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EP0156351B1 - Locking device for a switch point - Google Patents

Locking device for a switch point Download PDF

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Publication number
EP0156351B1
EP0156351B1 EP85103526A EP85103526A EP0156351B1 EP 0156351 B1 EP0156351 B1 EP 0156351B1 EP 85103526 A EP85103526 A EP 85103526A EP 85103526 A EP85103526 A EP 85103526A EP 0156351 B1 EP0156351 B1 EP 0156351B1
Authority
EP
European Patent Office
Prior art keywords
axis
stock rail
locking
switch
pivoted
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.)
Expired
Application number
EP85103526A
Other languages
German (de)
French (fr)
Other versions
EP0156351A2 (en
EP0156351A3 (en
Inventor
Sebastian Benenowski
Erich Nuding
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.)
Voestalpine Turnout Technology Germany GmbH
Original Assignee
Voestalpine BWG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voestalpine BWG GmbH filed Critical Voestalpine BWG GmbH
Priority to AT85103526T priority Critical patent/ATE47439T1/en
Publication of EP0156351A2 publication Critical patent/EP0156351A2/en
Publication of EP0156351A3 publication Critical patent/EP0156351A3/en
Application granted granted Critical
Publication of EP0156351B1 publication Critical patent/EP0156351B1/en
Expired legal-status Critical Current

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Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/08—Locking devices or mechanisms for inhibiting movement

Definitions

  • the invention relates to a device for locking a switch tongue with a stock rail according to the preamble of claim 1.
  • a corresponding device with an adjusting rod, which lead to the switch tongues, has an angle lever is known from DE-C 903454.
  • the stock rail and angle lever do not always have to be at a definable distance, this can change unintentionally or uncontrollably.
  • point locks as indicated in DE-C 33 878, DE-C 252 508 or FR-A 881 749.
  • a tongue block is basically a locking hook, which with a starting piece from the stock rail in the locking position interacts.
  • a turnout lock in this regard is maintenance-intensive since the interacting elements must be precisely coordinated. If, for example, the closure piece is worn out, secure locking is no longer guaranteed.
  • the functionality of a corresponding closure is also at risk if the stock rail and switch tongue should experience different expansions in the region of the closure with regard to their longitudinal direction.
  • the object of the present invention is to design a device according to the preamble of claim 1 so that a structurally simple means can be used to securely close a switch tongue, the locking remaining without additional safety measures even if a force acts on the switch tongue is directed away from the stock rail.
  • the object is achieved in that the third axis (A) is arranged on the stock rail or at a defined, non-changeable distance from the stock rail, that by rotating the rotating element, the closure element passes a zero point position, which is determined by a plane running perpendicular to the stock rail , in which the first, second and third axes (B, C, A) run and that by further rotation of the rotary element and thus pivoting of the closure element beyond the zero point position, the rotary element is pivoted into a first end position in such a way that a permanent causing the locking
  • the switch tongue is in contact with the stock rail, and that when the rotary element is rotated into the first end position, the first and second axes (B, C) are aligned with respect to the third axis (A) in such a way that a force exerted by the switch tongue acts on the Locking element counteracts unlocking.
  • the first, second and third axes in the closed position are oriented as follows.
  • the connecting line between the first and second axes lies outside the third axis in the region of a stop which prevents the rotary movement of the rotary element when it is in the first end position. If a force acting in the direction of the connecting line between the first and second axes now acts on the closure element from the tongue, the rotary element is pressed further against the stop, which ultimately causes the switch tongue to be pulled further towards the stock rail. Only when the connecting line between the first and second axes is moved away from the stop via the third axis can the switch tongue be opened by the stock rail.
  • the switch tongue is removed from the stock rail in that a force acts on the rotating element, by means of which the rotating element is rotated about the third axis and thus the closure element is pivoted about the first axis.
  • the teaching according to the invention consequently proposes a device in which, when the switch tongue and the stock rail are locked, they form a unit which also e.g. cannot be removed in an uncontrolled manner by changing the position of one of the elements.
  • the locking element is preferably a rod-shaped or rod-shaped locking lever, in the end sections of which the first and second axes run.
  • the rotating element which e.g. Can be designed as a disc, preferably consists of two rigidly interconnected first and second legs that describe an angle a to each other.
  • the rotary element can therefore be referred to as an angle lever.
  • the third axis which is fixed to the stock rail, for example in a fastening element extending from the stock rail, preferably runs at the intersection of the legs, whereas the second axis runs in the first or second leg, preferably in the respective free end region. If the second axis is present in the first leg, the adjusting or sliding element, for. B. in the form of a push rod.
  • the push rod is pivotally connected to the rotary element about a fourth axis and can be actuated, for example, by means of a servomotor in order to bring about the rotary element and consequently the switch tongue movement.
  • the locking element, rotating element and adjusting element run below the stock rail and the switch tongue.
  • the switch tongue lies against the stock rail when the connecting line between the first and second axes lies in one plane with the third axis.
  • the closure element can be elastically mounted in the switch tongue or the tongue block and / or the switch tongue itself is elastically twisted during this movement.
  • the device according to the invention also has the advantage that, for example, with a relative length shift between the stock rail and switch tongue, namely in the direction of the third axis and stop, the switch tongue is further tightened to the stock rail, since the connecting line between the first and second axes continues to widen away from the third axis. If, on the other hand, there is a length shift in the opposite direction, the connecting line first / second axis could exceed the zero point position, so that the locking mechanism then no longer offers the necessary security against uncontrolled opening.
  • a turnout starts from the switch tongue, preferably the tongue block, which can interact with a projection extending from the stock rail, which is preferably arranged on the fastening element for the rotating element. The projection and stop interfere when the switch tongue to the stock rail is extended to an unacceptable extent in the direction described above. Due to the interaction of the stop and the projection, adjustment of the switch tongue is then no longer possible, which triggers a fault message.
  • FIG. 1 shows an example of a device for locking a switch in the area of a switch tongue 12 and a stock rail 10, in which the switch tongue 12 is opened to the stock rail 10. Furthermore, in the exemplary embodiment, the turnout start WA should be on the left and the turnout end WE on the right.
  • a locking element such as locking lever 16 extends, which can be pivoted about an axis B.
  • the other end of the locking lever 16 is pivotally connected about an axis C to a rotary element such as angled lever 18, which in turn is rotatable about an axis A which is arranged fixedly with respect to the stock rail 10.
  • the axis A according to the embodiment according to FIG.
  • the angle lever 18 comprises two legs 22 and 24, at the intersection of which the axis A runs. If the leg 22 is articulated in the axis C to the locking lever 16, a push rod 26 extends from the free end of the leg 24 and is connected to the leg 22 in the axis D. Because the legs 22, 24 are rigidly connected to one another, their longitudinal axes describe an angle a to one another. As a result, the distance A-C-D is fixed and cannot be changed.
  • the actuating element or the push rod 26 can be moved in the direction of the arrow by means of a servomotor, not shown. If the push rod 26 is displaced in the direction of the stock rail 10, the rotary element 18 rotates about the axis A. At the same time, the axis C moves along the dashed circle 30 with the radius X. This results in the switch tongue 12 being pulled towards the stock rail 10 The switch tongue 12 is already in contact with the stock rail 10 before the connecting line between the axes B and C lies in a plane with the axis A which runs predominantly perpendicular to the longitudinal axis of the stock rail (32).
  • the switch tongue 12 is pulled further in the direction of the stock rail 10 until the connecting line between the axes B and C lies in a common plane with the axis A, which runs predominantly perpendicular to the stock rail longitudinal axis.
  • This can be made possible by the fact that the closure element 16 is mounted elastically in the switch tongue 12 or in the tongue block 14 or that the switch tongue 12 itself is elastically twisted.
  • the device according to the invention has the further advantage that the turnout cannot be unlocked in the locked state even if, for example, the turnout tongue should move towards the stock rail 10 in the direction of the turnout start WA.
  • the connecting line B-C would only move further from the axis A and thus from the zero point line 32 to the left, as a result of which the switch tongue would be pulled further towards the stock rail 10.
  • a stop 34 extends from the tongue block 14 below the push rod 26, which then interacts with a projection 36 starting from the fastening element 20 if the switch tongue 12 in the exemplary embodiment should have moved in the direction of the switch end to the stock rail 10.
  • the connecting line B-C can run to the right of the axis A when the leg 22 abuts the stop 28, as a result of which a firm locking would not be guaranteed; because when force is applied in the direction of the switch tongue, the rotating element 18 would be rotatable clockwise about the axis A, which would cause the switch tongue 12 to open.
  • the stop 34 and the projection 36 act together if an inadmissible displacement of the stock rail 10 and the switch tongue 12 should have occurred relative to one another.
  • the stop 34 would already abut the projection 36 before the switch tongue was finally locked and then via a sensor or the like, not shown. generate a warning signal which indicates that the turnout cannot be locked.
  • angle lever as the rotary element 18
  • a circular element which can be rotated about an axis which is fixed with respect to the stock rail 10 and which has a fixed geometric relationship with the articulation points of the closure element 16 and actuator 26.
  • the circular element must of course also abut against a stop corresponding to the stop 28 when the closure element 16 has exceeded the zero point position previously discussed in detail.
  • the zero point position 32 to the right of the stop 28 has been described in the exemplary embodiment, it can also run to the left of the stop 28 if the axes C, D are changed accordingly, the rotary element then having to be turned clockwise if the unlocking is to take place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Switches With Compound Operations (AREA)
  • Seats For Vehicles (AREA)

Abstract

1. Locking device for a switch point (12) having a stock rail (10), in which a locking element (16), which can be pivoted about a first axis (B) and effects locking, extends from the switch point or from a tongue attachment, and along a second axis (C) is in turn hinged on to a swivel element (18) which can be pivoted about a third axis (A) by means of a switch or sliding element (26), characterised in that the third axis (A) is arranged on the stock rail (10) or at a defined non-variable distance from the stock rail (10), that when the swivel element (18) is pivoted the locking element (16) passes a zero position (32) defined by a plane extending at right angles to the stock rail (10), and containing the first, second and third axes (B, C, A), and that when the swivel element is pivoted further and thus the locking element passes the zero position, the swivel element is pivoted into a first end position in such a way that the switch point (12) lies permanently on the stock rail (10), thus effecting locking, and that when the swivel element has been pivoted into the first end position, the first and second axes (B, C) are arranged in such a way with respect to the third axis (A) that a force from the switch point acts upon the locking element, thus preventing the release of said switch point.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Verriegeln einer Weichenzunge mit einer Backenschiene gemäss Oberbegriff des Anspruchs 1.The invention relates to a device for locking a switch tongue with a stock rail according to the preamble of claim 1.

Eine entsprechende Vorrichtung mit einem Stellstangen, die zu den Weichenzungen führen, aufweisenden Winkelhebel ist aus der DE-C 903454 bekannt. Da jedoch Backenschiene und Winkelhebel nicht notwendigerweise stets einen definierbaren Abstand einnehmen müssen, kann dieser sich ungewollt bzw. unkontrolliert verändern. Gleiche Probleme treten bei Weichenverriegelungen auf, wie sie in der DE-C 33 878, DE-C 252 508 oder der FR-A 881 749 angedeutet sind.A corresponding device with an adjusting rod, which lead to the switch tongues, has an angle lever is known from DE-C 903454. However, since the stock rail and angle lever do not always have to be at a definable distance, this can change unintentionally or uncontrollably. The same problems occur with point locks, as indicated in DE-C 33 878, DE-C 252 508 or FR-A 881 749.

Bei Haken-, Klammer- oder Spitzenverschlüssen, wie sie z. B. der DE-A 3115 943, DD-A 142 067 oder Literaturstelle «MFD, Weichen und Kreuzungen (1960)» zu entnehmen sind, geht grundsätzlich von einem Zungenkloben ein Verschlusshaken aus, der mit einem von der Backenschiene ausgehenden Verschlussstück in der Verriegelungsstellung wechselwirkt. Ein diesbezüglicher Weichenverschluss ist wartungsintensiv, da die zusammenwirkenden Elemente genau aufeinander abgestimmt sein müssen. Ist zum Beispiel das Verschlussstück verschlissen, so ist ein sicheres Verriegeln nicht mehr gewährleistet. Auch ist die Funktionstüchtigkeit eines entsprechenden Verschlusses dann gefährdet, wenn Backenschiene und Weichenzunge bezüglich ihrer Längsrichtung unterschiedliche Ausdehnungen im Bereich des Verschlusses erfahren sollten.For hook, clip or tip closures, such as z. B. DE-A 3115 943, DD-A 142 067 or reference "MFD, switches and crossings (1960)" can be seen, a tongue block is basically a locking hook, which with a starting piece from the stock rail in the locking position interacts. A turnout lock in this regard is maintenance-intensive since the interacting elements must be precisely coordinated. If, for example, the closure piece is worn out, secure locking is no longer guaranteed. The functionality of a corresponding closure is also at risk if the stock rail and switch tongue should experience different expansions in the region of the closure with regard to their longitudinal direction.

Aufgabe der vorliegenden Erfindung ist es, eine Vorrichtung gemäss Oberbegriff des Anspruchs 1 so auszubilden, dass mit konstruktiv einfachen Mitteln ein sicheres Verschliessen einer Weichenzunge möglich ist, wobei die Verriegelung ohne zusätzliche Sicherungsmassnahmen auch dann bestehen bleibt, wenn auf die Weichenzunge eine Kraft einwirkt, die von der Backenschiene weg gerichtet ist.The object of the present invention is to design a device according to the preamble of claim 1 so that a structurally simple means can be used to securely close a switch tongue, the locking remaining without additional safety measures even if a force acts on the switch tongue is directed away from the stock rail.

Die Aufgabe wird erfindugsgemäss dadurch gelöst, dass die dritte Achse (A) an der Backenschiene oder im definierten nicht veränderbaren Abstand zu der Backenschiene angeordnet ist, dass durch Drehen des Drehelements das Verschlusselement eine Nullpunktlage passiert, die durch eine senkrecht zur Backenschiene verlaufende Ebene bestimmt ist, in der die erste, zweite und dritte Achse (B, C, A) verlaufen und dass durch weiteres Drehen des Drehelementes und damit Verschwenken des Verschlusselementes über die Nullpunktlage hinaus das Drehelement in eine erste Endstellung derart verschwenkt ist, dass ein das Verriegeln verursachendes ständiges Anliegen der Weichenzunge an der Backenschiene bewirkt ist, und dass bei in die erste Endstellung gedrehtem Drehelement die erste und zweite Achse (B, C) in bezug auf die dritte Achse (A) derart ausgerichtet ist, dass eine von der Weichenzunge ausgehende Krafteinwirkung auf das Verschlusselement einem Entriegeln entgegenwirkt. Folglich sind die erste, zweite und dritte Achse in der Verschlussstellung wie folgt ausgerichtet. Die Verbindungslinie zwischen der ersten und zweiten Achse liegt ausserhalb der dritten Achse im Bereich eines Anschlags, der die Drehbewegung des Drehelementes dann unterbindet, wenn dieses in der ersten Endstellung vorliegt. Wirkt nunmehr eine in Richtung der Verbindungslinie zwischen der ersten und zweiten Achse wirkende Kraft von der Zunge auf das Verschlusselement ein, so wird das Drehelement weiter gegen den Anschlag gedrückt, wodurch letztendlich ein weiteres Heranziehen der Weichenzunge an die Backenschiene bewirkt wird. Erst wenn die Verbindungslinie zwischen der ersten und zweiten Achse über die dritte Achse von dem Anschlag weg bewegt wird, kann die Weichenzunge von der Backenschiene aufgeschlagen werden. Dabei erfolgt das Entfernen der Weichenzunge von der Backenschiene dadurch, dass auf das Drehelement eine Kraft einwirkt, durch die das Drehelement um die dritte Achse gedreht und damit das Verschlusselement um die erste Achse verschwenkt wird. Durch die erfindungsgemässe Lehre wird folglich eine Vorrichtung vorgeschlagen, bei der bei verriegelter Weichenzunge und Backenschiene diese eine Einheit bilden, die auch z.B. durch eine Lageveränderung einer der Elemente nicht unkontrolliert aufgehoben werden kann.According to the invention, the object is achieved in that the third axis (A) is arranged on the stock rail or at a defined, non-changeable distance from the stock rail, that by rotating the rotating element, the closure element passes a zero point position, which is determined by a plane running perpendicular to the stock rail , in which the first, second and third axes (B, C, A) run and that by further rotation of the rotary element and thus pivoting of the closure element beyond the zero point position, the rotary element is pivoted into a first end position in such a way that a permanent causing the locking The switch tongue is in contact with the stock rail, and that when the rotary element is rotated into the first end position, the first and second axes (B, C) are aligned with respect to the third axis (A) in such a way that a force exerted by the switch tongue acts on the Locking element counteracts unlocking. As a result, the first, second and third axes in the closed position are oriented as follows. The connecting line between the first and second axes lies outside the third axis in the region of a stop which prevents the rotary movement of the rotary element when it is in the first end position. If a force acting in the direction of the connecting line between the first and second axes now acts on the closure element from the tongue, the rotary element is pressed further against the stop, which ultimately causes the switch tongue to be pulled further towards the stock rail. Only when the connecting line between the first and second axes is moved away from the stop via the third axis can the switch tongue be opened by the stock rail. The switch tongue is removed from the stock rail in that a force acts on the rotating element, by means of which the rotating element is rotated about the third axis and thus the closure element is pivoted about the first axis. The teaching according to the invention consequently proposes a device in which, when the switch tongue and the stock rail are locked, they form a unit which also e.g. cannot be removed in an uncontrolled manner by changing the position of one of the elements.

Vorzugsweise ist das Verschlusselement ein stab- oder stangenförmiger Verschlusshebel, in dessen Endabschnitten die erste und zweite Achse verläuft. Das Drehelement, das gegebenenfalls z.B. als Scheibe ausgebildet sein kann, besteht vorzugsweise aus zwei starr miteinander verbundenen ersten und zweiten Schenkeln, die einen Winkel a zueinander beschreiben. Das Drehelement kann folglich als Winkelhebel bezeichnet werden. Dabei verläuft die dritte Achse, die ortsfest zu der Backenschiene zum Beispiel in einem von der Backenschiene ausgehenden Befestigungselement angeordnet ist, vorzugsweise im Schnittpunkt der Schenkel, wohingegen die zweite Achse im ersten oder zweiten Schenkel und zwar vorzugsweise in dem jeweiligen freien Endbereich verläuft. Sofern die zweite Achse in dem ersten Schenkel vorliegt, so greift zum Verdrehen des Drehelementes, also des Winkelhebels an den zweiten Schenkel das Stell- oder Schiebeelement, z. B. in Form einer Schiebestange an. Die Schiebestange ist dabei um eine vierte Achse gelenkig mit dem Drehelement verbunden und kann zum Beispiel über einen Stellmotor betätigt werden, um so das Drehelement und infolgedessen die Weichenzungenbewegung zu bewirken. Dabei verlaufen Verschlusselement, Drehelement und Stellelement unterhalb der Backenschiene und der Weichenzunge.The locking element is preferably a rod-shaped or rod-shaped locking lever, in the end sections of which the first and second axes run. The rotating element, which e.g. Can be designed as a disc, preferably consists of two rigidly interconnected first and second legs that describe an angle a to each other. The rotary element can therefore be referred to as an angle lever. The third axis, which is fixed to the stock rail, for example in a fastening element extending from the stock rail, preferably runs at the intersection of the legs, whereas the second axis runs in the first or second leg, preferably in the respective free end region. If the second axis is present in the first leg, the adjusting or sliding element, for. B. in the form of a push rod. The push rod is pivotally connected to the rotary element about a fourth axis and can be actuated, for example, by means of a servomotor in order to bring about the rotary element and consequently the switch tongue movement. The locking element, rotating element and adjusting element run below the stock rail and the switch tongue.

Erfindungsgemäss ist bekanntlich das Anliegen der Weichenzunge an der Backenschiene bereits dann erreicht, wenn die Verbindungslinie zwischen erster und zweiter Achse zusammen mit der dritten Achse in einer Ebene liegen. Um jedoch durch weiteres Verdrehen des Drehelementes in Richtung der ersten Endstellung die Nullage in Richtung des Anschlages zu überwinden, kann das Verschlusselement in der Weichenzunge oder dem Zungenkloben elastisch gelagert und/oder die Weichenzunge selbst wird bei dieser Bewegung elastisch verdrillt.According to the invention, it is known that the switch tongue lies against the stock rail when the connecting line between the first and second axes lies in one plane with the third axis. However, by turning the Drehele further mentes in the direction of the first end position to overcome the zero position in the direction of the stop, the closure element can be elastically mounted in the switch tongue or the tongue block and / or the switch tongue itself is elastically twisted during this movement.

Die erfindungsgemässe Vorrichtung zeigt des weiteren den Vorteil, dass zum Beispiel bei einer relativen Längenverschiebung zwischen Backenschiene und Weichenzunge, und zwar in Richtung dritte Achse und Anschlag, ein weiteres Anziehen der Weichenzunge an die Backenschiene erfolgt, da die Verbindungslinie zwischen erster und zweiter Achse sich weiter von der dritten Achse entfernt. Erfolgt dagegen eine Längenverschiebung in die entgegengesetzte Richtung, so könnte die Verbindungslinie erste/zweite Achse die Nullpunktlage überschreiten, so dass dann gegebenenfalls die Verriegelung nicht mehr die erforderliche Sicherheit gegen ein unkontrolliertes Aufschlagen bietet. Um diesen Extemfall auszuschliessen, geht von der Weichenzunge, vorzugsweise dem Zungenkloben ein Anschlag aus, der mit einem von der Backenschiene ausgehenden Vorsprung, der vorzugsweise an dem Befestigungselement für das Drehelement angeordnet ist, wechselwirken kann. Dabei behindern sich Vorsprung und Anschlag dann, wenn die Weichenzunge zu der Backenschiene im unzulässigen Umfang in der zuvor beschriebenen Richtung verlängert ist. Durch das Zusammenwirken von Anschlag und Vorsprung ist dann eine Verstellen der Weichenzunge nicht mehr möglich, wodurch eine Störmeldung ausgelöst wird.The device according to the invention also has the advantage that, for example, with a relative length shift between the stock rail and switch tongue, namely in the direction of the third axis and stop, the switch tongue is further tightened to the stock rail, since the connecting line between the first and second axes continues to widen away from the third axis. If, on the other hand, there is a length shift in the opposite direction, the connecting line first / second axis could exceed the zero point position, so that the locking mechanism then no longer offers the necessary security against uncontrolled opening. In order to rule out this extreme case, a turnout starts from the switch tongue, preferably the tongue block, which can interact with a projection extending from the stock rail, which is preferably arranged on the fastening element for the rotating element. The projection and stop interfere when the switch tongue to the stock rail is extended to an unacceptable extent in the direction described above. Due to the interaction of the stop and the projection, adjustment of the switch tongue is then no longer possible, which triggers a fault message.

Weitere Einzelheiten, Vorteile und Merkmale ergeben sich nicht nur aus den Ansprüchen, sondern auch aus der nachfolgenden Beschreibung der Zeichnung, die die erfindungswesentlichen Merkmale ohne weiteres erkennen lässt. Es zeigen:

  • Fig. 1 eine Vorrichtung zum Verriegeln eine Weichenzunge mit aufgeschlagener Weichenzunge,
  • Fig. 2 die Vorrichtung nach Fig. 1 mit an der Backenschiene anliegender Weichenzunge,
  • Fig. 3 die Vorrichtung gemäss Fig. 2 in Vorderansicht,
  • Fig. 4 eine Detaildarstellung der Vorrichtung im Bereich der Backenschiene,
  • Fig. 5 eine besondere Ausführungsform von die Vorrichtung betätigenden Hebeln und
  • Fig. 6 eine Detaildarstellung einer Variante der Fig. 4...
Further details, advantages and features result not only from the claims, but also from the following description of the drawing, which shows the features essential to the invention without further ado. Show it:
  • 1 is a device for locking a switch tongue with open switch tongue,
  • 2 shows the device according to FIG. 1 with the switch tongue resting against the stock rail,
  • 3 shows the device according to FIG. 2 in front view,
  • 4 shows a detailed illustration of the device in the region of the stock rail,
  • Fig. 5 shows a special embodiment of the device actuating levers and
  • 6 is a detailed representation of a variant of FIG. 4 ...

In Fig. 1 ist eine Vorrichtung zum Verriegeln einer Weiche beispielhaft im Bereich von einer Weichenzunge 12 und einer Backenschiene 10 dargestellt, bei der die Weichenzunge 12 zu der Backenschiene 10 aufgeschlagen ist. Ferner soll im Ausführungsbeispiel links der Weichenanfang WA und rechts das Weichenende WE vorliegen. Von der Weichenzunge 12, vorzugsweise von einem in der Fig. 3 dargestellten Zungenkloben 14, geht ein Verschlusselement wie Verschlusshebel 16 aus, der um eine Achse B verschwenkbar ist. Das andere Ende des Verschlusshebels 16 ist um eine Achse C verschwenkbar mit einem Drehelement wie Winkelhebel 18 verbunden, der seinerseits um eine zu der Backenschiene 10 ortsfest angeordnete Achse A drehbar ist. Dabei kann die Achse A gemäss der Ausführungsform nach Fig. 3 innerhalb eines Befestigungselementes 20 verlaufen, das von dem Schienenfuss und/ oder dem Schienensteg der Backenschiene 10 ausgeht. Der Winkelhebel 18 umfasst zwei Schenkel 22 und 24, in deren Schnittpunkt die Achse A verläuft. Ist der Schenkel 22 in der Achse C mit dem Verschlusshebel 16 gelenkig verbunden, so geht von dem freien Ende des Schenkels 24 eine Schiebestange 26 aus, die in der Achse D mit dem Schenkel 22 verbunden ist. Dadurch, dass die Schenkel 22, 24 starr miteinander verbunden sind, beschreiben deren Längsachsen zueinander einen Winkel a. Infolgedessen ist der Abstand A-C-D fest und unveränderbar vorgegeben. Zu der Dimensionierung der erfindungsgemässen Vorrichtung seien beispielsweise folgende Daten angegeben: α≈40°, X-160mm, L=132 mm und γ-353 mm.1 shows an example of a device for locking a switch in the area of a switch tongue 12 and a stock rail 10, in which the switch tongue 12 is opened to the stock rail 10. Furthermore, in the exemplary embodiment, the turnout start WA should be on the left and the turnout end WE on the right. From the switch tongue 12, preferably from a tongue block 14 shown in FIG. 3, a locking element such as locking lever 16 extends, which can be pivoted about an axis B. The other end of the locking lever 16 is pivotally connected about an axis C to a rotary element such as angled lever 18, which in turn is rotatable about an axis A which is arranged fixedly with respect to the stock rail 10. In this case, the axis A according to the embodiment according to FIG. 3 can run within a fastening element 20 which starts from the rail foot and / or the rail web of the stock rail 10. The angle lever 18 comprises two legs 22 and 24, at the intersection of which the axis A runs. If the leg 22 is articulated in the axis C to the locking lever 16, a push rod 26 extends from the free end of the leg 24 and is connected to the leg 22 in the axis D. Because the legs 22, 24 are rigidly connected to one another, their longitudinal axes describe an angle a to one another. As a result, the distance A-C-D is fixed and cannot be changed. For the dimensioning of the device according to the invention, the following data are given, for example: α≈40 °, X-160mm, L = 132 mm and γ-353 mm.

Im Ausführungsbeispiel befindet sich links von der Achse A, also in Richtung des Weichenanfangs WA ein von der Backenschiene 10 ausgehender Anschlag 28, der, ohne die Bewegung des Verschlusshebels 16 zu behindern, dann mit dem Schenkel 22 wechselwirkt, wenn das Drehelement 18 in einer ersten Endstellung vorliegt, wie nachstehend noch näher beschrieben werden soll.In the exemplary embodiment, to the left of the axis A, that is to say in the direction of the switch start WA, there is a stop 28 which starts from the stock rail 10 and which, without impeding the movement of the locking lever 16, then interacts with the leg 22 when the rotary element 18 is in a first End position is present, as will be described in more detail below.

Das Stellelement bzw. die Schiebestange 26 kann mittels eines nicht dargestellten Stellmotors in Pfeilrichtung verschoben werden. Wird die Schiebestange 26 in Richtung der Backenschiene 10 verschoben, so dreht sich das Drehelement 18 um die Achse A. Gleichzeitig wandert die Achse C entlang dem gestrichelten Kreis 30 mit dem Radius X. Dadurch erfolgt ein Heranziehen der Weichenzunge 12 in Richtung auf die Backenschiene 10. Ein Anliegen der Weichenzunge 12 an der Backenschiene 10 ist bereits dann gegeben, bevor die Verbindunsglinie zwischen den Achsen B und C in einer gemeinsam vorwiegend senkrecht zur Backenschienenlängsachse verlaufenden Ebene mit der Achse A liegen (32). Durch weiteres Verdrehen des Drehelementes 18 in Richtung auf den Anschlag 28 erfolgt ein weiteres Heranziehen der Weichenzunge 12 in Richtung zu der Backenschiene 10, bis die Verbindungslinie zwischen den Achsen B und C in einer gemeinsamen vorwiegend senkrecht zur Backenschienenlängsachse verlaufenden Ebene mit der Achse A liegen. Dies kann dadurch ermöglicht werden, dass das Verschlusselement 16 elastisch in der Weichenzunge 12 bzw. in dem Zungenkloben 14 gelagert ist oder aber dass die Weichenzunge 12 selbst elastisch verdrillt wird.The actuating element or the push rod 26 can be moved in the direction of the arrow by means of a servomotor, not shown. If the push rod 26 is displaced in the direction of the stock rail 10, the rotary element 18 rotates about the axis A. At the same time, the axis C moves along the dashed circle 30 with the radius X. This results in the switch tongue 12 being pulled towards the stock rail 10 The switch tongue 12 is already in contact with the stock rail 10 before the connecting line between the axes B and C lies in a plane with the axis A which runs predominantly perpendicular to the longitudinal axis of the stock rail (32). By further turning the rotating element 18 in the direction of the stop 28, the switch tongue 12 is pulled further in the direction of the stock rail 10 until the connecting line between the axes B and C lies in a common plane with the axis A, which runs predominantly perpendicular to the stock rail longitudinal axis. This can be made possible by the fact that the closure element 16 is mounted elastically in the switch tongue 12 or in the tongue block 14 or that the switch tongue 12 itself is elastically twisted.

Bei weiteren Drehbewegungen des Drehelementes 18 wird das zusätzliche Heranziehen der Zunge bei Anschlaglage aufgehoben, ohne dass die Verriegelung beeinträchtigt wird.In the event of further rotary movements of the rotary element 18, the additional pulling-in of the tongue in the stop position is canceled without the locking being impaired.

Eine weitere Drehbewegung des Drehelementes 18 wird dann unterbunden, wenn der Schenkel 22 an den Anschlag 28 anliegt. Da nunmehr die Verbindungsachse B, C im Ausführungsbeispiel links von der Achse A liegt, würde eine Krafteinwirkung auf das Verschlusselement 16 von der Backenschiene 10 weggerichtet ein Entriegeln der Weichenzunge nicht bewirken können, da das Drehelement 18 ausschliesslich in Richtung des Anschlags A, also in Pfeilrichtung entlang dem Kreis 30 drehbar ist, wodurch die Weichenzunge 12 nur weiter an die Backenschiene herangezogen werden würde. Um ein Aufschlagen der Zunge 12 zu ermöglichen, muss das Drehelement 22 durch Bewegen des Stellelementes 26 von der Backenschiene 10 weg entgegen dem Uhrzeigersinn um die Achse A gedreht werden, so dass die Verbindungslinie B-C die Nullpunktlage 32 überschreitet, woraufhin die Weichenzunge 12 zu der Backenschiene 10 aufgeschlagen werden kann.A further rotational movement of the rotating element 18 is prevented when the leg 22 abuts the stop 28. Since the connecting axis B, C now lies to the left of the axis A in the exemplary embodiment, a force acting on the closure element 16 away from the stock rail 10 would not be able to unlock the switch tongue, since the rotating element 18 exclusively in the direction of the stop A, that is to say in the direction of the arrow is rotatable along the circle 30, whereby the switch tongue 12 would only be used further on the stock rail. In order to enable the tongue 12 to open, the rotating element 22 must be rotated counterclockwise about the axis A by moving the adjusting element 26 away from the stock rail 10, so that the connecting line BC exceeds the zero point position 32, whereupon the switch tongue 12 to the stock rail 10 can be opened.

Durch die erfindungsgemässe Vorrichtung ergibt sich der weitere Vorteil, dass die Weiche im verriegelten Zustand auch dann nicht entriegelt werden kann, wenn sich zum Beispiel die Weichenzunge zu der Backenschiene 10 in Richtung des Weichenanfangs WA verschieben sollte. In diesem Fall würde die Verbindunsglinie B-C nur weiter von der Achse A und damit von der Nullpunktlinie 32 nach links wandern, wodurch ein weiteres Heranziehen der Weichenzunge an die Backenschiene 10 erfolgen würde.The device according to the invention has the further advantage that the turnout cannot be unlocked in the locked state even if, for example, the turnout tongue should move towards the stock rail 10 in the direction of the turnout start WA. In this case, the connecting line B-C would only move further from the axis A and thus from the zero point line 32 to the left, as a result of which the switch tongue would be pulled further towards the stock rail 10.

In Fig. 2 ist die verriegelte Weiche mit der Bakkenschiene 10 und Weichenzunge 12 dargestellt. Man erkennt, dass die Verbindungslinie zwischen den Achsen B-C links von der Achse A verläuft, so dass bei Krafteinwirkung in Richtung der Verbindungslinie B-C das Drehelement 18 keine Kraftkomponente erfahren kann, die ein Verdrehen um die Achse A entgegen dem Uhrzeigersinn hervorrufen kann. Demzufolge ist mit konstruktiv einfachen Mitteln ein Verriegeln einer Weiche möglich, ohne dass Verschlusshaken, Klammern oder ähnliches benutzt werden müssen. (Selbstverständlich ist eine entsprechende erfindungsgemässe Vorrichtung an der gegenüberliegenden Backenschiene bzw. Weichenzunge der Weiche angeordnet.)In Fig. 2, the locked switch with the jaw rail 10 and switch tongue 12 is shown. It can be seen that the connecting line between the axes B-C runs to the left of the axis A, so that when force is applied in the direction of the connecting line B-C, the rotating element 18 cannot experience any force component which can cause rotation about the axis A counterclockwise. As a result, a switch can be locked with structurally simple means without the need for locking hooks, clips or the like. (Of course, a corresponding device according to the invention is arranged on the opposite stock rail or switch tongue of the switch.)

In der Fig. 2 wird verdeutlicht, dass das Stellelement 26, der Winkelhebel 18 und der Verschlusshebel 16 unterhalb der Backenschiene 10 und der Weichenzunge 12 verlaufen. Dabei werden - wie zuvor erwähnt - der Verschlusshebel 16 von dem Zungenktoben 14 drehbar um die Achse B und der Winkelhebel 18 drehbar um die Achse A von dem Befestigungselement 20, das von der Bakkenschiene 10 ausgeht, aufgenommen. Auch erkennt man, dass die Elemente 16, 18, 26 in verschiedenen Ebenen verlaufen, damit beim Verdrehen bzw. Verschwenken eine gegenseitige Behinderung nicht erfolgen kann.2 that the adjusting element 26, the angle lever 18 and the locking lever 16 run below the stock rail 10 and the switch tongue 12. As previously mentioned, the latch lever 16 is received by the tongue top 14 rotatably about the axis B and the angle lever 18 rotatably about the axis A by the fastening element 20, which starts from the jaw rail 10. It can also be seen that the elements 16, 18, 26 run in different planes, so that a mutual hindrance cannot occur when rotating or pivoting.

Von dem Zungenkloben 14 geht unterhalb der Schiebestange 26 ein Anschlag 34 aus, der dann mit einem von dem Befestigungselement 20 ausgehenden Vorsprung 36 wechselwirkt, wenn sich die Weichenzunge 12 im Ausführungsbeispiel in Richtung des Weichenendes zu der Backenschiene 10 verschoben haben sollte. In einem solchen Fall kann nämlich bei an dem Anschlag 28 anliegendem Schenkel 22 die Verbindungslinie B-C rechts von der Achse A verlaufen, wodurch eine feste Verriegelung nicht gewährleistet wäre; denn bei Krafteinwirkung in Richtung der Weichenzunge würde ohne weiteres das Drehelement 18 um die Achse A im Uhrzeigersinn drehbar sein, wodurch ein Aufschlagen der Weichenzunge 12 erfolgen würde. Diesen Extremfall berücksichtigend wirken Anschlag 34 und der Vorsprung 36 dann zusammen, wenn eine unzulässige Verschiebung von Backenschiene 10 und Weichenzunge 12 zueinander erfolgt sein sollte. In diesem Fall würde der Anschlag 34 bereits vor dem endgültigen Verriegeln der Weichenzunge an den Vorsprung 36 anstossen und dann über einen nicht dargestellten Fühler o.ä. ein Warnsignal erzeugen, das anzeigt, dass die Weiche nicht verriegelbar ist. Ebenso ist es möglich, den Vorsprung 36 hakenförmig auszubilden (Fig. 6), so dass bei einer unzulässigen Verschiebung im verschlossenen Zustand ein Öffnen der Weiche nicht möglich ist und dadurch ebenfalls eine Fehlermeldung erfolgt.A stop 34 extends from the tongue block 14 below the push rod 26, which then interacts with a projection 36 starting from the fastening element 20 if the switch tongue 12 in the exemplary embodiment should have moved in the direction of the switch end to the stock rail 10. In such a case, the connecting line B-C can run to the right of the axis A when the leg 22 abuts the stop 28, as a result of which a firm locking would not be guaranteed; because when force is applied in the direction of the switch tongue, the rotating element 18 would be rotatable clockwise about the axis A, which would cause the switch tongue 12 to open. Taking this extreme case into account, the stop 34 and the projection 36 act together if an inadmissible displacement of the stock rail 10 and the switch tongue 12 should have occurred relative to one another. In this case, the stop 34 would already abut the projection 36 before the switch tongue was finally locked and then via a sensor or the like, not shown. generate a warning signal which indicates that the turnout cannot be locked. It is also possible to form the projection 36 in the form of a hook (FIG. 6), so that in the event of an impermissible displacement in the closed state, it is not possible to open the switch, and an error message is therefore likewise generated.

Ist in dem Ausführungsbeispiel der Fig. 3 der Winkelhebel 18 derart wiedergegeben, dass seine Schenkel 22, 24 in einer Ebene verlaufen, so wird durch Fig. 5 verdeutlicht, dass diese auch über Gabeln 38, 40 mit dem Verschlusselement 16 bzw. dem Stellelement 26 verbunden sein können, um so ein sicheres Zusammenwirken im Bereich der Achsen C und D zu gewährleisten. Zu diesem Zweck verlaufen die Schenkel 22 und 22 in parallel zueinander versetzten Ebenen. Ausserdem ist es möglich, den Winkelhebel auf beiden Seiten zu lagern. Hierbei ist es notwendig, den Hebel 16 so zu gestalten, dass dieser nicht mit dem Winkelhebel in Berührung kommt.If the angle lever 18 is reproduced in the exemplary embodiment in FIG. 3 in such a way that its legs 22, 24 run in one plane, it is illustrated by FIG. 5 that it also has forks 38, 40 with the closure element 16 or the actuating element 26 can be connected in order to ensure a safe interaction in the area of the axes C and D. For this purpose, the legs 22 and 22 run in mutually offset planes. It is also possible to mount the angle lever on both sides. It is necessary to design the lever 16 so that it does not come into contact with the angle lever.

Selbstverständlich besteht auch die Möglichkeit, den Winkelhebel als Drehelement 18 durch zum Beispiel ein Kreiselement zu ersetzen, das um eine in bezug auf die Backenschiene 10 feste Achse verdrehbar und mit den Anlenkpunkten des Verschlusselementes 16 und Stellglied 26 eine feste geometrische Beziehung aufweist. Dabei muss das Kreiselement selbstverständlich auch gegen einen dem Anschlag 28 entsprechenden Anschlag dann stossen, wenn das Verschlusselement 16 die zuvor ausführlich diskutierte Nullpunktlage überschritten hat.Of course, there is also the possibility of replacing the angle lever as the rotary element 18 by, for example, a circular element which can be rotated about an axis which is fixed with respect to the stock rail 10 and which has a fixed geometric relationship with the articulation points of the closure element 16 and actuator 26. The circular element must of course also abut against a stop corresponding to the stop 28 when the closure element 16 has exceeded the zero point position previously discussed in detail.

Ist in dem Ausführungsbeispiel die Nullpunktlage 32 rechts von dem Anschlag 28 beschrieben worden, so kann diese bei entsprechender Änderung der Achsen C, D auch links von dem Anschlag 28 verlaufen, wobei dann das Drehelement im Uhrzeigersinn gedreht werden muss, wenn die Entriegelung erfolgen soll.If the zero point position 32 to the right of the stop 28 has been described in the exemplary embodiment, it can also run to the left of the stop 28 if the axes C, D are changed accordingly, the rotary element then having to be turned clockwise if the unlocking is to take place.

Claims (9)

1. Locking device for a switch point (12) having a stock rail (10), in which a locking element (16), which can be pivoted about a first axis (B) and effects locking, extends from the switch point or from a tongue attachment, and along a second axis (C) is in turn hinged on to a swivel element (18) which can be pivoted about a third axis (A) by means of a switch or sliding element (26), characterised in that the third axis (A) is arranged on the stock rail (10) or at a defined non-variable distance from the stock rail (10), that when the swivel element (18) is pivoted the locking element (16) passes a zero position (32) defined by a plane extending at right angles to the stock rail (10), and containing the first, second and third axes (B, C, A), and that when the swivel element is pivoted further and thus the locking element passes the zero position, the swivel element is pivoted into a first end position in such a way that the switch point (12) lies permanently on the stock rail (10), thus effecting locking, and that when the swivel element has been pivoted into the first end position, the first and second axes (B, C) are arranged in such a way with respect to the third axis (A) that a force from the switch point acts upon the locking element, thus preventing the release of said switch point.
2. Device according to claim 1, characterised in that the first end position is determined by a stop (28) arranged on the stock rail (10) or in a fixed position in relation to the stock rail (10).
3. Device according to claim 1, characterised in that the locking element (16) is preferably a bar-shaped or rod-shaped locking lever and the swivel element (18) is preferably an angle lever having two first and second arms (22, 24) enclosing a fixed angle, the second axis (C) extending along one of the arms (22), and preferably in the end region thereof, and the third axis (A) extending through the point of intersection of the two arms (22, 24).
4. Device according to claim 1 or 2, characterised in that in the first end position of the swivel element (18) the (first) arm (22) having the axis (C) interacts with the stop (28) which does not restrict the movement of the locking element (16).
5. Device according to claim 3, characterised in that the switch or sliding element, e.g. in the form of a slide rod (26), is hinged along a fourth axis (D) in the region of the free end of the second arm (24) of the swivel element (18).
6. Device according to at least claim 1, characterised in that the locking element (16) is elastically mounted on the switch point (12) or tongue attachment (14).
7. Device according to claim 5, characterised in that the switch or sliding element (26) can preferably be moved by means of a servomotor.
8. Device according to claim 3, characterised in that the arms (22, 24) of the swivel element (18) in the form of an angle lever extend in different planes and are preferably connected to the locking element (16) and the switch element (26) by means of forks (38,40).
9. Device according to claim 1, characterised in that a stop (34) extends from the tongue attachment (14) and then, before the locking of the switch point, interacts with a projection (36) extending directly or indirectly from the stock rail (10) when the first, second and third axes (B, C, A) cannot be brought into the plane (32) extending at right angles to the stock rail (10).
EP85103526A 1984-03-26 1985-03-26 Locking device for a switch point Expired EP0156351B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85103526T ATE47439T1 (en) 1984-03-26 1985-03-26 DEVICE FOR LOCKING A SWITCH BLADE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843411142 DE3411142A1 (en) 1984-03-26 1984-03-26 DEVICE FOR LOCKING A SWITCH TONGUE
DE3411142 1984-03-26

Publications (3)

Publication Number Publication Date
EP0156351A2 EP0156351A2 (en) 1985-10-02
EP0156351A3 EP0156351A3 (en) 1987-05-27
EP0156351B1 true EP0156351B1 (en) 1989-10-18

Family

ID=6231673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85103526A Expired EP0156351B1 (en) 1984-03-26 1985-03-26 Locking device for a switch point

Country Status (3)

Country Link
EP (1) EP0156351B1 (en)
AT (1) ATE47439T1 (en)
DE (2) DE3411142A1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127138A (en) * 1964-03-31 Railroad switch stands
DE33878C (en) * A. KLOSE in Rorschach, Schweiz Friction-reducing switch support
DE252508C (en) *
FR390427A (en) * 1908-05-20 1908-10-05 Harry Fay Roach Switch and track crossing device
FR393747A (en) * 1908-06-17 1908-12-31 Harry Fay Roach Track switch refinements
US1885366A (en) * 1931-07-20 1932-11-01 Martini Biagio Railroad track-switch
FR881749A (en) * 1942-05-04 1943-05-06 Anti-derailment switch to speed up the sorting of wagons and maneuvers in marshalling yards
DE930454C (en) * 1951-07-19 1955-07-18 Lorenz C Ag Drive with point lock for switch blades
AT328488B (en) * 1974-10-15 1976-03-25 Voest Ag VIGNOL RAIL SWITCH
AT344769B (en) * 1977-02-11 1978-08-10 Voest Ag VIGNOL RAIL SWITCH
PL112960B1 (en) * 1978-02-15 1980-11-29 Politechnika Warszawska Switch locking for railroad turnout
DE3115943C2 (en) * 1981-04-22 1984-02-02 Carl Dan. Peddinghaus Gmbh & Co Kg, 5828 Ennepetal Clamp lock for railway turnouts

Also Published As

Publication number Publication date
DE3411142A1 (en) 1985-10-03
EP0156351A2 (en) 1985-10-02
ATE47439T1 (en) 1989-11-15
DE3573814D1 (en) 1989-11-23
EP0156351A3 (en) 1987-05-27

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