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EP0933277B1 - Drive mechanism of a transport installation with cables having a sheave with double adherence - Google Patents

Drive mechanism of a transport installation with cables having a sheave with double adherence Download PDF

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Publication number
EP0933277B1
EP0933277B1 EP98410114A EP98410114A EP0933277B1 EP 0933277 B1 EP0933277 B1 EP 0933277B1 EP 98410114 A EP98410114 A EP 98410114A EP 98410114 A EP98410114 A EP 98410114A EP 0933277 B1 EP0933277 B1 EP 0933277B1
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EP
European Patent Office
Prior art keywords
cables
sheave
drive
drive mechanism
pulley
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP98410114A
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German (de)
French (fr)
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EP0933277A1 (en
Inventor
Denis Creissels
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B7/00—Rope railway systems with suspended flexible tracks
    • B61B7/04—Rope railway systems with suspended flexible tracks with suspended tracks serving as haulage cables
    • B61B7/045—Rope railway systems with suspended flexible tracks with suspended tracks serving as haulage cables having in each direction more than one track serving as haulage cables
    • 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
    • B61B12/10—Cable traction drives

Definitions

  • the invention relates to a drive mechanism of an installation of transport using two towing cables or loop tractor-carriers, on which are coupled in line with the vehicles, said mechanism comprising a pulley system over which the two cables pass to be moved in synchronism.
  • Document EP-A-226 838 describes a drive device having two drive pulleys each coupled to a speed reducer and a motor electric. The synchronization of the rotation of the two pulleys is ensured by a engine power regulation device, and by a device mechanical disengageable coupling of the high speed shafts of both reducers.
  • EP-A 184 476 relates to a mechanism using a single electric motor driving the two drive pulleys via two differentials and associated reducers.
  • Another known possibility consists in connecting the two drive pulleys by a rigid mechanical connection, or to make use of the same pulley equipped a double drive groove, as described in document FR 1249949.
  • These known devices give satisfaction, but their conditions of use are not always optimal, and the need arose to have other simple systems drive two or more cables in perfect synchronism, without no risk of drift.
  • the object of the invention to provide a drive mechanism for simple construction, allowing the synchronization of the two cables with total reliability.
  • the mechanism according to the invention comprises a pulley with a single groove with double adhesion, common to the two cables and cooperating with the first cable on one part of its periphery, and with the second cable on another part of its periphery to ensure identical speeds of the two cables.
  • the cable winding zones on the double-grip pulley constitute circular segments distinct, less than 180 °, and arranged symmetrically to the plane diametral median of said pulley.
  • the pulley with double adhesion of the mechanism is a drive pulley coupled to a gear motor and cooperating with first and second pulleys guide, on which the first and second pass respectively cables to each form an S-shaped path passing over the pulley driving.
  • a pair of first and second guide pulleys is provided with a side of the driving pulley, and a third guide pulley is associated with the opposite side to two pairs of deflection rollers.
  • the pulley with double adhesion of the mechanism is associated with two pulleys drive to act as a speed equalizer for the two cables, winding sectors of the two cables on the double-grip pulley being insufficient to obtain the adhesion necessary for the movement of cables, but sufficient to ensure that cables have the same speed of displacement.
  • the drive pulleys are separated so that their size exterior corresponds to the spacing of the outer cable strands, and the double-grip pulley has a diameter corresponding to the spacing of strands of interior cables.
  • Each drive pulley is mechanically coupled to a geared motor, whose engine of one is a master, and the engine of the other slave.
  • the double-grip pulley can be made motor by complement of the other two drive pulleys.
  • Each mechanism according to the two embodiments can be applied to a transport installation with two carrier cables driven in synchronism.
  • the double-grip pulley and the other drive pulleys or guides are arranged on a plate mounted at an angle on support means integral with the chassis.
  • a mechanism for driving two cables 12, 14 tractors from a transport facility, including a cable car or funicular is composed of a single driving pulley 16 intended to drive simultaneously the two cables 12, 14 in opposite directions, and at speeds strictly identical.
  • the first cable 12 is wound in the groove of the half periphery on the left, while the second cable 14 is wound in the opposite direction on the other right half-periphery of the pulley 16.
  • the circular winding segment of each cable 12, 14 on the corresponding half-periphery is approximately 130 °, but it can be different, although always less than 180 °.
  • the drive pulley 16 with double adhesion is associated with a first and a second guide pulley 18, 20 of the same diameters, on which cables 12, 14 are wound in opposite directions, each forming an S.
  • two guide pulleys 18, 20 are arranged in the plane of the pulley drive 16, on the same side thereof.
  • a small gap 22 separates the two guide pulleys 18, 20 coplanar to allow directional scrolling opposite of cables 12, 14 without contact.
  • Cable winding areas 12, 14 on the drive pulley 16 are arranged symmetrically with respect to the median plane passing through the interval 22, and the center of the driving pulley 16.
  • the two guide pulleys 18, 20 are removed, and the first cable 12 is deflected from the plane of the drive pulley 16 by a first deflection roller 24, which is located at the end of the contact of the cable with the pulley 16.
  • the second cable 16 with a reverse movement movement is deflected in opposite direction by means a second deflection roller 26, so as to avoid contact of cables 12, 14 in the crossing zone.
  • FIG. 3 corresponds to the device of FIG. 1 with the three pulleys 16, 18, 20 having the same diameters.
  • the loss of winding of each cable 12, 14 on the driving pulley 16 opposite the guide pulley 18, 20 corresponds to a circular sector of approximately 30 °, the adhesion zone being then 120 °.
  • an increase in diameter of the driving pulley 16 by compared to that of the two guide pulleys 18, 20 makes it possible to reduce the loss winding cables 12, 14 to a circular sector much less than 30 °.
  • the winding loss depends on the positioning angle imposed on the deflection rollers 24, 26, and of the distance separating the deflection rollers 24, 26 from the contact points of the cables 12, 14 with the driving pulley 16.
  • the cable winding loss 12, 14 on the driving pulley 16 is approximately 30 °. So that this distance is minimum, it is interesting that the roller, whose minimum diameter is imposed by the regulations, or given by the rules of the effort, has a width minimum at the level of its rim, as well as the driving pulley, the flanges usual of these two rotating members which can advantageously be replaced by fixed guides judiciously placed to avoid any possibility of derailment.
  • Figure 4 shows the association of the two devices of Figures 1 and 2 for constitute the drive mechanism 28 of a transport installation to two carrier cables 12, 14.
  • the two cables 12, 14 are arranged in the same plane, and are driven in synchronism by the driving pulley 16 with double adhesion.
  • the first pair of rollers 24, 26 is associated with the driving pulley 16
  • the second pair of rollers 32, 34 is associated with the third guide pulley 30 arranged to so that the cables run parallel.
  • the third guide pulley 30 can also be constituted by a drive pulley to increase the grip effect for training cables 12, 14. This additional motorization is of course carried out by coordinated with the drive pulley 16, and at the same speed of rotation.
  • the input strand of the first cable 12 is interposed in the same plane between the input and output strands of the second cable 14.
  • the output strand of the second cable 14 is interposed between the input and output strands of the first cable 12.
  • the drive mechanism 28 of Figure 4 is used for driving two carrier cables 12, 14 of a gondola between two stations, of which only the downstream driving station 34 is shown.
  • Each cable 12, 14 forms an endless loop extending along a track up and down, the two parallel loops extending to the same horizontal level. Vehicles hung on cables by disengageable coupling pliers are not shown for clarity drawings.
  • the four pulleys 16, 18, 20 and 30 are mounted on a fixed plate 36 secured to a frame 38 of the station 34 by support means 40, 42.
  • the rotary drive pulley 16 is mechanically coupled to a geared motor 44 which drives it in rotation, all the pulleys rotating in the direction of the arrows shown in Figure 4.
  • the first and second guide pulleys 18, 20 have the same diameters, and the drive pulley 16 is aligned with the third pulley of guide 30 along the general direction of the line.
  • the two cables 12, 14 are driven perfectly in synchronism by the driving pulley 16 without intervention of differential adjustment means.
  • the drive mechanism 128 of the two cables tractor-carriers 12, 14 is equipped with two drive pulleys 100, 102 and a pulley 104 with double adhesion for speed regulation of the two cables 12, 14.
  • Each driving pulley 100, 102 is mechanically coupled to a geared motor 106, 108.
  • the passage of the two cables 12, 14 towards the pulley 104 with double adhesion is carried out by means of one or two pairs of deflection rollers 112, 114; 116, 118.
  • the deflection roller is associated with the driving pulley 102 on the right, and the other roller 112 of the first pair is associated with the driving pulley 100 on the left.
  • the second pair of rollers 116, 118 is associated with the double pulley 104 adhesion.
  • the first cable 12 enters the mechanism 128 by winding on the part right of pulley 104, passes over rollers 118, 112 and wraps around the drive pulley 100 on the left.
  • the second cable 14 enters the mechanism 128 by wrapping around the driving pulley 102 on the right, passes over the rollers 114, 112 and is wound on the left part of the pulley 104.
  • the external separation distance of the driving pulleys 100, 102 corresponds at the spacing of the external cables constituted by the input strand of the second cable 14, and the output strand of the first cable 12.
  • Pulley 104 with double adhesion is mounted on an axis parallel to that of drive pulleys 100, 102, and has a diameter corresponding to the spacing of the interior cables, which consist of the input strand of the first cable 12 and the output strand of the second cable 14.
  • the winding of the two cables 12, 14 on the same double pulley 104 grip helps compensate for any speed mismatches at the following differential forces between the two cables 12, 14.
  • the presence of the pulley 104 generates a strictly identical running speed for the two cables 12, 14.
  • the end pulleys 100, 102 of the embodiment of FIG. 7 are driving pulleys, "and pulley 104 with double adhesion can be either mad, either powerplant to pulleys 100, 102, but without claiming to be able only ensure the movement of the two cables.
  • one is a master, the other being a slave, and in the second case, it is advantageously the motor of the double grip pulley 104 which is master, the other two motors pulleys 100, 102 being slaves.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Ropes Or Cables (AREA)
  • Pulleys (AREA)

Abstract

The drive mechanism (128) is for a transport installation with two cables (12,14) on which in line cable cars are coupled. It comprises two reduction motors (106,108). The reduction motors rotate two driving pulleys (100,102) to move the two cables synchronously. The mechanism includes a common pulley (104) with double adhesion. This is mounted to idle freely or to be lightly driven. This pulley engages with the first cable on one of the half peripheries and with the second cable on the other half periphery. The winding zones of the cables constitute identical circular segments symmetrical about the diametral median of the common pulley to compensate the differences in speed between the two cables.

Description

L'invention est relative à un mécanisme d'entraínement d'une installation de transport à deux câbles tracteurs ou porteurs-tracteurs en boucle, sur lesquels sont accouplés en ligne des véhicules, ledit mécanisme comprenant un système de poulies sur lesquelles passent les deux câbles pour être déplacés en synchronisme.The invention relates to a drive mechanism of an installation of transport using two towing cables or loop tractor-carriers, on which are coupled in line with the vehicles, said mechanism comprising a pulley system over which the two cables pass to be moved in synchronism.

Dans un équipement d'entraínement de téléphériques ou de télécabines à deux câbles tracteurs, ou deux câbles porteurs-tracteurs, il est fondamental de maintenir le synchronisme des mouvements des deux câbles pour éviter toute mise en travers des véhicules accouplés aux câbles, notamment pendant les phases transitoires de démarrage, de freinage ou d'accélération.In training equipment for cable cars or gondolas in two tractor cables, or two tractor-carrier cables, it is essential to maintain the synchronism of the movements of the two cables to avoid any crossing vehicles coupled to cables, especially during transient starting, braking or acceleration phases.

Etat de la techniqueState of the art

Le document EP-A-226 838 décrit un dispositif d'entraínement ayant deux poulies motrices accouplées chacune à un réducteur de vitesse et un moteur électrique. Le synchronisme de la rotation des deux poulies est assuré par un dispositif de régulation de l'alimentation des moteurs, et par un dispositif d'accouplement mécanique débrayable des arbres à grande vitesse des deux réducteurs. Document EP-A-226 838 describes a drive device having two drive pulleys each coupled to a speed reducer and a motor electric. The synchronization of the rotation of the two pulleys is ensured by a engine power regulation device, and by a device mechanical disengageable coupling of the high speed shafts of both reducers.

Le document EP-A 184 476 se rapporte à un mécanisme utilisant un seul moteur électrique entraínant les deux poulies motrices par l'intermédiaire de deux différentiels et réducteurs associés.EP-A 184 476 relates to a mechanism using a single electric motor driving the two drive pulleys via two differentials and associated reducers.

Une autre possibilité connue consiste à relier les deux poulies motrices par une liaison mécanique rigide, ou à faire usage d'une même poulie équipée d'une gorge d'entraínement double, tel que cela est décrit dans le document FR 1249949. Ces dispositifs connus donnent satisfaction, mais leurs conditions d'utilisation ne sont pas toujours optimales, et le besoin s'est fait sentir de disposer d'autres systèmes simples d'entraínement de deux ou plusieurs câbles en parfait synchronisme, sans aucun risque de dérive.Another known possibility consists in connecting the two drive pulleys by a rigid mechanical connection, or to make use of the same pulley equipped a double drive groove, as described in document FR 1249949. These known devices give satisfaction, but their conditions of use are not always optimal, and the need arose to have other simple systems drive two or more cables in perfect synchronism, without no risk of drift.

Objet de l'inventionSubject of the invention

L'objet de l'invention consiste à réaliser un mécanisme d'entraínement de construction simple, et permettant de conserver le synchronisme des deux câbles avec une fiabilité totale.The object of the invention to provide a drive mechanism for simple construction, allowing the synchronization of the two cables with total reliability.

Le mécanisme selon l'invention comporte une poulie à une seule gorge à double adhérence, commune aux deux câbles et coopérant avec le premier câble sur une partie de sa périphérie, et avec le deuxième câble sur une autre partie de sa périphérie pour assurer des vitesses identiques des deux câbles.The mechanism according to the invention comprises a pulley with a single groove with double adhesion, common to the two cables and cooperating with the first cable on one part of its periphery, and with the second cable on another part of its periphery to ensure identical speeds of the two cables.

Selon une caractéristique de l'invention, les zones d'enroulement des câbles sur la poulie à double adhérence constituent des segments circulaires distincts, inférieurs à 180°, et disposés symétriquement par rapport au plan médian diamétral de ladite poulie.According to a characteristic of the invention, the cable winding zones on the double-grip pulley constitute circular segments distinct, less than 180 °, and arranged symmetrically to the plane diametral median of said pulley.

Selon un premier mode de réalisation du mécanisme de l'invention, la poulie à double adhérence du mécanisme est une poulie motrice accouplée à un motoréducteur et coopérant avec une première et une deuxième poulies de guidage, sur lesquelles passent respectivement les premier et deuxième câbles pour former chacun une trajectoire en S en passant sur la poulie motrice.According to a first embodiment of the mechanism of the invention, the pulley with double adhesion of the mechanism is a drive pulley coupled to a gear motor and cooperating with first and second pulleys guide, on which the first and second pass respectively cables to each form an S-shaped path passing over the pulley driving.

Une paire de première et deuxième poulies de guidage est disposée d'un côté de la poulie motrice, et une troisième poulie de guidage est associée du côté opposé à deux paires de galets de déviation.A pair of first and second guide pulleys is provided with a side of the driving pulley, and a third guide pulley is associated with the opposite side to two pairs of deflection rollers.

Selon un deuxième mode de réalisation du mécanisme de l'invention, la poulie à double adhérence du mécanisme est associée à deux poulies motrices pour jouer un rôle d'égalisateur de vitesse des deux câbles, les secteurs d'enroulement des deux câbles sur la poulie à double adhérence étant insuffisants pour obtenir l'adhérence nécessaire au mouvement des câbles, mais suffisants pour assurer aux câbles la même vitesse de déplacement.According to a second embodiment of the mechanism of the invention, the pulley with double adhesion of the mechanism is associated with two pulleys drive to act as a speed equalizer for the two cables, winding sectors of the two cables on the double-grip pulley being insufficient to obtain the adhesion necessary for the movement of cables, but sufficient to ensure that cables have the same speed of displacement.

Les poulies motrices sont séparées de manière à ce que leur encombrement extérieur corresponde à l'écartement des brins de câbles extérieurs, et la poulie à double adhérence a un diamètre correspondant à l'écartement des brins de câbles intérieurs.The drive pulleys are separated so that their size exterior corresponds to the spacing of the outer cable strands, and the double-grip pulley has a diameter corresponding to the spacing of strands of interior cables.

Chaque poulie motrice est accouplée mécaniquement à un motoréducteur, dont le moteur de l'un est maítre, et le moteur de l'autre esclave.Each drive pulley is mechanically coupled to a geared motor, whose engine of one is a master, and the engine of the other slave.

Eventuellement, la poulie à double adhérence peut être rendue motrice en complément des deux autres poulies motrices.Optionally, the double-grip pulley can be made motor by complement of the other two drive pulleys.

Chaque mécanisme selon les deux modes de réalisation peut être appliqué à une installation de transport à deux câbles porteurs-tracteurs entraínés en synchronisme. La poulie à double adhérence et les autres poulies motrices ou de guidage sont agencées sur une platine montée à inclinaison sur des moyens de support solidaires du châssis. Each mechanism according to the two embodiments can be applied to a transport installation with two carrier cables driven in synchronism. The double-grip pulley and the other drive pulleys or guides are arranged on a plate mounted at an angle on support means integral with the chassis.

Description sommaire des figuresBrief description of the figures

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de plusieurs modes de réalisation de l'invention, donnés à titre d'exemples non limitatifs et représentés aux dessins annexés dans lesquels :

  • la figure 1 est une vue schématique d'un mécanisme d'entraínement équipé d'une poulie à double adhérence selon l'invention ;
  • les figures 2 et 2 bis sont des vues en plan et de profil d'une variante de réalisation du mécanisme de la figure 1;
  • la figure 3 est une vue identique de la figure 1, et la figure 3 bis similaire montre une poulie motrice de dimension supérieure;
  • la figure 4 représente un premier mode de réalisation préférentiel du mécanisme de l'invention ;
  • les figures 5 et 6 illustrent le mécanisme d'entraínement de la figure 4, logé dans une station motrice d'une télécabine à deux câbles tracteurs-porteurs ;
  • la figure 7 montre un deuxième mode de réalisation préférentiel du mécanisme de l'invention.
Other advantages and characteristics will emerge more clearly from the description which follows of several embodiments of the invention, given by way of nonlimiting examples and represented in the appended drawings in which:
  • Figure 1 is a schematic view of a drive mechanism equipped with a double adhesion pulley according to the invention;
  • Figures 2 and 2a are plan and side views of an alternative embodiment of the mechanism of Figure 1;
  • FIG. 3 is an identical view to FIG. 1, and similar FIG. 3 bis shows a larger driving pulley;
  • FIG. 4 represents a first preferred embodiment of the mechanism of the invention;
  • Figures 5 and 6 illustrate the drive mechanism of Figure 4, housed in a power station of a gondola with two tractor-carrying cables;
  • FIG. 7 shows a second preferred embodiment of the mechanism of the invention.

Description des modes de réalisation préférentielsDescription of the preferred embodiments

En référence à la figure 1, un mécanisme d'entraínement de deux câbles 12, 14 tracteurs d'une installation de transport, notamment un téléphérique ou un funiculaire, est composée d'une seule poulie motrice 16 destinée à entraíner simultanément les deux câbles 12, 14 en sens inverse, et à des vitesses rigoureusement identiques. Le premier câble 12 s'enroule dans la gorge de la demi- périphérie située à gauche, tandis que le deuxième câble 14 s'enroule en sens inverse sur l'autre demi-périphérie de droite de la poulie 16.With reference to FIG. 1, a mechanism for driving two cables 12, 14 tractors from a transport facility, including a cable car or funicular, is composed of a single driving pulley 16 intended to drive simultaneously the two cables 12, 14 in opposite directions, and at speeds strictly identical. The first cable 12 is wound in the groove of the half periphery on the left, while the second cable 14 is wound in the opposite direction on the other right half-periphery of the pulley 16.

Dans l'exemple représenté sur la figure 1, le segment circulaire d'enroulement de chaque câble 12, 14 sur la demi-périphérie correspondante est d'environ 130°, mais il peut être différent, quoique toujours inférieur à 180°. In the example shown in Figure 1, the circular winding segment of each cable 12, 14 on the corresponding half-periphery is approximately 130 °, but it can be different, although always less than 180 °.

A la poulie motrice 16 à double adhérence sont associées une première et une deuxième poulies de guidage 18, 20 de mêmes diamètres, sur lesquelles s'enroulent en sens inverse les câbles 12, 14 en formant chacun un S. Les deux poulies de guidage 18, 20 sont disposées dans le plan de la poulie motrice 16, d'un même côté de celle-ci. Un faible intervalle 22 sépare les deux poulies de guidage 18, 20 coplanaires pour permettre le défilement en sens contraire des câbles 12, 14 sans contact. Les zones d'enroulement des câbles 12, 14 sur la poulie motrice 16, sont disposées symétriquement par rapport au plan médian passant par l'intervalle 22, et le centre de la poulie motrice 16.The drive pulley 16 with double adhesion is associated with a first and a second guide pulley 18, 20 of the same diameters, on which cables 12, 14 are wound in opposite directions, each forming an S. two guide pulleys 18, 20 are arranged in the plane of the pulley drive 16, on the same side thereof. A small gap 22 separates the two guide pulleys 18, 20 coplanar to allow directional scrolling opposite of cables 12, 14 without contact. Cable winding areas 12, 14 on the drive pulley 16, are arranged symmetrically with respect to the median plane passing through the interval 22, and the center of the driving pulley 16.

Selon le dispositif des figures 2 et 2bis, les deux poulies de guidage 18, 20 sont supprimées, et le premier câble 12 est dévié du plan de la poulie motrice 16 par un premier galet de déviation 24, lequel est situé en fin de zone de contact du câble avec la poulie 16. Le deuxième câble 16 animé d'un mouvement de déplacement inverse, est dévié en sens opposé au moyen d'un deuxième galet de déviation 26, de manière à éviter le contact des câbles 12, 14 dans la zone de croisement.According to the device of Figures 2 and 2bis, the two guide pulleys 18, 20 are removed, and the first cable 12 is deflected from the plane of the drive pulley 16 by a first deflection roller 24, which is located at the end of the contact of the cable with the pulley 16. The second cable 16 with a reverse movement movement, is deflected in opposite direction by means a second deflection roller 26, so as to avoid contact of cables 12, 14 in the crossing zone.

La figure 3 correspond au dispositif de la figure 1 avec les trois poulies 16 ,18, 20 ayant les mêmes diamètres. La perte d'enroulement de chaque câble 12, 14 sur la poulie motrice 16 en regard de la poulie de guidage 18, 20 correspond à un secteur circulaire d'environ 30°, la zone d'adhérence étant alors de 120°.FIG. 3 corresponds to the device of FIG. 1 with the three pulleys 16, 18, 20 having the same diameters. The loss of winding of each cable 12, 14 on the driving pulley 16 opposite the guide pulley 18, 20 corresponds to a circular sector of approximately 30 °, the adhesion zone being then 120 °.

Sur la figure 3bis, une augmentation de diamètre de la poulie motrice 16 par rapport à celui des deux poulies de guidage 18, 20 permet de réduire la perte d'enroulement des câbles 12, 14 à un secteur circulaire très inférieur à 30°.In FIG. 3a, an increase in diameter of the driving pulley 16 by compared to that of the two guide pulleys 18, 20 makes it possible to reduce the loss winding cables 12, 14 to a circular sector much less than 30 °.

Dans le cas du dispositif de la figure 2, la perte d'enroulement dépend de l'angle de positionnement imposé aux galets de déviation 24, 26, et de la distance séparant les galets de déviation 24, 26 des points de contact des câbles 12, 14 avec la poulie motrice 16. La perte d'enroulement des câbles 12, 14 sur la poulie motrice 16 est d'environ 30°. Pour que cette distance soit minimum, il est intéressant que le galet, dont le diamètre minimum est imposé par les règlementations, ou donné par les règles de l'effort, ait une largeur minimum au niveau de sa jante, de même que la poulie motrice, les flasques habituelles de ces deux organes tournants pouvant être avantageusement remplacées par des guidages fixes judicieusement placés pour éviter toute possibilité de déraillement.In the case of the device in FIG. 2, the winding loss depends on the positioning angle imposed on the deflection rollers 24, 26, and of the distance separating the deflection rollers 24, 26 from the contact points of the cables 12, 14 with the driving pulley 16. The cable winding loss 12, 14 on the driving pulley 16 is approximately 30 °. So that this distance is minimum, it is interesting that the roller, whose minimum diameter is imposed by the regulations, or given by the rules of the effort, has a width minimum at the level of its rim, as well as the driving pulley, the flanges usual of these two rotating members which can advantageously be replaced by fixed guides judiciously placed to avoid any possibility of derailment.

La figure 4 montre l'association des deux dispositifs des figures 1 et 2 pour constituer le mécanisme d'entraínement 28 d'une installation de transport à deux câbles porteurs-tracteurs 12, 14. A la sortie du mécanisme 28, les deux câbles 12, 14 sont disposés dans un même plan, et sont entraínés en synchronisme par la poulie motrice 16 à double adhérence.Figure 4 shows the association of the two devices of Figures 1 and 2 for constitute the drive mechanism 28 of a transport installation to two carrier cables 12, 14. At the outlet of the mechanism 28, the two cables 12, 14 are arranged in the same plane, and are driven in synchronism by the driving pulley 16 with double adhesion.

D'un côté de la poulie motrice 16 sont disposées la première et la deuxième poulies de guidage 18, 20, et de l'autre côté une troisième poulie de guidage 30 avec deux paires de galets de déviation 24, 26 ; 32, 34. La première paire de galets 24, 26 est associée à la poulie motrice 16, et la deuxième paire de galets 32, 34 est associée à la troisième poulie de guidage 30 agencée de manière que les câbles repartent parallèles.On one side of the driving pulley 16 are arranged the first and the second guide pulleys 18, 20, and on the other side a third guide pulley 30 with two pairs of deflection rollers 24, 26; 32, 34. The first pair of rollers 24, 26 is associated with the driving pulley 16, and the second pair of rollers 32, 34 is associated with the third guide pulley 30 arranged to so that the cables run parallel.

La troisième poulie de guidage 30 peut également être constituée par une poulie motrice pour augmenter l'effet d'adhérence pour l'entraínement des câbles 12, 14. Cette motorisation complémentaire s'effectue bien entendu de façon coordonnée avec la poulie motrice 16, et à la même vitesse de rotation.The third guide pulley 30 can also be constituted by a drive pulley to increase the grip effect for training cables 12, 14. This additional motorization is of course carried out by coordinated with the drive pulley 16, and at the same speed of rotation.

L'entraínement des câbles 12, 14 par le mécanisme d'entraínement 28 de la figure 4 s'effectue de la manière suivante :

  • le premier câble 12 rentre dans le mécanisme 28 en passant à droite sur la troisième poulie de guidage 30, les galets de déviation 34, 24, et en s'enroulant à gauche sur la poulie motrice 16, et autour de la première poulie de guidage 18.
  • Le deuxième câble 14 rentre dans le mécanisme 28 en s'enroulant autour de la deuxième poulie de guidage 20, et sur la partie droite de la poulie motrice 16, puis ressort après passage sur les galets de déviation 26, 32, et le côté gauche de la troisième poulie de guidage 30.
    • The cables 12, 14 are driven by the drive mechanism 28 in FIG. 4 as follows:
  • the first cable 12 enters the mechanism 28 passing on the right on the third guide pulley 30, the deflection rollers 34, 24, and winding on the left on the driving pulley 16, and around the first guide pulley 18.
  • The second cable 14 enters the mechanism 28 by winding around the second guide pulley 20, and on the right part of the driving pulley 16, then comes out after passing over the deflection rollers 26, 32, and the left side of the third guide pulley 30.

    • Le brin d'entrée du premier câble 12 est intercalé dans le même plan entre les brins d'entrée et de sortie du deuxième câble 14. Le brin de sortie du deuxième câble 14 est intercalé entre les brins d'entrée et de sortie du premier câble 12.The input strand of the first cable 12 is interposed in the same plane between the input and output strands of the second cable 14. The output strand of the second cable 14 is interposed between the input and output strands of the first cable 12.

    Sur les figures 5 et 6, le mécanisme d'entraínement 28 de la figure 4 est utilisé pour l'entraínement de deux câbles porteurs-tracteurs 12, 14 d'une télécabine entre deux stations, dont seule la station aval motrice 34 est représentée. Chaque câble 12, 14 forme une boucle sans fin s'étendant le long d'une voie montante et d'une voie descendante, les deux boucles parallèles s'étendant à un même niveau horizontal. Les véhicules accrochés aux câbles par des pinces d'accouplement débrayables ne sont pas représentés pour la clarté des dessins.In Figures 5 and 6, the drive mechanism 28 of Figure 4 is used for driving two carrier cables 12, 14 of a gondola between two stations, of which only the downstream driving station 34 is shown. Each cable 12, 14 forms an endless loop extending along a track up and down, the two parallel loops extending to the same horizontal level. Vehicles hung on cables by disengageable coupling pliers are not shown for clarity drawings.

    Les quatre poulies 16, 18, 20 et 30 sont montées sur une platine 36 fixe solidarisée à un châssis 38 de la station 34 par des moyens de support 40, 42. La poulie motrice 16 rotative est accouplée mécaniquement à un motoréducteur 44 qui l'entraíne en rotation, l'ensemble des poulies tournant dans le sens des flèches indiqué sur la figure 4.The four pulleys 16, 18, 20 and 30 are mounted on a fixed plate 36 secured to a frame 38 of the station 34 by support means 40, 42. The rotary drive pulley 16 is mechanically coupled to a geared motor 44 which drives it in rotation, all the pulleys rotating in the direction of the arrows shown in Figure 4.

    Les première et deuxième poulies de guidage 18, 20 ont les mêmes diamètres, et la poulie motrice 16 est alignée avec la troisième poulie de guidage 30 selon la direction générale de la ligne. Les deux câbles 12, 14 sont entraínés parfaitement en synchronisme par la poulie motrice 16 sans intervention de moyens de réglage différentiels.The first and second guide pulleys 18, 20 have the same diameters, and the drive pulley 16 is aligned with the third pulley of guide 30 along the general direction of the line. The two cables 12, 14 are driven perfectly in synchronism by the driving pulley 16 without intervention of differential adjustment means.

    En référence à la figure 7, le mécanisme d'entraínement 128 des deux câbles porteurs-tracteurs 12, 14 est équipé de deux poulies motrices 100, 102 et d'une poulie 104 à double adhérence pour la régulation de vitesse des deux câbles 12, 14. Chaque poulie motrice 100, 102 est accouplée mécaniquement à un motoréducteur 106, 108. Le passage des deux câbles 12, 14 vers la poulie 104 à double adhérence s'effectue au moyen d'une ou deux paires de galets de déviation 112, 114 ; 116, 118.Referring to Figure 7, the drive mechanism 128 of the two cables tractor-carriers 12, 14 is equipped with two drive pulleys 100, 102 and a pulley 104 with double adhesion for speed regulation of the two cables 12, 14. Each driving pulley 100, 102 is mechanically coupled to a geared motor 106, 108. The passage of the two cables 12, 14 towards the pulley 104 with double adhesion is carried out by means of one or two pairs of deflection rollers 112, 114; 116, 118.

    Le galet de déviation est associé à la poulie motrice 102 de droite, et l'autre galet 112 de la première paire est associé à la poulie motrice 100 de gauche. La deuxième paire de galets 116, 118 est associée à la poulie 104 à double adhérence.The deflection roller is associated with the driving pulley 102 on the right, and the other roller 112 of the first pair is associated with the driving pulley 100 on the left. The second pair of rollers 116, 118 is associated with the double pulley 104 adhesion.

    Le premier câble 12 rentre dans le mécanisme 128 en s'enroulant sur la partie droite de la poulie 104, passe sur les galets 118, 112 et s'enroule autour de la poulie motrice 100 de gauche.The first cable 12 enters the mechanism 128 by winding on the part right of pulley 104, passes over rollers 118, 112 and wraps around the drive pulley 100 on the left.

    Le deuxième câble 14 rentre dans le mécanisme 128 en s'enroulant autour de la poulie motrice 102 de droite, passe sur les galets 114, 112 et s'enroule sur la partie gauche de la poulie 104.The second cable 14 enters the mechanism 128 by wrapping around the driving pulley 102 on the right, passes over the rollers 114, 112 and is wound on the left part of the pulley 104.

    La distance externe de séparation des poulies motrices 100, 102 correspond à l'écartement des câbles extérieurs constitués par le brin d'entrée du deuxième câble 14, et le brin de sortie du premier câble 12.The external separation distance of the driving pulleys 100, 102 corresponds at the spacing of the external cables constituted by the input strand of the second cable 14, and the output strand of the first cable 12.

    La poulie 104 à double adhérence est montée sur un axe parallèle à celui des poulies motrices 100, 102, et présente un diamètre correspondant à l'écartement des câbles intérieurs, lesquels sont constitués par le brin d'entrée du premier câble 12 et le brin de sortie du deuxième câble 14.Pulley 104 with double adhesion is mounted on an axis parallel to that of drive pulleys 100, 102, and has a diameter corresponding to the spacing of the interior cables, which consist of the input strand of the first cable 12 and the output strand of the second cable 14.

    L'enroulement des deux câbles 12, 14 sur la même poulie 104 à double adhérence permet de compenser d'éventuelles discordances de vitesse à la suite d'efforts différentiels entre les deux câbles 12, 14. La présence de la poulie 104 engendre une vitesse de défilement rigoureusement identique pour les deux câbles 12, 14. The winding of the two cables 12, 14 on the same double pulley 104 grip helps compensate for any speed mismatches at the following differential forces between the two cables 12, 14. The presence of the pulley 104 generates a strictly identical running speed for the two cables 12, 14.

    Les poulies d'extrémités 100, 102 du mode de réalisation de la figure 7 sont des poulies motrices, "et la poulie 104 à double adhérence peur être soit folle, soit motrice en appoint aux poulies 100, 102, mais sans prétendre à pouvoir assurer seule le mouvement des deux câbles.The end pulleys 100, 102 of the embodiment of FIG. 7 are driving pulleys, "and pulley 104 with double adhesion can be either mad, either powerplant to pulleys 100, 102, but without claiming to be able only ensure the movement of the two cables.

    Concernant les moteurs électriques, dans le premier cas, l'un est maítre, l'autre étant esclave, et dans le second cas, c'est avantageusement le moteur de la poulie à double adhérence 104 qui est maítre, les deux autres moteurs des poulies 100, 102 étant esclaves.Regarding electric motors, in the first case, one is a master, the other being a slave, and in the second case, it is advantageously the motor of the double grip pulley 104 which is master, the other two motors pulleys 100, 102 being slaves.

    Claims (10)

    1. Drive mechanism of a transport installation with two looped traction or carrier-traction cables (12, 14) whereon vehicles are engaged on-line, said mechanism (28, 128) comprising a system of sheaves whereon the two cables (12, 14) run to be moved in synchronism,
      characterized in that the mechanism (28, 128) comprises a single-groove sheave (16, 104) with double adhesion common to the two cables (12, 14) and operating in conjunction with the first cable (12) over a part of its periphery and with the second cable (14) over another part of its periphery so as to ensure that the running speeds of the two cables (12, 14) are identical.
    2. Drive mechanism according to claim 1, characterized in that the sheave (104) with double adhesion of the mechanism (128) is an idler sheave or is weakly motorised in comparison with two drive sheaves (100, 102) whereon the first and second cables (12, 14) run after crossing by diverting means.
    3. Drive mechanism according to claim 2, characterized in that the drive sheaves (100, 102) are externally separated from one another by a distance generating a transverse dimension corresponding to the distance separating the external cable strands, and that the sheave (104) with double adhesion has a diameter corresponding to the distance separating the internal cable strands.
    4. Drive mechanism according to claim 1, characterized in that the sheave (16) with double adhesion of the mechanism (28) is a drive sheave coupled to a geared motor (44) and operating in conjunction with a first and second guide sheave (18, 20) whereon the first and second cables (12, 14) respectively run to each form an S-shaped trajectory passing over the drive sheave (16).
    5. Drive mechanism according to claim 4, characterized in that the drive sheave (16) has an identical diameter to that of each guide sheave (18, 20).
    6. Drive mechanism according to claim 4, characterized in that the drive sheave (16) presents a larger diameter than that of each guide sheave (18, 20) to reduce the loss of winding of the cables (12, 14) on the corresponding parts of the periphery of the drive sheave (16).
    7. Drive mechanism according to claim 1, characterized in that it comprises at least one diverting roller (24, 26, 112, 118) arranged on one side of the sheave with double adhesion (16, 104) to divert at least one of said cables (12, 14) from the plane of the sheave (16, 104) and to enable crossing of the two cables to take place without contact.
    8. Drive mechanism according to claims 4 and 6, characterized in that the first and second guide sheaves (18, 20) are fitted on one side of the drive sheave (16) and a third guide sheave (30) associated to one or two pairs of diverting rollers (24, 26; 32, 34) is fitted on the opposite side of the drive sheave, the assembly being arranged so as to drive the two cables (12, 14) in synchronism.
    9. Drive mechanism according to one of the claims 1 to 6, characterized in that the winding zones of said cables on the sheave with double adhesion (16, 104) constitute distinct circular segments, smaller than 180°, arranged symmetrically with respect to the diametral mid-plane of said sheave.
    10. Transport installation with two traction or carrier-traction cables (12, 14) driven in synchronism to move vehicles coupled to the two cables on-line, installation equipped with a drive mechanism (28, 128) according to any one of the foregoing claims,
      characterized in that the sheave with double adhesion (16, 104) and other guide sheaves (18, 20, 30) or drive sheaves (100, 102) if any, are arranged on a mounting plate (36) mounted inclined on support means (40, 42) fixedly secured to the frame (38).
    EP98410114A 1998-01-29 1998-10-02 Drive mechanism of a transport installation with cables having a sheave with double adherence Expired - Lifetime EP0933277B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9801245 1998-01-29
    FR9801245A FR2774053B1 (en) 1998-01-29 1998-01-29 DRIVE MECHANISM OF A CABLE TRANSPORT INSTALLATION HAVING A DOUBLE-STICK DRIVE PULLEY

    Publications (2)

    Publication Number Publication Date
    EP0933277A1 EP0933277A1 (en) 1999-08-04
    EP0933277B1 true EP0933277B1 (en) 2003-01-08

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    ID=9522546

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98410114A Expired - Lifetime EP0933277B1 (en) 1998-01-29 1998-10-02 Drive mechanism of a transport installation with cables having a sheave with double adherence

    Country Status (3)

    Country Link
    EP (1) EP0933277B1 (en)
    AT (1) ATE230689T1 (en)
    FR (1) FR2774053B1 (en)

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2935332B1 (en) * 2008-09-02 2010-10-01 Pomagalski Sa LONG-STANDING TRANSPORTATION INSTALLATION AND TWO TRACTOR CARRIER CABLES

    Family Cites Families (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR1249949A (en) * 1959-11-24 1961-01-06 Const Aero Navales Telephony installation
    FR1375792A (en) * 1963-07-26 1964-10-23 Underwater cable transport machine
    FR2552726B1 (en) 1983-10-03 1985-11-29 Creissels Denis DEVICE FOR DRIVING THE CABLES OF AN AIR CABLE TRANSPORTATION SYSTEM
    FR2572698B1 (en) 1984-11-02 1988-05-13 Creissels Denis MULTICABLE CABLE CAR OR CABLE CAR

    Also Published As

    Publication number Publication date
    ATE230689T1 (en) 2003-01-15
    FR2774053B1 (en) 2003-05-23
    EP0933277A1 (en) 1999-08-04
    FR2774053A1 (en) 1999-07-30

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