EP3344510B1 - Train de roulement de véhicule ferroviaire - Google Patents

Train de roulement de véhicule ferroviaire Download PDF

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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
Application number
EP16795294.4A
Other languages
German (de)
English (en)
Other versions
EP3344510A1 (fr
Inventor
Thomas Weidenfelder
Jochen Brandstetter
Michael GROBBAUER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility Austria GmbH
Original Assignee
Siemens Mobility GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Publication of EP3344510A1 publication Critical patent/EP3344510A1/fr
Application granted granted Critical
Publication of EP3344510B1 publication Critical patent/EP3344510B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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)

Claims (6)

  1. Châssis destiné à un véhicule ferroviaire et comprenant une suspension primaire, avec un plan non suspendu qui comprend une roue, un arbre d'essieu et un palier d'essieu ainsi qu'avec au moins un marchepied permettant l'accès à une cabine de conduite, caractérisé en ce que le marchepied (3) est agencé dans le plan non suspendu du châssis.
  2. Châssis selon la revendication 1, caractérisé en ce que le châssis présente un palier extérieur et le marchepied (3) est agencé sur le palier d'essieu (4).
  3. Châssis selon la revendication 1, caractérisé en ce que le châssis présente un palier intérieur et le marchepied (3) est agencé sur une console (8) installée contre l'arbre d'essieu (10) et dont une rotation autour de l'axe longitudinal de l'arbre d'essieu (10) est empêchée au moyen d'un support de couple (9).
  4. Châssis selon la revendication 1, caractérisé en ce que la largeur intérieure du marchepied (3) se superpose à la largeur intérieure d'un marchepied de caisse (2) ou de marches d'accès de caisse dans le sens longitudinal du véhicule ferroviaire lorsqu'il est rectiligne.
  5. Châssis selon la revendication 1, caractérisé en ce qu'au moins un premier palier élastique (11) et un deuxième palier élastique (11) sont agencés entre le marchepied (3) et le lieu de sa mise en place sur le châssis.
  6. Véhicule ferroviaire comprenant au moins un châssis selon l'une quelconque des revendications 1, 2, 3, 4 ou 5.
EP16795294.4A 2015-12-10 2016-11-10 Train de roulement de véhicule ferroviaire Active EP3344510B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA51055/2015A AT518035B1 (de) 2015-12-10 2015-12-10 Fahrwerk für ein Schienenfahrzeug
PCT/EP2016/077240 WO2017097529A1 (fr) 2015-12-10 2016-11-10 Train de roulement de véhicule ferroviaire

Publications (2)

Publication Number Publication Date
EP3344510A1 EP3344510A1 (fr) 2018-07-11
EP3344510B1 true EP3344510B1 (fr) 2019-12-25

Family

ID=57321292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16795294.4A Active EP3344510B1 (fr) 2015-12-10 2016-11-10 Train de roulement de véhicule ferroviaire

Country Status (3)

Country Link
EP (1) EP3344510B1 (fr)
AT (1) AT518035B1 (fr)
WO (1) WO2017097529A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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 (fr) * 1950-12-11 1951-12-15

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
AT518035B1 (de) 2021-02-15
EP3344510A1 (fr) 2018-07-11
WO2017097529A1 (fr) 2017-06-15
AT518035A1 (de) 2017-06-15

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