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
  • B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61C—LOCOMOTIVES; MOTOR RAILCARS
  • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
  • B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
  • B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
• • 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

Definitions

• the at least one cross member is connected to in each case at least one tension member connected to an upper side and an underside of the at least one cross member.
• the pulling / pushing elements each have a first end.
• a bearing block is arranged at the top and on the underside of the cross member.
• the first ends of the pull / push elements form a joint with the bearing block.
• the bracket may for example be welded, riveted or screwed to the cross member. It can also be an integral part of the crossbeam itself.
• the joints are arranged in a cross-sectional plane through the center of the chassis.
• it is perpendicular to the rail plane, ie orthogonal to a plane passing through the axes of rotation of the axles, if the wheels of the chassis have the same wheel diameter
• the traction motor sits, as it were, on the wheelset or on the wheelset shaft. Between the wheelset shaft and the Tatzlagerrohr Tatzlager are arranged, which allow to some extent, an axial relative movement of Tatzlagerrohr to Radsatzwelle.
• “Axial” refers to directions parallel to the axis of rotation of the wheelset shaft and the gearbox has intermeshing gears.
• the transmission has a large gear and a small wheel, which is driven by the traction motor. The large wheel is rotatably connected to the wheelset.
• the traction arm By means of the traction arm a more direct initiation of the tensile and braking forces on the Tatzlagerantrieb in the cross member is possible.
• the traction arms on a longitudinal axis, which each extend in a longitudinal sectional plane through the center of the chassis.
• two drives may be achsreitende drives, each with a traction motor and a transmission. It can be in
• the toothed coupling allows both axial and radial relative movements of the motor shaft to a transmission input shaft of the small wheel.
• radial are directions towards the axis of rotation of the motor shaft and away from her designated by the gear coupling is a decoupling of the sprung mass of the drive motor of the unsprung mass of the axis-going transmission.
• one transmission has an even gear stage number and the other transmission has an odd gear stage number with a same gear ratio.
• the first transmission is a single-stage transmission and the second transmission is a two-stage transmission.
• the first transmission in two stages and the second transmission can be carried out in three stages.
• the tension / compression elements and / or the traction arms are rigid pull / push rods. You can have at the respective end of a hinge or ball joint. You can also have eyelets, which correspond with each corresponding bearing pin.
• FIG. 4 shows by way of example a longitudinal section through a chassis with two shuttle bearing drives connected in a swinging manner to a crossbeam in a schematic illustration according to the prior art
• FIG. 5 shows an example of a longitudinal section through an inventive chassis with a centrally arranged in the chassis frame and connected via two Anlagen- / Druckele- elements with a locomotive or car body
• FIG. 8 is a sectional view through the cross member along the registered in Figure 6 section line VIII- VIII in an enlarged view and
• the chassis 1 shown comprises a chassis frame 2, consisting of two longitudinal members 3 and an associated cross member 4.
• the chassis 1 two wheelsets 7, each with a wheelset 8 and two wheels 5 on.
• the wheelsets 7 are mounted in wheelset bearings 6, which are connected in the example of FIG 2 with the cross member 4.
• two non-coaxial drives 9 are added.
• the axis of rotation of the traction motor 10 is outside the axis of rotation of the wheelset shaft 8.
• Coaxial drives 9 are e.g. Direct drives.
• the two wheelsets 7 each have a brake device 12.
• primary springs are designated. They are arranged between the chassis frame 2 and the wheelset bearings 6 for damping.
• the longitudinal members 3 may be hinged to the cross member 4.
• the chassis 1 can be connected by means of large, designed as air springs secondary springs 14 to a bottom plate of the overlying and not shown rail vehicle. 2 shows by way of example a wheel set 7 with a pawl bearing drive 9 in a plan view according to the prior art.
• the drive motor 10 is fastened via traction motor suspensions 29 to a cross member 4 (not illustrated).
• the traction motor 10 drives via a motor shaft 25 and via a subsequent toothed coupling 26 connected to the small gear 23 transmission input shaft 27 at.
• the small wheel 23 drives a fixedly connected to the wheelset shaft 8 rotatably connected to large wheel 24.
• the unspecified housing of the drive 11 is connected to a Tatzlagerrohr 20 by way of example shorter than the Tatzlagerrohr 20 in FIG 2.
• FIG. 4 shows an example of a longitudinal section through a chassis 1 with two pendulum with a cross member 4 connected Tatzlagerantrieben 9 in a schematic representation of the
• the two drive motors 10 are connected to a coaxial with the respective wheelset shaft 8 rotatably mounted Tatzlagerrohr 20.
• chassis 1 alternatively, only one driven wheel set 7 can be accommodated. It can also be recorded several driven wheelsets 7, such as three or four.
• the wheelsets 7 may be fixed gear sets or Losrad among.
• the longitudinal section through the geometric center of the chassis 1. The image plane of FIG 4 therefore corresponds to the longitudinal section plane LSE.
• the longitudinal section plane LSE is perpendicular to a rail plane SE. A vertical axis passing through this center is at the same time the mirror axis of the chassis 1.
• "perpendicular" denotes a parallel direction to the surface normal of the rail plane SE, on which the chassis 1 shown is.
• FIG. 5 shows by way of example a longitudinal section through an inventive chassis 1 with a centrally arranged in the chassis frame 2 and two pull / push elements 41, 42 connected to a locomotive or car body 16 cross member 4 in a schematic representation.
• the joints 45, 46 are arranged through the middle of the chassis 1 both in a cross-sectional plane QSE and in a longitudinal sectional plane LSE.
• the articulated pull / pressure elements 41, 42 extend parallel to one another and also in mirror image to the plane passing through the axes of rotation RA of the wheel set shafts 8.
• each traction motor 10 has to initiate the torque originating from it or from the drive 9 to a torque arm 51, which is pivotally connected to the cross member 4.
• Braking torques may also be introduced into the cross member 4 via the torque arm 51, which may be e.g. come from a arranged in the wheelset 7 mechanical braking device.
• the illustrated torque arms 51 are hinged to the underside US of the cross member 4.
• each with a traction motor 10 and a gear 11 is added be, with the traction motors 10 are then connected in particular transversely elastic with the cross member 4.
• the one transmission has an even gear stage number, in particular two-stage, and the other transmission has an odd gear stage number, in particular one-stage, with a same transmission ratio.
• the engine torques originating from the two traction motors 10 mounted on the cross member 4 largely compensate each other.
• a torque arm is attached to each axle-riding gear 11, which in turn is pivotally connected to the cross member 4.
• FIG. 6 shows by way of example an inventive chassis 1 in a constructive representation and in a plan view.
• the center cross member 4 shown has a longitudinal and transverse axis of symmetry LA, QA, which are arranged in the cross-sectional plane QSE and in the longitudinal sectional plane LSE through the (geometric) center of the chassis 1.
• the cross member 4 is movably connected via two guide elements 60 with two longitudinal members 3 of the chassis frame 2.
• secondary springs 14 are arranged on the upper side OS of the cross member 4 . These serve for the suspension of the not shown "overlying" locomotive or car body 16.
• the tension / compression elements 41, 42 are formed as pull / push rods.
• two Tatzlagerantriebe 9 are each received with a traction motor 20 and a gear 11.
• the traction motors 10 are on the one hand firmly connected to a Tatzlagerrohr 20, wherein the Tatzlagerrohr 20 is carried out coaxially mounted to the axle 8.
• two Tatzlager 21 are each arranged, which each form an integral unit with the Radsatzlagern 6.
• the two traction motors 10 are connected via a respective torque arm 51 for initiating the traction motor or drive-side torques articulated to the side region of the cross member 4.
• the torque arms 51 are also connected via a respective pendulum 55 hinged to the cross member 4, which, however, are not visible in the present illustration.
• the torque arms 51 are shown in the following FIG 7 and FIG 8 in detail. Furthermore, the wheelsets 7 are connected via wheelset link 49 to the cross member 4.
• the wheelset bearings 6, as shown in FIG. 6, can be damped by way of example via primary springs 13 designed as cylinder springs relative to the respective wheel set link 49.
• the cross member 4 has a maximum width QB.
• the cross member 4 is located in the longitudinal extent LR of the chassis 1 between the wheelsets 7.
• the ratio of the distance AB to the maximum width QB of the cross member 4 is less than 1/2.
• the ratio has a value in a range of 1/4 to 1/3, so that an almost torque-free introduction of the driving motor or drive-side torques in the cross member 4 can be done.
• the wheel set bearings 6 in the chassis frame 2 are connected to the cross member 4, in particular laterally to the cross member 4, by means of a wheel set link 49 for improving the running properties of the chassis 1 shown.
• FIG. 7 shows a sectional view through the chassis 1 according to FIG. 6 along the section line VII - VII entered in FIG.
• Reference numeral FZ denotes a tensile force acting on the wheelset shaft 8, which is caused by the drives 9.
• the reference symbol FD designates a pressure force acting on the wheelset shaft 8, which acts in the opposite direction to the tensile force FZ.
• the reference numeral DM designates the drive torque acting on the respective wheelset shaft 8.
• the tensile and compressive force FZ, FD are depending on the direction of travel of the chassis in particular driving forces or braking forces of the drives 9. As the 7 shows further, the torque DM and the longitudinal forces FZ, FD on the two pull / push rods 41, 42nd at least almost completely introduced into the locomotive or car body 16.
• FIG. 8 shows a sectional view through the cross member 4 along the section line VIII-VIII entered in FIG. 6 in an enlarged view.
• Connecting element such as e.g. a rubber-metal element to be connected to the cross member 4.
• each one bearing block 43, 44 for articulated connection of the tension / compression elements 41, 42 on the upper and lower side OS, US of the cross member 4 is arranged. It is also between the lower bracket 44 and the torque arms 51 each a traction arm 57 articulated.
• the traction arms 57 have a longitudinal axis, which each extend in a longitudinal sectional plane through the center of the chassis 1. They continue to be parallel to one through the
• Rotary axes of the wheelset shaft extending plane and between the bottom US of the cross member 4 and the lower tension / compression element 42 and the lower pull / push rod 42 is arranged.
• the traction arms 57 result in comparatively low bending moments due to the tensile and braking forces around the vertical axis of the cross member 4 in comparison to the introduction of these forces on the Radsatzlenker 49th
• the joints 58, 59 may be, for example, a spherical bearing, a ball bearing or a rubber-metal element.
• the wheelset links 49 are arranged parallel to the traction arms 57. Due to the division of forces, the wheelset link 49 can be made softer compared to the solution without traction link 57 with respect to the connection to the cross member. This is cheaper in terms of the bow travel of the chassis 1 running technology.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
• Toys (AREA)
• Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
• Body Structure For Vehicles (AREA)
• Motor Power Transmission Devices (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=39523450

Family Applications (1)

Country Status (5)

Cited By (1)

Families Citing this family (4)

Family Cites Families (18)

• 2007
  • 2007-03-19 DE DE102007013050A patent/DE102007013050B4/de not_active Expired - Fee Related
• 2008
  • 2008-03-13 DE DE502008001081T patent/DE502008001081D1/de not_active Expired - Fee Related
  • 2008-03-13 WO PCT/EP2008/053031 patent/WO2008113744A1/fr active Application Filing
  • 2008-03-13 AT AT08717775T patent/ATE476341T1/de active
  • 2008-03-13 US US12/531,590 patent/US8122835B2/en not_active Expired - Fee Related
  • 2008-03-13 EP EP08717775A patent/EP2121408B1/fr not_active Not-in-force

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