EP3119658B1 - Châssis de bogie - Google Patents

Châssis de bogie Download PDF

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Publication number
EP3119658B1
EP3119658B1 EP15709627.2A EP15709627A EP3119658B1 EP 3119658 B1 EP3119658 B1 EP 3119658B1 EP 15709627 A EP15709627 A EP 15709627A EP 3119658 B1 EP3119658 B1 EP 3119658B1
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EP
European Patent Office
Prior art keywords
region
reduced thickness
bogie frame
frame according
connection
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EP15709627.2A
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German (de)
English (en)
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EP3119658A1 (fr
Inventor
Markus Hubmann
Radovan Seifried
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Siemens Mobility GmbH
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Siemens AG Oesterreich
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Publication of EP3119658A1 publication Critical patent/EP3119658A1/fr
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    • 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

Definitions

  • the invention relates to a bogie frame for a rail vehicle, comprising two designed as an open or closed hollow profile side rail and at least one cross member, wherein the hollow profile of the longitudinal member is formed by wall elements which have a certain thickness.
  • the invention is applicable both to bogie frame with internally mounted bogie, so where in the assembled state, the wheels of the rail vehicle are arranged outside of the longitudinal members, as well as on externally mounted bogies.
  • a high longitudinal and diagonal stiffness of the bogie frame for the wheelsets is operationally necessary. Due to the operational high stress and the necessary reliability of the bogie frame is manufactured with high material and manufacturing costs. This results in addition to high costs in technical terms, a high weight of the bogie frame.
  • the production of a weld seam counterpart on the side of the weld root is no longer possible due to lack of accessibility, and therefore the weld seam can not be loaded with the same forces as a counterstay.
  • the sheet thicknesses must be increased in order to make the welds in a row thicker and therefore stronger.
  • the side rail can be made with a lid, whereby it is possible to weld the welds inside.
  • a disadvantage of the method is a significantly increased production costs due to the longer welding time, increased manipulation effort and additionally required cover parts. In sum, the weight of the bogie frame and the manufacturing cost increase.
  • the document US-A-700992 shows a bogie frame for rail vehicles.
  • a bogie frame for a rail vehicle comprising two longitudinal members designed as open or closed hollow profile and at least one cross member, wherein the hollow profile of the longitudinal member is formed by wall elements having a certain thickness, which compared to the known bogie frame described above has less weight or means less manufacturing costs and thus lower manufacturing costs.
  • the invention provides that the longitudinal members in the region of the fastening of the at least one cross member each have a wall element with at least one region of reduced thickness.
  • the reduced thickness can be realized by the wall element has a cutout at said location.
  • a wall element only have a continuous region with reduced thickness. Or a wall element could also have several separate areas of reduced thickness.
  • the wall elements have a constant thickness, so that in the region of reduced thickness, the wall element has a reduced thickness in comparison with the rest of the wall element. It is conceivable that in the region of reduced thickness, the thickness is constant except for an edge region, the edge region having a bevel as a transition from the thickness of the remaining wall element to the thickness of the region of reduced thickness.
  • the thickness of the wall element in the region of reduced thickness is at most 90% of the thickness of the wall element outside the region of reduced thickness, preferably in the range of 10-90%, in particular in the range of 30-70%.
  • Area of attachment of the at least one cross member is understood to be the portion of the longitudinal member on which the cross member engages, as well as the part enclosed by it. However, it may also be understood that part of the longitudinal member immediately surrounding this section, that is, for example, the part of the longitudinal member which is closer to the cross member than the ends of the longitudinal member, the middle of the longitudinal member or another cross member.
  • the area of reduced thickness reduces deformation in the area of the weld seams and thus reduces stress in the welds. This means that the weight can be reduced and no lids are needed, whereby the manufacturing cost decreases.
  • the longitudinal members each have on a side facing the at least one cross member a wall formed as an internal web wall element having an inner side, on which inner side at least one region is provided with reduced thickness.
  • the thickness on the side of the inner web facing away from the cross member is reduced, which particularly reduces the deformation in the area of those welds which are closest to the region of reduced thickness.
  • the longitudinal members each have a wall element formed as an external web having an inner side which faces an inner web facing the at least one cross member and on which inner side at least one region of reduced thickness is arranged.
  • the deformation property of the side member changes, resulting in a reduction in deformation in the area of those welds closest to the reduced thickness portion.
  • the webs of the longitudinal member may be formed so that at least partially remains around the region of reduced thickness, an edge which comprises 10-30% of the height of the web.
  • the webs on the upper side, to the upper flange of the longitudinal member out have such an edge, and / or on the underside, the lower flange of the longitudinal member out, having such an edge. Then the welds between bridge would be and upper chord and / or between bridge and lower chord be relieved.
  • the longitudinal members comprise at least one connecting element, which serves as a connection for the at least one cross member and which has at least one wall element with a region of reduced thickness.
  • the connecting element is designed as a box section with two wall elements designed as connecting webs and a wall element connecting the two connecting webs and a wall element connecting the two connecting webs, designed as a bottom flange, the connecting webs and the top flange and the bottom flange being orthogonal to one another the at least one cross member facing side of the longitudinal member and in the operating position of the upper flange and the lower flange is arranged below.
  • box profile refers to a closed hollow profile, which comprises four wall elements, but none of the wall elements must be aligned parallel to another wall element and the wall elements may also have curvatures.
  • connecting webs As well as the upper flange and the lower flange at the surfaces forms planes which are parallel to the longitudinal axis of the cross member.
  • connecting webs are the side parts, under upper flange of the upper part and lower chord of the lower part of the box profile understood.
  • One embodiment of the bogie frame provides that the terminal land has at least one area of reduced thickness, which can reduce the workload in those welds that are closest to the area of reduced thickness.
  • An embodiment of the bogie frame provides that the connecting web comprises an edge of equal width around the at least one region of reduced thickness.
  • the region of reduced thickness is thus centrally in the respective wall element, which causes a uniform force distribution in the wall element. If the edge is narrow compared to the dimensions of the reduced thickness region, this will contribute more to the weight saving. For example, it can be provided that the edge 10 to 30%, in particular by 20%, the surface of the inside of the connecting webs comprises.
  • the at least one region of reduced thickness is provided on an outer side of the connecting web. Since the outside is easily accessible, this is a particularly simple, yet effective way.
  • the region with reduced thickness is usually produced on the individual part, that is to say on the individual wall element, in particular milled out (and then the individual parts are first welded together).
  • the region of reduced thickness is thereby produced on the same side as the weld bevel, whereby a re-clamping of the wall element between the production of the region of reduced thickness and the weld chamfers can be omitted.
  • the shape of the region of reduced thickness - as seen in the plane of the wall element - will also usually be substantially rectangular.
  • An embodiment of the bogie frame provides that the area of reduced thickness corresponds to 20-90%, in particular 40-80% of the surface of the outer side in the connection element.
  • An embodiment of the bogie frame provides that the upper flange of the connection element has at least one region with reduced thickness. This provides a reduction in the utilization of those welds in the upper area that are closest to the area of reduced thickness.
  • An embodiment thereof provides that the at least one region of reduced thickness is provided on an outer side of the upper belt of the connection element. Since the outside is easily accessible, this is a particularly simple, yet effective way. Again, the reduced thickness area is typically made on the same part of the single part as the weld land, thereby reloading the wall element between manufacturing the area with reduced thickness and the weld chamfers can be omitted.
  • the stability is further increased when the upper flange of the connecting element is flush with an upper flange of the longitudinal member, in particular in one piece with it.
  • an embodiment of the bogie frame provides that the lower flange of the connection element terminates flush with a lower flange of the longitudinal member, in particular in one piece with it, which likewise leads to an increase in stability.
  • An embodiment of the bogie frame provides that the at least one region of reduced thickness of the upper belt of the connection element comprises only one region laterally, in the viewing direction orthogonal to the upper flange, the longitudinal axis of the at least one cross member.
  • These special geometry is easy to implement and effectively reduces the workload in the welds that are closest to the area of reduced thickness.
  • the area may be located on the side of the axle facing the other cross member or on the other side. It is also possible that the region of reduced thickness runs over a large part of the width of the cross member, in particular symmetrically to the longitudinal axis of the cross member.
  • An embodiment of the bogie frame provides that the length of the region with reduced thickness on the inside of the inner web and / or the outer web of the longitudinal member corresponds to 0.5 to 2.5 times the diameter of the cross member.
  • the length of the region with reduced thickness can be in both cases but outside the 0.5 to 2.5 times the diameter of the cross member.
  • An embodiment of the bogie frame provides that at least one connecting plate between the cross member and the connecting element is arranged connecting them, which at least partially closes the connecting element and which has an opening in the connecting direction between the connecting element and cross member.
  • the stability is increased by means of this connection plate, on the other hand can be controlled by a change in the plate stiffness, for example by varying the aperture in size and shape or by milling, the utilization in the welds, in particular reduced.
  • a bogie frame which comprises two longitudinal members 1 and two cross members 3.
  • the cross member 3 represent a connection of the two side members 1, they are parallel to the transverse direction 4.
  • the side members 1 are in Fig. 1 aligned parallel to a direction of travel 2. In the middle area they are bent downwards ( Fig. 3 ).
  • the connecting element 12 comprises in this embodiment (shown in FIG Fig. 2 ) four flat, mutually orthogonal wall elements 7, which form a closed frame. They are welded together and each have a weld between two wall elements 7 on the outside.
  • the connecting element 12 may also be formed from more or fewer wall elements.
  • the Fig. 2 shows a sectional view along section line AA in Fig. 1 , which passes through the connecting element 12.
  • the connecting element 12 has two wall elements 7, which are formed as connecting webs 13, and one each Wall element 7, which is formed as upper flange 15 of the connecting element 12 and as a lower flange 17 of the connecting element 12.
  • both the two connecting webs 13 and the upper belt 15 have a region 6 with a reduced thickness.
  • the region 6 with reduced thickness of the connecting webs 13 comprises the entire outer side 14 of the connecting webs 13 except for an edge 21.
  • the transition from the edge 21, that is, the thickness 5 outside a region 6, to the thickness within the region 6 has the shape of a quarter-circle arc and is here milled with a ball cutter, for example with a radius of 10 mm.
  • the length and width of the region 6 with reduced thickness depends on the given space, it is usually advantageous if the edge to those welds or edges of the wall elements 7, which are to be relieved, is as narrow as possible. This applies to all areas 6 shown in the figures.
  • the remaining thickness of the wall element 7 in Fig. 2 or the connecting webs 13 and the upper flange 15 in the region 6 with reduced thickness is 6 mm
  • the thickness reduction of the original thickness 5 of the wall member 7 and the connecting webs 13 and the upper belt 15 is about 10 mm
  • the thickness of the wall element 7 in the reduced-thickness region 6 thus corresponds to approximately 38% of the original thickness 5 of the wall element 7 or the thickness outside the region 6.
  • the region 6 with reduced thickness on the outer side 20 of the upper flange 15 of the connecting element has only one area laterally, in the viewing direction orthogonal to the upper flange 15, the longitudinal axis of the at least one cross member 3, namely on that side facing the other cross member 3 is.
  • the area of the region 6 corresponds to approximately 20% of the outer surface of the upper belt 15.
  • the weld seam between the upper belt 15 and the connecting plate 22 is highly utilized in the region. With the reduction of the thickness of the Obergurts 15 this area is softened, the bending in the weld root is thereby reduced and the utilization of the weld falls off.
  • each connecting web 13 there is an edge 21 with the same width, so that the region 6 with a reduced thickness corresponds to approximately 80% of the surface of the outside 14.
  • An edge 21 is also located on the underside of the connecting web 13 to the lower flange 17, so that the weld between connecting web 13 and lower flange 17 is relieved.
  • connection element 12 arranged connection plate 22 has a breakthrough 23 ( Fig. 2 ).
  • This breakthrough is in the in Fig. 2 formed embodiment variant round, since the cross member 3 has a round cross-section (circular hollow profile, see dashed line in FIG Fig. 1 ).
  • the breakthrough takes on any other shape, conceivable are also forms which on the side of the longitudinal member 1 have a different shape or size than on the side of the cross member 3, for an optimum transition of the side member 1 on the cross member 3 to ensure.
  • the connecting webs 13 form a box profile with the upper flange 15 and the lower flange 17. This is formed in this example in that the two connecting webs 13 and the upper flange 15 and the lower flange 17 parallel to each other are arranged, wherein the connecting elements 13 in the operating position vertically and the upper flange 15 and the lower flange 17 are arranged horizontally.
  • Each connecting land 13 is arranged orthogonal to both the upper belt 15 and the lower belt 17.
  • the box section may also be formed of wall elements which are not parallel to each other.
  • Fig. 5 is the section through an alternative embodiment of the connecting element 12 according to section line AA in Fig. 1 displayed.
  • the two flat connecting webs 13 are, in contrast to the embodiment of Fig. 2 , not parallel to each other, a connecting web 13 is normal to both upper flange 15 and lower flange 17, the other connecting web 13 is not normal to either.
  • the - here level - lower flange 17 may be arranged horizontally in the plane of the bogie frame ( Fig. 2 ) or with an inclination which corresponds to the course of the cranking of the longitudinal member 1 at the location of the connecting element 12 ( Fig. 5 ), the upper flange 15 in Fig. 5 follows the course of the cranking of the longitudinal member 1 and the course of the upper belt 16 of the longitudinal member 1.
  • the upper belt 15 having a curvature is arranged in sections parallel to the lower belt 17.
  • Only the left connection web 13 and the top flange 15 in Fig. 5 each have a region 6 with reduced wall thickness.
  • the region 6 on the left connecting web 13 remain about 40% of the original wall thickness of the connecting web 13, the area 6 occupies a large part of the height of the connecting web 13 a.
  • the edge 21 around the region 6 is only about as high as the weld seam land 24.
  • the region 6 on the upper flange 15 is provided on the outside near the left connecting web 13 and likewise has approximately 40% of the original wall thickness of the remaining upper belt 15.
  • the depth of area 6 (measured normal to the drawing plane) could be be equal to the width, so that there is a substantially square shape of the region 6 on the top flange 15 and a rim 21 (with a similar width as the connecting web 13) and the inner web 8 of the longitudinal member 1 remains.
  • connection element 13 Since the region 6 of the left connection element 13 extends close to the upper side of the connection element 13, this relieves the load between the connection element 13 and the upper flange 15, which is defined by the weld seam 24. Similarly, by reaching the area 6 of the upper belt 15 close to the top of the connecting element 13, a relief of this weld is achieved.
  • Both connecting webs 13 and / or the lower flange 17 have one or more areas 6 with reduced wall thickness.
  • the longitudinal members 1 are designed as open or closed hollow profile and constructed of wall elements 7 ( Fig. 1 . 3.4 ).
  • a wall element 7 of each longitudinal member 1 forms an inner web 8 and an outer web 9.
  • the inner web 8 has an inner side 10 and the outer web 9 has an inner side 11. Both the inner side 10 and the inner side 11 have a region 6 with a reduced thickness (FIG. Fig. 3, 4 ).
  • the region 6 with a reduced thickness of both the inner side 10 of the inner web 8 and the inner side 11 of the outer web 9 is elongated and extends in the longitudinal direction of the longitudinal member 1. It follows the course of the crank. It has the same distance to both the upper belt 16 and the lower belt 18.
  • the boundary of the region 6 in the longitudinal direction runs parallel to Obergurt 16 and lower chord 18 and in the transverse direction normal to the upper chord 16 and the lower chord 18. The course of the region 6 in the transverse direction but must not be normal to upper or lower chord 16, 18.
  • the regions 6 with a reduced thickness of the inner side 10 of the inner web 8 and the inner side 11 of the outer web 9 are designed congruent to one another.
  • the length of the regions 6 - measured along the longitudinal members 1 - are usually 0.5 to 2.5 times the diameter of the cross member 3.
  • the region 6 is about 290 mm long, the diameter of the tube of the Cross member 3 is about 190 mm.
  • the length of the region 6 in this example is about 1.5 times the diameter of the cross member 3.
  • the ratio of length of the region 6 to the diameter of the cross member 3 can also be greater or less than 0.5 to 2.5 be-fold.
  • Fig. 4 are shown on the longitudinal member 1 six welds, by means of which both the upper flange 16, and the lower flange 18 are fixed to the inner web 8 and the outer web 9.
  • the upper flange 16 is fastened in each case with an outer weld on the inner web 8 and the outer web 9
  • the lower flange 18 is fastened in each case with both an inner and an outer weld to the inner web 8 and the outer web 9.
  • the region 6 with a reduced thickness of the webs 8, 9 these have an edge 21, the 10 to 30%, here about 20%, the height (in Fig. 4 extending in the vertical direction) of the inside of the webs 8, 9 comprises.
  • An edge 21 is located between region 6 and the top of the web 8, 9, the upper flange 16 of the longitudinal member 1, an edge 21 is located on the underside of the web 8, 9, the lower flange 18 of the longitudinal member 1 out.
  • about 60% of the height of the web 8, 9 remain for the region 6 with reduced thickness. Since in each case the welds between the upper side of the web 8, 9 and the upper flange 16 and between the underside of the web 8, 9 and the lower flange 18 are in the immediate vicinity of the region 6, they are relieved by the region 6.
  • the webs 8, 9 have in this example a thickness 5 of 14 mm, in the areas 6 of reduced thickness, this thickness is reduced to 7 mm, so that the thickness of the webs 8, 9 in the region 6 with reduced thickness 50% of the thickness the webs 8, 9 is outside the region 6 with reduced thickness.
  • the thickness ratio for the webs 8, 9 differ from longitudinal beams 1 in other embodiments of 50%, preferably in the range of 30-70%.

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

Claims (16)

  1. Châssis de bogie destiné à un véhicule ferroviaire, comprenant deux longerons (1) réalisés sous forme de profilé creux ouvert ou fermé et au moins une traverse (3), dans lequel le profilé creux du longeron est formé d'éléments de paroi (7) qui présentent une épaisseur (5) définie, dans lequel les longerons (1) présentent, dans le secteur du montage de la au moins une traverse (3), respectivement un élément de paroi (7) muni d'au moins un secteur (6) à épaisseur réduite, et dans lequel les longerons (1) comprennent respectivement au moins un élément de raccordement (12) qui sert de raccord pour la au moins une traverse (3) et qui présente le au moins un élément de paroi (7) muni du secteur (6) à épaisseur réduite,
    caractérisé en ce que
    l'élément de raccordement (2) est réalisé sous forme de profilé carré muni de deux éléments de paroi (7) réalisés sous forme d'entretoises de raccordement (13) ainsi que d'un élément de paroi (7) réalisé sous forme de membrure supérieure (15) et reliant les deux entretoises de raccordement (13), et d'un élément de paroi (7) réalisé sous forme de membrure inférieure (17) et reliant également les deux entretoises de raccordement (13), dans lequel les entretoises de raccordement (13) ainsi que la membrure supérieure (15) et la membrure inférieure (17) 'entendent de manière orthogonale sur un côté, tourné vers la au moins une traverse (3), du longeron (1) et, en position de fonctionnement, la membrure supérieure (15) se trouve en haut et la membrure inférieure (17) se trouve en bas.
  2. Châssis de bogie selon la revendication 1, caractérisé en ce que l'épaisseur de l'élément de paroi dans le secteur à épaisseur réduite est au plus de 90 % de l'épaisseur de l'élément de paroi au-dessus du secteur à épaisseur réduite, et se situe de manière préférée dans la plage comprise entre 10 et 90 %, en particulier dans la plage comprise entre 30 et 70 %.
  3. Châssis de bogie selon la revendication 1 ou 2, caractérisé en ce que le longeron (1) présente respectivement, sur un côté tourné vers la au moins une traverse (3), un élément de paroi (7) muni d'un côté intérieur (10) et réalisé sous la forme d'une entretoise (8) située à l'intérieur, au moins un secteur (6) à épaisseur réduite étant prévu sur ledit côté intérieur (10) .
  4. Châssis de bogie selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le longeron (1) présente respectivement un élément de paroi (7) muni d'un côté intérieur (11) et réalisé sous la forme d'une entretoise (9) située à l'extérieur, ledit élément faisant face à une entretoise (8) située à l'intérieur et tournée vers la au moins une traverse (3), et au moins un secteur (6) à épaisseur réduite étant agencé au niveau dudit côté intérieur (11).
  5. Châssis de bogie selon la revendication 3 ou 4, caractérisé en ce qu'il reste au moins partiellement un bord (21) autour du secteur (6) à épaisseur réduite, ledit bord représentant 10 à 30 % de la hauteur de l'entretoise (8, 9).
  6. Châssis de bogie selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'entretoise de raccordement (13) présente au moins un secteur (6) à épaisseur réduite.
  7. Châssis de bogie selon la revendication 6, caractérisé en ce que l'entretoise de raccordement (13) comporte un bord (21) de même largeur autour du au moins un secteur (6) à épaisseur réduite.
  8. Châssis de bogie selon la revendication 6 ou 7, caractérisé en ce que le au moins un secteur (6) à épaisseur réduite est prévu sur un côté extérieur (14) de l'entretoise de raccordement (13).
  9. Châssis de bogie selon l'une quelconque des revendications 6 à 8, caractérisé en ce que le secteur (6) à épaisseur réduite représente entre 20 et 90 %, en particulier entre 40 et 80 % de la surface du côté extérieur (14).
  10. Châssis de bogie selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la membrure supérieure (15) présente au moins un secteur (6) à épaisseur réduite.
  11. Châssis de bogie selon la revendication 10, caractérisé en ce que le au moins un secteur (6) à épaisseur réduite est prévu sur un côté extérieur (20) de la membrure supérieure (15) de l'élément de raccordement (12).
  12. Châssis de bogie selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la membrure supérieure (15) de l'élément de raccordement (12) se termine de manière plane par une membrure supérieure (16) du longeron (1), en particulier est réalisée d'un seul tenant avec celle-ci.
  13. Châssis de bogie selon l'une quelconque des revendications 1 à 12, caractérisé en ce que la membrure inférieure (17) de l'élément de raccordement (12) se termine de manière plane par une membrure inférieure (18) du longeron (1), en particulier est réalisée d'un seul tenant avec celle-ci.
  14. Châssis de bogie selon l'une quelconque des revendications 10 à 13, caractérisé en ce que le au moins un secteur (6) à épaisseur réduite de la membrure supérieure (15) de l'élément de raccordement (12) comprend seulement un secteur sur le côté, en vue orthogonale sur la membrure supérieure (15), de l'axe longitudinal (19) de la au moins une traverse (3).
  15. Châssis de bogie selon la revendication 3 ou 4, caractérisé en ce que la longueur du secteur (6) à épaisseur réduite au niveau du côté intérieur (12, 11) représente entre 0,5 et 2,5 fois le diamètre de la traverse (3).
  16. Châssis de bogie selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'au moins une plaque de raccordement (22) est agencée entre la traverse (3) et l'élément de raccordement (12) de manière à les relier, ladite plaque fermant au moins partiellement l'élément de raccordement (12) et présentant un percement (23) dans le sens de la liaison entre l'élément de raccordement (12) et la traverse (3).
EP15709627.2A 2014-03-19 2015-02-25 Châssis de bogie Active EP3119658B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50194/2014A AT515583A1 (de) 2014-03-19 2014-03-19 Drehgestellrahmen
PCT/EP2015/053950 WO2015139926A1 (fr) 2014-03-19 2015-02-25 Châssis de bogie

Publications (2)

Publication Number Publication Date
EP3119658A1 EP3119658A1 (fr) 2017-01-25
EP3119658B1 true EP3119658B1 (fr) 2018-09-26

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EP15709627.2A Active EP3119658B1 (fr) 2014-03-19 2015-02-25 Châssis de bogie

Country Status (5)

Country Link
US (1) US10207721B2 (fr)
EP (1) EP3119658B1 (fr)
CN (1) CN106103234B (fr)
AT (1) AT515583A1 (fr)
WO (1) WO2015139926A1 (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
US10011287B2 (en) * 2015-02-05 2018-07-03 Crrc Qingdao Sifang Co., Ltd. Bogie for high-speed railway vehicle
CN108316069A (zh) * 2018-04-02 2018-07-24 北京中建空列集团有限公司 悬挂式空中轨道梁及其加工方法
BR112021000655A2 (pt) 2018-07-16 2021-04-13 Amsted Rail Company, Inc. Viga em i, método para formar uma viga em i, e, conjunto de truque
WO2024092906A1 (fr) * 2022-11-02 2024-05-10 中车长春轨道客车股份有限公司 Train ferroviaire, bogie et châssis

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BE635192A (fr) * 1962-08-31
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Also Published As

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WO2015139926A1 (fr) 2015-09-24
US20170096150A1 (en) 2017-04-06
CN106103234B (zh) 2020-03-06
AT515583A1 (de) 2015-10-15
CN106103234A (zh) 2016-11-09
US10207721B2 (en) 2019-02-19
EP3119658A1 (fr) 2017-01-25

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