EP0598353A1 - Running gear for low-platform trains - Google Patents

Running gear for low-platform trains Download PDF

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Publication number
EP0598353A1
EP0598353A1 EP93118334A EP93118334A EP0598353A1 EP 0598353 A1 EP0598353 A1 EP 0598353A1 EP 93118334 A EP93118334 A EP 93118334A EP 93118334 A EP93118334 A EP 93118334A EP 0598353 A1 EP0598353 A1 EP 0598353A1
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EP
European Patent Office
Prior art keywords
chassis
rocker
running gear
undercarriage
stool
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
EP93118334A
Other languages
German (de)
French (fr)
Other versions
EP0598353B1 (en
Inventor
Guido Bieker
Herbert Büdenbender
René TUTZAUER
Alfred Lohmann
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.)
Daimlerchrysler Rail Systems abb Flaekt GmbH GmbH
Original Assignee
ABB Henschel Waggon Union GmbH
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Publication date
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Application filed by ABB Henschel Waggon Union GmbH filed Critical ABB Henschel Waggon Union GmbH
Publication of EP0598353A1 publication Critical patent/EP0598353A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D13/00—Tramway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F3/00—Types of bogies
    • B61F3/16—Types of bogies with a separate axle for each wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
    • B61F5/302—Leaf springs

Definitions

  • the invention relates to a chassis for low-floor railways with a chassis frame, on which individual wheels are rotatably supported via a rocker and the rocker is articulated and is supported by primary springs, the connection of the chassis frame to the carriage of the low-floor train via two at a distance from each other on a cross member of the chassis frame articulated link rods, which are also articulated to the car body, the car body of the low-floor railway is supported by secondary springs on the chassis frame, which are mounted near the cross ends on the cross member and with transverse stops arranged in the cross member at a distance from each other the transverse movement of the Limit the car body in relation to the chassis.
  • EP 03 84 512 discloses a chassis in which the frame of the chassis is approximately H-shaped with a double cross member.
  • the double cross members are connected to one another at their cross ends by outer longitudinal members, which project slightly beyond the double cross members in the longitudinal direction of the chassis.
  • a vertically and horizontally transversely movable cradle cross member is arranged between the double cross members.
  • This cradle cross member is suspended at its cross ends via pendulums in secondary springs, which are supported on the outer side members of the chassis.
  • the cradle crossmember has a center mount for the trolley body pivot. Counter bearings are provided on both sides of the receptacle for the trunnion in the transverse direction of the chassis, via which the car body is supported when cornering.
  • the outer longitudinal members of the undercarriage frame carry individual wheels near the longitudinal ends of the swingarms, the swingarms being articulated to the outer longitudinal members and the swingarms being supported against one another and on the undercarriage frame via primary springs.
  • a disadvantage of this aforementioned embodiment is the arrangement of a cradle cross member and its suspension on the secondary springs, which on the one hand represents a complex construction and on the other hand requires such a large height in the area between the individual wheels of a longitudinal side of the chassis that the low-floor area of the low-floor track is considerable, at least in this area is impaired and cross seats cannot be arranged.
  • Another disadvantage of this known construction is that additional anti-roll dampers which reduce the economy of the undercarriage are required due to the guidance of the undercarriage on the car body by means of a pivot for use in low-floor railways.
  • Undercarriages with individual wheels are also known from EP 01 29 772. With this undercarriage, the individual wheels are also mounted on the frame of the undercarriage via rockers. However, the undercarriage of this prior publication builds so high in the area between the wheels of a longitudinal side of the undercarriage that it cannot be used for low-floor railways with a continuous carriage floor.
  • swingarms for the articulation of wheel axles for rail traffic are also known, in which the swingarms are supported by springs on the bogie frame.
  • the present invention was based on the task of creating undercarriages for low-floor railways in which the low-floor nature of the car body is completely retained and only wheel arches are present in the area of the wheels in the undercarriage which protrude into the car body and which are arranged under seats in such a way that the walk-on wagon floor can be formed continuously, a further object of the invention being to arrange the wheels of the undercarriage in a steerable manner.
  • this object is achieved in that the rocker is mounted on a horizontal axis arranged in the transverse direction of the chassis on a stool which is articulated to the chassis frame about a vertical axis.
  • This inventive design of the undercarriage keeps both the area between the individual wheels in the transverse direction of the undercarriage and the area between the individual wheels of a longitudinal side of the undercarriage free of high-rise elements.
  • the wagon body of the low-floor railway can thus be designed continuously except for the wheel arches and without annoying gradation.
  • Another advantage of the invention is that the individual wheels are horizontally pivoted on the chassis frame and thus can be expected in the tight bends occurring in city traffic with a significant reduction in wheel-rail wear and noise reduction.
  • the horizontal pivotability of the stool relative to the undercarriage frame is advantageously cushioned and / or damped by springs and / or dampers arranged between the stool and undercarriage frame.
  • the arrangement of the springs and / or dampers prevents the wheels from fluttering horizontally and restores the stool with the single wheel in the straight-ahead position.
  • the primary spring is designed as a leaf support spring, 2 leaf support springs being provided for each individual wheel and arranged in the longitudinal direction of the chassis on both sides of the wheel tire between the rocker arm and the footrest. Due to the arrangement and design of the primary spring as a leaf support spring between the rocker and the stool, a low overall height is achieved, which is advantageous for the low-floor design of the car body.
  • the rocker is open in cross section at the bottom, U-shaped, an axis for the single wheel being fixedly arranged in the side cheeks of the rockers. Due to this constructive design of the rocker and the fixed arrangement of the axle in the side cheeks of the rocker, the rocker is designed as a statically rigid component, which in turn has an advantageous effect on the driving properties.
  • the stool can be blocked with respect to the chassis by rigid elements arranged between the chassis frame and the stool.
  • the individual wheels of the undercarriage are each pivotable and blocked in pairs.
  • the blocking of two adjacent individual wheels of the undercarriage can under certain circumstances be advantageous in the case of a low-floor railway, which consists of several links, each of which is supported by one or more undercarriages, than higher speeds can be achieved with blocked individual wheels of the middle undercarriages when driving straight ahead are.
  • the stool or rocker arms or axles of the individual wheels arranged next to each other are advantageously connected by an axle bridge, the axle bridge being articulated in one embodiment variant and the axle bridge being fixedly arranged between stool or swing arms or axles of the individual wheels arranged next to one another in a further embodiment of the invention.
  • the axis is further designed in the region of the side cheeks of the rocker as a polygonal shaft and is fixedly supported in the side cheeks.
  • the stools (4) are of an angular design and are articulated with their vertical legs on the bearing (3) of the bracket (2).
  • Each stool (4) has a horizontal bearing (6) on its vertical leg, in which a rocker (7) is mounted so that it can move vertically.
  • the rocker (7) which is U-shaped in cross-section open at the bottom, carries in its legs (7a) a horizontal axis (8) on which the single wheel (9) is rotatably mounted.
  • the axis (8) is designed in the region of the legs (7a) of the rocker (7) as a polygonal shaft and clamped firmly in the legs (7a).
  • a leaf support spring (10) is arranged on both sides of the single wheel (9), which on the other hand is supported against the underside of the free horizontal leg of the stool (4).
  • An axle bridge (12) is arranged between the bolsters (4), the rockers (7) or the axles (8) of the adjacent individual wheels (9), which is also articulated on the bolsters (4) in the case of hinged bolsters (4), the wings (7) or the axes (8) is attached.
  • the axle bridge (12) can be fixed to the stool (4), the rocker arm (7) or the Axes (8) can be arranged.
  • the stool (4) is blocked with respect to the cross member (1) by measures that are not essential to the invention, for example by welding or installing rigid elements.
  • horizontal transverse movements of the stool (4) with respect to the cross member (1) are cushioned or damped by springs (13) and dampers (14) which are fastened on the one hand to the stool and on the other hand to the cross member.
  • the car body is supported vertically on the secondary springs (15) of the chassis. These secondary springs (15) are mounted in pockets (16) near the cross ends of the cross member (1).
  • articulated rods (17) are attached at a distance from each other, which are also articulated at the other end to the car body.
  • the bearings of the link rods (17) are spherical.
  • cross stops (18) are provided at a distance from one another in the cross member (1), which interact with corresponding counter bearings of the car body and limit the transverse deflection of the car body relative to the undercarriage.
  • Shock absorbers (19) fastened between the cross member (1) of the chassis frame and the car body serve to improve the running behavior.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Handcart (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention relates to a running gear for low-platform trains with a running gear frame on which individual wheels (9) are rotatably mounted by means of one rocker (7) each and the rocker (7) is attached in an articulated fashion supporting itself by means of primary springs, the attachment of the running gear frame to the wagon body of the low-platform train being effected by two coupling rods (17) which are mounted at a distance from one another on a crossmember (1) of the running gear frame in an articulated fashion and, on the other hand, are also attached to the wagon body in an articulated fashion, the wagon body being supported on the running gear frame by means of secondary springs (15) which are mounted in pockets (16) near to the transverse ends of the crossmember (1). Transverse stops (18) which are arranged at a distance from one another in the crossmember (1) bound the transverse movement of the wagon body with respect to the running gear. The object of the invention consists in constructing the running gear in such a way that the area of the wagon body which can be walked on is continuously at a low-platform level and the wheels of the running gear can be arranged in a steerable fashion. This object is achieved in that the rocker (7) is mounted on a horizontal axle (6) arranged in the transverse direction of the running gear on a swivelling bolster (4), the said swivelling bolster (4) being attached to the running gear frame so as to be articulated about a vertical axis. <IMAGE>

Description

Die Erfindung betrifft ein Fahrwerk für Niederflurbahnen mit einem Fahrwerkrahmen, an dem Einzelräder über je eine Schwinge drehbar gelagert sind und die Schwinge gelenkig und sich über Primärfedern abstützend befestigt ist, wobei die Anbindung des Fahrwerkrahmens am Wagenkasten der Niederflurbahn über zwei mit Abstand zueinander an einem Querträger des Fahrwerkrahmens gelenkig gelagerte Anlenkstangen erfolgt, die andererseits ebenfalls gelenkig am Wagenkasten befestigt sind, wobei der Wagenkasten der Niederflurbahn über Sekundärfedern auf dem Fahrwerkrahmen abgestützt ist, die nahe den Querenden auf dem Querträger gelagert sind und wobei im Querträger mit Abstand zueinander angeordnete Queranschläge die Querbewegung des Wagenkasten gegenüber dem Fahrwerk begrenzen.The invention relates to a chassis for low-floor railways with a chassis frame, on which individual wheels are rotatably supported via a rocker and the rocker is articulated and is supported by primary springs, the connection of the chassis frame to the carriage of the low-floor train via two at a distance from each other on a cross member of the chassis frame articulated link rods, which are also articulated to the car body, the car body of the low-floor railway is supported by secondary springs on the chassis frame, which are mounted near the cross ends on the cross member and with transverse stops arranged in the cross member at a distance from each other the transverse movement of the Limit the car body in relation to the chassis.

Durch die EP 03 84 512 ist ein Fahrwerk bekannt, bei dem der Rahmen des Fahrwerks etwa H-förmig mit Doppelquerträger ausgebildet ist. Die Doppelquerträger sind an ihren Querenden durch Außenlangträger miteinander verbunden, die geringfügig die Doppelquerträger in Fahrwerklängsrichtung überragen. Zwischen den Doppelquerträgern ist ein vertikal und horizontal quer beweglicher Wiegenquerträger angeordnet. Dieser Wiegenquerträger ist an seinen Querenden über Pendel in Sekundärfedern aufgehängt, die auf den Außenlangträgern des Fahrwerks abgestützt sind. Der Wiegenquerträger trägt mittig eine Aufnahme für den Drehzapfen des Wagenkastens. Beidseitig der Aufnahme für den Drehzapfen sind in Fahrwerkquerrichtung auf dem Wiegenquerträger Gegenlager vorgesehen, über die sich der Wagenkasten bei Kurvenfahrt abstützt.EP 03 84 512 discloses a chassis in which the frame of the chassis is approximately H-shaped with a double cross member. The double cross members are connected to one another at their cross ends by outer longitudinal members, which project slightly beyond the double cross members in the longitudinal direction of the chassis. A vertically and horizontally transversely movable cradle cross member is arranged between the double cross members. This cradle cross member is suspended at its cross ends via pendulums in secondary springs, which are supported on the outer side members of the chassis. The cradle crossmember has a center mount for the trolley body pivot. Counter bearings are provided on both sides of the receptacle for the trunnion in the transverse direction of the chassis, via which the car body is supported when cornering.

Die Außenlangträger des Fahrwerkrahmens tragen nahe ihren Längsenden an Schwingen Einzelräder, wobei die Schwingen an den Außenlangträgern gelenkig befestigt sind und die Schwingen sich über Primärfedern gegeneinander und am Fahrwerkrahmen abstützen.The outer longitudinal members of the undercarriage frame carry individual wheels near the longitudinal ends of the swingarms, the swingarms being articulated to the outer longitudinal members and the swingarms being supported against one another and on the undercarriage frame via primary springs.

Nachteilig bei dieser vorgenannten Ausführung ist die Anordnung eines Wiegenquerträgers und dessen Aufhängung an den Sekundärfedern, die zum einen eine aufwendige Bauweise darstellt und zum anderen im Bereich zwischen den Einzelrädern einer Fahrwerklängsseite eine so große Bauhöhe fordert, daß die Niederflurigkeit der Niederflurbahn zumindest in diesem Bereich erheblich beeinträchtigt wird und Quersitze nicht angeordnet werden können. Ein weiterer Nachteil dieser vorbekannten Konstruktion besteht darin, daß durch die Führung des Fahrwerks am Wagenkasten mittels eines Drehzapfens für die Anwendung bei Niederflurbahnen zusätzliche Schlingerdämpfer erforderlich sind, die die Wirtschaftlichkeit des Fahrwerks mindern.A disadvantage of this aforementioned embodiment is the arrangement of a cradle cross member and its suspension on the secondary springs, which on the one hand represents a complex construction and on the other hand requires such a large height in the area between the individual wheels of a longitudinal side of the chassis that the low-floor area of the low-floor track is considerable, at least in this area is impaired and cross seats cannot be arranged. Another disadvantage of this known construction is that additional anti-roll dampers which reduce the economy of the undercarriage are required due to the guidance of the undercarriage on the car body by means of a pivot for use in low-floor railways.

Fahrwerke mit Einzelrädern sind weiter aus der EP 01 29 772 bekannt. Bei diesem Fahrwerk sind die Einzelräder ebenfalls über Schwingen am Rahmen des Fahrwerks gelagert. Das Fahrwerk dieser Vorveröffentlichung baut jedoch im Bereich zwischen den Rädern einer Fahrwerklängsseite so hoch, daß es für Niederflurbahnen mit durchgängigem Wagenboden nicht anwendbar ist.Undercarriages with individual wheels are also known from EP 01 29 772. With this undercarriage, the individual wheels are also mounted on the frame of the undercarriage via rockers. However, the undercarriage of this prior publication builds so high in the area between the wheels of a longitudinal side of the undercarriage that it cannot be used for low-floor railways with a continuous carriage floor.

Einzelräder für Fahrwerke für den U-Bahn-Verkehr sind weiter aus der DE/OS 35 38 513 für sich bekannt. Bei dieser Vorveröffentlichung sind die Einzelräder über Schwingen am Wagenkasten aufgehängt.Single wheels for undercarriages for underground transport are further known from DE / OS 35 38 513. In this prior publication, the individual wheels are suspended from the body by means of rockers.

Aus der Praxis sind weiter Schwingen für die Anlenkung von Radachsen für den Bahnverkehr bekannt, bei denen die Schwingen über Federn am Drehgestellrahmen abgestützt sind.In practice, swingarms for the articulation of wheel axles for rail traffic are also known, in which the swingarms are supported by springs on the bogie frame.

Vorliegender Erfindung lag die Aufgabe zugrunde, Fahrwerke für Niederflurbahnen zu schaffen, bei denen die Niederflurigkeit des Wagenkastens vollständig erhalten bleibt und wobei lediglich Radkästen im Bereich der Räder im Fahrwerk vorhanden sind, die in den Wagenkasten ragen und die so unter Sitzen angeordnet werden, daß der begehbare Wagenboden durchgängig ausgebildet werden kann, wobei eine weitere Aufgabe der Erfindung darin bestand, die Räder des Fahrwerks lenkbar anzuordnen.The present invention was based on the task of creating undercarriages for low-floor railways in which the low-floor nature of the car body is completely retained and only wheel arches are present in the area of the wheels in the undercarriage which protrude into the car body and which are arranged under seats in such a way that the walk-on wagon floor can be formed continuously, a further object of the invention being to arrange the wheels of the undercarriage in a steerable manner.

Gemäß der Erfindung wird diese Aufgabe dadurch gelöst, daß die Schwinge an einer horizontalen, in Fahrwerkquerrichtung angeordneten Achse an einem Schemel gelagert ist, der um eine vertikale Achse gelenkig an dem Fahrwerkrahmen befestigt ist. Durch diese erfindungsgemäße Ausbildung des Fahrwerks wird sowohl der Bereich zwischen den Einzelrädern in Fahrwerkquerrichtung als auch der Bereich zwischen den Einzelrädern einer Fahrwerklängsseite von hochbauenden Elementen freigehalten. Der Wagenkasten der Niederflurbahn kann somit bis auf die Radkästen durchgängig und ohne störende Abstufung ausgebildet werden. Ein weiterer Vorteil der Erfindung besteht darin, daß die Einzelräder horizontal schwenkbar am Fahrwerkrahmen angeordnet sind und somit bei den im Stadtverkehr vorkommenden engen Kurven mit erheblicher Reduzierung des Rad-Schiene-Verschleißes und einer Geräuschminimierung zu rechnen ist.According to the invention, this object is achieved in that the rocker is mounted on a horizontal axis arranged in the transverse direction of the chassis on a stool which is articulated to the chassis frame about a vertical axis. This inventive design of the undercarriage keeps both the area between the individual wheels in the transverse direction of the undercarriage and the area between the individual wheels of a longitudinal side of the undercarriage free of high-rise elements. The wagon body of the low-floor railway can thus be designed continuously except for the wheel arches and without annoying gradation. Another advantage of the invention is that the individual wheels are horizontally pivoted on the chassis frame and thus can be expected in the tight bends occurring in city traffic with a significant reduction in wheel-rail wear and noise reduction.

Vorteilhaft ist die horizontale Schwenkbarkeit des Schemels gegenüber dem Fahrwerkrahmen durch zwischen Schemel und Fahrwerkrahmen angeordnete Federn und/oder Dämpfer abgefedert und/oder gedämpft. Durch die Anordnung der Federn und/oder Dämpfer wird ein horizontales Flattern der Räder vermieden und eine Rückstellung des Schemels mit dem Einzelrad in Geradeausstellung erreicht.The horizontal pivotability of the stool relative to the undercarriage frame is advantageously cushioned and / or damped by springs and / or dampers arranged between the stool and undercarriage frame. The arrangement of the springs and / or dampers prevents the wheels from fluttering horizontally and restores the stool with the single wheel in the straight-ahead position.

Gemäß einer vorteilhaften Ausgestaltung der Erfindung ist die Primärfeder als Blatttragfeder ausgebildet, wobei für jedes Einzelrad 2 Blattragfedern vorgesehen sind, die in Fahrwerklängsrichtung beidseitig des Radreifens zwischen Schwinge und Schemel angeordnet sind. Durch die Anordnung und Ausbildung der Primärfeder als Blatttragfeder zwischen Schwinge und Schemel wird eine geringe Bauhöhe erreicht, die für die Niederflurigkeit des Wagenkastens vorteilhaft ist.According to an advantageous embodiment of the invention, the primary spring is designed as a leaf support spring, 2 leaf support springs being provided for each individual wheel and arranged in the longitudinal direction of the chassis on both sides of the wheel tire between the rocker arm and the footrest. Due to the arrangement and design of the primary spring as a leaf support spring between the rocker and the stool, a low overall height is achieved, which is advantageous for the low-floor design of the car body.

Gemäß der Erfindung ist die Schwinge im Querschnitt nach unten offen, U-förmig ausgebildet, wobei in den Seitenwangen der Schwingen eine Achse für das Einzelrad fest angeordnet ist. Durch diese konstruktive Ausbildung der Schwinge und die feste Anordnung der Achse in den Seitenwangen der Schwinge ist die Schwinge als statisch steifes Bauteil ausgebildet, was sich wiederum vorteilhaft auf die Fahreigenschaften auswirkt.According to the invention, the rocker is open in cross section at the bottom, U-shaped, an axis for the single wheel being fixedly arranged in the side cheeks of the rockers. Due to this constructive design of the rocker and the fixed arrangement of the axle in the side cheeks of the rocker, the rocker is designed as a statically rigid component, which in turn has an advantageous effect on the driving properties.

Gemäß einer Ausführung der Erfindung ist der Schemel gegenüber dem Fahrwerk durch zwischen Fahrwerkrahmen und Schemel angeordnete starre Elemente blockierbar.According to one embodiment of the invention, the stool can be blocked with respect to the chassis by rigid elements arranged between the chassis frame and the stool.

Gemäß einer weiteren Ausführung der Erfindung sind die Einzelräder des Fahrwerks jeweils paarweise schwenkbar und blockiert angeordnet. Das Blockieren von zwei nebeneinander liegenden Einzelrädern des Fahrwerks kann unter Umständen bei einer Niederflurbahn, die aus mehreren Gliedern besteht, die jeweils von einem oder mehreren Fahrwerken getragen werden, in sofern von Vorteil sein, als mit blockierten Einzelrädern der mittleren Fahrwerke bei Geradeausfahrt höhere Geschwindigkeiten erzielbar sind.According to a further embodiment of the invention, the individual wheels of the undercarriage are each pivotable and blocked in pairs. The blocking of two adjacent individual wheels of the undercarriage can under certain circumstances be advantageous in the case of a low-floor railway, which consists of several links, each of which is supported by one or more undercarriages, than higher speeds can be achieved with blocked individual wheels of the middle undercarriages when driving straight ahead are.

Vorteilhaft sind die Schemel oder Schwingen oder Achsen der nebeneinader angeordneten Einzelrädern durch eine Achsbrücke verbunden, wobei bei einer Ausführungsvariante der Erfindung die Achsbrücke gelenkig und bei einer weiteren Ausführung der Erfindung die Achsbrücke fest zwischen Schemel oder Schwingen oder Achsen der nebeneinander angeordneten Einzelräder angeordnet ist.The stool or rocker arms or axles of the individual wheels arranged next to each other are advantageously connected by an axle bridge, the axle bridge being articulated in one embodiment variant and the axle bridge being fixedly arranged between stool or swing arms or axles of the individual wheels arranged next to one another in a further embodiment of the invention.

Gemäß einer vorteilhaften Ausgestalltung der Erfindung ist die Achse weiter im Bereich der Seitenwangen der Schwinge als Vielkantwelle ausgebildet und in den Seitenwangen fest gelagert.According to an advantageous embodiment of the invention, the axis is further designed in the region of the side cheeks of the rocker as a polygonal shaft and is fixedly supported in the side cheeks.

Einzelheiten der Erfindung sind in der Zeichnung anhand eines Ausführungsbeispiels der Erfindung erläutert.Details of the invention are explained in the drawing using an exemplary embodiment of the invention.

Es zeigen

Fig 1
die Draufsicht auf ein Fahrwerk gemäß der Erfindung
Fig 2
die Seitenansicht des Fahrwerks nach Fig 1
Fig 3
die Stirnansicht des Fahrwerks nach Fig 1
Fig 4
die Ansicht nach IV der Fig 1 in vergrößerter Darstellung
Fig 5
die Draufsicht auf die Darstellung nach Fig 4
Der Fahrwerkrahmen des erfindungsgemäßen Fahrwerks besteht im wesentlichen aus dem Querträger (1). Der Querträger (1) ist dabei in Kastenbauweise flachbauend ausgebildet. Nahe den Querenden des Querträgers (1) sind nach oben weisend Konsolen (2) fest angeordnet, die auf ihrer Außenseite vertikale Lager (3) zur Aufnahme von Schemeln (4) tragen.Show it
Fig. 1
the top view of a chassis according to the invention
Fig. 2
the side view of the chassis of Fig. 1st
Fig 3
the front view of the chassis according to Fig. 1st
Fig. 4
the view of IV of FIG 1 in an enlarged view
Fig. 5
the top view of the representation of FIG. 4th
The undercarriage of the undercarriage according to the invention essentially consists of the cross member (1). The cross member (1) is flat in box construction. Near the cross ends of the crossmember (1), upward-facing brackets (2) are arranged, which have vertical bearings (3) on their outside for receiving stools (4).

Die Schemel (4) sind winkelförmig ausgebildet und mit ihrem vertikalen Schenkel gelenkig an dem Lager (3) des Konsols (2) gelagert. Jeder Schemel (4) weist an seinem vertikalen Schenkel ein horizontales Lager (6) auf, in dem eine Schwinge (7) vertikal beweglich gelagert ist. Die Schwinge (7), die im Querschnitt U-förmig nach unten offen ausgebildet ist, trägt in ihren Schenkeln (7a) fest eine horizontale Achse (8), auf der das Einzelrad (9) drehbar gelagert ist. Die Achse (8) ist dabei im Bereich der Schenkel (7a) der Schwinge (7) als Vielkantwelle ausgebildet und fest in den Schenkeln (7a) eingespannt.The stools (4) are of an angular design and are articulated with their vertical legs on the bearing (3) of the bracket (2). Each stool (4) has a horizontal bearing (6) on its vertical leg, in which a rocker (7) is mounted so that it can move vertically. The rocker (7), which is U-shaped in cross-section open at the bottom, carries in its legs (7a) a horizontal axis (8) on which the single wheel (9) is rotatably mounted. The axis (8) is designed in the region of the legs (7a) of the rocker (7) as a polygonal shaft and clamped firmly in the legs (7a).

Oben auf der Schwinge (7) ist beidseitig des Einzelrades (9) je eine Blatttragfeder (10) angeordnet, die sich andererseits gegen die Unterseite des freien horizontalen Schenkels des Schemels (4) abstützt. Zwischen Schemel (4) und Schwinge (7) angeordnete Dämpfer (11) dämpfen die Vertikalbewegungen des Einzelrades (9). Zwischen den Schemeln (4), den Schwingen (7) oder den Achsen (8) der benachbarten Einzelräder (9) ist je eine Achsbrücke (12) angeordnet, die bei gelenkig gelagerten Schemeln (4) ebenfalls gelenkig an den Schemeln (4), den Schwingen (7) oder den Achsen (8) befestigt ist.On top of the rocker (7) a leaf support spring (10) is arranged on both sides of the single wheel (9), which on the other hand is supported against the underside of the free horizontal leg of the stool (4). Dampers (11) arranged between the stool (4) and the rocker (7) dampen the vertical movements of the single wheel (9). An axle bridge (12) is arranged between the bolsters (4), the rockers (7) or the axles (8) of the adjacent individual wheels (9), which is also articulated on the bolsters (4) in the case of hinged bolsters (4), the wings (7) or the axes (8) is attached.

Bei einem nicht dargestellten Ausführungsbeispiel der Erfindung, bei dem die Schemel (4) gegenüber dem Querträger (1) blockiert, d. h. nicht schwenkbar angeordnet sind, kann die Achsbrücke (12) fest an den Schemeln (4), den Schwingen (7) oder den Achsen (8) angeordnet sein. Bei diesem Ausführungsbeispiel der Erfindung erfolgt das Blockieren der Schemel (4) gegenüber dem Querträger (1) durch erfindungsunwesentliche Maßnahmen, beispielsweise durch Anschweißen oder Einbau von starren Elementen.In an embodiment of the invention, not shown, in which the stool (4) is blocked relative to the cross member (1), that is to say is not arranged pivotably, the axle bridge (12) can be fixed to the stool (4), the rocker arm (7) or the Axes (8) can be arranged. In this exemplary embodiment of the invention, the stool (4) is blocked with respect to the cross member (1) by measures that are not essential to the invention, for example by welding or installing rigid elements.

Bei dem in der Zeichnung dargestellten Ausfürhungsbeispiels werden horizontale Querbewegungen des Schemels (4) gegenüber dem Querträger (1) durch Federn (13) und Dämpfern (14), die einerseits an dem Schemel und andererseits an dem Querträger befestigt sind, abgefedert bzw. gedämpft.In the exemplary embodiment shown in the drawing, horizontal transverse movements of the stool (4) with respect to the cross member (1) are cushioned or damped by springs (13) and dampers (14) which are fastened on the one hand to the stool and on the other hand to the cross member.

Der nicht dargestellte Wagenkasten ist vertikal auf den Sekundärfedern (15) des Fahrwerks abgestützt. Diese Sekundärfedern (15) sind in Taschen (16) nahe den Querenden den Querträgers (1) gelagert. An dem Querträger (1) des Fahrwerkrahmens sind mit Abstand zueinander gelenkig Anlenkstangen (17) befestigt, die mit ihrem anderen Ende ebenfalls gelenkig am Wagenkasten angelenkt sind. Die Lager der Anlenkstangen (17) sind dabei sphärisch ausgebildet.The car body, not shown, is supported vertically on the secondary springs (15) of the chassis. These secondary springs (15) are mounted in pockets (16) near the cross ends of the cross member (1). On the cross member (1) of the chassis frame articulated rods (17) are attached at a distance from each other, which are also articulated at the other end to the car body. The bearings of the link rods (17) are spherical.

Nahe der Fahrwerkquermitte sind weiter mit Abstand zueinander im Querträger (1) Queranschläge (18) vorgesehen, die mit entsprechenden Gegenlagern des Wagenkastens zusammen wirken und den Querausschlag des Wagenkastens gegenüber dem Fahrwerk begrenzen. Zwischen dem Querträger (1) des Fahrwerkrahmens und dem Wagenkasten befestigte Stoßdämpfer (19) dienen der Verbesserung des Laufverhaltens.Near the center of the undercarriage, cross stops (18) are provided at a distance from one another in the cross member (1), which interact with corresponding counter bearings of the car body and limit the transverse deflection of the car body relative to the undercarriage. Shock absorbers (19) fastened between the cross member (1) of the chassis frame and the car body serve to improve the running behavior.

Claims (9)

Fahrwerk für Niederflurbahnen mit einem Fahrwerkrahmen, an dem Einzelräder (9) über je eine Schwinge (7) drehbar gelagert sind und die Schwinge (7) gelenkig und sich über Primärfedern abstützend befestigt ist, wobei die Anbindung des Fahrwerkrahmens am Wagenkasten der Niederflurbahn über zwei mit Abstand zueinander an einem Querträger (1) des Fahrwerkrahmens gelenkig gelagerte Anlenkstangen (17) erfolgt, die andererseits ebenfalls gelenkig am Wagenkasten befestigt sind, wobei der Wagenkasten über Sekundärfedern (15) auf dem Fahrwerkrahmen abgestützt ist, die in Taschen (16) nahe den Querenden des Querträgers (1) gelagert sind und wobei im Querträger (1) mit Abstand zueinander angeordnete Queranschläge (18) die Querbewegung des Wagenkastens gegenüber dem Fahrwerk begrenzen, dadurch gekennzeichnet, daß die Schwinge (7) an einer horizontalen, in Fahrwerkquerrichtung angeordneten Achse (6) an einem Schemel (4) gelagert ist, der um eine vertikale Achse gelenkig an dem Fahrwerkrahmen befestigt ist.Undercarriage for low-floor railways with a chassis frame on which individual wheels (9) are rotatably mounted via a rocker (7) and the rocker (7) is articulated and is supported by primary springs, whereby the connection of the chassis frame to the car body of the low-floor railway is via two Distance to each other on a cross member (1) of the chassis frame articulated link rods (17), which on the other hand are also articulated to the car body, the car body being supported by secondary springs (15) on the chassis frame, which in pockets (16) near the cross ends of the cross member (1) are mounted and wherein in the cross member (1) spaced transverse stops (18) limit the transverse movement of the car body relative to the chassis, characterized in that the rocker arm (7) is arranged on a horizontal axis (6 ) is mounted on a stool (4) which is articulated about a vertical axis on the Fahrwe frame is attached. Fahrwerk nach Anspruch 1, dadurch gekennzeichnet, daß die horizontale Schwenkbarkeit des Schemels (4) gegenüber dem Fahrwerkrahmen durch zwischen Schemel (4) und Fahrwerkrahmen angeordnete Federn (13) und/oder Dämpfer (14) abgefedert und/oder gedämpft ist.Chassis according to claim 1, characterized in that the horizontal pivotability of the stool (4) relative to the chassis frame is cushioned and / or damped by springs (13) and / or dampers (14) arranged between the stool (4) and chassis frame. Fahrwerk nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Primärfeder als Blatttragfeder (10) ausgebildet ist, wobei für jedes Einzelrad (9) zwei Blattragfedern (10) vorgesehen sind, die in Fahrwerklängsrichtung beidseitig des Radreifens zwischen Schwinge (7) und Schemel (4) angeordnet sind.Undercarriage according to claims 1 and 2, characterized in that the primary spring is designed as a leaf support spring (10), two leaf support springs (10) being provided for each individual wheel (9), which are located on both sides of the wheel tire in the longitudinal direction of the chassis between the rocker arm (7) and the stool ( 4) are arranged. Fahrwerk nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß die Schwinge (7) im Querschnitt nach unten offen und U-förmig ausgebildet ist und im Seitenwangen (7a) der Schwinge (7) eine Achse (8) für das Einzelrad (9) fest angeordnet ist.Undercarriage according to claims 1 to 3, characterized in that the rocker (7) is open in cross section at the bottom and is U-shaped and in the side cheeks (7a) of the rocker (7) there is an axle (8) for the single wheel (9) is firmly arranged. Fahrwerk nach einem oder mehreren Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß die Einzelräder (9) des Fahrwerks jeweils paarweise schwenkbar und blockiert angeordnet sind.Undercarriage according to one or more of claims 1 to 4, characterized in that the individual wheels (9) of the undercarriage are each pivoted and blocked in pairs. Fahrwerk nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Schemel (7) gegenüber dem Fahrwerkrahmen durch zwischen Querträger (1) und Schemel (4) angeordnete starre Elemente oder Anschweißen blockierbar ist.Undercarriage according to one or more of claims 1 to 5, characterized in that the stool (7) can be blocked with respect to the undercarriage frame by rigid elements or welding arranged between the cross member (1) and stool (4). Fahrwerk nach einem oder mehreren Ansprüchen 1 bis 6, dadurch gekennzeichnet, daß die Schemel (4) oder Schwingen (7) oder Achsen (8) der nebeneinander angeordneten Einzelräder (9) durch eine Achsbrücke (12) gelenkig miteinander verbunden sind.Chassis according to one or more of claims 1 to 6, characterized in that the bolsters (4) or rockers (7) or axles (8) of the individual wheels (9) arranged next to one another are articulated to one another by an axle bridge (12). Fahrwerk nach einem oder mehreren Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß die Schemel (4) oder Schwingen (7) oder Achsen (8) der nebeneinander angeordneten Einzelräder (9) durch eine Achsbrücke (12) fest miteinander verbunden sind.Chassis according to one or more of claims 1 to 7, characterized in that the bolsters (4) or rockers (7) or axles (8) of the individual wheels (9) arranged next to one another are firmly connected to one another by an axle bridge (12). Fahrwerk nach den Ansprüchen 1 bis 8 dadurch gekennzeichnet, daß die Achse (8) im Bereich der Seitenwangen (7a) der Schwinge (7) als Vielkantwelle ausgebildet ist und in den Seitenwangen (7a) fest gelagert ist.Chassis according to claims 1 to 8, characterized in that the axis (8) in the area of the side cheeks (7a) of the rocker (7) is designed as a polygonal shaft and is fixedly mounted in the side cheeks (7a).
EP93118334A 1992-11-16 1993-11-12 Running gear for low-platform trains Expired - Lifetime EP0598353B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4238574 1992-11-16
DE4238574A DE4238574A1 (en) 1992-11-16 1992-11-16 Chassis for low-floor railways

Publications (2)

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EP0598353A1 true EP0598353A1 (en) 1994-05-25
EP0598353B1 EP0598353B1 (en) 1996-03-13

Family

ID=6472951

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EP93118334A Expired - Lifetime EP0598353B1 (en) 1992-11-16 1993-11-12 Running gear for low-platform trains

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US (1) US5448953A (en)
EP (1) EP0598353B1 (en)
AU (1) AU662659B2 (en)
DE (2) DE4238574A1 (en)
DK (1) DK0598353T3 (en)
ES (1) ES2088212T3 (en)
FI (1) FI111831B (en)
HU (1) HU210635B (en)
PL (1) PL172697B1 (en)

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EP0687613A1 (en) * 1994-06-15 1995-12-20 SGP Verkehrstechnik Gesellschaft m.b.H. Articulated train
DE19515587C2 (en) * 1995-04-27 2001-06-07 Siemens Ag Running gear for rail vehicles

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DE19823010A1 (en) * 1998-05-22 1999-11-25 Siemens Duewag Gmbh Rail vehicle, especially for local traffic
DE10128003A1 (en) * 2001-06-08 2002-12-12 Alstom Lhb Gmbh Secondary spring system for chassis on low-floor vehicles
EP2216227B1 (en) * 2007-11-16 2016-05-18 Kawasaki Jukogyo Kabushiki Kaisha Bogie for low floor type railway vehicle and low floor type railway vehicle with the same
JP5010630B2 (en) * 2009-02-20 2012-08-29 三菱重工業株式会社 Low floor vehicle
JP5010628B2 (en) * 2009-02-20 2012-08-29 三菱重工業株式会社 Low floor vehicle
JP5010629B2 (en) * 2009-02-20 2012-08-29 三菱重工業株式会社 Low floor vehicle
FR2991956B1 (en) * 2012-06-18 2014-07-04 Alstom Transport Sa BOGIE OF A RAILWAY VEHICLE HAVING IMPROVED SUSPENSIONS, IN PARTICULAR FOR A LOW FLOOR TRAMWAY
DE102013219800A1 (en) * 2013-09-30 2015-04-02 Siemens Aktiengesellschaft Main crossbeam for a passenger rail vehicle
EP3572294B1 (en) * 2018-05-25 2021-02-17 Bombardier Transportation GmbH Running gear frame for a rail vehicle
CN110329001A (en) * 2019-08-08 2019-10-15 安徽万航轨道交通装备有限公司 A kind of power truck

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Also Published As

Publication number Publication date
EP0598353B1 (en) 1996-03-13
FI111831B (en) 2003-09-30
DK0598353T3 (en) 1996-07-22
FI935035A (en) 1994-05-17
HU210635B (en) 1995-06-28
PL301058A1 (en) 1994-05-30
PL172697B1 (en) 1997-11-28
HU9303241D0 (en) 1994-03-28
AU4891293A (en) 1994-05-26
FI935035A0 (en) 1993-11-15
US5448953A (en) 1995-09-12
HUT66310A (en) 1994-11-28
DE59301888D1 (en) 1996-04-18
DE4238574A1 (en) 1994-05-19
AU662659B2 (en) 1995-09-07
ES2088212T3 (en) 1996-08-01

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