EP3974283B1 - Fahrgestell eines schienenfahrzeugs und entsprechendes fahrzeug - Google Patents

Fahrgestell eines schienenfahrzeugs und entsprechendes fahrzeug Download PDF

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Publication number
EP3974283B1
EP3974283B1 EP21198573.4A EP21198573A EP3974283B1 EP 3974283 B1 EP3974283 B1 EP 3974283B1 EP 21198573 A EP21198573 A EP 21198573A EP 3974283 B1 EP3974283 B1 EP 3974283B1
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EP
European Patent Office
Prior art keywords
bogie
axle
elastic member
arm
railway vehicle
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
EP21198573.4A
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English (en)
French (fr)
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EP3974283A1 (de
Inventor
Laurent Cichy
Cyril Florent Costes
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.)
Alstom Holdings SA
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Alstom Transport Technologies SAS
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.)
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Publication date
Application filed by Alstom Transport Technologies SAS filed Critical Alstom Transport Technologies SAS
Publication of EP3974283A1 publication Critical patent/EP3974283A1/de
Application granted granted Critical
Publication of EP3974283B1 publication Critical patent/EP3974283B1/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
    • B61F5/26—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
    • 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
    • B61F15/00—Axle-boxes

Definitions

  • Railway vehicle bogies are suitable for maintaining movable axles in rotation relative to a vehicle body.
  • the railway vehicle bogies are further adapted to ensure the comfort of users located in the vehicle body and/or to ensure the durability of the structure of the vehicle body by absorbing the shocks transmitted from the axles to the vehicle body .
  • the bogies of railway vehicles can comprise a frame and an arm carrying an axle box, the axle being guided in rotation with respect to the axle box and the movement of the arm being damped with respect to the frame.
  • At least one elastic member connects in particular the arm and the chassis, the group or groups of springs thus ensuring a damped transmission of shocks from the axle to the vehicle body.
  • the primary suspension comprises one primary spring per wheel, placed in a receiving cavity above the axle box.
  • the primary suspension comprises two primary springs per wheel without receiving cavities.
  • An object of the invention is then to propose a bogie offering a restricted vertical bulk and high characteristics in terms of damping.
  • the subject of the invention is a vehicle bogie according to claim 1.
  • a bogie in which the chassis comprises, for each elastic member, a cavity for receiving the spring is particularly advantageous, since it allows the installation of very long springs, in a suspension having a limited vertical space.
  • the railway vehicle bogie also has one or more of the characteristics of claims 2 to 8, taken separately or in any technically possible combination(s). ).
  • the invention further relates to a railway vehicle according to claim 9.
  • top and bottom or “lower” and “upper” are understood with reference to the vertical direction of the railway vehicle.
  • front refer to the longitudinal direction of the rail vehicle.
  • a railway vehicle 10 comprises a bogie 14.
  • the railway vehicle 10 further comprises a vehicle body mounted on the bogie 14 (not shown).
  • the railway vehicle 10 is for example a car intended to travel on rails.
  • the railway vehicle 10 is for example a locomotive or a car of a tram, a metro or a railcar.
  • the bogie 14 comprises a frame 22, at least one axle 12, at least one axle box 24 internally receiving the at least one axle 12, and a suspension of the axle box on the frame 22.
  • Axle 12 includes body 15, and wheels (not shown) mounted on body 15.
  • the body 15 is typically rotatable about a transverse axis of rotation C-C'.
  • a part 16 of the axle body 15 is received in the axle box 24.
  • the axle box 24 typically includes a link 20, such as a bearing, which guides the axle body 15 in rotation around the axis of rotation CC' with respect to the frame 22.
  • the suspension comprises an arm 26, an articulation 28 connecting the arm 26 to the frame 22, and at least one elastic member 30.
  • the bogie 14 preferably further comprises a shock absorber (not shown).
  • the frame 22 comprises, for the or each elastic member 30, a cavity 34 for receiving said elastic member 30.
  • the frame 22 comprises a first cavity 35 and a second cavity 36.
  • Each cavity 34 includes an opening 37 and a bottom 38.
  • Each bottom 38 cooperates with an elastic member 30.
  • an upper end of the elastic member 30 is engaged in the cavity 34 through the opening 37 and bears against the bottom 38.
  • the opening 37 is offset from the bottom 38.
  • the bottom 38 is for example offset vertically upwards relative to the opening 37.
  • the opening 37 extends for example along a plane parallel to a plane in which the bottom 38 extends.
  • the opening 37 is for example of circular shape.
  • the frame 22 comprises a hollow beam 40.
  • the hollow spar 40 comprises, and is delimited by, a lower wall 42 and an upper wall 44.
  • the hollow spar 40 preferably extends in the longitudinal direction.
  • the hollow spar 40 comprises at least three reinforcements 46.
  • the lower wall 42 and the upper wall 44 form, for example, plates elongated in the longitudinal direction and extending substantially parallel to each other.
  • the bottom wall 42 is for example a sheet with a thickness of between 12 mm and 20 mm.
  • the upper wall 44 extends for example substantially horizontally.
  • the upper wall 44 is for example a sheet with a thickness of between 10 mm and 18 mm.
  • the distance between the upper wall 44, and more particularly the top of the upper wall 44, relative to the axis of rotation C-C' is for example between 350mm and 410mm.
  • Each reinforcement 46 extends between the lower wall 42 and the upper wall 44 and connects the lower wall 42 and the upper wall 44. Each reinforcement 46 extends for example substantially vertically. Each reinforcement 46 is for example a sheet with a thickness of between 10 mm and 16 mm.
  • the opening 37 of the cavity 34 is formed in the lower wall 42 and the bottom 38 of the cavity 34 is defined by the upper wall 44.
  • the reinforcements 46 then advantageously define an internal contour of the cavity 34 connecting the opening 37 to the bottom 38 of the cavity 34.
  • the walls 42, 44 and the reinforcements 46 defining the cavity 34 are made from a single part, for example molded.
  • the two cavities can advantageously be made in one or two castings (or any other advantageous combination of castings, forgings or flat products).
  • the frame 22 comprises a first abutment region 49, adapted to come into contact with the arm 26 and to limit the movement of the arm 26 relative to the frame 22.
  • Articulation 28 connects arm 26 to frame 22. Articulation 28 is in particular adapted to allow rotation of arm 26 relative to frame 22, preferably over a range of rotation less than ⁇ 6°.
  • the arm 26 comprises an upper face 51 arranged facing the frame 22, and a lower face 50 arranged opposite the upper face 51.
  • the arm 26 includes a free end 52 opposite a connector end 54, connector end 54 in which it is connected to the frame 22 by the joint 28.
  • the arm 26 extends between the free end 52 and the end connector 54.
  • the arm 26 is preferably elongated between the free end 52 and the connector end 54, that is to say that the large dimension of the arm 26 extends substantially along the direction formed between the free end 52 and the connecting end 54.
  • the arm 26 includes at least one bearing region 58.
  • the or each support region 58 is preferably formed on the upper face 51 of the arm 26.
  • the or each support region 58 is in particular formed facing an opening 37 of a cavity 34.
  • the or each support region 58 is offset longitudinally forwards or backwards with respect to the axle box 24.
  • the arm 26 comprises a support region offset forwards 62 and a support region offset rearwards 60 with respect to the axle box 24.
  • the rear support region 60 is offset towards the connection end 54; and front bearing region 62 is offset toward free end 52.
  • Each support region 58 cooperates with an elastic member 30.
  • the elastic member 30 has a lower end resting on one of or the support region 58.
  • Each bearing region 58 extends for example substantially along a horizontal plane. Each bearing region 58 preferably extends vertically at or slightly above the axis of rotation C-C' of the axle 12 with respect to the bogie 14. Each bearing region 58 extends in particular between the central axis C-C' and a vertex 63 of the axle box. By top 63 of the axle box 24 is meant here the highest region of the axle box 24.
  • the arm 26 comprises for example a second abutment region 65, arranged facing the first abutment region 49 and adapted to come into contact with the second abutment region 49, in particular to limit the movement of the arm 26 towards the frame 22
  • the second abutment region extends, for example, longitudinally between the support region shifted towards the rear 60 and the support region shifted forwards 62.
  • the arm 26 carries the axle box 24 and, in a particular variant, forms a portion of the axle box 24.
  • the axle box 24 preferably comprises an upper body 66 and a lower body 68.
  • the axle box 24 preferably comprises means 70 for fixing the lower body 68 to the upper body 66.
  • the lower body 68 is connected to the upper body 66.
  • the lower body 68 is fixed to the upper body 66 by removable fixing means 70, the fixing means 70 being for example screws.
  • the fixing means 70 being for example screws.
  • the lower body 68 is for example removable.
  • the upper body 66 extends above the link 20.
  • the upper body 66 is adapted to support the force applied by the railway vehicle 10 on the axle 12.
  • the upper body 66 comprises for example an inner face 72 intended to cooperate with the connection 20.
  • the inner face 72 is for example in the shape of a portion of a cylinder, and more particularly in the shape of a half cylinder.
  • the upper body 66 is preferably defined by the lower face 50 of the arm, a portion of the lower face 50 of the arm then forming the inner face 72 of the upper body 66.
  • the lower body 68 is for example formed by a concave part and comprises an inner face 74 intended to cooperate with the connection 20.
  • the inner face 74 is for example in the shape of a portion of a cylinder, and more particularly in the shape of a half-cylinder.
  • the at least one elastic member 30 comprises at least one spring 76.
  • the bogie comprises two elastic members 30, a first elastic member 78 comprising two concentric springs 76 and a second elastic member 80 comprising only one spring 76.
  • Each spring 76 comprises a lower end 82 and an upper end 84.
  • each elastic member 30 comprises an upper saddle 48 and a lower saddle 64.
  • the upper 48 and lower saddles 64 comprise at least one ring on which is pressed the respectively upper 84 and lower 82 end of the spring 76 and a pin protruding from the center of the ring and being engaged in the spring 76.
  • the upper saddles 48 are fixed at the level of the bottoms 38 and the lower saddles 64 are fixed at the level of support regions 58.
  • the first elastic member 78 bears against the support region offset longitudinally forwards 62 relative to the axle box 24 on the one hand and against the bottom 38 of the first cavity 35 on the other hand.
  • the second elastic member 80 bears against the support region offset longitudinally rearwardly 60 with respect to the axle box 24 on the one hand and against the bottom 38 of the second cavity 36 on the other hand.
  • the axle box 24 is thus arranged longitudinally between the first elastic member 78 and the second elastic member 80.
  • the springs 76 are coil springs.
  • Each spring 76 preferably comprises between 3 and 8 active turns and preferably between 3 and 6 active turns.
  • each spring 76 is preferably between 200 N/mm and 500 N/mm for the first elastic member 78 and between 900 N/mm and 1200 N/mm for the second elastic member 80.
  • each spring 76 is generally not the same for the springs of the first elastic member 78 as for those of the second elastic member 80.
  • each spring 76 is always greater than 220 mm when the springs 76 are installed in the bogie 14.
  • the length of each spring 76 is in particular between 220 mm and 360 mm when the springs are installed in the bogie 14. vacuum of each spring is for example 425mm.
  • each spring 76 of the first elastic member 78 when the spring 76 is installed in the bogie 14, is for example between 300mm and 360mm and the length of each spring 76 of the second elastic member 80, when the spring 76 is installed in the bogie 14, is for example between 220mm and 300mm.
  • each spring 76 is minimal when first abutment region 49 is in contact with second abutment region 65.
  • the damper (not shown) is for example connected on the one hand to the frame 22 and on the other hand to the arm 26.
  • the damper is in particular suitable for damping the movements of the arm 26 with respect to the frame 22.
  • the damper is for example arranged longitudinally between the first elastic member 78 and the second elastic member 80.
  • a bogie 14 as previously described is supplied.
  • the axle 12 is installed in the axle box 24.
  • the lower body 68 is in particular detached from the upper body 66 and the axle 12 is put in place. relative to the bogie 14.
  • the link 20 is for example installed around the axle 12, and the axle provided with the link 20 is installed in the upper body 66, for example in contact with the inner face 72 of the upper body 66
  • the lower body 68 is then brought around the axle 12, and more particularly around the link 20, the lower body 68 and the upper body 66 thus enclosing the axle 12 and the link 20.
  • the lower body 68 is fixed to the upper body 66 to form the axle housing 24 around the axle 12 installed in the upper body 66.
  • the lower body 68 is for example fixed to the upper body 66 by means of the fixing means 70.
  • the fixing means 70 are for example detachable, the lower body 68 thus being removable with respect to the upper body 66, in particular to allow replacement of the axle 12 or part of axle 12.
  • a chassis 22 comprising, for the or each elastic member 30, a cavity 34 for receiving said elastic member 30 allows the use of very long springs 76 without complicating the installation of axles 12 on the bogie 14, while limiting the vertical dimensions of the bogie 14.
  • an arm 26 defining the upper body 66 of the axle box 24 and of a lower body 68 connected to the upper body 66 is particularly advantageous for facilitating the installation of an axle 12 in the bogie 14, the axle 12 can then be installed and / or uninstalled by simple assembly / disassembly of the lower body 68 around the connecting portion 20.
  • a frame 22 comprising a hollow beam 40 defining the cavity 34 is particularly advantageous since it makes it possible to accommodate a significant part of the length of the elastic members 30 (for example between 30% and 50%).
  • the position of the support region 58 is particularly advantageous for obtaining a great length of spring 76 while allowing the use of a lower body 68 which can be easily removed to facilitate the installation of the axle on the bogie 14 or removal of axle 12 from bogie 14.
  • the use of two groups of springs 30 is particularly advantageous since it allows the use of space-saving springs 76 and limits the force applied to the joint 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (9)

  1. Drehgestell (14) für Schienenfahrzeug (10), umfassend:
    - einen Rahmen (22),
    - mindestens eine Achse (12);
    - mindestens ein Achslager (24), das die mindestens eine Achse (12) innen aufnimmt;
    - eine Aufhängung des oder jedes Achslagers (24) an dem Rahmen (22); die Aufhängung umfassend:
    - einen Arm (26), der das Achslager (24) trägt; und
    - mindestens ein elastisches Element (30), das zwischen dem Arm (26) und dem Rahmen (22) eingefügt ist,
    der Rahmen (22) umfassend, für das oder jedes elastische Element (30), einen Hohlraum (34) zum Aufnehmen des elastischen Elements (30), der Hohlraum (34) umfassend eine Öffnung (37) und einen Boden (38), wobei ein oberes Ende des elastischen Elements (30) durch die Öffnung (37) in den Hohlraum (34) eingreift und auf dem Boden (38) aufliegt, dadurch gekennzeichnet, dass
    das Drehgestell (14) zwei elastische Elemente (30) umfasst, wobei ein erstes elastisches Element (78) auf einem in Längsrichtung nach vorne versetzten Auflagebereich (62) in Bezug auf die Achse (24) aufliegt, und wobei ein zweites elastisches Element (80) auf einem in Längsrichtung nach hinten versetzten Auflagebereich (60) in Bezug auf die Achse (24) aufliegt.
  2. Drehgestell (14) für Schienenfahrzeug (10) nach Anspruch 1, wobei der Arm (26) mindestens einen Auflagebereich (58) aufweist, der in Bezug auf die Achse (24) in Längsrichtung nach vorne oder hinten versetzt ist, wobei das mindestens ein elastisches Element (30) ein unteres Ende aufweist, das auf dem mindestens einen Auflagebereich (58) aufliegt.
  3. Drehgestell (14) für Schienenfahrzeug (10) nach Anspruch 2, wobei sich der Auflagebereich (58) vertikal zwischen einer mittleren Achse (C-C') der Achse und einem Scheitelpunkt (63) des Achslagers (24) erstreckt.
  4. Drehgestell (14) für Schienenfahrzeug (10) nach einem der vorherigen Ansprüche, wobei das Drehgestell ein Gelenk (28) umfasst, das den Arm (26) mit dem Rahmen (22) verbindet, wobei der Arm (26) in Bezug auf den Rahmen (22) vorzugsweise um das Gelenk (28) drehbar ist.
  5. Drehgestell (14) für Schienenfahrzeug (10) nach einem der vorherigen Ansprüche, wobei das Achslager (24) einen oberen Körper (66) und einen unteren Körper (68), der lösbar mit dem oberen Körper (66) verbunden ist, aufweist.
  6. Drehgestell (14) für Schienenfahrzeug (10) nach Anspruch 5, wobei der Arm den oberen Körper (66) definiert.
  7. Drehgestell (14) für Schienenfahrzeug (10) nach einem der vorherigen Ansprüche, wobei der Rahmen (22) einen hohlen Längsträger (40) umfasst, der durch eine untere Wand (42) und eine obere Wand (44) begrenzt wird, wobei die Öffnung (37) in der unteren Wand (42) ausgebildet ist und sich der Hohlraum (34) im Inneren des hohlen Längsträgers (40) erstreckt.
  8. Drehgestell (14) für Schienenfahrzeug (10) nach Anspruch 7, wobei der Boden (38) in Bezug auf die Öffnung (37) vertikal nach oben versetzt ist, wobei der Boden (38) durch die obere Wand (44) definiert ist.
  9. Schienenfahrzeug (10), umfassend mindestens ein Drehgestell (14) nach einem der Ansprüche 1 bis 8.
EP21198573.4A 2020-09-23 2021-09-23 Fahrgestell eines schienenfahrzeugs und entsprechendes fahrzeug Active EP3974283B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2009647A FR3114292A1 (fr) 2020-09-23 2020-09-23 Bogie de véhicule ferroviaire, véhicule et procédé d’installation d’essieu associés

Publications (2)

Publication Number Publication Date
EP3974283A1 EP3974283A1 (de) 2022-03-30
EP3974283B1 true EP3974283B1 (de) 2023-05-10

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EP21198573.4A Active EP3974283B1 (de) 2020-09-23 2021-09-23 Fahrgestell eines schienenfahrzeugs und entsprechendes fahrzeug

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US (1) US20220089200A1 (de)
EP (1) EP3974283B1 (de)
CA (1) CA3131568A1 (de)
ES (1) ES2951147T3 (de)
FR (1) FR3114292A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114962512A (zh) * 2022-04-24 2022-08-30 中车太原机车车辆有限公司 一种弹簧固定装置及固定方法

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US1962893A (en) * 1931-11-14 1934-06-12 Standard Steel Car Corp Of Del Railway truck
AU471660B2 (en) * 1972-07-04 1976-04-29 MACKANESS and EDWARD POITRAS JAMES Improved bogie
US4658734A (en) * 1985-03-11 1987-04-21 Joseph Mroz Independent suspension railway bogie
US5189962A (en) * 1988-09-01 1993-03-02 Kawasaki Jukogyo Kabushiki Kaisha Axle box suspension with resilient elements adhered to the movable components such that all relative movement between the components occurs by deformation of the resilient elements
NL9100701A (nl) * 1991-04-23 1992-11-16 Werkspoor Services Bv Spoorwegvoertuig.
DE4315568C2 (de) * 1993-05-10 1995-12-21 Aeg Schienenfahrzeuge Radsatzführung eines Drehgestells
JP2004148947A (ja) * 2002-10-30 2004-05-27 Kawasaki Heavy Ind Ltd 非線形特性バネ及びそれを用いた軸はり式台車
JP2006096137A (ja) * 2004-09-29 2006-04-13 Hitachi Ltd 鉄道車両用軸箱支持装置
JP5734012B2 (ja) * 2011-02-11 2015-06-10 日本車輌製造株式会社 鉄道車両用軸箱支持装置
JP5150760B2 (ja) * 2011-09-20 2013-02-27 東洋ゴム工業株式会社 軸箱支持構造
FR2991956B1 (fr) * 2012-06-18 2014-07-04 Alstom Transport Sa Bogie de vehicule ferroviaire a suspensions perfectionnees, notamment pour un tramway a plancher bas
GB2537299B8 (en) * 2015-01-16 2017-08-09 Crrc Qingdao Sifang Co Ltd Railway vehicle and axle box structure thereof
CN106184271A (zh) * 2016-07-19 2016-12-07 中车唐山机车车辆有限公司 用于轨道车辆的转向架及轨道车辆
CN108099937A (zh) * 2018-02-01 2018-06-01 株洲时代电子技术有限公司 一种地铁轨道工程车辆电传动转向架构架
CN109591839B (zh) * 2019-01-25 2023-09-29 西南交通大学 一种转向架一系悬挂定位装置
CN109910939A (zh) * 2019-03-25 2019-06-21 中车齐齐哈尔车辆有限公司 轴箱悬挂装置及具有其的转向架
CN110758441A (zh) * 2019-11-26 2020-02-07 宝鸡中车时代工程机械有限公司 地铁工程车辆转向架轴箱整体起吊时的连接装置
CN111267893B (zh) * 2020-03-13 2021-10-26 中车株洲电力机车有限公司 一种轨道车辆构架

Also Published As

Publication number Publication date
FR3114292A1 (fr) 2022-03-25
CA3131568A1 (fr) 2022-03-23
ES2951147T3 (es) 2023-10-18
US20220089200A1 (en) 2022-03-24
EP3974283A1 (de) 2022-03-30

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