EP4077094A1 - Vorrichtung zum betätigen des verschlusses einer automatischen mittelpufferkupplung - Google Patents
Vorrichtung zum betätigen des verschlusses einer automatischen mittelpufferkupplungInfo
- Publication number
- EP4077094A1 EP4077094A1 EP20776085.1A EP20776085A EP4077094A1 EP 4077094 A1 EP4077094 A1 EP 4077094A1 EP 20776085 A EP20776085 A EP 20776085A EP 4077094 A1 EP4077094 A1 EP 4077094A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arm
- actuating
- coupling
- rotation
- axis
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G3/00—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements
- B61G3/10—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements with coupling heads in the form of hook-like interengaging rigid jaws, e.g. "Willison" type
- B61G3/14—Control devices, e.g. for uncoupling
Definitions
- the present invention relates generally to automatic center buffer couplings for track-guided vehicles, such as, in particular, rail vehicles.
- the invention relates to actuating devices for automatic central buffer couplings.
- Couplings for track-guided vehicles in particular rail vehicles, in particular automatic train couplings, are known in a large number of designs from the prior art.
- Automatic, automatic couplings for rail vehicles are coupling elements which connect the individual car bodies (wagons) that the rail vehicle pulls with one another.
- the resulting compressive and tensile forces as well as relative movements at the ends of the wagon or vehicle are transmitted, cushioned and / or dampened.
- This type of tension couplings essentially consist of at least one coupling head with centering surfaces, a coupling arm, a locking system and a decoupling device for the locking system.
- the locking system is used to hold the counterpart of a mating coupling within the coupling head.
- the decoupling device provided for this purpose comprises a device for specifying the desired function, usually in the form of an operating handle (if the decoupling is carried out manually), which is preferably always on the same side of the rail vehicle, so that there is the possibility of the Can be operated from both sides of the train.
- An actuation linkage establishes the connection between the actuation handle and the locking system of the coupling.
- connecting chains and release shafts are also known. In these embodiments, the pivoting movement of the operating handle is converted into a pulling movement so that unlocking can take place through the pivoting movement.
- the actuating device is preferably arranged in an area that is delimited by the side walls of the rail vehicle or the car body to be coupled.
- the actuating device is preferably arranged entirely in an area between the center of the coupling head and the articulation plane on the vehicle.
- Actuating rods can also consist of gimbal-articulated unlocking shafts. These are designed in such a way that the pivoting movement of the operating handle is converted into a rotary movement for opening the locking system. Due to the design, this type of actuation is suitable for clutch arrangements that experience little deflection movement (especially when cornering) and clutch strokes. In addition, due to the possibility of adding side buffers and automatic couplings, the installation conditions on the coupling head are so narrow that the installation of such solutions is structurally complex. In addition, there is considerable wear and tear due to friction in such designs.
- a flexible transmission element which transmits tensile forces, is provided as the means for transmitting the operating force which acts on the operating lever and is transmitted to the locking system.
- a Bowden cable is preferably proposed. The length of the Bowden cable is limited.
- decoupling devices based on a cable pull system with a pulley have the disadvantage that a decoupling process only with an increased expenditure of force (> 400 N) is possible, since such cable pull systems have a relatively high frictional resistance, especially in roller bearings.
- only small levers can be implemented - if at all.
- the invention is based on the object of specifying an actuating device for locking an automatic central buffer coupling, in which a central buffer coupling can be manually unlocked with relatively low decoupling forces, in particular below 200 N.
- the actuating device should be constructed as simply as possible and designed to be maintenance-free.
- the invention relates in particular to an actuating device for locking an automatic central buffer coupling, this actuating device dispensing with the use of a cable pull system with pulleys, etc. Rather, a lever mechanism is used to transmit a torque generated when an actuating arm is actuated to an actuating shaft with which the locking system of the lock of the automatic central buffer coupling to be actuated is connected, in particular operatively connected.
- the actuating arm of the actuating device according to the invention can in particular be actuated manually and is articulated on a housing of the coupling head of the central buffer coupling so that it can pivot about a first axis of rotation.
- the actuating shaft which is operatively connected to the locking system of the lock of the central buffer coupling to be actuated, is parallel to the first axis of rotation extending second axis of rotation relative to the housing of the coupling head of the central buffer coupling rotatably mounted.
- the actuating device according to the invention is a particularly compact device which is also suitable for being subsequently attached to a coupling head of a central buffer coupling. Because cable systems with pulleys are deliberately omitted, the actuating device works with particularly little wear.
- the actuation device can also be operated outside of the Bern area.
- Another advantage that should be mentioned is that the actuating device according to the invention is characterized by its simple handling.
- the lever mechanism allows a latching position (locking position) by means of an over-center locking.
- the lever mechanism preferably has a coupling arm that is connected or connectable to the actuating shaft, preferably in a fixed and in particular non-rotatable manner.
- the coupling arm can be transferred from a first position in which the lock of the central buffer coupling is closed into a second position in which the lock of the central buffer coupling is open.
- a pretensioning element in particular in the form of a spring, is also preferably provided in order to pretension the coupling arm in the first position.
- the lever mechanism has at least one lever arm via which the actuating arm is operatively connected to the actuating shaft.
- the at least one lever arm is preferably articulated to the actuating arm in such a way that when the actuating arm is actuated, it is pivoted relative to the at least one lever arm about a third axis of rotation parallel to the first and second axis of rotation.
- the at least one lever arm is articulated to the coupling arm in such a way that when the actuating arm is actuated the at least one lever arm is pivoted relative to the coupling arm about a fourth axis of rotation parallel to the first and second axis of rotation.
- a guide is preferably assigned to the at least one lever arm in order to guide a movement of the at least one lever arm when the actuating arm is actuated.
- the guide can have a guide slot that extends in particular in a straight line and in which a guide block connected to the at least one lever arm is accommodated in a linearly movable manner.
- the at least one lever arm has a straight area articulated on the coupling arm so that it can pivot about the fourth axis of rotation relative to the coupling arm and a curved area articulated on the actuation arm so that it can pivot about the third axis of rotation relative to the actuation arm having.
- FIG. 1 shows schematically and in a top view a first exemplary embodiment of the actuating device according to the invention in an over-center position of the actuating arm, in which the lock of the central buffer coupling is closed;
- FIG. 2 schematically and in a top view the exemplary embodiment of the actuating device according to the invention according to FIG. 1 in a state in which the actuating arm has been transferred into the second position in which the lock of the central buffer coupling is open
- FIG. 3 schematically and in a plan view a second exemplary embodiment of the actuation according to the invention Device in an over-center position, in which the actuating arm is in its first position, in which the lock of the central buffer coupling is closed
- FIG. 4 schematically and in a top view the exemplary embodiment of the actuating device according to the invention according to FIG. 3 in a state in which the actuating arm is in the second position, in which the lock of the central buffer coupling is open
- FIG. 5 schematically and in an isometric view the actuating device according to FIG. 3.
- the exemplary embodiments of the actuating device according to the invention shown in the drawings are each shown in a state in which the actuating devices are mounted on a coupling head (shown in dashed lines) of an automatic central buffer coupling of a track-guided vehicle.
- the exemplary embodiments of the actuating device 1 according to the invention are used for manual actuation of the lock of the associated central buffer coupling.
- the actuating devices 1 each have an actuating arm 2 that is pivotable about a first axis of rotation 3 on a housing 4 of the central buffer coupling.
- each actuating device 1 has an actuating shaft 6 which is rotatably mounted relative to the housing 4 of the central buffer coupling about a second axis of rotation 5 running parallel to the first axis of rotation 3 and which is operatively connected or operatively connectable to the closure of the central buffer coupling.
- a lever mechanism is used to connect, in particular to functionally connect, the actuating arm 2 to the actuating shaft 6.
- the lever mechanism serves to transmit a torque generated when the actuating arm 2 is actuated to the actuating shaft 6.
- the lever mechanism preferably has one coupling arm 8 that is fixedly and in particular non-rotatably connected or connectable to the actuating shaft 6.
- the coupling arm 8 is from a first position, in which the lock of the central buffer coupling is closed (cf. FIG. 1 and FIG. 3 or FIG. 5), into a second position (cf. 2 and 4), in which the lock of the central buffer coupling is open.
- a biasing element 9 in the form of a spring is used to bias the coupling arm 8 into the first position.
- the lever mechanism has a lever arm 10 via which the actuating arm 2 is operatively connected to the actuating shaft 6.
- the lever arm 10 is articulated to the actuating arm 2 in such a way that when the actuating arm 2 is actuated, it is pivoted relative to the at least one lever arm 10 about a third axis of rotation 11 parallel to the first and second axis of rotation 5.
- the lever arm 10 is articulated to the coupling arm 8 in such a way that when the actuating arm 2 is actuated, the at least one lever arm 10 relative to the coupling arm 8 is pivoted about a fourth axis of rotation 12 parallel to the first and second axis of rotation 3, 5.
- a carrier 13 which receives the pivot point belonging to the axis of rotation 3.
- the carrier is designed to absorb the bearing forces as a result of a decoupling process and thus serves as a torque support.
- the lever arm 10 is assigned a guide in order to correspondingly guide a movement of the lever arm 10 when the actuating arm 2 is actuated.
- the guide can have a straight guide slot in which a guide block connected to the lever arm 10 is accommodated in a linearly movable manner.
- the lever arm 10 to have a straight area pivoted on the coupling arm 8 about the fourth axis of rotation 12 relative to the coupling arm 8 and a straight area on the actuation arm 2 about the third axis of rotation 11 has curved region 16 pivotably articulated to the actuating arm 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Pivots And Pivotal Connections (AREA)
- Vibration Dampers (AREA)
- Mechanical Control Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019134906.0A DE102019134906A1 (de) | 2019-12-18 | 2019-12-18 | Vorrichtung zum betätigen des verschlusses einer automatischen mittelpufferkupplung |
| PCT/EP2020/075708 WO2021121692A1 (de) | 2019-12-18 | 2020-09-15 | Vorrichtung zum betätigen des verschlusses einer automatischen mittelpufferkupplung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4077094A1 true EP4077094A1 (de) | 2022-10-26 |
| EP4077094B1 EP4077094B1 (de) | 2024-06-05 |
Family
ID=72615825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20776085.1A Active EP4077094B1 (de) | 2019-12-18 | 2020-09-15 | Vorrichtung zum betätigen des verschlusses einer automatischen mittelpufferkupplung |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4077094B1 (de) |
| CN (1) | CN114845923B (de) |
| DE (1) | DE102019134906A1 (de) |
| HU (1) | HUE068624T2 (de) |
| PL (1) | PL4077094T3 (de) |
| WO (1) | WO2021121692A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102024204907A1 (de) * | 2024-05-27 | 2025-11-27 | Kb Intellectual Property Gmbh & Co. Kg | Aktuatoreinheit sowie Kupplungssystem und Schienenfahrzeugeinheit mit einer solchen Aktuatoreinheit |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE57770C (de) * | SCHMIDT-BLEEKER in Lingen a. d. Ems, Am Bahnhofe | Kniehebel zum Kuppeln von Lokomotive und Tender | ||
| GB358222A (en) * | 1929-09-09 | 1931-10-08 | Nat Malleable & Steel Castings | Improvements in or relating to railway car couplers |
| GB419590A (en) * | 1934-04-23 | 1934-11-14 | Scharfenbergkupplung Ag | Improvements in or relating to automatic vehicle couplings |
| GB1207894A (en) * | 1968-02-12 | 1970-10-07 | Mini Verkehrswesen | Locking mechanism for automatic central buffer couplings of rail vehicles |
| NL7205144A (de) * | 1971-11-08 | 1973-05-10 | ||
| US6189714B1 (en) * | 1998-10-19 | 2001-02-20 | Westinghouse Air Brake Company | Apparatus for connecting a device into a brake pipe hose connection between railway cars and/or locomotives |
| DE10020351A1 (de) * | 2000-04-26 | 2001-11-08 | Knorr Bremse Systeme | Betätigungsvorrichtung für eine Umstellautomatik und/oder ein Riegelsystem einer automatischen Kupplung |
| CH703319B1 (de) * | 2006-08-29 | 2011-12-30 | Schwab Verkehrstechnik Ag | Kupplungskopf für Schienenfahrzeuge. |
| CN201136515Y (zh) * | 2007-12-18 | 2008-10-22 | 中国北车集团四方车辆研究所 | 用于密接式车钩的连杆式自动解钩装置 |
| CN201999006U (zh) * | 2009-11-09 | 2011-10-05 | 青岛四方车辆研究所有限公司 | 铁路车辆钩缓装置的连挂系统 |
| EP2390156B1 (de) * | 2010-05-26 | 2012-09-26 | Voith Patent GmbH | Kupplungskopf für ein spurgeführtes Fahrzeug |
| SE535890C2 (sv) * | 2011-06-09 | 2013-02-05 | Ego Int Bv | Koppelhuvud med koppelhus tillverkat av plåt. |
| WO2014116492A1 (en) * | 2013-01-22 | 2014-07-31 | Ancra International Llc | Remote release mechanism for tow fitting |
| DE102013019503C5 (de) * | 2013-11-21 | 2018-10-18 | Audi Ag | Schwenkvorrichtung zum Verschwenken eines Funktionselementes eines Fahrzeugs sowie Fahrzeug mit einer solchen Schwenkvorrichtung |
| CN206589896U (zh) * | 2016-12-29 | 2017-10-27 | 比亚迪股份有限公司 | 车钩连钩解钩组件和具有其的轨道交通系统 |
| CN106985877B (zh) * | 2016-12-29 | 2018-03-27 | 比亚迪股份有限公司 | 车钩组件和具有其的跨坐式轨道列车 |
| CN208530582U (zh) * | 2018-06-29 | 2019-02-22 | 比亚迪股份有限公司 | 车钩自动解钩机构及具有其的轨道车辆 |
-
2019
- 2019-12-18 DE DE102019134906.0A patent/DE102019134906A1/de active Pending
-
2020
- 2020-09-15 CN CN202080089897.3A patent/CN114845923B/zh active Active
- 2020-09-15 WO PCT/EP2020/075708 patent/WO2021121692A1/de not_active Ceased
- 2020-09-15 HU HUE20776085A patent/HUE068624T2/hu unknown
- 2020-09-15 PL PL20776085.1T patent/PL4077094T3/pl unknown
- 2020-09-15 EP EP20776085.1A patent/EP4077094B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4077094B1 (de) | 2024-06-05 |
| HUE068624T2 (hu) | 2025-01-28 |
| PL4077094T3 (pl) | 2024-11-12 |
| WO2021121692A1 (de) | 2021-06-24 |
| DE102019134906A1 (de) | 2021-06-24 |
| CN114845923A (zh) | 2022-08-02 |
| CN114845923B (zh) | 2026-02-03 |
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