EP0816966B1 - Control unit for operating an actuator - Google Patents

Control unit for operating an actuator Download PDF

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Publication number
EP0816966B1
EP0816966B1 EP97109625A EP97109625A EP0816966B1 EP 0816966 B1 EP0816966 B1 EP 0816966B1 EP 97109625 A EP97109625 A EP 97109625A EP 97109625 A EP97109625 A EP 97109625A EP 0816966 B1 EP0816966 B1 EP 0816966B1
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EP
European Patent Office
Prior art keywords
actuator
operating
control device
peg
cam gear
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 - Lifetime
Application number
EP97109625A
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German (de)
French (fr)
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EP0816966A1 (en
Inventor
Gert Dipl.-Ing. Röhling
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Airbus Operations GmbH
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Airbus Operations GmbH
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G11/00—Manually-actuated control mechanisms provided with two or more controlling members co-operating with one single controlled member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20238—Interlocked
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20372—Manual controlling elements
    • Y10T74/20384—Levers

Definitions

  • the invention relates to an actuating device for actuating an actuator
  • Operating elements the operating elements being assigned to each Bowden cable are connected to a switching device, which is in operative connection stands with the actuator and when initiating an actuating movement one of the controls releases the other control.
  • Such an adjusting device is known from DE 44 26 865.
  • a Actuation of the actuator can optionally take place from two separate locations.
  • the actuating device comprises a first and a second operating lever, the each via a pull / push cable and an input lever with a switching element is connected to a lever of the actuator to be operated acts.
  • the switching element makes it possible for an actuating movement one control lever the other control lever is released and thus the control branches function without mutual interference.
  • the switching element is designed as a symmetrical part, which has lateral recesses and at the free end of the lever to be operated Actuator is arranged.
  • engagement tongues engage in the recesses, the respective input lever of the corresponding operating branch assigned.
  • the invention has for its object a generic Train the actuator so that it works with just a few components the actuating device is reliably guaranteed and the manufacturing and maintenance costs this facility is minimized.
  • an actuating device 1 is shown, which is provided for actuating an actuator 2.
  • the actuator 2 is preferably designed as a lever which pivots about an output shaft 3 and thus serves to actuate valves and locks or to control devices and machines.
  • the sequence of movements is shown in four states, the unactuated state (OFF position) in FIG. 1, in FIGS. 2 and 3 intermediate states and in Fig. 4 the actuated state (ON position) of the device can be seen.
  • the actuating device 1 essentially consists of two operating branches which are operatively connected to the actuator 2. In this case, actuation of the actuator 2 can optionally take place from two separate locations.
  • a Bowden cable 6 or 7 with an operating element 4 or 5 arranged at the location of the operation is provided for each operating branch.
  • the control element 2 can optionally be actuated via the control elements 4 or 5. If the actuating movement has been initiated via an operating element 4 or 5, the other operating element must be released so that there is no mixing of operating measures.
  • a switching device 8 is provided, which in this embodiment is designed as a cam mechanism.
  • the cam mechanism consists of two cam gears 9 and 10, which are each arranged at a connection point 11 or 12 at the Bowden cable end of the Bowden cables 6 or 7.
  • the cam gear disks 9 or 10 each have a link guide 13 or 14 and a freewheel 15 or 16, in which a pin 17 is movable.
  • the pin 17 is arranged on the free lever end of the actuator 2.
  • the pin 17 can be moved so that, according to the operating measure on the control element 4 or 5 with the respective cam gear disk 9 or 10, the actuator 2 can be moved into the corresponding position and the cam gear disk not involved in the operating measure is released or is disabled and the corresponding control element is locked in the zero position.
  • the cam gear disks 9 and 10 are connected to one another at a pivot point 19 and articulated to a structurally fixed component and coupled to one another in such a way that the pin 17 in the link guide 14 is in operative connection with the cam gear disk 10, with the pin 17 in the freewheel 15 of the other at the same time Cam gear 9 runs.
  • the pin 17 must be made of wear-resistant material with a high frictional force to the link 13 or 14 to avoid rubbing movements.
  • the link guide 13 or 14 and the freewheel 15 or 16 form an approximately U-shaped guideway, one leg of the U-shape being the link guide 13 or 14 and the other leg forming the freewheel 15 or 16 , The legs are slightly arched outwards.
  • the guideway of the freewheel 15 or 16 is equal to the circular path 18 of the pin 17 which is arranged at the free lever end 2 and for the actuating movement along the circular path 18 is movable.
  • Other guides which are customary in terms of gear technology are also possible, but it should be noted that when freewheeling, the force transmitted by an operating element to the released link plate in the guideway of the freewheel 15 or 16 cannot act on the pin 17.
  • the shape of the link guide 13, 14 depends on the desired translation between the controls 4, 5 and the actuator 2 at the respective switching position of the actuating device 1. A non-constant translation should preferably be selected, since, for example, a higher starting torque at the beginning of the Switching process is present.
  • the transmission is technically limited on the one hand by the maximum travel of the pin 17 and on the other hand by preventing positions in which the pin 17 blocks in the link guide 13 or 14.
  • the pin can be designed as one Gear wheel axle be designed with pinion.
  • gear wheel axle be designed with pinion.
  • this positive connection can be the pinion within the guide 13 or 14 movable with only a low frictional resistance his. The effort required to actuate the actuator is one positive connection reduced.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Transmission Devices (AREA)
  • Gear-Shifting Mechanisms (AREA)

Description

Die Erfindung betrifft eine Stelleinrichtung zur Betätigung eines Stellorgans mit Bedienelementen, wobei die Bedienelemente über einen jeweils zugeordneten Bowdenzug mit einer Umschalteinrichtung verbunden sind, die in Wirkverbindung mit dem Stellorgan steht und bei Einleitung einer Stellbewegung über einen der Bedienelemente das andere Bedienelement freigibt.The invention relates to an actuating device for actuating an actuator Operating elements, the operating elements being assigned to each Bowden cable are connected to a switching device, which is in operative connection stands with the actuator and when initiating an actuating movement one of the controls releases the other control.

Aus DE 44 26 865 ist eine derartige Stelleinrichtung bekannt. Hierbei kann eine Betätigung des Stellorgans wahlweise von zwei getrennten Orten aus erfolgen. Die Stelleinrichtung umfaßt einen ersten und einen zweiten Bedienhebel, die jeweils über ein Zug-/Schub-Kabel und einen Eingangshebel mit einem Umschaltelement verbunden ist, das auf einen Hebel des zu betätigenden Stellorgans wirkt. Mit dem Umschaltelement wird ermöglicht, daß bei einer Stellbewegung eines Bedienhebels der andere Bedienhebel freigegeben wird und somit die Bedienzweige ohne eine gegenseitige Beeinflussung funktionieren. Das Umschaltelement ist dafür als symmetrisches Teil ausgebildet, welches seitliche Ausnehmungen aufweist und am freien Hebelende des zu betätigenden Stellorgans angeordnet ist. In die Ausnehmungen greifen wahlweise Eingriffszungen, die dem jeweiligen Eingangshebel des entsprechenden Bedienzweiges zugeordnet sind. Bei Bedienung eines Bedienhebels nimmt der zugeordnete Eingangshebel den Hebel des Stellorgans über seitliche Anschläge mit und die Eingriffszunge des Eingangshebels greift in die Ausnehmung des Umschaltelementes, um es so zu schwenken, daß der jeweils andere Eingangshebel freigegeben wird. Die in DE 44 26 865 aufgezeigte Lösung beruht auf einer Vielzahl von schwenkbaren Hebeln, was einen recht komplizierten und aufwendigen Aufbau aus vielen Einzelteilen der Stelleinrichtung mit sich bringt.Such an adjusting device is known from DE 44 26 865. Here, a Actuation of the actuator can optionally take place from two separate locations. The actuating device comprises a first and a second operating lever, the each via a pull / push cable and an input lever with a switching element is connected to a lever of the actuator to be operated acts. The switching element makes it possible for an actuating movement one control lever the other control lever is released and thus the control branches function without mutual interference. The switching element is designed as a symmetrical part, which has lateral recesses and at the free end of the lever to be operated Actuator is arranged. Optionally, engagement tongues engage in the recesses, the respective input lever of the corresponding operating branch assigned. When operating an operating lever, the assigned one Input lever the lever of the actuator via side stops with and Engaging tongue of the input lever engages in the recess of the switching element, to pivot it so that the other input lever is released. The solution shown in DE 44 26 865 is based on a Variety of swiveling levers, which is a rather complicated and expensive process Structure from many individual parts of the actuator.

Darüber hinaus ist bereits eine Stelleinrichtung bekannt (siehe GB-A-803949), die nicht nur die eingangs genannten Merkmale, sondern auch das Merkmal zeigt, daß die Umschalteinrichtung als Kurvengetriebe ausgebildet ist.In addition, an actuator is already known (see GB-A-803949), which not only shows the features mentioned above, but also the feature that the switching device is designed as a cam mechanism.

Demgemäß liegt der Erfindung die Aufgabe zugrunde, eine gattungsgemäße Stelleinrichtung so auszubilden, daß mit wenigen Bauteilen die Funktionsweise der Stelleinrichtung zuverlässig gewährleistet und der Herstellungs- und Wartungsaufwand dieser Einrichtung minimiert wird.Accordingly, the invention has for its object a generic Train the actuator so that it works with just a few components the actuating device is reliably guaranteed and the manufacturing and maintenance costs this facility is minimized.

Diese Aufgabe wird mit den in Patentanspruch 1 angegebenen Maßnahmen gelöst.This object is achieved with the measures specified in claim 1 solved.

Dabei ist insbesondere von Vorteil, daß nur wenige und einfache Bauteile zur Realisierung der erfindungsgemäßen Lösung notwendig sind.
Vorteilhaft ist auch, daß durch eine entsprechende Form der Kulissenführung fast jedes beliebige, auch nicht konstante Übersetzungsverhältnis realisiert werden kann.It is particularly advantageous that only a few and simple components are necessary to implement the solution according to the invention.
It is also advantageous that almost any transmission ratio, even a non-constant one, can be achieved by means of a corresponding form of the link guide.

Weiterbildungen und zweckmäßige Ausgestaltungen ergeben sich aus den Unteransprüchen 2 - 7. Further developments and expedient refinements result from the Subclaims 2 - 7.

Die Erfindung wird nachstehend beschrieben, wobei die Ausbildung der Stelleinrichtung anhand des in der Zeichnung dargestellten Ausführungsbeispiels in vier Bewegungszuständen näher erläutert ist. In den Figuren sind gleiche Bauteile mit gleichen Bezugszeichen versehen.The invention is described below, the design of the actuating device based on the embodiment shown in the drawing in four movement states is explained in more detail. The same components are in the figures provided with the same reference numerals.

Die Zeichnung zeigt

in Fig. 1
eine schematische Darstellung einer Stelleinrichtung im geschlossenen Zustand eines Stellorgans,
in Fig. 2
die Stelleinrichtung gemäß Fig. 1 zu einem ersten Zeitpunkt einer Betätigung eines Bedienetementes,
in Fig. 3
die Stelleinrichtung gemäß fig. 1 zu einem zweiten Zeitpunkt einer Betätigung eines Bedienelementes und
in Fig. 4
die Stelleinrichtung gemäß Fig. 1 im geöffneten Zustand des Stellorgans.
The drawing shows
in Fig. 1
1 shows a schematic representation of an actuating device in the closed state of an actuating member,
in Fig. 2
1 at a first point in time when an operating element is actuated,
in Fig. 3
the actuating device according to fig. 1 at a second point in time of actuation of an operating element and
in Fig. 4
1 in the open state of the actuator.

In den Fign. 1 bis 4 ist eine Stelleinrichtung 1 gezeigt, die zur Betätigung eines Stellorgans 2 vorgesehen ist. Das Stellorgan 2 ist vorzugsweise als Hebel ausgebildet, der um eine Abtriebswelle 3 schwenkt und somit zur Betätigung von Ventilen und Verriegelungen qder zur Steuerung von Geräten und Maschinen dient. In der Zeichnung ist der Bewegungsablauf in vier Zuständen gezeigt, wobei in Fig. 1 der betätigungslose Zustand (AUS-Position), in den Fign. 2 und 3 Zwischenzustände und in Fig. 4 der betätigte Zustand (EIN-Position) der Einrichtung ersichtlich ist.
Die Stelleinrichtung 1 besteht im wesentlichen aus zwei Bedienzweigen, die in Wirkverbindung mit dem Stellorgan 2 stehen. Hierbei kann eine Betätigung des Stellorgans 2 wahlweise von zwei getrennten Orten aus erfolgen. Diese Fernbedienung ist beispielsweise notwendig, wenn das zu betätigende Organ an einer unzugänglichen Stelle angeordnet ist und Bedienungsmaßnahmen über eine bestimmte Entfernung hinweg erforderlich werden. Dafür sind je Bedienzweig ein Bowdenzug 6 bzw. 7 mit einem am Ort der Bedienung angeordneten Bedienelement 4 bzw. 5 vorgesehen. Über die Bedienelemente 4 oder 5 kann wahlweise das Stellorgan 2 betätigt werden. Wenn die Stellbewegung über ein Bedienelement 4 oder 5 eingeleitet worden ist, muß das andere Bedienelement freigegeben werden, damit es nicht zu einer Vermischung von Bedienmaßnahmen kommt. Dafür ist eine Umschalteinrichtung 8 vorgesehen, welche in dieser Ausgestaltung als Kurvengetriebe ausgebildet ist. Das Kurvengetriebe besteht aus zwei Kurvengetriebescheiben 9 und 10, die jeweils an einem Anschlußpunkt 11 bzw. 12 am Bowdenzugende der Bowdenzüge 6 oder 7 angeordnet sind. Die Kurvengetriebescheiben 9 oder 10 weisen jeweils eine Kulissenführung 13 oder 14 und einen Freilauf 15 oder 16 auf, in der ein Zapfen 17 bewegbar ist. Der Zapfen 17 ist am freien Hebelende des Stellorgans 2 angeordnet. Mittels der Kurvengetriebescheiben 9 und 10 kann der Zapfen 17 so bewegt werden, daß entsprechend der Bedienungsmaßnahme am Bedienelement 4 oder 5 mit der jeweiligen Kurvengetriebescheibe 9 oder 10 das Stellorgan 2 in die entsprechende Position bewegbar ist und die nicht an der Bedienungsmaßnahme beteiligte Kurvengetriebescheibe freigegeben bzw. außer Funktion gesetzt ist und somit das entsprechende Bedienelement in der Null-Lage gesperrt ist. Die Kurvengetriebescheiben 9 und 10 sind dafür an einem Drehpunkt 19 miteinander verbunden sowie an einem strukturfesten Bauteil angelenkt und so miteinander gekoppelt, daß der Zapfen 17 in der Kulissenführung 14 mit der Kurvengetriebescheibe 10 in Wirkverbindung steht, wobei gleichzeitig der Zapfen 17 im Freilauf 15 der anderen Kurvengetriebescheibe 9 verläuft. Der Zapfen 17 muß dafür aus verschleißfestem Werkstoff mit hoher Reibkraft zur Kulisse 13 bzw. 14 bestehen, um schleifende Bewegungen zu vermeiden. In der bevorzugten Ausgestaltung bilden die Kulissenführung 13 bzw. 14 und der Freilauf 15 bzw. 16 eine annähernd U-förmige Führungsbahn, wobei ein Schenkel der U-Form die Kulissenführung 13 bzw. 14 ist und der andere Schenkel den Freilauf 15 bzw. 16 bilden. Die Schenkel sind leicht nach außen gewölbt geformt. Um einen Freilauf der jeweils freigegebenen Kurvengetriebescheibe zu ermöglichen, ist in Normalposition (siehe fig. 1) die Führungsbahn des Freilaufs 15 bzw. 16 gleich der Kreisbahn 18 des Zapfens 17, der am freien Hebelende 2 angeordnet ist und für die Stellbewegung entlang der Kreisbahn 18 verschiebbar ist. Möglich sind auch andere getriebetechnisch übliche Führungen, wobei zu beachten ist, daß beim Freilauf die von einem Bedienelement übertragene Kraft an die freigegebenen Kulissenscheibe in der Führungsbahn des Freilaufs 15 oder 16 nicht auf den Zapfen 17 wirken kann. Die Form der Kulissenführung 13, 14 hängt ab von der gewünschten Übersetzung zwischen den Bedienelementen 4, 5 und dem Stellorgan 2 an der jeweiligen Schaltposition der Stelleinrichtung 1. Vorzugsweise ist eine nicht konstante Übersetzung zu wählen, da beispielsweise ein höheres Anfahr-Drehmoment bei Beginn des Schaltvorganges vorliegt. Eine technische Begrenzung der Übersetzung erfolgt einerseits durch den maximal zurückzulegenden Weg des Zapfens 17 und andererseits duch Verhindern von Positionen, in denen der Zapfen 17 in der Kulissenführung 13 bzw. 14 blockiert.In Figs. 1 to 4, an actuating device 1 is shown, which is provided for actuating an actuator 2. The actuator 2 is preferably designed as a lever which pivots about an output shaft 3 and thus serves to actuate valves and locks or to control devices and machines. In the drawing, the sequence of movements is shown in four states, the unactuated state (OFF position) in FIG. 1, in FIGS. 2 and 3 intermediate states and in Fig. 4 the actuated state (ON position) of the device can be seen.
The actuating device 1 essentially consists of two operating branches which are operatively connected to the actuator 2. In this case, actuation of the actuator 2 can optionally take place from two separate locations. This remote control is necessary, for example, if the organ to be operated is arranged in an inaccessible place and operating measures are necessary over a certain distance. A Bowden cable 6 or 7 with an operating element 4 or 5 arranged at the location of the operation is provided for each operating branch. The control element 2 can optionally be actuated via the control elements 4 or 5. If the actuating movement has been initiated via an operating element 4 or 5, the other operating element must be released so that there is no mixing of operating measures. For this purpose, a switching device 8 is provided, which in this embodiment is designed as a cam mechanism. The cam mechanism consists of two cam gears 9 and 10, which are each arranged at a connection point 11 or 12 at the Bowden cable end of the Bowden cables 6 or 7. The cam gear disks 9 or 10 each have a link guide 13 or 14 and a freewheel 15 or 16, in which a pin 17 is movable. The pin 17 is arranged on the free lever end of the actuator 2. By means of the cam gear disks 9 and 10, the pin 17 can be moved so that, according to the operating measure on the control element 4 or 5 with the respective cam gear disk 9 or 10, the actuator 2 can be moved into the corresponding position and the cam gear disk not involved in the operating measure is released or is disabled and the corresponding control element is locked in the zero position. For this purpose, the cam gear disks 9 and 10 are connected to one another at a pivot point 19 and articulated to a structurally fixed component and coupled to one another in such a way that the pin 17 in the link guide 14 is in operative connection with the cam gear disk 10, with the pin 17 in the freewheel 15 of the other at the same time Cam gear 9 runs. The pin 17 must be made of wear-resistant material with a high frictional force to the link 13 or 14 to avoid rubbing movements. In the preferred embodiment, the link guide 13 or 14 and the freewheel 15 or 16 form an approximately U-shaped guideway, one leg of the U-shape being the link guide 13 or 14 and the other leg forming the freewheel 15 or 16 , The legs are slightly arched outwards. In order to enable the respectively released cam gear disc to run freely, in normal position (see FIG. 1) the guideway of the freewheel 15 or 16 is equal to the circular path 18 of the pin 17 which is arranged at the free lever end 2 and for the actuating movement along the circular path 18 is movable. Other guides which are customary in terms of gear technology are also possible, but it should be noted that when freewheeling, the force transmitted by an operating element to the released link plate in the guideway of the freewheel 15 or 16 cannot act on the pin 17. The shape of the link guide 13, 14 depends on the desired translation between the controls 4, 5 and the actuator 2 at the respective switching position of the actuating device 1. A non-constant translation should preferably be selected, since, for example, a higher starting torque at the beginning of the Switching process is present. The transmission is technically limited on the one hand by the maximum travel of the pin 17 and on the other hand by preventing positions in which the pin 17 blocks in the link guide 13 or 14.

Der Ablauf einer Stellbewegung wird nachfolgend beschrieben. In Fig. 1 ist der Hebel 2 noch nicht betätigt (AUS-Position). Die Kurvengetriebescheiben 9 und 10, die in dieser Ausgestaltung identisch geformt sind, nehmen eine gleiche Position ein. Der am freien Hebelende angeordnete Zapfen 17 befindet sich in den Führungsbahnen beider Kurvengetriebescheiben 9 und 10 am Totpunkt, d.h. am Umschaltpunkt zwischen Kulissenführung 13 bzw. 14 und Freilauf 15 bzw. 16.The sequence of an actuating movement is described below. 1 is the Lever 2 not yet actuated (OFF position). The cam gear discs 9 and 10, which are identically shaped in this embodiment, take the same Position on. The pin 17 arranged at the free end of the lever is located in the guideways of both cam gear disks 9 and 10 at the dead center, i.e. at the switchover point between link guide 13 or 14 and freewheel 15 or 16.

Mit Betätigung des Bedienelementes 5 wird über den Bowdenzug 7 eine Stellbewegung eingeleitet, wie in den Fign. 2 und 3 ersichtlich ist. Die Kurvengetriebescheibe 10 dreht sich dabei um den Drehpunkt 19, verschiebt den Zapfen 17 in der Kulissenführung 14 und bewegt somit den Hebel 2 in Richtung EIN-Position. Die Kurvengetriebescheibe 9 bleibt bei dieser Stellbewegung in ihrer Ausgangsposition, der Zapfen 17 kann sich innerhalb des Freilaufs 15 bewegen. Gleichzeitig ist damit der Bedienzweig mit Bedienelement 4 und Bowdenzug 6 gesperrt. Die Möglichkeit, an beiden Bedienelementen 4 und 5 nacheinander den Hebel 2 zu betätigen, ist somit ausgeschlossen. Für das Erreichen der EIN-Position wirkt das Kurvengetriebe somit als ODER-Schaltung, d.h. das Bedienelement 4 oder 5 muß für das Ausführen der Stellbewegung betätigt werden. When the control element 5 is actuated, an actuating movement is effected via the Bowden cable 7 initiated, as in Figs. 2 and 3 can be seen. The cam gear disc 10 rotates about the pivot point 19, displaces the pin 17 in the link guide 14 and thus moves the lever 2 in the direction of the ON position. The cam gear disc 9 remains in its during this actuating movement Starting position, the pin 17 can move within the freewheel 15. At the same time, the control branch with control element 4 and Bowden cable 6 locked. The possibility of using both controls 4 and 5 one after the other Operating lever 2 is therefore impossible. For reaching the In the ON position, the cam mechanism acts as an OR circuit, i.e. the Control element 4 or 5 must be actuated to carry out the actuating movement become.

In Fig. 4 ist der Hebel 2 in der EIN-Position. Der Zapfen 17 hat innerhalb der Führungsbahnen der Kurvengetriebescheiben 9 und 10 jeweils seinen Endpunkt erreicht. Die Kurvengetriebescheibe 9 ist in Ausgangsstellung und der Zapfen 17 ist am Ende des Freilaufs 15 angelangt. Der Bowdenzug 7 hat die Kurvengetriebescheibe 10 um die Achse 19 in ihre Endstellung bewegt und der Zapfen 17 ist in der Kulissenführung 14 ebenfalls am Endpunkt angelangt. Für die Stellbewegung des Hebels 2 in seine Ausgangsposition (AUS-Position) wird am Bedienhebel 5 die Bedienmaßnahme eingeleitet. Der Bowdenzug 7 muß nunmehr Schubkräfte übertragen und bewegt die Kurvengetriebescheibe 10 um den Drehpunkt 19. Der Zapfen 17 wird entlang der Kulissenführung 14 geführt und bringt damit den Hebel 2 wieder in die AUS-Position. Für das Erreichen der AUS-Position des Hebels 2 müssen sich beide Bedienelemente 4 und 5 ebenfalls in ihrer Ausgangsstellung befinden.In Fig. 4, the lever 2 is in the ON position. The pin 17 has within the Guideways of the cam gear discs 9 and 10 each have its end point reached. The cam gear 9 is in the starting position and the pin 17 has reached the end of the freewheel 15. The Bowden cable 7 has the cam gear disc 10 moved about the axis 19 in its end position and the Pin 17 has also reached the end point in the guide 14. For the actuating movement of the lever 2 in its starting position (OFF position) the operating measure is initiated on control lever 5. The Bowden cable 7 must now transmit thrust forces and moves the cam gear 10 around the pivot point 19. The pin 17 is guided along the link guide 14 and brings lever 2 back to the OFF position. For reaching the OFF position of lever 2, both controls 4 and 5 must also are in their starting position.

In einer weiteren, nicht gezeigten Ausgestaltung kann der Zapfen als eine Getrieberadachse mit Ritzel ausgebildet sein. In dieser Ausführung sind innerhalb der Kulissenführungen der Kurvengetriebescheiben Getriebeverzahnungen vorgesehen, die über das Ritzel (Zapfen) miteinander verbunden sind. Mittels dieser formschlüssigen Wirkverbindung kann das Ritzel innerhalb der Kulissenführung 13 oder 14 mit nur einem geringen Reibungswiderstand bewegbar sein. Der Kraftaufwand zur Betätigung des Stellorgans ist bei einer solchen formschlüssigen Verbindung reduziert.In a further embodiment, not shown, the pin can be designed as one Gear wheel axle be designed with pinion. In this version are inside the link guides of the cam gear discs provided that are connected to each other via the pinion (pin). through this positive connection can be the pinion within the guide 13 or 14 movable with only a low frictional resistance his. The effort required to actuate the actuator is one positive connection reduced.

Claims (7)

  1. A control device (1) for operating an actuator (2) having operating members (4, 5), wherein the operating members (4, 5) are in each case connected to a switching means (8) via an associated Bowden cable (6, 7), which switching means (8) is in active connection with the actuator (2) and releases one of the operating elements (4, 5) upon initiation of an adjusting movement via the other operating member, wherein the switching means (8) takes the form of a cam gear, characterised in that the switching means (8) consists of at least two mutually coupled cam gear discs (9, 10), which are each connected with a Bowden cable (6, 7) of an operating element (4, 5) and in the guide tracks of which, each consisting of a sliding guide portion (13, 14) and a free-wheel portion (15, 16), a peg (17) for performing the adjusting movement may be moved, which is connected with the actuator (2).
  2. A control device according to claim 1,
    characterised in that
    the actuator (2) takes the form of a lever, which is swivellable about a driven shaft (3) and arranged at the free lever end of the peg (17).
  3. A control device according to one of claims 1 or 2,
    characterised in that
    the sliding guide (13 or 14) and the free-wheel (15 or 16) of each cam gear disc (9, 10) form an approximately U-shaped guide track, wherein one leg of the U shape constitutes the sliding guide (13 or 14 respectively) and the other leg constitutes the free-wheel (15 or 16 respectively).
  4. A control device according to one of claims 1 to 3,
    characterised in that
    a frictional active connection exists between sliding guide (13, 14) and peg (17).
  5. A control device according to claims 1 to 3,
    characterised in that
    a form-fitting active connection exists between sliding guide (13, 14) and peg (17).
  6. A control device according to one of claims 1 to 5,
    characterised in that
    the peg (17) consists of wear-resistant material.
  7. A control device according to claim 5,
    characterised in that
    gear teeth are provided inside the sliding guides of the cam gear discs, which gear teeth are connected together via the peg constructed as a gear wheel axle with pinion.
EP97109625A 1996-06-29 1997-06-13 Control unit for operating an actuator Expired - Lifetime EP0816966B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19626178A DE19626178C2 (en) 1996-06-29 1996-06-29 Actuator for actuating an actuator
DE19626178 1996-06-29

Publications (2)

Publication Number Publication Date
EP0816966A1 EP0816966A1 (en) 1998-01-07
EP0816966B1 true EP0816966B1 (en) 2002-07-17

Family

ID=7798422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97109625A Expired - Lifetime EP0816966B1 (en) 1996-06-29 1997-06-13 Control unit for operating an actuator

Country Status (3)

Country Link
US (1) US5913942A (en)
EP (1) EP0816966B1 (en)
DE (2) DE19626178C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10324559A1 (en) * 2003-05-30 2004-12-23 Fico Cables, S.A., Rubi Coupling device and method for two movements
US9579241B2 (en) 2012-10-12 2017-02-28 Steelcase Inc. Support arrangement with activation mechanism
US9074648B2 (en) 2012-10-12 2015-07-07 Steelcase Inc. Braking mechanism

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US650010A (en) * 1899-09-23 1900-05-22 Lorain Steel Co Electric switch.
FR568849A (en) * 1922-07-19 1924-04-02 Daubron Sa Des Ets Locking and interlocking device for parts rotating around parallel axes
US1665407A (en) * 1925-09-17 1928-04-10 American Car & Foundry Co Throttle control for carburetors
US1956751A (en) * 1930-03-17 1934-05-01 Ver Eisenbahn Signalwerke Gmbh Interlocking gears for the locking of point throwing levers and the like
GB803949A (en) * 1955-10-14 1958-11-05 Trico Folberth Ltd Improvements in mechanical control mechanisms
FR1150174A (en) * 1956-03-16 1958-01-08 Babcock & Wilcox France Adjustment device with two independent variables
US3651709A (en) * 1970-06-04 1972-03-28 Outboard Marine Corp Dual station binnacle control
SE406236B (en) * 1975-11-10 1979-01-29 Volvo Penta Ab DEVICE FOR CONNECTING EITHER OF TWO ALTERNATIVE OPERATORS TO ONE MANUFACTURING INTENDED BODY
FR2480993A1 (en) * 1980-04-17 1981-10-23 Telemecanique Electrique LOCKING DEVICE BETWEEN TWO REMOTE ELECTRICAL DEVICES AND INSTALLATION EMPLOYING THE SAME
DE3437080A1 (en) * 1984-10-09 1986-04-17 Bayerische Motoren Werke AG, 8000 München DEVICE FOR OPERATING A ROPE CABLE COMPRISING A ROPE SLEEVE AND A TOW ROPE
JP3155365B2 (en) * 1992-08-10 2001-04-09 日本ケーブル・システム株式会社 Accelerator operation device
DE4426865C2 (en) * 1994-07-28 1996-09-26 Daimler Benz Aerospace Airbus Actuator for a push / push remote control
US5492511A (en) * 1994-11-16 1996-02-20 Westinghouse Air Brake Company Apparatus for interlocking throttle, dynamic brake and reverser handles on a control stand of a railway locomotive

Also Published As

Publication number Publication date
US5913942A (en) 1999-06-22
EP0816966A1 (en) 1998-01-07
DE59707714D1 (en) 2002-08-22
DE19626178C2 (en) 1998-07-30
DE19626178A1 (en) 1998-01-08

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