EP2236384B1 - Locking components for position tongue lock devices, position tongue lock device and points with position tongue lock device - Google Patents

Locking components for position tongue lock devices, position tongue lock device and points with position tongue lock device Download PDF

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Publication number
EP2236384B1
EP2236384B1 EP20100158208 EP10158208A EP2236384B1 EP 2236384 B1 EP2236384 B1 EP 2236384B1 EP 20100158208 EP20100158208 EP 20100158208 EP 10158208 A EP10158208 A EP 10158208A EP 2236384 B1 EP2236384 B1 EP 2236384B1
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EP
European Patent Office
Prior art keywords
interlocking
closure
tongue
component
switch
Prior art date
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Not-in-force
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EP20100158208
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German (de)
French (fr)
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EP2236384A2 (en
EP2236384A3 (en
Inventor
Frank Bornscheuer
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.)
CDP Bharat Forge GmbH
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CDP Bharat Forge GmbH
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Publication of EP2236384A2 publication Critical patent/EP2236384A2/en
Publication of EP2236384A3 publication Critical patent/EP2236384A3/en
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Publication of EP2236384B1 publication Critical patent/EP2236384B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points

Definitions

  • the invention relates to a closure component for a setting tongue closing device for switches, a positioning tongue closure device with such a closure component and a switch with such a locking device.
  • jacking closure devices for the control and fixation of switches, such as railway switches, is well known in the art.
  • Such positioning-locking devices serve, depending on the given directional choice, to use a positioning tab to a corresponding adjacent stock rail and hold there or move the positioning tab by a certain distance from the stock rail and hold in this remote position.
  • Conventional position-closure devices are used, for example, in US Pat EP-A-0 624 508 and the DE-A-40 14 249 described.
  • Post-closure devices typically include multiple closure components, such as, for example Closures, pusher bars, closure clips, tongue plungers, etc., which at least partially interact or cooperate with one another during operation of the closure device and move relative to one another.
  • closure components such as, for example Closures, pusher bars, closure clips, tongue plungers, etc.
  • the friction forces which occur at the respective contact surfaces of these closure components relative to one another or to other elements of the closure device or the diverter can make it considerably more difficult to set the diverter.
  • the DE-C-195 02 105 proposed to provide the sliding surfaces of a closure clip of a Steilzungen closure device with a coating of molybdenum.
  • molybdenum coatings can generally be formed only very thin, for example, too tight a setting of the closure device lead to wear of the coating, whereby the actuating forces are increased due to increased frictional resistance and thus relubrication of the closure clip is required.
  • the invention has for its object to provide a reliable and stable closure component for a positioning latches closure device for points that provides high wear resistance and good sliding properties to reduce the restoring forces. It is also an object of the present invention to provide a long-life and easy-maintenance lug closure device and a shunt with such a luer lock device.
  • the closure component for a turnout closing device for switches comprises the features of claim 1.
  • sliding properties sliding behavior, sliding friction
  • a coating material with better sliding properties in such a sliding movement has a lower friction than a material with poorer sliding properties, so that less force is required to carry out the movement. Since a different material is used for the closure component core than for the coating, the respective material properties can be adjusted independently of one another specifically to the requirements in the operation of the positioning tong closure device.
  • a material having high strength and material elasticity may be selected so as to reduce the vulnerability of the fastener component and to ensure a long life of the fastener device.
  • a material having better sliding properties is used, so that the frictional forces generated at the sliding contact surfaces of the closure component can be kept low, resulting in reduced wear of the component and low required actuating forces when using the closure device. Since the need for regular lubrication of the closure component thus eliminated, also the maintenance is considerably simplified.
  • the closure component may optionally be provided with the coating only at the portions where it is in sliding contact with at least one other element of the setting tongue closure device and / or the switch, or over its entire surface.
  • the coating material is needed, which may reduce the cost of the closure component, while in the latter case may simplify the manufacture of the component becomes. Since the use of the closure component only their sliding properties at the respective contact surfaces for the operation of the closure device of importance, both embodiments offer to the same extent the above-described advantageous effects of the invention.
  • the coating is applied to the closure component core by build-up welding, a reliable and stable connection of these two elements is ensured even under increased requirements, such as large forces acting on the elements.
  • build-up welding is a simple and reliable technique that requires virtually no dimensional or structural limitations of the coating and component core. For example, the thickness of the coating is freely selectable over a wide range.
  • build-up welding enables fast, uncomplicated and cost-effective production of the closure component.
  • the material of the job-welded coating is a plain bearing material, namely an aluminum bronze.
  • Sliding bearing materials have good sliding properties and can be easily and reliably applied to a closure component core by build-up welding. Since according to the invention, only the coating of the closure component consists of a plain bearing material, the component can also be produced inexpensively.
  • the closure component according to the invention may be, for example, a closure box or a closure piece or a slider rod or a slider rod part or a closure clip or a clip or a reed clip (tongue block).
  • These elements are usually in sliding contact with each other and / or with other elements of the Stellzonne-closure device and / or the switch and in the operation of the Stellzungen-closure device and thus exposed to high wear.
  • poor sliding properties of these elements ie high frictional forces on the contact surfaces with other parts, can lead to a considerable increase in the required actuating forces during operation of the closure device.
  • the above-described effects of the invention can thus be used particularly advantageously in these closure components.
  • the closure component according to the invention may be a component which fulfills the function of one or more of the above-mentioned elements.
  • the closure component core is made of a hard metal, preferably steel. This allows a particularly stable and robust construction of the closure component and thus ensures a long life of the positioning tab closure device.
  • a steel closure component core with a coating of aluminum bronze. These two materials can be reliably and simply joined together by build-up welding and offer a closure component with a high degree of stability and very good sliding properties.
  • closure component core may be a forging, such as a steel forgings.
  • forgings have higher strength and material elasticity over castings, whereby a reduction in the susceptibility or frequency of closure component can be achieved.
  • a turntable closing device for turnouts according to the invention comprises at least one closure component as described above and thus offers the above-described advantageous effects of the invention, such as a high wear resistance, a long life, low required restoring forces and a simple maintenance.
  • the positioning tab closure device comprises a plurality of closure components according to the invention, the various components may comprise identical or different coating materials of urd or core materials.
  • the choice of materials, in particular of the coating targeted to the respective element or the respective elements of the Stellzept-closure device and / or the switch, with which / which the corresponding closure component is in sliding contact, are tuned.
  • closure components which are in sliding contact with one another
  • they are each constructed in accordance with the invention and consequently have an application-welded coating with better sliding properties to one another at least at the contact surfaces. In this way, the frictional forces between the components are minimized, which results in a further reduction of the actuating forces and extension of the life of the locking latch device.
  • the locking device comprises a locking element for locking a positioning tongue and a slider rod, which cooperates with the closure element, wherein the closure element and / or the slide rod is a closure component according to the invention.
  • the closure element and the slide rod are constructed according to the invention.
  • the closure member may be, for example, a closure clip or the like.
  • the post-closure device may include a closure member (locking clip) for locking a positioning tab, a pusher rod cooperating with the closure member, and a fastener attached to a stock rail of the switches comprising, wherein the closure element and / or the slider rod and / or the closure piece is a closure component according to the invention.
  • a closure member locking clip
  • the closure element and / or the slider rod and / or the closure piece is a closure component according to the invention.
  • at least two, more preferably all three, of these closure components are constructed in accordance with the invention, whereby the further advantages set forth above can be achieved.
  • the locking tongue closure device comprises a closure element (locking clip) for locking a positioning tongue, a slider rod cooperating with the closure element, a closure piece attached to a stock rail of the switch and a tongue block connected to the positioning tongue and the closure element
  • Closure element and / or the slide rod and / or the closure piece and / or the tongue block is a closure component according to the invention.
  • at least two, particularly preferably at least three and better still all four of these closure components are constructed in accordance with the invention. In this way, the further advantages described in detail above can be achieved.
  • the slide rod is constructed as a closure component according to the invention and is slidably on a support with a flat support surface.
  • Such a construction of the locking tab lock device allows the slide bar to be displaced relative to the low friction support.
  • this configuration over embodiments of the closure device, which use rollers as a support for the slide bar, the advantage that the bearing surface between rod and support, since it is flat, is significantly increased. The support is thereby not in the closure of the locking tongues closure device in the Push rod support side pressed, as it may be the case with Rollenauflagern, which bear only a line contact on the slide rod.
  • the support surface of the support may consist of a plain bearing material, which leads to a further reduction of the friction between the slide rod and the bearing surface.
  • the order-welded coating of the slide rod may consist of the same plain bearing material as the bearing surface of the support.
  • a switch according to the invention comprises a locking tongue closure device according to the invention as described above and thus offers the above-described advantageous effects of the invention, such as a high wear resistance, a long life, low required restoring forces and easy maintenance.
  • the risk of an accident caused by a switch malfunction is also significantly reduced.
  • Fig. 7 the function of a switch according to the invention is shown.
  • Two jaw rails 10 are arranged at a defined distance from each other, the so-called track, to each other.
  • the setting tongues 12 are moved so that one of the two positioning tongues 12 is in contact with the associated stock rail 10, while the other positioning tab 12 is away from the associated other stock rail 10 by a suitable distance, the so-called tongue surcharge.
  • the switch on the left is closed, the switch on the right is open.
  • the simultaneous control of the two switch closures is done by two equal slide rod halves 14, which are connected via a e.g. insulated connecting strap 15 are connected together.
  • a drive linkage 17 which is by a servomotor (not shown) is moved.
  • the interconnected slide rod halves 14 are on guide rollers 20, whose axis is fixed in each case in the closure piece 22.
  • the guide rollers 20 are replaced by supports with a flat support surface on which the slide rod 14 with its lower surface practically frictionless rests, wherein the bearing surface of the bearing consists of a plain bearing material, such as aluminum bronze.
  • Fig. 1 shows a cross section through the Stellzonne-closure device according to the invention. As is clear from the position of the positioning tongue 12 to the adjacent stock rail 10, the closure device is in the locked, closed state.
  • the control of the switch follows via the slide rod 14, which can be performed in a hollow sleeper (not shown).
  • the slider rods 14 is guided between the forked ends of a forged tongue block 18 on the one hand and the forked ends of the locking clip 16.
  • the slider bar 14 rolls on a guide roller 20 which is pushed onto a pin 24, or slides alternatively via a bearing bearing surface made of a plain bearing material.
  • the bolt 24 is guided through holes and bushings inserted in a forged closure piece 22 and prevented by securing splint slipping out.
  • the vertical position of the guide roller 20 by means of an eccentric bush or an eccentric pin (not shown) can be adjusted.
  • the two slide rods 14 for both jaw rails 10 of a switch are interconnected by the intermediate piece 15 of electrically non-conductive material (see Fig. 7 ) and are moved by an electric drive for the switch blade pusher bars 14. Due to the line contact between the guide roller 20 and the pusher bar 14, the friction is negligible and therefore no plain bearing material coating or lubrication of the lower surface of the pusher bar 14 is required.
  • the shape of the pusher bar 14 is specifically tailored to the shape of the closure clip 16, as will be described in conjunction with the explanation of the operation.
  • the closure clip 16 is rotatably connected to the tongue block 18 by an eccentric pin 26.
  • the bolt 26 is guided in a rubber-metal bushing 28, as best of Fig. 6 is apparent.
  • Spring plugs secure the bolt from falling out axially.
  • the closure clip 16 is passed through an opening in the closure piece 22, as shown Fig. 3 becomes clear.
  • a downward fork of the locking clip 16 serves as a guide (driver) for the slide rod 14.
  • Der axial distance d between the closure clip 16 and the closure piece 22 is dimensioned sufficiently large, preferably by 30 mm in size to ensure a balance of the relative movement between the adjusting tongue 12 and the stock rail 10.
  • the closure piece 22 is, as in the FIGS. 1 and 4 is shown firmly screwed to the stock rail 10.
  • a Meichenschraube 32 are fixed to the U-shaped web in a corresponding to the position of the standard holes of Deutsche Bahn two bolts.
  • the bolts of the switch screw 32 are inserted through the existing holes in the jaw rails, the closure piece 22 attached to the threaded bolts and fastened the closure piece 22 with turnouts 34.
  • Turnout nuts have a defined wrench size, for which the suitable tool is available in the limited reminder set of the Meichenscher of Irish Bahn.
  • the rotational movement is prevented by a locking plate 36.
  • the locking plate 36 is secured by a locking bolt 38, the bore is located centrally between the two standard holes for the bolts.
  • the central bore for the bolt in the closure piece 22 is as shown Fig. 3 it can be seen formed as a slot to fix the symmetrical closure piece 22 on both sides of the stock rail 10 without having to use two different fasteners due to the non-symmetrical to the axis of the slide axis standard holes of Irish Bru.
  • Fig. 3 it can be seen formed as a slot to fix the symmetrical closure piece 22 on both sides of the stock rail 10 without having to use two different fasteners due to the non-symmetrical to the axis of the slide axis standard holes of Irish Bahn.
  • the closing clip 16 is rotatably connected to the tongue block 18.
  • At the positioning tongue 12 of the tongue block 18 is fixed by a screw connection.
  • the lock-clamp screw 40 has, as well as the turnout nuts 34, the key width adapted to the tool assortment of turnout locksmiths.
  • the clamp screw 40 passes through the tongue block 18 and the positioning tab 12 and is screwed into a through-internal thread of the tongue block 18. In the contact region of the tongue block 18 with the adjusting tongue 12, the clamping screw 40 is guided by an eccentric clamping bush 42 which is turned in a rotationally fixed manner into the setting tongue 12.
  • the distance between the positioning tongue 12 and the stock rail 10 can be adjusted.
  • the safety pin 48 which is inserted through a bore in the tongue block 18.
  • the locking pin 48 is secured against falling out by a split pin 50 and protrudes, as from the Fig. 1 and 4 is clear, far into the area of the staple screw 40, so that they can not come out of the hole without the locking pin 48 has been previously removed.
  • the slide rod 14 To operate the switch lock the slide rod 14 is moved axially.
  • the locking clip 16 has a shoulder 16a, which cooperates with the nose (the driver) 14a of the slide rod when opening the switch lock.
  • Fig. 1 the slide rod 14 is shown in a position as it exists after closing the switch closure.
  • An axial displacement of the slider rod 14 to the right brings the nose (the driver) 14 a and the shoulder 16 a in contact with each other and generates a torque which causes a rotation of the closure clip 16 counterclockwise.
  • the shoulder 16b of the locking clip 16 separates from the projection 22a of the locking piece 22 and the locking clip 16 falls under its weight into the recess of the slider rod 14 formed by the shoulder 14b or is pressed down by the nose (the catch) 14a, so that the Surface 16 d of the closure clip 16 comes to lie on the surface 18 a of the tongue block 18.
  • the locking of the closure piece 22 is released with the tongue block 18 and the soft closure can be opened.
  • the slide rod 14 is pulled in the axial direction to the left until the shoulder 14 b of the slide rod abuts against the shoulder 16 c of the closure clip 16 and causes the closure clip 16 to slide onto the slide rod 14.
  • the locking clip 16 is rotated clockwise about its pivot point (pin 26) and the shoulder 16b engages around the projection 22a.
  • the closure piece 22 is again firmly connected to the tongue block 18 and the positioning tongue 12 is fixed in contact with the stock rail 10.
  • the surfaces of the closure components that are in sliding contact with each other namely the shoulder 16a of the locking clip 16 and the nose 14a of the slider rod 14, the shoulder 16b of the locking clip 16 and the projection 22a of the locking piece 22, the shoulder 14b of the slider rod 14 and the heel 16c of the closure clip 16 and the surface 16d of the closure clip 16 and the surface 18a of the tongue clip 18 are provided with an overlay-welded coating of a plain bearing material illustrated in the figures as a blackened area.
  • a coating of aluminum bronze is, for example, custom-welded on the sliding contact portions of a component core formed as a steel forging.
  • the thickness of the coating is in the range of 1-5 mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Slide Switches (AREA)

Description

Gebiet der ErfindungField of the invention

Die Erfindung betrifft eine Verschlusskomponente für eine Stellzungen-Verschlussvorrichtung für Weichen, eine Stellzungen-Verschlussvorrichtung mit einer solchen Verschlusskomponente und eine Weiche mit einer solchen Stellzungen-Verschlussvorrichtung.The invention relates to a closure component for a setting tongue closing device for switches, a positioning tongue closure device with such a closure component and a switch with such a locking device.

Stand der TechnikState of the art

Die Verwendung von Stellzungen-Verschlussvorrichtungen für die Steuerung und Fixierung von Weichen, wie zum Beispiel Eisenbahnweichen, ist in der Technik bekannt. Solche Stellzungen-Verschlussvorrichtungen dienen dazu, je nach vorgegebener Richtungswahl, eine Stellzunge an eine entsprechende benachbarte Backenschiene heranzuziehen und dort festzuhalten bzw. die Stellzunge um einen bestimmten Abstand von der Backenschiene wegzubewegen und in dieser entfernten Position festzuhalten. Konventionelle Stellungen-Verschlussvorrichtungen werden zum Beispiel in der EP-A-0 624 508 und der DE-A-40 14 249 beschrieben.The use of jacking closure devices for the control and fixation of switches, such as railway switches, is well known in the art. Such positioning-locking devices serve, depending on the given directional choice, to use a positioning tab to a corresponding adjacent stock rail and hold there or move the positioning tab by a certain distance from the stock rail and hold in this remote position. Conventional position-closure devices are used, for example, in US Pat EP-A-0 624 508 and the DE-A-40 14 249 described.

Stellzungen-Verschlussvorrichtungen umfassen gewöhnlich mehrere Verschlusskomponenten, wie zum Beispiel Verschlussstücke, Schieberstangen, Verschlussklammern, Zungenkloben (Stellzungenkloben) usw., die beim Betrieb der Verschlussvorrichtung zumindest teilweise miteinander wechselwirken bzw. zusammenwirken und sich relativ zueinander bewegen. Die hierbei an den jeweiligen Kontaktflächen dieser Verschlusskomponenten zueinander oder zu anderen Elementen der Verschlussvorrichtung oder der Weiche auftretenden Reibungskräfte können ein Stellen der Weiche erheblich erschweren. Des Weiteren kann das Auftreten einer solchen Reibung, insbesondere in Folge der hohen Kräfte, die beim Stellen der Weiche auf die Verschlussvorrichtung wirken, und der erforderlichen Häufigkeit der Betätigung der Vorrichtung, zu einer schnellen Abnutzung der Verschlusskomponenten und somit zu einer möglichen Fehlfunktion der Verschlussvorrichtung führen. Um einen solchen Verschleiß zu verhindern und die benötigten Stellkräfte zu verringern, ist es notwendig, die entsprechenden Kontaktflächen der Verschlusskomponenten mit geeigneten Schmiermitteln zu schmieren, was jedoch eine regelmäßige und aufwendige Wartung der Verschlussvorrichtung erforderlich macht.Post-closure devices typically include multiple closure components, such as, for example Closures, pusher bars, closure clips, tongue plungers, etc., which at least partially interact or cooperate with one another during operation of the closure device and move relative to one another. The friction forces which occur at the respective contact surfaces of these closure components relative to one another or to other elements of the closure device or the diverter can make it considerably more difficult to set the diverter. Furthermore, the occurrence of such a friction, in particular due to the high forces acting on the closure device when placing the switch, and the required frequency of actuation of the device, can lead to rapid wear of the closure components and thus to a possible malfunction of the closure device , In order to prevent such wear and reduce the required actuating forces, it is necessary to lubricate the corresponding contact surfaces of the closure components with suitable lubricants, but this requires a regular and expensive maintenance of the closure device required.

Um die Wartung zu vereinfachen und das Erfordernis einer häufigen Schmierung der bewegten Teile zu vermeiden, wird in der DE-C-195 02 105 vorgeschlagen, die Gleitflächen einer Verschlussklammer einer Steilzungen-Verschlussvorrichtung mit einer Beschichtung aus Molybdän zu versehen. Da solche Molybdänbeschichtungen jedoch im allgemeinen nur sehr dünn ausgebildet werden können, kann zum Beispiel eine zu stramme Einstellung der Verschlussvorrichtung zu einer Abnutzung der Beschichtung führen, wodurch die Stellkräfte aufgrund vergrößerten Reibwiderstands erhöht werden und somit ein Nachschmieren der Verschlussklammer erforderlich wird.To simplify maintenance and avoid the need for frequent lubrication of the moving parts, the DE-C-195 02 105 proposed to provide the sliding surfaces of a closure clip of a Steilzungen closure device with a coating of molybdenum. However, since such molybdenum coatings can generally be formed only very thin, for example, too tight a setting of the closure device lead to wear of the coating, whereby the actuating forces are increased due to increased frictional resistance and thus relubrication of the closure clip is required.

Des Weiteren ist es aus der Technik bekannt, die bewegten Verschlusskomponenten einer Stellzungen-Verschlussvorrichtung vollständig aus einem Gleitlagermaterial, wie zum Beispiel Aluminiumbronze, herzustellen, um so die Gleiteigenschaften der Komponenten zu verbessern. Ein solcher Ansatz ist jedoch sehr kostenaufwendig. Außerdem werden insbesondere Verschlusskomponenten aus Aluminiumbronze im allgemeinen als Gussstücke ausgebildet, die eine geringere Festigkeit und Werkstoffelastizität als zum Beispiel Schmiedestücke aufweisen, was zu einer erhöhten Schadenshäufigkeit führen kann.Furthermore, it is known in the art to make the moving closure components of a locking tab closure device entirely from a plain bearing material, such as aluminum bronze, for ease of sliding to improve the components. However, such an approach is very costly. In addition, aluminum bronze fasteners, in particular, are generally formed as castings having lower strength and material elasticity than, for example, forgings, which can lead to increased frequency of damage.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt die Aufgabe zugrunde, eine zuverlässige und stabile Verschlusskomponente für eine Stellzungen-Verschlussvorrichtung für Weichen zur Verfügung zu stellen, die eine hohe Verschleißfestigkeit sowie gute Gleiteigenschaften zur Verringerung der Stellkräfte bietet. Des Weiteren sollen eine Stellzungen-Verschlussvorrichtung mit langer Lebensdauer und einfacher Wartung sowie eine Weiche mit einer solchen Stellzungen-Verschlussvorrichtung bereitgestellt werden.The invention has for its object to provide a reliable and stable closure component for a positioning latches closure device for points that provides high wear resistance and good sliding properties to reduce the restoring forces. It is also an object of the present invention to provide a long-life and easy-maintenance lug closure device and a shunt with such a luer lock device.

Diese Aufgabe wird durch eine Verschlusskomponente mit den Merkmalen des Anspruchs 1, durch eine Stellzungen-Verschlussvorrichtung mit den Merkmalen des Anspruchs 5 und durch eine Weiche mit den Merkmalen des Anspruchs 12 gelöst. Vorteilhafte Ausführungsformen folgen aus den übrigen Ansprüchen.This object is achieved by a closure component having the features of claim 1, by a locking tongue closure device having the features of claim 5 and by a switch with the features of claim 12. Advantageous embodiments follow from the remaining claims.

Die Verschlusskomponente für eine Stellzungen-Verschlussvorrichtung für Weichen gemäß der Erfindung weist die Merkmale des Anspruchs 1 auf. Der Begriff "Gleiteigenschaften" (Gleitverhalten, Gleitreibung) bezeichnet hierbei die Eignung des Beschichtungsmaterials entlang eines, beispielsweise metallischen, Materials zu gleiten, wenn es mit diesem in Kontakt (Druckkontakt) ist. Ein Beschichtungsmaterial mit besseren Gleiteigenschaften weist bei einer solchen Gleitbewegung eine geringere Reibung als ein Material mit schlechteren Gleiteigenschaften auf, so dass weniger Kraftaufwand zur Durchführung der Bewegung erforderlich ist.
Da für den Verschlusskomponentenkern ein anderes Material als für die Beschichtung verwendet wird, können die jeweiligen Materialeigenschaften unabhängig voneinander gezielt auf die Erfordernisse beim Betrieb der Stellzungen-Verschlussvorrichtung abgestimmt werden. Zum Beispiel kann für den Komponentenkern ein Material mit einer hohen Festigkeit und Werkstoffelastizität gewählt werden, um so die Schadensanfälligkeit der Verschlusskomponente zu verringern und eine lange Lebensdauer der Verschlussvorrichtung zu gewährleisten. Als Beschichtungsmaterial wird ein Material mit besseren Gleiteigenschaften verwendet, so dass die an den Gleitkontaktflächen der Verschlusskomponente entstehenden Reibungskräfte gering gehalten werden können, was eine verminderte Abnutzung der Komponente und niedrige erforderliche Stellkräfte beim Einsatz der Verschlussvorrichtung zur Folge hat. Da die Notwendigkeit einer regelmäßigen Schmierung der Verschlusskomponente somit entfällt, wird außerdem die Wartung erheblich vereinfacht.The closure component for a turnout closing device for switches according to the invention comprises the features of claim 1. Of the The term "sliding properties" (sliding behavior, sliding friction) here denotes the suitability of the coating material to slide along a, for example metallic, material when it is in contact with it (pressure contact). A coating material with better sliding properties in such a sliding movement has a lower friction than a material with poorer sliding properties, so that less force is required to carry out the movement.
Since a different material is used for the closure component core than for the coating, the respective material properties can be adjusted independently of one another specifically to the requirements in the operation of the positioning tong closure device. For example, for the component core, a material having high strength and material elasticity may be selected so as to reduce the vulnerability of the fastener component and to ensure a long life of the fastener device. As the coating material, a material having better sliding properties is used, so that the frictional forces generated at the sliding contact surfaces of the closure component can be kept low, resulting in reduced wear of the component and low required actuating forces when using the closure device. Since the need for regular lubrication of the closure component thus eliminated, also the maintenance is considerably simplified.

Die Verschlusskomponente kann hierbei zum Beispiel wahlweise nur an den Abschnitten, an denen sie mit zumindest einem anderen Element der Stellzungen-Verschlussvorrichtung und/oder der Weiche in Gleitkontakt ist, oder über ihre gesamte Oberfläche mit der Beschichtung versehen sein. In ersterem Fall wird eine geringere Menge des Beschichtungsmaterials benötigt, was die Kosten der Verschlusskomponente senken kann, während in letzterem Fall unter Umständen die Herstellung der Komponente vereinfacht wird. Da bei der Verwendung der Verschlusskomponente nur deren Gleiteigenschaften an den jeweiligen Kontaktflächen für den Betrieb der Verschlussvorrichtung von Bedeutung sind, bieten beide Ausführungsformen in gleichem Maße die oben geschilderten vorteilhaften Effekte der Erfindung.For example, the closure component may optionally be provided with the coating only at the portions where it is in sliding contact with at least one other element of the setting tongue closure device and / or the switch, or over its entire surface. In the former case, a smaller amount of the coating material is needed, which may reduce the cost of the closure component, while in the latter case may simplify the manufacture of the component becomes. Since the use of the closure component only their sliding properties at the respective contact surfaces for the operation of the closure device of importance, both embodiments offer to the same extent the above-described advantageous effects of the invention.

Da die Beschichtung auf dem Verschlusskomponentenkern durch Auftragsschweißen aufgebracht ist, ist eine zuverlässige und stabile Verbindung dieser beiden Elemente auch unter erhöhten Anforderungen, wie zum Beispiel großen auf die Elemente wirkenden Kräften, gewährleistet. Außerdem ist das Auftragsschweißen eine einfache und zuverlässige Technik, die praktisch keine Einschränkungen der Abmessungen und des Aufbaus der Beschichtung und des Komponentenkerns erfordert. Zum Beispiel ist die Dicke der Beschichtung in einem großen Bereich frei wählbar. Zudem ermöglicht das Auftragsschweißen eine schnelle, unkomplizierte und kostengünstige Herstellung der Verschlusskomponente.Since the coating is applied to the closure component core by build-up welding, a reliable and stable connection of these two elements is ensured even under increased requirements, such as large forces acting on the elements. In addition, build-up welding is a simple and reliable technique that requires virtually no dimensional or structural limitations of the coating and component core. For example, the thickness of the coating is freely selectable over a wide range. In addition, build-up welding enables fast, uncomplicated and cost-effective production of the closure component.

Das Material der auftragsgeschweißten Beschichtung ist ein Gleitlagermaterial, nämlich eine Aluminiumbronze. Gleitlagermaterialien weisen gute Gleiteigenschaften auf und können einfach und zuverlässig durch Auftragsschweißen auf einen Verschlusskomponentenkern aufgebracht werden. Da gemäß der Erfindung nur die Beschichtung der Verschlusskomponente aus einem Gleitlagermaterial besteht, kann die Komponente zudem kostengünstig hergestellt werden.The material of the job-welded coating is a plain bearing material, namely an aluminum bronze. Sliding bearing materials have good sliding properties and can be easily and reliably applied to a closure component core by build-up welding. Since according to the invention, only the coating of the closure component consists of a plain bearing material, the component can also be produced inexpensively.

Die Verschlusskomponente gemäß der Erfindung kann beispielsweise ein Verschlusskasten oder ein Verschlussstück oder eine Schieberstange oder ein Schieberstangenteil oder eine Verschlussklammer oder eine Klammer oder ein Stellzungenkloben (Zungenkloben) sein. Diese Elemente sind gewöhnlich beim Betrieb der Stellzungen-Verschlussvorrichtung in Gleitkontakt miteinander und/oder mit anderen Elementen der Stellzungen-Verschlussvorrichtung und/oder der Weiche und somit einer hohen Abnutzung ausgesetzt. Außerdem können schlechte Gleiteigenschaften dieser Elemente, also hohe Reibungskräfte an deren Kontaktflächen mit anderen Teilen, zu einer erheblichen Erhöhung der erforderlichen Stellkräfte bei Betrieb der Verschlussvorrichtung führen. Die oben beschriebenen Effekte der Erfindung können somit bei diesen Verschlusskomponenten besonders vorteilhaft genutzt werden. Des Weiteren kann die Verschlusskomponente gemäß der Erfindung eine Komponente sein, welche die Funktion eines oder mehrerer der oben genannten Elemente erfüllt.The closure component according to the invention may be, for example, a closure box or a closure piece or a slider rod or a slider rod part or a closure clip or a clip or a reed clip (tongue block). These elements are usually in sliding contact with each other and / or with other elements of the Stellzungen-closure device and / or the switch and in the operation of the Stellzungen-closure device and thus exposed to high wear. In addition, poor sliding properties of these elements, ie high frictional forces on the contact surfaces with other parts, can lead to a considerable increase in the required actuating forces during operation of the closure device. The above-described effects of the invention can thus be used particularly advantageously in these closure components. Furthermore, the closure component according to the invention may be a component which fulfills the function of one or more of the above-mentioned elements.

Gemäß einer Ausführungsform der Erfindung ist der Verschlusskomponentenkern aus einem harten Metall, vorzugsweise aus Stahl. Dies ermöglicht einen besonders stabilen und robusten Aufbau der Verschlusskomponente und gewährleistet somit eine lange Lebensdauer der Stellzungen-Verschlussvorrichtung. Besonders vorteilhaft kann zum Beispiel ein Verschlusskomponentenkern aus Stahl mit einer Beschichtung aus Aluminiumbronze kombiniert werden. Diese beiden Materialien können zuverlässig und einfach durch Auftragsschweißen miteinander verbunden werden und bieten eine Verschlusskomponente mit einem hohen Maß an Stabilität und sehr guten Gleiteigenschaften.According to one embodiment of the invention, the closure component core is made of a hard metal, preferably steel. This allows a particularly stable and robust construction of the closure component and thus ensures a long life of the positioning tab closure device. For example, it is particularly advantageous to combine a steel closure component core with a coating of aluminum bronze. These two materials can be reliably and simply joined together by build-up welding and offer a closure component with a high degree of stability and very good sliding properties.

Außerdem kann der Verschlusskomponentenkern ein Schmiedestück, wie zum Beispiel ein Stahlschmiedestück, sein. Schmiedestücke weisen zum Beispiel gegenüber Gussstücken eine höhere Festigkeit und Werkstoffelastizität auf, wodurch eine Verringerung der Schadensanfälligkeit bzw. -häufigkeit der Verschlusskomponente erreicht werden kann.In addition, the closure component core may be a forging, such as a steel forgings. For example, forgings have higher strength and material elasticity over castings, whereby a reduction in the susceptibility or frequency of closure component can be achieved.

Eine Stellzungen-Verschlussvorrichtung für Weichen gemäß der Erfindung umfasst zumindest eine wie oben beschriebene Verschlusskomponente und bietet somit die oben bereits ausführlich dargestellten vorteilhaften Effekte der Erfindung, wie zum Beispiel eine hohe Verschleißfestigkeit, eine lange Lebensdauer, geringe erforderliche Stellkräfte und eine einfache Wartung. Falls die Stellzungen-Verschlussvorrichtung mehrere Verschlusskomponenten gemäß der Erfindung umfasst, können die verschiedenen Komponenten gleiche oder unterschiedliche Beschichtungsmaterialien urd/oder Kernmaterialien aufweisen. Hierbei kann die Wahl der Materialien insbesondere der Beschichtung gezielt auf das jeweilige Element bzw. die jeweiligen Elemente der Stellzungen-Verschlussvorrichtung und/oder der Weiche, mit dem/denen die entsprechende Verschlusskomponente in Gleitkontakt ist, abgestimmt werden. Bei zwei oder mehr Verschlusskomponenten, die miteinander in Gleitkontakt sind, ist es besonders vorteilhaft, wenn diese jeweils gemäß der Erfindung aufgebaut sind und folglich zumindest an den Kontaktflächen zueinander eine auftragsgeschweißte Beschichtung mit besseren Gleiteigenschaften aufweisen. Auf diese Weise werden die Reibungskräfte zwischen den Komponenten minimiert, was eine weitere Verringerung der Stellkräfte und Verlängerung der Lebensdauer der Stellzungen-Verschlussvorrichtung zur Folge hat.A turntable closing device for turnouts according to the invention comprises at least one closure component as described above and thus offers the above-described advantageous effects of the invention, such as a high wear resistance, a long life, low required restoring forces and a simple maintenance. If the positioning tab closure device comprises a plurality of closure components according to the invention, the various components may comprise identical or different coating materials of urd or core materials. Here, the choice of materials, in particular of the coating targeted to the respective element or the respective elements of the Stellzungen-closure device and / or the switch, with which / which the corresponding closure component is in sliding contact, are tuned. In the case of two or more closure components which are in sliding contact with one another, it is particularly advantageous if they are each constructed in accordance with the invention and consequently have an application-welded coating with better sliding properties to one another at least at the contact surfaces. In this way, the frictional forces between the components are minimized, which results in a further reduction of the actuating forces and extension of the life of the locking latch device.

Gemäß einer Ausführungsform der Erfindung umfasst die Stellzungen-Verschlussvorrichtung ein Verschlusselement zum Feststellen einer Stellzunge und eine Schieberstange, die mit dem Verschlusselement zusammenwirkt, wobei das Verschlusselement und/oder die Schieberstange eine Verschlusskomponente gemäß der Erfindung ist. Vorzugsweise sind sowohl das Verschlusselement als auch die Schieberstange gemäß der Erfindung aufgebaut. Ein solcher Aufbau der Verschlussvorrichtung bietet die oben bereits ausführlich beschriebenen weiteren Vorteile. Das Verschlusselement kann zum Beispiel eine Verschlussklammer oder dergleichen sein.According to one embodiment of the invention, the locking device comprises a locking element for locking a positioning tongue and a slider rod, which cooperates with the closure element, wherein the closure element and / or the slide rod is a closure component according to the invention. Preferably, both the closure element and the slide rod are constructed according to the invention. Such a construction of the closure device offers the further advantages already described in detail above. The closure member may be, for example, a closure clip or the like.

Des Weiteren kann die Stellzungen-Verschlussvorrichtung gemäß der Erfindung ein Verschlusselement (Verschlussklammer) zum Feststellen einer Stellzunge, eine Schieberstange, die mit dem Verschlusselement zusammenwirkt, und ein an einer Backenschiene der Weichen befestigtes Verschlussstück umfassen, wobei das Verschlusselement und/oder die Schieberstange und/oder das Verschlussstück eine Verschlusskomponente gemäß der Erfindung ist. Vorzugsweise sind zumindest zwei, besonders bevorzugt alle drei, dieser Verschlusskomponenten gemäß der Erfindung aufgebaut, wodurch die oben dargestellten weiteren Vorteile erzielt werden können.Further, the post-closure device according to the invention may include a closure member (locking clip) for locking a positioning tab, a pusher rod cooperating with the closure member, and a fastener attached to a stock rail of the switches comprising, wherein the closure element and / or the slider rod and / or the closure piece is a closure component according to the invention. Preferably, at least two, more preferably all three, of these closure components are constructed in accordance with the invention, whereby the further advantages set forth above can be achieved.

Gemäß einer Ausführungsform der Erfindung umfasst die Stellzungen-Verschlussvorrichtung ein Verschlusselement (Verschlussklammer) zum Feststellen einer Stellzunge, eine Schieberstange, die mit dem Verschlusselement zusammenwirkt, ein an einer Backenschiene der Weiche befestigtes Verschlussstück und einen mit der Stellzunge und dem Verschlusselement verbundenen Zungenkloben, wobei das Verschlusselement und/oder die Schieberstange und/oder das Verschlussstück und/oder der Zungenkloben eine Verschlusskomponente gemäß der Erfindung ist. Vorzugsweise sind zumindest zwei, besonders bevorzugt zumindest drei und besser noch alle vier dieser Verschlusskomponenten gemäß der Erfindung aufgebaut. Auf diese Weise können die oben ausführlich beschriebenen weiteren Vorteile erzielt werden können.According to one embodiment of the invention, the locking tongue closure device comprises a closure element (locking clip) for locking a positioning tongue, a slider rod cooperating with the closure element, a closure piece attached to a stock rail of the switch and a tongue block connected to the positioning tongue and the closure element Closure element and / or the slide rod and / or the closure piece and / or the tongue block is a closure component according to the invention. Preferably, at least two, particularly preferably at least three and better still all four of these closure components are constructed in accordance with the invention. In this way, the further advantages described in detail above can be achieved.

Gemäß einer Ausführungsform der Erfindung ist die Schieberstange als Verschlusskomponente gemäß der Erfindung aufgebaut und liegt verschiebbar auf einem Auflager mit ebener Auflagefläche auf. Ein solcher Aufbau der Stellzungen-Verschlussvorrichtung ermöglicht ein Verschieben der Schieberstange relativ zu dem Auflager mit geringer Reibung. Des Weiteren bietet diese Konfiguration gegenüber Ausführungsformen der Verschlussvorrichtung, die Rollen als Auflager für die Schieberstange verwenden, den Vorteil, dass die Auflagefläche zwischen Stange und Auflager, da sie eben ausgebildet ist, deutlich erhöht wird. Das Auflager wird dadurch auch bei Verschluss der Stellzungen-Verschlussvorrichtung nicht in die Schieberstangenauflageseite eingedrückt, wie es bei Rollenauflagern der Fall sein kann, die nur über einen Linienkontakt an der Schieberstange anliegen. Da bei der Verschlussvorrichtung gemäß dieser Ausführungsform ein solches Eindrücken, das zu einer erheblichen und dauerhaften Beschädigung der Schieberstange führen kann, zuverlässig verhindert wird, können die Verschleißfestigkeit und die Lebensdauer der Verschlussvorrichtung weiter erhöht werden. Die Auflagefläche des Auflagers kann aus einem Gleitlagermaterial bestehen, was zu einer weiteren Verringerung der zwischen Schieberstange und Auflagefläche entstehenden Reibung führt. Hierbei kann die auftragsgeschweißte Beschichtung der Schieberstange aus dem gleichen Gleitlagermaterial wie die Auflagefläche des Auflagers bestehen.According to one embodiment of the invention, the slide rod is constructed as a closure component according to the invention and is slidably on a support with a flat support surface. Such a construction of the locking tab lock device allows the slide bar to be displaced relative to the low friction support. Furthermore, this configuration over embodiments of the closure device, which use rollers as a support for the slide bar, the advantage that the bearing surface between rod and support, since it is flat, is significantly increased. The support is thereby not in the closure of the locking tongues closure device in the Push rod support side pressed, as it may be the case with Rollenauflagern, which bear only a line contact on the slide rod. In the case of the shutter device according to this embodiment, since such indentation, which can result in considerable and lasting damage to the slider rod, is reliably prevented, the wear resistance and the life of the shutter device can be further increased. The support surface of the support may consist of a plain bearing material, which leads to a further reduction of the friction between the slide rod and the bearing surface. Here, the order-welded coating of the slide rod may consist of the same plain bearing material as the bearing surface of the support.

Eine Weiche gemäß der Erfindung weist eine wie oben beschriebene Stellzungen-Verschlussvorrichtung gemäß der Erfindung auf und bietet somit die oben bereits eingehend erläuterten vorteilhaften Effekte der Erfindung, wie zum Beispiel eine hohe Verschleißfestigkeit, eine lange Lebensdauer, geringe erforderliche Stellkräfte und eine einfache Wartung. Bei Einsatz einer solchen Weiche in einem Schienennetz wird zudem das Risiko eines durch eine Weichenfehlfunktion ausgelösten Unfalls erheblich verringert.A switch according to the invention comprises a locking tongue closure device according to the invention as described above and thus offers the above-described advantageous effects of the invention, such as a high wear resistance, a long life, low required restoring forces and easy maintenance. When using such a switch in a rail network, the risk of an accident caused by a switch malfunction is also significantly reduced.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Nachfolgend wird die Erfindung rein beispielhaft anhand der beigefügten Figuren beschrieben, wobei

Fig. 1
einen Schnitt durch den Aufriss einer Stellzungen- Verschlussvorrichtung gemäß einer Ausführungsform der Erfindung zeigt;
Fig. 2
einen Schnitt durch Fig. 1 entlang der Linie A-A in Pfeilrichtung zeigt;
Fig. 3
die in Fig. 1 dargestellte Stellzungen- Verschlussvorrichtung in Pfeilrichtung X betrachtet zeigt;
Fig. 4
eine Draufsicht der in Fig. 1 gezeigten Stellzungen-Verschlussvorrichtung (Pfeilrichtung Y) zeigt;
Fig. 5
eine Teilansicht der Verbindung der Stellzunge mit dem Zungenkloben in Schnittdarstellung entlang der Linie B-B in Fig. 1 zeigt;
Fig. 6
eine Teilansicht der Verbindung der Verschlussklammer mit dem Zungenkloben als Schnittdarstellung entlang der Linie C-C in Fig. 1 zeigt; und
Fig. 7
die Funktion einer Weiche gemäß einer Ausführungsform der Erfindung anhand einer Gesamtdarstellung mit einem geschlossenen und einem geöffneten Weichenverschluss zeigt.
The invention will be described purely by way of example with reference to the accompanying drawings, wherein
Fig. 1
a section through the elevation of a Stellzungen- closure device according to an embodiment of the invention;
Fig. 2
a cut through Fig. 1 along the line AA in the direction of the arrow shows;
Fig. 3
in the Fig. 1 shown Stellzungen- closure device viewed in the direction of arrow X shows;
Fig. 4
a top view of the Fig. 1 shown Stellzungen-closure device (arrow Y);
Fig. 5
a partial view of the connection of the adjusting tongue with the tongue block in a sectional view along the line BB in Fig. 1 shows;
Fig. 6
a partial view of the connection of the closure clip with the tongue block as a sectional view along the line CC in Fig. 1 shows; and
Fig. 7
shows the function of a switch according to an embodiment of the invention with reference to an overall view with a closed and an open point closure.

Wege zur Ausführung der ErfindungWays to carry out the invention

In Fig. 7 ist die Funktion einer Weiche gemäß der Erfindung dargestellt. Zwei Backenschienen 10 sind in einem definierten Abstand voneinander, der sogenannten Spurweite, zueinander angeordnet. Je nach vorgegebener Fahrtrichtungswahl werden die Stellzungen 12 so bewegt, dass sich eine der beiden Stellzungen 12 im Kontakt zur zugehörigen Backenschiene 10 befindet, während sich die andere Stellzunge 12 um einen geeigneten Abstand, den sogenannten Zungenaufschlag, von der zugehörigen anderen Backenschiene 10 entfernt befindet. In Fig. 7 ist der links angeordnete Weichenverschluss geschlossen, der rechts angeordnete Weichenverschluss ist geöffnet.In Fig. 7 the function of a switch according to the invention is shown. Two jaw rails 10 are arranged at a defined distance from each other, the so-called track, to each other. Depending on the given direction of travel choice, the setting tongues 12 are moved so that one of the two positioning tongues 12 is in contact with the associated stock rail 10, while the other positioning tab 12 is away from the associated other stock rail 10 by a suitable distance, the so-called tongue surcharge. In Fig. 7 the switch on the left is closed, the switch on the right is open.

Die gleichzeitige Steuerung der beiden Weichenverschlüsse geschieht durch zwei gleiche Schieberstangenhälften 14, die über eine z.B. isolierte Verbindungslasche 15 miteinander verbunden sind. An der Verbindungslasche 15 greift ein Antriebsgestänge 17 an, welches von einem Stellmotor (nicht dargestellt) bewegt wird. Durch die Bewegung der Schieberstangen 14 und deren Zusammenwirken mit den Verschlussklammern 16, bzw. im geschlossenen Zustand auch mit dem Verschlussstück 22, werden die Weichenverschlüsse geöffnet bzw. verriegelt, wie später ausführlich erläutert werden wird.The simultaneous control of the two switch closures is done by two equal slide rod halves 14, which are connected via a e.g. insulated connecting strap 15 are connected together. At the connecting plate 15 engages a drive linkage 17 which is by a servomotor (not shown) is moved. By the movement of the slide rods 14 and their interaction with the closure clips 16, or in the closed state with the closure piece 22, the switch locks are opened or locked, as will be explained in detail later.

Wie aus Fig. 7 ersichtlich ist, liegen die miteinander verbundenen Schieberstangenhälften 14 auf Führungsrollen 20 auf, deren Achse jeweils im Verschlussstück 22 befestigt ist. Durch die Führung der miteinander verbundenen Schieberstangen 14 auf den Führungsrollen 20 wird eine beinahe reibungsfreie Bewegung der Schieberstangen während des Stellvorgangs erreicht. Bei einer weiteren Ausführungsform der Erfindung sind die Führungsrollen 20 durch Auflager mit ebener Auflagefläche ersetzt, auf denen die Schieberstange 14 mit ihrer unteren Oberfläche praktisch reibungsfrei verschiebbar aufliegt, wobei die Auflagefläche der Auflager aus einem Gleitlagermaterial, wie zum Beispiel Aluminiumbronze, besteht.How out Fig. 7 it can be seen, the interconnected slide rod halves 14 are on guide rollers 20, whose axis is fixed in each case in the closure piece 22. By guiding the interconnected slide rods 14 on the guide rollers 20 an almost frictionless movement of the slide rods is achieved during the adjustment process. In a further embodiment of the invention, the guide rollers 20 are replaced by supports with a flat support surface on which the slide rod 14 with its lower surface practically frictionless rests, wherein the bearing surface of the bearing consists of a plain bearing material, such as aluminum bronze.

Fig. 1 zeigt einen Querschnitt durch die Stellzungen-Verschlussvorrichtung gemäß der Erfindung. Wie aus der Lage der Stellzunge 12 zur benachbarten Backenschiene 10 deutlich ist, befindet sich die Verschlussvorrichtung im verriegelten, geschlossenen Zustand. Fig. 1 shows a cross section through the Stellzungen-closure device according to the invention. As is clear from the position of the positioning tongue 12 to the adjacent stock rail 10, the closure device is in the locked, closed state.

Die Steuerung der Weiche folgt über die Schieberstange 14, die in einer Hohlschwelle (nicht dargestellt) geführt werden kann. Die Schieberstangen 14 wird zwischen den gabelförmigen Enden eines geschmiedeten Zungenklobens 18 einerseits und den gabelförmigen Enden der Verschlussklammer 16 geführt. Zusätzlich rollt die Schieberstange 14 auf einer Führungsrolle 20, die auf einen Bolzen 24 aufgeschoben wird, oder gleitet alternativ über ein Auflager mit Auflagefläche aus einem Gleitlagermaterial. Der Bolzen 24 wird durch Bohrungen und eingesetzte Buchsen in einem geschmiedeten Verschlussstück 22 geführt und durch Sicherungssplinte am Herausrutschen gehindert. In einer bevorzugten Ausführungsform kann die vertikale Position der Führungsrolle 20 mit Hilfe einer Exzenterbuchse bzw. eines Exzenterbolzens (nicht dargestellt) eingestellt werden.The control of the switch follows via the slide rod 14, which can be performed in a hollow sleeper (not shown). The slider rods 14 is guided between the forked ends of a forged tongue block 18 on the one hand and the forked ends of the locking clip 16. In addition, the slider bar 14 rolls on a guide roller 20 which is pushed onto a pin 24, or slides alternatively via a bearing bearing surface made of a plain bearing material. The bolt 24 is guided through holes and bushings inserted in a forged closure piece 22 and prevented by securing splint slipping out. In a preferred embodiment, the vertical position of the guide roller 20 by means of an eccentric bush or an eccentric pin (not shown) can be adjusted.

Die beiden Schieberstangen 14 für beide Backenschienen 10 einer Weiche sind durch das Zwischenstück 15 aus elektrisch nicht leitendem Material miteinander verbunden (siehe Fig. 7) und werden durch einen Elektroantrieb für die Weichenzungen-Schieberstangen 14 bewegt. Aufgrund des Linienkontakts zwischen der Führungsrolle 20 und der Schieberstange 14 ist die Reibung vernachlässigbar gering und daher keine Gleitlagermaterialbeschichtung oder Schmierung der unteren Oberfläche der Schieberstange 14 erforderlich.The two slide rods 14 for both jaw rails 10 of a switch are interconnected by the intermediate piece 15 of electrically non-conductive material (see Fig. 7 ) and are moved by an electric drive for the switch blade pusher bars 14. Due to the line contact between the guide roller 20 and the pusher bar 14, the friction is negligible and therefore no plain bearing material coating or lubrication of the lower surface of the pusher bar 14 is required.

Die Form der Schieberstange 14 ist speziell auf die Form der Verschlussklammer 16 abgestimmt, wie im Zusammenhang mit der Erläuterung der Wirkungsweise beschrieben werden wird.The shape of the pusher bar 14 is specifically tailored to the shape of the closure clip 16, as will be described in conjunction with the explanation of the operation.

Die Verschlussklammer 16 ist durch einen Exzenterbolzen 26 drehbar mit dem Zungenkloben 18 verbunden. Um eine Dämpfung der über die Stellzunge 12 auf dem Zungenkloben 18 übertragenen Schwingungen zu erreichen, wird der Bolzen 26 in einer Gummi-Metallbuchse 28 geführt, wie am besten aus Fig. 6 ersichtlich ist. Federstecker sichern den Bolzen vor einem axialen Herausfallen.The closure clip 16 is rotatably connected to the tongue block 18 by an eccentric pin 26. In order to achieve a damping of transmitted via the actuating tongue 12 on the tongue block 18 vibrations, the bolt 26 is guided in a rubber-metal bushing 28, as best of Fig. 6 is apparent. Spring plugs secure the bolt from falling out axially.

Die Verschlussklammer 16 wird durch eine Öffnung im Verschlussstück 22 geführt, wie aus Fig. 3 deutlich wird. Eine nach unten gerichtete Gabelung der Verschlussklammer 16 dient als Führung (Mitnehmer) für die Schieberstange 14. Der axiale Abstand d zwischen der Verschlussklammer 16 und dem Verschlussstück 22 ist ausreichend groß bemessen, vorzugsweise um 30 mm groß, um einen Ausgleich der Relativbewegung zwischen Stellzunge 12 und Backenschiene 10 sicherzustellen.The closure clip 16 is passed through an opening in the closure piece 22, as shown Fig. 3 becomes clear. A downward fork of the locking clip 16 serves as a guide (driver) for the slide rod 14. Der axial distance d between the closure clip 16 and the closure piece 22 is dimensioned sufficiently large, preferably by 30 mm in size to ensure a balance of the relative movement between the adjusting tongue 12 and the stock rail 10.

Das Verschlussstück 22 ist, wie in den Figuren 1 und 4 gezeigt wird, fest mit der Backenschiene 10 verschraubt. Hierzu dient eine Meichenschraube 32, an deren U-förmigen Steg in einem zur Lage der Standardbohrungen der Deutschen Bahn korrespondierenden Abstand zwei Schraubenbolzen fixiert sind. Die Schraubenbolzen der Weichenschraube 32 werden durch die vorhandenen Bohrungen in den Backenschienen gesteckt, das Verschlussstück 22 auf die Gewindebolzen aufgesteckt und das Verschlussstück 22 mit Weichenmuttern 34 befestigt. Weichenmuttern besitzen eine definierte Schlüsselweite, für die im beschränkten Merkzeugsatz der Meichenschlosser der Deutschen Bahn das geeignete Werkzeug vorhanden ist. Um ein Lösen der Weichenmuttern 34 zu verhindern, wird deren Rotationsbewegung durch ein Sicherungsblech 36 verhindert. Das Sicherungsblech 36 wird durch einen Sicherungsbolzen 38 gesichert, dessen Bohrung sich mittig zwischen den beiden Standardbohrungen für die Schraubenbolzen befindet. Die mittlere Bohrung für den Schraubenbolzen im Verschlussstück 22 ist, wie aus Fig. 3 ersichtlich ist, als Langloch gebildet, um das symmetrische Verschlussstück 22 an beiden Seiten der Backenschiene 10 befestigen zu können ohne aufgrund der zur Achse der Schieberachse nicht symmetrischen Standardbohrungen der Deutschen Bahn zwei unterschiedliche Verschlussstücke verwenden zu müssen. Durch diese Ausführung können sowohl die Fertigungskosten für das Verschlussstück 22 als auch die Lagerhaltungskosten der Bahn gesenkt werden.The closure piece 22 is, as in the FIGS. 1 and 4 is shown firmly screwed to the stock rail 10. For this purpose, a Meichenschraube 32, are fixed to the U-shaped web in a corresponding to the position of the standard holes of Deutsche Bahn two bolts. The bolts of the switch screw 32 are inserted through the existing holes in the jaw rails, the closure piece 22 attached to the threaded bolts and fastened the closure piece 22 with turnouts 34. Turnout nuts have a defined wrench size, for which the suitable tool is available in the limited reminder set of the Meichenschlosser of Deutsche Bahn. In order to prevent loosening of the switch nuts 34, the rotational movement is prevented by a locking plate 36. The locking plate 36 is secured by a locking bolt 38, the bore is located centrally between the two standard holes for the bolts. The central bore for the bolt in the closure piece 22 is as shown Fig. 3 it can be seen formed as a slot to fix the symmetrical closure piece 22 on both sides of the stock rail 10 without having to use two different fasteners due to the non-symmetrical to the axis of the slide axis standard holes of Deutsche Bahn. By this embodiment, both the manufacturing cost of the closure piece 22 and the storage cost of the web can be reduced.

Wie bereits oben erläutert wurde, ist die Verschlussklammer 16 drehbar mit dem Zungenkloben 18 verbunden. Der Kern des Zungenklobens 18 wird, wie auch der Kern des Verschlussstücks 22, aus Stahl geschmiedet, um eine höhere Bruchsicherheit und Werkstoffelastizität zu erhalten als bei Gussstücken gegeben ist. An der Stellzunge 12 ist der Zungenkloben 18 durch eine Schraubverbindung befestigt. Die Verschluss-Klammerschraube 40 besitzt, wie auch die Weichenmuttern 34, die dem Werkzeugsortiment der Weichenschlosser angepasste Schlüsselweite.As already explained above, the closing clip 16 is rotatably connected to the tongue block 18. The core of the tongue block 18, as well as the core of the closure piece 22, forged from steel, to a higher resistance to breakage and To obtain material elasticity than is given for castings. At the positioning tongue 12 of the tongue block 18 is fixed by a screw connection. The lock-clamp screw 40 has, as well as the turnout nuts 34, the key width adapted to the tool assortment of turnout locksmiths.

Die Klammerschraube 40 durchsetzt den Zungenkloben 18 sowie die Stellzunge 12 und wird in ein Durchgangs-innengewinde des Zungenklobens 18 geschraubt. Im Kontaktbereich des Zungenklobens 18 mit der Stellzunge 12 wird die Klammerschraube 40 durch eine, in die Stellzunge 12 drehfest eingeschlagene Exzenterspannbuchse 42 geführt.The clamp screw 40 passes through the tongue block 18 and the positioning tab 12 and is screwed into a through-internal thread of the tongue block 18. In the contact region of the tongue block 18 with the adjusting tongue 12, the clamping screw 40 is guided by an eccentric clamping bush 42 which is turned in a rotationally fixed manner into the setting tongue 12.

Durch die Drehung der Exzenterspannbuchse 42 in der Stellzunge 12 kann der Abstand zwischen Stellzunge 12 und Backenschiene 10 eingestellt werden.By the rotation of the eccentric clamping bush 42 in the positioning tongue 12, the distance between the positioning tongue 12 and the stock rail 10 can be adjusted.

Um ein Lösen der Klammerschraube 40 zu verhindern, wird diese durch ein Sicherungsblech 44 gesichert und das Sicherungsblech 44 durch einen Sicherungssplint 46 gegen das Herausrutschen nach oben gesichert.In order to prevent loosening of the clamping screw 40, this is secured by a locking plate 44 and the locking plate 44 secured by a Sicherungssplint 46 against slipping up.

Eine weitere Sicherungsmaßnahme gegen ungewollten Verlust der Klammerschraube 40 stellt der Sicherungsbolzen 48 dar, der durch eine Bohrung im Zungenkloben 18 eingeführt wird. Der Sicherungsbolzen 48 wird gegen Herausfallen durch einen Splint 50 gesichert und ragt, wie aus den Fig. 1 und 4 deutlich ist, weit in den Bereich der Klammerschraube 40, so dass diese nicht aus der Bohrung heraustreten kann ohne dass der Sicherungsbolzen 48 zuvor entfernt wurde.Another safeguard against unwanted loss of the clamp screw 40 is the safety pin 48 which is inserted through a bore in the tongue block 18. The locking pin 48 is secured against falling out by a split pin 50 and protrudes, as from the Fig. 1 and 4 is clear, far into the area of the staple screw 40, so that they can not come out of the hole without the locking pin 48 has been previously removed.

Damit der Kraftfluss vom Zungenkloben 18 auf die Stellzunge 12 nicht alleine von der Klammerschraube 40 und der Exzenterspannbuchse 42 aufgenommen werden muss, wird ein Keil 52 zwischen Zungenkloben 18 und Stellzunge 12 eingeschlagen und mit einem Sicherungsblech 54 gesichert, wie aus den Fig. 5 und 2 deutlich wird. Sowohl der Keil 52 als auch das Sicherungsblech 54 sind Standardteile der Neichenschlosser.Thus, the power flow from Tungenkloben 18 on the actuating tongue 12 does not have to be taken alone by the clamp screw 40 and the Exzenterspannbuchse 42, a wedge 52 between Tungenkloben 18 and positioning tab 12 is taken and secured with a locking plate 54, as shown in FIG. 5 and 2 becomes clear. Both the wedge 52 and the locking plate 54 are standard parts of the Neichenschlosser.

Im Folgenden wird die Funktionsweise der Stellzungen-Verschlussvorrichtung gemäß der Erfindung erläutert. Zur Betätigung des Weichenverschlusses wird die Schieberstange 14 axial verschoben. Die Verschlussklammer 16 besitzt einen Absatz 16a, der mit der Nase (dem Mitnehmer) 14a der Schieberstange beim Öffnen des Weichenverschlusses zusammenwirkt. In Fig. 1 ist die Schieberstange 14 in einer Stellung gezeigt, wie sie nach dem Schließen des Weichenverschlusses vorliegt. Eine axiale Verschiebung der Schieberstange 14 nach rechts bringt die Nase (den Mitnehmer) 14a und den Absatz 16a in Kontakt zueinander und erzeugt ein Drehmoment, das eine Drehung der Verschlussklammer 16 gegen den Uhrzeigersinn bewirkt. Es löst sich der Absatz 16b der Verschlussklammer 16 vom Vorsprung 22a des Verschlussstückes 22 und die Verschlussklammer 16 fällt unter ihrer Gewichtskraft in die durch den Absatz 14b gebildete Aussparung der Schieberstange 14 bzw. wird durch die Nase (den Mitnehmer) 14a heruntergedrückt, so dass die Oberfläche 16d der Verschlussklammer 16 auf der Oberfläche 18a des Zungenklobens 18 zu liegen kommt. Damit ist die Verriegelung des Verschlussstückes 22 mit dem Zungenkloben 18 gelöst und der weichenverschluss kann geöffnet werden.In the following, the operation of the positioning tab closure device according to the invention will be explained. To operate the switch lock the slide rod 14 is moved axially. The locking clip 16 has a shoulder 16a, which cooperates with the nose (the driver) 14a of the slide rod when opening the switch lock. In Fig. 1 the slide rod 14 is shown in a position as it exists after closing the switch closure. An axial displacement of the slider rod 14 to the right brings the nose (the driver) 14 a and the shoulder 16 a in contact with each other and generates a torque which causes a rotation of the closure clip 16 counterclockwise. The shoulder 16b of the locking clip 16 separates from the projection 22a of the locking piece 22 and the locking clip 16 falls under its weight into the recess of the slider rod 14 formed by the shoulder 14b or is pressed down by the nose (the catch) 14a, so that the Surface 16 d of the closure clip 16 comes to lie on the surface 18 a of the tongue block 18. Thus, the locking of the closure piece 22 is released with the tongue block 18 and the soft closure can be opened.

Im umgekehrten Fall wird die Schieberstange 14 in axialer Richtung nach links gezogen, bis der Absatz 14b der Schieberstange gegen den Absatz 16c der Verschlussklammer 16 stößt und ein Aufgleiten der Verschlussklammer 16 auf die Schieberstange 14 bewirkt. Die Verschlussklammer 16 wird im Uhrzeigersinn um ihren Drehpunkt (Bolzen 26) gedreht und der Absatz 16b umgreift den Vorsprung 22a. Dadurch wird das Verschlussstück 22 wieder fest mit dem Zungenkloben 18 verbunden und die Stellzunge 12 in Kontakt zur Backenschiene 10 fixiert.In the opposite case, the slide rod 14 is pulled in the axial direction to the left until the shoulder 14 b of the slide rod abuts against the shoulder 16 c of the closure clip 16 and causes the closure clip 16 to slide onto the slide rod 14. The locking clip 16 is rotated clockwise about its pivot point (pin 26) and the shoulder 16b engages around the projection 22a. As a result, the closure piece 22 is again firmly connected to the tongue block 18 and the positioning tongue 12 is fixed in contact with the stock rail 10.

Wie aus den Figuren 1, 5 und 7 ersichtlich ist, sind die Oberflächen der Verschlusskomponenten, die miteinander in Gleitkontakt sind, nämlich jeweils der Absatz 16a der Verschlussklammer 16 und die Nase 14a der Schieberstange 14, der Absatz 16b der Verschlussklammer 16 und der Vorsprung 22a des Verschlussstückes 22, der Absatz 14b der Schieberstange 14 und der Absatz 16c der Verschlussklammer 16 sowie die Oberfläche 16d der Verschlussklammer 16 und die Oberfläche 18a des Zungenklobens 18, mit einer auftragsgeschweißten Beschichtung aus einem Gleitlagermaterial versehen, die in den Figuren als geschwärzter Bereich veranschaulicht ist. Bei der Schieberstange 14, der Verschlussklammer 16, dem Zungenkloben 18 und dem Verschlussstück 22 gemäß der gezeigten Ausführungsform ist jeweils eine Beschichtung aus Aluminiumbronze auf den Gleitkontaktabschnitten eines als Stahlschmiedestück ausgebildeten Komponentenkerns auftragsgeschweißt. Die Dicke der Beschichtung liegt im Bereich von 1-5 mm. Somit können die bei Betrieb der Stellzungen-Verschlussvorrichtung zwischen diesen Verschlusskomponenten auftretenden Reibungskräfte minimiert werden, was zu einer hohen Verschleißfestigkeit der Komponenten und somit zu einer langen Lebensdauer der Verschlussvorrichtung sowie geringen erforderlichen Stellkräften führt. Da die Notwendigkeit einer regelmäßigen Schmierung der Verschlusskomponenten somit entfällt, wird außerdem die Wartung der Verschlussvorrichtung erheblich vereinfacht.Like from the FIGS. 1 . 5 and 7 3, the surfaces of the closure components that are in sliding contact with each other, namely the shoulder 16a of the locking clip 16 and the nose 14a of the slider rod 14, the shoulder 16b of the locking clip 16 and the projection 22a of the locking piece 22, the shoulder 14b of the slider rod 14 and the heel 16c of the closure clip 16 and the surface 16d of the closure clip 16 and the surface 18a of the tongue clip 18 are provided with an overlay-welded coating of a plain bearing material illustrated in the figures as a blackened area. In the slider rod 14, the shutter bracket 16, the tongue block 18, and the shutter piece 22 according to the illustrated embodiment, a coating of aluminum bronze is, for example, custom-welded on the sliding contact portions of a component core formed as a steel forging. The thickness of the coating is in the range of 1-5 mm. Thus, the frictional forces occurring between these closure components during operation of the locking device between the closure components can be minimized, which leads to a high wear resistance of the components and thus to a long service life of the closure device and low required actuating forces. Since the need for regular lubrication of the closure components is thus eliminated, the maintenance of the closure device is also considerably simplified.

Claims (12)

  1. Interlocking component (14, 16, 18, 22) for a tongue interlocking device for railway switches,
    characterised in that
    the interlocking component (14, 16, 18, 22) has, in at least sections at which it is in sliding contact with at least one other element of the tongue interlocking device and/or the switch, a metal coating which is built-up welded to a core of the interlocking component (14, 16, 18, 22), wherein
    a material of the built-up welded coating has better sliding properties than a material of the interlocking component core, the material of the built-up welded coating is an aluminium bronze and the thickness of the built-up welded coating is within the range from 1 to 5 mm.
  2. Interlocking component (14, 16, 18, 22) according to claim 1, wherein the interlocking component is an interlocking box or an interlocking piece (22) or a slide rod (14) or a slide rod portion or an interlocking clamp (16) or a clamp or a switch tongue attachment (18).
  3. Interlocking component (14, 16, 18, 22) according to claim 1 or 2, in which the interlocking component core is made of steel.
  4. Interlocking component (14, 16, 18, 22) according to any of the preceding claims, in which the interlocking component core is a forging.
  5. Switch tongue interlocking device for railway switches, which comprises at least one interlocking component (14, 16, 18, 22) according to any of the preceding claims.
  6. Switch tongue interlocking device according to claim 5, which comprises an interlocking element (16) for locking a switch tongue (12) and a slide rod (14) which cooperates with the interlocking element (16), wherein the interlocking element (16) and/or the slide rod (14) is an interlocking component according to any of claims 1 to 4.
  7. Switch tongue interlocking device according to claim 5, which comprises an interlocking element (16) for locking a switch tongue (12), a slide rod (14) which cooperates with the interlocking element (16), and an interlocking piece (22) fastened to one stock rail (10) of the switch, wherein the interlocking element (16) and/or the slide rod (14) and/or the interlocking piece (22) is an interlocking component according to any of claims 1 to 4.
  8. Switch tongue interlocking device according to claim 5, which comprises an interlocking element (16) for locking a switch tongue (12), a slide rod (14) which cooperates with the interlocking element (16), an interlocking piece (22) attached to one stock rail (10) of the switch, and a tongue attachment (18) connected to the switch tongue (12) and the interlocking element (16), wherein the interlocking element (16) and/or the slide rod (14) and/or the interlocking piece (22) and/or the tongue attachment (18) is an interlocking component according to any of claims 1 to 4.
  9. Switch tongue interlocking device according to any of claims 6 to 8, in which the slide rod (14) is an interlocking component according to any of claims 1 to 4 and rests slidably on a support having a plane supporting surface.
  10. Switch tongue interlocking device according to claim 9, in which the supporting surface of the support is made of a friction bearing material.
  11. Switch tongue interlocking device according to claim 10, in which the built-up welded coating of the slide rod (14) is made of the same friction bearing material as the supporting surface of the support.
  12. Switch which has a switch tongue interlocking device according to any of claims 5 to 11.
EP20100158208 2009-03-30 2010-03-29 Locking components for position tongue lock devices, position tongue lock device and points with position tongue lock device Not-in-force EP2236384B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910001971 DE102009001971A1 (en) 2009-03-30 2009-03-30 Locking component for post-closing device, post-closing device and switch with post-closing device

Publications (3)

Publication Number Publication Date
EP2236384A2 EP2236384A2 (en) 2010-10-06
EP2236384A3 EP2236384A3 (en) 2011-05-25
EP2236384B1 true EP2236384B1 (en) 2013-08-14

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Application Number Title Priority Date Filing Date
EP20100158208 Not-in-force EP2236384B1 (en) 2009-03-30 2010-03-29 Locking components for position tongue lock devices, position tongue lock device and points with position tongue lock device

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DE (1) DE102009001971A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2243681B1 (en) * 2009-04-22 2013-03-06 Schwihag Ag Switching device in rail points
FR2974051B1 (en) * 2011-04-12 2013-05-31 Vossloh Cogifer RAILWAY MANUFACTURING DEVICE WITHOUT LUBRICATION
EP2657101A1 (en) * 2012-04-25 2013-10-30 Siemens Schweiz AG Points adjustment device with improved friction characteristics and/or improved wear resistance
ITFI20120166A1 (en) * 2012-08-09 2014-02-10 Wegh Group S P A "AN ATTACK ASSEMBLY TO OPERATE THE MANEUVERING AND CONTROL OF A DIVERTER'S NEEDLES"
DE202012103261U1 (en) * 2012-08-28 2013-12-04 Hanning & Kahl Gmbh & Co. Kg tongue attachment
EP2703249B1 (en) * 2012-09-03 2017-04-26 Siemens Schweiz AG Pawl lock with adjustable lock bearing
CN108016465A (en) * 2016-11-03 2018-05-11 西门子信号有限公司 External locking device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB823504A (en) * 1957-02-12 1959-11-11 Air Reduction Method of controlling cross-sectional contour of weld arc
GB822792A (en) * 1957-02-12 1959-10-28 Air Reduction Magnetic oscillation of welding arc
DE4014249A1 (en) 1990-05-04 1991-11-07 Butzbacher Weichenbau Gmbh DEVICE FOR LOCKING A SWITCH TONGUE
CH684939A5 (en) 1993-05-10 1995-02-15 Siemens Integra Verkehrstechni Pawl lock for railway points.
DE19502105C5 (en) 1995-01-24 2004-12-30 Carl Dan. Peddinghaus Gmbh & Co Kg Locking device for switch tongues

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Publication number Publication date
EP2236384A2 (en) 2010-10-06
EP2236384A3 (en) 2011-05-25
DE102009001971A1 (en) 2010-10-07

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