EP0082043B1 - Zweistufige Aufhängevorrichtung einer Eisenbahnfahrzeugachse - Google Patents

Zweistufige Aufhängevorrichtung einer Eisenbahnfahrzeugachse Download PDF

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Publication number
EP0082043B1
EP0082043B1 EP19820402178 EP82402178A EP0082043B1 EP 0082043 B1 EP0082043 B1 EP 0082043B1 EP 19820402178 EP19820402178 EP 19820402178 EP 82402178 A EP82402178 A EP 82402178A EP 0082043 B1 EP0082043 B1 EP 0082043B1
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EP
European Patent Office
Prior art keywords
suspension
axle
resilient
intermediary
stage
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.)
Expired
Application number
EP19820402178
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English (en)
French (fr)
Other versions
EP0082043A1 (de
Inventor
Guy Thomas
Robert Demptos
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.)
Soule SA
Original Assignee
Soule SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR8123206A external-priority patent/FR2518038A1/fr
Priority claimed from FR8218757A external-priority patent/FR2535663A2/fr
Application filed by Soule SA filed Critical Soule SA
Priority to AT82402178T priority Critical patent/ATE18028T1/de
Publication of EP0082043A1 publication Critical patent/EP0082043A1/de
Application granted granted Critical
Publication of EP0082043B1 publication Critical patent/EP0082043B1/de
Expired legal-status Critical Current

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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
    • B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging 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
    • B61F5/26—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
    • B61F5/305—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating rubber springs

Definitions

  • the lift and the guidance are produced by a single-stage suspension with guidance of the bearing box for each end of the axle.
  • This assembly therefore does not have a transverse suspension and, therefore, there is not only a level of frequency filtration between the axle and the body of the vehicle which causes very often sudden lateral movements therefore generating shocks.
  • a device is also known (see fig. 1 and 2, right half and fig. 4) of patent GB-A-1149352, the primary suspension of which rests directly on the bearing box by one of its ends and on prismatic boxes and inclined at its other end, these boxes being integral with an intermediate spar holding the lower part of the elements forming the secondary suspension which is fixed by its upper end to the chassis of the vehicle.
  • the present invention relates to a device which applies to a rail vehicle comprising only two axles but which uses a primary suspension, a secondary suspension and a transverse suspension.
  • the two-stage suspension device for a single axle of a vehicle on rails consists of two suspension stages, one of which (the primary suspension) directly connects the rolling box via a part of said box with an intermediate spar which is itself supported by the other stage (the secondary suspension) which is supported on supports directly connected to the vehicle chassis,
  • this device being characterized in that the aforementioned intermediate spars are connected two two by cross members arranged symmetrically with respect to the axis of the axle and thus forming a rigid frame maintaining the geometry of the assembly, in that the primary suspension is disposed between the outer casing of the rolling box and the intermediate spar in the vertical direction and in that the supports for the secondary suspension consist of prismatic boxes forming a stop, so as to give a slight tilt from bottom to top and in opposition to the organs constituting the secondary suspension.
  • the two-stage suspension device for a single axle of a vehicle on rails is formed by two suspension stages, one of which (the primary suspension) directly connects the rolling box via '' a part of said box to an intermediate spar which is itself supported by the other stage (the secondary suspension) which is supported on supports directly connected to the chassis of the vehicle,
  • the device being characterized in that the aforementioned intermediate spars are connected two by two by cross members arranged symmetrically with respect to the axis of the axle and thus forming a rigid frame maintaining the geometry of the assembly, in that the primary suspension is disposed between the outer carcass of the box bearing and prismatic and inclined boxes, these boxes being integral with the intermediate spar, in that the secondary suspension is carried out in a vertical direction authorized ant a horizontal movement and in that to ensure the drive of this construction there is provided on each side a longitudinal control rod articulated on elastic ball joints integral with one of the intermediate spar and the other of the vehicle chassis.
  • Fig. 1 is an elevation of a first embodiment of the two-stage suspension device for an axle of rail vehicles.
  • Fig. 2 is a plane corresponding to FIG. 1.
  • Fig. 3 is a sectional elevation substantially along line III-III of FIG. 4 of a second embodiment of the two-stage suspension for an axle of rail vehicles.
  • Fig. 4 is a plane corresponding to FIG. 3.
  • Fig. 5 is a side elevation of a suspension device for a two-wheeled axle for wagons according to the invention.
  • Fig. 6 is a top plan corresponding to FIG. 5.
  • Fig. 7 is a section substantially along the line VII-VII of FIG. 6.
  • a line 1 the chassis of a rail vehicle for example of a passenger car.
  • This chassis usually consists of two suitably braced beams.
  • the lower part. of the longitudinal members of the chassis 1 carries at each of their ends boxes 2, 3 of prismatic shape whose front faces 2a, 3a are planar to form a stop intended to receive the end 4a of a cylinder 4 which are layered composite elements in rubber metal sandwich.
  • the above description shows that the geometry of the assembly is carried out using the intermediate beams 6 and the crosspieces 7, 8 which form a rigid frame ensuring the geometry of the wheel set 12 considered and a correct drive of all.
  • the first suspension stage constituted by the suspension elements 15 absorbs a large number of vertical frequencies while the cylinders 4 absorb the longitudinal and transverse frequencies thus avoiding sudden lateral movements which generate shocks.
  • the cross member 8 carries the braking device 20, the shoes 21 of which are seen near the tires of the wheels 12.
  • This assembly is simple, compact and makes it possible to provide vehicles on rails and in particular passenger cars with comfort identical to the comfort obtained when using bogies each comprising two axles with two wheels. But the latter solution is much more expensive both in the production and in the maintenance of the equipment. In addition, the use of bogie vehicles very often causes an increase in energy expenditure.
  • axle described above can receive a drive axle for a vehicle of the light railcar type.
  • the engine reaction box is then secured to the body by means of elastic joints not shown.
  • the spacing of the cylinders 4 forming the secondary suspension is provided sufficient to ensure an anti-tilt torque to the frame composed of the intermediate beams 6 and of the crosspieces 7 and 8.
  • FIG. 3 shows an alternative embodiment of the two-stage suspension device in which the vehicle chassis is represented by the line 30, this chassis carrying at specific points two plates 31 on which rest the upper ends of springs 32 embedded in an elastic material 33, for example rubber.
  • the lower part of these mixed elastic elements 32, 33 rests on plates 34, 35 extending each intermediate spar 36 connected to the other symmetrical spar 36 by cross-members 37, 38 with round section arranged symmetrically with respect to the axis 41 of the axle 40 carrying the wheels 42.
  • Each intermediate spar 36 has substantially the shape of an inverted "U” which substantially covers the end parts of each axle 40 so that each bearing box 43 is arranged just below the transverse lower part 36a of each intermediate spar 36 in "U” overturned.
  • the branches 36b, 36c of the cross-member 36 in an inverted “U” shape carry in their median zones, inner sides, boxes 138 on which bear elastic blocks 39 in chevrons of a type known per se, these elastic blocks resting on their other ends on the outer carcass 47 of the bearing box 43 receiving the end of the axle 40 considered.
  • the outer carcass 47 carries a flat 50 intended to cooperate with a stop 51 placed just above on the horizontal lower part of the intermediate spar 36 in an inverted "U” considered.
  • the drive of the axle is necessarily carried out in an artificial manner by two control rods 55 articulated at 56 on the end 36d of each intermediate spar 36 and on a base 57 secured to the underside of the chassis 30 of the vehicle.
  • the articulations of the connecting rods 55 are constituted by elastic ball joints 60, 61.
  • one of the crosspieces 37 carries the brake connecting rods 65 controlling the rotation of the brake pads 66 rubbing against the outer periphery of each of the wheels 42.
  • the retaining frame constituted by the intermediate beams 36 and the crosspieces 37, 38 ensures the correct geometry and the strength of the assembly.
  • the secondary suspension can receive vertical and transverse hydraulic shock absorbers of a common type.
  • the vertical dampers placed at the right of each secondary suspension element are such that they can also dampen any galloping movements of the frame 36, 37, 38.
  • a line 100 the chassis of a rail vehicle, for example a passenger car.
  • This chassis normally consists of two beams suitably braced.
  • the lower part of the frame rails 1 carries at each of the ends of the boxes 102, 103 whose front face 102a, 103a is inclined substantially at 45 ° relative to the longitudinal axis X1, X2 of the car (see fig. 6) .
  • the aforementioned inclined faces 102a, 103a each carry a simple elastic element 104 of the same family as the bolsters, that is to say composite elements each consisting of at least one spring element, made of flexible deformable material, for example rubber treaty.
  • the four elements 106 form the vertical and transverse secondary suspension in a frame 107 consisting of intermediate beams 108 and cross members 109.
  • each axle 111 on which the wheels 112, 113 are mounted are supported by lower parts 114 of suitable shape and which are connected to the intermediate beams 108 by suspension elements 115, 116 arranged vertically and which are fixed by their upper parts on supports 117, 118 integral with the lower part of the intermediate beams 108.
  • each inclined face 102a, 103a of the boxes 102, 103 is disposed inclined on the vertical in a similar manner to the suspension members 106 and also inclined transversely so that the normal to the plane which it represents contributes to the fictitious center of rotation of the axle 111 thus formed.
  • each simple elastic element simulates a conical pivot portion of large diameter and the work of these elements is similar to that of an elastic pivot.
  • This device therefore generates the desired freedom of rotation and has the advantage of being able to allow, by dimensioning and choice of rubber, the precise determination of the elastic rotation torque.
  • the intermediate fixing element 102a, 104 allows the use, in this assembly, of separate elements so that the parts are easily interchangeable.
  • Another way to mount this element is to place it between the secondary suspension bolster 106 and the movable frame.
  • the first solution is preferred because it places the sandwich sandwich elements 102a, 104 better.

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

Claims (5)

1. Vorrichtung für die zweistufige Aufhängung eines Achsgestells eines Schienenfahrzeugs, die durch zwei Stufen von Federeinrichtungen gebildet ist, von denen die eine (erste Federeinrichtung 15,39) das Lagergehäuse (17) über ein Teil (16, 47) desselben mit einem zwischengeschalteten Längsträger (6, 36) direkt verbindet, der ihrerseits von der anderen Stufe (zweite Federeinrichtung 4, 32, 33) getragen wird, die sich auf unmittelbar mit dem Chasssis (1, 30) des Schienenfahrzeugs verbundenen Stützen abstützt, dadurch gekennzeichnet, dass jeweils zwei zwischengeschaltete Längsträger (6) durch zwei Traversen (7, 8), die symmetrisch bezüglich der Achse (10) des Achsgestells (11) angeordnet sind und dadurch einen steifen Rahmen bilden, der die Geometrie der Einheit sichert, verbunden sind, dass die erste Federeinrichtung (15) in vertikaler Richtung zwischen dem äusserlichen Teil (16) des Lagergehäuses (17) und dem zwischengeschalteten Längsträger (6) angeordnet ist und dass die für die zweite Federeinrichtung (4) bestimmten Stützen aus prismatischen Caissons (2, 3) bestehen, welche dargestellt einen Anschlag bilden, dass sie eine leichte Neigung von unten nach oben und in Gegenrichtung zu den Organen, die die zweite Federeinrichtung bilden, geben.
2. Vorrichtung für die zweistufige Aufhängung eines Achsgestells eines Schienenfahrzeugs, die durch zwei Stufen von Federeinrichtungen gebildet ist, von denen die eine (erste Federeinrichtung 15,39) das Lagergehäuse (17) über ein Teil (16, 17) desselben mit einem zwischengeschalteten Längsträger (6, 36) direkt verbindet, der ihrerseits von der anderen Stufe (zweite Federeinrichtung 4, 32, 33) getragen wird, die sich auf unmittelbar mit den Chassis (1, 30) des Schienenfahrzeuges verbundenen Stützen abstützt, dadurch gekennzeichnet, dass jeweils zwei zwischengeschaltete Längsträger (36) durch zwei Traversen (37, 38), die symmetrisch bezüglich der Achse (41) des Achsgestells (40) angeordnet sind und dadurch einen steifen Rahmen bilden, der die Geometrie der Einheit sichert, verbunden sind, dass die erste Federeinrichtung (39) zwischen dem äusserlichen Teil (47) des Lagergehäuses (43) und prismatischen und geneigt angeordneten Caissons (138) angeordnet ist, wobei diese Caissons mit dem zwischengeschalteten Längsträger (36) fest verbunden sind, dass die zweite Federeinrichtung (32, 33) in vertikaler Richtung aufgebaut ist, um eine horizontale Bewegung zu ermöglichen, und dass um die Führung dieser Vorrichtung sicherzustellen, auf einer Seite dieser Vorrichtung longitudinale Achslenker (55) vorgesehen sind, die an elastischen Kugelgelenken (60, 61) angelenkt sind, von denen die einen mit dem zwischengeschalteten Längsträger (36) und die anderen mit dem Chassis (30) des Schienenfahrzeugs verbunden sind.
3. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Federn, die die ersten und zweiten Federeinrichtungen bilden, entweder in Form einer Schichtanordnung eines elastischen Metalls und eines deformierbaren, nachgiebigen Materials wie beispielsweise Kautschuck aufgebaut sind, oder dass sie durch schrauben- oder spiralförmige Federn gebildet sind, die mehr oder weniger in einem elastischen Material wie beispielsweise Kautschuck eingebettet sind.
4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass in jeder Ecke des vorgenannten Rahmens ein elastisches Element (104) vorgesehen ist, das sich an der zweiten Federeinrichtung abstützt, um ein ausreichendes, transversales Bewegungsspiel des Rahmens zu ermöglichen.
5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die elastischen Elemente (104) am Rahmen des Chassis des Schienenfahrzeugs durch äussere, obere Caissons (102 bis 103) befestigt sind, dass die Position jedes oberen elastischen Elements (104) gegenüber der Vertikalen in ähnlicher Weise wie die elastischen Organe der zweiten Federeinrichtung (106) geneigt und ebenfalls quer dergestalt geneigt ist, dass die Normale der ebenen Fläche, die dieses Teil aufweist, durch das fiktive Zentrum der Rotation läuft und dadurch ebenfalls eine gewisse Rotation um die Vertikalachse des Achsgestells zulässt.
EP19820402178 1981-12-11 1982-11-30 Zweistufige Aufhängevorrichtung einer Eisenbahnfahrzeugachse Expired EP0082043B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82402178T ATE18028T1 (de) 1981-12-11 1982-11-30 Zweistufige aufhaengevorrichtung einer eisenbahnfahrzeugachse.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8123206 1981-12-11
FR8123206A FR2518038A1 (fr) 1981-12-11 1981-12-11 Dispositif de suspension a deux etages pour essieu de vehicules sur rails
FR8218757 1982-11-09
FR8218757A FR2535663A2 (en) 1982-11-09 1982-11-09 Two-stage suspension device for an axle for vehicles on rails.

Publications (2)

Publication Number Publication Date
EP0082043A1 EP0082043A1 (de) 1983-06-22
EP0082043B1 true EP0082043B1 (de) 1986-02-19

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EP19820402178 Expired EP0082043B1 (de) 1981-12-11 1982-11-30 Zweistufige Aufhängevorrichtung einer Eisenbahnfahrzeugachse

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EP (1) EP0082043B1 (de)
DE (2) DE82043T1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344469C1 (de) * 1993-12-22 1995-02-09 Aeg Schienenfahrzeuge Einzelfahrwerk für Schienenfahrzeuge
DE19522253C1 (de) * 1995-06-20 1997-02-06 Sig Schweiz Industrieges Einrichtung zur Abstützung, Führung und Lenkung eines gebremsten und/oder angetriebenen Radsatzes für Schienenfahrzeuge

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3718254A1 (de) * 1987-05-30 1988-12-15 Fritz Prof Dr Ing Frederich Fahrwerk fuer schienenfahrzeuge
DE4110492A1 (de) * 1991-03-30 1992-10-01 Duewag Ag Schienenfahrzeug, insbesondere niederflurfahrzeug
DE4141463A1 (de) * 1991-12-12 1993-06-17 Aeg Schienenfahrzeuge Radsatzfuehrung, insbesondere fuer schienenfahrzeuge mit drehgestellen
DE4309324C1 (de) * 1993-03-18 1994-04-07 Aeg Schienenfahrzeuge Einachsfahrwerk für Schienenfahrzeuge
DE59507465D1 (de) * 1994-04-26 2000-01-27 Sig Schweiz Industrieges Gefedertes radsatz-einzelfahrwerk
JP4060901B2 (ja) * 1996-10-24 2008-03-12 株式会社都市文化研究所 ボギー台車用軸箱支持装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1347878A (en) * 1919-04-24 1920-07-27 Walter P Murphy Railway-car
GB307224A (en) * 1928-03-21 1929-03-07 Alfred Walter Maley Improvements in the suspension of rail vehicles
GB891461A (en) * 1957-07-23 1962-03-14 Metalastik Ltd Improvements in or relating to resilient mountings for railway vehicles
GB1149352A (en) * 1965-05-25 1969-04-23 Gloucester Railway Carriage Improvements in or relating to railway vehicle suspensions
FR1583772A (de) * 1968-03-19 1969-12-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344469C1 (de) * 1993-12-22 1995-02-09 Aeg Schienenfahrzeuge Einzelfahrwerk für Schienenfahrzeuge
DE19522253C1 (de) * 1995-06-20 1997-02-06 Sig Schweiz Industrieges Einrichtung zur Abstützung, Führung und Lenkung eines gebremsten und/oder angetriebenen Radsatzes für Schienenfahrzeuge

Also Published As

Publication number Publication date
DE82043T1 (de) 1984-04-12
EP0082043A1 (de) 1983-06-22
DE3269254D1 (en) 1986-03-27

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