EP3472018A1 - Rail vehicle and method for operating a rail vehicle - Google Patents

Rail vehicle and method for operating a rail vehicle

Info

Publication number
EP3472018A1
EP3472018A1 EP17726541.0A EP17726541A EP3472018A1 EP 3472018 A1 EP3472018 A1 EP 3472018A1 EP 17726541 A EP17726541 A EP 17726541A EP 3472018 A1 EP3472018 A1 EP 3472018A1
Authority
EP
European Patent Office
Prior art keywords
drive
rail
hydrodynamic
rail vehicle
pump
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
EP17726541.0A
Other languages
German (de)
French (fr)
Other versions
EP3472018B1 (en
Inventor
Christian WEITERSBERGER
Christoph Kaiser
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.)
Plasser und Theurer Export Von Bahnbaumaschinen GmbH
Original Assignee
Plasser und Theurer Export Von Bahnbaumaschinen GmbH
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 Plasser und Theurer Export Von Bahnbaumaschinen GmbH filed Critical Plasser und Theurer Export Von Bahnbaumaschinen GmbH
Publication of EP3472018A1 publication Critical patent/EP3472018A1/en
Application granted granted Critical
Publication of EP3472018B1 publication Critical patent/EP3472018B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/08—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines
    • B61C9/14—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines hydraulic, including combinations with mechanical gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
    • B61C15/14—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels controlling distribution of tractive effort between driving wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/08—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines
    • B61C9/14—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines hydraulic, including combinations with mechanical gearing
    • B61C9/16—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines hydraulic, including combinations with mechanical gearing using gearing of the hydrostatic type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/08—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines
    • B61C9/14—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines hydraulic, including combinations with mechanical gearing
    • B61C9/18—Transmission systems in or for locomotives or motor railcars with IC reciprocating piston engines hydraulic, including combinations with mechanical gearing using gearing of the hydrokinetic type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/42—Transmission systems in or for locomotives or motor railcars with electric motor propulsion hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways

Definitions

  • the invention relates to a rail vehicle with a on
  • Rail chassis supported vehicle frame and a driven by a motor, hydraulic drive system comprising a hydrodynamic drive associated with a first rail chassis, and a hydrostatic drive associated with a second rail chassis, which is associated with a driving pump connected to a traction motor.
  • the invention also relates to a method for operating this rail vehicle.
  • Rail vehicles and track-laying machines with hydrodynamic and / or hydrostatic drive are already well known.
  • the power required to operate such vehicles is the product of traction and speed.
  • the tractive force is in turn dependent on the mass of the rail vehicle, the number of axles (total or driven) and the coefficient of friction between rail and wheel.
  • WO 2015/128770 A1 describes a method for operating a
  • the invention is based on the object, a rail vehicle and a
  • this object is achieved in that the engine is designed for a higher power output - as required for the operation of the hydrodynamic drive - is formed, and that the motor and the hydrodynamic drive a pump distributor gear is interposed, via which the drive pump of the hydrostatic Drive is switchable.
  • Hydrostatic drive and drive multiple axes is a
  • Pump distribution at least one additional hydraulic pump for operating at least one additional hydraulic drive for a working unit is assigned.
  • Crane, lifting platform, plow or even a snowthrower with an optimally designed for the operation of the respective unit designed hydraulic drive.
  • the drive consisting of pump and motor can be dimensioned according to the special requirements, so that an economical and performance-adjusted operation is guaranteed.
  • the object of the invention is also solved by the application of a method in a rail vehicle according to the invention, by - Dependence of a friction value ⁇ between rail and wheel - the hydrostatic drive is switched on or switched off.
  • Rail vehicle while always maintaining the required adhesion between rail and wheel. In the higher speed range, an increased engine power or a drive on several axes is no longer required, so the rail vehicle can be energy-saving again driven solely by the hydrodynamic drive.
  • FIG. 1 is a schematic side view of a rail vehicle
  • Fig. 2 is a drive diagram of the rail vehicle
  • Fig. 3 is a speed / tension diagram. Description of the embodiments
  • FIG. 1 shows a rail vehicle 1 designed as a track construction machine. This consists essentially of a supported on a first and a second rail chassis 2, 3 vehicle frame 4.
  • the rail vehicle 1 has a preferably of a
  • hydraulic drive system 6 on.
  • This comprises a hydrodynamic drive 7 assigned to the first rail chassis 2 and a hydrostatic drive 8 assigned to the second rail chassis 3.
  • the latter is associated, as can be seen in FIG. 2, with a traction motor 10 connected to a traction motor 9.
  • the motor 5 is designed for a higher power output - as required for the operation of the hydrodynamic drive 7 - formed.
  • the motor 5 and the hydrodynamic drive 7 is a pump distributor 11 interposed. About this, the drive pump 10 of the hydrostatic drive 8 can be activated.
  • the pump distributor 1 is at least one further hydraulic pump
  • each working unit 14 is assigned its own hydraulic pump 12, or that a hydraulic pump 12 alternately drives one of the working units 14 ,
  • the operation takes place as a function of a coefficient of friction ⁇ between a rail 18 and a wheel 19, wherein the hydrostatic drive 8 is switched on or switched off.
  • the rail vehicle 1 is mainly with the
  • hydrodynamic drive 7 moves. With the help of a measuring device 20, the decreasing coefficient of friction ⁇ is detected. This is followed by a manual or automatic switching on of the hydrostatic drive 8
  • the critical velocity v « is about 50 km / h. Up to this value is a combined drive (hydrodynamic and hydrostatic) under

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Motor Power Transmission Devices (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

The invention relates to a rail vehicle (1) comprising a vehicle frame (4) supported on rail-mounted travel units (2, 3) and a hydraulic drive system (6) driven by a motor (5). The hydraulic drive system comprises a hydrodynamic drive (7) associated with a first rail-mounted travel unit (2), and a hydrostatic drive (8) associated with a second rail-mounted travel unit (3). A drive pump (10) connected to a drive motor (9) is associated therewith. The motor (5) is designed to provide more power that what is required for driving the hydrodynamic drive (7). A pump distribution gear mechanism (11) is interposed between the motor (5) and the hydrodynamic drive (7), via which the drive pump (10) of the hydrostatic drive (8) can be connected. The occurs in accordance with a friction value μ between rails (18) and a wheel (19).

Description

Beschreibung  description
Schienenfahrzeug und Verfahren zum Betrieb eines Schienenfahrzeuges Rail vehicle and method for operating a rail vehicle
Gebiet der Technik Field of engineering
[01] Die Erfindung betrifft ein Schienenfahrzeug mit einem auf  The invention relates to a rail vehicle with a on
Schienenfahrwerken abgestützten Fahrzeugrahmen und einem von einem Motor angetriebenen, hydraulischen Antriebssystem, das einen einem ersten Schienenfahrwerk zugeordneten hydrodynamischen Antrieb, sowie einen einem zweiten Schienenfahrwerk zugeordneten hydrostatischen Antrieb, dem eine mit einem Fahrmotor verbundene Fahrpumpe zugeordnet ist, umfasst. Die Erfindung betrifft auch ein Verfahren zum Betrieb dieses Schienenfahrzeuges.  Rail chassis supported vehicle frame and a driven by a motor, hydraulic drive system comprising a hydrodynamic drive associated with a first rail chassis, and a hydrostatic drive associated with a second rail chassis, which is associated with a driving pump connected to a traction motor. The invention also relates to a method for operating this rail vehicle.
Stand der Technik State of the art
[02] Schienenfahrzeuge und Gleisbaumaschinen mit hydrodynamischem und / oder hydrostatischem Antrieb sind bereits hinlänglich bekannt. Die zum Betrieb derartiger Fahrzeuge notwendige Leistung ist das Produkt aus Zugkraft und Geschwindigkeit. Die Zugkraft ist wiederum von der Masse des Schienenfahrzeuges, der Anzahl der Achsen (gesamt bzw. angetrieben) sowie vom Reibwert zwischen Schiene und Rad abhängig.  Rail vehicles and track-laying machines with hydrodynamic and / or hydrostatic drive are already well known. The power required to operate such vehicles is the product of traction and speed. The tractive force is in turn dependent on the mass of the rail vehicle, the number of axles (total or driven) and the coefficient of friction between rail and wheel.
[03] So beschreibt WO 2015/128770 A1 ein Verfahren zum Betrieb eines  [03] Thus, WO 2015/128770 A1 describes a method for operating a
Schienenfahrzeuges und ein Schienenfahrzeug bei denen - wahlweise oder gemeinsam - sowohl ein hydrodynamisches als auch ein hydrostatisches, vom selben Motor angetriebenes Getriebe zum Einsatz kommen. Die  Rail vehicle and a rail vehicle in which - either or jointly - both a hydrodynamic and a hydrostatic, driven by the same engine gearbox are used. The
Anwendung der Getriebe erfolgt in Abhängigkeit von der  Application of the gearbox is done depending on the
Fahrgeschwindigkeit und der Reibung Schiene / Rad.  Driving speed and friction rail / wheel.
[04] Aus DE 24 09 333 A1 ist eine Rangierlokomotive bekannt, die wahlweise über ein hydrodynamisches oder ein hydrostatisches Getriebe betrieben werden kann. Zusammenfassung der Erfindung From DE 24 09 333 A1 a shunting locomotive is known, which can be operated either via a hydrodynamic or a hydrostatic transmission. Summary of the invention
[05] Der Erfindung liegt die Aufgabe zugrunde, ein Schienenfahrzeug und ein  [05] The invention is based on the object, a rail vehicle and a
Verfahren zu dessen Betrieb zu schaffen, mit denen eine optimale  To create a process for its operation, with which an optimal
Leistungsverteilung der Antriebe unter wechselnden Reibwerten zwischen Rad / Schiene erzielt werden kann.  Power distribution of the drives under varying coefficients of friction between wheel / rail can be achieved.
[06] Erfindungsgemäß wird diese Aufgabe dadurch gelöst, dass der Motor für eine höhere Leistungsabgabe - als für den Betrieb des hydrodynamischen Antriebes erforderlich ist - ausgebildet ist, und dass dem Motor und dem hydrodynamischen Antrieb ein Pumpenverteilgetriebe zwischengeschalten ist, über welches die Fahrpumpe des hydrostatischen Antriebes zuschaltbar ist.  According to the invention, this object is achieved in that the engine is designed for a higher power output - as required for the operation of the hydrodynamic drive - is formed, and that the motor and the hydrodynamic drive a pump distributor gear is interposed, via which the drive pump of the hydrostatic Drive is switchable.
[07] Diese Ausbildung gewährleistet eine sehr gute Übertragung der  [07] This training ensures a very good transfer of
Antriebsleistung auf die Schiene. Dabei wird besonders unter oft  Drive power to the rail. It is especially under often
wechselnden äußeren, weiter- und jahreszeitabhängigen Bedingungen und daraus resultierenden Änderungen des Reibwertes eine konstante  changing outer, further and season-dependent conditions and resulting changes in the coefficient of friction a constant
Leistungsübertragung erzielt. Regen, Schnee und Eis aber auch  Power transmission achieved. Rain, snow and ice but also
Verschmutzung durch Schlamm oder Herbstlaub verändern den Reibwert denkbar ungünstig. Durch das erfindungsgemäße Zuschalten des  Pollution by mud or autumn leaves change the coefficient of friction unfavorably. By the inventive connection of the
hydrostatischen Antriebes und Antrieb mehrerer Achsen wird ein  Hydrostatic drive and drive multiple axes is a
Durchdrehen aber auch ein Gleiten der Räder zuverlässig vermieden.  Spin but also reliably prevents sliding of the wheels.
[08] Eine sinnvolle Weiterbildung ist dadurch verwirklicht, dass dem  [08] A meaningful further education is realized by the fact that the
Pumpenverteilgetriebe mindestens eine weitere Hydraulikpumpe zum Betrieb mindestens eines weiteren Hydraulikantriebes für ein Arbeitsaggregat zugeordnet ist.  Pump distribution at least one additional hydraulic pump for operating at least one additional hydraulic drive for a working unit is assigned.
[09] Mit einer derartigen Ausbildung können verschiedene Arbeitsaggregate, wie  With such a configuration, various working aggregates, such as
Kran, Hebebühne, Pflug oder auch eine Schneefräse mit einem optimal für den Betrieb für das jeweilige Aggregat ausgelegten, hydraulischen Antrieb angetrieben werden. Der aus Pumpe und Motor bestehende Antrieb kann den speziellen Erfordernissen gemäß dimensioniert werden, sodass ein wirtschaftlicher und leistungsangepasster Betrieb gewährleistet ist.  Crane, lifting platform, plow or even a snowthrower with an optimally designed for the operation of the respective unit designed hydraulic drive. The drive consisting of pump and motor can be dimensioned according to the special requirements, so that an economical and performance-adjusted operation is guaranteed.
[10] Die Aufgabe der Erfindung wird auch durch die Anwendung eines Verfahrens bei einem erfindungsgemäßen Schienenfahrzeug gelöst, indem - in Abhängigkeit eines Reibungswertes μ zwischen Schiene und Rad - der hydrostatische Antrieb zugeschaltet bzw. weggeschaltet wird. The object of the invention is also solved by the application of a method in a rail vehicle according to the invention, by - Dependence of a friction value μ between rail and wheel - the hydrostatic drive is switched on or switched off.
[11] Eine besonders vorteilhafte Ausbildung des Verfahrens wird durch folgende  A particularly advantageous embodiment of the method is characterized by the following
Schritte erzielt: a) Feststellen eines sinkenden Reibwertes μ bei Betrieb mit hydrodynamischem Antrieb, b) Einschalten des hydrostatischen Antriebes durch Einkuppeln der Fahrpumpe und des zweiten Fahrmotors, c) Erhöhen der Leistung des Motors, d) Betrieb des Schienenfahrzeuges mit  Steps achieved: a) determining a sinking coefficient of friction μ when operating with hydrodynamic drive, b) switching on the hydrostatic drive by engaging the drive pump and the second drive motor, c) increasing the power of the engine, d) operation of the rail vehicle with
hydrodynamischem und hydrostatischem Antrieb, e) bei Überschreiten einer kritischen Geschwindigkeit Reduzierung der Leistung des Motors, f)  hydrodynamic and hydrostatic drive, e) if a critical speed is exceeded, the power of the motor is reduced, f)
Ausschalten des hydrostatischen Antriebes durch Auskuppeln der  Turn off the hydrostatic drive by disengaging the
Fahrpumpe und des Fahrmotors und g) Betrieb des Schienenfahrzeuges mit hydrodynamischem Antrieb.  Drive pump and the drive motor and g) operation of the rail vehicle with hydrodynamic drive.
[12] Derartige Verfahrensschritte ermöglichen einen zuverlässigen und sicheren  [12] Such process steps enable a reliable and safe
Betrieb des Schienenfahrzeuges, welcher nahezu unabhängig von den bereits genannten, erschwerten Bedingungen durchgeführt werden kann. Ein gleichzeitiges Erhöhen der Motorleistung und Aufteilung dieser Leistung auf den hydrodynamischen und den hydrostatischen Antrieb ermöglicht einen vom ungünstigen Reibwert weitgehend unbeeinflussten Betrieb des  Operation of the rail vehicle, which can be carried out almost independently of the already mentioned, more difficult conditions. A simultaneous increase in the engine power and distribution of this power on the hydrodynamic and the hydrostatic drive allows for the unfavorable coefficient of friction largely uninfluenced operation of the
Schienenfahrzeuges, wobei stets die erforderliche Adhäsion zwischen Schiene und Rad aufrechterhalten wird. Im höheren Geschwindigkeitsbereich ist eine erhöhte Motorleistung bzw. ein Antrieb auf mehrere Achsen nicht mehr erforderlich, deswegen kann das Schienenfahrzeug energiesparend wieder ausschließlich durch den hydrodynamischen Antrieb angetrieben werden.  Rail vehicle, while always maintaining the required adhesion between rail and wheel. In the higher speed range, an increased engine power or a drive on several axes is no longer required, so the rail vehicle can be energy-saving again driven solely by the hydrodynamic drive.
Kurze Beschreibung der Zeichnungen Brief description of the drawings
[13] Die Erfindung wird nachfolgend in beispielhafter Weise unter Bezugnahme auf die beigefügten Figuren erläutert. Es zeigen:  [13] The invention will now be described by way of example with reference to the accompanying drawings. Show it:
Fig. 1 eine schematische Seitenansicht eines Schienenfahrzeuges,  1 is a schematic side view of a rail vehicle,
Fig. 2 ein Antriebsschema des Schienenfahrzeuges und  Fig. 2 is a drive diagram of the rail vehicle and
Fig. 3 ein Geschwindigkeit / Zugkraftdiagramm. Beschreibung der Ausführungsformen Fig. 3 is a speed / tension diagram. Description of the embodiments
[14] In Fig. 1 ist ein als Gleisbaumaschine ausgebildetes Schienenfahrzeug 1 dargestellt. Dieses besteht im Wesentlichen aus einem auf einem ersten und einem zweiten Schienenfahrwerk 2, 3 abgestützten Fahrzeugrahmen 4. Das Schienenfahrzeug 1 weist ein von einem vorzugsweise als  [1] FIG. 1 shows a rail vehicle 1 designed as a track construction machine. This consists essentially of a supported on a first and a second rail chassis 2, 3 vehicle frame 4. The rail vehicle 1 has a preferably of a
Verbrennungskraftmaschine ausgebildeten Motor 5 angetriebenes  Internal combustion engine engine 5 engine
hydraulisches Antriebssystem 6 auf. Dieses umfasst einen dem ersten Schienenfahrwerk 2 zugeordneten hydrodynamischen Antrieb 7 und einen dem zweiten Schienenfahrwerk 3 zugeordneten hydrostatischen Antrieb 8. Letzterem ist - wie in Fig. 2 ersichtlich - eine mit einem Fahrmotor 9 verbundene Fahrpumpe 10 zugeordnet.  hydraulic drive system 6 on. This comprises a hydrodynamic drive 7 assigned to the first rail chassis 2 and a hydrostatic drive 8 assigned to the second rail chassis 3. The latter is associated, as can be seen in FIG. 2, with a traction motor 10 connected to a traction motor 9.
[15] Der Motor 5 ist für eine höhere Leistungsabgabe - als für den Betrieb des hydrodynamischen Antriebes 7 erforderlich ist - ausgebildet. Dem Motor 5 und dem hydrodynamischen Antrieb 7 ist ein Pumpenverteilgetriebe 11 zwischengeschalten. Über dieses ist die Fahrpumpe 10 des hydrostatischen Antriebes 8 zuschaltbar.  The motor 5 is designed for a higher power output - as required for the operation of the hydrodynamic drive 7 - formed. The motor 5 and the hydrodynamic drive 7 is a pump distributor 11 interposed. About this, the drive pump 10 of the hydrostatic drive 8 can be activated.
[16] Dem Pumpenverteilgetriebe 1 ist mindestens eine weitere Hydraulikpumpe  [16] The pump distributor 1 is at least one further hydraulic pump
12 zum Betrieb mindestens eines weiteren Hydraulikantriebes 13 für ein Arbeitsaggregat 14 zugeordnet. Beispiele für solche Arbeitsaggregate 14 wären Kran 15, Hebebühne 16 oder Schneefräse 17. Dabei kann die Anzahl der weiteren Hydraulikpumpen 12 insofern variieren, als dass entweder jedem Arbeitsaggregat 14 eine eigene Hydraulikpumpe 12 zugeordnet ist, oder dass eine Hydraulikpumpe 12 abwechselnd eines der Arbeitsaggregate 14 antreibt.  12 assigned to the operation of at least one further hydraulic drive 13 for a working unit 14. Examples of such working units 14 would be crane 15, lifting platform 16 or snowthrower 17. The number of further hydraulic pumps 12 may vary in that either each working unit 14 is assigned its own hydraulic pump 12, or that a hydraulic pump 12 alternately drives one of the working units 14 ,
[17] Im Folgenden wird der Betrieb des Schienenfahrzeugs 1 kurz beschrieben.  [17] In the following, the operation of the rail vehicle 1 will be briefly described.
Der Betrieb erfolgt in Abhängigkeit eines Reibwertes μ zwischen einer Schiene 18 und einem Rad 19, wobei der hydrostatische Antrieb 8 zugeschaltet oder weggeschaltet wird.  The operation takes place as a function of a coefficient of friction μ between a rail 18 and a wheel 19, wherein the hydrostatic drive 8 is switched on or switched off.
[18] Im Allgemeinen wird das Schienenfahrzeug 1 hauptsächlich mit dem  In general, the rail vehicle 1 is mainly with the
hydrodynamischen Antrieb 7 bewegt. Mit Hilfe einer Messvorrichtung 20 wird der sinkende Reibwert μ festgestellt. Daraufhin erfolgt ein manuelles oder automatisches Einschalten des hydrostatischen Antriebes 8 durch  hydrodynamic drive 7 moves. With the help of a measuring device 20, the decreasing coefficient of friction μ is detected. This is followed by a manual or automatic switching on of the hydrostatic drive 8
Einkuppeln der Fahrpumpe 10 und des Fahrmotors 9. Bei Erhöhung der Leistung des Motors 5 wird das Schienenfahrzeug 1 jetzt mit Engaging the drive pump 10 and the drive motor 9. When increasing the Power of the engine 5, the rail vehicle 1 is now with
hydrodynamischen und hydrostatischen Antrieb 7, 8 betrieben. Bei hydrodynamic and hydrostatic drive 7, 8 operated. at
Überschreiten einer kritischen Geschwindigkeit v« wird die Leistung des Motors 5 wieder reduziert und der hydrostatische Antrieb 8 ausgeschaltet. Dies geschieht durch Auskuppeln der Fahrpumpe 10 und des Fahrmotors 9. Danach wird das Schienenfahrzeug 1 wieder nur mit dem hydrodynamischen Antrieb 7 angetrieben. If a critical speed v "is exceeded, the power of the motor 5 is reduced again and the hydrostatic drive 8 is switched off. This is done by disengaging the drive pump 10 and the drive motor 9. Thereafter, the rail vehicle 1 is again driven only with the hydrodynamic drive 7.
Wie aus dem in Fig. 3 dargestellten Diagramm erkennbar ist, liegt die kritische Geschwindigkeit v« bei etwa 50 km/h. Bis zu diesem Wert ist ein kombinierter Antrieb (hydrodynamisch und hydrostatisch) unter  As can be seen from the diagram shown in Fig. 3, the critical velocity v «is about 50 km / h. Up to this value is a combined drive (hydrodynamic and hydrostatic) under
ausreichender Zugkraft Fz möglich. Bei höheren Geschwindigkeiten v genügt bereits ein Reibwert μ = 0,107 um die reduzierte Motorleistung über den hydrodynamischen Antrieb 7 einzusetzen. sufficient tensile force Fz possible. At higher speeds v, a coefficient of friction μ = 0.107 is sufficient to use the reduced engine power via the hydrodynamic drive 7.

Claims

Schutzansprüche protection claims
1. Schienenfahrzeug (1) mit einem auf Schienenfahrwerken (2, 3) abgestützten Fahrzeugrahmen (4) und einem von einem Motor (5) angetriebenen, 1. rail vehicle (1) with a rail frame (2, 3) supported vehicle frame (4) and one of a motor (5) driven,
hydraulischen Antriebssystem (6), das einen einem ersten Schienenfahrwerk (2) zugeordneten hydrodynamischen Antrieb (7), sowie einen einem zweiten hydraulic drive system (6) having a first rail chassis (2) associated hydrodynamic drive (7), and a second
Schienenfahrwerk (3) zugeordneten hydrostatischen Antrieb (8), dem eine mit einem Fahrmotor (9) verbundene Fahrpumpe (10) zugeordnet ist, umfasst, dadurch gekennzeichnet, dass der Motor (5) für eine höhere Rail drive (3) associated with hydrostatic drive (8), which is associated with a drive motor (9) connected drive pump (10) comprises, characterized in that the motor (5) for a higher
Leistungsabgabe - als für den Betrieb des hydrodynamischen Antriebes (7) erforderlich ist - ausgebildet ist, und dass dem Motor (5) und dem Power output - as is required for the operation of the hydrodynamic drive (7) - is formed, and that the engine (5) and the
hydrodynamischen Antrieb (7) ein Pumpenverteilgetriebe (11) hydrodynamic drive (7) a pump distribution gearbox (11)
zwischengeschalten ist, über welches die Fahrpumpe (10) des hydrostatischen Antriebes (8) zuschaltbar ist. is interposed, via which the drive pump (10) of the hydrostatic drive (8) can be switched.
2. Schienenfahrzeug (1) nach Anspruch 1 , dadurch gekennzeichnet, dass dem Pumpenverteilgetriebe (11) mindestens eine weitere Hydraulikpumpe (12) zum Betrieb mindestens eines weiteren Hydraulikantriebes (13) für ein 2. Rail vehicle (1) according to claim 1, characterized in that the Pumpenverteilgetriebe (11) at least one further hydraulic pump (12) for operating at least one further hydraulic drive (13) for a
Arbeitsaggregat (14) zugeordnet ist. Working unit (14) is assigned.
3. Verfahren zum Betrieb eines Schienenfahrzeuges (1) mit einem 3. A method for operating a rail vehicle (1) with a
hydraulischen Antriebssystem (6) gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass - in Abhängigkeit eines Reibwertes μ zwischen Schiene (18) und Rad (19) - der hydrostatische Antrieb (8) zugeschaltet bzw. Hydraulic drive system (6) according to claim 1 or 2, characterized in that - depending on a coefficient of friction μ between rail (18) and wheel (19) - the hydrostatic drive (8) is switched on or
weggeschaltet wird. is switched off.
4. Verfahren nach Anspruch 3, gekennzeichnet durch folgende Schritte, a) Feststellen eines sinkenden Reibwertes μ bei Betrieb mit hydrodynamischem Antrieb (7), 4. The method according to claim 3, characterized by the following steps, a) determining a decreasing coefficient of friction μ during operation with hydrodynamic drive (7),
b) Einschalten des hydrostatischen Antriebes (7) durch Einkuppeln der b) switching on the hydrostatic drive (7) by engaging the
Fahrpumpe (10) und des Fahrmotors (9), Driving pump (10) and the driving motor (9),
c) Erhöhen der Leistung des Motors (5), c) increasing the power of the engine (5),
d) Betrieb des Schienenfahrzeuges (1) mit hydrodynamischem und d) operation of the rail vehicle (1) with hydrodynamic and
hydrostatischem Antrieb (7, 8), hydrostatic drive (7, 8),
e) bei Überschreiten einer kritischen Geschwindigkeit VK Reduzierung der Leistung des Motors (5), e) when a critical speed VK is exceeded, the power of the engine (5) is reduced,
f) Ausschalten des hydrostatischen Antriebes (8) durch Auskuppeln der Fahrpumpe (10) und des Fahrmotors (9) und f) switching off the hydrostatic drive (8) by disengaging the drive pump (10) and the drive motor (9) and
g) Betrieb des Schienenfahrzeuges (1) mit hydrodynamischem Antrieb (7). g) operation of the rail vehicle (1) with hydrodynamic drive (7).
EP17726541.0A 2016-06-21 2017-05-26 Rail vehicle and method for operating a rail vehicle Active EP3472018B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATGM148/2016U AT15564U1 (en) 2016-06-21 2016-06-21 Rail vehicle and method for operating a rail vehicle
PCT/EP2017/000625 WO2017220182A1 (en) 2016-06-21 2017-05-26 Rail vehicle and method for operating a rail vehicle

Publications (2)

Publication Number Publication Date
EP3472018A1 true EP3472018A1 (en) 2019-04-24
EP3472018B1 EP3472018B1 (en) 2020-07-15

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EP (1) EP3472018B1 (en)
JP (1) JP6877468B2 (en)
CN (1) CN109562766B (en)
AT (1) AT15564U1 (en)
CA (1) CA3022474A1 (en)
EA (1) EA036624B1 (en)
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WO (1) WO2017220182A1 (en)

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AT17665U1 (en) 2020-12-28 2022-10-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Rail vehicle and method for operating the rail vehicle

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JP2019527161A (en) 2019-09-26
AT15564U1 (en) 2018-01-15
ES2813608T3 (en) 2021-03-24
CN109562766B (en) 2020-07-07
US20190144008A1 (en) 2019-05-16
CA3022474A1 (en) 2017-12-28
JP6877468B2 (en) 2021-05-26
EP3472018B1 (en) 2020-07-15
EA201800532A1 (en) 2019-05-31
WO2017220182A1 (en) 2017-12-28
CN109562766A (en) 2019-04-02
US11091177B2 (en) 2021-08-17
EA036624B1 (en) 2020-12-01

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