EP3344510B1 - Bogie for a rail vehicle - Google Patents
Bogie for a rail vehicle Download PDFInfo
- Publication number
- EP3344510B1 EP3344510B1 EP16795294.4A EP16795294A EP3344510B1 EP 3344510 B1 EP3344510 B1 EP 3344510B1 EP 16795294 A EP16795294 A EP 16795294A EP 3344510 B1 EP3344510 B1 EP 3344510B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stepladder
- bogie
- bearing
- wheelset
- chassis
- 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
Links
- 239000000725 suspension Substances 0.000 claims description 4
- 230000009194 climbing Effects 0.000 claims 1
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D23/00—Construction of steps for railway vehicles
-
- 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
- B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
Definitions
- the invention relates to a chassis for a rail vehicle with a primary suspension, with an unsprung plane, which comprises a wheel, a wheelset shaft and a wheelset bearing, and with at least one stepladder for entry into a driver's cab.
- Step ladders or steps on rail vehicles are used to enter a driver's cab or a vehicle or to reach areas on vehicles in which maintenance activities are to be carried out.
- the Siemens Vectron locomotive is known in the prior art.
- this vehicle there is a step on the body, below the door in the driver's cab.
- a step ladder is located below the step, at the lower end and in the extension of the car body.
- this approach has the disadvantageous property of a reduced space for the stepladder, since, for example, according to the Indian standard "Indian Railways - Schedule of Dimensions - 1676 mm Gauge (Broad Gauge, BG), Revision 2004" the clearance profile in the transverse direction of the Vehicle hugs the car body and tapers downwards.
- step ladder When the vehicle is in operation, there is also an increased risk of the step ladder exceeding the prescribed clearance profile, since the step ladder, arranged on the car body and projecting vertically down into the plane of the chassis, carries out transverse displacements and turning movements relative to the chassis and rail with the car body , There is also a risk of collisions between the stepladder and the chassis.
- the invention is therefore based on the object of specifying an improved chassis compared to the prior art.
- this object is achieved with a chassis of the type mentioned in the introduction, in which the stepladder is arranged on the unsprung plane of the chassis.
- stepladder in the transverse direction of the vehicle than on the primary and secondary sprung plane and the stepladder only the movements of the non-sprung plane of the chassis, which are usually smaller in comparison with the primary and secondary sprung plane performs. This reduces the risk of violations of the clearance profile.
- the presence of the stepladder according to the invention on the chassis means that no extendable stepladder or fold-out steps have to be arranged on the car body.
- the undercarriage has an external bearing and the step ladder is arranged on the wheelset bearing. This measure results in an advantageous implementation of the stepladder according to the invention for undercarriages with external bearings in relation to the structural conditions of the undercarriage, since the wheelset mounting is arranged on the non-sprung level of the undercarriage.
- a preferred solution results if the clear width of the step ladder overlaps with the clear width of a car body step ladder or of car body step steps in the longitudinal direction of the rail vehicle located on the straight line. This measure ensures that the step ladder according to the invention and a car body step ladder or car body steps can be climbed consistently and therefore in an ergonomically advantageous manner.
- first elastic bearing and a second elastic bearing are arranged between the stepladder and the location of its attachment to the chassis. This results in a mechanical decoupling of the step ladder and the location of its attachment.
- Fig. 1 shows a first embodiment of a step ladder according to the invention for running gear with external storage.
- the stepladder 3 is arranged on a wheel set bearing 4 in such a way that areas or components of the undercarriage and components of a chassis 1 that are moving relative to the stepladder 3 and a car body 1 are excluded from contact with the stepladder 3.
- the wheelset bearing 4 is associated with a non-sprung plane of the chassis, on which a wheel 7 and a wheelset shaft 10 are also arranged.
- At least a first elastic bearing 11 and a second elastic bearing 11 are arranged between the step ladder 3 and the wheel set bearing 4, which lead to a mechanical decoupling of the wheel set bearing 4 from the step ladder 3.
- Fig. 2 shows a second embodiment of a step ladder according to the invention for chassis with internal storage.
- the stepladder 3 is arranged on a bracket 8 in such a way that areas or components of the undercarriage and components of a chassis which move relative to the stepladder 3 and a carriage body 1 cannot come into contact with the stepladder 3.
- the console 8 is associated with an unsprung plane of the chassis, on which a wheel 7 and a wheelset shaft 10 are also arranged.
- At least a first elastic bearing 11 and a second elastic bearing 11 are arranged between the step ladder 3 and the bracket 8, which lead to a mechanical decoupling of the bracket 8 from the step ladder 3.
- the console 8 is connected to the wheel set shaft 10 via a bearing 5 and is secured against rotation about the longitudinal axis of the wheel set shaft 10 by means of a torque support 9.
- the step ladder 3 according to the invention is arranged in this embodiment in such a way that it is in the longitudinal direction for the vehicle located on the straight line is in alignment with a car body step ladder 2. This measure results in a continuous and therefore ergonomically advantageous ascent to the car body 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
- Ladders (AREA)
Description
Die Erfindung bezieht sich auf ein Fahrwerk für ein Schienenfahrzeug mit einer Primärfederung, mit einer nicht gefederten Ebene, die ein Rad, eine Radsatzwelle und eine Radsatzlagerung umfasst sowie mit zumindest einer Trittleiter zum Einstieg in einen Führerstand.The invention relates to a chassis for a rail vehicle with a primary suspension, with an unsprung plane, which comprises a wheel, a wheelset shaft and a wheelset bearing, and with at least one stepladder for entry into a driver's cab.
Trittleitern oder Trittstufen an Schienenfahrzeugen dienen dem Einstieg in einen Führerstand bzw. in ein Fahrzeug oder zur Erreichung von Bereichen an Fahrzeugen, in denen Wartungsaktivitäten durchzuführen sind.Step ladders or steps on rail vehicles are used to enter a driver's cab or a vehicle or to reach areas on vehicles in which maintenance activities are to be carried out.
Nach dem Stand der Technik ist z.B. die Siemens-Lokomotive vom Typ Vectron bekannt. Bei diesem Fahrzeug ist auf dem Wagenkasten, unterhalb der Tür in den Führerstand eine Trittstufe angeordnet. Unterhalb der Trittstufe, am unteren Ende und in Verlängerung des Wagenkastens ist eine Trittleiter angeordnet.
Dieser Ansatz besitzt in seiner bekannten Form die nachteilige Eigenschaft eines reduzierten Bauraumangebots für die Trittleiter, da sich z.B. nach der Indischen Norm "Indian Railways - Schedule of Dimensions - 1676 mm Gauge (Broad Gauge, BG), Revision 2004" das Lichtraumprofil in Querrichtung des Fahrzeugs eng an den Wagenkasten schmiegt und nach unten hin verjüngt.
Im Betriebseinsatz des Fahrzeugs ergibt sich außerdem ein erhöhtes Risiko von Überschreitungen des vorgeschriebenen Lichtraumprofils durch die Trittleiter, da die Trittleiter, auf dem Wagenkasten angeordnet und vertikal nach unten in die Ebene des Fahrwerks ragend, mit dem Wagenkasten Querverschiebungen und Ausdrehbewegungen relativ zu Fahrwerk und Schiene ausführt.
Ferner besteht die Gefahr von Kollisionen zwischen der Trittleiter und dem Fahrwerk.For example, the Siemens Vectron locomotive is known in the prior art. In this vehicle there is a step on the body, below the door in the driver's cab. A step ladder is located below the step, at the lower end and in the extension of the car body.
In its known form, this approach has the disadvantageous property of a reduced space for the stepladder, since, for example, according to the Indian standard "Indian Railways - Schedule of Dimensions - 1676 mm Gauge (Broad Gauge, BG), Revision 2004" the clearance profile in the transverse direction of the Vehicle hugs the car body and tapers downwards.
When the vehicle is in operation, there is also an increased risk of the step ladder exceeding the prescribed clearance profile, since the step ladder, arranged on the car body and projecting vertically down into the plane of the chassis, carries out transverse displacements and turning movements relative to the chassis and rail with the car body ,
There is also a risk of collisions between the stepladder and the chassis.
Weiterhin sind die Lokomotiven der Baureihe 142 der Deutschen Reichsbahn der Deutschen Demokratischen Republik bekannt, bei denen auf den Fahrwerksrahmen Trittstufen angeordnet sind. Auch dieser Ansatz besitzt in seiner bekannten Form die Nachteile eines reduzierten Bauraumangebots für die Trittstufen und eines erhöhten Risikos von Überschreitungen des vorgeschriebenen Lichtraumprofils durch die Trittstufen, da diese mit dem Fahrwerksrahmen Bewegungen relativ zur nicht gefederten Ebene des Fahrwerks sowie zur Schiene ausführen.Furthermore, the locomotives of the 142 series of the German State Railroad of the German Democratic Republic are known, in which steps are arranged on the undercarriage. In its known form, this approach also has the disadvantages of a reduced space available for the treads and an increased risk of the prescribed clearance profile being exceeded by the treads, since these perform movements with the undercarriage frame relative to the unsprung plane of the undercarriage and to the rail.
Insbesondere aus "Tfz-Reihe 1016/1116 Taurus" der ÖBB-Produktion GmbH (http://www.oebb-produktion.at/Systemsteuerung/Druckversion.jsp?oid=178&lang=d e, abgerufen am 03.11.2016) ist der Begriff einer Federungsebene bekannt. Im Unterschied zu einer primär gefederten Ebene, die beispielsweise einen Fahrwerksrahmen umfasst, sind auf der nicht gefederten Ebene beispielsweise Räder, Radsatzwellen und Radsatzlagergehäuse angeordnet.The term is in particular from "Tfz-Reihe 1016/1116 Taurus" from ÖBB-Produktion GmbH (http://www.oebb-produktion.at/Systemsteuerung/Druckversion.jsp?oid=178&lang=de, accessed on November 3, 2016) a suspension level known. In contrast to a primarily spring-loaded level, which includes, for example, a chassis frame, wheels, wheelset shafts and wheelset bearing housings, for example, are arranged on the non-spring-loaded level.
Der Erfindung liegt daher die Aufgabe zugrunde, ein gegenüber dem Stand der Technik verbessertes Fahrwerk anzugeben.The invention is therefore based on the object of specifying an improved chassis compared to the prior art.
Erfindungsgemäß wird diese Aufgabe gelöst mit einem Fahrwerk der eingangs genannten Art, bei dem die Trittleiter auf der nicht gefederten Ebene des Fahrwerks angeordnet ist.According to the invention, this object is achieved with a chassis of the type mentioned in the introduction, in which the stepladder is arranged on the unsprung plane of the chassis.
Damit wird der Vorteil erzielt, dass in Querrichtung des Fahrzeugs mehr Platz für die Trittleiter zur Verfügung steht als auf der primär und sekundär gefederten Ebene und die Trittleiter nur die im Vergleich zur primär und sekundär gefederten Ebene für gewöhnlich geringeren Bewegungen der nicht gefederten Ebene des Fahrwerks ausführt. Dadurch sinkt die Gefahr von Verletzungen des Lichtraumprofils. Außerdem bewirkt das Vorhandensein der erfindungsgemäßen Trittleiter am Fahrwerk, dass am Wagenkasten keine ausfahrbare Trittleiter oder ausklappbare Trittstufen angeordnet werden müssen.This has the advantage that more space is available for the stepladder in the transverse direction of the vehicle than on the primary and secondary sprung plane and the stepladder only the movements of the non-sprung plane of the chassis, which are usually smaller in comparison with the primary and secondary sprung plane performs. This reduces the risk of violations of the clearance profile. In addition, the presence of the stepladder according to the invention on the chassis means that no extendable stepladder or fold-out steps have to be arranged on the car body.
Günstig ist es, wenn das Fahrwerk eine Außenlagerung aufweist und die Trittleiter auf der Radsatzlagerung angeordnet ist. Diese Maßnahme ergibt eine in Bezug auf die konstruktiven Begebenheiten des Fahrwerks vorteilhafte Umsetzung der erfindungsgemäßen Trittleiter für Fahrwerke mit Außenlagerung, da die Radsatzlagerung auf der nicht gefederten Ebene des Fahrwerks angeordnet ist.It is favorable if the undercarriage has an external bearing and the step ladder is arranged on the wheelset bearing. This measure results in an advantageous implementation of the stepladder according to the invention for undercarriages with external bearings in relation to the structural conditions of the undercarriage, since the wheelset mounting is arranged on the non-sprung level of the undercarriage.
Eine vorteilhafte Ausgestaltung erhält man, wenn das Fahrwerk eine Innenlagerung aufweist und die Trittleiter auf einer gegen die Radsatzwelle gelagerten Konsole, die mittels einer Drehmomentenstütze gegen Verdrehung um die Längsachse der Radsatzwelle gesichert ist, angeordnet ist.
Diese Maßnahme ergibt die in Bezug auf die konstruktiven Begebenheiten des Fahrwerks vorteilhafte Umsetzung der erfindungsgemäßen Trittleiter für Fahrwerke mit Innenlagerung, da die Konsole auf der nicht gefederten Ebene des Fahrwerks angeordnet ist.An advantageous embodiment is obtained when the undercarriage has an inner bearing and the stepladder is arranged on a bracket mounted against the wheelset shaft, which is secured against rotation about the longitudinal axis of the wheelset shaft by means of a torque arm.
This measure results in the advantageous implementation of the stepladder according to the invention for running gear with inner bearing in relation to the structural conditions of the running gear, since the console is arranged on the unsprung level of the running gear.
Eine bevorzugte Lösung ergibt sich, wenn sich die lichte Weite der Trittleiter mit der lichten Weite einer Wagenkasten-Trittleiter oder von Wagenkasten-Trittstufen in Längsrichtung des auf der Geraden befindlichen Schienenfahrzeugs überschneidet.
Durch diese Maßnahme wird eine durchgängige und damit ergonomisch vorteilhafte Besteigbarkeit der erfindungsgemäßen Trittleiter am Fahrwerk und einer Wagenkasten-Trittleiter oder von Wagenkasten-Trittstufen erzielt.A preferred solution results if the clear width of the step ladder overlaps with the clear width of a car body step ladder or of car body step steps in the longitudinal direction of the rail vehicle located on the straight line.
This measure ensures that the step ladder according to the invention and a car body step ladder or car body steps can be climbed consistently and therefore in an ergonomically advantageous manner.
Günstig ist es, wenn zwischen der Trittleiter und dem Ort ihrer Anbringung auf dem Fahrwerk zumindest ein erstes elastisches Lager und ein zweites elastisches Lager angeordnet sind.
Dadurch ergibt sich eine mechanische Entkopplung der Trittleiter und dem Ort ihrer Anbringung.It is expedient if at least a first elastic bearing and a second elastic bearing are arranged between the stepladder and the location of its attachment to the chassis.
This results in a mechanical decoupling of the step ladder and the location of its attachment.
Nachfolgend wird die Erfindung anhand von Ausführungsbeispielen näher erläutert.The invention is explained in more detail below on the basis of exemplary embodiments.
Es zeigen beispielhaft:
- Fig. 1:
- Einen Aufriss eines Seitenteils eines außengelagerten Fahrwerks mit einem Teil eines Wagenkastens, wobei eine erfindungsgemäße Trittleiter dargestellt ist, und
- Fig. 2:
- Einen Aufriss eines Seitenteils eines innengelagerten Fahrwerks mit einem Teil eines Wagenkastens, wobei eine erfindungsgemäße Trittleiter dargestellt ist.
- Fig. 1:
- An elevation of a side part of an externally mounted chassis with part of a car body, a step ladder according to the invention is shown, and
- Fig. 2:
- An elevation of a side part of an internally mounted chassis with part of a car body, a step ladder according to the invention being shown.
Die Radsatzlagerung 4 ist einer nicht gefederten Ebene des Fahrwerks zugehörig, auf der weiterhin auch ein Rad 7 und eine Radsatzwelle 10 angeordnet sind.
Zwischen der Trittleiter 3 und der Radsatzlagerung 4 sind zumindest ein erstes elastisches Lager 11 sowie ein zweites elastisches Lager 11 angeordnet, die zu einer mechanischen Entkopplung der Radsatzlagerung 4 von der Trittleiter 3 führen.
The wheelset bearing 4 is associated with a non-sprung plane of the chassis, on which a
At least a first elastic bearing 11 and a second elastic bearing 11 are arranged between the
Die Konsole 8 ist einer nicht gefederten Ebene des Fahrwerks zugehörig, auf der weiterhin ein Rad 7 und eine Radsatzwelle 10 angeordnet sind.
Zwischen der Trittleiter 3 und der Konsole 8 sind zumindest ein erstes elastisches Lager 11 und ein zweites elastisches Lager 11 angeordnet, die zu einer mechanischen Entkopplung der Konsole 8 von der Trittleiter 3 führen.
Die Konsole 8 ist über ein Lager 5 mit der Radsatzwelle 10 verbunden und mittels einer Drehmomentenstütze 9 gegen Verdrehung um die Längsachse der Radsatzwelle 10 gesichert. Die erfindungsgemäße Trittleiter 3 ist in diesem Ausführungsbeispiel in der Weise angeordnet, dass sie sich für das auf der Geraden befindliche Fahrzeug in Längsrichtung in einer Flucht mit einer Wagenkasten-Trittleiter 2 befindet. Diese Maßnahme ergibt einen durchgängigen und deshalb ergonomisch vorteilhaften Aufstieg zum Wagenkasten 1.
The
At least a first elastic bearing 11 and a second elastic bearing 11 are arranged between the
The
- 11
- Wagenkastencar body
- 22
- Wagenkasten-TrittleiterCar body stepladder
- 33
- Trittleiterstepladder
- 44
- Radsatzlagerungshaft mounting
- 55
- Lagercamp
- 66
- Primärfederungprimary suspension
- 77
- Radwheel
- 88th
- Konsoleconsole
- 99
- Drehmomentenstützetorque arm
- 1010
- Radsatzwelleaxle
- 1111
- Elastisches LagerElastic bearing
Claims (6)
- Bogie for a rail vehicle with a primary suspension, with a non-suspended level which comprises a wheel, a wheelset shaft and a wheelset bearing, and also with at least one stepladder for climbing into a driver's cab, characterised in that the stepladder (3) is arranged on the non-suspended level of the bogie.
- Bogie according to claim 1, characterised in that the bogie has an exterior bearing and the stepladder (3) is arranged on the wheelset bearing (4).
- Bogie according to claim 1, characterised in that the bogie has an interior bearing and the stepladder (3) is arranged on a bracket (8) mounted against the wheelset shaft (10), which is secured against rotating about the longitudinal axis of the wheelset shaft (10) by means of a torque support (9) .
- Bogie according to claim 1, characterised in that the clear span of the stepladder (3) overlaps with the clear span of a vehicle body stepladder (2) or of vehicle body footsteps in the longitudinal direction of the rail vehicle situated on the straight track.
- Bogie according to claim 1, characterised in that at least one first resilient bearing (11) and one second resilient bearing (11) are arranged between the stepladder (3) and the location of its attachment to the bogie.
- Rail vehicle with at least one bogie according to one of the claims 1, 2, 3, 4 or 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA51055/2015A AT518035B1 (en) | 2015-12-10 | 2015-12-10 | Undercarriage for a rail vehicle |
| PCT/EP2016/077240 WO2017097529A1 (en) | 2015-12-10 | 2016-11-10 | Bogie for a rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3344510A1 EP3344510A1 (en) | 2018-07-11 |
| EP3344510B1 true EP3344510B1 (en) | 2019-12-25 |
Family
ID=57321292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16795294.4A Active EP3344510B1 (en) | 2015-12-10 | 2016-11-10 | Bogie for a rail vehicle |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3344510B1 (en) |
| AT (1) | AT518035B1 (en) |
| WO (1) | WO2017097529A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US981465A (en) * | 1910-09-21 | 1911-01-10 | Ancel C Neale | Safety-step for freight-cars. |
| US1505015A (en) * | 1923-07-19 | 1924-08-12 | Jr James Dunlap | Car step |
| BE507298A (en) * | 1950-12-11 | 1951-12-15 |
-
2015
- 2015-12-10 AT ATA51055/2015A patent/AT518035B1/en not_active IP Right Cessation
-
2016
- 2016-11-10 EP EP16795294.4A patent/EP3344510B1/en active Active
- 2016-11-10 WO PCT/EP2016/077240 patent/WO2017097529A1/en active Application Filing
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| AT518035B1 (en) | 2021-02-15 |
| EP3344510A1 (en) | 2018-07-11 |
| WO2017097529A1 (en) | 2017-06-15 |
| AT518035A1 (en) | 2017-06-15 |
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