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EP2078129B1 - Drive unit for entrance and exit systems - Google Patents

Drive unit for entrance and exit systems Download PDF

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Publication number
EP2078129B1
EP2078129B1 EP07820474A EP07820474A EP2078129B1 EP 2078129 B1 EP2078129 B1 EP 2078129B1 EP 07820474 A EP07820474 A EP 07820474A EP 07820474 A EP07820474 A EP 07820474A EP 2078129 B1 EP2078129 B1 EP 2078129B1
Authority
EP
European Patent Office
Prior art keywords
reduction gear
drive unit
unit according
clutch
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP07820474A
Other languages
German (de)
French (fr)
Other versions
EP2078129A1 (en
Inventor
Dirk MÜLLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebrueder Bode GmbH and Co KG
Original Assignee
Gebrueder Bode GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gebrueder Bode GmbH and Co KG filed Critical Gebrueder Bode GmbH and Co KG
Priority to PL07820474T priority Critical patent/PL2078129T3/en
Publication of EP2078129A1 publication Critical patent/EP2078129A1/en
Application granted granted Critical
Publication of EP2078129B1 publication Critical patent/EP2078129B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/02—Door arrangements specially adapted for rail vehicles for carriages
    • B61D19/023—Emergency exits
    • 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
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/614—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by meshing gear wheels, one of which being mounted at the wing pivot axis; operated by a motor acting directly on the wing pivot axis
    • 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
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
    • 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
    • E05Y2201/21—Brakes
    • 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
    • E05Y2201/216—Clutches
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/246—Actuation thereof by auxiliary motors, magnets, springs or weights
    • 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
    • E05Y2201/252—Type of friction
    • E05Y2201/26—Mechanical friction
    • 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
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/266—Type of motion, e.g. braking rotary
    • 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
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/46—Magnets
    • E05Y2201/462—Electromagnets
    • 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
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E05Y2201/72—Planetary gearing
    • 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
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/25—Emergency conditions
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/262—Form or shape column shaped
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/264—Form or shape compact
    • 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
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles
    • 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
    • Y10T74/19614—Disconnecting 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2014—Manually operated selector [e.g., remotely controlled device, lever, push button, rotary dial, etc.]

Definitions

  • the invention relates to a drive device for entry / exit devices, in particular passenger doors, boarding ramps, sliding steps and the like on public transport vehicles with an electric drive motor whose output element is connected to the input element of a first reduction gear, the output element with the actuators for the input / output. Exit devices is coupled.
  • Such drive devices are known per se.
  • a problem encountered with such drive devices is that in an emergency, a passenger door should be opened manually or a Schiebetritt or entry ramp should be manually placed in a certain position, and this is complicated by the fact that the drive device because of the large reduction ratio of the transmission has such strong self-locking that a manual movement is extremely difficult.
  • the invention has the object of providing a drive device with the features specified in the preamble of claim 1 protection form such that in an emergency manual operation is possible without the self-locking of the reduction gear makes this manual operation difficult or impossible.
  • the drive device should be made compact and take up little space.
  • a basic idea of the invention is to divide the total reduction gear into two individual transmissions, which are coupled to one another by a disengageable clutch, wherein the first reduction gear is connected to the drive motor and the second transmission gear is connected to the actuators for the entry / exit device.
  • the reduction ratios of the two reduction gear can then be chosen so that after disengagement of the clutch manual operation against the now reduced self-locking is possible.
  • the reduction ratios of the two reduction gear can be chosen so that the distribution of the overall reduction ratio between the first and second reduction gear through the controllable clutch in the field may be between 2.5: 1 to 0.5: 1.
  • the controllable clutch may be formed as a spring-engaging clutch which is connected to a manually operable emergency release device. It has also proven to be advantageous if a force acting on the output shaft by means of spring force electromagnetically releasable brake is arranged on the electric drive motor. Such brakes are known under the term "low-active brake”.
  • the output element of the second reduction gear may be connected to a lifting rotary unit, a known per se component which is used in particular for exterior swing doors. About the door lift takes place while a positive connection of the door leaf with the door portal via locking wedges.
  • the entire drive device according to the invention is constructed according to the invention as a compact drive, in which the electric drive motor, the first reduction gear, the controllable clutch and the second reduction gear are arranged axially behind one another within a tubular housing.
  • the first reduction gear is connected to the drive motor and the first coupling half together axially by means of spring force of a compression spring with the second coupling half and the second reduction gear.
  • the drive motor with the reduction gear is slidably mounted in a tubular housing.
  • a Bowden cable biases the spring and moves the drive motor, reduction gear and coupling half axially in the outer tube, whereby the power transmission is disconnected at the clutch.
  • the structure of the coupling is very simple and can be realized with significantly fewer components.
  • the outer diameter also remains significantly smaller, since the connection point of the Bowden cable is provided centrally in the housing.
  • the slim design of the drive makes it possible to integrate it visually appealing at any point of the likewise tubular door pivot column.
  • Fig. 1 shows a drive device constructed as a compact drive, for example, for a passenger door, in which an electric drive motor 1, a first reduction gear 2, a controllable clutch 3 and a second reduction gear 4 are arranged within a slender, tubular housing in the axial direction.
  • the output element of the drive motor 1 is connected to the input element of the first reduction gear 2, whose output element 2.1 is connected via the clutch 3 to the input element 4.1 of the second reduction gear 4.
  • the clutch 3 engages under the force of a compression spring 3.1.
  • a coupling element has an operating piece 3.2 to disengage, which is connected via a Bowden cable 5 in a manner not shown with an emergency release device in their manual operation via the Bowden cable 5, the clutch 3 against the force of spring 3.1 disengages.
  • the electric motor 1 is a not shown in detail, known per se, arranged under spring force and electromagnetically releasable brake 6 is arranged.
  • a device 7 is arranged on the output element 4.2 of the second reduction gear 4, by means of which the rotational path of the output shaft formed as output element 4.2 can be detected.
  • This device for rotary path detection can be designed, for example, as an absolute encoder, but also as an incremental encoder.
  • the output shaft 4.2 of the entire drive device is connected in a manner not specifically shown with the actuators, such as a passenger door.
  • electrical connection lines for the drive motor and the electromagnetically releasable brake and the signal line for the device for rotational travel detection are designated as a whole with 8.
  • the electrical lines 8 and the Bowden cable 5 are arranged in channels, which are arranged as projections 9.1 and 9.2 on the housing 9.
  • Fig. 2 shows an embodiment of the drive device, which is constructed in principle the same as the drive device according to Fig. 1 ,
  • Fig. 2 are all parts that follow the individual parts of the embodiment Fig. 1 correspond with the same reference number and an apostrophe mark. The only difference is that connected to the output shaft 4.3 'of the entire drive device known per se rotary hub unit 10 whose output member 10' is connected to the actuators for the passenger door.
  • a proximity switch 11 is additionally arranged for Huber upset.
  • the operation of the two embodiments according to Fig. 1 and 2 is basically the same.
  • the torque generated by the drive motor 1 or 1 ' is transmitted to the output element 4.3 or 4.31 via the first reduction gear 2 or 2', the engaged clutch 3 or 3 'and the second reduction gear 4 or 4'.
  • the clutch 3 or 3 ' can be disengaged via the Bowden cable 5 or 5', after which the manual actuation of the passenger door is only possible against the self-locking of the second reduction gear 4 or 4 '.
  • FIGS. 4 and 5 an embodiment in which the first reduction gear 2 with the drive motor 1 and the associated first coupling half 3.3 together by means of axially Spring force of the compression spring 3.1 are connected to the second coupling half 3.4 and the second reduction gear.
  • the drive motor 1 is slidably mounted in the tubular housing 9 with the first reduction gear 2.
  • a Bowden cable 14 biases the compression spring 3.1 and shifts the drive motor 1, the first reduction gear 2 and the first coupling half 3.3 axially in the tubular housing 9, whereby the power transmission to the clutch 3 is disconnected.
  • the structure of the clutch 3 is much simpler, and realized with significantly fewer components.
  • the outer diameter also remains significantly smaller, since the connection point of the Bowden cable 14 is arranged centrally in the housing 9.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)
  • Gear Transmission (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A drive apparatus for boarding and unboarding devices, in particular for passenger doors, boarding ramps, retractable steps and the like on public transport vehicles having an electric drive motor the driven element of which is connected to the input element of a first reduction gear the output element of which is coupled to the actuation devices for the boarding and unboarding devices where the drive apparatus is constructed as a compact drive where the electric drive motor, the first reduction gear and a second reduction gear as well as an energizable clutch are disposed axially behind each other inside a tubular housing between the first reduction gear and the second reduction gear.

Description

Die Erfindung betrifft eine Antriebsvorrichtung für Ein-/Ausstiegseinrichtungen, insbesondere Fahrgasttüren, Einstiegsrampen, Schiebetritte und dergleichen an Fahrzeugen des öffentlichen Personenverkehrs mit einem elektrischen Antriebsmotor, dessen Abtriebselement mit dem Eingangselement eines ersten Untersetzungsgetriebes verbunden ist, dessen Ausgangselement mit den Betätigungsvorrichtungen für die Ein-/Ausstiegseinrichtungen gekoppelt ist. Derartige Antriebsvorrichtungen sind an sich bekannt.The invention relates to a drive device for entry / exit devices, in particular passenger doors, boarding ramps, sliding steps and the like on public transport vehicles with an electric drive motor whose output element is connected to the input element of a first reduction gear, the output element with the actuators for the input / output. Exit devices is coupled. Such drive devices are known per se.

Ein bei derartigen Antriebsvorrichtungen auftretendes Problem besteht darin, dass im Notfall eine Fahrgasttür manuell geöffnet werden soll oder auch ein Schiebetritt oder eine Einstiegsrampe manuell in eine bestimmte Stellung gebracht werden soll, und dies dadurch erschwert wird, dass die Antriebsvorrichtung wegen des großen Untersetzungsverhältnisses des Getriebes eine so starke Selbsthemmung besitzt, dass eine manuelle Bewegung außerordentlich stark erschwert wird.A problem encountered with such drive devices is that in an emergency, a passenger door should be opened manually or a Schiebetritt or entry ramp should be manually placed in a certain position, and this is complicated by the fact that the drive device because of the large reduction ratio of the transmission has such strong self-locking that a manual movement is extremely difficult.

Der Erfindung liegt die Aufgabe zugrunde, eine Antriebsvorrichtung mit den eingangs und im Oberbegriff des Schutzanspruchs 1 angegebenen Merkmalen so auszubilden, dass im Notfall eine manuelle Betätigung möglich ist, ohne dass die Selbsthemmung des Untersetzungsgetriebes diese manuelle Betätigung erschwert oder unmöglich macht. Insbesondere soll die Antriebsvorrichtung kompakt aufgebaut sein und wenig Raum beanspruchen.The invention has the object of providing a drive device with the features specified in the preamble of claim 1 protection form such that in an emergency manual operation is possible without the self-locking of the reduction gear makes this manual operation difficult or impossible. In particular, the drive device should be made compact and take up little space.

Die Lösung dieser Aufgabe geschieht erfindungsgemäß mit den Merkmalen aus dem kennzeichnenden Teil des Schutzanspruchs 1. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen beschrieben.The solution of this object is achieved according to the invention with the features of the characterizing part of the protection claim 1. Advantageous developments of the invention are described in the dependent claims.

Ein Grundgedanke der Erfindung besteht darin, das Gesamtuntersetzungsgetriebe in zwei Einzelgetriebe aufzuteilen, die durch eine ausrückbare Kupplung miteinander gekoppelt sind, wobei das erste Untersetzungsgetriebe mit dem Antriebsmotor und das zweite Übersetzungsgetriebe mit den Betätigungseinrichtungen für die Ein-/Ausstiegseinrichtung verbunden ist. Die Untersetzungsverhältnisse der beiden Untersetzungsgetriebe können dann so gewählt werden, dass nach Ausrücken der Kupplung eine manuelle Betätigung gegen die nunmehr reduzierte Selbsthemmung möglich ist.A basic idea of the invention is to divide the total reduction gear into two individual transmissions, which are coupled to one another by a disengageable clutch, wherein the first reduction gear is connected to the drive motor and the second transmission gear is connected to the actuators for the entry / exit device. The reduction ratios of the two reduction gear can then be chosen so that after disengagement of the clutch manual operation against the now reduced self-locking is possible.

Es hat sich gezeigt, dass bis zu einem maximalen Untersetzungsverhältnis von 25:1 die Selbsthemmung des Getriebes bei manueller Betätigung gut überwunden werden kann. Hieraus ergibt sich, dass bei einem Gesamtuntersetzungsverhältnis beider Untersetzungsgetriebe, das im Bereich 200 : 1 bis 1400 : 1 liegt, die Untersetzungsverhältnisse der beiden Untersetzungsgetriebe so gewählt werden können, dass die Aufteilung des Gesamtuntersetzungsverhältnisses zwischen dem ersten und zweiten Untersetzungsgetriebe durch die ansteuerbare Kupplung im Bereich zwischen 2,5 : 1 bis 0,5 : 1 liegen kann.It has been shown that up to a maximum reduction ratio of 25: 1, the self-locking of the transmission can be overcome with manual operation well. It follows that at a total reduction ratio of the two reduction gear, which is in the range 200: 1 to 1400: 1, the reduction ratios of the two reduction gear can be chosen so that the distribution of the overall reduction ratio between the first and second reduction gear through the controllable clutch in the field may be between 2.5: 1 to 0.5: 1.

Als Getriebe für das erste und zweite Untersetzungsgetriebe können vorteilhaft Planetengetriebe eingesetzt werden.As a transmission for the first and second reduction gear can be used advantageously planetary gear.

Die ansteuerbare Kupplung kann als unter Federkraft einrückende Kupplung ausgebildet sein, die an eine manuell betätigbare Notfallentriegelungsvorrichtung angeschlossen ist. Es hat sich weiterhin als vorteilhaft erwiesen, wenn am elektrischen Antriebsmotor eine auf die Abtriebswelle mittels Federkraft einwirkende elektromagnetisch lösbare Bremse angeordnet ist. Derartige Bremsen sind unter dem Bergriff "Low-active-Bremse" an sich bekannt.The controllable clutch may be formed as a spring-engaging clutch which is connected to a manually operable emergency release device. It has also proven to be advantageous if a force acting on the output shaft by means of spring force electromagnetically releasable brake is arranged on the electric drive motor. Such brakes are known under the term "low-active brake".

Weiterhin kann das Ausgangselement des zweiten Untersetzungsgetriebes mit einer Hub-Dreheinheit verbunden sein, eine an sich bekannte Komponente, die insbesondere bei Außenschwenktüren eingesetzt wird. Über den Türhub erfolgt dabei eine formschlüssige Verbindung des Türblattes mit dem Türportal über Schließkeile.Furthermore, the output element of the second reduction gear may be connected to a lifting rotary unit, a known per se component which is used in particular for exterior swing doors. About the door lift takes place while a positive connection of the door leaf with the door portal via locking wedges.

Die gesamte erfindungsgemäße Antriebsvorrichtung ist erfindungsgemäß als Kompaktantrieb aufgebaut, in dem der elektrische Antriebsmotor, das erste Untersetzungsgetriebe, die ansteuerbare Kupplung und das zweite Untersetzungsgetriebe axial hintereinander innerhalb eines rohrförmigen Gehäuses angeordnet sind.The entire drive device according to the invention is constructed according to the invention as a compact drive, in which the electric drive motor, the first reduction gear, the controllable clutch and the second reduction gear are arranged axially behind one another within a tubular housing.

In einer besonders vorteilhaften Ausführungsform ist das erste Untersetzungsgetriebe mit dem Antriebsmotor und der ersten Kupplungshälfte gemeinsam axial mittels Federkraft einer Druckfeder mit der zweiten Kupplungshälfte und dem zweiten Untersetzungsgetriebe verbunden. Der Antriebsmotor mit dem Untersetzungsgetriebe ist dabei verschiebbar in einem rohrförmigen Gehäuse gelagert. Im Notbetrieb spannt ein Bowdenzug die Feder und verschiebt Antriebsmotor, Untersetzungsgetriebe und Kupplungshälfte axial im Außenrohr, wodurch die Kraftübertragung an der Kupplung getrennt ist. In dieser Ausführung ist der Aufbau an der Kupplung ausgesprochen einfach und mit deutlich weniger Bauteilen realisierbar. Der Außendurchmesser bleibt ebenso deutlich kleiner, da der Anbindungspunkt des Bowdenzugs zentral im Gehäuse vorgesehen ist.In a particularly advantageous embodiment, the first reduction gear is connected to the drive motor and the first coupling half together axially by means of spring force of a compression spring with the second coupling half and the second reduction gear. The drive motor with the reduction gear is slidably mounted in a tubular housing. In emergency mode, a Bowden cable biases the spring and moves the drive motor, reduction gear and coupling half axially in the outer tube, whereby the power transmission is disconnected at the clutch. In this embodiment, the structure of the coupling is very simple and can be realized with significantly fewer components. The outer diameter also remains significantly smaller, since the connection point of the Bowden cable is provided centrally in the housing.

In beiden Varianten ermöglicht es die schlanke Bauform des Antriebs, diesen optisch ansprechend an jeder Stelle der ebenso rohrförmig ausgeführten Türdrehsäule zu integrieren. So ist es einfach möglich, den Antrieb je nach Fahrzeuggegebenheiten und Anschlussmöglichkeiten zu platzieren, wodurch am bisher üblichen Platz für Türantriebe, z.B. im Dachbereich, Bauraum für andere Komponenten geschaffen wird.In both variants, the slim design of the drive makes it possible to integrate it visually appealing at any point of the likewise tubular door pivot column. Thus, it is easily possible to place the drive depending on the vehicle conditions and connection possibilities, whereby the usual place for door drives, e.g. in the roof area, space for other components is created.

Im Folgenden werden zwei Ausführungsbeispiele für eine Antriebsvorrichtung nach der Erfindung anhand der beigefügten Zeichnungen nähe erläutert.In the following two embodiments of a drive device according to the invention with reference to the accompanying drawings are explained near.

In den Zeichnungen zeigen:

  • Fig. 1: in einem schematisierten Axialschnitt eine erste Ausführungsform einer Antriebsvorrichtung für Ein/Ausstiegseinrichtungen;
  • Fig. 2: in einer Darstellung analog Fig. 1 eine Antriebseinrichtung mit Hub-Dreheinheit;
  • Fig. 3: eine Draufsicht auf die beiden Ausführungsformen nach Fig. 1 und 2 von unten gesehen.
  • Fig. 4: in einem schematisierten Axialschnitt eine zweite Ausführungsform einer Antriebsvorrichtung in geschlossener Stellung der Kupplung,
  • Fig. 5: die Antriebsvorrichtung aus Fig. 4 in offener Stellung der Kupplung.
In the drawings show:
  • Fig. 1 in a schematized axial section, a first embodiment of a drive device for entry / exit devices;
  • Fig. 2 : in a representation analog Fig. 1 a drive device with lifting and turning unit;
  • Fig. 3 : A plan view of the two embodiments according to Fig. 1 and 2 seen from below.
  • Fig. 4 in a schematic axial section of a second embodiment of a drive device in the closed position of the clutch,
  • Fig. 5 : the drive device off Fig. 4 in the open position of the clutch.

Fig. 1 zeigt eine als Kompaktantrieb aufgebaute Antriebsvorrichtung, beispielsweise für eine Fahrgasttür, bei der innerhalb eines schlanken, rohrförmig ausgebildeten Gehäuses in axialer Richtung hintereinander ein elektrischer Antriebsmotor 1, ein erstes Untersetzungsgetriebe 2, eine ansteuerbare Kupplung 3 und ein zweites Untersetzungsgetriebe 4 angeordnet sind. Dabei ist das Abtriebselement des Antriebsmotors 1 mit dem Eingangselement des ersten Untersetzungsgetriebes 2 verbunden, dessen Ausgangselement 2.1 über die Kupplung 3 mit dem Eingangselement 4.1 des zweiten Untersetzungsgetriebes 4 verbunden ist. Die Kupplung 3 rückt unter der Kraft einer Druckfeder 3.1 ein. Ein Kupplungselement besitzt ein Betätigungsstück 3.2 zum Ausrücken, welches über einen Bowdenzug 5 in nicht dargestellter Weise mit einer Notentriegelungsvorrichtung verbunden ist, bei deren manueller Betätigung über den Bowdenzug 5 die Kupplung 3 gegen die Kraft der Feder 3.1 ausrückt. Fig. 1 shows a drive device constructed as a compact drive, for example, for a passenger door, in which an electric drive motor 1, a first reduction gear 2, a controllable clutch 3 and a second reduction gear 4 are arranged within a slender, tubular housing in the axial direction. In this case, the output element of the drive motor 1 is connected to the input element of the first reduction gear 2, whose output element 2.1 is connected via the clutch 3 to the input element 4.1 of the second reduction gear 4. The clutch 3 engages under the force of a compression spring 3.1. A coupling element has an operating piece 3.2 to disengage, which is connected via a Bowden cable 5 in a manner not shown with an emergency release device in their manual operation via the Bowden cable 5, the clutch 3 against the force of spring 3.1 disengages.

Am Elektromotor 1 ist eine nicht im Einzelnen dargestellte, an sich bekannte, unter Federkraft einrückende und elektromagnetisch lösbare Bremse 6 angeordnet.The electric motor 1 is a not shown in detail, known per se, arranged under spring force and electromagnetically releasable brake 6 is arranged.

Weiterhin ist am Ausgangselement 4.2 des zweiten Untersetzungsgetriebes 4 eine Vorrichtung 7 angeordnet, mittels der der Drehweg des als Abtriebswelle ausgebildeten Ausgangselements 4.2 erfasst werden kann. Diese Vorrichtung zur Drehwegerfassung kann beispielsweise als Absolutwertgeber, aber auch als Inkrementalgeber ausgebildet sein.Furthermore, a device 7 is arranged on the output element 4.2 of the second reduction gear 4, by means of which the rotational path of the output shaft formed as output element 4.2 can be detected. This device for rotary path detection can be designed, for example, as an absolute encoder, but also as an incremental encoder.

Die Ausgangswelle 4.2 der gesamten Antriebsvorrichtung ist in nicht eigens dargestellter Weise mit den Betätigungsvorrichtungen, beispielsweise einer Fahrgasttür, verbunden.The output shaft 4.2 of the entire drive device is connected in a manner not specifically shown with the actuators, such as a passenger door.

Die in das Gehäuse 9 hineingeführten elektrischen Anschlussleitungen für den Antriebsmotor und die elektromagnetisch lösbare Bremse sowie die Signalleitung für die Vorrichtung zur Drehwegerfassung sind insgesamt mit 8 bezeichnet.Introduced into the housing 9 electrical connection lines for the drive motor and the electromagnetically releasable brake and the signal line for the device for rotational travel detection are designated as a whole with 8.

Wie Fig. 3 zu entnehmen, sind die elektrischen Leitungen 8 und der Bowdenzug 5 in Kanälen angeordnet, die als Ansätze 9.1 bzw. 9.2 am Gehäuse 9 angeordnet sind.As Fig. 3 can be seen, the electrical lines 8 and the Bowden cable 5 are arranged in channels, which are arranged as projections 9.1 and 9.2 on the housing 9.

Fig. 2 zeigt eine Ausführungsform der Antriebseinrichtung, die im Prinzip genauso aufgebaut ist wie die Antriebsvorrichtung nach Fig. 1. In Fig. 2 sind alle Teile, die den einzelnen Teilen der Ausführungsform nach Fig. 1 entsprechen, mit der gleichen Bezugsziffer und einem Apostrophstrich bezeichnet. Ein Unterschied besteht lediglich darin, dass an die Abtriebswelle 4.3' der gesamten Antriebsvorrichtung die an sich bekannte Hub-Dreheinheit 10 angeschlossen ist, deren Ausgangselement 10' mit den Betätigungsvorrichtungen für die Fahrgasttür verbunden ist. Fig. 2 shows an embodiment of the drive device, which is constructed in principle the same as the drive device according to Fig. 1 , In Fig. 2 are all parts that follow the individual parts of the embodiment Fig. 1 correspond with the same reference number and an apostrophe mark. The only difference is that connected to the output shaft 4.3 'of the entire drive device known per se rotary hub unit 10 whose output member 10' is connected to the actuators for the passenger door.

Im Bereich dieser Abtriebswelle 4.3' ist zusätzlich ein Näherungsschalter 11 zur Huberfassung angeordnet.In the area of this output shaft 4.3 ', a proximity switch 11 is additionally arranged for Huberfassung.

Die Funktionsweise der beiden Ausführungsformen nach Fig. 1 und 2 ist im Prinzip die gleiche. Das vom Antriebsmotor 1 bzw. 1' erzeugte Drehmoment wird über das erste Untersetzungsgetriebe 2 bzw. 2', die eingerückte Kupplung 3 bzw. 3' und das zweite Untersetzungsgetriebe 4 bzw. 4' auf das Ausgangselement 4.3 bzw. 4.31 übertragen. Im Notfall kann über den Bowdenzug 5 bzw. 5' die Kupplung 3 bzw. 3' ausgerückt werden, wonach die manuelle Betätigung der Fahrgasttür nur gegen die Selbsthemmung des zweiten Untersetzungsgetriebes 4 bzw. 4' ohne weiteres möglich ist.The operation of the two embodiments according to Fig. 1 and 2 is basically the same. The torque generated by the drive motor 1 or 1 'is transmitted to the output element 4.3 or 4.31 via the first reduction gear 2 or 2', the engaged clutch 3 or 3 'and the second reduction gear 4 or 4'. In an emergency, the clutch 3 or 3 'can be disengaged via the Bowden cable 5 or 5', after which the manual actuation of the passenger door is only possible against the self-locking of the second reduction gear 4 or 4 '.

Gegensätzlich zur ersten beschriebenen Ausführung zeigen die Figuren 4 und 5 eine Ausführung, bei der das erste Untersetzungsgetriebe 2 mit dem Antriebsmotor 1 und die damit verbundene erste Kupplungshälfte 3.3 gemeinsam axial mittels Federkraft der Druckfeder 3.1 mit der zweiten Kupplungshälfte 3.4 und dem zweiten Untersetzungsgetriebe verbunden sind. Der Antriebsmotor 1 ist mit dem ersten Untersetzungsgetriebe 2 verschiebbar in dem rohrförmigen Gehäuse 9 gelagert. Im Notbetrieb spannt ein Bowdenzug 14 die Druckfeder 3.1 und verschiebt den Antriebsmotor 1, das erste Untersetzungsgetriebe 2 und die erste Kupplungshälfte 3.3 axial im rohrförmigen Gehäuse 9, wodurch die Kraftübertragung an der Kupplung 3 getrennt ist. In dieser Ausführung ist der Aufbau an der Kupplung 3 wesentlich einfacher, und mit deutlich weniger Bauteilen realisierbar. Der Außendurchmesser bleibt ebenso deutlich kleiner, da der Anbindungspunkt des Bowdenzugs 14 zentral im Gehäuse 9 angeordnet ist.Contrary to the first described embodiment show the FIGS. 4 and 5 an embodiment in which the first reduction gear 2 with the drive motor 1 and the associated first coupling half 3.3 together by means of axially Spring force of the compression spring 3.1 are connected to the second coupling half 3.4 and the second reduction gear. The drive motor 1 is slidably mounted in the tubular housing 9 with the first reduction gear 2. In emergency operation, a Bowden cable 14 biases the compression spring 3.1 and shifts the drive motor 1, the first reduction gear 2 and the first coupling half 3.3 axially in the tubular housing 9, whereby the power transmission to the clutch 3 is disconnected. In this embodiment, the structure of the clutch 3 is much simpler, and realized with significantly fewer components. The outer diameter also remains significantly smaller, since the connection point of the Bowden cable 14 is arranged centrally in the housing 9.

Claims (13)

  1. Drive unit for entrance and exit systems, In particular for passenger doors, boarding ramps, retractable steps and the like, on public transport vehicles having an electric drive motor (1) whose drive side element is connected to the input element of a first reduction gear (2), whose output element (2.1) Is coupled to the actuation devices for the entrance and exit systems, characterized by
    a construction as a compact drive wherein the electric drive motor (1), the first reduction gear (2) and a second reduction gear (4) as well as a selectable clutch (3) between the first reduction gear (2) and the second reduction gear (4) are disposed axially behind one another inside a tubular housing (9) whereby the drive unit is Integrated In a door rotation post.
  2. Drive unit according to claim 1, characterized In that the maximum reduction gear ratio of the second reduction gear (4) is 25 : 1.
  3. Drive unit according to claim 1 or 2, characterized in that the overall reduction gear ratio lies in the range between 200 : 1 and 1400 : 1.
  4. Drive unit according to claims 1 through 3, characterized in that by the use of the selectable clutch (3) the division of the overall reduction gear ratio between the first and the second reduction gear (2, 4) lies in the range between 2,5 : 1 and 0,5 : 1.
  5. Drive unit according to claims 1 through 4, characterized In that the first and the second reduction gear (2, 4) each are formed as a planetary gear.
  6. Drive unit according to claims 1 through 5, characterized In that the selectable clutch (3) Is connected to a manually operable emergency unlocking device in such a way that by operation the selectable clutch (3) between the first and the second reduction gear (2, 4) Is released.
  7. Drive unit according to claim 6, characterized in that the selectable clutch (3) is formed as a clutch that engages under spring force.
  8. Drive unit according to claim 6 or 7, characterized in that the selectable clutch (3) and the emergency unlocking device are connected through a Bowden cable (5).
  9. Drive unit according to claims 1 through 8, characterized In that an electromagnetically detachable brake (6) which acts by means of spring force upon the driven shaft is arranged on the electric drive motor (1).
  10. Drive unit according to claims 1 through 9, characterized in that the output element (4.2) of the second reduction gear (4) is a driveshaft whose rotation path is recorded by a rotation detector (7).
  11. Drive unit according to claims 1 through 10, characterized in that the output element (4.2') of the second reduction gear (4') is connected to a lifting-rotation-device (10)
  12. Drive unit according to claim 11, characterized in that the lifting movement of the lifting-rotation-device (10) is recorded by a sensor (11).
  13. Drive unit according to claims 1 through 12, characterized in that the first reduction gear (2) with the drive motor (1) and the herewith connected first clutch half (3.3) are connected together axially, by means of spring force with the second clutch half (3.4) and the second reduction gear (4), whereby the said drive unit (1) with the first reduction gear (2) being movable disposed in the tubular housing (9)and a Bowden cable (14) Is disposed in such a manner that through the cable the spring force is overcome and the drive unit (1), the first reduction gear (2) and the first clutch half (3.3) can be displaced axially in the tubular housing (9) so that the force transmission at the clutch (3) is detached.
EP07820474A 2006-09-28 2007-09-21 Drive unit for entrance and exit systems Active EP2078129B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07820474T PL2078129T3 (en) 2006-09-28 2007-09-21 Drive unit for entrance and exit systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006014936U DE202006014936U1 (en) 2006-09-28 2006-09-28 Drive device for entry and exit devices, in particular passenger doors, entry ramps, sliding steps and the like. on public transport vehicles
PCT/EP2007/060066 WO2008037669A1 (en) 2006-09-28 2007-09-21 Drive unit for entrance and exit systems

Publications (2)

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EP2078129A1 EP2078129A1 (en) 2009-07-15
EP2078129B1 true EP2078129B1 (en) 2011-07-06

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US (1) US8863604B2 (en)
EP (1) EP2078129B1 (en)
JP (1) JP2010504877A (en)
CN (1) CN101535589A (en)
AT (1) ATE515620T1 (en)
BR (1) BRPI0715254A8 (en)
CA (1) CA2664813C (en)
DE (1) DE202006014936U1 (en)
ES (1) ES2368520T3 (en)
MX (1) MX2009003380A (en)
PL (1) PL2078129T3 (en)
RU (1) RU2009115855A (en)
WO (1) WO2008037669A1 (en)

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Also Published As

Publication number Publication date
EP2078129A1 (en) 2009-07-15
ES2368520T3 (en) 2011-11-18
US20090255358A1 (en) 2009-10-15
CA2664813C (en) 2014-12-09
JP2010504877A (en) 2010-02-18
PL2078129T3 (en) 2011-11-30
BRPI0715254A8 (en) 2017-07-11
DE202006014936U1 (en) 2008-02-21
BRPI0715254A2 (en) 2014-09-23
CN101535589A (en) 2009-09-16
WO2008037669A1 (en) 2008-04-03
CA2664813A1 (en) 2008-04-03
US8863604B2 (en) 2014-10-21
MX2009003380A (en) 2009-08-07
RU2009115855A (en) 2010-11-10
ATE515620T1 (en) 2011-07-15

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