EP1279789A1 - Separating device for a drive unit - Google Patents
Separating device for a drive unit Download PDFInfo
- Publication number
- EP1279789A1 EP1279789A1 EP02016367A EP02016367A EP1279789A1 EP 1279789 A1 EP1279789 A1 EP 1279789A1 EP 02016367 A EP02016367 A EP 02016367A EP 02016367 A EP02016367 A EP 02016367A EP 1279789 A1 EP1279789 A1 EP 1279789A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking member
- separating device
- locking
- component
- coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims abstract description 60
- 238000010168 coupling process Methods 0.000 claims abstract description 60
- 238000005859 coupling reaction Methods 0.000 claims abstract description 60
- 230000033001 locomotion Effects 0.000 claims description 23
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
- E05D13/003—Anti-dropping devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/214—Disengaging means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/23—Actuation thereof
- E05Y2201/244—Actuation thereof by manual operation
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/30—Electronic control of motors
- E05Y2400/3013—Electronic control of motors during manual wing operation
- E05Y2400/3017—Safety means therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
Definitions
- the invention relates to a separating device for a drive device which can be coupled to a movable component, such as a door leaf which can be moved overhead, with a between a coupling position in which it couples an output element of the drive device to the component, and a freewheeling position in which the output element of the Component is uncoupled, adjustable coupling element and a movable locking member, one with such a separating device, between at least one release position in which it releases an adjustment of the coupling element into the freewheeling position, and at least one locking position in which it counteracts an adjustment of the coupling element in the freewheeling position equipped drive device and a gate with such a drive device.
- a separating device for a drive device which can be coupled to a movable component, such as a door leaf which can be moved overhead, with a between a coupling position in which it couples an output element of the drive device to the component, and a freewheeling position in which the output element of the Component is uncoupled, adjustable coupling element
- Separating devices of the type described in the introduction are used in particular when operating electrically driven overhead door leaves of garage doors or hall doors.
- Drive devices for factory or hall gates with particularly large and heavy door leaves generally consist of an electric motor and a strongly reducing gear which controls the movement of heavy door leaves with comparatively low-performance electric motors. If the electric motor is unable to function due to a power failure or a defect, the door leaf generally has to be decoupled from the drive device in order to enable the door leaf to move quickly between its closed position and the open position with little effort, because the gear arranged between the electric motor and the door leaf is generally one of these Movement has strong self-locking.
- the drive device is coupled to the door leaf or a drive shaft for the door leaf via a coupling element which is adjustable between the clutch position and the freewheel position.
- a coupling element which is adjustable between the clutch position and the freewheel position.
- it must be ensured that the door leaf does not immediately fall into the closed position when the coupling element is moved into the freewheeling position and thereby injures the user.
- conventional separating devices of the type described at the outset in EP 0 565 061 B1 are equipped with a locking member which counteracts an adjustment of the coupling element into the freewheeling position and enables this adjustment only in a predetermined release position.
- the locking member is formed in the form of a lever rotatably mounted about a predetermined axis, which engages in the locking position in a circumferential groove of an actuating bolt for the coupling element and thus prevents an adjustment of this coupling element in the freewheeling position.
- the locking member is actuated by an adjusting member of a path simulator coupled to the drive device, which, driven in synchronism with the movement of the door leaf, reproduces a position image of the door leaf projected onto a small space. The locking member is actuated from the locking position into the release position each time the adjusting member reaches its position corresponding to the closed position of the door leaf.
- the path simulator of the known device comprises a spindle coupled to the drive device, in the thread of which a slide, secured against rotation and guided along the spindle axis, engages with a nut thread.
- This slide forms the adjustment element of the route simulator, with which the locking element is actuated when the door leaf reaches the closed position.
- the carriage comprises a driver formed in the manner of a leaf spring, which engages the locking member when the door leaf reaches the closed position.
- the coupling element can only be adjusted into the freewheeling position in the closed position of the door leaf, in which it rests on the floor of the space to be locked thereby, while an adjustment of the coupling element is otherwise prevented by means of the locking member.
- the object of the invention is to provide a separating device of the type described at the outset, with which an adjustment of the coupling element when the component coupled to a drive device has been reached can still be reliably achieved even after long operating times.
- this object is achieved by a development of the known separating device, which is essentially characterized in that the locking member itself can be coupled to the drive device.
- This invention is based on the knowledge that the problems observed in the prior art are primarily due to the fact that the actuation of the locking member via an adjusting element coupled to the drive device is particularly susceptible to failure, because the contact surfaces of the actuating system which come into contact with one another during this actuation Adjustment member and the locking member show signs of wear after longer operating times, which lead to the fact that the locking member is no longer reliably operated for the release of the separation process.
- This wear process is particularly favored in the known devices in that the contact surfaces of the adjusting member on the one hand and the locking member on the other hand come into abutment with each movement of the door leaf into the closed position.
- This defect is eliminated in the separating device according to the invention in that the locking member itself is coupled to the drive device and therefore automatically comes into the release position without the interposition of a path simulator during the movement of the component, without there being any contact between the locking member and another of the Drive device driven component that needs to leads to the signs of wear described above. It is particularly advantageous that an increased operational reliability compared to the known separating devices is achieved while at the same time simplifying the construction of the separating device, this simplification being achieved essentially by the fact that the distance simulator required in the known separating devices is no longer used in the separating device according to the invention is required.
- the locking member is expediently coupled to the drive device in such a way that when the component reaches a predetermined position, such as when the door leaf reaches the closed position, it automatically reaches the release position.
- the locking member can also be designed so that it reaches this release position with more than just one position of the component, for example, even when a component designed as a door leaf reaches its opening position arranged overhead, from which it also due to its horizontal orientation when separated from the drive device cannot fall into the closed position without external influence.
- the locking member is designed so that it does not lose the properties just described even after the coupling element has been moved into the freewheeling position, that is to say, even if the drive device is temporarily separated from the door leaf only in the predetermined positions of the component, such as when the closed position and the position are reached Opening position of an overhead door leaf that has reached the release position.
- This can be achieved in a particularly simple manner in that the locking member can also be coupled to the driven element via the coupling element, so that it is automatically carried along even after the coupling element has been moved into the freewheeling position if the component is moved manually.
- the blocking element can expediently be coupled to the output element via a control shaft that can be used to control the drive device.
- a control shaft can be used to control the drive device if it is connected to a suitable control element, such as a rotary potentiometer.
- the output element is usually not coupled directly to the component, but to a rotatably mounted drive shaft for the component.
- this drive shaft can comprise a cable drum for a traction means fixed to the component, such as a wire rope, which is brought about by the drive device Rotary movement of the drive shaft is wound onto the cable drum and pulls the door leaf from the closed position into the open position.
- a reduction gear of this type can be realized particularly simply in that the control shaft is equipped with a toothed wheel or worm wheel which meshes with a web which rotates helically around the drive shaft. In this way it can be achieved that ten or more complete rotations of the drive shaft are required to effect one complete rotation of the control shaft.
- a transmission of motion from the drive shaft to the locking element that is independent of the reduction ratio of the transmission of the rotary movement from the drive shaft to the control shaft can be achieved if the locking element is coupled to the control shaft via a locking element shaft that preferably has a spur gear that meshes with the gear or worm gear.
- the locking member is expediently rotatable about a predetermined axis of rotation, such as the longitudinal axis of the locking member shaft, and is fixedly connected to the locking member shaft.
- the assembly of a separating device according to the invention can be simplified in that the locking member can be rotated with respect to the locking member shaft and can be coupled in a rotationally fixed manner to the locking member shaft in any rotational position.
- the component can be transferred to the position in which an adjustment of the coupling element to the freewheeling position should be possible and in this position the locking member is aligned with respect to the locking member shaft and then locked in such a way that it is in the release position located.
- the locking member is moved at least in sections approximately synchronously with the component, such that the position of the locking member is at least along a portion of the movement path of the component, preferably in every phase of the movement of the component that can be clearly assigned to that of the component.
- the locking member is expediently rotatable about a predetermined axis, such as the axis of rotation of the locking member shaft.
- Locking element of the separating device according to the invention can prevent an unwanted adjustment of the coupling element particularly reliably if the coupling element is associated with a locking element which interacts with the locking element in its locking position and an adjustment of the coupling element into the freewheeling position.
- the locking member can have a groove running approximately radially to the locking member shaft and the locking element can have a preferably pin-shaped projection that can be inserted into this groove in the release position of the locking member, which protrudes against an outer boundary surface of the preferably disk-shaped locking member in a position of the locking member that differs from the release position counteracts an adjustment of the coupling element.
- the coupling element can also be adjusted in this position only against a biasing force into the freewheeling position. This can be achieved particularly easily if the groove bottom rises in a ramp shape and the pin can be adjusted against the pretensioning force of a pretensioning device in a direction running perpendicular to the groove bottom, so that insertion of the pin into the groove when the pin is in contact with the groove bottom only against the pretensioning force of Preload device is possible.
- the locking element is expediently arranged on an actuating device serving to adjust the coupling element, such as, for example, on a pivotably mounted actuating lever.
- a separating device can be made particularly compact if the drive element has a worm wheel that meshes with a worm of a transmission of the drive device and rotates the drive shaft, and the coupling element has an axially displaceable and in the coupling position a positive connection between the worm wheel and the drive shaft, which comprises a coupling ring, which is arranged in the coupling position between the worm wheel and the drive shaft.
- the actuating device can have at least one driver engaging in a groove running around the coupling ring.
- the locking member is expediently mounted in a drive device for a door leaf that can be moved overhead, such that it is only in the release position in the closed position and / or the open position of the door leaf.
- FIG. 1 shows the output element of a drive device according to the invention, which is in the form of a worm wheel 10 and which meshes with a worm 12 (cf. FIG. 2) of the transmission of this drive device.
- the worm wheel 10 runs around a drive shaft which extends coaxially therewith for the component which is formed, for example, in the form of a door leaf which can be moved overhead.
- a cable drum for winding up a traction means attached to the component, such as a wire rope, can be fastened, this traction means being wound onto the cable drum by rotating the drive shaft and thus moving the component or door leaf.
- the worm wheel 10 is positively coupled to the drive shaft via a coupling element 14 formed in the form of a coupling ring running coaxially therewith, so that the rotation of the worm wheel 10 in the coupling position of the coupling element 14 shown in FIG. 1 is transmitted to the drive shaft 20.
- the coupling element 14 is axially displaceable, as indicated by the double arrow 16 in FIG. 1.
- the actuating device 30 essentially comprises an actuating lever 31 which can be pivoted about a pivot axis 32 (cf. FIG. 3) extending perpendicularly to the drive shaft 20, and an extension arm, designated 32 as a whole with respect to the pivot axis 32, on the actuating lever 31.
- the arm 32 has a fork 33 which partially overlaps the coupling element 14 and which is connected to one another opposite ends is equipped with inward driving pin 34. These driver pins 34 are received in a groove 18 encircling the coupling element 14.
- the device shown in the drawing is equipped with a locking member 40.
- This locking member 40 comprises a locking member shaft 42 which extends approximately parallel to the pivot axis 32 and which carries a locking member disk 44 at its end facing away from the drive shaft 20 (cf. FIG. 1) and is equipped with a spur gear 46 at its end facing the drive shaft 20.
- the spur gear 46 meshes with a toothed wheel 52 which rotates perpendicularly to the control shaft 50 which extends perpendicularly to the plane spanned by the pivot axis 32 and the drive shaft axis.
- This toothed wheel 52 in turn meshes with a web 22 which surrounds the drive shaft 20 in a helical manner Transfer kind of a worm gear on the gear 52 and thus also on the locking member 40.
- the actuating lever 31 has a pin-shaped locking element 36 which extends approximately parallel to the pivot axis 32 and which only in the release position of the locking member disk 44 shown in FIGS Locking member disc 44 provided groove 45 can be inserted. If the locking member disk 44 is rotated in the course of the movement of the component from the release position shown in FIG. 3, the pin-shaped locking element 36 arrives when the Actuating lever 31 in contact with the circumferential surface of the locking member disk 44 and thus prevents the pivoting movement or the displacement of the coupling element 14 from the coupling position shown in FIG. 1 into a freewheeling position.
- the pin-shaped locking element 36 can be displaced against the biasing force of a biasing device in a direction running parallel to the pin axis and, when inserted into the groove 45, bears against the groove bottom thereof.
- the groove bottom of the groove 45 rises in a ramp, so that the locking element can be pivoted only in the release position of the locking member slide 44 against the biasing force of the biasing device, so as to cause an adjustment of the coupling element 14 in the freewheeling position
- the locking member disc 44 is rotatable with respect to the locking member shaft 42 about the locking member shaft axis and can be locked in any of its rotational positions. This simplifies assembly because the component can first be assembled regardless of the rotational position of the locking member disk 44.
- the locking member disc 44 is aligned so that the locking pin 36 can be inserted into the groove 45 and in this position with respect to the locking member shaft 42 locked.
- This locking is maintained in the following, even if the coupling element 14 is moved into the freewheeling position, because the movement of the locking member disk 44 is triggered by the movement of the drive shaft, which can also take place independently of the movement of the drive device.
- the locking member allows the coupling element to be adjusted in more than one position, such as in the closed position of a door leaf and in the open position of a door leaf.
- the locking member disk 44 can have more than one groove 45.
- the locking member has a pin which, in the release position, can engage in a groove provided in the actuating lever 31.
- the locking member can also be coupled to the drive shaft without interposing a control shaft or a gearwheel rotating around this control shaft.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Lock And Its Accessories (AREA)
- Transmission Devices (AREA)
- Gates (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Sink And Installation For Waste Water (AREA)
- Vending Machines For Individual Products (AREA)
- Wing Frames And Configurations (AREA)
Abstract
Description
Die Erfindung betrifft eine Trennvorrichtung für eine an ein bewegbares Bauelement, wie etwa ein über Kopf bewegbares Torblatt, koppelbare Antriebseinrichtung mit einem zwischen einer Kupplungsstellung, in der es ein Abtriebselement der Antriebseinrichtung an das Bauelement kuppelt, und einer Freilaufstellung, in der das Abtriebselement von dem Bauelement entkuppelt ist, verstellbaren Kupplungselement und einem zwischen mindestens einer Freigabestellung, in der es eine Verstellung des Kupplungselementes in die Freilaufstellung freigibt, und mindestens einer Sperrstellung, in der es einer Verstellung des Kupplungselementes in die Freilaufstellung entgegenwirkt, bewegbaren Sperrglied, eine mit einer derartigen Trennvorrichtung ausgestattete Antriebseinrichtung sowie ein Tor mit einer solchen Antriebseinrichtung.The invention relates to a separating device for a drive device which can be coupled to a movable component, such as a door leaf which can be moved overhead, with a between a coupling position in which it couples an output element of the drive device to the component, and a freewheeling position in which the output element of the Component is uncoupled, adjustable coupling element and a movable locking member, one with such a separating device, between at least one release position in which it releases an adjustment of the coupling element into the freewheeling position, and at least one locking position in which it counteracts an adjustment of the coupling element in the freewheeling position equipped drive device and a gate with such a drive device.
Trennvorrichtungen der eingangs beschriebenen Art werden insbesondere beim Betrieb von elektrisch angetriebenen über Kopf bewegbaren Torblättern von Garagentoren oder Hallentoren eingesetzt. Antriebseinrichtungen für Fabrik- oder Hallentore mit besonders großen und schweren Torblättern bestehen im allgemeinen aus einem Elekromotor und einem stark untersetzenden Getriebe, welches die Bewegung schwerer Torblätter mit vergleichsweise leistungsschwachen Elektromotoren ermöglicht. Falls der Elektromotor wegen Stromausfall oder eine Defektes funktionsunfähig ist, muß das Torblatt im allgemeinen von der Antriebseinrichtung entkoppelt werden, um eine rasche Bewegung desTorblattes zwischen dessen Schließstellung und Öffnungsstellung mit geringem Kraftaufwand zu ermöglichen, weil das zwischen Elektromotor und Torblatt angeordnete Getriebe im allgemeinen eine dieser Bewegung entgegenwirkende starke Selbsthemmung aufweist. Aus diesem Grund ist die Antriebseinrichtung über ein zwischen der Kupplungsstellung und der Freilaufstellung verstellbares Kupplungselement an das Torblatt bzw. eine Antriebswelle für das Torblatt gekoppelt. Zum Schutz der Benutzer derartiger Tore muß jedoch sichergestellt werden, daß das Torblatt bei einer Verstellung des Kupplungselementes in die Freilaufstellung nicht sofort in die Schließstellung herfällt und dabei den Benutzer verletzt. Aus diesem Grund sind beispielsweise in der EP 0 565 061 B1 beschriebene herkömmliche Trennvorrichtungen der eingangs beschriebenen Art mit einem Sperrglied ausgestattet, welches einer Verstellung des Kupplungselementes in die Freilaufstellung entgegenwirkt und diese Verstellung nur in einer vorgegebenen Freigabestellung ermöglicht.Separating devices of the type described in the introduction are used in particular when operating electrically driven overhead door leaves of garage doors or hall doors. Drive devices for factory or hall gates with particularly large and heavy door leaves generally consist of an electric motor and a strongly reducing gear which controls the movement of heavy door leaves with comparatively low-performance electric motors. If the electric motor is unable to function due to a power failure or a defect, the door leaf generally has to be decoupled from the drive device in order to enable the door leaf to move quickly between its closed position and the open position with little effort, because the gear arranged between the electric motor and the door leaf is generally one of these Movement has strong self-locking. For this reason, the drive device is coupled to the door leaf or a drive shaft for the door leaf via a coupling element which is adjustable between the clutch position and the freewheel position. To protect the user of such gates, however, it must be ensured that the door leaf does not immediately fall into the closed position when the coupling element is moved into the freewheeling position and thereby injures the user. For this reason, for example, conventional separating devices of the type described at the outset in EP 0 565 061 B1 are equipped with a locking member which counteracts an adjustment of the coupling element into the freewheeling position and enables this adjustment only in a predetermined release position.
Bei der in der genannten Schrift angegebenen Trennvorrichtung ist das Sperrglied in Form eines um eine vorgegebene Achse verdrehbar gelagerten Hebels gebildet, welcher in der Sperrstellung in eine umlaufende Nut eines Betätigungsbolzens für das Kupplungselement eingreift und so eine Verstellung dieses Kupplungselementes in die Freilaufstellung verhindert. Bei der bekannten Vorrichtung wird das Sperrglied mit einem Verstellglied eines an die Antriebseinrichtung angekoppelten Streckensimulators betätigt, welches synchron zur Bewegung es Torblattes angetrieben ein auf kleinen Raum projiziertes Stellungsbild des Torblattes wiedergibt. Dabei erfolgt eine Betätigung des Sperrgliedes von der Sperrstellung in die Freigabestellung, jedesmal wenn das Verstellglied seine der Schließstellung des Torblattes entsprechende Stellung erreicht. Der Streckensimulator der bekannten Vorrichtung umfaßt eine an die Antriebseinrichtung angekuppelte Spindel, in deren Gewinde ein gegen Verdrehung gesichert geführter, längs der Spindelachse verschiebbarer Schlitten mit einem Muttergewinde eingreift. Dieser Schlitten bildet das Verstellglied des Streckensimulators, mit dem das Sperrglied bei Erreichen der Schließstellung des Torblattes betätigt wird. Dazu umfaßt der Schlitten einen nach Art einer Blattfeder gebildeten Mitnehmer, welcher bei Erreichen der Schließstellung des Torblattes an dem Sperrglied angreift.In the separating device specified in the cited document, the locking member is formed in the form of a lever rotatably mounted about a predetermined axis, which engages in the locking position in a circumferential groove of an actuating bolt for the coupling element and thus prevents an adjustment of this coupling element in the freewheeling position. In the known device, the locking member is actuated by an adjusting member of a path simulator coupled to the drive device, which, driven in synchronism with the movement of the door leaf, reproduces a position image of the door leaf projected onto a small space. The locking member is actuated from the locking position into the release position each time the adjusting member reaches its position corresponding to the closed position of the door leaf. The path simulator of the known device comprises a spindle coupled to the drive device, in the thread of which a slide, secured against rotation and guided along the spindle axis, engages with a nut thread. This slide forms the adjustment element of the route simulator, with which the locking element is actuated when the door leaf reaches the closed position. For this purpose, the carriage comprises a driver formed in the manner of a leaf spring, which engages the locking member when the door leaf reaches the closed position.
Mit dieser Anordnung kann erreicht werden, daß das Kupplungselement nur in der Schließstellung des Torblattes, in der es auf dem Boden des damit zu verschließenden Raumes ruht, in die Freilaufstellung verstellt werden kann, während eine Verstellung des Kupplungselementes ansonsten mit Hilfe des Sperrgliedes verhindert wird.With this arrangement it can be achieved that the coupling element can only be adjusted into the freewheeling position in the closed position of the door leaf, in which it rests on the floor of the space to be locked thereby, while an adjustment of the coupling element is otherwise prevented by means of the locking member.
Beim Einsatz dieser bekannten ein Sperrglied und einen Streckensimulator aufweisenden Trennvorrichtung hat es sich jedoch gezeigt, daß eine Verstellung des Kupplungselementes in die Freilaufstellung selbst bei Erreichen der Schließstellung des Torblattes insbesondere nach längeren Betriebszeiten des Tores in einigen Fällen nur noch mit hohem Kraftaufwand oder überhaupt nicht mehr möglich ist.When using this known separating device having a locking member and a path simulator, it has been shown, however, that an adjustment of the coupling element into the freewheeling position even when the door leaf has reached the closed position, especially after longer operating times of the door, in some cases only with great effort or not at all is possible.
Angesichts dieser Probleme im Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Trennvorrichtung der eingangs beschriebenen Art bereitzustellen, mit der eine Verstellung des Kupplungselementes bei Erreichen einer vorgegebenen Stellung des an eine Antriebseinrichtung gekoppelten Bauelementes auch nach langen Betriebszeiten noch zuverlässig bewirkt werden kann.In view of these problems in the prior art, the object of the invention is to provide a separating device of the type described at the outset, with which an adjustment of the coupling element when the component coupled to a drive device has been reached can still be reliably achieved even after long operating times.
Erfindungsgemäß wird diese Aufgabe durch eine Weiterbildung der bekannten Trennvorrichtung gelöst, die im wesentlichen dadurch gekennzeichnet ist, daß das Sperrglied selbst an die Antriebseinrichtung koppelbar ist.According to the invention, this object is achieved by a development of the known separating device, which is essentially characterized in that the locking member itself can be coupled to the drive device.
Diese Erfindung geht auf die Erkenntnis zurück, daß die im Stand der Technik beobachteten Probleme in erster Linie darauf zurückzuführen sind, daß die Betätigung des Sperrgliedes über ein an die Antriebseinrichtung gekoppeltes Verstellglied besonders störanfällig ist, weil die bei dieser Betätigung in Anlage aneinander gelangenden Kontaktflächen des Verstellgliedes und des Sperrgliedes nach längeren Betriebszeiten Abnutzungserscheinungen zeigen, welche dazu führen, daß das Sperrglied nicht mehr zuverlässig für die Freigabe des Trennvorganges betätigt wird. Dieser Verschleißvorgang wird bei den bekannten Vorrichtungen insbesondere auch dadurch begünstigt, daß die Kontaktflächen des Verstellgliedes einerseits und des Sperrgliedes andererseits bei jeder Bewegung des Torblattes in die Schließstellung in Anlage aneinander gelangen. Dieser Mangel wird bei der erfindungsgemäßen Trennvorrichtung dadurch beseitigt, daß das Sperrglied selbst an die Antriebseinrichtung gekoppelt wird und deshalb ohne Zwischenschaltung eines Streckensimulators bei der Bewegung des Bauelementes automatisch in die Freigabestellung gelangt, ohne daß es dazu eines Kontaktes zwischen dem Sperrglied und einem weiteren von der Antriebseinrichtung angetriebenen Bauelement bedarf, der zu den oben beschriebenen Verschleißerscheinungen führt. Dabei ist es von besonderem Vorteil, daß eine im Vergleich zu den bekannten Trennvorrichtungen erhöhte Betriebszuverlässigkeit unter gleichzeitiger Vereinfachung der Konstruktkon der Trennvorrichtung erreicht wird, wobei diese Vereinfachung im wesentlichen dadurch erreicht wird, daß der bei den bekannten Trennvorrichtungen notwendige Streckensimulator bei der erfindungsgemäßen Trennvorrichtung nicht mehr erforderlich ist. Zweckmäßigerweise wird das Sperrglied so an die Antriebseinrichtung angekoppelt, daß es bei Erreichen einer vorgegebenen Stellung des Bauelementes, wie etwa bei Erreichen der Schließstellung des Torblattes automatisch in die Freigabestellung gelangt. Dabei kann das Sperrglied auch so ausgeführt sein, daß es bei mehr als nur einer Stellung des Bauelementes in diese Freigabestellung gelangt, beispielsweise auch dann, wenn ein als Torblatt ausgeführtes Bauelement in seine über Kopf angeordnete Öffnungsstellung gelangt, aus der es aufgrund seiner horizontalen Ausrichtung auch bei Trennung von der Antriebseinrichtung nicht ohne Fremdeinwirkung in die Schließstellung herabfallen kann.This invention is based on the knowledge that the problems observed in the prior art are primarily due to the fact that the actuation of the locking member via an adjusting element coupled to the drive device is particularly susceptible to failure, because the contact surfaces of the actuating system which come into contact with one another during this actuation Adjustment member and the locking member show signs of wear after longer operating times, which lead to the fact that the locking member is no longer reliably operated for the release of the separation process. This wear process is particularly favored in the known devices in that the contact surfaces of the adjusting member on the one hand and the locking member on the other hand come into abutment with each movement of the door leaf into the closed position. This defect is eliminated in the separating device according to the invention in that the locking member itself is coupled to the drive device and therefore automatically comes into the release position without the interposition of a path simulator during the movement of the component, without there being any contact between the locking member and another of the Drive device driven component that needs to leads to the signs of wear described above. It is particularly advantageous that an increased operational reliability compared to the known separating devices is achieved while at the same time simplifying the construction of the separating device, this simplification being achieved essentially by the fact that the distance simulator required in the known separating devices is no longer used in the separating device according to the invention is required. The locking member is expediently coupled to the drive device in such a way that when the component reaches a predetermined position, such as when the door leaf reaches the closed position, it automatically reaches the release position. The locking member can also be designed so that it reaches this release position with more than just one position of the component, for example, even when a component designed as a door leaf reaches its opening position arranged overhead, from which it also due to its horizontal orientation when separated from the drive device cannot fall into the closed position without external influence.
Zweckmäßigerweise ist das Sperrglied so ausgeführt, daß es auch nach erfolgter Verstellung des Kupplungselementes in die Freilaufstellung die gerade beschriebenen Eigenschaften nicht verliert, also auch bei zwischenzeitlicher Trennung der Antriebseinrichtung vom Torblatt nur bei den vorgegebenen Stellungen des Bauelementes, wie etwa bei Erreichen der Schließstellung und der Öffnungsstellung eines Überkopf bewegbaren Torblattes, die Freigabestellung erreicht. Das kann besonders einfach dadurch erreicht werden, daß auch das Sperrglied über das Kupplungselernent an das Abtriebselement koppelbar ist, so daß es auch nach Verstellung des Kupplungselementes in die Freilaufstellung automatisch mitgeführt wird, wenn das Bauelement manuell bewegt wird.Advantageously, the locking member is designed so that it does not lose the properties just described even after the coupling element has been moved into the freewheeling position, that is to say, even if the drive device is temporarily separated from the door leaf only in the predetermined positions of the component, such as when the closed position and the position are reached Opening position of an overhead door leaf that has reached the release position. This can be achieved in a particularly simple manner in that the locking member can also be coupled to the driven element via the coupling element, so that it is automatically carried along even after the coupling element has been moved into the freewheeling position if the component is moved manually.
Zweckmäßigerweise ist das Sperrglied über eine zur Steuerung der Antriebseinrichtung einsetzbare Steuerwelle an das Abtriebselement koppelbar. Eine derartige Steuerwelle kann zur Steuerung der Antriebseinrichtung eingesetzt werden, wenn sie mit einem geeigneten Steuerelement, wie etwa einem Drehpotentiometer verbunden ist.The blocking element can expediently be coupled to the output element via a control shaft that can be used to control the drive device. Such a control shaft can be used to control the drive device if it is connected to a suitable control element, such as a rotary potentiometer.
Wie eingangs bereits angesprochen, ist das Abtriebselement üblicherweise nicht unmittelbar an das Bauelement, sondern an eine drehbar gelagerte Antriebswelle für das Bauelement gekoppelt. Bei Einsatz von Bauelementen in Form von Torblättern kann diese Antriebswelle eine Seiltrommel für ein an dem Bauelement festgelegtes Zugmittel, wie etwa ein Drahtseil umfassen, welches im Zuge der mit der Antriebseinrichtung bewirkten Drehbewegung der Antriebswelle auf die Seiltrommel aufgewickelt wird und dabei das Torblatt von der Schließstellung in die Öffnungsstellung zieht.As already mentioned at the beginning, the output element is usually not coupled directly to the component, but to a rotatably mounted drive shaft for the component. When components in the form of door leaves are used, this drive shaft can comprise a cable drum for a traction means fixed to the component, such as a wire rope, which is brought about by the drive device Rotary movement of the drive shaft is wound onto the cable drum and pulls the door leaf from the closed position into the open position.
Da die Antriebswelle im Verlauf einer derartigen Öffnungsbewegung mehrere Umdrehungen um ihre Wellenachse macht, ist es im Sinne einer zuverlässigen Steuerung der Antriebseinrichtung besonders zweckmäßig, wenn die Drehbewegung der Antriebswelle über ein untersetzendes Getriebe auf die Steuerwelle übertragen wird. Ein derartiges untersetzendes Getriebe kann besonders einfach dadurch verwirklicht werden, daß die Steuerwelle mit einem einen die Antriebswelle wendelförmig umlaufenden Steg kämmenden Zahnrad bzw. Schneckenrad ausgestattet wird. Auf diese Weise kann erreicht werden, daß zehn oder mehr vollständige Umdrehungen der Antriebswelle erforderlich sind, um eine vollständige Umdrehung der Steuerwelle zu bewirken. Eine vom Untersetzungsverhältnis der Übertragung der Drehbewegung von der Antriebswelle auf die Steuerwelle unabhängige Bewegungsübertragung von der Antriebswelle auf das Sperrglied, kann erreicht werden, wenn das Sperrglied über eine, vorzugsweise ein das Zahnrad bzw. Schneckenrad kämmendes Stirnrad aufweisende Sperrgliedwelle an die Steuerwelle gekoppelt ist. Dazu ist das Sperrglied zweckmäßigerweise um eine vorgegebene Drehachse, wie etwa die Längsachse der Sperrgliedwelle drehbar gelagert und fest mit der Sperrgliedwelle verbunden.Since the drive shaft makes several revolutions around its shaft axis in the course of such an opening movement, it is particularly expedient in the sense of reliable control of the drive device if the rotary movement of the drive shaft is transmitted to the control shaft via a reduction gear. A reduction gear of this type can be realized particularly simply in that the control shaft is equipped with a toothed wheel or worm wheel which meshes with a web which rotates helically around the drive shaft. In this way it can be achieved that ten or more complete rotations of the drive shaft are required to effect one complete rotation of the control shaft. A transmission of motion from the drive shaft to the locking element that is independent of the reduction ratio of the transmission of the rotary movement from the drive shaft to the control shaft can be achieved if the locking element is coupled to the control shaft via a locking element shaft that preferably has a spur gear that meshes with the gear or worm gear. For this purpose, the locking member is expediently rotatable about a predetermined axis of rotation, such as the longitudinal axis of the locking member shaft, and is fixedly connected to the locking member shaft.
Dabei kann die Montage einer erfindungsgemäßen Trennvorrichtung dadurch vereinfacht werden, daß das Sperrglied bezüglich der Sperrgliedwelle verdrehbar und in jeder Drehstellung drehfest mit der Sperrgliedwelle koppelbar ist. In diesem Fall kann das Bauelement bei der Montage in diejenige Stellung, in der eine Verstellung des Kupplungselementes in die Freilaufstellung möglich sein soll, überführt werden und in dieser Stellung das Sperrglied so bezüglich der Sperrgliedwelle ausgerichtet und anschließend arretiert werden, daß es sich in der Freigabestellung befindet. Im Sinne einer erhöhten Betriebszuverlässigkeit einer erfindungsgemäßen Trennvorrichtung hat es sich als besonders günstig erwiesen, wenn das Sperrglied zumindest abschnittweise etwa synchron zum Bauelement bewegt wird, derart, daß die Stellung des Sperrgliedes zumindest längs eines Abschnittes der Bewegungsbahn des Bauelementes, vorzugsweise in jeder Phase der Bewegung des Bauelementes, derjenigen des Bauelementes eindeutig zugeordnet werden kann.The assembly of a separating device according to the invention can be simplified in that the locking member can be rotated with respect to the locking member shaft and can be coupled in a rotationally fixed manner to the locking member shaft in any rotational position. In this case, the component can be transferred to the position in which an adjustment of the coupling element to the freewheeling position should be possible and in this position the locking member is aligned with respect to the locking member shaft and then locked in such a way that it is in the release position located. In terms of increased operational reliability of a separating device according to the invention, it has proven to be particularly advantageous if the locking member is moved at least in sections approximately synchronously with the component, such that the position of the locking member is at least along a portion of the movement path of the component, preferably in every phase of the movement of the component that can be clearly assigned to that of the component.
Wie vorstehend bereits erläutert, ist das Sperrglied zweckmäßigerweise um eine vorgegebene Achse, wie etwa die Drehachse der Sperrgliedwelle drehbar. Mit Hilfe des Sperrgliedes der erfindungsgemäßen Trennvorrichtung läßt sich eine ungewollte Verstellung des Kupplungselementes besonders zuverlässig verhindern, wenn dem Kupplungselement ein zusammenwirkend mit dem Sperrglied in dessen Sperrstellung einer Verstellung des Kupplungselementes in die Freilaufstellung entgegenwirkendes Riegelelement zugeordnet ist. Dabei kann das Sperrglied eine etwa radial zur Sperrgliedwelle verlaufende Nut und das Riegelelement einen in der Freigabestellung des Sperrgliedes in diese Nut einführbaren vorzugsweise stiftförmigen Vorsprung aufweisen, welcher in einer sich von der Freigabestellung unterscheidenden Stellung des Sperrgliedes an einer äußeren Begrenzungsfläche des vorzugsweise scheibenförmigen Sperrgliedes anliegt und so einer Verstellung des Kupplungselementes entgegenwirkt.As already explained above, the locking member is expediently rotatable about a predetermined axis, such as the axis of rotation of the locking member shaft. With the help of Locking element of the separating device according to the invention can prevent an unwanted adjustment of the coupling element particularly reliably if the coupling element is associated with a locking element which interacts with the locking element in its locking position and an adjustment of the coupling element into the freewheeling position. The locking member can have a groove running approximately radially to the locking member shaft and the locking element can have a preferably pin-shaped projection that can be inserted into this groove in the release position of the locking member, which protrudes against an outer boundary surface of the preferably disk-shaped locking member in a position of the locking member that differs from the release position counteracts an adjustment of the coupling element.
Da auch in der Freigabestellung des Sperrgliedes üblicherweise keine Verstellung des Kupplungselementes gewünscht wird, ist es besonders zweckmäßig, wenn das Kupplungselement auch in dieser Stellung nur gegen eine Vorspannkraft in die Freilaufstellung verstellbar ist. Das kann besonders einfach erreicht werden, wenn der Nutboden rampenförmig ansteigt und der Stift gegen die Vorspannkraft einer Vorspanneinrichtung in einer senkrecht zum Nutboden verlaufenden Richtung verstellbar ist, so daß eine Einführung des Stiftes in die Nut bei Anlage des Stiftes am Nutboden nur gegen die Vorspannkraft der Vorspanneinrichtung möglich ist. Zweckmäßigerweise ist das Riegelelement an einer zum Verstellung des Kupplungselementes dienenden Betätigungseinrichtung, wie etwa an einem schwenkbar gelagerten Betätigungshebel angeordnet. Eine erfindungsgemäße Trennvorrichtung läßt sich besonders kompakt ausführen, wenn das Antriebselement ein eine Schnecke eines Getriebes der Antriebseinrichtung kämmendes und die Antriebswelle umlaufendes Schneckenrad aufweist und das Kupplungselement einen axial verschiebbaren und in der Kupplungsstellung eine formschlüssige Verbindung zwischen dem Schneckenrad und der Antriebswelle bewirkenden Kupplungsring umfaßt, welcher in der Kupplungsstellung zwischen dem Schneckenrad und der Antriebswelle angeordnet ist. Dabei kann die Betätigungseinrichtung mindestens einen in eine den Kupplungsring umlaufende Nut eingreifenden Mitnehmer aufweisen. Wie vorstehend bereits erläutert, ist das Sperrglied bei einer Antriebseinrichtung für ein über Kopf bewegbares Torblatt zweckmäßigerweise so montiert, daß es sich nur in der Schließstellung und/oder der Öffnungsstellung des Torblattes in der Freigabestellung befindet.Since no adjustment of the coupling element is usually desired even in the release position of the locking member, it is particularly expedient if the coupling element can also be adjusted in this position only against a biasing force into the freewheeling position. This can be achieved particularly easily if the groove bottom rises in a ramp shape and the pin can be adjusted against the pretensioning force of a pretensioning device in a direction running perpendicular to the groove bottom, so that insertion of the pin into the groove when the pin is in contact with the groove bottom only against the pretensioning force of Preload device is possible. The locking element is expediently arranged on an actuating device serving to adjust the coupling element, such as, for example, on a pivotably mounted actuating lever. A separating device according to the invention can be made particularly compact if the drive element has a worm wheel that meshes with a worm of a transmission of the drive device and rotates the drive shaft, and the coupling element has an axially displaceable and in the coupling position a positive connection between the worm wheel and the drive shaft, which comprises a coupling ring, which is arranged in the coupling position between the worm wheel and the drive shaft. The actuating device can have at least one driver engaging in a groove running around the coupling ring. As already explained above, the locking member is expediently mounted in a drive device for a door leaf that can be moved overhead, such that it is only in the release position in the closed position and / or the open position of the door leaf.
Nachstehend wird die Erfindung unter Bezugnahme auf die Zeichnung, auf die hinsichtlich aller erfindungswesentlichen und in der Beschreibung nicht weiter hervorgehobenen Einzelheiten ausdrücklich verwiesen wird, erläutert. In der Zeichnung zeigt:
- Fig. 1
- eine Draufsicht auf eine mit einer erfindungsgemäßen Trennvorrichtung ausgestatteten Antriebseinrichtung, in der nur die wesentlichen Bestandteile der Antriebseinrichtung dargestellt sind,
- Fig. 2
- eine perspektivische Darstellung eines die in Fig. 1 dargestellten wesentlichen Bestandteils enthaltenden Gehäuseteils einer erfindungsgemäßen Antriebseinrichtung und
- Fig. 3
- eine weitere perspektivische Darstellung des Gehäuseteils nach Fig. 2.
- Fig. 1
- 2 shows a plan view of a drive device equipped with a separating device according to the invention, in which only the essential components of the drive device are shown,
- Fig. 2
- a perspective view of a housing part containing the essential component shown in Fig. 1 of a drive device according to the invention and
- Fig. 3
- 2 shows a further perspective illustration of the housing part according to FIG. 2.
In Fig. 1 ist das als Schneckenrad 10 verwirklichte Abtriebselement einer erfindungsgemäßen Antriebseinrichtung dargestellt, welches eine Schnecke 12 (vgl. Fig. 2) des Getriebes dieser Antriebseinrichtung kämmt. Das Schneckenrad 10 umläuft eine sich koaxial dazu erstreckende Antriebswelle für das beispielsweise in Form eines über Kopf bewegbaren Torblattes gebildete Bauelement. An dieser Antriebswelle 20 kann beispielsweise eine Seiltrommel zum Aufwickeln eines an das Bauelement befestigten Zugmittels, wie etwa eines Drahtseils befestigt sein, wobei dieses Zugmittel durch Drehen der Antriebswelle auf die Seiltrommel aufgewickelt wird und damit das Bauelement bzw. Torblatt bewegt. Das Schneckenrad 10 ist über einen in Form eines koaxial dazu verlaufenden Kupplungsring gebildetes Kupplungselement 14 formschlüssig an die Antriebswelle gekoppelt, so daß die Drehung des Schneckenrades 10 in der in Fig. 1 dargestellten Kupplungsstellung des Kupplungselementes 14 auf die Antriebswelle 20 übertragen wird. Das Kupplungselement 14 ist axial verschiebbar gelagert, wie in Fig. 1 durch den Doppelpfeil 16 angedeutet.1 shows the output element of a drive device according to the invention, which is in the form of a
Zur Ausführung dieser axialen Verschiebung ist die in Fig. 1 dargestellte Vorrichtung mit einer Betätigungseinrichtung 30 ausgestattet. Die Betätigungseinrichtung 30 umfaßt im wesentlichen einen um eine sich senkrecht zur Antriebswelle 20 erstreckende Schwenkachse 32 (vgl. Fig. 3) verschwenkbaren Betätigungshebel 31 sowie einen bezüglich der Schwenkachse 32 exzentrisch an dem Betätigungshebel 31 befestigten insgesamt mit 32 bezeichneten Ausleger. Der Ausleger 32 weist eine das Kupplungselement 14 teilweise übergreifende Gabel 33 auf, welche an ihren einander entgegengesetzten Enden mit nach innen gerichteten Mitnehmerzapfen 34 ausgestattet ist. Diese Mitnehmerzapfen 34 sind in einer das Kupplungselement 14 umlaufenden Nut 18 aufgenommen. Bei einer Schwenkbewegung des Betätigungshebels 31 erfolgt aufgrund der exzentrischen Ankopplung des Auslegers 32 eine Translationsbewegung der Gabel 33 in den durch den Doppelpfeil 16 bezeichneten Rchtungen, in deren Verlauf das Kupplungselement 14 mit Hilfe der in die umlaufende Nut 18 eingreifenden Mitnehmerzapfen 34 von der in Fig. 1 dargestellten Kupplungsstellung in eine Freilaufstellung verstellt werden kann, in der die Antriebswelle 20 von dem Schneckenrad 10 entkuppelt ist. In dieser Freilaufstellung kann die Antriebswelle 20 bzw. das daran gekuppelte Bauelement bzw. Torblatt unabhängig von dem Schneckenrad 10 und den daran gekoppelten weiteren Elementen der Antriebseinrichtung bewegt werden.To carry out this axial displacement, the device shown in FIG. 1 is equipped with an
Aus Sicherheitsgründen soll die gerade beschriebene Entkopplung allerdings nur in vorgegebenen Stellungen des Bauelementes ausführbar sein. Aus diesem Grund ist die in der Zeichnung dargestellte Vorrichtung mit einem Sperrglied 40 ausgestattet. Dieses Sperrglied 40 umfaßt eine sich etwa parallel zur Schwenkachse 32 erstreckende Sperrgliedwelle 42, welche an ihrem der Antriebswelle 20 abgewandten Ende (vgl. Fig. 1) eine Sperrgliedscheibe 44 trägt und an ihrem der Antriebswelle 20 zugewandten Ende mit einem Stirnrad 46 ausgestattet ist. Das Stirnrad 46 kämmt ein eine sich senkrecht zu der durch die Schwenkachse 32 und die Antriebswellenachse aufgespannte Ebene erstreckende Steuerwelle 50 umlaufendes Zahnrad 52. Dieses Zahnrad 52 wiederum kämmt einen die Antriebswelle 20 wendelförmig umlaufenden Steg 22. Auf diese Weise wird eine Drehbewegung der Antriebswelle 20 nach Art eines Schneckenradgeriebes auf das Zahnrad 52 und damit auch auf das Sperrglied 40 übertragen. Durch die Ankopplung der Steuerwelle 50 an die Antriebswelle 20 über das Zahnrad 52 und den Steg 22 wird erreicht, daß eine Vielzahl von Umdrehungen der Antriebswelle erforderlich sind, um eine vollständige Umdrehung der Steuerwelle 50 bzw. der Sperrgliedwelle 42 zu erzeugen. Daher kann mit dieser Ankopplung erreicht werden, daß die Steuerwelle 50 bzw. die Sperrgliedwelle 42 im Verlauf der Bewegung des Bauelementes längs seiner gesamten Bewegungsbahn nur eine Umdrehung vollendet. Wie besonders deutlich in den Fig. 1 und 3 zu erkennen ist, weist der Betätigungshebel 31 ein sich etwa parallel zur Schwenkachse 32 erstreckendes stiftförmiges Riegelelement 36 auf, welches nur in der in Fig. 1 und 3 dargestellten Freigabestellung der Sperrgliedscheibe 44 in eine in dieser Sperrgliedscheibe 44 vorgesehene Nut 45 einführbar ist. Wenn die Sperrgliedscheibe 44 im Verlauf der Bewegung des Bauelementes aus der in Fig. 3 dargestellten Freigabestellung verdreht wird, gelangt das stiftförmige Riegelelement 36 bei einer Schwenkbewegung des Betätigungshebels 31 in Anlage an die Umfangsfläche der Sperrgliedscheibe 44 und verhindert so die Ausführung der Schwenkbewegung bzw. die Verstellung des Kupplungselementes 14 aus der in Fig. 1 dargestellten Kupplungsstellung in eine Freilaufstellung. Das stiftförmige Riegelelement 36 ist gegen die Vorspannkraft einer Vorspanneinrichtung in einer parallel zur Stiftachse verlaufenden Richtung verschiebbar und liegt bei Einführen in die Nut 45 an deren Nutboden an. Wie in Fig. 3 dargestellt wird, steigt der Nutboden der Nut 45 rampenförmig an, so daß das Riegelelement auch in der Freigabestellung der Sperrgliedschiebe 44 nur gegen die Vorspannkraft der Vorspanneinrichtung verschwenkt werden kann, um so eine Verstellung des Kupplungselementes 14 in die Freilaufstellung zu bewirken. Die Sperrgliedscheibe 44 ist bezüglich der Sperrgliedwelle 42 um die Sperrgliedwellenachse verdrehbar und in jeder ihrer Drehstellungen arretierbar. Dadurch wird eine Montageerleichterung erreicht, weil das Bauelement zunächst ohne Rücksicht auf die Drehstellung der Sperrgliedscheibe 44 montiert werden kann. Erst nach vollständiger Montage wird das Bauelement in die vorgegebene Stellung, z.B. die Schließstellung eines in Form eines Torblattes verwirklichten Bauelementes überführt, dann die Sperrgliedscheibe 44 so ausgerichtet, daß der Riegelstift 36 in die Nut 45 eingeführt werden kann und in dieser Stellung bezüglich der Sperrgliedwelle 42 arretiert.For safety reasons, however, the decoupling just described should only be possible in predetermined positions of the component. For this reason, the device shown in the drawing is equipped with a locking
Diese Arretierung wird im folgenden beibehalten, auch wenn das Kupplungselement 14 in die Freilaufstellung verstellt wird, weil die Bewegung der Sperrgliedscheibe 44 von der Bewegung der Antriebswelle ausgelöst wird, welche auch unabhängig von der Bewegung der Antriebseinrichtung erfolgen kann.This locking is maintained in the following, even if the
Die Erfindung ist nicht auf das anhand der Zeichnung erläuterte Ausführungsbeispiel beschränkt. Vielmehr ist im Rahmen dieser Erfindung auch an die Verwirklichung von Ausführungsformen gedacht, bei denen das Sperrglied in mehr als einer Stellung eine Verstellung des Kupplungselementes erlaubt , wie etwa in der Schließstellung eines Torblattes und in der Öffnungsstellung eines Torblattes. Dazu kann die Sperrgliedscheibe 44 mehr als eine Nut 45 aufweisen. Ferner ist auch an die Verwirklichung von Ausführungsformen gedacht, bei denen das Sperrglied einen Stift aufweist, welcher in der Freigabestellung in eine in dem Betätigungshebel 31 vorgesehene Nut eingreifen kann. Schließlich kann die Ankopplung des Sperrgliedes an die Antriebswelle auch ohne Zwischenschaltung einer Steuerwelle bzw. eines diese Steuerwelle umlaufenden Zahnrades erfolgen.The invention is not limited to the exemplary embodiment explained with reference to the drawing. Rather, within the scope of this invention, it is also contemplated to implement embodiments in which the locking member allows the coupling element to be adjusted in more than one position, such as in the closed position of a door leaf and in the open position of a door leaf. For this purpose, the locking
Claims (17)
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DE20112283U | 2001-07-25 | ||
DE20112283U DE20112283U1 (en) | 2001-07-25 | 2001-07-25 | Separator |
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EP02016367A Revoked EP1279789B1 (en) | 2001-07-25 | 2002-07-25 | Separating device for a drive unit |
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US (1) | US7007427B2 (en) |
EP (1) | EP1279789B1 (en) |
AT (1) | ATE278093T1 (en) |
DE (2) | DE20112283U1 (en) |
ES (1) | ES2199099T3 (en) |
PL (1) | PL204225B1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060237150A1 (en) * | 2005-04-21 | 2006-10-26 | The Chamberlain Group, Inc. | Shaft coupling for barrier movement operators |
US8001725B2 (en) * | 2005-09-30 | 2011-08-23 | The Chamberlain Group, Inc. | Shaft joint |
DE102009007634B4 (en) | 2008-03-12 | 2017-04-27 | Hörmann KG Antriebstechnik | Door drive device, in particular direct drive |
US20120110911A1 (en) * | 2010-11-08 | 2012-05-10 | Liu Heng | Motor mount assembly |
WO2017059229A1 (en) | 2015-10-02 | 2017-04-06 | 3M Innovative Properties Company | Drywall sanding block and method of using |
US10407965B2 (en) | 2016-12-22 | 2019-09-10 | Universal City Studios Llc | Cam locking shotgun gate |
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2001
- 2001-07-25 DE DE20112283U patent/DE20112283U1/en not_active Expired - Lifetime
-
2002
- 2002-07-16 PL PL355070A patent/PL204225B1/en unknown
- 2002-07-24 US US10/202,484 patent/US7007427B2/en not_active Expired - Fee Related
- 2002-07-25 AT AT02016367T patent/ATE278093T1/en not_active IP Right Cessation
- 2002-07-25 ES ES02016367T patent/ES2199099T3/en not_active Expired - Lifetime
- 2002-07-25 DE DE50201144T patent/DE50201144D1/en not_active Revoked
- 2002-07-25 EP EP02016367A patent/EP1279789B1/en not_active Revoked
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US2588028A (en) * | 1950-08-02 | 1952-03-04 | Sterling Electronic Door Contr | Electric overhead door operating device |
EP0565061B1 (en) * | 1992-04-10 | 1997-03-12 | Marantec Antriebs- Und Steuerungstechnik Gmbh & Co., Produktions Kg | Safety unlocking for up and over doors |
EP1028215A2 (en) * | 1999-02-09 | 2000-08-16 | Hörmann KG Antriebstechnik | Safety unlocking device for the disconnection of a controlled up and over door from its drive |
Also Published As
Publication number | Publication date |
---|---|
PL355070A1 (en) | 2003-01-27 |
ATE278093T1 (en) | 2004-10-15 |
DE50201144D1 (en) | 2004-11-04 |
ES2199099T1 (en) | 2004-02-16 |
US20030019157A1 (en) | 2003-01-30 |
ES2199099T3 (en) | 2005-03-16 |
EP1279789B1 (en) | 2004-09-29 |
PL204225B1 (en) | 2009-12-31 |
DE20112283U1 (en) | 2001-10-31 |
US7007427B2 (en) | 2006-03-07 |
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