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
  • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
  • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
  • B61F5/32—Guides, e.g. plates, for axle-boxes
  • B61F5/325—The guiding device including swinging arms or the like to ensure the parallelism of the axles

Definitions

• the invention relates to an attachment for a Radsatzlenker a rail vehicle, in particular for attachment of the Radsatzlenkers to a Radsatzlagergephinuse or a frame of the bogie of the rail vehicle.
• Wheel sets of rail vehicles are usually connected by means of Radsatzfedern, which are oriented substantially vertically, with a vehicle frame or a bogie frame of the rail car.
• the essential spring and stabilizing direction of this Radsatzfedern is the vertical, so usually provided for receiving longitudinal and transverse forces Radsatzlenker which connect to the other between the bearing housing for the wheel sets on the one hand and the vehicle frame, or the bogie frame.
• the Radsatzlenker serve to guide the wheelset in the track direction and thus for transmitting driving and braking forces in the longitudinal direction of the rail vehicle.
• wheelset must also absorb lateral forces.
• DE 39 35 319 A1 an oblique arrangement of the wheelset to the longitudinal axis of the bogie frame has been proposed.
• An alternative embodiment is known from DE 27 35 574 A1, in which an embodiment of a Radsatzlenkers is described with three hinge points, wherein the bogie frame two hinge points are assigned, one of which has a softer damping.
• the stabilization of the wheel set generated by the Radsatzlenker serves different purposes.
• the wheelset is to stabilize when driving straight ahead in the axial direction, which is essential especially in high-speed driving and defective track bodies.
• the lateral forces applied by the wheel set linkage vibrations on the wheel set can be suppressed and both the comfort and the driving safety of the rail vehicle can be improved.
• those from the prior art known Radsatzlenker to allow for cornering a rotational movement of the wheelset relative to the vehicle frame or the bogie frame, thus minimizing the angle of attack of the wheels relative to the rails. According to the arrangement disclosed in the above-mentioned publications, this is due to centrifugal forces in
• a bearing for a Radsatzscher which is characterized by transverse hinge pin with circular-sectional end surfaces configured, which in turn are recorded by open-edged recesses on the frame and covered with a screwed web.
• the disclosed attachment is structurally complex, it consists on the one hand of several individual components, which must be processed consuming to achieve a sufficient fit. On the other hand, the assembly and replacement of Radlenkersatzes consuming.
• Simple embodiments of the attachment points for Radsatzlenker include at the end of the Radsatzlenkers a bore which serves to receive a joint bearing with a bearing shell and a hinge pin.
• this bearing shell is pressed into the receptacle or glued element.
• glands are conceivable.
• a disadvantage of this approach is that the known compounds of the hinge pin with the bearing housing of the wheelset bearing either structurally complex anddeck owned in the vertical direction or can not sufficiently initiate the transmitted from the Radsatzlenker shear forces on the housing of the wheelset bearing and corresponding to the frame, since the interference fit or the bonding of the bearing shell can not withstand these forces.
• the invention has for its object to overcome the disadvantages of the known fasteners for Radsatzlenker and provide a structurally simple in the manufacture and assembly simple attachment, which both longitudinal and lateral forces from Radsatzlenker on the bearing housing for the wheel or in the reverse direction of the bearing housing can transmit to the vehicle frame or the bogie frame.
• the connection between this fastener and the Radsatzlenker is then achieved via the hinge pin, which protrudes in both directions over the bearing shell, that is, it has a first end and a second end, which are each received by parts of the Radsatzlenkers.
• a positive or non-positive connection or a screw connection of the first end or the second end of the hinge pin with the associated supporting components on the Radsatzlenker is possible.
• Particularly preferred is an embodiment of a Radsatzlenkers with a fork-shaped end, wherein in each case the legs of this fork have a connection to the first and the second end of the hinge pin.
• Attaching the first end and the second end of the hinge pin used a two-piece wheelset, wherein a first upper part of the Radsatzlenkers the first end of the hinge pin, which protrudes up out of the bearing shell associated. Accordingly, a second, lower part of the Radsatzlenkers with the second, down from the bearing shell protruding end of the hinge pin is connected.
• the inventive attachment of the Radsatzlenkers a vertical hinge pin and thus a sufficient lateral force transmission can be ensured.
• the attachment is characterized by its constructive simplicity, which makes it easy to mount the Radsatzlenker. This concerns both the initial assembly, as well as a replacement of the hinge pin or disassembly in connection with the maintenance of the wheelset.
• the simple assembly is based on the inventive separation of the bearing shell receiving fastener from Radsatzscher itself.
• the fasteners such as screw on both sides of
• Figure 1 shows an axial section through an inventive attachment of a Radsatzlenkers and sections of the wheelset bearing housing
• Figure 2 represents a figure 1 corresponding sectional view of a prior art attachment with a horizontally arranged hinge pin.
• FIG. 3 shows, in a sectional illustration corresponding to FIG. 1, a prior art arrangement with a vertically positioned hinge pin.
• FIG. 4 shows, in a schematically simplified three-dimensional illustration, a wheel set with a wheel set bearing in conjunction with wheelset links.
• FIG. 4 shows a wheel set 2 for a rail vehicle, which is supported by a wheel set bearing 3, which is surrounded by a wheel set bearing housing 4.
• a wheel set bearing 3 which is surrounded by a wheel set bearing housing 4.
• About the substantially vertically arranged springs 5 is a support to the vehicle frame or a bogie frame.
• These vertical springs 5 absorb shocks from the track body on the vehicle body or on the bogie.
• they are tuned to this main task, that is, in particular lateral forces are absorbed by other components.
• the Radsatzlenker 6 this purpose, which according to the illustration shown in Figure 4 binary, that can be configured with two joints 7.1, 7.2.
• the Radsatzlenker 6 are preferably oriented obliquely to the longitudinal axis of the vehicle or the bogie frame to allow both a better lateral stabilization, as well as for cornering through Centrifugal forces caused axial movement of the wheelset in a rotation relative to the vehicle frame or the bogie frame and thus to allow adapted to the curve of the rail position of the wheelset.
• the Radsatzlenker 6 and Radsatzlenker 6 with multiple joints in particular triangular arrangements are conceivable.
• the Radsatzlenker can also be arranged on both sides of a single wheel.
• FIG. 2 shows a prior art arrangement in which the Radsatzscher 6 has a hinge with a horizontally arranged hinge pin 11.
• joint instead of the term “joint” is generalized by an attachment to the wheelset bearing housing or the frame of the vehicle or bogie, including both the elements of
• Spherical bearing comprising a hinge pin and the bearing shell, as well as the corresponding receptacles and fastening means are understood both to Radsatzlenker, as well as the housing or frame.
• FIG. 2 The schematic representation of Figure 2 shows in an axial section to the wheelset bearing a Radsatzscher 6 with a bore at the pointing to the Radsatzlagergephaseuse end.
• This serves as a receptacle 10 for a bearing shell 13, which in turn leads the bearing pin 11.
• the bearing shell 13 is preferably made of a wear-free ring made of an elastomeric material and allows to a certain extent a gimbal movement of the Radsatzlenkers 6 relative to the housing or the frame.
• the bearing shell 13 can also be deviating in design and, in particular, essentially comprise inelastic components, for example made of Teflon or steel, for example for the sliding surfaces.
• the required limited three-dimensional mobility of the joint bearing can also be effected by a corresponding shaping of the running surfaces over which the bearing pin 11 slides.
• the horizontal hinge pin 11 is connected via a fastening means 8, in particular a screw, with the bearing housing 4.
• a fastening means 8 in particular a screw
• the bearing housing 4 Usually, in this case at least two attachment points are used, so that connection points arise on both sides of the bearing shell.
• a disadvantage of the known arrangement is that the bearing shell 13, which is usually pressed or glued into the receptacle 10, can not absorb transverse forces to a sufficient extent, so that either from the vertical springs 5 on the wheelset 6 transverse forces must be taken or the Attachment 1 is designed to be large-building merely with regard to the transverse force direction.
• Figure 3 shows a vertical arrangement of the hinge pin 11, which realizes the problem of a transversely rigid attachment 1. Transverse forces are not transmitted to the Radsatzlenker 6 via the press fit or the bond to the Radsatzlenker 6, but transversely to the hinge pin 11 and thus directly on the bearing shell 13 and the wall of the recess, which serves as a receptacle 10.
• a disadvantage of this known embodiment is that due to the vertical arrangement of the hinge pin 11 and the fastening means 8 are arranged to the wheel bearing housing 4 above and below the bearing shell 13. This leads to the disadvantage that the installation space of the attachment in the vertical direction increases and in the assembly of the wheelset 6 access to the fastening means is difficult.
• FIG. 1 shows an attachment 1 according to the invention of a wheelset link 6 to a wheelset bearing housing 4, which has the advantages of a vertical one Joint bolt 11 with a good mounting capability and a total of small unit connects.
• the bearing shell 13 is formed in a receptacle 10 of a separate to the Radsatzlenker 6 fastener 14. This makes it possible to connect a hinge pin 11 with fixing means 8 arranged on both sides of the wheel set bearing 3.
• the first end 11.1 which is above the bearing shell 13, and the second end 11.2, which is below the bearing shell 13, the size of the invention Attachment in the vertical direction.
• the first end of the hinge pin 11.1 is in communication with a first, upper end of the Radsatzschers 6.1.
• the second end of the hinge pin 11.2 is correspondingly connected to a second, lower end piece of the Radsatzlenkers 6.2. These connections can be made by a press fit, a
• first, upper end 6.1 and the second, lower end of the Radsatzlenkers 6 may be part of a yoke at the end of the Radsatzlenkers 6, which then represent the legs of the fork and are connected via a web connection with the remaining part of the Radsatzlenkers 6.
• first, upper end piece 6.1 and the second, upper end of the 6 6.2 Radsatzlenkers represent separate components, whereby the assembly is simplified because during assembly no alignment between the bearing shell 13 in the separate fastener 14 and the holes in the leg of the yoke must be made.
• the hinge pin 11 can be connected to the lower or the upper part of the Radsatzlenkers 6 and then attaching the bearing shell or the separate fastener 14 can be carried out.
• the mounting of a Radsatzlenkers 6 with an attachment 1 according to the invention is advantageously simple, since the two are arranged on both sides of the hinge pin 11 mounting points for Radsatzlagergephinuse 4 or to the frame easily accessible. The handling is further improved by the fact that these attachment points are arranged to extend substantially horizontally.
• the invention has been described above with reference to an embodiment for attachment to the wheel set bearing housing 4.
• the other joints or attachments of the Radsatzlenkers 6 on the vehicle frame or the bogie frame can also according to an advantageous embodiment comprising a structure comprising a separate fastener 14 with a vertically disposed hinge pin, so that the corresponding advantages in terms of mounting capability and a space savings for these hinge points let realize.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Testing Of Balance (AREA)
• Handcart (AREA)
• Pivots And Pivotal Connections (AREA)
• Platform Screen Doors And Railroad Systems (AREA)
• Vehicle Body Suspensions (AREA)
• Tires In General (AREA)
• Mechanical Control Devices (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=38823596

Family Applications (1)

Country Status (7)

Families Citing this family (3)

Family Cites Families (10)

• 2006
  • 2006-09-15 DE DE102006044162A patent/DE102006044162A1/de not_active Withdrawn
• 2007
  • 2007-09-17 ES ES07818185T patent/ES2385411T3/es active Active
  • 2007-09-17 AT AT07818185T patent/ATE553017T1/de active
  • 2007-09-17 CN CN2007800383613A patent/CN101605686B/zh not_active Expired - Fee Related
  • 2007-09-17 PL PL07818185T patent/PL2061690T3/pl unknown
  • 2007-09-17 EP EP07818185A patent/EP2061690B1/fr not_active Not-in-force
  • 2007-09-17 WO PCT/EP2007/008071 patent/WO2008031624A1/fr active Application Filing

Non-Patent Citations (1)

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