EP3934959B1 - Kabelfahrzeug-transportanlage und verfahren zum messen einer information bezüglich einer solchen anlage - Google Patents

Kabelfahrzeug-transportanlage und verfahren zum messen einer information bezüglich einer solchen anlage Download PDF

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Publication number
EP3934959B1
EP3934959B1 EP20725837.7A EP20725837A EP3934959B1 EP 3934959 B1 EP3934959 B1 EP 3934959B1 EP 20725837 A EP20725837 A EP 20725837A EP 3934959 B1 EP3934959 B1 EP 3934959B1
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EP
European Patent Office
Prior art keywords
bull
wheel
pulley
cable
measurement device
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Active
Application number
EP20725837.7A
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English (en)
French (fr)
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EP3934959A1 (de
EP3934959C0 (de
Inventor
Guillaume Minne
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Poma SA
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Poma SA
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Publication of EP3934959C0 publication Critical patent/EP3934959C0/de
Publication of EP3934959B1 publication Critical patent/EP3934959B1/de
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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
    • B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables

Definitions

  • the invention relates to vehicle transport installations by cable, and more particularly to vehicle transport installations by aerial tractor cable.
  • pulleys are used to drive traction cables for vehicle transport, in particular for transport installations such as cable cars, for example chairlifts, gondolas or ski lifts.
  • the pulleys can be driven, and they are then coupled to a motor which drives them in rotation.
  • the pulleys can also be called “return” pulleys, to allow the traction cable to return to the driving pulley, or even deflection pulleys to bend the traction cable.
  • Useful information can be the speed of the traction cable, its distance traveled, and the vibrations of the pulleys.
  • Useful information can be the speed of the traction cable, its distance traveled, and the vibrations of the pulleys.
  • a rotating encoder roller in contact with the traction cable to deduce the speed and the distance traveled by the traction cable.
  • control machines coupled to the motors which drive the drive pulleys, to record information on the rotation speed of the pulleys.
  • vibration sensors including accelerometers, can be used to measure vibrations of the pulleys. These vibration sensors are positioned on a fixed rotation shaft of the pulley.
  • devices for detecting an inclination of the axis of rotation of a pulley include two blades located inside the groove of a pulley, and as soon as an edge of the groove comes into contact with a blade, the device detects an inclination of the axis of rotation.
  • a ski resort is complex and may have several cable transport facilities, such as several chairlifts, gondolas and ski lifts, which requires the use of numerous instruments to monitor the operation of the entire ski resort. ski. There is therefore a need to centralize information in order to monitor the parameters of an installation.
  • the document EP0771709 discloses a cable vehicle transport installation comprising a pulley for driving a cable and a detector of movement of the cable relative to the pulley.
  • the detector detects a degree of displacement of the cable relative to the pulley, so that exit of the cable from the pulley can be automatically and effectively prevented
  • An object of the invention consists of overcoming these drawbacks, and more particularly of providing simple means for retrieving information useful for the maintenance and operation of a vehicle transport installation by cable.
  • a cable vehicle transport installation comprising a cable for towing a vehicle, a fixedly mounted chassis, a pulley coupled to the cable and mounted movable in rotation on the chassis so as to allow a cable drive, and a measuring device configured to measure at least one piece of information relating to a movement of the pulley.
  • the measuring device is mounted on the pulley.
  • Such an installation makes it possible to retrieve useful information, such as for example the speed, acceleration or vibrations of a pulley enabling the cable to be driven, in a very simple manner. We also avoid modifying the interfaces of the installation's existing devices used normally to retrieve certain useful information. In addition, useful information can be very easily retrieved for installations without sensors, such as most ski lifts, for example, or old installations, such as non-detachable chairlifts.
  • the measuring device may include wireless communication means configured to transmit said at least one piece of measured information outside the measuring device.
  • the measuring device includes a magnet configured to removably mount the measuring device on the pulley. It is not necessary to modify the pulley, which allows rapid installation of the measuring device. It is also not necessary to use tools to place the measuring device, nor to carry out long and complex operations, such as welding operations.
  • the measuring device comprises a surface and an adherent product placed on the surface to securely mount the measuring device on the pulley.
  • the measuring device comprises a gyroscope configured to measure at least one angular speed and at least one angular acceleration of the pulley along an axis of rotation of the pulley and/or an accelerometer configured to measure at least one speed and at least one acceleration of the pulley along an axis of translation of the pulley.
  • the measuring device comprises an electronic control unit and a non-volatile memory coupled to the electronic control unit, the electronic control unit being configured to record said at least one piece of measured information in the non-volatile memory.
  • the electronic control unit can be configured to compare a new measurement of said at least one piece of information with the recorded measurement of said at least one piece of information, and the communication means is configured to transmit the new measurement when the new measurement is different from the recorded measurement.
  • the communication means can be configured to transmit said at least one recorded piece of information when the electronic control unit receives an information transmission signal transmitted from a remote computer.
  • a method for measuring at least one piece of information concerning a movement of a pulley of a vehicle transport installation by cable, the installation comprising a fixedly mounted chassis, and the pulley being coupled to the cable and mounted movable in rotation on the frame so as to allow the cable to be driven.
  • the method comprises mounting a measuring device on the pulley and the device measures at least one piece of information relating to a movement of the pulley.
  • the installation 1 can comprise one or more vehicles, not shown for simplification purposes, and a cable 2 on which the vehicles are coupled to be towed.
  • Facility 1 further includes stations where passengers can board, and/or disembark, vehicles.
  • the tractor cable 2 is continuous, forming a closed loop and circulates in motion between two stations of the installation 1 to move the vehicles coupled to the cable 2.
  • the vehicles make it possible to transport passengers from one station to another of the installation 1.
  • Cable 2 is also denoted “tractor cable” or “traction cable”.
  • Installation 1 can be a chairlift, a cable car, a gondola, a ski lift, a funicular, or an air cushion train.
  • the tractor cable 2 can be aerial, and in this case the installation 1 is of the cable car, chairlift, gondola, or ski lift type, or it can be located at the level of the ground, and in this case installation 1 is of the funicular type or an air cushion train.
  • the installation 1 further comprises a pulley 4 and a chassis 6.
  • the chassis 6 is fixedly mounted within the station 3 of the installation 1.
  • the pulley 4 is configured to be coupled to the cable 2.
  • the pulley 4 has a groove 7 configured to receive the cable 2.
  • the pulley 4 is mounted movable in rotation on the chassis 6, so as to allow driving of the cable 2. More particularly, the pulley 4 is movable in rotation around an axis of rotation A.
  • the pulley 4 can be driving, and in this case it is coupled to a motor which drives it in rotation around the axis of rotation A.
  • the pulley 4 can also be a return pulley, as illustrated in figures 1 and 2 , and in this case it allows a return of the cable 2 towards another driving pulley of the installation 1.
  • a return pulley 4 cooperates with a driving pulley to put the cable 2 under tension in order to be able to drive cable 2 moving.
  • a pulley 4 driving or return, allows the cable 2 to be driven in translation along a translation axis B.
  • the translation axis B is perpendicular to the axis of rotation A of the pulley 4 .
  • the axis of rotation A can be vertical, as illustrated in the figures 1 and 2 , and in this case the pulley 4 extends horizontally.
  • the axis of rotation A can be horizontal, and in this case the pulley 4 extends vertically. More generally, pulley 4 is a wheel having a diameter greater than its height.
  • the pulley 4 can be solid, or a central through hole 8 can be formed in the center of the pulley 4.
  • the frame 6 is a structure, preferably metallic, making it possible to support the pulley 4.
  • the frame 6 is fixedly mounted within a station 3, that is to say that the chassis 6 does not turn.
  • Other eccentric through holes 11 can be formed in the pulley 4 to lighten it. These eccentric through holes 11 are regularly distributed around the axis of rotation A.
  • the pulley 4 further comprises two external surfaces 12, 13. In particular, the external surfaces 12, 13 are located on either side of the groove 7 of the pulley 4. When the pulley 4 has a central through hole 8, each external surface 12, 13 extends between the groove 7 and an edge of the central through hole 8.
  • the installation 1 comprises a rotation shaft 5 fixedly mounted within the station 3 of the installation 1.
  • the rotation shaft 5 is fixedly mounted on the chassis 6 and the shaft rotation 5 does not rotate.
  • the rotation shaft 5 extends along the axis of rotation A, and the pulley 4 is rotatably mounted on the rotation shaft 5.
  • the rotation shaft 5 is housed within the central through hole 8.
  • the rotation shaft 5 passes through the central through hole 8 of the pulley 4 and has two ends projecting from the central through hole 8.
  • the ends of the rotation shaft 5 are fixedly mounted on the chassis 6 of installation 1.
  • installation 1 comprises bearings 9, 10 housed within the central through hole 8.
  • Bearings 9, 10 bear against the rotation shaft 5 and against pulley 4.
  • the bearings 9, 10 allow the pulley 4 to be rotated around the axis of rotation A, that is to say around the rotation shaft 5.
  • the bearings 9, 10 are located around the rotation shaft 5. In other words, the bearings 9, 10 are located between the rotation shaft 5 and the pulley 4.
  • the bearings 9, 10 are members configured to support and guide the pulley 4 in rotation. preferably, the bearings 9, 10 are rolling bearings equipped with balls or rollers.
  • the pulley 4 can be a driving pulley rotated by a motor.
  • a rotation shaft extends along a longitudinal axis and is fixedly mounted on the pulley 4. The rotation shaft is then mounted to rotate within the engine.
  • the motor is fixedly mounted on the chassis 6 of the installation 1, and the pulley 4 is rotatably mounted on the chassis 6, around the longitudinal axis.
  • the installation 1 comprises a measuring device 14 configured to measure at least one piece of information concerning a movement of the pulley 4.
  • the measured information is useful for the operation and maintenance of the installation 1.
  • the measuring device 14 is mounted on the pulley 4.
  • the measuring device 14 is therefore rotated when the pulley 4 rotates around the axis of rotation A.
  • the measuring device 14 is therefore mounted movable relative to the chassis 6. More particularly, the measuring device 14 is mounted on an external surface 12, 13 of the pulley 4 For example between two eccentric through holes 11.
  • the measuring device 14 comprises a housing 20. On the figures 3 and 4 , embodiments of the measuring device 14 have been shown.
  • the housing 20 comprises fixing means 21 configured to fix the measuring device 14 on an external surface 12, 13 of the pulley 4.
  • the means of fixing 21 can be configured to mount the measuring device 14 on the pulley 4 in a removable manner.
  • the fixing means 21 comprise one or more magnets 22.
  • the magnets 22 can be fixed on the surface 23 using bolts 24.
  • the magnets 22 are particularly suitable for the removable mounting of the measuring device 14 on the pulley 4, because generally the pulley 4 is metallic.
  • the fixing means 21 are configured to mount the measuring device 14 on the pulley 4 in a fixed manner.
  • the fixing means 21 include an adhering product, such as a glue, to fix the measuring device 14 on the pulley 4.
  • the adhering product is placed on the surface 23 of the housing 20.
  • the measuring device 14 is configured to measure useful information and to transmit it outside the housing 20.
  • the measuring device 14 further comprises at least one communication means 25 and a gyroscope 26.
  • the gyroscope 26 is configured to measure at least one rotation information of the pulley 4 along an axis of rotation.
  • the gyroscope 26 is configured to measure rotation information of the pulley 4 along three axes of rotation respectively.
  • the three axes of rotation are three orthogonal axes defining an orthonormal reference frame.
  • Rotation information can be an angular speed, denoted rotation speed, or an angular acceleration, denoted rotation acceleration. Acceleration means positive or negative acceleration, negative acceleration also being called braking.
  • the gyroscope 26 is configured to measure three angular accelerations and three angular velocities of the pulley 4 along respectively three axes of rotation of the pulley 4.
  • the axes of rotation of the pulley 4 are orthogonal.
  • the axes of rotation of the pulley 4 are, for example, the translation axis B, the rotation axis A and a third axis C perpendicular to the first two axes A, B. In normal operation the rotation of the pulley 4 according to axes B and C is weak.
  • the gyroscope 26 is of the microelectromechanical system type.
  • the communication means 25 is configured to transmit the measured information outside the measuring device 14.
  • the communication means 25 is wireless.
  • a wireless communication means 25 is particularly suitable for transmitting the information measured from the measuring device 14 which is rotated during operation of the installation 1.
  • the communication means 25 comprise an antenna 28 making it possible to transmit and receive signals by radio waves.
  • the communication means 25 is configured to transmit the measured information to an external electronic unit, not shown for simplification purposes.
  • the external electronic unit can be a smart mobile phone, an electronic tablet, or even a remote computer.
  • the external electronic unit includes a software interface configured to receive the information transmitted by the measuring device 14 and a screen to display the information received.
  • the external electronic unit makes it possible to monitor the measured information for the operation and maintenance of installation 1.
  • the measuring device 14 may also include an electronic control unit 27.
  • the electronic control unit 27 is coupled to the gyroscope 26, via a connection 29, to carry out processing on the measured information. Furthermore, the electronic control unit 27 can be coupled, by a connection 30, to the communication means 25 to manage the sending of signals containing the measured information and the signals received by the communication means 25.
  • the communication means 25 is coupled to the gyroscope 26 directly or via the electronic control unit 27.
  • the measuring device 14 may further comprise an accelerometer 31.
  • the accelerometer 31 is configured to measure at least one piece of translation information from the pulley 4 along a translation axis.
  • the accelerometer 31 is configured to measure translation information of the pulley 4 along three translation axes respectively.
  • the three translation axes are three orthogonal axes defining an orthonormal reference frame.
  • Translation information can be a speed, denoted translation speed, or an acceleration, also denoted translation acceleration.
  • the accelerometer 31 is configured to measure three accelerations and three speeds of the pulley 4 along respectively three axes of translation of the pulley 4.
  • the axes of translation of the pulley 4 are orthogonal.
  • the translation axes of the pulley 4 are, for example, the translation axis B, the rotation axis A and the third axis C. In normal operation the translation of the pulley 4 along the rotation axis A is low . But in the event of abnormal operation, for example during vibrations or inclination of the pulley 4, a translation movement of the pulley along the axis of rotation A can be measured.
  • the accelerometer 31 is of the electromechanical microsystem type. The accelerometer 31 can be coupled to the electronic control unit 27, via the connection 29, or be coupled directly to the communication means 25.
  • the electronic control unit 27 can be configured to generate parameters from the measured information.
  • the parameters and the measured information are information concerning a movement of the pulley 4.
  • the electronic control unit 27 can develop braking parameters from the speeds and accelerations measured by the accelerometer 31 and/or the gyroscope 26.
  • the electronic control unit 27 can develop a braking distance, a braking time, an initial braking speed, and a braking curve corresponding to the speeds of pulley 4 as a function of time during braking.
  • the braking distance corresponds to the distance traveled by the cable 2 when braking the pulley 4.
  • the electronic control unit 27 can also develop vibration parameters of the pulley 4 from the measured accelerations.
  • the electronic control unit 27 can calculate a number of revolutions made by the pulley 4 from at least one piece of measured rotation information.
  • the electronic control unit 27 can further develop a direction of rotation of the pulley 4 from the measured rotation information.
  • the measuring device 14 comprises an electrical energy storage unit 34 and a non-volatile memory 32 coupled, by a connection 33, to the electronic control unit 27.
  • the energy storage unit electrical 34 makes it possible to power the elements of the measuring device 14, that is to say the accelerometer 31, the gyroscope 26, the electronic control unit 27, the means of communication 25 and the memory 32.
  • the elements of the measuring device 14 are electronic components mounted on an electronic card 35.
  • the electronic card 35 is housed within the housing 20.
  • the electronic control unit 27 can be configured to record the measured information and the parameters developed in the non-volatile memory 32.
  • the communication means 25 can also be configured to transmit the parameters developed outside the measuring device 14.
  • the measuring device 14 can be configured to periodically transmit the measured information to the external electronic unit.
  • the communication means 25 is configured to transmit the information recorded during a specific request, for example when the electronic control unit 27 receives a transmission signal information transmitted from the electronic unit.
  • the electronic control unit 27 is configured to compare a new measurement of information with the recorded measurement of the information, and the communication means 25 is configured to transmit the new measurement when it is different from the measurement recorded.
  • the recorded information is only communicated to the outside of the device 14 upon a specific request from the external electronic unit, or during a specific event, such as for example information which changes value. This saves the energy consumption of the storage unit 34.
  • the installation 1 can include several measuring devices 14 to ensure security of the transmission of information. It is also possible to mount a measuring device 14 on at least one pulley 4, driving or return, of each installation 1 of a ski resort. This makes it easy to monitor useful information for a complex ski resort with many facilities.
  • a method of measuring at least one piece of information concerning a movement of the pulley 4 can be implemented by the system which has just been described above.
  • the method comprises mounting the measuring device 14 on the pulley 4 and a measurement, by the measuring device 14, of at least one piece of information concerning a movement of the pulley 4.
  • the method is simple and makes it possible to monitor very quickly useful information for the operation and maintenance of the installation 1. We avoid developing complex software interfaces to communicate with pre-existing measuring instruments in the installation 1.
  • the measuring device 14 according to the The invention does not require modifying the equipment of installation 1.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Operation Control Of Excavators (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Gyroscopes (AREA)
  • Handcart (AREA)

Claims (8)

  1. Kabelfahrzeug-Transportanlage, umfassend ein Kabel (2) zum Ziehen eines Fahrzeugs, einen fest montierten Rahmen (6), eine Scheibe (4), die mit dem Kabel (2) gekoppelt und drehbeweglich am Rahmen (6) angebracht ist, um einen Antrieb des Kabels (2) zu ermöglichen, und eine Messvorrichtung (14), die dazu konfiguriert ist, mindestens eine Information bezüglich einer Bewegung der Scheibe (4) zu messen, wobei die Messvorrichtung (14) an der Scheibe (4) montiert ist, dadurch gekennzeichnet, dass die Messvorrichtung (14) ein Gyroskop (26) umfasst, das dazu konfiguriert ist, mindestens eine Winkelgeschwindigkeit und mindestens eine Winkelbeschleunigung der Scheibe (4) entlang einer Drehachse der Scheibe (4) zu messen, und/oder einen Beschleunigungsmesser (31), der dazu konfiguriert ist, mindestens eine Geschwindigkeit und mindestens eine Beschleunigung der Scheibe (4) entlang einer Translationsachse der Scheibe (4) zu messen.
  2. Anlage nach Anspruch 1, wobei die Messvorrichtung (14) ein drahtloses Kommunikationsmittel (25) umfasst, das dazu konfiguriert ist, die mindestens eine gemessene Information außerhalb der Messvorrichtung (14) zu übertragen.
  3. Anlage nach Anspruch 1 oder 2, wobei die Messvorrichtung (14) einen Magneten (22) umfasst, der dazu konfiguriert ist, die Messvorrichtung (14) abnehmbar an der Scheibe (4) anzubringen.
  4. Anlage nach Anspruch 1 oder 2, wobei die Messvorrichtung (14) eine Oberfläche (23) und einen auf der Oberfläche (23) angeordneten Klebstoff umfasst, um die Messvorrichtung (14) fest an der Scheibe (4) anzubringen.
  5. Anlage nach einem der Ansprüche 2 bis 4, wobei die Messvorrichtung (14) eine elektronische Steuereinheit (27) und einen nichtflüchtigen Speicher (32) umfasst, der mit der elektronischen Steuereinheit (27) gekoppelt ist, wobei die elektronische Steuereinheit (27) dazu konfiguriert ist, die mindestens eine gemessene Information im nichtflüchtigen Speicher (32) zu speichern.
  6. Anlage nach Anspruch 5, wobei die elektronische Steuereinheit (27) dazu konfiguriert ist, eine neue Messung der mindestens einen Information mit der gespeicherten Messung der mindestens einen Information zu vergleichen, und die Kommunikationseinrichtung (25) dazu konfiguriert ist, die neue Messung zu übertragen, wenn die neue Messung von der gespeicherten Messung abweicht.
  7. Anlage nach Anspruch 5 oder 6, wobei das Kommunikationsmittel (25) dazu konfiguriert ist, die mindestens eine gespeicherte Information zu übertragen, wenn die elektronische Steuereinheit (27) ein von einem Ferncomputer gesendetes Informationsübertragungssignal empfängt.
  8. Verfahren zum Messen mindestens einer Information bezüglich einer Bewegung einer Scheibe (4) einer Kabelfahrzeug-Transportanlage (2), wobei die Anlage einen fest montierten Rahmen (6) umfasst und die Scheibe (4) mit dem Kabel (2) gekoppelt und drehbeweglich am Rahmen (6) angebracht ist, um einen Antrieb des Kabels (2) zu ermöglichen, wobei das Verfahren ein Montieren einer Messvorrichtung (14) an der Scheibe (4) umfasst, dadurch gekennzeichnet, dass die Messvorrichtung (14) mindestens eine Information bezüglich einer Bewegung der Scheibe (4) misst, wobei die Messvorrichtung (14) ein Gyroskop (26) umfasst, das dazu konfiguriert ist, mindestens eine Winkelgeschwindigkeit und mindestens eine Winkelbeschleunigung der Scheibe (4) entlang einer Drehachse der Scheibe (4) zu messen, und/oder einen Beschleunigungsmesser (31), der dazu konfiguriert ist, mindestens eine Geschwindigkeit und mindestens eine Beschleunigung der Scheibe (4) entlang einer Translationsachse der Scheibe (4) zu messen.
EP20725837.7A 2019-03-05 2020-03-05 Kabelfahrzeug-transportanlage und verfahren zum messen einer information bezüglich einer solchen anlage Active EP3934959B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1902212A FR3093490B1 (fr) 2019-03-05 2019-03-05 Installation de transport de véhicule par câble et procédé de mesure d’une information concernant une telle installation
PCT/FR2020/050452 WO2020178532A1 (fr) 2019-03-05 2020-03-05 Installation de transport de vehicule par cable et procede de mesure d'une information concernant une telle installation

Publications (3)

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EP3934959A1 EP3934959A1 (de) 2022-01-12
EP3934959C0 EP3934959C0 (de) 2023-11-15
EP3934959B1 true EP3934959B1 (de) 2023-11-15

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EP20725837.7A Active EP3934959B1 (de) 2019-03-05 2020-03-05 Kabelfahrzeug-transportanlage und verfahren zum messen einer information bezüglich einer solchen anlage

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Country Link
US (1) US20220126884A1 (de)
EP (1) EP3934959B1 (de)
JP (1) JP7500595B2 (de)
KR (1) KR20210132053A (de)
CN (1) CN113508067B (de)
CO (1) CO2021011522A2 (de)
ES (1) ES2966806T3 (de)
FR (1) FR3093490B1 (de)
WO (1) WO2020178532A1 (de)

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Publication number Publication date
EP3934959A1 (de) 2022-01-12
US20220126884A1 (en) 2022-04-28
EP3934959C0 (de) 2023-11-15
WO2020178532A1 (fr) 2020-09-10
JP7500595B2 (ja) 2024-06-17
CO2021011522A2 (es) 2021-09-20
KR20210132053A (ko) 2021-11-03
CN113508067A (zh) 2021-10-15
JP2022523996A (ja) 2022-04-27
CN113508067B (zh) 2024-04-16
ES2966806T3 (es) 2024-04-24
FR3093490A1 (fr) 2020-09-11
FR3093490B1 (fr) 2021-03-12

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