EP3630574A1 - Drehgestell für schienenfahrzeug - Google Patents
Drehgestell für schienenfahrzeugInfo
- Publication number
- EP3630574A1 EP3630574A1 EP18720204.9A EP18720204A EP3630574A1 EP 3630574 A1 EP3630574 A1 EP 3630574A1 EP 18720204 A EP18720204 A EP 18720204A EP 3630574 A1 EP3630574 A1 EP 3630574A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- primary
- bogie
- bogie according
- wheelset
- frame
- 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.)
- Granted
Links
- 239000000725 suspension Substances 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 230000008901 benefit Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
- B61F3/00—Types of bogies
- B61F3/02—Types of bogies with more than one axle
- B61F3/04—Types of bogies with more than one axle with driven axles or wheels
-
- 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
- B61F5/28—Axle-boxes integral with, or directly secured to, vehicle or bogie underframes
-
- 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
- B61F5/50—Other details
- B61F5/52—Bogie frames
Definitions
- the invention relates to a bogie for rail vehicles, in particular a driven bogie, comprising at least two wheelsets with wheels and wheelset, a frame with at least two longitudinal beams and at least one cross member, and first primary suspension, suitable to cushion the wheelsets relative to the frame, and Radsatzlagerened that the Store wheelsets in the frame.
- Conventional bogies have a chassis frame with two side rails, which usually extend over the Radsatzlagerungen, and bearing brackets, which are held on primary springs and wishbones on the side member on. Thus, the frame is sprung relative to the wheelsets. Between the frame of the bogie and the car body of the rail vehicle secondary springs are arranged, which cushion the bogie relative to the car body.
- An example of such bogies is shown in WO 2016/045864 A1.
- the wheel bearing is located on a bearing carrier, which is attached to the longitudinal member of the frame via a Radsatz Entry and which is sprung over the primary suspension, designed as a spiral spring, relative to the frame.
- a major disadvantage of the previously known bogies is that a lot of space for the primary suspension and the bearing carrier is needed.
- powered bogies the drive power from the engine via a gearbox and a clutch on one of the wheelsets is introduced The final drive is usually located in the space within the wheels.
- much coordination in the arrangement is necessary - between the engine, transmission, frame, primary suspension and wheelset bearings.
- WO 2012/139722 A1 a three-axle powered bogie is disclosed. Again, the wheelset is mounted on a bearing carrier, the over Primary springs in the form of coil springs against the longitudinal members of the frame is cushioned.
- the primary suspension is arranged as an annular spring element between the longitudinal members of the frame and a tubular cross member which serves as a chassis support and which carries the secondary suspension.
- a disadvantage of this construction is that the mass on the primary side, that is on the wheelset is very large, because the side members are rigidly connected to the wheelsets and thus unsupported.
- the traction motor is provided with on the bogie.
- the engine and the wheelset is attached as a traction unit on the outside of one of the side members. Again, a large amount of space is needed, which is disadvantageous and what the lying between the wheels, usable Niederfluranteil continues to limit by an inner side member.
- the object of the invention is therefore to provide a space-saving bogie with good suspension.
- the bogie according to the invention is characterized in that the longitudinal members are each formed as a self-supporting housing, of which the respective first Primärfederonne- and Radsatzlagerened the two wheelsets are substantially enclosed, wherein the first primary suspensions are configured such that in operation at least one , in particular per wheel set via at least one of the primary suspension drive torque can be transferred. That is, there is a left side rail that surrounds the left side wheel set bearings and first primary springs and a right side rail that surrounds the right side wheel set bearings and first primary springs.
- the main advantage of the solution according to the invention is that.
- the longitudinal member as a self-supporting housing and the integrated therein first primary suspension and Radsatzlagerungen enormous space and height can be saved. This is particularly interesting for low-floor vehicles.
- the unsprung mass on the primary side so on the wheelset very kleiri. This is good for a quiet running behavior and offers a reduced susceptibility to vibration.
- the self-supporting housing forms the supporting structure of the bogie and must be made so stable and torsionally stiff that it can absorb the occurring weight forces and dynamic forces.
- the wheelset bearings and the first primary suspensions it is understood here to be substantially enclosed that a substantial part thereof is surrounded by the housing which forms the support structure, in particular that the housing surrounds the wheel set bearings and the first primary springs along their circumference.
- Another advantage with this design is that the wheelset bearings and the first primary springs are better protected by the surrounding housing, for example from dirt or damage.
- the first primary suspensions are designed so that they can transmit drive torque, ie torque to the wheelsets, is. It makes it possible to install even the first primary suspension very space-saving and in particular without the need for additional height.
- the bearing carriers can completely omitted.
- the first primary suspension for example, a plurality of rubber elements, which are arranged as wedge segments between corresponding radial driving wedges, can be used. But it can also be used differently shaped rubber elements.
- the bogie according to the invention does not necessarily have to be a powered bogie. In particular, not all wheelsets of the bogie must be driven. And in particular, torque does not have to be transmitted via both sides of a wheelset.
- second primary suspensions may be present, which likewise cushion the wheelsets relative to the frame.
- an even better cushioning of vibration and vibration can be achieved, which significantly increases the life of the components.
- the effective diameter of the second primary spring is greater than the effective diameter of the first primary spring.
- the spring action is improved.
- These second primary suspensions are also designed such that drive torque can be transmitted via them.
- each wheel set per side has such a second primary suspension.
- the second primary suspensions may be arranged in the self-supporting housing of the longitudinal member. But you can just as well be provided outside of the longitudinal member. The second option offers the possibility of realizing a larger effective diameter for the second primary suspension without the self-supporting housing becoming too large.
- each wheel set has a side over which Drive torque is transmitted.
- the first primary springs are arranged concentrically to the wheelset shaft.
- concentric is meant that they are arranged symmetrically around the wheelset or its extension around.
- the second primary suspension in the above sense are arranged concentrically to the wheelset shaft.
- the second primary suspensions may be designed as so-called wedge-pack couplings, in which wedge-shaped rubber packages are arranged between radial driver elements of the hollow shaft.
- the first primary suspension and the Radsatzlagerung are each arranged around a stub shaft, which is externally attached to the wheel as an extension of the axle.
- the wheelset With a corresponding screw connection between the stub shaft and the wheel or wheel set shaft, the wheelset can be very easily and quickly separated from the stub shaft and the wheelset bearing and disassembled. This is a great advantage for maintenance - both when replacing the wheelsets and when replacing the wheelset bearings or primary suspension.
- this screw can be done via a central screw in the stub shaft.
- the connection can also be made via plug pins.
- the force and torque transmission can be done via suitable couplings. Particularly suitable for this purpose is a Hirth toothing on the wheel and the stub shaft, which interlock.
- the first primary springs are arranged radially within the wheelset bearings. This is something larger wheelset bearings necessary, the overall unit is still compact and is very easy to change.
- the primary suspension is arranged within the Radsatzlagerung, the unsprung mass on the primary side of the wheelset is smaller than in previously known bogies.
- second primary suspension results in a very compact design with very good suspension properties and high life for the components.
- the first primary springs can each be arranged in a hollow shaft, wherein the hollow shafts are mounted on the Radsatzlagerache in the housing.
- the first and the second primary suspensions preferably act side by side, that is, the second primary suspension acts as well as the first primary suspension between the hollow shaft and the stub shaft or the wheel.
- the first primary suspensions are designed as wedge-shaped rubber elements, which are preferably arranged in each case between radial driver elements which are part of the hollow shaft and / or rigidly connected to the hollow shaft.
- At least one of these aforementioned hollow shafts is equipped with a gear or connected to a gear via which the drive torque from a motor - possibly via a gear - can be introduced into the hollow shaft and on the wheelset.
- each wheel set has at least one such previously mentioned hollow shaft.
- at least one of the hollow shafts is connected to a brake disk, in particular if at least one hollow shaft is connected to a brake disk on each wheel set.
- the brake disc on the outside so the side which faces away from the wheel is provided.
- the braking force may be effective before the primary suspension in the drive train. With several rotors per bogie, the braking force can also be better distributed.
- the brake disc can also be connected directly to one of the stub shafts or to the wheel set. As a result, the braking force is introduced directly on the primary side.
- a transmission may be present at least in one: i, preferably in both self-supporting housings.
- the transmission over- or under-speeds the speed and transmits drive torque to the wheelsets.
- When located in the housing transmission is also considered in particular, if only one gear stage of a multi-stage transmission is present in self-supporting housing.
- the transmission can be designed as a bevel gear or a spur gear or a combination of both.
- a single-stage gear so that a small footprint is necessary.
- a two-stage gearbox offers a higher gear reduction without the need for gears that are too large.
- the drive torque can be transmitted from a longitudinal motor to the transverse wheelsets.
- at least one, preferably in both self-supporting housings a traction motor may be present.
- in combination with an in-housing gearbox can be a very efficient integrated, powered bogie represent. The entire mechanical drive part is housed and protected in the housing-like longitudinal member. If two sets of wheels are driven and there is an integrated drive train in each side rail, smaller motors and gears can be used, which offers advantages when integrated into the housing. In addition, much less coordination between the components is necessary, which facilitates the design.
- the bogie according to the invention is further improved with a power converter integrated in the self-supporting housing.
- a power converter integrated in the self-supporting housing As a result, a fully integrated and protected in the housing traction unit on the bogie is possible. As a result, very short current bridges are possible, which significantly reduces the total cabling effort.
- the two drive trains of traction motor and gear optionally also with power converter, arranged point symmetrical to each other on the two sides of the bogie. That is, one powertrain drives the front wheel set and the other driveline drives the rear wheel set.
- the two side members are arranged substantially outside the space between the wheels. This remains in the entire space, only slightly limited by the relative angle of rotation of the bogie for Car body, the possibility for a lowered bottom of the car body. The possible low-floor share is thus very high.
- the secondary suspensions are preferably designed as spring assemblies and may each contain a plurality of springs.
- the invention can also be applied to three-axle bogies.
- only one or two sets of wheels can be driven and stored and cushioned all wheel sets in the manner according to the invention.
- FIG. 1a, b Schematic representation of a bogie according to the invention in a lateral sectional view and in a sectional plan view
- FIG.2 top view of another bogie according to the invention
- 1a and 1b schematically show the essential structure of a bogie 1 'according to the invention.
- the frame has two self-supporting housing 2 'as a longitudinal member and a cross member 2a', which connects the two side members 2 'together.
- the side members 2 ' are located outside the space between the wheels 6.
- On the cross member 2a' are the secondary suspension 17, which cushion the bogie 1 with respect to the car body, and a non-illustrated rotary pan, via which the bogie with the car body rotatable but load-bearing can be connected.
- a traction motor 3' is installed in the self-supporting housings 2 'per side.
- the traction motor 3 ' is completely or largely integrated in the side member 2'.
- a part of the motor 3 ' can also be integrated in the cross member 2a.
- the traction motor 3 ' transmits in each case via the drive shaft 15' and a single-stage bevel gear 21 'the drive torque to the wheelsets part 5 of the single-stage bevel gear 21' is a gear 14 ', which is designed here as crown gear and directly connected to the hollow shaft 9' ,
- the other pinion sits on the drive shaft 15 '.
- the hollow shaft 9 ' is mounted in the housing 2' via the wheel bearing 12 '.
- the two motors 3 'and the associated drive trains are arranged in such a point-symmetrically mirrored order that one drives the front wheelset and one the rear wheelset 5.
- a stub shaft 8 ' is fixed on each side, which is radially surrounded by the first primary suspension 13'. That is, the first primary suspension 13 'is arranged symmetrically about the stub shaft 8'.
- the stub shaft 8 ' is rigid, for example, via a coupling, in particular a Hirth toothing, and via additional screw connections to the wheel 6 connected.
- the first primary suspension 13 ' is designed here with wedge-shaped rubber elements, between which are each driver elements of the hollow shaft. All first primary springs 13 'are executed similarly. Even if wheelset 5 is only transmitted via one side of the drive torque.
- the drive torque is transmitted from the hollow shaft 9 'via the first primary suspension 13' on the stub shaft 8 'and thus on the wheelset 5 with simultaneous cushioning.
- On the drive remote side of the wheelset 5 is only the cushioning on the first primary spring 13 '.
- the wheel bearings 12 ' are dimensioned so that they can surround the first primary suspension 13'.
- the larger wheel bearings 12 'offer additional advantages in terms of maintenance intervals and service life.
- Fig. 1a it can be clearly seen that the required installation space is much smaller due to the integrated first primary suspension 13 'than in the hitherto conventional bogies according to the prior art.
- FIG. 2 shows another embodiment of a bogie 1 according to the invention.
- An essential difference from the previously described variant is that in addition to the traction motors 3, the required power converters 4 or essential parts thereof, such as power components of the power converter 4 in the longitudinal member 2, which is designed as a self-supporting housing, housed.
- the drive trains are arranged point-symmetrically mirrored again.
- the traction is transmitted from the drive shaft 15 of the engine via the gear 21 to the hollow shaft 9.
- the fixedly connected to the hollow shaft gear 14 is part of the transmission 21st
- the first primary spring 13 which may be designed as a wedge-shaped rubber packages, the drive torque is transmitted to the stub shaft 8.
- the first primary springs 13 are located radially inside the wheelset bearings 12 and together with them in the self-supporting housing of the longitudinal member 2.
- second primary spring 10 are provided, which have a larger effective diameter than the first primary spring 13 and serve to increase the suspension effect yet.
- the stub shaft 8 is connected via a coupling 16 with a Hirth toothing and preferably rigidly connected to the wheel 6 via screw.
- a central screw may be provided by the stub shaft 8 or a plurality of screws distributed over the circumference may be used for attachment to the wheel.
- a brake disc 20 may be attached, on which the brake 1 1, which is attached to the side member 2, can act.
- the cross member 2a carries next to the secondary spring 17 nor the rotating pan 18 and lateral Abhebeschen 19 for the car body.
- elements for longitudinal and lateral force transmission, damping devices and stabilizing elements may be present.
- the power converter 4 may also be arranged separately outside the longitudinal member 2.
- the components enclosed by the self-supporting housing 2 are very well protected against damage and contamination.
- the mechanical and geometric coordination in the traction train is much easier possible.
- cooling devices that serve to cool the traction motor 3 and / or the power converter 4 and on the Bogie can be provided.
- a common cooling device for the motor 3 and the power converter 4 may be present.
- Fig. 3 shows the previously described bogie 1 again from the side. Again, the height and space advantage of the bogie according to the invention can be seen well ⁇ again. Traction motor 3 and power converter 4 are integrated into the longitudinal member 2, which is designed as a self-supporting housing. About the also integrated transmission 21 of the right wheelset can be driven. Furthermore, the brake 1 1 and the brake disc 20 can be seen.
- the drive train 4 shows the drive train as a cutout.
- the drive torque is transmitted to the hollow shaft 9 via the mounted drive shaft 15 and the two-stage bevel gear / spur gear 21.
- the speed of the motor 3 can be stocked in accordance with the requirements.
- the hollow shaft 9 is mounted in the housing, not shown, of the longitudinal member via the wheel bearings 12.
- the rubber elements of the first primary suspension 13 are located within the wheel bearings 12 and transmit the drive torque from the driver elements of the hollow shaft 9, not visible in this illustration, to the shaft stub 8.
- the second primary suspension 10 which is designed as a wedge-pack coupling with wedge-shaped rubber elements, also transmits Drive torque transmitted from the hollow shaft 9 on the stub shaft 8.
- the power transmission preferably takes place via a Hirth toothing. Illustrated by way of example is a central bore in the stub shaft 8 via which it can be fastened with a central screw on the wheelset.
- FIG. 5 shows an example of a wheel set 5 of a bogie according to the invention.
- two wheels 6 are present.
- coupling elements 16 are provided with Hirth toothing for connection of the stub shaft.
- holes for a screw with the stub shafts can be present. This allows a screw from the inside of the wheels are realized in the stub shaft inside.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017111190.5A DE102017111190A1 (de) | 2017-05-23 | 2017-05-23 | Drehgestell für Schienenfahrzeug |
PCT/EP2018/060178 WO2018215147A1 (de) | 2017-05-23 | 2018-04-20 | Drehgestell für schienenfahrzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3630574A1 true EP3630574A1 (de) | 2020-04-08 |
EP3630574B1 EP3630574B1 (de) | 2022-06-08 |
Family
ID=62063038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18720204.9A Active EP3630574B1 (de) | 2017-05-23 | 2018-04-20 | Drehgestell für schienenfahrzeug |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3630574B1 (de) |
CN (1) | CN110662685B (de) |
DE (1) | DE102017111190A1 (de) |
ES (1) | ES2923433T3 (de) |
PL (1) | PL3630574T3 (de) |
WO (1) | WO2018215147A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019109971A1 (de) * | 2019-04-16 | 2020-10-22 | Voith Patent Gmbh | Antriebsstrang für ein Schienenfahrzeug |
CN110155110B (zh) * | 2019-05-30 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | 轨道车辆的转向架构架及转向架 |
CA3206927A1 (en) * | 2021-02-02 | 2022-08-11 | Martin Pemberton | Bogie for a light rail system |
GB2603202B (en) * | 2021-02-02 | 2024-02-28 | The Council Of The City Of Coventry | Bogie for a light rail system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR784029A (fr) * | 1934-11-03 | 1935-07-20 | Bogie pour automotrices électriques | |
US4150627A (en) | 1974-04-03 | 1979-04-24 | Hamilton Neil King Paton | Self-contained frictionally damped resilient suspension system for railcars |
DE4429889A1 (de) * | 1994-08-24 | 1996-02-29 | Bergische Stahlindustrie | Angetriebenes Fahrwerk für Schienenfahrzeuge |
AT406569B (de) * | 1995-03-23 | 2000-06-26 | Elin Ebg Traction Gmbh | Fahrwerk für ein schienenfahrzeug, insbesondere niederflurstrassenbahn |
WO2008070953A1 (en) | 2006-12-15 | 2008-06-19 | National Steel Car Limited | Truck bolster |
DE102011016906A1 (de) | 2011-04-13 | 2012-10-18 | Voith Patent Gmbh | Drehmomentenstütze sowie Drehgestell für ein Schienenfahrzeug |
CN102407854A (zh) * | 2011-11-04 | 2012-04-11 | 张琳 | 轨道交通装置 |
CN103273938A (zh) * | 2013-05-31 | 2013-09-04 | 南车株洲电力机车有限公司 | 一种转向架 |
CN103587544A (zh) * | 2013-11-29 | 2014-02-19 | 米建军 | 一种轨道交通用减速装置 |
FI125398B (fi) | 2013-12-11 | 2015-09-30 | Helsingin Kaupungin Liikennelaitos Liikelaitos | Teli ja vaunurakenne kiskokulkuneuvoa varten |
AT516364A1 (de) | 2014-09-22 | 2016-04-15 | Siemens Ag Oesterreich | Fahrwerksrahmen mit Federtopf |
FR3029879B1 (fr) | 2014-12-15 | 2017-01-13 | Alstom Transp Tech | Bogie motorise pour un vehicule ferroviaire a plancher surbaisse |
DE102015211064A1 (de) | 2015-06-16 | 2016-12-22 | Bombardier Transportation Gmbh | Antriebsanordnung für Schienenfahrzeug, Schienenfahrzeug mit Antriebsanordnung sowie Verfahren zum Herstellen der Antriebsanordnung und des Schienenfahrzeugs |
-
2017
- 2017-05-23 DE DE102017111190.5A patent/DE102017111190A1/de not_active Withdrawn
-
2018
- 2018-04-20 WO PCT/EP2018/060178 patent/WO2018215147A1/de active Application Filing
- 2018-04-20 PL PL18720204.9T patent/PL3630574T3/pl unknown
- 2018-04-20 ES ES18720204T patent/ES2923433T3/es active Active
- 2018-04-20 EP EP18720204.9A patent/EP3630574B1/de active Active
- 2018-04-20 CN CN201880033766.6A patent/CN110662685B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN110662685B (zh) | 2021-05-18 |
EP3630574B1 (de) | 2022-06-08 |
PL3630574T3 (pl) | 2022-09-05 |
ES2923433T3 (es) | 2022-09-27 |
CN110662685A (zh) | 2020-01-07 |
WO2018215147A1 (de) | 2018-11-29 |
DE102017111190A1 (de) | 2018-11-29 |
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