EP2070499A2 - Wheelchair lifting device - Google Patents
Wheelchair lifting device Download PDFInfo
- Publication number
- EP2070499A2 EP2070499A2 EP08013384A EP08013384A EP2070499A2 EP 2070499 A2 EP2070499 A2 EP 2070499A2 EP 08013384 A EP08013384 A EP 08013384A EP 08013384 A EP08013384 A EP 08013384A EP 2070499 A2 EP2070499 A2 EP 2070499A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- platform
- lifting device
- ramp
- wheelchair lifting
- plate
- 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
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- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000000969 carrier Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- 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
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- 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
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- 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 ,
- 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.
- To set up the handrails on both sides of the ramp platform each separate drives are provided for the right and left handrail.
- 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 piston-cylinder drives for lowering and raising the platform and two piston-cylinder drives for pivoting the bridge plate; further drives are provided for the handrails.
- 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.
- a motorized ramp plate for pivoting from a horizontal to a vertical position.
- the ramp panel prevents the wheelchair from rolling down the ramp platform; in horizontal position it serves as a Auffahr kau.
- manual handrails are provided on both sides in the ramp platform.
- the object underlying the invention is, in a Rollstuhlhubvorraum of the type mentioned in an inexpensive manner, i. E. With as few drives as possible, to accomplish both the lifting movement, as well as the retraction movement of the platform and the installation of the handrails.
- the invention provides that a linkage arrangement is provided on each side of the platform, which is positively coupled with the articulated arm on the one hand and on the other hand is operatively connected to the pivot axis for pivoting the bridge plate, wherein the linkage arrangement by a connecting arm with a in the Platform longitudinally displaceably guided positive guide for a guide member of a handrail for folding and unfolding the handrail is connected.
- the linkage arrangement comprises here on the one hand a fork arm and a push rod and on the other hand a stop rod.
- the fork arm adjoins the push rod, which push rod is in engagement with the pivot axis of the bridge plate.
- the pivot axis has a Aufstellnocken
- the Aufstellnocken abuts when lifting the platform at the end of the push rod, with further lifting of the platform, the bridge plate in accordance with the position of the platform is now folded back and the wheelchair user access to the Interior of the vehicle, z. B. the bus allows.
- the so-called stop is provided as part of the linkage arrangement, 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 against the force of a spring upon rotation of the pivot axis through the arranged on the pivot axis stop cam.
- the bridge plate can not swing away in this state to the rear, since the push rod rests against the Aufstellnocken the pivot axis of the bridge plate and prevents insofar that the bridge plate pivots in the remote state further than about 90 °. From this it is clear that the push rod blocks the pivot axis via the Aufstellnocken. If the platform is then raised, then the bridge plate is pivoted beyond 90 ° to a maximum of 180 °, which then reaches the bridge plate when the platform is in a plane with the vehicle floor.
- the linkage arrangement is coupled by a connecting arm with a longitudinal guide displaceably guided in the platform.
- the handrail has a guide member for receiving through the forced operation for folding up and down the handrail.
- the linkage arrangement comprises a push linkage, which is forcibly coupled at one end to the one articulated arm and at the other end is rotatably connected to the pivot axis of the bridge plate, the pivot axis.
- the linkage arrangement comprises a stop rod as part of the stop, which is displaceable in particular against the force of a spring upon rotation of the pivot axis by the arranged on the pivot axis stop cam.
- This stop rod as part of the linkage assembly is now in communication with the connecting arm, which is finally coupled to the positive guide, which receives a guide member of the handrail for folding and unfolding the handrail.
- the associated stop rod is then also moved, which has the consequence that the forced operation, which is in particular designed in the manner of a link with a guide groove for receiving the guide member, is moved along the ramp platform.
- the backdrop is formed in cross-section circular arc particular in the manner of a quarter circle and consequently the guide groove in the scenery a course in the manner of an elongated 'Z', wherein in the respective end position, the guide member in the respective end leg of the 'Z' rests, is As a result, the handrail off or unfolded.
- the folding down takes place in that the guide member, which is guided, for example in the manner of a roller in the guide, from the lower leg of the elongated 'Z' due to the sliding movement of the gate in the upper leg of the elongated 'Z' passes, and this - As already stated - the handrail closes on the top of the platform.
- the platform has a pivotable ramp plate at the end opposite the bridge plate, wherein a drive motor is provided for pivoting the ramp plate.
- the ramp plate not only the driveway of the wheelchair user on the ramp is facilitated, but this ramp plate also serves to prevent the wheelchair unintentionally rolls down from the ramp during the lifting process.
- the ramp plate remains in the raised position, ie in the closed position, as long as the wheelchair user is on the platform. That is, the control of the pivotal movement of the ramp plate must be independent of the position of the ramp. In this respect, a forced coupling prohibits the position of the ramp plate with the position of the platform.
- the platform has a carrier on both sides, on each of which an articulated arm engages, wherein the ramp plate is pivotally supported by the carrier. In the raised state of the Rampebleches is prevented by a locking pin that the ramp plate can fold down.
- the arranged on the support drive motor has a shaft with a thread, corresponding thereto, the ramp plate for receiving the threaded shaft has a female thread, so that at Rotation of the shaft, the ramp plate is displaceable parallel to its longitudinal axis, wherein after displacement of the ramp plate by a predetermined amount of length, which corresponds approximately to the length of the carrier protruding over the locking pin, the threaded shaft is located at the stop of the nut thread, wherein upon further rotation of the threaded shaft, the ramp plate is pivoted by the drive motor in the horizontal position.
- the ramp plate is brought out of engagement with the first locking pin by the longitudinal displacement of the ramp plate, which ensures as a mechanical safeguard that the ramp plate does not fold down, and only then the pivoting operation is performed.
- the pivoting takes place counter to the force of a spring, in particular a spiral spring, which is preferably arranged on the other support of the platform.
- the motor receives the signal for reversing, wherein the folding is supported by the coil spring.
- a second locking pin which holds the ramp plate in the folded position, retracted so that the ramp plate is exposed for folding.
- the ramp plate is moved by the threaded shaft in conjunction with the nut thread in the ramp plate in its initial position and fixed there by the first locking pin.
- the lifting device designated 1 has the platform 2, the platform 2 pivotally receiving the bridge plate 3.
- 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.
- a linkage arrangement 14 comprising the pushrod 10 and the stopper rod 31 of the stopper 30.
- the pushrod 10 comprises a forked arm 11, which is pivotally mounted on the platform 2 by an axle 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 with respect to the push linkage 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 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.
- 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 strikes 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.
- the bridge plate either horizontally allows the wheelchair user to enter the bus, or the bridge plate is in a vertical position.
- the compound of Stop rod 31 with the connecting arm 42 which in turn is coupled to the positive guide 43, which is designed in the manner of a link, and has a guide groove 44 has.
- the groove 44 is formed in the manner of a roller guide member 45 which is fixed to the foot of the handrail.
- the gate 43 which is mounted displaceably on the two rods 46, is formed in a circular arc, and here in particular in the manner of a quarter circle.
- the handrail 40 By moving the gate 43 in the direction of arrow 47, the handrail 40 is now folded down, as in the following with reference to FIGS. 5 to 8 is recognizable.
- the foot 40a of the handrail is pivotally mounted on the carrier 2a, 2b. Spaced to the pivot axis 40b is the roller 45, so that it performs a circular movement upon pivoting of the foot 40a, which correlates with the course of the groove 44.
- the stop rod 31 is displaced in the direction of the arrow 47.
- the connecting arm 42 is displaced in the same direction, causing the spring 48 to be biased.
- D. h. That when folding the handrail 40 on the one hand, the gate 43 is moved in the direction of arrow 47 and on the other hand in this case the spring 48 is tensioned, since this is supported on the stop 49.
- the stop 49a At the opposite end is the stop 49a.
- the roller 45 moves in the groove from the position according to Fig. 2 in the position according to Fig. 8 , The folding of the handrail 40 takes place here forcibly in that the roller 45 is displaced in the groove 44, from the lower leg of the elongated Z-shaped groove 44 to the upper leg of the elongated Z-shaped groove.
- the gate 43 is formed in the manner of a quarter circle and has at their ends in each case wall plates 43a, the holes 43b for receiving through the rods 46 show.
- the groove 44 in the form of an elongated Z has the upper and lower legs 44a, 44b, in which the roller 45 rests in the respective end position.
- the ramp plate 60 is mounted in the carriers 2 a, 2 b on the sides of the platform 2.
- the carriers 2a, 2b are U-shaped.
- the carrier 2a shows the motor 61, the motor 61 having a threaded shaft which cooperates with a female thread in the ramp plate ( Figure 10c).
- the ramp plate 60 shifts in the direction of arrow Z, as this is in the view of Fig. 10 and Fig. 11 results. This is because the ramp plate by the threaded shaft 61 a of the motor on the one hand and the female thread 61 b ( Fig. 12a ) in the ramp plate 60 on the other hand experiences an axial displacement upon rotation of the shaft.
- the driver 75 At the ramp plate 60 is the driver 75, which is guided according to the pivotal movement of the ramp plate in a circular arc-shaped groove 76 ( Fig. 10b . Fig. 12b ).
- the driver 75 On the driver is the one arm of the coil spring 70. In the position according to Fig. 10b the spring is unstretched; in the position according to Fig. 12b however, excited. If now the ramp plate 16 are folded, the locking pin 63a is withdrawn and therefore the ramp plate 60 is released.
- the ramp plate Due to the force of the preloaded coil spring and reversing the motor, the ramp plate is first folded up, and then moved by the threaded shaft 65 in conjunction with the female thread 61 b against the arrow Z, in the end position then turn the locking pin 63 engages and the ramp plate in high position secured.
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Abstract
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.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 ,
Gegenstand der niederländischen Patentschrift
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
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; weitere Antriebe sind für die Handläufe vorgesehen.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 piston-cylinder drives for lowering and raising the platform and two piston-cylinder drives for pivoting the bridge plate; further drives are provided for the handrails.
Aus der
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.
Auf der der Brückenplatte gegenüberliegenden Seite der Rampenplattform befindet sich ein motorbetriebenes Rampenblech zum Verschwenken von einer horizontalen in eine vertikale Lage. In der vertikalen Stellung verhindert das Rampenblech ein Herabrollen des Rollstuhls von der Rampenplattform; in horizontaler Stellung dient es als Auffahrhilfe. Des Weiteren sind in der Rampenplattform zu beiden Seiten per Hand aufstellbare Handläufe vorgesehen.On the side opposite the bridge platform of the ramp platform is a motorized ramp plate for pivoting from a horizontal to a vertical position. In the vertical position, the ramp panel prevents the wheelchair from rolling down the ramp platform; in horizontal position it serves as a Auffahrhilfe. Furthermore, manual handrails are provided on both sides in the ramp platform.
Die der Erfindung zugrunde liegende Aufgabe besteht darin, bei einer Rollstuhlhubvorrichtung der eingangs genannten Art auf preiswerte Art und Weise, d.h. mit möglichst wenig Antrieben, sowohl die Hubbewegung, als auch die Einfahrbewegung der Plattform und auch die Aufstellung der Handläufe zu bewerkstelligen.The object underlying the invention is, in a Rollstuhlhubvorrichtung of the type mentioned in an inexpensive manner, i. E. With as few drives as possible, to accomplish both the lifting movement, as well as the retraction movement of the platform and the installation of the handrails.
Zur Lösung der Aufgabe ist erfindungsgemäß vorgesehen, dass zu jeder Seite der Plattform eine Gestängeanordnung vorgesehen ist, die einerseits mit dem Gelenkarm zwangsgekoppelt ist und die andererseits mit der Schwenkachse zum Verschwenken der Brückenplatte in Wirkverbindung steht, wobei die Gestängeanordnung durch einen Verbindungsarm mit einer in der Plattform längs verschieblich geführten Zwangsführung für ein Führungsglied eines Handlaufes zum Auf- und Abklappen des Handlaufes verbunden ist. Die Gestängeanordnung umfasst hierbei einerseits einen Gabelarm und eine Schubstange und andererseits eine Anschlagstange. Der Gabelarm schließt sich an die 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 besitzt, der mit der Schubstange zusammenwirkt, ohne dass dort eine stoffliche Verbindung bestehen müsste. Geht man nun 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 relativ zur Plattform nach Art eines Paralellogrammlenkers verändern. Dies bedingt eine Änderung der Stellung der Gabel des Gelenkarmes relativ zum Gelenkarm, was gleichzeitig eine Verschiebung der Schubstange, die mit dem Gelenkarm in Verbindung steht, hervorruft. D. h. die Schubstange wird sich in Richtung der Schwenkachse der Brückenplatte zu oder von dieser wegbewegen. Wie bereits ausgeführt, besitzt die Schwenkachse einen Aufstellnocken, wobei der Aufstellnocken bei Anheben der Plattform am Ende der Schubstange anliegt, 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.To achieve the object, the invention provides that a linkage arrangement is provided on each side of the platform, which is positively coupled with the articulated arm on the one hand and on the other hand is operatively connected to the pivot axis for pivoting the bridge plate, wherein the linkage arrangement by a connecting arm with a in the Platform longitudinally displaceably guided positive guide for a guide member of a handrail for folding and unfolding the handrail is connected. The linkage arrangement comprises here on the one hand a fork arm and a push rod and on the other hand a stop rod. The fork arm adjoins the push rod, which push rod is in engagement 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 a Cam has, which cooperates with the push rod, without that there would have to be a material connection. If one now assumes the extended state of the platform, ie the platform stands on the ground and one continues to assume that starting from this lower position, the platform is raised, then when lifting the platform by the articulated arms, the angle relative to Change platform in the manner of a parallelogram handlebar. This causes a change in the position of the fork of the articulated arm relative to the articulated arm, which simultaneously causes a displacement of the push rod, which is in communication with the articulated arm. Ie. the push rod will move in the direction of the pivot axis of the bridge plate to or from this. As already stated, the pivot axis has a Aufstellnocken, the Aufstellnocken abuts when lifting the platform at the end of the push rod, with further lifting of the platform, the bridge plate in accordance with the position of the platform is now folded back and the wheelchair user access to the Interior of the vehicle, z. B. the bus allows.
In diesem Zusammenhang ist der sogenannte Anschlag als Teil der Gestängeanordnung 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 entgegen der Kraft einer Feder verschieblich ist. 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 Aufstellnocken wirkt, aufstellt und in eine Position im Wesentlichen senkrecht zur Plattform übergeht, in der sie dann verbleibt. Die Brückenplatte 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 weiter als etwa 90° ausschwenkt. 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° hinaus bis maximal 180°, die die Brückenplatte dann erreicht, wenn sich die Plattform in einer Ebene mit dem Fahrzeugboden befindet.In this context, the so-called stop is provided as part of the linkage arrangement, 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 against the force of a spring upon rotation of the pivot axis through the arranged on the pivot axis stop cam. 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 carriage, the bridge plate is due to the spring-loaded stopper, which acts on the Aufstellnocken, and into a position substantially perpendicular to the platform in which it passes then remains. The bridge plate can not swing away in this state to the rear, since the push rod rests against the Aufstellnocken the pivot axis of the bridge plate and prevents insofar that the bridge plate pivots in the remote state further than about 90 °. From this it is clear that the push rod blocks the pivot axis via the Aufstellnocken. If the platform is then raised, then the bridge plate is pivoted beyond 90 ° to a maximum of 180 °, which then reaches the bridge plate when the platform is in a plane with the vehicle floor.
Wie bereits ausgeführt, ist die Gestängeanordnung durch einen Verbindungsarm mit einer in der Plattform längs verschieblich geführten Zwangsführung gekoppelt. Der Handlauf besitzt ein Führungsglied zur Aufnahme durch die Zwangsführung zum Auf- und Abklappen des Handlaufes. Wie ebenfalls bereits erwähnt, umfasst die Gestängeanordnung ein Schubgestänge, was an einem Ende mit dem einen Gelenkarm zwangsgekoppelt ist und am anderen Ende mit der Schwenkachse der Brückenplatte die Schwenkachse drehend in Verbindung steht. Des Weiteren umfasst die Gestängeanordnung eine Anschlagstange als Teil des Anschlags, die bei Drehung der Schwenkachse durch den an der Schwenkachse angeordneten Anschlagnocken insbesondere entgegen der Kraft einer Feder verschieblich ist. Diese Anschlagstange als Teil der Gestängeanordnung steht nun in Verbindung mit dem Verbindungsarm, der schlussendlich gekoppelt ist mit der Zwangsführung, die ein Führungsglied des Handlaufes zum Auf- und Abklappen des Handlaufes aufnimmt. Das bedeutet, dass bei Verschiebung der Anschlagstange zwangsweise auch der Verbindungsarm verschoben wird, mit der Folge, dass insbesondere dann, wenn aufgrund des Einzugs des Schlittens die Rampenplattform ebenfalls eingezogen wird, und die Brückenplatte an das Gehäuse des Fahrzeugs anschlägt, hierbei die Brückenplatte auf die Plattform zu verschwenkt wird, wobei hierbei zwangsweise die Schwenkachse verdreht wird. Hierbei wird dann ebenfalls die damit in Verbindung stehende Anschlagstange verschoben, was zur Folge hat, dass die Zwangsführung, die insbesondere nach Art einer Kulisse mit einer Führungsnut zur Aufnahme des Führungsgliedes ausgebildet ist, längs der Rampenplattform verschoben wird. Da die Kulisse im Querschnitt kreisbogenförmig insbesondere nach Art eines Viertelkreises ausgebildet ist und infolgedessen die Führungsnut in der Kulisse einen Verlauf nach Art eines langgestreckten 'Z' aufweist, wobei in der jeweiligen Endstellung das Führungsglied in dem jeweiligen endseitigen Schenkel des 'Z' ruht, wird hierdurch der Handlauf ab- oder aufgeklappt. Im Einzelnen erfolgt das Abklappen dadurch, dass das Führungsglied, das beispielsweise nach Art einer Rolle in der Führungsnut geführt ist, von dem unteren Schenkel des langgestreckten 'Z' aufgrund der Verschiebebewegung der Kulisse in den oberen Schenkel des langgezogenen 'Z' übergeht, und hierbei - wie bereits ausgeführt - der Handlauf auf die Oberseite der Plattform zuklappt.As already stated, the linkage arrangement is coupled by a connecting arm with a longitudinal guide displaceably guided in the platform. The handrail has a guide member for receiving through the forced operation for folding up and down the handrail. As also already mentioned, the linkage arrangement comprises a push linkage, which is forcibly coupled at one end to the one articulated arm and at the other end is rotatably connected to the pivot axis of the bridge plate, the pivot axis. Furthermore, the linkage arrangement comprises a stop rod as part of the stop, which is displaceable in particular against the force of a spring upon rotation of the pivot axis by the arranged on the pivot axis stop cam. This stop rod as part of the linkage assembly is now in communication with the connecting arm, which is finally coupled to the positive guide, which receives a guide member of the handrail for folding and unfolding the handrail. This means that upon displacement of the stop rod forcibly also the connecting arm is moved, with the result that especially when due to the collection of the carriage, the ramp platform is also retracted, and the bridge plate strikes the housing of the vehicle, in this case the bridge plate on the Platform is pivoted to, in this case Forcibly the pivot axis is rotated. Here, the associated stop rod is then also moved, which has the consequence that the forced operation, which is in particular designed in the manner of a link with a guide groove for receiving the guide member, is moved along the ramp platform. Since the backdrop is formed in cross-section circular arc particular in the manner of a quarter circle and consequently the guide groove in the scenery a course in the manner of an elongated 'Z', wherein in the respective end position, the guide member in the respective end leg of the 'Z' rests, is As a result, the handrail off or unfolded. In detail, the folding down takes place in that the guide member, which is guided, for example in the manner of a roller in the guide, from the lower leg of the elongated 'Z' due to the sliding movement of the gate in the upper leg of the elongated 'Z' passes, and this - As already stated - the handrail closes on the top of the platform.
Nach einem besonderen Merkmal der Erfindung ist vorgesehen, dass bei Verschiebung der Anschlagstange durch Verdrehen der Schwenkachse der mit der Anschlagstange verbundene Verbindungsarm gegen eine Federkraft gespannt wird, so dass das Einklappen der Handläufe entgegen dieser Federkraft erfolgt. Dies hat zur Folge, dass beim Herausfahren der Plattform unmittelbar dann, wenn die Anschlagstange durch die Brückenplatte nicht mehr in ihrer ausgerückten Stellung gehalten wird, aufgrund der Kraft der Feder, die durch den Verbindungsarm beim Zusammenfahren des Brückenbleches vorgespannt worden ist, der Handlauf aufgrund der Vorspannung der Feder sich quasi von selbst aufstellt. D. h. aufgrund der Kraft der Feder, die durch den Verbindungsarm gespannt worden ist, wird schlussendlich die Zwangsführung, d. h. die Kulisse, in ihre Ausgangsstellung zurückverschoben.According to a particular feature of the invention it is provided that upon displacement of the stop rod by turning the pivot axis of the connecting rod connected to the connecting arm is clamped against a spring force, so that the folding of the handrails takes place against this spring force. This has the consequence that when moving out of the platform immediately when the stop bar is no longer held in its disengaged position by the bridge plate, due to the force of the spring, which has been biased by the connecting arm when moving the bridge plate, the handrail due to Preloading the spring is quasi self-erecting. Ie. due to the force of the spring, which has been stretched by the connecting arm, the forced operation, ie the slide, is finally shifted back to its starting position.
Nach einem weiteren Merkmal der Erfindung ist vorgesehen, dass die Plattform an dem der Brückenplatte gegenüberliegenden Ende ein verschwenkbares Rampenblech aufweist, wobei zum Verschwenken des Rampenbleches ein Antriebsmotor vorgesehen ist.According to a further feature of the invention it is provided that the platform has a pivotable ramp plate at the end opposite the bridge plate, wherein a drive motor is provided for pivoting the ramp plate.
Durch das Rampenblech wird nicht nur die Auffahrt des Rollstuhlfahrers auf die Rampe erleichtert, vielmehr dient dieses Rampenblech auch dazu zu verhindern, dass der Rollstuhlfahrer unbeabsichtigt von der Rampe während des Hubvorganges herunterrollt. Im Prinzip ist erforderlich, dass das Rampenblech in hochgestellter Position, also in Schließstellung verbleibt, solange sich der Rollstuhlfahrer auf der Plattform befindet. D. h., die Steuerung der Schwenkbewegung des Rampenbleches muss unabhängig von der Stellung der Rampe erfolgen. Insofern verbietet sich eine Zwangskopplung der Stellung des Rampenbleches mit der Stellung der Plattform.By the ramp plate not only the driveway of the wheelchair user on the ramp is facilitated, but this ramp plate also serves to prevent the wheelchair unintentionally rolls down from the ramp during the lifting process. In principle, it is necessary that the ramp plate remains in the raised position, ie in the closed position, as long as the wheelchair user is on the platform. That is, the control of the pivotal movement of the ramp plate must be independent of the position of the ramp. In this respect, a forced coupling prohibits the position of the ramp plate with the position of the platform.
Insofern ist eine gesonderte Ansteuerung des Rampenbleches nur durch einen gesonderten Antrieb möglich.In this respect, a separate control of the ramp plate is possible only by a separate drive.
Im Einzelnen ist insofern vorgesehen, dass die Plattform zu beiden Seiten einen Träger aufweist, an dem jeweils der eine Gelenkarm angreift, wobei durch die Träger das Rampenblech verschwenkbar gehalten ist. Im hochgestellten Zustand des Rampebleches wird durch einen Sicherungsstift verhindert, dass das Rampenblech abklappen kann. Um nun dafür Sorge zu tragen, dass das Rampenblech zur Einleitung des Abklappvorganges durch den Sicherungsstift nicht behindert wird, weist der am Träger angeordnete Antriebsmotor eine Welle mit einem Gewinde auf, wobei korrespondierend hierzu das Rampenblech zur Aufnahme der Gewindewelle ein Muttergewinde aufweist, so dass bei Drehung der Welle das Rampenblech parallel zu seiner Längsachse verschieblich ist, wobei nach Verschiebung des Rampenbleches um einen vorbestimmten Längenbetrag, der etwa der Länge des über den Träger vorstehenden Sicherungsstiftes entspricht, die Gewindewelle sich am Anschlag des Muttergewindes befindet, wobei bei weiterer Drehung der Gewindewelle das Rampenblech durch den Antriebsmotor in die horizontale Lage verschwenkt wird. Das bedeutet, dass zunächst durch die Längsverschiebung des Rampenbleches das Rampenblech außer Eingriff mit dem ersten Sicherungsstift gebracht wird, der als mechanische Sicherung dafür sorgt, dass das Rampenblech nicht abklappt, und erst dann der Schwenkvorgang vorgenommen wird. Hierbei ist insbesondere vorgesehen, dass das Ausschwenken entgegen der Kraft einer Feder, insbesondere einer Spiralfeder erfolgt, die vorzugsweise am anderen Träger der Plattform angeordnet ist. Soll nun das Rampenblech eingeschwenkt werden, erhält der Motor das Signal zur Reversierung, wobei das Einklappen durch die Spiralfeder unterstützt wird. Vorher wird ein zweiter Sicherungsstift, der das Rampenblech in abgeklappter Stellung hält, zurückgezogen, so dass das Rampenblech zum Einklappen frei liegt. Nach Abschluss des Einklappvorgangs wird das Rampenblech durch die Gewindewelle in Verbindung mit dem Muttergewinde in dem Rampenblech in seine Ausgangslage verfahren und dort durch den ersten Sicherungsstift fixiert.Specifically, it is provided that the platform has a carrier on both sides, on each of which an articulated arm engages, wherein the ramp plate is pivotally supported by the carrier. In the raised state of the Rampebleches is prevented by a locking pin that the ramp plate can fold down. In order to ensure that the ramp plate for initiating the Abklappvorganges is not hindered by the locking pin, the arranged on the support drive motor has a shaft with a thread, corresponding thereto, the ramp plate for receiving the threaded shaft has a female thread, so that at Rotation of the shaft, the ramp plate is displaceable parallel to its longitudinal axis, wherein after displacement of the ramp plate by a predetermined amount of length, which corresponds approximately to the length of the carrier protruding over the locking pin, the threaded shaft is located at the stop of the nut thread, wherein upon further rotation of the threaded shaft, the ramp plate is pivoted by the drive motor in the horizontal position. This means that initially the ramp plate is brought out of engagement with the first locking pin by the longitudinal displacement of the ramp plate, which ensures as a mechanical safeguard that the ramp plate does not fold down, and only then the pivoting operation is performed. In this case, it is provided in particular that the pivoting takes place counter to the force of a spring, in particular a spiral spring, which is preferably arranged on the other support of the platform. If now the ramp plate is pivoted, the motor receives the signal for reversing, wherein the folding is supported by the coil spring. Previously, a second locking pin, which holds the ramp plate in the folded position, retracted so that the ramp plate is exposed for folding. After completion of the Einklappvorgangs the ramp plate is moved by the threaded shaft in conjunction with the nut thread in the ramp plate in its initial position and fixed there by the first locking pin.
Anhand der Zeichnungen wird die Erfindung nachstehend beispielhaft näher erläutert.
- Fig. 1
- zeigt die Plattform in einer Ansicht von oben als schematische Darstellung;
- Fig. 2
- zeigt eine Seitenansicht, wobei sich die Plattform im abgesetzten Zustand befindet;
- Fig. 2a
- zeigt die Einzelheit X aus
Fig. 2 in vergrößerter Darstellung; - Fig. 2b
- zeigt die Einzelheit Y in vergrößerter Darstellung;
- Fig. 2c
- zeigt einen Schnitt durch
den Träger 2b zur Darstellung der Anordnung des Handlaufs am Träger; - Fig. 3
- zeigt eine Stellung, bei der sich die Plattform in etwa auf der Ebene des Schlittens befindet (ohne Handlauf);
- Fig. 4
- zeigt eine Stellung, bei der sich die Plattform in der Höhe des Bodens des Fahrzeugs befindet (ohne Handlauf);
- Fig. 5
- zeigt den Handlauf auf jeder Seite der Plattform in leicht abgeklappter Stellung, wobei korrespondierend hierzu auch die Brückenplatte leicht auf die Plattform zu verschwenkt ist, zusammen mit den Einzelheiten X und Y in vergrößerter Darstellung;
- Fig. 6
- zeigt eine Darstellung gemäß
Fig. 5 mit den Einzelheiten X und Y in vergrößerter Darstellung, wobei die Stellung der Handläufe und entsprechend auch die Brückenplatte weiter verschwenkt ist; - Fig. 7
- zeigt eine Stellung der Handläufe gemäß
Fig. 6 mit den Einzelheiten X und Y in nahezu zusammengeklapptem Zustand der Handläufe; - Fig. 8
- zeigt eine Stellung der Handläufe in auf die Rampenplatte vollständig abgeklapptem Zustand der Handläufe zusammen mit den Einzelheiten X und Y;
- Fig. 9, 9a,b
- zeigen die Zwangsführung (Kulisse) in drei verschiedenen Ansichten;
- Fig. 10
- zeigt mit den Einzelheiten X und Y in vergrößerter Darstellung eine Ansicht von vorn auf die Plattform mit aufgeklapptem Rampenblech;
- Fig. 10a
- zeigt eine Seitenansicht auf den Träger mit der Spiralfeder;
- Fig. 10b
- zeigt die Verbindung zwischen Gewindewelle und Muttergewinde des Rampenblechs;
- Fig. 11
- zeigt eine Darstellung gemäß
Fig. 10 , wobei das Rampenblech durch den Antriebsmotor für das Rampenblech bereits nach links verschoben ist, wobei die Einzelheiten X und Y wiederum in vergrößerter Darstellung ausgeführt sind; - Fig. 12
- zeigt eine Darstellung gemäß
Fig. 11 mit abgeklapptem Rampenblech; - Fig. 12a,b
- zeigen jeweils entsprechende Schnitte aus
Fig. 12 in räumlicher Darstellung.
- 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. 2b
- shows the detail Y in an enlarged view;
- Fig. 2c
- shows a section through the
carrier 2b showing the arrangement of the handrail on the carrier; - Fig. 3
- shows a position in which the platform is located approximately at the level of the carriage (without handrail);
- Fig. 4
- shows a position in which the platform is at the level of the floor of the vehicle (without handrail);
- Fig. 5
- shows the handrail on each side of the platform in a slightly folded position, and correspondingly also the bridge plate is easily pivoted to the platform, together with the details X and Y in an enlarged view;
- Fig. 6
- shows a representation according to
Fig. 5 with the details X and Y in an enlarged view, the position of the handrails and according to the bridge plate is further pivoted; - Fig. 7
- shows a position of the handrails according to
Fig. 6 with the details X and Y in almost folded state of the handrails; - Fig. 8
- shows a position of the handrails in fully folded down to the ramp plate state of the handrails together with the details X and Y;
- Fig. 9, 9a, b
- show the forced tour (scenery) in three different views;
- Fig. 10
- shows with the details X and Y in an enlarged view a view from the front of the platform with unfolded ramp plate;
- Fig. 10a
- shows a side view of the carrier with the coil spring;
- Fig. 10b
- shows the connection between the threaded shaft and the nut thread of the ramp plate;
- Fig. 11
- shows a representation according to
Fig. 10 wherein the ramp plate is already moved to the left by the drive motor for the ramp plate, wherein the details X and Y are again executed in an enlarged view; - Fig. 12
- shows a representation according to
Fig. 11 with folded ramp plate; - Fig. 12a, b
- each show corresponding sections
Fig. 12 in spatial representation.
Gemäß
Vorgesehen ist des Weiteren eine Gestängeanordnung 14, umfassend das Schubgestänge 10 und die Anschlagstange 31 des Anschlags 30. 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.Furthermore, a
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
Ausgehend von der
Im Zustand gemäß
In the state according to
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
Im Folgenden wird nun die Betätigung der Handläufe 40 beim Einfahren der Plattform in das Gehäuse 50 des Wagenkastens beschrieben; maßgeblich sind hierbei die
Bereits an anderer Stelle ist erläutert worden, dass die Anschlagstange 31 in Richtung des Pfeiles 47 verschoben wird. Hierbei wird ebenfalls der Verbindungsarm 42 in die gleiche Richtung verschoben, was bewirkt, dass die Feder 48 vorgespannt wird. D. h., dass beim Abklappen des Handlaufes 40 einerseits die Kulisse 43 in Richtung des Pfeiles 47 verschoben wird und andererseits hierbei die Feder 48 gespannt wird, da sich diese an dem Anschlag 49 abstützt. Am entgegengesetzten Ende befindet sich der Anschlag 49a. Während des Abklappvorganges des Handlaufes 40 wandert die Rolle 45 in der Nut von der Stellung gemäß
Gemäß den
Aus den
An dem Rampenblech 60 befindet sich der Mitnehmer 75, der entsprechend der Schwenkbewegung des Rampenblechs in einer kreisbogenförmigen Nut 76 geführt ist (
Claims (13)
dadurch gekennzeichnet,
dass zu jeder Seite der Rampenplattform eine Gestängeanordnung (14) vorgesehen ist, die einerseits mit dem einen Gelenkarm (4) zwangsgekoppelt ist, und die andererseits mit der Schwenkachse (20) zum Verschwenken der Brückenplatte in Wirkverbindung steht, wobei die Gestängeanordnung (14) durch einen Verbindungsarm (42) mit einer in der Plattform längs verschieblich geführten Zwangsführung (43) für ein Führungsglied (45) eines Handlaufes (40) zum Auf- und Abklappen des Handlaufes (40) verbunden ist.Wheelchair lift (1) for attachment to a vehicle, e.g. B. a bus or a rail vehicle, comprising a platform (2) with a pivotally hinged 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 is pivotally mounted by a pivot axis (20) in the platform (2),
characterized,
that a linkage assembly (14) is provided on each side of the ramp platform that is positively coupled on the one hand with an articulated arm (4), and the other hand to the pivoting axis (20) for pivoting the bridge plate in operative connection, wherein the linkage assembly (14) by a connecting arm (42) with a guided longitudinally displaceably in the platform guide (43) for a guide member (45) of a handrail (40) for folding and unfolding the handrail (40) is connected.
dadurch gekennzeichnet,
dass die Gestängeanordnung (14) ein Schubgestänge (10) umfasst, das an einem Ende mit dem Gelenkarm (4) zwangsgekoppelt ist und das am anderen Ende mit der Schwenkachse (20) der Brückenplatte (3) die Schwenkachse (20) drehend in Verbindung steht.Wheelchair lifting device according to claim 1,
characterized,
in that the linkage arrangement (14) comprises a push linkage (10) which is positively coupled at one end to the articulated arm (4) and which at the other end is pivotally connected to the pivot axis (20) of the bridge plate (3) ,
dadurch gekennzeichnet,
dass die Gestängeanordnung (14) eine Anschlagstange (31) umfasst, die bei Drehung der Schwenkachse (20) durch den an der Schwenkachse (20) angeordneten Anschlagnocken (22) verschieblich ist.Wheelchair lifting device according to one of the preceding claims,
characterized,
in that the linkage arrangement (14) comprises a stop rod (31) which is displaceable upon rotation of the pivot axis (20) through the stop cam (22) arranged on the pivot axis (20).
dadurch gekennzeichnet,
dass die Anschlagstange (31) gegen die Kraft einer Feder (33) verschieblich ist.Wheelchair lifting device according to claim 3,
characterized,
that the stop rod (31) is displaceable against the force of a spring (33).
dadurch gekennzeichnet,
dass die Anschlagstange (31) in Verbindung mit dem Verbindungsarm (42) steht.Wheelchair lifting device according to claim 3,
characterized,
that the stop rod (31) is in communication with the connecting arm (42).
dadurch gekennzeichnet,
dass die Zwangsführung (43) nach Art einer Kulisse mit einer Führungsnut (44) zur Aufnahme des Führungsgliedes (45) des Handlaufes (40) ausgebildet ist.Wheelchair lifting device according to one of the preceding claims,
characterized,
in that the positive guide (43) is designed in the manner of a link with a guide groove (44) for receiving the guide member (45) of the handrail (40).
dadurch gekennzeichnet,
dass die Kulisse (43) kreisbogenförmig, insbesondere nach Art eines Viertelkreises ausgebildet ist.Wheelchair lifting device according to one of the preceding claims,
characterized,
that the slide (43) is formed in a circular arc, in particular in the manner of a quarter circle.
dadurch gekennzeichnet,
dass die Führungsnut (44) in der Kulisse einen Verlauf nach Art eines langgestreckten Z aufweist, wobei in der jeweiligen Endstellung das Führungsglied in dem jeweiligen endseitigen Schenkel (44a, 44b) ruht.Wheelchair lifting device according to one of the preceding claims,
characterized,
that the guide groove (44) in the gate has a course in the manner of an elongated Z, wherein in the respective end position, the guide member in the respective end leg (44a, 44b) rests.
dadurch gekennzeichnet,
dass bei Verschiebung der Anschlagstange (31) durch Verdrehen der Schwenkachse (20) der mit der Anschlagstange verbundene Verbindungsarm (42) gegen die Kraft mindestens einer Feder (48) gespannt wird, so dass das Einklappen des Handlaufs (40) entgegen der mindestens einen Feder (48) erfolgt.Wheelchair lifting device according to one of the preceding claims,
characterized,
that upon displacement of the stop rod (31) by rotation of the pivot axis (20) connected to the stop bar connecting arm (42) against the force of at least one spring (48) is tensioned so that the folding of the handrail (40) against the at least one spring (48).
dadurch gekennzeichnet,
dass die Plattform (2) an dem der Brückenplatte (3) gegenüberliegenden Ende ein verschwenkbares Rampenblech (60) aufweist, wobei zum Verschwenken des Rampenbleches (60) ein Antriebsmotor (61) vorgesehen ist.Wheelchair lifting device according to claim 1,
characterized,
that the platform (2) at the opposite of the bridge plate (3) end having a pivotable ramp plate (60), for pivoting the ramp plate (60), a drive motor (61) is provided.
dadurch gekennzeichnet,
dass die Plattform (2) zu beiden Seiten einen Träger (2a, 2b) aufweist, an dem jeweils ein Gelenkarm (4) angreift, und wobei durch die Träger (2a, 2b) das Rampenblech (60) verschwenkbar gelagert ist.Wheelchair lifting device according to claim 10,
characterized,
in that the platform (2) has on both sides a carrier (2a, 2b) on which in each case an articulated arm (4) engages, and wherein the ramp plate (60) is pivotably supported by the carriers (2a, 2b).
dadurch gekennzeichnet,
dass der am Träger (2a) angeordnete Antriebsmotor (61) eine Welle (65) mit einem Gewinde aufweist, wobei korrespondierend hierzu das Rampenblech (60) zur Aufnahme der Gewindewelle ein Muttergewinde (61 b) aufweist, so dass bei Drehung der Welle das Rampenblech (60) parallel zu seiner Längsachse verschieblich ist, wobei nach Verschiebung des Rampenbleches (60) um eine bestimmte Länge die Gewindewelle (65) sich am Anschlag des Muttergewindes (61 b) befindet, wobei bei weiterer Drehung der Gewindewelle (65) das Rampenblech (60) durch den Antriebsmotor (61) in die horizontale Lage verschwenkt wird.Wheelchair lifting device according to claim 11,
characterized,
in that the drive motor (61) arranged on the support (2a) has a shaft (65) with a thread, the corresponding part corresponding to this Rampenblech (60) for receiving the threaded shaft has a female thread (61 b), so that upon rotation of the shaft, the ramp plate (60) is displaceable parallel to its longitudinal axis, wherein after displacement of the ramp plate (60) by a certain length, the threaded shaft (65 ) is located at the stop of the nut thread (61 b), wherein upon further rotation of the threaded shaft (65), the ramp plate (60) is pivoted by the drive motor (61) in the horizontal position.
dadurch gekennzeichnet,
dass das Ausschwenken entgegen der Kraft einer Feder (70), insbesondere einer Spiralfeder erfolgt.Wheelchair lifting device according to one of claims 10 to 12,
characterized,
in that the pivoting takes place counter to the force of a spring (70), in particular a spiral spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08013384T PL2070499T3 (en) | 2007-12-12 | 2008-07-25 | Wheelchair lifting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007059943A DE102007059943B4 (en) | 2007-12-12 | 2007-12-12 | wheelchair lift |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2070499A2 true EP2070499A2 (en) | 2009-06-17 |
EP2070499A3 EP2070499A3 (en) | 2011-08-10 |
EP2070499B1 EP2070499B1 (en) | 2012-08-29 |
Family
ID=40377604
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08011969A Active EP2070498B1 (en) | 2007-12-12 | 2008-07-03 | Wheelchair lifting device |
EP08013384A Active EP2070499B1 (en) | 2007-12-12 | 2008-07-25 | Wheelchair lifting device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08011969A Active EP2070498B1 (en) | 2007-12-12 | 2008-07-03 | Wheelchair lifting device |
Country Status (4)
Country | Link |
---|---|
US (2) | US7810198B2 (en) |
EP (2) | EP2070498B1 (en) |
DE (1) | DE102007059943B4 (en) |
PL (2) | PL2070498T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8091753B2 (en) | 2002-10-04 | 2012-01-10 | Tyco Healthcare Group Lp | Surgical stapling device |
EP3156025A1 (en) * | 2015-10-14 | 2017-04-19 | Palfinger Tail Lifts GmbH | Lifting platform |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7726446B1 (en) * | 2005-01-28 | 2010-06-01 | Vernon Roger Buchanan | Mobile hunting blind |
US9327632B1 (en) | 2009-01-30 | 2016-05-03 | Excel Industries, Inc. | Translating cargo bed |
GB2493502A (en) * | 2011-07-22 | 2013-02-13 | Passenger Lift Services Ltd | Lift apparatus for a vehicle |
AU2013358035B2 (en) * | 2012-12-11 | 2016-05-12 | Honda Motor Co., Ltd. | Mounting device for object to be mounted |
FR3020081B1 (en) * | 2014-04-22 | 2016-05-06 | Myd L | DEVICE FOR ASSISTING THE FRACTURE OF AN OBSTACLE BY A VEHICLE |
US9546458B1 (en) * | 2015-06-12 | 2017-01-17 | Sam Carbis Asset Management, Llc | Device for resisting lifting of a gangway and gangway fitted with such device |
DE102015008096B4 (en) * | 2015-06-25 | 2018-12-27 | Walter Runkel | "Lift, in particular for the transport of wheelchair users" |
CN105522972B (en) * | 2015-12-09 | 2017-11-21 | 马清海 | A kind of servicing unit for upper and lower bus |
CN115738141B (en) * | 2022-11-16 | 2023-08-22 | 北京泰和佳科技股份有限公司 | Aerosol fire extinguishing device |
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WO1994027546A1 (en) | 1993-05-26 | 1994-12-08 | Ricon Corporation | Vehicle lifts |
NL1021891C2 (en) | 2002-11-11 | 2004-05-12 | Flevo Transportmiddelen Zeewol | Wheelchair lift, especially for vehicles, has drive device for automatically folding or unfolding hand rails |
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JP2002522188A (en) * | 1998-08-13 | 2002-07-23 | ザ・ブラウン・コーポレイション | Turning safety barrier for wheelchair lift |
US6692217B1 (en) * | 1999-04-29 | 2004-02-17 | The Braun Corporation | Liftable platform having isolated hydraulically-moveable rollstop |
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US7326024B2 (en) * | 2003-02-19 | 2008-02-05 | Lift-U, Division Of Hogan Mfg., Inc. | Wheelchair lift assembly having a compact stowed profile |
ITUD20050134A1 (en) * | 2005-08-22 | 2007-02-23 | Mobility Trend S R L | PERFECT LIFTING PLATFORM FOR PERSONS AND / OR GOODS, SUITABLE FOR MEANS OF TRANSPORT IN GENERAL |
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-
2007
- 2007-12-12 DE DE102007059943A patent/DE102007059943B4/en not_active Expired - Fee Related
-
2008
- 2008-07-03 EP EP08011969A patent/EP2070498B1/en active Active
- 2008-07-03 PL PL08011969T patent/PL2070498T3/en unknown
- 2008-07-25 PL PL08013384T patent/PL2070499T3/en unknown
- 2008-07-25 EP EP08013384A patent/EP2070499B1/en active Active
- 2008-09-03 US US12/231,460 patent/US7810198B2/en not_active Expired - Fee Related
- 2008-09-17 US US12/284,000 patent/US20090155037A1/en not_active Abandoned
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WO1994027546A1 (en) | 1993-05-26 | 1994-12-08 | Ricon Corporation | Vehicle lifts |
NL1021891C2 (en) | 2002-11-11 | 2004-05-12 | Flevo Transportmiddelen Zeewol | Wheelchair lift, especially for vehicles, has drive device for automatically folding or unfolding hand rails |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8091753B2 (en) | 2002-10-04 | 2012-01-10 | Tyco Healthcare Group Lp | Surgical stapling device |
EP3156025A1 (en) * | 2015-10-14 | 2017-04-19 | Palfinger Tail Lifts GmbH | Lifting platform |
Also Published As
Publication number | Publication date |
---|---|
DE102007059943B4 (en) | 2010-02-04 |
PL2070498T3 (en) | 2013-01-31 |
EP2070498A3 (en) | 2011-05-04 |
DE102007059943A1 (en) | 2009-06-25 |
EP2070498A2 (en) | 2009-06-17 |
EP2070498B1 (en) | 2012-08-29 |
US20090155037A1 (en) | 2009-06-18 |
PL2070499T3 (en) | 2013-01-31 |
US7810198B2 (en) | 2010-10-12 |
EP2070499A3 (en) | 2011-08-10 |
US20090151094A1 (en) | 2009-06-18 |
EP2070499B1 (en) | 2012-08-29 |
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