EP0692418B1 - Driving system for cableway installations of the type including carrying cables and hauling cables - Google Patents

Driving system for cableway installations of the type including carrying cables and hauling cables Download PDF

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Publication number
EP0692418B1
EP0692418B1 EP95201878A EP95201878A EP0692418B1 EP 0692418 B1 EP0692418 B1 EP 0692418B1 EP 95201878 A EP95201878 A EP 95201878A EP 95201878 A EP95201878 A EP 95201878A EP 0692418 B1 EP0692418 B1 EP 0692418B1
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EP
European Patent Office
Prior art keywords
pulleys
hauling cable
car
twin
driving
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
Application number
EP95201878A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0692418A1 (en
Inventor
Erwin Oberhuber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOELZL COSTRUZIONE FUNIVIE Srl
Original Assignee
HOELZL COSTRUZIONE FUNIVIE Srl
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Filing date
Publication date
Application filed by HOELZL COSTRUZIONE FUNIVIE Srl filed Critical HOELZL COSTRUZIONE FUNIVIE Srl
Publication of EP0692418A1 publication Critical patent/EP0692418A1/en
Application granted granted Critical
Publication of EP0692418B1 publication Critical patent/EP0692418B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B7/00—Rope railway systems with suspended flexible tracks
    • B61B7/02—Rope railway systems with suspended flexible tracks with separate haulage cables

Definitions

  • the present invention relates to a driving system for cableway installations of the type including carrying cables and hauling cables.
  • single-cable installations there are indicated those cableway installations wherein a single cable (or, as the case may be, a single pair of parallel cables) executes simultaneously both the function of carrying cable and the function of hauling cable.
  • twin-cable installations there are, on the other hand, indicated those cableway installations with at least one, fixed, carrying cable and at least one, movable, hauling cable.
  • Single-cable installations have two main drawbacks with respect to twin-cable installations.
  • the carrying-hauling cable In the first place, in a single-cable installation the carrying-hauling cable must have a sufficiently large diameter to support the weight of the car; this determines an increase in the weight of the masses in motion and an increase in the size of the driving system with respect to the case of a twin-cable installation, wherein the weight of the car is supported by the carrying cable and the hauling cable can thus have a reduced diameter.
  • the possibility of tensioning the carrying-hauling cable of a single-cable installation is always a great deal less than that of the carrying cable of a twin-cable installation.
  • Twin-cable installations are thus frequently preferred over the single-cable type, in particular if cars of considerable dimensions and weight are contemplated.
  • Twin-cable installations are known that for each car and corresponding pathway between an upper station and a lower station comprise a single carrying cable or a twin carrying cable; the car is suspended from the carrying cable, either single or twin, through a cableway carriage, to which the car is in turn fastened through a suspension.
  • oscillations are usually distinguished into longitudinal oscillations, when they take place in the vertical plane lying in the direction of forward movement of the car, and transversal oscillations, when they take place transversally to the direction of forward movement of the car (direction of the carrying cable).
  • the length of the suspension and the inclination of the carrying cable are particularly important.
  • the presence of too short a suspension and of steep gradients of the carrying cable it can happen that during the longitudinal oscillations the car can touch the carrying cable and/or the hauling cable, with consequent damage to both the car and the cables.
  • the object of the present invention is that of providing a driving system for cableway installations of the type comprising carrying cables and hauling cables that allows the use of cars with suspensions of a limited length, and that is not affected by the problems caused by the oscillations of the cars.
  • a driving system for cableway installations of the twin-cable type comprising:
  • the car will be able to oscillate longitudinally even in the presence of a short suspension, without any danger of it going to touch the cables.
  • the transversal oscillations of the car are highly damped when approaching the stations; the speed at which the cars approach the stations does not therefore have to be reduced too much.
  • a driving system for a cableway installation with one pathway, comprising a pair of parallel carrying cables 1 (represented with a continuous line), extending between two stations 2 and 3.
  • station 2 is a driving station, located indifferently up the mountain or down in the valley; station 3 is a driven station.
  • the two carrying cables 1 are located at opposite sides of a car 4, at a reciprocal distance greater than the width of the car 4.
  • the car 4 is provided in a known manner with a supporting carriage 5 (better visible in Fig. 3) slidably moving on the two carrying cables 1 through idle pulleys 50.
  • the hauling cable 6 comprises a first pair of parallel branches 6a, 6b (represented with a dashed and dotted line) that extend from the station 2 to the car 4 and define a first section of hauling cable 6A, and a second pair of parallel branches 6c, 6d (represented by a line with dashes and two dots) that extend from the station 3 to the car 4 and define a second section of hauling cable 6B.
  • the reciprocal distance between the two branches 6a, 6b, as well as the reciprocal distance between the two branches 6c, 6d is greater than the width of the car 4.
  • twin pulleys 11 and 12 located in the proximity of the two sides of the carriage 5 and each comprising two coaxial pulleys 11a, 11b and 12a, 12b, superimposed one above the other, and rotatable independently one from the other (Figs. 4 and 5).
  • the first section of hauling cable 6A is wound on the first pair of pulleys 11a and 12a; in a similar manner, at the point where the branch 6c is joined with the branch 6d, the second section of hauling cable 6B is wound on the second pair of pulleys 11b and 12b.
  • Figs. 1 and 2 at the station 2 there is a pair of driving pulleys 7 and 8 that are normally driven in an integral manner by the same driving shaft not shown, on which the branches 6a and 6b, respectively, of the hauling cable 6 are wound.
  • driving pulleys 7 and 8 that are normally driven in an integral manner by the same driving shaft not shown, on which the branches 6a and 6b, respectively, of the hauling cable 6 are wound.
  • driven pulleys 9 and 10 at the station 3, on which the branches 6c and 6d, respectively, of the hauling cable 6 are wound.
  • the branches 6e and 6f of the hauling cable 6 extend from the exit of the driving pulleys 7 and 8 of the station 2 to the entry to the driven pulleys 9 and 10 of the station 3, in a direction parallel to the carrying cables 1, to connect the branch 6a of the section of hauling cable 6A to the branch 6c of the section of hauling cable 6B and the branch 6b of the section of hauling cable 6A to the branch 6d of the section of hauling cable 6B.
  • the two driving pulleys 7 and 8, that as has been said are normally integral, can be disconnected so that they can rotate independently one from the other, so that the hauling cable 6 can be made to slide along; this is made possible by the fact that, as has been said, the pulleys 11a and 12a on the carriage 5 of the car 4 can rotate in a manner independent from pulleys 11b and 12b, respectively. In this way, it is possible to vary the points of winding of the hauling cable 6 on the pulleys 11 and 12, at which points of winding the stress on the hauling cable 6 is at its maximum; it is thus possible to ensure a uniform wear of the hauling cable.
  • a driving system for a cableway installation with two pathways.
  • the installation comprises two pairs of carrying cables 1 and 1', one pair for each pathway, extending between two stations 2 and 3.
  • the carrying cables of each pair 1 or 1' are parallel to each other, and are located at a reciprocal distance greater than the width of a respective car 4 or 4'.
  • the cars 4 and 4' have a respective supporting carriage 5 (Fig. 3) slidably moving on the pair of carrying cables 1 or 1' through the idle pulleys 50.
  • the first hauling cable 60 comprises a first pair of parallel branches 60a and 60b that extend from the station 2 to the car 4 and define a first section of hauling cable 60A for a first pathway, and a second pair of parallel branches 60c and 60d that extend from the station 2 to the car 4' and define a first section of hauling cable 60B for a second pathway.
  • the second hauling cable 60' comprises in turn a first pair of parallel braches 60a' and 60b' that extend from the station 3 to the car 4 and define a second section of hauling cable 60A' for the first pathway, and a second pair of parallel branches 60c' and 60d' that extend from the station 3 to the car 4' and define a second section of hauling cable 60B' for the second pathway.
  • the reciprocal distance between the parallel branches 60a, 60b; 60c, 60d; 60a', 60b'; 60c', 60d' is greater than the width of the cars 4 and 4'; thus, neither the carrying cables, nor the hauling cables lie within the paths of longitudinal oscillation of the cars.
  • the hauling cable 60 is wound on the first pair of pulleys 11a and 12a of the car 4, and in a similar manner, at the point where the branches 60c and 60d are joined, the cable 60 is wound on the first pair of pulleys 11a and 12a of the car 4'.
  • the hauling cable 60' is in turn wound, at the point where the branches 60a' and 60b' are joined, on the second pair of pulleys 11b and 12b of the car 4, and, at the point where the branches 60c' and 60d' are joined, on the second pair of pulleys 11b and 12b of the car 4'.
  • the twin driving pulley 13 comprises two coaxial pulleys 13a and 13b made integral by a pair of tie rods 18.
  • the pulley 13 is coupled, by means of a toothed joint 19, to a driving shaft 20; the rotary motion of the driving shaft 20 is thus transmitted to the pulley 13a, and this in turn transmits it to the pulley 13b.
  • the single twin driving pulley 13 could be replaced by a pair of separate driving pulleys.
  • the twin driven pulleys 14 and 15 each comprise, in a manner altogether similar to the pulleys 11 and 12 on the cars 4 and 4', two superimposed coaxial pulleys freely rotatable one with the other.
  • the branch 60a of the hauling cable 60 is wound on the driven pulley 16 and on the lower pulley of the twin driven pulley 14, and the branch 60d is wound on the driven pulley 17 and on the lower pulley of the twin driven pulley 15; at the point where the branches 60a and 60d are joined, the hauling cable 60 is wound on the pulley 13a of the twin driving pulley 13.
  • the branch 60b of the hauling cable 60 is wound on the upper pulley of the twin driven pulley 14, and the branch 60c is wound on the upper pulley of the twin driven pulley 15; at the point where the two branches 60b and 60c are joined, the hauling cable 60 is wound on the pulley 13b of the twin driving pulley 13.
  • the twin driven pulley 26 comprises two coaxial superimposed pulleys 26a and 26b rotatable independently one from the other on a shaft 27.
  • the twin driven pulley 26 can also be displaced along a direction parallel to the direction of the carrying cables to ensure a constant degree of tension of the hauling cables 60 and 60'; the twin driven pulley 26 is thus a tensioning pulley.
  • the twin driven pulley 26 can be fixed, and the twin driving pulley 13 can be displaced in the direction of the carrying cables, or both the twin driven pulley 26 and the twin driving pulley 13 can be displaced in the direction of the carrying cables.
  • the branch 60a' of the hauling cable 60' is wound on the driven pulley 23 and on the lower pulley of the twin driven pulley 24, and the branch 60d is wound on the driven pulley 22 and on the lower pulley of the twin driven pulley 25; at the point where the two branches 60a' and 60d' are joined, the hauling cable 60' is wound on the pulley 26a of the twin tensioning pulley 26.
  • the branch 60b' of the hauling cable 60' is wound on the upper pulley of the twin driven pulley 24, and the branch 60c' is wound on the upper pulley of the twin driven pulley 25; at the point where the branches 60b' and 60c' are joined, the hauling cable 60' is wound on the pulley 26b of the twin tensioning pulley 13.
  • the rotation in the anti-clockwise direction of the twin driving pulley 13 determines the sliding action of the two hauling cables 60 and 60' in the direction indicated by the arrows in Fig. 6; the car 4 slides along the pair of carrying cables 1 towards the station 3, while the car 4' slides along the carrying cables 1' toward the station 2.
  • the rotation in a clockwise direction of the twin driving pulley 13 determines on the other hand the sliding action of the hauling cables 60 and 60' in the direction indicated in Fig. 7; the car 4 then slides along the pair of carrying cables 1 towards the station 2, while the car 4' slides along the carrying cables 1' toward the station 3.
  • the pulleys 11a and 12a of the first pair of pulleys on the cars 4 and 4' rotate on their respective axis of rotation, allowing a relative sliding action of the branches of the hauling cable 60 in order to compensate that difference in the sliding speeds; in this way the application of a twisting moment to the cars 4 and 4' is avoided.
  • the two pulleys 13a and 13b of the twin driving pulley 13 are normally made integral by the two tie rods 18, and rotate simultaneously. If the tie rods 18 are removed it is possible to disconnect the two pulleys 13a and 13b, making the pulley 13b independently rotatable with respect to the pulley 13a; it is thus possible to have the hauling cable 60 slip along so as to ensure its uniform wear.
  • the slippage of the hauling cable 60' is, on the other hand, always possible, since the two pulleys 26a and 26b of the twin pulley 26 are normally independently rotatable from one another.
  • the driving system according to the present invention is suitable for installations wherein a braking system of the cars on the carrying cables is provided for or otherwise.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Flexible Shafts (AREA)
  • Communication Cables (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Handcart (AREA)
  • Tents Or Canopies (AREA)
  • Ropes Or Cables (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Road Paving Structures (AREA)
EP95201878A 1994-07-14 1995-07-08 Driving system for cableway installations of the type including carrying cables and hauling cables Expired - Lifetime EP0692418B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBZ940042 1994-07-14
IT94BZ000042A IT1276268B1 (it) 1994-07-14 1994-07-14 Sistema di movimentazione per impianti funiviari a due o rispettivamente una via di corsa e presentante funi portanti o funi

Publications (2)

Publication Number Publication Date
EP0692418A1 EP0692418A1 (en) 1996-01-17
EP0692418B1 true EP0692418B1 (en) 1999-11-24

Family

ID=11346659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95201878A Expired - Lifetime EP0692418B1 (en) 1994-07-14 1995-07-08 Driving system for cableway installations of the type including carrying cables and hauling cables

Country Status (5)

Country Link
EP (1) EP0692418B1 (it)
AT (1) ATE186879T1 (it)
DE (1) DE69513452T2 (it)
ES (1) ES2139830T3 (it)
IT (1) IT1276268B1 (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2075172A1 (en) 2007-12-28 2009-07-01 Rolic Invest Sarl Cableway system with supporting cables and a separate haulage cable
EP2881300A1 (de) 2013-12-06 2015-06-10 Bartholet Maschinenbau AG Seilschwebebahn
WO2016034697A1 (fr) 2014-09-04 2016-03-10 Agence Nationale Pour La Gestion Des Déchets Radioactifs Funiculaire entraîné par un câble a deux tronçons tracteurs et procédé de commande d'un tel funiculaire

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO318380B1 (no) * 2000-10-11 2005-03-14 Aak As Vaiervogn og foringsvaiersystem samt fremgangsmate for bruk av vaiervogn
ITBZ20030005A1 (it) 2003-01-30 2004-07-31 High Technology Invest Bv Dispositivo pressore per la conduzione di fune in sistemi di trasporto a trazione di fune.
AT505099B1 (de) * 2003-07-17 2009-03-15 Innova Patent Gmbh Seilbahnanlage
ITBZ20050051A1 (it) 2005-09-29 2007-03-30 High Technology Invest Bv Dispositivo antiscarrucolamento per funi di impianti funiviari.
ITMI20070835A1 (it) 2007-04-20 2008-10-21 Rolic Invest Sarl Impianto di trasporto a fune e metodo di azionamento dello stesso
ITMI20070157U1 (it) 2007-04-20 2008-10-21 Rolic Invest Sarl Seggiovia
ITMI20071618A1 (it) 2007-08-03 2009-02-04 Rolic Invest Sarl Impianto di trasporto a fune e metodo di azionamento dello stesso
ITMI20072071A1 (it) 2007-10-26 2009-04-27 Rolic Invest Sarl Impianto di trasporto a fune e metodo di azionamento dello stesso
IT1393287B1 (it) * 2009-03-06 2012-04-12 Oberhuber Carrello funiviario a funi traenti, veicolo funiviario e impianto funiviario.
IT1395098B1 (it) 2009-07-09 2012-09-05 Rolic Invest Sarl Unita' di trasporto per impianti di trasporto a fune
IT1395737B1 (it) 2009-08-04 2012-10-19 Rolic Invest Sarl Dispostivo di richiamo di un sedile per skilift
IT1401120B1 (it) 2010-07-14 2013-07-12 Rolic Invest Sarl Scambio per impianto di trasporto a fune e impianto di trasporto a fune comprendente tale scambio.
FR3025476B1 (fr) * 2014-09-04 2017-12-15 Agence Nat Pour La Gestion Des Dechets Radioactifs Funiculaire entraine par un cable a deux troncons tracteurs et procede de commande d'un tel funiculaire
CN113800208A (zh) * 2020-06-11 2021-12-17 上海城建建设实业集团新型建筑材料有限公司 一种地下室混凝土预制构件转移运输装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2510671A1 (de) * 1975-03-12 1976-09-23 Bayerische Zugspitzbahn Ag Zug- und gegenseilbefestigung an einem seilbahnfahrzeug
DE3109944C2 (de) * 1981-03-14 1984-02-02 PHB Weserhütte AG, 5000 Köln Kuppelbare Umlauf-Drahtseilbahn zur Beförderung von Material, wie Schüttgut
FR2604675B1 (fr) * 1986-10-02 1988-12-30 Pomagalski Sa Installation de transport aerien a deux cables porteurs-tracteurs a poulies decalees
FR2612144B1 (fr) * 1987-03-11 1991-09-06 Pomagalski Sa Installation de transport aerien a deux cables porteurs-tracteurs a poulies decalees verticalement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2075172A1 (en) 2007-12-28 2009-07-01 Rolic Invest Sarl Cableway system with supporting cables and a separate haulage cable
EP2881300A1 (de) 2013-12-06 2015-06-10 Bartholet Maschinenbau AG Seilschwebebahn
WO2016034697A1 (fr) 2014-09-04 2016-03-10 Agence Nationale Pour La Gestion Des Déchets Radioactifs Funiculaire entraîné par un câble a deux tronçons tracteurs et procédé de commande d'un tel funiculaire

Also Published As

Publication number Publication date
EP0692418A1 (en) 1996-01-17
ITBZ940042A0 (it) 1994-07-14
ITBZ940042A1 (it) 1996-01-14
DE69513452D1 (de) 1999-12-30
ATE186879T1 (de) 1999-12-15
DE69513452T2 (de) 2000-04-13
ES2139830T3 (es) 2000-02-16
IT1276268B1 (it) 1997-10-28

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