EP2386454B1 - Bâti tournant - Google Patents

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Publication number
EP2386454B1
EP2386454B1 EP20100162847 EP10162847A EP2386454B1 EP 2386454 B1 EP2386454 B1 EP 2386454B1 EP 20100162847 EP20100162847 EP 20100162847 EP 10162847 A EP10162847 A EP 10162847A EP 2386454 B1 EP2386454 B1 EP 2386454B1
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EP
European Patent Office
Prior art keywords
bogie
friction
longitudinal
lever arm
bogie according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20100162847
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German (de)
English (en)
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EP2386454A1 (fr
Inventor
Detlef Scholdan
Johannes Dr. Nicolin
Norbert Gabriel
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.)
Elh Eisenbahnlaufwerke Halle & Co KG GmbH
Original Assignee
Elh Eisenbahnlaufwerke Halle & Co KG GmbH
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Priority to EP20100162847 priority Critical patent/EP2386454B1/fr
Publication of EP2386454A1 publication Critical patent/EP2386454A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings
    • B61F5/12—Bolster supports or mountings incorporating dampers
    • B61F5/122—Bolster supports or mountings incorporating dampers with friction surfaces

Definitions

  • the invention relates to a bogie for rail vehicles and in particular for freight wagons and a secondary suspension therefor.
  • Such bogies comprise a cross member and two longitudinal members, wherein the cross member is connected in the region of its two longitudinal ends in each case via a secondary suspension with one of the two longitudinal members.
  • the secondary suspensions each comprise a plurality of spring elements and an associated damper element.
  • bogies comprising a frame with typically a cross member or a cradle and two side rails, wherein the side members are often configured as a frame connected together.
  • the longitudinal members are usually connected via a primary suspension with wheel bearings in which, for example, two sets of wheels per bogie are stored.
  • the side members are now also connected via secondary springs or cradle suspensions to the cross member.
  • the cross member is often supported in the region of its longitudinal ends via a respective secondary suspension, which has a plurality of springs, on the longitudinal members.
  • bogie for use in freight wagons is the Y25 bogie, which is based on a development of the French State railways standardized by the International Union of Railways (UIC) and has been used successfully for decades by numerous rail companies in Europe.
  • UICC International Union of Railways
  • damper angle is also from the US 3,717,106 A known.
  • the known embodiments of the secondary suspensions are structurally relatively complicated and also functionally disadvantageous.
  • strong moments act on the friction surfaces, which can cause unfavorable attacking of the frictional forces or even tilting of the friction surfaces.
  • the friction surfaces are subject to uneven wear.
  • the friction surfaces of the damper angle and also of the cross member are stressed in general, especially during operation with high loads, so that they can wear relatively quickly. This also contributes to the additionally necessary leadership of the friction in a bore of the long carrier disadvantageous.
  • the bogies known in the prior art prove to be particularly disadvantageous in that they have adverse spring and damping characteristics which are also subject to wear.
  • the stability and smoothness of the bogie and thus the rail vehicle is adversely affected, which in turn adversely affects the running behavior, especially smoothness, driving stability and track stress.
  • the known in the art bogies are complex and expensive to manufacture and assemble. The ongoing operating costs are disproportionately high.
  • the present invention is therefore based on the object to overcome the disadvantages of the prior art and to propose an improved bogie and in particular an improved secondary suspension.
  • the bogie according to the invention should in particular be designed structurally relatively simple and have advantageous running characteristics, especially with regard to smoothness, running stability and track stress.
  • the bogie has a cross member or a cradle and two side members.
  • the longitudinal members are preferably separate components of the bogie and not rigidly interconnected.
  • the cross member is connected in the region of its two longitudinal ends in each case via a secondary suspension or a suspension suspension with one of the two longitudinal members.
  • the secondary suspensions each have a plurality of spring elements and a damper angle.
  • the damper angles of the secondary suspensions each comprise a lever arm with a first leg and an angle to the first leg arranged second leg, wherein on a second leg facing away from the end portion of the first leg of the lever arm, a friction body with a substantially flat friction surface, preferably movable and preferably rotatable , Is arranged and wherein on the lever arm, a tilting axis is provided, which lies substantially in the extension of the friction surface of the friction body.
  • the term movable is here understood in relation to the arrangement of the friction body on the lever arm in particular that the friction body loosely on the lever arm, for example. In a recess provided in this recess and is not fixedly connected to it, so that it moves with respect to the lever arm can be.
  • the friction body is preferably rotatably connected to the lever arm, wherein the friction body can be preferably rotated about an axis which is substantially parallel to the tilting axis.
  • a preferred load-dependent friction damping of the cross member can be realized.
  • the lever arm and the friction body of the fulcrum or the axis of rotation of the damper angle in the plane of the friction surface so the friction contact of the damper angle with the cross member and a friction surface arranged thereon.
  • influencing the damping forces in particular out of the direction of movement can be minimized or avoided.
  • no moments, which may arise due to an offset between the tilting axis and the friction plane act on the friction surface.
  • the Frictional forces can thus be set advantageously and the wear and thus ultimately the damping behavior can be optimized.
  • the loose or movable and preferably rotatable mounting of the friction body on the lever arm especially in conjunction with the planar or planar configuration of the friction surface of the friction body, further allow a structurally relatively simple efficient transfer and interception of the forces or the moment from the damper angle, for example on the cross member.
  • the friction body can adjust its position with respect to the lever arm independently, so that the friction body is claimed relatively little or optimized and the damping can be done optimally.
  • the inventive design of the secondary suspension in particular allows a relatively simple designed, efficient, durable and targeted acting damping of the secondary suspension.
  • the damper angles of the secondary springs of the bogie are each configured such that the angle between the first leg of the lever arm and the second leg of the lever arm between about 120 ° and about 60 °, preferably between 100 ° and about 80 ° and in particular between about 95 ° and about 85 °.
  • Such a design of the lever arm allows a relatively efficient damping under stress of relatively little space.
  • the damper angles of the secondary suspensions of the bogie are each designed so that the friction body comprises a curvature facing away from the curvature, which is arranged in a corresponding to the buckle receiving the first leg of the lever arm.
  • the friction body and the lever arm of the friction body can be accurately positioned and aligned in a relatively simple manner with respect to the lever arm.
  • a friction body also allows efficient low-wear power transmission to or from the lever arm.
  • the damper angles of the secondary suspensions are preferably each designed so that the curvature of the friction body is configured substantially hemispherical.
  • the damper angle of the secondary suspension of the bogie are each designed so that the tilting axis of the lever arm is configured substantially semi-cylindrical.
  • Such a tilting axis allows a supported over the entire width of the damper angle exact tilting movement of the damper angle.
  • the damper angle of the secondary suspension of the bogie are each designed so that the second leg of the lever arm has a spring retainer.
  • a spring retainer With one (or more) of such spring receptacle, which may be configured, for example, cup or cup-shaped and in particular with a lateral edge, one or more spring elements can be relatively securely connected to the damper angle.
  • the plurality of spring elements of the secondary suspension of the bogie each comprise a first spring element and a second spring element, wherein the first spring element between the cross member and the longitudinal member and the second spring element are each arranged between the cross member and the second leg of the lever arm of the associated damper angle.
  • the secondary suspension thus comprises a damper angle against which a spring element acts, wherein the other spring element does not act against a damper angle.
  • a vertical movement of the longitudinal member thus acts on the spring elements, wherein the cross member experiences a force acting in the direction of movement force or friction force from a longitudinal side of the cross member, which is transmitted by the damper angle or the friction body on the cross member, which depends on the load is on the cross member.
  • the cross member can be relatively easily clamped load-dependent or friction damped.
  • a preferably semicylindrical axle receptacle is provided on the longitudinal members of the bogie, in which the tilting axis of the lever arm of the damper angle of the associated secondary suspension is arranged.
  • These axle receptacles can thus each represent a part of a joint which forms the tilting axis of the lever arm, wherein a second part of the articulation is formed on the lever arm.
  • the tilting axis is designed substantially semi-cylindrical, a preferred over the entire width of the Damper angle supported exact tilting movement of the damper angle can be made possible.
  • the cross member of the bogie at its ends or in the region of the secondary suspensions each have a preferably planar or planar friction surface against which abuts the friction surface of the friction body of the damper angle of the associated secondary suspension.
  • the friction surfaces of the cross member are preferably arranged on the same side surface of the cross member.
  • each of the first spring element and the second spring element of the plurality of spring elements of the secondary suspensions in a direction of travel of the bogie are offset or spaced from each other.
  • the term "direction of travel” is here understood in relation to the bogie a direction in which the bogie moves in operation as intended, this direction is often shown and described in technical and schematic representations of bogies as x-direction or as x-axis becomes.
  • the described offset arrangement of the first spring element and the second spring element of the plurality of spring elements of the secondary suspensions thus corresponds to an arrangement in succession or successively.
  • the cross member further advantageously simple and space-saving clamped load-dependent or be damped friction.
  • first leg of the lever arm of the damper angle of the secondary suspensions are arranged substantially in a plane perpendicular to a plane defined by the cross member and the second leg of the lever arm of the damper angle of the secondary suspension substantially in a plane parallel to the plane defined by the cross member.
  • the plane perpendicular to the plane defined by the cross member may in particular correspond to a plane parallel to a side surface of the side members.
  • the first leg may be substantially vertical and the second leg may be aligned substantially horizontally.
  • the second leg extends substantially in a travel or substantially along the x-axis of the bogie.
  • the multiple numbers of spring elements of the secondary suspension of the bogie each comprise a spiral spring with progressive characteristic.
  • all the spring elements of the secondary suspensions can each be designed as a single spiral spring with a progressive characteristic.
  • Such springs with progressive characteristics allow efficient load-dependent cushioning of the cross member. A use of different spring elements with different characteristics for different load cases is thus unnecessary.
  • the secondary suspensions may also each comprise four spring elements, wherein in each case two may be configured as first spring elements and two as second spring elements.
  • the lever arms of the damper angle of the secondary suspensions may each be configured to receive two second spring elements, so for example be provided with a spring receptacle for two second spring elements.
  • the secondary suspensions may each have two, preferably juxtaposed or parallel, damper angles, wherein in each case the lever arms of each of the two damper angles are configured to receive a second spring element.
  • a further friction body between a friction body of the damper angle of the secondary suspension facing away from the cross member and the associated side member is arranged.
  • the cross member may be configured on its side facing away from the friction body of the damper angle of the secondary suspension with a preferably flat friction surface.
  • the further friction body may be designed according to the above-described friction body of the damper angle and the associated side member may have a corresponding receptacle. Friction body and / or friction surface are preferably flat.
  • the damper angles are arranged with the Dämperwinkelreibenian on one side of the cross member while the friction members provided on the longitudinal members on the other side of the cross member, preferably in the direction of travel or x-direction of the damper angle friction bodies, are provided.
  • the tilt axes of the two or at least two Damper angle which are arranged on each side of the cross member, on a line or a common axis.
  • the bogie comprises one or at least one wheel with a wheel axle and two rotatably connected to the wheel axle wheels, wherein the wheel axle is rotatably mounted in the region of their longitudinal ends in each case in a wheel bearing.
  • the two wheel bearings are preferably, preferably stationary, connected to a drawbar.
  • the bogie has two sets of wheels as described above, wherein the two drawbars can then be connected to each other via a preferably preferably wear-free joint, preferably an elastomer joint.
  • the two wheel bearings of one or each wheelset of the bogie are each connected via a primary suspension with one of the two side members.
  • the primary suspensions preferably each have a first spring element, which is arranged at a first angle to a perpendicular to a direction of travel of the bogie between the associated wheel bearing and the associated side member. If the two wheel bearings are coupled to one another via a drawbar as described above, the drawbar can be held substantially by the primary suspensions, preferably horizontally.
  • Such primary suspensions can ensure a necessary longitudinal and transverse stiffness and the decoupling of Wheel set and bogie frame or wheelset and side members serve.
  • the first angle of the primary suspension of the bogie are each configured in a range of 90 ° to 135 ° to the perpendicular to the direction of travel of the bogie and are in particular about 115 ° to 125 ° and more preferably about 120 °.
  • a preferred spring effect of the first spring elements preferably in the longitudinal or x-direction and vertical or z-direction can be achieved.
  • the primary springs each have a second spring element which is arranged at a second angle to the vertical (z-axis) on the direction of travel of the bogie between the associated wheel bearing and the associated side member, wherein the second angle preferably approximately to the first angle reversed equivalent.
  • the spring elements of the primary springs are preferably designed as elastomeric springs.
  • an efficient simple suspension of the wheel axle can be realized, in particular in interaction with the above-described secondary suspension and / or the drawbar described a bogie with particularly preferred spring and driving characteristics and a simple, but durable and easy, design of the long beam enable
  • the bogie comprises at least one brake carrier, which is arranged between the two longitudinal members.
  • the brake carrier is preferably connected at its two longitudinal ends with one of the two longitudinal members such that one end of the brake carrier is substantially only about an axis in the driving or x-direction rotatably connected to the side member and the other, opposite end substantially only about an axis transverse to the direction of travel or in the y-direction rotatably connected to the other side member.
  • the brake carrier can thus be mounted on the longitudinal members in particular in a total of three points and thus advantageously does not substantially influence the torsional rigidity of the bogie frame, in particular for driving on track distortions.
  • the at least one brake carrier advantageously both brake carriers, possibly in the middle or in the center of gravity of the longitudinal members and also preferably in the immediate vicinity of the cross member connected thereto.
  • the brake carrier is provided with a disc, drum and / or pad brake.
  • the bogie comprises a further brake carrier, which is arranged between the two longitudinal members, wherein the further brake carrier is preferably as well as the above-described connected to the two side rails.
  • the bearings or attachments of the two brake carriers are arranged laterally reversed on the longitudinal members.
  • the longitudinal members and preferably also the cross member are formed in box construction.
  • box construction allows a relatively simple, lightweight and flexible construction of the bogie, which may also be designed in particular modular.
  • a damper angle for a secondary suspension of a bogie preferably a bogie according to the present invention, comprising a lever arm having a first leg and an angle to the first leg arranged second leg.
  • a friction body with a substantially flat friction surface is preferably arranged to be movable on a second leg facing away from the end portion of the first leg of the lever arm and the lever arm is a tilting axis provided substantially in the extension of the friction surface of the friction body or in a common plane with the Friction surface of the friction body is located.
  • the angle between the first leg of the lever arm and the second leg of the lever arm is between about 120 ° and about 60 °, preferably between 100 ° and about 80 ° and in particular between about 95 ° and about 85 °.
  • this aspect of the invention relates to a damper angle for secondary suspension of a bogie, preferably a bogie according to the present invention, as described herein in connection with the bogie of the invention.
  • Fig. 1 shows a three-dimensional view of a bogie 1 according to the invention from above.
  • Fig. 1 as well as the following ones FIGS. 2 to 8 , is provided with a three-axis coordinate system, which is referred to in the context of this application for the description of the bogie according to the invention as well as the orientation and orientation of individual elements thereof.
  • the x-direction is also referred to as the travel or longitudinal direction of the bogie.
  • the y-direction is also referred to as the transverse direction, wherein the plane spanned by the x and y directions is also referred to as the horizontal plane.
  • the z-direction is also referred to as vertical or perpendicular.
  • the design-related direction of travel of the bogie is in the x-direction, the gravity acts in the z-direction.
  • the bogie according to the invention has a three-part frame, preferably in welding execution on.
  • the three-part frame comprises a first longitudinal or long beam 3a, a second longitudinal beam 3b and a cross member 5. These components are designed according to a preferred embodiment as a box-shaped welded construction.
  • On the longitudinal members 3 (3a, 3b) are preferably functional elements, such as support elements 7a, 7b, 9a, 9b, preferably designed as receptacles for mounting the holder of the brake devices, and / or support members 11 a, 11 b, 13 a, 13 b for supporting or positioning or guiding the cross member 5 and / or elements of the secondary suspension, welded (sa Fig. 4 ).
  • Side members 3a, 3b and cross member 5 are preferably connected by a lift-up, advantageously designed as a rope fuses. This prevents separation of otherwise only loosely interconnected long and cross beams during operation.
  • the respective end stops have a wear plate on the one hand and a arranged on the opposite component Plastic disc on. This reduces in particular wear and noise reduction during operation.
  • the wheelset bearings are preferably provided with Radsatzlageradaptern 21, which are defined and preferably releasably connected to the wheel 15 and the respective wheelset bearing 19 at least partially surrounded.
  • the longitudinal members 3 are connected to the wheelsets 15 via such wheelset bearing adapter 21.
  • the components are preferably arranged with respect to one another or guided toward one another or against one another such that a transverse play of approximately +/- 20 mm, preferably approximately +/- 10 mm, is provided between cross member 5 and side member 3a or 3b.
  • the transverse play between wheelset 15a, 15b and longitudinal members 3a, 3b is preferably about +/- 20mm and preferably about +/- 10mm.
  • the longitudinal clearance between wheelset 15a, 15b and side members 3a, 3b is preferably +/- 12mm, more preferably about +/- 6mm.
  • the longitudinal clearance between the cross member 5 and the longitudinal members 3a, 3b is preferably less than about 4mm, preferably about 0mm.
  • a cradle suspension is arranged (see also FIG Fig. 2a . 2 B . 3 and 4 ).
  • This preferably comprises 2, more preferably 4 or more springs 20 (20 ', 20 ") per longitudinal carrier 3a, 3b.
  • the springs are preferably designed as helical springs with a progressive characteristic. which are rotatably or tiltably mounted on or connected to the respective longitudinal beam 3a, 3b.
  • the damper angles 22 are preferably designed as a lever arm with a first leg 26 (26a, 26b) and a second leg 24 (24a, 24b) , wherein the second leg 24 extends substantially in the x direction and the first leg 26 extends substantially in the z direction .
  • the two legs are arranged at an angle to one another.
  • a receptacle 28 (28a, 28b).
  • a friction body 30 (30a, 30b) .
  • the friction body 30 preferably has a connection geometry corresponding to the receptacle 28, which is preferably at least partially hemispherical, as a cylindrical longitudinal segment ment and / or is designed as a double cone segment.
  • the friction body 30 is preferably rotatably disposed in the receptacle 28.
  • the friction body further comprises a flat friction surface for contact with a corresponding, preferably also flat, friction surface 32 (32a, 32b), which is provided on the cross member 5.
  • Cross member friction surface 32 is preferably formed as a wear plate.
  • Friction body 30 is preferably made of a friction material, eg polyamide with Reibwertmodifikatoren.
  • the damper angle 22 preferably comprises a tilting axis which lies substantially in an extension of or in a plane 38 of the friction surface of the friction body 30.
  • the respective tilt axes of the damper angle 22a and the damper angle 22b, which are respectively arranged on a side member 3a, 3b, are preferably on a line or an axis.
  • the tilting axis of the lever arm is formed by a projection provided on the respective lever arm, preferably an approximately semicircular or approximately semi-cylindrical or cylindrical segment-like projection 34 (34a, 34b) which, in a corresponding exception 36 (36a, 36b) in FIG. is provided on the longitudinal beam 3a, 3b.
  • Projection 34 is preferably made of a friction material, e.g. Polyamide with Reibwertmodifikatoren, prepared and preferably firmly connected to the damper angle 22.
  • the axis of rotation of the friction body 30 is according to an advantageous embodiment substantially parallel to the tilting axis of the damper angle and the damper angle 22nd
  • the second springs 20 are based on the long beams 3 and act between the cross member 5 and the long beams. 3 ,
  • the friction bodies 30a, 30b provided on the damper angles 22a, 22b respectively press against a friction surface 32a, 32b which are both provided on one side of the cross member, preferably in the region of the ends of the cross member 5 or on the lateral cradle pans ,
  • a friction surface 40a, 40b On the other or longitudinally opposite side of the cross member 5 and the respective cradle spring cup, the cross member 5 is in turn supported by a friction surface 40a, 40b, preferably formed as a wear plate on second friction bodies 42a, 42b.
  • the second friction bodies 42a, 42b or also long carrier friction bodies 42a, 42b are not fastened to a damper angle but are replaced by the longitudinal carrier 3a, 3b or provided on the longitudinal beam 3a, 3b support means 13a, 13b held.
  • the holder is preferably rotatable and described in accordance with the preferred embodiments in connection with the mounting of the friction body 30 in the damper angle 22.
  • This embodiment allows in particular a load-dependent friction damping, which is effective in both directions of movement of the cross member.
  • a substantially clearance-free guidance (in the x-direction) between the longitudinal and transverse beams is effected.
  • the normal of the flat friction surfaces preferably extends substantially in the longitudinal or x-direction.
  • the friction surfaces of the Dämpferwinkelreibêt 30 and the Langméreib stresses 42 are preferably arranged parallel to each other and / or are preferably arranged in x-direction spaced sides of the cross member 5.
  • FIG. 3 shows a detail view of the detail A from FIG. 2a with a damper angle 22a, which is rotatably or tiltably connected via a lateral in the side view semicircular projection 34a, which is mounted in a correspondingly shaped receptacle 36b, which is mounted on the longitudinal beam 3a with the longitudinal beam 3a.
  • Spring element 20 ' is arranged on a first leg 24a of the damper element 22a and acts between the damper element 22a and the cross member 5. If the cross member 5 is loaded downward, ie in the opposite Z direction, a vertically downward force acts via the spring 20 on the first leg 24 a of the lever arm, which thus tends to pivot about its axis 34 and tilt.
  • the second leg 26a of the lever arm with the friction element 30a bears against the friction surface 32a, which is arranged on the side of the cross member 5.
  • the cross member 5 is preferably also subjected to a frictional force, preferably in accordance with the force formed by friction elements 30.
  • Longitudinal carrier friction bodies 42 preferably also support the cross member 5 in the longitudinal direction.
  • the longitudinal members 3 each have an end stop 44.
  • This is preferably arranged on the support element 11 and / or is arranged on the long carrier friction member 42 and the support member 13 opposite side of the cross member 5.
  • End stop 44 and long carrier friction body 44 limit the Movement of the cross member 5 in the longitudinal or x-direction.
  • the end stop 44 is designed as an end stop for the damper angle 22, in particular its first leg 26. End stop 44 thus limits the tiltability of the damper angle and thus in turn the movement of the cross member.
  • the secondary suspensions are also according to the illustration FIG. 4 it can be seen clearly that it is apparent that four spring element are used according to the illustrated preferred embodiment, wherein two first spring elements 20 'in a receptacle or in a spring cup 28a, 28b of the respective damper angle 22a, 22b are arranged, ie between damper angle and cross member 5 (in FIG. 4 not shown) act. Each two second spring elements 20 "act between the longitudinal beams 3a and 3b and cross member. 5
  • the bogie further comprises wheelsets, preferably at least two wheelsets 15 (15a, 15b) with wheels 17. Between the wheelsets 15 and the long beams 3, a primary suspension 40 is provided.
  • This is preferably realized by a special spring arrangement, as discussed in the introductory part of the description.
  • first spring elements 40 'and second spring elements 40 " preferably rubber or elastomeric spring elements are used, which are arranged at an angle to each other and to the vertical
  • the primary suspension is fastened to the longitudinal member by a projection which engages a corresponding recess provided on the longitudinal member Milled connections guided positively.
  • the damping is preferably carried out by the internal damping of the rubber spring (s) preferably used.
  • the bogie according to the invention preferably comprises two low-stress wheelsets 15. According to other, not shown embodiments, a plurality of wheelsets may be provided.
  • the connection between wheelset and bogie or wheelset and long beams is preferably via wheelset bearing adapter, which at least partially on the Wheelsets are slipped and which are preferably protected by a, for example, secured with two bolts, lift-off against lifting.
  • the wheelsets are preferably connected to each other via a Radsatzkopplung.
  • the wheel set coupling preferably engages the wheelset bearings or the wheelset bearing adapters of the wheelsets.
  • the Radsatzkopplung is designed as a drawbar coupling.
  • the drawbar coupling preferably has two drawbar arches 70a, 70b, which are in each case in communication with the wheelset bearings of a wheelset 15 and which are connected to one another via a hinge point 72.
  • the condyle or point 72 is preferably designed as a wear-free joint, preferably as an elastomer joint.
  • the connection preferably takes place approximately in the center of rotation or the pivot point 72 is preferably arranged approximately in the bogie center.
  • the drawbar coupling allows in particular the mutual control of the two sets of wheels of a bogie. This has a particularly advantageous effect on the smoothness and thus the vibration behavior of the bogie.
  • the drawbars are protected in the bogie frame by a safety rope or a lashing device against falling or sagging.
  • a safety rope or a lashing device against falling or sagging.
  • Such a cable safety device or strap safety device is preferably arranged on a, later discussed, brake carrier.
  • the drawbars are treated together with the Radsatzlageradaptern as insoluble components or are preferably insoluble, for example by welding, connected to these, the wheelsets can be removed and replaced, for example, by opening the Abhebesch the Radsatzlageradapter of Radsatzlageradaptern and the drawbars ,
  • This embodiment proves to be particularly advantageous because it allows a wait and the exchange of wheelsets without interference with the relevant for the accuracy of the wheelset and the running behavior and the overall vibration behavior of the bogie structure.
  • the rotary pan 80 of the bogie according to the invention is preferably formed by the prior art known solutions and constructions.
  • a lateral support of the car body on the bogie via two resilient sliders 82 see FIG. 2a and FIG. 5 .
  • the bogie according to the invention further comprises a suspension for a mechanical brake system.
  • a brake carrier 90 (90a, 90b) are provided, which are arranged between the two longitudinal beams 3a, 3b.
  • a brake carrier 90 in the long beam or in devices provided thereon 7a, 7b, 13a, 13b mounted.
  • a brake carrier is mounted in three points, wherein a Einticianlagerung is provided on one side of the brake carrier and a Einddlinglagerung on the other side of the brake carrier.
  • a brake carrier therefore preferably has no influence on the torsional behavior of the bogie or the longitudinal carriers 3a, 3b.
  • Such a three-point bearing is preferably carried out by the provision of a receptacle 7 (7a, 7b), which supports a bolt at two points, and a corresponding provided in the brake carrier receptacle for carrying the bolt on the one hand.
  • the brake carrier is mounted in two points.
  • the bolt preferably extends in the longitudinal direction (x-direction) of the bogie.
  • At the other end of the brake carrier 90 this is fastened by a pin directed transversely to the bolt (y-direction) in a corresponding receptacle 9 (9a, 9b) of the second longitudinal carrier 3. If two brake carriers 90a, 90b are provided, the different suspension principles are respectively provided at different ends of the brake carrier.
  • one longitudinal carrier 3a, 3b each has a suspension device with longitudinal bolts 7 and a suspension with transverse pin 9.
  • the brake carrier is designed accordingly.
  • the brake carriers are therefore identical.
  • the suspension on the longitudinal beam is different due to the different installation direction of the brake carrier on both sides of the cross member. This allows a particularly advantageous and balanced distribution of the forces introduced by the brake carrier into the bogie.
  • the bogie described especially for freight transport has a particularly advantageous damping and vibration behavior.
  • this shows bogie according to the invention a significantly reduced track stress and a significantly lower noise than conventional bogies.
  • a modular design in particular by the three independent frame elements (two longitudinal beams, a cross member), enables a simple design, manufacture and assembly as well as optimized adjustability and adjustability of the bogie.
  • the bogie allows a radial adjustment of the wheelsets in the track curve, so when cornering, in particular by the inventive use of Radsatzkopplung described. Even in the straight line a high stability is guaranteed even with unfavorable wheel-rail contact conditions.
  • the inventive design of the bogie is also very soft connection which here advantageous, in particular on the trafficability of track distortions in poor sections or connecting tracks, affects.
  • the improved running and noise characteristics of the bogie according to the invention also prove to be advantageous in that it results in less wear of both track bed and wheelsets.
  • the service life of the bogie is extended and consuming and costly maintenance work such as over-running of the treads are reduced.
  • the track bed is spared, which in the long run also leads to reduced influence of the track bed on the wear and thus the driving characteristics and noise of the bogie when crossing the track bed.
  • the improved suspension and connection properties of the chassis according to the invention also lead to a reduced noise level.
  • the use of optimized component geometry, the reduction of structure-borne sound bridges and of noise and vibration-intensive moving connections also contribute to the improvement of the bogie.
  • the invention also includes individual features in the figures, even though they are shown there in connection with other features and / or are not mentioned above or below. Also, the embodiments and individual features thereof described in the figures and the description may be excluded from the subject invention.

Claims (15)

  1. Bogie comportant une traverse (5) et deux longerons (3a, 3b), où la traverse est reliée par une suspension secondaire à un des deux longerons au niveau de chacune de ses deux extrémités longitudinales, où les suspensions secondaires comprennent chacune au moins deux éléments de ressort (20', 20") et une équerre d'amortisseur (22), caractérisé en ce que l'équerre d'amortisseur (22) de chaque suspension secondaire comprend un bras de levier avec une première branche (26) et une deuxième branche (24) coudée par rapport à la première branche, un corps de friction (30) avec une surface de friction (32) sensiblement plane étant disposé sur une partie d'extrémité de la première branche du bras de levier distante de la deuxième branche, et le bras de levier présentant un axe de pivotement sensiblement dans le prolongement de la surface de friction du corps de friction.
  2. Bogie selon la revendication 1, où l'équerre d'amortisseur de chaque suspension secondaire est configurée de telle manière que le corps de friction présente une convexité distante de la surface de friction, laquelle est disposée dans un logement de la première branche du bras de levier correspondant à ladite convexité.
  3. Bogie selon la revendication 2, où l'équerre d'amortisseur de chaque suspension secondaire est configurée de telle manière que la convexité du corps de friction est de forme sensiblement hémisphérique, arrondie, biconique, semi-cylindrique et/ou en secteur longitudinal de cylindre.
  4. Bogie selon l'une des revendications précédentes, où le corps de friction est raccordé au bras de levier de manière à être mobile, préférentiellement rotatif.
  5. Bogie selon la revendication 4, où les axes de rotation des corps de friction des équerres d'amortisseur coïncident avec un axe commun.
  6. Bogie selon l'une des revendications précédentes, où l'équerre d'amortisseur de chaque suspension secondaire est configurée de telle manière que l'axe de pivotement du bras de levier soit de forme sensiblement hémisphérique, arrondie, biconique, semi-cylindrique et/ou en secteur longitudinal de cylindre.
  7. Bogie selon l'une des revendications précédentes, où les au moins deux éléments de ressort des suspensions secondaires comprennent chacun un premier élément de ressort et un deuxième élément de ressort, le premier élément de ressort étant disposé entre la traverse et le longeron et le deuxième élément de ressort entre la traverse et la deuxième branche du bras de levier de l'équerre d'amortisseur correspondante.
  8. Bogie selon l'une des revendications précédentes, où un dispositif de réception d'axe préférentiellement semi-cylindrique ou en secteur longitudinal de cylindre est prévu sur chacun des longerons, où est disposé ou réalisé l'axe de pivotement du bras de levier de l'équerre d'amortisseur de la suspension secondaire correspondante.
  9. Bogie selon l'une des revendications précédentes, où la traverse présente au niveau de chaque suspension secondaire une surface de friction préférentiellement plane, contre laquelle est appliquée la surface de friction du corps de friction de l'équerre d'amortisseur de la suspension secondaire correspondante.
  10. Bogie selon l'une des revendications précédentes, où le premier élément de ressort et le deuxième élément de ressort des au moins deux éléments de ressort de chacune des suspensions secondaires sont décalés l'un par rapport à l'autre dans une direction de déplacement du bogie.
  11. Bogie selon l'une des revendications précédentes, où un autre corps de friction est disposé entre un côté de la traverse distant du corps de friction de l'équerre d'amortisseur de chaque suspension secondaire ou opposé à celui-ci, et le longeron correspondant.
  12. Bogie selon l'une des revendications précédentes, où la traverse présente au niveau de chaque suspension secondaire une deuxième surface de friction préférentiellement plane, contre laquelle est appliquée la surface de friction du corps de friction de la traverse de la suspension secondaire correspondante.
  13. Bogie selon l'une des revendications précédentes, comprenant au moins deux essieux montés ayant chacun un axe de roue et deux roues raccordées solidairement en rotation à l'axe de roue, où les axes de roue sont respectivement logés de manière rotative dans un palier d'essieu au niveau de leurs extrémités longitudinales, et où les deux paliers d'essieu, ou préférentiellement des adaptateurs de palier d'essieu entourant les paliers d'essieu, sont respectivement raccordés, préférentiellement fixement, à un timon, lequel présente préférentiellement un point d'articulation.
  14. Bogie selon la revendication 13, où les deux paliers d'essieu sont respectivement raccordés à un des deux longerons par une suspension primaire, chaque suspension primaire comportant au moins un premier et un deuxième élément de ressort disposés respectivement en formant un angle par rapport à une perpendiculaire à une direction de déplacement du bogie entre le palier de roue correspondant et le longeron correspondant.
  15. Bogie selon l'une des revendications précédentes, comprenant au moins un support de frein disposé, préférentiellement suspendu entre les deux longerons, le support de frein étant raccordé à l'une des ses deux extrémités longitudinales à un premier des deux longerons de manière à être rotatif autour d'un premier axe, et à l'autre de ses deux extrémités longitudinales axe au deuxième des deux longerons de manière à être rotatif autour d'un deuxième axe, préférentiellement sensiblement perpendiculaire au premier.
EP20100162847 2010-05-14 2010-05-14 Bâti tournant Active EP2386454B1 (fr)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3299247A1 (fr) * 2016-09-27 2018-03-28 VÚKV a.s. Bogie pour véhicule ferroviaire
KR101856592B1 (ko) * 2016-10-20 2018-05-14 한국철도기술연구원 산악철도차량용 대차 구조
DE202017100568U1 (de) * 2017-02-02 2017-02-20 Faiveley Transport Witten Gmbh Laufwerk für ein Schienenfahrzeug und Lagerelement für ein Laufwerk
CZ308190B6 (cs) 2018-06-19 2020-02-12 Vukv A.S. Podvozek kolejového vozidla, zejména nákladního vozu
DE102020133693B3 (de) 2020-12-16 2022-06-23 CG Rail - Chinesisch-Deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH Querträger für ein Drehgestell und Verfahren zu dessen Herstellung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2170862A (en) 1935-04-02 1939-08-29 Nat Malleable & Steel Castings Car truck
US2568201A (en) * 1945-05-25 1951-09-18 American Steel Foundries Spring bolster truck
FR1302598A (fr) * 1961-07-20 1962-08-31 Dietrich & Cie De Amortisseurs à friction progressifs et dégressifs pour matériel ferroviaire
FR2105745A6 (fr) 1970-09-15 1972-04-28 Henricot Usines Emile Sa Dispositif amortisseur et de controle d'une traverse de bogie
SE446708B (sv) 1984-11-22 1986-10-06 Asea Ab Dempningsanordning vid boggi for relsgaende fordon

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