EP3177476A1 - Dispositif de pantographe, procédé de déplacement d'un dispositif de pantographe et utilisation d'un dispositif de pantographe - Google Patents

Dispositif de pantographe, procédé de déplacement d'un dispositif de pantographe et utilisation d'un dispositif de pantographe

Info

Publication number
EP3177476A1
EP3177476A1 EP15753630.1A EP15753630A EP3177476A1 EP 3177476 A1 EP3177476 A1 EP 3177476A1 EP 15753630 A EP15753630 A EP 15753630A EP 3177476 A1 EP3177476 A1 EP 3177476A1
Authority
EP
European Patent Office
Prior art keywords
arm
pneumatic
contact
pantograph
hydraulic
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Withdrawn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
EP15753630.1A
Other languages
German (de)
English (en)
Inventor
Reto HÜGLI
Jan Messerschmidt
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.)
Kummler and Matter AG
Original Assignee
Kummler and Matter AG
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 Kummler and Matter AG filed Critical Kummler and Matter AG
Publication of EP3177476A1 publication Critical patent/EP3177476A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/04—Current collectors for power supply lines of electrically-propelled vehicles using rollers or sliding shoes in contact with trolley wire
    • B60L5/12—Structural features of poles or their bases
    • B60L5/16—Devices for lifting and resetting the collector

Definitions

  • the present invention relates to a pantograph device for driving-powered vehicles according to the preamble of the main claim. Furthermore, the present invention relates to a use of such a pantograph device, and the present invention relates to a method for moving a pantograph device of a tethered vehicle.
  • Generic current collector devices are generally known from the prior art for the power supply, in particular buses, trams or trains in public transport.
  • trolleybuses driving on rails without a rail, use such for contacting (wire-firing) or decontacting (wiring) the pantograph head to or from the contact wire in response to respective vehicle operating conditions or at the beginning and end of a driving operation.
  • Fig. 8 to the generic state of the art schematically illustrates the essential functional components of a pantograph known as known, the example of a pivotably mounted on a roof portion 10 of a trolley bus pantograph with a pivotable about a first bearing 12 arm 14, which at its free (not shown) end carries a pantograph head for cooperation with a (not shown likewise) contact wire.
  • a tension spring 16 connected at one end to a stationary bearing block 18 on the roof section 10 and at the other end to the arm 14, biases the arm with the end-side current collector head against the contact wire in a known manner, so that a pressure force of the current drain is applied.
  • FIG. 8 for the prior art additionally comprises a pneumatically actuated cylinder unit 20, which, parallel to the acting as elevation spring 16, can be controlled and operated by the spring force-acted upon in the manner shown and by the spring force against Spent the contact wire prestressed arm in a non-contact position, so spend a wired or rest position.
  • the cylinder unit 20 shown schematically (which is deactivated in a Andrahtungs- or driving condition and thus does not contribute to a emergence of the pressing force of the pantograph head on the contact wire) is subjected to pneumatic pressure, so by means of thrust of the piston 22 schematically shown in the assembly 20 the arm 14 is guided downwards (ie pivoting in the plane of the figure of FIG.
  • the cylinder unit 20 is actuated such that the pneumatic pressure overcomes the spring force 16 and, with expansion of the spring 16, brings the arm 14 of the generic current collector device down to a rest position on the roof section 10.
  • the arm can then be locked by locking means (not shown) in order to prevent unintended ascending or driving.
  • the means for accommodating the invention implement two cooperating or suitable method steps in the controlled raising or lowering of the arm, and on the one hand the elevating means comprise lifting means which are driven and configured by an electric motor, the lifting or lifting. Lowering at least over a path portion of the arm between the storage position and a contact position to effect.
  • This aspect of the invention exploits the property of electric motor drives to ensure simple and precise control and positioning, so that in particular path sections of the arm to the storage position or from this and then in raising the arm to the contact wire driven, controlled and positioned can.
  • the inventions in accordance with pneumatic or hydraulic means likewise assigned to the elevation means, application of the pressure force to the pantograph head, at least in the contact position of the pantograph head on the contact wire (advantageously, the pneumatic or hydraulic means can already take over a path section up to the contact position).
  • Pneumatic or hydraulic means are particularly favorable for producing a necessary for the electrical contact quality - resilient - minimum pressure force, so it is advantageous in the context of the invention to use each optimal control and An horrien along the movement or travel path of the arm between - see the storage position and the contact position comes.
  • the toothed rack or spindle drive provided for the embodiment of the electromotively driven lifting means is advantageous in order to ensure the desired precise, sensitive positioning and movement of the arm to the depositing position or from this (including a subsequent lifting)
  • a spindle drive (alternatively, a cable pull or the like suitably provided with a take-up device is also suitably provided with coupling or freewheeling means in order to suitably drive the correspondingly realized electromotively driven lifting means for driving to the arm (to couple ) or decouple from this.
  • roof section used for supporting the arm and as a fixed position, likewise also for describing the storage position, is to be interpreted broadly and describes any location or any position on or on a vehicle operated by a towing vehicle it is not necessary to use the term of the roof section to necessarily mean a (with reference to the contact wire or a road surface) highest section of the vehicle.
  • means for position or travel detection of the arm in particular in the form of further education provided angle or Wegcodierstoff associated with the electric motor driven lifting means.
  • these detectors allow suitable position signals of a current arm position for purposes of motion or position control (or control operations regarding suitable target positions) to specify.
  • the pneumatic or hydraulic means according to the invention are realized with suitable cylinders which act on the arm and thus with suitable pressure-transmitting fluids are provided or acted upon, that by this pneumatic or hydraulic cylinder then the intended (high) pressure force of the pantograph head can be brought to the contact wire;
  • the electric motor-driven lifting means according to the invention are less well suited to this resilient An horrfunktiontechnisch, so that developments of the invention provide that the electromotive caused lifting of the arm before or ends with reaching the contact position and then the application of force by the pneumatic or Hydraulic agent takes place.
  • associated pneumatic or hydraulic raulikzylinder it is initially sufficient if associated pneumatic or hydraulic raulikzylinder be provided with a suitable pressure (of the supplied fluid); According to a further development, it may be advantageous, in particular in operating environments with varying contact wire heights (and corresponding variations of a contact wire spacing relative to the roof section), to keep a cylinder pressure constant through control processes or to regulate it to a desired value.
  • the device constructed as described above is thus in a significantly improved manner for Andrahten or wire in the regular Driving operation, such that typically the electric motor driven lifting means take over the movement of the arm from the storage position or back into this, while the pneumatic or hydraulic means at a position of the pantograph head on the contact wire generate the necessary pressing force (which then typically during this mode of operation corresponding clutch actuation or a further development advantageous freewheel the electric motor driven lifting means are decoupled from the arm).
  • the present invention also allows, in the manner of an emergency operation, a quick wire of the pantograph head off the wire by rapidly decompressing the cylinder, such as in response to an inadvertent operating condition such as removal of the pantograph head from the contact wire, causing the arm to move rapidly downward in the case of coupling of the electromotive lifting means, these cause the further lowering or safe return of the arm.
  • a counterpressure cylinder or the like measure it is possible to assist, for example by means of a counterpressure cylinder or the like measure, before this lowering and returning, in order to support the gravitational downward movement, for example in the case of certain driving states, such as a strong braking. In this way, even with such unintentional driving conditions easily stable and safe storage conditions of the arm can be achieved without about the risk of injury or damage by an uncontrolled moving arm.
  • the present invention makes it possible to simplify the operation characteristics of generic pantograph devices in all operating conditions, including wire-and-cautery and cauterization under problematic driving conditions, to make them safer and, in particular, without the need for additional positioning or lifting Help guide the arm supporting the current collector head precisely and reliably in a defined storage position.
  • FIG. 1 shows a schematic side view of the current collector device according to a first embodiment of the invention with the schematic functional components and their interaction with each other;
  • FIG. 2 shows a diagram for clarifying a spindle length (corresponding to an arm or rod position) on the one hand and a catenary height on the other hand in each case with respect to time with different time periods, insofar corresponding to different phases of the
  • FIG. 5 is a schematic diagram in plan view (of a roof portion of a traveling-line-powered vehicle) of the pantograph device according to a second embodiment of the invention with functional components and their cooperation for describing a rotation process about a vertical axis; a diagram analogous to FIG. 2 to 4 to illustrate the operation of a rapid lowering with additional rotation according to the further embodiment of FIG. 5; a supplementary diagram in temporal synchronicity with Fig. 6 for illustrating a rotational deflection of the arm relative to a vehicle longitudinal axis (or direction) in Fig. 5 and a schematic representation with functional components and their interaction to illustrate a generic pantograph device as a technical starting position of the present invention ,
  • FIG. 1 shows a schematic side view of essential functional components and their interaction in a current collector device according to a first embodiment of the present invention in a side view.
  • Reference numerals correspond to those of FIG. 8 for the initially discussed prior art, as far as identical or equivalent functional components are concerned.
  • an arm 14 is pivotally mounted on a roof portion via a pivot bearing, wherein the reference numeral 18 so far again illustrates a stationary, immovable storage unit.
  • FIG. 1 shows how two in terms of their actuation effect parallel driving or movement mechanisms are coupled to the arm 14, namely on the one hand driven by electric motor lifting means in the form of a driven with an electric motor 30
  • Spindelan drive 32 which via a freewheel or a coupling unit 34 and a hinge 12 is connected to the arm 14.
  • Driving the motor 30 via an electronic control unit 36 causes the spindle 38 to be extended or shortened, wherein a shortening spindle causes the arm 14 to be raised, and thus to pivot the arm 14 in the direction of the clockwise direction in the plane of the figure 1, leads.
  • the arm 14 is associated with a rotation angle sensor 40 which generates a signal which is electronically evaluable relative to the bearing unit 18, corresponding to a current pivoting or pivoting angle of the arm 14. This is processed by the control and regulation unit 36 as a position actual value as well as a suitably externally presettable setpoint value via a setpoint input 42.
  • a pneumatic unit 44 consisting of a displaceably mounted in a pneumatic cylinder 46 against a compressive force of a pneumatic piston 48;
  • This unit is articulated at both ends on the arm 14 and the stationary bearing unit 18 pivotally.
  • the cylinder 46 is supplied via a pressure line 50 with pneumatic fluid, which is supplied by a pressure accumulator 52 and is brought to the cylinder 46 via an electronically actuated by the control and control unit 36 switching valve 54.
  • the function in operation of the device of Fig. 1 is as follows:
  • the then supplied (and extending) spindle gets during the time phase t 3 in the freewheel and remains in t 4 in the decoupled state.
  • the time period t 4 insofar as representative of a driving operation, illustrated with the fluctuation of the head height (insofar corresponding height changes of the contacted contact wire) lifting and lowering the head, with appropriate pressurization by the pneumatic unit 44, which is continuously supplied with pneumatic fluid under pressure.
  • FIG. 3 illustrates the wiring operation of the described embodiment
  • Phase t 4 corresponds in this respect to the coupled (wired) driving operation to the conclusion of FIG. 3.
  • the spindle is first shortened by activation of the motor 30 during t 5 until it engages or the freewheel is released.
  • the electromotive drive functionality with its precise and precise controllability (both with slower and faster motor rotation) enables a precise and positionally accurate movement of the arm 14.
  • the suitability and property of the pneumatic unit 44 is advantageously used especially for the resilient Anyakizi in the contact position, which is activated in particular on- or wired state and there in a reliable, simple and secure contact type for the necessary pressure force of the pantograph head on the Contact wire provides.
  • the electric drive is decoupled in the manner described.
  • a pneumatic fluid stabilizes the contact force with changing contact wire height through its compressible and damping properties.
  • the spindle 38 is shortened at maximum speed during the time phase U 0 by actuation of the motor 30 (even without being coupled in at this time), at the same time a pressure reduction in the cylinder 46 takes place by actuation of the valve 54, so that the arm 14 from- downward (that is, in the plane of Fig. 1 counter to the clockwise direction).
  • a pressure reduction in the cylinder 46 takes place by actuation of the valve 54, so that the arm 14 from- downward (that is, in the plane of Fig. 1 counter to the clockwise direction).
  • FIG. 5 illustrates a further embodiment of the invention, insofar as a development of the first exemplary embodiment of FIG. 1.
  • Arrows 60, 61 illustrate the respective deflections of up to approximately 55 degrees, which can be achieved by turning, in the positive and negative directions from the direction of travel 62 shown in FIG.
  • the rotary drive of the electric motor 31 is connected via a suitably controllable (alternatively, other options for open coupling are conceivable, such as a non-self-locking gear on a de-energized motor) coupling 64 with a turntable 66 shown schematically, which rotation of the bearing assembly 18 (FIG ) around the vertical axis.
  • a rotation angle sensor 68 in conjunction with a rotation control 70 provides for a regulation to a suitably predetermined desired value at the setpoint input 72 of the controller 70, wherein the control signal then suitably the motor 31 or reached the clutch 64.
  • FIGS. 6 and 7 show in an extension or modification of the rapid descent operation described with reference to FIG. 4, it will be explained with reference to FIGS. 6 and 7 how the further education 5 of the additional rotation of the pantograph device includes around the vertical axis and in this respect is also applicable to more extensive, complex error or driving situations.
  • 6 and 7, arranged in synchronism with each other illustrate in FIG. 6 and analogous to FIGS. 2 to 4, the respective strokes or - shimmerweiten in spindle and head height, while the Fig. 7, and related extent on the deflections 60, 61 of FIG. 5, illustrates a current angle of rotation of the current collector head 15 in the above-described phases.
  • the state of derailment is again assumed during t 9 ; the head moves away from the contact wire, and this condition is detected as irregular driving.
  • the motor 31 is decoupled from the turntable 66 by suitable actuation of the clutch 64, so that - around the vertical axis - the arm can be suitably rotated.
  • the activation of the clutch 64 and thus the coupling and activation of the motor 31 takes place to the turntable 66; another, free rotation is blocked.
  • the further operation of the motor 31 (under control or control of the rotation angle detector 68) causes the arm 14, against the direction of the pivot arrow 60, 61, in the direction of travel (0 degrees) is performed as a middle position.
  • the operating steps for abrading the arm 14 in the vertical direction are performed so that, until the final state at the end of t 8, the arm together with the pantograph head seated at the end performs a complex, multi-dimensional (multi-axis) movement up to the depositing position ,
  • a synchronization of the two motion sequences can be achieved by controlling the setpoint values. Nevertheless, an advantageous effect is that no detrimental impact or other uncontrolled behavior of the arm 14 during lowering occurs at all times due to all the above-described measures of the heating. In particular, a possible risk of personal injury or damage to property by persons or objects located in the deflection area can thus be prevented.
  • the present invention is not limited to the above-described embodiments including operating modes or even the preferred use case in the context of trolleybuses. Rather, the invention is also suitable for any other tram-bound vehicles on rails or road, other arm or rod configurations and comparable operational and operational situations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

L'invention concerne un dispositif de pantographe pour des véhicules alimentés par une caténaire. Ledit dispositif comprend un bras (12) comportant une tête de pantographe (16) conçue d'une part pour être située pivotante sur une partie de toit (10) d'un véhicule alimenté par une caténaire et d'autre part pour coopérer par prélèvement de courant électrique avec un fil de contact (18), bras auquel sont associés des moyens d'élévation (22) permettant de commander le levage et l'abaissement. Les moyens d'élévation comportent des moyens de levage (32, 38) à entraînement électromoteur permettant de mettre en œuvre le levage et l'abaissement sur toute l'étendue d'au moins une partie de trajet du bras entre une position de dépose et une position de contact ainsi que des moyens pneumatiques ou hydrauliques (44), qui sont conçus pour appliquer une force de pression de la tête de pantographe sur le fil de contact dans la position de contact.
EP15753630.1A 2014-08-07 2015-07-31 Dispositif de pantographe, procédé de déplacement d'un dispositif de pantographe et utilisation d'un dispositif de pantographe Withdrawn EP3177476A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014111262.8A DE102014111262A1 (de) 2014-08-07 2014-08-07 Stromabnehmervorrichtung, Verfahren zum Bewegen einer Stromabnehmervorrichtung sowie Verwendung einer Stromabnehmervorrichtung
PCT/EP2015/067741 WO2016020302A1 (fr) 2014-08-07 2015-07-31 Dispositif de pantographe, procédé de déplacement d'un dispositif de pantographe et utilisation d'un dispositif de pantographe

Publications (1)

Publication Number Publication Date
EP3177476A1 true EP3177476A1 (fr) 2017-06-14

Family

ID=53938305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15753630.1A Withdrawn EP3177476A1 (fr) 2014-08-07 2015-07-31 Dispositif de pantographe, procédé de déplacement d'un dispositif de pantographe et utilisation d'un dispositif de pantographe

Country Status (3)

Country Link
EP (1) EP3177476A1 (fr)
DE (1) DE102014111262A1 (fr)
WO (1) WO2016020302A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021203046A1 (de) * 2021-03-26 2022-09-29 Siemens Mobility GmbH Stromabnehmer sowie ein Straßenfahrzeug mit einem solchen Stromabnehmer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247776A (en) * 1969-07-31 1971-09-29 British Railways Board Improvements in pantographs
EP0030906A1 (fr) * 1979-12-14 1981-06-24 Etablissements André BARDET S.A. (société anonyme) Ensemble de prise de courant à déperchage et reperchage automatiques pour véhicules à traction électrique, notamment les trolleybus
DE3033449C3 (de) * 1980-09-05 1990-01-04 Messerschmitt Boelkow Blohm Zweistufiger scherenstromabnehmer
DE10202804B4 (de) * 2002-01-25 2004-02-12 Stemmann-Technik Gmbh Anordnung zur Relativverlagerung eines Stromabnehmers gegenüber einem Fahrdraht

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2016020302A1 *

Also Published As

Publication number Publication date
DE102014111262A1 (de) 2016-02-11
WO2016020302A1 (fr) 2016-02-11

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