EP1483191A1 - Drive disk for high performance friction pairings - Google Patents

Drive disk for high performance friction pairings

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Publication number
EP1483191A1
EP1483191A1 EP03720161A EP03720161A EP1483191A1 EP 1483191 A1 EP1483191 A1 EP 1483191A1 EP 03720161 A EP03720161 A EP 03720161A EP 03720161 A EP03720161 A EP 03720161A EP 1483191 A1 EP1483191 A1 EP 1483191A1
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EP
European Patent Office
Prior art keywords
traction sheave
rim
segments
inlays
grooves
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Granted
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EP03720161A
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German (de)
French (fr)
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EP1483191B1 (en
Inventor
Peter Gräbner
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B15/00—Main component parts of mining-hoist winding devices
    • B66B15/02—Rope or cable carriers
    • B66B15/04—Friction sheaves; "Koepe" pulleys

Definitions

  • the invention relates to the novel construction of traction sheaves for wire rope drives and the like. In particular in the elevator sector, whereby an improved power transmission is to be made possible.
  • Access devices operated with wire rope for standing rope constructions (suspension bridges, rope-tensioned hall roofs, cable cranes, cable cars), • selected cable car drives,
  • a further field of application of the invention are mechanical continuous conveyors, which operate according to the “frictional connection” drive principle and meet the requirements of magnetic materials.
  • the groove of the traction sheave which receives the load element consists of segment pieces which are designed as pole pieces of a series of electromagnets with alternating polarity, the flow of force of which is guided from one pole to the adjacent through the load element ,
  • a traction sheave in particular for use in mining, is known in which a lining which is freely movable on the rim circumference in the form of a flexible elastic ring with lining elements attached to it is introduced into the grooves of the rim.
  • DE 36 26 045 A1 also describes a traction sheave for mining, in which a freely movable coating is arranged along the circular line of the groove of the ring.
  • This covering consists of two layers, namely the upper layer made of an elastic strip of material and the layer lying directly on the rim and divided into sections, which are rigidly connected to one another.
  • the sections mentioned here consist of a (sliding) bearing material.
  • DE 39 23 192 A1 relates to a traction sheave, in particular for
  • Patent specification DE 1.202.587 B describes a reinforcement for use for rope and traction sheaves in mining, in which lining materials made of light metal, hard plastic and the like are attached to the base body of the traction sheave and at the same time the friction coefficient and the wear resistance of the lining are increased.
  • the patent specification DE 1.120.702 B describes a special lining material for traction sheaves for mine shaft mining, which consists of a special cast alloy G AI Si. These lining blocks are installed alternately with lining blocks made of thermoplastic or thermoplastic-like plastics on the circumference of the traction sheave.
  • the use of force line fields to increase the driving ability is known from mining and mooring winches for single-rope operation.
  • the solutions are structurally complex, require a large amount of space and make the system technology more expensive
  • the object of the invention is therefore to significantly increase the transmission forces from elevator traction sheaves to the rope to be driven, in particular under extreme stress conditions, such as are present in high rope force ratios and / or small traction sheave to rope diameter ratios.
  • the object of the invention includes analog improvements to increase the transmission forces in the pairings of drive drum / steel conveyor belt and drive drum / chain, each with a simplified design of the other system components.
  • inlays in the form of high-energy magnets from the group of rare earths with energy products of, for example, 385 kJ / m 3 are introduced along the circumferential line of the groove (s) present in the traction sheave ring, which are inserted into adapted recesses in the groove track are recessed to conform to the surface.
  • This arrangement can be made for several grooves lying side by side. Complementary respectively between the inlay's ring segments are arranged.
  • Classic traction sheave materials such as GG and the like can be used as material for the above traction sheave ring or the ring segments or new construction materials such as steel foam materials and fiber composite ceramics which increase the friction value and meet the requirements for pressure resistance and wear resistance for use in elevator traction sheaves or similar applications. If wreath segments are selected, steel foam materials and / or fiber composite ceramics should preferably be used. This special procedure makes it possible to increase Coulomb's frictional force, since the coefficient of friction of the rest reaches values of 0.4 when using, for example, fiber composite ceramics, and additionally the normal force from the rope forces of by the high-energy magnets inserted as inlays at regular intervals a normal force generated by the magnetic forces is superimposed. The following applies to this statement:
  • Fu M gn tangential resistance force acting on the circumference of the traction sheave in the magnetic area against the rope elongation or slip caused by the greater rope force;
  • F gn magnetic adhesive force;
  • ⁇ Mgr > coefficient of friction in the magnetic range.
  • High-energy magnets which are to be manufactured as permanent magnets based on adhesive forces, hardness, shape, wear resistance, adapted to the application. They are arranged in the respective groove track in such a way that the axis of the magnet and thus the magnetic force is aligned radially.
  • the inlay segments and possibly additional ring segments are arranged distributed over the 360 ° circumferential line of the traction sheave ring, these segments being evenly spaced by the circumferential angle ⁇ .
  • the size of the angle ⁇ depends on the desired driving ability of the drive pulley-rope or drive pulley-belt pairing.
  • This technical approach makes it possible to equip round grooves with at least coefficients of friction that of wedge grooves with a defined wedge angle and achievable wear condition, but in contrast to the V-groove or the undercut round groove, guarantee a greatly reduced groove wear (low pressure) and a long rope service life in relation to the respective design.
  • F1 rope forces
  • ⁇ (p) deceleration factor
  • e basis of natural logarithms
  • ⁇ apparent coefficient of friction
  • ß geometric wrap.
  • FIG. 1 shows the design of the traction sheave ring with ring segments made of fiber composite ceramic, arranged between the inlays made of high-energy magnets
  • FIG. 2 shows a groove segment which consists of a material that differs from the other version of the groove ring.
  • the entire ring could also be made of this material, into which the holes for receiving the high-energy magnets could then be made.
  • Fig. 3 The design of a traction sheave for high-performance friction pairings, in which in the groove tracks of the traction sheave ring as inlay segments
  • FIG. 1 An exemplary arrangement of ring segments 5 and possibly inlay's 6 over the 360 ° circumferential line of the traction sheave ring 2 is shown in FIG. 1.
  • the ring segments 5 are in each groove track 3, see. Section A-A, spaced apart from each other over the circumferential angle ⁇ .
  • they can consist of one piece in the axial direction, into which all groove tracks 3 are introduced.
  • inlay segments 6 high-energy magnets
  • inlay segments 6 high-energy magnets
  • the exemplary geometry of a wreath segment 5 shows as detail B FIG.
  • the shape of the groove 3 is determined by its radius of curvature, where d is the
  • Diameter of the rope 4 corresponds.
  • the length I of a wreath segment 5 is at least 3 times the rope diameter d, i.e. I ⁇ 3d.
  • FIG. 3 illustrates the design of a traction sheave for high-performance friction pairings with high-energy magnets 6 introduced as inlay segments, analogously to the structure according to FIG. 1.
  • the high-energy magnets 6 have a cylindrical shape, see. Detail C, with the following dimensions for height h and diameter of the magnets d M : h ⁇ 25 - 35 mm d M ⁇ 20 - 32 mm.
  • the polarity is also shown here.
  • a traditional gray cast iron (GG) material is used as the material for the traction sheave base body 1 and traction sheave ring 2.
  • the wreath can be manufactured separately and connected to the base body in a suitable form.

Landscapes

  • Pulleys (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Braking Arrangements (AREA)
  • Lubricants (AREA)
  • Moving Of Heads (AREA)
  • Magnetic Heads (AREA)
  • Laminated Bodies (AREA)

Abstract

A drive disk with rim segments which are located at a distance from each other and are embodied in the form of segments of the groove track which are made from the same or different material and high-powered magnets are introduced in between the grooves in the drive disk rim and the cable along the peripheral line of the drive disk rim. Foamed steel or fiber composite ceramics or similar, respectively with increased friction values, are used as materials for the rim segments.

Description

Treibscheibe für Hochleistungsreibpaarungen Traction sheave for high-performance friction pairings
Die Erfindung betrifft den neuartigen Aufbau von Treibscheiben für Draht- Seilantriebe und dgl. insbesondere im Aufzugsbereich, wodurch eine verbesserte Kraftübertragung ermöglicht werden soll.The invention relates to the novel construction of traction sheaves for wire rope drives and the like. In particular in the elevator sector, whereby an improved power transmission is to be made possible.
Hauptanwendungsgebiete der Erfindung sindThe main areas of application of the invention are
- Aufzugstreibscheiben für Mehrseilbetrieb,- elevator traction sheaves for multi-rope operation,
- Treibscheiben für wahlweisen Einseilbetrieb unter Aufzugsbeanspruchungen, wie beispielsweise • mit Drahtseilen betriebene Hubplattformen (z.B. Fassadenpflege- anlagen, Montagegerüste),- traction sheaves for optional single-rope operation under elevator loads, such as • lifting platforms operated with wire ropes (e.g. facade maintenance systems, assembly scaffolding),
• mit Drahtseil betriebene Befahreinrichtungen für stehende Seilkonstruktionen (Hängebrücken, seilverspannte Hallendächer, Kabelkrane, Seilbahnen), • ausgewählte Seilbahnantriebe,• Access devices operated with wire rope for standing rope constructions (suspension bridges, rope-tensioned hall roofs, cable cranes, cable cars), • selected cable car drives,
• ausgewählte Sesselliftantriebe,• selected chairlift drives,
• Durchlaufhubwinden für beliebige Einsatzfälle.• Continuous lifting winches for any application.
Ein weiteres Anwendungsfeld der Erfindung sind mechanische Stetigförderer, die nach dem Antriebsprinzip „Kraftschluss" arbeiten und die Voraussetzungen magnetischer Werkstoffe erfüllen.A further field of application of the invention are mechanical continuous conveyors, which operate according to the “frictional connection” drive principle and meet the requirements of magnetic materials.
Der Stand der Technik für Aufzugstreibscheiben ist durch Lösungen charakterisiert, die das Coulomb'sche Reibungsgesetz unter Nutzung einer homogen Rille der technischen Auslegung zugrunde legen.The state of the art for elevator traction sheaves is characterized by solutions based on Coulomb's law of friction using a homogeneous groove in the technical design.
Im Beanspruchungsbereich der Schachtförderung des Bergbaus sind Lösungen bekannt, die die Treibfähigkeit des Systems Seil -Treibscheibe durch Rilleneinlagen unterschiedlicher - aber weicher Werkstoffe - erhöhen, die aber für den Aufzugsbetrieb ungeeignet sind. Vor etwa 8 Jahrzehnten wurden im Bergbau Überlegungen angestellt, die Kraftübertragung unter Einsatz von Elektromagneten zu verbessern.Solutions are known in the field of mine shaft mining that increase the driving ability of the rope-traction sheave system through grooved inserts of different - but soft materials - but which are unsuitable for elevator operation. About 8 decades ago, mining was considering ways to improve power transmission using electromagnets.
In der zugehörigen Patentschrift DE 34 67 27 C wird dazu ausgeführt, dass die das Lastorgan aufnehmende Rille der Treibscheibe aus Segmentstücken besteht, die als Polschuhe einer Reihe von Elektromagneten mit wechselnder Polarität ausgebildet sind, deren Kraftlinienfluss von einem zum benachbarten Pol durch das Lastorgan geführt wird.In the associated patent DE 34 67 27 C it is stated that the groove of the traction sheave which receives the load element consists of segment pieces which are designed as pole pieces of a series of electromagnets with alternating polarity, the flow of force of which is guided from one pole to the adjacent through the load element ,
Für Kabelverholanlagen auf Kabelverlegeschiffen ist aus US 3 512 757 eine Lösung bekannt, die Magnete in den Ableitscheiben von Winden zum Einsatz bringen will. In diesen Fällen kommen traditionelle Magnete zum Einsatz, die erheblichen Platzbedarf und technischen Zusatzaufwand erfordern und demzufolge nur bei Einseilbetrieb mit großen Abmessungen eingesetzt werden können.A solution is known from US 3,512,757 for cable winding systems on cable laying ships which wants to use magnets in the windshields. In these cases, traditional magnets are used, which require considerable space and additional technical effort and, consequently, can only be used for single-rope operation with large dimensions.
Aus DE 33 12 522 A1 ist eine Treibscheibe, insbesondere für Einsatz im Bergbau, bekannt, bei der in den Rillen der Scheibenfelge ein frei am Felgenumfang bewegliches Futter in Gestalt eines biegsamen elastischen Ringes mit daran befestigten Futterelementen eingebracht ist. Auch in DE 36 26 045 A1 wird eine Treibscheibe für den Bergbau beschrieben, bei der längs der Kreislinie der Rille des Kranzes ein frei beweglicher Belag angeordnet ist. Dieser Belag besteht aus zwei Schichten, nämlich der oberen Schicht aus einem elastischem Materialstreifen und der unmittelbar auf dem Kranz aufliegenden, in Sektionen unterteilten Schicht, die starr miteinander verbunden sind.From DE 33 12 522 A1, a traction sheave, in particular for use in mining, is known in which a lining which is freely movable on the rim circumference in the form of a flexible elastic ring with lining elements attached to it is introduced into the grooves of the rim. DE 36 26 045 A1 also describes a traction sheave for mining, in which a freely movable coating is arranged along the circular line of the groove of the ring. This covering consists of two layers, namely the upper layer made of an elastic strip of material and the layer lying directly on the rim and divided into sections, which are rigidly connected to one another.
Die genannten Sektionen bestehen hier aus einem (Gleit-)Lagerwerkstoff.The sections mentioned here consist of a (sliding) bearing material.
Gegenstand von DE 39 23 192 A1 ist eine Treibscheibe insbesondere fürDE 39 23 192 A1 relates to a traction sheave, in particular for
Einseilförderung im Bergbau mit einem Treibscheibenkranz, in dessen Rille mit einem Spalt zueinander Belageinlagen frei angeordnet sind. Diese V-förmigen Belageinlagen sind an ihren beiden Schenkelenden mit in Bewegungsrichtung der Treibscheibe durchgehenden Bohrungen versehen, durch welche ein diese Rille umschlingendes Zugmittel hindurchgeleitet ist.Single-rope mining in the mining industry with a traction sheave ring, in the groove of which a layer of lining is freely arranged. This V-shaped Covering inserts are provided at their two leg ends with through holes in the direction of movement of the traction sheave, through which a traction means wrapping around this groove is passed.
In der Patentschrift DE 1.202.587 B wird eine Bewehrung zur Anwendung für Seil- und Treibscheiben im Bergbau beschrieben, bei der Futterstoffe aus Leichtmetall, harten Kunststoff und dgl. am Grundkörper der Treibscheibe befestigt und zugleich der Reibwert und die Verschleißfestigkeit des Futters erhöht werden.Patent specification DE 1.202.587 B describes a reinforcement for use for rope and traction sheaves in mining, in which lining materials made of light metal, hard plastic and the like are attached to the base body of the traction sheave and at the same time the friction coefficient and the wear resistance of the lining are increased.
In der Patentschrift DE 1.120.702 B wird ein spezieller Futterwerkstoff für Treibscheiben der Schachtförderung des Bergbaus beschrieben, der aus einer speziellen Gusslegierung G AI Si besteht. Diese Futterklötze werden abwechselnd mit Futterklötzen aus thermoplastischen oder thermoplastähnlichen Kunststoffen auf dem Treibscheibenumfang installiert.The patent specification DE 1.120.702 B describes a special lining material for traction sheaves for mine shaft mining, which consists of a special cast alloy G AI Si. These lining blocks are installed alternately with lining blocks made of thermoplastic or thermoplastic-like plastics on the circumference of the traction sheave.
Mit den aus dem Stand der Technik bekannten Einlagen in die Rillen des Treibscheibenkranzes konnten Verbesserungen im Verschleiß- und Reibverhalten für Treibscheiben des Bergbaus erreicht werden. Die dafür erforderlichen konstruktiven Lösungen sind aufwendig. Für große Verhältnisse von Treibscheibendurchmesser zu Seildurchmesser - etwa größer 40 - sind entsprechende Anwendungen auch im Aufzugsbau denkbar. Der Trend zum Leichtbau wird diese Durchmesser-Verhältnisse für Aufzüge in den Bereich von 20 bis 30 führen. Hier versagen infolge der erhöhten Druckbeanspruchungen und Scherspannungen - ausgelöst durch die ungleichen Seilkräfte - die bisher bekannten Einlagenmaterialien.With the inserts into the grooves of the traction sheave ring known from the prior art, improvements in wear and friction behavior for traction sheaves in the mining industry could be achieved. The constructive solutions required for this are complex. For large ratios of traction sheave diameter to rope diameter - approximately greater than 40 - corresponding applications are also conceivable in elevator construction. The trend towards lightweight construction will result in these diameter ratios for elevators in the 20 to 30 range. Here, the previously known insert materials fail due to the increased pressure loads and shear stresses - triggered by the unequal rope forces.
Die Nutzung von Kraftlinienfeldern zur Erhöhung der Treibfähigkeit ist aus dem Bergbau und für Verholwinden für Einseilbetrieb bekannt. Die Lösungen sind aber konstruktiv aufwendig, erfordern einen hohen Platzbedarf und verteuern die Anlagentechnik Aufgabe der Erfindung ist deshalb die wesentliche Erhöhung der Übertragungskräfte von Aufzugstreibscheiben auf das anzutreibende Seil insbesondere unter extremen Beanspruchungsverhältnissen, wie sie bei hohen Seilkraftverhältnissen und/oder kleinen Durchmesserverhältnissen Treibscheibe zu Seil vorliegen. Die Aufgabe der Erfindung schließt ein analoge Verbesserungen zur Erhöhung der Übertragungskräfte bei den Paarungen Antriebstrommel/Stahlförderband und Antriebstrommel/Kette, jeweils bei vereinfachter Ausführung der weiteren Systemkomponenten.The use of force line fields to increase the driving ability is known from mining and mooring winches for single-rope operation. However, the solutions are structurally complex, require a large amount of space and make the system technology more expensive The object of the invention is therefore to significantly increase the transmission forces from elevator traction sheaves to the rope to be driven, in particular under extreme stress conditions, such as are present in high rope force ratios and / or small traction sheave to rope diameter ratios. The object of the invention includes analog improvements to increase the transmission forces in the pairings of drive drum / steel conveyor belt and drive drum / chain, each with a simplified design of the other system components.
Eine erfindungsgemäße Lösung dieser Aufgabe ist im Patentanspruch 1 angegeben. Weiterbildungen der Erfindung sind in den Unteransprüche gekennzeichnet.An inventive solution to this problem is specified in claim 1. Developments of the invention are characterized in the subclaims.
Nach der Konzeption der Erfindung werden entlang der Umfangslinie der in den Treibscheibenkranz vorhandenen Rille(n) beabstandet Inlay's in der Gestalt von Hochenergie-Magnete aus der Gruppe der Seltenen Erden mit Energieprodukten von z.B. 385 kJ/m3 eingebracht, die in angepasste Aussparungen der Rillenspur oberflächenkonform versenkt sind. Diese Anordnung kann für mehrere nebeneinanderliegende Rillen vorgenommen werden. Ergänzend können jeweils zwischen den Inlay's Kranz-Segmente angeordnet werden.According to the concept of the invention, inlays in the form of high-energy magnets from the group of rare earths with energy products of, for example, 385 kJ / m 3 are introduced along the circumferential line of the groove (s) present in the traction sheave ring, which are inserted into adapted recesses in the groove track are recessed to conform to the surface. This arrangement can be made for several grooves lying side by side. Complementary respectively between the inlay's ring segments are arranged.
Als Material für den o.g. Treibscheibenkranz oder die Kranz-Segmente können klassische Treibscheiben-Materialien wie GG und dgl. oder aber neue reibwerterhöhende Konstruktionswerkstoffe wie Stahlschaumwerkstoffe und Faserverbundkeramik eingesetzt werden, die den Ansprüchen an Druckfestigkeit und Verschleißfestigkeit für den Einsatz in Aufzugstreibscheiben oder ähnlichen Anwendungen genügen. Wählt man Kranz-Segmente, sollen dafür vorzugsweise Stahlschaumwerkstoffe und/oder Faserverbundkeramik eingesetzt werden. Durch diese spezielle Vorgehensweise gelingt es, die Coulomb'sche Reibkraft zu erhöhen, da die Reibwerte der Ruhe bei Einsatz von z.B. Faserverbundkeramik Werte von 0,4 erreichen und zusätzlich durch die in regelmäßigen Abständen als Inlays eingebrachten Hochenergie-Magnete die Normalkraft aus den Seilkräften von einer durch die Magnetkräfte erzeugten Normalkraft überlagert wird. Für diese Aussage gilt:Classic traction sheave materials such as GG and the like can be used as material for the above traction sheave ring or the ring segments or new construction materials such as steel foam materials and fiber composite ceramics which increase the friction value and meet the requirements for pressure resistance and wear resistance for use in elevator traction sheaves or similar applications. If wreath segments are selected, steel foam materials and / or fiber composite ceramics should preferably be used. This special procedure makes it possible to increase Coulomb's frictional force, since the coefficient of friction of the rest reaches values of 0.4 when using, for example, fiber composite ceramics, and additionally the normal force from the rope forces of by the high-energy magnets inserted as inlays at regular intervals a normal force generated by the magnetic forces is superimposed. The following applies to this statement:
FuMgn = -Mgn * Fft/ignFuMgn = -Mgn * Fft / ign
In dieser Gleichung bedeutenMean in this equation
FuMgn: am Umfang der Treibscheibe wirkende tangentiale Widerstands- kraft im Magnetbereich gegen die durch die größere Seilkraft hervorgerufene Seildehnung oder Rutsch; F gn: magnetische Haftkraft; μMgr>: Reibwert im Magnetbereich.Fu M gn: tangential resistance force acting on the circumference of the traction sheave in the magnetic area against the rope elongation or slip caused by the greater rope force; F gn: magnetic adhesive force; μMgr > : coefficient of friction in the magnetic range.
Zur Anwendung kommen die o.g. Hochenergie-Magnete, die als Permanentmagnete bezogen auf Haftkräfte, Härte, Form, Verschleißfestigkeit dem Einsatzfall angepasst zu fertigen sind. Ihre Anordnung in der jeweiligen Rillenspur erfolgt in der Weise, dass die Achse des Magneten und damit die Magnetkraft radial ausgerichtet ist.The above are used. High-energy magnets, which are to be manufactured as permanent magnets based on adhesive forces, hardness, shape, wear resistance, adapted to the application. They are arranged in the respective groove track in such a way that the axis of the magnet and thus the magnetic force is aligned radially.
Über die 360°-Umfangslinie des Treibscheiben-Kranzes verteilt angeordnet sind die Inlaysegmente und gegebenenfalls zusätzliche Kranz-Segmente, wobei diese Segmente gleichmäßig durch den Umfangswinkel α beabstandet sind. Die Größe des Winkels α hängt von der gewünschten Treibfähigkeit der Paarung Treibscheibe-Seil bzw. Treibscheibe-Band ab.The inlay segments and possibly additional ring segments are arranged distributed over the 360 ° circumferential line of the traction sheave ring, these segments being evenly spaced by the circumferential angle α. The size of the angle α depends on the desired driving ability of the drive pulley-rope or drive pulley-belt pairing.
Dieser technische Ansatz ermöglicht es, Rundrillen mindestens mit Reibwerten auszustatten, die denen von Keilrillen bei definiertem Keilwinkel und erreichbarem Verschleißzustand entsprechen, aber im Gegensatz zur Keilrille oder der unterschnittenen Rundrille einen stark reduzierten Rillenverschleiß (geringe Pressung) und hohe Seillebensdauer bezogen auf die jeweilige Auslegung gewährleisten.This technical approach makes it possible to equip round grooves with at least coefficients of friction that of wedge grooves with a defined wedge angle and achievable wear condition, but in contrast to the V-groove or the undercut round groove, guarantee a greatly reduced groove wear (low pressure) and a long rope service life in relation to the respective design.
Für die Lösung von extremen Anforderungen - z.B. der Kraftübertragung - sind auch andere Rillenformen - insbesondere Rundrillen mit Unterschnitt - mit diesem technischen Ansatz ausrüstbar.For the solution of extreme requirements - e.g. power transmission - other groove shapes - especially round grooves with undercut - can be equipped with this technical approach.
Die Optimierung der Treibscheibenauslegung bezogen aufThe optimization of the traction sheave design based on
• Magnethaftkraft, geometrische Form der Hochenergie-Permanent- magnete, Festlegung weiterer physikalischer Kennwerte, Anordnung der• Magnetic force, geometric shape of the high-energy permanent magnets, definition of further physical parameters, arrangement of the
Magnete einerseits und/oderMagnets on the one hand and / or
• Gestaltung des Treibscheibenkranzes aus GG, Kunststoffen und dgl., Schaumstahl oder Verbundkeramik andererseits erfolgt wahlweise entsprechend der jeweils vorliegenden technischen Zielstellung.• Design of the traction sheave ring from GG, plastics and the like, foam steel or composite ceramics, on the other hand, is optionally carried out in accordance with the respective technical objective.
Die Lösung erfordert einen modifizierten Ansatz der Eytelwein'schen Gleichung F1/F2 * φ (p) ≤ eμp mitThe solution requires a modified approach using Eytelwein's equation F1 / F2 * φ (p) ≤ e μp with
F1. F2 : Seilkräfte; φ (p) : Verzögerungsfaktor; e : Basis der natürlichen Logarithmen; μ : scheinbarer Reibwert; ß : geometrischer Umschlingungsbogen.F1. F2: rope forces; φ (p): deceleration factor; e: basis of natural logarithms; μ: apparent coefficient of friction; ß: geometric wrap.
Durch Verbreiterung der in ihrem Aufbau erläuterten Treibscheibe in axialer Richtung entsteht eine Antriebstrommel für mechanische Stetigförderer, die in ihrem Grundaufbau wie eine Treibscheibe aufgebaut ist, wobei eine Ausweitung der Anordnung von Kranz-Segmenten (5) und Inlay's (6) in axialer Richtung - also über die Breite der Antriebstrommel - erfolgt ist. Die mit dem Patent verbundenen Vorteile sind vielfältig, nämlich u.a.:By widening the traction sheave explained in its construction in the axial direction, a drive drum for mechanical continuous conveyors is created, which is constructed like a traction sheave in its basic construction, with an expansion of the arrangement of ring segments (5) and inlay 's (6) in the axial direction - So over the width of the drive drum - is done. There are many advantages to the patent, including:
• Erhöhung der Coulomb'schen Reibkraft durch Erhöhung von μsystem infolge Einsatz von Faserverbundkeramik oder Stahlschaumwerkstoffen u.a.• Increasing the Coulomb friction by increasing the μsystem due to the use of fiber composite ceramics or steel foam materials etc.
• Überlagerung der Coulomb'schen Reibkraft mit einer magnetischen Reibkraft - erzeugt durch Hochenergie-Magnete aus der Gruppe der• Superposition of Coulomb's frictional force with a magnetic frictional force - generated by high-energy magnets from the group of
Seltenen Erden.Rare Earth.
• Wahlweise Auslegung der Treibscheibe für verschleißarme Übertragung großer Umfangskräfte oder Übertragung sehr großer Umfangskräfte für Spezialeinsätze. Erreicht wurde eine wesentliche Erhöhung der Treibfähigkeit insbesondere von Rundrillen.• Optional design of the traction sheave for low-wear transmission of large circumferential forces or transmission of very large circumferential forces for special applications. A significant increase in the driving ability was achieved, especially for round grooves.
Die Kraftübertragung wird durch die genannten Maßnahmen wesentlich verbessert, die damit verbundenen Sekundärfolgen sind: • Masseeinsparungen im Seiltrieb durch vergrößertes und technisch übertragbares F1/F2-Verhältnis, Ermöglichung des extremen Leichtbaus in der Aufzugstechnik;The power transmission is significantly improved by the measures mentioned, the secondary consequences associated with them are: • Mass savings in the cable drive through an enlarged and technically transferable F1 / F2 ratio, enabling extreme lightweight construction in elevator technology;
• Mögliche Reduzierung des erforderlichen Treibscheibendurchmessers;• Possible reduction of the required traction sheave diameter;
• Reduzierung der Seildurchmesser infolge verringerter Bean- spruchungen, da Verschleiß durch Dehnung und Rutsch im Bereich der• Reduction of the rope diameter as a result of reduced stresses, as wear due to stretching and slipping in the area of the
Treibscheibe weitgehend reduziert wird.Traction sheave is largely reduced.
• bedingt durch einen kleineren Treibscheibendurchmesser kleinere Antriebe durch erhöhte Drehzahl der Treibscheibe;• due to a smaller traction sheave diameter, smaller drives due to increased traction sheave speed;
• Reduzierung des Energieaufwandes; jeweils verbunden mit den zugehörigen wirtschaftlichen Vorteilen.• Reduction of energy expenditure; each associated with the associated economic benefits.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die zugehörige Zeichnung. Es zeigen Fig. 1 die Ausführung des Treibscheiben-Kranzes mit Kranz-Segmenten aus Faserverbundkeramik, angeordnet zwischen den Inlays aus Hochenergie-Magneten, Fig. 2 die Darstellung eines Rillensegments, das aus einem von der sonstigen Ausführung des Rillenkranzes abweichendem Werkstoff besteht. Aus diesem Werkstoff könnte bei anderer konstruktiver Lösung auch der gesamte Kranz bestehen, in den dann die Bohrungen für die Aufnahme der Hochenergie-Magnete eingebracht werden.Further details, features and advantages of the invention emerge from the following description of an exemplary embodiment with reference to the associated drawing. Show it 1 shows the design of the traction sheave ring with ring segments made of fiber composite ceramic, arranged between the inlays made of high-energy magnets, FIG. 2 shows a groove segment which consists of a material that differs from the other version of the groove ring. In the case of another constructive solution, the entire ring could also be made of this material, into which the holes for receiving the high-energy magnets could then be made.
Fig. 3 Die Ausführung einer Treibscheibe für Hochleistungsreibpaarungen, bei der in den Rillenspuren des Treibscheibenkranzes als Inlay-SegmenteFig. 3 The design of a traction sheave for high-performance friction pairings, in which in the groove tracks of the traction sheave ring as inlay segments
Hochenergie-Magneten eingebracht sind.High energy magnets are introduced.
Eine beispielhafte Anordnung von Kranz-Segmenten 5 und ggf. Inlay's 6 über die 360°-Umfangslinie des Treibscheiben-Kranzes 2 ist in Fig. 1 dargestellt. Die Kranz-Segmente 5 sind in jeder Rillenspur 3, s. Schnitt A-A, voneinander beabstandet über den Umfangwinkel α angeordnet. Sie können alternativ in axialer Richtung aus einem Stück bestehen, in das alle Rillenspuren 3 eingebracht sind.An exemplary arrangement of ring segments 5 and possibly inlay's 6 over the 360 ° circumferential line of the traction sheave ring 2 is shown in FIG. 1. The ring segments 5 are in each groove track 3, see. Section A-A, spaced apart from each other over the circumferential angle α. Alternatively, they can consist of one piece in the axial direction, into which all groove tracks 3 are introduced.
Zusätzlich oder ausschließlich können zur Erreichung einer bestimmten Treibfähigkeit der Treibscheibe andere Anordnungen, Konstruktionen und Verteilungsdichten von Inlay-Segmente 6 (Hochenergie-Magnete) über den Umfang des Treibscheiben-Kranzes 2 gewählt werden.In addition or exclusively, other arrangements, constructions and distribution densities of inlay segments 6 (high-energy magnets) over the circumference of the traction sheave ring 2 can be selected in order to achieve a specific traction capacity of the traction sheave.
Die beispielhafte Geometrie eines Kranz-Segments 5 zeigt als Einzelheit B Fig.The exemplary geometry of a wreath segment 5 shows as detail B FIG.
2.Second
Die Form der Rille 3 wird von ihrem Krümmungsradius bestimmt, wobei d demThe shape of the groove 3 is determined by its radius of curvature, where d is the
Durchmesser des Seiles 4 entspricht. Die Abmessungen für Breite b und Höhe h eines Kranz-Segments 5 entsprechen etwa dem doppelten Rillendurchmesser d, also b = h ~ 2d.Diameter of the rope 4 corresponds. The dimensions for width b and height h of a crown segment 5 correspond approximately to twice the groove diameter d, ie b = h ~ 2d.
Die Länge I eines Kranz-Segments 5 beträgt mindestens das 3-fache des Seildurchmessers d, also I ~ 3d.The length I of a wreath segment 5 is at least 3 times the rope diameter d, i.e. I ~ 3d.
Fig. 3 veranschaulicht die Ausführung einer Treibscheibe für Hochleistungsreibpaarungen mit analog zum Aufbau nach Fig. 1 eingebrachten Hochenergie-Magneten 6 als Inlay-Segmente. Die Hochenergie-Magneten 6 haben eine zylindrische Form, s. Einzelheit C, mit folgenden Abmessungen für Höhe h und Durchmesser der Magneten dM: h ~ 25 - 35 mm dM ~ 20 - 32 mm.FIG. 3 illustrates the design of a traction sheave for high-performance friction pairings with high-energy magnets 6 introduced as inlay segments, analogously to the structure according to FIG. 1. The high-energy magnets 6 have a cylindrical shape, see. Detail C, with the following dimensions for height h and diameter of the magnets d M : h ~ 25 - 35 mm d M ~ 20 - 32 mm.
Hier ist auch die Polarität eingezeichnet.The polarity is also shown here.
Derartige Magnete erreichen z.Z. Haftkräfte von 42 - 700 NSuch magnets currently reach Holding forces from 42 to 700 N.
Als Material für den Treibscheiben-Grundkörper 1 und Treibscheibenkranz 2 wird in beiden Ausführungsbeispielen ein traditioneller Grauguss (GG)- Werkstoff eingesetzt.In both exemplary embodiments, a traditional gray cast iron (GG) material is used as the material for the traction sheave base body 1 and traction sheave ring 2.
Der Kranz kann, wenn dafür hochwertige Materialien wie Schaumstahl, Faserverbundkeramik o. ä. zum Einsatz kommen, gesondert gefertigt und mit dem Grundkörper in geeigneter Form verbunden werden.If high-quality materials such as foam steel, fiber composite ceramics or similar are used for this, the wreath can be manufactured separately and connected to the base body in a suitable form.
LISTE DER BEZUGSZEICHENLIST OF REFERENCES
1 Treibscheiben-Radkörper1 traction sheave wheel center
2 Treibscheiben-Kranz2 traction sheave ring
3 Rillen, Rillenspur3 grooves, groove track
4 Drahtseil4 wire rope
5 Kranz-Segmente5 wreath segments
6 Inlay's (Hochenergie-Magnete) 6 inlay 's (high-energy magnets)

Claims

PATENTANSPRÜCHE PATENT CLAIMS
1. Treibscheibe für Hochleistungsreibpaarungen vorwiegend zur Nutzung in Aufzügen also für Draht-Seilantriebe und dgl., bestehend aus Treibscheiben-Radkörper (1), Treibscheiben-Kranz (2) und auf der Außenseite in den Kranz (2) eingebrachten Rillen (3) zur Seilführung, dadurch gekennzeichnet, dass zur verbesserten Kraftübertragung zwischen den Rillen im Treibscheiben-Kranz (2) und Seil (4) entlang der Umfangslinie in den Treibscheiben-Kranz (2) oder einer speziellen Kranz-Konstruktion (3) beabstandet Kranz-Segmente (5) als Segmente der Rillenspur aus unterschiedlichen Materialien und alternierend zu den1. Traction sheave for high-performance friction pairs, primarily for use in elevators, i.e. for wire rope drives and the like., consisting of traction sheave wheel body (1), traction sheave rim (2) and grooves (3) made on the outside in the rim (2). Rope guide, characterized in that for improved power transmission between the grooves in the traction sheave rim (2) and rope (4) along the circumferential line in the traction sheave rim (2) or a special rim construction (3) spaced rim segments (5 ) as segments of the groove track made of different materials and alternating to the
Kranz-Segmenten (5) Hochenergie-Magnete als Inlays (6) eingebracht sind, wobei als Materialien für die Kranz-Segmente (5), z.B. Stahlschaumwerkstoffe und/oder Faserverbundkeramik und dgl., jeweils mit erhöhten Reibwerten, vorgesehen sind.High-energy magnets are introduced as inlays (6) into the crown segments (5), with materials for the crown segments (5), for example steel foam materials and/or fiber composite ceramics and the like, each with increased coefficients of friction, being provided.
Treibscheibe nach Anspruch 1 , dadurch gekennzeichnet, dass die Rillen (3) im Treibscheiben-Kranz oder in den Kranz-Segmenten Traction sheave according to claim 1, characterized in that the grooves (3) in the traction sheave rim or in the rim segments
(2) als Rundrillen oder unterschnittene Rundrillen ausgeführt sind.(2) are designed as round grooves or undercut round grooves.
3. Treibscheibe nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die in die Rillenspur (3) eingesetzten Kranz-Segmente (5) vorzugsweise eine Kreissegmentform aufweisen und oberflächenkonform mit der Rillenspur (3) in passfähige formschlüssige Ausnehmungen des Treibscheiben-Kranzes (2) eingebracht sind.3. Traction sheave according to claim 1 or 2, characterized in that the rim segments (5) inserted into the groove track (3) preferably have a circular segment shape and are surface-conform with the groove track (3) in fit, positive recesses in the traction sheave rim (2). are introduced.
4. Treibscheibe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Anordnung der Hochenergie- Magnete als Inlays (6) in der Rillenspur (3) so erfolgt, dass die Achse des Magnetfeldes und damit die Magnetkraft radial gerichtet ist.4. Traction sheave according to one of claims 1 to 3, characterized in that the arrangement of the high-energy Magnets are used as inlays (6) in the groove track (3) in such a way that the axis of the magnetic field and thus the magnetic force is directed radially.
5. Treibscheibe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Kranz-Segmente (5) und die Inlays (6) entlang der 360° - Umfangslinie der Rillenspur(en) (3) alternierend und jeweils um den Umfangswinkel α versetzt angeordnet sind.5. Traction sheave according to one of claims 1 to 4, characterized in that the rim segments (5) and the inlays (6) along the 360 ° circumferential line of the groove track (s) (3) alternately and each offset by the circumferential angle α are arranged.
6. Treibscheibe nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass mehrere Rillenspuren (3) mit Kranz — Segmenten (5) und/oder Inlay's (6) in axialer Richtung der entsprechend breiten Treibscheibe (1 ) angeordnet sind.6. Traction sheave according to one of claims 1 to 5, characterized in that a plurality of groove tracks (3) with rim segments (5) and / or inlays (6) are arranged in the axial direction of the correspondingly wide traction sheave (1).
7. Treibscheibe nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Grundkörper der Treibscheibe (1 ) aus Grauguss oder Stahlguss oder Stahl oder geeigneten7. Traction sheave according to one of claims 1 to 6, characterized in that the base body of the traction sheave (1) is made of gray cast iron or cast steel or steel or suitable
Verbundwerkstoffen oder Kunststoff gefertigt ist, und auf dem Treibscheiben-Radkörper ein Treibscheibenkranz (2) - entsprechender Stärke aus geeignetem Grauguss oder legiertem Grauguss oder Stahlguss oder legiertem Stahlguss oder Schaumstahl oder einer Spezialkeramik oder Spezialkunststoffen - versehen mit voneinander beabstandeten Aussparungen zur Aufnahme der Hochenergie-Magnete (6) dehnungssicher aufgebracht ist.Composite materials or plastic, and on the traction sheave wheel body a traction sheave rim (2) - of appropriate thickness made of suitable gray cast iron or alloyed gray cast iron or cast steel or alloy cast steel or foam steel or a special ceramic or special plastics - provided with spaced-apart recesses to accommodate the high-energy magnets (6) is applied to prevent stretching.
8. Treibscheibe nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass durch Verbreiterung der Treibscheibe8. Traction sheave according to one of claims 1 to 7, characterized in that by widening the traction sheave
(1 ) in axialer Richtung eine Antriebstrommel für mechanische Stetigförderer entsteht, die einen Grundaufbau wie eine Treibscheibe aufweist und die Kranz-Segmenten (5) und Inlay's (6) in axialer Richtung über die Breite der Antriebstrommel angeordnet sein können. (1) a drive drum for mechanical continuous conveyors is created in the axial direction, which has a basic structure like a traction sheave and the ring segments (5) and inlays (6) can be arranged in the axial direction across the width of the drive drum.
EP03720161A 2002-03-08 2003-03-07 Drive disk for high performance friction pairings Expired - Lifetime EP1483191B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10211196 2002-03-08
DE10211196 2002-03-08
PCT/DE2003/000808 WO2003076324A1 (en) 2002-03-08 2003-03-07 Drive disk for high performance friction pairings

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EP1483191A1 true EP1483191A1 (en) 2004-12-08
EP1483191B1 EP1483191B1 (en) 2006-05-31

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EP (1) EP1483191B1 (en)
JP (1) JP2005519010A (en)
CN (1) CN100545071C (en)
AT (1) ATE327961T1 (en)
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DE (1) DE50303576D1 (en)
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US8132789B2 (en) 2012-03-13
CN100545071C (en) 2009-09-30
US20110108785A1 (en) 2011-05-12
ATE327961T1 (en) 2006-06-15
AU2003223859A1 (en) 2003-09-22
JP2005519010A (en) 2005-06-30
RU2327628C2 (en) 2008-06-27
DE50303576D1 (en) 2006-07-06
CN1639048A (en) 2005-07-13
WO2003076324A1 (en) 2003-09-18
RU2004130321A (en) 2005-05-10
EP1483191B1 (en) 2006-05-31

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