EP2070498A2 - Wheelchair lifting device - Google Patents

Wheelchair lifting device Download PDF

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Publication number
EP2070498A2
EP2070498A2 EP08011969A EP08011969A EP2070498A2 EP 2070498 A2 EP2070498 A2 EP 2070498A2 EP 08011969 A EP08011969 A EP 08011969A EP 08011969 A EP08011969 A EP 08011969A EP 2070498 A2 EP2070498 A2 EP 2070498A2
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EP
European Patent Office
Prior art keywords
platform
bridge plate
pivot axis
push rod
carriage
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
Application number
EP08011969A
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German (de)
French (fr)
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EP2070498A3 (en
EP2070498B1 (en
Inventor
Christian Sahr
Alexander Heckel
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Huebner Transportation GmbH
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Huebner Transportation GmbH
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Publication date
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Priority to PL08011969T priority Critical patent/PL2070498T3/en
Publication of EP2070498A2 publication Critical patent/EP2070498A2/en
Publication of EP2070498A3 publication Critical patent/EP2070498A3/en
Application granted granted Critical
Publication of EP2070498B1 publication Critical patent/EP2070498B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
    • A61G3/02—Loading or unloading personal conveyances; Facilitating access of patients or disabled persons to, or exit from, vehicles
    • A61G3/06—Transfer using ramps, lifts or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
    • A61G3/02—Loading or unloading personal conveyances; Facilitating access of patients or disabled persons to, or exit from, vehicles
    • A61G3/06—Transfer using ramps, lifts or the like
    • A61G3/062—Transfer using ramps, lifts or the like using lifts connected to the vehicle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
    • A61G3/02—Loading or unloading personal conveyances; Facilitating access of patients or disabled persons to, or exit from, vehicles
    • A61G3/06—Transfer using ramps, lifts or the like
    • A61G3/067—Transfer using ramps, lifts or the like with compartment for horizontally storing the ramp or lift
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2220/00—Adaptations of particular transporting means
    • A61G2220/12—Trains
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2220/00—Adaptations of particular transporting means
    • A61G2220/16—Buses

Definitions

  • the present invention relates to a Rollstuhlhubvoriques for attachment to a vehicle, for.
  • a bus or a rail vehicle comprising a platform with bridge plate pivotally hinged thereto, the platform being held by at least one carriage, the carriage being in a housing of the vehicle is mounted extendable and retractable, wherein the carriage is connected to the platform by two arranged on both sides of the platform articulated arms, wherein the carriage has at least one drive for connection to the articulated arms, wherein the bridge plate is pivotally mounted by a pivot axis on the platform wherein a push housing is provided, which is positively coupled at one end to the at least one articulated arm, and at the other end with the pivot axis of the bridge plate, the pivot axis is rotatably in communication.
  • a housing is provided on the car body, which accommodates a carriage, wherein the carriage is moved out of the housing mostly transverse to the vehicle longitudinal axis, wherein on the carriage, the platform is articulated with two mutually parallel articulated arms.
  • a drive in particular at least one piston-cylinder drive, which is arranged in the carriage and which acts on a cross-member connecting the two articulated arms, the platform arms can be lowered or also raised by means of the articulated arms.
  • a drive is provided which extends or retracts the carriage on which the bridge plate is articulated.
  • Another drive is required to raise or lower the bridge plate by the articulated arms.
  • Another drive is required to pivot the bridge plate.
  • a piston cylinder drive is provided for this purpose, which acts eccentrically on the pivot axis of the bridge plate and thus transferred the bridge plate from a horizontal position in the retracted position of the platform via a vertical position in turn a horizontal position.
  • the wheelchair lifting device described above has proven itself in everyday use. However, it is relatively expensive, which is particularly due to the fact that at least five drives are provided so that both the platform and the bridge plate and the carriage can perform the intended movements.
  • a drive is provided for extending the carriage, two parallel-acting piston cylinder drives for lowering and raising the platform and two piston cylinder drives for pivoting the bridge plate.
  • the platform In the in Fig. 2 position shown then the platform is retracted.
  • the bridge plate When lowering the ramp platform, however, the bridge plate is brought into a vertical position. Since the height of the cassette in the vehicle floor, which accommodates the ramp platform, is only relatively small, the bridge plate can also have only a relatively small height when tilted. Otherwise, the platform would not be able to be retracted. This is of particular relevance when bridging the distance from the rear edge of the ramp platform to the floor of the vehicle requires a larger length bridge deck, as is the case, for example, when not only one stair step needs to be bridged, but like this Often the case is the distance due to two or three steps.
  • the bridge plate must be upright to prevent, as already stated, people from the vehicle from getting onto the extended ramp platform, and It must also be ensured that when a wheelchair user is on the ramp platform, this is secured against rolling down; This is done by placing the bridge plate on at least one side of the ramp platform.
  • the object underlying the invention is therefore to provide a Rollstuhlhubvorraum of the type mentioned, with the one hand, larger distances between the rear edge of the ramp platform and the vehicle floor can be bridged, as is the case for example when the rising of the vehicle more Stair steps includes, and yet the ramp platform including bridge plate should be fed into the housing in the vehicle floor, and on the other hand ensures that immediately after extending the ramp platform from the cassette in the bottom of the vehicle, the bridge plate is placed, and only folds down when the ramp platform for the departure of the wheelchair user has reached the required end position.
  • the object is achieved in that a force acting on the pivot axis stop is provided, which is spring loaded, so that when the ramp platform is extended by the spring-loaded stop the bridge plate is swung open.
  • the push rod comprises a fork arm, wherein the fork arm end has a fork which is positively but articulated with the at least one articulated arm in connection.
  • a pin is detected, which is arranged on the articulated arm; the pin is rotatably received by the fork.
  • the Fork arm which is pivotally mounted on the platform, in the horizontal direction, ie parallel to the depth or length of the platform moves.
  • said push rod is in communication with the pivot axis of the bridge plate.
  • the push rod In engagement is the push rod with the pivot axis of the bridge plate, for example, insofar as the pivot axis has a cam which cooperates with the push rod, without that there would have to be a material connection.
  • the platform Assuming now from the extended state of the platform, ie the platform is on the floor, and it is still assumed that starting from this lower position, the platform is raised, then when lifting the platform by the articulated arms of the angle Change the articulated arms relative to the platform in the manner of a parallelogram link. This causes a change in the position of the fork of the fork arm relative to the articulated arm, which simultaneously causes a displacement of the push rod, which is in communication with the articulated arm. That is, the push rod will move in the direction of the pivot axis of the bridge plate or away.
  • the pivot axis has a Aufstellnocken, the Aufstellnocken abuts when lifting the platform at the end of the push rod, and wherein further lifting of the platform, the bridge plate depending on the position of the platform is now folded back and the wheelchair user access in the interior of the vehicle, z. B. the bus allows.
  • the so-called stop is provided, which acts on the pivot axis of the bridge plate.
  • This stop is - as stated - spring loaded, wherein a stop cam is provided for the stop on the pivot axis, wherein the stop comprises a stop rod which is displaceable upon rotation of the pivot axis by the arranged on the pivot axis stop cam against the force of the spring.
  • FIG. 1 has the lifting device designated 1, the platform 2, wherein the platform 2, the bridge plate 3 designated pivotable receives.
  • the two articulated arms 4 (FIG. FIG. 2 ff), which are arranged on the one hand on the platform 2, and on the other hand articulated to the carriage 5 generally designated.
  • the carriage 5 also has the two piston cylinder drives 6, which engage a connecting the two articulated arms 4 traverse 7 and ensure that the platform deposed ( FIG. 2 ) or raised, as can be seen from the Figures 3 and 4 results.
  • the drive 8 is provided for retraction of the carriage in the housing of the bus.
  • the push rod 10 includes a fork arm 11 which is pivotally mounted on the platform 2 by an axis 11a.
  • the fork arm 11 has at its one end via an intermediate member 11 b, the push rod 12.
  • the push rod 12 is mounted on the platform in the direction of arrow 13 axially movable.
  • the fork arm 11 a has at its upper end the fork 15, wherein in the fork 15 a pin 17 rotatably supports, which is fixed to the articulated arm 4.
  • the pivot axis 20 for receiving the bridge plate 3 it follows that the pivot axis 20 at its one, in the installed state lower end a Aufstellnocken 21 and at its other upper end a stop cam 22 has.
  • the Aufstellnocken 21 cooperates with the push rod 12; above the push rod 12 is the total designated 30 stop.
  • the stop 30 comprises a stop rod 31 which is displaceable in the direction of the arrow 35 against the force of the spring 33.
  • the stop rod 31 has an end stopper head 32 which cooperates with the stop cam 22.
  • FIG. 2a the operation of the lifting device in relation to the push rod 10 is as follows:
  • the platform labeled 2 is on the ground and allows the wheelchair user to access the platform.
  • the piston-cylinder drive 6, which is articulated on the traverse 7, which connects the two articulated arms 4 the platform 3 via a position according to FIG. 3 in the position according to FIG. 4 transferred.
  • the articulated arms 4 change their position relative to the platform 2.
  • the fork 15 moves in the direction of arrow 18 about the axis 11 a.
  • the platform is in a position according to FIG. 3 transferred.
  • the carriage 5 then retracts the platform 2 in the direction of the arrow 53, wherein when the bridge plate 3 abuts against the end face 51 of the housing 50, the Bridge plate 3 is pivoted against the direction of the arrow 9.
  • the stopper head 32 of the stopper rod 31 is displaced by the stop cam 22 of the pivot axis 20 in the direction of the arrow 35, wherein in this case the spring 33 is compressed, that is biased. That is, in the retracted state of the platform, the bridge plate 3 rests on the platform 2, wherein in this case the spring 33 of the stopper 30 is biased.
  • the bridge plate is set up so far in order to prevent rising in the bus people ascend to the lowering platform.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The device (1) has a carriage (5) connected with a platform (2) by articulated arms (4) that are attached to sides of the platform. A bridging plate (3) is pivotably supported in the platform via a pivoting axis (20). A push rod (10) is constraintly coupled with one of the arms at an end, and is rotatably connected with the pivoting axis of the bridging plate at another end. A stopper (30) acting on the pivoting axis is spring-loaded such that the bridging plate is swung by the spring-loaded stopper during lifting the ramp platform.

Description

Die vorliegende Erfindung betrifft eine Rollstuhlhubvorrichtung zur Anbringung an einem Fahrzeug, z. B. einem Bus oder einem Schienenfahrzeug, umfassend eine Plattform mit daran schwenkbar angelenkter Brückenplatte, wobei die Plattform durch mindestens einen Schlitten gehalten ist, wobei der Schlitten in einem Gehäuse des Fahrzeugs ein- und ausfahrbar gelagert ist, wobei der Schlitten mit der Plattform durch zwei zu beiden Seiten der Plattform angeordnete Gelenkarme verbunden ist, wobei der Schlitten mindestens einen Antrieb zur Verbindung mit den Gelenkarmen aufweist, wobei die Brückenplatte durch eine Schwenkachse an der Plattform schwenkbar gelagert ist, wobei ein Schubgehäuse vorgesehen ist, das an einem Ende mit dem mindestens einen Gelenkarm zwangsgekoppelt ist, und das am anderen Ende mit der Schwenkachse der Brückenplatte die Schwenkachse drehend in Verbindung steht.The present invention relates to a Rollstuhlhubvorrichtung for attachment to a vehicle, for. A bus or a rail vehicle, comprising a platform with bridge plate pivotally hinged thereto, the platform being held by at least one carriage, the carriage being in a housing of the vehicle is mounted extendable and retractable, wherein the carriage is connected to the platform by two arranged on both sides of the platform articulated arms, wherein the carriage has at least one drive for connection to the articulated arms, wherein the bridge plate is pivotally mounted by a pivot axis on the platform wherein a push housing is provided, which is positively coupled at one end to the at least one articulated arm, and at the other end with the pivot axis of the bridge plate, the pivot axis is rotatably in communication.

Gegenstand dieser niederländischen Patentschrift 1021891 ist eine sogenannte Rollstuhlhubvorrichtung, so wie sie an Fahrzeugen, und hier insbesondere Bussen, angebracht wird, um Rollstuhlfahrern den Zugang in das Innere des Busses zu ermöglichen. Hierzu ist am Wagenkasten ein Gehäuse vorgesehen, das einen Schlitten aufnimmt, wobei der Schlitten meistens quer zur Fahrzeuglängsachse aus dem Gehäuse herausfahrbar ist, wobei an dem Schlitten die Plattform mit zwei parallel zueinander verlaufenden Gelenkarmen angelenkt ist. Durch die Gelenkarme kann mit Hilfe eines Antriebes, insbesondere mindestens eines Kolbenzylinderantriebs, der im Schlitten angeordnet ist und der auf eine die beiden Gelenkarme verbindende Traverse wirkt, die Plattform abgesenkt oder auch angehoben werden.Subject of this Dutch patent 1021891 is a so-called wheelchair lift device, as it is attached to vehicles, and in particular buses, to allow wheelchair users access to the interior of the bus. For this purpose, a housing is provided on the car body, which accommodates a carriage, wherein the carriage is moved out of the housing mostly transverse to the vehicle longitudinal axis, wherein on the carriage, the platform is articulated with two mutually parallel articulated arms. By means of a drive, in particular at least one piston-cylinder drive, which is arranged in the carriage and which acts on a cross-member connecting the two articulated arms, the platform arms can be lowered or also raised by means of the articulated arms.

Nun ist es so, dass der Zugang zu einem Bus oder auch zu einem Schienenfahrzeug über Stufen erfolgt. Das Anheben der Plattform erfolgt ausschließlich in vertikaler, also senkrechter Richtung mit der Folge, dass noch ein Raum zwischen dem Ende der Plattform und dem Boden, z. B. eines Busses, der durch die Stufen bedingt ist, überbrückt werden muss. Hierzu dient die sogenannte Brückenplatte.Now it is the case that access to a bus or to a rail vehicle takes place via steps. The lifting of the platform takes place only in a vertical, ie vertical direction with the result that there is still a space between the end of the platform and the ground, z. B. a bus, which is due to the stages, must be bridged. The so-called bridge plate is used for this purpose.

Wie bereits an anderer Stelle erwähnt, ist ein Antrieb vorgesehen, der den Schlitten, an dem die Brückenplatte angelenkt ist, ausfährt bzw. einzieht.As already mentioned elsewhere, a drive is provided which extends or retracts the carriage on which the bridge plate is articulated.

Ein weiterer Antrieb ist erforderlich, um die Brückenplatte durch die Gelenkarme anzuheben bzw. abzusenken. Nach dem Stand der Technik gemäß der zuvor erwähnten niederländischen Patentschrift 1021891 ist ein weiterer Antrieb erforderlich, um die Brückenplatte zu verschwenken. Im Einzelnen ist hierfür ein Kolbenzylinderantrieb vorgesehen, der exzentrisch an die Schwenkachse der Brückenplatte angreift und insofern die Brückenplatte aus einer horizontalen Lage in eingezogener Stellung der Plattform über eine vertikale Lage in wiederum eine horizontale Lage überführt.Another drive is required to raise or lower the bridge plate by the articulated arms. According to the prior art according to the aforementioned Dutch patent 1021891 Another drive is required to pivot the bridge plate. Specifically, a piston cylinder drive is provided for this purpose, which acts eccentrically on the pivot axis of the bridge plate and thus transferred the bridge plate from a horizontal position in the retracted position of the platform via a vertical position in turn a horizontal position.

Die zuvor beschriebene Rollstuhlhubvorrichtung hat sich durchaus im täglichen Einsatz bewährt. Sie ist jedoch relativ teuer, was insbesondere auch daher rührt, dass mindestens fünf Antriebe vorgesehen sind, damit sowohl die Plattform als auch die Brückenplatte und auch der Schlitten die vorgesehenen Bewegungen ausführen können. So ist ein Antrieb vorgesehen zum Ausfahren des Schlittens, zwei parallel wirkende Kolbenzylinderantriebe zum Absenken und Anheben der Plattform sowie zwei Kolbenzylinderantriebe zum Verschwenken der Brückenplatte.The wheelchair lifting device described above has proven itself in everyday use. However, it is relatively expensive, which is particularly due to the fact that at least five drives are provided so that both the platform and the bridge plate and the carriage can perform the intended movements. Thus, a drive is provided for extending the carriage, two parallel-acting piston cylinder drives for lowering and raising the platform and two piston cylinder drives for pivoting the bridge plate.

Aus der WO 94/27546 ist eine Rollstuhlhubvorrichtung der eingangs genannten Art bekannt, wobei ebenfalls eine Brückenplatte vorgesehen ist. Diese Brückenplatte ist verschwenkbar in dem Rahmen der Rampenplattform gelagert. Die Brückenplatte steht durch den Schwenkhebel und die daran gelenkig angelenkte Stange mit dem einen Gelenkarm in Verbindung, der schlussendlich in Verbindung mit einem zweiten Gelenkarm als Parallellenker für die Anhebung der Plattform sorgt. Das heißt, dass die Brückenplatte durch den Schwenkhebel und die Stange in Verbindung mit dem Gelenkarm in Bezug auf die Verschwenkung der Brückenplatte zwangsgesteuert ist. So wird insbesondere dann, wenn die Plattform in eine Lage relativ zum Fahrzeug gebracht ist, die es ermöglicht die Rampenplattform einzuziehen, die Brückenplatte in eine Stellung leicht schräg von der Rampenplattform wegzeigend gebracht, wie sich dies aus Fig. 2 der Entgegenhaltung ergibt. In der in Fig. 2 dargestellten Stellung wird dann die Plattform eingezogen. Beim Absenken der Rampenplattform hingegen wird die Brückenplatte in eine senkrechte Stellung gebracht. Da die Höhe der Kassette im Fahrzeugboden, die die Rampenplattform aufnimmt, nur relativ gering ist, kann die Brückenplatte bei Schrägstellung auch nur eine relativ geringe Höhe aufweisen. Andernfalls würde die Plattform nicht eingezogen werden können. Dies ist insbesondere dann von Relevanz, wenn zum Überbrücken des Abstands von der hinteren Kante der Rampenplattform zum Boden des Fahrzeugs eine Brückenplatte größerer Länge erforderlich ist, wie dies beispielsweise dann der Fall ist, wenn nicht nur eine Treppenstufe überbrückt werden muss, sondern, wie dies häufig der Fall ist, der Abstand aufgrund zweier oder dreier Treppenstufen. Mit einer Konstruktion gemäß der Entgegenhaltung sind derartige Abstände dann nicht mehr zu überbrücken, bzw. eine solche Rampenplattform mit leicht abgeschwenkter Brückenplatte wäre dann nicht mehr in die Kassette des Fahrzeugs einfahrbar, weil die Brückenplatte wesentlich zu lang ist, und infolgedessen über die Kassette übersteht.From the WO 94/27546 is a Rollstuhlhubvorrichtung of the aforementioned type known, wherein also a bridge plate is provided. This bridge plate is pivotally mounted in the frame of the ramp platform. The bridge plate is connected by the pivot lever and the articulated hinged rod with the one articulated arm, which ultimately provides in conjunction with a second articulated arm as a parallel link for raising the platform. That is, the bridge plate is positively controlled by the pivot lever and the rod in conjunction with the articulated arm with respect to the pivoting of the bridge plate. This becomes particularly the case when the platform is brought into a position relative to the vehicle which makes it possible to retract the ramp platform, the bridge plate brought into a position slightly obliquely pointing away from the ramp platform as it turns out Fig. 2 of the citation. In the in Fig. 2 position shown then the platform is retracted. When lowering the ramp platform, however, the bridge plate is brought into a vertical position. Since the height of the cassette in the vehicle floor, which accommodates the ramp platform, is only relatively small, the bridge plate can also have only a relatively small height when tilted. Otherwise, the platform would not be able to be retracted. This is of particular relevance when bridging the distance from the rear edge of the ramp platform to the floor of the vehicle requires a larger length bridge deck, as is the case, for example, when not only one stair step needs to be bridged, but like this Often the case is the distance due to two or three steps. With a construction according to the citation such distances are then no longer to bridge, or such a ramp platform with a slightly pivoted bridge plate would then no longer retractable into the cassette of the vehicle, because the bridge plate is much too long, and consequently protrudes beyond the cassette.

Darüber hinaus ist sicherzustellen, dass unmittelbar nach ausgefahrener Rampenplattform die im Bus befindlichen Personen daran gehindert werden, auf die Rampenplattform zu steigen. Auch ist sicherzustellen, dass der Rollstuhlfahrer beim Anheben der Rampe nicht vor Erreichen der Endstellung der Rampenplattform, in welcher der Rollstuhlfahrer in das Innere des Fahrzeugs gelangen kann, von der Rampenplattform abrollen kann. Das heiß, dass in dem Moment, wo die Rampenplattform aus der Kassette im Boden des Fahrzeugs ausgefahren ist, die Brückenplatte hoch stehen muss, um eben, wie bereits ausgeführt, zu verhindern, dass Personen aus dem Fahrzeug auf die ausgefahrene Rampenplattform aufsteigen können, und es muss darüber hinaus sichergestellt sein, dass dann, wenn sich ein Rollstuhlfahrer auf der Rampenplattform befindet, dieser gegen Herabrollen gesichert ist; dies geschieht durch das Aufstellen der Brückenplatte auf zumindest der einen Seite der Rampenplattform.In addition, make sure that immediately after the ramp platform has been extended, the people in the bus are prevented from climbing onto the ramp platform. It must also be ensured that the wheelchair user can not roll off the ramp platform when the ramp is raised before reaching the end position of the ramp platform in which the wheelchair user can reach the interior of the vehicle. That is, the moment the ramp platform is extended out of the cassette in the floor of the vehicle, the bridge plate must be upright to prevent, as already stated, people from the vehicle from getting onto the extended ramp platform, and It must also be ensured that when a wheelchair user is on the ramp platform, this is secured against rolling down; This is done by placing the bridge plate on at least one side of the ramp platform.

Die der Erfindung zugrunde liegende Aufgabe besteht demzufolge darin, eine Rollstuhlhubvorrichtung der eingangs genannten Art bereitzustellen, mit der einerseits auch größere Abstände zwischen der hinteren Kante der Rampenplattform und dem Fahrzeugboden überbrückt werden können, wie dies beispielsweise der Fall ist, wenn der Aufgang des Fahrzeugs mehrere Treppenstufen umfasst, und dennoch die Rampenplattform samt Brückenplatte in das Gehäuse im Fahrzeugboden eingezogen werden können soll, und andererseits sichergestellt ist, dass unmittelbar nach Ausfahren der Rampenplattform aus der Kassette im Boden des Fahrzeugs die Brückenplatte aufgestellt ist, und erst abklappt, wenn die Rampenplattform für das Abfahren des Rollstuhlfahrers die erforderliche Endstellung erreicht hat.The object underlying the invention is therefore to provide a Rollstuhlhubvorrichtung of the type mentioned, with the one hand, larger distances between the rear edge of the ramp platform and the vehicle floor can be bridged, as is the case for example when the rising of the vehicle more Stair steps includes, and yet the ramp platform including bridge plate should be fed into the housing in the vehicle floor, and on the other hand ensures that immediately after extending the ramp platform from the cassette in the bottom of the vehicle, the bridge plate is placed, and only folds down when the ramp platform for the departure of the wheelchair user has reached the required end position.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, dass ein auf die Schwenkachse wirkender Anschlag vorgesehen ist, der federbelastet ist, so dass bei ausgefahrener Rampenplattform durch den federbelasteten Anschlag die Brückenplatte aufgeschwenkt wird.The object is achieved in that a force acting on the pivot axis stop is provided, which is spring loaded, so that when the ramp platform is extended by the spring-loaded stop the bridge plate is swung open.

Vorteilhafte Merkmale sind den Unteransprüchen zu entnehmen.Advantageous features can be found in the dependent claims.

In diesem Zusammenhang ist insbesondere vorgesehen, dass das Schubgestänge einen Gabelarm umfasst, wobei der Gabelarm endseitig eine Gabel aufweist, die formschlüssig aber gelenkig mit dem mindestens einen Gelenkarm in Verbindung steht. Durch die Gabel des Gabelarmes wird ein Stift erfasst, der an dem Gelenkarm angeordnet ist; der Stift wird drehbar durch die Gabel aufgenommen. Durch die Bewegung des Gelenkarmes beim Anheben bzw. Absetzen der Plattform wird der Gabelarm, der schwenkbar an der Plattform gelagert ist, in horizontaler Richtung, d. h. parallel zur Tiefe oder Länge der Plattform, bewegt. An den Gabelarm schließt sich eine Schubstange an, wobei diese Schubstange mit der Schwenkachse der Brückenplatte in Verbindung bzw. in Eingriff steht. In Eingriff steht die Schubstange mit der Schwenkachse der Brückenplatte beispielsweise insofern, als die Schwenkachse einen Nocken aufweist, der mit der Schubstange zusammenwirkt, ohne dass dort eine stoffliche Verbindung bestehen müsste. Geht man nunmehr vom ausgefahrenen Zustand der Plattform aus, d. h. die Plattform steht auf dem Boden auf, und geht man weiterhin davon aus, dass ausgehend von dieser unteren Stellung die Plattform angehoben wird, dann wird sich bei Anheben der Plattform durch die Gelenkarme der Winkel der Gelenkarme relativ zur Plattform nach Art eines Parallelogrammlenkers verändern. Dies bedingt eine Änderung der Stellung der Gabel des Gabelarmes relativ zum Gelenkarm, was gleichzeitig eine Verschiebung der Schubstange, die mit dem Gelenkarm in Verbindung steht, hervorruft. Das heißt, die Schubstange wird sich in Richtung der Schwenkachse der Brückenplatte oder von dieser weg bewegen.In this context, it is provided in particular that the push rod comprises a fork arm, wherein the fork arm end has a fork which is positively but articulated with the at least one articulated arm in connection. By the fork of the fork arm, a pin is detected, which is arranged on the articulated arm; the pin is rotatably received by the fork. By the movement of the articulated arm when lifting or depositing the platform is the Fork arm, which is pivotally mounted on the platform, in the horizontal direction, ie parallel to the depth or length of the platform moves. To the fork arm connects to a push rod, said push rod is in communication with the pivot axis of the bridge plate. In engagement is the push rod with the pivot axis of the bridge plate, for example, insofar as the pivot axis has a cam which cooperates with the push rod, without that there would have to be a material connection. Assuming now from the extended state of the platform, ie the platform is on the floor, and it is still assumed that starting from this lower position, the platform is raised, then when lifting the platform by the articulated arms of the angle Change the articulated arms relative to the platform in the manner of a parallelogram link. This causes a change in the position of the fork of the fork arm relative to the articulated arm, which simultaneously causes a displacement of the push rod, which is in communication with the articulated arm. That is, the push rod will move in the direction of the pivot axis of the bridge plate or away.

Wie bereits ausgeführt, besitzt die Schwenkachse einen Aufstellnocken, wobei der Aufstellnocken bei Anheben der Plattform am Ende der Schubstange anliegt, und wobei bei weiterem Anheben der Plattform die Brückenplatte in Abhängigkeit von der Stellung der Plattform sich nunmehr nach hinten umlegt und dem Rollstuhlfahrer den Zugang in das Innere des Fahrzeugs, z. B. des Busses, ermöglicht. In diesem Zusammenhang ist der sogenannte Anschlag vorgesehen, der auf die Schwenkachse der Brückenplatte wirkt. Dieser Anschlag ist - wie ausgeführt - federbelastet, wobei für den Anschlag an der Schwenkachse ein Anschlagnocken vorgesehen ist, wobei der Anschlag eine Anschlagstange umfasst, die bei Drehung der Schwenkachse durch den an der Schwenkachse angeordneten Anschlagnocken gegen die Kraft der Feder verschieblich ist.As already stated, the pivot axis has a Aufstellnocken, the Aufstellnocken abuts when lifting the platform at the end of the push rod, and wherein further lifting of the platform, the bridge plate depending on the position of the platform is now folded back and the wheelchair user access in the interior of the vehicle, z. B. the bus allows. In this context, the so-called stop is provided, which acts on the pivot axis of the bridge plate. This stop is - as stated - spring loaded, wherein a stop cam is provided for the stop on the pivot axis, wherein the stop comprises a stop rod which is displaceable upon rotation of the pivot axis by the arranged on the pivot axis stop cam against the force of the spring.

Das bedeutet, dass im eingefahrenen Zustand der Plattform, wobei in diesem Zustand die Brückenplatte auf der Plattform aufliegt, unmittelbar nach Ausfahren der Plattform mit Hilfe des bereits zuvor erwähnten Schlittens, die Brückenplatte sich aufgrund des federbelasteten Anschlags, der auf den Anschlagnocken wirkt, aufstellt und in eine Position im Wesentlichen senkrecht zur Plattform übergeht, in der sie dann verbleibt. Die Plattform kann in diesem Zustand nicht nach hinten abschwenken, da die Schubstange an dem Aufstellnocken der Schwenkachse der Brückenplatte anliegt, und insofern verhindert, dass die Brückenplatte im abgesetzten Zustand der Plattform weiter als etwa 90° Grad aufschwenkt. Hieraus wird deutlich, dass die Schubstange die Schwenkachse über den Aufstellnocken blockiert. Wird dann die Plattform angehoben, dann erfolgt ein Ausschwenken der Brückenplatte über 90° Grad hinaus bis maximal 180° Grad, die die Brückenplatte dann erreicht, wenn sich die Plattform in einer Ebene mit dem Fahrzeugboden befindet.This means that in the retracted state of the platform, in which state the bridge plate rests on the platform, immediately after extending the platform using the aforementioned slide, the bridge plate is due to the spring-loaded stopper, which acts on the stop cam, and in a position substantially perpendicular to the platform, in which it then remains. The platform can not pivot backward in this condition because the push rod abuts the jacking cam of the pivot axis of the bridge plate and thus prevents the bridge plate from swinging farther than about 90 degrees in the deployed state of the platform. From this it is clear that the push rod blocks the pivot axis via the Aufstellnocken. Then, when the platform is raised, then the bridge plate is swung over 90 ° degrees addition to a maximum of 180 ° degrees, which reaches the bridge plate when the platform is in a plane with the vehicle floor.

Anhand der Zeichnungen wird die Erfindung nachstehend beispielhaft näher erläutert.

Figur 1
zeigt die Plattform in einer Ansicht von oben als schematische Darstellung;
Figur 2
zeigt eine Seitenansicht, wobei sich die Plattform im abgesetzten Zustand befindet;
Figur 2a
zeigt die Einzelheit X aus Fig. 2 in vergrößerter Darstellung;
Figur 3
zeigt eine Stellung, bei der sich die Plattform in etwa auf der Ebene des Schlittens befindet;
Figur 4
zeigt eine Stellung, bei der sich die Plattform in der Höhe des Bodens des Fahrzeugs befindet.
With reference to the drawings, the invention will be explained in more detail below by way of example.
FIG. 1
shows the platform in a view from above as a schematic representation;
FIG. 2
shows a side view, wherein the platform is in the settled state;
FIG. 2a
shows the detail X Fig. 2 in an enlarged view;
FIG. 3
shows a position in which the platform is located approximately at the level of the carriage;
FIG. 4
shows a position in which the platform is at the level of the floor of the vehicle.

Gemäß Figur 1 weist die mit 1 bezeichnete Hubvorrichtung die Plattform 2 auf, wobei die Plattform 2 die mit 3 bezeichnete Brückenplatte schwenkbar aufnimmt. Darüber hinaus erkennbar sind die beiden Gelenkarme 4 (Figur 2 ff), die einerseits an der Plattform 2 angeordnet sind, und andererseits gelenkig an dem insgesamt mit 5 bezeichneten Schlitten befestigt sind. Der Schlitten 5 besitzt darüber hinaus die beiden Kolbenzylinderantriebe 6, die an eine die beiden Gelenkarme 4 verbindende Traverse 7 angreifen und die dafür sorgen, dass die Plattform abgesetzt (Figur 2) oder angehoben werden kann, wie sich dies aus den Figuren 3 und 4 ergibt. Zum Einziehen des Schlittens in das Gehäuse des Busses ist der Antrieb 8 vorgesehen.According to FIG. 1 has the lifting device designated 1, the platform 2, wherein the platform 2, the bridge plate 3 designated pivotable receives. In addition, recognizable are the two articulated arms 4 (FIG. FIG. 2 ff), which are arranged on the one hand on the platform 2, and on the other hand articulated to the carriage 5 generally designated. The carriage 5 also has the two piston cylinder drives 6, which engage a connecting the two articulated arms 4 traverse 7 and ensure that the platform deposed ( FIG. 2 ) or raised, as can be seen from the Figures 3 and 4 results. For retraction of the carriage in the housing of the bus, the drive 8 is provided.

Gegenstand der eigentlichen Erfindung ist nunmehr die Zwangssteuerung der Brückenplatte durch das Schubgestänge 10. Das Schubgestänge 10 umfasst einen Gabelarm 11, der an der Plattform 2 durch eine Achse 11a schwenkbeweglich gelagert ist. Der Gabelarm 11 weist an seinem einen Ende über ein Zwischenglied 11 b die Schubstange 12 auf. Die Schubstange 12 ist an der Plattform in Richtung des Pfeils 13 axial beweglich gelagert. Der Gabelarm 11 a weist an seinem oberen Ende die Gabel 15 auf, wobei in der Gabel 15 ein Stift 17 drehbar lagert, der an dem Gelenkarm 4 befestigt ist.The subject of the actual invention is now the forced control of the bridge plate by the push rod 10. The push rod 10 includes a fork arm 11 which is pivotally mounted on the platform 2 by an axis 11a. The fork arm 11 has at its one end via an intermediate member 11 b, the push rod 12. The push rod 12 is mounted on the platform in the direction of arrow 13 axially movable. The fork arm 11 a has at its upper end the fork 15, wherein in the fork 15 a pin 17 rotatably supports, which is fixed to the articulated arm 4.

Betrachtet man nunmehr die Schwenkachse 20 zur Aufnahme der Brückenplatte 3, so ergibt sich, dass die Schwenkachse 20 an ihrem einen, im Einbauzustand unteren Ende einen Aufstellnocken 21 und an ihrem anderen oberen Ende einen Anschlagnocken 22 aufweist. Der Aufstellnocken 21 arbeitet mit der Schubstange 12 zusammen; oberhalb der Schubstange 12 befindet sich der insgesamt mit 30 bezeichnete Anschlag. Der Anschlag 30 umfasst eine Anschlagstange 31, die in Richtung des Pfeils 35 gegen die Kraft der Feder 33 verschieblich ist. Die Anschlagstange 31 weist endseitig einen Anschlagkopf 32 auf, der mit dem Anschlagnocken 22 zusammenwirkt.Looking now at the pivot axis 20 for receiving the bridge plate 3, it follows that the pivot axis 20 at its one, in the installed state lower end a Aufstellnocken 21 and at its other upper end a stop cam 22 has. The Aufstellnocken 21 cooperates with the push rod 12; above the push rod 12 is the total designated 30 stop. The stop 30 comprises a stop rod 31 which is displaceable in the direction of the arrow 35 against the force of the spring 33. The stop rod 31 has an end stopper head 32 which cooperates with the stop cam 22.

Ausgehend der Figur 2 bzw. Figur 2a stellt sich die Funktionsweise der Hubvorrichtung in Bezug das Schubgestänge 10 wie folgt dar: Im Zustand gemäß Figur 2 befindet sich die mit 2 bezeichnete Plattform beispielsweise auf dem Boden und ermöglicht dem Rollstuhlfahrer auf die Plattform aufzufahren. Nunmehr wird mit Hilfe des Kolbenzylinderantriebes 6, der an der Traverse 7 angelenkt ist, die die beiden Gelenkarme 4 verbindet, die Plattform 3 über eine Stellung gemäß Figur 3 in die Stellung gemäß Figur 4 überführt. Beim Anheben der Plattform 2 verändern die Gelenkarme 4 ihre Stellung relativ zur Plattform 2. Wie bereits ausgeführt besteht durch den Stift 17, der an dem Gelenkarm 4 angeordnet ist, und der Gabel 15 des Gabelarms 11 eine Verbindung mit der Schubstange 12. Bei Anheben der Plattform 2 bewegt sich die Gabel 15 in Richtung des Pfeils 18 um die Achse 11 a. Hierbei wird die Schubstange aus der Stellung gemäß Figur 2 in Richtung der Plattform 2 gezogen. In der Stellung gemäß Figur 2 ist die Schwenkachse 20 blockiert, und zwar insofern, als die Schwenkachse 20 mit ihrem Aufstellnocken 21 auf der Schubstange 12 aufsitzt, wie dies unmittelbar in Anschauung von Figur 2a erkennbar ist. Wird nun - wie bereits ausgeführt - die Schubstange 12 in Richtung der Plattform gezogen, dann verdreht sich die Schwenkachse 20 mit dem Aufstellnocken 21 an der Stirnseite der Schubstange 12 anliegend in Richtung des Pfeils 19. Dies ermöglicht der Brückenplatte eine Verschwenkung in Richtung des Pfeils 9, wobei in der Endstellung die Brückenplatte eine Stellung gemäß Figur 4 einnimmt und dem Rollstuhlfahrer es ermöglicht, von der Plattform 2 in das Innere des Busses zu gelangen.Starting from the FIG. 2 respectively. FIG. 2a the operation of the lifting device in relation to the push rod 10 is as follows: In the state according to FIG. 2 For example, the platform labeled 2 is on the ground and allows the wheelchair user to access the platform. Now, with the aid of the piston-cylinder drive 6, which is articulated on the traverse 7, which connects the two articulated arms 4, the platform 3 via a position according to FIG. 3 in the position according to FIG. 4 transferred. When lifting the platform 2, the articulated arms 4 change their position relative to the platform 2. As already stated by the pin 17, which is arranged on the articulated arm 4, and the fork 15 of the fork arm 11 a connection with the push rod 12. When lifting the Platform 2, the fork 15 moves in the direction of arrow 18 about the axis 11 a. Here, the push rod from the position according to FIG. 2 pulled in the direction of the platform 2. In the position according to FIG. 2 the pivot axis 20 is blocked, inasmuch as the pivot axis 20 is seated with its Aufstellnocken 21 on the push rod 12, as directly in the view of FIG. 2a is recognizable. If now - as already stated - the push rod 12 is pulled in the direction of the platform, then the pivot axis 20 rotates with the Aufstellnocken 21 on the front side of the push rod 12 adjacent in the direction of arrow 19. This allows the bridge plate pivoting in the direction of arrow. 9 , In the end position, the bridge plate a position according to FIG. 4 occupants and allows the wheelchair user to get from the platform 2 into the interior of the bus.

Wird die Hubvorrichtung nun nicht mehr benötigt, so muss sie in das Gehäuse 50 im Wagenkasten des Busses eingezogen werden. Hierzu wird die Plattform in eine Stellung gemäß Figur 3 überführt. Der Schlitten 5 zieht dann die Plattform 2 in Richtung des Pfeils 53 ein, wobei dann, wenn die Brückenplatte 3 an die Stirnseite 51 des Gehäuses 50 anschlägt, die Brückenplatte 3 entgegen der Richtung des Pfeils 9 verschwenkt wird. Hierbei wird der Anschlagkopf 32 der Anschlagstange 31 durch den Anschlagnocken 22 der Schwenkachse 20 in Richtung des Pfeils 35 verschoben, wobei hierbei die Feder 33 zusammengedrückt, also vorgespannt wird. Das heißt, im eingezogenen Zustand der Plattform liegt die Brückenplatte 3 auf der Plattform 2 auf, wobei hierbei die Feder 33 des Anschlags 30 vorgespannt ist. Unmittelbar nach Ausfahren der Plattform wird sich insofern die Brückenplatte unmittelbar aufstellen, um zu verhindern, dass im Bus anstehende Personen auf die sich absenkende Plattform aufsteigen.If the lifting device is no longer needed, it must be retracted into the housing 50 in the car body of the bus. For this purpose, the platform is in a position according to FIG. 3 transferred. The carriage 5 then retracts the platform 2 in the direction of the arrow 53, wherein when the bridge plate 3 abuts against the end face 51 of the housing 50, the Bridge plate 3 is pivoted against the direction of the arrow 9. Here, the stopper head 32 of the stopper rod 31 is displaced by the stop cam 22 of the pivot axis 20 in the direction of the arrow 35, wherein in this case the spring 33 is compressed, that is biased. That is, in the retracted state of the platform, the bridge plate 3 rests on the platform 2, wherein in this case the spring 33 of the stopper 30 is biased. Immediately after extending the platform, the bridge plate is set up so far in order to prevent rising in the bus people ascend to the lowering platform.

Claims (5)

Rollstuhlhubvorrichtung (1) zur Anbringung an einem Fahrzeug, z. B. einem Bus oder einem Schienenfahrzeug, umfassend eine Plattform (2) mit daran schwenkbar angelenkter Brückenplatte (3), wobei die Plattform (2) durch mindestens einen Schlitten (5) gehalten ist, wobei der Schlitten (5) in einem Gehäuse (50) des Fahrzeugs ein- und ausfahrbar gelagert ist, wobei der Schlitten (5) mit der Plattform (2) durch zwei zu beiden Seiten der Plattform angeordnete Gelenkarme (4) verbunden ist, wobei der Schlitten (5) mindestens einen Antrieb (6) zur Verbindung mit den Gelenkarmen (4) aufweist, wobei die Brückenplatte durch eine Schwenkachse (20) in der Plattform (2) schwenkbar gelagert ist, wobei ein Schubgestänge (10) vorgesehen ist, das an einem Ende mit dem mindestens einen Gelenkarm (4) zwangsgekoppelt ist, und das am anderen Ende mit der Schwenkachse (20) der Brückenplatte (3) die Schwenkachse (20) drehend in Verbindung steht,
dadurch gekennzeichnet,
dass ein auf die Schwenkachse (20) wirkender Anschlag (30) vorgesehen ist, der federbelastet ist, so dass bei ausgefahrener Rampenplattfiorm durch den federbelasteten Anschlag die Brückenplatte (3) aufgeschwenkt wird.Wheelchair lift (1) for attachment to a vehicle, e.g. B. a bus or a rail vehicle, comprising a platform (2) pivotally hinged thereto bridge plate (3), wherein the platform (2) by at least one carriage (5) is held, wherein the carriage (5) in a housing (50 The carriage (5) is connected to the platform (2) by two articulated arms (4) arranged on both sides of the platform, wherein the carriage (5) has at least one drive (6) Connection with the articulated arms (4), wherein the bridge plate by a pivot axis (20) in the platform (2) is pivotally mounted, wherein a push rod (10) is provided, which forcibly coupled at one end to the at least one articulated arm (4) is, and at the other end with the pivot axis (20) of the bridge plate (3) the pivot axis (20) rotatably connected,
characterized,
that on the pivot axis (20) acting stop (30) is provided which is spring-loaded, so that when extended Rampenplattfiorm the bridge plate (3) is swung open by the spring-loaded stop. Rollstuhlhubvorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass das Schubgestänge (10) einen Gabelarm (11) umfasst, wobei der Gabelarm (11) endseitig eine Gabel (15) aufweist, die formschlüssig und verdrehbar mit dem mindestens einen Gelenkarm (4) in Verbindung steht.Wheelchair lifting device according to claim 1,
characterized,
in that the push rod (10) comprises a fork arm (11), the fork arm (11) having at its end a fork (15) which is positively and rotatably connected to the at least one articulated arm (4). Rollstuhlhubvorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass der Gabelarm (11) schwenkbar an der Plattform (2) gelagert ist.Wheelchair lifting device according to one of the preceding claims,
characterized,
that the fork arm (11) is pivotally mounted on the platform (2). Rollstuhlhubvorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass der Gelenkarm (4) eine Schubstange (12) aufweist, und dass die Schwenkachse (20) zur Aufnahme der Brückenplatte (3) einen Aufstellnocken (21) besitzt, der in Verbindung mit der Schubstange (12) steht.Wheelchair lifting device according to one of the preceding claims,
characterized,
in that the articulated arm (4) has a push rod (12), and in that the pivot axis (20) for receiving the bridge plate (3) has an erection cam (21) which is in connection with the push rod (12). Rollstuhlhubvorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass der Anschlag (30) eine Anschlagstange (31) umfasst, die bei Drehung der Schwenkachse (20) durch den an der Schwenkachse (20) angeordneten Anschlagnocken (22) gegen die Kraft einer Feder (33) verschieblich ist.Wheelchair lifting device according to claim 1,
characterized,
that the stop (30) comprises a stop bar (31) which is arranged upon rotation of the pivot axis (20) through the at the pivot axis (20), stop cams (22) against the force of a spring (33) is displaceable.
EP08011969A 2007-12-12 2008-07-03 Wheelchair lifting device Active EP2070498B1 (en)

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Also Published As

Publication number Publication date
US20090151094A1 (en) 2009-06-18
EP2070498A3 (en) 2011-05-04
PL2070499T3 (en) 2013-01-31
US20090155037A1 (en) 2009-06-18
DE102007059943A1 (en) 2009-06-25
EP2070499A2 (en) 2009-06-17
EP2070499A3 (en) 2011-08-10
EP2070499B1 (en) 2012-08-29
DE102007059943B4 (en) 2010-02-04
EP2070498B1 (en) 2012-08-29
PL2070498T3 (en) 2013-01-31
US7810198B2 (en) 2010-10-12

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