EP2268428B1 - Locking system for a rotatable part - Google Patents

Locking system for a rotatable part Download PDF

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Publication number
EP2268428B1
EP2268428B1 EP20090779946 EP09779946A EP2268428B1 EP 2268428 B1 EP2268428 B1 EP 2268428B1 EP 20090779946 EP20090779946 EP 20090779946 EP 09779946 A EP09779946 A EP 09779946A EP 2268428 B1 EP2268428 B1 EP 2268428B1
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EP
European Patent Office
Prior art keywords
gear wheel
locking system
rotation
engagement
toothed
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EP20090779946
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German (de)
French (fr)
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EP2268428A1 (en
Inventor
Frieder Flamm
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Flamm GmbH
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Flamm GmbH
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Priority to PL09779946T priority Critical patent/PL2268428T3/en
Publication of EP2268428A1 publication Critical patent/EP2268428A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
    • E05C3/16—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C3/22—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled
    • E05C3/36—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled in the form of a rotary gear
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
    • E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/096—Sliding
    • Y10T292/1014—Operating means
    • Y10T292/1021—Motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/306—Gear
    • Y10T292/307—Sliding catch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies

Definitions

  • the first conceivable solution is quite complex and therefore expensive, while the door lock is not suitable for a positionally accurate alignment of particular two mutually rotatable parts.
  • the axially effective toothing is preferably a crown gear.
  • Crown wheels are gears whose running surface lies in the wheel surface.

Abstract

The invention relates to a locking system for a rotatable part, in particular in arrangements in which two parts which can be rotated in relation to each other, for example a die and a punch in a stamping apparatus, have to be aligned exactly in relation to each other. In order to provide a positionally accurate mechanical locking system with a simple design, the invention proposes that a gearwheel (3) having an end-side and/or axially effective toothing system (4) is connected to the rotatable part (2) fixedly in terms of rotation, and that at least one toothing segment (5a-5f) which can move to and fro in the direction of the axis of rotation and/or parallel to the axis of rotation of the gearwheel is arranged over the circumference of the gearwheel, wherein the teeth or gaps between the teeth of the toothing segment and gearwheel can be brought into engagement without play.

Description

Die Erfindung betrifft eine Verriegelung eines verdrehbaren Teils, wobei mit dem verdrehbaren Teil drehfest ein Zahnrad mit einer stirnseitigen und/oder axial wirksamen Verzahnung verbunden ist.The invention relates to a locking of a rotatable part, with the rotatable part rotatably a gear is connected to a frontal and / or axially effective toothing.

Insbesondere in Anordnungen in denen zwei gegeneinander verdrehbare Teile exakt zueinander ausgerichtet werden müssen besteht eine denkbare Möglichkeit zur Verriegelung darin, in ein mit dem verdrehbaren Teil verbundenes Stirnrad zwei jeweils mit separatem Drehantrieb verbundene Zahnräder eingreifen zu lassen, die das Stirnrad in der Verriegelungsposition verspannen.In particular, in arrangements in which two mutually rotatable parts must be aligned exactly with each other there is a conceivable possibility for locking is to engage in a connected to the rotatable part spur gear each connected to separate rotary drive gears, which clamp the spur gear in the locking position.

Ferner ist aus der US 2494 754 A eine Verriegelung für Autotüren bekannt. Der Verriegelungsmechanismus umfasst ein an der Tür verschieblich gelagertes Zahnsegment, das in ein fahrzeugfest gelagertes Zahnrad mit Evolventenverzahnung eingreift, um die Tür zu verriegeln. Das Zahnrad kann bis in die Verriegelungsposition der Tür drehen und wird dort durch Kupplungsrollen gegen eine Rückdrehung gesperrt.Furthermore, from the US 2,494,754 A a lock for car doors known. The locking mechanism comprises a toothed segment displaceably mounted on the door, which engages in a vehicle-mounted gear with involute toothing to lock the door. The gear can rotate to the locking position of the door and is locked there by coupling rollers against reverse rotation.

Die erste denkbare Lösung ist recht aufwendig und daher teuer, während die Türverriegelung für eine lagegenaue Ausrichtung von insbesondere zwei gegeneinander verdrehbaren Teilen nicht geeignet ist.The first conceivable solution is quite complex and therefore expensive, while the door lock is not suitable for a positionally accurate alignment of particular two mutually rotatable parts.

Die GB 03516 A offenbart eine Verriegelung eines verdrehbaren Teils, wobei mit einem verdrehbaren Teil drehfest eine Scheibe mit stirnseitig an der Scheibe über deren Umfang angeordneten, rechteckigen Einschnitten verbunden ist.The GB 03516A discloses a locking of a rotatable part, wherein rotatably connected to a rotatable disc a disc with the front side of the disc arranged on the circumference, rectangular cuts.

Am Umfang der Scheibe ist ein hin und her beweglicher Hebel mit einem rechteckigen Endstück angeordnet, das in die stirnseitig wirksamen rechteckigen Einschnitte zum Zweck der Verriegelung der Scheibe in Eingriff bringbar ist. Um die Scheibe in einer anderen Drehlage auf der Welle zu arretieren ist auf der Welle zusätzlich eine Ratsche angeordnet, an deren Hebel sich eine Sperrklinke mit einer Spitze befindet. Die Spitze der Sperrklinke greift zum Verdrehen der Scheibe zeitweilig mit Spiel in die rechteckigen Einschnitte der Scheibe ein. Das Spiel ist erforderlich, um das rechteckige Endstück zum Verdrehen der Scheibe zeitweilig außer Eingriff zu bringen.At the periphery of the disc, a reciprocating lever with a rectangular end piece is arranged, which is engageable in the frontally effective rectangular notches for the purpose of locking the disc in engagement. In order to lock the disc in another rotational position on the shaft, a ratchet is additionally arranged on the shaft, on whose lever a pawl with a tip is located. The tip of the pawl intervenes to rotate the disc temporarily with play in the rectangular cuts of the disc. The clearance is required to temporarily disengage the rectangular tail to rotate the disc.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zu Grunde, eine konstruktiv einfache lagegenaue mechanische Verriegelung eines verdrehbaren Teils zu schaffen, bei der die Anzahl der Arretierungspositionen erhöht ist.Based on this prior art, the invention is based on the object to provide a structurally simple positionally accurate mechanical locking a rotatable member, wherein the number of locking positions is increased.

Diese Aufgabe wird dadurch gelöst, dass
über den Umfang des Zahnrades mehrere in Richtung der Drehachse und/oder parallel zur Drehachse des Zahnrades hin- und her bewegliche Zahnsegmente angeordnet sind,

  • wobei die Zähne bzw. Zahnlücken von jedem Zahnsegment und dem Zahnrad spielfrei in Eingriff bringbar sind und
  • wobei bezogen auf ein erstes in Eingriff bringbares Zahnsegment sämtliche weiteren, in Eingriff bringbaren Zahnsegmente jeweils um einen verschiedenen Bruchteil der Teilung von Zahnrad und Zahnsegment versetzt zu dem ersten Zahnsegment angeordnet sind.
This object is achieved in that
a plurality of tooth segments movable in the direction of the axis of rotation and / or parallel to the axis of rotation of the toothed wheel are arranged over the circumference of the toothed wheel,
  • wherein the teeth or tooth gaps of each toothed segment and the gear can be brought into play and engage
  • wherein, based on a first engageable toothed segment, all other engageable toothed segments are each offset by a different fraction of the pitch of the toothed wheel and toothed segment from the first toothed segment.

Mit dem verdrehbaren Teil, z.B. einer Welle einer Stanzvorrichtung, ist drehfest ein Zahnrad mit einer stirnseitigen und/oder axial wirksamen Verzahnung verbunden. Über den Umfang des Zahnrades sind mehrere in Richtung der Drehachse und/oder parallel zur Drehachse des Zahnrades hin- und her bewegliche Zahnsegmente angeordnet, wobei die Zähne bzw. Zahnlücken von jedem Zahnsegment und Zahnrad spielfrei in Eingriff bringbar sind.With the rotatable part, e.g. a shaft of a punching device, a gear is rotatably connected to a frontal and / or axially effective teeth. About the circumference of the gear more in the direction of the axis of rotation and / or parallel to the axis of rotation of the gear back and forth movable tooth segments are arranged, wherein the teeth or tooth gaps of each toothed segment and gear can be brought into play.

Um die Anzahl der Arretierungspositionen zu erhöhen sind über den Umfang des Zahnrades mehrere derartige Zahnsegmente angeordnet. Bezogen auf ein erstes in Eingriff bringbares Zahnsegment sind sämtliche weiteren in Eingriff bringbaren Zahnsegmente um einen unterschiedlichen Bruchteil der Teilung von Zahnrad bzw. Zahnsegment versetzt zu dem ersten in Eingriff bringbaren Zahnsegment angeordnet. Die Teilung des Zahnrades bzw. Zahnsegmentes bezeichnet den Abstand von einer Zahnflanke zur nächsten.In order to increase the number of locking positions a plurality of such tooth segments are arranged over the circumference of the gear. Relative to a first engageable toothed segment, all further engageable toothed segments are offset by a different fraction of the pitch of the toothed segment from the first engageable toothed segment. The pitch of the gear or toothed segment denotes the distance from one tooth flank to the next.

Jedes Zahnsegment erlaubt die Arretierung des Zahnrades und damit des verdrehbaren Teiles in einer der zähnezahl des Zahnrades entsprechenden Anzahl von Arretierungspositionen, wobei die versetzte Anordnung der einzelnen Zahnsegmente beispielsweise auf der Hälfte der Zahnteilung auf einem Viertel sowie einem Achtel der Zahnteilung erfolgt; damit ist eine Arretierung des drehbaren Teils in einer Vielzahl von Drehpositionen möglich.Each sector gear allows the locking of the gear and thus of the rotatable member in one of the number of teeth of the gear corresponding number of locking positions, wherein the staggered arrangement of the individual tooth segments, for example, on the half of the tooth pitch on a quarter and an eighth of the tooth pitch occurs; Thus, a locking of the rotatable member in a variety of rotational positions is possible.

Aufgrund eines flächigen Eingriffs der Zähne jedes Zahnsegmentes in die Zahnlücken des Zahnrades und umgekehrt ist die Arretierung im technischen Sinne spielfrei und damit lagegenau. Vorzugsweise berühren sich die Zahnflanken im Eingriffsbereich vollflächig. Das bei linienförmiger Berührung von Zahnflanken üblicherweise entstehende Spiel wird vermieden.Due to a two-dimensional engagement of the teeth of each toothed segment in the tooth gaps of the gear and vice versa, the lock is in the technical sense backlash and thus accurate position. Preferably, the tooth flanks touch each other in the engagement area over the entire surface. The usually resulting in linear contact of tooth flanks game is avoided.

Die axial wirksame Verzahnung ist vorzugsweise eine Kronradverzahnung. Kronräder sind Zahnräder, deren Lauffläche in der Radfläche liegt.The axially effective toothing is preferably a crown gear. Crown wheels are gears whose running surface lies in the wheel surface.

Die Hin- und Herbewegung der einzelnen Zahnsegmente erfolgt jeweils mittels Linearantrieben. Es kommen sämtliche Antriebssysteme in Betracht, die zu einer translatorischen Bewegung des Zahnsegmentes in gerader Linie oder entlang eines anderen vorgegebenen Verlaufs führen. Vorzugsweise sind die Linearantriebe Hydraulik- oder Pneumatikzylinder, deren Antriebssteuerung auf die Steuerung des Drehantriebs für das verdrehbare Teil abgestimmt ist, um das Eingreifen des Zahnsegmentes in den vorgesehenen Arretierungspositionen des Zahnrades zu bewirken.The reciprocating motion of the individual tooth segments takes place in each case by means of linear drives. There are all drive systems into consideration, which lead to a translational movement of the toothed segment in a straight line or along another predetermined course. Preferably, the linear actuators are hydraulic or pneumatic cylinders, whose drive control is tuned to the control of the rotary drive for the rotatable member to cause the engagement of the toothed segment in the intended locking positions of the gear.

Um die Anzahl der Arretierungspositionen weiter zu erhöhen ist es darüber hinaus möglich, dass mehrere in die stirnseitige Verzahnung in Eingriff bringbare Zahnsegmente in Achsrichtung der Drehachse des Zahnrades nebeneinander und über den Umfang des Zahnrades um einen Bruchteil der Teilung zueinander versetzt angeordnet sind. In diesem Fall muss die stirnseitige Verzahnung des Zahnrades eine hinreichende Breite aufweisen, damit die parallel zueinander angeordneten Zahnsegmente sämtlich in das Zahnrad eingreifen können. Alternativ ist es jedoch auch möglich, die in Achsrichtung nebeneinander angeordneten Zahnsegmente durch Verschiebung des Zahnsegmentpakets in Achsrichtung dadurch zur Wirkung zu bringen, dass das jeweils in Eingriff zu bringende Zahnsegment mit der Stirnradverzahnung des Zahnrades fluchtet.In order to further increase the number of locking positions, it is also possible that a plurality of toothed segments engageable in the frontal toothing in the axial direction of the axis of rotation of the gear are arranged side by side and offset over the circumference of the gear by a fraction of the pitch to each other. In this case, the frontal toothing of the gear must have a sufficient width so that the mutually parallel toothed segments can all engage in the gear. Alternatively, however, it is also possible to bring the axially juxtaposed tooth segments by displacement of the toothed segment package in the axial direction by the effect that the respectively engageable toothed segment is aligned with the spur gear teeth of the gear.

Alternativ oder zusätzlich können Zahnsegmente aus einem Paket von nebeneinander angeordneten Zahnsegmenten parallel zur Richtung der Drehachse des Zahnrades achsverschieblich und über den Umfang des Zahnrades um einen Bruchteil der Teilung zueinander versetzt ausgeführt sein und z.B. von oben in die Kronradverzahnung auf der Radfläche des Zahnrades eingreifen. In diesem Fall kann es sich empfehlen, in jeder Arretierungsposition zeitgleich zwei Zahnsegmente in der Kronradverzahnung zum Eingriff zu bringen, wobei die beiden Zahnsegmente um 180 Grad über den Umfang versetzt zueinander angeordnet sind. Hierdurch werden durch das Einsetzen des Zahnsegmentes auf das Zahnrad ausgeübte Drehmomente optimal kompensiert.Alternatively or additionally, tooth segments from a package of juxtaposed tooth segments parallel to the direction of the axis of rotation of the gear can be made axially displaceable and over the circumference of the gear to a fraction of the pitch offset from each other and, for example, from above engage in the crown gear on the wheel surface of the gear. In this case, it may be advisable to bring in each locking position at the same time two toothed segments in the crown wheel toothing for engagement, wherein the two toothed segments are arranged offset by 180 degrees over the circumference to each other. As a result, torques exerted on the toothed wheel by the insertion of the toothed segment are optimally compensated.

Wenn jedes Zahnsegment in Umfangsrichtung um die Drehachse des Zahnrades verstellbar ist, kann die Arretierposition weitgehend frei bestimmt werden; des weiterem lässt sich der Versatz zwischen mehreren Zahnsegmenten einstellen. Die Verstellung des Zahnrades schließt eine Festlegung in der gewählten Position ein.If each sector gear is adjustable in the circumferential direction about the axis of rotation of the gear, the locking position can be determined largely freely; Furthermore, the offset between several toothed segments can be adjusted. The adjustment of the gear includes a determination in the selected position.

Nachfolgend wird die Erfindung anhand eines in Figur 1 dargestellten Ausführungsbeispiels näher erläutert:Hereinafter, the invention will be described with reference to an in FIG. 1 illustrated embodiment explained in more detail:

Die Verriegelung 1 eines verdrehbaren Teils, beispielsweise einer Welle 2 einer Stanzvorrichtung mit verdrehbarem Stempel und verdrehbarer Matrize, ist drehfest mit einem Zahnrad 3 verbunden, das eine stirnseitige Verzahnung 4 aufweist.The lock 1 of a rotatable part, for example a shaft 2 of a punching device with a rotatable punch and a rotatable die, is rotatably connected to a gear 3, which has an end-face toothing 4.

Über den Umfang des Zahnrades 3 sind im Beispiel sechs in Richtung der Drehachse der Welle 2 hin- und her bewegliche Zahnsegmente 5 a-f angeordnet, von denen lediglich die Zahnsegmente 5a -c vollständig dargestellt sind. Die Zähne bzw. Zahnlücken von Zahnsegment 5 und Zahnrad 3 berühren sich bei Eingriff jedes Zahnsegmentes vollflächig, wie dies anhand des ersten, in Eingriff befindlichen Zahnsegmentes 5a erkennbar ist. Hierdurch wird die Welle 2 spielfrei in der in Figur 1 dargestellten ersten Arretierungsposition verriegelt.About the circumference of the gear 3 six in the direction of the axis of rotation of the shaft 2 back and forth movable tooth segments 5 af are arranged, of which only the toothed segments 5a-c are completely shown in the example. The teeth or tooth gaps of toothed segment 5 and gear 3 touch each other when engaging each toothed segment over the entire surface, as can be seen from the first engaged toothed segment 5a. As a result, the shaft 2 is free of play in the in FIG. 1 locked illustrated first locking position.

Die über den Umfang des Zahnrades 3 im Uhrzeigersinn angeordneten weiteren Zahnsegmente 5 b - 5 f sind bezogen auf das erste in der Figur 1 in Eingriff befindliche zahnsegment 5a jeweils um einen verschieden Bruchteil 6 b - 6 f der Teilung 7 von Zahnrad bzw. Zahnsegment versetzt zu dem ersten Zahnsegment 5 a angeordnet.The arranged over the circumference of the gear 3 in a clockwise direction further tooth segments 5 b - 5 f are based on the first in the FIG. 1 in engagement toothed segment 5a each by a different fraction 6 b - 6 f of the pitch 7 of gear or toothed segment offset from the first toothed segment 5 a arranged.

Die Hin- und Herbewegung 8 der einzelnen Zahnsegmente 5a - 5f erfolgt beispielsweise mittels nicht dargestellter Hydraulikzylinder.The reciprocating movement 8 of the individual tooth segments 5a-5f takes place, for example, by means of hydraulic cylinders (not shown).

Jedes Zahnsegment 5a - 5f erlaubt die Arretierung des Zahnrades 3 und damit des verdrehbaren Teiles 2 in einer der Zähnezahl des Zahnrades entsprechenden Anzahl von Positionen, wobei die versetzte Anordnung der einzelnen Zahnsegmente 5a - 5f die Anzahl der Arretierungspositionen erhöht, und zwar jedes versetzte Zahnsegment 5a - 5f um die Anzahl der 60 er Grundteilung des Zahnrades 3.Each toothed segment 5a-5f allows the locking of the gear 3 and thus of the rotatable part 2 in a number of positions corresponding to the number of teeth of the gear, wherein the staggered arrangement of the individual tooth segments 5a-5f increases the number of locking positions, each offset toothed segment 5a - 5f to the number of 60 he basic division of the gear 3.

Bei dem dargestellten Ausführungsbeispiel kann teilungsbedingt stets nur eines der Zahnsegmente 5a - 5f in Eingriff gebracht werden.In the illustrated embodiment may be due to the division always only one of the toothed segments 5a - 5f are brought into engagement.

Insbesondere bei Eingriff der Zahnsegmente in eine Kronverzahnung, d.h. parallel zur Längsachse der in der Bildebene senkrecht verlaufenden Welle 2, ist es jedoch zweckmäßig, zwei gegenüberliegend angeordnete Zahnsegmente gleichzeitig in Eingriff zu bringen, die dann selbstverständlich keine teilungsversetzte Anordnung aufweisen dürfen.In particular, upon engagement of the toothed segments in a crown toothing, i. parallel to the longitudinal axis of the plane perpendicular in the image plane wave 2, however, it is expedient to bring two oppositely arranged tooth segments simultaneously engaged, which must then of course have no pitched arrangement.

Claims (11)

  1. A locking system of a rotatable part (2), wherein a gear wheel (3) having a front-side and/or axially active tooth system (4) is connected to the rotatable part in a torque-proof manner, characterised in that
    a plurality of toothed segments (5a-5f) which are movable to and fro in the direction of the axis of rotation and/or parallel to the axis of rotation of the gear wheel are arranged over the circumference of the gear wheel (3),
    - wherein the teeth or tooth spaces of each toothed segment (5a-5f) and the gear wheel (3) can be brought into engagement without play and
    - wherein in relation to a first toothed segment (5a) which can be brought into engagement, all the other toothed segments (5b-5f) which can be brought into engagement are each arranged offset by a different fraction of the pitch (7) of gear wheel (3) and toothed segment with respect to the first toothed segment (5a).
  2. The locking system according to claim 1, characterised in that the tooth flanks of toothed segment (5a-5f) and gear wheel (3) contact each other two-dimensionally.
  3. The locking system according to claim 1 or 2, characterised in that the teeth or teeth spaces of each toothed segment (5a-5f) arranged so that it can move to and fro in the direction of the axis of rotation of the gear wheel can be brought into engagement with the front-side active tooth system (4) of the gear wheel (3) without play.
  4. The locking system according to any one of claims 1 to 3, characterised in that the teeth or teeth spaces of each toothed segment arranged so that it can move to and fro parallel to the axis of rotation of the gear wheel can be brought into engagement with the axially active tooth system (4) of the gear wheel (3) without play.
  5. The locking system according to any one of claims 1 to 4, characterised in that the axially active tooth system (4) is a crown gear tooth system.
  6. The locking system according to any one of claims 1 to 5, characterised in that the to and fro movement (8) of the ind-vidual toothed segments (5a-5f) is accomplished by means of linear drives.
  7. The locking system according to claim 6, characterised in that each linear drive is a hydraulic or pneumatic cylinder.
  8. The locking system according to any one of claims 1 to 7, characterised in that a plurality of toothed segments (5) which can be brought into engagement in the front-side tooth system (4) are arranged adjacent to one another in the axial direction of the axis of rotation of the gear wheel (3) and over the circumference of the gear wheel (3) offset to one another by a fraction of the pitch.
  9. The locking system according to any one of claims 1 to 8, characterised in that a plurality of toothed segments (5) which can be brought into engagement in the axially active tooth system are arranged adjacent to one another parallel to the axis of rotation of the gear wheel (3) and over the circumference of the gear wheel (3) offset to one another by a fraction of the pitch.
  10. The locking system according to any one of claims 1 to 9, characterised in that two toothed segments (5) which are arranged opposite to one another without any pitch offset can be brought into engagement.
  11. The locking system according to any one of claims 1 to 10, characterised in that each toothed segment (5) is arranged adjustably about the axis of rotation of the gear wheel (3) in the circumferential direction.
EP20090779946 2008-07-29 2009-06-25 Locking system for a rotatable part Active EP2268428B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09779946T PL2268428T3 (en) 2008-07-29 2009-06-25 Locking system for a rotatable part

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008035395A DE102008035395A1 (en) 2008-07-29 2008-07-29 Locking a rotatable part
PCT/EP2009/057965 WO2010012546A1 (en) 2008-07-29 2009-06-25 Locking system for a rotatable part

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EP2268428A1 EP2268428A1 (en) 2011-01-05
EP2268428B1 true EP2268428B1 (en) 2011-09-28

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US (1) US8899638B2 (en)
EP (1) EP2268428B1 (en)
JP (1) JP2011529559A (en)
AT (1) ATE526097T1 (en)
DE (1) DE102008035395A1 (en)
ES (1) ES2370769T3 (en)
PL (1) PL2268428T3 (en)
WO (1) WO2010012546A1 (en)

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DK177578B1 (en) * 2011-09-02 2013-10-28 Envision Energy Denmark Aps Pitch lock system
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DE102008035395A1 (en) 2010-02-04
PL2268428T3 (en) 2012-02-29
US8899638B2 (en) 2014-12-02
US20110132119A1 (en) 2011-06-09
ATE526097T1 (en) 2011-10-15
JP2011529559A (en) 2011-12-08
WO2010012546A1 (en) 2010-02-04
ES2370769T3 (en) 2011-12-22
EP2268428A1 (en) 2011-01-05

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