EP2329508A1 - Manual drive - Google Patents

Manual drive

Info

Publication number
EP2329508A1
EP2329508A1 EP09777379A EP09777379A EP2329508A1 EP 2329508 A1 EP2329508 A1 EP 2329508A1 EP 09777379 A EP09777379 A EP 09777379A EP 09777379 A EP09777379 A EP 09777379A EP 2329508 A1 EP2329508 A1 EP 2329508A1
Authority
EP
European Patent Office
Prior art keywords
position indicator
manual drive
diverter
indicator wheel
release
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09777379A
Other languages
German (de)
French (fr)
Other versions
EP2329508B1 (en
Inventor
Armin Burghauser
Silke Wrede
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.)
Maschinenfabrik Reinhausen GmbH
Scheubeck GmbH and Co
Original Assignee
Maschinenfabrik Reinhausen GmbH
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
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 Maschinenfabrik Reinhausen GmbH, Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen GmbH
Publication of EP2329508A1 publication Critical patent/EP2329508A1/en
Application granted granted Critical
Publication of EP2329508B1 publication Critical patent/EP2329508B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0027—Operating mechanisms
    • H01H9/0033—Operating mechanisms with means for indicating the selected tap or limiting the number of selectable taps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H2009/0061—Monitoring tap change switching devices

Definitions

  • the invention relates to a manual drive for the gradual powerless operation of a diverter to a tapped transformer.
  • Such a manual drive is already known from the document “Applicator Hand Drive MR 404.” It has a load gear for a plug-in hand crank and a control gear for a position indicator and a drive blockage.
  • the position indicator is realized by a located behind a sight glass and readable from the outside dial.
  • the control gear has in this known hand drive own gear group exclusively for this position indicator, consisting of a Maltese crank of a cam wheel, a Geneva wheel, four subsequent gears and finally the mentioned
  • Another disadvantage of the known manual drive is that no mechanical end position limitation is provided which prevents overrunning of the respective end position of the diverter to be actuated by mechanical means not only in the diverter itself, but already in the manual drive.
  • the object of the invention is therefore to provide a manual drive of the type mentioned, which has a simple and easily perceptible position indicator on the one hand and a simple mechanical, yet reliable End einsbegrenzung other.
  • the general inventive idea is to simultaneously use necessary components of an improved and optically more easily recognizable position indicator for a mechanical End einsbegrenzung with. This reduces the number of necessary components.
  • Another advantage of the invention is that this End einsbegrenzung can be easily adapted to different overall position numbers of the manual drive.
  • a position indicator of a motor drive for actuating a tap changer which has two scales on a display board.
  • the first scale is overlined by a first pointer.
  • a second scale is provided on the symbols are arranged, which are assigned to the individual operating positions. This scale corresponds to a second pointer, which in each case rotates at a changeover by the angle between two adjacent operating position symbols.
  • a display gear is provided below the display board, which is designed such that when switching the first pointer is rotated depending on the direction of rotation by 360 degrees and the second pointer is rotated depending on the direction of rotation by the angle described between two adjacent symbols on the second scale.
  • this known for motor drives on tap changers position indicator is modified for a manual drive of a diverter and further developed with additional means for mechanical limit setting. This is in a particularly advantageous manner a component reduction and an overall simple design of the manual drive possible.
  • Figure 1 shows a part of the manual drive with a End einssperre
  • FIG. 6 shows a part of the manual drive according to the invention from the side opposite to FIG. 5; also in a schematic, perspective
  • the manual drive has a manual shaft 1, which can be rotated by a plug-in, not shown hand crank. Here correspond to 8 revolutions of the hand crank and thus the manual shaft 1 of a complete switch. Fixed to the hand shaft 1 is an end stop 2, which will be explained later in more detail.
  • the hand shaft 1 acts on a display gear 3, this in turn on a Stellungsan Undererad 4.
  • the display gear 3 is dimensioned such that at each complete actuation of the manual drive, ie switching between two adjacent positions of the associated Umstellers, the Stellungsan Selferad 4 rotates at a certain angle , This angle corresponds to the distance between two adjacent position symbols on a display board, not shown.
  • the position symbols are swept by a pointer that is fixed to the position indicator wheel 4, but not shown here.
  • the respective current operating position is displayed by the pointer, as is already known from WO 98/38662.
  • On a concentric circle on the Stellungsan Adjusterad 4 are also receiving bores 5, which are arranged at the same angle to each other, which corresponds to the rotation angle of the Stellungsan Standerades 4 and thus the associated pointer when switching.
  • the rotation of the manual shaft 1 thus causes a rotation of the Stellungsan Serviceerades 4.
  • This angle of rotation per circuit is transmitted via the pointer, which is connected to the position indicator wheel 4, to a display of the current operating position, in which the diverter is currently located.
  • the pointer covers a fixed scale, as already known from WO 98/38662.
  • the mounting holes 5, which serve to receive the release pin 1 1 for the End einssperre are, as explained, arranged in these rotational angular intervals.
  • 11 corresponding information can be tapped from the release bolt, which are brought into connection with the respective operating position of the diverter.
  • these release bolts 11 are used to determine the end position.
  • each of those exception bores 5 are provided with corresponding release bolts 11, 12, which correspond to an operating position which is exactly one more position than the last possible operating position of the diverter.
  • the release bolts 1 1, 12 are positioned so that they are located at both angular ranges left and right of the respective switchable end positions of the respective diverter and thus limit the switching range on both sides.
  • the number of possible positions of the diverter and thus the positioning of the release bolts 11, 12 depends on the particular type of diverter. Due to the arrangement of receiving holes 5 in the respective angular distance on a concentric, complete circle on the positioner 4 is an adjustment of the manual drive to the respective diverter, with which he is to interact, and given its possible position number in a simple manner.
  • Figure 2 shows the last possible Radioteliung the diverter. In this position, the End einssperre is in the position shown. The locking fork 10 is still in the neutral position in which it is fixed by the spring 7; the release bolt 11 does not touch the release plate 8.
  • FIG. 3 shows the end position limitation in a situation in which it is attempted to determine the last possible position, ie the last position. H. to switch on the end position.
  • the condition is shown at half a hand crank revolution; this corresponds to 1/16 circuit.
  • the trigger pin 11 now touches the release plate 8.
  • the locking fork 10 is deflected against the force of the spring 7 from its neutral position to the left.
  • the end stop 2 can move just in this position on the locking fork 10 over.
  • Figure 4 shows the situation with continued further rotation beyond the last possible end position, here at 1 1/4 crank rotation, this corresponds to 5/32 circuit.
  • the trigger pin 11 now pushes the release plate 8 and thus the locking fork 10 even further from its neutral position to the left.
  • the end stop 2 is thus no longer past the locking fork 10 with its end stop contour 13.
  • the end position blocking is active; by the positive locking of the locking fork 10 with the end stop contour 13 of the end stop 2 further rotation in this direction is not possible. Only by turning the hand crank in the opposite direction, ie from the end position of the Umsteller out in its regular switching range, an automatic unlocking of the manual drive is possible.
  • FIG. 5 once again shows, in a schematic representation, the interaction of the release bolts 11, 12, of the release plate 8 with the firmly connected locking fork 10 with its locking contour 14 and the end stop 2 with its end stop contour 13.
  • Figure 6 shows the inventive hand drive from the other side, also in a perspective view.
  • the previously mentioned pointer 15 is shown, which is firmly connected to the Stellungsan Adjusterad 4.
  • a switching monitoring segment 16 is still provided, which is fastened in further receiving bores 17 on a further pitch of the position indicator wheel 4.
  • the front side of the switch monitoring segment 16 carries cams having the same pitch as the display symbols. These cams correspond to a known manner with an electrical switch 18 and serve together with this for electrical switching monitoring.
  • the positioning of the switching monitoring segment 16 is also dependent on the number of stages of the diverter. It is dimensioned such that for each possible switching position a characteristic sub-contour, ie a cam or a cam valley, is provided on the front side.
  • the manual drive according to the invention offers a number of advantages.
  • a Stellungsan Adjusterad 4 available, which is already known from tap changers way optically well perceivable position indicator by means of a pointer 15.
  • This position indicator wheel 4 is also used in the invention as part of the mechanical end position limitation. In a particularly advantageous manner, it can also be used as part of the electrical switching monitoring application.

Abstract

The invention relates to a manual drive for step-by-step operation, without any power, of a tap changer (1) on a tap-changing transformer. The manual drive has a position indication wheel (4) which is used not only, in conjunction with a pointer (15), for actual position indication, but at the same time as a component of mechanical final-position limiting (10, 11, 12). It can also furthermore be used (18) in a particularly advantageous manner as a component of electrical switching monitoring.

Description

Handantrieb hand drive
Die Erfindung betrifft einen Handantrieb zur schrittweisen leistungslosen Betätigung eines Umstellers an einem Stufentransformator.The invention relates to a manual drive for the gradual powerless operation of a diverter to a tapped transformer.
Ein solcher Handantrieb ist aus der Druckschrift der Anmelderin „Handantrieb MR 404" bereits bekannt. Er besitzt ein Lastgetriebe für eine einsteckbare Handkurbel sowie ein Steuergetriebe für eine Stellungsanzeige und eine Antriebsblockierung.Such a manual drive is already known from the document "Applicator Hand Drive MR 404." It has a load gear for a plug-in hand crank and a control gear for a position indicator and a drive blockage.
Die Stellungsanzeige wird dabei durch eine sich hinter einem Schauglas befindliche und von außen ablesbare Nummernscheibe realisiert.The position indicator is realized by a located behind a sight glass and readable from the outside dial.
Das Steuergetriebe besitzt bei diesem bekannten Handantrieb eine eigene Getriebegruppe ausschließlich für diese Stellungsanzeige, bestehend aus einer Malteserkurbel eines Nockenrades, einem Malteserrad, vier darauf folgenden Zahnrädern und schließlich der erwähntenThe control gear has in this known hand drive own gear group exclusively for this position indicator, consisting of a Maltese crank of a cam wheel, a Geneva wheel, four subsequent gears and finally the mentioned
Nummernscheibe.Dial.
Es liegt auf der Hand, dass eine solche Stellungsanzeige durch derart viele notwendige Getriebebauteile außerordentlich kompliziert ist.It is obvious that such a position indicator is extremely complicated by so many necessary transmission components.
Ein weiterer Nachteil des bekannten Handantriebes besteht darin, dass keine mechanische Endstellungsbegrenzung vorgesehen ist, die ein Überfahren der jeweiligen Endposition des zu betätigenden Umstellers mit mechanischen Mitteln nicht erst im Umsteller selbst, sondern bereits im Handantrieb verhindert.Another disadvantage of the known manual drive is that no mechanical end position limitation is provided which prevents overrunning of the respective end position of the diverter to be actuated by mechanical means not only in the diverter itself, but already in the manual drive.
Aufgabe der Erfindung ist es demnach, einen Handantrieb der eingangs genannten Art anzugeben, der eine einfache und leicht wahrnehmbare Stellungsanzeige einerseits und eine einfache mechanische, dennoch zuverlässige Endstellungsbegrenzung andererseits aufweist.The object of the invention is therefore to provide a manual drive of the type mentioned, which has a simple and easily perceptible position indicator on the one hand and a simple mechanical, yet reliable Endstellungsbegrenzung other.
Diese Aufgabe wird durch einen Handantrieb mit den Merkmalen des ersten Patentanspruchs gelöst. Die Unteransprüche betreffen vorteilhafte Weiterbildungen der Erfindung.This object is achieved by a manual drive with the features of the first claim. The subclaims relate to advantageous developments of the invention.
Die allgemeine erfinderische Idee besteht darin, ohnehin notwendige Bauteile einer verbesserten und optisch leichter wahrnehmbaren Stellungsanzeige gleichzeitig für eine mechanische Endstellungsbegrenzung mit zu verwenden. Dies reduziert die Zahl der notwendigen Bauteile. Ein weiterer Vorteil der Erfindung besteht darin, dass diese Endstellungsbegrenzung auf einfache Weise an unterschiedliche Gesamtstellungszahlen des Handantriebes angepasst werden kann.The general inventive idea is to simultaneously use necessary components of an improved and optically more easily recognizable position indicator for a mechanical Endstellungsbegrenzung with. This reduces the number of necessary components. Another advantage of the invention is that this Endstellungsbegrenzung can be easily adapted to different overall position numbers of the manual drive.
Aus der WO 98/38662 ist eine Stellungsanzeige eines Motorantriebes zur Betätigung eines Stufenschalters bekannt, die auf einer Anzeigeplatine zwei Skalen aufweist. Auf der ersten Skala sind Symbole angeordnet, die den einzelnen Schaltschritten zugeordnet sind, die bei einer Umschaltung von einer Betriebsstellung in eine benachbarte andere Betriebsstellung des Stufenschalters durchlaufen werden. Diese erste Skala wird von einem ersten Zeiger überstrichen. Weiterhin ist eine zweite Skala vorgesehen, auf der Symbole angeordnet sind, die den einzelnen Betriebsstellungen zugeordnet sind. Diese Skala korrespondiert mit einem zweiten Zeiger, der sich jeweils bei einer Umschaltung um den Winkel zwischen zwei benachbarten Betriebsstellungssymbolen dreht. Unterhalb der Anzeigeplatine ist ein Anzeigegetriebe vorgesehen, das derart ausgebildet ist, dass bei einer Umschaltung der erste Zeiger drehrichtungsabhängig um 360 Grad gedreht wird und der zweite Zeiger drehrichtungsabhängig um den beschriebenen Winkel zwischen zwei benachbarten Symbolen auf der zweiten Skala gedreht wird.From WO 98/38662 a position indicator of a motor drive for actuating a tap changer is known which has two scales on a display board. Arranged on the first scale are symbols which are assigned to the individual switching steps that occur when switching over be passed from one operating position to an adjacent other operating position of the tap changer. This first scale is overlined by a first pointer. Furthermore, a second scale is provided on the symbols are arranged, which are assigned to the individual operating positions. This scale corresponds to a second pointer, which in each case rotates at a changeover by the angle between two adjacent operating position symbols. Below the display board, a display gear is provided, which is designed such that when switching the first pointer is rotated depending on the direction of rotation by 360 degrees and the second pointer is rotated depending on the direction of rotation by the angle described between two adjacent symbols on the second scale.
Bei der Erfindung wird diese für Motorantriebe an Stufenschaltern bekannte Stellungsanzeige für einen Handantrieb eines Umstellers abgewandelt und mit zusätzlichen Mitteln zur mechanischen Endstellungsbegrenzung weiter entwickelt. Damit ist auf besonders vorteilhafte Weise eine Bauteilreduzierung und ein insgesamt einfacher Aufbau des Handantriebes möglich.In the invention, this known for motor drives on tap changers position indicator is modified for a manual drive of a diverter and further developed with additional means for mechanical limit setting. This is in a particularly advantageous manner a component reduction and an overall simple design of the manual drive possible.
Die Erfindung soll nachfolgend an Hand von Zeichnungen beispielhaft noch näher erläutert werden.The invention will be explained in more detail by way of example with reference to drawings.
Es zeigen:Show it:
Figur 1 einen Teil des Handantriebes mit einer EndstellungssperreFigure 1 shows a part of the manual drive with a Endstellungssperre
Figur 2 bis 4 verschiedene Stellungen der Endstellungssperre beim Erreichen einer Endposition des Handantriebes Figur 5 wichtige Bauteile der Endstellungssperre in schematischer perspektivischerFigures 2 to 4 different positions of the end position lock when reaching an end position of the hand drive Figure 5 important components of the end position lock in a schematic perspective
Darstellung Figur 6 einen Teil des erfindungsgemäßen Handantriebes von der gegenüber Figur 5 gesehen entgegengesetzten Seite; ebenfalls in schematischer, perspektivischerFIG. 6 shows a part of the manual drive according to the invention from the side opposite to FIG. 5; also in a schematic, perspective
Darstellung.Presentation.
Zunächst soll der in Figur 1 dargestellte Aufbau der erfindungsgemäßen Endstellungssperre eines Handantriebes näher erläutert werden.First, the structure shown in Figure 1 of the invention Endstellungssperre a manual drive will be explained in detail.
Der Handantrieb besitzt eine Handwelle 1 , die durch eine einsteckbare, nicht dargestellte Handkurbel gedreht werden kann. Dabei entsprechen hier 8 Umdrehungen der Handkurbel und damit der Handwelle 1 einer vollständigen Umschaltung. Fest mit der Handwelle 1 verbunden ist ein Endanschlag 2, der später noch näher erläutert werden wird. Die Handwelle 1 wirkt auf ein Anzeigegetriebe 3, dieses wiederum auf ein Stellungsanzeigerad 4. Das Anzeigegetriebe 3 ist derart dimensioniert, dass bei jeder vollständigen Betätigung des Handantriebes, d. h. Umschaltung zwischen zwei benachbarten Positionen des zugehörigen Umstellers, sich das Stellungsanzeigerad 4 um einen bestimmten Winkel dreht. Dieser Winkel entspricht dem Abstand zwischen zwei benachbarten Stellungssymbolen auf einer nicht dargestellten Anzeigeplatine. Die Stellungssymbole werden durch einen Zeiger überstrichen, der fest mit dem Stellungsanzeigerad 4 verbunden ist, hier allerdings nicht dargestellt ist. Damit wird durch den Zeiger die jeweilige aktuelle Betriebsstellung angezeigt, wie dies bereits aus der WO 98/38662 bekannt ist. Auf einem konzentrischen Kreis auf dem Stellungsanzeigerad 4 befinden sich ferner Aufnahmebohrungen 5, die im gleichen Winkel zueinander angeordnet sind, der dem Drehwinkel des Stellungsanzeigerades 4 und damit des mit ihm verbundenen Zeigers bei einer Umschaltung entspricht.The manual drive has a manual shaft 1, which can be rotated by a plug-in, not shown hand crank. Here correspond to 8 revolutions of the hand crank and thus the manual shaft 1 of a complete switch. Fixed to the hand shaft 1 is an end stop 2, which will be explained later in more detail. The hand shaft 1 acts on a display gear 3, this in turn on a Stellungsanzeigerad 4. The display gear 3 is dimensioned such that at each complete actuation of the manual drive, ie switching between two adjacent positions of the associated Umstellers, the Stellungsanzeigerad 4 rotates at a certain angle , This angle corresponds to the distance between two adjacent position symbols on a display board, not shown. The position symbols are swept by a pointer that is fixed to the position indicator wheel 4, but not shown here. Thus, the respective current operating position is displayed by the pointer, as is already known from WO 98/38662. On a concentric circle on the Stellungsanzeigerad 4 are also receiving bores 5, which are arranged at the same angle to each other, which corresponds to the rotation angle of the Stellungsanzeigerades 4 and thus the associated pointer when switching.
An einer nicht dargestellten Halterung befindet sich im Handantrieb weiterhin eine feste Federaufhängung 6, an der eine Feder 7 angelenkt ist. An ihrem anderen freien Ende ist die Feder 7 an einem Auslöseblech 8 angelenkt, das wiederum auf eine drehbare Sperrgabelwelle 9 wirkt, an der eine Sperrgabel 10 drehfest befestigt ist. In der Figur 1 sind weiterhin zwei Auslösebolzen 11 , 12 gezeigt, die den Endstellungen entsprechen, die der Handantrieb erreichen kann. Das Auslöseblech 8 ist derart angeordnet, dass es von den vorbei geführten Auslösebolzen 11 ,12 getroffen wird und, je nach Drehrichtung des auftreffenden Auslösebolzens 11 oder 12, seitlich ausgelenkt wird. Der Endanschlag 2 besitzt eine Endanschlagkontur 13, die weiter unten noch näher erläutert werden wird. Die Sperrgabel 10 ihrerseits besitzt eine mit der Endanschlagkontur 13 korrespondierende Sperrkontur 14.On a holder, not shown, there is still a fixed spring suspension 6 in the manual drive, to which a spring 7 is articulated. At its other free end, the spring 7 is hinged to a release plate 8, which in turn acts on a rotatable locking fork shaft 9, on which a locking fork 10 is rotatably attached. In the figure 1, two release bolts 11, 12 are further shown, which correspond to the end positions, which can reach the manual drive. The triggering plate 8 is arranged such that it is struck by the passing over trip bolts 11, 12 and, depending on the direction of rotation of the impinging trigger pin 11 or 12, laterally deflected. The end stop 2 has an end stop contour 13, which will be explained in more detail below. The locking fork 10 in turn has a locking contour 14 corresponding to the end stop contour 13.
Die Drehung der Handwelle 1 bewirkt demnach eine Drehung des Stellungsanzeigerades 4. Dabei wird, wie erläutert, die Drehbewegung der Handwelle 1 über ein Anzeigegetriebe 3 in einen beliebigen Drehwinkel pro Schaltung reduziert. Dieser Drehwinkel pro Schaltung wird über den Zeiger, der mit dem Stellungsanzeigerad 4 verbunden ist, auf eine Anzeige der aktuellen Betriebsstellung, in der sich der Umsteller gerade befindet, übertragen. Dazu überstreicht der Zeiger eine feststehende Skala, so wie dies aus der WO 98/38662 bereits bekannt ist.The rotation of the manual shaft 1 thus causes a rotation of the Stellungsanzeigerades 4. Here, as explained, reduces the rotational movement of the manual shaft 1 via a display gear 3 in an arbitrary angle of rotation per circuit. This angle of rotation per circuit is transmitted via the pointer, which is connected to the position indicator wheel 4, to a display of the current operating position, in which the diverter is currently located. For this purpose, the pointer covers a fixed scale, as already known from WO 98/38662.
Die Aufnahmebohrungen 5, die zur Aufnahme der Auslösebolzen 1 1 für die Endstellungssperre dienen, sind, wie erläutert, in diesen Drehwinkelabständen angeordnet. Dadurch können von dem Auslösebolzen 11 entsprechende Informationen abgegriffen werden, die mit der jeweiligen Betriebsstellung des Umstellers in Verbindung gebracht werden. Bei der Erfindung werden diese Auslösebolzen 11 zur Ermittlung der Endstellung benutzt. Dazu sind jeweils diejenigen Ausnahmebohrungen 5 mit entsprechenden Auslösebolzen 11 , 12 versehen, die einer Betriebsstellung entsprechen, die genau eine Stellung mehr ist, als die zuletzt mögliche Betriebsstellung des Umstellers. Mit anderen Worten: Die Auslösebolzen 1 1 , 12 sind derart positioniert, dass sie sich an beiden Winkelbereichen links und rechts der jeweils schaltbaren Endpositionen des jeweiligen Umstellers befinden und damit den Schaltbereich beidseitig begrenzen. Die Zahl der möglichen Stellungen des Umstellers und damit die Positionierung der Auslösebolzen 11 , 12 hängt von der jeweiligen Bauart des Umstellers ab. Durch die Anordnung von Aufnahmebohrungen 5 im jeweiligen Winkelabstand auf einem konzentrischen, vollständigen Kreis auf dem Stellungsrad 4 ist auf einfache Weise eine Anpassung des Handantriebes auf den jeweiligen Umsteller, mit dem er zusammenwirken soll, sowie dessen mögliche Stellungszahl gegeben. Figur 2 zeigt die letztmögliche Betriebssteliung des Umstellers. In dieser Stellung befindet sich die Endstellungssperre in der gezeigten Lage. Die Sperrgabel 10 ist noch in Neutralposition, in der sie durch die Feder 7 fixiert ist; der Auslösebolzen 11 berührt das Auslöseblech 8 nicht.The mounting holes 5, which serve to receive the release pin 1 1 for the Endstellungssperre are, as explained, arranged in these rotational angular intervals. As a result, 11 corresponding information can be tapped from the release bolt, which are brought into connection with the respective operating position of the diverter. In the invention, these release bolts 11 are used to determine the end position. For this purpose, each of those exception bores 5 are provided with corresponding release bolts 11, 12, which correspond to an operating position which is exactly one more position than the last possible operating position of the diverter. In other words, the release bolts 1 1, 12 are positioned so that they are located at both angular ranges left and right of the respective switchable end positions of the respective diverter and thus limit the switching range on both sides. The number of possible positions of the diverter and thus the positioning of the release bolts 11, 12 depends on the particular type of diverter. Due to the arrangement of receiving holes 5 in the respective angular distance on a concentric, complete circle on the positioner 4 is an adjustment of the manual drive to the respective diverter, with which he is to interact, and given its possible position number in a simple manner. Figure 2 shows the last possible Betriebsteliung the diverter. In this position, the Endstellungssperre is in the position shown. The locking fork 10 is still in the neutral position in which it is fixed by the spring 7; the release bolt 11 does not touch the release plate 8.
Figur 3 zeigt die Endstellungsbegrenzung in einer Lage, in der versucht wird, über die letztmögliche Position, d. h. die Endstellung weiterzuschalten. Hier ist der Zustand bei einer halben Handkurbelumdrehung gezeigt; dies entspricht 1/16 Schaltung. Es ist zu sehen, dass der Auslösebolzen 11 jetzt das Auslöseblech 8 berührt. Damit wird die Sperrgabel 10 gegen die Kraft der Feder 7 aus ihrer Neutrallage nach links ausgelenkt. Der Endanschlag 2 kann in dieser Lage gerade noch an der Sperrgabel 10 vorbei sich bewegen.FIG. 3 shows the end position limitation in a situation in which it is attempted to determine the last possible position, ie the last position. H. to switch on the end position. Here the condition is shown at half a hand crank revolution; this corresponds to 1/16 circuit. It can be seen that the trigger pin 11 now touches the release plate 8. Thus, the locking fork 10 is deflected against the force of the spring 7 from its neutral position to the left. The end stop 2 can move just in this position on the locking fork 10 over.
Figur 4 zeigt die Situation bei fortgesetzter Weiterdrehung über die letztmögliche Endstellung hinaus, hier bei 1 1/4 Handkurbelumdrehung, dies entspricht 5/32 Schaltung. Der Auslösebolzen 11 drückt jetzt das Auslöseblech 8 und damit die Sperrgabel 10 noch weiter aus ihrer Neutrallage nach links. Der Endanschlag 2 kommt damit mit seiner Endanschlagkontur 13 nicht mehr an der Sperrgabel 10 vorbei. Die Endstellungsblockierung ist aktiv; durch die formschlüssige Verriegelung der Sperrgabel 10 mit der Endanschlagkontur 13 des Endanschlages 2 ist ein Weiterdrehen in dieser Richtung nicht möglich. Nur durch Drehen der Handkurbel in der entgegengesetzten Richtung, also aus der Endstellung des Umstellers heraus in dessen regulären Schaltbereich, ist ein selbsttätiges Entsperren des Handantriebes möglich.Figure 4 shows the situation with continued further rotation beyond the last possible end position, here at 1 1/4 crank rotation, this corresponds to 5/32 circuit. The trigger pin 11 now pushes the release plate 8 and thus the locking fork 10 even further from its neutral position to the left. The end stop 2 is thus no longer past the locking fork 10 with its end stop contour 13. The end position blocking is active; by the positive locking of the locking fork 10 with the end stop contour 13 of the end stop 2 further rotation in this direction is not possible. Only by turning the hand crank in the opposite direction, ie from the end position of the Umsteller out in its regular switching range, an automatic unlocking of the manual drive is possible.
Figur 5 zeigt noch einmal in schematischer Darstellung das Zusammenwirken der Auslösebolzen 11 , 12, des Auslösebleches 8 mit der festverbundenen Sperrgabel 10 mit ihrer Sperrkontur 14 und des Endanschlages 2 mit seiner Endanschlagkontur 13.FIG. 5 once again shows, in a schematic representation, the interaction of the release bolts 11, 12, of the release plate 8 with the firmly connected locking fork 10 with its locking contour 14 and the end stop 2 with its end stop contour 13.
Figur 6 zeigt den erfinderischen Handantrieb von der anderen Seite, ebenfalls in perspektivischer Darstellung. Hier ist noch der früher bereits erwähnte Zeiger 15 dargestellt, der fest mit dem Stellungsanzeigerad 4 verbunden ist. Die unter dem Zeiger 15 liegende Anzeigeplatine mit den einzelnen,- den möglichen Betriebsstellungen entsprechenden Symbolen, die überstrichen werden können, ist nicht dargestellt. Wichtig ist, dies wurde bereits weiter oben erläutert, dass sich der Zeiger 15 bei jeder Umschaltung um einen bestimmten Winkel dreht, der dem Abstand zwischen zwei benachbarten Stellungssymbolen entspricht.Figure 6 shows the inventive hand drive from the other side, also in a perspective view. Here, the previously mentioned pointer 15 is shown, which is firmly connected to the Stellungsanzeigerad 4. The display board under the pointer 15 with the individual, - the possible operating positions corresponding symbols that can be overlined, is not shown. It is important, as has already been explained above, that the pointer 15 rotates at each switch by a certain angle, which corresponds to the distance between two adjacent position symbols.
In besonders vorteilhafter Weiterbildung der Erfindung ist noch ein Schaltüberwachungssegment 16 vorgesehen, das in weiteren Aufnahmebohrungen 17 auf einem weiteren Teilkreis des Stellungsanzeigerades 4 befestigt ist. Die Stirnseite des Schaltüberwachungssegmentes 16 trägt Nocken, die die gleiche Teilung wie die Anzeigesymbole besitzen. Diese Nocken korrespondieren auf an sich bekannte Weise mit einem elektrischen Schalter 18 und dienen gemeinsam mit diesem zur elektrischen Schaltüberwachung. Analog der wahlweisen Positionierung der Auslösebolzen 11 , 12, abhängig von der konkreten Bauform des zu betätigenden Umstellers, ist auch das Schaltüberwachungssegment derartig flexibel angeordnet. Auch die Positionierung des Schaltüberwachungssegmentes 16 ist abhängig von der Stufenzahl des Umstellers. Es ist dabei derart dimensioniert, dass für jede mögliche Schaltstellung eine charakteristische Teilkontur, d. h. ein Nocken oder ein Nockental, auf der Stirnseite vorgesehen ist.In a particularly advantageous embodiment of the invention, a switching monitoring segment 16 is still provided, which is fastened in further receiving bores 17 on a further pitch of the position indicator wheel 4. The front side of the switch monitoring segment 16 carries cams having the same pitch as the display symbols. These cams correspond to a known manner with an electrical switch 18 and serve together with this for electrical switching monitoring. Analogous to the optional positioning of the release bolts 11, 12, depending on the specific design of the converter to be operated, and the switching monitoring segment is arranged so flexible. The positioning of the switching monitoring segment 16 is also dependent on the number of stages of the diverter. It is dimensioned such that for each possible switching position a characteristic sub-contour, ie a cam or a cam valley, is provided on the front side.
Insgesamt bietet der erfindungsgemäße Handantrieb eine Reihe von Vorteilen. Es ist ein Stellungsanzeigerad 4 vorhanden, das auf von Stufenschaltern bereits bekannte Weise zur optisch gut wahrnehmbaren Stellungsanzeige mittels eines Zeigers 15 dient. Dieses Stellungsanzeigerad 4 wird bei der Erfindung auch gleichzeitig als Bestandteil der mechanischen Endstellungsbegrenzung verwendet. Auf besonders vorteilhafte Weise kann es weiterhin auch als Bestandteil der elektrischen Schaltüberwachung Anwendung finden.Overall, the manual drive according to the invention offers a number of advantages. There is a Stellungsanzeigerad 4 available, which is already known from tap changers way optically well perceivable position indicator by means of a pointer 15. This position indicator wheel 4 is also used in the invention as part of the mechanical end position limitation. In a particularly advantageous manner, it can also be used as part of the electrical switching monitoring application.
Es erfolgt also eine Mehrfachnutzung des Stellungsanzeigerades 4; dies ergibt eine einfache Konstruktion mit wenig Bauteilen. Ferner ist eine einfache Anpassung aller Funktionen an den entsprechenden Umsteller, der betätigt werden soll, möglich. Diese Anpassung betrifft sowohl die Zahl der möglichen Schaltstellungen des Umstellers als auch die Zahl der erforderlichen Umdrehungen der Handkurbel für eine Umschaltung. Schließlich ist auch eine ebenso einfache Anpassung an unterschiedliche Teilungen der Stellungsanzeige, d. h. unterschiedliche Winkelabstände zwischen benachbarten Stellungssymbolen, möglich. Thus, there is a multiple use of the position indicator wheel 4; This results in a simple construction with few components. Furthermore, a simple adaptation of all functions to the corresponding diverter to be operated is possible. This adjustment affects both the number of possible switching positions of the diverter and the number of required turns of the hand crank for a changeover. Finally, an equally simple adaptation to different pitches of the position indicator, ie different angular distances between adjacent position symbols is possible.
BezugszeichenaufstellungREFERENCE NUMBERS
1 Handwelle1 hand shaft
2 Endanschlag2 end stop
3 Anzeigegetriebe3 display gear
4 Stellungsanzeigerad4 position indicator wheel
5 Aufnahmebohrung5 receiving hole
6 Federaufhängung6 spring suspension
7 Feder7 spring
8 Auslöseblech8 release plate
9 Sperrgabelwelle9 locking fork shaft
10 Sperrgabel10 locking fork
11 Auslösebolzen11 release bolts
12 Auslösebolzen12 release bolts
13 Endanschlagkontur13 end stop contour
14 Sperrkontur14 locking contour
15 Zeiger15 pointers
16 Schaltüberwachungssegment16 switching monitoring segment
17 Bohrungen17 holes
18 elektrischer Schalter 18 electrical switch

Claims

Patentansprüche claims
1. Handantrieb zur schrittweisen leistungslosen Betätigung eines Umstellers an einem1. Manual drive for the gradual powerless operation of a diverter to a
Stufentransformator, wobei eine einsteckbare Handkurbel in eine Handwelle eingreift und auf ein Lastgetriebe zurStufentransformator, with an insertable hand crank engages in a manual shaft and a load gear for
Betätigung des Umstellers sowie ein Anzeigegetriebe, das mit einer Stellungsanzeige in Verbindung steht, wirkt, dadurch gekennzeichnet, dass das Anzeigegetriebe (3) ein Stellungsanzeigerad (4) aufweist,Actuation of the diverter and a display gear, which communicates with a position indicator, acts, characterized in that the display gear (3) has a position indicator wheel (4),
(ciJ dass das Anzeigegetriebe (3) derart dimensioniert; dass bei jeder vollständigen Betätigung des(ciJ that the display gear (3) is dimensioned such that with each complete actuation of the
Handantriebes, d. h. Umschaltung zwischen zwei benachbarten Positionen des Umstellers, sich dasHand drive, d. H. Switching between two adjacent positions of the diverter, the
Stellungsanzeigerad (4) um einen bestimmten Winkel dreht, dass fest am Stellungsanzeigerad (4) ein Zeiger (15) angeordnet ist, der mit einer Skala korrespondiert, dass das Stellungsanzeigerad (4) auf einem konzentrischen Kreis Aufnahmebohrungen (5) zurPosition indicator wheel (4) rotates by a certain angle, that at the position indicator wheel (4) a pointer (15) is arranged, which corresponds to a scale that the position indicator wheel (4) on a concentric circle receiving bores (5)
Aufnahme von Auslösebolzen (11 , 12) aufweist, die in einem Winkel zueinander angeordnet sind, der dem Drehwinkel des Stellungsanzeigerades (4) bei einer Umschaltung entspricht, dass der Handantrieb weiterhin eine feste Federaufhängung (6) aufweist, an der eine Feder (7) angelenkt ist, die an ihrem anderen freien Ende an einem Auslöseblech (8) angelenkt ist, das wiederum auf eine drehbare Sperrgabelwelle (9) wirkt, an der eine Sperrgabel (10) befestigt ist, dass das Auslöseblech (8) derart angeordnet ist, dass es von den vorbeibewegten Auslösebolzen (11 ,Receiving release pins (11, 12) which are arranged at an angle to one another which corresponds to the rotation angle of the position indicator wheel (4) during a changeover, that the manual drive furthermore has a fixed spring suspension (6) on which a spring (7) is articulated, which is articulated at its other free end to a release plate (8) which in turn acts on a rotatable locking fork shaft (9) on which a locking fork (10) is fixed, that the release plate (8) is arranged such that it from the passing bolts (11,
12) getroffen und seitlich ausgelenkt wird, dass die Handwelle (1) einen mechanischen Endanschlag (2) besitzt und dass die auslenkbare Sperrgabel (10) mit dem Endschlag (2) korrespondiert, derart, dass die12) and deflected laterally, that the hand shaft (1) has a mechanical end stop (2) and that the deflectable locking fork (10) with the end stop (2) corresponds, such that the
Sperrgabel in ausgelenktem Zustand, d. h. bei Erreichen einer Endstellung, mechanisch in denLocking fork in the deflected state, d. H. when reaching an end position, mechanically in the
Endschlag (2) eingreift.End impact (2) engages.
2. Handantrieb nach Anspruch 1 , dadurch gekennzeichnet, dass das Stellungsanzeigerad (4) auf einem weiteren konzentrischen Kreis weitere Aufnahmebohrungen (17) aufweist, die die gleiche Teilung wie die Bohrungen (5) für die Auslösebolzen (1 1 , 12) aufweisen, dass in Aufnahmebohrungen (17) ein Schaltüberwachungssegment (16) befestigt ist, das Nocken aufweist, die mit mindestens einem elektrischen Schalter (18) korrespondieren.2. Hand drive according to claim 1, characterized in that the position indicator wheel (4) on a further concentric circle further receiving bores (17) having the same pitch as the holes (5) for the release bolt (1 1, 12), that in mounting bores (17) a switch monitoring segment (16) is fixed, which has cams, which correspond to at least one electrical switch (18).
3. Handantrieb nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass Auslösebolzen (11 , 12) und/oder Schaltüberwachungssegment (16) derart lösbar an ausgewählten Bohrungen (5; 17) des Stellungsanzeigerades (4) befestigbar sind, dass der Handantrieb an unterschiedliche Zahlen möglicher Schaltstellungen des Umstellers als auch unterschiedliche Umdrehungszahlen der Handkurbel für eine Umschaltung anpassbar ist. 3. manual drive according to claim 1 or 2, characterized in that release bolts (11, 12) and / or Schaltüberwachungssegment (16) are releasably fastened to selected holes (5, 17) of the position indicator wheel (4) that the Manual drive to different numbers of possible switching positions of the diverter and different numbers of revolutions of the hand crank for a switch is customizable.
EP09777379A 2008-09-19 2009-07-23 Manual drive Not-in-force EP2329508B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008048018A DE102008048018B3 (en) 2008-09-19 2008-09-19 hand drive
PCT/EP2009/005338 WO2010031457A1 (en) 2008-09-19 2009-07-23 Manual drive

Publications (2)

Publication Number Publication Date
EP2329508A1 true EP2329508A1 (en) 2011-06-08
EP2329508B1 EP2329508B1 (en) 2012-12-19

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Application Number Title Priority Date Filing Date
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US (1) US8420959B2 (en)
EP (1) EP2329508B1 (en)
JP (1) JP2012503317A (en)
KR (1) KR20110055486A (en)
CN (1) CN102124531A (en)
BR (1) BRPI0914966A2 (en)
DE (1) DE102008048018B3 (en)
HK (1) HK1153308A1 (en)
RU (1) RU2011102549A (en)
UA (1) UA101516C2 (en)
WO (1) WO2010031457A1 (en)

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Also Published As

Publication number Publication date
HK1153308A1 (en) 2012-03-23
US8420959B2 (en) 2013-04-16
US20110056816A1 (en) 2011-03-10
EP2329508B1 (en) 2012-12-19
BRPI0914966A2 (en) 2015-10-20
KR20110055486A (en) 2011-05-25
WO2010031457A1 (en) 2010-03-25
DE102008048018B3 (en) 2009-10-22
RU2011102549A (en) 2012-10-27
JP2012503317A (en) 2012-02-02
CN102124531A (en) 2011-07-13
UA101516C2 (en) 2013-04-10

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