EP1977043A1 - Poutre flexible en acier et système d'aiguillage pour trains à sustentation magnétique équipé de cette poutre flexible - Google Patents

Poutre flexible en acier et système d'aiguillage pour trains à sustentation magnétique équipé de cette poutre flexible

Info

Publication number
EP1977043A1
EP1977043A1 EP07711139A EP07711139A EP1977043A1 EP 1977043 A1 EP1977043 A1 EP 1977043A1 EP 07711139 A EP07711139 A EP 07711139A EP 07711139 A EP07711139 A EP 07711139A EP 1977043 A1 EP1977043 A1 EP 1977043A1
Authority
EP
European Patent Office
Prior art keywords
bending
support
longitudinal direction
portions
bending beam
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
Application number
EP07711139A
Other languages
German (de)
English (en)
Other versions
EP1977043B1 (fr
Inventor
Qinghua Zheng
Friedrich LÖSER
Xiufei Liu
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.)
ThyssenKrupp Transrapid GmbH
Original Assignee
ThyssenKrupp Transrapid 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 ThyssenKrupp Transrapid GmbH filed Critical ThyssenKrupp Transrapid GmbH
Publication of EP1977043A1 publication Critical patent/EP1977043A1/fr
Application granted granted Critical
Publication of EP1977043B1 publication Critical patent/EP1977043B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E01B25/30—Tracks for magnetic suspension or levitation vehicles
    • E01B25/34—Switches; Frogs; Crossings

Definitions

  • Bending beam made of steel and a switch assembly made therewith for magnetic levitation railways
  • the invention relates to a bending beam of the type specified in the preamble of claim 1 and a switch assembly made therewith for magnetic levitation railways.
  • switch arrangements for magnetic levitation railways because of the conventional track vehicles other track guidance instead of the usual switches, which have movable tongues and frogs, mostly so-called flexures used (eg., "Maglev Transrapid - The new dimension of travel", Hestra-Verlag Darmstadt 1989, pages 32 to 35).
  • Such switch arrangements contain as essential part of a track section in the form of a bendable, z. B. 78 m and more long bending beam.
  • the bending beam is stationary at one end and otherwise supported on several supports in such a way that it can be elastically bent with the aid of hydraulic, mechanical or electrical actuators and thereby selectively aligned with one of several driveways branching off from the turnout.
  • DE 37 09 619 C2, DE 202 08 421 Ul are composed for this purpose consistently from upper straps, lower straps and these connecting side panels to form a stable hollow box profile with laterally arranged cantilevers or support plates. All these parts are made of steel and joined together by welding.
  • the technical problem of the invention is the construction of the bending beam of the type described constructively so that vibrations around the x-axis and z-direction are effectively reduced, without at the same time the bending stiffness in the y-direction is substantially increased.
  • the invention is based on the idea of decoupling the measures required to ensure a low bending stiffness in the y-direction from those measures which are necessary to ensure a high vibration resistance about the x-axis and in the z-direction.
  • the invention it is possible, on the one hand, to dimension the box-shaped support element with respect to the desired bending properties in the y-direction, while, on the other hand, the chain formed from the interconnected support plates leads to a high torsional stiffness and also reduces vibrations in the z-direction, without simultaneously significantly increase the bending stiffness of the bending beam in the y-direction.
  • FIG. 1 and 2 each show a schematic side view and plan view of a designated magnetic levitation switch assembly with a bending beam
  • FIG. 5 is a plan view corresponding to FIG. 4, but enlarged, of a bending carrier according to the invention, omitting an upper cover plate;
  • Fig. 6 is a section along the line VI-VI of Fig. 5;
  • Fig. 7 and 8 are each a front view and a plan view of a single support plate of the bending beam according to Figures 5 and 6.
  • FIG. 9 is a plan view of a support element of the bending support according to FIG. 5; FIG. and - A -
  • Fig. 1 to 4 includes a conventional switch assembly in the form of a bending switch for magnetic levitation trains a bendable, made of steel and extending over the entire length of the switch, z. B.
  • the supporting element 2 is formed from a top flange 3, a bottom flange 4 and two web plates or side parts 5 connecting them, which in the installed state are arranged substantially vertically and perpendicular to the top flange 3 and the bottom flange 4.
  • the stiffening serving transverse walls or bulkheads 6 are provided between the side parts 5, the stiffening serving transverse walls or bulkheads 6 are provided.
  • cantilevers or support plates 7 are fixed at the ends parallel to the side members 5 extending and vertically mounted in the installed state webs 8 are attached.
  • the direction of travel of the vehicles along the bending beam 1 and its longitudinal direction is generally referred to as the x-axis of an imaginary coordinate system, while the transverse thereto extending direction (width) in which the support plates 7 are extended, as the y-axis and the two axes vertical direction (height) as the z-axis of the imaginary coordinate system is considered.
  • a side guide rail is provided on each longitudinal side of the bending beam 1, wherein the arrangement is preferably mirror-symmetrical to the xz-plane of the imaginary coordinate system.
  • the bending beam 1 is provided on the underside of the webs 8 with equipment parts 14 in the form of stator carriers, which may consist of transversely to the webs 8 and equipment 10 arranged plates or blocks and z. B. are used to attach the stator of a long stator linear motor.
  • the described parts 1 to 14 are made of steel and are connected to form the apparent from Fig. 1 to 4 bending beam 1, preferably by welding inextricably.
  • a first support here the support 16
  • each support 17 to 21 attached to the underside of the bending beam 1 frame, which is movably mounted by means of wheels on rails, which is arranged on the respective supports 17 to 21 and extends in the y-direction of FIG are.
  • an actuator z.
  • equipment parts 10, 12 and 14 are not mitgebogene with the support member 2 when operating the switch assembly. They consist rather of z. B. only 1 m or 2 m long sections, which are separated from each other in the installed state by narrow slits so that they automatically arrange when bending the support member 2 along a traverse. Also, the cover plate 11 is suitably provided with parallel to the y-axis slots to facilitate the bending of the support member 2.
  • the support plates 7 serve essentially only the assembly of the equipment parts 10, 12 and 14, while the box-shaped support element 2 is decisive for the flexural rigidity in the y-direction and the vibration behavior about the x-axis and in the direction of the z-axis is.
  • an inventive bending beam 24 is constructed as shown in FIG. 5 to 8 so that at least one hollow box-shaped support member 25 and / or 26 essentially determines the bending ability or a relatively low bending stiffness of the bending beam 24, while supporting plates 27 in their entirety for a high strength of the bending beam 24 with respect to torsions about the x-axis or vibrations in the direction of the z-axis.
  • the structure of the bending beam 24 according to the invention as follows.
  • the bending beam 24 each includes an upper support member 25 and lower support member 26, both of which are dimensioned and formed according to the requirements, which are placed on a bending beam 24 with good flexibility in placing a switch in the sense of FIG .
  • both support elements 25, 26 are rectangular, wherein the long sides of the rectangle are arranged parallel to the y-direction and the short sides of the rectangle parallel to the z-direction.
  • Both support elements 25, 26 lie one above the other, have the same plane of symmetry or center plane 28, which is arranged parallel to the xz-plane of the imaginary coordinate system, and extend in a longitudinal direction parallel to the x-axis.
  • each support plate 27 has, according to FIG. 7, a middle, first attachment section 29, which has on an upper side an upwardly open recess 30 for the upper support element 25 and on a lower side a downwardly open recess 31 for the lower support element 26, both recesses 30, 31 preferably have an outer contour of the associated support elements 25, 26 adapted inner contour 32, 33 have.
  • first attachment portions 29 by in Fig. 6 and 7 indicated by dashed lines bending or bending lines 34 limited, which are arranged parallel to each other and in the assembled state of the bending beam 24 substantially vertically.
  • the support plate 27 is also shown in FIG. 7 and 8 with two outer or second mounting portions 35, 36 is provided.
  • the middle mounting portion 29 is preferably in a first mounting plane 37
  • the two outer mounting portions 35, 36 are arranged symmetrically to both sides of the median plane 28 and lie in a second mounting plane 38, as shown in Fig. 8 schematically indicated.
  • the mounting planes 37, 38 are arranged at preselected distances and preferably parallel to each other and parallel to the yz plane. Inside are the second
  • connecting portions 40, 41 are arranged obliquely to the median plane 28, for example at an angle of approximately 45 °. Therefore, the middle portions 30 and the connecting portions 40, 41 are arranged in the manner of an isosceles trapezoid.
  • the shaping can be done by bending processes usual in steel construction.
  • the support plates 27 are arranged in the longitudinal or x-direction of the support elements 25, 26 such that successive support plates (eg 27a and 27b in FIG Z axis arranged rotated position and the connecting portions 40, 41 are therefore arranged alternately in one or the other direction obliquely or diagonally.
  • the support plates 27 are pushed against one another on the support elements 25, 26 in the x-direction so that the middle attachment sections 29 of the support plates 27a, 27b illustrated by way of example overlap one another. Therefore, in the longitudinal direction of each of the support plates 27a, 27b following support plates (eg 27c and 27d in Fig. 5), the outer attachment sections (eg 35a, 36a) of the one support plate (eg.
  • this connection is carried out by means of screws 42 and on these nuts 43, as shown in particular Fig. 5 shows.
  • the fastening sections 35 and 36 are provided with a suitable number of screw holes 44, as shown in FIG.
  • the attachment of the support plates 27 to the support elements 25, 26 is preferably carried out with the aid of screws 42 and nuts 43.
  • edge zones 48 of two mutually associated attachment portions 29 are not only adjacent to each other, but also to the respective mounting flanges 45th so that the fastening screws 42 both the screw holes 47 and the
  • the support plates 27 take the layers, which can be seen in particular from FIG. 5, relative to one another and to the support elements 25, 26 a. Since in this state, their attachment portions 29 and 35, 36 are fixedly connected together, the support plates 27 form a longitudinally extending chain. This chain does not affect bends of the support elements 25, 26 parallel to the y-direction in the sense of FIG. 2 or only slightly. In contrast to torsions about the x-axis and 5 oscillations in the direction of the z-axis, the chain forms an extremely torsion-resistant or rigid construction. It is therefore possible to provide the support elements 25, 26 with relatively narrow cross-sections and to dimension and shape, as it is expedient for the desired bending with actuators low power as shown in FIG. At the same time, the shapes and dimensions of the support plates 27
  • the bending stiffness of the bending beam 24 is subjected in the longitudinal direction of comparatively small variations by the described construction, whereby the local stresses are significantly smaller than in the known constructions, which is the life of the bending beam according to the invention
  • the support elements 25, 26 are preferably formed continuously hollow in the longitudinal direction. This not only their interior, but also the space surrounding the support members 25, 26 is largely free and accessible, so that necessary inspections are easily 25 feasible.
  • the support members 25, 26 may be provided with stiffening ribs 49 welded to the outer periphery and to the mounting flanges 45, which are perpendicular to the mounting flanges 45 and support them in the x and y directions, respectively.
  • the bending beam 24 are formed analogous to the bending beams 1, ie in accordance with 30 Fig. 5 and 6 additionally provided with the equipment parts 10, 12 and 14, although in Fig. 5, the upper cover plate 11 has been omitted to the view of the Support plates 27 release.
  • the equipment 10, 12 and 14 have a length of z. B. 1 m or 2 m, so that between them for bending the support elements 25, 26th required slots 50 ( Figure 5) remain.
  • the distance between the middle mounting portions 29 from each other in the installed state is z. B. about 50 cm.
  • the middle and outer mounting portions 29 and 35, 36 are preferably planar and provided with positioning means in the form of locating holes 51 ( Figure 7) into which locating pins provided on the respective associated mounting portion are inserted.
  • the support elements 25, 26 from a plurality of parts which can be connected to one another in the longitudinal direction and which have additional mounting flanges 52 (FIG. 5), which are preferably provided with further positioning means and encircling in the circumferential direction, at their ends adjoining the joints.
  • additional mounting flanges 52 FIG. 5
  • support members 25, 26 to give other cross-sectional shapes, but instead of two support members 25, 26 provide only a single support member in the context of FIG. 3. Also in this case, one-piece, over the width of the bending beam 24 extended and connected to a torsionally rigid chain support plates can be provided with recesses into which the support element is at least partially inserted.
  • the invention is not limited to the described embodiment, which can be modified in many ways. This applies in particular to the shape and the angles under which the connecting elements 40, 41 - starting from an original substantially planar sheet metal body - bent or bent relative to the mounting portions 29 and 35, 36, respectively. Instead of sharp kinks are also soft, with comparatively large radii bends in the bending lines 34, 39 possible.
  • two support elements 25, 26, these may have identical, but also different cross-sectional shapes and / or wall thicknesses, wherein the position of the center of gravity of the bending beam 24 by appropriate dimensioning of the support members 25, 26 can be placed at a desired location. In this way, the preferred point of application for the respective actuator can be adjusted in the vertical direction.
  • the support elements may have other, for example round (tubular) instead of box-shaped cross-sections.
  • the rigidity of the bending beam 24 can be optimized in all directions. It will also be understood that the various features may be applied in combinations other than those described and illustrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Railway Tracks (AREA)

Abstract

L'invention concerne une poutre flexible (24) en acier destinée à un système d'aiguillage pour trains à sustentation magnétique. La poutre flexible selon l'invention contient au moins un élément support (25) en forme de caisson, qui s'étend en sens longitudinal (x) et sur lequel sont fixées des tôles d'appui (27) placées les unes derrière les autres dans le sens longitudinal, s'étendant des deux côtés de l'élément support et servant au montage d'éléments d'équipement (10, 12). Selon l'invention, les tôles d'appui (27) sont réalisées sous forme d'éléments d'un seul tenant, qui s'étendent sur la largeur de la poutre flexible et qui sont reliées entre elles dans le sens longitudinal en une chaîne qui n'influe pratiquement pas sur la rigidité flexionnelle de l'élément support (25) dans le sens souhaité (y) pour une opération d'aiguillage, mais qui présente une rigidité élevée quant à des torsions autour de l'axe longitudinal (x) et à des vibrations en sens vertical (z).
EP07711139A 2006-01-24 2007-01-10 Poutre flexible en acier et système d'aiguillage pour trains à sustentation magnétique équipé de cette poutre flexible Active EP1977043B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006003680A DE102006003680A1 (de) 2006-01-24 2006-01-24 Biegeträger aus Stahl und eine damit hergestellte Weichenanordnung für Magnetschwebebahnen
PCT/DE2007/000043 WO2007085222A1 (fr) 2006-01-24 2007-01-10 Poutre flexible en acier et système d'aiguillage pour trains à sustentation magnétique équipé de cette poutre flexible

Publications (2)

Publication Number Publication Date
EP1977043A1 true EP1977043A1 (fr) 2008-10-08
EP1977043B1 EP1977043B1 (fr) 2011-10-05

Family

ID=37890826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07711139A Active EP1977043B1 (fr) 2006-01-24 2007-01-10 Poutre flexible en acier et système d'aiguillage pour trains à sustentation magnétique équipé de cette poutre flexible

Country Status (6)

Country Link
US (1) US7966942B2 (fr)
EP (1) EP1977043B1 (fr)
CN (1) CN101008166B (fr)
AT (1) ATE527412T1 (fr)
DE (1) DE102006003680A1 (fr)
WO (1) WO2007085222A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006054818A1 (de) * 2006-11-21 2008-05-29 Prof. Feix Research & Development Gmbh & Co. Kg Trägerelement, Lageranordnung und Einstellanordnung für eine Biegeweichenanordnung
CN112523015B (zh) * 2015-11-10 2023-01-06 天铁公司 磁悬浮车辆的分段轨道
CN105755914B (zh) * 2016-03-24 2018-03-30 西南交通大学 应用于高温超导磁悬浮系统的机械道岔及转向方法
CN105821725A (zh) * 2016-04-29 2016-08-03 中铁第四勘察设计院集团有限公司 中低速磁悬浮交通工程低置线路双线地段承轨梁节间限位结构
CN115305748A (zh) * 2022-07-20 2022-11-08 中铁宝桥集团有限公司 一种跨座式旅游观光单轨双曲线替换梁道岔

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DE1042625B (de) * 1955-03-11 1958-11-06 Alweg Forschung G M B H Zungenweiche fuer Einschienenstandbahnen
DE1093395B (de) * 1957-08-03 1960-11-24 Alweg Forschung G M B H Zungenweiche fuer Einschienenstandbahnen
FR1353612A (fr) * 1963-01-17 1964-02-28 Poutre perfectionnée, en particulier pour pont roulant
US3999730A (en) * 1975-10-23 1976-12-28 Gonsalves George E Trolley conveyor track switch unit
JPS5816043B2 (ja) * 1976-12-28 1983-03-29 株式会社東芝 磁気浮上車両用分岐軌条装置
JPS5539577A (en) 1978-09-14 1980-03-19 Tokyo Shibaura Electric Co Flexibleejoint switch for track of normally electroconductive magnetically buoyeddup vehicle
JPS5575001A (en) 1978-11-29 1980-06-06 Tokyo Shibaura Electric Co Simple joint type branching apparatus for track of constant conductive magnetic float vehicle
JPS6020213B2 (ja) * 1978-12-20 1985-05-21 株式会社東芝 関節式軌道分岐装置における架線構造
DE3420260A1 (de) 1984-05-30 1985-12-05 Krauss-Maffei AG, 8000 München Weiche fuer die fahrbahn einer magnetschwebebahn
DE3709619A1 (de) * 1987-03-24 1988-10-13 Thyssen Industrie Duale weichenanordnung zur gemeinsamen benutzung durch spurgefuehrte schienen- und magnetfahrzeuge
JP2595405B2 (ja) * 1992-04-02 1997-04-02 財団法人鉄道総合技術研究所 超電導磁気浮上式鉄道の可撓式分岐装置
US5956919A (en) * 1997-09-08 1999-09-28 Wilian Holding Co. Spanning member with convoluted web and C-shaped flanges
US6279484B1 (en) * 2000-06-13 2001-08-28 John B. Shaw Actuating mechanism for a transit vehicle guide beam switch
DE20208421U1 (de) * 2002-05-28 2003-10-09 Thyssenkrupp Technologies Ag Biegeträger aus Stahl für eine Spurwechseleinrichtung bei Fahrwegen von Magnetschwebefahrzeugen
WO2003102304A1 (fr) * 2002-05-28 2003-12-11 Thyssenkrupp Technologies Ag Voie de communication pour vehicules a sustentation magnetique
DE102004015495A1 (de) 2004-03-26 2005-10-13 Thyssenkrupp Transrapid Gmbh Weichenanordnung für Magnetschwebebahnen und dafür geeignete Biegeträger

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Also Published As

Publication number Publication date
US7966942B2 (en) 2011-06-28
EP1977043B1 (fr) 2011-10-05
DE102006003680A1 (de) 2007-07-26
ATE527412T1 (de) 2011-10-15
US20080307997A1 (en) 2008-12-18
CN101008166B (zh) 2013-03-27
CN101008166A (zh) 2007-08-01
WO2007085222A1 (fr) 2007-08-02

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