EP0573344A1 - Transportsystem mit kabelgezogenen Schienenfahrzeugen - Google Patents

Transportsystem mit kabelgezogenen Schienenfahrzeugen Download PDF

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Publication number
EP0573344A1
EP0573344A1 EP93401385A EP93401385A EP0573344A1 EP 0573344 A1 EP0573344 A1 EP 0573344A1 EP 93401385 A EP93401385 A EP 93401385A EP 93401385 A EP93401385 A EP 93401385A EP 0573344 A1 EP0573344 A1 EP 0573344A1
Authority
EP
European Patent Office
Prior art keywords
cable
vehicle
vehicles
clamp
speed
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.)
Withdrawn
Application number
EP93401385A
Other languages
English (en)
French (fr)
Inventor
Yann De Kermadec
Yvan Roure
Jean-Yves Vourc'h
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.)
Soule SA
Original Assignee
Soule SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Soule SA filed Critical Soule SA
Publication of EP0573344A1 publication Critical patent/EP0573344A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B9/00—Tramway or funicular systems with rigid track and cable traction
    • 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
    • B61B12/125—Cable grippers; Haulage clips for non aerial ropeways, e.g. on or under the ground

Definitions

  • the present invention relates to the field of transport systems comprising vehicles traveling on rails and towed by a cable, between stations, by disengageable clamps.
  • Transport systems of the aforementioned type have given rise to a very abundant literature and extensive research. They have a quality essential. Thanks to short intervals between vehicles (typically 15s to 40s), they practically eliminate the waiting of passengers.
  • document US-A-3871303 proposes to provide each vehicle 20 with at least two clamps of the type shown in the appended FIG. 2, capable of engaging / disengaging respectively on the main drive cable 10 and one secondary drive cables.
  • the clamps of the type shown in FIG. 2 are designed, as for cable cars, to ensure a clamping on the associated cable, with sufficient force to prevent any sliding of the vehicles 20 relative to the cable, at their maximum load.
  • the clamp 50 represented in the appended FIG. 2 comprises two jaws 51, 52, articulated around an axis 54 on a frame 53.
  • the jaws 51, 52 are urged to close on an associated cable 60, as shown in broken dashed lines in Figure 2, by a spring 55 schematically illustrated in this figure.
  • each jaw 51, 52 is equipped with a roller 56, 57 able to roll on a cam on the ground 70, 71.
  • the jaws 51, 52 are moved to the open position when the rollers 56, 57 roll on the cams 70, 71.
  • Variants of clamps have also been proposed comprising a fixed jaw and a single movable jaw urged to close by a spring.
  • the vehicle 20 is disengaged from the cable 60 in the open position of the jaws 51, 52. Conversely, the vehicle is engaged on the cable 60, without the possibility of sliding relative to the latter in the closed position of the jaws 51, 52.
  • This condition can be fulfilled in a transport system with suspended gondolas insofar as these can absorb a speed difference with a drive cable when clutching this cable, by swinging in pendulum motion.
  • progressive clutch are adapted to accept a relative displacement parallel to the cable, between the clamp and the cable at the time of its clutch on the cable, and achieve all or part of the acceleration and deceleration of the vehicle.
  • these progressive clutch pliers have made it possible to overcome the constraint of speed synchronism when clutching vehicles and to eliminate the means of acceleration / deceleration at variable speed such as described for example in document US-A-3871303, replacing them with accelerator / decelerator assemblies driven at constant speed, as described for example in document FR-A-2453064.
  • the applicant has himself carried out installations comprising accelerator / decelerator formed by bands driven at constant speed on which rest wheels carried by vehicles.
  • accelerator / decelerator formed by bands driven at constant speed on which rest wheels carried by vehicles.
  • the progressive clutch clamp has been improved, with two-stage tightening, described in document FR-A-2,591,548.
  • the present invention now aims to provide a new transport system which is both as safe, more comfortable and simpler than the known prior transport systems.
  • each vehicle comprises at least one clamp with progressive clutch with direct friction on an associated cable
  • the accelerator / decelerator means are driven by variable speed means controlled to ensure passenger comfort during the vehicle acceleration / deceleration phases and limit the difference in speed between a vehicle and the associated cable when said progressive clutch clip is engaged thereon .
  • the invention makes it possible to simplify the structure of the clamp and to improve passenger comfort by going back to the approach followed by those skilled in the art for ten years.
  • the comfort of the passengers during the acceleration / deceleration phases of the vehicles and the speed synchronism are ensured by the means to variable speed, the progressive clutch pliers being provided only to guarantee the safety of the passengers in the event of a lack of speed synchronism, which very rarely occurs.
  • the transport system of the present invention complies with the provisions shown in Figure 1 attached. However, it can include any number of terminal stations or intermediaries. Furthermore, it is not limited to straight tracks and can include curved track sections.
  • the vehicles according to the present invention essentially consist of an upper chassis 100 designed to accommodate passengers and a lower chassis 200 which carries at least one structure of progressive clutch pliers and horizontal axis support wheels as well as vertical axis guide rollers in contact with rails.
  • FIGS. 3 and 4 show four wheels 202, 204, 206 and 208 with a horizontal axis which rest on rails 300, 302.
  • rollers 210, 212, 214, 216 of vertical axis which roll on the rail 300, respectively on either side thereof.
  • the upper chassis 100 is suspended from the lower chassis 200 by four tie rods 248, 250 and shock absorbers 102, 104, 106 and 108 visible in FIGS. 6 and 7. Stops 110 and 112 limit the relative longitudinal displacement between the upper chassis 100 and the lower chassis 200. Similarly stops 114, 116, 118 and 120 limit the relative transverse movement between the upper chassis 100 and the lower chassis 200.
  • the lower chassis 200 is provided with at least one progressive clutch pliers. More specifically, preferably, the lower chassis 200 is provided with two progressive clutch pliers 220 and 230 as shown in FIG. 5. These pliers 220 and 230 are accessible under the structure of the lower chassis 200 to cooperate respectively with a cable main drive 10 and a secondary drive cable 80 used to accelerate or decelerate vehicles 20.
  • each clamp 220 and 230 comprises a fixed jaw 222, 232 and a movable jaw 224, 234 articulated on the fixed jaw around a horizontal axis.
  • the movable jaw 224, 234 is biased towards a closed position in which the two jaws 222 and 224, respectively 232 and 234, clamp the cable 10, respectively 80, by control means generating a clamping force compatible with a relative displacement between the clamp and the cable when clutching the cable when there is a significant speed difference between the vehicle and the cable.
  • each movable jaw 224, 234 can be urged to open, in a manner known per se, by a cam on the ground.
  • each movable jaw 224, 234, comprises a roller 226, 236, capable of rolling on said cam.
  • the progressive clutch pliers described in document FR-A-2475485 include braked rollers provided with internal friction lining.
  • the clamps 220, 230 are directly friction on the cable, that is to say that they are provided with jaws which rub on the cables 10, 80 in the event of relative displacement of the clamp / cable.
  • the longitudinal force exerted on the clamp is proportional to the transverse clamping force, the coefficient of proportionality being defined by the coefficient of friction between the jaws of the jaws and cable.
  • the material of the jaws and their shape are provided to limit the wear of the cable and the tolerance of the coefficient of friction.
  • the longitudinal force exerted on the clamp leads to an acceleration which depends on the mass of the vehicle.
  • control means are advantageously adapted to generate a clamping force between the minimum corresponding to an acceleration of the order of 2m / s2 allowing, for example, to overcome a slope of 10%, a frontal wind equivalent to a slope of 8% and the friction forces of the bearings equivalent to a slope of 2%.
  • the maximum allowable clamping force is defined by the maximum acceleration acceptable for passenger safety. This acceleration is typically less than 4m / s2, very advantageously of the order of 2.5m / s2.
  • the clamps are preferably controlled for this purpose by a weighing system sensitive to the mass of the vehicle.
  • rocker legs 130, 132, 134, 136 are each provided with an emergency stop pad 160, 162.
  • Clamps 220, 230, with progressive clutch and direct friction on the cable can be used for tightening the secondary acceleration and deceleration cables and / or for tightening the main drive cable.
  • the progressive clutch clamps in accordance with the present invention have a very simple and space-saving structure, as can be seen for example by examining FIG. 5.
  • the present invention easily allows the implantation, under the lower chassis 200, of two clamps able to cooperate respectively with the main drive cable 10 and the secondary accelerator / decelerator cables 80.
  • the cables 80 used to provide acceleration 40 or deceleration 30 are driven at variable speed.
  • the cable ensuring acceleration is driven between a slow or even zero speed when a vehicle is engaged on this cable and a speed fast equal to the speed of the main drive cable, when the throttle cable is disengaged and the clutch on the main drive cable.
  • the cable ensuring the deceleration is driven between a rapid speed equal to the speed of the main drive cable, when clutching the deceleration cable and disengaging the main drive cable and a slow or even zero speed.
  • the accelerator and decelerator cables 80 In normal operation, the accelerator and decelerator cables 80 fully provide the required variations in vehicle speed 20. The clamps 220 and 230 consequently do not undergo any relative slippage relative to the associated cables. However, in the event of a fault resulting in a difference in speed when clutching a cable, the progressive clutch pliers in accordance with the present invention make it possible to limit the accelerations undergone by the vehicles to values compatible with the safety of the passengers carried. .

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
EP93401385A 1992-06-01 1993-06-01 Transportsystem mit kabelgezogenen Schienenfahrzeugen Withdrawn EP0573344A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9206619 1992-06-01
FR9206619A FR2691692A1 (fr) 1992-06-01 1992-06-01 Système de transport comprenant des véhicules roulant sur des rails et tractés par un câble.

Publications (1)

Publication Number Publication Date
EP0573344A1 true EP0573344A1 (de) 1993-12-08

Family

ID=9430315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93401385A Withdrawn EP0573344A1 (de) 1992-06-01 1993-06-01 Transportsystem mit kabelgezogenen Schienenfahrzeugen

Country Status (2)

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EP (1) EP0573344A1 (de)
FR (1) FR2691692A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687607A1 (de) * 1994-06-16 1995-12-20 LEITNER S.p.A. Seilbahnsystem von Typ Schiene und Zugkabel, insbesondere für öffentlichen Nahverkehr, bei dem die Fahrzeuge eine mobile Klemme zum Ankuppeln an das Zugkabel und zum Abkuppeln davon haben
AT405269B (de) * 1996-05-24 1999-06-25 Waagner Biro Ag Standseilbahn

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3051170B1 (fr) * 2016-05-12 2018-06-15 Poma Installation de transport par cable munie d’un systeme d’assistance a l’acceleration et a la deceleration d’une cabine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018932A1 (de) * 1979-05-08 1980-11-12 CENTRE STEPHANOIS DE RECHERCHES MECANIQUES HYDROMECANIQUE ET FROTTEMENT Société dite: Drahtseilbahn-Transportvorrichtung mit doppeltem Umlaufseil und veränderlicher Geschwindigkeit
FR2591548A1 (fr) * 1985-12-18 1987-06-19 Soule Sa Installation de transport sur voie de guidage comportant une voiture munie de moyens de serrage cooperant avec un cable d'entrainement.
EP0227508A1 (de) * 1985-11-05 1987-07-01 Soule Schienengebundene Transportinstallation mit einer Sicherheitsvorrichtung zur Notbremsung wenigstens eines kabelgezogenen Transportfahrzeugs
EP0461098A1 (de) * 1990-06-06 1991-12-11 KONRAD DOPPELMAYR & SOHN MASCHINENFABRIK GESELLSCHAFT M.B.H. & CO. KG. Anlage zum Transportieren von Personen bzw. Gütern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018932A1 (de) * 1979-05-08 1980-11-12 CENTRE STEPHANOIS DE RECHERCHES MECANIQUES HYDROMECANIQUE ET FROTTEMENT Société dite: Drahtseilbahn-Transportvorrichtung mit doppeltem Umlaufseil und veränderlicher Geschwindigkeit
EP0227508A1 (de) * 1985-11-05 1987-07-01 Soule Schienengebundene Transportinstallation mit einer Sicherheitsvorrichtung zur Notbremsung wenigstens eines kabelgezogenen Transportfahrzeugs
FR2591548A1 (fr) * 1985-12-18 1987-06-19 Soule Sa Installation de transport sur voie de guidage comportant une voiture munie de moyens de serrage cooperant avec un cable d'entrainement.
EP0461098A1 (de) * 1990-06-06 1991-12-11 KONRAD DOPPELMAYR & SOHN MASCHINENFABRIK GESELLSCHAFT M.B.H. & CO. KG. Anlage zum Transportieren von Personen bzw. Gütern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687607A1 (de) * 1994-06-16 1995-12-20 LEITNER S.p.A. Seilbahnsystem von Typ Schiene und Zugkabel, insbesondere für öffentlichen Nahverkehr, bei dem die Fahrzeuge eine mobile Klemme zum Ankuppeln an das Zugkabel und zum Abkuppeln davon haben
US5595122A (en) * 1994-06-16 1997-01-21 Leitner S.P.A. Funicular system of rail and running cable type
AT405269B (de) * 1996-05-24 1999-06-25 Waagner Biro Ag Standseilbahn

Also Published As

Publication number Publication date
FR2691692A1 (fr) 1993-12-03

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