EP1614650B1 - Stairlift - Google Patents

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Publication number
EP1614650B1
EP1614650B1 EP05014586A EP05014586A EP1614650B1 EP 1614650 B1 EP1614650 B1 EP 1614650B1 EP 05014586 A EP05014586 A EP 05014586A EP 05014586 A EP05014586 A EP 05014586A EP 1614650 B1 EP1614650 B1 EP 1614650B1
Authority
EP
European Patent Office
Prior art keywords
drive rollers
support
stair lift
lift according
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP05014586A
Other languages
German (de)
French (fr)
Other versions
EP1614650A2 (en
EP1614650A3 (en
Inventor
Wilfried Hein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hiro Lift Hillenkoetter and Ronsieck GmbH
Original Assignee
Hiro Lift Hillenkoetter and Ronsieck GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hiro Lift Hillenkoetter and Ronsieck GmbH filed Critical Hiro Lift Hillenkoetter and Ronsieck GmbH
Publication of EP1614650A2 publication Critical patent/EP1614650A2/en
Publication of EP1614650A3 publication Critical patent/EP1614650A3/en
Application granted granted Critical
Publication of EP1614650B1 publication Critical patent/EP1614650B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0807—Driving mechanisms
    • B66B9/0815—Rack and pinion, friction rollers

Definitions

  • the invention relates to a staircase inclined elevator according to the preamble of patent claim 1.
  • Such a stairlift is from the document EP 0 525 141 B1 known.
  • four drive rollers are already present, but they are driven by a common drive unit.
  • the drive unit is arranged as a geared motor with an angle gear on one of the drive rollers, from which the driving forces are transmitted to the other three drive rollers.
  • gear transmissions are provided between the adjacent drive rollers. Between driving rollers further apart, the driving force is transmitted by means of a chain drive.
  • the gears, sprockets and chains required for the above gear require a high precision for backlash-free, safe operation, correspondingly expensive alone is the chassis of such a stairlift, which also requires a high maintenance.
  • Another inclined staircase lift is also off, for example EP-A-0 881 188 known.
  • the invention has for its object to provide a staircase inclined elevator of the type mentioned above, which has a simple kinematics associated with a high safety standard. This object is achieved in a staircase inclined elevator of the type mentioned according to the invention by the characterizing features of claim 1.
  • each of the drive rollers has its own drive unit.
  • a drive unit assigned to each individual drive roller is considerably smaller than a drive unit common to all four drive rollers.
  • the elimination of gears, sprockets and chains saves assembly and maintenance work, which place high demands on the personnel required for this purpose.
  • the safety of the inclined elevator with regard to the redundancy of the entire system is considerably improved. This is mainly due to the self-locking design of the gearboxes used as drive units geared motors, each of which acts as a safety brake at the same time in case of power failure. So can be dispensed with additional safety gears.
  • the roller set does not have to be designed for a catch case in which otherwise a sudden mechanical engagement takes place on the rollers.
  • FIG. 1 a roadway for a steep staircase lift, which consists of two superimposed rails 1 and 2.
  • the rails 1, 2 are pipes, which have a circular cross-section.
  • a chassis 3 is movable, which carries a chair, a platform or other means of transport 4, which is held by a leveling device regardless of the inclination position of the rails 1, 2 in its normal position.
  • the chassis 3 is provided with two upper drive rollers 5 and two lower drive rollers 6, wherein these four drive rollers 5, 6 cooperate in this embodiment exclusively with the upper track rail 1 and are clamped against these frictionally engaged by the driving forces transmitted by them in a driving movement of the To convert chassis 3 can.
  • the lower running rail 2 is used to stabilize the position of the chassis 3. At her roll off rollers 18, which stabilize the chassis 3 relative to the vertical direction.
  • FIG. 2 shows one of the drive rollers 5, 6 with the associated drive unit, which consists of a geared motor 7.
  • This includes an electric motor 9 with a gear 8, which is flanged as an angle gear to the electric motor 9.
  • the gear 8 is a self-locking gear and it is preferably designed as a worm gear, wherein the arranged in the usual way on the motor shaft screw, which is in engagement with the driven gear of the transmission 8, self-locking executes.
  • the transmission 8 has an output shaft which is provided with an in FIG. 8 recognizable shaft 10 is coupled, on which the respective drive wheel 5, 6 is arranged rotationally fixed.
  • the bearing of the drive wheel 5, 6 takes place on a holder 11, with which a shaft 10 coaxial coupling flange 12 is fixedly connected, which is bolted to the housing 13 of the transmission 8 of the geared motor 7.
  • the drive roller 5, 6 and the gear motor 7 provide a compact structural unit in which the axes of the drive roller 5, 6 and the gear 8 are aligned with each other and to the axis of the electric motor 9 is perpendicular. This is illustrated in particular by the FIGS. 3 and 4 ,
  • FIG. 5 is a complete chassis 3 again, which has a frame 19 extending in the vertical direction, side frame members 19.1 and 19.2.
  • the lateral frame parts 19.1, 19.2 are interconnected by means of an upper, frame-fixed carrier 20 and a lower, frame-fixed cross member 21 as a rigid carrier unit.
  • the four geared motors are denoted by 7.1 to 7.4 for better distinction from each other.
  • the associated transmissions are denoted by 8.1-8.4 and the electric motors by 9.1-9.4.
  • the two upper drive rollers 5.1, 5.2 which the gear motors 7.1 and 7.2 are assigned.
  • the four drive rollers 5, 6 are exclusively in frictional connection with the upper running rail 1.
  • the necessary contact pressure is applied by means of an elastic compression strut 34, which will be discussed in more detail below.
  • the frame 19 fixed support 20 is used for rotatably receiving the upper gear motors 7.1 and 7.2, for which corresponding rotary receptacles 25 are provided.
  • a pivotally movable carrier 22 is mounted, which - as the lower illustration of FIG. 7 shows, consists of a first support arm 22.1 and a second support arm 22.2, of which the second support arm 22.2 is pivotally mounted on the first support arm 22.1.
  • At its inner end of the first support arm 22.1 is provided with a bearing sleeve 29, on which a radially extending occidental horrrekkender pivot pin 24 is seated.
  • the second support arm 22.2 is supported by means of a hollow cylindrical bearing body 23, and so the second support arm 22.2 is pivotable relative to the first support arm 22.1 about an axis B, which coincides with the axis of the bearing body 23 and the pivot pin 24.
  • the support 22 movably mounted on the frame 19 has, on each of the two support arms 22.1, 22.2, a pivot receptacle 25 intended for the lower drive rollers 6.1, 6.2.
  • a pivot receptacle 25 intended for the lower drive rollers 6.1, 6.2.
  • FIGS. 3, 4 and 8th shows, sitting on the holding device for the drive rollers 5, 6, a pivot pin 26, via which the holding devices with the respective drive roller 5, 6 in the four rotary receivers 25 on the frame-fixed support 20 and the movable support 22 to a Axis A can be pivotally received, each of which crosses the longitudinal axis of the track rail 1 at right angles.
  • the four drive rollers 5.1, 5.2 and 6.1, 6.2 rotatably mounted in the manner of castors.
  • the fourth drive roller 6.4 is still pivotable about the axis B in order to avoid cornering of the chassis 3 and jamming of the system.
  • pivotal mobility of the lower support 22 is provided.
  • the relevant pivot axis is designated C and passes through the arranged on the support arm 22.1 bearing sleeve 29 therethrough.
  • the carrier 22 is attached to an axle body 30, which connects by means of a Kröpfungsgliedes 31 to a pivot shaft 32.
  • the axle body 30 and the pivot shaft 32 form a crank, whereby when turning back and forth the pivot shaft 32 of the axle 30 is moved up and down on a circular path.
  • On the pivot shaft 32 rotatably engages a pivot lever 33, at the end of the elastic strut 34 is articulated.
  • the pressure strut 34 is supported on the other side firmly on the frame 19, whereby on the pivot shaft 32 such torque is applied, which always seeks to lift the carrier 22 via the axle 30.
  • the movable support 22 and the frame 19 fixed support 20 are braced against each other. This applies correspondingly to the drive rollers 5 and 6 arranged thereon.
  • FIG. 8 Further details of the carrier 22 and the drive rollers 6 recorded thereon are illustrated FIG. 8 .
  • the drive rollers 5, 6 are mounted on a pivot fork 27, which has a back part 27.1, on which the respective pivot pin 26 is arranged.
  • the back part 27.1 merges into mutually parallel fork legs 27.2, whose ends bear bearings 28 for the shaft 10 of the respective drive roller 5, 6.
  • FIGS. 9 . 10 and 11 show a chassis of another type, the drive units formed by the gear motors 7.1 to 7.4 for the four drive rollers 5, 6, however, are the same as in the chassis 3 described above.
  • the design is so far a different, as the two upper drive rollers 5.1, 5.2 frictionally engaged with the upper rail 1 and the two lower drive rollers 6.1, 6.2 with the lower rail 2 frictionally engaged.
  • the gear motors 7.1 and 7.2 for the upper drive rollers 5.1, 5.2 are flanged to an upper support plate 14, wherein the associated drive rollers 5.1, 5.2 are arranged on the opposite side of this support plate 14 by stored between the support plate 14 and a fixed counter-plate 14.1 therewith are.
  • the geared motors are 7.3 and 7.4 flanged to a lower support plate 15, the counter-plates 15.1 has, in order to here at the of the Geared motors 7.3, 7.4 facing away from the lower support plate 15 to accommodate the drive rollers 6.1 and 6.2.
  • the bracing of the drive rollers 5, 6 against the respective track rail 1, 2 takes place here in that the support plates 14, 15 about axes or associated axle elements 16 are pivotally mounted on a central frame member 35, wherein the two pivot axes 16, the longitudinal axis of the respective track rail Cross 1, 2 vertically.
  • the two support plates 14, 15 are pivoted in such a direction of rotation that the drive rollers 5, 6 move in the direction of the respective track rail 1, 2 out.
  • the loading of the support plates 14, 15 in this pivoting direction by means of an elastic pressure support 17 which engages the carrier plates 14, 15 at a distance from the two axes 16.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Control Of Eletrric Generators (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Control Of Stepping Motors (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Valve Device For Special Equipments (AREA)
  • Lubricants (AREA)

Abstract

The inclined stair lift has an upper running rail (1) and a lower running rail (2) upon which is guided a chassis (3) which has four driving rollers (5,6), whereby two of the driving rollers with frictional engagement are braced against one of the running rails on opposite sides of this rail. Each of the driving rollers has it own drive unit in the form of a gear motor, the transmission of which is designed to be self-locking, whereby the driving roller is coupled to the output shaft of the transmission.

Description

Die Erfindung betrifft einen Treppenschrägaufzug gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a staircase inclined elevator according to the preamble of patent claim 1.

Ein solcher Treppenaufzug ist aus dem Dokument EP 0 525 141 B1 bekannt. Bei dieser Ausführung sind bereits vier Antriebsrollen vorhanden, die jedoch von einer gemeinsamen Antriebseinheit angetrieben werden. Die Antriebseinheit ist als Getriebemotor mit einem Winkelgetriebe an einer der Antriebsrollen angeordnet, von der die Antriebskräfte auf die weiteren drei Antriebsrollen übertragen werden. Dazu sind zwischen den benachbarten Antriebsrollen Zahnradgetriebe vorgesehen. Zwischen weiter auseinanderliegenden Antriebsrollen wird die Antriebskraft mittels eines Kettentriebs übertragen. Die für die genannten Getriebe erforderlichen Zahnräder, Kettenräder und Ketten erfordern für den spielfreien, sicheren Betrieb eine hohe Präzision, entsprechend aufwendig ist allein schon das Fahrgestell eines derartigen Treppenaufzugs, der zudem einen hohen Wartungsaufwand erfordert.Such a stairlift is from the document EP 0 525 141 B1 known. In this embodiment, four drive rollers are already present, but they are driven by a common drive unit. The drive unit is arranged as a geared motor with an angle gear on one of the drive rollers, from which the driving forces are transmitted to the other three drive rollers. To this end, gear transmissions are provided between the adjacent drive rollers. Between driving rollers further apart, the driving force is transmitted by means of a chain drive. The gears, sprockets and chains required for the above gear require a high precision for backlash-free, safe operation, correspondingly expensive alone is the chassis of such a stairlift, which also requires a high maintenance.

Ein anderer Treppenschrägaufzug ist ebenfalls z.B. aus EP-A-0 881 188 bekannt.Another inclined staircase lift is also off, for example EP-A-0 881 188 known.

Der Erfindung liegt die Aufgabe zugrunde, einen Treppenschrägaufzug der eingangs erwähnten Art zu schaffen, der eine einfache Kinematik verbunden mit einem hohen Sicherheitsstandard aufweist. Diese Aufgabe wird bei einem Treppenschrägaufzug der genannten Art nach der Erfindung durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.The invention has for its object to provide a staircase inclined elevator of the type mentioned above, which has a simple kinematics associated with a high safety standard. This object is achieved in a staircase inclined elevator of the type mentioned according to the invention by the characterizing features of claim 1.

Für die Erfindung ist wesentlich, daß jede der Antriebsrollen eine eigene Antriebseinheit aufweist. Zwar erscheint dies auf den ersten Blick eine aufwendige Lösung zu sein, hierbei ist jedoch berücksichtigt, daß eine jeder einzelnen Antriebsrolle zugeordnete Antriebseinheit wesentlich kleiner baut als eine für alle vier Antriebsrollen gemeinsame Antriebseinheit. Der Wegfall von Zahnrädern, Kettenrädern und Ketten erspart Montage- und Wartungsarbeiten, die an das hierfür erforderliche Personal hohe Anforderungen stellen. Die Sicherheit des Schrägaufzugs im Hinblick auf die Redundanz des gesamten Systems ist erheblich verbessert. Dies beruht vor allem auf der selbsthemmenden Ausführung der Getriebe der als Antriebseinheiten verwendeten Getriebemotore, von denen jeder für sich bei Stromausfall zugleich als Sicherheitsbremse wirkt. So kann auf zusätzliche Fangvorrichtungen verzichtet werden. Auch muß der Rollensatz nicht für einen Fangfall ausgelegt werden, bei dem ansonsten ein schlagartiger mechanischer Eingriff an den Rollen erfolgt.For the invention is essential that each of the drive rollers has its own drive unit. Although this appears to be a complicated solution at first glance, it is taken into account that a drive unit assigned to each individual drive roller is considerably smaller than a drive unit common to all four drive rollers. The elimination of gears, sprockets and chains saves assembly and maintenance work, which place high demands on the personnel required for this purpose. The safety of the inclined elevator with regard to the redundancy of the entire system is considerably improved. This is mainly due to the self-locking design of the gearboxes used as drive units geared motors, each of which acts as a safety brake at the same time in case of power failure. So can be dispensed with additional safety gears. Also, the roller set does not have to be designed for a catch case in which otherwise a sudden mechanical engagement takes place on the rollers.

Vorteilhafte Ausgestaltungsmerkmale der Erfindung ergeben sich aus den Unteransprüchen.Advantageous design features of the invention will become apparent from the dependent claims.

Die Erfindung wird nachfolgend anhand der Zeichnung an zwei Ausführungsbeispielen noch näher erläutert. Dabei zeigen:

Figur 1 -
in schematischer, perspektivischer Ansicht einen Treppenschrägaufzug,
Figur 2 -
in perspektivischer Wiedergabe eine der Antriebseinheiten des Aufzuges nach Figur 1,
Figur 3 -
die Rückansicht der Antriebseinheiten nach Figur 2 in verkleinerter Darstellung,
Figur 4 -
die Stirnansicht der Antriebseinheit nach den Figuren 2 und 3,
Figur 5 -
eine perspektivische Darstellung des kompletten Fahrgestells des Treppenschrägaufzugs nach Figur 1,
Figur 6 -
in perspektivischer Wiedergabe die vier Antriebseinheiten des Fahrgestells gemäß Figur 5,
Figur 7 -
in perspektivischer Darstellung den Rahmen des Fahrgestells nach Figur 5 mit den daran vorgesehenen Aufnahmen für die vier Antriebseinheiten,
Figur 8 -
in perspektivischer, gesprengter Darstellung eine der Aufnahmevorrichtungen für zwei der Antriebseinheiten des Fahrgestells von Figur 5,
Figur 9 -
eine perspektivische Ansicht eines Fahrgestells für einen Treppenschrägaufzug in anderer Ausführung,
Figur 10 -
die Seitansicht des Fahrgestells nach Figur 9,
Figur 11 -
die Stirnansicht des Fahrgestells nach den Figuren 9 und 10.
The invention will be explained in more detail with reference to the drawing of two embodiments. Showing:
FIG. 1 -
in a schematic, perspective view of a staircase inclined elevator,
FIG. 2 -
in perspective playback one of the drive units of the elevator to FIG. 1 .
FIG. 3 -
the rear view of the drive units after FIG. 2 in reduced form,
FIG. 4 -
the front view of the drive unit after the Figures 2 and 3 .
FIG. 5 -
a perspective view of the entire chassis of the inclined staircase to FIG. 1 .
FIG. 6 -
in perspective representation of the four drive units of the chassis according to FIG. 5 .
FIG. 7 -
in a perspective view of the frame of the chassis after FIG. 5 with the receptacles provided therefor for the four drive units,
FIG. 8 -
in perspective, exploded view of the receiving devices for two of the drive units of the chassis of FIG. 5 .
FIG. 9
a perspective view of a chassis for a staircase elevator in another embodiment,
FIG. 10 -
the side view of the chassis after FIG. 9 .
FIG. 11
the front view of the chassis after the Figures 9 and 10 ,

Im einzelnen veranschaulicht Figur 1 eine Fahrbahn für einen Treppenschrägaufzug, die aus zwei übereinander angeordneten Laufschienen 1 und 2 besteht. In praktischer Ausführung handelt es sich bei den Laufschienen 1, 2 um Rohre, die einen kreisrunden Querschnitt haben. Entlang der Laufschienen ist ein Fahrgestell 3 verfahrbar, welches einen Sessel, eine Plattform oder ein sonstiges Transportmittel 4 trägt, welches mittels einer Nivelliervorrichtung unabhängig von der Neigungslage der Laufschienen 1, 2 in seiner Normallage gehalten wird.In detail illustrated FIG. 1 a roadway for a steep staircase lift, which consists of two superimposed rails 1 and 2. In a practical embodiment, the rails 1, 2 are pipes, which have a circular cross-section. Along the rails, a chassis 3 is movable, which carries a chair, a platform or other means of transport 4, which is held by a leveling device regardless of the inclination position of the rails 1, 2 in its normal position.

Das Fahrgestell 3 ist mit zwei oberen Antriebsrollen 5 und zwei unteren Antriebsrollen 6 versehen, wobei diese vier Antriebsrollen 5, 6 bei diesem Ausführungsbeispiel ausschließlich mit der oberen Laufschiene 1 zusammenwirken und gegen diese reibschlüssig verspannt sind, um die von ihnen übertragenen Antriebskräfte in eine Fahrbewegung des Fahrgestells 3 umsetzen zu können. Die untere Laufschiene 2 dient der Lagestabilisierung des Fahrgestells 3. An ihr wälzen Stützrollen 18 ab, die das Fahrgestell 3 bezogen auf die Vertikalrichtung stabilisieren.The chassis 3 is provided with two upper drive rollers 5 and two lower drive rollers 6, wherein these four drive rollers 5, 6 cooperate in this embodiment exclusively with the upper track rail 1 and are clamped against these frictionally engaged by the driving forces transmitted by them in a driving movement of the To convert chassis 3 can. The lower running rail 2 is used to stabilize the position of the chassis 3. At her roll off rollers 18, which stabilize the chassis 3 relative to the vertical direction.

Figur 2 zeigt eine der Antriebsrollen 5, 6 mit der zugehörigen Antriebseinheit, die aus einem Getriebemotor 7 besteht. Dazu gehört ein Elektromotor 9 mit einem Getriebe 8, welches als Winkelgetriebe an den Elektromotor 9 angeflanscht ist. Das Getriebe 8 ist ein selbsthemmendes Getriebe und es ist vorzugsweise als Schneckengetriebe ausführt, wobei die in üblicher Weise auf der Motorwelle angeordnete Schnecke, die in Eingriff mit dem Abtriebsrad des Getriebes 8 steht, selbsthemmend ausführt ist. FIG. 2 shows one of the drive rollers 5, 6 with the associated drive unit, which consists of a geared motor 7. This includes an electric motor 9 with a gear 8, which is flanged as an angle gear to the electric motor 9. The gear 8 is a self-locking gear and it is preferably designed as a worm gear, wherein the arranged in the usual way on the motor shaft screw, which is in engagement with the driven gear of the transmission 8, self-locking executes.

Das Getriebe 8 weist eine Abtriebswelle auf, die mit einer in Figur 8 erkennbaren Welle 10 gekuppelt ist, auf der das betreffende Antriebsrad 5, 6 drehfest angeordnet ist. Die Lagerung des Antriebsrades 5, 6 erfolgt an einer Halterung 11, mit der ein zur Welle 10 koaxialer Kupplungsflansch 12 fest verbunden ist, der mit dem Gehäuse 13 des Getriebes 8 des Getriebemotors 7 verschraubt ist. Insgesamt bieten die Antriebsrolle 5, 6 und der Getriebemotor 7 eine kompakte bauliche Einheit, bei der die Achsen der Antriebsrolle 5, 6 und des Getriebes 8 miteinander fluchten und dazu die Achse des Elektromotors 9 rechtwinklig steht. Dies verdeutlichen insbesondere auch die Figuren 3 und 4.The transmission 8 has an output shaft which is provided with an in FIG. 8 recognizable shaft 10 is coupled, on which the respective drive wheel 5, 6 is arranged rotationally fixed. The bearing of the drive wheel 5, 6 takes place on a holder 11, with which a shaft 10 coaxial coupling flange 12 is fixedly connected, which is bolted to the housing 13 of the transmission 8 of the geared motor 7. Overall, the drive roller 5, 6 and the gear motor 7 provide a compact structural unit in which the axes of the drive roller 5, 6 and the gear 8 are aligned with each other and to the axis of the electric motor 9 is perpendicular. This is illustrated in particular by the FIGS. 3 and 4 ,

Figur 5 gibt ein komplettes Fahrgestell 3 wieder, welches einen Rahmen 19 mit in Höhenrichtung verlaufenden, seitlichen Rahmenteilen 19.1 und 19.2 aufweist. Die seitlichen Rahmenteile 19.1, 19.2 sind mittels einem oberen, rahmenfesten Träger 20 und einem unteren, rahmenfesten Querträger 21 als steife Trägereinheit miteinander verbunden. Die vier Getriebemotore sind mit 7.1 bis 7.4 zur besseren Unterscheidung voneinander bezeichnet. Dementsprechend sind die zugehörigen Getriebe mit 8.1 - 8.4 und die Elektromotore mit 9.1 - 9.4 bezeichnet. In Ergänzung dazu erkennt man in Figur 6 die beiden oberen Antriebsrollen 5.1, 5.2, denen die Getriebemotore 7.1 und 7.2 zugeordnet sind. Des weiteren sind hier die beiden unteren Antriebsrollen 6.1 und 6.2 zu sehen, die von den unteren Getriebemotoren 7.3, 7.4 angetrieben werden. Die vier Antriebsrollen 5, 6 stehen ausschließlich mit der oberen Laufschiene 1 in reibschlüssiger Verbindung. FIG. 5 is a complete chassis 3 again, which has a frame 19 extending in the vertical direction, side frame members 19.1 and 19.2. The lateral frame parts 19.1, 19.2 are interconnected by means of an upper, frame-fixed carrier 20 and a lower, frame-fixed cross member 21 as a rigid carrier unit. The four geared motors are denoted by 7.1 to 7.4 for better distinction from each other. Correspondingly, the associated transmissions are denoted by 8.1-8.4 and the electric motors by 9.1-9.4. In addition to this one recognizes in FIG. 6 the two upper drive rollers 5.1, 5.2, which the gear motors 7.1 and 7.2 are assigned. Furthermore, here are the two lower drive rollers 6.1 and 6.2 to see, which are driven by the lower geared motors 7.3, 7.4. The four drive rollers 5, 6 are exclusively in frictional connection with the upper running rail 1.

Die dazu notwendige Anpreßkraft wird mittels einer elastischen Druckstrebe 34 aufgebracht, auf die nachstehend noch näher eingegangen werden wird.The necessary contact pressure is applied by means of an elastic compression strut 34, which will be discussed in more detail below.

Wie Figur 7 weiter veranschaulicht, dient der am Rahmen 19 feste Träger 20 zur drehbeweglichen Aufnahme der oberen Getriebemotore 7.1 und 7.2, wofür entsprechende Drehaufnahmen 25 vorgesehen sind. Weiter ist am Rahmen 19, und zwar am unteren Querträger 21, ein schwenkbeweglicher Träger 22 gelagert, der - wie die untere Darstellung von Figur 7 zeigt, aus einem ersten Trägerarm 22.1 und einem zweiten Trägerarm 22.2 besteht, von denen der zweite Trägerarm 22.2 schwenkbeweglich am ersten Trägerarm 22.1 gelagert ist. An seinem Innenende ist der erste Trägerarm 22.1 mit einer Lagerhülse 29 versehen, auf der ein in radialer Richtung sich erstrekkender Drehzapfen 24 sitzt. Auf dem Drehzapfen 24 ist der zweite Trägerarm 22.2 mittels einem hohlzylindrischen Lagerkörper 23 gelagert, und so ist der zweite Trägerarm 22.2 relativ zum ersten Trägerarm 22.1 um eine Achse B schwenkbar, welche mit der Achse des Lagerkörpers 23 und des Drehzapfens 24 zusammenfällt.As FIG. 7 illustrated, the frame 19 fixed support 20 is used for rotatably receiving the upper gear motors 7.1 and 7.2, for which corresponding rotary receptacles 25 are provided. Next is on the frame 19, namely at the lower cross member 21, a pivotally movable carrier 22 is mounted, which - as the lower illustration of FIG. 7 shows, consists of a first support arm 22.1 and a second support arm 22.2, of which the second support arm 22.2 is pivotally mounted on the first support arm 22.1. At its inner end of the first support arm 22.1 is provided with a bearing sleeve 29, on which a radially extending erstrekkender pivot pin 24 is seated. On the pivot pin 24, the second support arm 22.2 is supported by means of a hollow cylindrical bearing body 23, and so the second support arm 22.2 is pivotable relative to the first support arm 22.1 about an axis B, which coincides with the axis of the bearing body 23 and the pivot pin 24.

Der am Rahmen 19 beweglich gelagerte Träger 22 weist an jedem der beiden Trägerarme 22.1, 22.2 eine Drehaufnahme 25 auf, die für die unteren Antriebsrollen 6.1, 6.2 bestimmt sind. Wie aus den Figuren 3, 4 und 8 hervorgeht, sitzt an der Haltevorrichtung für die Antriebsrollen 5, 6 ein Drehzapfen 26, über den die Haltevorrichtungen mit der jeweiligen Antriebsrolle 5, 6 in den vier Drehaufnahmen 25 am rahmenfesten Träger 20 und am beweglichen Träger 22 um eine Achse A schwenkbar aufgenommen werden können, die jeweils die Längsachse der Laufschiene 1 rechtwinklig kreuzt. So sind die vier Antriebsrollen 5.1, 5.2 und 6.1, 6.2 nach Art von Lenkrollen drehbeweglich gelagert. Zusätzlich ist die vierte Antriebsrolle 6.4 noch um die Achse B schwenkbar, um eine Kurvenfahrt des Fahrgestells 3 und ein Verklemmen des Systems zu vermeiden.The support 22 movably mounted on the frame 19 has, on each of the two support arms 22.1, 22.2, a pivot receptacle 25 intended for the lower drive rollers 6.1, 6.2. Like from the FIGS. 3, 4 and 8th shows, sitting on the holding device for the drive rollers 5, 6, a pivot pin 26, via which the holding devices with the respective drive roller 5, 6 in the four rotary receivers 25 on the frame-fixed support 20 and the movable support 22 to a Axis A can be pivotally received, each of which crosses the longitudinal axis of the track rail 1 at right angles. Thus, the four drive rollers 5.1, 5.2 and 6.1, 6.2 rotatably mounted in the manner of castors. In addition, the fourth drive roller 6.4 is still pivotable about the axis B in order to avoid cornering of the chassis 3 and jamming of the system.

Zur notwendigen Anpassung beim Übergang zwischen Abschnitten der Laufschiene 1 mit unterschiedlichen Neigungen ist eine Schwenkbeweglichkeit des unteren Trägers 22 vorgesehen. Die betreffende Schwenkachse ist mit C bezeichnet und geht durch die am Trägerarm 22.1 angeordnete Lagerhülse 29 hindurch. Mit dieser Lagerhülse 29 ist der Träger 22 auf einen Achskörper 30 aufgesteckt, der mittels eines Kröpfungsgliedes 31 an eine Schwenkwelle 32 anschließt. So bilden der Achskörper 30 und die Schwenkwelle 32 eine Kurbel, wodurch beim Hin- und Herdrehen der Schwenkwelle 32 der Achskörper 30 auf einer Kreisbahn auf- und abbewegt wird. An der Schwenkwelle 32 greift drehfest ein Schwenkhebel 33 an, an dessen Ende die elastische Druckstrebe 34 angelenkt ist. Die Druckstrebe 34 stützt sich andernends fest am Rahmen 19 ab, womit auf die Schwenkwelle 32 ein solches Drehmoment ausgeübt wird, welches den Träger 22 stets über den Achskörper 30 anzuheben sucht. Dadurch werden der bewegliche Träger 22 und der am Rahmen 19 feste Träger 20 gegeneinander verspannt. Dies trifft entsprechend für die daran angeordneten Antriebsrollen 5 und 6 zu.For the necessary adjustment in the transition between sections of the track rail 1 with different inclinations pivotal mobility of the lower support 22 is provided. The relevant pivot axis is designated C and passes through the arranged on the support arm 22.1 bearing sleeve 29 therethrough. With this bearing sleeve 29, the carrier 22 is attached to an axle body 30, which connects by means of a Kröpfungsgliedes 31 to a pivot shaft 32. Thus, the axle body 30 and the pivot shaft 32 form a crank, whereby when turning back and forth the pivot shaft 32 of the axle 30 is moved up and down on a circular path. On the pivot shaft 32 rotatably engages a pivot lever 33, at the end of the elastic strut 34 is articulated. The pressure strut 34 is supported on the other side firmly on the frame 19, whereby on the pivot shaft 32 such torque is applied, which always seeks to lift the carrier 22 via the axle 30. As a result, the movable support 22 and the frame 19 fixed support 20 are braced against each other. This applies correspondingly to the drive rollers 5 and 6 arranged thereon.

Weitere Einzelheiten des Trägers 22 und der daran aufgenommenen Antriebsrollen 6 veranschaulicht Figur 8.Further details of the carrier 22 and the drive rollers 6 recorded thereon are illustrated FIG. 8 ,

Vor allem sind hier Einzelheiten der Haltevorrichtung 11 dargestellt, die für alle Antriebsrollen der ersten Ausführungsform des Fahrgestells 3 gleich sind. So sind die Antriebsrollen 5, 6 an einer Schwenkgabel 27 gelagert, die ein Rückenteil 27.1 aufweist, an dem der jeweilige Schwenkzapfen 26 angeordnet ist. Das Rückenteil 27.1 geht in miteinander parallele Gabelschenkel 27.2 über, deren Enden Lager 28 für die Welle 10 der jeweiligen Antriebsrolle 5, 6 tragen.Above all, here details of the holding device 11 are shown, which are the same for all drive rollers of the first embodiment of the chassis 3. Thus, the drive rollers 5, 6 are mounted on a pivot fork 27, which has a back part 27.1, on which the respective pivot pin 26 is arranged. The back part 27.1 merges into mutually parallel fork legs 27.2, whose ends bear bearings 28 for the shaft 10 of the respective drive roller 5, 6.

Die Figuren 9, 10 und 11 zeigen ein Fahrgestell anderer Bauart, dessen durch die Getriebemotore 7.1 bis 7.4 für die vier Antriebsrollen 5, 6 gebildeten Antriebseinheiten jedoch die gleichen wie bei dem vorstehend beschriebenen Fahrgestell 3 sind. Die Bauart ist insoweit eine andere, als die beiden oberen Antriebsrollen 5.1, 5.2 reibschlüssig mit der oberen Laufschiene 1 und die beiden unteren Antriebsrollen 6.1, 6.2 mit der unteren Laufschiene 2 reibschlüssig in Verbindung stehen. Die Getriebemotore 7.1 und 7.2 für die oberen Antriebsrollen 5.1, 5.2 sind an einer oberen Trägerplatte 14 angeflanscht, wobei die zugehörigen Antriebsrollen 5.1, 5.2 an der gegenüberliegenden Seite dieser Trägerplatte 14 angeordnet sind, indem sie zwischen der Trägerplatte 14 und einer damit festen Gegenplatte 14.1 gelagert sind. In gleicher Weise sind die Getriebemotore 7.3 und 7.4 an einer unteren Trägerplatte 15 angeflanscht, die Gegenplatten 15.1 aufweist, um auch hier an der von den Getriebemotoren 7.3, 7.4 abgewandten Seite der unteren Trägerplatte 15 die Antriebsrollen 6.1 und 6.2 aufnehmen zu können.The Figures 9 . 10 and 11 show a chassis of another type, the drive units formed by the gear motors 7.1 to 7.4 for the four drive rollers 5, 6, however, are the same as in the chassis 3 described above. The design is so far a different, as the two upper drive rollers 5.1, 5.2 frictionally engaged with the upper rail 1 and the two lower drive rollers 6.1, 6.2 with the lower rail 2 frictionally engaged. The gear motors 7.1 and 7.2 for the upper drive rollers 5.1, 5.2 are flanged to an upper support plate 14, wherein the associated drive rollers 5.1, 5.2 are arranged on the opposite side of this support plate 14 by stored between the support plate 14 and a fixed counter-plate 14.1 therewith are. In the same way, the geared motors are 7.3 and 7.4 flanged to a lower support plate 15, the counter-plates 15.1 has, in order to here at the of the Geared motors 7.3, 7.4 facing away from the lower support plate 15 to accommodate the drive rollers 6.1 and 6.2.

Das Verspannen der Antriebsrollen 5, 6 gegen die jeweilige Laufschiene 1, 2 erfolgt hier dadurch, daß die Trägerplatten 14, 15 um Achsen bzw. zugehörige Achselemente 16 an einem zentralen Gestellteil 35 schwenkbar gelagert sind, wobei die beiden Schwenkachsen 16 die Längsachse der betreffenden Laufschiene 1, 2 senkrecht kreuzen. In Projektion auf die Längsachsen der Laufschienen 1,2 haben die oberen Antriebsrollen 5.1, 5.2 und die unteren Antriebsrollen 6.1, 6.2 relativ zu den Achskreuzungspunkten jeweils in davon abgewandten, unterschiedlichen Richtungen gleiche Abstände. So können die beiden Trägerplatten 14, 15 in einer solchen Drehrichtung verschwenkt werden, daß sich die Antriebsrollen 5, 6 in Richtung zu der jeweiligen Laufschiene 1, 2 hin bewegen. Die Beaufschlagung der Trägerplatten 14, 15 in dieser Schwenkrichtung erfolgt mittels einer elastischen Druck-Stütze 17, die in Abstand von den beiden Achsen 16 an den Trägerplatten 14, 15 angreift.The bracing of the drive rollers 5, 6 against the respective track rail 1, 2 takes place here in that the support plates 14, 15 about axes or associated axle elements 16 are pivotally mounted on a central frame member 35, wherein the two pivot axes 16, the longitudinal axis of the respective track rail Cross 1, 2 vertically. In projection on the longitudinal axes of the rails 1.2, the upper drive rollers 5.1, 5.2 and the lower drive rollers 6.1, 6.2 relative to the Achskreuzungspunkten each in the same away, different directions equal distances. Thus, the two support plates 14, 15 are pivoted in such a direction of rotation that the drive rollers 5, 6 move in the direction of the respective track rail 1, 2 out. The loading of the support plates 14, 15 in this pivoting direction by means of an elastic pressure support 17 which engages the carrier plates 14, 15 at a distance from the two axes 16.

Wie das zweite Ausführungsbeispiel zeigt, ergibt sich eine raumsparende Ausführung der durch die Getriebemotore 7.1 bis 7.4 bestehenden Antriebseinheiten dann, wenn bei einander benachbarten Einheiten der Elektromotor 9 des jeweils einen Getriebemotors 7 neben dem Getriebe 8 des jeweils anderen Getriebemotors 7 angeordnet ist. Dies läßt sich bei dem Ausführungsbeispiel nach den Figuren 9 bis 11 sowohl bei den oberen als auch bei den unteren Antriebseinheiten verwirklichen. Bei dem ersten Ausführungsbeispiel ist diese Anordnung nur bei den oberhalb der Laufschiene 1 angeordneten Getriebemotoren 7.1 und 7.2 möglich, wie vor allem Figur 6 veranschaulicht.As the second embodiment shows, results in a space-saving design of existing by the gear motors 7.1 to 7.4 drive units, when adjacent units of the electric motor 9 of each geared motor 7 is arranged next to the gear 8 of the other geared motor 7. This can be in the embodiment of the FIGS. 9 to 11 both the upper and the lower drive units realize. In the first embodiment, this arrangement is only possible with the geared motors 7.1 and 7.2 arranged above the track rail 1, as above all FIG. 6 illustrated.

Claims (17)

  1. Stair lift with an upper rail (1) and a lower rail (2) and with an chassis (3) guided thereon which comprises four drive rollers (5, 6) connected to a drive unit, wherein each two of the drive rollers (5, 6) are frictionally tensioned against one of the rails (1, 2) on sides of this rail (1, 2) facing away from each other,
    characterised in that
    each of the drive rollers (5, 6) comprises its own drive unit in the form of a gear motor (7), of which the gearbox (8) is designed to be self-locking, wherein the drive roller (5, 6) is coupled with the output shaft of the gearbox (8).
  2. Stair lift according to claim 1,
    characterised in that
    the gears (8) of the gear motor (7) are angular gears.
  3. Stair lift according to claim 2,
    characterised in that
    the bevel gears (8) of the gear motors (7) are worm gears with self-locking worms.
  4. Stair lift according to one of the claims 1 to 3,
    characterised in that
    the first two drive rollers (5.1, 5.2) are frictionally engaged with the upper rail (1) and the second two drive rollers (6.1, 6.2) with the lower rail (2).
  5. Stair lift according to claim 4,
    characterised in that
    the first two drive rollers (5.1, 5.2) and the second two drive rollers (6.1, 6.2) are each arranged on a support plate (14, 15) spaced apart from each other in relation to the longitudinal direction of the respective rail, wherein the two support plates (14, 15) are mounted on a chassis part (35) so as to be pivotable about an axis (16) crossing the longitudinal axis of the associated rail (1, 2) centrally between the spaced apart drive rollers (5.1, 5.2; 6.1, 6.2) and are tensioned against each other by means of a support element (17) engaging eccentrically relative to these axes (16), with the drive rollers (5, 6) pressing against the respective rail (1, 2).
  6. Stair lift according to claim 5,
    characterised in that
    the drive rollers (5, 6) are arranged on one side of the support plates (14, 15) and the gear motors (7) are arranged on the other side of the support plates (14, 15).
  7. Stair lift according to claim 5 or 6, characterised in that
    in the case of gear motors (7) equipped with bevel gears (8) the motor (9) of each gear motor (7) is arranged on each of the support plates (14, 15) adjacent to the gearbox (8) of the other gear motor (7).
  8. Stair lift according to one of the claims 1 to 3,
    characterised in that
    the first two drive rollers (5.1, 5.2) and the second two drive rollers (6.1, 6.2) are in frictional engagement with the upper rail and rolling support rollers (18) are arranged on the chassis (3) on the lower rail (2).
  9. Stair lift according to claim 8,
    characterised in that
    the chassis (3) comprises a frame (19) with a support (20) that is fixed thereto and a support (22) that is movable thereon, both supports extending in the direction of travel and on which two respective drive rollers (5, 6) with their gear motors (7) are arranged one behind the other in the direction of travel, wherein the movable support (22) is arranged so as to be pivotable about an axis perpendicular to the direction of travel and also so that its distance from the fixed support (20) can be changed, and is impacted with a clamping force in the direction of the rail (1).
  10. Stair lift according to claim 8 or 9,
    characterised in that
    the four drive rollers (5, 6) are each mounted so that they can be rotated about axes perpendicular to the direction of travel.
  11. Stair lift according to claim 10,
    characterised in that
    one (6.2) of the four drive rollers (5, 6) is additionally pivotable about an axis (B) and this pivot axis (B) is parallel to the axis of rotation of this drive roller (6.2).
  12. Stair lift according to claim 11,
    characterised in that
    the movable support (22) consists of a first support arm (22.1) and a second support arm (22.2) that can be moved relative thereto about the pivot axis (B), wherein a drive roller (6.1, 6.2) is arranged with its gear motor (7) on each of the two support arms (22.1, 22.2).
  13. Stair lift according to one of the claims 10 to 12,
    characterised in that
    the drive rollers (5, 6) are arranged between the arms (27.2) of pivot forks (27) and are mounted thereon, wherein a journal (26) engaging in a recess (25) on the respective support (20, 22) is arranged on the back (27.1) of the pivot fork (27).
  14. Stair lift according to one of the claims 9 to 13,
    characterised in that
    the movable carrier (22) is pivotably mounted on an axle body (30) which connects in the manner of a crank eccentrically to a pivot shaft (32) which is mounted on the frame (19) and on which a pivot lever (33) is arranged in a rotationally secure manner, on the other side of which a strut (34) resting on the frame (19) and transferring the clamping force is connected.
  15. Stair lift according to claim 14,
    characterised in that
    the movable support (22) comprises on its first support arm (22.1) a bearing sleeve (29) mounted on the axle body (30), to which bearing sleeve (29) the second support arm (22.2) of the movable support (22) is connected.
  16. Stair lift according to one of the claims 1 to 15,
    characterised in that
    the drive rollers (5, 6) are each arranged in a rotationally secure manner on a shaft (10) which is coupled with the output shaft of the gear motor (7), wherein a coupling flange (12) is fixedly arranged coaxially with the shaft (10) on the holding device (11) for the shaft (10), like the pivot fork (27), said coupling flange (12) being screwed to the gear housing (13) of the gear motor (7).
  17. Stair lift according to one of the claims 1 to 16,
    characterised in that
    the rails (1, 2) consist of tubes and the drive rollers (5, 6) have a running profile engaging around a section of their periphery.
EP05014586A 2004-07-10 2005-07-06 Stairlift Not-in-force EP1614650B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004033754A DE102004033754A1 (en) 2004-07-10 2004-07-10 Stairlift

Publications (3)

Publication Number Publication Date
EP1614650A2 EP1614650A2 (en) 2006-01-11
EP1614650A3 EP1614650A3 (en) 2006-05-24
EP1614650B1 true EP1614650B1 (en) 2008-08-27

Family

ID=35149476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05014586A Not-in-force EP1614650B1 (en) 2004-07-10 2005-07-06 Stairlift

Country Status (7)

Country Link
EP (1) EP1614650B1 (en)
CN (1) CN100448769C (en)
AT (1) ATE406336T1 (en)
DE (2) DE102004033754A1 (en)
ES (1) ES2309620T3 (en)
NO (1) NO20053342L (en)
RU (1) RU2317936C2 (en)

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CN109512187B (en) * 2018-12-27 2024-01-05 上海志听医疗科技有限公司 Self-rotating wheel set of double-track type dizziness treatment swivel chair
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GB202010021D0 (en) * 2020-06-30 2020-08-12 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
CN113666224B (en) * 2021-08-30 2022-10-25 太原理工大学 Multi-degree-of-freedom power-assisted object transporting integrated machine

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Also Published As

Publication number Publication date
RU2005116825A (en) 2006-11-20
CN100448769C (en) 2009-01-07
ES2309620T3 (en) 2008-12-16
CN1718527A (en) 2006-01-11
EP1614650A2 (en) 2006-01-11
NO20053342L (en) 2006-01-11
NO20053342D0 (en) 2005-07-08
ATE406336T1 (en) 2008-09-15
EP1614650A3 (en) 2006-05-24
RU2317936C2 (en) 2008-02-27
DE102004033754A1 (en) 2006-02-09
DE502005005171D1 (en) 2008-10-09

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