WO2010072690A1 - Moyen porteur d'ascenseur, procédé de fabrication d'un tel moyen porteur et installation d'ascenseur dotée d'un tel moyen porteur d'ascenseur - Google Patents

Moyen porteur d'ascenseur, procédé de fabrication d'un tel moyen porteur et installation d'ascenseur dotée d'un tel moyen porteur d'ascenseur Download PDF

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Publication number
WO2010072690A1
WO2010072690A1 PCT/EP2009/067596 EP2009067596W WO2010072690A1 WO 2010072690 A1 WO2010072690 A1 WO 2010072690A1 EP 2009067596 W EP2009067596 W EP 2009067596W WO 2010072690 A1 WO2010072690 A1 WO 2010072690A1
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WO
WIPO (PCT)
Prior art keywords
support means
elevator
strands
strand
tension member
Prior art date
Application number
PCT/EP2009/067596
Other languages
German (de)
English (en)
Inventor
Florian Dold
Reinhard Glienke
Guntram Begle
Original Assignee
Inventio Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inventio Ag filed Critical Inventio Ag
Priority to CN2009801518602A priority Critical patent/CN102264623B/zh
Priority to EP09793542.3A priority patent/EP2361212B1/fr
Publication of WO2010072690A1 publication Critical patent/WO2010072690A1/fr

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/06Arrangements of ropes or cables
    • B66B7/062Belts
    • 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
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B7/00Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02Machine details; Auxiliary devices
    • D07B7/14Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
    • D07B7/145Coating or filling-up interstices
    • 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
    • D07B1/14Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/145Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising elements for indicating or detecting the rope or cable status
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B1/00Constructional features of ropes or cables
    • D07B1/22Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/10Rope or cable structures
    • D07B2201/1004General structure or appearance
    • D07B2201/1008Several parallel ropes
    • 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
    • D07B2201/104Rope or cable structures twisted
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/20Rope or cable components
    • D07B2201/2015Strands
    • D07B2201/2023Strands with core
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2201/00Ropes or cables
    • D07B2201/20Rope or cable components
    • D07B2201/2083Jackets or coverings
    • D07B2201/2087Jackets or coverings being of the coated type
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B2401/00Aspects related to the problem to be solved or advantage
    • D07B2401/20Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/2015Killing or avoiding twist
    • 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

  • Elevator support means manufacturing method for such a suspension and elevator installation with such a lift support means
  • the invention relates to a support means for moving and / or carrying an elevator car in an elevator system according to claim 1, and a corresponding
  • Elevator systems of the type according to the invention usually have an elevator car and usually a counterweight connected to the elevator car, which can be moved in an elevator shaft or along free-standing guide devices.
  • the elevator installation has at least one drive with at least one traction sheave each, which interacts with the elevator car and optionally with the counterweight via drive and / or suspension means.
  • the suspension means carry the elevator car and optionally the counterweight and the drive means transmit the required driving forces to them.
  • the drive means also takes over the supporting function at the same time. In the following, therefore, for the sake of simplicity, the carrying and / or drive means will only be referred to as suspension means.
  • the suspension element is an essential element in an elevator installation. Its design, in particular its weight, its longitudinal stiffness, traction and Biege Lobucimaschine affect the design of the entire system, for example, in their space and energy consumption and maintenance. In the past 10 to 20 years, various attempts have been made to replace the classic "steel cable" suspension by lift support means with lower bend diameter and higher traction.
  • a flat suspension element with an elastomer jacket and a tension member made of a composite and oriented in the longitudinal direction of the suspension element discloses WO2009 / 090299.
  • the tension member has a plastic matrix, preferably of epoxy, with glass fibers or carbon fibers embedded therein parallel and embedded in the longitudinal direction of the tension member.
  • EP1905891 discloses a flat support means with elastomeric sheath and tension members made of cords stranded synthetic fibers such as aramid, polyethylene, polyester, Vectran® embedded in a matrix of polyurethane.
  • the present invention has as its object to provide a suspension means with low weight and good traction properties available and to show an elevator system that can be operated with such a support means with low maintenance, long life and high efficiency, and a cost-effective and simple To provide method for producing a support means for such an elevator system.
  • this object is achieved by the features of the support means specified in claim 1, an elevator system with such a support means according to the features of claim 23, and a manufacturing method according to the features of claim 30.
  • the elevator support means for carrying and / or moving at least one elevator car in an elevator installation is adapted to run over at least one disc and to be in traction engagement and driveability when running over a traction sheave of a prime mover of the elevator installation.
  • the support means has a jacket made of a polymer and at least one embedded in the shell body, extending in the longitudinal direction of the support means tensile carrier.
  • the tension member comprises at least one strand of stranded wire with an elementary diameter ⁇ whose yarns are formed from filaments of synthetic and / or mineral fiber material.
  • the elevator installation comprises at least one pane over which the suspension element is guided, which moves at least one elevator cage.
  • the support means also moves a counterweight.
  • the at least one disc in the elevator system is a traction sheave, which belongs to a drive machine and is driven by this rotating.
  • the guided over the traction sheave support means is moved by means of traction of the traction sheave and transmits this movement to the connected to the suspension means car and possibly the counterweight.
  • the suspension element not only transmits the movement to the cabin and possibly the counterweight, but at the same time carries it.
  • the method of manufacturing the elevator support comprises the steps of: a) selecting tensile support material from synthetic and mineral fiber materials; b) strand filaments of tensile carrier material into strand; c) embed tensile members with at least one strand with an elementary diameter ⁇ in a jacket material.
  • the elementary diameter ⁇ of the thickest strand of the tension member is selected as a function of the maximum elongation at break of the tensile material and adapted to the diameter of the smallest disc of the elevator installation, taking particular care that the bending in the strand with the largest imposed on the tension member by the smallest disc Diameter causes an elongation which is smaller than the maximum elongation at break of the strand.
  • the tensile carrier material is selected from high-strength fiber materials.
  • the tensile carrier made of such material may be in the form of a strand or in the form of strands stranded into a cord.
  • the strands of fiber material stranded into a cord can have different diameters or, preferably, they can all be of the same thickness and have the same diameter.
  • the cords are made by single or double stranding of strands.
  • a strand comprises stranded yarns, which in turn consist of unstretched or unidirectional yarns
  • a cord is constructed from stranded strands, with single-stranded or double-stranded cords being preferred and, in particular, cords having one or two or three strand layers being used. In individual cases, more than three layers of strands may be provided or a higher stranding, but this usually makes special provisions for wear necessary.
  • the yarns or strands are impregnated with an impregnating agent.
  • the polymer-based impregnant forms a matrix in which the fibers are embedded so that they are protected from wear and abrasion.
  • incorporation of the fibers into the matrix facilitates workability (stranding) and improves the adhesion of the sheath material to the tension members formed from the fibers.
  • Suitable impregnating / matrix materials are: polyurethanes, in particular water-soluble or solvent-soluble polyurethanes, and also epoxides and certain rubber-like elastomers, such as EPDM, wherein the impregnating agent is adapted to the fiber material and the jacket material.
  • polyurethanes in particular water-soluble or solvent-soluble polyurethanes, and also epoxides and certain rubber-like elastomers, such as EPDM, wherein the impregnating agent is adapted to the fiber material and the jacket material.
  • epoxides are well suited as a matrix material for mineral fibers such as glass fibers, carbon fibers, basalt fibers;
  • soluble polyurethanes are particularly suitable for some synthetic fibers such as polyamide fibers, Zylon and others.
  • the matrix content is between 5% and 45% based on the cured composite material of fibers and matrix.
  • the hardness of the cured matrix material is between 40 Shore A and 60 Shore D and can be controlled primarily by the percentage of matrix in the composite but also by additives such as plasticizers.
  • matrix lubrication e.g. PTFE powder
  • matrix lubrication e.g. PTFE powder
  • PTFE yarns used for tension members in strand form or strands of tension members in cord form, which are in direct contact with the jacket or with the material of the suspension element body.
  • polyethylene fibers can be provided in the tensile carrier very advantageous, since these fibers also have a lubricating effect to some extent, which protects the strands from wear.
  • polyethylene fibers may be provided inside a strand or a cord, and their lubricating effect may be usefully employed there.
  • Fiber materials Glass fibers of different quality and composition, such as E glass or S glass, polyethylenes (eg Dyneema® or Spectra®), polyesters, in particular LCP (Liquid Cristal Polymer, especially Celanese Acetate, such as Vectran®) , Nylon, basalt, aramid (eg, Kevlar®, Technora®, and Twaron®), PBO (poly (benzoxazoles) such as Zylon®), and M5 (poly- [diimidazo-pyridinylene (dihydroxy) -phenyls] and carbon fibers
  • LCP Liquid Cristal Polymer, especially Celanese Acetate, such as Vectran®)
  • Nylon basalt
  • aramid eg, Kevlar®, Technora®, and Twaron®
  • PBO poly (benzoxazoles) such as Zylon®
  • M5 poly- [diimidazo-pyridinylene (dihydroxy) -phen
  • tensile carriers can be done not only by the choice of commercially available hybrid fibers but also by a specific combination of fibers of different fiber materials in a tensile carrier, especially in combination with a specific space allocation of different fibers within yarns, strands and cords.
  • tension members can be obtained with properties ideally matched to the respective mechanical requirements.
  • a fibrous material with a large elongation at break is provided inside the strand, in the layer above a fibrous material having a smaller elongation at break.
  • Strands of this type are preferably taken separately as a tensile carrier in a suspension means.
  • cords can also be formed from such strands and these cords can then be used as tension members in a suspension element of an elevator installation.
  • inside the cord is a soul of one
  • Fiber material provided which has a greater elongation at break than the fiber material in the outer strands.
  • a cord structure with stranded fibers results, in which the inner strands of the cord have a greater elongation at break than the strands in the position above.
  • the more uniform distribution of the tensile forces in the strands of the cords increases the life of the suspension element.
  • the elongation at break of the various strands is in a cord instead of over the fiber material by different lay lengths of the yarns in the
  • the strand or strands forming the core of the cord are then stranded with a shorter lay length than the strands in the overlying strand layers.
  • cords for lift support means with high durability but also strands for elevator support means with high life can be produced:
  • the yarns inside the strand are then stranded with a shorter twist length than the yarns capable of it.
  • tension members in the form of cords particularly low-tensile tensile carriers result when the yarns of the strands are stranded in the opposite direction than the strands in the cord.
  • Particularly high breaking forces result for such tensile carriers, when the lay length of the yarns in the strands, is matched to the lay length of the strands in the cord, that the fibers are aligned approximately straight in the tension member.
  • Cords with cord configurations 1 + 6 (one central strand, six outer strands), Warrington configuration or Warrington-Seale configuration have proven to be very suitable. It should be noted here that with regard to the nomenclature of the cord configuration, essentially the nomenclature of the steel wire ropes has been used (see EN12385-2: 2002). The wires in the nomenclature of Drahtseilnorm be replaced in the present case, however, by strands, which are formed from stranded yarns of filaments.
  • strands as a tensile carrier is a very cost-effective compared to stranded or braided cords, since a production step is eliminated.
  • tension members are therefore preferably used in cooperation with large traction sheaves, since the bending stresses occurring here are relatively small.
  • spaced strands as a tensile carrier in the body or shell tends to be a softer, less abrasion resistant matrix material can be used, because there is no relative movement between touching strands occurs.
  • a harder, abrasion-resistant matrix is required, since the cord is subjected to relative movements from strand to strand.
  • the result of a softer matrix material is a flexurally soft strand, since the stresses that occur can be broken down more easily by strains in the matrix material.
  • the hardness of the matrix material is generally in the range of 50 Shore A to 54 Shore D.
  • the suspension element exhibits, in addition to at least one of the properties described above, a tension member in which the strands are at least 0.03 mm apart from each other, at least in an outermost position. The distance is greater, the greater the viscosity of the polymer embedding the tension member when embedding the tension member.
  • the suspension element has more than one tension carrier extending in the longitudinal direction of the suspension element, wherein the tension members, viewed in the width of the suspension element, are arranged next to one another in a plane.
  • the load must be absorbed by the individual tension members in the support means distributed to the plurality of tension members, which thus each have a lower elongation at break and thus a smaller diameter than a support means with a single tension member of the same material.
  • the surface pressure can be distributed relatively evenly over all tension members, which increases the service life and ensures a smoother running of the suspension element over the discs. Due to the number of tensile carriers in a suspension means, the support means breaking forces can be scaled well.
  • the single-stranded strands are struck S or Z, that is to say left or right-handed, the double-stranded cords corresponding to SZ or ZS (for nomenclature, see EN 12385-2: 2002).
  • cords and strands (even those that are declared as "low-revving” or “rotation-free") always have a certain amount of torque.
  • the overall torque is zero and the suspension element as a whole therefore is free of rotation. The easiest way to achieve this is when an equal number of left-handed and right-handed tensile carriers are provided with magnitude equal in terms of torques in the support means (even number of tensile carriers).
  • the suspension element has a plurality of the tension members described above, wherein preferably all tension members have the same cord or strand configuration so that the load-bearing strength, stress ratios and expansion properties of all tension members are the same.
  • the support means comprises a plurality of tension members with different cord or strand configurations, the configurations with their specific properties being adapted to the position in the suspension element (central or external). This can be advantageous if the stresses on the tension members despite the arrangement in a plane position-dependent large deviations.
  • the jacket body of the suspension element is made of a polymer, preferably an elastomer.
  • Elastomers can be adjusted in their hardness and bring in addition to the necessary hardness at the same time a sufficiently high wear resistance and elasticity.
  • the temperature and weathering resistance and other properties of the elastomers also increase the service life of the suspension element. If the elastomer is also a thermoplastic elastomer, the suspension element with its body and the embedded tension members can be produced in a particularly simple and cost-effective manner, for example by extrusion.
  • the suspension element can be made of a single elastomer or of different elastomers, e.g. layered, with different properties.
  • polyurethanes in particular thermoplastic, ether-based polyurethanes
  • Polyamides in particular based on polyamide 1 l / polyamide 12 (PEBAX®)
  • Polyester in particular TPC (thermoplastic elastomers based on copolyester, for example Hytrel®), as well as natural and synthetic rubber, in particular NBR, HNBR, EPM and EPDM are particularly well suited as material for the body of the suspension element.
  • chloroprene can be used in the body especially as an adhesive.
  • the traction side and / or the back of the suspension element with a coating.
  • This coating can be applied, for example by flocking or extrusion, or even be sprayed, laminated or glued. It preferably comprises a fabric of natural fibers, such as hemp or cotton, or of synthetic fibers, such as for example, nylon, polyester, PVC, PTFE, PAN, polyamide, or a mixture of two or more of these types of fibers.
  • the suspension element is designed on one side as a traction side, which has a plurality of ribs running parallel in the longitudinal direction of the suspension element.
  • the support means also has more than one in the longitudinal direction of the support means extending tension members.
  • the traction sheave of the elevator system then has such grooves.
  • the grooves of the elevator pulleys and the ribs of the support means are matched to one another such that the suspension means is well guided in the / the discs and results in a traction-promoting wedge effect on the traction sheave in the frictional interaction of ribs and grooves.
  • the latter arises in particular when the tips of the V-ribs of the support means are not in contact with the groove bottom of the grooves of the traction sheave, so that the forces are transmitted only over flanks of the ribs or grooves. This is achieved by making the grooves e.g. undercut are executed.
  • ribs on the traction side of the suspension element and the grooves of the traction sheave are equal to wedge-shaped, in particular a triangular or trapezoidal cross-section and with a flank angle ß or ß 'in the range of 81 ° to 120 °, better from 83 ° to 105 ° or 85 ° to 95 ° and best formed 90 °.
  • the acute angle improves the leadership of the suspension element, especially in diagonal pull.
  • the traction sheave is provided with a deeper groove bottom, so that a wedge effect results when the grooves interact with the ribs, the traction is significantly increased and can be adjusted depending on the selected wedge angle of the ribs or grooves.
  • the tension members are each arranged in the region of the vertical projection P of a flank of the rib. In particular, the tension members should then be arranged centrally above the projection of the flank.
  • three tension members per rib are provided. Again, the load distribution can be further improved if the respectively provided on the lateral rib edge tension members are arranged in the region of the vertical projection P of a flank of the rib.
  • each rib of the support means is assigned exactly one tension member, since the forces from the flanks act uniformly from both sides on this one tension member.
  • tensile straps with a larger diameter can also be used in such an embodiment than in embodiments with a plurality of tension carriers per rib, without the running properties being negatively influenced.
  • a very uniform distribution of forces on all tensile carriers of the suspension element can be achieved with a tension member per rib, if it is arranged centrally with respect to the two rib edges.
  • the support means on exactly two ribs on the traction side offers in addition to the advantages of having a V-ribbed belt, the advantage that the number of suspension elements can be tuned very accurately to the load to be carried in the elevator.
  • the support means with the exactly two ribs on the traction side a guide rib on its side opposite the traction side back to run in opposite bending over a correspondingly executed disc with guide groove without having to take additional measures for a lateral guidance of the suspension element.
  • such a support means can also be higher than wide, which result in higher inner tension in the support center body during bending, which reduces the risk of jamming of the suspension element in a grooved disc.
  • the number of tensile carriers per rib can also be chosen to be much higher with a correspondingly small strand diameter. This can also go so far that the individual tension members are no longer spaced apart by jacket material in the suspension means but are packed tightly packed in a plane.
  • the tension members made of fiber material may be provided with one or more indicator elements.
  • the indicator elements may be in the form of an electrically conductive, metallic wire or in the form of electrically conductive fibers (basalt, carbon) as yarn (s) or strand (s).
  • Indicator elements may be stranded with the yarns and / or strands in the tension members or helically wrapped around them. You can also parallel to the train carrier together with it or separated from it in the
  • the one or more indicator elements extend over the entire length of the support means and are contacted by metrology at least at one end.
  • Electrically conductive indicator elements can be used for resistance measurements or temperature measurements for monitoring the tension members or also for monitoring the jacket condition. Details of the resistance measurement are disclosed in Applicant's EP Application No. 08172489.0, which is hereby incorporated into the present application.
  • optically conductive elements can also be integrated into the tension members, in particular for the tension member monitoring, which then permit monitoring by means of light signals.
  • the monitoring of a Biege Lobby- and / or trip counter is possible:
  • the number of bending changes, which has completed the support means counted. From life tests the breaking force degradation of the suspension element is known and it can after a certain number of bending changes on the suspension element state getting closed. Details of the change counter can be found in applicant's EP Application No. 08160740.0 and are hereby incorporated in this application.
  • suspension element comprises more than one tension member extending in the longitudinal direction of the suspension element, and if these tensile elements are arranged side by side, viewed in the width of the suspension element, then pulleys with smaller pulley diameters and a smaller, lighter motor can generally be used in the elevator installation
  • suspension means of equal load carrying only one or more tension members in different 'layers' - viewed radially outward from the axis of rotation of a disc - so as to save space and costs.
  • the traction sheave is the smallest disc of the elevator installation. If the traction sheave is arranged directly on a shaft of the drive motor, then the drive can be built very compact without a gear. Assembly and production are particularly simple if the traction sheave is formed integrally with a shaft of the drive motor.
  • the elevator system includes only the traction sheave (1: 1 suspension) or even various other discs over which the support means is performed. These discs can be pulleys, guide discs,
  • Cabin washers counterweight washers.
  • disks with small diameters preference is given to disks with small diameters and, in relation to smaller, lighter engines, in particular also traction disks with small diameters.
  • the latter can be made particularly advantageous integrally with the shaft of the motor.
  • the number of discs and their diameters depend on the suspension and the composition of the individual
  • the discs can be both larger and smaller than the traction sheave. If we talk about disks here, they can not only be disc-shaped but they can also be formed in a cylindrical shape, similar to a shaft. Their function is independent of this design issue, a deflection, carrying or driving the suspension.
  • the life of the support means can be more accurately predetermined and monitored: the former, for example, by adjusting the elementary diameter of the thickest strand in a tension member to the smallest disc diameter of the elevator installation in which it is to be used; through accurate and permanent monitoring of shell condition and tensile state; through the use of tension members in which the filaments tear at the same time; by the exact matching of geometries and materials of the suspension element and the discs in the elevator system and the resulting low wear.
  • the more accurate predictability of the service life and thus the discard readiness together with the permanent and comprehensive suspension device monitoring make it possible to design an elevator system without a safety loss with smaller cable safety devices, namely with cable safety factors between
  • 1 shows a section parallel to an elevator car front through an elevator system according to the invention
  • 2a is a perspective view of a second embodiment of a support means according to the invention in the form of a flat belt
  • FIG. 2a enlarges a section of the flat belt of FIG. 2a
  • 3a shows a perspective view of a rib side of a first embodiment of a suspension element according to the invention in the form of a V-ribbed belt
  • 3b shows a cross-sectional view of the support means according to FIG. 3a with different
  • Fig. 12 shows a section analogous to that in Fig. 5 by a further embodiment of a
  • Fig. 13 and 14 each have a cross section through a further embodiment of a tension member;
  • Fig. 15 shows a section analogous to that in Fig. 5 by a further embodiment of a
  • FIGS. 16 and 17 each have a cross section through a further embodiment of a tension member; FIGS. 18 to 26 sections analogous to that in FIG. 5 by further embodiments of a
  • FIG. 1 shows a section through an elevator installation 19 according to the invention in an elevator shaft 1. Shown are essentially a drive unit 2 arranged at the top in the elevator shaft 1 with a traction sheave 4.1 and an elevator car 3 guided on car guide rails 5 with cabin supports attached underneath the cabin floor 6. Slices 4.2. In addition, a guided counterweight guide rails 7 counterweight 8 with a Jacobisstragin 4.3 and a support means 12 which carries the elevator car 3 and the counterweight 8 and at the same time transmits the driving force of the traction sheave 4.1 of the drive unit 2 to the elevator car 3 and the counterweight 8. It can be provided as well as non-positive drives. Tramies furnish, so to
  • the elevator support means 12 may have one or more smooth or profiled surfaces.
  • support means 12 At least two elements are referred to in Fig. 1, which carry the car and the counterweight and move driven by the traction sheave. Furthermore, these are simply referred to as suspension means 12, although they exercise not only supporting but also driving function.
  • suspension means is used below in the singular, it is clear to the elevator expert that, for safety reasons, at least two suspension elements 12 are generally present in an elevator installation. Depending on the cabin weight, suspension and carrying capacity of the support means 12, these can be used parallel to one another and running in the same direction or else in another configuration. Tswoi or more parallel and in the same direction running support means 12 may be combined to form a suspension element strand.
  • the suspension element 12 according to the invention has a jacket body made of a polymer
  • the tension member 22 has at least one stranded wire strand 50, wherein the yarns comprise filaments of synthetic and / or mineral fiber material.
  • the elongation at break values of the fiber manufacturers can be calculated.
  • the strands 50 with elementary diameter ⁇ are subjected to tensile tests according to ASTM D 2256.
  • the following fiber materials have proven to be suitable: E glass, S glass, basalt, carbon, polyethylene, in particular HMPE, polyester, in particular LCP and TLCP, PVC, PTFE, PAN, nylon; Polyamide, in particular aramid, PBO (poly (benzoxazole)), M5 ((poly- [diimidazo pyridinylene (dihydroxy) phenylenej, PIPD short), hybrid fibers, which are already available as such.
  • the tension members or the fiber material of the tension members is impregnated for a better abrasion resistance and a better adhesion to the jacket material.
  • impregnation or as a matrix material e.g. Polyurethanes, epoxies and impregnating agents based on chloroprene or rubber used.
  • the impregnating agents are usually emulsions or solutions with aqueous or organic solvent.
  • Epoxies have proven to be very advantageous as impregnating agents for glass, basalt and carbon fibers, which also allow good bonding to polyurethane (PU) and polyamide-based or rubber-based sheath materials.
  • Glass fibers can also be incorporated very well into rubber-like casing materials if they are impregnated with a rubber solution or the tensile carrier is coated with an adhesion layer of a rubber solution or latex (resorcinol formaldehyde latex).
  • Polyurethane-based impregnating agents are also suitable for bonding to PU-based or polyamide-based casing materials, but they are better impregnated with synthetic fiber materials such as M5.
  • Polyamide, in particular aramid, polyester and polyethylene interact.
  • elastomers have proven to be a suitable sheath material for the body 15 of the
  • Particularly suitable are elastomeric polyurethanes, in particular thermoplastic, ether-based polyurethanes; Polyamides, in particular polyether block amides (PEBAX®); Polyester, especially TPC (e.g., Hytrel®); natural and synthetic rubber, in particular NBR, HNBR, EPM and EPDM. Chloroprene can also be used in the shell body 15. This elastomer has also been especially as
  • Adhesion agent between tension members and rubber-like elastomeric sheath materials such as rubber, NBR, EPDM proven.
  • the various polymers may be flexibilized, be provided with temperature stabilizers and / or UV stabilizers, be mixed with flame retardants and herbicides, etc. and / or, where necessary, be weather and hydrolysis resistant.
  • FIG. 2 a shows in perspective a section of an exemplary embodiment of a suspension element 12 according to the invention, in which the suspension element 12 is designed as a flat belt and is designed with a flat surface both on its traction side 18 and on its rear side 17 opposite the traction side.
  • Tension members 22 according to the invention are arranged next to one another in a plane. They are embedded at uniform intervals in the polymer of the sheath body 15 of the support means 12 and selected in number and in their torques so that cancel their torques over the entire support means 12. The material of the sheath body 15 is located between the tension members 22 and around each tension member 22 around.
  • the illustrated suspension element 12 is multi-layered.
  • the hard support layer 15a is advantageous with respect to a uniform force distribution in the support means 12 when running over the traction sheave 4.1.
  • the wear-resistant coating 62 with the fabric 61 protects against abrasion.
  • a softer cover layer 15b is provided, at least in relation to the base layer 15a, which permits low-noise running over pulleys 4.2, 4.3, 4.4 of the elevator installation 19 under counterbending.
  • a coating 62 which contains, for example, polytetrafluoroethylene, reduces the friction when running the support means 12 via these discs 4.2, 4.3, 4.4 under counter-bending, which is the noise and low-wear
  • Support means 12 as shown in Fig. 2a, 2b are preferably used in elevator systems 19, which are equipped with flat and / or cambered discs 4.1, 4.2, 4.3, 4.4, and depending on needs also flanged wheels for better management exhibit.
  • FIGS. 3a, 3b Another example of a suspension element according to the invention is shown in FIGS. 3a, 3b.
  • the support means 12 is formed as a V-ribbed belt with a flat back 17 and a provided with ribs 20 traction side 18.
  • Fig. 3b it is possible the ribs 20, viewed in cross section, instead of trapezoidal (Fig.2a) and triangular shape (Fig. 3b left) or triangular shape with rounded tip (Fig. 3b right).
  • V-ribbed belt designed support means 12 two inventive tension members 22 are provided, which are each arranged centrally above a projection surface 70 of a flank 24 of the rib 20 of the support means 12.
  • Per rib 20 of the support means 12 is ever one in its overall torque dextrorotatory tension member 22, designated "R”, and in its overall torque left-turning tension member 22, designated “L”, is provided.
  • FIG. 4 shows a cross section through a V-ribbed belt 12 according to the present invention, which comprises a belt body 15 and a plurality of tension members 22 embedded therein.
  • the belt body 15 is made of an elastic material such as natural rubber or synthetic rubber such as NBR, HNBR, ethylene-propylene rubber (EPM), ethylene-propylene-diene rubber (EPDM), etc.
  • a variety of synthetic elastomers Polyamide (PA), polyethylene (PE), polycarbonate (PC), polychloroprene (CR), polyurethane (PU) and especially for easier processing and thermoplastic elastomers, such as ether or ester-based thermoplastic polyurethane (TPU) can be used as material for the Sheath body 15 can be used.
  • the body 15 is made of ether-based thermoplastic PU.
  • V-ribbed belt 12 creates a wedge effect that improves traction ability. Further, the wedge effect can be improved if the lying between the grooves 35 of the traction sheave 4.1 circumferentially extending ridges 37 of the traction sheave 4.1 are slightly less high than the recesses 26 between the ribs 20 of the support means 12 are deep. In this way results in the meeting of the wells 26 with the
  • the support disks 4.2, 4.3 and guide plates 4.4 advantageously have grooves 35 without underlying groove bottom 36 and elevations 38 are the same dimensions as the
  • This coating 62 may be applied, for example by Befiockung or extrusion, or even be sprayed, laminated or glued. It may also preferably be a fabric 61 of natural fibers such as hemp or cotton, or of synthetic fibers such as nylon, polyester, PVC, PTFE, PAN, polyamide or a blend of two or more of these types of fibers. The fabric 61 may in turn be soaked or coated, for example, to achieve better adhesion with the underlying material of the body or / or with PTFE components to obtain better sliding properties against wheels of the elevator installation.
  • the support means 12 in Fig. 4 for example, provided on its back 17 with a nylon fabric 61 which is impregnated with a PTFE solution and coated with a polyurethane-based adhesive to better with the jacket body 15 - in this example in Essentially consists of ether-based polyurethane - to weld.
  • the PU coating is quickly removed by wear and stabilized in nylon fabric 61 PTFE impregnant improved in further operation, the sliding properties of the support means back 17 relative to the discs 4.2, 4.3, 4.4.
  • each rib 20 on the traction side 18 two tension members 22 are assigned.
  • the tension members 22 are each arranged centrally above the vertical projection 70 of a flank 24 of the rib 20 (FIG. 3b).
  • a further embodiment of an inventive support means 12 is shown, in which the support means 12 on the traction te 18 per rib 20 has only one tension member 22 made of fiber material.
  • the tension members 22 can be selected to be larger in diameter than the examples in which only two tensile members 22 per rib 20 are used
  • the tension members 22 are arranged centrally with respect to the tip of the rib 20. This central arrangement of the tension member 22 in the rib 20 ensures optimum power transmission via the rib flanks 24 between the tension member 22 and a traction sheave 4.1 an elevator system 19th
  • the tension members 22 are formed in this example as simply stranded cords 9 with a central strand 40 and six outer strands 44 stranded around the central strand 40 (see also FIG. 7), which short referred to as 1 + 6 strand configuration. It can also be seen from the representation of FIG. 5 that the tension members 22 alternately act as left-handed (marking with S) and right-handed
  • the cords 9, which are used in Fig 5 as a tension member 22 are shown again larger.
  • the cords 9 are stranded in such a way that the yarns of the central strand 40 and the yarns of the outer strands 44 are left-handed (S), the outer strands 44 finally being twisted around the central strand 40 (Z), resulting in a total of a right-handed (Z).
  • Cord 9 results.
  • the direction of impact of the yarns and the strands are to be reversed accordingly.
  • Cords are also conceivable in which the direction of impact of the yarns in the strands goes in the same direction as the direction of impact of the strands in the cord.
  • the yarns in the strands are stranded left-hand (S) and the strands in the cords are also stranded.
  • S left-hand
  • the strands in the cords are also stranded.
  • the direction of impact of the yarns and the strands must be reversed accordingly.
  • the diameter of the central strand 40 is selected to be greater than the diameter of the outer strands 44, so that the outer strands 44 are present in the circumferential direction at a distance 60 from one another in the cord 9.
  • This distance 60 allows penetration of the cladding material in the cord 9 and thus better integration of the tension member 9/22 in a sheath body 15. It has been found that the distance 60 should be at least 0.03mm in the presently proposed as sheath material polymers, wherein the distance should be greater, the greater the viscosity of the cladding material when applying the cladding material to the tension member 22.
  • a tension member 22 for elevator support means 12 are single-stranded cords 9 according to FIG. 7, which instead of 6 outer strands 44 have a number n of outer strands 44, where n is preferably an integer between 3 and 10.
  • the central strand 40 preferably has a smaller one
  • the lay length of the cord is 3 to 12 times the diameter of the tension member.
  • the hardness of the matrix varies between 50 Shore D and 75 Shore D. In the case of tensile carriers 22 which are present as cords 9, larger matrix hardnesses with higher abrasion resistance are required since the cord 9 experiences a wear-related relative movement of the strands 50, 40, 44 with one another.
  • FIG. 9 A very simple cord 9 that can be made well from fibrous material of the type proposed and that can be well bonded into a sheath material is shown in FIG.
  • three strands 50 are stranded with the same diameter either left-handed or right-handed with each other, the yarns of the strands are beaten in each case in the opposite direction to the stranding of the strands 50 advantageously.
  • FIG. 11 shows a development of the tension member 22 from FIG. 6.
  • fillers 30 are provided which increase the stability of the cord 9 and, as appropriate Diameter can also contribute to a better integration of the cord 9 in a jacket material.
  • the electrically conductive material such as carbon fibers or metal wires, especially copper or silver wires, or optically conductive material, such as fine glass cable , are made.
  • Such indicator elements are used together with corresponding sensors for monitoring the elevator support means.
  • indicator element can either be stranded in a tensile carrier or helically wound around it. But they can also be stretched out parallel with him or separated from him embedded in the jacket material.
  • indicator elements 72 are indicated by a dot in the outer strands 44/50.
  • Indicator elements 72 are stranded in this example with the corresponding yarns in the
  • FIGS. 8 to 10 show further embodiments for tension members 22, wherein these tension members 22 are double-stranded cords 9.
  • Fig. 8 is a development of the cord 9 of FIG. 7, in the sense that the cord 9 of FIG. 7 serves as a core 41 around which an outer strand layer 48 is stranded with outer strands 44, wherein the direction of impact of the yarns in the Strands of the direction of impact of the strands in the cord or opposite to the soul is chosen.
  • the number n of the outer strands 44 in this example is 12, but may also be an integer between 3 and 20.
  • the double-stranded cords 9 illustrated in FIGS. 9 and 10 have, as the core 41, three core strands 42 stranded together (see also FIG. 6), around which an outer strand layer 48 is stranded with outer strands 44.
  • the direction of impact of the yarns is in turn chosen opposite to the direction of impact of the strands.
  • 8 outer strands 44 and in the example of FIG. 10, 7 outer strands 44 are wound around the core 41.
  • the number n of the outer strands 44 can also be an integer between 3 and 20.
  • FIG. 12 shows a further exemplary embodiment of an elevator support means 12.
  • This suspension element 12 has an analog construction to the suspension element from FIG. 5 with a tension member 22 per rib 20, but unlike the example from FIG. 5 has no backside coating and instead of simple cords with a strand configuration 1 + 6, single-stranded cords 9 with Warrington configuration.
  • Fig. 14 is a standard Warrington configuration as it is also known for wire ropes (EN 12385-2: 2002).
  • This standard Warrington configuration is also referred to briefly as the strand configuration (la-6b-6c + 6d) W, where W stands for Warrington.
  • the number-letter combinations are viewed from left to right, for the number of strands of diameter, the diameter being indicated by the letter, and the strands 50 being indicated in order from inside to outside.
  • Number-letter combinations associated with dashes (-) represent successive strand layers, plus (+) connected number-letter combinations represent strands 50 in the same strand layer.
  • the letter stands for the diameter and the number before the letter for the number of strands 50 of this diameter.
  • the clip expresses the stranding.
  • (la-6b-6c + 6d) W results in a configuration with a central strand 50 of diameter a surrounded by a first strand layer with 6 strands 50 of diameter b and a second strand layer with 6 strands 50 of diameter c and 6 strands of diameter d, simply stranded together in a Warrington configuration.
  • the example of Figure 13 is a modified Warrington configuration having a core of three core strands 42 of equal diameter a and a first stranded layer of 6 strands 50 of diameter b and 12 strands 50 of diameter c or in short a strand configuration (3a-6b + 12c) W.
  • rib 20 Shown in FIG. 15 are three tension members 22 per rib 20, wherein the ribs 20, when viewed in cross section, are trapezoidal in shape.
  • the respectively central tension member 22 is arranged centrally in the rib 20 and the two tension members 22 framing it in the rib 20 are preferably arranged again centrally over a flank 24 or in the region of the projection surface 70 of the flank 24.
  • four or five tension members per rib are also conceivable, cross-sectional shapes of the ribs being conceivable, as illustrated in FIG. 3b. Small dimensions and a low weight can generally be achieved for a ribbed suspension element 12 in that the distances X (see FIG.
  • suspension means 12 in which these distances X amount to at most 20% of the total thickness s of the suspension element.
  • the total thickness s (see Fig. 15) is to be understood as meaning the entire thickness of the belt body 15 including the ribs 20.
  • the support means 15 in Fig. 15 on its flat side 17 is not provided with a coating.
  • it has on its traction side 18 a coating 62 indicated by a dashed line, with the aid of which the friction coefficient and / or wear in cooperation with the traction sheave 4.1 and / or another pulley 4.2, 4.3, 4.4 of the elevator installation 19 is set ,
  • this coating 62 preferably comprises a fabric 61, in particular a nylon fabric.
  • simple strands 50 made of stranded yarns can also be provided as tension members 22 of the suspension elements 12 according to the invention.
  • strands 50 which are used as tension members 22 and have a left-handed torque from the stranding of the yarns are shown with an S, as shown in FIG. 16.
  • Stranded wires 50, which are used as tension members 22 and have a right-handed torque from the stranding of the yarns are represented by a Z, as shown in FIG. 17.
  • FIG. 16 shows a left-stranded (S) strand 50 in an indicator element 72 integrated into the strand.
  • Indicator element 72 is symbolized by a black dot, and in this case is a carbon yarn, which is used to later monitor the suspension element 12 by measuring resistance in the strand 50 was integrated.
  • strands 50 as a tension member 22 represents a very cost-effective compared to stranded cords 9, since at least one production step is eliminated. Since in strands
  • tension members 22 are preferably used in support means 12, which are provided for elevator systems with large traction sheaves 4.1.
  • support means 12 which are provided for elevator systems with large traction sheaves 4.1.
  • a softer matrix tends to be used than in cords 9, because there is no relative movement of strands 50 directly adjacent to each other between the strands 50.
  • the softer matrix makes the strand 50 more flexible.
  • the stresses occurring in the strand 50 can be better degraded by stretching in the softer matrix material than in a hard, rather brittle, but more abrasion-resistant matrix material.
  • the matrix hardness is preferably in the range of 50 Shore A to 54 Shore D.
  • strands 50 with yarns of different lay lengths can be used.
  • the inner yarns of a strand 50 then preferably have a shorter lay length than the outer yarns.
  • the cords 9 with different strand lay lengths can be achieved in this way that the filaments of the yarns tear simultaneously regardless of their location in the strand.
  • HMPE high modulus polyethylene
  • Dyneema® and Spectra® brands are used as fibers for tensile members 22 in elevator support means 12
  • hybrid constructions can be provided.
  • tension members 22 made of creep-prone fibers a certain amount of tension members of creep-tending fiber material in a tension member distributed uniformly therebetween may be used.
  • a portion of such tension member 22 may be formed from other non-creep fibrous materials, e.g. Polyamide, be prepared.
  • filaments of the creeping fiber material are uniformly mixed with the filaments of the non-creeping fiber material or an inner part of the tension member is made with the filaments of the creeping fiber material and a serer part with the filaments from the non-creeping
  • Fiber material designed or vice versa, depending on the fibers used.
  • a support means 12 is shown with tension members 22 which are formed as strands 50.
  • tension members 22 which are formed as strands 50.
  • On the traction side 18 a plurality of ribs 20 are provided, each rib 20 are assigned two tension members 22.
  • the tension members 22 are adjacent to each other and spaced apart from each other in a plane, with tension members S alternating with left-handed torque with tension members Z with right-handed torque.
  • the flat back of the tension member 22 is provided with a designed as a sliding coating cover layer 62, the Contains tetrafluoroethylene in this example, in order to reduce the coefficient of friction when interacting with deflecting 4.4 or disks 4.2, 4.3.
  • the layer 62 is designed as a film-like polymer-based coating with polytetrafluoroethylene particles and contains a fabric 61 coated or impregnated with this polymer material.
  • the polytetrafluoroethylene particles preferably have a particle size of 10 to 30 micrometers.
  • a support means 12 with relatively small width and only two ribs 20 on the traction side 18 is shown.
  • it has a coating 62 on the flat rear side, but here it is designed as a dispersion layer of jacket material with polytetrafluoroethylene particles enclosed therein.
  • Each rib 20 of the support means 12 are associated with three tension members 22, which are designed as strands 50 of stranded yarns.
  • the tension members 22 are adjacent to each other and spaced apart from each other in a plane, with tension members S alternating with left-handed torque with tension members Z with right-handed torque.
  • elevator support means 12 with coatings applies that they can be applied over the entire length of the support means 12 or only one or more, certain lengths of the support means 12.
  • those lengths of the support means 12 may be coated, which in a sitting of the car 3 or the
  • Counterweight 8 - for example, on a buffer in the pit - interact with the traction sheave or other disc.
  • FIG. 20 shows a variant of the suspension element from FIG. 19, in which each rib 20 is assigned four tension members 22 designed as strands 50. It is understood that even this suspension
  • the tension members 22 are preferably in the form of a stranded wire 50, but with a small number of tension members 22 per rib 20, they are preferably designed as a cord 9. Incidentally, this applies to all suspension elements 12 described here, regardless of their absolute width and their traction-side rib number.
  • FIGS. 21 and 22 show further variants of the suspension element 12, in which the tension members 22 are arranged next to one another in a plane and designed as strands 50.
  • Tension members S with left-handed torque alternate with tension member Z with right-handed torque.
  • the strands 50 are combined to form oval tensile carrier units 25 in which the strands are in contact with each other.
  • four strands 50 are combined to form a tensile carrier unit 25, one tensile carrier unit 25 each being assigned to one rib.
  • the support means 12 in Figure 21 has three ribs 20 on the traction side.
  • the support means of Figure 22 again has a plurality (more than three, even though only three are shown) of ribs 20, each of them
  • Tensile carrier unit 25 comprises two strands 50.
  • the tension member units 25 are arranged at regular intervals from each other in a plane, each two tension member units 25 are associated with a rib.
  • the cohesion of the strands 50 in Switzerlandtownen 25 can be carried out by a common coating layer, by welding, gluing or by an adhesion layer. Due to these constructions of the tension members, a better space efficiency of the tension members in the belt compared to cords or strands can be produced as tension members. In addition, this can be used to produce a tension member which has a high breaking load and, due to its low height, a high bending flexibility.
  • a variant of the support means 12 is shown, which is relatively wide and the traction side has a plurality of ribs 20.
  • the tension members 22 are in turn arranged in a plane next to each other and designed as strands 50, which alternate left-handed and right-handed in their torque.
  • the strands in this embodiment are in close contact with each other, similar to a continuous strip made of parallel strands 50.
  • FIG. 24 shows a further variant of the suspension element 12, which has exactly two ribs 20 on its traction side 18.
  • the ribs 20 are assigned in this example again exactly two tension members 22.
  • the support means is provided on its rear side 17 with a guide rib 27.
  • the guide rib 27 interacts with deflection, guide and support disks 4.2, 4.3, 4.4, which have a corresponding guide groove for receiving the guide rib 27 (not explicitly shown).
  • the support means of Fig. 24 is higher than wide or at most the same height as wide.
  • this support means 12 has only one tension member 22 per rib.
  • the tension members 22 can be made as strands 50 or as cords 9.
  • the other embodiments of the suspension element 12 shown here can also be provided with one or more guide ribs 19 on the rear side 17. These can be equal to or greater than the ribs 20 on the traction side 18 and can be made of a different material for better stability of the support means 12 or over the length of the
  • Support means 12 extending stabilizing elements (not shown) similar to the tension members 22 included.
  • Fig. 26 shows a variant of the support means 12 of Fig. 25 with exactly two ribs 20 on the traction side 18, but without guide rib on the back. Pro rib 20 is again a
  • Fig. 27 shows a variant of the embodiment of Fig. 26, in which the ribs 20 have a greater distance from one another.
  • the two ribs 20 are connected in the embodiment shown by a web 74 of casing material 15 with each other.
  • Elevator support means 12 can of course not be combined only in the manner described. Depending on the requirement profile of the elevator installation 19 for which the suspension element is intended, the person skilled in the art knows the features described, such as number of ribs on the traction side, number of ribs on the back, arrangement and number of tension carriers per rib, configuration of the tension members as strand or cord, cord construction and materials to combine in a meaningful way according to his needs.
  • an elevator system 9 according to the invention, as shown in Fig. 1.
  • the support means 12 is guided with its traction side 18 via the traction sheave 4.1, the counterweight sheave 4.3 and the guide discs 4.4, these are provided accordingly at their periphery with grooves 35 which are complementary to the ribs 20 of the support means 20.
  • the V-ribbed belt 12 wraps around one of the pulleys 4.1, 4.3 and 4.4, its ribs 20 lie in corresponding grooves 35 of the pulley, whereby a perfect guidance of the
  • Supporting means 12 is ensured on these pulleys.
  • the suspension element 12 is fastened at one of its ends below the traction sheave 4. 1 to a first suspension point 10.
  • the classic cable end connections such as wedge locks or variants with looped fasteners can be used to secure the suspension in the area of the suspension element fixed point. From there, it extends down to a counterweight 8 disposed on the counterweight 8 support pulley, wraps around this and extends from this to the traction sheave 4.1 Es In this case, the traction sheave 4.1 wraps around at approximately 180 ° and runs downwards along the counterweight-side cabin wall.
  • a suspension element 12 according to the invention is guided over a traction sheave 4.1 tuned to the suspension element 12.
  • the traction sheave 4.1 of the elevator installation 9 according to the invention can be selected to be very small, which reduces the space requirement and enables the use of a lighter, smaller machine.
  • the plane of the traction sheave 4.1 is arranged perpendicular to the gegenimportantsseiti- gene cabin wall and their vertical projection is outside the vertical projection of the elevator car 3. Due to the small pulley diameter, it is possible to keep the gap between the cabin wall and the opposite shaft wall of the hoistway 1 very small.
  • the drive unit 2 Due to the small size and low weight of the drive unit 2, it is possible to mount the drive unit 2 on one or more of the guide rails 5, 7 and support. In this way, it is possible to introduce the entire dynamic and static loads of the cabin and the engine as well as vibrations and noises of the running engine instead of in a shaft wall through the guide rails 5, 7 in the shaft bottom.
  • the support means 12 have a flank angle ß of 90 °.
  • the flank angle ⁇ is the angle enclosed by its two flanks 24 of a rib 20 of the suspension element 12.
  • the flank angle ß has a decisive influence on the noise and the formation of vibrations, and that for a designed as elevator support means V-ribbed belt flank angle ß from 81 ° to 120 ° and better from 83 ° to 105 ° and even better from 85 ° to
  • the V-ribbed belt 12 is guided in the elevator system 19 of FIG. 1 with a reverse bend, i. the ribs 20 of the V-ribbed belt 12 are on the run on these discs on its side facing away from the Kabinentragin 4.2 back 17 which is designed here as a flat side.
  • the ribs 20 of the V-ribbed belt 12 are on the run on these discs on its side facing away from the Kabinentragin 4.2 back 17 which is designed here as a flat side.
  • the cabin sheaves 4.2 lateral side plates have.
  • Another possibility to guide the support means laterally is to arrange on the path of the support means 12 between the two car washers 4.2 two guide discs 4.4, as shown in this particular example.
  • the suspension element 12 between the cabin support disks 4.2 is guided with its rib side over the guide disks 4.4 provided with corresponding grooves.
  • the grooves of the guide discs 4.4 cooperate with the ribs of the V-ribbed belt 12 as a side guide, so that the Kabinentragusionn 4.2 require no on-board discs.
  • This variant is advantageous because it causes no lateral wear on the support means 12 in contrast to a lateral guide means of flanged wheels.
  • chosen the cabin dimension
  • the diameters of all pulleys are the same. It is also conceivable that the pulleys have different sizes and the support and / or pulleys 4.2, 4.3, 4.4 have a larger diameter than the traction sheave 4.1 or have a smaller diameter than the traction sheave 4.1. However, discs 4.2, 4.3 may also be provided, of which the discs 4.2, 4.3, 4.4 have a larger diameter, the others a smaller diameter than the traction sheave 4.1.
  • the suspension element used in the elevator system 12 is provided with tension members 22, which are present as a strand or cord. The Strands in the cords can all have the same diameter or be different in thickness.
  • the diameter (s) of the thickest strand (s) are called the elementary diameter ⁇ .
  • Supporting means 12 and elevator installation 19 are matched to one another in such a way that a thickest stranded wire 50 having an elementary diameter ⁇ experiences an elongation ⁇ when running the suspension element 12 over a smallest disk 4 of the elevator installation 19 with a smallest pulley diameter D, which is smaller than the breaking elongation ⁇ b of FIG thickest strand 50 or the fiber material of the thickest strand 50.
  • the drive with the traction sheave 4.1 does not necessarily have to be arranged at the top of the elevator shaft, but may e.g. also be arranged in the shaft base or in the shaft in a gap next to the movement path of the cabin and an adjacent shaft wall and in particular also above a shaft door.
  • the element referred to here as a suspension element 12 can also be used as a pure suspension means or pure drive means.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Ropes Or Cables (AREA)

Abstract

L'invention concerne un moyen porteur d'ascenseur destiné à porter et/ou déplacer au moins une cabine d'ascenseur (3), ainsi qu'une installation d'ascenseur dotée d'un tel moyen porteur et un procédé de fabrication d'un tel moyen porteur. Le moyen porteur d'ascenseur (12) peut être guidé et entraîné par au moins une poulie (4), en particulier une poulie d'entraînement (4.1) d'une machine d'entraînement (2) d'une installation d'ascenseur (1). Le moyen porteur d'ascenseur (12) possède une enveloppe (15) faite dans un polymère et au moins un support de traction (22) noyé dans l'enveloppe (15) et s'étendant dans la direction longitudinale de le moyen porteur d'ascenseur (12). Le support de traction (22) comprend une âme (50) de fils toronnés et les fils sont formés de filaments faits d'un matériau fibreux synthétique et/ou minéral.
PCT/EP2009/067596 2008-12-22 2009-12-18 Moyen porteur d'ascenseur, procédé de fabrication d'un tel moyen porteur et installation d'ascenseur dotée d'un tel moyen porteur d'ascenseur WO2010072690A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2009801518602A CN102264623B (zh) 2008-12-22 2009-12-18 电梯承载机构、用于此类承载机构的制造方法以及具有此类电梯承载机构的电梯设备
EP09793542.3A EP2361212B1 (fr) 2008-12-22 2009-12-18 Moyen porteur d'ascenseur, procédé de fabrication d'un tel moyen porteur et installation d'ascenseur dotée d'un tel moyen porteur d'ascenseur

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP08172489 2008-12-22
EP08172489.0 2008-12-22
EP09173069.7 2009-10-14
EP09173069 2009-10-14

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Publication Number Publication Date
WO2010072690A1 true WO2010072690A1 (fr) 2010-07-01

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PCT/EP2009/067596 WO2010072690A1 (fr) 2008-12-22 2009-12-18 Moyen porteur d'ascenseur, procédé de fabrication d'un tel moyen porteur et installation d'ascenseur dotée d'un tel moyen porteur d'ascenseur

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EP (1) EP2361212B1 (fr)
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WO2012025278A1 (fr) * 2010-08-27 2012-03-01 Sgl Carbon Se Système de traction de charge
CN102398831A (zh) * 2011-12-16 2012-04-04 苏州市东沪电缆有限公司 一种电梯用平衡扁型电缆
CN102491151A (zh) * 2011-12-16 2012-06-13 苏州市东沪电缆有限公司 一种假随行电梯电缆组件
CN102491152A (zh) * 2011-12-16 2012-06-13 苏州市东沪电缆有限公司 一种假随行电梯电缆
WO2013016944A1 (fr) * 2011-08-02 2013-02-07 Ge Wenguo Courroie de traction d'ascenseur et son procédé de fabrication
WO2013053621A1 (fr) * 2011-10-13 2013-04-18 Nv Bekaert Sa Ensemble porteur comprenant un câble d'acier et une gaine
WO2013110853A1 (fr) * 2012-01-24 2013-08-01 Kone Corporation Corde de dispositif de levage, agencement de corde, ascenseur et procédé de vérification de l'état de la corde d'un dispositif de levage
US20130206516A1 (en) * 2012-02-13 2013-08-15 Kone Corporation Rope of a lifting device, an elevator and a method for manufacturing the rope
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WO2013110853A1 (fr) * 2012-01-24 2013-08-01 Kone Corporation Corde de dispositif de levage, agencement de corde, ascenseur et procédé de vérification de l'état de la corde d'un dispositif de levage
US9834409B2 (en) 2012-01-24 2017-12-05 Kone Corporation Rope of a lifting device for an elevator and a condition monitoring method for the rope
EP2807105B1 (fr) 2012-01-24 2016-12-07 Kone Corporation Corde de dispositif de levage, agencement de corde, ascenseur et procédé de vérification de l'état de la corde d'un dispositif de levage
EP3075698A1 (fr) * 2012-01-24 2016-10-05 KONE Corporation Procédé de contrôle d'état pour le câble d'un dispositif de levage
EP2807105A4 (fr) * 2012-01-24 2015-10-14 Kone Corp Corde de dispositif de levage, agencement de corde, ascenseur et procédé de vérification de l'état de la corde d'un dispositif de levage
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US20130206516A1 (en) * 2012-02-13 2013-08-15 Kone Corporation Rope of a lifting device, an elevator and a method for manufacturing the rope
KR101364259B1 (ko) 2012-08-31 2014-02-21 홍정연 엘리베이터용 이동 케이블
WO2015121246A1 (fr) * 2014-02-11 2015-08-20 Kone Corporation Ascenseur
EP2905250A1 (fr) * 2014-02-11 2015-08-12 Kone Corporation Ascenseur
WO2017160581A1 (fr) * 2016-03-15 2017-09-21 Otis Elevator Company Élément de support de charge comprenant une couche latérale
EP4249417A3 (fr) * 2016-03-15 2023-12-20 Otis Elevator Company Élément porteur de charge comprenant une couche latérale
US11447368B2 (en) 2016-03-15 2022-09-20 Otis Elevator Company Load bearing member including lateral layer
US11427440B2 (en) * 2016-06-07 2022-08-30 Kone Corporation Elevator rope, elevator arrangement and elevator
US10773926B2 (en) 2017-04-03 2020-09-15 Otis Elevator Company Elevator belt with additive layer
EP3388381A1 (fr) * 2017-04-03 2018-10-17 Otis Elevator Company Courroie d'ascenseur avec couche d'additif
AU2018202327B2 (en) * 2017-04-03 2023-09-28 Otis Elevator Company Elevator belt with additive layer
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AU2018202655B2 (en) * 2017-04-20 2023-12-07 Otis Elevator Company Tension member for elevator system belt
JP2018177534A (ja) * 2017-04-20 2018-11-15 オーチス エレベータ カンパニーOtis Elevator Company エレベータシステムのベルトのためのテンション部材
CN108730411A (zh) * 2017-04-20 2018-11-02 奥的斯电梯公司 用于电梯系统带的受拉构件
EP3392183A1 (fr) * 2017-04-20 2018-10-24 Otis Elevator Company Élément de traction pour courroies de systèmes d'ascenseur
WO2019207824A1 (fr) * 2017-04-26 2019-10-31 三菱電機株式会社 Ascenseur, corps de suspension associé et procédé de production de ce dernier
US11820628B2 (en) 2017-10-17 2023-11-21 Inventio Ag Elevator system comprising deflecting elements having different groove geometries
EP3492417A3 (fr) * 2017-11-10 2019-09-11 Otis Elevator Company Élément de support de charge légère pour système d'ascenseur
US11247871B2 (en) 2017-11-10 2022-02-15 Otis Elevator Company Elevator system belt
US11459209B2 (en) 2017-11-10 2022-10-04 Otis Elevator Company Light weight load bearing member for elevator system
CN110027965A (zh) * 2017-11-10 2019-07-19 奥的斯电梯公司 电梯系统带
CN110027964A (zh) * 2017-11-10 2019-07-19 奥的斯电梯公司 电梯系统的轻量型承重构件
EP4249416A3 (fr) * 2017-11-10 2024-02-07 Otis Elevator Company Élément de support de charge légère pour système d'ascenseur
EP3483109A1 (fr) * 2017-11-10 2019-05-15 Otis Elevator Company Courroie de système d'ascenseur
EP3851496A1 (fr) * 2017-11-30 2021-07-21 Otis Elevator Company Éléments de traction porteurs de charge et procédé associé
EP3517572A1 (fr) * 2017-11-30 2019-07-31 Otis Elevator Company Éléments de traction porteurs de charge et procédé associé
WO2023222693A1 (fr) * 2022-05-17 2023-11-23 Inventio Ag Courroie permettant de porter une cabine d'ascenseur et/ou un contrepoids d'un système d'ascenseur

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