EP0771708B1 - Actuating and locking mechanism for weather protection hoods on chairlifts - Google Patents

Actuating and locking mechanism for weather protection hoods on chairlifts Download PDF

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Publication number
EP0771708B1
EP0771708B1 EP96810590A EP96810590A EP0771708B1 EP 0771708 B1 EP0771708 B1 EP 0771708B1 EP 96810590 A EP96810590 A EP 96810590A EP 96810590 A EP96810590 A EP 96810590A EP 0771708 B1 EP0771708 B1 EP 0771708B1
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EP
European Patent Office
Prior art keywords
weather protection
stop
hood
chair
lever
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Expired - Lifetime
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EP96810590A
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German (de)
French (fr)
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EP0771708A1 (en
Inventor
Kurt Switzeny
Hermann Kaltenbrunner
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Garaventa Holding AG
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Garaventa Holding AG
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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
    • B61B12/002—Cabins; Ski-lift seats

Definitions

  • the invention relates to an armchair for a chairlift cable car with a weather protection hood and with an actuating and locking mechanism for this weather protection hood, which are pivoted to the armchair and between a first one and a second stop from a closed position on the stop is pivotable into an open position at the stop, wherein the actuation and locking mechanism when driving around the Station tracks of control rails can be operated using a cable and the pivot between the weather protection hood and the Armchair locked in the closed position at the stop.
  • the task is therefore to be solved, one with the lowest possible actuation force controllable, i.e. So low-friction locking with such a hood actuation and locking mechanism to create.
  • the Hood actuation and locking mechanism thus consists of a quadrilateral joint with four low-friction swivel joints, which is between the three Stops is kept limited mobility.
  • the weather protection cover is firmly attached one wing of the four-bar linkage.
  • the two levers of the two stroke are in hers
  • the length is dimensioned so that the two-stroke in manual operation of the weather protection hood in in the closed position, a pre-dead center position on the associated armchair-fixed stop occupies.
  • the weather protection hood Because the weather protection hood is firmly connected to the swing arm of the four-bar linkage it cannot push the two-stroke through its dead center position.
  • a wind force acting on the weather protection hood can therefore they no longer open because they continue the two stroke against the third stop presses and penetration of the dead center position of the four-bar linkage when force is applied is not possible from the weather protection hood.
  • the first two chair-fixed stops are preferably elastically deformable as Rubber buffer executed. So the first stop can give a little when the Two stroke goes through the dead center position; in the locked overdead position Biased against the third attack.
  • the third stop is preferred armchair-fixed, i.e. a lever-fixed stop part strikes an associated chair-fixed part Stop part on; alternatively there is a limit stop between the two movable levers for the over-center position in question.
  • the cable pull preferably engages the lever near the hood with favorable leverage of the two-stroke, expediently with an approximately perpendicular to the dead center position aligned attack lever.
  • an unlocking lever is provided in the invention, which with the lever of Two strikes is firmly connected, on which the cable pull also attacks.
  • the weather protection hood can be, for example, in one Unlock the emergency outside of the holding stations regardless of the cable.
  • the transmission angle on the extended levers is then 180 °.
  • the same effect is also given in the top position of the two levers, in which the transmission angle is 0 °; also in this pre-deadlock position stands as Wing of the four-bar linkage on the armchair hinged weather protection hood shortly before hers Reversal of movement and cannot push the two-stroke through its dead center position.
  • FIG. 1 there is a chair, designated overall by 1, of a chairlift cable car essentially from a hanging frame; such armchairs can, depending on their width, usually accommodate up to six people.
  • a weather protection hood 2 On the hanging frame is behind the seat a weather protection hood 2 in a swivel designated 1-2 pivoted upwards.
  • a bracket 9 is also on the hanging frame Armrests and footrests can also be pivoted upwards.
  • Weather protection hood 2 and bracket 9 are in terms of their pivot points by means of spring balancers weight-balanced stored, so can be from those in the armchair Handle passengers comfortably.
  • the on a conveyor rope using rope clamps Coupled chairs are attached to the dome stations in the cable car stops from Conveyor rope uncoupled and then coupled again, while holding the stop on one Track track cf. Drive slowly around to get on and off passengers.
  • armchair 1 has an automatic one Hood-bracket actuation with locking in the closed position for onward travel, those attached to the stops of the station track at the entrance and exit Control rails 10 can be actuated via a cable 3.
  • Getting on or off Passengers can be sensed, for example, with light barriers to 1 on unoccupied armchairs close and lock the weather protection hood 2 before leaving the station or at the entrance to the station with the weather protection hood 2 closed
  • the control rails 10 controlled and brought into their functional position.
  • the hood is actuated usually via the cable lever 3.
  • the actuation and locking mechanism for the weather protection hood 2 is identified as detail X in FIG. 1 and is first explained in more detail below with reference to FIG. 2 with the aid of schematic sketches in its kinematic mode of action: (In this respect, reference is made to, among other things, the definitions of the construction guidelines VDI 2127 " Fundamentals of transmission technology - Definitions of the transmissions” and VDI 2145 " Level four-layer transmissions with rotary and thrust joints - Explanations of terms and systematics)
  • the suspension frame of the Armchair 1 can be seen as a frame-fixed reference system.
  • the hood swivel is back designated with its pivot point 1-2; there the weather protection cover 2 is fixed to the frame as Swing arm articulated.
  • Two stroke 4.5 arranged, the two at the pivot point 4-5 articulated with each other connected levers 4 and 5, one end at the pivot point 1-5 on frame 1 and is articulated at the pivot point 2-4 on the rocker arm 2.
  • Frame 1, swing arm 2 and the two levers 4 and 5 thus form an inevitable mechanism, the one Quadrilateral joint 1-2-4-5 with four swivel joints 1-2, 2-4, 4-5 and 1-5.
  • One lever 4 of the two-stroke 4.5 is a coupling of the quadrilateral 1-2-4-5
  • the other lever 5 is a second rocker.
  • the cable of the cable pull acts on the coupling 4 at the pivot point 3-4; the hereby on the Coupling 4 acting force is shown schematically with the arrow S. That is further Weather protection hood can be opened or closed by hand; this on the swing arm Torque introduced in the quadrilateral 1-2-4-5 is with the Bow arrow H shown schematically.
  • the two-stroke 4.5 is dimensioned so that it is in this position shortly before it Dead center position T is located, which is the extended position between the two levers 4 and 5.
  • the Swing arm 2 is therefore just before its reversal position; hence one is on the swing arm pivot 1-2 initiated torque is no longer able to double stroke 4.5 by pressing its dead center position T, because the transmission angle at the pivot point 4-5 between the two levers 4 and 5 in this end position is almost 180 ° and over the swivel 2-4 between rocker 2 and coupling 4 no torque can be transmitted.
  • the cable pull that acts on the coupling 4 at the pivot point 3-4 with the cable force S transmits a torque corresponding to the lever 3-4 - 2-4 via the coupling-fixed swivel joint 2-4, whereby the two-stroke 4.5 due to its dead center position against another (not shown) frame-fixed stop is pressed into a locked position from which it can only be released with rope force S; because a (e.g. through on the weather protection hood wind forces) on the swing arm 1-2 in the quadrilateral 1-2-3-4 The torque introduced pushes the two-stroke 4.5 further against its armchair-fixed Attack.
  • the locked weather protection cover can only be unlocked with the cable; the The unlocked weather protection hood can be opened either by hand or with the cable possible.
  • The are fixed when opening the associated (not shown) chair
  • the end position of the quadrilateral joint 1-2-3-4 is shown in Fig. 2-V.
  • the Rope force S introduced in coupling point 3-4 or that introduced in swing arm pivot 1-2 Torque H each return during the closing or opening movement Direction of action around.
  • 3 to 5 is a preferred constructive embodiment of the hood actuation and locking mechanism according to detail X in Figure 1 in its three Limit-limited end positions according to the schematic sketches III to V the Fig. 2 with the associated three chair-fixed stops:
  • the lower rear corner of the weather protection hood 2 is accommodated in the swivel joint 1-2 fixed to the chair.
  • the hood 2 is pivotable between two chair-fixed rubber buffers 6 1 and 7 1 from its closed position according to FIGS. 3 or 4, in which the hood-fixed stop part 6 2 rests against the chair-fixed stop part 6 1 , into its open position according to FIG. 5, in which the hood-fixed stop part 7 2 rests against the chair-fixed stop part 7 1 .
  • FIG. 3 shows the pre-dead center position of the two-stroke 4, 5 with the weather protection hood 2 closed by hand.
  • the cable of the cable pull 3 engages the lever 4 with a favorable lever transmission, that is to say with a lever 2-4 - 3-4 oriented approximately perpendicular to the dead center position T at the pivot point 3-4.
  • the third stop 8 consists of a lever-fixed stop part 8 4 , which strikes the chair-fixed stop part 8 1 ; the first stop 6 remains in engagement and, with a certain elastic deformation, secures the locked position on the third stop 8.
  • the lever 2-4 - 3-4 is for the cable 3 which acts on the lever 4 at the pivot point 3-4 further extended and passes into a release lever 4 ', with which the Weather protection hood 2 can be unlocked independently of the cable 3; for example in an emergency the mechanism 1-2-4-5 can be unlocked by hand even when the armchair is is located outside of the stops on the conveyor line.
  • This release lever 4 ' is only accessible from the outside and can the two-stroke 4,5 in the same way as the Push cable 3 through its dead center position because it is fixed with the same lever 4 connected.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The actuation mechanism is for the hood over the chair of a ski-lift. It incorporates a double lever (4,5) which is rotatably linked at one end to the weather protection hood (2) and at the other end to the chair (1). The cable (3) engages one of the two levers of the double lever. The double lever takes up a position at the first stop or buffer (6) on the hand actuation of the hood. When it is actuated by the cable it is pressed against a third stop (8).

Description

Die Erfindung betrifft einen Sessel für eine Sessellift-Umlaufseilbahn mit einer Wetterschutzhaube und mit einem Betätigungs- und Verriegelungsmechanismus für diese Wetterschutzhaube, die drehbeweglich am Sessel angelenkt und zwischen einem ersten und einem zweiten Anschlag aus einer Geschlossenstellung am Anschlag in eine Offenstellung am Anschlag verschwenkbar ist, wobei der Betätigungs- und Verriegelungsmechanismus beim Umfahren des Stationsgleises von Steuerschienen mittels eines Seilzugs betätigbar ist und das Drehgelenk zwischen der Wetterschutzhaube und dem Sessel in der Geschlossenstellung am Anschlag verriegelt.The invention relates to an armchair for a chairlift cable car with a weather protection hood and with an actuating and locking mechanism for this weather protection hood, which are pivoted to the armchair and between a first one and a second stop from a closed position on the stop is pivotable into an open position at the stop, wherein the actuation and locking mechanism when driving around the Station tracks of control rails can be operated using a cable and the pivot between the weather protection hood and the Armchair locked in the closed position at the stop.

Kuppelbare Sessel von Umlauf-Sesselliften werden heute zunehmend mit Wetterschutzhauben ausgerüstet, die sich, hinten am Sessel drehbar angelenkt, lastausgeglichen nach oben wegschwenken lassen. Nach internationalen Vorschriften müssen die Wetterschutzhauben aus Sicherheitsgründen während der Fahrt geschlossen und verriegelt sein, wenn sich kein Fahrgast im Sessel befindet. Hierzu werden die Wetterschutzhauben beim Umfahren der Haltestationen von Steuerschienen im Stationsgleis über Seilzüge betätigt; d.h. an der Stationseinfahrt werden alle geschlossenen Hauben zunächst entriegelt und geöffnet, das Einsteigen von Fahrgästen wird mit Lichtschranken sensiert, um die offene Haube unbesetzter Sessel vor der Stationsausfahrt wieder zu schliessen und zu verriegeln. Im übrigen bleibt es den mitfahrenden Fahrgästen überlassen, die Wetterschutzhaube nach der Stationsausfahrt offenstehen zu lassen oder von Hand zu schliessen und vor der nächsten Stationseinfahrt wieder zu öffnen; die geschlossene Wetterschutzhaube besetzter Sessel darf selbstverständlich nicht verriegelt sein. Detachable armchairs from recirculating chairlifts are becoming increasingly popular today equipped with weather protection covers, which are on the back of the armchair rotatably articulated, swing balanced upwards. According to international regulations, the weather protection hoods closed and locked for safety reasons while driving be when there is no passenger in the armchair. To do this the weather protection hoods when driving around the Control rails in the station track operated via cables; i.e. on At the station entrance, all closed hoods are initially unlocked and opened, passengers are boarded with Photoelectric sensors sensed around the open hood of unoccupied armchairs to close and lock again before leaving the station. For the rest, it is left to the passengers traveling with you Leave the weather protection hood open after the station exit or to close by hand and before the next station entrance reopen; the closed weather protection cover The armchair must of course not be locked.

Ein Haubenbetätigungs- und -verriegelungsmechanismus mit den eingangs genannten Merkmalen geht aus dem nachveröffentlichten österreichischen Patent AT 9302446 A mit Anmeldetag vom 03.12.93 der Anmelderin hervor. Dort greift ein am Seilzug angelenkter und am Sessel verschwenkbarer Betätigungshebel zum Verriegeln des Haubendrehgelenks in eine kurvenförmige Rast an einem ebenfalls am Sessel anschlagbegrenzt drehbar gelagerten Schwenkriegel ein. Bei dieser vorbekannten Lösung gab es bei der Verriegelung wegen der beim formschlüssigen Eingriff der beiden Verriegelungsteile auftretenden Reibung vereinzelt Probleme, derart dass einzelne Sessel manchmal unverriegelt ausgefahren sind. A hood actuation and locking mechanism with the entrances characteristics mentioned goes from the republished Austrian Patent AT 9302446 A with the filing date of December 3, 1993 by the applicant forth. There is an articulated on the cable pull and Armchair swiveling actuating lever for locking the hood swivel in a curvilinear rest on one of the chairs swivel bolt mounted with limit stops. At this previously known solution was used for locking because of occurring during the positive engagement of the two locking parts Friction isolated problems, such as single armchairs sometimes extended unlocked.

Es soll daher die Aufgabe gelöst werden, eine mit möglichst geringer Betätigungskraft ansteuerbare, d.h. also reibungsarme Verriegelung bei einem derartigen Haubenbetätigungs- und -verriegelungsmechanismus zu schaffen.The task is therefore to be solved, one with the lowest possible actuation force controllable, i.e. So low-friction locking with such a hood actuation and locking mechanism to create.

Diese Aufgabe wird erfindungsgemäß mit den Merkmalen gelöst, daß ein Zweischlag einenends an der Wetterschutzhaube und anderenends am Sessel drehbeweglich angelenkt ist, daß der Seilzug an einem der beiden Hebel des Zweischlags angreift, und daß der Zweischlag bei Handbetätigung der Wetterschutzhaube in der Geschlossenstellung eine Vortotpunktlage am zugehörigen ersten Anschlag einnimmt und bei Betätigung der Wetterschutzhaube mit dem Seilzug in der Geschlossenstellung gegen einen dritten Anschlag durch seine Totpunktlage gezogen bzw. von ihm weggedrückt wird.This object is achieved with the features that a two-stroke at one end on the weather protection hood and at the other end on the armchair is articulated that the cable acts on one of the two levers of the two-stroke, and that the two-stroke with manual operation of the weather protection hood in the closed position takes a pre-deadlock position on the associated first stop and at Actuation of the weather protection hood with the cable in the closed position against a third stop is pulled through its dead center position or pushed away from it.

Bei der Erfindung ist zwischen dem Sessel und der zwischen zwei sesselfesten Anschlägen verschwenkbaren Wetterschutzhaube ein Zweischlag angeordnet, der mit dem Seilzug durch seine Totpunktlage gegen den dritten Anschlag drückbar ist. Der erfindungsgemäße Haubenbetätigungs- und -verriegelungsmechanismus besteht also aus einem Gelenkviereck mit vier reibungsarmen Drehgelenken, das zwischen den drei Anschlägen begrenzt beweglich gehalten ist. Die Wetterschutzhaube befindet sich fest an der einen Schwinge des Gelenkvierecks. Die beiden Hebel des Zweischlags sind in ihrer Länge so bemessen, daß der Zweischlag bei Handbetätigung der Wetterschutzhaube in der Geschlossenstellung eine Vortotpunktlage am zugehörigen sesselfesten Anschlag einnimmt. Da die Wetterschutzhaube fest mit der Schwinge des Gelenkvierecksverbunden ist, kann sie den Zweischlag nicht durch seine Totpunktlage drücken. Der Seilzug greift dagegen direkt an einem der beiden Hebel des zwischen Wetterschutzhaube und Sessel angeordneten Zweischlags an, also entweder an der Koppel oder an der anderen Schwinge des Gelenkvierecks, und ist mit geringem Kraftaufwand in der Lage, den Zweischlag durch seine Totpunktlage gegen den dritten sesselfesten Anschlag zu ziehen, um die Haube zu verriegeln. Eine auf die Wetterschutzhaube einwirkende Windkraft kann sie daher nicht mehr öffnen, weil sie den Zweischlag weiter gegen den dritten Anschlag drückt und ein Durchschlagen der Totpunktlage des Gelenkvierecks bei Krafteinwirkung von der Wetterschutzhaube her nicht möglich ist.In the invention is between the armchair and that between two armchairs A swiveling weather protection hood stops arranged with two strikes the cable pull can be pressed against the third stop due to its dead center position. The Hood actuation and locking mechanism according to the invention thus consists of a quadrilateral joint with four low-friction swivel joints, which is between the three Stops is kept limited mobility. The weather protection cover is firmly attached one wing of the four-bar linkage. The two levers of the two stroke are in hers The length is dimensioned so that the two-stroke in manual operation of the weather protection hood in in the closed position, a pre-dead center position on the associated armchair-fixed stop occupies. Because the weather protection hood is firmly connected to the swing arm of the four-bar linkage it cannot push the two-stroke through its dead center position. The cable pulls in on the other hand, directly on one of the two levers between the weather protection cover and the armchair ordered two strikes, either on the paddock or on the other Swing arm of the four-bar linkage, and is able to move the Pulling two strikes through its dead center position against the third chair-fixed stop, to lock the hood. A wind force acting on the weather protection hood can therefore they no longer open because they continue the two stroke against the third stop presses and penetration of the dead center position of the four-bar linkage when force is applied is not possible from the weather protection hood.

Die beiden ersten sesselfesten Anschläge sind vorzugsweise elastisch verformbar als Gummipuffer ausgeführt. So kann der erste Anschlag ein wenig nachgeben, wenn der Zweischlag durch die Totpunktlage geht; in der verriegelten Übertotpunktlage wird der Zweischlag gegen den dritten Anschlag vorgespannt. Der dritte Anschlag ist vorzugsweise sesselfest, d.h. ein hebelfestes Anschlagteil schlägt an einem zugehörigen sesselfesten Anschlagteil an; alternativ kommt auch eine Anschlagbegrenzung zwischen den beiden beweglichen Hebeln für die Übertotpunktlage in Frage. The first two chair-fixed stops are preferably elastically deformable as Rubber buffer executed. So the first stop can give a little when the Two stroke goes through the dead center position; in the locked overdead position Biased against the third attack. The third stop is preferred armchair-fixed, i.e. a lever-fixed stop part strikes an associated chair-fixed part Stop part on; alternatively there is a limit stop between the two movable levers for the over-center position in question.

Vorzugsweise greift der Seilzug unter günstiger Hebeleinwirkung am haubennahen Hebel des Zweischlags an, zweckmäßig mit einem etwa senkrecht zur Totpunktlage ausgerichteten Angriffshebel.The cable pull preferably engages the lever near the hood with favorable leverage of the two-stroke, expediently with an approximately perpendicular to the dead center position aligned attack lever.

Weiter ist bei der Erfindung ein Entriegelungshebel vorgesehen, der mit dem Hebel des Zweischlags fest verbunden ist, an dem auch der Seilzug angreift. Mit diesem, nur von außen erreichbaren Entriegelungshebel läßt sich die Wetterschutzhaube bspw. in einem Notfall unabhängig vom Seilzug auch außerhalb der Haltestationen entriegeln.Furthermore, an unlocking lever is provided in the invention, which with the lever of Two strikes is firmly connected, on which the cable pull also attacks. With this, only from Unlocking lever accessible from the outside, the weather protection hood can be, for example, in one Unlock the emergency outside of the holding stations regardless of the cable.

Erfindungsgemäß ist die Totpunktlage die Strecklage zwischen den beiden Hebeln des Zweischlags, der Übertragungswinkel an den gestreckten Hebeln beträgt dann 180°. Dieselbe Wirkung ist aber grundsätzlich auch in der Decklage der beiden Hebel gegeben, in der der Übertragungswinkel 0° beträgt; auch in dieser Vortotpunktlage steht die als Schwinge des Gelenkvierecks am Sessel angelenkte Wetterschutzhaube kurz vor ihrer Bewegungsumkehr und kann den Zweischlag nicht durch seine Totpunktlage drücken.According to the dead center position is the extended position between the two levers of the Two strokes, the transmission angle on the extended levers is then 180 °. In principle, the same effect is also given in the top position of the two levers, in which the transmission angle is 0 °; also in this pre-deadlock position stands as Wing of the four-bar linkage on the armchair hinged weather protection hood shortly before hers Reversal of movement and cannot push the two-stroke through its dead center position.

Ein bevorzugtes Ausführungsbeispiel nach der Erfindung wird nachstehend unter Bezugnahme auf die Zeichnung näher erläutert:

Fig.1
zeigt einen einzelnen Sessel einer Sessellift-Umlaufseilbahn mit geschlossener Wetterschutzhaube in einer Seitenansicht. In
Fig.2
ist der Haubenbetätigungs- und -verriegelungsmechanismus in seinen drei von sesselfesten Anschlägen gesicherten Endstellungen (Fig.2-lll bis V) in kinematischen Schemadarstellungen gezeigt.
Fig.3
zeigt die unverriegelte Geschlossenstellung bei der Handbetätigung der Wetterschutzhaube gemäß Schemadarstellung in Fig.2-lll.
Fig.4
zeigt die verriegelte Geschlossenstellung bei der Seilzugbetätigung der Wetterschutzhaube gemäß Schemadarstellung in Fig.2-lV.
Fig.5
zeigt die Offenstellung der Wetterschutzhaube bei Hand- oder Seilzugbetätigung gemäß Schemadarstellung in Fig.2-V.
A preferred embodiment according to the invention is explained in more detail below with reference to the drawing:
Fig. 1
shows a single chair of a chairlift cable car with a closed weather protection cover in a side view. In
Fig. 2
the hood actuation and locking mechanism is shown in its three end positions secured by armchair-fixed stops (FIGS. 2-11 to V) in kinematic schematic representations.
Fig. 3
shows the unlocked closed position during manual operation of the weather protection hood according to the diagram in Fig. 2-lll.
Fig. 4
shows the locked closed position when pulling the weather protection hood according to the schematic representation in Fig. 2-IV.
Fig. 5
shows the open position of the weather protection hood with manual or cable pull operation according to the diagram in Fig. 2-V.

Nach Fig.1 besteht ein insgesamt mit 1 bezeichneter Sessel einer Sessellift-Umlaufseilbahn im wesentlichen aus einem Gehängerahmen; solche Sessel können, je nach ihrer Breite, üblicherweise bis zu sechs Personen aufnehmen. Am Gehängerahmen ist hinter der Sitzbank eine Wetterschutzhaube 2 in einem mit 1-2 bezeichneten Drehgelenk nach oben wegschwenkbar angelenkt. Weiter ist am Gehängerahmen ein Bügel 9 mit Armlehnen und Fußstützen ebenfalls nach oben wegschwenkbar angelenkt. Wetterschutzhaube 2 und Bügel 9 sind bezüglich ihrer Drehpunkte mittels Federzügen gewichtsausgeglichen gelagert, lassen sich also von den im Sessel befindlichen Fahrgästen bequem handhaben. Die an ein Förderseil mittels Seilklemmen angekuppelten Sessel werden an Kuppelstellen in den Haltestationen der Seilbahn vom Förderseil ab- und dann wieder angekuppelt, währenddem sie die Haltestation auf einer Gleisspur vglw. langsam zum Aus- bzw. Einsteigen von Fahrgästen umfahren.According to FIG. 1, there is a chair, designated overall by 1, of a chairlift cable car essentially from a hanging frame; such armchairs can, depending on their width, usually accommodate up to six people. On the hanging frame is behind the seat a weather protection hood 2 in a swivel designated 1-2 pivoted upwards. A bracket 9 is also on the hanging frame Armrests and footrests can also be pivoted upwards. Weather protection hood 2 and bracket 9 are in terms of their pivot points by means of spring balancers weight-balanced stored, so can be from those in the armchair Handle passengers comfortably. The on a conveyor rope using rope clamps Coupled chairs are attached to the dome stations in the cable car stops from Conveyor rope uncoupled and then coupled again, while holding the stop on one Track track cf. Drive slowly around to get on and off passengers.

Um auch die während des Skibetriebs überwiegend bei der Talfahrt fahrgastlosen Sessel 1 vor Wettereinflüssen zu schützen, haben die Sessel 1 eine automatische Hauben-Bügel-Betätigung mit Verriegelung in der Geschlossenstellung für die Weiterfahrt, die an den Haltestationen von im Stationsgleis an der Ein- und Ausfahrt angebrachten Steuerschienen 10 über einen Seilzug 3 betätigbar ist. Das Ein- oder Aussteigen von Fahrgästen läßt sich bspw. mit Lichtschranken sensieren, um an unbesetzten Sesseln 1 die Wetterschutzhaube 2 vor der Stationsausfahrt wieder zu schließen und zu verriegeln bzw. an der Stationseinfahrt die mit geschlossener Wetterschutzhaube 2 einfahrenden Sessel 1 für einstiegbereite Fahrgäste aufzumachen, werden die Steuerschienen 10 angesteuert und in ihre Funktionsstellung gebracht. Die Haubenbetätigung erfolgt üblicherweise über den rollenhebelbetätigten Seilzug 3.In order to avoid those who are mostly passenger-free during downhill skiing To protect armchair 1 from the weather, armchair 1 has an automatic one Hood-bracket actuation with locking in the closed position for onward travel, those attached to the stops of the station track at the entrance and exit Control rails 10 can be actuated via a cable 3. Getting on or off Passengers can be sensed, for example, with light barriers to 1 on unoccupied armchairs close and lock the weather protection hood 2 before leaving the station or at the entrance to the station with the weather protection hood 2 closed To open chair 1 for passengers ready for boarding, the control rails 10 controlled and brought into their functional position. The hood is actuated usually via the cable lever 3.

Der Betätigungs- und Verriegelungsmechanismus für die Wetterschutzhaube 2 ist in Fig.1 als Einzelheit X gekennzeichnet und wird nachstehend unter Bezugnahme auf Fig.2 anhand schematischer Skizzen zunächst in seiner kinematischen Wirkungsweise näher erläuert:
(Insoweit wird u.a. auf die Begriffsbestimmungen der Konstruktionsrichtlinien VDI 2127 "Getriebetechnische Grundlagen - Begriffsbestimmungen der Getriebe" und VDI 2145 "Ebene vierglierige Getriebe mit Dreh- und Schubgelenken - Begriffserklärungen und Systematik" verwiesen)The actuation and locking mechanism for the weather protection hood 2 is identified as detail X in FIG. 1 and is first explained in more detail below with reference to FIG. 2 with the aid of schematic sketches in its kinematic mode of action:
(In this respect, reference is made to, among other things, the definitions of the construction guidelines VDI 2127 " Fundamentals of transmission technology - Definitions of the transmissions" and VDI 2145 " Level four-layer transmissions with rotary and thrust joints - Explanations of terms and systematics")

In den kinematischen Schemadarstellungen der Fig.2 ist der Gehängerahmen des Sessels 1 als gestellfestes Bezugssystem anzusehen. Das Haubendrehgelenk ist wieder mit seinem Drehpunkt 1-2 bezeichnet; dort ist die Wetterschutzhaube 2 gestellfest als Schwinge angelenkt. Weiter ist zwischen der Schwinge 2 und dem Gestell 1 ein Zweischlag 4,5 angeordnet, der aus zwei im Drehpunkt 4-5 gelenkig miteinander verbundenen Hebeln 4 und 5 besteht, einenends im Drehpunkt 1-5 am Gestell 1 und anderenends im Drehpunkt 2-4 an der Schwinge 2 angelenkt ist. Gestell 1, Schwinge 2 und die beiden Hebel 4 und 5 bilden also einen zwangläufigen Mechanismus, der ein Gelenkviereck 1-2-4-5 mit vier Drehgelenken 1-2, 2-4, 4-5 und 1-5 ist. Der eine Hebel 4 des Zweischlags 4,5 ist als Koppel des Gelenkvierecks 1-2-4-5 geführt, der andere Hebel 5 ist eine zweite Schwinge.In the kinematic diagrams of Figure 2, the suspension frame of the Armchair 1 can be seen as a frame-fixed reference system. The hood swivel is back designated with its pivot point 1-2; there the weather protection cover 2 is fixed to the frame as Swing arm articulated. Next is between the rocker 2 and the frame 1 Two stroke 4.5 arranged, the two at the pivot point 4-5 articulated with each other connected levers 4 and 5, one end at the pivot point 1-5 on frame 1 and is articulated at the pivot point 2-4 on the rocker arm 2. Frame 1, swing arm 2 and the two levers 4 and 5 thus form an inevitable mechanism, the one Quadrilateral joint 1-2-4-5 with four swivel joints 1-2, 2-4, 4-5 and 1-5. One lever 4 of the two-stroke 4.5 is a coupling of the quadrilateral 1-2-4-5, the other lever 5 is a second rocker.

An der Koppel 4 greift das Seil des Seilzugs im Drehpunkt 3-4 an; die hierdurch auf die Koppel 4 einwirkende Kraft ist mit dem Pfeil S schematisch dargestellt. Weiter ist die Wetterschutzhaube von Hand öffen- bzw. schließbar; das hierdurch am Schwingendrehgelenk 1-2 in das Gelenkviereck 1-2-4-5 eingeleitete Drehmoment ist mit dem Bogenpfeil H schematisch dargestellt.The cable of the cable pull acts on the coupling 4 at the pivot point 3-4; the hereby on the Coupling 4 acting force is shown schematically with the arrow S. That is further Weather protection hood can be opened or closed by hand; this on the swing arm Torque introduced in the quadrilateral 1-2-4-5 is with the Bow arrow H shown schematically.

In den einzelnen Darstellungen III, IV und V der Fig.2 sind die drei möglichen Endstellungen des Gelenkvierecks 1-2-3-4 gezeigt, die durch drei, in den schematischen Skizzen nicht dargestellte, sesselfeste Anschläge begrenzt sind und sich je nachdem ergeben, welche Antriebsbewegung S bzw. H in das Gelenkviereck 1-2-4-5 eingeleitet wird.In the individual representations III, IV and V of Figure 2 are the three possible End positions of the quadrangle 1-2-3-4 shown by three, in the schematic Sketches, not shown, fixed to the armchairs are limited and vary result in which drive movement S or H initiated in the quadrilateral 1-2-4-5 becomes.

In Fig.2-III ist die Endstellung des Gelenkvierecks 1-2-4-5 am zugehörigen sesselfesten Anschlag beim Schließen der Wetterschutzhaube von Hand gezeigt:In Fig.2-III the end position of the quadrilateral 1-2-4-5 is at the associated armchair Stop shown when closing the weather protection cover by hand:

Der Zweischlag 4,5 ist so bemessen, daß er sich in dieser Stellung kurz vor seiner Totpunktlage T befindet, die die Strecklage zwischen den beiden Hebeln 4 und 5 ist. Die Schwinge 2 befindet sich also kurz vor ihrer Umkehrlage; folglich ist ein am Schwingendrehgelenk 1-2 eingeleitetes Drehmoment nicht mehr in der Lage, den Zweischlag 4,5 durch seine Totpunktlage T zu drücken, denn der Übertragungswinkel am Drehpunkt 4-5 zwischen den beiden Hebeln 4 und 5 beträgt in dieser Endstellung nahezu 180° und über das Drehgelenk 2-4 zwischen Schwinge 2 und Koppel 4 ist kein Drehmoment übertragbar.The two-stroke 4.5 is dimensioned so that it is in this position shortly before it Dead center position T is located, which is the extended position between the two levers 4 and 5. The Swing arm 2 is therefore just before its reversal position; hence one is on the swing arm pivot 1-2 initiated torque is no longer able to double stroke 4.5 by pressing its dead center position T, because the transmission angle at the pivot point 4-5 between the two levers 4 and 5 in this end position is almost 180 ° and over the swivel 2-4 between rocker 2 and coupling 4 no torque can be transmitted.

Anders ist dies, wenn die Wetterschutzhaube gemäß Fig.2-IV mit dem Seilzug geschlossen wird:This is different if the weather protection hood according to Fig.2-IV with the cable is closed:

Der im Drehpunkt 3-4 an der Koppel 4 mit der Seilkraft S angreifende Seilzug überträgt ein dem Hebel 3-4 - 2-4 entsprechendes Drehmoment über das koppelfeste Drehgelenk 2-4, wodurch der Zweischlag 4,5 durch seine Totpunktlage gegen einen weiteren (nicht dargestellten) gestellfesten Anschlag in eine verriegelte Lage gedrückt wird, aus der er nur mit Seilkraft S wieder lösbar ist; denn ein (bspw. durch auf die Wetterschutzhaube einwirkende Windkräfte) am Schwingendrehgelenk 1-2 in das Gelenkviereck 1-2-3-4 eingeleitetes Drehmoment drückt den Zweischlag 4,5 weiter gegen seinen sesselfesten Anschlag. The cable pull that acts on the coupling 4 at the pivot point 3-4 with the cable force S transmits a torque corresponding to the lever 3-4 - 2-4 via the coupling-fixed swivel joint 2-4, whereby the two-stroke 4.5 due to its dead center position against another (not shown) frame-fixed stop is pressed into a locked position from which it can only be released with rope force S; because a (e.g. through on the weather protection hood wind forces) on the swing arm 1-2 in the quadrilateral 1-2-3-4 The torque introduced pushes the two-stroke 4.5 further against its armchair-fixed Attack.

Die verriegelte Wetterschutzhaube läßt sich also nur mehr mit dem Seilzug entriegeln; das Öffnen der entriegelten Wetterschutzhaube ist sowohl von Hand als auch mit dem Seilzug möglich. Die sich beim Öffnen am zugehörigen (nicht dargestellten) sesselfesten Anschlag ergebende Endstellung des Gelenkvierecks 1-2-3-4 ist in Fig.2-V dargestellt. Die im Koppelpunkt 3-4 eingeleitete Seilkraft S bzw. das im Schwingendrehgelenk 1-2 eingeleitete Drehmoment H kehren bei der Schließ- bzw. Öffnungsbewegung jeweils ihre Wirkrichtung um.The locked weather protection cover can only be unlocked with the cable; the The unlocked weather protection hood can be opened either by hand or with the cable possible. The are fixed when opening the associated (not shown) chair The end position of the quadrilateral joint 1-2-3-4 is shown in Fig. 2-V. The Rope force S introduced in coupling point 3-4 or that introduced in swing arm pivot 1-2 Torque H each return during the closing or opening movement Direction of action around.

In den Fig.3 bis 5 ist eine bevorzugte konstruktive Ausführungsform des Haubenbetätigungs- und -verriegelungsmechanismus gemäß Einzelheit X in Fig.1 in ihren drei anschlagbegrenzten Endstellungen entsprechend den schematischen Skizzen III bis V der Fig.2 mit den zugehörigen drei sesselfesten Anschlägen gezeigt:3 to 5 is a preferred constructive embodiment of the hood actuation and locking mechanism according to detail X in Figure 1 in its three Limit-limited end positions according to the schematic sketches III to V the Fig. 2 with the associated three chair-fixed stops:

Die untere hintere Ecke der Wetterschutzhaube 2 ist im sesselfesten Drehgelenk 1-2 aufgenommen. Die Haube 2 ist zwischen zwei sesselfesten Gummipuffern 61 und 71 aus ihrer Geschlossenstellung gemäß den Fig. 3 oder 4, in der das haubenfeste Anschlagteil 62 am sesselfesten Anschlagteil 61 anliegt, in ihre Offenstellung gemäß Fig.5 verschwenkbar, in der das haubenfeste Anschlagteil 72 am sesselfesten Anschlagteil 71 anliegt. Fig.3 zeigt die Vortotpunktlage des Zweischlags 4,5 bei von Hand geschlossener Wetterschutzhaube 2. In Fig. 4 ist die verriegelte Übertotpunktlage dargestellt, die nur bei Betätigung mit dem Seilzug 3 einnehmbar ist. Hierzu greift das Seil des Seilzugs 3 mit günstiger Hebelübersetzung, also mit einem etwa senkrecht zur Totpunktlage T ausgerichteten Hebel 2-4 - 3-4 im Drehpunkt 3-4 am Hebel 4 an. In dieser verriegelten Endlage besteht der dritte Anschlag 8 aus einem hebelfesten Anschlagteil 84, das am sesselfesten Anschlagteil 81 anschlägt; der erste Anschlag 6 bleibt im Eingriff und sichert unter gewisser elastischer Verformung die verriegelte Lage am dritten Anschlag 8.The lower rear corner of the weather protection hood 2 is accommodated in the swivel joint 1-2 fixed to the chair. The hood 2 is pivotable between two chair-fixed rubber buffers 6 1 and 7 1 from its closed position according to FIGS. 3 or 4, in which the hood-fixed stop part 6 2 rests against the chair-fixed stop part 6 1 , into its open position according to FIG. 5, in which the hood-fixed stop part 7 2 rests against the chair-fixed stop part 7 1 . FIG. 3 shows the pre-dead center position of the two-stroke 4, 5 with the weather protection hood 2 closed by hand. FIG. For this purpose, the cable of the cable pull 3 engages the lever 4 with a favorable lever transmission, that is to say with a lever 2-4 - 3-4 oriented approximately perpendicular to the dead center position T at the pivot point 3-4. In this locked end position, the third stop 8 consists of a lever-fixed stop part 8 4 , which strikes the chair-fixed stop part 8 1 ; the first stop 6 remains in engagement and, with a certain elastic deformation, secures the locked position on the third stop 8.

Der Hebel 2-4 - 3-4 für den im Drehpunkt 3-4 am Hebel 4 angreifenden Seilzug 3 ist weiter verlängert und geht in einen Entriegelungshebel 4' über, mit dem die Wetterschutzhaube 2 unabhängig vom Seilzug 3 entriegelbar ist; bspw. in einem Notfall läßt sich der Mechanismus 1-2-4-5 auch dann von Hand entriegeln, wenn sich der Sessel außerhalb der Haltestationen auf der Förderstrecke befindet. Dieser Entriegelungshebel 4' ist nur von außen erreichbar und kann den Zweischlag 4,5 in gleicher Weise wie der Seilzug 3 durch seine Totpunktlage drücken, denn er ist mit demselben Hebel 4 fest verbunden.The lever 2-4 - 3-4 is for the cable 3 which acts on the lever 4 at the pivot point 3-4 further extended and passes into a release lever 4 ', with which the Weather protection hood 2 can be unlocked independently of the cable 3; for example in an emergency the mechanism 1-2-4-5 can be unlocked by hand even when the armchair is is located outside of the stops on the conveyor line. This release lever 4 ' is only accessible from the outside and can the two-stroke 4,5 in the same way as the Push cable 3 through its dead center position because it is fixed with the same lever 4 connected.

Claims (4)

  1. Chair (1) for a chair-lift cableway, having a weather protection hood (2) and having an actuating and locking mechanism for said weather protection hood (2), which is articulated in a rotatable manner (1-2) on the chair (1) and can be pivoted, between a first stop (6) and a second stop (7), from a closed position against the stop (6) into an open position against the stop (7), it being the case that the actuating and locking mechanism, as the chair is travelling round the station track, can be actuated by control rails (10) by means of a cable pull (3) and locks the rotating articulation (1-2) between the weather protection hood (2) and the chair (1) in the closed position against the stop (6), characterized in that a double-link joint (4, 5) is articulated in a rotatable manner on the weather protection hood (2), at one end, and on the chair (1), at the other end, in that the cable pull (3) acts on one of the two levers (4 or 5) of the double-link joint (4, 5), and in that, upon manual actuation of the weather protection hood (2) in the closed position, the double-link joint (4, 5) assumes a before-dead-centre position against the associated first stop (6) and, upon actuation of the weather protection hood (2) by the cable pull (3) in the closed position, said double-link joint (4, 5) is drawn against a third stop (8), or pushed away from the same, by way of its dead-centre position (T).
  2. Locking mechanism according to Claim 1, characterized in that the cable pull (3) acts on the lever (4) of the double-link joint (4, 5), said lever being in the vicinity of the hood.
  3. Locking mechanism according to Claim 1 or 2, characterized in that an unlocking lever (4') is fixed to the lever (4) of the double-link joint (4, 5), the cable pull (3) acting on said lever.
  4. Locking mechanism according to one of Claims 1 to 3, characterized in that the dead-centre position (T) is the straightened-out position between the two levers (4 and 5) of the double-link joint (4, 5).
EP96810590A 1995-10-30 1996-09-09 Actuating and locking mechanism for weather protection hoods on chairlifts Expired - Lifetime EP0771708B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH3065/95 1995-10-30
CH306595 1995-10-30
CH306595 1995-10-30

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EP0771708A1 EP0771708A1 (en) 1997-05-07
EP0771708B1 true EP0771708B1 (en) 2000-04-19

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EP96810590A Expired - Lifetime EP0771708B1 (en) 1995-10-30 1996-09-09 Actuating and locking mechanism for weather protection hoods on chairlifts

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AT (1) ATE191890T1 (en)
DE (1) DE59604994D1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US8579379B2 (en) 2009-10-06 2013-11-12 Pomagalski Seat for a chair lift installation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2879547B1 (en) 2004-12-17 2007-03-02 Pomagalski Sa LOCKING CONTROL MECHANISM OF A SWIVEL HOOD FOR TELESIEGE
EP2810841B1 (en) * 2013-06-06 2016-05-11 Bartholet Maschinenbau AG Drive operation device for a circular path and method for operating a circular path with such a drive operation device
AT523971A1 (en) * 2020-07-06 2022-01-15 Innova Patent Gmbh Door control for a cable car vehicle

Citations (1)

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Publication number Priority date Publication date Assignee Title
AT244693B (en) * 1963-11-15 1966-01-25 Voest Ag PTO shaft coupling

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
US3556014A (en) * 1969-02-07 1971-01-19 Rudkin Wiley Corp Automatic opening and closing means for a ski lift chair
AT361538B (en) * 1979-07-26 1981-03-10 Swoboda Traunsteinwerkstaetten OPERATING DEVICE FOR THE FOLDING DOORS OF CABLE CARS AND THE LIKE
AT396095B (en) * 1991-04-22 1993-05-25 Doppelmayr & Sohn ARMCHAIR FOR A CHAIRLIFT

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT244693B (en) * 1963-11-15 1966-01-25 Voest Ag PTO shaft coupling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8579379B2 (en) 2009-10-06 2013-11-12 Pomagalski Seat for a chair lift installation

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EP0771708A1 (en) 1997-05-07
DE59604994D1 (en) 2000-05-25
ATE191890T1 (en) 2000-05-15

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