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EP3042821B1 - Drehgestell, das eine zentralisierte primärfederung umfasst - Google Patents

Drehgestell, das eine zentralisierte primärfederung umfasst Download PDF

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Publication number
EP3042821B1
EP3042821B1 EP16150665.4A EP16150665A EP3042821B1 EP 3042821 B1 EP3042821 B1 EP 3042821B1 EP 16150665 A EP16150665 A EP 16150665A EP 3042821 B1 EP3042821 B1 EP 3042821B1
Authority
EP
European Patent Office
Prior art keywords
bogie
axles
axis
axle
suspension
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
EP16150665.4A
Other languages
English (en)
French (fr)
Other versions
EP3042821A1 (de
Inventor
Alain Rodet
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 Transport Technologies SAS
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Alstom Transport Technologies SAS
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Filing date
Publication date
Application filed by Alstom Transport Technologies SAS filed Critical Alstom Transport Technologies SAS
Publication of EP3042821A1 publication Critical patent/EP3042821A1/de
Application granted granted Critical
Publication of EP3042821B1 publication Critical patent/EP3042821B1/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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings
    • B61F5/08—Bolster supports or mountings incorporating rubber 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
    • B61F5/50—Other details
    • B61F5/52—Bogie frames
    • 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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings

Definitions

  • the present invention relates to a railway vehicle bogie, of the type comprising two pairs of wheels, the wheels of a pair being connected to each other by a connecting device to form an axle, said axles being connected to one another. to the other by a frame, each of the axles being hinged to the frame about an axis substantially parallel to the axis of the axles.
  • the invention also relates to the railway vehicle comprising such a bogie.
  • such bogies generally comprise four primary suspensions, for suspending the chassis of the truck relative to the axles, and two secondary suspensions, for suspending the vehicle body relative to the bogie frame.
  • the four primary suspensions are each arranged between the axles and the bogie frame at each wheel, which constitutes a complex structure and having a large mass.
  • An object of the invention is therefore to provide a simpler and lighter bogie.
  • the subject of the invention is a bogie comprising two main suspension devices, each being connected on the one hand to a different axle, and on the other hand to a single elastic articulation forming a suspension of the chassis with respect to the axles .
  • the bogie according to the invention thus comprises only one primary suspension, instead of the four traditionally provided.
  • the structure of the bogie is greatly simplified and lightened while maintaining the suspension performance of the bogie.
  • the invention further relates to a railway vehicle comprising a bogie, as defined above.
  • the terms “vertical” and “horizontal” are defined with respect to a bogie mounted in a railway vehicle and arranged on rails.
  • 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.
  • the term “longitudinal” is defined with respect to the direction in which a railway vehicle extends in a horizontal plane and the term “transverse” is defined in a direction substantially perpendicular to the longitudinal direction in a horizontal plane.
  • a railway vehicle bogie 1 (not shown), for example a subway, a tram or a train, is described.
  • the bogie is intended to be connected in a known manner to a box (not shown) of the railway vehicle.
  • the bogie 1 comprises two axles 2, 3, a chassis 4, two main suspension devices 6, 7, an elastic articulation 8 and a driving device 10.
  • Each axle 2, 3 comprises a pair of wheels respectively 12, 13 and 14, 15. In a conventional manner, the wheels may be provided with brake disks 16. The wheels of a pair 12 to 15 are connected to each other. other by a connecting device 18, 20 to form the axle 2, 3.
  • each connecting device 18, 20 comprises, on the one hand, a central non-rotating part 26, 28 constituted for example by the casing of a motor 30, 32, or integrating this motor, and on the other hand lateral reduction units 34, 35, 36 and 37.
  • Each gear comprises a small wheel 38 integral in rotation with the motor shaft and a large wheel 39 integral with the axis of a wheel.
  • the small wheel 38 and the large wheel 39 mesh together so that the rotation of the motor shaft causes the wheels 12, 13, 14, 15 to rotate through the gearboxes.
  • the wheels thus rotate about an axis AA 'offset from the axis of rotation of the motor shaft 30, 32 B-B'.
  • the axis of the connecting device 18, 20, substantially coinciding with the axis of rotation of the motor shaft, is here substantially parallel and offset at least longitudinally, and possibly vertically, with respect to the axis of the wheels 12 to 15.
  • the axis of each connecting device 18, 20 is closer to the center of gravity of the bogie 1 than the axis of the pair of wheels 12 to 15 corresponding.
  • the motor 30, 32 is fixed to the chassis of the bogie so as to form a mass suspended relative to the axles and not to suffer the effects of the rail, as will be described later.
  • the two axles 2, 3 are connected to each other by the chassis 4.
  • the axles 2, 3 are articulated to the chassis 4 about an axis CC 'substantially parallel to the axis of the axles 2, 3, and close to the axis B-B '.
  • the chassis 4 comprises two longitudinal members 40, 42, extending substantially longitudinally. At each of its longitudinal ends, each spar 40, 42 is articulated to one of the connecting devices 18, 20 of the axles 2, 3 about the axis C-C ', by means of articulation 43, 44, 45 and 46.
  • the central portion 26, 28, which forms a housing for the motor 30, 32 also forms a cross member of the frame. That is, the central portion 26, 28 extends from one spar to the other substantially transversely and is attached to each of these spars.
  • Each main suspension device 6, 7 comprises a connecting piece connected by one of its ends 48, 50 to a different axle 2, 3.
  • the end 48, 50 of the connecting piece has for example the shape of a fork comprising two branches 51, 52 fixed to the central portion 26, 28 of the connecting device 18, 20 of the corresponding axle 2, 3.
  • Each branch is for example fixed to a transverse end of the structuring part so as to be able to take up the efforts of each wheel of the truck.
  • the connecting pieces of the two main suspension devices 6, 7 are fixed to one another at their other end by a single elastic hinge 8.
  • the elastic hinge 8 comprises for example a hollow rubber cylinder secured to the end of one of the connecting pieces and receiving an end integral with the end of the other connecting piece or a spring secured to the end of one of the connecting pieces and constrained against the end of the other connecting piece.
  • the elastic articulation thus forms a ball joint allowing a rotational movement about a longitudinal axis of rotation and a transverse axis of rotation of the end of one of the connecting pieces with respect to the end of the other connecting piece.
  • the elastic articulation 8 extends substantially to the right of the center of the bogie 1, that is to say substantially in the center of the longitudinal members in the longitudinal direction and mid-distance of each of the longitudinal members in the transverse direction. According to the embodiment shown in the figures, the elastic articulation extends vertically above the longitudinal members, that is to say that the longitudinal axis of the joint is offset vertically relative to the longitudinal members.
  • the drive device 10 is connected at its center to the body of the railway vehicle by a body pivot 56.
  • the drive device 10 also comprises two rods 58, 60 connected by one of their ends to the body pivot 56 and hinged to the body pivot about a substantially vertical axis.
  • Each connecting rod 58, 60 is connected at its other end to a different connecting device 18, 20 and is articulated to this connecting device about a substantially transverse axis.
  • the driving device 10, which has substantially the shape of a Z seen from below, as shown on the Fig. 3 , allows to distribute the movement of the body in the two connecting rods 58, 60 which distribute the forces in the two axles 2, 3. This allows the bogies to rotate independently of the body, so other bogies supporting the body. The train can then take tighter turns than if there were no training devices.
  • the bogie 1 also comprises two secondary suspensions 70, 72, visible on the figure 1 , arranged on the longitudinal members 40, 42 and on which the rest of the vehicle is intended to rest. These secondary suspensions 70, 72 can dampen the movements of the truck 1 relative to the rest of the vehicle.
  • the points L and L ' are the connection points of the spar 40 to the connecting devices 18, 20 of the two axles 2, 3.
  • the points F and F' are the fixing points of each main suspension device 6, 7 on the central portion 26, 28 of the corresponding axle 2, 3.
  • the two suspension devices 6, 7 meet at the elastic joint 8, here comprising a hollow rubber cylinder.
  • a load greater than the tare (not shown) is applied to the longitudinal members 40.
  • the spar 40 lowers relative to the situation of the figure 4 .
  • the points L and L 'therefore also lower.
  • the spar 40 and the suspension devices 6, 7 being attached to the connecting device 18, 20 of the corresponding axle 2, 3, the moment due to the load applying to the spar 40, and equal to the product of this load and the distance separating the point L to the wheel center, projected horizontally, is taken up by the distance separating the point L to the articulation 8, projected approximately vertically.
  • the angles ⁇ and ⁇ 'are constant between the situations of the Figures 4 and 5 .
  • the decline of the spar 40 therefore affects the orientation of the suspension devices 6, 7 which tend to come closer.
  • the elastic articulation 8 then serves to control the deflection.
  • the elastic articulation 8 also allows the truck 1 to resume lane left and ensure the parallelism of the axles while allowing to suspend the frame of the truck 1 and the bogie engines with respect to the axles 2 and 3.
  • the structuring devices 18 and 20 opposite, associated with the two main suspension devices 6 and 7, are connected to each other by the hinge 8 on the one hand and the longitudinal members 40 and 42 by the hinges 43, 44, 45, 46 on the other hand, the assembly thus constituting a frame hinged about a substantially longitudinal axis while maintaining in cooperation with the longitudinal members 40 and 42 the parallelism of the axles 2 and 3.
  • This invention therefore makes it possible to effectively replace the four primary suspensions in a single suspension, composed of two suspension devices 6, 7 and the elastic articulation 8, thus substantially lightening the bogie.
  • the bogie has been described as comprising two motors and independent and separate wheel axles each connected to a motor by two reducers. However, it is understood that the invention also applies to bogies comprising only one motor driving in rotation a single axle or not including a motor, in the case of a bogie carrier. The invention also applies to a bogie comprising a shaft connecting the two wheels of an axle and connected to the engine via a single reducer.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Claims (10)

  1. Drehgestell (1) für Schienenfahrzeug, mit zwei Paaren von Rädern (12, 13, 14, 15), wobei die Räder (12, 13, 14, 15) eines Paares miteinander verbunden sind über eine Verbindungsvorrichtung (18, 20) zum Bilden eines Radsatzes (2, 3), wobei die besagten Radsätze (2, 3) miteinander verbunden sind durch ein Fahrgestell (4), wobei jeder der Radsätze (2, 3) mit dem Fahrgestell (4) gelenkverbunden ist um eine Achse (C-C'), die im Wesentlichen parallel zur Achse der Radsätze (2, 3) ist,
    dadurch gekennzeichnet, dass:
    das Drehgestell (1) zwei Haupt-Aufhängungsvorrichtungen (6, 7) aufweist, von denen jede einerseits mit einem verschiedenen Radsatz (2, 3) verbunden ist und andererseits mit einem einzigen elastischen Gelenk (8) verbunden ist, das eine Aufhängung des Fahrgestells (4) bezüglich der Radsätze (2, 3) bildet.
  2. Drehgestell gemäß Anspruch 1, dadurch gekennzeichnet, dass das elastische Gelenk (8) sich im Wesentlichen genau im Zentrum des Drehgestells (1) erstreckt.
  3. Drehgestell gemäß irgendeinem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Aufhängungsvorrichtungen (6, 7) jeweils einen Endabschnitt (48, 50) in Form einer Gabel aufweisen, die zwei Zweige (51, 52) aufweist, die an der Verbindungsvorrichtung (18, 20) des korrespondierenden Radsatzes (2, 3) befestigt sind.
  4. Drehgestell gemäß irgendeinem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das elastische Gelenk (8) zwischen den Aufhängungsvorrichtungen (6, 7) ein Zylinder aus ausgehöhltem Kautschuk ist.
  5. Drehgestell gemäß irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das elastische Gelenk (8) zwischen den Aufhängungsvorrichtungen (6, 7) eine Feder aufweist.
  6. Drehgestell gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindungsvorrichtungen (18, 20) jeweils einen Motor (30, 32) und ein Getriebe (35, 36, 37, 39) aufweisen, sodass die Achse der Verbindungsvorrichtung (18, 20) im Wesentlichen parallel und zumindest längsversetzt bezüglich der Achse der Räder (A-A') ist.
  7. Drehgestell gemäß dem Anspruch 6, dadurch gekennzeichnet, dass die Achse der Verbindungsvorrichtung (18, 20) jedes Radsatzes (2, 3) dem Schwerpunkt des Drehgestells (1) näher ist als die Achse des korrespondierenden Paars von Rädern (A-A').
  8. Drehgestell gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Radsätze (2, 3) jeweils einen nicht drehenden Teil (26, 28) aufweisen, an dem die korrespondierende Aufhängungsvorrichtung (6, 7) an dem Radsatz (2, 3) befestigt ist.
  9. Drehgestell gemäß irgendeinem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Drehgestell (1) zwei Längsträger (40, 42) aufweist, die sich beidseitig der Radsätze (2, 3) erstrecken, wobei jede Verbindungsvorrichtung (18, 20) an einem Ende jedes Längsträgers (40, 41) angelenkt ist.
  10. Schienenfahrzeug mit wenigstens einem Drehgestell (1) gemäß einem der Ansprüche 1 bis 9.
EP16150665.4A 2015-01-09 2016-01-08 Drehgestell, das eine zentralisierte primärfederung umfasst Active EP3042821B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1550171A FR3031490B1 (fr) 2015-01-09 2015-01-09 Bogie comprenant une suspension primaire centralisee

Publications (2)

Publication Number Publication Date
EP3042821A1 EP3042821A1 (de) 2016-07-13
EP3042821B1 true EP3042821B1 (de) 2018-07-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16150665.4A Active EP3042821B1 (de) 2015-01-09 2016-01-08 Drehgestell, das eine zentralisierte primärfederung umfasst

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EP (1) EP3042821B1 (de)
CN (1) CN105774835B (de)
FR (1) FR3031490B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114056367B (zh) * 2020-08-04 2023-06-27 中车山东机车车辆有限公司 内侧悬挂直驱径向转向架和货车

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781124A (en) * 1974-01-31 1988-11-01 Railway Engineering Associates, Inc. Articulated trucks
US4667603A (en) * 1985-08-20 1987-05-26 Sea-Land Corporation, Inc. Articulated car for intermodal containers
CH699589A2 (de) * 2008-09-22 2010-03-31 Josef Meyer Bogie Ag Güterwagendrehgestell.
FR2946308B1 (fr) * 2009-06-05 2011-08-05 Alstom Transport Sa Bogie de vehicule ferroviaire articule
JP2013216175A (ja) * 2012-04-06 2013-10-24 Kawasaki Heavy Ind Ltd 鉄道車両用台車及びそれを備えた鉄道車両

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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None *

Also Published As

Publication number Publication date
CN105774835A (zh) 2016-07-20
CN105774835B (zh) 2019-09-20
EP3042821A1 (de) 2016-07-13
FR3031490B1 (fr) 2017-02-10
FR3031490A1 (fr) 2016-07-15

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