EP0265355A1 - Cable gripper trolley for a dual cableway - Google Patents

Cable gripper trolley for a dual cableway Download PDF

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Publication number
EP0265355A1
EP0265355A1 EP87420283A EP87420283A EP0265355A1 EP 0265355 A1 EP0265355 A1 EP 0265355A1 EP 87420283 A EP87420283 A EP 87420283A EP 87420283 A EP87420283 A EP 87420283A EP 0265355 A1 EP0265355 A1 EP 0265355A1
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EP
European Patent Office
Prior art keywords
cable
support
jaws
trolley according
clamping
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.)
Granted
Application number
EP87420283A
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German (de)
French (fr)
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EP0265355B1 (en
Inventor
Jean Claude Georges
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DENIS CREISSELS SA
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DENIS CREISSELS SA
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Publication date
Application filed by DENIS CREISSELS SA filed Critical DENIS CREISSELS SA
Priority to AT87420283T priority Critical patent/ATE62633T1/en
Publication of EP0265355A1 publication Critical patent/EP0265355A1/en
Application granted granted Critical
Publication of EP0265355B1 publication Critical patent/EP0265355B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61B12/06—Safety devices or measures against cable fracture
    • 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
    • B61B12/005—Rescue devices for passengers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/12—Cable grippers; Haulage clips
    • B61B12/122—Cable grippers; Haulage clips for aerial ropeways
    • 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

Definitions

  • the invention relates to a support trolley for a cabin or a seat of a transport installation with an overhead tractor carrying cable, comprising at least one fixed attachment for coupling the trolley to the cable.
  • Carrier-tractor cable installations require delicate rescue operations in the event of the cabins or seats being immobilized, especially when the site is difficult to access.
  • a heavy load due in particular to vertical oscillations, can impose excessive bending on the cable.
  • the present invention aims to allow the realization of a support trolley facilitating rescue operations without using complicated equipment and / or avoiding excessive bending of the cable.
  • the trolley according to the invention is characterized in that said fastener comprises clamping parts and support parts, rigidly secured to the clamping parts to cooperate with the cable and take up the weight of the trolley when the parts for opening are tightening for a rescue operation, said bearing parts having a guide groove in which the cable is housed.
  • the clamps are fixed pliers or fixed jaws.
  • the supporting pieces which can be pads or rollers, rest on the cable and support the load.
  • the cable remains between the open jaws of the pliers or jaws and is guided by the grooves made in the pads or the rollers.
  • the trolley can then be towed by any means, for example by the cable of a winch moored to a pylon, to slide on the cable and be brought to the pylon or another location where rescue is easier.
  • the clamps are of the standard type with fixed and movable jaw enclosing the lateral faces of the cable in the coupling position.
  • Linen vention is particularly suitable for gondolas with two parallel carrier-towing cables, in which the two immobilized cables constitute a real support and guide track for the trolley towed by the winch.
  • the absence of pylons in line also allows a significant simplification of the carriage and the use of jaws enclosing the upper and lower sides of the cable.
  • the supporting parts have an upward curved face of the cable, the radius of curvature of which is greater than the minimum regulatory radius of curvature to avoid excessive bending of the cable.
  • the length of the support pieces, which surround the pliers or jaws, is sufficient so that the cable never comes into contact with the end of the support piece or horn and the curvature of the support face of the norne is less than that tolerated by the cable. Therefore it is possible to make use of relatively long fasteners which ensure a good distribution of the load on the cable and a large clamping surface avoiding any slipping of the fastener.
  • the open fastener sliding on the immobilized cable it is advantageous to provide a slight withdrawal of the upper jaw relative to the face d 'support of the horn, so as to disengage the cable from the upper jaw when loosening the jaws and ensure the support of the load by the bearing faces of the horns.
  • This last bearing face is advantageously constituted by the bottom of a rounded groove with a cross section greater than that of the cable which guides the fastener when it slides along the cable for a rescue operation.
  • the horns and the upper jaw (s) are advantageously constituted by an elongated monobloc piece, to which the lower jaws are fixed by tightening bolts of the cable trapped between the jaws.
  • the input or output horns or pads consist of one or more rota rollers successive steps supported on the cable.
  • the load support trolley rolls on the rollers on the immobilized cable with minimal friction.
  • horns or pads it is obviously possible to reduce friction by a self-lubricating coating.
  • the invention is described below in its preferred application to a cable car with two carrying cables-tractors, but it applies to single-cable or multi-cable installations.
  • a reciprocating cable car comprises two carrier-towing cables 10, 12 extending between the two stations, not shown, without an intermediate pylon, the two cables 10, 12 being driven in synchronism as described for example 93,680 in European patent No.
  • the vehicle or the cabin, not shown, is fixed by a hanger 14 to a carriage 16 having two elongated fasteners 18, 20, respectively associated with one 10 and the other cable 12.
  • the two fasteners 18, 20 are identical and only one 18 is described below.
  • the fastener 18 comprises four fixed clamps 22, 24, 26, 28 spaced along the cable 10 and carried by a beam 30 of the carriage 16.
  • the clamps 22-28 are of the standard type with movable jaw 34 and fixed jaw 32 which enclose the side faces of the cable 10 in the clamping position.
  • the clamps can be opened by the usual means of periodic shifting and be held in the open position by any suitable means.
  • the clamps 22-28 couple the carriage 16 to the cable 10 and transmit the support and traction forces.
  • the spar 30 further carries two pads 36, 38, which frame the row of pliers 22-28 and are arranged above the cable 10 by offering the latter a longitudinal passage groove 40, formed in the underside of each pad 36, 38.
  • This lower face is preferably curved upwards with a radius of curvature preventing excessive bending of the cable coming to bear on this lower face, for example during an excessive load or a significant vertical oscillation.
  • the carriage 16 is normally coupled to the two cables 10, 12 and is driven by these cables to move between the two stations back and forth. In the stations the cables are stopped the carriage 16 remaining coupled to the cables.
  • the pads 36, 38 constitute a safety against excessive bending, but do not participate or hardly participate in the support and in the traction of the carriage.
  • the invention is applicable to a single-cable installation, the carriage 16 having only one attachment 18, associated with the carrier-tractor cable 10.
  • the clamps 22-28 can be of a different type and the towing cable can be installed permanently, especially in closed loop to be quickly available in case of failure.
  • the fastener 18 comprises an elongated upper part 122 bearing on the upper face of the cable 10 and the central part of which forms upper jaws 126 cooperating with lower jaws 124.
  • the upper 126 and lower jaws 124 have V-grooves 127, 128 with a truncated bottom in which the cable 10 is trapped.
  • the tightening of the jaws 124, 126 is carried out by bolts 129, only one of which is possibly represented with the interposition of elastic washers 130.
  • the elongated piece 122 is extended on either side of the upper jaws 126 by a horn 132, 134 curved upwards which has a groove 136 of rounded section slightly greater than the section of the cable 10.
  • the bottom 138 of the groove 136 constitutes a support face of the cable 10, the curvature of which is less than the bending tolerated by the cable. This avoids excessive bending of the cable 10 regardless of the length of the fastener 18, 20 or the amplitude of the vertical oscillations of the cable.
  • the bottom 138 of the groove 136 is slightly projecting from the bottom 140 of the groove 127 of the upper jaws 126 so that in the loose position of the jaws 124, 126, shown in FIG. 12, the cable 10 is supported on the bottoms 138 of the grooves 136 of the horns 132, 134 slightly peeling off the bottoms 140 of the jaws 124, 126.
  • the fastener 18 can be slid over the cable 10, the friction of the grooves 136 in contact with the cable 10 being relatively low . This friction can also be reduced by a suitable coating or the use of a self-lubricating material.
  • the carriage 16 is coupled to the cables 10, 12 by clamping the jaws 124, 126 on the cables.
  • the horns 132, 134 prevent excessive bending of the cable and the long length of the jaws distributes the load over a large section of the cable. This large length also ensures a large clamping surface and an effective connection between the two cables 10, 12, which move in synchronism.
  • FIGS. 13 to 15 which illustrate another variant, it can be seen that the horns 132, 134 have each been replaced by one or more successive rollers 42, 44 having a groove 46 bearing on the cables 10, 12.
  • the rollers 42, 44 remain stationary and the groove 46 performs the role of bearing of the cable avoiding excessive bending in the manner described above for the groove 136 of the horns 132, 134.
  • the spacing between the rollers or between the rollers and the ends of the upper jaws must of course be sufficiently small to provide appropriate support for the cable, the radius of the rollers 42, 44 being chosen accordingly.
  • the jaws 124, 126 are loosened and the rollers 42, 44 take up the entire load as described above. The resistance to advancement of the carriage 16 on the cables 10, 12 is reduced, the rollers 42, 44 simply rolling on the cables.
  • the invention is of course applicable to a single cable installation, the cabin being suspended from a single attachment of the aforementioned type. It is clear that it would not go beyond the scope of the invention to use a single piece constituting the lower jaws or vice versa by subdividing the upper jaw into several elements, each associated with a lower jaw, the whole being carried by a spar of the carriage.

Abstract

A cradle (16) for supporting a cabin or a skip of a cableway with a suspension/haulage cable (10, 12) comprises fixed attachments (22, 28) having two shoes (36, 38) or wheels capable of taking charge of the cradle (16) in the event of immobilisation of the cables (10, 12) for a rescue operation. The shoes or wheels are curved upwards with a radius of curvature which prevents any excessive bending of the cable. <IMAGE>

Description

L'invention est relative à un chariot de support d'une cabine ou d'un siège d'une installation de transport à câble aérien porteur tracteur, comprenant au moins une attache fixe d'accouplement du chariot au câble.The invention relates to a support trolley for a cabin or a seat of a transport installation with an overhead tractor carrying cable, comprising at least one fixed attachment for coupling the trolley to the cable.

Les installations à câble porteur-tracteur nécessitent des opérations de sauvetage délicates en cas d'immobilisation des cabines ou des sièges, notamment lorsque le site est difficilement accessible. Une charge importante, due notamment à des oscillations verticales, peut imposer au câble une flexion excessive.Carrier-tractor cable installations require delicate rescue operations in the event of the cabins or seats being immobilized, especially when the site is difficult to access. A heavy load, due in particular to vertical oscillations, can impose excessive bending on the cable.

La présente invention a pour but de permettre la réalisation d'un chariot de support facilitant les opérations de sauvetage sans faire appel à des équipments compliqués et/ou évitant toute flexion excessive du câble.The present invention aims to allow the realization of a support trolley facilitating rescue operations without using complicated equipment and / or avoiding excessive bending of the cable.

Le chariot selon l'invention est caractérisé en ce que ladite attache comporte des pièces de serrage et des pièces d'appui, rigidement assujetties aux pièces de serrage pour coopérer avec le câble et reprendre le poids du chariot lors d'une ouverture des pièces de serrage pour une opération de sauvetage, lesdites pièces d'appui présentant une gorge de guidage dans laquelle est logé le câble. Les pièces de serrage sont des pinces fixes ou des mordaches fixes.The trolley according to the invention is characterized in that said fastener comprises clamping parts and support parts, rigidly secured to the clamping parts to cooperate with the cable and take up the weight of the trolley when the parts for opening are tightening for a rescue operation, said bearing parts having a guide groove in which the cable is housed. The clamps are fixed pliers or fixed jaws.

Après ouverture des pièces de serrage les pièce d'appui, qui peuvent être des patins ou des galets, reposent sur le câble et supportent la charge. Le câble reste entre les mors ouverts des pinces ou mordaches et il est guidé par les gorges ménagées dans les patins ou les galets. Le chariot peut alors être tracté par un moyen quelconque, par exemple par le câble d'un treuil amarré à un pylône, pour glisser sur le câble et être amené vers le pylône ou un autre emplacement où le sauvetage est plus simple. Les pinces sont du type standard à mors fixe et mobile enserrant les faces latérales du câble en position d'accouplement. L'in vention est particulièrement appropriée à des télécabines à deux câbles porteurs-tracteurs parallèles, dans lesquelles les deux câbles immobilisés constituent une véritable voie de support et de guidage du chariot remorqué par le treuil. L'absence de pylônes en ligne permet de plus une simplification notable du chariot et l'emploi de mordaches enserrant les faces supérieure et inférieure du câble. Les pièces d'appui présentent au câble une face incurvée vers le haut, dont le rayon de courbure est supérieur au rayon de courbure minimal réglementaire pour éviter toute flexion excessive du câble. La longueur des pièces d'appui, qui encadrent les pinces ou mordaches, est suffisante pour que le câble ne parvienne jamais en appui de l'extrémité de la pièce ou corne d'appui et la courbure de la face d'appui de la norne est inférieure à celle tolérée par le câble. De ce fait il est possible de faire usage d'attaches relativement longues qui assurent une bonne répartition de la charge sur le câble et une grande surface de serrage évitant tout glissement de l'attache.After opening the clamping pieces, the supporting pieces, which can be pads or rollers, rest on the cable and support the load. The cable remains between the open jaws of the pliers or jaws and is guided by the grooves made in the pads or the rollers. The trolley can then be towed by any means, for example by the cable of a winch moored to a pylon, to slide on the cable and be brought to the pylon or another location where rescue is easier. The clamps are of the standard type with fixed and movable jaw enclosing the lateral faces of the cable in the coupling position. Linen vention is particularly suitable for gondolas with two parallel carrier-towing cables, in which the two immobilized cables constitute a real support and guide track for the trolley towed by the winch. The absence of pylons in line also allows a significant simplification of the carriage and the use of jaws enclosing the upper and lower sides of the cable. The supporting parts have an upward curved face of the cable, the radius of curvature of which is greater than the minimum regulatory radius of curvature to avoid excessive bending of the cable. The length of the support pieces, which surround the pliers or jaws, is sufficient so that the cable never comes into contact with the end of the support piece or horn and the curvature of the support face of the norne is less than that tolerated by the cable. Therefore it is possible to make use of relatively long fasteners which ensure a good distribution of the load on the cable and a large clamping surface avoiding any slipping of the fastener.

Pour permettre l'opération de sauvetage en cas d'immobilisation du câble porteur-tracteur par remorquage de la cabine, l'attache ouverte glissant sur le câble immobilisé il est avantageux de prévoir un faible retrait de la mordache supérieure par rapport à la face d'appui de la corne, de manière à dégager le câble de la mordache supérieure lors d'un desserrage des mordaches et assurer le support de la charge par les faces d'appui des cornes. Cette dernière face d'appui est avantageusement constituée par le fond d'une gorge arrondie de section supérieure à celle du câble qui assure le guidage de l'attache lors d'un glissement le long du câble pour une opération de sauvetage.To allow the rescue operation in the event of immobilization of the carrier-tractor cable by towing the cabin, the open fastener sliding on the immobilized cable it is advantageous to provide a slight withdrawal of the upper jaw relative to the face d 'support of the horn, so as to disengage the cable from the upper jaw when loosening the jaws and ensure the support of the load by the bearing faces of the horns. This last bearing face is advantageously constituted by the bottom of a rounded groove with a cross section greater than that of the cable which guides the fastener when it slides along the cable for a rescue operation.

Les cornes et le ou les mordaches supérieures sont avantageusement constituées par une pièce monobloc allongée, à laquelle les mordaches inférieures sont fixées par des boulons de serrage du câble emprisonné entre les mordach es.The horns and the upper jaw (s) are advantageously constituted by an elongated monobloc piece, to which the lower jaws are fixed by tightening bolts of the cable trapped between the jaws.

Selon une variante de réalisation, les cornes ou patins d'entrée et de sortie sont constituées par un ou plusieurs galets rota tifs successifs prenant appui sur le câble. Lors d'un sauvetage le chariot de support de la charge roule par les galets sur le câble immobilisé avec un frottement minimal. Dans le cas des cornes ou patins il est évidemment possible de réduire le frottement par un revêtement autolubrifiant.According to an alternative embodiment, the input or output horns or pads consist of one or more rota rollers successive steps supported on the cable. During a rescue, the load support trolley rolls on the rollers on the immobilized cable with minimal friction. In the case of horns or pads it is obviously possible to reduce friction by a self-lubricating coating.

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

  • - la figure 1 est une vue en perspective d'un chariot selon l'invention;
  • - la figure 2 est une coupe suivant la ligne II-II de la fig. 1;
  • - la figure 3 est une vue de côté montrant les patins de support selon la fig. 1;
  • - les figures 4 à 6 sont des vues analogues à celles des fig. 1 à 3, illustrant une variante de réalisation;
  • - la figure 7 est une vue schématique en perspective d'un chariot de support d'une charge équipé d'un dispositif d'attache à mordaches selon l'invention;
  • - la figure 8 est une vue de coté partiellement en coupe longitudinale du dispositif d'attache selon la fig. 7;
  • - la figure 9 est une vue de détail, à échelle agrandie, de la fig. 8, montrant l'arrondi de la corne;
  • - les figures 10 et 11 sont des coupes suivant les lignes X-X et XI-XI de la fig. 8;
  • - la figure 12 est une vue analogue à celle de la fig. 11, montrant les mordaches desserrées;
  • - les figures 13, 14 et 15 sont des vues analogues à celles des fig. 7, 8 et 11, illustrant une variante de réalisation.
Other advantages and characteristics will emerge more clearly from the description which follows of different embodiments of the invention, given by way of nonlimiting examples and represented in the appended drawings, in which:
  • - Figure 1 is a perspective view of a carriage according to the invention;
  • - Figure 2 is a section along line II-II of FIG. 1;
  • - Figure 3 is a side view showing the support pads according to fig. 1;
  • - Figures 4 to 6 are views similar to those of Figs. 1 to 3, illustrating an alternative embodiment;
  • - Figure 7 is a schematic perspective view of a load support carriage equipped with a jaw attachment device according to the invention;
  • - Figure 8 is a side view partially in longitudinal section of the fastening device according to fig. 7;
  • - Figure 9 is a detail view, on an enlarged scale, of FIG. 8, showing the rounding of the horn;
  • - Figures 10 and 11 are sections along lines XX and XI-XI of FIG. 8;
  • - Figure 12 is a view similar to that of FIG. 11, showing the loose jaws;
  • - Figures 13, 14 and 15 are views similar to those of Figs. 7, 8 and 11, illustrating an alternative embodiment.

L'invention est décrite ci-dessous dans son application préférentielle à un téléphérique à deux câbles porteurs-tracteurs, mais elle s'applique à des installations monocâble ou multicâble.The invention is described below in its preferred application to a cable car with two carrying cables-tractors, but it applies to single-cable or multi-cable installations.

Sur les figures, un téléphérique à va et vient comporte deux câbles porteurs-tracteurs 10, 12 s'étendant entre les deux stations, non représentées, sans pylône intermédiaire, les deux câbles 10, 12 étant entraînés en synchronisme de la manière décrite par exemple dans le brevet européen N o 93.680. Le véhicule ou la cabine, non représenté, est fixé par une suspente 14 à un chariot 16 ayant deux attaches allongées 18, 20, respectivement associée à l'un 10 et à l'autre câble 12. Les deux attaches 18, 20 sont identiques et seule l'une 18 est décrite par la suite. L'attache 18 comporte quatre pinces fixes 22, 24, 26, 28 espacées le long du câble 10 et portées par un longeron 30 du chariot 16. Les pinces 22-28 sont du type standard à mors mobile 34 et mors fixe 32 qui enserrent les faces latérales du câble 10 en position de serrage. Les pinces peuvent être ouvertes par les moyens usuels de ripage périodique et être maintenues en positions ouverte par tout moyen approprié. En fonctionnement normal les pinces 22-28 accouplent le chariot 16 au câble 10 et transmettent les forces de support et de traction. Le longeron 30 porte de plus deux patins 36, 38, qui encadrent la rangée de pinces 22-28 et sont disposés au-dessus du câble 10 en offrant à ce dernier une gorge 40 longitudinale de passage, ménagée dans la face inférieure de chaque patin 36, 38. Cette face inférieure est de préférence incurvée vers le haut avec un rayon de courbure empêchant une flexion excessive du câble venant en appui de cette face inférieure, par exemple lors d'une charge excessive ou d'une oscillation verticale importante.In the figures, a reciprocating cable car comprises two carrier-towing cables 10, 12 extending between the two stations, not shown, without an intermediate pylon, the two cables 10, 12 being driven in synchronism as described for example 93,680 in European patent No. The vehicle or the cabin, not shown, is fixed by a hanger 14 to a carriage 16 having two elongated fasteners 18, 20, respectively associated with one 10 and the other cable 12. The two fasteners 18, 20 are identical and only one 18 is described below. The fastener 18 comprises four fixed clamps 22, 24, 26, 28 spaced along the cable 10 and carried by a beam 30 of the carriage 16. The clamps 22-28 are of the standard type with movable jaw 34 and fixed jaw 32 which enclose the side faces of the cable 10 in the clamping position. The clamps can be opened by the usual means of periodic shifting and be held in the open position by any suitable means. In normal operation the clamps 22-28 couple the carriage 16 to the cable 10 and transmit the support and traction forces. The spar 30 further carries two pads 36, 38, which frame the row of pliers 22-28 and are arranged above the cable 10 by offering the latter a longitudinal passage groove 40, formed in the underside of each pad 36, 38. This lower face is preferably curved upwards with a radius of curvature preventing excessive bending of the cable coming to bear on this lower face, for example during an excessive load or a significant vertical oscillation.

Le chariot 16 est normalement accouplé aux deux câbles 10, 12 et est entraîné par ces câbles pour se déplacer entre les deux stations en va et vient. Dans les stations les câbles sont arrêtés le chariot 16 restant accouplé aux câbles. Les patins 36, 38 constituent une sécurité contre les flexions excessives, mais ne participent pas ou peu au sup port et à la traction du chariot.The carriage 16 is normally coupled to the two cables 10, 12 and is driven by these cables to move between the two stations back and forth. In the stations the cables are stopped the carriage 16 remaining coupled to the cables. The pads 36, 38 constitute a safety against excessive bending, but do not participate or hardly participate in the support and in the traction of the carriage.

En cas d'immobilisation des câbles 10, 12 et ainsi du chariot 16 en ligne, il est possible de remorquer le chariot 16 avec sa cabine au moyen d'un treuil vers un pylône en faisant glisser le chariot 16 sur les câbles 10, 12, les pinces 22-28 ayant été préalablement ouvertes. En ouvrant les pinces 22-28 les patins 36, 38 viennent se poser sur les câbles 10, 12 et ils assurent le support du chariot 16. Les mors 32, 34 ouverts encadrent avec jeu le câble 10, 12, mais le guidage du chariot est assuré par les gorges 40 des patins 36, 38 qui peuvent être en un matériau autolubrifiant ou être recouverts d'un tel matériau.In case of immobilization of the cables 10, 12 and thus of the carriage 16 in line, it is possible to tow the carriage 16 with its cabin by means of a winch towards a pylon by sliding the carriage 16 over the cables 10, 12 , the clamps 22-28 having been previously opened. By opening the clamps 22-28 the pads 36, 38 come to rest on the cables 10, 12 and they provide the support for the carriage 16. The open jaws 32, 34 frame with play the cable 10, 12, but the guidance of the carriage is provided by the grooves 40 of the pads 36, 38 which may be made of a self-lubricating material or be covered with such a material.

En se référant aux figures 4 à 6, on voit une variante de réalisation de l'invention, dans laquelle les patins sont remplacés par un ou plusieurs galets 42, 44 à gorge 46. Lors d'une ouverture des pinces pour une opération de sauvetage les galtes 42, 44 viennent s'appuyer sur les câbles 10, 12 logés dans les gorges 46 et ils roulent sur ces câbles au cours du déplacement imposé par le treuil. Le chariot 16 est guidé par les gorges 46. Le matériau autolubrifiant est dans ce cas inutile et le chariot 16 peut bien entendu comprendre un plus grand nombre de galts 42, 44.Referring to Figures 4 to 6, we see an alternative embodiment of the invention, in which the pads are replaced by one or more rollers 42, 44 grooved 46. When opening the clamps for a rescue operation the rollers 42, 44 come to bear on the cables 10, 12 housed in the grooves 46 and they roll on these cables during the movement imposed by the winch. The carriage 16 is guided by the grooves 46. The self-lubricating material is in this case unnecessary and the carriage 16 can of course include a greater number of gallts 42, 44.

L'invention est applicable à une installation monocâble, le chariot 16 ne comportant qu'une seule attache 18, associée au câble porteur-tracteur 10. Les pinces 22-28 peuvent être d'un type différent et le câble de remorquage peut être installé à demeure, notamment en boucle fermée pour être rapidement disponible en cas de panne.The invention is applicable to a single-cable installation, the carriage 16 having only one attachment 18, associated with the carrier-tractor cable 10. The clamps 22-28 can be of a different type and the towing cable can be installed permanently, especially in closed loop to be quickly available in case of failure.

En se référant maintenant aux figures 7 à 15, qui illustrent deux autres types d'attaches selon l'invention et dans lesquelles les mêmes numéros de référence sont utilisés pour désigner des pièces analogues ou identiques à celles des figures 1 à 6, on voit que l'attache 18 comporte une pièce allongée supérieure 122 prenant appui sur la face supérieure du câble 10 et dont la partie centrale constitue des mordaches supérieures 126 coopérant avec des mordaches inférieures 124. Les mordaches supérieures 126 et inférieures 124 présentent des rainures en V 127, 128 à fond tronqué dans lesquelles est emprisonné le câble 10. Le serrage des mordaches 124, 126 est réalisé par des boulons 129, dont seule l'un est représenté éventuellement avec interposition de rondelles élastiques 130.Referring now to FIGS. 7 to 15, which illustrate two other types of fasteners according to the invention and in which the same reference numbers are used to designate parts similar or identical to those of FIGS. 1 to 6, it can be seen that the fastener 18 comprises an elongated upper part 122 bearing on the upper face of the cable 10 and the central part of which forms upper jaws 126 cooperating with lower jaws 124. The upper 126 and lower jaws 124 have V-grooves 127, 128 with a truncated bottom in which the cable 10 is trapped. The tightening of the jaws 124, 126 is carried out by bolts 129, only one of which is possibly represented with the interposition of elastic washers 130.

Selon l'invention, la pièce allongée 122 est prolongée de part et d'autre des mordaches supérieures 126 par une corne 132, 134 courbée vers le haut qui présente une gorge 136 de section arrondie légèrement supérieure à la section du câble 10. Le fond 138 de la gorge 136 constitue une face d'appui du câble 10, dont la courbure est inférieure à la flexion tolérée par le câble. On évite ainsi toute flexion excessive du câble 10 quelle que soit la longueur de l'attache 18, 20 ou l'amplitude des oscillations verticales du câble.According to the invention, the elongated piece 122 is extended on either side of the upper jaws 126 by a horn 132, 134 curved upwards which has a groove 136 of rounded section slightly greater than the section of the cable 10. The bottom 138 of the groove 136 constitutes a support face of the cable 10, the curvature of which is less than the bending tolerated by the cable. This avoids excessive bending of the cable 10 regardless of the length of the fastener 18, 20 or the amplitude of the vertical oscillations of the cable.

Le fond 138 de la gorge 136 est faiblement en saillie du fond 140 de la rainure 127 des mordaches supérieures 126 de telle manière qu'en position desserrée des mordaches 124, 126, représentée à la figure 12, le câble 10 prenne appui sur les fonds 138 des gorges 136 des cornes 132, 134 en se décollant légèrement des fonds 140 des mordaches 124, 126. Dans cette position l'attache 18 peut être glissée sur le câble 10, le frottement des gorges 136 au contact du câble 10 étant relativement faible. Ce frottement peut de plus être réduit par un revêtement approprié ou l'emploi d'un matériau autolubrifiant.The bottom 138 of the groove 136 is slightly projecting from the bottom 140 of the groove 127 of the upper jaws 126 so that in the loose position of the jaws 124, 126, shown in FIG. 12, the cable 10 is supported on the bottoms 138 of the grooves 136 of the horns 132, 134 slightly peeling off the bottoms 140 of the jaws 124, 126. In this position the fastener 18 can be slid over the cable 10, the friction of the grooves 136 in contact with the cable 10 being relatively low . This friction can also be reduced by a suitable coating or the use of a self-lubricating material.

En fonctionnement normal le chariot 16 est accouplé aux câbles 10, 12 par serrage des mordaches 124, 126 sur les câbles. Les cornes 132, 134 évitent toute flexion excessive du câble et la longueur importante des mordaches répartit la charge sur un tronçon important du câble. Cette longueur importante assure également une grande surface de serrage et une liaison efficace entre les deux câbles 10, 12, qui se déplacent en synchronisme.In normal operation, the carriage 16 is coupled to the cables 10, 12 by clamping the jaws 124, 126 on the cables. The horns 132, 134 prevent excessive bending of the cable and the long length of the jaws distributes the load over a large section of the cable. This large length also ensures a large clamping surface and an effective connection between the two cables 10, 12, which move in synchronism.

En cas d'immobilisation des câbles 1 0, 12, il est possible de remorquer le chariot 16 à l'aide d'un treuil, non représenté, les attaches 18, 20 glissant sur les câbles 10, 12 après desserrage des mordaches 124, 126. Dans la position desserrée les câbles sont dégagés des rainures des mordaches tout en restant emprisonnés dela manière représentée à la figure 12. On évite ainsi tout risque de déraillement du chariot 16 qui est en appui sur les câbles par les cornes 132, 134. La résistance au glissement est faible et le guidage est assuré par les gorges 136 recevant les câbles.In case of immobilization of the cables 1 0, 12, it is possible to tow the carriage 16 using a winch, not shown, the fasteners 18, 20 sliding on the cables 10, 12 after loosening of the jaws 124, 126. In the loose position, the cables are released from the grooves of the jaws while remaining trapped in the manner shown in FIG. 12. This avoids any risk of derailment of the carriage 16 which is supported on the cables by the horns 132, 134. Slip resistance is low and guidance is provided by the grooves 136 receiving the cables.

En se référant aux figures 13 à 15, qui illustrent une autre variante, on voit que les cornes 132, 134 ont été remplacées chacune par un ou plusieurs galets successifs 42, 44 ayant une gorge 46 d'appui sur les câbles 10, 12. Normalement les galets 42, 44 restent immobiles et la gorge 46 assure le rôle d'appui du câble évitant toute flexion excessive de la manière décrite ci-dessus pour la gorge 136 des cornes 132, 134. L'écartement entre les galets ou entre les galets et les extrémités des mordaches supérieures doit bien entendu être suffisamment faible pour offrir un appui approprié au câble, le rayon des galets 42, 44 étant choisi en conséquence. Pour une opération de sauvetage les mordaches 124, 126 sont desserrées et les galets 42, 44 reprennent la totalité de la charge tel que décrit ci-dessus. La résistance à l'avancement du chariot 16 sur les câbles 10, 12 est réduite, les galets 42, 44 roulant simplement sur les câbles.Referring to FIGS. 13 to 15, which illustrate another variant, it can be seen that the horns 132, 134 have each been replaced by one or more successive rollers 42, 44 having a groove 46 bearing on the cables 10, 12. Normally the rollers 42, 44 remain stationary and the groove 46 performs the role of bearing of the cable avoiding excessive bending in the manner described above for the groove 136 of the horns 132, 134. The spacing between the rollers or between the rollers and the ends of the upper jaws must of course be sufficiently small to provide appropriate support for the cable, the radius of the rollers 42, 44 being chosen accordingly. For a rescue operation the jaws 124, 126 are loosened and the rollers 42, 44 take up the entire load as described above. The resistance to advancement of the carriage 16 on the cables 10, 12 is reduced, the rollers 42, 44 simply rolling on the cables.

L'invention est bien entendu applicable à une installation monocâble, la cabine étant suspendue à une attache unique de type susmentionné. Il est clair qu'on ne sortirait pas du cadre de l'invention en utilisant une pièce unique constituant les mordaches inférieures ou inversement en subdivisant la mordache supérieure en plusieurs éléments, chacun associé à une mordache inférieure, l'ensemble étant porté par un longeron du chariot. The invention is of course applicable to a single cable installation, the cabin being suspended from a single attachment of the aforementioned type. It is clear that it would not go beyond the scope of the invention to use a single piece constituting the lower jaws or vice versa by subdividing the upper jaw into several elements, each associated with a lower jaw, the whole being carried by a spar of the carriage.

Claims (10)

1. Chariot (16) de support d'une cabine ou d'un siège d'une installation de transport à câble aérien porteur-tracteur (10, 12), comprenant au moins une attache fixe (18, 20) d'accouplement du chariot (16) au câble, caractérisé en ce qu'il comporte des pièces de serrage (22-28; 124, 126) et des pièces d'appui (36, 38; 42, 44; 132, 134) rigidement assujetties aux pièces de serrage pour coopérer avec le câble et reprendre le poids du chariot (16) lors d'une ouverture des pièces de serrage pour une opération de sauvetage, lesdites pièces d'appui (36, 38; 42, 44; 132, 134) présentant une gorge (40, 46, 36) de guidage dans laquelle est logé le câble (10, 12).1. Trolley (16) for supporting a cabin or a seat of an overhead cable-to-tractor transport installation (10, 12), comprising at least one fixed attachment (18, 20) for coupling the cable trolley (16), characterized in that it comprises clamping parts (22-28; 124, 126) and support parts (36, 38; 42, 44; 132, 134) rigidly secured to the parts clamp to cooperate with the cable and take the weight of the carriage (16) when opening the clamping parts for a rescue operation, said supporting parts (36, 38; 42, 44; 132, 134) having a guide groove (40, 46, 36) in which the cable (10, 12) is housed. 2. Chariot selon la revendication 1, caractérisé en ce qu'une paire de pièces d'appui (36, 38; 42, 44; 132, 134) encadrent de part et d'autre ladite pièce de serrage (22-28; 124, 126) pour supporter et guider le chariot (16) au cours du glissement sur le câble, la pièce de serrage étant ouverte.2. Trolley according to claim 1, characterized in that a pair of support pieces (36, 38; 42, 44; 132, 134) frame on both sides said clamping piece (22-28; 124 , 126) to support and guide the carriage (16) during sliding on the cable, the clamping part being open. 3. Chariot selon la revendication 1 ou 2, caractérisé en ce que lesdites pièces d'appui (36, 38; 42, 44; 124, 126) sont incurvées vers le haut pour présenter au câble une face d'appui évitant toute contrainte excessive de flexion du câble.3. Trolley according to claim 1 or 2, characterized in that said support pieces (36, 38; 42, 44; 124, 126) are curved upwards to present the cable with a support face avoiding any excessive stress. cable bending. 4. Chariot selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdites pièces d'appui sont des galets (42, 44) à gorge (46) chevauchant le câble et susceptibles de rouler sur le câble.4. Trolley according to any one of the preceding claims, characterized in that said bearing parts are rollers (42, 44) with grooves (46) overlapping the cable and capable of rolling on the cable. 5. Chariot selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce de serrage comporte une ou plusieurs pinces (22-28) juxtaposées le long du câble (10, 12) l'ensemble des pinces étant encadré par lesdites pièces d'appui (36, 38; 42, 44) et que chaque pince (22-28) est constituée de deux mors, l'un (32) fixe et l'autre (34) mobile, enserrant en position de serrage les deux faces latérales du câble (10, 12), le mors fixe (32) prenant appui sur la face supérieure du câble.5. Trolley according to any one of the preceding claims, characterized in that the clamping piece comprises one or more clamps (22-28) juxtaposed along the cable (10, 12), the set of clamps being framed by said pieces support (36, 38; 42, 44) and that each clamp (22-28) consists of two jaws, one (32) fixed and the other (34) movable, enclosing in the clamping position the two lateral faces of the cable (10, 12), the fixed jaw (32) bearing on the upper face of the cable. 6. Chariot selon l'une quelconque des revendications 1 à 4, caractérisé en ce q ue lesdites pièces de serrage comportent au moins une paire de mordaches (124, 126) allongées enserrant en position de fixation le câble, emprisonné dans des rainures (127, 128) longitudinales conjuguées ménagées sur les faces en regard des mordaches, l'une des mordaches prenant appui sur la face supérieure du câble (10, 12) pour supporter la charge et l'autre mordache coopérant avec la face inférieure du câble, pour enserrer le câble entre la paire de mordaches.6. Trolley according to any one of claims 1 to 4, characterized in that said said clamping pieces comprise at least one pair of elongated jaws (124, 126) enclosing in cable fixing position, trapped in grooves (127 , 128) longitudinal conjugates formed on the opposite faces of the jaws, one of the jaws resting on the upper face of the cable (10, 12) to support the load and the other jaw cooperating with the underside of the cable, for grip the cable between the pair of jaws. 7. Chariot selon la revendication 6, caractérisé en ce que la rainure (127) de logement du câble (10, 12) ménagée dans la mordache supérieure (126) est faiblement en retrait de la face des pièces d'appui (132, 134) pour dégager le câble légèrement de la rainure (127) en position desserrée de l'attache et autoriser un glissement de l'attache le long du câble.7. Trolley according to claim 6, characterized in that the groove (127) for housing the cable (10, 12) formed in the upper jaw (126) is slightly set back from the face of the support parts (132, 134 ) to release the cable slightly from the groove (127) in the loosened position of the clip and allow the clip to slide along the cable. 8. Chariot selon la revendication 7, caractérisé en ce que la rainure (128) de la mordache inférieure (124) comporte des moyens d'augmentation de l'adhérence, en particulier des stries ou aspérités coopérant avec le câble (10,12), en position de serrage de l'attache sur le câble, pour éviter tout glissement.8. Trolley according to claim 7, characterized in that the groove (128) of the lower jaw (124) comprises means for increasing the adhesion, in particular streaks or roughness cooperating with the cable (10,12) , in the clamping position of the clip on the cable, to prevent slipping. 9. Chariot selon l'une des revendications 6 à 8, caractérisé en ce que ladite pièce d'appui (132, 134) présente une gorge (136) de section arrondie légèrement supérieure à celle du câble (10, 12) le fond de ladite gorge constituant une face d'appui (138) du câble.9. Trolley according to one of claims 6 to 8, characterized in that said support piece (132, 134) has a groove (136) of rounded section slightly greater than that of the cable (10, 12) the bottom of said groove constituting a bearing face (138) of the cable. 10. Chariot selon l'une quelconque des revendications 6 à 9, caractérisé en ce que la ou les mordaches supérieures (126) constituent avec lesdites pièces d'appui (132, 134) une pièce allongée formant un châssis de fixation d'une suspente (14) de la charge.10. Trolley according to any one of claims 6 to 9, characterized in that the upper jaw (s) (126) constitute with said support pieces (132, 134) an elongated piece forming a frame for fixing a hanger (14) of the load.
EP87420283A 1986-10-23 1987-10-21 Cable gripper trolley for a dual cableway Expired - Lifetime EP0265355B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87420283T ATE62633T1 (en) 1986-10-23 1987-10-21 GRIPPER CAR FOR DOUBLE CABLE RAIL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8614935 1986-10-23
FR8614935A FR2605576B1 (en) 1986-10-23 1986-10-23 TROLLEY WITH FIXED ATTACHMENT COUPLING TO AN AIR CABLE

Publications (2)

Publication Number Publication Date
EP0265355A1 true EP0265355A1 (en) 1988-04-27
EP0265355B1 EP0265355B1 (en) 1991-04-17

Family

ID=9340244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87420283A Expired - Lifetime EP0265355B1 (en) 1986-10-23 1987-10-21 Cable gripper trolley for a dual cableway

Country Status (3)

Country Link
EP (1) EP0265355B1 (en)
AT (1) ATE62633T1 (en)
FR (1) FR2605576B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695898A1 (en) * 1992-09-18 1994-03-25 Reel Sa Reversible cable connector for funicular carriage - has cam with double ramp extending axially along path of movement
FR2777333A1 (en) * 1998-04-09 1999-10-15 Frederic Labaeye Pulling grip for a cable under tension
CN112172950A (en) * 2020-10-16 2021-01-05 长沙理工大学 Crawler-type rope climbing robot
CN112208661A (en) * 2020-10-16 2021-01-12 长沙理工大学 Self-adaptive transportation equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700553A (en) * 2012-06-07 2012-10-03 力博重工科技股份有限公司 Broken rope catching device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656340A1 (en) * 1976-12-13 1978-06-15 Pohlig Heckel Bleichert Cable railway running gear - has auxiliary clamps with connecting rod for release of main if cable fails
FR2567469A1 (en) * 1984-07-11 1986-01-17 Montaz Mautino Ets Vehicle suspension means for a transport installation with two overhead carrying-hauling cables having parallel sides
EP0192504A1 (en) * 1985-01-17 1986-08-27 Denis Creissels Cable car with two load-bearing haulage cables

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656340A1 (en) * 1976-12-13 1978-06-15 Pohlig Heckel Bleichert Cable railway running gear - has auxiliary clamps with connecting rod for release of main if cable fails
FR2567469A1 (en) * 1984-07-11 1986-01-17 Montaz Mautino Ets Vehicle suspension means for a transport installation with two overhead carrying-hauling cables having parallel sides
EP0192504A1 (en) * 1985-01-17 1986-08-27 Denis Creissels Cable car with two load-bearing haulage cables

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695898A1 (en) * 1992-09-18 1994-03-25 Reel Sa Reversible cable connector for funicular carriage - has cam with double ramp extending axially along path of movement
FR2777333A1 (en) * 1998-04-09 1999-10-15 Frederic Labaeye Pulling grip for a cable under tension
CN112172950A (en) * 2020-10-16 2021-01-05 长沙理工大学 Crawler-type rope climbing robot
CN112208661A (en) * 2020-10-16 2021-01-12 长沙理工大学 Self-adaptive transportation equipment
CN112208661B (en) * 2020-10-16 2021-08-31 长沙理工大学 Self-adaptive transportation equipment

Also Published As

Publication number Publication date
EP0265355B1 (en) 1991-04-17
FR2605576B1 (en) 1989-06-23
FR2605576A1 (en) 1988-04-29
ATE62633T1 (en) 1991-05-15

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