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EP0420801B1 - Rail vehicle - Google Patents

Rail vehicle Download PDF

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Publication number
EP0420801B1
EP0420801B1 EP90810702A EP90810702A EP0420801B1 EP 0420801 B1 EP0420801 B1 EP 0420801B1 EP 90810702 A EP90810702 A EP 90810702A EP 90810702 A EP90810702 A EP 90810702A EP 0420801 B1 EP0420801 B1 EP 0420801B1
Authority
EP
European Patent Office
Prior art keywords
connectors
bogie
vehicle according
support member
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.)
Expired - Lifetime
Application number
EP90810702A
Other languages
German (de)
French (fr)
Other versions
EP0420801A1 (en
Inventor
Alberto Cortesi
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.)
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Original Assignee
Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
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Publication date
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Application filed by Schweizerische Lokomotiv und Maschinenfabrik AG (SLM) filed Critical Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
Priority to AT90810702T priority Critical patent/ATE97072T1/en
Publication of EP0420801A1 publication Critical patent/EP0420801A1/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL 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
    • B61F5/00Constructional 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
    • B61F5/38Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL 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
    • B61F3/00Types of bogies
    • B61F3/02Types of bogies with more than one axle
    • B61F3/04Types of bogies with more than one axle with driven axles or wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL 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
    • B61F5/00Constructional 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
    • B61F5/38Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • B61F5/44Adjustment controlled by movements of vehicle body

Definitions

  • the invention relates to a rail vehicle with a vehicle body and at least two bogies, each containing two sets of wheels with axles mounted in lateral axle bearings and a bogie frame which is supported on the axle bearings via flexible support elements at least in the longitudinal direction of the bogie, each axle additionally in one its supported guide part is mounted and the two guide parts are coupled to the vehicle body via connecting means suitable for transmitting tensile and / or braking forces, each of which has an at least approximately radial adjustment of the axes with respect to a curve to be traversed that is independent of these tensile and / or braking forces allow.
  • the guide parts are each formed by a housing of a drive device supported on the relevant wheel set.
  • the housings are each held in the bogie frame by means of a suspension pendulum and two handlebars converging in the longitudinal direction of the bogie about the vertical axis.
  • the axle bearings are guided by horizontally deflectable springs, which are not subjected to tensile and braking forces.
  • the tensile and braking forces are transmitted via the housing and the handlebar pairs to the bogie frame and from there - via a pivot or a deep-drawing device - to the vehicle body. Accordingly, an angle setting of the wheel sets, which is independent of the tensile and braking forces, is achieved in each case about the vertical axis determined by the intersection of the elongated longitudinal axes of the handlebar pair.
  • a cross-coupling device with a wishbone arranged between the two housings is also known from the cited patent specification, by means of which the housings are each rotatably coupled in the opposite direction of rotation about the vertical axis in question.
  • the handlebar pairs form an essentially rigid connection in the longitudinal direction of the bogie between each of the wheel sets and the bogie frame, which thus must also absorb the relatively large tensile and braking forces in addition to the vertical support forces and the transverse forces.
  • the known embodiment therefore requires a construction of the bogie frame that is relatively stiff and correspondingly heavy, particularly in the longitudinal direction.
  • the invention has for its object to provide in a further development of the above-mentioned embodiment, in particular in this regard improved rail vehicle with a simplified guide arrangement for the wheel sets and a bogie frame which is essentially unstressed by the tensile and braking forces and can be constructed in a lightweight design.
  • the connecting means per bogie each contain a single longitudinal link articulated on the vehicle body and on one of the guide parts and two drawbar-like connecting parts which are rigidly connected to one of the guide parts and which are pivotable with one another via an articulated connection are non-positively coupled and which are held in a transverse direction relative to the vehicle body by means of a support part suitable for the transmission of supporting forces.
  • the tensile and / or braking forces of the wheel sets are transmitted directly to the vehicle body via the connecting parts and the trailing arm, so that the bogie frame is not subjected to any significant stress by longitudinal forces when the vehicle is traveling straight ahead, and only when cornering through the respective angular position of the Corresponding, relatively low restoring forces of the supporting elements connected to the axle bearings are claimed.
  • the construction according to the invention permits the use of support elements which are relatively soft in the longitudinal direction of the bogie and which allow substantially unimpeded adjustment movements of the wheel sets which are unaffected by tensile and braking forces.
  • the bogie frame is therefore mainly designed for the absorption of vertical support forces and transverse forces. This allows the bogie frame to be made relatively light.
  • the interconnected connecting parts form a simple guide device with few moving parts and correspondingly few articulation points.
  • the rail vehicle shown in FIG. 1 has a vehicle body 1 which is supported on two bogies 3 and 4 via lateral springs (secondary springs) 2 is.
  • the bogies 3 and 4 each contain two wheel sets 5 and 5a, with axles 6 and 6a mounted in lateral axle bearings 7, and a bogie frame 8 which is supported on the axle bearings 7 via horizontally deflectable support elements (primary springs) 10.
  • the bogie frames 8 are each formed by two longitudinal members 11 and a cross member 12 connecting them (FIG. 3).
  • the wheel sets 5 and 5a are each provided with a motor 13 or 13a, which is coupled to the axle 6 or 6a via a pinion 14 and a gear wheel 15.
  • the motors 13 and 13a are each mounted on the respective axis 6 or 6a via a guide part 16 or 16a and are supported on the cross member 12 via a rigid drawbar-like connecting part 17 or 17a.
  • the connecting parts 17 and 17a are coupled to one another via an articulated connection 18 suitable for the transmission of tensile and / or braking forces.
  • the guide parts 16 and 16a and the connecting parts 17 and 17a can each be formed on an extension of the motor housing or, as shown, be releasably attached to the motor 13 or 13a.
  • connection 18 comprises a bearing pin 20 arranged transversely on one connecting part, according to FIG. 3 in a fork-shaped end part of the connecting part 17a, and a bearing bush 21 arranged on the other connecting part 17 and receiving the bearing pin 20, which permits cardanic relative movements of the bearing pin 20.
  • the side members 11 and the cross member 12 can each be designed with a box-shaped cross section, which is determined in the cross member 12 by an upper flange 22, a lower flange 23 and lateral webs 24.
  • the webs 24 are interrupted in the area of the center of the bogie and connected with transverse ribs 25 which, with the upper flange 22 and the lower flange 23, have a passage opening 26 for receiving them limit the mutually facing ends of the connecting parts 17 and 17a.
  • the passage opening 26 is dimensioned such that it allows deflections of the coupled connecting parts 17 and 17a in the transverse direction of the bogie.
  • connection part 17 is guided horizontally displaceably over sliding surfaces 27 between two guide surfaces 28 arranged one above the other and formed on the upper flange 22 and on the lower flange 23.
  • the sliding surfaces 27 can, as shown, be formed on sliding pieces 30 from a rubber-elastic material, which in each case ensure a shock-free elastic support of the connecting part 17 that is independent of deflections of the bogie frame 8.
  • the bearing journal 20 and the bearing bush 21 can be designed with spherical bearing surfaces 32 and 33, which each have different yawing movements of the connecting parts 17 and 17a about a longitudinal central axis B or B 'and different pivoting movements about the axis 34 of the bearing journal 20 and lateral deflections of the coupled connecting parts 17 and 17a that occur when cornering.
  • the mutually facing inner wheel sets 5 of the two bogies 3 and 4 are each coupled to the vehicle body 1 via a single longitudinal link 37 intended for the transmission of tensile and braking forces.
  • the trailing arms 37 are each articulated on a pin 38 arranged on the guide part 16 and a bracket 40 arranged on the vehicle body 1.
  • the trailing arms 37 are each arranged with such an inclination towards the horizontal that their elongated longitudinal axes, the transverse center planes 41 of the bogies 3 and 4, are each at the height of the Cut the top edge of the rail S.
  • the pin 38 and a bearing bush 39 receiving it can be designed with spherical bearing surfaces, while the end of the trailing arm 37 facing the vehicle body 1 is pivotally connected to the console 40 via intermediate pieces 42 made of a rubber-elastic material.
  • the bearing bushes 21 and 39 can be made of metal or, as shown, made of a rubber-elastic material and, if necessary, each be connected in a rotationally fixed manner to the connecting part 17 and the bearing journal 20 or to the trailing arm 37 and the journal 18, so that when pivoted relative to one another each of these parts has a corresponding restoring force of the bearing bushing 21 or 39.
  • Fig. 3 the wheel sets 5 and 5a of the bogie 4 are shown when driving through a curve.
  • the arrangement described above rotates the leading wheel set, for example, wheel set 5a in the direction of travel according to arrow A, when entering the curve in the sense of an approximately radial adjustment of the axis 6a to the curve, the trailing wheel set 5 via the coupled connecting parts 17 and 17a an equal rotation of the axis 6 is given in the opposite direction.
  • the trailing wheel set 5 has a tendency to turn out more than the leading wheel set 5a. Accordingly, the leading wheelset 5a is given a correspondingly stronger, equally large rotation in the opposite direction of rotation via the connecting parts 17 and 17a.
  • the tensile and braking forces introduced via the motor housing and the guide parts 16 and 16a are transmitted directly to the vehicle body 1, so that the bogie frame 8, the Axle bearing 7 and the support elements 10 are not claimed by components of the tensile and braking forces acting in the longitudinal direction of the bogie.
  • the wheel sets 5 and 5a are set independently of the tensile and braking forces.
  • the trailing arms 37 directed towards the center of the vehicle are each deflected relative to the longitudinal central axis B by an angle ⁇ which is dependent on the radius of the curve.
  • the connection between the trailing arm 37 and the guide part 16 can be made with a predetermined turning rigidity.
  • two stops 35 which are arranged on both sides of the trailing arm 37 and have buffer elements 36 made of a rubber-elastic material, which cooperate with the trailing arm 37, can be provided on the guide part 16.
  • a torque corresponding to the angle ⁇ about a vertical axis is exerted on the wheel set 5, which causes an increased rotation of the axis 6 against the radial position and thus a correspondingly increased rotation of the axis 6a in the opposite direction.
  • a corresponding torsional rigidity of the articulation between the trailing arm 37 and the guide member 16 can also be in any other way, e.g. through the use of spring elements.
  • the axle bearings 7 can, as is known for example from the above-mentioned CH-PS 670 228, be movably connected to the bogie frame 8 in the bogie longitudinal and transverse directions and in the vertical direction by the support elements 10.
  • the support elements 10 as shown can consist of rubber or a corresponding rubber-elastic material, with increasing rotation of the wheel sets 5 and 5a on the connecting parts 17 and 17a, a correspondingly increasing, predetermined restoring force is exerted, by means of which the wheel sets 5 and 5a when exiting the curve against that of straight travel corresponding normal position are returned.
  • connection 18 between the connection parts 17 and 17a is formed by a bearing journal 44 with a cylindrical bearing surface and a corresponding bearing bush 45 made of a rubber-elastic material, which allows cardanic relative movements of the bearing journal 44 and which also with the bearing journal 44 and the bearing bush 45 can be connected in a rotationally fixed manner.
  • the connecting parts 17 and 17a can be connected to the cross member 12 via laterally deflectable intermediate pieces 47 made of a corresponding rubber-elastic material.
  • the intermediate pieces 47 can each be in one piece or, as shown, composed of several layers and firmly connected to the connecting part 17 and a holding part 48 which can be fastened to the upper flange 22 or the lower flange.
  • the passage opening 26 provided in the cross member 12 can be formed by, for example, arcuate cutouts of the webs 24 adapted to the range of movement of the connecting parts 17 and 17a and can be delimited by correspondingly curved transverse ribs 25.
  • 5 shows the connecting parts 17 and 17a in a position which is laterally deflected by a dimension D relative to the center of the bogie M.
  • connection parts 17 and 17a on the lower flange 23 of the in this embodiment above the connection 18, e.g. I-shaped cross member 12 can be held over intermediate pieces 50 made of a rubber-elastic material, which are each attached to the top and bottom of the lower flange 23.
  • the connecting part 17 is suspended by means of screws 51 on a support plate 52 supported on the upper intermediate piece 50.
  • the connection part 17 is held clamped against the lower flange 23 via the lower intermediate piece 50.
  • the lower flange 23 and the intermediate pieces 50 are each designed with through bores 53 which surround the screws 51 with play, which allows lateral movements of the screws 51 fixedly connected to the connecting part 17 and the support plate 52 relative to the lower flange 23.
  • the coupled connecting parts 17 and 17a can be laterally deflected as described in FIG. 6 when cornering and can be reset again when driving straight ahead by the correspondingly deformed intermediate pieces 50.
  • the coupled connection parts 17 and 17a can be held on a carrier of the bogie frame 8 or, as shown in FIG. 7, on a support part 56 formed on the vehicle body 1 by at least one pendulum rod 55 which is pivotably articulated on all sides on the connection part 17 and on the support part 56 and which thus permits the above-described deflection movements of the coupled connection parts 17 and 17a relative to the vehicle body 1.
  • connection parts 17 and 17a coupled below the cross member 12 in this embodiment can be guided independently of the vehicle body 1 and from the cross member 12 by a holding device, which according to the illustration shows two arranged above the cross member 12, depending on one of the motors 13 and 13a attached, directed against each other rigid support bracket 59 and a resilient support element 54 arranged between them contains a rubber-elastic material.
  • the motors 13 and 13a mounted on the axles 6 and 6a are supported against one another via the support element 54, so that the connecting parts 17 and 17a provided for the transmission of the tensile and braking forces are kept freely deflectable in the transverse direction, essentially unloaded by vertical forces.
  • This version of the connection between the motors 13 and 13a is therefore also suitable for bogies which have a frame without a central cross member.
  • the housings of the motors 13 are provided with connecting parts 57 and 57a, which are designed with end parts 60 and 60a which can be positioned opposite one another in the longitudinal direction of the bogie and can be coupled to one another via an articulated connection 58.
  • the front part 60a is formed on two arms of the connecting part 57a which are arranged next to one another in the transverse direction.
  • the front part 60 is formed on a claw-like end piece 57 'of the connecting part 57, which on the opposite arms of the connecting part 57a each between two bogies arranged one behind the other in the longitudinal direction of the bogie, suitable for the transmission of tensile and braking forces, made of rubber or a corresponding buffer elements 61 and 62 elastic material is clamped.
  • the connecting part 57a is on the cross member 12 between the one above the other arranged elastic spacers 47 held laterally deflectable.
  • the buffer elements 62 are each arranged between the end piece 57 'and a holding part 63 which is held clamped by means of screws 64 via the buffer element 62, the end piece 57' and the buffer element 61 against the corresponding end part 60a of the connecting part 57a.
  • the screws 64 are passed through bores 65 provided in the end pieces 57 ', each of which receives the screws 64 with play on all sides, which permits the corresponding lateral and vertical relative movements of the screws 64 and the holding parts 63 in the event of the lateral deflections of the connecting parts 57 and 57a .
  • the connecting parts 57 and 57a are movably coupled in the longitudinal and transverse direction of the bogie by the correspondingly deformable buffer elements 61 and 62 .
  • This design enables, in particular when using relatively soft buffer elements 61 and 62, different turns of the wheel sets 5 and 5a on the short side, so that any additional turning of the one wheel set which may be caused by track errors, for example, does not affect the setting of the other wheel set given by the general course of the curve can significantly affect. In certain applications, corresponding different turns of the wheel sets 5 and 5a are even desirable to improve cornering.
  • a corresponding additional rotation of the wheel set 5 is indicated by a distance C between the intersections of the longitudinal center axes B and B 'of the wheel sets 5 and 5a with the transverse center plane 41 of the bogie 4.
  • the connecting parts 17 and 17a which are coupled to one another in a spatially movable manner, are coupled to the cross member 12 via an additional joint connection 67 arranged in the center of the bogie M.
  • the articulated connection 67 can, as shown in FIG. 12, contain two pins 68 arranged vertically on the connecting part 17 and two bearing bushes 69 receiving these, which are each held in a bearing piece 70 made of a rubber-elastic material and attached to the upper flange 22 and the lower flange 23.
  • the connection pieces 17 and 17a are articulated on the crossmember 12 so that they can move in space, by means of the bearing pieces 70 each contained in a holder 71.
  • other means e.g. lateral stops can be provided, through which the connecting parts 17 and 17a can be coupled to the cross member 12, in particular in the transverse direction.
  • the wheel sets 5 and 5a are turned when cornering via the connecting parts 17 and 17a in each case about a vertical axis H running through the pins 68 against the corresponding radial position, the vertical axis H and the one with the pins 68 connected bogie frame 8 to the axle bearings 7 towards the outside of the curve.
  • the wheel sets 5 and 5a are each given an additional turning movement in the sense of a radial position of the axles 6 and 6a via the connecting parts 17 and 17a, so that the "excess centrifugal force" mentioned can be used to improve the setting of the wheel sets 5 and 5a.
  • the support elements 10 which are firmly connected to these and the axle bearings 7 are each deflected in the bogie longitudinal and transverse directions.
  • the corresponding restoring forces of the support elements 10 support the return of the wheel sets 5 and 5a to their normal positions corresponding to straight-ahead driving.
  • the bearing pieces 70 surrounding the pins 68 are designed with a transverse stiffness in the transverse direction of the bogie which is greater than the sum of the corresponding transverse stiffnesses of the Supporting elements 10. In this way, at least a portion of the lateral displacement of the bogie frame 8 caused by centrifugal force which is predetermined by the difference in the transverse stiffnesses can be used for the additional turning of the wheel sets 5 and 5a.
  • the center of the bogie M is shown offset by a dimension E in the transverse direction due to excess centrifugal force relative to the vertical axis H.
  • the vertical axis H would run through the center of the bogie M; accordingly, the connecting parts 17 and 17a would be turned out more by the dimension E than the position shown.
  • a centrifugal force-related, additional turning of the wheel sets 5 and 5a can also be achieved with a support of the connecting parts 17 and 17a designed according to FIG. 5 if the intermediate pieces 47 are designed with a transverse stiffness that is greater than the sum of the transverse stiffnesses with the bogie frame 8 and the axle bearings 7 connected support elements 10.
  • the wheel sets 5 and 5a of a bogie can also be guided over two connecting parts 17 and 17a which are coupled to one another in the manner described, which in this embodiment each have a guide part 72 or, respectively, mounted on the relevant wheel set axle 6 or 6a.
  • 72a of a braking device 73 or 73a are connected.
  • the guide parts 72 and 72a can also each be formed by a part of the connecting part 17 or 17a.
  • the braking devices 73 and 73a each contain two brake disks 74 mounted on the axles 6 and 6a and two brake shoe assemblies 75 which cooperate with them and are arranged on the guide part 72 and 72a in question.
  • the wheel sets 5 and 5a are arranged on the guide part 72 and to the vehicle body 1 articulated trailing arm 37 and the connecting parts 17 and 17a when cornering in each case in the manner described in the sense of a radial adjustment of the axis 6 and 6a.
  • connection parts 17 and 17a can, as indicated in FIG. 13, be held in an adjustable manner in the transverse direction with the crossmember 12 also via an actuating device 76, according to the illustration a piston / cylinder arrangement which can be actuated via pressure medium lines 77.
  • actuating device 76 Via the control device 76, from the driver's cab or depending on signals from e.g. the track detection control device, the respective lateral deflection of the connecting parts 17 and 17a controlled amplified or blocked in a predetermined position and thus the angular positions of the axes 6 and 6a are influenced with respect to the curve passed.
  • a passive device e.g. a piston / cylinder arrangement acting as a shock absorber
  • a mechanical blocking device e.g. in the form of side stops, not shown, may be provided.
  • the axles 6 and 6a of the wheel sets 5 and 5a can be designed without brake disks 74 and can be at least approximately radially adjustable in the guide parts 72 and 72a, which are correspondingly free of actuating devices, and can be set to be adjustable.
  • the axles 6 and 6a of the wheel sets 5 and 5a are in the guide parts 16 and 16a the motors 13 and 13a are each movably mounted in the axial direction, the gearwheels 15, which are firmly connected to the axles 6 and 6a, as known, for example, from CH-PS 609 290, interact with the pinions 14 so as to be displaceable in the axial direction.
  • the motors 13 and 13a coupled via the connecting parts 17 and 17a are each held stationary in the transverse direction with respect to the bogie frame 8 by a control arm 80.
  • the wishbones 80 are expediently each articulated at a relatively large distance from the articulated connection 18, as shown on a bracket 81 arranged on the guide part 16 or 16a on the side facing away from the connecting part 17 or 17a, and on the adjacent side member 11 of the bogie frame 8.
  • the coupled wheel sets 5 and 5a are each pivotable about a vertical axis H 'determined by the articulation point of the wishbone 80 on the bracket 81, the axially movable mounting of the wheel sets 5 and 5a each having independent axial displacement movements of these wheel sets 5 and 5a.
  • a track error shown exaggerated in FIG.
  • the control arms 80 can also each be articulated at a different location, for example on the motor 13 or 13a, which is suitable for determining a corresponding vertical axis H '.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Escalators And Moving Walkways (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

The rail vehicle contains a vehicle body and two bogies (4) which each have two wheel sets (5, 5a) with axles (6, 6a), which can be adjusted at least approximately radially with respect to a curve to be travelled through and mounted in axial bearings (7), and a bogey frame (8) which is supported on the axle bearings (7) via support elements which are resilient at least in the longitudinal direction of the bogey. The axles (6, 6a) are additionally each mounted in a guide part (16 and 16a, respectively) and coupled to the vehicle body via connecting means which are suitable for transmitting pulling and/or braking forces, which means comprise, per bogey (4), in each case a single longitudinal connecting element (37) which is coupled in a spatially moveable manner to the vehicle body and to one of the guide parts (16) and two hitch-like connecting parts (17 and 17a) which are rigidly connected in each case to one of the guide parts (16 and 16a). The connecting parts (17 and 17a) are coupled to one another so as to be swivellable in a spatially moveable manner and are supported on a support part (12) of the vehicle so as to be capable of sideways deflection. In accordance with this, the stressing of the bogey frame (8) by the pulling and/or braking forces is avoided and the radial adjustment of the wheel sets (5 and 5a) is made easier. <IMAGE>

Description

Die Erfindung betrifft ein Schienenfahrzeug mit einem Fahrzeugkasten und mindestens zwei Drehgestellen, welche je zwei Radsätze mit in seitlichen Achslagern gelagerten Achsen und einen Drehgestellrahmen enthalten, der auf den Achslagern über zumindest in Drehgestell-Längsrichtung nachgiebige Stützelemente abgestützt ist, wobei jede Achse zusätzlich in einem auf ihr abgestützten Führungsteil gelagert ist und die beiden Führungsteile mit dem Fahrzeugkasten über zum Uebertragen von Zug- und oder Bremskräften geeignete Verbindungsmittel gekoppelt sind, welche jeweils eine von diesen Zug- und/oder Bremskräften unabhängige, zumindest annähernd radiale Einstellung der Achsen bezüglich einer zu durchfahrenden Kurve zulassen.The invention relates to a rail vehicle with a vehicle body and at least two bogies, each containing two sets of wheels with axles mounted in lateral axle bearings and a bogie frame which is supported on the axle bearings via flexible support elements at least in the longitudinal direction of the bogie, each axle additionally in one its supported guide part is mounted and the two guide parts are coupled to the vehicle body via connecting means suitable for transmitting tensile and / or braking forces, each of which has an at least approximately radial adjustment of the axes with respect to a curve to be traversed that is independent of these tensile and / or braking forces allow.

Bei einem aus der CH-PS 670 228 bekannten Schienenfahrzeug der genannten Art sind die Führungsteile je durch ein auf dem betreffenden Radsatz abgestütztes Gehäuse einer Antriebseinrichtung gebildet. Die Gehäuse sind im Drehgestellrahmen je über ein Hängependel und zwei in Drehgestell-Längsrichtung gegen die Achse hin konvergierende Lenker um eine Hochachse schwenkbar gehalten. Durch diese an den Gehäusen angreifenden Lenkerpaare sind die Achsen der Radsätze jeweils im wesentlichen radial zur durchfahrenen Kurve einstellbar geführt. Die Achslager sind durch horizontal auslenkbare Federn geführt, welche von den Zug- und Bremskräften nicht beansprucht sind. Die Zug- und Bremskräfte werden über das Gehäuse und die Lenkerpaare auf den Drehgestellrahmen und von diesem - über einen Drehzapfen oder eine Tiefzugvorrichtung - auf den Fahrzeugkasten übertragen. Entsprechend wird somit jeweils eine von den Zug- und Bremskräften unabhängige Winkeleinstellung der Radsätze je um die durch den Schnittpunkt der verlängert gedachten Längsachsen des Lenkerpaares bestimmte Hochachse erzielt. Aus der genannten Patentschrift ist auch eine Querkupplungseinrichtung mit einem zwischen den beiden Gehäusen angeordneten Querlenker bekannt, über den die Gehäuse je in entgegengesetztem Drehsinn um die betreffende Hochachse drehbar gekuppelt sind. Bei dieser bekannten Ausführung bilden die Lenkerpaare eine in Drehgestell-Längsrichtung im wesentlichen starre Verbindung zwischen jedem der Radsätze und dem Drehgestellrahmen, welcher somit ausser den vertikalen Stützkräften und den Querkräften auch die relativ grossen Zug- und Bremskräfte aufnehmen muss. Die bekannte Ausführung erfordert daher eine insbesondere in Längsrichtung relativ steife und entsprechend schwere Konstruktion des Drehgestellrahmens.In a rail vehicle of the type mentioned known from CH-PS 670 228, the guide parts are each formed by a housing of a drive device supported on the relevant wheel set. The housings are each held in the bogie frame by means of a suspension pendulum and two handlebars converging in the longitudinal direction of the bogie about the vertical axis. Through these handlebar pairs acting on the housings are the Axles of the wheel sets are each guided so as to be adjustable essentially radially with respect to the curve traveled. The axle bearings are guided by horizontally deflectable springs, which are not subjected to tensile and braking forces. The tensile and braking forces are transmitted via the housing and the handlebar pairs to the bogie frame and from there - via a pivot or a deep-drawing device - to the vehicle body. Accordingly, an angle setting of the wheel sets, which is independent of the tensile and braking forces, is achieved in each case about the vertical axis determined by the intersection of the elongated longitudinal axes of the handlebar pair. A cross-coupling device with a wishbone arranged between the two housings is also known from the cited patent specification, by means of which the housings are each rotatably coupled in the opposite direction of rotation about the vertical axis in question. In this known embodiment, the handlebar pairs form an essentially rigid connection in the longitudinal direction of the bogie between each of the wheel sets and the bogie frame, which thus must also absorb the relatively large tensile and braking forces in addition to the vertical support forces and the transverse forces. The known embodiment therefore requires a construction of the bogie frame that is relatively stiff and correspondingly heavy, particularly in the longitudinal direction.

Der Erfindung liegt die Aufgabe zugrunde, in Weiterentwicklung der eingangs genannten Ausführung, ein insbesondere in dieser Hinsicht verbessertes Schienenfahrzeug mit einer vereinfachten Führungsanordnung für die Radsätze und einem von den Zug- und Bremskräften im wesentlichen unbeanspruchten, in leichter Bauweise ausführbaren Drehgestellrahmen zu schaffen.The invention has for its object to provide in a further development of the above-mentioned embodiment, in particular in this regard improved rail vehicle with a simplified guide arrangement for the wheel sets and a bogie frame which is essentially unstressed by the tensile and braking forces and can be constructed in a lightweight design.

Diese Aufgabe wird erfindungsgemäss dadurch gelöst, dass die Verbindungsmittel pro Drehgestell je einen einzigen, am Fahrzeugkasten und an einem der Führungsteile raumbeweglich angelenkten Längslenker und zwei je mit einem der Führungsteile starr verbundene, einander entgegengerichtete deichselartige Anschlussteile enthalten, welche über eine gelenkartige Verbindung raumbeweglich schwenkbar miteinander kraftschlüssig gekoppelt sind und welche über einen zur Uebertragung von Stützkräften geeigneten Tragteil relativ zum Fahrzeugkasten in Querrichtung auslenkbar gehalten sind.This object is achieved according to the invention in that the connecting means per bogie each contain a single longitudinal link articulated on the vehicle body and on one of the guide parts and two drawbar-like connecting parts which are rigidly connected to one of the guide parts and which are pivotable with one another via an articulated connection are non-positively coupled and which are held in a transverse direction relative to the vehicle body by means of a support part suitable for the transmission of supporting forces.

Beim erfindungsgemäss ausgeführten Fahrzeug werden die Zug- und/oder Bremskräfte der Radsätze über die Anschlussteile und den Längslenker unmittelbar auf den Fahrzeugkasten übertragen, so dass der Drehgestellrahmen bei Geradeausfahrt des Fahrzeuges keine nennenswerte Beanspruchung durch Längskräfte erfährt, und bei Kurvenfahrt lediglich durch der jeweiligen Winkelstellung der Radsätze entsprechende, relativ geringe Rückstellkräfte der mit den Achslagern verbundenen Stützelemente beansprucht wird. Die erfindungsgemässe Konstruktion gestattet die Verwendung von in Drehgestell-Längsrichtung relativ weichen Stützelementen, welche im wesentlichen ungehinderte, von Zug- und Bremskräften unbeeinflusste Einstellbewegungen der Radsätze zulassen. Der Drehgestellrahmen ist somit hauptsächlich für die Aufnahme von vertikalen Stützkräften und von Querkräften auszulegen. Dies gestattet eine relativ leichte Ausführung des Drehgestellrahmens. Die miteinander gekoppelten Anschlussteile bilden eine einfache Führungseinrichtung mit wenigen beweglichen Teilen und entsprechend wenigen Anlenkstellen. Durch diese Anschlussteile wird bei einer Ausdrehung des bei Kurvenfahrt vorlaufenden Radsatzes in eine annähernd radiale Stellung eine gleich grosse Ausdrehung des nachfolgendes Radsatzes in die entgegengesetzte Drehrichtung erzwungen. Durch die erfindungsgemässe Konstruktion ist ferner eine dynamische Entkoppelung des Drehgestellrahmens vom Fahrzeugkasten erzielbar, so dass insbesondere unerwünschte Nickbewegungen des Drehgestellrahmens verhindert werden.In the vehicle designed according to the invention, the tensile and / or braking forces of the wheel sets are transmitted directly to the vehicle body via the connecting parts and the trailing arm, so that the bogie frame is not subjected to any significant stress by longitudinal forces when the vehicle is traveling straight ahead, and only when cornering through the respective angular position of the Corresponding, relatively low restoring forces of the supporting elements connected to the axle bearings are claimed. The construction according to the invention permits the use of support elements which are relatively soft in the longitudinal direction of the bogie and which allow substantially unimpeded adjustment movements of the wheel sets which are unaffected by tensile and braking forces. The bogie frame is therefore mainly designed for the absorption of vertical support forces and transverse forces. This allows the bogie frame to be made relatively light. The interconnected connecting parts form a simple guide device with few moving parts and correspondingly few articulation points. By means of these connecting parts, when the wheel set advancing when cornering is turned into an approximately radial position, the same amount of rotation of the subsequent wheel set forced in the opposite direction of rotation. A dynamic decoupling of the bogie frame from the vehicle body can also be achieved by the construction according to the invention, so that in particular undesired pitching movements of the bogie frame are prevented.

Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen angegeben.Embodiments of the invention are specified in the dependent claims.

Weitere Merkmale und Einzelheiten ergeben sich aus der folgenden Beschreibung von in der Zeichnung schematisch dargestellten Ausführungsbeispielen nach der Erfindung. Es zeigen:

Fig. 1
ein erfindungsgemäss ausgebildetes Schienenfahrzeug mit zweiachsigen Drehgestellen in einer Seitenansicht;
Fig. 2
ein Drehgestell des Schienenfahrzeuges nach Fig. 1 in einem Teillängsschnitt entsprechend der Linie II-II in Fig. 3 und in einer grösseren Darstellung;
Fig. 3
das Drehgestell nach Fig. 2 in einer Draufsicht mit Teilschnitt;
Fig. 4
eine Einzelheit des Drehgestells nach Fig. 3 in einem Schnitt entsprechend der Linie IV-IV in Fig. 3 in einer grösseren Darstellung;
Fig. 5 und 6
entsprechende Einzelheiten von Drehgestellen, je in einer anderen Ausführungsform und je in einer der Fig. 4 entsprechenden Darstellung;
Fig. 7
eine entsprechende Einzelheit eines Schienenfahrzeuges in einer abgewandelten Ausführungsform, in einer der Fig. 4 entsprechenden Darstellung;
Fig. 8
eine weitere Einzelheit eines Schienenfahrzeuges in einer abgewandelten Ausführungsform, in einer der Fig. 2 entsprechenden Darstellung;
Fig. 9
ein Drehgestell in einer weiteren abgewandelten Ausführungsform in einer Draufsicht mit Teilschnitt;
Fig. 10
eine Einzelheit des Drehgestells nach Fig. 9 in einen Schnitt entsprechend der Linie X-X in Fig. 9;
Fig. 11
ein Drehgestell in einer weiteren abgewandelten Ausführungsform in einer Draufsicht;
Fig. 12
eine Einzelheit des Drehgestells nach Fig. 11 in einem Schnitt entsprechend der Linie XII-XII in Fig. 11;
Fig. 13 und 14
weitere Drehgestelle je in einer abgewandelten Ausführungsform und je in einer Draufsicht.
Further features and details emerge from the following description of exemplary embodiments according to the invention shown schematically in the drawing. Show it:
Fig. 1
a rail vehicle designed according to the invention with two-axle bogies in a side view;
Fig. 2
a bogie of the rail vehicle of Figure 1 in a partial longitudinal section along the line II-II in Figure 3 and in a larger representation.
Fig. 3
the bogie of Figure 2 in a plan view with partial section.
Fig. 4
a detail of the bogie of Figure 3 in a section along the line IV-IV in Figure 3 in a larger view.
5 and 6
corresponding details of bogies, each in a different embodiment and each in a representation corresponding to FIG. 4;
Fig. 7
a corresponding detail of a rail vehicle in a modified embodiment, in a representation corresponding to Figure 4;
Fig. 8
a further detail of a rail vehicle in a modified embodiment, in a representation corresponding to Figure 2;
Fig. 9
a bogie in a further modified embodiment in a plan view with partial section;
Fig. 10
a detail of the bogie of Figure 9 in a section along the line XX in Fig. 9.
Fig. 11
a bogie in a further modified embodiment in a plan view;
Fig. 12
a detail of the bogie of Figure 11 in a section along the line XII-XII in Fig. 11.
13 and 14
further bogies each in a modified embodiment and each in a top view.

Das in Fig. 1 dargestellte Schienenfahrzeug weist einen Fahrzeugkasten 1 auf, der über seitliche Federn (Sekundärfedern) 2 auf zwei Drehgestellen 3 und 4 abgestützt ist. Die Drehgestelle 3 und 4 enthalten je zwei Radsätze 5 und 5a, mit in seitlichen Achslagern 7 gelagerten Achsen 6 bzw. 6a, und einen Drehgestellrahmen 8, der auf den Achslagern 7 über horizontal auslenkbare Stützelemente (Primärfedern) 10 abgestützt ist. Die Drehgestellrahmen 8 sind je durch zwei Längsträger 11 und einen diese verbindenden Querträger 12 gebildet (Fig. 3).The rail vehicle shown in FIG. 1 has a vehicle body 1 which is supported on two bogies 3 and 4 via lateral springs (secondary springs) 2 is. The bogies 3 and 4 each contain two wheel sets 5 and 5a, with axles 6 and 6a mounted in lateral axle bearings 7, and a bogie frame 8 which is supported on the axle bearings 7 via horizontally deflectable support elements (primary springs) 10. The bogie frames 8 are each formed by two longitudinal members 11 and a cross member 12 connecting them (FIG. 3).

Die Radsätze 5 und 5a sind je mit einen Motor 13 bzw. 13a versehen, der über ein Ritzel 14 und ein Zahnrad 15 mit der Achse 6 bzw. 6a gekoppelt ist. Die Motoren 13 und 13a sind je über einenFührungsteil 16 bzw. 16a auf der betreffenden Achse 6 bzw. 6a gelagert und über einen starren deichselartigen Anschlussteil 17 bzw. 17a am Querträger 12 abgestützt. Die Anschlussteile 17 und 17a sind über eine zur Uebertragung von Zug- und/oder Bremskräften geeignete gelenkige Verbindung 18 miteinander gekoppelt. Die Führungsteile 16 und 16a sowie die Anschlussteile 17 und 17a können je an einem Fortsatz des Motorgehäuses ausgebildet oder, wie dargestellt, am Motor 13 bzw. 13a lösbar befestigt sein. Die Verbindung 18 umfasst einen am einen Anschlussteil, gemäss Fig. 3 in einer gabelförmigen Endpartie des Anschlussteils 17a, querliegend angeordneten Lagerzapfen 20 und eine am anderen Anschlussteil 17 angeordnete, den Lagerzapfen 20 aufnehmende Lagerbüchse 21, welche kardanische Relativbewegungen des Lagerzapfens 20 zulässt.The wheel sets 5 and 5a are each provided with a motor 13 or 13a, which is coupled to the axle 6 or 6a via a pinion 14 and a gear wheel 15. The motors 13 and 13a are each mounted on the respective axis 6 or 6a via a guide part 16 or 16a and are supported on the cross member 12 via a rigid drawbar-like connecting part 17 or 17a. The connecting parts 17 and 17a are coupled to one another via an articulated connection 18 suitable for the transmission of tensile and / or braking forces. The guide parts 16 and 16a and the connecting parts 17 and 17a can each be formed on an extension of the motor housing or, as shown, be releasably attached to the motor 13 or 13a. The connection 18 comprises a bearing pin 20 arranged transversely on one connecting part, according to FIG. 3 in a fork-shaped end part of the connecting part 17a, and a bearing bush 21 arranged on the other connecting part 17 and receiving the bearing pin 20, which permits cardanic relative movements of the bearing pin 20.

Die Längsträger 11 und der Querträger 12 können je mit einem kastenförmigen Querschnitt ausgeführt sein, der beim Querträger 12 durch einen Obergurt 22, einen Untergurt 23 und seitliche Stege 24 bestimmt ist. Die Stege 24 sind im Bereich der Drehgestellmitte unterbrochen und mit Querrippen 25 verbunden, welche mit dem Obergurt 22 und dem Untergurt 23 eine Durchtrittsöffnung 26 zur Aufnahme der einander zugekehrten Enden der Anschlussteile 17 und 17a begrenzen. Die Durchtrittsöffnung 26 ist so bemessen, dass sie Auslenkungen der gekoppelten Anschlussteile 17 und 17a in Drehgestell-Querrichtung zulässt. Mindestens einer der Anschlussteile, darstellungsgemäss der Anschlussteil 17, ist über Gleitflächen 27 zwischen zwei übereinander angeordneten, am Obergurt 22 und am Untergurt 23 ausgebildeten Führungsflächen 28 horizontal verschiebbar geführt. Die Gleitflächen 27 können, wie dargestellt, an Gleitstücken 30 aus einem gummielastischen Material ausgebildet sein, welche jeweils eine von Einfederungen des Drehgestellrahmens 8 unabhängige, stossfreie elastische Abstützung des Anschlussteils 17 gewährleisten.The side members 11 and the cross member 12 can each be designed with a box-shaped cross section, which is determined in the cross member 12 by an upper flange 22, a lower flange 23 and lateral webs 24. The webs 24 are interrupted in the area of the center of the bogie and connected with transverse ribs 25 which, with the upper flange 22 and the lower flange 23, have a passage opening 26 for receiving them limit the mutually facing ends of the connecting parts 17 and 17a. The passage opening 26 is dimensioned such that it allows deflections of the coupled connecting parts 17 and 17a in the transverse direction of the bogie. At least one of the connection parts, as shown in the illustration of the connection part 17, is guided horizontally displaceably over sliding surfaces 27 between two guide surfaces 28 arranged one above the other and formed on the upper flange 22 and on the lower flange 23. The sliding surfaces 27 can, as shown, be formed on sliding pieces 30 from a rubber-elastic material, which in each case ensure a shock-free elastic support of the connecting part 17 that is independent of deflections of the bogie frame 8.

Entsprechend den Figuren 2 bis 4 können die Lagerzapfen 20 und die Lagerbüchse 21 mit sphärischen Lagerflächen 32 bzw. 33 ausgeführt sein, welche unterschiedliche Gierbewegungen der Anschlussteile 17 und 17a je um eine Längsmittelachse B bzw. B' und unterschiedliche Schwenkbewegungen um die Achse 34 des Lagerzapfens 20 sowie bei Kurvenfahrt auftretende seitliche Auslenkungen der gekoppelten Anschlussteile 17 und 17a zulassen.According to FIGS. 2 to 4, the bearing journal 20 and the bearing bush 21 can be designed with spherical bearing surfaces 32 and 33, which each have different yawing movements of the connecting parts 17 and 17a about a longitudinal central axis B or B 'and different pivoting movements about the axis 34 of the bearing journal 20 and lateral deflections of the coupled connecting parts 17 and 17a that occur when cornering.

Die einander zugekehrten, inneren Radsätze 5 der beiden Drehgestelle 3 und 4 sind je über einen einzigen, zur Ubertragung von Zug- und Bremskräften bestimmten Längslenker 37 mit dem Fahrzeugkasten 1 gekoppelt. Die Längslenker 37 sind je an einem am Führungsteil 16 angeordneten Zapfen 38 und einer am Fahrzeugkasten 1 angeordneten Konsole 40 raumbeweglich angelenkt. Bei der dargestellten Ausführung sind die Längslenker 37 je mit einer solchen Neigung gegen die Horizontale angeordnet, dass ihre verlängert gedachten Längsachsen die Quermittelebenen 41 der Drehgestelle 3 und 4 je auf der Höhe der Schienenoberkanten S schneiden. Darstellungsgemäss können der Zapfen 38 und eine ihn aufnehmende Lagerbüchse 39 mit sphärischen Lagerflächen ausgeführt sein, während das den Fahrzeugkasten 1 zugekehrte Ende des Längslenkers 37 mit der Konsole 40 über Zwischenstücke 42 aus einen gummielastischen Material allseitig schwenkbar verbunden ist.The mutually facing inner wheel sets 5 of the two bogies 3 and 4 are each coupled to the vehicle body 1 via a single longitudinal link 37 intended for the transmission of tensile and braking forces. The trailing arms 37 are each articulated on a pin 38 arranged on the guide part 16 and a bracket 40 arranged on the vehicle body 1. In the embodiment shown, the trailing arms 37 are each arranged with such an inclination towards the horizontal that their elongated longitudinal axes, the transverse center planes 41 of the bogies 3 and 4, are each at the height of the Cut the top edge of the rail S. According to the illustration, the pin 38 and a bearing bush 39 receiving it can be designed with spherical bearing surfaces, while the end of the trailing arm 37 facing the vehicle body 1 is pivotally connected to the console 40 via intermediate pieces 42 made of a rubber-elastic material.

Die Lagerbüchsen 21 und 39 können aus Metall bestehen oder, wie dargestellt, aus einem gummielastischen Material gefertigt und gegebenenfalls je mit dem Anschlussteil 17 und dem Lagerzapfen 20 bzw. mit dem Längslenker 37 und dem Zapfen 18 drehfest verbunden sein, so dass bei einer gegenseitigen Verschwenkung dieser Teile jeweils eine entsprechende Rückstellkraft der Lagerbüchse 21 bzw. 39 wirksam wird.The bearing bushes 21 and 39 can be made of metal or, as shown, made of a rubber-elastic material and, if necessary, each be connected in a rotationally fixed manner to the connecting part 17 and the bearing journal 20 or to the trailing arm 37 and the journal 18, so that when pivoted relative to one another each of these parts has a corresponding restoring force of the bearing bushing 21 or 39.

In der Fig. 3 sind die Radsätze 5 und 5a des Drehgestells 4 beim Durchfahren einer Kurve dargestellt. Durch die vorstehend beschriebene Anordnung wird der jeweils vorlaufende Radsatz, bei einer Fahrtrichtung gemäss Pfeil A z.B. der Radsatz 5a, beim Einfahren in die Kurve im Sinne einer zur Kurve annähernd radialen Einstellung der Achse 6a ausgedreht, wobei dem nachlaufenden Radsatz 5 über die gekoppelten Anschlussteile 17 und 17a eine gleich grosse Ausdrehung der Achse 6 im entgegengesetzten Drehsinn erteilt wird. Beim Durchfahren der Kurve hat der nachlaufende Radsatz 5 die Tendenz, sich stärker auszudrehen als der vorlaufende Radsatz 5a. Entsprechend wird den vorlaufenden Radsatz 5a über die Anschlussteile 17 und 17a eine entsprechend stärkere, gleich grosse Ausdrehung im entgegengesetzten Drehsinn erteilt. Ueber die Anschlussteile 17 und 17a und die Längslenker 37 werden die über die Motorgehäuse und die Führungsteile 16 und 16a eingeleiteten Zug- und Bremskräfte unmittelbar auf den Fahrzeugkasten 1 übertragen, so dass die Drehgestellrahmen 8, die Achslager 7 und die Stützelemente 10 durch in Drehgestell-Längsrichtung wirkende Komponenten der Zug- und Bremskräfte nicht beansprucht werden. Entsprechend wird eine von den Zug- und Bremskräften unabhängige Einstellung der Radsätze 5 und 5a erzielt.In Fig. 3 the wheel sets 5 and 5a of the bogie 4 are shown when driving through a curve. The arrangement described above rotates the leading wheel set, for example, wheel set 5a in the direction of travel according to arrow A, when entering the curve in the sense of an approximately radial adjustment of the axis 6a to the curve, the trailing wheel set 5 via the coupled connecting parts 17 and 17a an equal rotation of the axis 6 is given in the opposite direction. When traversing the curve, the trailing wheel set 5 has a tendency to turn out more than the leading wheel set 5a. Accordingly, the leading wheelset 5a is given a correspondingly stronger, equally large rotation in the opposite direction of rotation via the connecting parts 17 and 17a. Via the connecting parts 17 and 17a and the trailing arms 37, the tensile and braking forces introduced via the motor housing and the guide parts 16 and 16a are transmitted directly to the vehicle body 1, so that the bogie frame 8, the Axle bearing 7 and the support elements 10 are not claimed by components of the tensile and braking forces acting in the longitudinal direction of the bogie. Correspondingly, the wheel sets 5 and 5a are set independently of the tensile and braking forces.

Beim Durchfahren der Kurve werden die gegen die Fahrzeugmitte gerichteten Längslenker 37 je gegenüber der Längsmittelachse B um einen vom Kurvenradius abhängigen Winkel α ausgelenkt. Um insbesondere in engen Kurven die Einstellung der Radsätze 5 und 5a im Sinne einer stärkeren Ausdrehung der Achsen 6 und 6a zu verbessern, kann die Verbindung zwischen dem Längslenker 37 und dem Führungsteil 16 mit einer vorbestimmten Ausdrehsteifigkeit ausgeführt sein. Gemäss Fig. 3 können am Führungsteil 16 zwei beidseits des Längslenkers 37 angeordnete Anschläge 35 mit Pufferelementen 36 aus einem gummielastischen Material vorgesehen sein, welche mit dem Längslenker 37 zusammenwirken. In der Fig. 2 sind diese Teile zwecks besserer Uebersicht nicht dargestellt. Ueber die Anschläge 35 wird auf den Radsatz 5 jeweils ein dem Winkel α entsprechendes Ausdrehmoment um eine Hochachse ausgeübt, welches eine verstärkte Ausdrehung der Achse 6 gegen die Radialstellung und damit eine entsprechend verstärkte gegensinnige Ausdrehung der Achse 6a bewirkt. Eine entsprechende Ausdrehsteifigkeit der Anlenkverbindung zwischen dem Längslenker 37 und dem Führungsteil 16 kann auch auf beliebig andere Weise, z.B. durch die Verwendung von Federelementen, erzielt werden.When driving through the curve, the trailing arms 37 directed towards the center of the vehicle are each deflected relative to the longitudinal central axis B by an angle α which is dependent on the radius of the curve. In order to improve the setting of the wheel sets 5 and 5a in the sense of a greater turning of the axles 6 and 6a, particularly in tight curves, the connection between the trailing arm 37 and the guide part 16 can be made with a predetermined turning rigidity. 3, two stops 35, which are arranged on both sides of the trailing arm 37 and have buffer elements 36 made of a rubber-elastic material, which cooperate with the trailing arm 37, can be provided on the guide part 16. These parts are not shown in FIG. 2 for a better overview. Via the stops 35, a torque corresponding to the angle α about a vertical axis is exerted on the wheel set 5, which causes an increased rotation of the axis 6 against the radial position and thus a correspondingly increased rotation of the axis 6a in the opposite direction. A corresponding torsional rigidity of the articulation between the trailing arm 37 and the guide member 16 can also be in any other way, e.g. through the use of spring elements.

Die Achslager 7 können, wie z.B. aus der eingangs genannten CH-PS 670 228 bekannt, durch die Stützelemente 10 mit dem Drehgestellrahmen 8 in Drehgestell-Längs- und Querrichtung sowie in vertikaler Richtung beweglich verbunden sein. Durch die Stützelemente 10, die darstellungsgemäss aus Gummi oder einem entsprechenden gummielastischen Material bestehen können, wird bei zunehmender Ausdrehung der Radsätze 5 und 5a auf die Anschlussteile 17 und 17a jeweils eine entsprechend zunehmende, vorbestimmte Rückstellkraft ausgeübt, durch welche die Radsätze 5 und 5a beim Ausfahren aus der Kurve gegen die der Geradeausfahrt entsprechende Normalstellung zurückgeführt werden.The axle bearings 7 can, as is known for example from the above-mentioned CH-PS 670 228, be movably connected to the bogie frame 8 in the bogie longitudinal and transverse directions and in the vertical direction by the support elements 10. Through the support elements 10, as shown can consist of rubber or a corresponding rubber-elastic material, with increasing rotation of the wheel sets 5 and 5a on the connecting parts 17 and 17a, a correspondingly increasing, predetermined restoring force is exerted, by means of which the wheel sets 5 and 5a when exiting the curve against that of straight travel corresponding normal position are returned.

Bei der Ausführung nach Fig. 5 ist die Verbindung 18 zwischen den Anschlussteilen 17 und 17a durch einen Lagerzapfen 44 mit zylindrischer Lagerfläche und eine entsprechende Lagerbüchse 45 aus einem gummielastischen Material gebildet, welche kardanische Relativbewegungen des Lagerzapfens 44 zulässt und welche ebenfalls mit dem Lagerzapfen 44 und der Lagerbüchse 45 drehfest verbunden sein kann. Gemäss Fig. 5 können die Anschlussteile 17 und 17a mit dem Querträger 12 über seitlich auslenkbare Zwischenstücke 47 aus einem entsprechenden gummielastischen Material raumbeweglich verbunden sein. Die Zwischenstücke 47 können je einteilig oder, wie dargestellt, aus mehreren Schichten zusammengesetzt und mit dem Anschlussteil 17 und einem am Obergurt 22 bzw. am Untergurt befestigbaren Halteteil 48 fest verbunden sein. Die im Querträger 12 vorgesehene Durchtrittsöffnung 26 kann durch an den Bewegungsbereich der Anschlussteile 17 und 17a angepasste, z.B. kreisbogenartige Ausschnitte der Stege 24 gebildet und durch entsprechend gebogene Querrippen 25 begrenzt sein. In der Fig. 5 sind die Anschlussteile 17 und 17a in einer gegenüber der Drehgestellmitte M um ein Mass D seitlich ausgelenkten Stellung dargestellt. Durch die Zwischenstücke 47 werden auf die ausgelenkten Anschlussteile 17 und 17a jeweils entsprechende Rückstellkräfte ausgeübt, welche, zusammen mit den Rückstellkräften der mit den Achslagern 7 verbundenen Stützelemente 10 und mit aus der Verformung der Lagerbüchsen 45 resultierenden Rückstellmomenten, beim Ausfahren aus der Kurve jeweils die Rückstellung der Radsätze 5 und 5a in die der Geradeausfahrt entsprechende Normalstellung erleichtern und den stabilen Lauf bei der Geradeausfahrt begünstigen.5, the connection 18 between the connection parts 17 and 17a is formed by a bearing journal 44 with a cylindrical bearing surface and a corresponding bearing bush 45 made of a rubber-elastic material, which allows cardanic relative movements of the bearing journal 44 and which also with the bearing journal 44 and the bearing bush 45 can be connected in a rotationally fixed manner. 5, the connecting parts 17 and 17a can be connected to the cross member 12 via laterally deflectable intermediate pieces 47 made of a corresponding rubber-elastic material. The intermediate pieces 47 can each be in one piece or, as shown, composed of several layers and firmly connected to the connecting part 17 and a holding part 48 which can be fastened to the upper flange 22 or the lower flange. The passage opening 26 provided in the cross member 12 can be formed by, for example, arcuate cutouts of the webs 24 adapted to the range of movement of the connecting parts 17 and 17a and can be delimited by correspondingly curved transverse ribs 25. 5 shows the connecting parts 17 and 17a in a position which is laterally deflected by a dimension D relative to the center of the bogie M. Corresponding restoring forces are exerted on the deflected connecting parts 17 and 17a by the intermediate pieces 47, which, together with the restoring forces of the support elements 10 connected to the axle bearings 7 and resulting from the deformation of the bearing bushes 45 Restoring torques, when returning from the curve each facilitate the return of the wheel sets 5 and 5a to the normal position corresponding to straight-ahead driving and promote stable running when driving straight ahead.

Gemäss Fig. 6 können die miteinander gekoppelten Anschlussteile 17 und 17a am Untergurt 23 des bei dieser Ausführung oberhalb der Verbindung 18 verlaufenden, z.B. I-förmigen Querträgers 12 über Zwischenstücke 50 aus einem gummielastischen Material gehalten sein, welche je an der Oberseite bzw. an der Unterseite des Untergurtes 23 befestigt sind. Der Anschlussteil 17 ist mittels Schrauben 51 an einer auf dem oberen Zwischenstück 50 abgestützten Tragplatte 52 aufgehängt. Durch die Schrauben 51 wird der Anschlussteil 17 über das untere Zwischenstück 50 gegen den Untergurt 23 verspannbar gehalten. Der Untergurt 23 und die Zwischenstücke 50 sind je mit Durchgangsbohrungen 53 ausgeführt, welche die Schrauben 51 mit einem Spiel umgeben, das seitliche Bewegungen der mit dem Anschlussteil 17 und der Tragplatte 52 fest verbundenen Schrauben 51 relativ zum Untergurt 23 zulässt. Entsprechend können die gekoppelten Anschlussteile 17 und 17a bei Kurvenfahrt in beschriebener Weise jeweils gemäss Fig. 6 seitlich ausgelenkt und durch die entsprechend verformten Zwischenstücke 50 bei Geradeausfahrt wieder zurückgestellt werden.6, the mutually coupled connection parts 17 and 17a on the lower flange 23 of the in this embodiment above the connection 18, e.g. I-shaped cross member 12 can be held over intermediate pieces 50 made of a rubber-elastic material, which are each attached to the top and bottom of the lower flange 23. The connecting part 17 is suspended by means of screws 51 on a support plate 52 supported on the upper intermediate piece 50. By means of the screws 51, the connection part 17 is held clamped against the lower flange 23 via the lower intermediate piece 50. The lower flange 23 and the intermediate pieces 50 are each designed with through bores 53 which surround the screws 51 with play, which allows lateral movements of the screws 51 fixedly connected to the connecting part 17 and the support plate 52 relative to the lower flange 23. Correspondingly, the coupled connecting parts 17 and 17a can be laterally deflected as described in FIG. 6 when cornering and can be reset again when driving straight ahead by the correspondingly deformed intermediate pieces 50.

Die gekoppelten Anschlussteile 17 und 17a können an einem Träger des Drehgestellrahmens 8 oder, wie in Fig. 7 dargestellt, an einem am Fahrzeugkasten 1 ausgebildeten Tragteil 56 durch mindestens einen Pendelstab 55 gehalten sein, welcher am Anschlussteil 17 und am Tragteil 56 allseitig schwenkbar angelenkt ist und welcher somit die vorstehend beschriebenen Auslenkbewegungen der gekoppelten Anschlussteile 17 und 17a gegenüber den Fahrzeugkasten 1 zulässt.The coupled connection parts 17 and 17a can be held on a carrier of the bogie frame 8 or, as shown in FIG. 7, on a support part 56 formed on the vehicle body 1 by at least one pendulum rod 55 which is pivotably articulated on all sides on the connection part 17 and on the support part 56 and which thus permits the above-described deflection movements of the coupled connection parts 17 and 17a relative to the vehicle body 1.

Wie aus der Fig. 8 hervorgeht, können die bei dieser Ausführung unterhalb des Querträgers 12 miteinander gekoppelten Anschlussteile 17 und 17a, vom Fahrzeugkasten 1 und vom Querträger 12 unabhängig, durch eine Halteeinrichtung geführt sein, welche darstellungsgemäss zwei oberhalb des Querträgers 12 angeordnete, je an einem der Motoren 13 und 13a angebrachte, gegeneinander gerichtete starre Stützträger 59 und ein zwischen diesen angeordnetes nachgiebiges Stützelement 54 aus einem gummielastischen Material enthält. Ueber das Stützelement 54 sind die auf den Achsen 6 und 6a gelagerten Motoren 13 und 13a gegeneinander abgestützt, so dass die zur Uebertragung der Zug- und Bremskräfte vorgesehenen Anschlussteile 17 und 17a, von vertikalen Kräften in wesentlichen unbelastet, in Querrichtung frei auslenkbar gehalten sind. Diese Ausführung der Verbindung zwischen den Motoren 13 und 13a ist somit auch für Drehgestelle geeignet, welche einen Rahmen ohne mittleren Querträger aufweisen.As can be seen from FIG. 8, the connection parts 17 and 17a coupled below the cross member 12 in this embodiment can be guided independently of the vehicle body 1 and from the cross member 12 by a holding device, which according to the illustration shows two arranged above the cross member 12, depending on one of the motors 13 and 13a attached, directed against each other rigid support bracket 59 and a resilient support element 54 arranged between them contains a rubber-elastic material. The motors 13 and 13a mounted on the axles 6 and 6a are supported against one another via the support element 54, so that the connecting parts 17 and 17a provided for the transmission of the tensile and braking forces are kept freely deflectable in the transverse direction, essentially unloaded by vertical forces. This version of the connection between the motors 13 and 13a is therefore also suitable for bogies which have a frame without a central cross member.

Bei der Ausführung nach den Figuren 9 und 10 sind die Gehäuse der Motoren 13 mit Anschlussteilen 57 bzw. 57a versehen, welche mit in Drehgestell-Längsrichtung einander gegenüberstellbaren Stirnpartien 60 bzw. 60a ausgeführt und über eine gelenkartige Verbindung 58 miteinander koppelbar sind. Die Stirnpartie 60a ist bei dieser Ausführung an zwei in Querrichtung nebeneinander angeordneten Armen des Anschlussteils 57a ausgebildet. Die Stirnpartie 60 ist an einem klauenartigen Endstück 57′ des Anschlussteils 57 ausgebildet, welches an den gegenüberliegenden Armen des Anschlussteils 57a je zwischen zwei in Drehgestell-Längsrichtung hintereinander angeordneten, zur Uebertragung von Zug- und Bremskräften geeigneten Pufferelementen 61 und 62 aus Gummi oder einen entsprechenden elastischen Material eingespannt ist. Der Anschlussteil 57a ist am Querträger 12 zwischen den übereinander angeordneten elastischen Zwischenstücken 47 seitlich auslenkbar gehalten. Die Pufferelemente 62 sind je zwischen dem Endstück 57' und einem Halteteil 63 angeordnet, der mittels Schrauben 64 über das Pufferelement 62, das Endstück 57′ und das Pufferelement 61 gegen die entsprechende Stirnpartie 60a des Anschlussteils 57a verspannbar gehalten ist. Die Schrauben 64 sind durch in den Endstücken 57' vorgesehene Bohrungen 65 hindurchgeführt, welche die Schrauben 64 je mit einem allseitigen Spiel aufnehmen, das bei den seitlichen Auslenkungen der Anschlussteile 57 und 57a die entsprechenden seitlichen und vertikalen Relativbewegungen der Schrauben 64 und der Halteteile 63 zulässt.In the embodiment according to FIGS. 9 and 10, the housings of the motors 13 are provided with connecting parts 57 and 57a, which are designed with end parts 60 and 60a which can be positioned opposite one another in the longitudinal direction of the bogie and can be coupled to one another via an articulated connection 58. In this embodiment, the front part 60a is formed on two arms of the connecting part 57a which are arranged next to one another in the transverse direction. The front part 60 is formed on a claw-like end piece 57 'of the connecting part 57, which on the opposite arms of the connecting part 57a each between two bogies arranged one behind the other in the longitudinal direction of the bogie, suitable for the transmission of tensile and braking forces, made of rubber or a corresponding buffer elements 61 and 62 elastic material is clamped. The connecting part 57a is on the cross member 12 between the one above the other arranged elastic spacers 47 held laterally deflectable. The buffer elements 62 are each arranged between the end piece 57 'and a holding part 63 which is held clamped by means of screws 64 via the buffer element 62, the end piece 57' and the buffer element 61 against the corresponding end part 60a of the connecting part 57a. The screws 64 are passed through bores 65 provided in the end pieces 57 ', each of which receives the screws 64 with play on all sides, which permits the corresponding lateral and vertical relative movements of the screws 64 and the holding parts 63 in the event of the lateral deflections of the connecting parts 57 and 57a .

Entsprechend der Darstellung nach Fig. 9, welche die Radsätze 5 und 5a je in einer bezüglich einer zu befahrenden Kurve annähernd radialen Einstellung zeigt, sind die Anschlussteile 57 und 57a durch die entsprechend verformbaren Pufferelemente 61 und 62 in Drehgestell-Längs- und Querrichtung beweglich gekoppelt. Diese Ausführung ermöglicht, insbesondere bei Verwendung relativ weicher Pufferelemente 61 und 62, kurzseitig unterschiedliche Ausdrehungen der Radsätze 5 und 5a, so dass eine allfällig auftretende, etwa durch Gleisfehler verursachte zusätzliche Ausdrehung des einen Radsatzes die jeweils durch den allgemeinen Kurvenverlauf gegebene Einstellung des anderen Radsatzes nicht wesentlich beeinträchtigen kann. In gewissen Anwendungsfällen sind entsprechende unterschiedliche Ausdrehungen der Radsätze 5 und 5a zur Verbesserung des Kurvenlaufs sogar erwünscht. In Fig. 9 ist eine entsprechende zusätzliche Ausdrehung des Radsatzes 5 durch einen Abstand C zwischen den Schnittpunkten der Längsmittelachsen B und B' der Radsätze 5 und 5a mit der Quermittelebene 41 des Drehgestells 4 angedeutet. Bei Ausfahrt aus der Kurve werden durch die Pufferelemente 61 und 62 sowie durch die Zwischenstücke 47 entsprechende Rückstellkräfte auf die Anschlusssteile 57 und 57a ausgeübt.9, which shows the wheel sets 5 and 5a each in an approximately radial setting with respect to a curve to be traveled, the connecting parts 57 and 57a are movably coupled in the longitudinal and transverse direction of the bogie by the correspondingly deformable buffer elements 61 and 62 . This design enables, in particular when using relatively soft buffer elements 61 and 62, different turns of the wheel sets 5 and 5a on the short side, so that any additional turning of the one wheel set which may be caused by track errors, for example, does not affect the setting of the other wheel set given by the general course of the curve can significantly affect. In certain applications, corresponding different turns of the wheel sets 5 and 5a are even desirable to improve cornering. In Fig. 9, a corresponding additional rotation of the wheel set 5 is indicated by a distance C between the intersections of the longitudinal center axes B and B 'of the wheel sets 5 and 5a with the transverse center plane 41 of the bogie 4. When exiting the curve, the buffer elements 61 and 62 and through the intermediate pieces 47 corresponding restoring forces are exerted on the connecting parts 57 and 57a.

Bei der Ausführung nach den Figuren 11 und 12 sind die miteinander raumbeweglich gekoppelten Anschlussteile 17 und 17a über eine in der Drehgestellmitte M angeordnete, zusätzliche Gelenkverbindung 67 mit dem Querträger 12 gekoppelt. Die Gelenkverbindung 67 kann, wie in Fig. 12 dargestellt, zwei am Anschlussteil 17 vertikal angeordnete Zapfen 68 und zwei diese aufnehmende Lagerbüchsen 69 enthalten, welche je in einem am Obergurt 22 bzw. am Untergurt 23 angebrachten Lagerstück 70 aus einen gummielastischen Material gehalten sind. Durch die je in einer Halterung 71 gefassten Lagerstücke 70 sind die Anschlussteile 17 und 17a am Querträger 12 raumbeweglich schwenkbar angelenkt. Anstelle einer Gelenkanordnung können auch andere Mittel, z.B. seitliche Anschläge, vorgesehen sein, durch welche die Anschlussteile 17 und 17a mit den Querträger 12 insbesondere in Querrichtung koppelbar sind.In the embodiment according to FIGS. 11 and 12, the connecting parts 17 and 17a, which are coupled to one another in a spatially movable manner, are coupled to the cross member 12 via an additional joint connection 67 arranged in the center of the bogie M. The articulated connection 67 can, as shown in FIG. 12, contain two pins 68 arranged vertically on the connecting part 17 and two bearing bushes 69 receiving these, which are each held in a bearing piece 70 made of a rubber-elastic material and attached to the upper flange 22 and the lower flange 23. The connection pieces 17 and 17a are articulated on the crossmember 12 so that they can move in space, by means of the bearing pieces 70 each contained in a holder 71. Instead of a joint arrangement, other means, e.g. lateral stops can be provided, through which the connecting parts 17 and 17a can be coupled to the cross member 12, in particular in the transverse direction.

Wie insbesondere aus der Fig. 11 hervorgeht, werden die Radsätze 5 und 5a bei Kurvenfahrt über die Anschlussteile 17 und 17a jeweils um eine durch die Zapfen 68 verlaufende Hochachse H gegen die entsprechende radiale Stellung ausgedreht, wobei sich die Hochachse H und der mit den Zapfen 68 verbundene Drehgestellrahmen 8 gegenüber den Achslagern 7 nach der Kurvenaussenseite hin verlagern.As can be seen in particular from FIG. 11, the wheel sets 5 and 5a are turned when cornering via the connecting parts 17 and 17a in each case about a vertical axis H running through the pins 68 against the corresponding radial position, the vertical axis H and the one with the pins 68 connected bogie frame 8 to the axle bearings 7 towards the outside of the curve.

Im heutigen Fahrbetrieb werden Kurven üblicherweise mit einer so grossen Geschwindigkeit befahren, dass die auftretenden Fliehkräfte grösser sind als die infolge der Gleisüberhöhung auftretenden, gegen die Kurveninnenseite gerichteten Kräfte. Durch den daraus resultierenden "Fliekraftüberschuss" wird bei der Ausführung nach den Figuren 11 und 12, insbesondere beim Durchfahren enger Kurven, der Drehgestellrahmen 8, und damit die Hochachse H, aus der aus dem Kurvenverlauf sich ergebenden Stellung zusätzlich gegenüber den Achslagern 7 in Querrichtung nach der Kurvenaussenseite hin in die Stellung nach Fig. 10 verschoben. Entsprechend wird den Radsätzen 5 und 5a über die Anschlussteile 17 und 17a je eine zusätzliche Ausdrehbewegung im Sinne einer Radialstellung der Achsen 6 und 6a erteilt, so dass der erwähnte "Fliehkraftüberschuss" zur Verbesserung der Einstellung der Radsätze 5 und 5a herangezogen werden kann.In today's driving operation, curves are usually driven at such a high speed that the centrifugal forces that occur are greater than the forces that occur against the inside of the curve as a result of the track elevation. Due to the resulting "excess force", the execution according to Figures 11 and 12, in particular when driving through tight bends, the bogie frame 8, and thus the vertical axis H, from the position resulting from the curve in addition to the axle bearings 7 in the transverse direction towards the outside of the curve in the position shown in FIG. 10. Correspondingly, the wheel sets 5 and 5a are each given an additional turning movement in the sense of a radial position of the axles 6 and 6a via the connecting parts 17 and 17a, so that the "excess centrifugal force" mentioned can be used to improve the setting of the wheel sets 5 and 5a.

Bei den beschriebenen Querverschiebungen des Drehgestellrahmens 8 werden die mit diesen und den Achslagern 7 fest verbundenen Stützelemente 10 je in Drehgestell-Längs- und Querrichtung ausgelenkt. Beim Ausfahren aus der Kurve wird durch die entsprechenden Rückstellkräfte der Stützelemente 10 die Rückführung der Radsätze 5 und 5a in ihre der Geradeausfahrt entsprechenden Normalstellungen unterstützt. Um den erwähnten "Fliehkraftüberschuss" zu einer zusätzlichen Ausdrehung der Radsätze 5 und 5a gegen die radiale Stellung heranziehen zu können, sind die die Zapfen 68 umgebenden Lagerstücke 70 mit einer Quersteifigkeit in Drehgestell-Querrichtung ausgeführt, die grösser ist als die Summe der entsprechenden Quersteifigkeiten der Stützelemente 10. Dadurch kann jeweils zumindest ein durch die Differenz der Quersteifigkeiten vorbestimmter Anteil der durch Fliehkraft verursachten seitlichen Verschiebung des Drehgestellrahmens 8 für die zusätzliche Ausdrehung der Radsätze 5 und 5a genutzt werden.In the described transverse displacements of the bogie frame 8, the support elements 10 which are firmly connected to these and the axle bearings 7 are each deflected in the bogie longitudinal and transverse directions. When exiting the curve, the corresponding restoring forces of the support elements 10 support the return of the wheel sets 5 and 5a to their normal positions corresponding to straight-ahead driving. In order to be able to use the "excess centrifugal force" mentioned for an additional rotation of the wheel sets 5 and 5a against the radial position, the bearing pieces 70 surrounding the pins 68 are designed with a transverse stiffness in the transverse direction of the bogie which is greater than the sum of the corresponding transverse stiffnesses of the Supporting elements 10. In this way, at least a portion of the lateral displacement of the bogie frame 8 caused by centrifugal force which is predetermined by the difference in the transverse stiffnesses can be used for the additional turning of the wheel sets 5 and 5a.

In den Figuren 11 und 12 ist die Drehgestellmitte M infolge Fliehkraftüberschuss gegenüber der Hochachse H in Querrichtung um ein Mass E versetzt dargestellt. Bei einer in Querrichtung starren Verbindung zwischen dem Zapfen 68 und dem Querträger 12, etwa über ein metallisches Lagerstück 70, würde die Hochachse H durch die Drehgestellmitte M verlaufen; entsprechend wären die Anschlussteile 17 und 17a gegenüber der dargestellten Stellung um das Mass E stärker ausgedreht.In FIGS. 11 and 12, the center of the bogie M is shown offset by a dimension E in the transverse direction due to excess centrifugal force relative to the vertical axis H. At a transversely rigid connection between the pin 68 and the cross member 12, for example via a metallic bearing piece 70, the vertical axis H would run through the center of the bogie M; accordingly, the connecting parts 17 and 17a would be turned out more by the dimension E than the position shown.

Eine fliehkraftbedingte, zusätzliche Ausdrehung der Radsätze 5 und 5a kann auch bei einer gemäss Fig. 5 ausgebildeten Abstützung der Anschlussteile 17 und 17a erzielt werden, wenn die Zwischenstücke 47 mit einer Quersteifigkeit ausgeführt sind, die grösser ist als die Summe der Quersteifigkeiten der mit dem Drehgestellrahmen 8 und den Achslagern 7 verbundenen Stützelemente 10.A centrifugal force-related, additional turning of the wheel sets 5 and 5a can also be achieved with a support of the connecting parts 17 and 17a designed according to FIG. 5 if the intermediate pieces 47 are designed with a transverse stiffness that is greater than the sum of the transverse stiffnesses with the bogie frame 8 and the axle bearings 7 connected support elements 10.

Entsprechend der Darstellung nach Fig. 13 können auch die Radsätze 5 und 5a eines Laufdrehgestells über zwei in beschriebener Weise miteinander gekoppelte Anschlussteile 17 und 17a geführt sein, welche bei dieser Ausführung je mit einem auf der betreffenden Radsatzachse 6 bzw. 6a gelagerten Führungsteil 72 bzw. 72a einer Bremseinrichtung 73 bzw. 73a verbunden sind. Die Führungsteile 72 und 72a können auch je durch eine Partie des Anschlussteils 17 bzw. 17a gebildet sein. Die Bremseinrichtungen 73 und 73a enthalten je zwei auf der Achse 6 bzw. 6a angebrachte Bremsscheiben 74 und zwei mit diesen zusammenwirkende, auf dem betreffenden Führungsteil 72 bzw. 72a angeordnete Bremsbackenaggregate 75. Auch bei dieser Ausführung werden die Radsätze 5 und 5a über den am Führungsteil 72 und an Fahrzeugkasten 1 angelenkten Längslenker 37 und die Anschlussteile 17 und 17a bei Kurvenfahrt jeweils in beschriebener Weise im Sinne einer radialen Einstellung der Achse 6 bzw. 6a ausgedreht.13, the wheel sets 5 and 5a of a bogie can also be guided over two connecting parts 17 and 17a which are coupled to one another in the manner described, which in this embodiment each have a guide part 72 or, respectively, mounted on the relevant wheel set axle 6 or 6a. 72a of a braking device 73 or 73a are connected. The guide parts 72 and 72a can also each be formed by a part of the connecting part 17 or 17a. The braking devices 73 and 73a each contain two brake disks 74 mounted on the axles 6 and 6a and two brake shoe assemblies 75 which cooperate with them and are arranged on the guide part 72 and 72a in question. In this embodiment as well, the wheel sets 5 and 5a are arranged on the guide part 72 and to the vehicle body 1 articulated trailing arm 37 and the connecting parts 17 and 17a when cornering in each case in the manner described in the sense of a radial adjustment of the axis 6 and 6a.

Die Anschlussteile 17 und 17a können, wie in Fig. 13 angedeutet, mit dem Querträger 12 auch über eine Stelleinrichtung 76, darstellungsgemäss eine über Druckmittelleitungen 77 betätigbare Kolben/Zylinderanordnung, in Querrichtung einstellbar gehalten sein. Ueber die Stelleinrichtung 76 kann, vom Führerstand aus oder in Abhängigkeit von Signalen einer z.B. den Gleisverlauf erfassenden Steuereinrichtung, die jeweilige seitliche Auslenkung der Anschlussteile 17 und 17a kontrolliert verstärkt oder in einer vorbestimmten Stellung blockiert und damit die Winkelstellungen der Achsen 6 und 6a bezüglich der durchfahrenen Kurve beeinflusst werden.The connection parts 17 and 17a can, as indicated in FIG. 13, be held in an adjustable manner in the transverse direction with the crossmember 12 also via an actuating device 76, according to the illustration a piston / cylinder arrangement which can be actuated via pressure medium lines 77. Via the control device 76, from the driver's cab or depending on signals from e.g. the track detection control device, the respective lateral deflection of the connecting parts 17 and 17a controlled amplified or blocked in a predetermined position and thus the angular positions of the axes 6 and 6a are influenced with respect to the curve passed.

Anstelle der dargestellten, aktiv betätigbaren Stelleinrichtung 76 kann auch eine passiv wirkende Einrichtung, z.B. eine als Stossdämpfer wirkende Kolben/Zylinderanordnung, vorgesehen sein, durch welche die jeweiligen seitlichen Ausschläge der Anschlussteile 17 und 17a gedämpft und damit unerwünschte, abrupte Ausdrehungen sowie bei hoher Geschwindigkeit auftretende Schwingungen der Radsätze 5 und 5a um ihre Hochachsen verhindert werden. Zur Begrenzung der seitlichen Ausschläge der Anschlussteile 17 und 17a kann auch eine mechanische Blockiereinrichtung, z.B. in Form von nicht dargestellten seitlichen Anschlägen, vorgesehen sein.Instead of the active actuating device 76 shown, a passive device, e.g. a piston / cylinder arrangement acting as a shock absorber can be provided, by means of which the respective lateral deflections of the connecting parts 17 and 17a are damped and thus undesirable, abrupt unscrewing and vibrations of the wheel sets 5 and 5a occurring at high speed around their vertical axes are prevented. To limit the lateral deflections of the connecting parts 17 and 17a, a mechanical blocking device, e.g. in the form of side stops, not shown, may be provided.

Abweichend von der Ausführung nach Fig. 13 können die Achsen 6 und 6a der Radsätze 5 und 5a ohne Bremsscheiben 74 ausgeführt und in den entsprechend von Betätigungseinrichtungen freien, miteinander gekoppelten Führungsteilen 72 bzw. 72a je zumindest annähernd radial zur durchfahrenen Kurve einstellbar gelagert sein.Deviating from the embodiment according to FIG. 13, the axles 6 and 6a of the wheel sets 5 and 5a can be designed without brake disks 74 and can be at least approximately radially adjustable in the guide parts 72 and 72a, which are correspondingly free of actuating devices, and can be set to be adjustable.

Bei der Ausführung nach Fig. 14 sind die Achsen 6 und 6a der Radsätze 5 und 5a in den Führungsteilen 16 und 16a der Motoren 13 und 13a je in axialer Richtung beweglich gelagert, wobei die mit den Achsen 6 und 6a fest verbundenen Zahnräder 15, wie z.B. aus der CH-PS 609 290 bekannt, mit den Ritzeln 14 je in axialer Richtung verschiebbar zusammenwirken. Die über die Anschlussteile 17 und 17a gekoppelten Motoren 13 und 13a sind je durch einen Querlenker 80 bezüglich des Drehgestellrahmens 8 in Querrichtung feststehend gehalten. Die Querlenker 80 sind zweckmässigerweise je in einem relativ grossen Abstand von der Gelenkverbindung 18, darstellungsgemäss an einer am Führungsteil 16 bzw. 16a auf der dem Anschlussteil 17 bzw. 17a abgekehrten Seite angeordneten Konsole 81, sowie am benachbarten Längsträger 11 des Drehgestellrahmens 8 angelenkt. Bei dieser Ausführung sind die miteinander gekoppelten Radsätze 5 und 5a je um eine durch die Anlenkstelle des Querlenkers 80 an der Konsole 81 bestimmte Hochachse H' verschwenkbar geführt, wobei die in axialer Richtung bewegliche Lagerung der Radsätze 5 und 5a jeweils voneinander unabhängige axiale Verschiebebewegungen dieser Radsätze 5 und 5a zulässt. Bei einen in der Fig. 14 übertrieben dargestellten Gleisfehler kann z.B. der in Fahrtrichtung (Pfeil A) vorlaufende Radsatz 5a, dem vom normalen Kurvenverlauf K örtlich abweichenden Kurvenabschnitt K' folgend, gegen den in Fig. 14 unteren Längsträger 11 verschoben werden, ohne die durch den Kurvenverlauf K gegebene radiale Einstellung der Achse 6a und die Stellung des nachlaufenden Radsatzes 5 bezüglich des Drehgestellrahmens 8 zu beeinflussen. Die Querlenker 80 können auch je an einer anderen Stelle, z.B. am Motor 13 bzw. 13a, angelenkt sein, welche für die Bestimmung einer entsprechenden Hochachse H' geeignet ist.In the embodiment according to FIG. 14, the axles 6 and 6a of the wheel sets 5 and 5a are in the guide parts 16 and 16a the motors 13 and 13a are each movably mounted in the axial direction, the gearwheels 15, which are firmly connected to the axles 6 and 6a, as known, for example, from CH-PS 609 290, interact with the pinions 14 so as to be displaceable in the axial direction. The motors 13 and 13a coupled via the connecting parts 17 and 17a are each held stationary in the transverse direction with respect to the bogie frame 8 by a control arm 80. The wishbones 80 are expediently each articulated at a relatively large distance from the articulated connection 18, as shown on a bracket 81 arranged on the guide part 16 or 16a on the side facing away from the connecting part 17 or 17a, and on the adjacent side member 11 of the bogie frame 8. In this embodiment, the coupled wheel sets 5 and 5a are each pivotable about a vertical axis H 'determined by the articulation point of the wishbone 80 on the bracket 81, the axially movable mounting of the wheel sets 5 and 5a each having independent axial displacement movements of these wheel sets 5 and 5a. In the case of a track error shown exaggerated in FIG. 14, the wheel set 5a advancing in the direction of travel (arrow A), for example, following the curve section K ′ which deviates locally from the normal curve course K, can be displaced against the lower longitudinal member 11 in FIG. 14 without the through to influence the curve K given radial setting of the axis 6a and the position of the trailing wheel set 5 with respect to the bogie frame 8. The control arms 80 can also each be articulated at a different location, for example on the motor 13 or 13a, which is suitable for determining a corresponding vertical axis H '.

Es versteht sich, dass auch bei den Ausführungen nach den Fig. 9, 11, 13 und 14 die Anlenkverbindungen zwischen den Längslenkern 37 und den Führungsteilen 16 bzw. 72, etwa der Darstellung nach Fig. 3 entsprechend, je mit einer vorbestimmten Ausdrehsteifigkeit ausgeführt sein können.It goes without saying that also in the embodiments according to FIGS. 9, 11, 13 and 14, the articulated connections between the trailing arms 37 and the guide parts 16 and 72, for example 3, each can be designed with a predetermined torsional rigidity.

Claims (18)

  1. A rail vehicle having a vehicle body (1) and at least two bogies (3, 4) each having two wheel sets (5, 5a) whose axles (6, 6a) are mounted in side axleboxes (7), each bogie having a frame (8) borne by the axleboxes (7) by way of support elements (10̸) resilient at least lengthwise of the bogie, each axle (6, 6a) also being mounted in a respective axle-mounted guide member (16, 16a; 72, 72a), the two guide members (16, 16a; 72, 72a) being connected to the vehicle body (1) by way of connections adapted to transmit traction and/or braking forces and each enabling the respective axle (6, 6a) to take up an at least substantially radial position relatively to a curve to be negotiated independently of the traction and/or braking forces, characterised in that the connections comprise for each bogie (3, 4): a single longitudinal link rod (37) pivoted to the vehicle body (1) and to one of the guide members (16, 72) for universal movement; and two oppositely directed drawbar-like connectors (17, 17a; 57, 57a) each rigidly connected to one of the guide members (16, 16a; 72, 72a), the connectors being operatively connected to one another for universal pivoting by way of an articulated connection (18; 58), the connectors being so retained, by way of a support member (22, 23; 56; 59) adapted to transmit bearing forces, as to be deflectable transversely relatively to the vehicle body (1).
  2. A vehicle according to claim 1, characterised in that the link rods (37) are each connected at least to the guide member (16, 72) by way of at least one intermediate member (36, 39) having a predetermined torsional resistance opposing the deflection of the link rod (37) at least in the transverse direction.
  3. A vehicle according to claim 1 or 2, characterised in that the connection (18) between the connectors (17, 17a) comprises: a bearing pin (20̸; 44) disposed on one (17a) of the connectors; and a bearing liner (21; 45) disposed on the other connector (17) and adapted to receive the bearing pin (20̸; 44) and permitting universal relative movements thereof.
  4. A vehicle according to claim 3, characterised in that the bearing pin and the bearing liner 21) have spherical bearing surfaces.
  5. A vehicle according to claim 3 or 4, characterised in that the bearing liner (21; 45) is made of an elastomeric material.
  6. A vehicle according to claim 1 or 2, characterised in that the connectors (57, 57a) have end face parts (60̸, 60̸a) adapted to be adjusted to be opposite one another lengthwise of the bogie, at least one of the connectors (57) has a claw-like terminal part (57') comprising the end face part (60̸) and retained clampably for universal movement on the opposite connector (57a) between the end face part (60̸a) thereof and a retaining member (63) clampable on the end face part (60̸a), and the connection (58) between the connectors (57, 57a) comprises at least two resiliently deformable buffer elements (61, 62) which are adapted to transmit the traction and/or braking forces, one of the buffer elements being clamped between the facing end face parts (60̸, 60̸a) while the other is clamped between the terminal member (57') and the retaining member (63).
  7. A vehicle according to any of the previous claims, characterised in that the support member (22, 23) of the vehicle has two substantially horizontal guide surfaces (28) disposed one above another and at least one of the connectors (17) has matching slideways (27) engageable with the guide surfaces (28) for movement thereon.
  8. A vehicle according to any of the previous claims, characterised in that at least one of the connectors (17, 17a; 57a) is connected to the support member (22, 23; 59) by way of at least one elastomeric intermediate member (47; 50̸; 54; 70̸) which permits relative movements of the connector (17, 17a; 57a) at least transversely of the bogie.
  9. A vehicle according to any of claims 1 - 6, characterised in that at least one of the connectors (17) is pivotally connected to the support member (56) by way of at least one oscillating rod (55).
  10. A vehicle according to any of the previous claims, characterised in that the support member (22, 23) is devised on a cross-member (12) of the bogie frame (8).
  11. A vehicle according to any of claims 1 - 9, characterised in that the support member (56) is devised on the vehicle body (1).
  12. A vehicle according to any of claims 1 - 9, characterised in that the support member is embodied by at least one bearing bracket (59) connected to at least one of the connectors (17, 17a).
  13. A vehicle according to any of claims 1 - 6, 8 and 10̸ having support elements (10̸) which are associated with the axleboxes (7) and are resiliently deformable lengthwise and transversely of the bogie, characterised in that at least one (17) of the connectors is so pivoted to the bogie frame cross-member (12) as to be pivotable around a vertical axis (H).
  14. A vehicle according to claim 8 or 13, characterised in that the intermediate member (47; 50̸; 70̸) connecting the connector (17; 57a) to the cross-member (12) has acting transversely of the bogie a transverse resistance greater than the sum of the corresponding transverse resistances of the support elements (10̸) associated with the axleboxes (7).
  15. A vehicle according to any of the previous claims, characterised in that the axles (6, 6a) of the wheel sets (5, 5a respectively) are so mounted in the guide members (16, 16a respectively) as each to be movable transversely of the bogie and the guide members (16, 16a) are each so pivoted to a transverse link rod (80̸) pivoted to the bogie frame (8) as to be pivotable around a vertical axis (H').
  16. A vehicle according to any of the previous claims, characterised in that locking means are associated with at least one of the interconnected connectors (17, 17a) and enable the connector (17a) to be locked in a predetermined position transversely of the bogie relatively to the associated support member (22, 23).
  17. A vehicle according to any of the previous claims, characterised in that at least one (17a) of the connectors is connected to the associated support member (22, 23) with the interposition of damping.
  18. A vehicle according to any of the previous claims, characterised in that at least one (17a) of the connectors is so connected to the support member (22, 23) by way of an adjuster (76) as to be transversely adjustable.
EP90810702A 1989-09-29 1990-09-17 Rail vehicle Expired - Lifetime EP0420801B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90810702T ATE97072T1 (en) 1989-09-29 1990-09-17 RAIL VEHICLE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH354589 1989-09-29
CH3545/89 1989-09-29

Publications (2)

Publication Number Publication Date
EP0420801A1 EP0420801A1 (en) 1991-04-03
EP0420801B1 true EP0420801B1 (en) 1993-11-10

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EP90810702A Expired - Lifetime EP0420801B1 (en) 1989-09-29 1990-09-17 Rail vehicle

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EP (1) EP0420801B1 (en)
AT (1) ATE97072T1 (en)
DE (1) DE59003451D1 (en)
ES (1) ES2046764T3 (en)
ZA (1) ZA906623B (en)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
JP2011213244A (en) * 2010-03-31 2011-10-27 Mitsubishi Heavy Ind Ltd Truck for rolling stock
WO2021108874A1 (en) * 2019-12-04 2021-06-10 Rodrigues De Lima Neto Manoel Improvement to high-speed autonomous railway transportation system on tubular tracks
WO2021108873A1 (en) * 2019-12-04 2021-06-10 Rodrigues De Lima Neto Manoel Improvement made to high-speed autonomous railway transport system

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US5524550A (en) * 1991-02-27 1996-06-11 Man Ghh Schienenverkehrstechnik Gmbh Bogies for rail vehicles
DE4106070C3 (en) * 1991-02-27 1998-04-23 Abb Daimler Benz Transp Device for transmitting traction forces in bogies of rail vehicles
ES2141814T3 (en) * 1993-10-21 2000-04-01 Daimler Chrysler Ag RAILWAY VEHICLE AND TRANSFER DEVICE FOR A VEHICLE OF THIS CLASS.
DE102006044162A1 (en) * 2006-09-15 2008-03-27 Voith Turbo Lokomotivtechnik Gmbh & Co. Kg Attachment for a wheel set link of a rail vehicle
DE102006053642B4 (en) * 2006-11-14 2011-04-21 Siemens Ag Suspension for a rail vehicle
WO2008101287A1 (en) * 2007-02-22 2008-08-28 Central Queensland University Steering railway bogie
CN108909758B (en) * 2018-08-10 2024-03-08 北京维时正喜科技有限公司 Coupling bogie system for coupling double connecting rods of straddle type monorail train
AT523026B1 (en) * 2019-09-30 2022-09-15 Siemens Mobility Austria Gmbh Running gear for a rail vehicle
US20220355831A1 (en) * 2019-09-30 2022-11-10 Siemens Mobility Austria Gmbh Chassis for a Rail Vehicle
AT524028B1 (en) * 2020-09-29 2022-02-15 Siemens Mobility Austria Gmbh Running gear for a rail vehicle
WO2022077077A1 (en) * 2020-10-14 2022-04-21 Rodrigues De Lima Neto Manoel Passive radial railway bogie using mobile side frames, rollers and roller tracks, and wheelsets with freewheel
CN112549934B (en) * 2020-12-04 2022-04-15 中车南京浦镇车辆有限公司 Rubber wheel train

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CH638731A5 (en) * 1979-07-11 1983-10-14 Schweizerische Lokomotiv RAIL VEHICLE.
US4628824A (en) * 1985-02-25 1986-12-16 General Motors Corporation Self steering railway truck

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011213244A (en) * 2010-03-31 2011-10-27 Mitsubishi Heavy Ind Ltd Truck for rolling stock
WO2021108874A1 (en) * 2019-12-04 2021-06-10 Rodrigues De Lima Neto Manoel Improvement to high-speed autonomous railway transportation system on tubular tracks
WO2021108873A1 (en) * 2019-12-04 2021-06-10 Rodrigues De Lima Neto Manoel Improvement made to high-speed autonomous railway transport system

Also Published As

Publication number Publication date
EP0420801A1 (en) 1991-04-03
ZA906623B (en) 1991-11-27
DE59003451D1 (en) 1993-12-16
ATE97072T1 (en) 1993-11-15
ES2046764T3 (en) 1994-02-01

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