EP3816012A1 - Dispositif de réglage horizontal d'une barre d'attelage pivotante par rapport à une structure porteuse - Google Patents

Dispositif de réglage horizontal d'une barre d'attelage pivotante par rapport à une structure porteuse Download PDF

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Publication number
EP3816012A1
EP3816012A1 EP20204321.2A EP20204321A EP3816012A1 EP 3816012 A1 EP3816012 A1 EP 3816012A1 EP 20204321 A EP20204321 A EP 20204321A EP 3816012 A1 EP3816012 A1 EP 3816012A1
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EP
European Patent Office
Prior art keywords
pressure
coupling rod
guide
pressure body
lever
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.)
Granted
Application number
EP20204321.2A
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German (de)
English (en)
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EP3816012B1 (fr
Inventor
Ralf Schipmann
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Voith Patent GmbH
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Voith Patent GmbH
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Publication date
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Publication of EP3816012A1 publication Critical patent/EP3816012A1/fr
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Publication of EP3816012B1 publication Critical patent/EP3816012B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • B61G7/10—Mounting of the couplings on the vehicle
    • B61G7/12—Adjustable coupling bars, e.g. for centralisation purposes

Definitions

  • the invention relates to a device for the horizontal adjustment of a coupling rod, which can be pivoted relative to a support structure, into a previously determined or determinable position, in particular a central position.
  • the invention relates to a device for the horizontal center resetting of a coupling rod, in particular a central buffer coupling, of a track-guided vehicle.
  • the DE 1 810 593 B2 a device for horizontal center resetting for a central buffer coupling which is pivotably attached to a rail vehicle by means of a coupling rod and has a guide which participates in the pivoting movement of the coupling rod about its vertical pivot axis.
  • Inclined pressure surfaces are arranged on guides symmetrically to the longitudinal axis of the coupling rod.
  • Resilient pressure devices which are supported on the housing for the coupling rod and cause the horizontal center reset, each have a return spring, a pressure transmission member that is acted upon by the return spring and interacts with one of the pressure surfaces and carries a roller, and a stop member that limits the movement of the pressure transmission member, each of which A printing device is assigned to the printing area.
  • a compression spring is arranged symmetrically on both sides of the coupling axis, each of which rests on a slide piece guided in a housing.
  • the sliders are each pressed via an associated support roller with a vertical axis by the force of the pretensioned compression springs against a guide that participates in the horizontal pivoting movement of the coupling rod about the vertical pivoting axis of the central buffer coupling.
  • the support rollers symmetrically form a pair of support rollers mounted in the guide on both sides of the coupling axis, the two support rollers each having different distances from the coupling axis, the axes of the support rollers lying on a circle concentric to the vertical pivot axis of the central buffer coupling.
  • these support rollers of each support roller pair In the middle position of the central buffer coupling, each support rollers of each support roller pair each rest on a sliding surface of the approximately triangular slider in plan view, a guide shaft being arranged on each slider, which penetrates the housing and is guided in it.
  • the center adjusting device In normal operation, i.e. even when driving through curves or switches, the center adjusting device is constantly effective, so that the sliding surfaces of the sliding pieces, which are pressed against the support rollers by the compression springs, are subject to relatively high wear due to the pivoting movement of the center buffer coupling. Coupling in a curve is only possible with difficulty or not at all, since the restoring forces of the compression springs counteract the manually effected pivoting of the central buffer coupling to be coupled.
  • center resets are used, which require a relatively large installation space, but which is often not available in the area of the interface between the coupling rod and the car body or underframe of the track-guided vehicle.
  • a force-generating element such as a pneumatic cylinder or a mechanical spring assembly
  • a suitable element such as a roller
  • the invention is based on the object of specifying a device for the horizontal adjustment of a coupling rod that can be pivoted relative to a support structure into a predetermined or fixable position, in particular a central position, which, due to its compact design, requires only a relatively small amount of space.
  • a device for the horizontal adjustment of a coupling rod is to be specified, which is characterized by a structure that is technically easy to implement, in particular wear of the force-generating element (pneumatic cylinder or mechanical spring assembly), which generates the torque required to adjust the coupling rod, can be reduced .
  • the invention relates in particular to a device for the horizontal adjustment of a coupling rod, which can be pivoted relative to a support structure, into a predetermined or fixable position, in particular a central position, the device having a guide operatively connected to the coupling rod and at least one pressure body which is formed, at least if necessary with the guide to cooperate in such a way that a torque required to adjust the coupling rod acts on the guide.
  • a pressure device is assigned to the at least one pressure body in order to provide a pressure force acting on the at least one pressure body at least as required.
  • the solution according to the invention is particularly characterized in that the pressure device assigned to the at least one pressure body does not interact directly, i.e. directly, with the assigned pressure body, but is operatively connected to the at least one pressure body via a lifting mechanism.
  • the mechanical decoupling of the pressure device from the at least one pressure body enables several advantages to be achieved.
  • the pressure device can be arranged outside the area of the interface between the coupling rod and the support structure, such as, for example, the car body or undercarriage of the track-guided vehicle. In this way, less installation space is required for the adjusting device in the interface area between the coupling rod and the car body or the support structure.
  • the solution according to the invention is characterized in that the pressure device can be arranged independently of the direction in which the pressure body associated with the pressure device acts.
  • a force amplification through the lever ratios of the lever mechanism is moreover possible and, in particular, also adjustable as required.
  • the lever mechanism has at least one lever arm, a first end region of the lever arm being pivotably connected to the pressure device in a horizontal plane, and a second end region of the lever arm opposite the first end region being pivotable to the printing device in a horizontal plane Support structure is connected.
  • Support structure for example, the car body or an underframe of the car body or a bearing block is suitable.
  • the at least one pressure body is arranged in an area between the first and the second end area of the lever arm.
  • a position of the at least one pressure body is preferably between the first and the second end region of the Lever arm adjustable in order to vary the lever ratios of the lever mechanism in this way and to set a force amplification of the pressure device.
  • At least two pressure bodies are preferably used in the adjustment device according to the invention, which are preferably arranged symmetrically to the longitudinal axis of the coupling rod and which each serve to generate a torque acting on the guide operatively connected to the coupling rod as required.
  • the lever mechanism it is advisable for the lever mechanism to have two lever arms which run parallel to one another and each have a first end region which is connected to the printing device such that it can pivot in a horizontal plane.
  • the two lever arms of the lever mechanism each have a second end area which is opposite the first end area and which is connected to the support structure such that it can pivot in a horizontal plane.
  • the pressure device is preferably arranged in a freely floating manner between the two first end regions of the two lever arms, in particular clamped.
  • the pressure device can have a pressure spring clamped between the first and second lever arms, this pressure spring being arranged, in particular clamped, in particular between the two end regions of the two lever arms.
  • the invention is not limited to embodiments in which a compression spring is used as the pressure device. Rather, according to preferred implementations, it is provided that the pressure device has a linearly acting actuator which is designed to generate, if necessary, a pressure force acting at least partially transversely to the longitudinal axis of the coupling rod.
  • the actuator is designed in such a way that it can be switched on or off as required, so that a torque required to adjust the coupling rod is generated with the aid of the pressure device and the associated pressure bodies only when a horizontal adjustment of the coupling rod is actually necessary.
  • a pneumatic or hydraulic cylinder for example, is suitable as an actuator, although electromotive actuators would also be suitable in principle.
  • the actuator of the pressure device is arranged between the two first end regions of the two lever arms, in particular clamped in, and preferably mounted freely floating.
  • the guide has an area associated with the at least one pressure body, which has a shape and / or contour that is complementary to the pressure body in such a way that a Adjusting the coupling rod, the required torque acts on the guide when the pressure body is pressed into the area assigned to it with the aid of the pressure device.
  • the pressure body and the region of the guide assigned to the pressure body are designed to form a form-fitting pairing at least in some areas when the pressure body is pressed into the area assigned to it.
  • the guide is at least partially designed as a cam disk which is mounted around a vertically extending pivot pin relative to the support structure and is rotationally synchronously coupled to the coupling rod.
  • the design of the guide as a cam disk that can be rotated around the vertically arranged pivot pin provides a particularly simple and easy-to-implement option for causing the coupling rod to pivot by means of the pivoting device or for realizing a guide that allows the coupling rod to pivot horizontally a vertical swivel axis takes part.
  • other embodiments are also fundamentally conceivable here.
  • a particularly preferred embodiment provides that a device is provided in the area of a central position of the coupling rod which indicates the shutdown of the printer. In particular, it is conceivable that the pressure device switches itself off automatically after the coupling rod has reached the central position.
  • the device in the unloaded state i.e. with the coupling rod not deflected
  • the guide can be connected at least indirectly, preferably directly, to the coupling rod.
  • the lever arms act on the guide via pressure bodies which interact positively with the guide, generating a torque.
  • the device is characterized by an extension in the longitudinal direction which, in the installed state, coincides with the longitudinal direction of the coupling rod.
  • the lever arms are arranged in a horizontal plane on both sides of a theoretical longitudinal axis and have an area, in particular an end area, which can be connected to the support structure in a hinge-like manner.
  • the lever arms also have an area for at least indirect action on the guide. This can be referred to as the area of action and is characterized by the arrangement of the pressure hulls.
  • the pressure device is provided to act on the lever arms. This can, viewed in the longitudinal direction of the device, be arranged between the connection area to the support structure and the area of action or else the area of action.
  • the pressure device is arranged between the lever arms and has a linearly acting actuator which generates a force acting transversely to the longitudinal axis of the coupling rod and the longitudinal axis of the device on the lever arms.
  • this will be a tensile force which pulls the levers towards one another and thus allows the area of action to act on the guide in the manner of a pair of pliers.
  • the invention relates not only to a pivoting device of the aforementioned type, but also to a central buffer coupling of a track-guided vehicle, in particular Rail vehicle, with a coupling rod that can be pivoted relative to a support structure and the adjusting device according to the invention for horizontally adjusting the coupling rod into a previously determined or determinable position, in particular a central position.
  • FIG. 1a A first exemplary embodiment of the adjusting device 1 according to the invention is described in greater detail.
  • the adjusting device 1 serves for the horizontal adjustment of a coupling rod (in FIG. 1a If the coupling rod is not explicitly shown) in a previously defined or definable position, in particular a central position.
  • the adjusting device 1 shown is particularly suitable as a center adjusting device for clutches in track-guided vehicles, in particular rail vehicles.
  • Central positioning devices are required for couplings for rail vehicles in order to hold the coupling horizontally in the central axis (longitudinal axis of the vehicle) in the uncoupled state. This is necessary, on the one hand, to prevent the coupling from hitting the vehicle while driving (lateral acceleration) and, on the other hand, to enable the automatic coupling of the couplings by moving the couplings against each other.
  • a force-generating element such as a pneumatic cylinder or a mechanical spring assembly
  • a suitable element for example a roller
  • the adjusting device 1 thus serves in particular to hold couplings in the uncoupled state in the horizontal central position or to pivot them back into the central position from a horizontally deflected position.
  • the adjusting device 1 according to the invention which according to the in FIG. 1a is shown schematically based on an exemplary embodiment, is characterized in particular by its technically simple, light and compact structure.
  • the adjusting device 1 has a with the in FIG. 1a Not explicitly shown coupling rod on the operatively connected guide 3 and at least one pressure body 4, which is designed to interact with the guide 3 at least as required in such a way that a torque required to adjust the coupling rod acts on the guide 3.
  • the adjusting device 1 has a pressure device 5 assigned to the at least one pressure body 4 in order to provide a pressure force acting on the at least one pressure body 4 at least as required.
  • the adjusting device 1 according to the invention which is exemplarily shown in the schematic diagram according to FIG. 1a shown is characterized in particular in that the pressure device 5 is operatively connected to the at least one pressure body 4 via a lever mechanism 6.
  • the lever mechanism 6 has at least one lever arm 6a, 6b, wherein a first end region of the lever arm 6a, 6b is pivotably connected in a horizontal plane to the pressure device 5, and wherein a second end region of the lever arm 6a, 6b opposite the first end region is pivotably connected in a horizontal plane to the support structure 2 of the track-guided vehicle.
  • This support structure 2 is, for example, a bearing block or a base plate of the coupling to which the coupling rod belongs.
  • the at least one pressure body 4 is arranged in an area between the first and the second end area of the lever arm 6a, 6b, a position of the at least one pressure body 4 between the first and the second end area of the lever arm 6a, 6b preferably being adjustable.
  • FIG. 1a The schematically illustrated embodiment of the adjusting device 1 according to the invention provides that a total of two pressure bodies 4 are provided symmetrically to the longitudinal axis of the coupling rod, each of which is designed to generate a torque acting on the guide 3 at least as required.
  • pressure cylinders or similar components can be used as the pressure body 4.
  • a total of two pressure bodies 4 are provided symmetrically to the longitudinal axis of the coupling rod, each of which is designed to generate a pressure torque acting on the guide 3 if necessary.
  • the pressure device 5 preferably has a linearly acting actuator which is designed to generate, if necessary, a pressure force acting at least partially transversely to the longitudinal axis of the coupling rod.
  • the actuator is preferably designed as a pneumatic or hydraulic cylinder.
  • the pressure device 5 can also have a corresponding pressure spring (cf. FIG. 1b ).
  • the lever mechanism 6 has two lever arms 6a, 6b running parallel to one another, the pressure device 5 being arranged, in particular clamped, between the two first end regions of the two lever arms 6a, 6b.
  • the pressure device 5 it is advisable in this context for the pressure device 5 to be arranged, in particular clamped, in a freely floating manner between the two first end regions of the two lever arms 6a, 6b.
  • the guide 3 which with the in FIG. 1a not explicitly shown coupling rod is operatively connected, has a region 7 assigned to the at least one pressure body 4, which has a shape and / or contour that is complementary to the pressure body 4 such that a torque required to adjust the coupling rod acts on the guide 3 when the Pressure body 4 is pressed.
  • the pressure body 4 and the area 7 of the guide 3 assigned to the pressure body 4 are designed to form a positive pairing at least in some areas when the pressure body 4 is pressed into the area 7 assigned to it.
  • the guide 3 is designed at least partially as a cam disk, which is mounted around a vertically extending pivot pin relative to the support structure 2 and coupled to the coupling rod in a rotationally synchronous manner.
  • FIG. 1b is a schematic diagram of a second exemplary embodiment of the device 1 according to the invention for horizontal adjustment a coupling rod which can be pivoted relative to a support structure 2 into a previously determined or determinable position, in particular a central position.
  • the second exemplary embodiment according to FIG. 1b corresponds structurally and functionally to the first embodiment according to FIG. 1a , although in the second embodiment the pressure device 5 has a pressure spring as a linearly acting actuator which is designed to generate, if necessary, a pressure force acting at least partially transversely to the longitudinal axis of the coupling rod.
  • FIG. 1a and FIG. 1b The invention is not limited to the schematic in FIG. 1a and FIG. 1b
  • the exemplary embodiments shown are limited, but rather arises from an overview of all the features disclosed herein.
  • the FIG. 2 shows a structural design of an embodiment according to FIG. 1a .
  • the lever mechanism 6 has two lever arms 6a and 6b, which are preferably arranged in a horizontal plane E.
  • the lever arms 6a and 6b are arranged in mirror image with respect to a plane arranged perpendicular to the horizontal plane E. In the installation position, this vertical plane can be described by the longitudinal axis of the coupling and a perpendicular to it.
  • Each of the individual lever arms 6a, 6b is connected in a second end area to a support structure (not shown here).
  • the connection is articulated, in particular rotatable about an axis arranged perpendicular to the horizontal plane E. This is implemented, for example, via a swivel joint 8.
  • the lever arms 6a, 6b each act on the pressure bodies 4, which in turn interact with the guide 3, which is operatively connected to the coupling rod, in such a way that a torque required for adjusting the coupling rod is generated on them.
  • the area of action of the lever arms 6a, 6b on the pressure body 4 is arranged between the first and second end areas, viewed in the longitudinal direction of the device.
  • the pressure device 5 is arranged between the two first end areas of the lever arms 6a, 6b opposite the second end area and is at least indirectly, preferably directly cantilevered and articulated to them.
  • the pressure device 5 is designed as a hydraulic actuator, in particular a cylinder / piston unit, which sets the required force on the pressure body via tensile force on both lever arms.
  • lever arms 6a, 6b themselves can be described by a straight line or a curved design. Decisive are the extension in the longitudinal direction and the offset arrangement in this direction of the area of action and the connection area for the pressure device and the generation of the required torque on the guide via a form fit between guide and pressure body or guide and lever arm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
EP20204321.2A 2019-10-29 2020-10-28 Dispositif de réglage horizontal d'une barre d'attelage pivotante par rapport à une structure porteuse Active EP3816012B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019129149 2019-10-29

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EP3816012A1 true EP3816012A1 (fr) 2021-05-05
EP3816012B1 EP3816012B1 (fr) 2024-01-17

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DE (1) DE102020128291A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177672B (de) * 1959-09-15 1964-09-10 Bergische Stahlindustrie Vorrichtung zur horizontalen Mittenrueckstellung einer Mittelkupplung, insbesondere fuer Schienen-fahrzeuge
DE1180593B (de) 1964-10-29 Danfoss A/S, Nordborg (Danemark) Thermostatisch betätigtes Ventil
US3578180A (en) 1968-12-19 1971-05-11 Midland Ross Corp Car coupler centering device
DE2419184A1 (de) 1974-04-20 1975-11-20 Scharfenbergkupplung Gmbh Vorrichtung zur horizontalen mittelrueckstellung einer mittelpufferkupplung
DE2445460A1 (de) 1974-09-24 1976-04-08 Bergische Stahlindustrie Vorrichtung zur steuerbaren mittenrueckstellung von mittelkupplungen fuer schienenfahrzeuge
DE2822104A1 (de) 1974-04-20 1979-11-22 Scharfenbergkupplung Gmbh Horizontale mittenrueckstellung fuer eine selbsttaetige mittelpufferkupplung
DE2846860A1 (de) 1978-10-27 1980-04-30 Uerdingen Ag Waggonfabrik Vorrichtung zur horizontalen mittenarretierung und -rueckstellung einer mittelpufferkupplung, insbesondere fuer schienenfahrzeuge
DE1810593B2 (de) 1968-11-23 1981-04-30 Bergische Stahl-Industrie, 5630 Remscheid Vorrichtung zur horizontalen Mittenrückstellun einer an einem Fahrzeug angebrachten Mittelkupplung
US4569455A (en) 1984-04-04 1986-02-11 Harvey Hubbell Incorporated Centering detent
WO2005032906A1 (fr) * 2003-10-03 2005-04-14 Dellner Couplers Ab Systeme d'attelage de vehicules

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1180593B (de) 1964-10-29 Danfoss A/S, Nordborg (Danemark) Thermostatisch betätigtes Ventil
DE1177672B (de) * 1959-09-15 1964-09-10 Bergische Stahlindustrie Vorrichtung zur horizontalen Mittenrueckstellung einer Mittelkupplung, insbesondere fuer Schienen-fahrzeuge
DE1810593B2 (de) 1968-11-23 1981-04-30 Bergische Stahl-Industrie, 5630 Remscheid Vorrichtung zur horizontalen Mittenrückstellun einer an einem Fahrzeug angebrachten Mittelkupplung
US3578180A (en) 1968-12-19 1971-05-11 Midland Ross Corp Car coupler centering device
DE2419184A1 (de) 1974-04-20 1975-11-20 Scharfenbergkupplung Gmbh Vorrichtung zur horizontalen mittelrueckstellung einer mittelpufferkupplung
DE2822104A1 (de) 1974-04-20 1979-11-22 Scharfenbergkupplung Gmbh Horizontale mittenrueckstellung fuer eine selbsttaetige mittelpufferkupplung
DE2445460A1 (de) 1974-09-24 1976-04-08 Bergische Stahlindustrie Vorrichtung zur steuerbaren mittenrueckstellung von mittelkupplungen fuer schienenfahrzeuge
DE2846860A1 (de) 1978-10-27 1980-04-30 Uerdingen Ag Waggonfabrik Vorrichtung zur horizontalen mittenarretierung und -rueckstellung einer mittelpufferkupplung, insbesondere fuer schienenfahrzeuge
US4569455A (en) 1984-04-04 1986-02-11 Harvey Hubbell Incorporated Centering detent
WO2005032906A1 (fr) * 2003-10-03 2005-04-14 Dellner Couplers Ab Systeme d'attelage de vehicules

Also Published As

Publication number Publication date
DE102020128291A1 (de) 2021-04-29
EP3816012B1 (fr) 2024-01-17

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