EP3197743A1 - Cadre de train avec cuvette de ressort - Google Patents

Cadre de train avec cuvette de ressort

Info

Publication number
EP3197743A1
EP3197743A1 EP15757163.9A EP15757163A EP3197743A1 EP 3197743 A1 EP3197743 A1 EP 3197743A1 EP 15757163 A EP15757163 A EP 15757163A EP 3197743 A1 EP3197743 A1 EP 3197743A1
Authority
EP
European Patent Office
Prior art keywords
section
chassis frame
spring
flange
frame according
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.)
Withdrawn
Application number
EP15757163.9A
Other languages
German (de)
English (en)
Inventor
Christian KARNER
Radovan Seifried
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 AG Oesterreich
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 AG Oesterreich filed Critical Siemens AG Oesterreich
Publication of EP3197743A1 publication Critical patent/EP3197743A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B61F5/50—Other details
    • B61F5/52—Bogie frames
    • 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

Definitions

  • the invention relates to a chassis frame for a
  • Bogie of a rail vehicle comprising at least one side rail comprising a top flange and a bottom flange, wherein the side rail at least one end portion, a central portion and an intermediate therebetween
  • the chassis frame usually has two parallel
  • Each side member usually has a central portion to which closes on both sides depending on a transition section and to a
  • Transition section each includes an end section.
  • the invention is both for bogies with straight
  • Bogies for rail vehicles are usually used to store railcars or wagons and connect to the rails.
  • a bogie therefore has as a central element on a chassis frame, which has a conventional manner a primary suspension for transmitting the forces in a rail contacting the wheelset and a secondary suspension for storage of the wagon or railcar.
  • the suspensions serve for Reduction or damping of the resulting vibrations and allow a smooth running of the wheels at different speeds and Streckentreatmentnism such as cornering or a straight section.
  • Chassis frames must therefore be designed so that they like the high loads and attacking forces
  • the side members Includes longitudinal members disposed end regions of the cross member.
  • the side members can be executed cranked, thereby being offset in the direction of the rails
  • Central portion forms, which is connected to the cross member. On both sides starting from the central portion, a transitional section is formed, which is angled only when the longitudinal members are bent, and subsequently thereto, essentially parallel to the central section (in the case of bent longitudinal members) or at the same height
  • a spring cup serves to center the spring and to introduce forces into the spring, at the same time limiting the maximum deflection of the spring in the radial direction.
  • the spring cup usually has a circular, oval or rectangular cross section and is in the direction of the wheelset, so in an operating position downwards, open, so that forms an open profile in cross section.
  • the transition from the cross section e.g. one
  • closed box cross-section of the longitudinal member in the region of the central portion and the transition portion to open cross section of the spring cup is of particular importance because it is a highly loaded area, which is further weakened by the attachment of welds, especially since the stresses in the welds must be kept low.
  • Another disadvantageous solution is to locate the relevant sites locally
  • the invention should be characterized by a small
  • the invention relates to a chassis frame for a
  • Bogie of a rail vehicle comprising at least one side rail comprising a top flange and a bottom flange, wherein the side rail at least one end portion, a central portion and an intermediate therebetween
  • the lower flange has a curvature in the region of the transition section, which is designed such that the imaginary
  • Transition section optimally in upper and lower belt
  • the top flange of the longitudinal member usually forms at the end facing the end of an area which is parallel to the central portion (with cranked
  • the upper flange and the lower flange are not directly connected to each other, but another element is arranged in the transition section on the upper flange, which extends the upper flange. In this case, the cuts
  • the upper flange should end even in the angled region of the transition portion of a cranked longitudinal member.
  • the actual connection, in particular welding, of the lower belt with the upper belt thus takes place via the further element, which acts as a connecting element between the two belts.
  • the end of the lower flange and the end of the upper flange include an angle, which angle is in a range of 60 °, preferably 70 °, more preferably 80 °, to 90 °.
  • the adjusting angle also refers to the imaginary extensions of the ends of the straps, should the lower flange not be connected directly to the upper flange.
  • the angle refers to the acute angle which usually forms at the end of the transition section between the upper and lower chords.
  • Box cross-section is formed, which consists of a
  • Upper belt, a lower flange and the two straps connecting side elements which are welded together, or is designed as an I-profile, which consists of a top flange, a bottom flange and one of the two straps
  • the spring cup comprises a spring base for receiving the primary suspension and a jacket for partially housing the primary suspension, wherein the jacket of the spring cup has at least one extension, which extension at least partially contacted a curvature having portion of the lower flange.
  • the jacket of the spring cup can be constructed from a single plate-shaped element or from a plurality of interconnected, preferably
  • the jacket forms a cross-section which completely surrounds the primary suspension and a movement of the primary suspension in a direction normal to one
  • the lower flange forms the jacket of the spring cup at least in sections.
  • Bottom belt is suitable for forming a side surface of the shell. On the one hand, this leads to one
  • Extension facing the central portion of the longitudinal member.
  • the extension is thus led beyond the curvature.
  • In the contact region of the extension is directly connected to the lower flange and / or with another element of the chassis frame, such as a Radsatz Unit, preferably welded.
  • the upper flange forms the spring base.
  • the spring base is a plate-like element, which at least with the upper flange connected is. Due to the design of the spring plate by a separate plate-like element, this may have a greater thickness than the upper flange and the lower flange to accommodate a high load can. As a result, the upper flange or lower flange itself, which have a lower load, because they are divided into two straps, can have a smaller wall thickness, so that the weight of the upper
  • the spring base for connection to the upper flange and the lower flange has a fork-like connection portion. In order to initiate the forces absorbed by the spring base evenly in upper and lower belt, without losing the strong
  • Connection portion formed such that at least one fork-like extension projects beyond the top flange and contacted at least in sections, to connect the spring base to the top flange, preferably to weld and at least one other fork-like extension projects beyond the bottom flange, this in the region of the transition section
  • Fig. 1 is a side view of a chassis frame according to the
  • FIG. 2 is a bottom view of a chassis frame according to the prior art
  • Fig. 3 is a side view of an embodiment of a chassis frame according to the invention
  • Fig. 4 is a view of the underside of an inventive
  • Fig. 6 is an illustration of a bogie with a
  • Fig. 7 is an axonometric view of an alternative
  • Fig. 8 is a further axonometric view of a
  • Figures 1 and 2 show a cranked side member 1 of a chassis frame for a bogie according to the prior art comprising a top flange 2 and a bottom flange 3.
  • the longitudinal beam 1 in this case has a down in operation central portion 6, on which a
  • Cross member 13 is arranged. Starting from the
  • Central section 6 form two angled to the central portion transition sections 5, each open in an end portion 4, which end portions 4 extend substantially parallel to the central portion 6.
  • Upper flange 2 and lower flange 3 extend in the central section 6, over a large part of the transition section 5 and in the End section 4 approximately parallel and are connected by not shown side walls together to form a closed first, here box-shaped, cross-section 7, see Fig. 5.
  • the end portion 4 forms a spring cup 8, which for receiving a primary suspension,
  • a cylindrical spring for example, a cylindrical spring, a Flexicoil spring or a laminated spring, the bogie is used.
  • a Flexicoil spring for example, a Flexicoil spring or a laminated spring, the bogie is used.
  • Spring cup 8 comprises a spring base 10 on which the primary suspension rests and through which spring base 10, the primary suspension is centered.
  • the primary suspension rests and through which spring base 10, the primary suspension is centered.
  • the primary suspension is centered.
  • Spring cup 8 also has a jacket 11 which surrounds the primary suspension in the region of the end section 4 of the longitudinal member 1.
  • the lower flange 3 is guided in the end section 4 only to the shell 11 of the spring cup 8 and surrounds the shell 11 at least along a portion of the lateral surface.
  • Embodiments of the lower flange 3 is designed as a support for the shell 11 and engages under this at least in sections, the lower flange 3 in this case has a recess through which the primary suspension enters the spring cup 8. There are a lot of others
  • Section between spring cup 8 and the transition section 5 of the longitudinal member first Fig. 2 shows an alternative view of the above described embodiment of a chassis frame according to the prior art, wherein the primary suspension receiving side of the chassis frame is shown.
  • the cross member 13 connected to the central portion 6 of the longitudinal member 1 can be seen.
  • the longitudinal member 1 also has a central portion 6, two end portions 4 and two transition portions 5 and is connected in the central portion 6 with a cross member 13. The differences in the definition of the sections are discussed below.
  • the lower flange 3 according to the invention has a curvature 9, which is designed such that the lower flange 3, the box-shaped
  • Section 7 in the transition section 5 closes by the lower flange 3 is bent in the direction of the upper belt 2.
  • Cross member 13 seen a continuous closed profile, which has an optimized stiffness profile
  • Another aspect of the invention relates to the design of the spring cup 8, which in connection with the above
  • the shell 11 of the spring cup has on each side of an extension 12 which surrounds the lower flange 3, so contacted the lower flange in that the curvature 9 exhibiting area.
  • the extension 12 is connected to the lower flange 3 near or at the longitudinal edge of the lower belt 3.
  • a weld seam which connects the spring cup 8 to the lower chord 3 can be made substantially longer, whereby the strength of the weld seam can be reduced, and in particular one end of the weld in a less loaded section of the lower chord 3, which is closer to the central section 6, can be arranged.
  • the extensions 12 are guided into a section behind the curvature 9, in which the lower flange 3 substantially
  • the jacket 11 may be made of one piece, or be composed of a plurality of interconnected, preferably welded, plate parts.
  • a width of the extension so that dimension which the distance of the outer edge of the extension 12 to the
  • the lower flange 3 forms in the curvature 9 having and connected to the top flange 2 portion of a part of the lateral surface 11, more precisely, the cross member 13 facing side surface of the shell eleventh
  • the spring base 10 of the spring cup 8 is formed by the upper flange 2.
  • the spring base 10 is a separate component, which is connected to the upper flange 2, preferably welded. This allows the spring base 10 in a simple manner have a higher thickness than the top flange 2 itself.
  • the spring base 10 may have a fork-like connection portion, wherein at least one of the forks with the Bottom 3 and at least one of the forks is connected to the top flange 2, so that the welds are not directly in the interface of upper flange 2 and
  • FIG. 6 shows a chassis frame according to the invention in a bogie.
  • primary springs 14 are inserted into the spring pots 8, which are connected at that end, which is opposite to the spring base 10, with a wheel 15.
  • the wheelset 15 is by means of a
  • Wheel set guide 16 connected to the chassis frame.
  • the extensions 12 of the shell 11 are up to the on
  • Chassis frame connected part of the wheelset 16 guided and connected to this, preferably
  • a secondary spring 17 is arranged centrally.
  • the Springs and damper elements 18 are arranged on each of the springs 14,17.
  • End section 4 in three-dimensional representation.
  • the first cross section 7 is formed in the present case as an I-profile, wherein upper flange 2 and lower flange 3 by a web 19th

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Springs (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne un cadre de train pour un bogie d'un véhicule ferroviaire, comprenant au moins un longeron (1) comprenant une semelle supérieure (2) et une semelle inférieure (3). Le longeron (1) possède au moins une portion d'extrémité (4), une portion centrale (6) et une portion de transition (5) intermédiaire, et la portion d'extrémité (4) du longeron (1) est réalisée sous la forme d'une cuvette de ressort (8) destinée à accueillir une suspension primaire. Pour améliorer la courbe de rigidité entre la cuvette de ressort (8) et la portion de transition (5), la semelle inférieure (3) possède dans la zone de la portion de transition (5) une courbure (9) qui est configurée de telle sorte que le prolongement imaginaire de la semelle inférieure (3) et la semelle supérieure (2) elle-même ou le prolongement imaginaire de la semelle supérieure (2) se croisent dans la portion d'extrémité (4).
EP15757163.9A 2014-09-22 2015-08-12 Cadre de train avec cuvette de ressort Withdrawn EP3197743A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50665/2014A AT516364A1 (de) 2014-09-22 2014-09-22 Fahrwerksrahmen mit Federtopf
PCT/EP2015/068527 WO2016045864A1 (fr) 2014-09-22 2015-08-12 Cadre de train avec cuvette de ressort

Publications (1)

Publication Number Publication Date
EP3197743A1 true EP3197743A1 (fr) 2017-08-02

Family

ID=54035207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15757163.9A Withdrawn EP3197743A1 (fr) 2014-09-22 2015-08-12 Cadre de train avec cuvette de ressort

Country Status (6)

Country Link
US (1) US10457298B2 (fr)
EP (1) EP3197743A1 (fr)
CN (1) CN107107924B (fr)
AT (1) AT516364A1 (fr)
RU (1) RU2669659C1 (fr)
WO (1) WO2016045864A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT515583A1 (de) * 2014-03-19 2015-10-15 Siemens Ag Oesterreich Drehgestellrahmen
DE102017111190A1 (de) 2017-05-23 2018-11-29 Voith Patent Gmbh Drehgestell für Schienenfahrzeug
US11325624B2 (en) 2020-05-29 2022-05-10 Parallel Systems, Inc. Electric rail vehicle
US11524709B2 (en) 2021-03-12 2022-12-13 Parallel Systems, Inc. Electric rail vehicle
US11548542B2 (en) 2021-04-28 2023-01-10 Parallel Systems, Inc. System and/or method for platooning

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754514A (en) * 1971-10-19 1973-08-28 Pullman Inc Lateral motion railway car truck
DE2514304A1 (de) * 1974-04-03 1975-10-16 Paton Drehgestell fuer ein schienenfahrzeug
US6142081A (en) * 1998-05-07 2000-11-07 Naco, Inc. Pedestal rocker seat for providing passive axle steering to a rigid railway truck

Family Cites Families (19)

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US762043A (en) * 1902-11-01 1904-06-07 Thomas M Gallagher Side frame for trucks.
US860925A (en) * 1906-10-22 1907-07-23 Arthur Lipschutz Cast-steel side frame for car-trucks.
US1617811A (en) * 1925-10-12 1927-02-15 Charles F Huntoon Bolster spring seat stop
US4150627A (en) * 1974-04-03 1979-04-24 Hamilton Neil King Paton Self-contained frictionally damped resilient suspension system for railcars
US4111131A (en) * 1976-01-19 1978-09-05 Standard Car Truck Company Resilient railroad car truck
US4351242A (en) 1980-02-19 1982-09-28 E. I. Du Pont De Nemours And Company Railway car truck side frame
US5410968A (en) 1993-10-04 1995-05-02 Amsted Industries Incorporated Lightweight fatigue resistant railcar truck sideframe with tapering I-beam construction
FR2720362B1 (fr) * 1994-05-30 1996-07-05 Gec Alsthom Transport Sa Chassis de bogie.
US5546869A (en) * 1995-07-13 1996-08-20 Amsted Industries Incorporated Lightweight railcar truck sideframe with increased resistance to lateral twisting
AT409843B (de) * 2000-04-17 2002-11-25 Siemens Sgp Verkehrstech Gmbh Fahrwerk für ein schienenfahrzeug
RU2280575C2 (ru) * 2003-12-10 2006-07-27 Закрытое акционерное общество "Управляющая компания ВКМ" Тележка транспортного средства
RU2323843C1 (ru) 2006-07-10 2008-05-10 Федеральное государственное унитарное предприятие "Производственное объединение УРАЛВАГОНЗАВОД" им. Ф.Э. Дзержинского Боковая рама железнодорожной тележки
WO2008070953A1 (fr) * 2006-12-15 2008-06-19 National Steel Car Limited Traverse danseuse
EP2454139B1 (fr) 2009-07-16 2014-05-14 Siemens AG Österreich Bogie ferroviaire
RU2434772C2 (ru) * 2009-10-08 2011-11-27 Открытое Акционерное Общество "Российские Железные Дороги" Рама немоторной тележки высокоскоростного железнодорожного транспортного средства
CN201792866U (zh) 2010-08-10 2011-04-13 包头北方创业股份有限公司 一种带吊耳的转向架侧架
EP2783939B1 (fr) * 2011-12-23 2017-03-29 CRRC Shandong Co., Ltd. Bogie de véhicule ferroviaire à grande vitesse
JP5765292B2 (ja) * 2012-05-21 2015-08-19 新日鐵住金株式会社 鉄道車両の台車枠
AU2014223270A1 (en) * 2013-03-01 2015-09-17 National Steel Car Limited Truck and sideframe therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754514A (en) * 1971-10-19 1973-08-28 Pullman Inc Lateral motion railway car truck
DE2514304A1 (de) * 1974-04-03 1975-10-16 Paton Drehgestell fuer ein schienenfahrzeug
US6142081A (en) * 1998-05-07 2000-11-07 Naco, Inc. Pedestal rocker seat for providing passive axle steering to a rigid railway truck

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016045864A1 *

Also Published As

Publication number Publication date
US10457298B2 (en) 2019-10-29
WO2016045864A1 (fr) 2016-03-31
CN107107924B (zh) 2020-05-19
US20170291618A1 (en) 2017-10-12
RU2669659C1 (ru) 2018-10-12
AT516364A1 (de) 2016-04-15
CN107107924A (zh) 2017-08-29

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