Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
  • B61G5/00—Couplings for special purposes not otherwise provided for
  • B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
  • B61D3/00—Wagons or vans
  • B61D3/10—Articulated vehicles

Definitions

• TITLE Articulated vehicle articulation device, corresponding vehicle and adjustment method
• the present invention relates to an articulation device for an articulated vehicle, in particular a rail vehicle, of the type comprising:
• an articulation joint comprising a first articulation member comprising a single first section, the articulation joint comprising a second articulation member comprising a single second section; the first section defining a first longitudinal axis, the second section defining a second longitudinal axis, the first section and the second section being movable in rotation with respect to each other about a first transverse axis extending transversely by relative to the first longitudinal axis and to the second longitudinal axis, the first flange being connected to the first articulation member and the second flange being connected to the second articulation member.
• the invention applies to articulation devices between two cars of an articulated vehicle.
• Articulated vehicles require several connections between each of the cars forming the vehicle in order to ensure the stability and safety of the vehicle when moving.
• joints are arranged in the inter-car space, in particular at the bottom of the body and at the top of the body.
• adjustable articulation joints comprising several sections.
• the prior art includes articulation devices comprising a flange secured to a first car and two flanges secured to a second car, each of the flanges being linked to a section of the articulation joint.
• the sections linked to the flanges attached to the second car are adjustable in length, which makes it possible to adjust the configuration of the entire articulation joint as well as the relative position of the cars in a longitudinal and lateral direction.
• An object of the invention is to provide an articulated vehicle articulation device whose adjustment is facilitated.
• the invention relates to an articulation device of the aforementioned type, characterized in that the second articulation member comprises a single connecting member through which the second section is connected to the second flange, the connecting member being adapted to adjust the position of the second section relative to the second flange along the second longitudinal axis and along a second transverse axis extending perpendicularly to the second longitudinal axis and to the first transverse axis.
• the articulated vehicle articulation device has one or more of the following characteristics, taken in isolation or in any technically possible combination:
• the connecting member defines in an adjustable manner the position of the second section relative to the second flange along the second longitudinal axis independently of the adjustment of the second section relative to the second flange along the second transverse axis;
• the first articulation member comprises:
• first adjustable stopper and the first clamping member being adapted to fix the first section with respect to the first flange;
• the second articulation member comprises:
• the connecting member is rotatable relative to the second section around the second longitudinal axis
• the second flange defines a third longitudinal axis parallel to the second longitudinal axis and offset from the second longitudinal axis
• the connecting member being rotatable relative to the second flange along the third longitudinal axis
• the device comprises at least one fixing member adapted to fix the connecting member relative to the second flange
• the first section is preferably being movable relative to the second section according to the vertical axis over a range between -20mm and + 20mm
• the connecting member is movable in translation along the second transverse axis relative to the second flange
• the articulation device comprises at least one fixing member adapted to fix the connecting member relative to the second flange.
• the invention further relates to an articulated vehicle comprising
• a second car in which the vehicle comprises an articulated vehicle articulation as defined above, the first flange being secured to the first car and the second flange being secured to the second car.
• the invention also relates to a method of adjusting an articulated vehicle joint comprising the following steps:
• the process according to the invention may include one or the other of the following series of steps:
• Figure 1 is a schematic perspective representation of an articulated vehicle according to the invention.
• Figure 2 is a schematic perspective representation of a first embodiment of an articulated vehicle joint according to the invention.
• Figure 3 is a schematic exploded perspective representation of the first embodiment of the articulated vehicle joint according to the invention.
• FIG 4 Figure 4 is a schematic perspective representation of a second embodiment of the articulated vehicle articulation according to the invention.
• Figure 5 is a schematic perspective representation of a detail of the second embodiment of the articulated vehicle joint according to the invention.
• the direction of elevation Z is defined according to the height of the vehicle and corresponds for example to the vertical direction when the vehicle is on a horizontal track.
• the longitudinal direction X corresponds to the front-rear direction of the vehicle and the transverse direction Y corresponds to the direction along the width of the vehicle.
• An articulated vehicle 1 provided with an articulation device 2 is partially illustrated in Figure 1.
• the articulated vehicle 1 is for example a self-propelled vehicle.
• the articulated vehicle 1 comprises a first car 4 and at least a second car 6, adjacent and connected to the first car 4 by the articulation device 2.
• the first car 4 comprises a first transverse wall d 'end 8 and the second car 6 comprises a second transverse end wall 10. Together, the first wall 8 and the second wall 10 define between them an inter-car space 12.
• the articulated vehicle 1 also comprises at least one shock absorber extending in the inter-car space 12 between the first car 4 and the second car 6.
• the articulated vehicle 1 also comprises at least one shock absorber at the bottom of the vehicle. body and at least one shock absorber at the top of the body.
• the articulation device 2 extends in the inter-car space 12.
• the articulation device extends more particularly in the upper part of the inter-car space 12.
• the articulated vehicle 1 preferably comprises a coupling 13. connecting the first car 4 and the second car 6.
• the articulation device 2 (see Figure 2) comprises a first flange 14 secured to the first carriage 4, a second flange 16 secured to the second carriage 6 and an articulation joint 18 connecting the first flange 14 and the second flange 16 .
• the articulation joint 18 comprises a first articulation member 20, a second articulation member 22 and a rotation member 24, the first articulation member 20 being movable in rotation relative to the second articulation member 22 around of the rotating member 24.
• the first flange 14 comprises two first retaining tabs 26 on the first carriage 4 and a first region of cooperation 28 with the first articulation member 20.
• Each first retaining tab 26 comprises a first planar section 30 fixed to the first transverse wall 8 and a first support arm 32 connecting the planar section 30 to the first cooperation region 28.
• the first cooperation region 28 comprises a first ring 34 and a first pin 36 which can be inserted into the first ring 34.
• the first ring 34 and the first retaining tabs 26 are formed in a single block, the first retaining tabs 26 extending on either side of the periphery of the first ring 34.
• the first pin 36 is radially insertable into the first ring 34 and is adapted to be fixed to the first ring 34, for example by screwing.
• the second flange 16 comprises two second retaining lugs 38 on the second carriage 6 and a second region of cooperation 40 with the second articulation member 22.
• Each second lug of support 38 comprises a second planar section 42 fixed to the second transverse wall 10 and a second support arm 44 connecting the second planar section 42 to the second cooperation region 40.
• the second cooperation region 40 comprises a second ring 46 and according to a particular embodiment a second pin 48 which can be inserted into the second ring 46.
• the second ring 46 and the second retaining lugs 38 are formed in a single block, the retaining lugs 38 extending on either side of the periphery of the second ring 46.
• the second pin 48 can be inserted radially into the second ring 46 and is adapted to be fixed to the second ring 46, for example by screwing.
• the first articulation member 20 comprises a single first section 52, a first adjustable stop 53 disposed on the first section 52 and a first clamping member 54.
• the term “single first section” 52 means that the articulation device 2 does not include no other elements which transmit, in parallel with this first section 52, forces between the first and second flanges 14 and 16.
• the articulation device 2 does not include other flanges secured to the first and second cars 4 and 6 In other words, all of the force flow between the first and second flanges 14 and 16 passes through the first section 52.
• the first section 52 comprises a first elongated section 56 on which are installed the first adjustable stop 53 and the first clamping member 54, the first section 52 further comprising a first U-shaped rotation section 58.
• the first elongated section 56 defines a first longitudinal axis (X1 -X1) of the first section 52.
• the first elongated section 56 is for example a threaded bar.
• the first elongated section 56 cooperates with the first ring 34 and the outer diameter of the first elongated section 56 is substantially equal to the internal diameter of the first ring 34.
• the first elongated section 56 includes a groove oriented along the longitudinal axis (X1-X1).
• the first pin 36 is inserted into this groove, the first elongated section 56 and therefore the first section 52 being movable in translation along the first longitudinal axis (X1-X1) relative to the first flange 14.
• the first pin 36 and the groove block the rotation of the first ring 34 relative to the first elongated section 56.
• the first U-shaped rotation section 58 comprises two regions which are substantially flat in opposition, and which are substantially horizontal when the articulation device 2 is installed on the articulated vehicle 1.
• the two substantially planar regions each have an orifice, the orifices being aligned and adapted to accommodate the rotation member 24.
• the two planar regions are linked together by a connecting region, the connecting region itself being linked to the first elongated section 56.
• the first adjustable stop 53 is movable relative to the first section 52 in translation along the longitudinal axis (X1-X1) along the first elongated section 56.
• the first adjustable stop 53 is able, in the installed position, to be stationary by relative to the elongated section 56.
• the first adjustable stop 53 is for example a nut.
• the first clamping member 54 is movable in translation along the longitudinal axis (X1-X1) along the first elongated section 56.
• the first clamping member 54 is able, in the installed position, to be stationary relative to the section. elongated 56.
• the first clamping member 54 is for example a nut.
• the first adjustable stop 53 and the first clamping member 54 are adapted to fix the first section relative to the first flange.
• the first adjustable stop 53 and the first clamping member 54 are placed on either side of the first ring 34 and define the position of the first articulation member 20 relative to the first flange 14 along the first axis longitudinal (X1 -X1).
• the rotation member 24 crosses the first rotation section 58 right through in a vertical direction when the articulation device 2 is installed on the vehicle 1.
• the rotation member 24 defines a first transverse axis (ZZ), the first articulation member 20 and the second articulation member 22 being movable in rotation about the first transverse axis (ZZ).
• the rotation member 24 comprises, for example, a bolt surrounded by a sleeve adapted to reduce friction.
• the second articulation member 22 comprises a single second section 60, a second adjustable stop 62 on the second section 60, a second clamping member 64 and a single connecting member 66 through which the second section 60 is connected to the second flange 16.
• the term “only second section” 60 means that the articulation device 2 does not include other elements which transmit, in parallel with this second section 60, forces between the first and second flanges 14 and 16. In other words, all of the force flow between the first and second flanges 14 and 16 passes through the second section 60.
• the second section 60 comprises a second elongated section 68 on which are installed the second adjustable stop 62 and the second clamping member 64, the second section 60 also comprising a second rotation section 70 in the form of an O.
• the second elongated section 68 defines a second longitudinal axis (X2-X2) of the second section 60.
• the second elongated section 68 is for example a threaded bar.
• the second elongated section 68 cooperates with the link member 66.
• the second O-shaped rotation section 70 is integral with one end of the second section 60 and defines an orifice aligned with the orifices of the first rotation section 58.
• the orifice of the second rotation section 70 is adapted to receive the orifice. 'rotating member 24.
• the second rotation section 70 is rotatable about the first transverse axis (Z-Z) relative to the first rotation section 58, respectively relative to the first section 52.
• the first transverse axis (ZZ) extends transversely with respect to the first longitudinal axis (X1-X1) and to the second longitudinal axis (X2-X2), regardless of the angle formed between the first longitudinal axis (X1 -X1) and the second longitudinal axis (X2-X2).
• the connecting member 66 defines in an adjustable manner the position of the second section 60 relative to the second flange along a second longitudinal axis (Y2-Y2) extending perpendicularly to the second longitudinal axis (X2-X2) and to the first transverse axis (ZZ).
• the connecting member 66 defines in an adjustable manner the position of the second section 60 relative to the second flange along the second longitudinal axis (X2-X2) independently of the adjustment of the second section (60) relative to the second flange (16) along the second transverse axis (Y2-Y2).
• the connecting member 66 is an eccentric 72 and the articulation device comprises a fastening member 74 such for example an eccentric nut 75.
• the eccentric 72 defines a cylindrical outer contour cooperating with the interior of the second ring 46.
• the second ring 46 defines a third longitudinal axis (X3- X3), which is the central axis of this ring.
• the longitudinal axis of the cylindrical outer contour of the eccentric 72 is the third longitudinal axis (X3-X3).
• the eccentric 72 further includes an eccentric bore whose longitudinal axis is the second longitudinal axis (X2-X2).
• the second longitudinal axis (X2-X2) and the third longitudinal axis (X3-X3) are distinct and parallel.
• the second longitudinal axis (X2-X2) and the third longitudinal axis (X3-X3) are 8mm apart.
• the eccentric 72 is movable in rotation around the third longitudinal axis (X3-X3) in the second ring 46 and the second section is movable in rotation about the second longitudinal axis (X2-X2) in the eccentric bore 76 and is moreover movable in translation along the second longitudinal axis (X2-X2) in the eccentric bore 72.
• the second section 60 is thus movable in combined translation along the first transverse axis (ZZ) and the second transverse axis (Y2 -Y2), the path of the second section 60 relative to the second flange 16 defining a cylinder coaxial with the third longitudinal axis (X3-X3).
• the eccentric 72 comprises, for example, a threaded region adapted to cooperate with the fixing member 74 and a collar adapted to be pressed on one side of the second ring 46.
• the fixing member 74 is movable on the eccentric and is adapted to block the eccentric 72 on the second ring 46.
• the fixing member 74 blocks the eccentric 72 on the second ring 46, the second ring 46 is clamped between the fixing member 74 and the flange of the eccentric 72.
• the fixing member 74 thus makes it possible to block the rotation of the eccentric 72 in the second ring 46.
• the gap between the two substantially planar regions of the first U-shaped rotation section 58 is greater than the height of the second O-shaped rotation section 70.
• This gap defines a clearance of vertical region 80.
• the clearance of vertical region 80 is for example between 0.5mm and 10.5mm.
• the first section 52 is thus movable relative to the second section 60 along the vertical axis (Z-Z) over a range between -8mm and + 8mm.
• FIG. 4 and 5 is shown a second embodiment of the articulation device 2. This embodiment differs from the first embodiment only by the following. Similar elements bear the same references.
• the connecting member 66 is a finned sleeve 82 and the articulation device 2 comprises a multiplicity of fixing members 74.
• Each fixing member 74 is for example a bolt 84.
• the second flange 16 does not include a second ring 46 but a planar region 86, connecting the second retaining tabs 38.
• the second flange further comprises oblong holes 88 and guide stops 90 extending on either side of the flat region 86.
• the finned sleeve 82 is movable in translation with respect to the second flange 16 along the second transverse axis (Y2-Y2) between the guide stops 90.
• Each fixing member 74 is suitable for fixing the finned sleeve 82 relative to the second flange 16. Each fixing member thus makes it possible to block the translation of the finned sleeve 82 relative to the second flange 16.
• the second adjustable stop 62 is movable relative to the second section 60 in translation along the second longitudinal axis (X2-X2) along the second elongated section 68.
• the second adjustable stop 62 is suitable, in the installed position, to be stationary or fixed relative to the elongated section 68.
• the second adjustable stop 62 is for example a nut and an associated locknut.
• the second clamping member 64 is movable in translation along the second longitudinal axis (X2-X2) along the second elongated section 68.
• the second clamping member 64 is able, in the installed position, to be stationary relative to the section. elongated 64.
• the second clamping member 64 is for example a nut and an associated locknut.
• the second adjustable stop 62 and the second clamping member 64 are adapted to fix the connecting member 66 relative to the second section.
• the second adjustable stop 62 and the second clamping member 64 are placed on either side of the connecting member 66 and define the position of the second articulation member 22 relative to the second flange 16 according to the second longitudinal axis (X2-X2).
• FIGS. 2 and 3 A first method of adjusting an articulated vehicle articulation device according to the first embodiment illustrated in FIGS. 2 and 3 as well as a second adjusting method of an articulated vehicle articulation device according to the second embodiment.
• embodiment illustrated in Figures 4 and 5 will now be described.
• the adjustment is intended to adjust the position of the first car 4 relative to the second car 6.
• the adjustment is intended to ensure the parallelism of the planes formed by the ends of the first 4 and the second 6 car and the alignment of the first 4 and the second 6 car.
• the planes formed by the ends of the first 4 and of the second 6 car are for example formed by the first transverse wall 8 and by the second transverse wall 10.
• the first adjustment method comprises a step of adjusting the position of the connecting member 66 by rotating the connecting member 66 relative to the second flange 16 along the third longitudinal axis (X3-X3).
• the connecting member 66 is, in this adjustment process, the eccentric 82.
• the rotation about the third longitudinal axis (X3-X3) allows the movement of the second section 60 relative to the second flange 16 along the first transverse axis. (ZZ) and simultaneously along the second transverse axis (Y2-Y2).
• the movement of the second section 60 relative to the second flange 16 along the first transverse axis (ZZ) causes a displacement of the second rotation section 70 relative to the first rotation section 58 in translation along the first transverse axis (ZZ) .
• the movement along the first transverse axis (ZZ) is made possible by the clearance 80 and therefore does not lead to any adjustment of the planes formed by the ends of the first 4 and of the second 6 car or of the alignment of the ends of the car. the first 4 and the second 6 car.
• the displacement of the second section 60 relative to the second flange 16 along the second transverse axis (Y2-Y2) leads to the adjustment of the alignment of the planes formed by the ends of the first 4 and of the second 6 car.
• the step of adjusting the position of the connecting member 66 relative to the second flange 16 is followed by a step of fixing the connecting member 66 to the second flange 16 by the at least one fixing member 74.
• the fixing member 74 is for example according to this embodiment the eccentric nut 75.
• the fixing member blocks in particular the eccentric 72 on the second ring 46 in the position determined in the adjustment step. .
• the determined position is the position of the eccentric 72 in which the position of the second section 60 relative to the second flange 16 along the second transverse axis (Y2-Y2) allows the alignment of the ends of the first 4 and of the second 6 car.
• the first adjustment method further comprises a step of adjusting the position of the connecting member 66 by translation of the connecting member 66 relative to the second section 60 along the second longitudinal axis (X2-X2).
• the position of the connecting member 66 is determined in order to ensure the parallelism of the planes formed by the ends of the first 4 and the second 6 car.
• the second adjustable stop 62 is placed on the second section 60 in order to ensure an appropriate gap between the first car 4 and the second car 6 in the longitudinal direction X.
• the step of adjusting the position of the connecting member 66 relative to the second section 16 is followed by a step of fixing the connecting member 66 to the second section 16 by the second adjustable stop 62 and the second locking member. clamping 64.
• the second clamping member 64 is placed on the second section 60 and the connecting member 66 is clamped between the second adjustable stop 62 and the second clamping member 64.
• the position of the connecting member 66 relative to the second section 60 along the second longitudinal axis (X2-X2) is fixed by the second adjustable stop 62 and the second clamping member 64.
• the second adjustment method comprises a step of adjusting the position of the connecting member by translating the connecting member 66 relative to the second section 60 along the second longitudinal axis (X2-X2). During this step, the position of the connecting member 66 is determined in order to ensure the parallelism of the planes formed by the ends of the first 4 and the second 6 car.
• the second adjustable stop 62 is placed on the second section 60 in order to ensure an appropriate gap between the first car 4 and the second car 6 in the longitudinal direction X.
• the step of adjusting the position of the connecting member 66 relative to the second section 60 is followed by a step of fixing the connecting member 66 to the second section 60 by the second adjustable stop 62 and the second locking member. clamping 64.
• the second clamping member 64 is placed on the second section 60 and the connecting member 66 is clamped between the second adjustable stop 62 and the second clamping member 64.
• the position of the connecting member 66 relative to the second section 60 along the second longitudinal axis (X2-X2) is fixed by the second adjustable stop 62 and the second clamping member 64.
• the second adjustment method further comprises a step of adjusting the position of the connecting member 66 by translation of the connecting member 66 relative to the second flange 16 along the second transverse axis (Y2-Y2). During this step, the position of the connecting member 66 relative to the second flange 16 is determined in order to ensure the alignment of the ends of the first 4 and the second 6 car.
• the connecting member 66 is the finned sleeve 82 guided in translation along the second transverse axis (Y2-Y2) by the guide stops 90.
• the step of adjusting the position of the connecting member 66 relative to the second flange 16 is followed by a step of fixing the connecting member 66 to the second flange 16 by the at least one fixing member 74.
• each fixing member 74 is used to fix the connecting member 66 on the second flange 16.
• the position of the connecting member 66 relative to the second flange 16 according to the second transverse axis (Y2-Y2) is fixed by each fastener 74.
• the independent adjustment of the position of the second section 60 relative to the second flange 16 along the second longitudinal axis (X2-X2) and along the second axis transverse (Y2-Y2) facilitates in particular the adjustment by avoiding an iterative adjustment of the longitudinal alignment and the transverse alignment.
• first adjustable stop 53 and a first clamping member 54 on the one hand and a second adjustable stop 62 and a second clamping member 64 on the other hand ensures the precise positioning of the 'rotation member 24 allowing adequate rotation between the first articulation member 20 and the second articulation member 22.
• the presence of a clearance 80 in the first transverse direction (ZZ) allows the position of the second articulation member 22 to be adjusted in the second transverse direction (Y2-Y2) without generating any force. in the first transverse direction (ZZ).

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

Applications Claiming Priority (2)

Publications (2)

Family

ID=68807137

Family Applications (1)

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Family Cites Families (5)

• 2019
  • 2019-09-23 FR FR1910463A patent/FR3101049B1/fr active Active
• 2020
  • 2020-09-21 EP EP20780606.8A patent/EP4034446B1/de active Active
  • 2020-09-21 ES ES20780606T patent/ES2970390T3/es active Active
  • 2020-09-21 WO PCT/EP2020/076295 patent/WO2021058431A1/fr not_active Ceased
  • 2020-09-21 US US17/754,057 patent/US12434745B2/en active Active
  • 2020-09-21 CA CA3151942A patent/CA3151942A1/fr active Pending
  • 2020-09-21 IL IL291564A patent/IL291564B2/en unknown
  • 2020-09-21 MA MA57308A patent/MA57308B1/fr unknown
  • 2020-09-21 AU AU2020355510A patent/AU2020355510B2/en active Active
  • 2020-09-21 PL PL20780606.8T patent/PL4034446T3/pl unknown

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