EP1655193B1 - Cable gripper for coupling a cabin or a chair to the hauling/traction cable of a cableway installation - Google Patents

Cable gripper for coupling a cabin or a chair to the hauling/traction cable of a cableway installation Download PDF

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Publication number
EP1655193B1
EP1655193B1 EP05450164A EP05450164A EP1655193B1 EP 1655193 B1 EP1655193 B1 EP 1655193B1 EP 05450164 A EP05450164 A EP 05450164A EP 05450164 A EP05450164 A EP 05450164A EP 1655193 B1 EP1655193 B1 EP 1655193B1
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EP
European Patent Office
Prior art keywords
jaws
clamping device
clamping
region
cheeks
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EP05450164A
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German (de)
French (fr)
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EP1655193A1 (en
Inventor
Peter Luger
Bernd Meindl
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Innova Patent GmbH
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Innova Patent GmbH
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Priority to SI200530362T priority Critical patent/SI1655193T1/en
Priority to PL05450164T priority patent/PL1655193T3/en
Publication of EP1655193A1 publication Critical patent/EP1655193A1/en
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Publication of EP1655193B1 publication Critical patent/EP1655193B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/12—Cable grippers; Haulage clips
    • B61B12/122—Cable grippers; Haulage clips for aerial ropeways

Definitions

  • the invention relates to a clamping device for coupling a driving means, e.g. a cabin or an armchair, to the conveying or traction cable of a cable car system, with two jaws which are movable towards each other for coupling and uncoupling of the clamping device from the conveyor or traction cable, wherein change jaws are attached to the jaws over which attack the jaws on the conveyor or pull rope, and wherein the jaws abut with abutment surfaces on mating surfaces of the jaws.
  • a driving means e.g. a cabin or an armchair
  • the GB 984 003 A shows a clamping device for a support or hoisting rope with two pivotable arms which are movable towards each other for coupling and uncoupling of the clamping device from the support or hoisting rope. Jaws are attached to the arms, with the jaws resting on flat surfaces on the arms.
  • a clamping device for coupling a driving means to a pull rope which has two clamping jaws, which are for coupling and uncoupling of the clamping device from the pull rope to each other or moved apart.
  • the jaws are positively and interchangeably attached to a clamping lever and the clamping body.
  • a suspension device for a cableway which has jaws which are movable toward and away from each other. Within the jaws clamping shells are arranged, which engage the pull rope. Between the jaws and the clamping shells are arranged on heat-responsive plastic strips which hold the jaws and clamps at a distance.
  • the invention has for its object to provide a clamping device of the type mentioned above, which avoids the above problems as much as possible.
  • the interchangeable jaws Due to the concave curved contact surface on the jaws, and the associated and correspondingly convexly curved counter surface on the interchangeable jaws both problems are solved at once.
  • the interchangeable jaws have a substantially cylindrical cross-sectional profile, so that in comparison to the prior art material can be saved on the interchangeable jaws, and on the other hand there is a very good fit of the interchangeable jaws on the jaws by the arcuate curvature of investment or counter surfaces.
  • the contact surface and the counter surface are circular cylindrical curved. This embodiment provides easy to produce surfaces and as mentioned good fit.
  • a further preferred embodiment of the invention is characterized in that the contact surface with which a change jaw acts on the conveying or pulling cable, has a substantially parallel course to the counter surface.
  • the radius of curvature is greater than the radius of curvature of the contact surface in the middle curvature, results in each interchangeable contact area, which consists of two spaced, strip-shaped contact surfaces, creating a very good contact between the rope and interchangeable jaws is created ,
  • the radius of curvature of the contact surface increases outwards from the central region, and in particular transitions into a substantially planar region.
  • the contact surface has groove-shaped depressions in the middle region or has a groove-shaped depression. Above and below this groove or grooves contact areas are created, with which the interchangeable jaws lie exactly defined on the rope.
  • the interchangeable jaw has two cheeks which extend laterally next to the clamping jaws.
  • the cheeks have a gradation on the sides facing each other, wherein the distance between projections of the gradation of the two cheeks is smaller than the distance between recesses on the cheeks.
  • This embodiment has the advantage that in the longitudinal direction of the rope acting on the jaws shear forces exert only very low bending moments on the cheeks, whereby the load in the critical transition region between mating surface and cheeks can be kept small, resulting in a favorable dimensioning of the jaws leads.
  • the width of the projection is about 15-50%, preferably 20-30% of the width of the cheek.
  • the interchangeable jaws via sleeves that are inserted through mounting holes in the cheeks and corresponding holes in the jaws and screwed there, connected to the jaws.
  • this form of attachment is preferred in the invention, when the projection extends approximately into the region of a mounting hole or slightly in the region of the mounting hole, since in this way the fastening means, i. the sleeves and the screws, are subjected to the power transmission before the jaws on the jaws only very low loads.
  • FIG. 1 an inventive clamping device in oblique
  • Fig. 2 partly the clamping device of Fig. 1 in disassembled condition
  • Fig. 3 an inventive change jaw.
  • a clamping device which, as is known from the AT 404 458 B is known, two clamping levers 1 and 2, which are connected to one another at a hinge 3.
  • a roller 4, 5 is mounted, which run in the stations of a cable car partially along guide rails.
  • the clamping lever 1, 2 are pivoted against each other by the rollers 4, 5, whereby the jaws 6, 7 can be moved toward or away from each other, since the jaw 6 is mounted on the clamping lever 2 and the jaw 7 on the clamping lever 3.
  • the clamping device is shown in the closed position in which an unillustrated rope between the jaws 6, 7 would be clamped.
  • the jaws 6, 7 are subject to wear in their contact area with the cable, this wear must be compensated at the contact surfaces at regular intervals. It can also happen that the rope diameter changes due to an exchange of the rope, be it due to maintenance or other reasons. Also in this case, the jaws 6, 7 can be easily adapted to the new rope diameter using the invention.
  • interchangeable jaws 11 are mounted on the clamping jaws 6, 7.
  • the interchangeable jaws have a central part 12, which has on its rear side a cylindrically curved mating surface 13 to a correspondingly curved contact surface 14 on each clamping jaw 6, 7.
  • the contact surface 15 on the side of the middle part 12 facing the cable has a course that is essentially but not completely parallel to the mating surface 13.
  • the contact surface 15 has a central region, on which a longitudinal groove 16 or grooves are attached. Above and below this groove 16 or grooves are contact areas with which the interchangeable jaws 11 lie flat against the rope. This design of the contact surfaces results in a very reliable clamping action.
  • the contact surface in the middle region with a radius of curvature which is smaller than the radius of the cable.
  • the radius of curvature then increases towards the outside, that is to say above and below towards the longitudinal edges of the middle region 12, so that the interchangeable jaws become 11 apply the rope only in these areas with a larger radius of curvature. This also makes it possible to achieve a very reliable clamping effect.
  • the interchangeable jaws 11 cheeks 17, 18 which extend laterally next to the jaws 6, 7.
  • a bore 19 is mounted and on each side of the jaws 6, 7 a bore 20.
  • a sleeve 21 is inserted, which then is screwed with a screw 22 to the jaws 6, 7.
  • the change jaws 11 are therefore determined only with the help of these sleeves 21 to the jaws 6, 7, these sleeves do not have to transmit any significant forces, since the interchangeable jaws 11 by the concave contact surfaces 14 on the jaws 6, 7 and the corresponding convexly curved mating surfaces 13 on the interchangeable jaws 6, 7 in the transverse direction to the longitudinal extension of the cable or the interchangeable jaws 11 and the frictional forces acting between these surfaces 13, 14 are held very good form and locks.
  • the cheeks In order to positively transfer the forces acting in the longitudinal direction of the cable from the interchangeable jaws 11 to the jaws 6, 7, the cheeks with their jaws 6, 7 facing surfaces 23 on the associated surfaces 24 of the jaws 6, 7 with little play , In order to prevent undesirable high bending forces acting on the cheeks 17, 18 or the transition region between the cheeks 17, 18 and the middle part 12, the inner surfaces 23 of the cheeks 17, 18 have a step 25, the distance between projections 23b the gradation 25 of the two cheeks 17, 18 is smaller than the distance between recesses 23 a. Thus, the cheeks are actually only on the side surfaces 24 of the jaws 6, 7 with the areas 23b lying close to the mating surface 13.
  • the on the jaws 6, 7 on the cheeks 17, 18 on the middle part 12 and further on the rope to be transmitted longitudinal forces are therefore transmitted primarily as shearing forces of the cheeks 17, 18 on the middle part 12, wherein the cheeks 17, 18 and acting on the transition region between the cheeks 17, 18 and the central part 12 bending forces due to the short lever arm are relatively small, which has a positive effect on the load and subsequently dimensioning of the change jaws 11.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Communication Cables (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Automatic Assembly (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

The device has clamping jaws (6, 7) movable on top of each other and/or apart to couple and/or uncouple the device from a hoisting cable and/or towing rope. Replaceable jaws (11) are attached at the jaws (6, 7) so that the jaws (6, 7) are engaged at the cable and/or rope. The jaws (6, 7, 11) have a concavely and convexly curved contact and anti surfaces (14, 13), respectively. The surfaces are curved in the form of a circular cylinder.

Description

Die Erfindung betrifft eine Klemmvorrichtung zum Ankuppeln eines Fahrbetriebsmittels, z.B. einer Kabine oder eines Sessels, an das Förder- bzw. Zugseil einer Seilbahnanlage, mit zwei Klemmbacken, die zum An- und Abkuppeln der Klemmvorrichtung vom Förder- bzw. Zugseil aufeinander zu- bzw. auseinander bewegbar sind, wobei an den Klemmbacken Wechselbacken befestigt sind, über welche die Klemmbacken am Förder- bzw. Zugseil angreifen, und wobei die Klemmbacken mit Anlageflächen an Gegenflächen der Wechselbacken anliegen.The invention relates to a clamping device for coupling a driving means, e.g. a cabin or an armchair, to the conveying or traction cable of a cable car system, with two jaws which are movable towards each other for coupling and uncoupling of the clamping device from the conveyor or traction cable, wherein change jaws are attached to the jaws over which attack the jaws on the conveyor or pull rope, and wherein the jaws abut with abutment surfaces on mating surfaces of the jaws.

Bei Klemmvorrichtungen zum Ankuppeln von Fahrbetriebsmitteln, z.B. Kabinen oder Sesseln an das Förder- bzw. Zugseil einer Seilbahnanlage, wie sie z.B. aus der AT 404 458 B bekannt sind, werden Hebelsysteme verwendet, die über Klemmbacken am Förder- bzw. Zugseil der Seilbahnanlage angreifen. Durch Verschleiß an den Klemmbacken und am Seil, Umrüsten der Klemmvorrichtung oder Austausch des Seiles kann es erforderlich werden, die Klemmbacken entweder nachzubearbeiten oder, falls dies nicht möglich ist, komplett auszutauschen. Um dies zu vermeiden, wurde bereits vorgeschlagen an den Klemmbacken Wechselbacken anzubringen, die über eine ebene Anlagefläche an den Klemmbacken anlagen und dort befestigt wurden. Diese Form von Wechselbacken löste zwar das Problem die Klemmbacken nachzubearbeiten bzw. auszutauschen, es war allerdings konstruktionsbedingt für die Klemmbacken und die Wechselbacken ein relativ hoher Materialbedarf gegeben und auch der Sitz der Wechselbacken an den Klemmbacken war nicht völlig zufriedenstellend.In clamping devices for coupling driving equipment, such as cabins or armchairs to the conveying or traction cable of a cable car system, as for example from the AT 404 458 B are known, lever systems are used, which attack via jaws on the conveying or traction cable of the cable car system. By wear on the jaws and on the rope, retooling the clamp or replacement of the rope, it may be necessary either rework the jaws or, if this is not possible to replace completely. To avoid this, it has been proposed to attach to the jaws change jaws, which were attached to a flat contact surface on the jaws and fastened there. Although this form of interchangeable jaws solved the problem of reworking or replacing the jaws, but it was due to the design of the jaws and the jaws given a relatively high material requirements and also the seat of the jaws to the jaws was not completely satisfactory.

Die GB 984 003 A zeigt eine Klemmvorrichtung für ein Trag- oder Förderseil mit zwei verschwenkbaren Armen, die zum An- und Abkuppeln der Klemmvorrichtung vom Trag- oder Förderseil aufeinander zu bzw. auseinander bewegbar sind. An den Armen sind Backen befestigt, wobei die Backen über ebene Flächen an den Armen anliegen.The GB 984 003 A shows a clamping device for a support or hoisting rope with two pivotable arms which are movable towards each other for coupling and uncoupling of the clamping device from the support or hoisting rope. Jaws are attached to the arms, with the jaws resting on flat surfaces on the arms.

Aus der EP-A-0 852 198 ist eine Klemmvorrichtung zum Ankuppeln eines Fahrbetriebsmittels an ein Zugseil bekannt, die zwei Klemmbacken aufweist, die zum An- und Abkuppeln der Klemmvorrichtung vom Zugseil aufeinander zu bzw. auseinander bewegbar sind. Die Klemmbacken sind formschlüssig und austauschbar an einem Klemmhebel und am Klemmkörper befestigt.From the EP-A-0 852 198 a clamping device for coupling a driving means to a pull rope is known, which has two clamping jaws, which are for coupling and uncoupling of the clamping device from the pull rope to each other or moved apart. The jaws are positively and interchangeably attached to a clamping lever and the clamping body.

Aus der DE 25 00 979 A ist eine Klemmvorrichtung für eine Seilschwebebahn bekannt, die aufeinander zu und auseinander bewegbare Klemmbacken aufweist. Innerhalb der Klemmbacken sind Klemmschalen angeordnet, die am Zugseil angreifen. Zwischen den Klemmbacken und den Klemmschalen sind auf Wärme ansprechende Kunststoffleisten angeordnet, welche die Klemmbacken und Klemmschalen auf Abstand halten.From the DE 25 00 979 A For example, there is known a suspension device for a cableway which has jaws which are movable toward and away from each other. Within the jaws clamping shells are arranged, which engage the pull rope. Between the jaws and the clamping shells are arranged on heat-responsive plastic strips which hold the jaws and clamps at a distance.

Der Erfindung liegt die Aufgabe zu Grunde eine Klemmvorrichtung der eingangs genannten Art zur Verfügung zu stellen, welche die oben genannten Probleme so weit wie möglich vermeidet.The invention has for its object to provide a clamping device of the type mentioned above, which avoids the above problems as much as possible.

Gelöst wird diese Aufgabe mit einer Klemmvorrichtung mit den Merkmalen des Anspruches 1.This object is achieved with a clamping device having the features of claim 1.

Auf Grund der konkav gekrümmten Anlagefläche an den Klemmbacken, bzw. der zugeordneten und entsprechend konvex gekrümmten Gegenfläche an den Wechselbacken werden beide Probleme auf einmal gelöst. Zum einen weisen die Wechselbacken einen im Wesentlichen zylinderförmigen Querschnittsverlauf auf, sodass im Vergleich zum Stand der Technik Material an den Wechselbacken eingespart werden kann, und zum anderen ergibt sich ein sehr guter Sitz der Wechselbacken an den Klemmbacken durch die bogenförmige Krümmung der Anlage- bzw. Gegenflächen.Due to the concave curved contact surface on the jaws, and the associated and correspondingly convexly curved counter surface on the interchangeable jaws both problems are solved at once. On the one hand, the interchangeable jaws have a substantially cylindrical cross-sectional profile, so that in comparison to the prior art material can be saved on the interchangeable jaws, and on the other hand there is a very good fit of the interchangeable jaws on the jaws by the arcuate curvature of investment or counter surfaces.

In einer bevorzugten Ausführungsform der Erfindung sind die Anlagefläche und die Gegenfläche kreiszylinderförmig gekrümmt. Diese Ausführungsform ergibt einfach herzustellende Flächen und wie erwähnt guten Sitz.In a preferred embodiment of the invention, the contact surface and the counter surface are circular cylindrical curved. This embodiment provides easy to produce surfaces and as mentioned good fit.

Eine weitere bevorzugte Ausführungsform der Erfindung ist dadurch gekennzeichnet, dass die Kontaktfläche, mit welcher eine Wechselbacke am Förder- bzw. Zugseil angreift, einen im Wesentlichen parallelen Verlauf zur Gegenfläche aufweist.A further preferred embodiment of the invention is characterized in that the contact surface with which a change jaw acts on the conveying or pulling cable, has a substantially parallel course to the counter surface.

Da das Seil einen runden Querschnitt aufweist, dessen Krümmungsradius größer als der Krümmungsradius der Kontaktfläche im mittleren Krümmungsbereich ist, ergibt sich an jeder Wechselbacke ein Kontaktbereich, der aus zwei voneinander beabstandeten, streifenförmigen Kontaktflächen besteht, wodurch ein sehr guter Kontakt zwischen Seil und Wechselbacken geschaffen wird.Since the rope has a round cross-section, the radius of curvature is greater than the radius of curvature of the contact surface in the middle curvature, results in each interchangeable contact area, which consists of two spaced, strip-shaped contact surfaces, creating a very good contact between the rope and interchangeable jaws is created ,

In Weiterbildung der Erfindung kann dabei vorgesehen sein, dass der Krümmungsradius der Kontaktfläche vom Mittelbereich nach außen zunimmt, und insbesondere in einen im Wesentlichen ebenen Bereich übergeht.In a further development of the invention, it may be provided that the radius of curvature of the contact surface increases outwards from the central region, and in particular transitions into a substantially planar region.

Alternativ oder zusätzlich kann vorgesehen sein, dass die Kontaktfläche im Mittelbereich rillenförmige Vertiefungen aufweist oder eine nutenförmige Vertiefung aufweist. Oberhalb und unterhalb dieser Nut oder Rillen werden Kontaktbereiche geschaffen, mit denen die Wechselbacken genau definiert am Seil anliegen.Alternatively or additionally, it may be provided that the contact surface has groove-shaped depressions in the middle region or has a groove-shaped depression. Above and below this groove or grooves contact areas are created, with which the interchangeable jaws lie exactly defined on the rope.

Um die Wechselbacken an den Klemmbacken zu befestigen kann, wie dies an sich bekannt ist, vorgesehen sein, dass die Wechselbacke zwei Wangen aufweist, die sich seitlich neben den Klemmbacken erstrecken.In order to fasten the interchangeable jaws to the clamping jaws, as is known per se, it can be provided that the interchangeable jaw has two cheeks which extend laterally next to the clamping jaws.

In einer bevorzugten Weiterbildung der Erfindung kann dabei vorgesehen sein, dass die Wangen an den einander zugewandten Seiten eine Abstufung aufweisen, wobei der Abstand zwischen Vorsprüngen der Abstufung der beiden Wangen kleiner ist als der Abstand zwischen Rücksprüngen an den Wangen.In a preferred embodiment of the invention can be provided that the cheeks have a gradation on the sides facing each other, wherein the distance between projections of the gradation of the two cheeks is smaller than the distance between recesses on the cheeks.

Durch die Abstufungen bzw. die Vorsprünge kann an den Wangen der Anlagebereich an den Klemmbacken sehr genau definiert werden, wodurch sich exakt berechenbare Belastungsverhältnisse an den Wechselbacken ergeben.Due to the gradations or the projections can be defined very well on the cheeks of the investment area on the jaws, which is give exactly calculable load conditions on the interchangeable jaws.

Dabei ist im Rahmen der Erfindung bevorzugt, wenn der Vorsprung im Bereich neben der Gegenfläche der Wechselbacke angeordnet ist.It is preferred in the context of the invention, when the projection is arranged in the area adjacent to the counter surface of the interchangeable jaw.

Diese Ausführungsform bietet den Vorteil, dass in Längsrichtung des Seils auf die Wechselbacken wirkende Schubkräfte auf die Wangen nur sehr geringe Biegemomente ausüben, wodurch die Belastung im kritischen Übergangsbereich zwischen Gegenfläche und Wangen klein gehalten werden kann, was in weiterer Folge zu einer günstigen Dimensionierung der Wechselbacken führt.This embodiment has the advantage that in the longitudinal direction of the rope acting on the jaws shear forces exert only very low bending moments on the cheeks, whereby the load in the critical transition region between mating surface and cheeks can be kept small, resulting in a favorable dimensioning of the jaws leads.

Im Rahmen der Erfindung ist dabei bevorzugt, wenn die Breite des Vorsprunges etwa 15 - 50 % vorzugsweise 20 - 30 % der Breite der Wange beträgt.In the context of the invention, it is preferred if the width of the projection is about 15-50%, preferably 20-30% of the width of the cheek.

Die Wechselbacken werden, wie dies an sich aus dem Stand der Technik bekannt ist, über Hülsen, die durch Montagebohrungen in den Wangen und in entsprechende Bohrungen in den Klemmbacken gesteckt und dort festgeschraubt sind, mit den Klemmbacken verbunden. Bei dieser Form der Befestigung ist im Rahmen der Erfindung bevorzugt, wenn sich der Vorsprung bis etwa in den Bereich einer Montagebohrung oder geringfügig in den Bereich der Montagebohrung erstreckt, da auf dieser Weise die Befestigungseinrichtung, d.h. die Hülsen und die Schrauben, bei der Kraftübertragung vor den Wechselbacken auf die Klemmbacken nur sehr geringen Belastungen ausgesetzt sind.The interchangeable jaws, as is known from the prior art, via sleeves that are inserted through mounting holes in the cheeks and corresponding holes in the jaws and screwed there, connected to the jaws. In this form of attachment is preferred in the invention, when the projection extends approximately into the region of a mounting hole or slightly in the region of the mounting hole, since in this way the fastening means, i. the sleeves and the screws, are subjected to the power transmission before the jaws on the jaws only very low loads.

Weiter Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung einer bevorzugten Ausführungsform der Erfindung.Further features and advantages of the invention will become apparent from the following description of a preferred embodiment of the invention.

Es zeigt Fig. 1 eine erfindungsgemäße Klemmvorrichtung im Schrägriss, Fig. 2 teilweise die Klemmvorrichtung von Fig. 1 im auseinandergenommenen Zustand und Fig. 3 eine erfindungsgemäße Wechselbacke.It shows Fig. 1 an inventive clamping device in oblique, Fig. 2 partly the clamping device of Fig. 1 in disassembled condition and Fig. 3 an inventive change jaw.

In Fig. 1 ist eine Klemmvorrichtung dargestellt, die, wie dies an sich aus der AT 404 458 B bekannt ist, zwei Klemmhebel 1 und 2 aufweist, die an einem Gelenk 3 miteinander verbunden sind. An jedem Klemmhebel 1, 2 ist eine Rolle 4, 5 gelagert, die in den Stationen einer Seilbahn teilweise an Führungsschienen entlang laufen. Durch einen geeigneten Verlauf dieser Führungsschienen können die Klemmhebel 1, 2 durch die Rollen 4, 5 gegeneinander verschwenkt werden, wodurch die Klemmbacken 6, 7 aufeinander zu oder auseinander bewegt werden können, da die Klemmbacke 6 am Klemmhebel 2 und die Klemmbacke 7 am Klemmhebel 3 angebracht ist. In Fig. 1 ist die Klemmvorrichtung in der geschlossenen Stellung dargestellt, in der ein nicht dargestelltes Seil zwischen den Klemmbacken 6, 7 festgeklemmt wäre. Werden die Klemmhebel 1, 2 durch Auseinanderbewegen der Rollen 4, 5 verschwenkt, wird eine Feder 8 am Klemmhebel 2 durch ein am Klemmhebel 1 gelenkig gelagertes Kniehebelpaar 9, dessen anderes Ende mittels einer Hülse 10 am Klemmhebel 2 verschiebbar geführt ist, zusammengedrückt und dadurch noch weiter vorgespannt. Gleichzeitig werden die Klemmbacken 6, 7 geöffnet und das nicht dargestellte Seil würde frei gegeben.In Fig. 1 is shown a clamping device, which, as is known from the AT 404 458 B is known, two clamping levers 1 and 2, which are connected to one another at a hinge 3. At each clamping lever 1, 2, a roller 4, 5 is mounted, which run in the stations of a cable car partially along guide rails. Through a suitable course This guide rails, the clamping lever 1, 2 are pivoted against each other by the rollers 4, 5, whereby the jaws 6, 7 can be moved toward or away from each other, since the jaw 6 is mounted on the clamping lever 2 and the jaw 7 on the clamping lever 3. In Fig. 1 the clamping device is shown in the closed position in which an unillustrated rope between the jaws 6, 7 would be clamped. If the clamping levers 1, 2 pivoted by moving apart of the rollers 4, 5, a spring 8 on the clamping lever 2 by a lever on the lever 1 articulated toggle lever 9, the other end is guided by a sleeve 10 on the clamping lever 2, compressed and thereby still further biased. At the same time, the jaws 6, 7 are opened and the rope, not shown, would be released.

Da die Klemmbacken 6, 7 in ihrem Kontaktbereich mit dem Seil einem Verschleiß unterliegen, muss dieser Verschleiß an den Kontaktflächen in regelmäßigen Intervallen ausgeglichen werden. Auch kann es vorkommen, dass sich der Seildurchmesser durch einen Austausch des Seiles, sei es wartungsbedingt oder aus anderen Gründen, ändert. Auch in diesem Fall können die Klemmbacken 6, 7 mit Hilfe der Erfindung sehr einfach an den neuen Seildurchmesser angepasst werden.Since the jaws 6, 7 are subject to wear in their contact area with the cable, this wear must be compensated at the contact surfaces at regular intervals. It can also happen that the rope diameter changes due to an exchange of the rope, be it due to maintenance or other reasons. Also in this case, the jaws 6, 7 can be easily adapted to the new rope diameter using the invention.

Um dies vereinfacht durchführen zu können sind an den Klemmbacken 6, 7 Wechselbacken 11 gelagert. Die Wechselbacken weisen einen Mittelteil 12 auf, der an seiner Rückseite eine zylinderförmig gekrümmte Gegenfläche 13 zu einer entsprechend gekrümmten Anlagefläche 14 an jeder Klemmbacke 6, 7 aufweist. Die Kontaktfläche 15 an der dem Seil zugewandten Seite des Mittelteils 12 weist einen zur Gegenfläche 13 im wesentlichen aber nicht vollständig parallelen Verlauf auf. Die Kontaktfläche 15 weist einen Mittelbereich auf, an dem eine längs laufende Nut 16 oder Rillen angebracht sind. Oberhalb und unterhalb dieser Nut 16 oder Rillen liegen Kontaktbereiche, mit denen die Wechselbacken 11 definiert flächig am Seil anliegen. Durch diese Gestaltung der Kontaktflächen ergibt sich eine sehr zuverlässige Klemmwirkung.In order to be able to carry out this in a simplified manner, interchangeable jaws 11 are mounted on the clamping jaws 6, 7. The interchangeable jaws have a central part 12, which has on its rear side a cylindrically curved mating surface 13 to a correspondingly curved contact surface 14 on each clamping jaw 6, 7. The contact surface 15 on the side of the middle part 12 facing the cable has a course that is essentially but not completely parallel to the mating surface 13. The contact surface 15 has a central region, on which a longitudinal groove 16 or grooves are attached. Above and below this groove 16 or grooves are contact areas with which the interchangeable jaws 11 lie flat against the rope. This design of the contact surfaces results in a very reliable clamping action.

Alternativ wäre es auch möglich, die Kontaktfläche im Mittelbereich mit einem Krümmungsradius auszuführen, der kleiner als der Radius des Seiles ist. Der Krümmungsradius nimmt dann nach außen, d.h. oben und unten zu den Längsrändern des Mittelbereichs 12 hin zu, sodass sich die Wechselbacken 11 nur in diesen Bereichen mit größerem Krümmungsradius an das Seil anlegen. Auch dadurch lässt sich eine sehr zuverlässige Klemmwirkung erreichen.Alternatively, it would also be possible to design the contact surface in the middle region with a radius of curvature which is smaller than the radius of the cable. The radius of curvature then increases towards the outside, that is to say above and below towards the longitudinal edges of the middle region 12, so that the interchangeable jaws become 11 apply the rope only in these areas with a larger radius of curvature. This also makes it possible to achieve a very reliable clamping effect.

Zum Befestigen der Wechselbacken 11 an den Klemmbacken 6, 7 weisen die Wechselbacken 11 Wangen 17, 18 auf, die sich seitlich neben die Klemmbacken 6, 7 erstrecken. In jeder Wange ist eine Bohrung 19 angebracht und an jeder Seite der Klemmbacken 6, 7 eine Bohrung 20. Durch die Bohrung 19 in jeder Wange 17, 18 und in jede Bohrung 20 in den Klemmbacken 6, 7 wird eine Hülse 21 gesteckt, die dann mit einer Schraube 22 an den Klemmbacken 6, 7 festgeschraubt wird. Die Wechselbacken 11 werden daher nur mit Hilfe dieser Hülsen 21 an den Klemmbacken 6, 7 festgelegt, wobei diese Hülsen keine nennenswerten Kräfte übertragen müssen, da die Wechselbacken 11 durch die konkav gekrümmten Anlageflächen 14 an den Klemmbacken 6, 7 und die entsprechend konvex gekrümmten Gegenflächen 13 an den Wechselbacken 6, 7 in Querrichtung zur Längserstreckung des Seiles bzw. der Wechselbacken 11 und die zwischen diesen Flächen 13, 14 wirkenden Reibungskräfte form- und kraftschlüssig sehr gut gehalten werden.To attach the interchangeable jaws 11 to the jaws 6, 7, the interchangeable jaws 11 cheeks 17, 18 which extend laterally next to the jaws 6, 7. In each cheek, a bore 19 is mounted and on each side of the jaws 6, 7 a bore 20. Through the bore 19 in each cheek 17, 18 and in each bore 20 in the jaws 6, 7, a sleeve 21 is inserted, which then is screwed with a screw 22 to the jaws 6, 7. The change jaws 11 are therefore determined only with the help of these sleeves 21 to the jaws 6, 7, these sleeves do not have to transmit any significant forces, since the interchangeable jaws 11 by the concave contact surfaces 14 on the jaws 6, 7 and the corresponding convexly curved mating surfaces 13 on the interchangeable jaws 6, 7 in the transverse direction to the longitudinal extension of the cable or the interchangeable jaws 11 and the frictional forces acting between these surfaces 13, 14 are held very good form and locks.

Um auch die in Längsrichtung des Seiles wirkenden Kräfte von den Wechselbacken 11 auf die Klemmbacken 6, 7 formschlüssig zu übertragen, liegen die Wangen mit ihren den Klemmbacken 6, 7 zugewandten Flächen 23 an den zugeordneten Flächen 24 der Klemmbacken 6, 7 mit kleinem Spiel an. Um zu verhindern, dass auf die Wangen 17, 18 bzw. den Übergangsbereich zwischen den Wangen 17, 18 und dem Mittelteil 12 unerwünscht hohe Biegekräfte wirken, weisen die Innenflächen 23 der Wangen 17, 18 eine Abstufung 25 auf, wobei der Abstand zwischen Vorsprüngen 23b der Abstufung 25 der beiden Wangen 17, 18 kleiner ist als der Abstand zwischen Rücksprüngen 23a. Somit liegen die Wangen tatsächlich nur mit den nahe der Gegenfläche 13 liegenden Bereichen 23b an den Seitenflächen 24 der Klemmbacken 6, 7 an. Die auf von den Klemmbacken 6, 7 über die Wangen 17, 18 auf den Mittelteil 12 und weiter auf das Seil zu übertragenden Längskräfte werden daher in erster Linie als Scherkräfte von den Wangen 17, 18 auf den Mittelteil 12 übertragen, wobei die auf die Wangen 17, 18 bzw. auf den Übergangsbereich zwischen den Wangen 17, 18 und dem Mittelteil 12 wirkenden Biegekräfte aufgrund des kurzen Hebelarmes relativ klein sind, was sich auf die Belastung und in weiterer Folge Dimensionierung der Wechselbacken 11 positiv auswirkt.In order to positively transfer the forces acting in the longitudinal direction of the cable from the interchangeable jaws 11 to the jaws 6, 7, the cheeks with their jaws 6, 7 facing surfaces 23 on the associated surfaces 24 of the jaws 6, 7 with little play , In order to prevent undesirable high bending forces acting on the cheeks 17, 18 or the transition region between the cheeks 17, 18 and the middle part 12, the inner surfaces 23 of the cheeks 17, 18 have a step 25, the distance between projections 23b the gradation 25 of the two cheeks 17, 18 is smaller than the distance between recesses 23 a. Thus, the cheeks are actually only on the side surfaces 24 of the jaws 6, 7 with the areas 23b lying close to the mating surface 13. The on the jaws 6, 7 on the cheeks 17, 18 on the middle part 12 and further on the rope to be transmitted longitudinal forces are therefore transmitted primarily as shearing forces of the cheeks 17, 18 on the middle part 12, wherein the cheeks 17, 18 and acting on the transition region between the cheeks 17, 18 and the central part 12 bending forces due to the short lever arm are relatively small, which has a positive effect on the load and subsequently dimensioning of the change jaws 11.

Durch den im Wesentlichen parallelen Verlauf der Kontaktfläche 15 an der dem Seil zugewandten Seite des Mittelteils 12 und der den Klemmbacken 6, 7 zugewandten Gegenfläche 13 ergibt sich ein im Wesentlichen zylinderwandförmiger Querschnitt des Mittelteils der Wechselbacken 11, was nicht nur eine Materialersparnis im Vergleich zu den bekannten Wechselbacken ergibt, sondern auch günstige Belastungs- und Kraftübertragungsverhältnisse am Mittelteil.Due to the substantially parallel course of the contact surface 15 on the side facing the cable side of the central part 12 and the jaws 6, 7 facing counter surface 13 results in a substantially cylindrical wall cross-section of the middle part of the interchangeable jaws 11, which is not only a material savings compared to the known change jaws results, but also favorable load and power transmission conditions at the middle part.

Dadurch ist es auch möglich, bei der Auswahl des Materials für die Wechselbacken kostengünstige Lösungen zu finden, die auch hinsichtlich der Reibungs- und Verschleißverhältnisse bei den Materialpaarungen zwischen Klemmbacken 6, 7 und den Wechselbacken 11 einerseits und den Wechselbacken 11 und dem Seil andererseits optimale Kombinationen bilden. As a result, it is also possible to find cost-effective solutions in the selection of the material for the interchangeable jaws, the optimal combinations also in terms of friction and wear conditions in the material pairings between jaws 6, 7 and the interchangeable jaws 11 on the one hand and the interchangeable jaws 11 and the rope form.

Claims (12)

  1. Clamping device for coupling a movable transport means, e.g. a gondola or chair, to a hauling or traction cable of a cableway system, comprising two clamping jaws (6,7) movable toward one another or apart for coupling the clamping device to and uncoupling the clamping device from the hauling or traction cable, wherein exchangeable jaws (11), through which said clamping jaws (6,7) act on the hauling or traction cable, are fastened to said clamping jaws (6,7), and wherein said clamping jaws (6,7) with bearing surfaces (14) abute to counter surfaces (13) of the exchangeable jaws (11),characterized in that said bearing surface (14) on the clamping jaws (6,7) for the exchangeable jaws (11) are curved concavely and that the counter surface (13) on said exchangeable jaws (11) has a corresponding curvature.
  2. The clamping device according to claim 1, characterized in that said bearing surface (14) and said counter surface (13) are curved with a circular cylindrical shape.
  3. The clamping device according to claim 1 or 2, characterized in that the said contact surface (15) with which an exchangeable jaw (11) acts on the hauling or traction cable has a shape substantially parallel to said counter surface (13).
  4. The clamping device according to claim 3, characterized in that said contact surface (15) has a discontinuous curvature shape with a radius of curvature in a central curvature region being smaller than the radius of curvature of the cable.
  5. The clamping device according to claim 4, characterized in that said radius of curvature of said contact surface (15) increases outward from said central curvature region and in particular merges with a substantially plane region.
  6. The clamping device according to one of claims 3 to 5, characterized in that said contact surface (15) has groove-shaped depressions in the central region.
  7. The clamping device according to one of the claims 3 to 5, characterized in that said contact surface (15) has a slot-shaped depression in the central region.
  8. The clamping device according to one of the claims 1 to 7, characterized in that said exchangeable jaw (11) contains two cheeks (17,18) extending laterally next to said clamping jaw (6,7).
  9. The clamping device according to claim 8, characterized in that said cheeks (17,18) contain a shoulder (25) on sides facing one another, the distance between projections (23b) of said shoulder (25) of said two cheeks (17,18) being smaller than the distance between returns (23a) on said cheeks (17,18).
  10. The clamping device according to claim 9, characterized in that said projection (23b) is disposed in a region next to said counter surface (13) of said exchangeable jaw (11).
  11. The clamping device according to claim 9 or 10, characterized in that the width of said projection (23b) is approximately 15-50% preferably 20-30% of the width of said cheeks (17,18).
  12. The clamping device according to claim 10 or 11, characterized in that said projection (23b) extends as far as approximately into a region of a mounting bore (19) or slightly into said region of said mounting bore (19).
EP05450164A 2004-11-04 2005-10-06 Cable gripper for coupling a cabin or a chair to the hauling/traction cable of a cableway installation Not-in-force EP1655193B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200530362T SI1655193T1 (en) 2004-11-04 2005-10-06 Cable gripper for coupling a cabin or a chair to the hauling/traction cable of a cableway installation
PL05450164T PL1655193T3 (en) 2004-11-04 2005-10-06 Cable gripper for coupling a cabin or a chair to the hauling/traction cable of a cableway installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0184204A AT501022A3 (en) 2004-11-04 2004-11-04 CLAMPING DEVICE FOR MOUNTING A CABIN OR ARMCHAIR TO THE CONVEYOR; ROPE OF A CABLE CAR

Publications (2)

Publication Number Publication Date
EP1655193A1 EP1655193A1 (en) 2006-05-10
EP1655193B1 true EP1655193B1 (en) 2008-05-21

Family

ID=35658973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05450164A Not-in-force EP1655193B1 (en) 2004-11-04 2005-10-06 Cable gripper for coupling a cabin or a chair to the hauling/traction cable of a cableway installation

Country Status (12)

Country Link
US (1) US7426889B2 (en)
EP (1) EP1655193B1 (en)
JP (1) JP2006131216A (en)
CN (1) CN100447027C (en)
AT (2) AT501022A3 (en)
AU (1) AU2005225143A1 (en)
CA (1) CA2524182C (en)
DE (1) DE502005004176D1 (en)
ES (1) ES2304000T3 (en)
NZ (1) NZ543142A (en)
PL (1) PL1655193T3 (en)
SI (1) SI1655193T1 (en)

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Publication number Priority date Publication date Assignee Title
CN101537837B (en) * 2009-04-27 2011-05-11 中国电力科学研究院 Device for chucking ropeway hauling rope

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Publication number Priority date Publication date Assignee Title
AT508795B1 (en) * 2009-09-24 2011-06-15 Innova Patent Gmbh METHOD AND DEVICE FOR REPLACING A ROLLER BATTERY
CN105416302B (en) * 2015-12-10 2017-08-29 四川电力送变电建设公司 Freight ropeway walking dolly aids in decable device

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Publication number Priority date Publication date Assignee Title
CN101537837B (en) * 2009-04-27 2011-05-11 中国电力科学研究院 Device for chucking ropeway hauling rope

Also Published As

Publication number Publication date
DE502005004176D1 (en) 2008-07-03
CN100447027C (en) 2008-12-31
EP1655193A1 (en) 2006-05-10
ATE396096T1 (en) 2008-06-15
CN1769115A (en) 2006-05-10
SI1655193T1 (en) 2008-12-31
US7426889B2 (en) 2008-09-23
ES2304000T3 (en) 2008-09-01
US20060107864A1 (en) 2006-05-25
AT501022A2 (en) 2006-05-15
PL1655193T3 (en) 2008-08-29
AU2005225143A1 (en) 2006-05-18
CA2524182A1 (en) 2006-05-04
CA2524182C (en) 2010-04-27
JP2006131216A (en) 2006-05-25
NZ543142A (en) 2007-04-27
AT501022A3 (en) 2009-01-15

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