EP4155160B1 - Raccord d'alimentation pour un dispositif de direction de roue, dispositif de direction de roue pour un châssis et châssis - Google Patents

Raccord d'alimentation pour un dispositif de direction de roue, dispositif de direction de roue pour un châssis et châssis

Info

Publication number
EP4155160B1
EP4155160B1 EP22195511.5A EP22195511A EP4155160B1 EP 4155160 B1 EP4155160 B1 EP 4155160B1 EP 22195511 A EP22195511 A EP 22195511A EP 4155160 B1 EP4155160 B1 EP 4155160B1
Authority
EP
European Patent Office
Prior art keywords
supply
supply connection
connecting part
wheel steering
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP22195511.5A
Other languages
German (de)
English (en)
Other versions
EP4155160A1 (fr
Inventor
Thilo Hoffmann
Hartmut Maier
Gerhard Weilguni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility Austria GmbH
Original Assignee
Siemens Mobility Austria GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Mobility Austria GmbH filed Critical Siemens Mobility Austria GmbH
Publication of EP4155160A1 publication Critical patent/EP4155160A1/fr
Application granted granted Critical
Publication of EP4155160B1 publication Critical patent/EP4155160B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • B61F5/386—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles fluid actuated

Definitions

  • the invention relates to a supply connection for a wheel steering device for a chassis for a rail vehicle, which has at least a first supply line, at least a first connecting part, a feed part and a supply connection longitudinal axis, wherein the at least first supply line is guided in the feed part and can be connected to a supply unit and to a first fluid chamber of a first elastic element for wheel angle positioning.
  • Running gear for rail vehicles must exhibit a high level of driving safety. This can be improved, for example, by the installation of a wheel or wheelset steering device.
  • the targeted positioning of wheels or wheelsets by actively rotating them around their vertical axes is a known method for preventing unstable driving conditions.
  • a wheel or wheelset steering device enables a reduction in wear on wheels and rails.
  • Wheel or wheelset steering devices often feature active elastic bearings, which are designed, for example, as hydraulic bushings.
  • the EP 0 870 664 B1 A method and device for guiding the wheelset of railway vehicles.
  • An example is shown of a device in which the steering angle of wheelsets is generated by a two-chamber fluid bushing.
  • a swing arm connects a wheelset to a chassis frame.
  • the fluid bushing is arranged between the swing arm and the chassis frame. Its fluid chambers are connected via appropriate connections. alternately subjected to fluid, thereby creating a relative movement between the swing arm and the chassis frame.
  • At least one bearing of the triangular control arm has a hydraulic bushing with variable longitudinal stiffness.
  • the hydraulic bushing has an elastomeric element with fluid chambers, which are connected to each other by an internal fluid channel that is guided through an elastomeric material of the elastomeric element.
  • the elastomeric element is arranged to encase a bearing pin of the bearing.
  • a hydraulic bushing is disclosed, which is arranged in an axle link of a railway vehicle's bogie.
  • the hydraulic bushing has at least two fluid chambers filled with hydraulic fluid, which are connected to each other via an overflow channel to achieve fail-safe operation.
  • the overflow channel is designed as a passive vibration damper.
  • WO 2018/095961 A1 A wheel steering arrangement for the chassis of a rail vehicle is described, in which an elastic bearing, which has two fluid chambers and provides the steering angle of a wheelset, is connected to a hydraulic supply.
  • the hydraulic supply has a closed hydraulic circuit.
  • the invention is based on the objective of providing a structurally integrable supply connection that is more advanced than the prior art and can also be used with a limited installation space budget.
  • the supply connection according to the invention is therefore compact and robust. It can be connected, for example, fluidically to a supply unit and a first fluid chamber, or to a wheel steering component or a chassis component (e.g., a swing arm of a wheelset guide device, a wheelset bearing housing, or a chassis frame, etc.). Therefore, the supply connection according to the invention fulfills both fluidic (e.g., hydraulic) functions and connection-related structural functions.
  • fluidic e.g., hydraulic
  • the first supply line is routed through the feed section, it is shielded from environmental influences.
  • the first connecting piece is T-shaped, with its legs acting as defined mounting areas. This allows for easy and safe assembly and disassembly of the first connecting piece.
  • first line section of the at least first supply line is guided in the at least first connecting part and a second line section of the at least first supply line is guided in the feed part, wherein the first line section and the second line section are preferably arranged at an angle to each other.
  • first line section and the second line section are arranged at right angles to each other.
  • This measure enables an inlet into the first supply line arranged at a right angle to the second line section. Depending on the structural environment of the supply connection according to the invention, this allows for efficient use of the available installation space.
  • the feed section can be short in the direction of the supply connection longitudinal axis, or an extension of the feed section in the direction of the supply connection longitudinal axis can be avoided by the first connecting part.
  • a preferred solution is achieved if a first coupling part of a fluidic first locking coupling is arranged in the feed part, by means of which the at least first supply line can be disconnected.
  • connection and disconnection of the supply section e.g., to or from a power supply unit.
  • a mechanically and fluidically secure connection is achieved. Unintentional disconnection of the supply section is prevented.
  • the connection is leak-proof, preventing unintentional fluid leakage, for example, at a separation joint of the supply section. If, for instance, valves are provided in the first coupling, a defined pressure level can be maintained in the supply section even after the first supply line is disconnected.
  • the first locking coupling is located in the feed section, thus protecting it from environmental influences (e.g., from the ingress of moisture, particles, etc.).
  • This measure allows the feeder part to be designed, for example, as a bolt in a socket-bolt connection and still have a flat contact surface to the first connecting part.
  • a first connecting piece is connected to at least the first connecting part and to at least the first supply line which is guided in at least the first connecting part.
  • the first connector also makes it possible to connect valves to the first supply line (for example, by incorporating a valve into the first connector).
  • a compact structural solution with two connecting parts can still be achieved if a second connecting part is connected to the feed part, wherein the at least first connecting part is arranged at a first end of the feed part and the second connecting part is arranged at a second end of the feed part.
  • a second supply line connectable to a supply unit and a second fluid chamber of a second elastic element for wheel angle positioning, is guided in the second connecting part and in the feed part, wherein the at least first supply line and the second supply line are arranged partially parallel to each other.
  • This measure enables the supply of fluid to a two-chamber elastic bearing.
  • the inventive wheel steering device for a chassis for a rail vehicle comprising at least a first swing arm as the first wheel steering component, at least a first guide bushing as the second wheel steering component, and an elastic-fluidic device for wheel angle positioning, with at least one supply connection according to the invention connected to the elastic-fluidic device.
  • the at least first guide bushing and the at least one supply connection are connected to each other via cylindrical contact surfaces of the at least first guide bushing and the at least one supply connection, wherein the at least one supply connection is at least partially inserted into the at least first guide bushing, so that the at least first guide bushing and the at least one supply connection have a common longitudinal axis, and wherein the at least one supply connection is connected to the at least first swing arm.
  • This measure ensures that an inlet to the first supply line of the supply connection according to the invention can be arranged, for example, above or below a connection of the supply connection according to the invention with the first swing arm.
  • the supply connection according to the invention has a fluidic supply function for the wheel steering device according to the invention and also functions as a structural component for the wheel steering device according to the invention. Assembly and disassembly of the supply connection according to the invention are simple and quick.
  • a simple release or securing of the connection between the supply connection according to the invention and the first swing arm is made possible if the at least one The power supply connection is screwed to at least the first swing arm.
  • An increase in driving safety and driving comfort of a rail vehicle can be achieved with a chassis for a rail vehicle with at least one wheel steering device according to the invention.
  • a steering angle position of the wheel or wheelset by means of the wheel steering device according to the invention is made possible if a first wheelset is steerably coupled to a chassis frame via the at least one wheel steering device.
  • Fig. 1 shows a schematic elevation of a section of an exemplary first embodiment of a fluidic wheel steering device according to the invention, comprising a first swing arm 1 as the first wheel steering component, a first guide bushing 2 as the second wheel steering component, and an exemplary first embodiment of a supply connection according to the invention.
  • the first swing arm 1 is connected to a first wheelset 3 of a chassis, as exemplified in Fig. 3
  • the first guide bushing 2 is pressed into a chassis frame 4 of the chassis and functions as a wheelset guide bushing.
  • the supply connection is connected to the first swing arm 1 and inserted into the first guide bushing 2, making contact with it.
  • the wheel steering device further comprises an elastic-fluidic device for wheel angle positioning, which includes a first elastic element 5 and a second elastic element 6.
  • a first interior space of the first elastic element 5 is designed as the first fluid chamber 7, and a second interior space of the second elastic element 6 as the second fluid chamber 8.
  • the first elastic element 5 and the second elastic element 6 are arranged in recesses of the supply connection and border the first guide bushing 2.
  • variable forces are generated between the first guide bushing 2 and the supply connection. These forces are then transmitted from the supply connection via the first swing arm 1 as steering forces to the first wheelset 3 for adjusting the steering angles.
  • the supply connection which supplies the first fluid chamber 7 and the second fluid chamber 8 with a hydraulic fluid for varying the fluid pressures, comprises a first connecting part 9 and a second connecting part 10, as shown. for example in Fig. 2 shown, as well as a feed part 11.
  • the feed part 11 has a first adapter 12, a second adapter 13, as shown by way of example in Fig. 2
  • the figure shows a central piece 14.
  • the feed part 11 is rounded.
  • the first adapter 12 and the second adapter 13 are semi-cylindrical and screwed to the central piece 14. According to the invention, however, it is also conceivable that the feed part 11 is formed in one piece.
  • the first adapter 12 is inserted into a partially semi-cylindrical first recess 15 of the first swing arm 1, the second adapter 13 into a partially semi-cylindrical recess in Fig. 1 non-visible second recess of the first swing arm 1.
  • the hollow cylindrical first guide bushing 2 and the cylindrical center piece 14 are connected to each other via cylindrical contact surfaces of the first guide bushing 2, the center piece 14, the first elastic element 5 and the second elastic element 6, wherein the feed part 11 is inserted into the first guide bushing 2, such that the first guide bushing 2 and the supply connection form a Fig. 1
  • the projecting supply connection longitudinal axis 16 has a common longitudinal axis.
  • the first connecting part 9 is T-shaped and has a first leg 17 and a second leg 18.
  • the first leg 17 is aligned parallel to a vertical axis 19 of the first guide bushing 2, the second leg 18 parallel to a transverse axis 20 of the first guide bushing 2.
  • the first connecting part 9 is detachably connected to the first adapter 12 of the feed part 11 via the first leg 17 by means of a fluidic first locking coupling 21, which is designed as a quick-release coupling.
  • the first locking coupling 21 is arranged in the first connecting part 9 and in the feed part 11.
  • the first adapter 12 is flattened in the area of a first connecting surface 23 to the first connecting part 9 and is therefore flat in this area.
  • a first contact surface 25 and a second contact surface 26 are arranged, via which the first connecting part 9 is screwed to the first swing arm 1 by means of a first screw 27 and a second screw 28, i.e. detachably connected.
  • the first screw 27 and the second screw 28 are designed as blind hole hexagon screws.
  • the second connecting part 10 and the second adapter 13 are structurally, functionally and in terms of connection technology identical to the first connecting part 9 and the first adapter 12.
  • the supply connection has a first supply line 30 and a second supply line 31, which are connected to a supply unit 32 of the wheel steering device, as exemplified in Fig. 3 As shown, they are connected and separately supply the first fluid chamber 7 and the second fluid chamber 8 with the hydraulic fluid.
  • the first supply line 30 is guided in the first connecting part 9 and in the feed part 11 and can be disconnected by means of the first locking coupling 21.
  • a first connecting piece 33 is arranged on the first connecting part 9 and is connected to the first supply line 30; a first supply section 35 of the first supply line 30 leads from the first connecting piece 33 to the supply unit 32.
  • the second supply line 31 is guided in the second connecting part 10 and in the feeder part 11 and is structurally, functionally, and technically identical to the first supply line 30.
  • the second supply line 31 is connected via a second connecting piece 34, as exemplified in Fig. 2 visible, connected to the power supply unit 32.
  • the first supply line 30 is connected to the first fluid chamber 7 via a first supply section 36 of the first supply line 30, the second supply line 31 is connected to the second fluid chamber 8 via a second supply section 37 of the second supply line 31.
  • the first supply line 30 is angled in the first connecting part 9 and leads out of the second leg 18 of the first connecting part 9 parallel to the transverse axis 20, wherein the first connecting piece 33 is not arranged on the first connecting part 9, but is connected to the first connecting part 9 laterally. Furthermore, it is conceivable that the first supply line 30 is not guided in the first connecting part 9, but extends into the first swing arm 1 and is connected to the supply unit 32 via the first swing arm 1 (e.g., laterally or via an underside), wherein the first locking coupling 21 is arranged in the feed part 11 and in the first swing arm 1.
  • Figure 1 is a sectional view of a schematic side view of an exemplary second embodiment of a fluidic wheel steering device according to the invention, comprising a first swing arm 1, a first guide bushing 2, and an exemplary second embodiment of a supply connection according to the invention.
  • the exemplary second embodiment of a wheel steering device according to the invention is structurally and functionally identical to that shown in Figure 2.
  • Fig. 1 disclosed an exemplary first embodiment of a wheel steering device according to the invention.
  • the exemplary second embodiment of a supply connection according to the invention is structurally and functionally identical to that in Fig. 1 revealed Exemplary first embodiment of a supply connection according to the invention.
  • a feed section 11 of the supply connection comprises a first adapter 12, a second adapter 13, and a center piece 14.
  • the center piece 14 is inserted into the first guide bushing 2, while the first adapter 12 and the second adapter 13 are arranged outside the first guide bushing 2.
  • the first guide bushing 2 and the feed section 11 share a supply connection longitudinal axis 16 as a common longitudinal axis.
  • the feed section 11 functions as a bolt in a bushing-bolt connection.
  • the first adapter 12 is screwed to the middle piece 14 at the first end 38 of the feed part 11 or the supply connection with respect to the supply connection longitudinal axis 16
  • the second adapter 13 is screwed to the second end 39 of the feed part 11 or the supply connection with respect to the supply connection longitudinal axis 16.
  • a first connecting part 9 of the supply connection is connected at the first end 38 via a flat first connecting surface 23 to the first adapter 12
  • a second connecting part 10 of the supply connection is connected at the second end 39 via a flat second connecting surface 24 to the second adapter 13.
  • the first connecting part 9 is, as in connection with Fig. 1 as described by way of example, by means of a first screw 27 and an exemplary in Fig. 1 the second screw 28 shown is connected to the first swing arm 1.
  • the second connecting part 10 is screwed to the first swing arm 1 in the same way as the first connecting part 9.
  • a third screw 29 and a [missing information] are located between the second connecting part 10 and the first swing arm 1.
  • Fig. 2 A fourth screw is positioned, but it is not visible.
  • the first swing arm 1 is fork-shaped in the area of the first guide bushing 2 and encompasses the first guide bushing 2 and the feed part 11 in the area of the first end 38 or in the area of the first connecting part 9 as well as in the area of the second end 39 or in the area of the second connecting part 10.
  • the first adapter 12 and the second adapter 13 are arranged above the first swing arm 1, the first connecting part 9 above the first adapter 12 and the second connecting part 10 above the second adapter 13.
  • a first supply line 30 is routed, and in the second connecting part 10 and the feeder part 11, a second supply line 31 is routed.
  • a first connecting piece 33 of the supply connection is arranged, which is connected to the first connecting part 9 and to the first supply line 30; on the second connecting part 10, a second connecting piece 34 of the supply connection is arranged, which is connected to the second connecting part 10 and to the second supply line 31.
  • the first supply line 30 is connected via the first connecting piece 33, which is connected to the first connecting piece 9, and the second supply line 31 is connected via the second connecting piece 34, which is connected to the second connecting piece 10, with hydraulic fluid from a supply unit 32, which is connected to the first supply line 30 and to the second supply line 31, as is shown for example in Fig. 3 It is shown that it is supplied.
  • the first supply line 30 includes an exemplary one in Fig. 1
  • the second supply line 31 shows one in Fig. 2 a second supply section not shown, a third line section 42, a fourth line section 43, and an example in Fig. 1
  • the first supply section 35 connects the first line section 40 to the supply unit 32.
  • the first connection piece 33 is connected to the first supply section 35 and to the first line section 40.
  • the first line section 40 which connects to the first supply section 35 via the first connection piece 33, is guided in the first connecting part 9 and extends into the first adapter 12.
  • the second line section 41 connected to the first line section 40, is guided in the first adapter 12 and in the intermediate piece 14.
  • the second line section 41 is connected to the first feed section 36, which connects to the second line section 41, with an exemplary [diagram/description] Fig. 1 connected to the first fluid chamber 7 of the wheel steering device shown.
  • the first conductor section 40 and the second conductor section 41 are arranged at an angle to each other.
  • the first conductor section 40 is aligned parallel to a vertical axis 19 of the first guide bushing 2, the second conductor section 41 parallel to the longitudinal axis 16 of the supply connection.
  • the first conductor section 40 is thus arranged at right angles to the second conductor section 41.
  • the first feed section 36 is parallel to a Fig. 2
  • the projecting transverse axis 20 of the first guide bushing 2 is aligned and also appears in Fig. 2 projecting.
  • a first locking coupling 21 is arranged, which comprising a first coupling part 44 and a second coupling part 45 designed as a plug nipple.
  • the first locking coupling 21 is a quick-release coupling, which is designed as a mono coupling or through coupling.
  • the first coupling part 44 is arranged in the first adapter 12, the second coupling part 45 in the first connecting part 9.
  • the first coupling part 44 is designed as a plug nipple, i.e. that the first locking coupling 21 is arranged rotated by 180° in the first connecting part 9 and in the first adapter 12.
  • the second coupling part 45 is arranged in the first line section 40 and projects into the first adapter 12 via a flange-like section which contacts the first connecting part 9 in the area of the first connecting surface 23.
  • the second coupling part 45 is screwed to an internal thread of the first connecting part 9 via a threaded section of the second coupling part 45.
  • the first coupling part 44 is mounted in a receptacle of the first line section 40 in the first adapter 12.
  • the first connecting part 9, together with the second coupling part 45, can be separated from the first adapter 12 and the first coupling part 44.
  • the first locking coupling 21 functions as a plug connector.
  • the third line section 42 is connected to the supply unit 32 via the second supply section.
  • the third line section 42 which connects to the second supply section via the second connector 34, is guided in the second connecting part 10 and extends into the second adapter 13.
  • the fourth line section 43 is guided in the second adapter 13 and in the center section 14, connecting to the third line section 42.
  • the fourth line section 43 is connected to the fourth line section 43 via the second feed section 37, which connects to the fourth line section 43.
  • Fig. 1 connected to the second fluid chamber 8 of the wheel steering device shown.
  • the third line section 42 and the fourth line section 43 are arranged at an angle to each other.
  • the third line section 42 is aligned parallel to the vertical axis 19, the fourth line section 43 parallel to the longitudinal axis 16 of the supply connection.
  • the third line section 42 is thus arranged at right angles to the fourth line section 43.
  • the second feed section 37 is aligned parallel to the transverse axis 20.
  • the second line section 41 and the fourth line section 43 are arranged parallel to each other or coaxially and are structurally separated from each other by the middle piece 14.
  • a second locking coupling 22 is arranged in the second connecting part 10 and in the second adapter 13, or in the third line section 42.
  • the second locking coupling 22 is structurally, functionally, and technically identical to the first locking coupling 21.
  • Fig. 3 reveals a schematic outline of a section from an exemplary design variant a chassis according to the invention with an exemplary third embodiment of a wheel steering device according to the invention and an exemplary third embodiment of a supply connection according to the invention.
  • the chassis is designed as the chassis of a rail vehicle.
  • the exemplary third embodiment of a wheel steering device according to the invention corresponds structurally and functionally to that exemplary first embodiment of a wheel steering device according to the invention, which was described in connection with Fig. 1 described.
  • the exemplary third embodiment of a supply connection according to the invention is structurally, functionally, and in terms of connection technology identical to the exemplary first embodiment of a supply connection according to the invention, which is described in Fig. 1 is shown.
  • the chassis has a chassis frame 4, which is coupled to a first wheelset 3 via the wheel steering device.
  • the wheel steering device comprises a first swing arm 1 as the first wheel steering component and a first guide bushing 2 as the second wheel steering component, which are arranged on a first side of the chassis, as well as a second swing arm as the third wheel steering component and a second guide bushing as the fourth wheel steering component, which, in Fig. 3 not visible, are located on a second side of the chassis.
  • the first wheel steering component, the second wheel steering component, the third wheel steering component and the fourth wheel steering component are also chassis components, such as the chassis frame 4.
  • a [missing word] is [missing word] on the first side of the chassis.
  • a non-visible wheelset bearing is connected, which in turn is coupled to a wheelset bearing housing 46.
  • the wheelset bearing housing 46 is connected to the first swing arm.
  • the first swing arm 1 is connected to the supply connection, which acts as a bolt and is inserted into the first guide bushing 2.
  • a primary spring 47 is arranged between the wheelset bearing housing 46 and the chassis frame 4. According to the invention, the wheelset bearing housing 46 and the first swing arm 1 can also be formed in one piece.
  • the first guide bushing 2 is pressed into the chassis frame 4.
  • the first guide bushing 2 is, for example, a recess in the chassis frame 4, i.e., that the first guide bushing 2 and the chassis frame 4 are not separate components.
  • the first wheelset 3 is coupled to the chassis frame 4 on the second side of the chassis according to the same principle as on the first side of the chassis.
  • the supply connection has a first connecting part 9, a second connecting part 10, as shown for example in Fig. 2 as shown, and a feed part 11.
  • the supply connection is inserted into the first guide bushing 2 via the feed part 11.
  • the T-shaped first connecting part 9, arranged outside the first guide bushing 2 is screwed to the first swing arm 1 and connected via a first locking coupling 21, as exemplified in Fig. 1 shown, connected to the feed part 11.
  • the first connecting part 9 is arranged on the front of a swing arm.
  • the second connecting part 10 is structurally, functionally, and technically identical to the first connecting part 9 and is arranged on the rear of a swing arm.
  • a supply unit 32 designed as a hydraulic unit, is connected to the chassis frame 4 and includes a pump, an electric pump motor, and a tank for hydraulic fluid.
  • the hydraulic fluid is supplied from the chassis frame via a first supply line 30.
  • Supply unit 32 is introduced via a first connecting piece 33 into the first connecting part 9 and into the feed part 11.
  • a second supply line 31 Via a second supply line 31, as exemplified in Fig. 2
  • the hydraulic fluid is supplied from the power unit 32 via a second connection piece 34, as exemplified in Fig. 2
  • the first supply line 30 is connected to a first fluid chamber 7 of a first elastic element 5 of the wheel steering device, as exemplified in Fig. 1
  • the second supply line 31 is connected to a second fluid chamber 8 of a second elastic element 6, as shown in the example in Fig. 1 shown.
  • the first supply line 30 supplies the first fluid chamber 7 with the hydraulic fluid from the supply unit 32, the second supply line 31 the second fluid chamber 8.
  • the stiffnesses of the first elastic element 5 and the second elastic element 6 are varied, and steering forces can be generated and adjusted on the first swing arm 1.
  • the first wheelset 3 is steerable via the wheel steering device and coupled to the chassis frame 4.
  • the first guide bushing 2 with the supply connection is not arranged in the chassis frame 4, but in the first swing arm 1, and that the first connecting part 9 is not connected to the first swing arm 1, but to the chassis frame 4.
  • the chassis features a Fig. 3 a second wheelset (not shown) which is steerably connected to the chassis frame 4 according to the same principle as the first wheelset 3.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)

Claims (16)

  1. Raccord d'alimentation pour un dispositif de direction de roue destiné à un train de roulement d'un véhicule ferroviaire, qui présente au moins une première conduite d'alimentation (30), au moins une première partie de liaison (9), une partie d'acheminement (11) et un axe longitudinal (16) de raccordement d'alimentation, dans lequel la au moins première conduite d'alimentation (30) est guidée dans la partie d'acheminement (11) et peut être reliée à une unité d'alimentation (32) ainsi qu'à une première chambre à fluide (7) d'un premier élément élastique (5) permettant un positionnement angulaire de la roue, dans lequel
    la au moins première partie de liaison (9) est réalisée en forme de T, est reliée à la partie d'acheminement (11) par l'intermédiaire d'une première branche (17) de la au moins première partie de liaison (9) et présente au niveau d'une seconde branche (18) de la au moins première partie de liaison (9) au moins une première surface d'appui (25) permettant la liaison de la au moins première partie de liaison (9) avec un composant de direction de roue ou un composant de train de roulement.
  2. Raccordement d'alimentation selon la revendication 1, caractérisé en ce qu'une première section de conduite (40) de la au moins première conduite d'alimentation (30) est guidée dans la au moins première partie de liaison (9) et une seconde section de conduite (41) de la au moins première conduite d'alimentation (30) est guidée dans la partie d'acheminement (11), dans lequel la première section de conduite (40) et la seconde section de conduite (41) sont de manière préférée agencées de manière à former un angle l'une par rapport à l'autre.
  3. Raccord d'alimentation selon la revendication 2, caractérisé en ce que la première section de conduite (40) et la seconde section de conduite (41) sont agencées à angle droit l'une par rapport à l'autre.
  4. Raccord d'alimentation selon la revendication 2 ou 3, caractérisé en ce que la seconde section de conduite (41) est orientée parallèlement à l'axe longitudinal (16) de raccord d'alimentation.
  5. Raccord d'alimentation selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'une première partie d'accouplement (44) d'un premier accouplement de verrouillage fluidique (21), au moyen de laquelle la au moins première conduite d'alimentation (30) peut être séparée, est agencée dans la partie d'acheminement (11).
  6. Raccord d'alimentation selon la revendication 5, caractérisé en ce qu'une seconde partie d'accouplement (45) du premier accouplement de verrouillage (21) est agencée dans la au moins première partie de liaison (9) au sein de laquelle la au moins première conduite d'alimentation (30) est guidée.
  7. Raccord d'alimentation selon la revendication 5 ou 6, caractérisé en ce que la première partie d'accouplement (44) ou la seconde partie d'accouplement (45) est réalisée sous la forme d'un manchon enfichable.
  8. Raccordement d'alimentation selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la partie d'acheminement (11) est réalisée de manière arrondie, et au moins dans la région d'une première surface de liaison (23) de manière aplanie par rapport à la au moins première partie de liaison (9).
  9. Raccordement d'alimentation selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'une première pièce de raccordement (33) est reliée à la au moins première partie de liaison (9) et à la au moins première conduite d'alimentation (30) qui est guidée dans la au moins première partie de liaison (9).
  10. Raccordement d'alimentation selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'une seconde partie de liaison (10) est reliée à la partie d'acheminement (11), dans lequel la au moins première partie de liaison (9) est agencée au niveau d'une première extrémité (38) de la partie d'acheminement (11) et la seconde partie de liaison (10) est agencée au niveau d'une seconde extrémité (39) de la partie d'acheminement (11).
  11. Raccordement d'alimentation selon la revendication 10, caractérisé en ce qu'une seconde conduite d'alimentation (31) est guidée dans la seconde partie de liaison (10) et dans la partie d'acheminement (11), reliable à une unité d'alimentation (32) et à une seconde chambre à fluide (8) d'un second élément élastique (6) permettant un positionnement angulaire de roue, dans lequel la au moins première conduite d'alimentation (30) et la seconde conduite d'alimentation (31) sont agencées de manière partiellement parallèle l'une par rapport à l'autre.
  12. Dispositif de direction de roue destiné à un train de roulement d'un véhicule ferroviaire, qui présente au moins un premier bras oscillant (1) faisant office de premier composant de direction de roue, au moins une première douille de guidage (2) faisant office de second composant de direction de roue et un dispositif fluidique élastique permettant un positionnement angulaire de roue, avec au moins un raccord d'alimentation selon l'une quelconque des revendications 1 à 11 relié au dispositif fluidique élastique.
  13. Dispositif de direction de roue selon la revendication 12, caractérisé en ce que la au moins première douille de guidage (2) et le au moins un raccord d'alimentation sont reliés l'un à l'autre par l'intermédiaire de surfaces de contact cylindriques de la au moins première douille de guidage (2) et du au moins un raccord d'alimentation, dans lequel le au moins un raccord d'alimentation est au moins partiellement inséré dans la au moins première douille de guidage (2), de sorte que la au moins première douille de guidage (2) et le au moins un raccord d'alimentation présentent un axe longitudinal commun, et le au moins un raccord d'alimentation est relié au au moins premier bras oscillant (1).
  14. Dispositif de direction de roue selon la revendication 13, caractérisé en ce que le au moins un raccord d'alimentation est vissé au au moins un premier bras oscillant (1).
  15. Train de roulement destiné à un véhicule ferroviaire et comprenant un dispositif de direction de roue selon l'une quelconque des revendications 12 à 14.
  16. Train de roulement selon la revendication 15, caractérisé en ce qu'un premier essieu monté (3) est couplé, par l'intermédiaire du au moins un dispositif de direction de roue, à un châssis de train de roulement (4) de manière à pouvoir être dirigé.
EP22195511.5A 2021-09-23 2022-09-14 Raccord d'alimentation pour un dispositif de direction de roue, dispositif de direction de roue pour un châssis et châssis Active EP4155160B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50758/2021A AT525480A1 (de) 2021-09-23 2021-09-23 Versorgungsanschluss für eine Radlenkvorrichtung, Radlenkvorrichtung für ein Fahrwerk und Fahrwerk

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EP4155160A1 EP4155160A1 (fr) 2023-03-29
EP4155160B1 true EP4155160B1 (fr) 2025-10-29

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EP22195511.5A Active EP4155160B1 (fr) 2021-09-23 2022-09-14 Raccord d'alimentation pour un dispositif de direction de roue, dispositif de direction de roue pour un châssis et châssis

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715148A1 (de) 1997-04-11 1998-10-15 Deutsche Waggonbau Ag Verfahren und Einrichtung zur Radsatzführung von Schienenfahrzeugen
PT1228937E (pt) * 1999-08-31 2005-02-28 Construccio Y Aux De Ferrocarr Dispositivo de guiamento dos eixos de um veiculo ferroviario
DE10310634A1 (de) 2003-03-10 2004-09-30 Carl Freudenberg Kg Achslenkerlager
JP2014194255A (ja) * 2013-03-29 2014-10-09 Railway Technical Research Institute 弾性体ブッシュ及び軸箱支持装置
DE102014214055A1 (de) * 2014-07-18 2016-01-21 Siemens Aktiengesellschaft Fahrwerk für ein Schienenfahrzeug
EP3205549A1 (fr) * 2016-02-15 2017-08-16 Bombardier Transportation GmbH Ensemble guide d'essieu de roue avec des convertisseurs hydromécaniques longitudinaux et train de roulement associé
AT519394B1 (de) 2016-11-24 2023-01-15 Siemens Mobility Austria Gmbh Radsteuerungsanordnung für ein Fahrwerk
GB2579344B (en) * 2018-11-05 2021-04-07 Bombardier Transp Gmbh Rail vehicle wheel axle guiding assembly with load-dependent pressurising means

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AT525480A1 (de) 2023-04-15
EP4155160A1 (fr) 2023-03-29

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