EP1977043B1 - 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 Download PDF

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Publication number
EP1977043B1
EP1977043B1 EP07711139A EP07711139A EP1977043B1 EP 1977043 B1 EP1977043 B1 EP 1977043B1 EP 07711139 A EP07711139 A EP 07711139A EP 07711139 A EP07711139 A EP 07711139A EP 1977043 B1 EP1977043 B1 EP 1977043B1
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EP
European Patent Office
Prior art keywords
bending beam
bending
beam according
load
longitudinal direction
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Active
Application number
EP07711139A
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German (de)
English (en)
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EP1977043A1 (fr
Inventor
Qinghua Zheng
Friedrich LÖSER
Xiufei Liu
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ThyssenKrupp Transrapid GmbH
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ThyssenKrupp Transrapid GmbH
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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

  • 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 are used because of the opposite classic rail vehicles other tracking instead of the usual switches, which have movable tongues and frogs, mostly so-called. 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 mounted on a plurality of supports such that it by means of hydraulic, mechanical or electrical.
  • Actuators elastically bent and thereby selectively can be aligned to one of several, branching off the turnout routes.
  • Known bending beam of the type described ( DE 34 20 260 A1 . DE 37 09 619 C2 . DE 202 08 421 U1 and DE 10 2004 015 495 A1 disclose bending beams with the features of the preamble of claim 1) are composed for this purpose consistently from upper straps, lower straps and these connecting side panels to a stable box body 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 required to ensure a high vibration resistance around the x-axis and in the z-direction.
  • Fig. 1 to 4 contains a conventional switch arrangement 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 support element 2 is according to 3 and 4 formed from a top flange 3, a bottom flange 4 and two web plates or side parts 5 connecting these, which in the installed state are arranged essentially 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 or 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 under formation of the Fig. 1 to 4 apparent bending beam 1, preferably inextricably linked together by welding.
  • Fig. 2 results in the bending beam 1 for setting the switch assembly of a continuous infrastructure section A on a branching infrastructure section B continuously to a maximum of z. B. bent about 3.65 m.
  • z. B each one in the range of each support 17 to 21 attached to the underside of the bending beam 1 frame, which is mounted on rails with the help of wheels mounted on the respective supports 17 to 21 and arranged in the y-direction Fig.
  • Apparent 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 in long sections, which are separated by "narrow slots in the installed state from each other so that they automatically arrange along a traverse in bending the support member 2. Also, the cover plate 11 is expediently extending parallel to the y-axis Slots provided 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 constructed 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 high strength of the bending beam 24 against torsions about the x-axis or Vibrations in the direction of the z-axis.
  • the structure of the bending beam 24 is erfingdungshiel 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 of a bending beam 24 with good flexibility in placing a switch in the sense of Fig. 2 be put.
  • both support elements 25, 26 are rectangular, with the long sides of the rectangle parallel to Y direction and the short sides of the rectangle are arranged parallel to the z-direction.
  • Both support elements 25, 26 lie above one another, 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 portion 29 which has an upwardly open recess 30 for the upper support member 25 on an upper side and a downwardly open recess 31 for the lower support member 26 on an underside, both recesses 30, 31 preferably one of the outer contour of associated support members 25, 26 adapted inner contour 32, 33 have.
  • first attachment portions 29 through in 6 and 7 dashed lines indicated 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 according to FIGS. 7 and 8 provided with two outer or second .. Fixing sections 35, 36.
  • the middle attachment portion 29 is preferably in a first mounting plane 37
  • the two outer attachment portions 35, 36 are arranged symmetrically to both sides of the median plane 28 and lie in a second mounting plane 38, as in Fig. 8 is indicated schematically.
  • the mounting planes 37, 38 are arranged at preselected distances and preferably parallel to each other and parallel to the yz plane. Inwardly to the second fastening portions 35, 36 through second, in Fig. 7 indicated by dashed lines bending or crease lines 39, which are preferably parallel to the first bending lines 34.
  • the edges of the outer fastening portions 35, 36 extending along the bending lines 39 and the outer edges of the central fastening portion 29 extending along the bending lines 34 are interconnected by connecting portions 40, 41.
  • These 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 so that successive support plates (eg 27a and 27b in FIG Fig. 5 ) are each arranged in a rotated by 180 ° about the z-axis 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 on the support elements 25, 26 in the x-direction against each other so that the middle mounting portions 29 of the support plates 27 a, 27 b shown as an example to each other. Therefore, in the longitudinal direction in each case directly on the support plates 27a, 27b following support plates (eg., 27c and 27d in Fig.
  • the outer fixing portions 35a and 36a of a support plate 27a whose center portion 29 abuts the middle portion 29 of a longitudinally immediately following support plate 27b, abut on the outer fixing portions 36c and 35c, respectively, of a longitudinally immediately preceding support plate 27c and vice versa.
  • the support plates 27 form one in the mounted state Fig. 5 clear, honeycomb-like structure.
  • fastening portions 29 and 35, 36 are connected by riveting, welding or otherwise firmly together. According to a particularly preferred embodiment of the invention, this connection is effected by means of screws 42 and nuts 43 wound on them, in particular Fig. 5 shows. As a result, harmful vibrations in all directions can be further reduced.
  • the attachment portions 35 and 36 are corresponding thereto Fig. 7 provided with an appropriate number of screw holes 44.
  • the attachment of the support plates 27 to the support members 25, 26 is preferably carried out with the aid of screws 42 and nuts 43.
  • the support members 25 and 26, as in Fig. 9 to 11 is shown for the support member 25, at intervals corresponding to the longitudinally resulting distances of the central mounting portions 29 in the assembled state, with U-shaped circumferential mounting flanges 45 (FIGS. FIGS. 9 and 10 ), which project radially outwards from the outer walls of the support elements 25, 26 and have screw holes 46 for the fastening screws 42.
  • the fastening portions 29 are provided with U-shaped, the recesses 30, 31 surrounding, further screw holes 47 having edge zones 48 ( Fig. 7 ).
  • the support plates 27 take the particular from Fig. 5 apparent positions relative to each other 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 influences bends of the support elements 25, 26 parallel to the y-direction in the sense of Fig. 2 not or only slightly. In contrast to torsions about the x-axis and vibrations 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 in accordance with the desired bending with actuators low power Fig. 2 is appropriate.
  • the shapes and dimensions of the support plates 27 can be optimized within the chain with respect to the avoidance of disturbing vibrations, in particular by the diagonally or diagonally extending connecting portions 40, 41 are dimensioned accordingly.
  • the design of the bending beam 24 overall, therefore, completely new, with the design arise 3 and 4 not realizable. Possibilities to increase the accuracy of the guideway, taking into account the static and dynamic loads caused by the vehicle traveling vehicles. It is also advantageous that the flexural rigidity 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 significantly increases the life of the bending beam 24 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 elements 25, 26 is largely free and accessible, so that necessary inspections are easy to carry out.
  • 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 beams 24 are formed analogous to the bending beams 1, ie according to Fig. 5 and 6 additionally equipped with the equipment parts 10, 12 and 14, although in Fig. 5 the upper cover plate 11 has been omitted in order to release the view of the support plates 27.
  • 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 ( Fig. 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 fastening sections 29 and 35, 36 are preferably flat and are provided with positioning means in the form of positioning holes 51 (FIG. Fig. 7 ), in which provided on the respective associated attachment portion positioning pins are used.
  • Corresponding positioning means on the mounting flanges 45 and the edge zones 48 can determine the position of the support plates 27 relative to the support elements 25, 26. This results in the additional advantage that the support elements 25, 26 and the support plates 27 transported in the disassembled state and independently of each other to the site and can be assembled at this in a simple manner without additional adjustments.
  • Correspondingly simplified is also a possible repair of the bending beam 24th
  • the support elements 25, 26 aus_yakeren put together in the longitudinal direction connectable parts, which at their adjacent to the joints ends additional, preferably provided with further positioning means and circumferentially circumferential mounting flanges 52 (Fig. Fig. 5 ) exhibit.
  • Such a mounting flange 52 is in Fig. 11 exemplified for the support member 25 individually.
  • support elements 25, 26 it is clear that these are only based on a currently considered best in Fig. 5 to 11 illustrated embodiment have been described. In fact, in the context of the present invention, it is not only possible to give the support elements 25, 26 other cross-sectional shapes but, instead of two support elements 25, 26, only a single support element in the sense of Fig. 3 provided. 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.

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  • 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)

Claims (15)

  1. Poutre flexible en acier pour dispositif d'aiguillage sur chemins de fer suspendus magnétiques, comportant au moins un élément porteur (25, 26) s'étendant dans un sens longitudinal (x) et sur lequel est fixée dans le sens longitudinal une pluralité de tôles supports (27) disposées successivement, s'étendant des deux côtés de l'élément porteur (25, 26) et destinées au montage de pièces d'équipement (10, 12, 14) et qui se présentent sous forme de composantes monoblocs s'étendant sur la largeur de la poutre flexible (1), caractérisée en ce que les tôles supports (27) sont reliées entre elles dans le sens longitudinal (x) en une chaîne qui, aux fins de la flexion souhaitée de l'élément porteur (25, 26), présente une faible résistance à la flexion mais perpendiculairement à cela une forte résistance à la flexion et une forte résistance à la torsion.
  2. Poutre flexible selon la revendication 1, caractérisée en ce que l'élément porteur (25, 26) est dimensionné en fonction d'une aptitude à la flexion prédéfinie tandis que les tôles supports (27) forment une chaîne ayant une résistance à l'oscillation et une résistance à la torsion prédéfinies.
  3. Poutre flexible selon la revendication 1 ou 2, caractérisée en ce que les tôles supports (27) présentent des sections de fixation médianes (29) pourvues d'évidements (30, 31) destinés à recevoir au moins partiellement l'élément porteur (25, 26).
  4. Poutre flexible selon la revendication 3, caractérisée en ce que les tôles supports (27) présentent chacune une section de fixation médiane (29), deux sections de fixation extérieures (35, 36) et deux sections de liaison (40, 41) s'étendant obliquement par rapport au sens longitudinal (x) et qui relient entre elles les sections de fixation médianes et extérieures (29 ; 35, 36).
  5. Poutre flexible selon la revendication 4, caractérisée en ce que les sections de liaison (40, 41) des tôles support (27) se succédant dans le sens longitudinal (x) sont disposées obliquement en sens inverse en alternance et que, dans le cas d'une tôle support (par exemple 27a) dont la section de fixation médiane (29) est reliée à la section de fixation médiane (29) d'une tôle support (par exemple 27b) suivante dans le sens longitudinal (x), les sections de fixation extérieures (par exemple 35a, 36a) sont reliées fixement aux sections de fixation extérieures correspondantes (par exemple 36c, 35c) d'une tôle support (par exemple 27c) précédente dans le sens longitudinal (x).
  6. Poutre flexible selon une des revendications 3 à 5, caractérisée en ce que l'élément porteur (25, 26) est pourvu de flasques de montage (45) espacés dans le sens longitudinal et dépassant vers l'extérieur auxquels sont fixés les sections de fixation médianes (29) des tôles supports (27).
  7. Poutre flexible selon une des revendications 1 à 6, caractérisée en ce que l'élément porteur (25, 26) a une conformation creuse continue.
  8. Poutre flexible selon une des revendications 3 à 7, caractérisée en ce que, dans chaque tôle support (27), la section de fixation médiane (29) se trouve dans un premier plan de montage (37) et que les sections de fixation extérieures (35, 36) sont disposées dans un second plan de montage (38) parallèle au premier plan de montage (37) mais espacé de celui-ci.
  9. Poutre flexible selon une des revendications 1 à 8, caractérisée en ce que les éléments de liaison (40, 41) ont une conformation sensiblement plane et sont reliés en suivant des lignes de flexion ou de pliage (34, 39) aux sections de fixation (29 ; 35, 36).
  10. Poutre flexible selon une des revendications 1 à 9, caractérisée en ce qu'elle présente deux éléments porteurs (25, 26) en forme de caissons continus dans le sens longitudinal (x) et disposés parallèlement l'un à l'autre et que les tôles supports (27) sont pourvues chacune d'un évidement (30, 31) supérieur et inférieur destiné à recevoir du moins partiellement un des éléments porteurs (25, 26).
  11. Poutre flexible selon une des revendications 3 à 10, caractérisée en ce que les sections de fixation médianes (29) sont reliées aussi bien à l'élément porteur (25, 26) qu'entre elles par des vis (42).
  12. Poutre flexible selon une des revendications 1 à 11, caractérisée en ce que les sections de fixation extérieures (35, 36) sont reliées entre elles par des vis (42).
  13. Poutre flexible selon la revendication 11 ou 12, caractérisée en ce que les sections de fixation médianes et extérieures (29 ; 35, 36) sont pourvues de moyens de positionnement (51).
  14. Poutre flexible selon une des revendications 1 à 13, caractérisée en ce que l'élément porteur (25, 26) consiste en une pluralité de pièces disposées successivement dans le sens longitudinal (x), qui présentent des flasques de montage (52) destinées à leur liaison réciproque par des vis de fixation.
  15. Dispositif d'aiguillage pour chemins de fer suspendus magnétiques, caractérisé en ce qu'il présente une poutre flexible (24) selon au moins une des revendications 1 à 14.
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 EP1977043A1 (fr) 2008-10-08
EP1977043B1 true EP1977043B1 (fr) 2011-10-05

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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)

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DE102006054818A1 (de) * 2006-11-21 2008-05-29 Prof. Feix Research & Development Gmbh & Co. Kg Trägerelement, Lageranordnung und Einstellanordnung für eine Biegeweichenanordnung
WO2017083499A1 (fr) * 2015-11-10 2017-05-18 Skytran Inc. Voie segmentée pour véhicule à sustentation magnétique
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
CN115305748B (zh) * 2022-07-20 2024-09-20 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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JPS5539577A (en) * 1978-09-14 1980-03-19 Tokyo Shibaura Electric Co Flexibleejoint switch for track of normally electroconductive magnetically buoyeddup vehicle
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DE20208421U1 (de) * 2002-05-28 2003-10-09 ThyssenKrupp Technologies AG, 45128 Essen Biegeträger aus Stahl für eine Spurwechseleinrichtung bei Fahrwegen von Magnetschwebefahrzeugen
AU2003249841A1 (en) * 2002-05-28 2003-12-19 Thyssenkrupp Technologies Ag Driveway for magnetically levitated vehicles
DE102004015495A1 (de) * 2004-03-26 2005-10-13 Thyssenkrupp Transrapid Gmbh Weichenanordnung für Magnetschwebebahnen und dafür geeignete Biegeträger

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Publication number Publication date
EP1977043A1 (fr) 2008-10-08
WO2007085222A1 (fr) 2007-08-02
ATE527412T1 (de) 2011-10-15
CN101008166A (zh) 2007-08-01
US7966942B2 (en) 2011-06-28
DE102006003680A1 (de) 2007-07-26
US20080307997A1 (en) 2008-12-18
CN101008166B (zh) 2013-03-27

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