EP1418267B1 - Elément de support ou de traction comportant un lubrifiant et sa procédé de production - Google Patents

Elément de support ou de traction comportant un lubrifiant et sa procédé de production Download PDF

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Publication number
EP1418267B1
EP1418267B1 EP03024619A EP03024619A EP1418267B1 EP 1418267 B1 EP1418267 B1 EP 1418267B1 EP 03024619 A EP03024619 A EP 03024619A EP 03024619 A EP03024619 A EP 03024619A EP 1418267 B1 EP1418267 B1 EP 1418267B1
Authority
EP
European Patent Office
Prior art keywords
strands
lubricant
contact regions
traction means
intermediate casing
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.)
Expired - Lifetime
Application number
EP03024619A
Other languages
German (de)
English (en)
Other versions
EP1418267A1 (fr
Inventor
Roland Dipl.-Ing. Rth Eichhorn
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.)
Inventio AG
Original Assignee
Inventio AG
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Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP03024619A priority Critical patent/EP1418267B1/fr
Publication of EP1418267A1 publication Critical patent/EP1418267A1/fr
Application granted granted Critical
Publication of EP1418267B1 publication Critical patent/EP1418267B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • 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
    • D07B1/14—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
    • D07B2201/2071—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
    • D07B2201/2076—Fillers having a lubricant function
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—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
    • D07B2205/50—Lubricants
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/50—Lubricants
    • D07B2205/507—Solid lubricants

Definitions

  • the invention relates to a propellant carrying or traction means and a method for its production according to the definition of the claims.
  • the traction capability of suspension elements is specified in the European Standard EN-81-1 in Section 9.3, with the minimum requirements being as follows: a) the car shall be kept in a stop without slipping when loaded at 125% of the nominal load (b) during emergency braking, the empty or nominal laden cab shall be decelerated to a speed not exceeding the design speed of the buffers, including a reduced buffer stroke; c) the empty cab shall not be lifted when the counterweight is resting on buffers and the drive is running in the upward direction.
  • a friction-reducing intermediate sheath is attached, which ensures a relative movement of the outer with respect to the inner strand layer during the bending of the traction sheave and avoids by this relative movement disadvantageous for the strands wear by mutual friction.
  • the intermediate sheath separates the outer layer from the inner strand layer.
  • US 4202164 shows an aramid rope, which is composed of several layers of strands and is provided with a high viscosity lubricant.
  • the rope is covered by a plastic outer sheath.
  • a first object of the present invention is to provide a propulsive carrying or traction means, with at least one layer of strands of synthetic fiber material and an outer casing which encloses the carrying or traction means, in which the wear of the carrying or traction means is reduced in which the use of adverse effects such as heat generation, early onset of static friction and twisting of the support or traction means is shifted towards higher traction forces.
  • Another object of the present invention is to provide a propulsive tow means which allows maximum functionality with minimum diameter.
  • the invention consists in selectively introducing a lubricant in a drivable carrying or traction means, such that the lubricant is admixed as a dry lubricant to a impregnating agent of the strands and / or that the lubricant is admixed with a material of the outer casing and / or that the lubricant is applied as a wet lubricant on at least one outer surface of the strands and / or that and / or that the lubricant is mixed with a material of an intermediate jacket and / or the lubricant is applied to an intermediate jacket.
  • the traction forces receiving outer sheath and the traction forces receiving strands are lubricated with lubricant in direct mutual contact with each other.
  • This direct mutual contact of the outer sheath and the strands takes place according to first contact areas with a fixed connection, advantageously in the material connection.
  • in the first contact area at least partially a fusion of the outer sheath with strands.
  • such a melting takes place from the outer sheath with strands during the extrusion of the outer sheath onto the strands, whereby matrix material of the strands is melted.
  • the matrix material of the strands has at least one additive for facilitating the material bond. For example.
  • the first contact areas extend between the outer sheath and strands of an outer strand layer.
  • first contact areas between outer jacket and the strands are free of lubricant at least at the time of application of the outer jacket.
  • the traction forces receiving strands are lubricated by lubricant in direct mutual contact with each other. This direct mutual contact of the strands takes place according to second contact areas.
  • the strands are lubricated against each other with a selectable coefficient of friction for a relative movement. The coefficient of friction between strands is selected to be low enough so that the strands can make a relative movement during the bending on the traction sheave without an adverse twisting of the rope. An adverse shift or upsetting strands that are in contact with the outer sheath is thus avoided.
  • a separation of at least one outer and an inner strand layers by at least one intermediate sheath when using a plurality of strand layer a separation of at least one outer and an inner strand layers by at least one intermediate sheath.
  • the intermediate casing increases the torsional rigidity of the carrying or traction means.
  • the intermediate sheath and the strand layers are lubricated with lubricant in direct mutual contact with each other.
  • the direct mutual contact between the intermediate sheath and the outer strand layer takes place in accordance with third contact regions, the direct mutual contact between the intermediate sheath and the inner strand layer takes place according to fourth contact regions.
  • the material used is outer and / or intermediate sheath PU and / or polyester.
  • the outer sheath encloses the strands completely.
  • third and fourth contact areas between the intermediate shell and the outer and inner strand layers are lubricated with a selectable coefficient of friction relative to one another.
  • the coefficient of friction between the strands or between the strands and the intermediate jacket is in the range of 0.01 and 0.60.
  • the coefficient of friction between strands and the intermediate jacket is at least 0.05, preferably 0.10 higher than that between the strands. Under the action of external forces on the carrying or traction means, a relative movement of the heddles relative to one another is specifically facilitated and a relative movement between internal braided layers and the intermediate sheath is specifically made more difficult.
  • third contact areas between the intermediate sheath and the outer strand layer are lubricated relative to each other with a selectable coefficient of friction, while fourth contact areas between the intermediate sheath and the inner strand layer are firmly connected and advantageously in material connection to each other.
  • This is done analogously to the solid connection from the outer sheath to the outer strand layer advantageously by melting of the intermediate sheath with the inner strand layer, eg.
  • the coefficient of friction between the strands or between the strands is in the range of 0.01 and 0.60.
  • the coefficient of friction between the intermediate sheath and the outer strand layer is at least 0.05, preferably 0.10, higher than that between the strands. Due to the firm connection between the intermediate jacket and the inner strand layer, a relative movement of the strands against each other under the action of external forces on the support or traction means specifically facilitated, a relative movement between the outer strand layer and the intermediate sheath made specifically difficult and selectively prevents relative movement between the intermediate sheath and the inner strand layer.
  • the carrying or traction means is made of synthetic fiber material in the embodiment of ropes such as single or twin ropes, flat belts, toothed belts and poly-V-belt.
  • a suspension in the elevator system carries the weight of the cabin, rated load and counterweight. For example. hang cabin and counterweight via a rope or belt as a suspension on a shaft head arranged pulley.
  • a traction means in the elevator system absorbs from a drive traction forces to the procedure of the cabin and the counterweight. For example. As a pulling means a rope or belt is driven by a traction sheave. The support means itself need not be driven, for example.
  • Various lifting and traction means are provided in an elevator. The carrying or traction means is bent and tensioned on the deflection roller or traction sheave.
  • the fiber material used is aramid.
  • Aramid has a modulus of elasticity about twice as small as that of steel, and the elastic elongation due to tensile force is correspondingly higher.
  • aramid is an anisotropic material, the aramid fibers are transversely loadable by at least a factor of 10 less than in the longitudinal direction.
  • the strands of aramid are impregnated with an impregnating agent as with a PU solution. Fiber material and impregnating agent form the matrix material of the strands. For example. a ratio of 1/3 aramid is impregnated with 2/3 PU solution and at substantially the same density.
  • the carrying or traction means is driven by axles, traction sheaves or gears by frictional or positive locking.
  • a dry lubricant is admixed to the impregnating agent before the impregnation of the filaments and / or a dry lubricant is added to the material for the outer or intermediate sheath and / or a wet lubricant is applied to strands.
  • Suitable dry lubricants are talc, graphite powder, molybdenum disulfide, polytetrafluoroethylene (PTFE), lead (Pb), gold (Au), silver (Ag), boron trioxide (B03), lead oxide (PbO), zinc oxide (ZnO), copper oxide (Cu20 ), Molybdenum trioxide (MoO3), titanium dioxide (TiO2).
  • a wet lubricant is suitable animal, vegetable, petrochemical and synthetic oil or fat, glycerol, polybutene, polymer esters, polyolefins, polyglycols, silicone, soap, natural or artificial waxes, resins and tars with additions of organic and / or inorganic thickeners such as organic polymers, polyurea, metal soap, silicates, metal oxides, silicic acid, organophilic bentonites, etc.
  • organic polymers polyurea, metal soap, silicates, metal oxides, silicic acid, organophilic bentonites, etc.
  • the lubricant is so viscous that it moves little or no in the support or traction means.
  • the lubricant is a sufficiently large molecule so that it can not through the outer shell of the support or traction means.
  • Such a teaching of a support or traction means with strands of synthetic fiber material is in contradiction to the traditional teaching of steel cables, where in the interior of the steel cables low viscosity oils or fats are provided to reduce the coefficient of friction between steel strands, while on the outside of the steel cables adhesive resins are provided to increase the coefficient of friction between steel cable and traction sheave.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Ropes Or Cables (AREA)

Claims (16)

  1. Élément de support ou de traction apte à l'entraînement avec au moins une couche de torons composés de matériau fibreux synthétique et une enveloppe extérieure qui enveloppe les torons, des premières sections de contact, lesquelles forment une jonction fixe entre l'enveloppe extérieure et les torons et des deuxièmes sections de contact entre les torons, auquel cas ces deuxièmes sections de contact sont pourvues d'un lubrifiant abaissant le coefficient de frottement, caractérisé en ce qu'un lubrifiant est ajouté à un agent d'imprégnation des torons.
  2. Élément de support ou de traction apte à l'entraînement selon la revendication 1, avec une enveloppe intermédiaire qui enveloppe les torons d'une couche de torons intérieure, auquel cas des troisièmes sections de contact entre l'enveloppe intermédiaire et une couche de torons extérieure sont pourvues d'un lubrifiant accroissant le coefficient de frottement et des quatrièmes sections de contact entre l'enveloppe intermédiaire et la couche de torons intérieure forment une jonction fixe.
  3. Élément de support ou de traction apte à l'entraînement selon la revendication 1, avec une enveloppe intermédiaire qui enveloppe les torons d'une couche de torons intérieure, auquel cas des troisièmes sections de contact entre l'enveloppe intermédiaire et une couche de torons extérieure sont pourvues d'un lubrifiant accroissant le coefficient de frottement et des quatrièmes sections de contact entre l'enveloppe intermédiaire et la couche de torons intérieure sont pourvues d'un lubrifiant accroissant le coefficient de frottement.
  4. Élément de support ou de traction apte à l'entraînement selon la revendication 3, auquel cas le lubrifiant dans les troisièmes sections de contact est ajouté à un agent d'imprégnation de l'enveloppe intermédiaire et/ou est appliqué sur une surface intérieure de l'enveloppe intermédiaire.
  5. Élément de support ou de traction apte à l'entraînement selon une des revendications 2 ou 3, auquel cas le lubrifiant dans les troisièmes sections de contact est ajouté à un agent d'imprégnation de l'enveloppe intermédiaire et/ou est appliqué sur une surface extérieure de l'enveloppe intermédiaire.
  6. Élément de support ou de traction apte à l'entraînement selon une des revendications de 1 à 5, auquel cas le lubrifiant est un lubrifiant sec et/ou un lubrifiant humide.
  7. Élément de support ou de traction apte à l'entraînement selon une des revendications 2 ou 3, auquel cas le lubrifiant dans les troisièmes sections de contact est une molécule suffisamment grande, de sorte qu'elle ne puisse pas s'échapper à travers l'enveloppe extérieure.
  8. Élément de support ou de traction apte à l'entraînement selon la revendication 8, auquel cas le lubrifiant dans les quatrièmes sections de contact est une molécule suffisamment grande, de sorte qu'elle ne puisse pas s'échapper à travers l'enveloppe extérieure.
  9. Élément de support ou de traction apte à l'entraînement selon une des revendications de 1 à 8, auquel cas l'enveloppe extérieure et les torons dans les premières sections de contact se sont amalgamés l'une aux autres, au moins par sections, et/ou le matériel matriciel des torons présente au moins un additif pour faciliter la liaison de matière et/ou l'enveloppe extérieure dans les premières sections de contact est amalgamée au moins par sections au matériau matriciel des torons.
  10. Élément de support ou de traction apte à l'entraînement selon la revendication 2, auquel cas l'enveloppe intermédiaire et les torons dans les quatrièmes sections de contact se sont amalgamés l'une aux autres au moins par sections et/ou le matériel matriciel des torons présente au moins un additif pour faciliter la liaison de matière et/ou l'enveloppe extérieure dans les quatrièmes sections de contact est amalgamée au moins par sections au matériau matriciel des torons.
  11. Élément de support ou de traction apte à l'entraînement selon une des revendications de 1 à 3, auquel cas l'élément de support ou de traction est un câble simple ou un câble double ou une courroie plate ou une courroie dentée ou une courroie polytrapézoïdale.
  12. Procédé de production d'un élément de support ou de traction apte à l'entraînement avec au moins une couche de torons composée de matériau fibreux synthétique et une enveloppe extérieure qui enveloppe les torons, des premières sections de contact qui forment une jonction fixe entre l'enveloppe extérieure et les torons et des deuxièmes sections de contact entre les torons, auquel cas les deuxièmes sections de contact sont pourvues d'un lubrifiant abaissant le coefficient de frottement, caractérisé en ce que le lubrifiant est ajouté à un agent d'imprégnation des torons.
  13. Procédé selon la revendication 12, avec une enveloppe intermédiaire qui enveloppe les torons d'une couche de torons intérieure, auquel cas des troisièmes sections de contact entre l'enveloppe intermédiaire et une couche de torons extérieure sont pourvues d'un lubrifiant accroissant le coefficient de frottement et une jonction fixe est formée entre l'enveloppe intermédiaire et une couche de torons intérieure à travers des quatrièmes sections de contact.
  14. Procédé selon la revendication 12, avec une enveloppe intermédiaire qui enveloppe les torons d'une couche de torons intérieure, auquel cas des troisièmes sections de contact entre l'enveloppe intermédiaire et une couche de torons extérieure sont pourvues d'un lubrifiant accroissant le coefficient de frottement et des quatrièmes sections de contact entre l'enveloppe intermédiaire et une couche de torons intérieure sont pourvues d'un lubrifiant accroissant le coefficient de frottement.
  15. Procédé selon une des revendications de 12 à 14, auquel cas l'on utilise un lubrifiant sec comme du talc en poudre et/ou de la poudre de graphite et/ou du disulfure de molybdène et/ou du polytétrafluoroéthylène et/ou du plomb et/ou de l'or et/ou de l'argent et/ou du trioxyde de bore et/ou de l'oxyde de plomb et/ou de l'oxyde de zinc et/ou de l'oxyde de cuivre et/ou du trioxyde de molybdène et/ou du dioxyde de titan est utilisé, et/ou qu'un lubrifiant humide comme de l'huile animale et/ou de l'huile végétale et/ou de l'huile pétrochimique et/ou de l'huile synthétique, respectivement de la graisse et/ou de la glycérine et/ou du polybutène et/ou du ester polymère et/ou de la polyoléfine et/ou du polyglycols et/ou silicone et/ou du savon et/ou des cires naturelles, des résines, respectivement des goudrons et/ou des cires artificielles, des résines, respectivement des goudrons.
  16. Procédé selon une des revendications de 12 à 14, l'on utilise un lubrifiant humide avec des additifs de substances de densification organiques et/ou inorganiques comme des polymères organiques et/ou de la polyurée et/ou du savon métallique et/ou des silicates et/ou des oxydes métalliques et/ou de la silice et/ou de la bentonite organophile.
EP03024619A 2002-11-05 2003-10-25 Elément de support ou de traction comportant un lubrifiant et sa procédé de production Expired - Lifetime EP1418267B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03024619A EP1418267B1 (fr) 2002-11-05 2003-10-25 Elément de support ou de traction comportant un lubrifiant et sa procédé de production

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02405946 2002-11-05
EP02405946 2002-11-05
EP03024619A EP1418267B1 (fr) 2002-11-05 2003-10-25 Elément de support ou de traction comportant un lubrifiant et sa procédé de production

Publications (2)

Publication Number Publication Date
EP1418267A1 EP1418267A1 (fr) 2004-05-12
EP1418267B1 true EP1418267B1 (fr) 2010-02-24

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EP03024619A Expired - Lifetime EP1418267B1 (fr) 2002-11-05 2003-10-25 Elément de support ou de traction comportant un lubrifiant et sa procédé de production

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100999085B1 (ko) 2005-10-27 2010-12-07 오티스 엘리베이터 컴파니 다수의 폴리머 구성물들을 갖는 재킷을 구비한 엘리베이터부하지지조립체
DE102006020633B3 (de) * 2006-05-04 2007-11-29 Contitech Antriebssysteme Gmbh Flachriemen
CH699751A1 (de) * 2008-10-30 2010-04-30 Brugg Drahtseil Ag Seilschmiermittel.
DE202011109156U1 (de) * 2011-12-15 2013-03-18 Pfeifer Drako Drahtseilwerk Gmbh & Co. Kg Drahtseil
EP3357858B1 (fr) * 2017-02-03 2023-04-26 PRINOTH S.p.A. Une dameuse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202164A (en) * 1978-11-06 1980-05-13 Amsted Industries Incorporated Lubricated plastic impregnated aramid fiber rope
MXPA95001137A (es) * 1994-03-02 2004-02-16 Inventio Ag Cable como medio de suspension para un elevador.
US5881843A (en) * 1996-10-15 1999-03-16 Otis Elevator Company Synthetic non-metallic rope for an elevator

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