EP2676859B1 - Drehgestell eines Schienenfahrzeugs mit verbesserten Aufhängungen, insbesondere für eine Niederflur-Straßenbahn - Google Patents

Drehgestell eines Schienenfahrzeugs mit verbesserten Aufhängungen, insbesondere für eine Niederflur-Straßenbahn Download PDF

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Publication number
EP2676859B1
EP2676859B1 EP13170993.3A EP13170993A EP2676859B1 EP 2676859 B1 EP2676859 B1 EP 2676859B1 EP 13170993 A EP13170993 A EP 13170993A EP 2676859 B1 EP2676859 B1 EP 2676859B1
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EP
European Patent Office
Prior art keywords
bogie
chassis
axle
rail
seat
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.)
Active
Application number
EP13170993.3A
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English (en)
French (fr)
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EP2676859A1 (de
Inventor
Alain Rodet
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Alstom Transport Technologies SAS
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Alstom Transport Technologies SAS
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Publication date
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Priority to PL13170993T priority Critical patent/PL2676859T3/pl
Publication of EP2676859A1 publication Critical patent/EP2676859A1/de
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Classifications

    • 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
    • B61F5/50—Other details
    • 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
    • B61F3/02—Types of bogies with more than one axle
    • B61F3/04—Types of bogies with more than one axle with driven axles or wheels
    • 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
    • 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
    • B61F5/32—Guides, e.g. plates, for axle-boxes
    • B61F5/325—The guiding device including swinging arms or the like to ensure the parallelism of the axles
    • 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
    • B61F5/50—Other details
    • B61F5/52—Bogie frames

Definitions

  • the present invention relates to a bogie rail vehicle with improved suspensions, especially for a low-floor tram.
  • the document FR 1 394 160 describes a bogie according to the preamble of claim 1.
  • a railway vehicle bogie comprising two pairs of wheels, the wheels of each pair being connected to each other by an axle structure.
  • the bogie further comprises an articulated frame carrying the axle structures via primary suspension means.
  • a chassis is called “articulated” when it comprises two parts (or half-frame) articulated relative to each other about an axis.
  • Such an articulated frame makes it possible to limit wheel discharges induced by track defects (also called “left”).
  • track defects also called “left”
  • the articulated frame allows the bogie to cross the left, that is to say it may have ground support points that are not in the same rolling plane.
  • the vertical size of the suspensions must be relatively small.
  • the suspensions are generally formed by elastic members of elastomer, in particular rubber, which are compact.
  • the object of the invention is in particular to remedy this drawback by providing a railway vehicle bogie whose suspensions remain effective whatever their temperature, and whose suspensions have a satisfactory service life, all while maintaining a reduced vertical space requirement in order to the bogie can equip a low-floor railway vehicle.
  • the subject of the invention is a railway vehicle bogie, in particular a low-floor tram, according to claim 1.
  • the arms of the axle structure extend longitudinally, so that the primary coil springs are deported substantially at the same height as the axle structures, unlike bogies of the state of the art in which the primary suspensions are usually arranged above the axle structures.
  • the bogie according to the invention comprises helical springs, while maintaining a reduced size in height, despite the fact that the coil springs are generally considered more bulky than elastomeric elastic members.
  • the chassis of the bogie is articulated, so that it allows the bogie to cross the track defects, or left, unhindered, as indicated above.
  • the bogie according to the invention may comprise primary suspensions which work only in a vertical direction. Such primary suspensions reduced bulk and complexity compared to primary suspensions rigid chassis bogie.
  • the invention also relates to a railway vehicle, in particular a low-floor tramway, comprising a bogie as defined above.
  • a horizontal plane is substantially parallel to the plane in which the axles extend and the vertical plane is substantially parallel to the plane in which the wheels extend.
  • longitudinal is defined in relation to the direction in which a railway vehicle extends in a horizontal plane
  • transverse is defined according to a direction substantially perpendicular to the longitudinal direction in a horizontal plane.
  • a reference numeral is shown in the figures, in which the longitudinal direction is designated by the reference X, the transverse direction is designated by the reference Y, and the vertical direction, perpendicular to the longitudinal X and transverse Y directions, is designated by the reference Z.
  • front and rear are defined with respect to the direction of movement of the railway vehicle in the longitudinal direction X.
  • front corresponds to the left and the term “rear” " to the right.
  • the bogie 10 comprises two pairs 12 of wheels 14, respectively arranged at the front and at the rear of the bogie 10.
  • the wheels 14 of each pair are connected to each other by an axle structure 16.
  • Each axle structure 16 comprises two axle boxes 18, namely one for each wheel 14, and an axle crossmember 20 extending transversely between the two axle boxes 18 and secured to these boxes.
  • Each axle beam 20 carries an axle shaft 22 extending transversely between the wheels 14 and integral with these wheels 14.
  • the axle boxes 18 and the axle cross member 20 form an axle 18.
  • one-piece assembly, rigid in flexion and torsion about the axle axis, and the axle shaft 22 ensures the transmission between the two wheels 14 of the axle.
  • axle structures 16 are carried by an articulated frame 24 via primary suspension means 26 which will be described later.
  • the frame 24 is said to be of the inner type, that is to say that it is arranged in a space delimited by the wheels 14.
  • Such an inner frame has a reduced mass, and a low cost of manufacturing.
  • the chassis 24 comprises two side rails 28 and two chassis cross members, in particular a front crossmember 30 and a rear crossmember 32, each extending transversely between the side rails 28.
  • a first spar among the side spars 28 will be called right spar, and the other spar will be called left spar. Only the right spar is visible on the figure 1 .
  • Each crosspiece 30, 32 is integral with a respective lateral spar 28, and articulated around a pivot connection with the other spar 28, of axis parallel to a general direction in which the spar 28 extends with which it is Speak clearly.
  • the general direction of the spar 28 is substantially parallel to the longitudinal direction X.
  • the front cross member 30 is secured to the right spar 28, and the rear cross member 32 is hinged about a pivot connection 34 with the right spar. Furthermore, the rear cross member 32 is integral with the left spar, and the front cross member 30 is hinged about a pivot connection 36 with the left spar.
  • the frame 24 has two L-shaped portions, each L-shaped portion being formed by a cross member and a respective spar. These two L-shaped portions are articulated with respect to each other substantially about a diagonal axis passing through the pivot links 34, 36.
  • each lateral spar 28 is connected to an axle box 18 via these primary suspension means 26.
  • the suspension means 26 comprise, for each axle box 18, an arm 38 extending substantially longitudinally between a first end 38A integral with the corresponding axle box 18, and a second end 38B free.
  • Each arm 38 is articulated around a pivot connection 40 with the frame 24, in particular with one of the side rails 28.
  • the primary suspension means 26 further comprise, for each arm 38, a primary coil spring 42 extending between a first seat 42A, formed on the second end 38B of the arm 38, and a second seat 42B, carried by the frame 24 , in particular by the lateral spar 28 corresponding.
  • each arm 38 extends substantially longitudinally, so that each primary coil spring 42 is deported substantially at the height of the axle structures 16.
  • the vertical space of the primary suspension means 42 is therefore reduced, in particular with respect to conventional bogie primary suspensions, which are usually arranged above the axle structures.
  • each primary helical spring 42 extends in a substantially vertical direction Z, that is to say substantially perpendicular to the general direction in which extends the spar 28 carrying the second seat 42B for this primary coil spring 42.
  • Z substantially vertical direction
  • the frame 24 since the frame 24 is articulated, it is the articulation of this frame 24 around the diagonal passing through the joints 34 and 36 which allows limit the wheel discharges induced by track defects, and not the axles 16 associated with the primary suspension means 26, these primary suspension means 26 can thus be adapted to work only in the vertical direction Z.
  • the primary suspension 26 allows a relative vertical displacement of the axle structure 16 relative to the frame 24, that is to say that the axle structure 16 is suspended relative to the frame 24 in a substantially vertical direction Z, and mobile in rotation about an axis passing through the pivot links 40.
  • each motor 44 is connected to at least one of the wheels 14 via a gearbox 46 and a coupling connecting the motor 44 to the gearbox 46.
  • the bogie 10 also comprises secondary suspension means 48, allowing relative vertical displacement of the bogie 10 relative to the railway vehicle on which said bogie 10 is mounted.
  • the bogie 10 comprises a load cross member 50 of conventional type, intended to carry a box of the railway vehicle.
  • the secondary suspension means 48 comprise, for each of the lateral spars 28, at least one secondary helical spring 52, for example two secondary helical springs 52 arranged in parallel, each extending between a first seat 52A formed on the spar 28, and a second seat 52B formed on the load crossbar 50.
  • each secondary helical spring 52 extends in a substantially vertical direction Z, that is to say a direction substantially perpendicular to the general direction in which extends the spar 28 carrying the first seat 52A for the secondary coil spring 52.
  • the invention could be applied to a bogie carrier, not including a motor.
  • the articulated chassis of the bogie could have another articulated structure than that which has been previously described.
  • the bogie according to the invention could equip any other rail vehicle that a tram, for example a metro or a mainline train.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)

Claims (7)

  1. Drehgestell (10) für ein Schienenfahrzeug, insbesondere eine Niederflurstraßenbahn, Folgendes aufweisend:
    - zwei Paare (12) von Rädern (14), wobei die Räder (14) jedes Paars (12) miteinander durch eine Achsstruktur (16) verbunden sind, wobei die Achsstruktur (16) für jedes Rad (14) des entsprechenden Paars (12) einen Achskasten (18) aufweist, und
    - ein angelenktes Fahrgestell (24), wobei jede Achsstruktur (16) mittels primärer Aufhängeeinrichtungen (26) vom Fahrgestell (24) getragen ist,
    und wobei die primären Aufhängungseinrichtungen (26) aufweisen:
    - für jedes Rad (14) einen Schenkel (38), der sich im Wesentlichen längs zwischen einem ersten Ende (38A), das fest mit dem diesem Rad (14) zugeordneten Achskasten (18) verbunden ist, und einem zweiten, freien Ende (38B) erstreckt, wobei der Schenkel (38) zwischen seinem ersten (38A) und zweiten (38B) Ende um eine Schwenkverbindung (40) mit dem Fahrgestell (24) angelenkt ist, und
    - für jeden Schenkel (38) eine primäre Schraubenfeder (42), die sich zwischen einem ersten Sitz (42A), der am zweiten Ende (38B) dieses Schenkels (38) ausgebildet ist, und einem zweiten Sitz (42B) erstreckt, der vom Fahrgestell (24) getragen ist,
    und wobei das Fahrgestell (24) aufweist:
    - zwei seitliche Längsträger (28), wovon jeder zumindest den zweiten Sitz (42B) einer der primären Schraubenfedern (42) trägt,
    dadurch gekennzeichnet, dass das Fahrgestell (24) darüber hinaus aufweist:
    - einen vorderen Fahrgestellquerträger (30), der sich quer zwischen den seitlichen Längsträgern (28) erstreckt, und
    - einen hinteren Fahrgestellquerträger (32), der sich quer zwischen den seitlichen Längsträgern (28) erstreckt,
    und wobei:
    - der vordere Fahrgestellquerträger (30) fest mit einem ersten Längsträger der seitlichen Längsträger (28) verbunden ist, und der hintere Querträger (32) um eine Schwenkverbindung (34) mit dem ersten Längsträger achsparallel zu einer allgemeinen Richtung angelenkt ist, in der sich dieser erste Längsträger erstreckt, und
    - der hintere Fahrgestellquerträger (32) fest mit einem zweiten Längsträger der seitlichen Längsträger (28) verbunden ist, und der vordere Querträger (32) um eine Schwenkverbindung (36) mit dem zweiten Längsträger achsparallel zu einer allgemeinen Richtung angelenkt ist, in der sich dieser zweite Längsträger erstreckt.
  2. Drehgestell (10) nach Anspruch 1, wobei sich jede primäre Schraubenfeder (42) entlang einer Richtung erstreckt, die zur allgemeinen Richtung im Wesentlichen senkrecht ist, in der sich der Längsträger (28) erstreckt, der den zweiten Sitz (42B) für diese primäre Schraubenfeder (42) trägt.
  3. Drehgestell (10) nach Anspruch 1 oder 2, wobei mindestens einer der Längsträger (28) einen Motor (44) trägt, wobei dieser Motor mittels eines Getriebes (46) mit mindestens einem der Räder (14) verbunden ist.
  4. Drehgestell (10) nach einem der Ansprüche 1 bis 3, Folgendes aufweisend:
    - einen Lastquerträger (50), der dazu bestimmt ist, eine Schienenfahrzeugkarosserie zu tragen,
    - sekundäre Aufhängungseinrichtungen (48), die für jeden der seitlichen Längsträger (28) mindestens eine sekundäre Schraubenfeder (52) aufweisen, die sich zwischen einem ersten Sitz (52A), der an diesem Längsträger (28) ausgebildet ist, und einem zweiten Sitz (52B) erstreckt, der am Lastquerträger (50) ausgebildet ist.
  5. Drehgestell (10) nach Anspruch 4, wobei sich jede sekundäre Schraubenfeder (52) entlang einer Richtung erstreckt, die zur allgemeinen Richtung im Wesentlichen senkrecht ist, in der sich der Längsträger (28) erstreckt, der den ersten Sitz (52A) für diese sekundäre Schraubenfeder (52) trägt.
  6. Drehgestell (10) nach einem der vorhergehenden Ansprüche, wobei jede Achsstruktur (16) einen Achsquerträger (20) aufweist, der sich zwischen den Achskästen (18) dieser Achsstruktur (16) erstreckt und eine Achswelle (22) trägt, die fest mit den Rädern (14) verbunden ist, zwischen denen sich diese Achsstruktur (16) erstreckt.
  7. Wagen eines Schienenfahrzeugs, insbesondere einer Niederflurstraßenbahn, dadurch gekennzeichnet, dass er mindestens ein Drehgestell nach einem der Ansprüche 1 bis 6 aufweist.
EP13170993.3A 2012-06-18 2013-06-07 Drehgestell eines Schienenfahrzeugs mit verbesserten Aufhängungen, insbesondere für eine Niederflur-Straßenbahn Active EP2676859B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13170993T PL2676859T3 (pl) 2012-06-18 2013-06-07 Wózek wagonowy pojazdu szynowego o udoskonalonym usprężynowaniu, w szczególności dla tramwaju niskopodłogowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1255669A FR2991956B1 (fr) 2012-06-18 2012-06-18 Bogie de vehicule ferroviaire a suspensions perfectionnees, notamment pour un tramway a plancher bas

Publications (2)

Publication Number Publication Date
EP2676859A1 EP2676859A1 (de) 2013-12-25
EP2676859B1 true EP2676859B1 (de) 2015-09-02

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EP13170993.3A Active EP2676859B1 (de) 2012-06-18 2013-06-07 Drehgestell eines Schienenfahrzeugs mit verbesserten Aufhängungen, insbesondere für eine Niederflur-Straßenbahn

Country Status (8)

Country Link
US (1) US9096240B2 (de)
EP (1) EP2676859B1 (de)
CN (1) CN103507822B (de)
CA (1) CA2819064C (de)
ES (1) ES2552006T3 (de)
FR (1) FR2991956B1 (de)
PL (1) PL2676859T3 (de)
RU (1) RU2607141C2 (de)

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Also Published As

Publication number Publication date
CA2819064C (fr) 2020-07-14
RU2607141C2 (ru) 2017-01-10
ES2552006T3 (es) 2015-11-25
FR2991956A1 (fr) 2013-12-20
FR2991956B1 (fr) 2014-07-04
US9096240B2 (en) 2015-08-04
CN103507822B (zh) 2017-05-24
RU2012145431A (ru) 2014-04-27
CA2819064A1 (fr) 2013-12-18
PL2676859T3 (pl) 2016-02-29
EP2676859A1 (de) 2013-12-25
CN103507822A (zh) 2014-01-15
US20130333590A1 (en) 2013-12-19

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