EP2737509B1 - Locking device for a drive unit of a three-position drive mechanism for a connection device of switching assembly - Google Patents

Locking device for a drive unit of a three-position drive mechanism for a connection device of switching assembly Download PDF

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Publication number
EP2737509B1
EP2737509B1 EP12733426.6A EP12733426A EP2737509B1 EP 2737509 B1 EP2737509 B1 EP 2737509B1 EP 12733426 A EP12733426 A EP 12733426A EP 2737509 B1 EP2737509 B1 EP 2737509B1
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EP
European Patent Office
Prior art keywords
locking
switching device
locking device
engagement
switch
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.)
Active
Application number
EP12733426.6A
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German (de)
French (fr)
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EP2737509A2 (en
Inventor
Sebastian Breisch
Henrik Lohrberg
Franz-Josef Körber
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.)
ABB Schweiz AG
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ABB Technology AG
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Priority to EP12733426.6A priority Critical patent/EP2737509B1/en
Publication of EP2737509A2 publication Critical patent/EP2737509A2/en
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Publication of EP2737509B1 publication Critical patent/EP2737509B1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts

Definitions

  • the invention relates to a locking device for a drive unit of a three-position drive for actuating a switching device of a, preferably gas-insulated, switchgear according to the preamble of claim 1.
  • the locking device according to the invention is particularly intended for a combined isolation earthing switch in low voltage, medium voltage and high voltage switchgear and Can also be used in air or vacuum insulated switchgear.
  • a locking device for a drive unit of a three-position drive, with the error circuits can be avoided, for example, from EP 2 346 055 A1 as well as the DE 10 2006 024 007 A1 known.
  • a locking device which is used in electromechanical drive units for operating a switching device of a switchgear is intended to lock the switching device after a fixed number of revolutions of a drive pulley of the drive unit and thus bring it into a predetermined position or level.
  • Typical applications include disconnectors and earthing switches, which combine the functions of disconnecting and grounding, in which a contact system can be brought into several corresponding positions.
  • a three-position drive is required, which brings the switching device in a first switch position "disconnect switch, grounding switch off,” in a second switch position “disconnector off, grounding switch turned on” and in a third switch position “disconnector and earthing switch off” and the current respective switching positions of Disconnecting and earthing switch indicates.
  • the safety requirements for the drive units of the switching devices not only require a high reliability of the switching operations but also an exact display of the switching positions of the cooperating switching device.
  • the object of the invention is to provide a locking device for a three-position drive for actuating a switching device of a switchgear, which is simple and inexpensive and thereby meets all required safety requirements.
  • the locking device according to the invention for a three-position drive is provided in particular for a combined disconnecting earthing switch in low-voltage, medium-voltage and high-voltage switchgear.
  • a locking device for a drive unit for actuating a switching device preferably for actuating the switching device for a combined disconnector and earthing switch of the switchgear
  • a spindle drive hereinafter also referred to as spindle arrangement
  • spindle arrangement for actuating the switching device and a coupled or engageable gear transmission
  • the locking device of the switching device in one of three predetermined locking positions "position 1", position 2 or “position 3", for example, the switch positions “disconnector on, ground switch off", “disconnector off, earthing switch turned on” and “disconnector and earthing switch off “brings.
  • the switching positions are displayed by means of intended position indicator modules, wherein the number of partial revolutions for the locking of the switching device is either greater or smaller than a complete revolution of the drive shaft and if the defined number of revolutions is not reached, no indication of the position or switching position takes place on the position indicator module ,
  • the gear transmission is composed of two meshing gear wheels with a defined gear ratio, each of the gear wheels cooperating with three associated locking washers, which are then engaged with the locking elements associated Rastusionncruen.
  • the locking discs are three locking elements, hereinafter also referred to as locking elements, assigned, wherein the locking elements each have at least two engagement parts, provided for engagement in the engagement points of the locking discs have.
  • the first locking element for locking the locking discs for a first switching position the second locking element for locking the locking discs for a second switching position
  • the third locking element for locking the locking discs for a third switching position is provided.
  • the engagement parts are each formed by an undercut latching nose which engages in the engagement points of the latching element that are designed as corresponding undercut recess.
  • the locking lug is undercut such that it can lock positively with the corresponding undercut recess of the engagement point.
  • a first switching position of the switching device for example, "disconnector turned on, grounding switch off” engage the locking lugs of the first locking element in the recess of the locking discs and an indication of the first switching position of the switching device takes place on the position indicator module.
  • a second switching position of the switching device for example, "disconnector off, earthing switch turned on” engage the locking lugs of the second locking element in the point of engagement of the locking discs and an indication of the second switching position of the switching device takes place on the position indicator.
  • a third switching position of the switching device such as "disconnector and earthing switch off” engage the locking lugs of the third locking element in the point of engagement of the locking discs and an indication of the third switching position takes place on the position indicator module.
  • a housing For receiving the components of the locking device is a housing provided, which is preferably constructed of a plurality of stacked sheet metal parts, wherein the openings required in the sheet metal parts for the respective components are preferably cut into the sheet by means of a laser.
  • the locking device may also be housed in a cast housing.
  • limit switch for switching off the drive motor, for example, for self-locking of the locking device in case of overload, connecting elements for connecting the Drive motor and the spindle of the spindle assembly, connecting parts for the position indicator modules for displaying the first, the second and the third position of the switching device.
  • the locking device according to the invention in a common lockable housing with the other components of the drive unit can be accommodated.
  • the housing of the locking device itself is formed of two side parts and an associated upper and lower support plate, wherein the gear transmission is held with the locking discs of the upper and lower support plate of the housing.
  • the upper support plate has a passage for the connection element for connecting the drive motor via the provided shaft-hub connection.
  • the upper and the lower support plate thus form with the two side parts a further advantageous embodiment of the housing for receiving the components of the locking device.
  • the locking device according to the invention can be in an advantageous manner from inexpensive standard components, such as sheet metal parts, gears, standardized pluggable connection parts for motor and spindle drive, limit switches, locking washers and locking elements and auxiliary switches by means of modular assemble and requires only one drive, either a motor or a hand crank.
  • the locking device can be made in advance completely made of standard components and tested independently of the other components of the switchgear cost, transported and installed in a small amount of time. This considerably reduces the costs of the switchgear.
  • the above-described design of the locking device according to the invention is advantageously based on a modular design of a few standard components, which are optimally arranged within the housing taking advantage of a minimal space requirement, whereby a significant cost reduction over known locking devices in gas-insulated switchgear is achieved.
  • a drive or a motor unit is provided, which drives the spindle mechanism.
  • a hand crank is provided for the manual operation of the switching device.
  • a locking unit is integrated, which prevents the engine starts while the hand crank for manual operation is plugged into the locking device.
  • a typical application for the use of the locking device according to the invention is the operation of the switching device of a combined disconnector and earthing switch of a low-voltage, medium-voltage or high-voltage switchgear.
  • the locking device for the combined disconnecting and earthing switch is constructed of a gear transmission with a defined gear ratio depending on the number of revolutions of the spindle drive for locking, wherein at a required number of revolutions x the first gear x-1 teeth and the second gear x teeth having.
  • the locking device according to the invention a drive unit for a spindle drive and advantageous embodiments and improvements of the locking device to be explained and described in detail.
  • FIG. 1 is an exemplary schematic representation of the locking device according to the invention for a three-position actuator in the intermediate position, which corresponds to a position indicator "disconnector and earthing switch off" corresponds represented.
  • the locking device shows three mutually arranged switching rods 10.1, 10.2 and 10.3 for connection to the position indicator terminals 190th
  • the locking device comprises a gear transmission consisting of two meshing gears 130, 140 with a defined transmission ratio, each of the gears with three associated locking discs 131, 132, 133, 134, 135, 136 cooperates. In the view shown, that between the second gear 140 and the engaging with the second gear upper locking disc 136 locking disc 134 is not visible.
  • the locking discs 131, 132, 133, 134, 135, 136 are three locking elements 210, 220, 230, hereinafter also referred to as locking elements assigned, wherein the locking elements 210, 220, 230, respectively at least two engaging parts 211, 212, 221, 222 , 231, 232, provided for engaging in the locking discs 131, 132, 133, 134, 135, 136 arranged engagement points 141, 142, 143, 144, 145, 146 have.
  • FIG. 2 are the engaging part 222 of the second locking element 220 and the engagement points 144, 146 of cooperating with the second gear 140 locking discs 134, 136 are not visible.
  • the first locking element 210 is for locking with the first and the second locking disc 131, 132 for the display of a first switching position
  • the second locking element 220 is for locking the third and fourth locking disc 133, 134 for the display of a second switching position
  • the third locking element 230 is provided for locking the fifth and sixth locking disc 135, 136 for the display of a third switching position on the position indicator module of the drive unit of a combined disconnecting and grounding switch.
  • locking position corresponds to a switching position of the switching device "disconnector and earthing switch off" engage the locking lugs 231, 232 of the third locking element 230 in the engagement points 145, 146, the locking discs 135, 136 and an indication of the switching position of the switching device takes place on the position indicator ,
  • the locking lugs of the first locking element 210 and the second locking element 220 are not engaged in the previously described locking position in engagement with the associated locking discs 131, 132; 133, 134.
  • FIG. 2 shows a further exemplary schematic representation of the locking device according to the invention for a three-position drive, for example for the position indicator disconnector turned on, earthing switch off. "In this switching position of the switching device engage the locking lugs 211, 212 of the first Locking element 210 in the recess of the locking discs 131, 132 and a display of the switching position of the switching device takes place on the position indicator module.
  • the locking lugs of the second locking element 220 and the third locking element 230 are not engaged in the previously described locking position in engagement with the associated locking discs 133, 134; 135, 136.
  • FIG. 3 is an exemplary schematic representation of the locking device according to the invention for a three-position drive, for example, for the position indicator "disconnector off, earthing switch on” shown.
  • the locking lugs 221, 223 of the second locking element 220 engage in the engagement points 143, 144 of the locking plates 133, 134 and an indication of the switching position of the switching device takes place on the position indicator module.
  • the latching lugs of the first locking element 210 and the third locking element 230 are in the previously described locking position is not engaged with the associated locking discs 131, 132; 135, 136.
  • FIG. 4 shows an exemplary schematic plan view of the third locking disk pair consisting of the fifth and sixth locking disk 135, 136 of the locking device 310 according to the invention in an intermediate position. If the locking device 310 is in this intermediate position, there is no indication of the position or switching position on the position indicating module.
  • a housing 20, the side parts 20.1, 20.2 in the FIG. 4 are shown, the locking device 310 according to the invention receives and is housed in a common lockable housing 410 with the other components of the drive unit.
  • the housing 20 is made of a in the FIG. 4 invisible upper and lower support plate and the two side parts 20.1, 20.2 formed.
  • the drive motor spindle 60 and the spindle assembly spindle 3 are the drive motor spindle 60 and the spindle assembly spindle 3, three switching rods 10 arranged one behind the other (only the switching rod 10.3 associated with the third pair of locking discs) being visible to the position indicating module connecting parts 190 for displaying the three positions of the switching device and a gear transmission with a defined transmission ratio that is dependent on the number of revolutions of the spindle drive for actuating the switching device.
  • the gear transmission of the locking device 310 comprises a total of three Rastusionncrue 131, 132; 133, 134; 135, 136, each with two locking washers.
  • the here concealed first and second locking disc 131, 132 are used after their snapping into the first locking element 210 for the display of a first position or position.
  • the third and fourth locking discs 133, 134 concealed here, after being latched in, are used with the locking members 222, 221 of the second locking member 220 for indicating a second position or position.
  • the visible fifth and sixth locking discs 135, 136 are used after being engaged with the locking members 231, 232 of the third locking member 230 for the display of a third position or position.
  • first gear 130 an axis is guided centrally, wherein the first locking disc 131, the third locking disc 133 and the fifth locking disc 135 are arranged on this axis.
  • second gear 140 which is likewise not visible here, a further axis is guided centrally, wherein the second locking disk 132, the fourth locking disk 134 and the sixth locking disk 136 are also arranged on this axis.
  • the three shift rods 10.1, 10.2, 10.3 are guided by provided in a side part 20.2 of the housing 20 openings.
  • the locking elements 210, 220, 230 are each pressed under spring tension on the locking discs 131, 132, 133, 134, 135, 136, so that the latching elements located on the locking elements 210, 220, 230 in a favorable position the locking plates 131, 132, 133, 134, 135, 136 can engage.
  • the locking elements 210, 220, 230 each deposited with a, preferably designed as a compression spring 12, 13 spring element.
  • the locking element 220 with the compression spring 12 here only the position shown
  • FIG. 5 shows an exemplary schematic plan view of the second pair of locking discs consisting of the third and fourth locking disc 133, 134 of the locking device 310 according to the invention in a first locking position.
  • the latching lugs 221, 222 of the second locking element 220 engage in the recess 143, 144 of the locking discs 133, 134 and an indication of the first switching position of the switching device takes place on the position indicator module.
  • the third Ratusion 133 clockwise to engage their recess 143 in the first locking element 221 of the second locking element 220 and the fourth locking disc 134 to engage their recess 144 in the second latching element 222 of the second locking element 220 moves.
  • the second shift rod 10.2 connected to the second locking element 220 is retracted.
  • the locking elements 211, 212 of the first locking element 210 and the locking elements 231, 232 of the third locking element 230 are consequently not in engagement with the recesses 141, 142; 145, 146 of the locking discs 131, 132, 135, 136 not visible here.
  • FIG. 6 shows an exemplary schematic plan view of the first pair of locking discs consisting of the first and second locking disc 131, 132 of the locking device 310 according to the invention in a second locking position.
  • the locking lugs 211, 212 of the first locking element 210 engage in the recess 141, 142 of the locking discs 131, 132 and an indication of the first switching position of the switching device takes place on the position indicator module.
  • the first locking disc 131 counterclockwise until engagement of its recess 141 in the first locking element 211 of the first locking element 210 and the second locking disc 132 to engage their recess 142nd moved into the second latching element 212 of the first locking element 210.
  • the first shift rod 10.1 connected to the first locking element 210 is thereby extended.
  • the locking elements 221, 222 of the second locking element 220 and the locking elements 231, 232 of the third locking element 230 are consequently not in engagement with the recesses 143, 144; 145, 146 of the locking discs 133, 134, 135, 136 not visible here.
  • the locking lugs 231, 232 of the third locking element 230 engage in the recess 145, 146 of the locking discs 135, 136 and an indication of the third switching position of the switching device takes place on the position indicator module.
  • the fifth locking disc 135 counterclockwise until engagement of its recess 145 in the first locking element 231 of the third locking element 230 and the sixth locking disc 136 to the engagement of its recess 146th in the third locking element 232 of the third locking element 230 moves.
  • the first shift rod 10.3 connected to the third locking element 230 is thereby moved and extended.
  • the locking elements 211, 212 of the first locking element 210 and the locking elements 221, 222 of the second locking element 220 are consequently not in engagement with the recesses 141, 142; 143, 144 of the locking discs 131, 132, 133, 134th

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Lock And Its Accessories (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Transmission Devices (AREA)

Description

Die Erfindung bezieht sich auf eine Verriegelungsvorrichtung für eine Antriebseinheit eines Dreistellungsantriebes zur Betätigung eines Schaltgerätes einer, vorzugsweise gasisolierten, Schaltanlage gemäß dem Oberbegriff des Anspruches 1. Die erfindungsgemäße Verriegelungsvorrichtung ist insbesondere für einen kombinierten Trenn- Erdungsschalters in Niederspannungs-, Mittelspannungs- und Hochspannungsschaltanlagen vorgesehen und auch in luft- oder vakuumisolierten Schaltanlagen einsetzbar.The invention relates to a locking device for a drive unit of a three-position drive for actuating a switching device of a, preferably gas-insulated, switchgear according to the preamble of claim 1. The locking device according to the invention is particularly intended for a combined isolation earthing switch in low voltage, medium voltage and high voltage switchgear and Can also be used in air or vacuum insulated switchgear.

Eine Verriegelungsvorrichtung für eine Antriebseinheit eines Dreistellungsantriebes, mit der Fehlschaltungen vermieden werden können, ist beispielsweise aus der EP 2 346 055 A1 sowie der DE 10 2006 024 007 A1 bekannt.A locking device for a drive unit of a three-position drive, with the error circuits can be avoided, for example, from EP 2 346 055 A1 as well as the DE 10 2006 024 007 A1 known.

Eine Verriegelungsvorrichtung, die in elektromechanischen Antriebseinheiten zur Betätigung eines Schaltgerätes einer Schaltanlage eingesetzt wird, ist dafür vorgesehen, nach einer festgelegten Anzahl von Umdrehungen einer Antriebsscheibe der Antriebseinheit das Schaltgerät zu verriegeln und damit in eine vorgegebene Position oder Stufe zu bringen.A locking device which is used in electromechanical drive units for operating a switching device of a switchgear is intended to lock the switching device after a fixed number of revolutions of a drive pulley of the drive unit and thus bring it into a predetermined position or level.

Typische Anwendungsgebiete sind Trenn- und Erdungsschalter, welche die Funktionen Trennen und Erden kombinieren, in dem ein Kontaktsystem in mehrere entsprechende Stellungen gebracht werden kann. Dazu ist ein Dreistellungsantrieb erforderlich, welcher das Schaltgerät in eine erste Schalterstellung "Trennschalter eingeschaltet, Erdungsschalter ausgeschaltet", in eine zweite Schalterstellung "Trennschalter ausgeschaltet, Erdungsschalter eingeschaltet" und in eine dritte Schalterstellung "Trennschalter und Erdungsschalter ausgeschaltet" bringt und die aktuellen jeweiligen Schaltstellungen des Trenn- und Erdungsschalters anzeigt.Typical applications include disconnectors and earthing switches, which combine the functions of disconnecting and grounding, in which a contact system can be brought into several corresponding positions. For this purpose, a three-position drive is required, which brings the switching device in a first switch position "disconnect switch, grounding switch off," in a second switch position "disconnector off, grounding switch turned on" and in a third switch position "disconnector and earthing switch off" and the current respective switching positions of Disconnecting and earthing switch indicates.

Die sicherheitstechnischen Anforderungen an die Antriebseinheiten der Schaltgeräte erfordern nicht nur eine hohe Zuverlässigkeit der Schalthandlungen sondern auch eine exakte Anzeige der Schaltstellungen des damit zusammenarbeitenden Schaltgerätes.The safety requirements for the drive units of the switching devices not only require a high reliability of the switching operations but also an exact display of the switching positions of the cooperating switching device.

Aufgabe der Erfindung ist es eine Verriegelungsvorrichtung für einen Dreistellungsantrieb zur Betätigung eines Schaltgerätes einer Schaltanlage anzugeben, welche einfach und kostengünstig aufgebaut ist und dabei alle geforderten sicherheitstechnischen Anforderungen einhält.The object of the invention is to provide a locking device for a three-position drive for actuating a switching device of a switchgear, which is simple and inexpensive and thereby meets all required safety requirements.

Die erfindungsgemäße Verriegelungsvorrichtung für einen Dreistellungsantrieb ist insbesondere für einen kombinierten Trenn- Erdungsschalters in Niederspannungs-, Mittelspannungs- und Hochspannungsschaltanlagen vorgesehen.The locking device according to the invention for a three-position drive is provided in particular for a combined disconnecting earthing switch in low-voltage, medium-voltage and high-voltage switchgear.

Diese Aufgabe wird erfindungsgemäß gelöst durch die Merkmale des Anspruches 1.This object is achieved by the features of claim 1.

Erfindungsgemäß wird eine Verriegelungsvorrichtung für eine Antriebseinheit zur Betätigung eines Schaltgerätes, vorzugsweise zur Betätigung des Schaltgerätes für einen kombinierten Trenn- und Erdungsschalter der Schaltanlage vorgeschlagen, welche einem Spindelantrieb, im folgenden auch Spindelanordnung genannt, zur Betätigung des Schaltgerätes und ein damit gekuppeltes bzw. kuppelbares Zahnradgetriebe aufweist, von nur einem Antriebsmotor oder einer Handbedienvorrichtung antreibbar ist und dabei nach einer definierten Anzahl von Teilumdrehungen einer mit dem Zahnradgetriebe verbundenen Antriebswelle der Spindelanordnung das Schaltgerät verriegelt. Damit wird die Verriegelungsvorrichtung des Schaltgerätes in eine von drei vorgegebene Verriegelungspositionen "Position 1", Position 2 oder "Position 3", die beispielsweise den Schalterstellungen "Trennschalter eingeschaltet, Erdungsschalter ausgeschaltet", "Trennschalter ausgeschaltet, Erdungsschalter eingeschaltet" und "Trennschalter und Erdungsschalter ausgeschaltet" bringt. Die Schaltstellungen sind mittels vorgesehener Stellungsanzeigemodule anzeigbar, wobei die Anzahl der Teilumdrehungen für die Verriegelung des Schaltgerätes entweder größer oder kleiner als eine vollständige Umdrehung der Antriebswelle ist und falls die definierte Anzahl von Umdrehungen nicht erreicht ist, keine Anzeige der Position bzw. Schaltstellung am Stellungsanzeigemodul erfolgt.According to the invention a locking device for a drive unit for actuating a switching device, preferably for actuating the switching device for a combined disconnector and earthing switch of the switchgear is proposed, which a spindle drive, hereinafter also referred to as spindle arrangement, for actuating the switching device and a coupled or engageable gear transmission, can be driven by only one drive motor or a hand-held operating device and after a defined number of partial revolutions of a connected to the gear drive shaft of the spindle assembly, the switching device locked. Thus, the locking device of the switching device in one of three predetermined locking positions "position 1", position 2 or "position 3", for example, the switch positions "disconnector on, ground switch off", "disconnector off, earthing switch turned on" and "disconnector and earthing switch off "brings. The switching positions are displayed by means of intended position indicator modules, wherein the number of partial revolutions for the locking of the switching device is either greater or smaller than a complete revolution of the drive shaft and if the defined number of revolutions is not reached, no indication of the position or switching position takes place on the position indicator module ,

Erfindungsgemäß ist das Zahnradgetriebe aus zwei miteinander in Eingriff stehenden Zahnrädern mit einem definierten Übersetzungsverhältnisses aufgebaut, wobei jedes der Zahnräder mit jeweils drei damit verbundenen Rastscheiben zusammenwirkt, die dann mit den den Verriegelungselementen zugeordneten Rastscheibenpaaren in Eingriff stehen.According to the invention, the gear transmission is composed of two meshing gear wheels with a defined gear ratio, each of the gear wheels cooperating with three associated locking washers, which are then engaged with the locking elements associated Rastscheibenpaaren.

Den Rastscheiben sind drei Verriegelungselemente, nachfolgend auch als Rastelemente bezeichnet, zugeordnet, wobei die Verriegelungselemente jeweils wenigstens zwei Eingriffteile, vorgesehen zum Eingriff in die Eingriffstellen der Rastscheiben, aufweisen. Dabei ist beispielsweise das erste Verriegelungselement zur Verriegelung der Rastscheiben für eine erste Schaltstellung, das zweite Verriegelungselement zur Verriegelung der Rastscheiben für eine zweite Schaltstellung und das dritte Verriegelungselement zur Verriegelung der Rastscheiben für eine dritte Schaltstellung vorgesehen.The locking discs are three locking elements, hereinafter also referred to as locking elements, assigned, wherein the locking elements each have at least two engagement parts, provided for engagement in the engagement points of the locking discs have. In this case, for example, the first locking element for locking the locking discs for a first switching position, the second locking element for locking the locking discs for a second switching position and the third locking element for locking the locking discs for a third switching position is provided.

In einer erfindungsgemäßen Ausführungsform sind die Eingriffteile jeweils von einer hinterschnittenen Rastnase gebildet, welche in die als korrespondierende hinterschnittene Ausnehmung ausgeführte Eingriffstellen des Rastelements eingreift.In an embodiment according to the invention, the engagement parts are each formed by an undercut latching nose which engages in the engagement points of the latching element that are designed as corresponding undercut recess.

Die Rastnase ist derart hinterschnitten, dass sie sich mit der korrespondierenden hinterschnittenen Ausnehmung des Eingriffstelle formschlüssig verriegeln kann. Dadurch ist ein unbeabsichtigtes Lösen der Rastnase aus der Ausnehmung bei einem Weiterdrehen des Zahnradgetriebes verhindert. Dadurch ist ein unbeabsichtigtes Lösen der Rastnase aus der Eingriffstelle verhindert.The locking lug is undercut such that it can lock positively with the corresponding undercut recess of the engagement point. As a result, unintentional release of the detent nose from the recess during further rotation of the gear transmission is prevented. As a result, unintentional release of the locking lug from the point of engagement is prevented.

In einer ersten Schaltstellung des Schaltgerätes, beispielsweise "Trennschalter eingeschaltet, Erdungsschalter ausgeschaltet", greifen die Rastnasen des ersten Verriegelungselements in die Ausnehmung der Rastscheiben ein und eine Anzeige der ersten Schaltstellung des Schaltgerätes am Stellungsanzeigemodul erfolgt. In einer zweiten Schaltstellung des Schaltgerätes, beispielsweise "Trennschalter ausgeschaltet, Erdungsschalter eingeschaltet" greifen die Rastnasen des zweiten Verriegelungselements in die Eingriffstelle der Rastscheiben ein und eine Anzeige der zweiten Schaltstellung des Schaltgerätes am Stellungsanzeigemodul erfolgt. In einer dritten Schaltstellung des Schaltgerätes, beispielsweise "Trennschalter und Erdungsschalter ausgeschaltet" greifen die Rastnasen des dritten Verriegelungselements in die Eingriffstelle der Rastscheiben ein und eine Anzeige der dritten Schaltstellung am Stellungsanzeigemodul erfolgt.In a first switching position of the switching device, for example, "disconnector turned on, grounding switch off", engage the locking lugs of the first locking element in the recess of the locking discs and an indication of the first switching position of the switching device takes place on the position indicator module. In a second switching position of the switching device, for example, "disconnector off, earthing switch turned on" engage the locking lugs of the second locking element in the point of engagement of the locking discs and an indication of the second switching position of the switching device takes place on the position indicator. In a third switching position of the switching device, such as "disconnector and earthing switch off" engage the locking lugs of the third locking element in the point of engagement of the locking discs and an indication of the third switching position takes place on the position indicator module.

Für die Aufnahme der Komponenten der Verriegelungsvorrichtung ist ein Gehäuse, vorgesehen, welches vorzugsweise aus mehreren übereinander angeordneten Blechteilen aufgebaut ist, wobei die in den Blechteilen erforderlichen Öffnungen für die jeweiligen Komponenten vorzugsweise mittels einem Laser in das Blech hineingeschnitten werden. Jedoch kann die Verriegelungsvorrichtung auch in einem Gussgehäuse untergebracht sein. Zu den Komponenten, die im Gehäuse untergebracht sind, zählen neben dem Zahnradgetriebe mit einem definierten Übersetzungsverhältnis, den damit verbundenen Rastscheiben und den Rast- oder Verriegelungselementen auch Hilfsschalter, Endschalter zum Abschalten des Antriebsmotors, beispielsweise zur Selbstverriegelung der Verriegelungsvorrichtung bei Überlast, Anschlusselemente zum Anschluss des Antriebsmotors und der Spindel der Spindelanordnung, Anschlussteile für die Stellungsanzeigemodule zur Anzeige der ersten, der zweiten und der dritten Stellung des Schaltgerätes.For receiving the components of the locking device is a housing provided, which is preferably constructed of a plurality of stacked sheet metal parts, wherein the openings required in the sheet metal parts for the respective components are preferably cut into the sheet by means of a laser. However, the locking device may also be housed in a cast housing. Among the components that are housed in the housing, in addition to the gear transmission with a defined gear ratio, the associated locking washers and the locking or locking elements and auxiliary switch, limit switch for switching off the drive motor, for example, for self-locking of the locking device in case of overload, connecting elements for connecting the Drive motor and the spindle of the spindle assembly, connecting parts for the position indicator modules for displaying the first, the second and the third position of the switching device.

Insbesondere im letzte Blechteil an der Unterseite des Gehäuses sind Durchführungen vorgesehen, welche einen Zugang zu den, vorzugsweise als steckbaren Welle-Nabeverbindung, ausgeführten Anschlusselementen des Zahnradgetriebes für eine einfache Kopplung mit dem außerhalb des Gehäuse angeordnetem Antriebsmotors und der Spindelanordnung ermöglichen.In particular, in the last sheet metal part at the bottom of the housing bushings are provided, which allow access to, preferably as a plug-in shaft-hub connection, running connection elements of the gear transmission for easy coupling with the outside of the housing arranged drive motor and the spindle assembly.

In einer weiteren Ausgestaltung der Erfindung ist die erfindungsgemäße Verriegelungsvorrichtung in einem gemeinsamen verschließbaren Gehäuse mit den weiteren Komponenten der Antriebseinheit unterbringbar.In a further embodiment of the invention, the locking device according to the invention in a common lockable housing with the other components of the drive unit can be accommodated.

Das Gehäuse der Verriegelungsvorrichtung selbst ist aus zwei Seitenteilen und einer damit verbundenen oberen und unteren Trägerplatte gebildet, wobei das Zahnradgetriebe mit den Rastscheiben von der oberen und der unteren Trägerplatte des Gehäuses gehalten ist. Die obere Trägerplatte weist eine Durchführung für das Anschlusselement zum Anschluss des Antriebsmotors über die vorgesehene Welle-Nabe Verbindung auf. Die obere und die untere Trägerplatte bilden somit mit den beiden Seitenteilen eine weitere vorteilhafte Ausführungsform des Gehäuses für die Aufnahme der Komponenten der Verriegelungsvorrichtung.The housing of the locking device itself is formed of two side parts and an associated upper and lower support plate, wherein the gear transmission is held with the locking discs of the upper and lower support plate of the housing. The upper support plate has a passage for the connection element for connecting the drive motor via the provided shaft-hub connection. The upper and the lower support plate thus form with the two side parts a further advantageous embodiment of the housing for receiving the components of the locking device.

Die erfindungsgemäßen Verriegelungsvorrichtung lässt sich in vorteilhafter Weise aus kostengünstigen Standardbauteilen, wie Blechteilen, Zahnrädern, standardisierten steckbaren Anschlussteilen für Motor und Spindelantrieb, Endschaltern, Rastscheiben und Rastelementen und Hilfsschaltern mittels modulartig zusammenbauen und benötigt nur einen Antrieb, entweder einen Motor oder eine Handkurbel.The locking device according to the invention can be in an advantageous manner from inexpensive standard components, such as sheet metal parts, gears, standardized pluggable connection parts for motor and spindle drive, limit switches, locking washers and locking elements and auxiliary switches by means of modular assemble and requires only one drive, either a motor or a hand crank.

Durch die Anordnung der Komponenten der Verriegelungsvorrichtung in einem Gehäuse kann die Verriegelungsvorrichtung vorab vollständig aus Standardbauteilen gefertigt werden und unabhängig von den weiteren Komponenten der Schaltanlage kostengünstig getestet, transportiert und unter geringen Zeitaufwand installiert werden. Dies reduziert die Kosten der Schaltanlage beträchtlich.The arrangement of the components of the locking device in a housing, the locking device can be made in advance completely made of standard components and tested independently of the other components of the switchgear cost, transported and installed in a small amount of time. This considerably reduces the costs of the switchgear.

Weiterhin ergibt sich eine Erleichterung bezüglich der Service- und Wartungsarbeiten an der Schaltanlage, da die Verriegelungsvorrichtung für die Wartung in einfacher Weise vollständig aus der Schaltanlage demontierbar ist ohne den Gasraum der Schaltanlage zu öffnen.Furthermore, there is a relief in terms of service and maintenance work on the switchgear, since the locking device for maintenance in easier Way completely dismantled from the switchgear is to open without the gas space of the switchgear.

Das vorab beschriebene Design der erfindungsgemäßen Verriegelungsvorrichtung beruht vorteilhafterweise auf einem modularen Aufbau aus wenigen Standardbauelementen, die optimal innerhalb des Gehäuses unter Ausnutzung eines minimalem Platzbedarfes angeordnet sind, wodurch eine deutliche Kostenreduzierung gegenüber bekannten Verriegelungsvorrichtungen in gasisolierten Schaltanlagen erreicht wird.The above-described design of the locking device according to the invention is advantageously based on a modular design of a few standard components, which are optimally arranged within the housing taking advantage of a minimal space requirement, whereby a significant cost reduction over known locking devices in gas-insulated switchgear is achieved.

In einer bevorzugten Ausführungsform der erfindungsgemäßen Verriegelungsvorrichtung sind zwei Optionen zur Betätigung vorgesehen. In einer ersten Variante ist ein Antrieb oder eine Motoreinheit vorgesehen, welcher den Spindelmechanismus antreibt. In einer zweiten Variante ist für die Handbedienung des Schaltgerätes eine Handkurbel vorgesehen.In a preferred embodiment of the locking device according to the invention, two options for actuation are provided. In a first variant, a drive or a motor unit is provided, which drives the spindle mechanism. In a second variant, a hand crank is provided for the manual operation of the switching device.

In die Motoreinheit ist eine Verriegelungseinheit integriert, welche verhindert dass der Motor anläuft während die Handkurbel zum manuellen Betätigen an die Verriegelungsvorrichtung angesteckt ist.In the motor unit, a locking unit is integrated, which prevents the engine starts while the hand crank for manual operation is plugged into the locking device.

Ein typischer Anwendungsfall für den Einsatz der erfindungsgemäßen Verriegelungsvorrichtung ist die Betätigung des Schaltgerätes eines kombinierten Trenn- und Erdungsschalters einer Niederspannungs-, Mittelspannungs- oder Hochspannungsschaltanlage. Die Verriegelungsvorrichtung für den kombinierten Trenn- und Erdungsschalter ist aus einem Zahnradgetriebe mit einem definierten Übersetzungsverhältnis abhängig von der Anzahl der Umdrehungen des Spindelantriebes zur Verriegelung aufgebaut, wobei bei einer geforderte Anzahl von Umdrehungen x das erstes Zahnrad x-1 Zähne und das zweite Zahnrad x Zähne aufweist.A typical application for the use of the locking device according to the invention is the operation of the switching device of a combined disconnector and earthing switch of a low-voltage, medium-voltage or high-voltage switchgear. The locking device for the combined disconnecting and earthing switch is constructed of a gear transmission with a defined gear ratio depending on the number of revolutions of the spindle drive for locking, wherein at a required number of revolutions x the first gear x-1 teeth and the second gear x teeth having.

Anhand der in den folgenden Figuren dargestellten Ausführungsbeispiele sollen die erfindungsgemäße Verriegelungsvorrichtung einer Antriebseinheit für einen Spindelantrieb sowie vorteilhafte Ausgestaltungen und Verbesserungen der Verriegelungsvorrichtung näher erläutert und beschrieben werden.Based on the embodiments shown in the following figures, the locking device according to the invention a drive unit for a spindle drive and advantageous embodiments and improvements of the locking device to be explained and described in detail.

Es zeigen:

Fig. 1
zeigt eine beispielhafte schematische Darstellung der erfindungsgemäßen Verriegelungsvorrichtung für einen Dreistellungsantrieb, beispielsweise für die Stellungsanzeige "Trennschalter und Erdungsschalter ausgeschaltet",
Fig. 2
zeigt eine beispielhafte schematische Darstellung der erfindungsgemäßen Verriegelungsvorrichtung für einen Dreistellungsantrieb, beispielsweise für die Stellungsanzeige Trennschalter eingeschaltet, Erdungsschalter ausgeschaltet",
Fig. 3
zeigt eine beispielhafte schematische Darstellung der erfindungsgemäßen Verriegelungsvorrichtung für einen Dreistellungsantrieb, beispielsweise für die Stellungsanzeige "Trennschalter ausgeschaltet, Erdungsschalter eingeschaltet",
Fig. 4
zeigt eine beispielhafte schematische Draufsicht auf die erfindungsgemäße Verriegelungsvorrichtung in einer Zwischenstellung
Fig. 5
zeigt eine beispielhafte schematische Draufsicht auf die erfindungsgemäße Verriegelungsvorrichtung in der ersten Verriegelungsposition, und
Fig. 6
zeigt eine beispielhafte schematische Draufsicht auf die erfindungsgemäße Verriegelungsvorrichtung in der zweiten Verriegelungsposition.
Show it:
Fig. 1
shows an exemplary schematic representation of the locking device according to the invention for a three-position drive, for example, for the position indicator "disconnector and earthing switch off",
Fig. 2
shows an exemplary schematic representation of the locking device according to the invention for a three-position drive, for example, for the position indicator disconnector turned on, grounding switch off,
Fig. 3
shows an exemplary schematic representation of the locking device according to the invention for a three-position drive, for example, for the position indicator "disconnector off, earthing switch on",
Fig. 4
shows an exemplary schematic plan view of the locking device according to the invention in an intermediate position
Fig. 5
shows an exemplary schematic plan view of the locking device according to the invention in the first locking position, and
Fig. 6
shows an exemplary schematic plan view of the locking device according to the invention in the second locking position.

Figur 1 ist eine beispielhafte schematische Darstellung der erfindungsgemäßen Verriegelungsvorrichtung für einen Dreistellungsantrieb in der Zwischenposition, die einer Stellungsanzeige "Trennschalter und Erdungsschalter ausgeschaltet" entspricht, dargestellt. FIG. 1 is an exemplary schematic representation of the locking device according to the invention for a three-position actuator in the intermediate position, which corresponds to a position indicator "disconnector and earthing switch off" corresponds represented.

Die Verriegelungseinrichtung zeigt drei untereinander angeordnete Schaltstangen 10.1, 10.2 und 10.3 zur Verbindung mit den Stellungsanzeigeanschlüssen 190.The locking device shows three mutually arranged switching rods 10.1, 10.2 and 10.3 for connection to the position indicator terminals 190th

Erfindungsgemäß umfasst die erfindungsgemäße Verriegelungsvorrichtung ein Zahnradgetriebe bestehend aus zwei miteinander in Eingriff stehenden Zahnrädern 130, 140 mit einem definierten Übersetzungsverhältnis, wobei jedes der Zahnräder mit jeweils drei damit verbundenen Rastscheiben 131, 132, 133, 134, 135, 136 zusammenwirkt. In der gezeigten Ansicht ist die zwischen dem zweiten Zahnrad 140 und der mit dem zweiten Zahnrad zusammenwirkenden oberen Rastscheibe 136 liegende Rastscheibe 134 nicht sichtbar.According to the invention the locking device according to the invention comprises a gear transmission consisting of two meshing gears 130, 140 with a defined transmission ratio, each of the gears with three associated locking discs 131, 132, 133, 134, 135, 136 cooperates. In the view shown, that between the second gear 140 and the engaging with the second gear upper locking disc 136 locking disc 134 is not visible.

Den Rastscheiben 131, 132, 133, 134, 135, 136 sind drei Verriegelungselemente 210, 220, 230, nachfolgend auch als Rastelemente bezeichnet, zugeordnet, wobei die Verriegelungselemente 210, 220, 230 ,jeweils wenigstens zwei Eingriffteile 211, 212, 221, 222, 231, 232, vorgesehen zum Eingriff in an den Rastscheiben 131, 132, 133, 134, 135, 136 angeordneten Eingriffstellen 141, 142, 143, 144, 145, 146 aufweisen. In der gezeigten Ansicht gemäß Figur 2 sind das Eingriffteil 222 des zweiten Rastelements 220 und die Eingriffstellen 144, 146 der mit dem zweiten Zahnrad 140 zusammenwirkenden Rastscheiben 134, 136 nicht sichtbar.The locking discs 131, 132, 133, 134, 135, 136 are three locking elements 210, 220, 230, hereinafter also referred to as locking elements assigned, wherein the locking elements 210, 220, 230, respectively at least two engaging parts 211, 212, 221, 222 , 231, 232, provided for engaging in the locking discs 131, 132, 133, 134, 135, 136 arranged engagement points 141, 142, 143, 144, 145, 146 have. In the view shown FIG. 2 are the engaging part 222 of the second locking element 220 and the engagement points 144, 146 of cooperating with the second gear 140 locking discs 134, 136 are not visible.

Das erste Verriegelungselement 210 ist zur Verriegelung mit der ersten und der zweiten Rastscheibe 131, 132 für die Anzeige einer erste Schaltstellung, das zweite Verriegelungselement 220 ist zur Verriegelung der dritten und vierten Rastscheibe 133, 134 für die Anzeige einer zweiten Schaltstellung und das dritte Verriegelungselement 230 ist zur Verriegelung der fünften und sechsten Rastscheibe 135, 136 für die Anzeige einer dritten Schaltstellung am Stellungsanzeigemodul der Antriebseinheit eines kombinierten Trenn- und Erdungsschalters vorgesehen.The first locking element 210 is for locking with the first and the second locking disc 131, 132 for the display of a first switching position, the second locking element 220 is for locking the third and fourth locking disc 133, 134 for the display of a second switching position and the third locking element 230 is provided for locking the fifth and sixth locking disc 135, 136 for the display of a third switching position on the position indicator module of the drive unit of a combined disconnecting and grounding switch.

In der in Figur 1 gezeigten Verriegelungsposition, die beispielsweise einer Schaltstellung des Schaltgerätes "Trennschalter und Erdungsschalter ausgeschaltet" entspricht, greifen die Rastnasen 231, 232 des dritten Verriegelungselements 230 in die Eingriffstellen 145, 146, der Rastscheiben 135, 136 ein und eine Anzeige der Schaltstellung des Schaltgerätes am Stellungsanzeigemodul erfolgt.In the in FIG. 1 shown locking position, for example, corresponds to a switching position of the switching device "disconnector and earthing switch off" engage the locking lugs 231, 232 of the third locking element 230 in the engagement points 145, 146, the locking discs 135, 136 and an indication of the switching position of the switching device takes place on the position indicator ,

Die Rastnasen des ersten Verriegelungselements 210 und des zweiten Verriegelungselementes 220 sind in der vorab beschriebenen Verriegelungsposition nicht im Eingriff mit den zugeordneten Rastscheiben 131, 132; 133, 134.The locking lugs of the first locking element 210 and the second locking element 220 are not engaged in the previously described locking position in engagement with the associated locking discs 131, 132; 133, 134.

Figur 2 zeigt eine weitere beispielhafte schematische Darstellung der erfindungsgemäßen Verriegelungsvorrichtung für einen Dreistellungsantrieb, beispielsweise für die Stellungsanzeige Trennschalter eingeschaltet, Erdungsschalter ausgeschaltet". In dieser Schaltstellung des Schaltgerätes greifen die Rastnasen 211, 212 des ersten Verriegelungselements 210 in die Ausnehmung der Rastscheiben 131, 132 ein und eine Anzeige der Schaltstellung des Schaltgerätes am Stellungsanzeigemodul erfolgt. FIG. 2 shows a further exemplary schematic representation of the locking device according to the invention for a three-position drive, for example for the position indicator disconnector turned on, earthing switch off. "In this switching position of the switching device engage the locking lugs 211, 212 of the first Locking element 210 in the recess of the locking discs 131, 132 and a display of the switching position of the switching device takes place on the position indicator module.

Die Rastnasen des zweiten Verriegelungselements 220 und des dritten Verriegelungselementes 230 sind in der vorab beschriebenen Verriegelungsposition nicht im Eingriff mit den zugeordneten Rastscheiben 133, 134; 135, 136.The locking lugs of the second locking element 220 and the third locking element 230 are not engaged in the previously described locking position in engagement with the associated locking discs 133, 134; 135, 136.

In der Figur 3 ist eine beispielhafte schematische Darstellung der erfindungsgemäßen Verriegelungsvorrichtung für einen Dreistellungsantrieb, beispielsweise für die Stellungsanzeige "Trennschalter ausgeschaltet, Erdungsschalter eingeschaltet", gezeigt.In the FIG. 3 is an exemplary schematic representation of the locking device according to the invention for a three-position drive, for example, for the position indicator "disconnector off, earthing switch on" shown.

In dieser Schaltstellung des Schaltgerätes, greifen die Rastnasen 221, 223 des zweiten Verriegelungselements 220 in die Eingriffstellen 143, 144 der Rastscheiben 133, 134 ein und eine Anzeige der Schaltstellung des Schaltgerätes am Stellungsanzeigemodul erfolgt.In this switching position of the switching device, the locking lugs 221, 223 of the second locking element 220 engage in the engagement points 143, 144 of the locking plates 133, 134 and an indication of the switching position of the switching device takes place on the position indicator module.

Die Rastnasen des ersten Verriegelungselements 210 und des dritten Verriegelungselementes 230 sind in der vorab beschriebenen Verriegelungsposition nicht im Eingriff mit den zugeordneten Rastscheiben 131, 132; 135, 136.The latching lugs of the first locking element 210 and the third locking element 230 are in the previously described locking position is not engaged with the associated locking discs 131, 132; 135, 136.

Figur 4 zeigt eine beispielhafte schematische Draufsicht auf das dritte Rastscheibenpaar bestehend aus der fünften und sechsten Rastscheibe 135, 136 der erfindungsgemäßen Verriegelungsvorrichtung 310 in einer Zwischenstellung. Befindet sich die Verriegelungsvorrichtung 310 in dieser Zwischenstellung erfolgt keine Anzeige der Position oder Schaltstellung am Stellungsanzeigemodul. Ein Gehäuse 20, dessen Seitenteile 20.1, 20.2 in der Figur 4 dargestellt sind, nimmt die erfindungsgemäße Verriegelungsvorrichtung 310 auf und ist in einem gemeinsamen verschließbaren Gehäuse 410 mit den weiteren Komponenten der Antriebseinheit untergebracht. FIG. 4 shows an exemplary schematic plan view of the third locking disk pair consisting of the fifth and sixth locking disk 135, 136 of the locking device 310 according to the invention in an intermediate position. If the locking device 310 is in this intermediate position, there is no indication of the position or switching position on the position indicating module. A housing 20, the side parts 20.1, 20.2 in the FIG. 4 are shown, the locking device 310 according to the invention receives and is housed in a common lockable housing 410 with the other components of the drive unit.

Das Gehäuse 20 ist aus einer in der Figur 4 nicht sichtbaren oberen und einer untere Trägerplatte und den zwei Seitenteilen 20.1, 20.2 gebildet.The housing 20 is made of a in the FIG. 4 invisible upper and lower support plate and the two side parts 20.1, 20.2 formed.

Zu den Komponenten, die im Gehäuse 20 untergebracht sind, zählen der Anschluss 60 für den Antriebsmotor und die Spindel der Spindelanordnung, drei hintereinander angeordneten Schaltstangen 10 (von denen nur die dem dritten Rastscheibenpaar zugeordnete Schaltstange 10.3 sichtbar ist) zu den Anschlussteilen 190 für das Stellungsanzeigemodul zur Anzeige der drei Stellungen des Schaltgerätes und ein Zahnradgetriebe mit einem definierten Übersetzungsverhältnis, dass abhängig von der Anzahl der Umdrehungen des Spindelantriebes zur Betätigung des Schaltgerätes ist.Among the components accommodated in the housing 20 are the drive motor spindle 60 and the spindle assembly spindle 3, three switching rods 10 arranged one behind the other (only the switching rod 10.3 associated with the third pair of locking discs) being visible to the position indicating module connecting parts 190 for displaying the three positions of the switching device and a gear transmission with a defined transmission ratio that is dependent on the number of revolutions of the spindle drive for actuating the switching device.

Das Zahnradgetriebe der gezeigten erfindungsgemäßen Verriegelungsvorrichtung 310 umfasst insgesamt drei Rastscheibenpaare 131, 132; 133, 134; 135, 136 mit jeweils zwei Rastscheiben. Die hier verdeckte erste und die zweite Rastscheibe 131, 132 werden nach ihrem Einrasten in das erste Verriegelungselement 210 für die Anzeige einer ersten Position oder Stellung benutzt. Die hier verdeckte dritte und die vierte Rastscheibe 133, 134 werden nach ihrem Einrasten in mit den Verriegelungselementen 222, 221 des zweiten Verriegelungselements 220 für die Anzeige einer zweiten Position oder Stellung benutzt. Die sichtbare fünfte und die sechste Rastscheibe 135, 136 werden nach ihrem Einrasten mit den Verriegelungselementen 231, 232 des dritten Verriegelungselements 230 für die Anzeige einer dritten Position oder Stellung benutzt.The gear transmission of the locking device 310 according to the invention shown comprises a total of three Rastscheibenpaare 131, 132; 133, 134; 135, 136, each with two locking washers. The here concealed first and second locking disc 131, 132 are used after their snapping into the first locking element 210 for the display of a first position or position. The third and fourth locking discs 133, 134 concealed here, after being latched in, are used with the locking members 222, 221 of the second locking member 220 for indicating a second position or position. The visible fifth and sixth locking discs 135, 136 are used after being engaged with the locking members 231, 232 of the third locking member 230 for the display of a third position or position.

Durch das hier nicht sichtbare erste Zahnrad 130 ist mittig eine Achse geführt, wobei auch die erste Rastscheibe 131, die dritte Rastscheibe 133 und die fünfte Rastscheibe 135 auf dieser Achse angeordnet sind. Durch das hier ebenfalls nicht sichtbare zweite Zahnrad 140 ist mittig eine weitere Achse geführt, wobei auch die zweite Rastscheibe 132, die vierte Rastscheibe 134 und die sechste Rastscheibe 136 auf dieser Achse angeordnet sind.By not visible here first gear 130, an axis is guided centrally, wherein the first locking disc 131, the third locking disc 133 and the fifth locking disc 135 are arranged on this axis. Through the second gear 140, which is likewise not visible here, a further axis is guided centrally, wherein the second locking disk 132, the fourth locking disk 134 and the sixth locking disk 136 are also arranged on this axis.

Die drei Schaltstangen 10.1, 10.2, 10.3 sind durch in einem Seitenteil 20.2 des Gehäuses 20 vorgesehene Öffnungen geführt.The three shift rods 10.1, 10.2, 10.3 are guided by provided in a side part 20.2 of the housing 20 openings.

Die Verriegelungselemente 210, 220, 230 werden jeweils unter Federvorspannung auf die Rastscheiben 131, 132, 133, 134, 135, 136 gedrückt, so dass die auf den Verriegelungselementen 210, 220, 230 befindlichen Rastnasen bei günstiger Stellung der Rastscheiben 131, 132, 133, 134, 135, 136 einrasten können. Hierzu sind die Verriegelungselemente 210, 220, 230 jeweils mit einem, vorzugsweise als Druckfeder 12, 13 ausgeführten Federelement hinterlegt. So ist beispielsweise das Verriegelungselement 220 mit der Druckfeder 12 (hier lediglich die Position dargestellt) hinterlegt.The locking elements 210, 220, 230 are each pressed under spring tension on the locking discs 131, 132, 133, 134, 135, 136, so that the latching elements located on the locking elements 210, 220, 230 in a favorable position the locking plates 131, 132, 133, 134, 135, 136 can engage. For this purpose, the locking elements 210, 220, 230 each deposited with a, preferably designed as a compression spring 12, 13 spring element. Thus, for example, the locking element 220 with the compression spring 12 (here only the position shown) deposited.

Figur 5 zeigt eine beispielhafte schematische Draufsicht auf das zweite Rastscheibenpaar bestehend aus der dritten und vierten Rastscheibe 133, 134 der erfindungsgemäßen Verriegelungsvorrichtung 310 in einer ersten Verriegelungsposition. FIG. 5 shows an exemplary schematic plan view of the second pair of locking discs consisting of the third and fourth locking disc 133, 134 of the locking device 310 according to the invention in a first locking position.

In dieser Verriegelungsposition greifen die Rastnasen 221, 222 des zweiten Verriegelungselements 220 in die Ausnehmung 143, 144 der Rastscheiben 133, 134 ein und eine Anzeige der ersten Schaltstellung des Schaltgerätes am Stellungsanzeigemodul erfolgt.In this locking position, the latching lugs 221, 222 of the second locking element 220 engage in the recess 143, 144 of the locking discs 133, 134 and an indication of the first switching position of the switching device takes place on the position indicator module.

Dabei wird mittels des Antriebsmotors oder über einen Handantrieb über die Zahnräder 130, 140 des Zahnradgetriebes die dritte Ratscheibe 133 im Uhrzeigersinn bis zum Eingriff ihrer Ausnehmung 143 in das erste Rastelement 221 des zweiten Verriegelungselementes 220 und die vierte Rastscheibe 134 bis zum Eingriff ihrer Ausnehmung 144 in das zweite Rastelement 222 des zweiten Verriegelungselements 220 bewegt. Die mit dem zweiten Verriegelungselement 220 verbundene zweite Schaltstange 10.2 wird dabei eingefahren gefahren. Die Verriegelungselemente 211, 212 des ersten Verriegelungselementes 210 und die Verriegelungselemente 231, 232 des dritten Verriegelungselementes 230 befinden sich demzufolge nicht im Eingriff mit den Ausnehmungen 141, 142; 145, 146 der hier nicht sichtbaren Rastscheiben 131, 132, 135, 136.In this case, by means of the drive motor or via a manual drive via the gears 130, 140 of the gear transmission, the third Ratscheibe 133 clockwise to engage their recess 143 in the first locking element 221 of the second locking element 220 and the fourth locking disc 134 to engage their recess 144 in the second latching element 222 of the second locking element 220 moves. The second shift rod 10.2 connected to the second locking element 220 is retracted. The locking elements 211, 212 of the first locking element 210 and the locking elements 231, 232 of the third locking element 230 are consequently not in engagement with the recesses 141, 142; 145, 146 of the locking discs 131, 132, 135, 136 not visible here.

Figur 6 zeigt eine beispielhafte schematische Draufsicht auf das erste Rastscheibenpaar bestehend aus der ersten und zweiten Rastscheibe 131, 132 der erfindungsgemäßen Verriegelungsvorrichtung 310 in einer zweiten Verriegelungsposition. FIG. 6 shows an exemplary schematic plan view of the first pair of locking discs consisting of the first and second locking disc 131, 132 of the locking device 310 according to the invention in a second locking position.

In dieser Verriegelungsposition greifen die Rastnasen 211, 212 des ersten Verriegelungselements 210 in die Ausnehmung 141, 142 der Rastscheiben 131, 132 ein und eine Anzeige der ersten Schaltstellung des Schaltgerätes am Stellungsanzeigemodul erfolgt.In this locking position, the locking lugs 211, 212 of the first locking element 210 engage in the recess 141, 142 of the locking discs 131, 132 and an indication of the first switching position of the switching device takes place on the position indicator module.

Dabei wird mittels des Antriebsmotors oder über einen Handantrieb über die Zahnräder 130, 140 des Zahnradgetriebes die erste Rastscheibe 131 entgegen dem Uhrzeigersinn bis zum Eingriff ihrer Ausnehmung 141 in das erste Rastelement 211 des ersten Verriegelungselementes 210 und die zweite Rastscheibe 132 bis zum Eingriff ihrer Ausnehmung 142 in das zweite Rastelement 212 des ersten Verriegelungselements 210 bewegt. Die mit dem ersten Verriegelungselement 210 verbundene erste Schaltstange 10.1 wird dabei ausgefahren. Die Verriegelungselemente 221, 222 des zweiten Verriegelungselementes 220 und die Verriegelungselemente 231, 232 des dritten Verriegelungselementes 230 befinden sich demzufolge nicht im Eingriff mit den Ausnehmungen 143, 144; 145, 146 der hier nicht sichtbaren Rastscheiben 133, 134, 135, 136.In this case, by means of the drive motor or via a manual drive via the gears 130, 140 of the gear transmission, the first locking disc 131 counterclockwise until engagement of its recess 141 in the first locking element 211 of the first locking element 210 and the second locking disc 132 to engage their recess 142nd moved into the second latching element 212 of the first locking element 210. The first shift rod 10.1 connected to the first locking element 210 is thereby extended. The locking elements 221, 222 of the second locking element 220 and the locking elements 231, 232 of the third locking element 230 are consequently not in engagement with the recesses 143, 144; 145, 146 of the locking discs 133, 134, 135, 136 not visible here.

In der in den Figuren nicht gezeigten dritten Verriegelungsposition greifen die Rastnasen 231, 232 des dritten Verriegelungselements 230 in die Ausnehmung 145, 146 der Rastscheiben 135, 136 ein und eine Anzeige der dritten Schaltstellung des Schaltgerätes am Stellungsanzeigemodul erfolgt.In the third locking position, not shown in the figures, the locking lugs 231, 232 of the third locking element 230 engage in the recess 145, 146 of the locking discs 135, 136 and an indication of the third switching position of the switching device takes place on the position indicator module.

Dabei wird mittels des Antriebsmotors oder über einen Handantrieb über die Zahnräder 130, 140 des Zahnradgetriebes die fünfte Rastscheibe 135 entgegen dem Uhrzeigersinn bis zum Eingriff ihrer Ausnehmung 145 in das erste Rastelement 231 des dritten Verriegelungselementes 230 und die sechste Rastscheibe 136 bis zum Eingriff ihrer Ausnehmung 146 in das dritte Rastelement 232 des dritten Verriegelungselements 230 bewegt. Die mit dem dritten Verriegelungselement 230 verbundene erste Schaltstange 10.3 wird dabei bewegt und ausgefahren.In this case, by means of the drive motor or via a manual drive via the gears 130, 140 of the gear mechanism, the fifth locking disc 135 counterclockwise until engagement of its recess 145 in the first locking element 231 of the third locking element 230 and the sixth locking disc 136 to the engagement of its recess 146th in the third locking element 232 of the third locking element 230 moves. The first shift rod 10.3 connected to the third locking element 230 is thereby moved and extended.

Die Verriegelungselemente 211, 212 des ersten Verriegelungselementes 210 und die Verriegelungselemente 221, 222 des zweiten Verriegelungselementes 220 befinden sich demzufolge nicht im Eingriff mit den Ausnehmungen 141, 142; 143, 144 der Rastscheiben 131, 132, 133, 134.The locking elements 211, 212 of the first locking element 210 and the locking elements 221, 222 of the second locking element 220 are consequently not in engagement with the recesses 141, 142; 143, 144 of the locking discs 131, 132, 133, 134th

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Blechteilsheet metal part
1.11.1
erstes Blechteilfirst sheet metal part
1.21.2
letztes Blechteillast sheet metal part
1010
Schaltstangeshift rod
1212
Federelement, DruckfederSpring element, compression spring
1313
Federelement, DruckfederSpring element, compression spring
2020
Gehäuse der VerriegelungsvorrichtungHousing of the locking device
20.120.1
Seitenteil des Gehäuses der VerriegelungsvorrichtungSide part of the housing of the locking device
20.220.2
Seitenteil des Gehäuses der VerriegelungsvorrichtungSide part of the housing of the locking device
20.320.3
Oberteil des Gehäuses der VerriegelungsvorrichtungUpper part of the housing of the locking device
20.420.4
Unterteil des Gehäuses der VerriegelungsvorrichtungLower part of the housing of the locking device
1212
Federelementspring element
1313
Federelementspring element
2020
Träger, Gehäuse, Aufnahmeeinheit für die VerriegelungsvorrichtungCarrier, housing, receiving unit for the locking device
3030
elektrischer Anschlusselectrical connection
4040
Eingriff des Zahnradgetriebes gemäß eines definierten ÜbersetzungsverhältnisEngaging the gear transmission according to a defined transmission ratio
5050
Endschalter zum Abschalten des AntriebsmotorsLimit switch for switching off the drive motor
6060
Anschlusselement zum Anschluss des Antriebsmotors und der Spindel zur Verbindung mit dem SchaltgerätConnection element for connecting the drive motor and the spindle for connection to the switching device
6161
Anschlusselementconnecting element
7070
StellungsanzeigeanschlussPosition indicator Connection
8080
Welle- Nabe VerbindungShaft-hub connection
130130
erstes Zahnradfirst gear
131131
erste Rastscheibefirst locking disc
132132
zweite Rastscheibesecond locking disc
133133
dritte Rastscheibethird locking disc
134134
vierte Rastscheibefourth locking disc
135135
fünfte Rastscheibefifth locking disk
136136
sechste Rastscheibesixth locking disc
141141
Eingriffstelle, Ausnehmung der ersten RastscheibeEngagement point, recess of the first locking disc
142142
Eingriffstelle, Ausnehmung der zweiten RastscheibeEngagement point, recess of the second locking disc
143143
Eingriffstelle, Ausnehmung der dritten RastscheibeEngagement point, recess of the third locking disc
144144
Eingriffstelle, Ausnehmung der vierten RastscheibeEngagement point, recess of the fourth locking disc
145145
Eingriffstelle, Ausnehmung der fünften RastscheibeEngagement point, recess of the fifth locking disk
146146
Eingriffstelle, Ausnehmung der sechsten RastscheibeEngagement point, recess of the sixth locking disc
140140
zweites Zahnradsecond gear
150150
erstes Trägerteilfirst carrier part
190190
Verbindungselement zur Verbindung mit dem StellungsanzeigemodulConnector for connection to the position indicator module
210210
erstes Rastelement, Verriegelungselementfirst locking element, locking element
211211
erste Rastnase, Eingriffteil des ersten Rastelementsfirst locking lug, engaging part of the first locking element
212212
zweite Rastnase, Eingriffteil des ersten Rastelementssecond detent, engagement part of the first locking element
220220
zweites Rastelement, Verriegelungselementsecond locking element, locking element
221221
erste Rastnase des zweiten Rastelementsfirst latching lug of the second latching element
222222
zweite Rastnase des zweiten Rastelementssecond latching lug of the second latching element
230230
drittes Rastelement, Verriegelungselementthird locking element, locking element
231231
erste Rastnase, Eingriffteil des dritten Rastelementsfirst latching lug, engaging part of the third latching element
232232
zweite Rastnase, Eingriffteil des dritten Rastelementssecond latching lug, engaging part of the third latching element
310310
Verriegelungsvorrichtunglocking device
410410
Gehäuse, GussgehäuseHousing, cast housing

Claims (10)

  1. Locking device for a drive unit for actuating a switching device of a switchgear, which locking device has a spindle drive for actuating the switching device, and a gear mechanism coupled or couplable thereto, can be driven by a drive motor or a manual operating device and, after a defined number of partial revolutions of a drive shaft of the spindle arrangement, said drive shaft being connected to the gear mechanism, here locks the switching device, thus brings the switching device into one of three predetermined locking positions or switch settings and displays these by means of at least one provided setting display module, wherein the number of partial revolutions for the locking of the switching device is either greater or less than one complete revolution of the drive shaft, characterized in that the gear mechanism is made up of two intermeshing gearwheels (130, 140) having a defined transmission ratio, wherein each of the gearwheels (130, 140) cooperates with respectively three detent disks (131, 132, 133, 134, 135, 136) connected thereto, and each locking position can be transmitted by respectively one of three locking elements (210, 220, 230), which are then engaged with the detent disk pairs (131, 132; 133, 134; 135, 136) assigned to the locking elements (210, 220, 230), to a switch rod (10.1, 10.2, 10.3) disposed thereon for the display of the switch setting on the setting display module.
  2. Locking device according to Claim 1, characterized in that the detent disks (131, 132; 133, 134; 135, 136) respectively have at least one engagement point (141, 142, 142, 144, 145, 146) per detent disk (131, 132; 133, 134; 135, 136) for engagement in an engagement part (211, 212, 221, 222, 231, 232) of the associated locking element (210, 220, 230).
  3. Locking device according to Claim 2, characterized in that, in a first switch setting of the switching device, the engagement parts (221, 222) of the second locking element (220) engage in the engagement point (143, 144) on the third and fourth detent disks (133, 144) and the first switch setting of the switching device is displayed on the setting display module.
  4. Locking device according to Claim 2, characterized in that, in a first switch setting of the switching device, the engagement parts (211, 212) of the first locking element (210) engage in the engagement point (141, 142) on the detent disks (131, 132) and the second switch setting of the switching device is displayed on the setting display module.
  5. Locking device according to Claim 2, characterized in that, in a third switch setting of the switching device, the engagement parts (231, 232) of the third locking element (230) engage in the engagement point (145, 146) on the detent disks (135, 136) and the third switch setting of the switching device is displayed on the setting display module.
  6. Locking device according to one of the preceding patent claims, characterized in that a housing (20), made up of a plurality of sheet metal parts (1) arranged one above the other, is provided for the reception of the locking device.
  7. Locking device according to one of Claims 1 to 5, characterized in that the locking device is disposed in a cast metal housing (180, 410) of a drive unit.
  8. Locking device according to one of the preceding patent claims, characterized in that the drive motor and the spindle arrangement are connected to the connection element (60) of the gear mechanism by means of a plug-in shaft-hub connection (80).
  9. Locking device according to one of the preceding patent claims, characterized in that, for the actuation of the switching device, only one drive motor is provided.
  10. Use of the locking device according to one of the preceding claims in a drive unit for actuating a combined isolating and grounding switch in gas-insulated, air-insulated or vacuum-insulated high or medium voltage switchgears.
EP12733426.6A 2011-07-25 2012-07-09 Locking device for a drive unit of a three-position drive mechanism for a connection device of switching assembly Active EP2737509B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12733426.6A EP2737509B1 (en) 2011-07-25 2012-07-09 Locking device for a drive unit of a three-position drive mechanism for a connection device of switching assembly

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP11006068 2011-07-25
DE201210008276 DE102012008276A1 (en) 2011-07-25 2012-04-24 Locking device for a drive unit of a three-position drive for a switching device of a switchgear
EP12733426.6A EP2737509B1 (en) 2011-07-25 2012-07-09 Locking device for a drive unit of a three-position drive mechanism for a connection device of switching assembly
PCT/EP2012/002889 WO2013013775A2 (en) 2011-07-25 2012-07-09 Locking device for a drive unit of a three-position drive mechanism for a connection device of switching assembly

Publications (2)

Publication Number Publication Date
EP2737509A2 EP2737509A2 (en) 2014-06-04
EP2737509B1 true EP2737509B1 (en) 2016-08-31

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EP12733425.8A Active EP2737508B1 (en) 2011-07-25 2012-07-09 Locking device for a drive unit for actuating a connection device of a switching assembly
EP12733426.6A Active EP2737509B1 (en) 2011-07-25 2012-07-09 Locking device for a drive unit of a three-position drive mechanism for a connection device of switching assembly

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EP12733425.8A Active EP2737508B1 (en) 2011-07-25 2012-07-09 Locking device for a drive unit for actuating a connection device of a switching assembly

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EP (2) EP2737508B1 (en)
KR (2) KR101961702B1 (en)
CN (2) CN103688329B (en)
DE (2) DE102012008276A1 (en)
WO (2) WO2013013775A2 (en)

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DE102014102403B4 (en) * 2014-02-25 2015-11-05 Konecranes Plc Explosion-proof crossing limit switch
CN104409251B (en) * 2014-11-03 2017-02-15 安徽蓝翔电器成套设备有限公司 Switch
KR200481214Y1 (en) 2015-06-24 2016-08-30 엘에스산전 주식회사 The Locking Device for Operating Mechanism of Gas Insulated Switchgear
CN106057520B (en) * 2016-07-28 2019-01-11 许继集团有限公司 A kind of rotating output device and the switchgear operating mechanism using the device
KR101912698B1 (en) 2017-02-21 2018-10-29 엘에스산전 주식회사 Circuit breaker having operating device
KR101912699B1 (en) 2017-07-27 2018-12-28 엘에스산전 주식회사 Direct current air circuit breaker
EP3553804B1 (en) * 2018-04-10 2021-03-24 Rail Power Systems GmbH High voltage or medium voltage installation

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CA935879A (en) * 1970-11-25 1973-10-23 Canadian General Electric Company Limited Transformer tap-changer mechanism
DE2216272C3 (en) * 1972-04-05 1980-10-23 Ruhrtal Elektrizitaetsgesellschaft Hartig Gmbh & Co, 4300 Essen High-voltage switching device, in particular disconnector
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EP1906426B1 (en) * 2006-09-29 2009-05-06 Siemens Aktiengesellschaft Switching device with operating mechanism
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JP5367594B2 (en) * 2010-01-13 2013-12-11 株式会社東芝 Switch operating device

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DE102012008276A1 (en) 2013-01-31
WO2013013775A3 (en) 2013-04-04
EP2737509A2 (en) 2014-06-04
KR20140047090A (en) 2014-04-21
WO2013013772A2 (en) 2013-01-31
CN103688329B (en) 2016-03-09
EP2737508A2 (en) 2014-06-04
CN103688329A (en) 2014-03-26
KR20140053977A (en) 2014-05-08
CN103703532A (en) 2014-04-02
EP2737508B1 (en) 2016-08-31
KR101941563B1 (en) 2019-01-23
CN103703532B (en) 2016-10-12
KR101961702B1 (en) 2019-03-25
DE102012008129A1 (en) 2013-01-31
WO2013013772A3 (en) 2013-04-04
WO2013013775A2 (en) 2013-01-31

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