. On the other hand, should the total stretch of the intermediate jacket 20 is greater in any case be as the maximum occurring relative movement of the strands 10, 11, 12 with each other. At the same time is the frictional resistance between the strands 10, 11, 12 and the intermediate sheath 20 with u> 0.15 chosen such that almost no relative movement takes place between strands and the intermediate sheath 20, but the intermediate jacket 20 compensating movements by elastic Deformation follows.

Über die Dicke 23 des Zwischenmantels 20 kann der radiale Abstand 24 der Decklitzenlage 12 zum Drehpunkt des Aufzugsseils 1 kontrolliert eingestellt und darüber das Drehmomentenverhältnis der im belasteten Aufzugsseil 1 wirkenden, entgegengesetzt gerichteten Drehmomente der Decklitzenlage 21 und des parallelverseilten Seilkerns 19 neutralisiert werden. Die Dicke 23 des Zwischenmantels 20 ist mit steigendem Durchmesser der Litzen 12 beziehungsweise der Litzen 9 und 10 grösser zu wählen. In jedem Fall ist die Dicke 23 des Zwischenmantels 20 so zu dimensionieren, dass im belasteten Zustand, nach abgeschlossenem Fliessprozess, also bei vollständig aufgefüllten Litzenzwischenräumen 22 eine Restmanteldicke von 0,1 mm zwischen Litzen 10, 11 und 12 der benachbarten Litzenlagen 16 und 21 sichergestellt ist. Der elastisch verformte Zwischenmantel 21 bewirkt eine vergleichmässigte Momentenübertragung über die gesamte Umfangsmantelfläche der zweiten Litzenlage 16. Damit wird die Schnürkraft der Decklitzenlage 21 und das Drehmoment der Decklitzenlage 21 nicht wie bisher vornehmlich auf die Kuppen 17 einzelner Litzen, sondern grossflächig verteilt über die gesamte Umfangsmantelfläche. Kraftspitzen werden vermieden und statt dessen treten betragsmässig kleinere, flächig wirkende Flächenkräfte auf. Das Volumen der Litzenzwischenräume 22 kann durch die abwechselnde Anordnung von durchmessergrossen 11 und durchmesserkleineren Litzen 10 der zweiten Litzenlage 16 minimiert werden.The radial over the thickness 23 of the intermediate jacket 20 Distance 24 of the cover strand layer 12 to the fulcrum of the elevator rope 1 controlled and above that Torque ratio of the loaded elevator rope 1 acting, oppositely directed torques of Cover strand layer 21 and the parallel stranded rope core 19 be neutralized. The thickness 23 of the intermediate jacket 20 is with increasing diameter of the strands 12 or Strands 9 and 10 larger to choose. In any case, the thickness 23 of the intermediate jacket 20 to be dimensioned so that in loaded state, after the flow process has been completed, that is with completely filled strand spaces 22 a Residual sheath thickness of 0.1 mm between strands 10, 11 and 12 of adjacent strand layers 16 and 21 is ensured. The elastically deformed intermediate jacket 21 causes even torque transmission over the entire Circumferential surface of the second strand layer 16. This is the Lacing force of the cover strand layer 21 and the torque of the Cover strand layer 21 not primarily on the crests as previously 17 individual strands, but distributed over a large area entire circumferential surface. Force peaks are avoided and instead, smaller, area-based ones appear Surface forces. The volume of the strand spaces 22 can due to the alternating arrangement of diameters 11 and smaller diameter strands 10 of the second strand layer 16 be minimized.

Eine weitere Ausbildungsvariante ist, die zweite Litzenlage 16 nicht als Ganzes mit einer Zwischenschicht zu ummanteln, sondern die Litzen 10, 11 und/oder 12 einzeln mit einem Mantel aus Kunststoff mit entsprechenden elastischen Eigenschaften zu umhüllen. Hierbei ist auf einen möglichst hohen Reibungskoeffizienten des Mantelmaterials zu achten.Another training variant is the second strand layer 16 not encased as a whole with an intermediate layer, but the strands 10, 11 and / or 12 individually with a sheath made of plastic with appropriate elastic properties envelop. This is as high as possible Pay attention to the coefficient of friction of the jacket material.

Als schützende Umhüllung für die Aramidfaserlitzen ist ein Seilmantel 25 vorgesehen. Der Seilmantel 25 besteht aus Kunststoff, vorzugsweise Polyurethan und gewährleistet den gewünschten Reibwert u zur Treibscheibe 8. Ferner ist die Abriebfestigkeit des Kunststoffmantels ebenfalls eine strenge Forderung, da beim Lauf des Aufzugsseils über die Treibscheibe 8 keine Beschädigungen auftreten. Der Seilmantel 25 geht mit der Decklitzenlage 21 eine derart gut haftende Bindung ein, dass er beim Lauf des Aufzugsseil 1 über die Treibscheibe 8 und den dabei aufgeprägten Schub- und Druckkräften zwischen beiden keine Relativbewegung stattfindet.As a protective covering for the aramid fiber strands is a Cable sheath 25 is provided. The cable sheath 25 consists of Plastic, preferably polyurethane and ensures that desired coefficient of friction u to the traction sheave 8. Furthermore, the Abrasion resistance of the plastic jacket is also a strict one Demand, because when the elevator rope runs over the traction sheave 8 no damage occurs. The cable sheath 25 goes with the cover strand layer 21 has such a good bond, that he runs when the elevator rope 1 over the traction sheave 8 and the imprinted thrust and pressure forces between the two no relative movement takes place.

Ausser einem die gesamte Decklitzenlage 21 umgebenden Seilmantel 25, kann zusätzlich jede einzelne Litze 12 mit einem separaten, ringsum geschlossenen Mantel 26 versehen sein. Der weitere Aufbau des Aufzugsseils 1 bleibt jedoch unverändert.Except for one surrounding the entire top strand layer 21 Rope sheath 25, each individual strand 12 can also have a separate, completely closed jacket 26 may be provided. The further construction of the elevator rope 1 remains unchanged.

Figur 3 zeigt eine Querschnittsansicht des Aufbaus eines zweiten Ausführungsbeispiels des erfindungsgemässen Gegenschlagseils im unbelasteten Zustand. Soweit dies möglich ist sind gleiche Teile mit den Bezugszeichen aus vorstehend beschriebenem ersten Ausführungsbeispiel versehen. Auch bei diesem zweiten Ausführungsbeispiel sind Litzen 27 zu einer Decklitzenlage 28 im Gegenschlag mit einem Seilkern 29 verseilt. Die Decklitzenlage 28 umfasst dreizehn Litzen 12 und wird durch einen Seilmantel 30 abgedeckt. Zwischen der Decklitzenlage 28 und dem Seilkern 29 ist ein Zwischenmantel 31 angebracht. Der Zwischenmantel 31 legt sich jeweils an die angrenzenden Mantelflächen der Decklitzenlage 28 und des Seilkerns 29 und füllt die Zwischenräume 32 zwischen den Litzen 27 vollständig aus. Hinsichtlich Material, Dimensionierung und Funktion des Zwischenmantels 31 trifft das zum Zwischenmantel 20 des ersten Ausführungsbeispiels Gesagte zu. Der Seilkern 29 ist aufgebaut aus drei unterschiedlich dicken Litzen 33, 34, 35 aus Aramidfasern, wobei drei Litzen 33 ein Kernseil bilden, um das herum Litzen 34 und Litzen 35 in abwechselder Reihenfolge im Parallelschlag verseilt sind.Figure 3 shows a cross-sectional view of the structure of a second embodiment of the inventive Counter-lay rope in unloaded condition. As far as possible are identical parts with the reference numerals from above described first embodiment. Also at In this second embodiment, strands 27 are one Top strand layer 28 in counter-lay with a rope core 29 stranded. The cover strand layer 28 comprises thirteen strands 12 and is covered by a rope sheath 30. Between the Cover strand layer 28 and the cable core 29 is an intermediate sheath 31 appropriate. The intermediate jacket 31 lies against the adjacent outer surfaces of the top strand layer 28 and the Rope core 29 and fills the spaces 32 between the strands 27 completely. With regard to material, dimensions and Function of the intermediate jacket 31 applies to the intermediate jacket 20 of the first exemplary embodiment. The rope core 29 is made up of three strands 33, 34, 35 of different thicknesses made of aramid fibers, with three strands 33 forming a core rope to the strands 34 and 35 around in alternating order are stranded in parallel lay.

Über die vorstehend beschriebenen Ausführungsbeispiele hinaus, können ein oder mehrere jeweils im Gegenschlag zu der sie tragenden Litzenlage verseilte Decklitzenlagen koaxial zueinander vorgesehen werden. Ferner können mehrfachverseilte Decklitzenlagen ausgebildet werden. Im Hinblick auf die mit der Erfindung erzielten vorteilhaften Wirkung ist darauf zu achten, dass die von den Litzenlagen ausgehenden Drehmomente stets gegenseitig ausgeglichen sind.Beyond the exemplary embodiments described above, can one or more each counter-strike to which they bearing strand layer stranded top strand layers coaxial are provided to each other. Furthermore, multiple stranded Stranded layers are formed. With regard to with the Invention achieved advantageous effect, care must be taken that the torques emanating from the strand layers always are mutually balanced.

Neben Anwendungen als reines Tragseil, lässt sich das Seil bei verschiedensten Anlagen der Fördertechnik änwenden, z.B. für Aufzüge, Schachtförderanlagen im Bergbau, Lastkränen wie Bau-, Hallen- oder Schiffskräne, Seilbahnen und Skilifte sowie als Zugmittel bei Fahrtreppen. Der Antrieb kann sowohl durch Reibschluss über Treibscheiben oder Koeppe-Scheiben als auch durch drehende Seiltrommeln, auf die das Seil aufgewickelt wird, erfolgen. Unter Förderseil ist ein laufendes, angetriebenes Seil zu verstehen, das gelegentlich auch als Zug- oder Tragseil bezeichnet wird. In addition to applications as a pure suspension rope, the rope can also be used use a wide variety of conveyor systems, e.g. For Elevators, mine hoists in mining, load cranes such as construction, Hall or ship cranes, cable cars and ski lifts as well as Traction devices for escalators. The drive can both by Friction over traction sheaves or Koeppe sheaves as well by rotating rope drums on which the rope is wound will be done. Under conveyor rope is a running, to understand driven rope, sometimes as a pull or Carrier rope is called.

BezugszeichenlisteReference list

  • 1-Aufzugsseil1-elevator rope
  • 2-Umlenkrolle2 pulley
  • 3-Umlenkrolle3 pulley
  • 4-Seilendverbindung4-rope end connection
  • 5-Kabine5-cabin
  • 6-Gegengewicht6 counterweight
  • 7-Schachtende7-shaft end
  • 8-Treibscheibe8 traction sheave
  • 9-Litze9-strand
  • 10-Litze10 strands
  • 11-Litze11-strand
  • 12-Litze12 strands
  • 13-erste Schlagrichtung13-first beat direction
  • 14-erste Litzenlage14-first strand layer
  • 15-zweite Schlagrichtung15-second stroke direction
  • 16-zweite Litzenlage16-second strand layer
  • 17-Kuppe17 crest
  • 18-Lücke18 gap
  • 19-Seilkern19 rope core
  • 20-Zwischenmantel 20 intermediate sheath
  • 21-Decklitzenlage21-top strand layer
  • 22-Zwischenraum22 space
  • 23-Dicke, Zwischenmantel23-thickness, intermediate sheath
  • 24-radialer Abstand24 radial distance
  • 25-Seilmantel25 rope sheath
  • 26-Mantel, Litze26-coat, braid
  • 27-Litze27-wire
  • 28-Decklitzenlage28-top strand layer
  • 29-Seilkern29 rope core
  • 30-Seilmantel30 rope sheath
  • 31-Zwischenmantel31 intermediate sheath
  • 32-Zwischenraum32 space
  • 33-Litzen33 strands
  • 34-Litzen34 strands
  • 35-Litzen35 strands
  • Claims (10)

    Kunstfaserseil, bestehend aus mindestens zu zwei konzentrischen Litzenlagen (14, 16) miteinander verseilten tragenden Kunstfaserlitzen (10, 11, 12), dadurch gekennzeichnet, dass die Litzen (12) einer äusseren Litzenlage (21) mit der an sie angrenzenden inneren Litzenlage (16) im Gegenschlag verseilt sind.Synthetic fiber rope, consisting of at least two concentric strand layers (14, 16) stranded synthetic fiber strands (10, 11, 12), characterized in that the strands (12) of an outer strand layer (21) with the inner strand layer (16 ) are stranded in counter-lay. Kunstfaserseil nach Anspruch 1, dadurch gekennzeichnet, dass die innere Litzenlage (16) Litzen (10, 11) unterschiedlichen Durchmessers aufweist.Synthetic fiber rope according to claim 1, characterized in that the inner strand layer (16) has strands (10, 11) of different diameters. Kunstfaserseil, nach Anspruch 1, dadurch gekennzeichnet, dass die Litzen (9, 10, 11, 12) aus parallel zueinander liegenden Aramidfasern bestehen.Synthetic fiber rope, according to claim 1, characterized in that the strands (9, 10, 11, 12) consist of aramid fibers lying parallel to each other. Kunstfaserseil, nach Anspruch 1, dadurch gekennzeichnet, dass die Kunstfasern in gleicher Schlagrichtung (13, 15) geschlagen sind, wie die Litzen (10, 11, 12) der Litzenlage (16, 21) in der sie angeordnet sind.Synthetic fiber rope, according to claim 1, characterized in that the synthetic fibers are laid in the same lay direction (13, 15) as the strands (10, 11, 12) of the strand layer (16, 21) in which they are arranged. Kunstfaserseil, nach Anspruch 1, dadurch gekennzeichnet, dass die Litzen (10, 11) der inneren Litzenlage (16) mit einer angrenzenden Litzenlage (14) eines sie tragenden Seilkerns (19) im Parallelschlag verseilt sind, wobei die Drehrichtung der Fasern von Litzen (10) der angrenzenden Litzenlage (14) entgegengesetzt zu der Drehrichtung der Fasern von Litzen (10, 11) der inneren Litzenlage (16) ist. Synthetic fiber rope, according to claim 1, characterized in that the strands (10, 11) of the inner strand layer (16) are stranded in parallel lay with an adjacent strand layer (14) of a rope core (19) carrying them, the direction of rotation of the fibers of strands ( 10) of the adjacent strand layer (14) is opposite to the direction of rotation of the fibers of strands (10, 11) of the inner strand layer (16). Kunstfaserseil nach Anspruch 1, dadurch gekennzeichnet, dass die aussen liegenden Litzen (12) und die Litzen (10, 11) der inneren Litzenlage (16) unter einem Schlaglängenverhältnis von 1,5 - 1,8 verseilt sind.Synthetic fiber rope according to claim 1, characterized in that the outer strands (12) and the strands (10, 11) of the inner strand layer (16) are stranded under a lay length ratio of 1.5-1.8. Kunstfaserseil nach Anspruch 1, dadurch gekennzeichnet, dass zwischen der inneren Litzenlage (16) und der äusseren Litzenlage (21) eine elastisch verformbare Zwischenschicht (20), zur Vermeidung eines Kontakts von Litzen (10, 11, 12) der benachbarten Litzenlagen (16, 21) ausgebildet ist.Synthetic fiber rope according to claim 1, characterized in that between the inner strand layer (16) and the outer strand layer (21) an elastically deformable intermediate layer (20) to avoid contact of strands (10, 11, 12) of the adjacent strand layers (16, 21) is formed. Kunstfaserseil nach Anspruch 7, dadurch gekennzeichnet, dass die Zwischenschicht als ein die innere Litzenlage (16) umhüllender schlauchförmiger Zwischenmantel (20) ausgebildet ist.Synthetic fiber rope according to claim 7, characterized in that the intermediate layer is designed as a tubular intermediate sheath (20) enveloping the inner strand layer (16). Kunstfaserseil nach Anspruch 7, dadurch gekennzeichnet, dass jede Litze (12) der äusseren Litzenlage (21) und/oder der inneren Litzenlage (16) eine Umhüllung (26) aufweist.Synthetic fiber rope according to claim 7, characterized in that each strand (12) of the outer strand layer (21) and / or the inner strand layer (16) has a sheath (26). Aufzugsanlage mit einem Kunstfaserseil nach einem der Ansprüche 1 bis 9.Elevator system with a synthetic fiber rope according to one of the Claims 1 to 9.
    EP99120587A 1998-10-23 1999-10-16 Laid synthetic fibre rope Expired - Lifetime EP0995832B1 (en)

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    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102005008087A1 (en) * 2004-11-15 2006-05-24 Liebherr-Werk Biberach Gmbh Hoist, especially crane
    EP1905891A2 (en) * 2006-09-29 2008-04-02 Inventio Ag Flat belt-like supporting and driving means with tension members
    EP3330209A1 (en) * 2016-12-02 2018-06-06 Otis Elevator Company Overbraided non-metallic tension members

    Families Citing this family (31)

    * Cited by examiner, † Cited by third party
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    NO315524B1 (en) 2003-09-15
    IL132299A0 (en) 2001-03-19
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    ATE243790T1 (en) 2003-07-15
    CA2287080C (en) 2007-04-10
    CN1190551C (en) 2005-02-23
    IL132299A (en) 2003-10-31
    NO995172D0 (en) 1999-10-22
    CN1252468A (en) 2000-05-10
    PT995832E (en) 2003-11-28
    BR9904960A (en) 2000-08-01
    DE59906075D1 (en) 2003-07-31
    DK0995832T3 (en) 2003-10-20
    EP0995832B1 (en) 2003-06-25
    AR020953A1 (en) 2002-06-05
    CA2287080A1 (en) 2000-04-23
    ES2202984T3 (en) 2004-04-01
    TR199902592A3 (en) 2000-10-23
    AU5601199A (en) 2000-05-04
    NO995172L (en) 2000-04-25
    EP0995832A3 (en) 2000-09-06
    TR199902592A2 (en) 2000-10-23
    US6314711B1 (en) 2001-11-13
    JP4391640B2 (en) 2009-12-24
    ZA996632B (en) 2000-05-09
    JP2000192378A (en) 2000-07-11
    HK1029149A1 (en) 2001-03-23

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