Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
  • B61D3/00—Wagons or vans
  • B61D3/16—Wagons or vans adapted for carrying special loads
  • B61D3/18—Wagons or vans adapted for carrying special loads for vehicles
  • B61D3/182—Wagons or vans adapted for carrying special loads for vehicles specially adapted for heavy vehicles, e.g. public work vehicles, trucks, trailers
  • B61D3/184—Wagons or vans adapted for carrying special loads for vehicles specially adapted for heavy vehicles, e.g. public work vehicles, trucks, trailers the heavy vehicles being of the trailer or semi-trailer type
• • 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
  • B61F3/00—Types of bogies
  • B61F3/12—Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains
  • B61F3/125—Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains with more than one axle or wheel set
• • 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
  • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
  • B61F5/14—Side bearings

Definitions

• the present invention relates to an improved floating lateral support with anti-tilting means for two successive wagon structures articulated on the same railway bogie.
• French application No. 0202577 of February 28, 2002 relates to a floating lateral support for two successive wagon structures articulated on the same railway bogie by means of a common pivot articulation leaning on a crapaudine.
• lateral support is provided on either side of the central articulation of the two successive wagon structures resting on a common bogie.
• Each lateral support is located on one side between the ends of the two wagon structures and the suspension to the right of these ends or reading edge.
• the aim of this solution is also to reduce the clearances and the amplitudes of movement of the ends of the wagon structures in the case of opposing support forces, that is to say in the opposite direction. This solution brings important advantages.
• the imagined constitution works by moving friction plates one on the other in order to degrade the energy to benefit from a damping effect.
• the suspension of the reading desk works unevenly which makes it less effective and fatigue. In extreme cases, it can lead to deformation.
• the purpose of this improvement is to reduce and limit the initial tilting movement in order to make the work stand suspension work in good conditions and to ensure good uniform contact between the friction plates thus allowing to benefit from constant damping, the full effect exists from the start.
• Figure 1 is a perspective view showing a bogie and the end of a single wagon structure
• Figure 2 is a plan view showing a bogie on which the ends are mounted articulated opposites of two successive wagon structures;
• Figures 3 and 4 are perspective views of the connection between two ends of wagon structures at the lateral articulation support of the invention, the secondary connecting tab in the foreground being removed in Figure 3 to show the articulation support;
• Figures 5 and 6 are respectively transverse and longitudinal sections at one lateral support articulation corresponding to the position of the elements as shown on the left side of Figure 9.
• Figures 7 and 8 are sections respectively transverse and longitudinal at 1 lateral articulation support corresponding to the position of the elements as shown on the right part of Figure 9.
• Figure 9 is a cross-sectional view of the upper part of the bogie, this- ci being slightly tilted to the right of the figure;
• Figure 10 is an overall perspective view showing a bogie and the end of a single wagon structure in the case of the second variant of the means to which this improvement applies;
• Figures 11 and 12 are perspective views of the connection between two ends of wagon structures at a lateral articulation support, the secondary connecting tab in the foreground being removed in Figure 12 to show the support articulation;
• FIGS. 13 and 14 are respectively transverse and longitudinal sections at the level of the lateral articulation support corresponding to the position of the elements as shown on the left-hand part of FIG. 19.
• Figure 15 and 16 are sections respectively transverse and longitudinal at the lateral articulation support corresponding to the position of the elements as shown on the right-hand part of FIG. 19; .
• Figures 17 and 18 are respectively transverse and longitudinal sections at the lateral articulation support corresponding to the position of the elements as shown in the left part of Figure 19;
• Figure 19 is a cross-sectional view of the upper part of the bogie corresponding to the second variant of the means to which the present improvement is applied;
• Figure 20 is an overall perspective view showing two floating lateral supports comprising the improvement 1 according to the invention in the form of two torsion blades; .
• Figure 21 is an enlarged perspective view of the left lateral support of Figure 20. To fully understand the present improvement, it is necessary to know the floating lateral support on which it is applied.
• the present invention applies to two successive wagon structures 1 and 2 from left to right in FIG. 2, the opposite ends 3 and 4 of which are articulated on the same bogie 5 having two axles 6 and 7 and a chassis 8.
• This chassis 8 carries a plug 9 with a semi-spherical body 10 formed from two complementary articulation parts including a receiving spherical shell 11 and a sphere 12 fitted into this receiving shell (FIG. 9).
• the clamp 9 is connected to a common central pivot articulation 13 with lateral tilting movement constituting the main articulation by which the ends 3 and 4 are pivotally connected to one another.
• the basket 9 and the central articulation 13 form a composite articulation with three degrees of freedom allowing all the inclinations linked to the rolling movements and among them the rolling and pitching movements.
• the opposite ends 3 and 4 of the wagon structures are connected to each other on each side by a specific lateral connection with occasional discontinuity 14 and 15.
• these discontinuous lateral connections 14 and 15 are made up of the following means.
• a base 18 movable vertically is mounted on a suspension device with stops forming a suspension assembly 19 commonly called in technical language reading board.
• a support and support plate 20, in frictional contact with the upper face or the lining of the base 18, has a support 21 hinge carrier receiving a hinge 22 for example a hinge of the type with pivot axis 23.
• the ends 3 and 4 of the wagon structures 1 and 2 have, at each discontinuous lateral connection 14 and 15, extensions in the form of end tabs forming, at each discontinuous lateral connection, on one side, a junction with the rim , and on the other side a link to occasional open or closed discontinuity depending on whether the end of the corresponding end tab is in the raised position or in contact with support.
• These end lugs, present on each side are of two types: a fork end lug 24 for the end 3 and a double end lug 25 for the end 4 facing each other. of the main joint 13.
• the double end tab 25 is formed of two elements 26 and 26a, at least one of which, but preferably both, have a substantially horizontal underside disposed opposite the support and support plate 20.
• each lateral articulation support has the following components.
• the base 18 in the form of a plate is slidably mounted vertically by its central part 27, for example in cylindrical projection to come to guide sliding in a housing 28 for example cylindrical formed in a fixed support 29 integral with the chassis 8 of the bogie.
• the guidance is improved by a central stud 30 slidingly engaging in a central cavity 31.
• the base 18 is mounted on a suspension made up of at least two compression springs 32 and 33 on the end of which it rests by its end parts to form the suspension assembly 19.
• the springs 32 and 33 of the suspension are guided by internal parts 34 and 35 along which they move in a compression-relaxation movement corresponding to their suspension work.
• the support and support plate 20 mounted as a friction support on the upper face of the base 18 provided with a support and friction part 36.
• the support and support plate 20 can be produced according to different technological variants, for example in a composite structure formed of several superimposed plates, for example three as shown in the figures or any other constitution.
• the support and support plate 20 has on its upper face a friction-bearing zone 37 extending for example on either side and around the articulation support 21.
• This friction-bearing zone 37 is furnished around the articulation support 21 but at a distance therefrom, from a friction insert 38 in a single piece and in the form of a frame or in several pieces on which each of the corresponding flanges 39 and 40 which is fitted is fitted the underside of elements 26 and 26a of the double end tab 25 respectively.
• the frictional insert 38 in the frame is placed, for example, at a distance by its internal perimeter from the edges of the articulation support 21 and slightly recessed downward relative to the plane of the upper face of the support plate 20 and support. It embeds the friction-carrying zone 37 and is produced in the form of a solid plate or coated, in a material with a high coefficient of friction making it possible to degrade a significant part of the energy during the work of support and displacement in sliding-friction of the sole 39 or 40 of each underside of the elements 26 and 26a making up the tab double end 25 and one friction insert 38 of the friction-bearing zone 37 opposite.
• this support 21 articulation carrier is shaped as a vertical stirrup and is in the form of a mechanical block formed for example of two flank pieces assembled by a pin 41 to the support and support plate 20
• the support 21 comprises in its upper part a displacement housing 42 for the pivot axis 22.
• This housing 42 is formed by a lower transverse cylindrical cavity extending upwards by two open branches or coupled by a transverse connection of security.
• the pivot axis 22 of the articulation can move along this housing 42 between a high position and a low position and vice versa.
• On this pivot axis 22 are mounted the lateral ends of the fork dropout 24.
• the displacement housing 42 has for the displacement effect of the axis 22 a cross section of substantially oblong shape open upwards but preferably at outlet locked by the transverse safety link, for example by transverse bolts (not shown).
• the vertical mobility of the pivot axis 22 between a low position and a high position along its displacement housing 42 represents the vertical clearance used as freedom of movement together with the floating mounting of the support and support plate 20 and the latitude of movement existing between the end tab 25 and the support and support plate 20.
• This latitude of movement corresponds to the travel between the support and the raised position of the double tab 25 as will be described below. - after in the explanation of operation.
• the support 21 door articulation movable relative to the support and support plate 20 it is possible to produce the support 21 door articulation movable relative to the support and support plate 20 to obtain complete independence of movement between 1 • ne and 1 ′ other ends of the wagon structures.
• the support 21 articulation carrier thus passes through the support and support plate 20 to directly exert its pushing force on and against the friction part 36 of the suspension assembly 19 forming a reading stand.
• this support 21 can be slidably mounted in an obviously through hole in the center of the support and support plate 20 (not shown). A movement guided by grooves, grooves or other means would allow proper operation and a correct presentation of support for the base of this support 21.
• the movement of the axis 22 along its housing is no longer totally necessary because it is ensured by the displacement of its support 21.
• the articulation support is movable relative to the support and support plate 20, but acts indirectly on the reading desk and this through this plate 20. In this case, it is possible to provide an additional clearance between the articulation support and the plate 20 by an interval before contact.
• the floating lateral supports In taxiing, according to the movements coming from a wagon structure or from the other or from one side or the other of the same wagon structure, the floating lateral supports will work by moving in one direction or another by example from bottom to top or Conversely.
• the support and support plate 20 rips by sliding friction on the intermediate support and friction part 36.
• the pivot axis 22 is designed to rotate in its housing during pitch tilting.
• the double support leg 25 can be pushed downwards and it is then the two elements 26 and 26a of the double support leg 25 which collapse the suspension assembly 19 by pressing their lining plates 39 and 40 on the friction-bearing zone 37.
• the suspension assembly 19 descends with the support 21 articulation carrier, leaving the pivot axis 22 in its position in its housing 42 thanks to freedom of movement along this oblong section housing.
• these deflections are not necessarily simultaneous. They offer in all cases of normal use of wagon structures during taxiing, an idle stroke making it possible to avoid the transmission of movements at the other end, knowing that in addition, these are damped by the springs of suspension assembly 19.
• a support and support plate 20 in frictional contact with the upper face or the lining of the base 18 has a hinge support 43 receiving a special hinge 44 for pivoting about a horizontal axis and vertical translation.
• a multidirectional articulation for example of the ball-and-socket type or equivalent shape, may also be suitable although, apart from clearance clearance, only the vertical translational and pivoting movements about a horizontal axis passing through the articulation are concerned.
• the end tabs are almost identical in shape for one of them 45 with two branches 46 and 47 corresponding to the double tab 25, but different at its end for the other end tab, namely the central end tab 48 which is engaged on the articulation 44.
• the central end tab 48 ends with an end looking downwards and having a cavity forming a housing 49 for the articulation 44.
• the latter bears on the articulation support 43 produced in the form of a block 50, for example parallelepiped.
• a receiving element 51 for example rectilinear as visible in FIG. 12 cooperating with a stud 52 equipping the bottom of the housing 49 in order to constitute a safety assembly for the functioning of the articulation.
• This support articulation 43 produced in the form of the block 50 comprises on a part of its lateral surface a bearing lining 53 with a convex outer face.
• This bearing lining 53 is located during operation opposite a fur 54 attached to the lateral surface of the housing 49.
• This fur 54 has a flat outer face, which reduces the surface in contact with the outer face of the lining. bearing 53.
• the articulation support 43 is the support block 50 on the support and support plate 20.
• this articulation support integral with the plate 20 or mounted thereon may be otherwise connected or related to it.
• this articulation support can be mounted mobile relative to the plate 20.
• the mechanical means shown and used to form the articulation 44 carried by the articulation support 43 were chosen because of the small amplitudes of movement generated during operation.
• the double end tab 45 acts by sliding support in the same way as that of the first variant.
• the central end tab 48 directly transmits the movement which animates it to the articulation 44. This makes it possible to absorb the types of deviations and displacements generated whether they are vertical, or inclination around of a horizontal pivot axis and of damping them by friction on the friction lining (s) and obtaining the uncoupling which is the main object of the invention.
• the general inventive idea of the present improvement consists in providing an anti-tilting means, in particular a means of limiting tilting for the support and support plate 20 by which the floating support device is in contact with the rim.
• This means can be simple or double, in the form of a frame or a slide or two end supports or any other solution using conventional means or secondary functions, the combination of which leads to the same result d 'together.
• One of the means based on two torsion blades one end of each of which is fixed to one end of the support and support plate 20 and one of which the other end of each one is fixed on a plate forming part of the chassis of the railway bogie or of its crapaudine.
• the present improvement relates to a means limiting the initial tilting movement originating from the support of the fork end tab 24 via the pivot axis 23 and / or the support of the double end tab 25.
• the means consists of two similar stiffening elements fixed to the longitudinal ends of the support and support plate 20 playing the role of support structure on the base of the bookcase.
• a support integral with the basket we chose a support integral with the basket.
• torsion blades 55 and 56 constitute a twinning connection between each of the two ends of the support and support plate 20 of the same floating support. They constitute at the same time and each time an individual connection with torsional resistance at a neighboring fixed point on the common plate 61.
• twin torsion blades impose mechanical resistance to reduce or even cancel the tilting force transmitted by the pivot joint carried by the support and support plate.
• This connection also provides additional resistance and better stiffness to the elastic suspension, thus avoiding lateral movements which are sources of instability and deformation.
• the same torsion blade can be used for both ends of the support and support plate 20 of the same floating support. This common blade would then have an end shaped like a fork.
• the same blade is used to connect the two corresponding ends of the support and support plate 20 of the two homologous floating supports.
• a single blade brings together the two corresponding ends of the floating supports each time, this blade being fixed in its middle part to a support, for example the plate 61.
• the floating support device with the anti-tilting means according to the invention operates as follows.
• the torsion blades also having resistance to stresses, particularly longitudinal forces, increase the damping of movements and thus the degradation of energy is further improved.
• the anti-tilting means or means is produced in each case in the form of two torsion blades, preferably metallic with two independent branches 62 and 63 as shown in FIG. 10, but whose ends directed towards the joint common central 13 are fixed on the same support 64, for example integral with the basket.
• These blades constitute on each side an anti-tilting assembly whose profile shape is that of two U lying and joined by a common branch 65 and whose ends of the two other branches 66 and 67 are fixed on each side to the plate support and support

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Transportation (AREA)
• Vibration Prevention Devices (AREA)
• Vehicle Body Suspensions (AREA)
• Handcart (AREA)
• Braking Arrangements (AREA)
• Catching Or Destruction (AREA)
• Tents Or Canopies (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=28052119

Family Applications (1)

Country Status (9)

Families Citing this family (2)

Family Cites Families (11)

• 2002
  • 2002-04-04 FR FR0204221A patent/FR2838092B1/fr not_active Expired - Fee Related
• 2003
  • 2003-04-04 CN CNB038077167A patent/CN100434319C/zh not_active Expired - Fee Related
  • 2003-04-04 AT AT03740570T patent/ATE309936T1/de not_active IP Right Cessation
  • 2003-04-04 RU RU2004132212/11A patent/RU2309070C2/ru not_active IP Right Cessation
  • 2003-04-04 WO PCT/FR2003/001073 patent/WO2003084794A1/fr not_active Application Discontinuation
  • 2003-04-04 ES ES03740570T patent/ES2256761T3/es not_active Expired - Lifetime
  • 2003-04-04 AU AU2003260007A patent/AU2003260007A1/en not_active Abandoned
  • 2003-04-04 EP EP03740570A patent/EP1492691B1/de not_active Expired - Lifetime
  • 2003-04-04 DE DE60302343T patent/DE60302343T2/de not_active Expired - Lifetime

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events