EP0461954A1 - Taktgeber für eine kuppelbare Seilschwebebahn - Google Patents

Taktgeber für eine kuppelbare Seilschwebebahn Download PDF

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Publication number
EP0461954A1
EP0461954A1 EP91401448A EP91401448A EP0461954A1 EP 0461954 A1 EP0461954 A1 EP 0461954A1 EP 91401448 A EP91401448 A EP 91401448A EP 91401448 A EP91401448 A EP 91401448A EP 0461954 A1 EP0461954 A1 EP 0461954A1
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EP
European Patent Office
Prior art keywords
cabins
automaton
cable
cabin
signal
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
EP91401448A
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English (en)
French (fr)
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EP0461954B1 (de
Inventor
Serge Tarassoff
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.)
Poma SA
Original Assignee
Pomagalski 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 Pomagalski SA filed Critical Pomagalski SA
Publication of EP0461954A1 publication Critical patent/EP0461954A1/de
Application granted granted Critical
Publication of EP0461954B1 publication Critical patent/EP0461954B1/de
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
    • B61B12/10—Cable traction drives
    • B61B12/105—Acceleration devices or deceleration devices other than braking devices
    • 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
    • B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
    • B61B12/022—Vehicle receiving and dispatching devices

Definitions

  • the invention relates to an overhead traveling cable transport installation, to which are disengaged clamps for loads, in particular cabins or seats, staggered along the line, the cabins being uncoupled from the cable at the entrance.
  • French Patent No. 2539369 describes a timing device of the kind mentioned which maintains regular spacing from the cabins to the seats, hereinafter called cabins, throughout the day.
  • This device works perfectly to compensate for an accidental shift of a cabin, due inter alia to a drive incident or to local braking, but it poses certain problems during variations affecting the entire installation, for example when the cylinders or the tension counterweights of these installations lengthen or shorten the useful length of the cable and therefore the travel time of the cabins, which must all be repositioned correctly.
  • the adjustment margin is fixed according to these general variations and of course the risks of individual shift, and it quickly becomes significant and incompatible with high flow rates implying minimum spacings of the cabins.
  • the present invention aims to improve the aforementioned timer in order to reduce its interventions and allow the realization of high-speed installation without risk of collision between vehicles when they stop.
  • the installation according to the invention is characterized in that it comprises a device for detecting an identical offset of several successive cabins and that said detection device triggers, during several successive identical offsets, a corresponding adjustment and a reshaping of said signal with cabin traffic.
  • the timer checks if the arrival of a cabin, for example at the entrance to the timer section, coincides with the periodic signal and in case of deviation determines whether this deviation is general or individual, by comparing it to the deviations of previous booths , especially the three or four previous cabins. If the differences are all the same, they are attributed to a phase difference between the periodic signal and the passage of the cabins, and the timer reposition the periodic signal by a corresponding value to again match the signal and the arrival of the cabins. This avoids a systematic intervention of the timer for all the following cabins, the interventions being limited to an individual shift. The timing range of the timer is thus quickly restored and it becomes independent of general fluctuations.
  • the general adjustment avoids an intervention of the timer at each passage of the cabin, which constitutes an appreciable advantage.
  • the device can however, according to the invention, be improved in order to reduce the interventions of the timer.
  • the frequency of the periodic signal determines the spacing of the cabins and this frequency is chosen as a function of the length of the path of the cabins, in order to regularly space the cabins throughout the course. In other words, the signal period must be a fraction of the time cabin route.
  • the frequency of the periodic signal requires, in the evening when the installation is stopped, a regular distribution of the seats.
  • the cable exposed to a drop in temperature, shrinks and the spacing of the seats decreases.
  • the signal frequency is that of the previous day, but it no longer corresponds to the spacing of the seats.
  • the first seat will arrive slightly offset in advance, the second with a double offset and so on, the advances gradually accumulating.
  • the automaton detects this drift and from a predetermined threshold controls an adaptation of the frequency of the signal to the new length of the line.
  • This inequality between the frequency of the periodic signal and the length of the line can of course result from other factors, in particular from the intervention of the cable tension system and the detection can be carried out in a different way, either directly by a measurement of the variation in the length of the journey, either indirectly by a measurement of the variation in the travel time or of the corresponding offset between the signal and the cabins.
  • the invention can be applied to different types of timers, the mode of implementation having to be adapted to the type of timer used.
  • a timer according to the aforementioned French patent having a timer section equipped with two drive means, one with a latch chain synchronized with the cable and the other with pneumatic wheels, the periodic signal is given by the passage of the cleats and a shift with the passage of the cabins results in a faster or slower catch-up depending on whether the cabins are late or early.
  • By detecting the catch-up point by any operating means it is easy to detect a phase shift, when two or more successive cabins are all caught up in the same offset location. The re-phasing is then obtained by slightly shifting the lug chain relative to the cable.
  • the clocking section is equipped with a wheel set with pneumatic drive by friction of the cabs, and this train of wheels can be driven at two different speeds. In normal operation, it operates at a first speed, for example slow, during the first half of the course of a cabin on the section and thereafter at high speed. In the case of a cabin delay, the transition to high speed occurs before half the route so as to catch up with the delay and vice versa.
  • the clocking means in this case the speed changer, is advantageously controlled by an automaton, which can be that of the installation or by any other electronic processor.
  • the automaton receives on the one hand a periodic signal synchronized with the cable, for example emitted by one or more marks carried by the cable return wheel, and on the other hand a signal for passage of the cabins, for example input a cabin on the timing section.
  • a periodic signal synchronized with the cable
  • the automaton does not trigger a repositioning.
  • the change in drive speed occurs halfway through the course of the timing section. Any discrepancy between the two signals is detected by the comparator of the automaton, which generates the speed change sooner or later, respectively to catch up with the delay or compensate for an advance and correctly reposition the cabin.
  • the difference between the two signals is memorized and the number of successive identical deviations is counted by the PLC.
  • the automaton sends a phase shift order of the periodic signal, in particular a time delay or a time advance, to compensate for the difference observed.
  • the frequency of the periodic signal determines the cadence of the cabins and this signal can be provided by the PLC clock if the cable speed is well established.
  • the passage signals from the cabs translate the distance between the cabs and the automaton measures the gap between two successive signals and generates an alarm signal or stop of the installation when this difference is less than a displayed threshold, which corresponds to a risk of collision between the cabins, possibly after the correction that can be made by the timer. Any dangerous situation is thus avoided while maintaining a minimum distance between the cabins and thus a maximum flow of the installation.
  • the timing section may include a drive means derived from the cable or an individual motor and a gearbox, with two or more speeds, controlled by the automaton to reposition the cabins.
  • the drive can also be at constant speed, but adjustable by the automaton to vary the travel time of the timing section as a function of the delay or the advance observed.
  • the installation may include pneumatic wheels staggered over the entire length of the station transfer rail and the timing section is made up of some of these wheels having a particular drive means and preferably arranged on the contour of the rail.
  • Figure 1 corresponds to that of French patent application No. 9005309, filed by the applicant on 24.04.90 and entitled "Voltage end station of a teleporter.
  • the reader can refer to this request for a detailed description the structure and operation of such a detachable chairlift or gondola, which are moreover well known to specialists.
  • the invention is described as being applied to a teletabine, but it is applicable to any other overhead cable installation with detachable vehicles, in particular to a detachable chairlift
  • an overhead cable 10 of a gondola extends between two end stations, passing through the stations on end pulleys 11, one of which drives the cable continuously.
  • the gondola shown is of the single cable type, having cabins (not shown) coupled to the cable in line. At the entrance 12 to the station, the cabins are uncoupled from the cable 10 and run on a transfer rail 13 at reduced speed allowing passengers to disembark and embark. At the exit 14 of the station, the cabin is re-coupled to the cable 10 after being accelerated by a launching device. Only one of the stations is shown in fig. 1, the other possibly being identical.
  • the deceleration of the cabin, uncoupled from the cable 10 at the entrance 12 to the station, is carried out by a train of rollers or pneumatic wheels 15 frictionally engaging the cabin support carriage.
  • Such wheels 15 are arranged along the transfer rail 13 to propel the cabin at low speed on the rail 13 along the landing and boarding platforms.
  • the wheels 15 accelerate the cabin at the speed of the cable 10.
  • the wheels 15 are driven by systems of pulleys and transmission belts by one or more motors, the motive force can also be derived from the cable or be taken from the return pulley 11.
  • the rail 13 in the form half-loop bypasses the return pulley 11 from the rear and the pulley assembly 11, rail 13 is carried by a carriage 16 for tensioning the cable 10.
  • a timing section 17, equipped with four pneumatic wheels 18, is arranged in the contour area of the transfer rail 13.
  • a motor 19 / or any other means drives these four wheels 18 in rotation at the same speed, adjustable, by the 'through a set of pulleys 21 and belts 22 and a gearbox 20, for example two-speed, which is controlled by an electronic processor, in particular a PLC 23, which can perform other functions, in particular control and monitoring of the entire installation.
  • the automaton 23 receives a pass signal, supplied by a detector 24, arranged at the entrance to the timing section and supplying a pulse 25 at each pass of a cabin. It also receives a periodic clock signal, emitted by a detector 26 cooperating with the return pulley 11 and emitting pulses 27 synchronized with the movement of the cable 10.
  • One of the outputs of the controller 23 is connected to the box 20 and controls the speed change of the wheels 18 of the timing section 17.
  • the other output of the machine 23 is connected to an alarm 28 or preferably to a device for stopping the installation.
  • the clock according to the invention operates in the following manner:
  • the cabin entering the station is uncoupled from the cable 10 and it rolls on the transfer rail 13 being propelled by the pneumatic wheels 15.
  • the first wheels 15 decelerate the cabin, while the following move it on the platform before reach detector 24, located at the entrance to the timer section. If the cabin is correctly positioned, the automaton 23 simultaneously receives the passage pulse 25 and the clock pulse, the latter corresponding to that emitted by the detector 26 or being derived from that emitted by the detector 26 to correspond to the chosen spacing of cabins.
  • the machine 23 controls the gearbox 20 so as to drive the four wheels 18 at low speed V1 during the journey under the first two wheels 18 and at high speed V2 during the journey under the last two wheels 18.
  • One of the speeds V1 or V2 is advantageously equal to the propulsion speed on the other parts of the rail 13.
  • the automaton 23 sees no deviation and therefore does not issue an order for re-phasing or insufficient spacing.
  • the cabin is propelled by the wheels 15 towards the exit of the station where it is re-accelerated and coupled to the cable 10.
  • the passage pulse 25a emitted by the detector 24, is ahead of the corresponding clock pulse 27a and the automaton 23 detects this deviation dt1. It controls the change of speed later so as to drive the car at slow speed V 1a for a longer time than the fast speed V 2a and reposition the car correctly at the exit of the timing section 17.
  • the controller 23 does not detect that a difference, likely to be corrected by the timer and it therefore does not stop the installation or phase shift of the periodic signal.
  • the cabin would remain in advance and the automaton checks, for example by comparison with the pulse 25 from the previous cabin, if there is a risk of collision on the curved part of the rail and eventually stops the installation.
  • the clock signal 27b is ahead of the passage pulse 25b by a time dt2 and the automaton 23 controls a movement of the cabin at high speed V2 over most of it of the timing section 17.
  • the cabin can keep a certain uncompensated delay and the risk of collision then exists with the next cabin.
  • the automaton evaluates this risk when this next cabin arrives and stops the installation if necessary.
  • a cabin is ahead and the passage pulse 25a is offset by dt1 with respect to the clock pulse 27a.
  • the automaton 23 controls the timing section 17 in the manner described above to reposition the cabin.
  • the next cabin is also ahead of dt1 and is also repositioned.
  • the automaton 23 again detects this difference dt1 and then triggers a phase shift in advance of dt1 of the periodic signal 27 in order to make the phase-shifted signal, shown in broken lines, coincide with the signal and avoid the intervention of the timer section 17.
  • All the other cabs, also ahead of dt1 are now in phase with the new clock signal and do not require the intervention of the timer, whose setting margin remains available for individual deviations.
  • the spacing of the 3rd cabin with the previous cabin is smaller, but it remains under the control of the PLC 23, which stops the installation in the event of danger. Next time all the cabins are again correctly positioned and the intervention of the timer only concerned two cabins.
  • gearbox 20 can have more than two different speeds in order to reduce sudden speed variations, but the program of the controller 23 is then more elaborate. It is also possible to use a variable speed motor 19, controlled by the automaton, which can either select an appropriate speed, kept constant during the travel of the timing section 17, or vary the speed at mid- journeyney as described above. above.
  • the drive on the transfer rail 13 and / or on the timing section 17 can be carried out differently, in particular by cleat chains or any other means.
  • the spacing between the cabins is adjustable by simply changing the frequency of the clock signal, which can be displayed and / or entered in the automaton 23. This clock signal can be established by any other appropriate means.
  • the automaton 23 is also arranged to trigger a variation in the frequency of the signal when this frequency no longer corresponds to regular spacing of the cabins along the line.
  • the frequency offset can be detected, when the installation is restarted, by the regular progressive sliding of the difference between the signal and the passage of the cabins, so as to correct this frequency when the sliding exceeds a predetermined threshold.
  • the frequency variation can also be triggered when, in normal operation, the length or duration of the journey is no longer a multiple of the signal frequency.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Body Structure For Vehicles (AREA)
  • Elevator Control (AREA)
  • Toys (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP91401448A 1990-06-13 1991-06-03 Taktgeber für eine kuppelbare Seilschwebebahn Expired - Lifetime EP0461954B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9007598 1990-06-13
FR9007598A FR2663281A1 (fr) 1990-06-13 1990-06-13 Dispositif cadenceur d'un teleporteur debrayable.

Publications (2)

Publication Number Publication Date
EP0461954A1 true EP0461954A1 (de) 1991-12-18
EP0461954B1 EP0461954B1 (de) 1994-08-31

Family

ID=9397734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91401448A Expired - Lifetime EP0461954B1 (de) 1990-06-13 1991-06-03 Taktgeber für eine kuppelbare Seilschwebebahn

Country Status (7)

Country Link
US (1) US5105745A (de)
EP (1) EP0461954B1 (de)
JP (1) JP3209759B2 (de)
AT (1) ATE110657T1 (de)
CA (1) CA2033801C (de)
ES (1) ES2063461T3 (de)
FR (1) FR2663281A1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0671304A1 (de) * 1994-03-11 1995-09-13 Garaventa Holding Ag Umfahrung für die Fahrzeuge einer Umlaufseilbahn
FR2725947A1 (fr) * 1994-10-19 1996-04-26 Halec Sa Dispositif d'arret a longueur ou de reperage pour permettre l'installation a intervalles constants de vehicules sur une boucle de cable
FR2899549A1 (fr) * 2006-04-10 2007-10-12 Pomagalski Sa Installation de transport a cable aerien vehiculant des sieges et des cabines
FR2900118A1 (fr) * 2006-04-25 2007-10-26 Pomagalski Sa Procede de controle d'une installation de transport a cable comportant un troncon cadenceur, et installation pour la mise en oeuvre du procede
EP2014533A1 (de) 2007-07-10 2009-01-14 Pomagalski Seilbahnanlage mit einer Überführungsstrecke, die mit einem Drehmomentmotor ausgestattet ist
FR2941206A1 (fr) * 2009-01-22 2010-07-23 Pomagalski Sa Procede de controle du cheminement de vehicule dans une installation de transport par cable
EP2551164A2 (de) 2011-07-27 2013-01-30 Bartholet Maschinenbau AG Stationsgaragierung
AT522187A1 (de) * 2019-03-11 2020-09-15 Innova Patent Gmbh Durchfahrtserkennung für eine Seilbahn
WO2021250132A1 (fr) * 2020-06-10 2021-12-16 Poma Procédé et dispositif de contrôle d'une installation de transport par câble et installation comprenant un tel dispositif de contrôle

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2740417B1 (fr) * 1995-10-25 1998-01-02 Pomagalski Sa Teleporteur debrayable a module de prise de mouvement
FR2771986B1 (fr) * 1997-12-10 2000-01-21 Pomagalski Sa Procede de stockage et destockage de cabines dans les gares d'une installation de transport a cable aerien
FR2817819B1 (fr) * 2000-12-13 2005-01-28 Pomagalski Sa Dispositif et procede pour synchroniser la vitesse de defilement de plusieurs cables
AT500458B1 (de) * 2005-09-27 2007-05-15 Avl List Gmbh Brennkraftmaschine, insbesondere otto-brennkraftmaschine
FR2899191B1 (fr) * 2006-04-04 2008-05-30 Denis Creissels Consultant Sar Installation de telecabines automatiques
CN102316947A (zh) * 2009-02-12 2012-01-11 W·J·基钦 悬索式游乐设施

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114129A1 (de) * 1983-01-17 1984-07-25 Pomagalski S.A. Vorrichtung zum Regulieren des Abstands von schaltbaren Seilbahnkabinen oder Sesselliften
EP0179708A1 (de) * 1984-10-15 1986-04-30 Pomagalski S.A. Seilbahn in verschiedenen Abschnitten
EP0355084A1 (de) * 1988-08-18 1990-02-21 KONRAD DOPPELMAYR & SOHN MASCHINENFABRIK GESELLSCHAFT M.B.H. & CO. KG. Seilbahnanlage mit in der Talstation und in der Bergstation befindlichen Umlenkscheiben

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744306A (en) * 1985-04-12 1988-05-17 Kunczynski Jan K Conveyor system and method of operation for an aerial tramway or the like
CH672765A5 (de) * 1986-12-18 1989-12-29 Von Roll Transportsysteme

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114129A1 (de) * 1983-01-17 1984-07-25 Pomagalski S.A. Vorrichtung zum Regulieren des Abstands von schaltbaren Seilbahnkabinen oder Sesselliften
EP0179708A1 (de) * 1984-10-15 1986-04-30 Pomagalski S.A. Seilbahn in verschiedenen Abschnitten
EP0355084A1 (de) * 1988-08-18 1990-02-21 KONRAD DOPPELMAYR & SOHN MASCHINENFABRIK GESELLSCHAFT M.B.H. & CO. KG. Seilbahnanlage mit in der Talstation und in der Bergstation befindlichen Umlenkscheiben

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0671304A1 (de) * 1994-03-11 1995-09-13 Garaventa Holding Ag Umfahrung für die Fahrzeuge einer Umlaufseilbahn
US5575215A (en) * 1994-03-11 1996-11-19 Garaventa Holding Ag Bypass for the cars of a circuit cable railway system
FR2725947A1 (fr) * 1994-10-19 1996-04-26 Halec Sa Dispositif d'arret a longueur ou de reperage pour permettre l'installation a intervalles constants de vehicules sur une boucle de cable
FR2899549A1 (fr) * 2006-04-10 2007-10-12 Pomagalski Sa Installation de transport a cable aerien vehiculant des sieges et des cabines
EP1845004A1 (de) * 2006-04-10 2007-10-17 Pomagalski S.A. Einrichtung zum Transport von Sitzen und Kabinen einer Seilschwebebahn
US7559281B2 (en) 2006-04-10 2009-07-14 Pomagalski Sa Transport installation with aerial rope conveying chairs and gondola cars
FR2900118A1 (fr) * 2006-04-25 2007-10-26 Pomagalski Sa Procede de controle d'une installation de transport a cable comportant un troncon cadenceur, et installation pour la mise en oeuvre du procede
EP1849675A1 (de) * 2006-04-25 2007-10-31 Pomagalski S.A. Verfahren zur Kontrolle einer Seilbahn mit einem Abschnitt zum Regulieren des Abstandes und Vorrichtung zur Durchführung dieses Verfahrens
FR2918628A1 (fr) * 2007-07-10 2009-01-16 Pomagalski Sa Installation de transport par cable aerien comportant un circuit de transfert des vehicules muni d'un moteur-couple
EP2014533A1 (de) 2007-07-10 2009-01-14 Pomagalski Seilbahnanlage mit einer Überführungsstrecke, die mit einem Drehmomentmotor ausgestattet ist
US7891301B2 (en) 2007-07-10 2011-02-22 Pomagalski Sa. Transport installation by aerial rope comprising a vehicle transfer circuit equipped with a torque motor
FR2941206A1 (fr) * 2009-01-22 2010-07-23 Pomagalski Sa Procede de controle du cheminement de vehicule dans une installation de transport par cable
WO2010084271A1 (fr) * 2009-01-22 2010-07-29 Pomagalski Procede de controle du cheminement de vehicule dans une installation de transport par cable
EP2551164A2 (de) 2011-07-27 2013-01-30 Bartholet Maschinenbau AG Stationsgaragierung
AT522187A1 (de) * 2019-03-11 2020-09-15 Innova Patent Gmbh Durchfahrtserkennung für eine Seilbahn
AT522187B1 (de) * 2019-03-11 2020-10-15 Innova Patent Gmbh Durchfahrtserkennung für eine Seilbahn
WO2021250132A1 (fr) * 2020-06-10 2021-12-16 Poma Procédé et dispositif de contrôle d'une installation de transport par câble et installation comprenant un tel dispositif de contrôle
FR3111315A1 (fr) * 2020-06-10 2021-12-17 Poma Procédé et dispositif de contrôle d’une installation de transport par câble et installation comprenant un tel dispositif de contrôle

Also Published As

Publication number Publication date
ES2063461T3 (es) 1995-01-01
FR2663281A1 (fr) 1991-12-20
ATE110657T1 (de) 1994-09-15
CA2033801A1 (en) 1991-12-14
JPH04232173A (ja) 1992-08-20
EP0461954B1 (de) 1994-08-31
US5105745A (en) 1992-04-21
JP3209759B2 (ja) 2001-09-17
CA2033801C (en) 2001-05-08

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