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

Definitions

• the invention relates to a weighing bogie for a shift ⁇ nenGerman and a railway vehicle.
• Rolling bogies for rail vehicles commonly include pairs of loose wheels or sets of wheels with parallel axles in an axial plane.
• the wheels or wheelsets are connected via a senk ⁇ right to the axial plane elastic primary suspension with a Rah ⁇ men, which in turn is connected via a perpendicular to the axis ⁇ elastic secondary elastic suspension with a cradle.
• the cradle in turn can do so with a car body of
• the car body includes a joint bracket for articulated
• the weighing bogie is connected to the car body at a connection point such that the axis of rotation is perpendicular to a vehicle longitudinal axis.
• the vehicle longitudinal axis extends through a Ankoppel ⁇ point of the joint bracket and intersects the axis of rotation in an intersection.
• the connection point is arranged centrally with respect to the carriage ⁇ box along a vehicle transverse axis, which is perpendicular to the axis of rotation and vehicle longitudinal axis.
• Wheels these or the weighing bogie can be coupled mechanically with the ei ⁇ genes or an adjacent car body.
• DE 195 09 429 C1 describes a car body of a rail vehicle which is supported on secondary springs on a bogie frame, wherein on each longitudinal side a control lever is attached by means of a linkage so that it moves relative between car body and
• Bogie frame in the secondary suspension is not hindered, but in the region of its articulation with respect to the car body has no freedom of movement.
• the rigid mechanical coupling causes the wheels or wheelsets are hinged according to an ideal track layout and curves. In case of deviations of the course and / or arc of the track from the ideal shape for this to the fact that the loose wheels or wheelsets are not articulated parallel to the track, which is associated with higher wear.
• the object is to provide a generic Weighing Ge ⁇ stell, which is associated with less wear.
• the weighing bogie comprises a cradle which can be coupled about a rotation axis to a first wagon body and a frame connected to the cradle via a self-centering elastic element.
• the weighing bogie is characterized in that the cradle comprises at least one coupling element for further coupling a mechanical coupling to the first or a second car body.
• the elastic element is elastically plus rotation and / or tilting of the frame relative to the cradle.
• the special elasticity of the elastic member which acts as a secondary spring, has the advantage that lateral Irregular ⁇ speeds in a curve and / or in an arc of a track with respect to the mechanical coupling in the form of
• the rail vehicle comprises a first and a second car body, which is pivotally connected to the first car body at a coupling point, and an inventive We ⁇ genpitgestell which is rotatably connected to the first car body about the axis of rotation, that the axis of rotation perpendicular to a car body longitudinal axis first car body, which passes through the coupling point and intersects the axis of rotation in ei ⁇ nem intersection.
• the rail drive comprises a ⁇ generating a first end to the coupling element and a second end to the second superstructure coupled articulation.
• the weighing bogie further comprises two pairs of wheels, wherein the wheels of each pair have a same wheel axis and the wheel axles of the two pairs are arranged parallel to each other in a plane perpendicular to the axis of rotation ⁇ right axial plane.
• the wheels may be loose wheels or each pair may form a wheelset.
• a wheelset consists of a shaft for transmitting torque rigidly connected wheels.
• the coupling element can be arranged at a distance from the bogie of a plane in which the Wheelach ⁇ se is located and which is perpendicular to the wheel axles.
• the weighing bogie may further comprise axle bearings, in which the wheel axles are mounted, wherein the axle bearings may be connected to the frame via further, acting as a primary suspension elastic elements.
• the elastic element may comprise one or more spring elements, each of the spring elements each having a
• Elastomer spring, a coil spring and / or a suspended hydraulic spring may comprise a provision achieved via a pendulum action.
• the elastic member may cause two or disposed at outer ends of the cradle spring members umfas ⁇ sen supporting the self-centering.
• the second end may be coupled to the second body at a distance from the docking point.
• the second end of the coupling point in a direction spaced to be coupled to the second car body, which is perpendicular to the vehicle longitudinal axis and senk ⁇ right to the axis of rotation.
• the distance may be proportional to a first further distance between the coupling element and the point of intersection, a second further distance of the coupling point from the axis of rotation and a third further distance of the coupling point from a second axis of rotation of a rotatable connected to the second car body about the second axis of rotation be the second weighing bogie.
• a length of the articulation device can be adjustable. This allows a positive free installation with exactly rich ⁇ tetem rail vehicle.
• FIG. 1 shows a first embodiment of the invention shown SEN weighing bogie
• FIG. 3 shows the first exemplary embodiment in an arc
• Figure 5 shows the second embodiment in an arc.
• the weighing bogie 100 includes a cradle 10, an elastic member 20 (seconding ⁇ därfederung) and a frame 30.
• the cradle 10 is rotatable about an axis of rotation D connected to a non-existent in Figure 1 vehicle body or vehicle body part of a railway vehicle.
• the cradle 10 comprises a coupling element 40 for coupling a mechanical coupling to the car body or to the car body part or a car body of a preceding or hinterherfahrenden part of the rail vehicle or arranged between the car body and the leading or trailing car body car body without connection to a bogie.
• FIG. 1 shows a vertical section through the axial plane A.
• the wheel axles are received by axle bearings 60.
• the axle bearings 60 are connected to the frame via further elastic elements 70 (primary suspension).
• the further elastic elements 70 are elastic in the direction of the axis of rotation D. They compensate for bumps in the track.
• an axis of symmetry of the elastic element 20 coincides with the axis of rotation.
• the elastic member 20 unloaded, the Drehach ⁇ se D is perpendicular but to an axial plane A.
• the elastic member 20 elastically with respect Dre ⁇ hung and / or tilting of the frame 30 10, relative to the cradle That is, the elastic member 20 allows a tilting of the rotational ⁇ D from the normal axis of the axis A and / or rotation of the frame 30 relative to the cradle 10th
• the weighing bogie can therefore avoid irregularities in a course and / or in a real arc of a track compared to an ideal arc predetermined by rigid mechanical linkage. This leads to less wear on wheels and rail.
• Figure 2 shows a first embodiment of a rail vehicle OF INVENTION ⁇ to the invention 200 in undeflected to stand ⁇ .
• FIG. 3 shows the first exemplary embodiment of the rail vehicle 200 in the deflected state.
• the rail vehicle 200 comprises an exemplary embodiment of the weighing bogie 100 according to the invention, a first carriage boxes 110, a linkage 140 and a coupling point 151 for articulated coupling to another, second car body.
• the coupling point is provided on a joint bracket 150.
• a further joint bracket 160 of the second car body of the rail vehicle or between the rail vehicle and the second car body of the rail vehicle ⁇ arranged vehicle part can be coupled without its own bogie. This is shown schematically in FIGS. 2 and 3.
• the weighing bogie 100 is connected to the first body 110, for example, at a connection point V.
• the axis of rotation D extends through the connection point V and a point of intersection is not shown in Figure 2 with a vehicle longitudinal axis L.
• the vehicle longitudinal axis L is perpendicular to the axis of rotation D by the coupling point 151.
• the connection ⁇ point V is along a vehicle ⁇ transverse axis in the exemplary embodiment Q is centered with respect to the car body 110, but the invention is not limited thereto.
• the vehicle transverse axis Q is perpendicular to the vehicle longitudinal axis L and perpendicular to the rotational axis D.
• the coupling element 40 of the cradle of the weighing bogie 100 is arranged at a distance from the axis of rotation D.
• FIGS. 1-10 In the illustrated exemplary embodiments of FIGS.
• One end of the articulation device 140 is connected to the coupling element 40 of the cradle of the weighing bogie 100.
• the opposite end of the coupling device 140 is verbun ⁇ ⁇ with the other joint bracket 160 at a pivot point 162 which has a distance B0 to the coupling point 151.
• Figure 2 is an end face of the other hinge bracket 160 on which the pivot point 161 and the coupling point 151 are arranged at ⁇ , parallel to the vehicle transverse axis Q.
• Linkage 140 transmits this position to the cradle, which in turn transmits the situation on the wheel axles. In the ideal Track are then the axles also parallel to Fahr ⁇ zeugquerachse Q.
• the articulation device 140 is formed, that then the articulation point 161 is spaced in a direction perpendicular to the vehicle longitudinal axis L and perpendicular to the rotation axis D by the distance B0 of the coupling point 151.
• the further joint bracket 160 is not parallel to the vehicle transverse axis Q.
• the coupling device 140 transmits this position to the cradle, which in turn transmits the situation on the wheel ⁇ axes. In the ideal track then the wheel axles are also not parallel to the vehicle transverse axis Q.
• the conicity of the wheels in principle causes the self-centering ⁇ turing in the track.
• the elasticity of the elastic element allows the wheels or wheelsets to compensate for deviations from the ideal track. Therefore, the deviations can not interfere with self-centering.
• the wheels or wheelsets run so wear in the real track despite articulation according to an idealized track layout and / or -bogen.
• in the field of sheet inlet and outlet sol ⁇ che deviations are always given and can be compensated according to the invention.
• the articulation device 140 is integrally coupled to a ⁇ coupling element 40 and serves for connection to the further articulation of the console 160 hingedly coupled to the first body second wagon body of the rail vehicle.
• the linkage is two-sided.
• the articulation device 140 is another
• Coupling device 141 is coupled to a further coupling element 41 and serves for further connection with the wide ⁇ ren joint bracket 160.
• a distance Bl of the further Ankoppel- element 41 of the rotation axis D equal to the distance of the Ankop ⁇ pelelements 40 of the rotation axis D.
• the further coupling element 41 with respect to the rotation ⁇ axis D opposite to the coupling element 40 is arranged.
• the opposite arrangement is optional.
• an arrangement is possible, which is symmetrical with respect to a longitudinal axis of the bogie, which is perpendicular to the axis of rotation and the wheel axles.
• the invention is suitable for example for Niederflurstra ⁇ Hzbahnen with a cradle in the middle part of the vehicle to the car body tailed Losradwindgestell.
• a WälzSystemfitlager or pivot in combination with bearing sliding plates continue to be used for the connection of the cradle to the car body.
• the relation of the steering angle ß ⁇ Ge (R) to a radius R of the curved track by ei ⁇ NEN designer of the rail vehicle is substantially free dial ⁇ bar.
• the secondary spring of the embodiments is a single elastomeric spring. Depending on the width and height of the installation space and an elastomer spring pair can be used. Alternatively or additionally, helical spring (s) and / or suspended hydraulic spring (s) can be used with a return achieved via a pendulum action.
• the cradle can be cranked.
• a pivot bearing can provide a connection of the cradle to the car body.
• lateral support can take place via sliding plates.
• An embodiment of the invention comprises the use of egg ⁇ ner weighing positioning in response to a car body in the sheet position to obtain a center-idealized llage and flexible adjustment of the wheel pairs to the tatsumbleli ⁇ chen conditions in the track. Restoring forces of the elastic element cause a centering, which always returns the frame to a position parallel to the track axis and thus enables the pairs of wheels fault-free rail contact.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Springs (AREA)
• Platform Screen Doors And Railroad Systems (AREA)
• Vibration Prevention Devices (AREA)

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Citations (6)

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• 2015
  • 2015-03-26 DE DE102015205531.0A patent/DE102015205531B3/de not_active Expired - Fee Related
• 2016
  • 2016-03-17 ES ES16711232T patent/ES2911928T3/es active Active
  • 2016-03-17 EP EP16711232.5A patent/EP3247608B1/de active Active
  • 2016-03-17 WO PCT/EP2016/055884 patent/WO2016150829A1/de active Application Filing
  • 2016-03-17 CN CN201690000621.2U patent/CN209290402U/zh not_active Expired - Fee Related
  • 2016-03-17 RS RS20220299A patent/RS63091B1/sr unknown
  • 2016-03-17 DK DK16711232.5T patent/DK3247608T3/da active

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