EP0181243A1 - Abkuppelbare Seilschwebebahn mit Elektroantrieb - Google Patents

Abkuppelbare Seilschwebebahn mit Elektroantrieb Download PDF

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Publication number
EP0181243A1
EP0181243A1 EP85401957A EP85401957A EP0181243A1 EP 0181243 A1 EP0181243 A1 EP 0181243A1 EP 85401957 A EP85401957 A EP 85401957A EP 85401957 A EP85401957 A EP 85401957A EP 0181243 A1 EP0181243 A1 EP 0181243A1
Authority
EP
European Patent Office
Prior art keywords
alternator
excitation
speed
installation according
cable
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
EP85401957A
Other languages
English (en)
French (fr)
Other versions
EP0181243B1 (de
Inventor
Jean-Jacques Bertrand
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
Priority to AT85401957T priority Critical patent/ATE39447T1/de
Publication of EP0181243A1 publication Critical patent/EP0181243A1/de
Application granted granted Critical
Publication of EP0181243B1 publication Critical patent/EP0181243B1/de
Expired legal-status Critical Current

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Classifications

    • 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 cable installation, in particular a detachable gondola or chairlift, having a cable extending in an endless loop between two stations, in which it passes over extreme deflection pulleys, one of which is driving, the loads, in particular the cabins or seats, being coupled to the cable in line and uncoupled in the stations to circulate on transfer rails provided with a means of propulsion at a speed proportional to that of the cable.
  • the invention is described below as being applied to a detachable chairlift, but it is clear that it is applicable to other installations such as cable cars, monocable or bicable cableways, etc.
  • the object of the present invention is to provide a simplified installation, in which the synchronization of the movements is perfectly preserved over a wide range of speeds.
  • the transport installation according to the invention is characterized in that said means of propulsion comprises a synchronous electric drive motor, supplied with alternating current by an electric generator, mechanically connected to the extreme pulley of the station by a desmodromic mechanical connection ensuring rotation of the alternator at a speed multiple of that of the pulley.
  • the alternator By coupling the alternator to the return pulley or to a part rigidly integral in rotation with this pulley, the alternator is driven at a speed proportional to that of the cable and it delivers a current whose frequency is proportional to this speed.
  • the synchronous motor powered by this current rotates at a perfectly proportional speed, except during a stall due to 4 u " resistive torque too high which causes the motor to stop and subsequently the installation.
  • the electrical connection between the alternator and the engine can be relatively long and include flexible cables, the same alternator being able to drive several engines, each arranged near the driven members.
  • the alternator can be connected to the extreme pulley by a multiplier gear train, the pulley being either a return pulley or a drive pulley.
  • the alternator is mounted on the pulley support carriage to avoid flexible mechanical transmission.
  • the alternator can be coupled to the high speed shaft of the drive pulley drive reducer, for example by a transmission with V-belts, preventing any slipping.
  • the alternator is provided with additional excitation means, engaged at speeds below a predetermined threshold.
  • additional excitation means comprise, according to a first embodiment, an auxiliary source, such as an accumulator, which supplies a current to an excitation winding of the alternator when the threshold is crossed.
  • the self-excitation of the alternator is increased at low speed, for example by suitable filters and permanent magnets.
  • an overhead cable 10 of a monocable chairlift which could be a gondola or a similar monocable or bi-cable transporter, passes through an end station 12 on a pulley 14 for deflection.
  • the seats 18 are fixed by a hanger 20 to a carriage 22 carrying a clamp 24 for coupling to the cable 10.
  • a spring 26 biases the clamp 24 in the cable clamping position, the opening being controlled by a lever 28 cooperating with a fixed ramp 30.
  • the carriage 22 carries rollers 32 and positioning rollers 34 and a drive plate 36 capable of cooperating with wheels 38 for driving tires.
  • Such a clamp is for example described in French patent application No. 8100432, to which reference will advantageously be made.
  • a transfer rail 40 on which the rollers 32 engage.
  • the lever 28 for controlling the opening of the clamp 24 approaches the ramp 30 to open the clamp 24 and uncoupling the carriage 22 from the cable 10.
  • a slight relative movement of the carriage 22 relative to the cable 10 releases the latter from the clamp 24.
  • the wheels 38 are connected to a motor 16 by a cardan transmission 41 and a reduction gear 43 or by belt transmissions, the first wheels of the train rotating at the speed of the cable 10 to synchronize the movement of the carriage 22, while the wheels 38 following decelerate the carriage 22 uncoupled from the cable 10 and rolling on the rail 40.
  • the rail 40 extends in a half-loop in the station to join the other strand of the cable 10 constituting the other path of the chairlift passing in front of a boarding area 44 if station 12 is a boarding station. It is clear that this station can be a landing station or include both a landing platform and a platform for boarding passengers, especially skiers.
  • the carriage 22 is supported by a chain 46 with cleats 48 for drive or restraint, which extends in a closed loop along the transfer rail 40 to positively drive the carriages 22 at reduced speed. Any other propulsion system for carriages can of course be used.
  • the chain 46 is driven by a motor 50 which could be the motor 16 for driving the wheels 38.
  • the output of the station 12 is similarly equipped with a train of wheels 38 driven by a motor 52, which accelerate the carriage 22 and synchronize its speed with that of the cable 10 before re-coupling by closing the clamp 2 4 on the cable 10.
  • a train of wheels 38 driven by a motor 52, which accelerate the carriage 22 and synchronize its speed with that of the cable 10 before re-coupling by closing the clamp 2 4 on the cable 10.
  • Such chairlifts, with disengageable seats in the stations, are known and allow boarding and disembarking at reduced speed, the cable 10 traveling continuously at high speed.
  • the return pulley 14 is carried by a carriage 56 slidably mounted on the frame 54 of the station to ensure the tension of the cable 10.
  • a toothed wheel 58 is rigidly fixed to the pulley 14 to drive by a pinion 60 and a multiplier 62, for example with gears, an alternator 64 fixed to the carriage 56.
  • the alternator 64 rotates at a speed proportional to that of the cable 10 and delivers a frequency current proportional to this speed.
  • FIG. 4 represents a variant in which the pulley 14 is a drive pulley, driven in rotation by a motor 66 by means of a reduction gear 68.
  • the alternator 64 is coupled to the high speed shaft of the reduction gear 68 by a transmission with V-belts which rotates the alternator at a speed multiple of that of the pulley 14.
  • the current delivered by the alternator 64 is not modified by the drive mode of the alternator, which could 'elsewhere be different.
  • the alternator 64 is connected to the engines 16, 50, 52 by trip-based cables 70, of which only the one supplying the engine 16 is shown in FIG. 5.
  • the three phase windings RST of the alternator 64 connected to the cable 70, also supply the excitation current to an excitation winding 72 of the alternator 6 4 by a circuit 73, comprising a rectifier block 74.
  • the alternator 64 comprises a second excitation winding 76 connected to an accumulator 78 by a circuit 80, into which are inserted a switch 82 with centrifugal control and a regulating block 84.
  • the switch 82 is controlled by the alternator 64 for close automatically when the alternator speed becomes lower than a predetermined threshold speed. (and different from zero).
  • the supply of the second excitation winding 76 makes it possible to increase the excitation at low speed and to maintain the characteristics of the alternator for synchronous supply of the engine 16. This thus avoids stalling during periods of operation at low speed .
  • the centrifugal switch 82 can be controlled in a different way, for example as a function of the characteristics or of the frequency of the current.
  • the alternator 64 comprises a single excitation winding 72, supplied by the rectifier block 74 in the manner described below.
  • a regulator 86 varying the excitation current as a function of the frequency of the current.
  • the regulator 86 can be a filter whose conductance is greater for low frequency currents.
  • the excitation of the alternator automatically varies with its speed to maintain synchronism over a wide speed range.
  • the filter 86 can be replaced by a rheostat controlled by a speed detector or any other equivalent means.
  • FIG. 7 illustrates a preferred embodiment in which the alternator 64 comprises, in addition to the excitation winding 72, a permanent magnet 88 for excitation, the magnetic intensity of which is sufficient for the alternator to deliver a current, even at low speed, sufficient to drive the motor.
  • alternator 64 can supply a single engine, mechanically coupled to all of the friction wheels 38 or other propulsion means 46 and that the mechanical transmissions can be of any type, for example with V-belts.
  • the idler pulley can also drive several alternators, each supplying a synchronous motor.
  • connection by electric cable between the alternator and the engine allows relative movement, in particular of the tension carriage.
  • the electric accumulator can be recharged by the alternator 64 during periods of operation at normal speed or at high speed, making the assembly autonomous.
  • the invention is in no way limited to the mode of implementation more particularly described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Communication Cables (AREA)
  • Insulated Conductors (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP85401957A 1984-10-15 1985-10-08 Abkuppelbare Seilschwebebahn mit Elektroantrieb Expired EP0181243B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85401957T ATE39447T1 (de) 1984-10-15 1985-10-08 Abkuppelbare seilschwebebahn mit elektroantrieb.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8415865 1984-10-15
FR8415865A FR2571674B1 (fr) 1984-10-15 1984-10-15 Telecabine ou telesiege debrayable a transmission electrique

Publications (2)

Publication Number Publication Date
EP0181243A1 true EP0181243A1 (de) 1986-05-14
EP0181243B1 EP0181243B1 (de) 1988-12-28

Family

ID=9308713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401957A Expired EP0181243B1 (de) 1984-10-15 1985-10-08 Abkuppelbare Seilschwebebahn mit Elektroantrieb

Country Status (7)

Country Link
US (1) US4641584A (de)
EP (1) EP0181243B1 (de)
JP (1) JPH0665547B2 (de)
AT (1) ATE39447T1 (de)
CA (1) CA1230572A (de)
DE (1) DE3566991D1 (de)
FR (1) FR2571674B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275403A1 (de) * 1986-12-18 1988-07-27 Von Roll Transportsysteme AG Seilförderanlage
FR2661147A1 (fr) * 1990-04-24 1991-10-25 Pomagalski Sa Station d'extremite de tension d'un teleporteur.
CN105896899A (zh) * 2014-11-30 2016-08-24 李启飞 Y型沟槽凸轮电动调速盘式磁力耦合器
CN106080615A (zh) * 2016-08-03 2016-11-09 安徽明雁齿轮有限公司 大运载机械式货运索道牵引机装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2598373B1 (fr) * 1986-05-06 1988-09-02 Pomagalski Sa Amenagement de voie de transfert et/ou de garage pour une telecabine ou un telesiege debrayable
CH671552A5 (de) * 1986-06-17 1989-09-15 Von Roll Transportsysteme
CA2097204A1 (en) * 1992-06-15 1993-12-16 Paul William Spencer Maintenance monitoring system for detachable ski lift carrier vehicles
FR2918628B1 (fr) * 2007-07-10 2009-08-28 Pomagalski Sa Installation de transport par cable aerien comportant un circuit de transfert des vehicules muni d'un moteur-couple
US8573133B2 (en) * 2009-09-22 2013-11-05 Pomagalski Passenger transport installation comprising independent vehicles travelling on tracks and hauled by cables, and method for transporting passengers
NZ592922A (en) * 2010-08-19 2012-08-31 Innova Patent Gmbh Pivotally mounted rocker carrying supporting roller(s) via which tire wheels are driven
EP3137360B1 (de) * 2014-05-02 2019-01-09 Dimensione Ingenierie S.r.l. Seilbahn mit kontinuierlicher bewegung
AT520445B1 (de) * 2017-10-19 2019-04-15 Innova Patent Gmbh Reifenförderer für Transportmittel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH420242A (fr) * 1964-04-15 1966-09-15 Neyrpic Ateliers Neyret Beylie Dispositif de réception en gare des véhicules de téléphériques
FR2094270A5 (de) * 1970-06-15 1972-02-04 Merlin Gerin
DE2060030A1 (de) * 1970-12-05 1972-06-15 Pohlig Heckel Bleichert Automatisierte Seilbahnstation
FR2416821A2 (fr) * 1977-06-02 1979-09-07 Montagner Rene Perfectionnement aux procedes et installations d'embarquement de passagers sur une structure porteuse mobile suspendue, notamment de remontee mecanique
EP0125967A1 (de) * 1983-05-02 1984-11-21 Pomagalski S.A. Höhenverstellbare Endstation für Kabelbahnen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761097A (en) * 1953-07-17 1956-08-28 Tourneau Robert G Le Voltage regulating system
JPS4916145A (de) * 1972-06-07 1974-02-13
US4015189A (en) * 1976-03-15 1977-03-29 Westinghouse Electric Corporation Supplemental field excitation for permanent magnet rotor of pilot exciter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH420242A (fr) * 1964-04-15 1966-09-15 Neyrpic Ateliers Neyret Beylie Dispositif de réception en gare des véhicules de téléphériques
FR2094270A5 (de) * 1970-06-15 1972-02-04 Merlin Gerin
DE2060030A1 (de) * 1970-12-05 1972-06-15 Pohlig Heckel Bleichert Automatisierte Seilbahnstation
FR2416821A2 (fr) * 1977-06-02 1979-09-07 Montagner Rene Perfectionnement aux procedes et installations d'embarquement de passagers sur une structure porteuse mobile suspendue, notamment de remontee mecanique
EP0125967A1 (de) * 1983-05-02 1984-11-21 Pomagalski S.A. Höhenverstellbare Endstation für Kabelbahnen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275403A1 (de) * 1986-12-18 1988-07-27 Von Roll Transportsysteme AG Seilförderanlage
FR2661147A1 (fr) * 1990-04-24 1991-10-25 Pomagalski Sa Station d'extremite de tension d'un teleporteur.
EP0454596A1 (de) * 1990-04-24 1991-10-30 Pomagalski S.A. Endstation mit Spannvorrichtung für eine Seilbahn
CN105896899A (zh) * 2014-11-30 2016-08-24 李启飞 Y型沟槽凸轮电动调速盘式磁力耦合器
CN106080615A (zh) * 2016-08-03 2016-11-09 安徽明雁齿轮有限公司 大运载机械式货运索道牵引机装置

Also Published As

Publication number Publication date
US4641584A (en) 1987-02-10
JPH0665547B2 (ja) 1994-08-24
CA1230572A (en) 1987-12-22
FR2571674A1 (fr) 1986-04-18
DE3566991D1 (en) 1989-02-02
FR2571674B1 (fr) 1988-05-06
EP0181243B1 (de) 1988-12-28
JPS61181762A (ja) 1986-08-14
ATE39447T1 (de) 1989-01-15

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