EP2410550B1 - Lockable rotary handle - Google Patents
Lockable rotary handle Download PDFInfo
- Publication number
- EP2410550B1 EP2410550B1 EP10170687.7A EP10170687A EP2410550B1 EP 2410550 B1 EP2410550 B1 EP 2410550B1 EP 10170687 A EP10170687 A EP 10170687A EP 2410550 B1 EP2410550 B1 EP 2410550B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- handle
- lockable
- collar
- locking collar
- 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
Links
- 230000001066 destructive effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
- H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/08—Turn knobs
- H01H3/10—Means for securing to shaft of driving mechanism
Definitions
- the lockable locking handle system has at least two guide grooves and guide rails over the circumference of the locking collar and the locking collar. As a result, the locking ring can be guided symmetrically.
Description
Die Erfindung betrifft ein verriegelungsfähiges Sperrgriffsystem für ein elektrisches Schaltgerät. Verschiedene Vorschriften, wie z.B. die IEC 60947-1 und DIN EN 60204-1, verlangen, dass elektrische Schaltgeräte in bestimmten Einbausituationen mit einem oder mehreren Bügelschlössern in der AUS-Stellung des Schaltgerätes gegen Wiedereinschalten gesichert werden können, um z.B. ein Einschalten einer elektrischen Anlage zu verhindern, während Wartungsarbeiten an der Anlage im Gange sind. Es bestehen Forderungen, die AUS-Position mit bis zu 4 Bügelschlössern zu sichern.The invention relates to a lockable locking handle system for an electrical switching device. Various regulations, such as IEC 60947-1 and DIN EN 60204-1, require that, in certain installation situations, electrical switchgear can be secured against being switched back on with one or more U-locks in the OFF position of the switching device, in order, for example, to switch it on again. to prevent the electrical system from being switched on while maintenance work is being carried out on the system. There are demands to secure the OFF position with up to 4 padlocks.
Aus der
Aus der
Aus der
Nach der
Aus der
Die Firma Eaton Industries bietet in Ihrem Katalog HPL 2010 einen Drehgriff mit Sperrkranz SVB an, wobei der Drehgriff über den Sperrkranz mit bis zu drei Vorhängeschlössern gegen unbefugtes Einschalten gesichert werden kann. Um die Forderung nach einem vierten Schloss zu erfüllen, ist ein viertes Loch in Drehgriff und Kranz denkbar, jedoch wäre dann auch eine Abschließbarkeit in Positionen gegeben, die normativ unzulässig sind. Beispielsweise könnte bei in EIN-Stellung verschweißten Kontakten im Grundgerät der Griff so weit in Richtung AUS gedreht werden, dass ein Schloss eingehängt werden könnte und der Eindruck einer sicheren AUS-Stellung erweckt würde.The company Eaton Industries offers in its catalog HPL 2010 a rotary handle with locking ring SVB, whereby the rotary handle can be secured over the locking ring with up to three padlocks against unauthorized switching on. In order to meet the requirement for a fourth lock, a fourth hole in the twist grip and wreath is conceivable, but then also a lockability would be given in positions that are normatively inadmissible. For example, in the case of contacts welded in the ON position, the handle could be turned so far in the direction of OFF that a lock could be suspended and the impression of a safe OFF position would be created.
Aus den Veröffentlichungen
Es ist daher Aufgabe der vorliegenden Erfindung, ein verriegelungsfähiges Sperrgriffsystem für ein elektrisches Schaltgerät bereitzustellen, das in einer sicheren AUS-Stellung des Schaltgeräts mit mindestens vier Vorhänge- oder Bügelschlössern gegen unbefugtes Einschalten gesichert werden kann.It is therefore an object of the present invention to provide a lockable locking handle system for an electrical switching device that can be secured in a safe OFF position of the switching device with at least four curtain or U-locks against unauthorized switching.
Ausgehend von einem verriegelungsfähigen Sperrgriffsystem der eingangs genannten Art wird die Aufgabe erfindungsgemäß durch die Gesamtheit der Merkmale des Hauptanspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen der Erfindung sind den Unteransprüchen 2 bis 8 zu entnehmenStarting from a lockable locking handle system of the type mentioned, the object is achieved by the totality of the features of the main claim 1. Further advantageous embodiments of the invention are described in the dependent claims 2 to 8
Das erfindungsgemäße verriegelungsfähiges Sperrgriffsystem zeichnet sich dadurch aus, dass er einen auf die Schaltwelle des elektrischen Schaltgerätes geschobenen und in die zwei Komponenten Drehgriff und Sperrkragen aufteilten Sperrgriff aufweist. Dabei ist der Sperrkragen gegenüber dem Drehgriff in Richtung der Schaltwellenlängsachse vertikal in eine ABGESCHLOSSEN- und eine OFFEN-Position verschiebbar, wobei der Sperrkragen sich so mit dem Sperrkranz im Eingriff befindet, dass er in der Abgeschlossen-Position nicht gegenüber dem Sperrkranz verdrehbar ist.The lockable locking handle system according to the invention is characterized in that it has a blocking handle pushed onto the switching shaft of the electrical switching device and divided into the two components of the rotary handle and locking collar. In this case, the locking collar relative to the rotary handle in the direction of the shift shaft longitudinal axis is vertically displaceable in a COMPLETED and an OPEN position, wherein the locking collar is so engaged with the ratchet, that it is not rotated in the closed position relative to the ratchet.
Es ist eine weitere Aufgabe der vorliegenden Erfindung, ein elektrisches Schaltgerät anzugeben, das sich in einer sicheren AUS-Stellung mit mindestens vier Vorhänge- oder Bügelschlössern gegen unbefugtes Einschalten gesichert werden kann.It is a further object of the present invention to provide an electrical switching device that can be secured against unauthorized start-up in a safe OFF position with at least four curtain or padlocks.
Diese weitere, der Erfindung zugrunde liegende Aufgabe wir durch die Merkmalskombination des Anspruchs 9 gelöst.This further object of the invention is achieved by the feature combination of claim 9.
Erfindungsgemäße elektrische Schaltgeräte zeichnen sich dadurch aus, dass sie ein erfindungsgemäßes verriegelungsfähiges Sperrgriffsystem mit den Merkmalskombinationen gemäß den Ansprüchen 1 bis 8 aufweisen.Electrical switching devices according to the invention are characterized in that they have an inventive lockable locking handle system with the feature combinations according to claims 1 to 8.
Erfindungsgemäß weist der Sperrkranz eine mindestens Führungsnut auf seiner inneren Umfangsfläch auf. Der Sperrkragen hingegen weist auf seiner äußeren Umfangsfläche mindestens eine korrespondierende Führungsschiene auf. Die Führungsnut ist so ausgestaltet, dass der Sperrkranz nur dann vertikal in Richtung der Längsachse der Schaltwelle in eine ABGESCHLOSSEN-Position verschoben werden kann, wenn sich die Schaltwelle in der AUS-Position befindet. In dieser ABGESCHLOSSEN- Position ist der Sperrkranz und damit der Sperrgriff drehfest mit dem Sperrkranz verbunden, so dass er in dieser Position die Schaltwelle nicht verdrehen und damit den Schalter nicht einschalten kann.According to the invention the locking ring has an at least guide groove on its inner peripheral surface. The locking collar, however, has at least one corresponding guide rail on its outer peripheral surface. The guide groove is configured so that the ratchet can only be moved vertically in the direction of the longitudinal axis of the shift shaft in a COMPLETED position when the shift shaft is in the OFF position. In this COMPLETED position, the ratchet and thus the locking handle is rotatably connected to the ratchet so that it does not turn in this position, the switching shaft and thus can not turn on the switch.
Erfindungsgemäß weist der Sperrkragen mindestens einen Durchbruch in seiner Umfangsseite auf, durch den der Bügel eines Bügelschlosses geführt werden kann, wenn sich der Sperrkragen in der ABGESCHLOSSEN-Position befindet. Somit kann der Sperrkragen nicht in die Offen-Position überführt werden kann, ohne den Bügel des Schlosses zu entfernen.According to the invention, the locking collar has at least one opening in its peripheral side, through which the bow of a padlock can be guided when the locking collar is in the closed position. Thus, the locking collar can not be transferred to the open position without removing the bracket of the castle.
In einer bevorzugten Ausführungsform können durch den mindestens einen Durchbruch in der Umfangsseite des Sperrkragens die Bügel von mindestens 4 Bügelschlössern geführt werden.In a preferred embodiment, the bracket can be performed by at least 4 U-locks by the at least one breakthrough in the peripheral side of the locking collar.
In einer vorteilhaften Ausführungsform weist das verriegelungsfähige Sperrgriffsystem mindestens zwei Führungsnuten und Führungsschienen über den Umfang des Sperrkranzes und des Sperrkragens auf. Dadurch kann der Sperrkranz symmetrisch geführt werden.In an advantageous embodiment, the lockable locking handle system has at least two guide grooves and guide rails over the circumference of the locking collar and the locking collar. As a result, the locking ring can be guided symmetrically.
Der Vorteil der Erfindung liegt darin begründet, dass die Verhinderung der Drehbewegung des Sperrgriffs und damit die Verhinderung der Einschaltung des elektrischen Schaltgerätes bei dem erfindungsgemäßen Sperrgriff von der Abschließbarkeit funktionell getrennt ist. Die Verhinderung der Drehbewegung erfolgt über den Eingriff der Führungsschiene des Sperrkragens in die Führungsnut des Sperrkranzes. Die Abschließbarkeit hingegen erfolgt durch eine Verhinderung einer Vertikalbewegung des Sperrkranzes aus der ABGESCHLOSSEN-Position heraus. Dabei kann durch eine geeignete Dimensionierung der Passung zwischen Führungsschiene und Führungsnut verhindert werden, dass der Sperrgriff in der ABGESCHLOSSEN-Position soweit gedreht werden kann, dass sich der Schalter nicht mehr in einem sicheren AUS-Zustand befindet bzw. dass sich bei z.B. verschweißten Schaltkontakten des elektrischen Schaltgerätes der Sperrgriff in eine Position gedreht werden kann, die ohne dass die Kontakte verschweißt wären einem sicheren AUS-Zustand des elektrischen Schaltgerätes entsprechen würde. Als weiterer Vorteil ist zu sehen, dass der in der ABGESCHLOSSEN-Position des verriegelungsfähigen Sperrgriffs in axialer Richtung aus dem Sperrkranz herausgezogenen Sperrkragen die greifbaren Seitenfläche des Drehgriffs teilweise verdeckt, so dass ein Bediener in dieser ABGESCHLOSSEN-Position des Drehgriffs weniger Angriffsfläche für die Hand oder ein Werkzeug vorfindet als in der OFFEN-Position. Dadurch kann in dieser Position weniger Drehmoment auf den Drehgriff aufgebracht werden als in der OFFEN-Position. Dadurch wird ein unbefugtes Einschalten des elektrischen Schaltgerätes bei abgeschlossenem Drehgriff durch Gewaltanwendung erschwert.The advantage of the invention lies in the fact that the prevention of the rotational movement of the locking handle and thus the prevention of the switching of the electrical switching device is functionally separated in the locking handle according to the invention of the lockability. The prevention of the rotational movement takes place via the engagement of the guide rail of the locking collar in the guide groove of the locking ring. The lockability, however, takes place by preventing vertical movement of the locking ring out of the COMPLETED position. In this case, it can be prevented by a suitable dimensioning of the fit between the guide rail and guide groove, that the locking handle can be rotated in the COMPLETED position so far that the switch is no longer in a safe OFF state or that at e.g. welded switch contacts of the electrical switching device, the locking handle can be rotated to a position that without the contacts would be welded would correspond to a safe OFF state of the electrical switching device. As a further advantage, it can be seen that in the COMPLETED position of the lockable locking handle in the axial direction pulled out of the locking ring locking collar partially covers the tangible side surface of the rotary handle, so that an operator in this COMPLETED position of the rotary handle less attack surface for the hand or find a tool as in the OPEN position. As a result, less torque can be applied to the rotary handle in this position than in the OPEN position. As a result, an unauthorized switching on the electrical switching device is difficult when the handle is closed by violence.
Anhand der in den Figuren dargestellten Ausführungsbeispiele wird die Erfindung näher erläutert. Es zeigen:
- Fig 1
- ein verriegelungsfähiges Sperrgriffsystem nach dem Stand der Technik
- Fig 2
- die beiden Komponenten Drehgriff und Sperrkragen eines erfindungsgemäßen verriegelungsfähigen Sperrgriffsystems in einer Explosionsdarstellung
- Fig 3
- einen erfindungsgemäßen Sperrkranz
- Fig 4
- einen erfindungsgemäßen Drehgriff in einen erfindungsgemäßen Sperrkranz montiert in OFFEN-Position in Seitenansicht und Schnitt
- Fig 5
- einen erfindungsgemäßen Drehgriff in einen erfindungsgemäßen Sperrkranz montiert in ABGESCHLOSSEN-Position in Seitenansicht und Schnitt
- Fig. 1
- a lockable locking handle system according to the prior art
- Fig. 2
- the two components rotary handle and locking collar of a lockable locking handle system according to the invention in an exploded view
- Fig. 3
- a locking ring according to the invention
- Fig. 4
- a rotary handle according to the invention mounted in a locking ring according to the invention in OPEN position in side view and section
- Fig. 5
- a rotary handle according to the invention mounted in a locking ring according to the invention in COMPLETED position in side view and section
Das in
Schlossbügel dergestalt abgestimmt sein müssen, dass nur ein sehr begrenztes Spiel zwischen Schlossbügel und Durchbruch (125) zugelassen werden dürfte. Im Gegenteil sind in
Schlossbügel must be coordinated so that only a very limited clearance between the lock bracket and breakthrough (125) should be allowed. On the contrary, in
- 1010
- verriegelungsfähiges Sperrgriffsystemlockable locking handle system
- 100100
- Sperrgrifflatch handle
- 110110
- Drehgriffrotary handle
- 111111
- greifbare Seitenflächetangible side surface
- 115115
- Durchbruchbreakthrough
- 120120
- Sperrkragenlocking collar
- 125125
- Durchbruchbreakthrough
- 126126
- Führungsschieneguide rail
- 130130
- Sperrkranzlocking collar
- 136136
- Führungsnutguide
- 137137
- erster Teil der Führungsnutfirst part of the guide groove
- 138138
- zweiter Teil der Führungsnutsecond part of the guide groove
Claims (9)
- Lockable locking handle system (100) for an electrical switching device comprising a locking rim (130), the locking rim (130) being slid over a switching shaft of a switch and mounted on a switch housing or a front panel, and a locking handle (100) connected for rotation with the switching shaft by clamping means and located in front of the locking rim (130),
wherein
the locking handle (100) consists of two components, namely a rotary handle (110) comprising a grippable side surface (111), and a locking collar (120), characterized in that the locking collar (120) can be pulled out axially relative to the rotary handle (110) from the locking rim (130) in the direction of a longitudinal axis of the switching shaft from an OPEN position into at least one CLOSED position, such that the locking collar (120) partially covers the grippable side surface (111) of the rotary handle (110) and the locking collar (120) is engaged with the locking rim (130) so that when the locking collar (120) is in the CLOSED position it is unable to rotate relative to the locking rim (130). - Lockable locking handle system (100) according to claim 1, characterized in that the rotary handle (110) cannot be detached from the locking collar (120) in a non-destructive manner.
- Lockable locking handle system (100) according to any of claims 1 or 2, characterized in that the locking collar (120) engages the locking rim (130) via a guiding groove (136) on the inner circumferential surface of the locking rim (130), into which a corresponding guide rail (126) on the locking collar (120) engages.
- Lockable locking handle system (100) according to claim 3, characterized in that at least two guiding grooves (136) and guide rails (126) are distributed over the circumference of the locking rim (130) and locking collar (120).
- Lockable locking handle system (100) according to any of the preceding claims, characterized in that the locking collar (120) comprises at least one opening (125) in its circumference through which the shackle of a shackle lock can be passed when the locking collar (120) is in the CLOSED position, so as to prevent the locking collar (120) from being moved to the OPEN position without removing the shackle of the lock.
- Lockable locking handle system (100) according to any of the preceding claims, characterized in that the locking collar (120) can only be moved axially when the electrical switch is in the OFF position.
- Lockable locking handle system (100) according to any of the preceding claims, characterized in that at least four shackles of shackle locks can be passed through the at least one opening (125) in the circumference of the locking collar (120).
- Lockable locking handle system (100) according to any of the preceding claims, characterized in that, in the CLOSED position, the locking collar (120) reduces the size of the grippable operating surface of the rotary handle (110) compared to that in the OPEN position.
- Electrical switching device, characterized in that the switching device comprises a lockable locking handle system (100) according to any of the preceding claims.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10170687.7A EP2410550B1 (en) | 2010-07-23 | 2010-07-23 | Lockable rotary handle |
US13/180,712 US8664552B2 (en) | 2010-07-23 | 2011-07-12 | Lockable turning handle |
CN201110214163.6A CN102347155B (en) | 2010-07-23 | 2011-07-22 | Lockable rotary handle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10170687.7A EP2410550B1 (en) | 2010-07-23 | 2010-07-23 | Lockable rotary handle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2410550A1 EP2410550A1 (en) | 2012-01-25 |
EP2410550B1 true EP2410550B1 (en) | 2016-08-17 |
Family
ID=43259781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10170687.7A Active EP2410550B1 (en) | 2010-07-23 | 2010-07-23 | Lockable rotary handle |
Country Status (3)
Country | Link |
---|---|
US (1) | US8664552B2 (en) |
EP (1) | EP2410550B1 (en) |
CN (1) | CN102347155B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9859069B2 (en) | 2011-11-15 | 2018-01-02 | Rockwell Automation Technologies, Inc. | Handle assembly with defeater and related methods |
US9303432B2 (en) * | 2011-11-15 | 2016-04-05 | Rockwell Automation Technologies, Inc. | Handle with operable barriers and related locking methods |
US9390868B2 (en) * | 2013-03-15 | 2016-07-12 | Rockwell Automation Technologies, Inc. | Switch assembly for disconnect operator |
FR3006498B1 (en) * | 2013-05-31 | 2015-07-03 | Alstom Technology Ltd | DEVICE FOR CONTROLLING ELECTRICAL EQUIPMENT COMPRISING AXIAL NOTCHES |
CN104252981B (en) * | 2013-06-28 | 2017-11-14 | 施耐德电气工业公司 | Padlock interlock and rotary handle for rotary handle |
US20150083555A1 (en) * | 2013-09-20 | 2015-03-26 | David M. Nickels | Position lock for electrical control devices |
DE102016211699A1 (en) * | 2016-06-29 | 2018-01-04 | Siemens Aktiengesellschaft | Switch, in particular switch disconnector |
WO2020162176A1 (en) * | 2019-02-07 | 2020-08-13 | アルプスアルパイン株式会社 | Input device |
CN112216567A (en) * | 2020-10-30 | 2021-01-12 | 上海良信电器股份有限公司 | Operating device for rotary switch and rotary switch |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1200923B (en) | 1962-06-12 | 1965-09-16 | Licentia Gmbh | Lockable, hand-operated drive for electrical switchgear |
CH631828A5 (en) | 1978-07-10 | 1982-08-31 | Weber Ag Fab Elektro | Closing device for a rotary switch |
DE9202697U1 (en) | 1992-02-29 | 1993-07-01 | Kloeckner-Moeller Gmbh, 5300 Bonn, De | |
DE4321981C2 (en) | 1993-07-01 | 1995-08-17 | Siemens Ag | Built-in switch with cover and lockable actuator |
US5609244A (en) * | 1995-11-13 | 1997-03-11 | Reitech Corporation | Interlock device |
DE19603238C1 (en) | 1996-01-30 | 1997-04-10 | Kloeckner Moeller Gmbh | Lockable actuator for use with rotary switch |
DE19939717A1 (en) * | 1999-08-21 | 2001-02-22 | Moeller Gmbh | Manual operating device electrical switching device, has rotary handle connected to drive plate within ridge with edge segments forming circle when in off position |
FR2886756B1 (en) * | 2005-06-02 | 2007-07-20 | Schneider Electric Ind Sas | DEVICE FOR ACTUATING AN ELECTRICAL DEVICE SWITCH WITH LATCHING DEVICE |
-
2010
- 2010-07-23 EP EP10170687.7A patent/EP2410550B1/en active Active
-
2011
- 2011-07-12 US US13/180,712 patent/US8664552B2/en active Active
- 2011-07-22 CN CN201110214163.6A patent/CN102347155B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN102347155A (en) | 2012-02-08 |
CN102347155B (en) | 2015-07-08 |
EP2410550A1 (en) | 2012-01-25 |
US8664552B2 (en) | 2014-03-04 |
US20120018286A1 (en) | 2012-01-26 |
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