EP0645544A1 - Driving and guiding system for moving a load - Google Patents

Driving and guiding system for moving a load Download PDF

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Publication number
EP0645544A1
EP0645544A1 EP94114794A EP94114794A EP0645544A1 EP 0645544 A1 EP0645544 A1 EP 0645544A1 EP 94114794 A EP94114794 A EP 94114794A EP 94114794 A EP94114794 A EP 94114794A EP 0645544 A1 EP0645544 A1 EP 0645544A1
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EP
European Patent Office
Prior art keywords
rollers
drive
support rollers
guide system
load
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94114794A
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German (de)
French (fr)
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EP0645544B1 (en
Inventor
Norbert Giessen
Klaus Theodor
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.)
Siemens Duewag Schienenfahrzeuge GmbH
Norgren GmbH
Original Assignee
Norgren Martonair GmbH
Duewag AG
IMI Norgren GmbH
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Application filed by Norgren Martonair GmbH, Duewag AG, IMI Norgren GmbH filed Critical Norgren Martonair GmbH
Publication of EP0645544A1 publication Critical patent/EP0645544A1/en
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Publication of EP0645544B1 publication Critical patent/EP0645544B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/082—Characterised by the construction of the motor unit the motor being of the slotted cylinder type

Definitions

  • the invention relates to a drive and guide system for a load to be moved, consisting essentially of a rodless pressure medium cylinder, the cylinder body of which comprises a piston which is guided in a longitudinally displaceable manner, and a force transmission element connected to the piston of the pressure medium cylinder, which is arranged on rollers mounted thereon with in the longitudinal direction of the cylinder body Raceways interact and are connected to the load to be moved, the cylinder body being held stationary, for example on a vehicle or building.
  • a drive and guide system with a rodless pressure medium cylinder is known, the piston of which is connected to a power transmission element which is approximately T-shaped in cross section.
  • the two horizontally arranged legs of this transmission element each carry a concave or convex roller.
  • These rollers can be rotated about vertical axes and interact with reversely convex or concave raceways on the narrow sides of a guide rail that runs horizontally and parallel to the cylinder body.
  • the cylinder body and the guide rail are connected to each other by screws.
  • a cladding profile is screwed to the cylinder body, which surrounds the cylinder body and the power transmission element in the region of the roller guide.
  • a disadvantage of the known drive and guide system lies in its construction from separate parts which have to be joined together with the aid of separate screws and holes and threads to be created for this purpose.
  • the greater need for installation space resulting from the special cladding profile is also considered unfavorable. Otherwise, the above-described operative connection of the profile rollers with the raceways of the guide rail is unsuitable in the event that a load with a considerable weight is connected to the force transmission element. Because in this case, all vertical forces and also bending moments effective transversely to the direction of movement would have to be absorbed disadvantageously solely via the profiles of the rollers and the guide bar.
  • the invention has for its object to design a drive and guide system of the generic type in the simplest possible manner such that a particularly compact and inexpensive design is available; high vertical forces and bending moments should be absorbed perfectly and, in addition, quiet, smooth running behavior should be achieved, which also allows the load to be moved manually.
  • this object is achieved in that the cylinder body and the raceways are formed together by a one-piece profile, this profile contains the pairs provided, functionally divided into support rollers and support rollers, which consist of non-metallic material at least in the area of their tread, and that the support rollers and the support rollers are arranged below the cylinder body, the axis of rotation of these rollers and the direction of action of the load being at an angle of 90 ° to one another.
  • the cylinder body has a sealed longitudinal slot arranged in the interior of the one-piece profile parallel to the raceways. This is done According to a further development of the invention, the power transmission on the one hand between the support rollers or the support rollers and the raceways and on the other hand between the profile and its fixed mounting in common working planes, so that no moments changing the width of the sealed longitudinal slot occur.
  • a next embodiment of the invention is that the support rollers and the support rollers are each mounted at the ends of the power transmission element to achieve the largest possible support and support base. It is recommended, for. B. for reasons of rational production, according to a supplementary embodiment of the invention that the support rollers and support rollers arranged at the ends of the force transmission element are arranged symmetrically with respect to the longitudinal center thereof.
  • a next embodiment of the invention is that the support rollers are connected to the force transmission element so as to be adjustable in the direction of their career.
  • the low-noise and easy running of the power transmission element already achieved by the at least circumferentially non-metallic rollers is improved according to a further embodiment of the invention in that the raceways and the support rollers and the support rollers are designed in their cross-section such that the rollers on both sides in a linear shape Be in contact with the raceways.
  • the rolling path of the force transmission element within the profile is limited by adjustable stops, that interact with noise-absorbing elastic blocks.
  • a further embodiment of the invention offers that a deflection roller for a band or rope connected to the force transmission element is mounted on the two longitudinal ends of the profile .
  • a second force transmission element for a further load is connected to the belt or rope, this second force transmission element likewise carrying rollers and has the support rollers, but is not connected to the piston of the pressure medium cylinder.
  • a further embodiment of the invention offers that one of the two deflection rollers is coupled to a position measuring system.
  • a design according to the invention consists in that one of the two deflection rollers itself is designed as a signal disk or is coupled to a separate signal disk, this deflection roller or the separate signal disk interacting with simple electrical signal transmitters in such a way that the pulses of the signal transmitters for speed monitoring and / or can be evaluated for the detection of the direction of movement of the load.
  • a further embodiment of the invention provides that a locking mechanism is mounted within the one-piece profile, which interacts positively with the force transmission element or parts connected therewith.
  • the profile is provided with grooves for receiving strip-shaped permanent magnets or steel strips.
  • the drive and guide system according to the invention is characterized in particular by its compact design, which is particularly suitable for cramped installation conditions.
  • the one-piece profile, in which all drive, support and guide elements are combined, as well as the arrangement and design of the rollers according to the invention meet all the requirements for a high load capacity and smooth, low-noise and low-maintenance operation in a cost-effective manner.
  • the one-piece profile screwed to a fixed holder 7 has a cylinder body 2 of a rodless pressure medium cylinder and raceways 6 for rollers 5.
  • the one with a sealed longitudinal slot 2a provided cylinder 2 contains a longitudinally displaceable piston 3, to which a power transmission element 4 is connected, which is formed similar to a carriage and in the present embodiment from a plurality of components screwed together.
  • This element 4 is connected via support arms 4a to a load 1 to be moved, for example a relatively heavy sliding glass door.
  • the rollers 5, arranged in profile below the cylinder body 2 and supported at the ends of the force transmission element 4, are functionally divided into support rollers 5a and support rollers 5b and are each provided in pairs.
  • the support rollers 5b are adjustably connected to the force transmission element 4 in the direction of their track 6.
  • the raceways 6 and the support rollers 5a formed at least in the area of their running surface from non-metallic material and the support rollers 5b are coordinated with one another in their cross section such that the rollers 5a and 5b are in linear contact with the raceways 6 on both sides. This can be easily achieved, for example, by designing the rollers 5a and 5b in the area of their running surface as semicircular as shown and the raceways 6 in cross section similar to a Gothic arch (not shown).
  • the axis of rotation of the support rollers 5a and the support rollers 5b and the direction of action of the load 1 to be moved are at an angle of 90 ° to one another.
  • the power transmission takes place on the one hand between the support rollers 5a or the support rollers 5b and the raceways 6 and on the other hand between the profile and the fixed holder 7 in common working planes, so that none of the width of the longitudinal slot 2a changing moments occur.
  • the profile has grooves 11a in which strip-shaped permanent magnets or steel strips 11 can be embedded.
  • a pulley 9 for a rope 10 is mounted on the two longitudinal ends of the profile, the z. B. consists of steel with a casing made of plastic.
  • This cable 10 is fastened to the force transmission element 4 by a clamp connection (see FIG. 6).
  • a second force transmission element 4 'for a further load 1' which is to be moved in opposite directions is connected to the side of the drive cable 10 which is opposite in the longitudinal direction and rearward in relation to FIG. 1B.
  • the second power transmission element 4 ' also has the support rollers 5a and the support rollers 5b. However, it is not connected to the piston 3 of the pressure cylinder.
  • the piston 3 of the pressure medium cylinder is pressurized with air on one side or the other.
  • the rolling path of the force transmission element 4 is limited by adjustable stops 8 arranged inside the profile, which interact with noise-damping elastic blocks 8a, which are attached to the ends of the force transmission element 4.
  • the second power transmission element 4 'and thus the further load 1' are simultaneously moved via the cable 10 described.
  • one of the two deflecting rollers 9 is designed as a signal disk, for example by a special profiling of its end face.
  • one of the two deflection rollers 9 can be coupled to a separate signal disk. Said deflection roller 9 or the separate signal disk works with simple electrical signal transmitters together, whose pulses corresponding to the speed of rotation and the direction of rotation can be evaluated for the desired control and control functions.
  • a locking mechanism is mounted within the one-piece profile and interacts positively with the force transmission element 4.
  • This mechanism the z. B. can be operated by hand with the aid of a square wrench or a magnet, allows the load to be moved 1 and possibly also the other load 1 'connected via the cable 10 to be fixed.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Actuator (AREA)
  • Vehicle Body Suspensions (AREA)
  • Manipulator (AREA)

Abstract

A driving and guiding system for a load (1) to be moved essentially consists of a rodless pressure-medium cylinder, the cylinder body (2) of which contains a piston (3) guided in a longitudinally displaceable manner, and of a power-transmission element (4) which is attached to the piston (3) of the pressure-medium cylinder, interacts via rollers (5) mounted on it with tracks (6) arranged in the longitudinal direction of the cylinder body (2), and is connected to the load (1) to be moved. The cylinder body (2) is held in a fixed position, for example on a vehicle or building. The cylinder body (2) and the tracks (6) are formed together by a one-piece profile. This profile contains the rollers (5), which are provided in pairs in each case, are divided functionally into bearing rollers (5a) and supporting rollers (5b), and are made of non-metallic material at least in the area of their running surface. The bearing rollers (5a) and the supporting rollers (5b) are arranged under the cylinder body (2), the axis of rotation of these rollers (5a, 5b) and the direction of action of the load (1) being at an angle of 90 DEG to one another. <IMAGE>

Description

Die Erfindung betrifft ein Antriebs- und Führungssystem für eine zu bewegende Last, im wesentlichen bestehend aus einem kolbenstangenlosen Druckmittelzylinder, dessen Zylinderkörper einen längsverschiebbar geführten Kolben enthält, und einem am Kolben des Druckmittelzylinders angeschlossenen Kraftübertragungselement, das über daran gelagerte Rollen mit in Längsrichtung des Zylinderkörpers angeordneten Laufbahnen zusammenwirkt und mit der zu bewegenden Last in Verbindung steht, wobei der Zylinderkörper ortsfest - beispielsweise an einem Fahrzeug oder Gebäude - gehalten ist.The invention relates to a drive and guide system for a load to be moved, consisting essentially of a rodless pressure medium cylinder, the cylinder body of which comprises a piston which is guided in a longitudinally displaceable manner, and a force transmission element connected to the piston of the pressure medium cylinder, which is arranged on rollers mounted thereon with in the longitudinal direction of the cylinder body Raceways interact and are connected to the load to be moved, the cylinder body being held stationary, for example on a vehicle or building.

Durch die DE-OS 33 28 786 ist ein Antriebs- und Führungssystem mit einem kolbenstangenlosen Druckmittelzylinder bekannt, dessen Kolben mit einem im Querschnitt etwa T-förmigen Kraftübertragungselement verbunden ist. Die beiden horizontal angeordneten Schenkel dieses Übertragungselements tragen jeweils eine konkav oder konvex gestaltete Laufrolle. Diese Rollen sind um senkrechte Achsen drehbar und wirken mit umgekehrt konvex bzw. konkav ausgebildeten Laufbahnen an den Schmalseiten einer Führungsleiste zusammen, die horizontal und parallel zum Zylinderkörper verläuft. Der Zylinderkörper und die Führungsleiste sind durch Schrauben miteinander verbunden. Außerdem ist am Zylinderkörper ein Verkleidungsprofil angeschraubt, das den Zylinderkörper und das Kraftübertragungselement im Bereich der Rollenführung umgibt.From DE-OS 33 28 786 a drive and guide system with a rodless pressure medium cylinder is known, the piston of which is connected to a power transmission element which is approximately T-shaped in cross section. The two horizontally arranged legs of this transmission element each carry a concave or convex roller. These rollers can be rotated about vertical axes and interact with reversely convex or concave raceways on the narrow sides of a guide rail that runs horizontally and parallel to the cylinder body. The cylinder body and the guide rail are connected to each other by screws. In addition, a cladding profile is screwed to the cylinder body, which surrounds the cylinder body and the power transmission element in the region of the roller guide.

Ein Nachteil des bekannten Antriebs- und Führungssystems liegt in dessen Aufbau aus separaten Teilen, die mit Hilfe gesonderter Schrauben und dafür zu schaffender Bohrungen und Gewinde zusammengefügt werden müssen. Als ungünstig wird auch der sich durch das spezielle Verkleidungsprofil ergebende größere Bedarf an Einbauraum angesehen. Im übrigen ist die vorbeschriebene Wirkverbindung der Profilrollen mit den Laufbahnen der Führungsleiste ungeeignet für den Fall, daß am Kraftübertragungselement eine Last mit erheblichem Gewicht angeschlossen ist. Denn in diesem Fall müßten alle Vertikalkräfte und auch quer zur Bewegungsrichtung wirksame Biegemomente in nachteiliger Weise allein über die Profile der Rollen und der Führungsleiste aufgenommen werden.A disadvantage of the known drive and guide system lies in its construction from separate parts which have to be joined together with the aid of separate screws and holes and threads to be created for this purpose. The greater need for installation space resulting from the special cladding profile is also considered unfavorable. Otherwise, the above-described operative connection of the profile rollers with the raceways of the guide rail is unsuitable in the event that a load with a considerable weight is connected to the force transmission element. Because in this case, all vertical forces and also bending moments effective transversely to the direction of movement would have to be absorbed disadvantageously solely via the profiles of the rollers and the guide bar.

Der Erfindung liegt die Aufgabe zugrunde, ein Antriebs- und Führungssystem der gattungsgemäßen Art auf möglichst einfache Weise derart zu gestalten, daß eine besonders kompakte und kostengünstige Bauform verfügbar ist; dabei sollen hohe Vertikalkräfte und Biegemomente einwandfrei aufgenommen und überdies ein leises, leichtgängiges Laufverhalten erreicht werden, das auch ein manuelles Bewegen der Last zuläßt.The invention has for its object to design a drive and guide system of the generic type in the simplest possible manner such that a particularly compact and inexpensive design is available; high vertical forces and bending moments should be absorbed perfectly and, in addition, quiet, smooth running behavior should be achieved, which also allows the load to be moved manually.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Zylinderkörper und die Laufbahnen gemeinsam durch ein einstückiges Profil gebildet sind, wobei dieses Profil die jeweils paarig vorgesehen, funktionell in Tragrollen und Stützrollen aufgeteilten Rollen enthält, die zumindest im Bereich ihrer Lauffläche aus nichtmetallischem Werkstoff bestehen, und daß die Tragrollen und die Stützrollen unterhalb des Zylinderkörpers angeordnet sind, wobei die Rotationsachse dieser Rollen und die Wirkrichtung der Last unter einem Winkel von 90° zueinander stehen.This object is achieved in that the cylinder body and the raceways are formed together by a one-piece profile, this profile contains the pairs provided, functionally divided into support rollers and support rollers, which consist of non-metallic material at least in the area of their tread, and that the support rollers and the support rollers are arranged below the cylinder body, the axis of rotation of these rollers and the direction of action of the load being at an angle of 90 ° to one another.

Nach einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, daß der Zylinderkörper einen im Inneren des einstückigen Profils parallel zu den Laufbahnen angeordneten, abgedichteten Längsschlitz aufweist. Dabei erfolgt nach einer erfindungsgemäßen Weiterbildung die Kraftübertragung einerseits zwischen den Tragrollen bzw. den Stützrollen und den Laufbahnen und andererseits zwischen dem Profil und dessen ortsfester Halterung in gemeinsamen Wirkebenen, so daß keine die Breite des abgedichteten Längsschlitzes verändernden Momente auftreten.According to a preferred embodiment of the invention it is provided that the cylinder body has a sealed longitudinal slot arranged in the interior of the one-piece profile parallel to the raceways. This is done According to a further development of the invention, the power transmission on the one hand between the support rollers or the support rollers and the raceways and on the other hand between the profile and its fixed mounting in common working planes, so that no moments changing the width of the sealed longitudinal slot occur.

Im Hinblick auf eine Kippbewegungen des Kraftübertragungselements in Längsrichtung ausschließende Führung besteht eine nächste Ausgestaltung der Erfindung darin, daß die Tragrollen und die Stützrollen zum Erzielen einer möglichst großen Trag- und Stützbasis jeweils an den Enden des Kraftübertragungselements gelagert sind. Dabei empfiehlt es sich, z. B. aus Gründen einer rationellen Fertigung, nach einer ergänzenden erfindungsgemäßen Ausgestaltung, daß die an den Enden des Kraftübertragungselements angeordneten Tragrollen und Stützrollen bezogen auf dessen Längsmitte symmetrisch angeordnet sind.With regard to a tilting movement of the power transmission element in the longitudinal direction excluding guidance, a next embodiment of the invention is that the support rollers and the support rollers are each mounted at the ends of the power transmission element to achieve the largest possible support and support base. It is recommended, for. B. for reasons of rational production, according to a supplementary embodiment of the invention that the support rollers and support rollers arranged at the ends of the force transmission element are arranged symmetrically with respect to the longitudinal center thereof.

Um das Kraftübertragungselement stets spielfrei zu führen, liegt eine nächste Ausgestaltung der Erfindung darin, daß die Stützrollen in Richtung auf ihre Laufbahn einstellbar mit dem Kraftübertragungselement verbunden sind.In order to always guide the force transmission element without play, a next embodiment of the invention is that the support rollers are connected to the force transmission element so as to be adjustable in the direction of their career.

Der bereits durch die zumindest umfänglich nichtmetallischen Laufrollen erzielte geräuscharme und leichte Lauf des Kraftübertragungselements wird nach einer weiteren Ausgestaltung der Erfindung noch dadurch verbessert, daß die Laufbahnen und die Tragrollen sowie die Stützrollen in ihrem Querschnitt derart gestaltet sind, daß die Rollen auf beiden Seiten in linienförmiger Berührung mit den Laufbahnen stehen.The low-noise and easy running of the power transmission element already achieved by the at least circumferentially non-metallic rollers is improved according to a further embodiment of the invention in that the raceways and the support rollers and the support rollers are designed in their cross-section such that the rollers on both sides in a linear shape Be in contact with the raceways.

Um die Geräuschentwicklung so gering wie möglich zu halten, ist gemäß einer anderen Ausgestaltung der Erfindung vorgesehen, daß der Rollweg des Kraftübertragungselements innerhalb des Profils durch justierbare Anschläge begrenzt ist, die mit geräuschdämpfenden elastischen Blöcken zusammenwirken.In order to keep the noise level as low as possible, it is provided according to another embodiment of the invention that the rolling path of the force transmission element within the profile is limited by adjustable stops, that interact with noise-absorbing elastic blocks.

Falls in bezug auf die zu bewegende Last Kontroll- und Steuerungsfunktionen gewünscht sind oder eine zusätzliche Antriebsaufgabe erfüllt werden soll, bietet eine weitere Ausführungsform der Erfindung an, daß an den beiden Längsenden des Profils jeweils eine Umlenkrolle für ein am Kraftübertragungselement angeschlossenes Band oder Seil gelagert ist.If control and control functions are desired in relation to the load to be moved or an additional drive task is to be performed, a further embodiment of the invention offers that a deflection roller for a band or rope connected to the force transmission element is mounted on the two longitudinal ends of the profile .

Für ein synchrones Bewegen von zwei Lasten, beispielsweise von zwei Flügeln einer Schiebetür, ist nach einer erfindungsgemäßen Weiterbildung vorgesehen, daß am Band oder Seil ein zweites Kraftübertragungselement für eine weitere, insbesondere gegenläufig zu bewegende Last angeschlossen ist, wobei dieses zweite Kraftübertragungselement ebenfalls die Tragrollen und die Stützrollen aufweist, jedoch nicht mit dem Kolben des Druckmittelzylinders verbunden ist.For a synchronous movement of two loads, for example two wings of a sliding door, according to a further development according to the invention it is provided that a second force transmission element for a further load, in particular a load to be moved, is connected to the belt or rope, this second force transmission element likewise carrying rollers and has the support rollers, but is not connected to the piston of the pressure medium cylinder.

Im Sinne der bereits erwähnten Kontroll- und Steuerungsfunktionen bietet eine weitere Ausgestaltung der Erfindung an, daß eine der beiden Umlenkrollen mit einem Wegmeßsystem gekoppelt ist. Für denselben Zweck besteht eine erfindungsgemäße Bauform darin, daß eine der beiden Umlenkrollen selbst als Signalscheibe ausgebildet oder mit einer separaten Signalscheibe gekoppelt ist, wobei diese Umlenkrolle oder die separate Signalscheibe mit einfachen elektrischen Signalgebern derart zusammenwirkt, daß die Impulse der Signalgeber für die Geschwindigkeitsüberwachung und/oder für das Erkennen der Bewegungsrichtung der Last auswertbar sind.In the sense of the control and control functions already mentioned, a further embodiment of the invention offers that one of the two deflection rollers is coupled to a position measuring system. For the same purpose, a design according to the invention consists in that one of the two deflection rollers itself is designed as a signal disk or is coupled to a separate signal disk, this deflection roller or the separate signal disk interacting with simple electrical signal transmitters in such a way that the pulses of the signal transmitters for speed monitoring and / or can be evaluated for the detection of the direction of movement of the load.

Um die zu bewegende Last fixieren zu können, sieht eine weitere Ausgestaltung der Erfindung vor, daß innerhalb des einstückigen Profils ein Verriegelungsmechanismus gelagert ist, der mit dem Kraftübertragungselement oder damit verbundenen Teilen formschlüssig zusammenwirkt.In order to be able to fix the load to be moved, a further embodiment of the invention provides that a locking mechanism is mounted within the one-piece profile, which interacts positively with the force transmission element or parts connected therewith.

Im Hinblick auf einen besonders langen betrieblichen Einsatz der Tragrollen wird gemäß einer nächsten Ausgestaltung der Erfindung vorgeschlagen, daß zwischen dem einstückigen Profil und der Aufhängung der Last magnetische Kräfte zur Entlastung der Tragrollen wirksam sind. Im Interesse der gewollten kompakten Bauform besteht eine erfindungsgemäße Ergänzung darin, daß das Profil mit Nuten zur Aufnahme von streifenförmigen Permanentmagneten oder von Stahlbändern versehen ist.With regard to a particularly long operational use of the idlers, it is proposed according to a next embodiment of the invention that magnetic forces are effective between the one-piece profile and the suspension of the load to relieve the idlers. In the interest of the desired compact design, an addition according to the invention is that the profile is provided with grooves for receiving strip-shaped permanent magnets or steel strips.

Das Antriebs- und Führungssystem nach der Erfindung zeichnet sich insbesondere durch seine kompakte Bauform aus, die speziell beengten Einbauverhältnissen gerecht wird. Das einstückige Profil, bei dem sämtliche Antriebs-, Trag- und Führungselemente zusammengefaßt sind, sowie die erfindungsgemäße Anordnung und Gestaltung der Laufrollen erfüllen auf kostengünstige Weise alle Anforderungen nach einer hohen Belastbarkeit und einem leichtgängigen, geräusch- und wartungsarmen Betrieb.The drive and guide system according to the invention is characterized in particular by its compact design, which is particularly suitable for cramped installation conditions. The one-piece profile, in which all drive, support and guide elements are combined, as well as the arrangement and design of the rollers according to the invention meet all the requirements for a high load capacity and smooth, low-noise and low-maintenance operation in a cost-effective manner.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.
Es zeigen

Fig. 1A
ein erfindungsgemäßes Antriebs- und Führungssystem
Fig. 1B
sowie einen Teilbereich eines zugeordneten Bauteils, in Seitenansicht,
Fig. 2
die Draufsicht zu Fig. 1A,
Fig. 3
den Schnitt nach der Linie A - A in Fig. 1A,
Fig. 4
den Schnitt nach der Linie B - B in Fig. 1A,
Fig. 5
den Schnitt nach der Linie C - C in Fig. 1A,
Fig. 6
den Schnitt nach der Linie D - D in Fig. 1A.
An embodiment of the invention is shown in the drawing and will be described in more detail below.
Show it
Fig. 1A
an inventive drive and guidance system
Figure 1B
as well as a partial area of an assigned component, in side view,
Fig. 2
the top view of Fig. 1A,
Fig. 3
the section along the line A - A in Fig. 1A,
Fig. 4
the section along the line B - B in Fig. 1A,
Fig. 5
the section along the line C - C in Fig. 1A,
Fig. 6
the section along the line D - D in Fig. 1A.

Das an einer ortsfesten Halterung 7 angeschraubte einstückige Profil weist einen Zylinderkörper 2 eines kolbenstangenlosen Druckmittelzylinders und Laufbahnen 6 für Rollen 5 auf. Der mit einem abgedichteten Längsschlitz 2a versehene Zylinder 2 enthält einen längsverschiebbar geführten Kolben 3, an dem ein Kraftübertragungselement 4 angeschlossen ist, das ähnlich einem Laufwagen und im vorliegenden Ausführungsbeispiel aus mehreren miteinander verschraubten Bauteilen gebildet ist. Dieses Element 4 steht über Tragarme 4a mit einer zu bewegenden Last 1 in Verbindung, beispielsweise einer relativ schweren Schiebetür aus Glas.The one-piece profile screwed to a fixed holder 7 has a cylinder body 2 of a rodless pressure medium cylinder and raceways 6 for rollers 5. The one with a sealed longitudinal slot 2a provided cylinder 2 contains a longitudinally displaceable piston 3, to which a power transmission element 4 is connected, which is formed similar to a carriage and in the present embodiment from a plurality of components screwed together. This element 4 is connected via support arms 4a to a load 1 to be moved, for example a relatively heavy sliding glass door.

Die im Profil unterhalb des Zylinderkörpers 2 angeordneten, an den Enden des Kraftübertragungselements 4 gelagerten Rollen 5 sind funktionell in Tragrollen 5a und Stützrollen 5b aufgeteilt und jeweils paarig vorgesehen. Die Stützrollen 5b sind in Richtung auf ihre Laufbahn 6 einstellbar mit dem Kraftübertragungselement 4 verbunden. Die Laufbahnen 6 und die zumindest im Bereich ihrer Lauffläche aus nichtmetallischem Werkstoff gebildeten Tragrollen 5a sowie die Stützrollen 5b sind in ihrem Querschnitt derart aufeinander abgestimmt, daß die Rollen 5a und 5b auf beiden Seiten in linienförmiger Berührung mit den Laufbahnen 6 stehen. Dies ist beispielsweise einfach dadurch zu erreichen, daß die Rollen 5a und 5b im Bereich ihrer Lauffläche wie gezeigt halbkreisförmig und die Laufbahnen 6 im Querschnitt ähnlich einem gotischen Bogen (nicht dargestellt) gestaltet sind.The rollers 5, arranged in profile below the cylinder body 2 and supported at the ends of the force transmission element 4, are functionally divided into support rollers 5a and support rollers 5b and are each provided in pairs. The support rollers 5b are adjustably connected to the force transmission element 4 in the direction of their track 6. The raceways 6 and the support rollers 5a formed at least in the area of their running surface from non-metallic material and the support rollers 5b are coordinated with one another in their cross section such that the rollers 5a and 5b are in linear contact with the raceways 6 on both sides. This can be easily achieved, for example, by designing the rollers 5a and 5b in the area of their running surface as semicircular as shown and the raceways 6 in cross section similar to a Gothic arch (not shown).

Die Rotationsachse der Tragrollen 5a und der Stützrollen 5b und die Wirkrichtung der zu bewegenden Last 1 stehen unter einem Winkel von 90° zueinander. Wie insbesondere aus den Fig. 3 und 4 ersichtlich ist, erfolgt die Kraftübertragung einerseits zwischen den Tragrollen 5a bzw. den stützrollen 5b und den Laufbahnen 6 und andererseits zwischen dem Profil und der ortsfesten Halterung 7 in gemeinsamen Wirkebenen, so daß keine die Breite des Längsschlitzes 2a verändernden Momente auftreten.The axis of rotation of the support rollers 5a and the support rollers 5b and the direction of action of the load 1 to be moved are at an angle of 90 ° to one another. As can be seen in particular from FIGS. 3 and 4, the power transmission takes place on the one hand between the support rollers 5a or the support rollers 5b and the raceways 6 and on the other hand between the profile and the fixed holder 7 in common working planes, so that none of the width of the longitudinal slot 2a changing moments occur.

Zwischen dem einstückigen Profil und der Aufhängung der Last 1 können magnetische Kräfte im Sinne einer Entlastung der Tragrollen 5a wirksam sein. Die Tragrollen 5a werden dann also nicht mit dem vollen Gewicht der Last 1 beaufschlagt. Das Profil weist Nuten 11a auf, in denen streifenförmige Permanentmagnete oder Stahlbänder 11 eingebettet sein können.Between the one-piece profile and the suspension of the load 1, magnetic forces can relieve the Carrier rollers 5a be effective. The support rollers 5a are then not loaded with the full weight of the load 1. The profile has grooves 11a in which strip-shaped permanent magnets or steel strips 11 can be embedded.

Gemäß Fig. 1A, 1B und 3 ist an den beiden Längsenden des Profils jeweils eine Umlenkrolle 9 für ein Seil 10 gelagert, das z. B. aus Stahl mit einer Ummantelung aus Kunststoff besteht. Dieses Seil 10 ist durch eine Klemmverbindung (siehe Fig. 6) am Kraftübertragungselement 4 befestigt. An der in Längsrichtung gegenüberliegenden und bezogen auf Fig. 1B rückwärtigen Seite des Antriebsseils 10 ist ein zweites Kraftübertragungselement 4' für eine weitere, gegenläufig zu bewegende Last 1' angeschlossen. Das zweite Kraftübertragungselement 4' weist ebenfalls die Tragrollen 5a und die Stützrollen 5b auf. Es ist jedoch nicht mit dem Kolben 3 des Druckmittelzylinders verbunden.1A, 1B and 3, a pulley 9 for a rope 10 is mounted on the two longitudinal ends of the profile, the z. B. consists of steel with a casing made of plastic. This cable 10 is fastened to the force transmission element 4 by a clamp connection (see FIG. 6). A second force transmission element 4 'for a further load 1' which is to be moved in opposite directions is connected to the side of the drive cable 10 which is opposite in the longitudinal direction and rearward in relation to FIG. 1B. The second power transmission element 4 'also has the support rollers 5a and the support rollers 5b. However, it is not connected to the piston 3 of the pressure cylinder.

Für das Bewegen der Last 1 wird der Kolben 3 des Druckmittelzylinders auf der einen oder der anderen Seite mit Luft beaufschlagt. Der Rollweg des Kraftübertragungselements 4 ist durch innerhalb des Profils angeordnete justierbare Anschläge 8 begrenzt, die mit geräuschdämpfenden, hier an den Enden des Kraftübertragungselements 4 angebrachten elastischen Blöcken 8a zusammenwirken. Über das beschriebene Seil 10 werden zugleich das zweite Kraftübertragungselement 4' und damit die weitere Last 1' bewegt.For moving the load 1, the piston 3 of the pressure medium cylinder is pressurized with air on one side or the other. The rolling path of the force transmission element 4 is limited by adjustable stops 8 arranged inside the profile, which interact with noise-damping elastic blocks 8a, which are attached to the ends of the force transmission element 4. The second power transmission element 4 'and thus the further load 1' are simultaneously moved via the cable 10 described.

Um die Geschwindigkeit der zu bewegenden Last 1 überwachen zu können und/oder deren Bewegungsrichtung erkennen zu können, ist eine der beiden Umlenkrollen 9 als Signalscheibe ausgebildet, beispielsweise durch eine spezielle Profilierung ihrer Stirnfläche. Alternativ kann eine der beiden Umlenkrollen 9 mit einer separaten Signalscheibe gekoppelt sein. Die besagte Umlenkrolle 9 oder die separate Signalscheibe wirkt mit einfachen elektrischen Signalgebern zusammen, deren der Drehgeschwindigkeit und der Drehrichtung entsprechende Impulse für die gewünschten Kontroll- und Steuerungsfunktionen auswertbar sind.In order to be able to monitor the speed of the load 1 to be moved and / or to be able to recognize its direction of movement, one of the two deflecting rollers 9 is designed as a signal disk, for example by a special profiling of its end face. Alternatively, one of the two deflection rollers 9 can be coupled to a separate signal disk. Said deflection roller 9 or the separate signal disk works with simple electrical signal transmitters together, whose pulses corresponding to the speed of rotation and the direction of rotation can be evaluated for the desired control and control functions.

Innerhalb des einstückigen Profils ist ein nicht gezeichneter Verriegelungsmechanismus gelagert, der mit dem Kraftübertragungselement 4 formschlüssig zusammenwirkt. Dieser Mechanismus, der z. B. von Hand mit Hilfe eines Vierkantschlüssels oder über einen Magneten betätigbar ist, erlaubt ein Fixieren der zu bewegenden Last 1 und ggf. auch der weiteren, über das Seil 10 angeschlossenen Last 1'.A locking mechanism, not shown, is mounted within the one-piece profile and interacts positively with the force transmission element 4. This mechanism, the z. B. can be operated by hand with the aid of a square wrench or a magnet, allows the load to be moved 1 and possibly also the other load 1 'connected via the cable 10 to be fixed.

Liste der BezugszeichenList of reference numbers

11
zu bewegende Lastload to be moved
1'1'
weitere Lastfurther load
22nd
ZylinderkörperCylinder body
2a2a
abgedichteter Längsschlitzsealed longitudinal slot
33rd
Kolbenpiston
44th
KraftübertragungselementPower transmission element
4'4 '
zweites Kraftübertragungselementsecond power transmission element
4a4a
TragarmBeam
55
Rollenroll
5a5a
TragrolleIdler
5b5b
StützrolleSupport roller
66
Laufbahncareer
77
ortsfeste Halterungstationary bracket
88th
justierbarer Anschlagadjustable stop
8a8a
geräuschdämfender elastischer Blocknoise-absorbing elastic block
99
UmlenkrollePulley
1010th
Seil oder BandRope or ribbon
1111
streifenförmiger Permanentmagnet oder Stahlbandstrip-shaped permanent magnet or steel band
11a11a
Nut des einstückigen ProfilsGroove of the one-piece profile

Claims (15)

Antriebs- und Führungssystem für eine zu bewegende Last (1), im wesentlichen bestehend aus einem kolbenstangenlosen Druckmittelzylinder, dessen Zylinderkörper (2) einen längsverschiebbar geführten Kolben (3) enthält, und einem am Kolben (3) des Druckmittelzylinders angeschlossenen Kraftübertragungselement (4), das über daran gelagerte Rollen (5) mit in Längsrichtung des Zylinderkörpers (2) angeordneten Laufbahnen (6) zusammenwirkt und mit der zu bewegenden Last (1) in Verbindung steht, wobei der Zylinderkörper (2) ortsfest - beispielsweise an einem Fahrzeug oder Gebäude - gehalten ist, dadurch gekennzeichnet, daß der Zylinderkörper (2) und die Laufbahnen (6) gemeinsam durch ein einstückiges Profil gebildet sind, wobei dieses Profil die jeweils paarig vorgesehenen, funktionell in Tragrollen (5a) und Stützrollen (5b) aufgeteilten Rollen (5) enthält, die zumindest im Bereich ihrer Lauffläche aus nichtmetallischem Werkstoff bestehen, und daß die Tragrollen (5a) und die Stützrollen (5b) unterhalb des Zylinderkörpers (2) angeordnet sind, wobei die Rotationsachse dieser Rollen (5a, 5b) und die Wirkrichtung der Last (1) unter einem Winkel von 90° zueinander stehen.Drive and guide system for a load to be moved (1), consisting essentially of a rodless pressure medium cylinder, the cylinder body (2) of which contains a piston (3) which is guided in a longitudinally displaceable manner, and a force transmission element (4) connected to the piston (3) of the pressure medium cylinder, which cooperates with rollers (5) mounted on it with raceways (6) arranged in the longitudinal direction of the cylinder body (2) and is connected to the load (1) to be moved, the cylinder body (2) being stationary - for example on a vehicle or building - is held, characterized in that the cylinder body (2) and the raceways (6) are jointly formed by a one-piece profile, this profile being the paired rollers (5) functionally divided into support rollers (5a) and support rollers (5b) contains, at least in the area of their tread made of non-metallic material, and that the support rollers (5a) and the S support rollers (5b) are arranged below the cylinder body (2), the axis of rotation of these rollers (5a, 5b) and the direction of action of the load (1) being at an angle of 90 ° to one another. Antriebs- und Führungssystem nach Anspruch 1, dadurch gekennzeichnet, daß der Zylinderkörper (2) einen im Inneren des einstückigen Profils parallel zu den Laufbahnen (6) angeordneten, abgedichteten Längsschlitz (2a) aufweist.Drive and guide system according to Claim 1, characterized in that the cylinder body (2) has a sealed longitudinal slot (2a) which is arranged in the interior of the one-piece profile and parallel to the raceways (6). Antriebs- und Führungssystem nach Anspruch 2, dadurch gekennzeichnet, daß die Kraftübertragung einerseits zwischen den Tragrollen (5a) bzw. den Stützrollen (5b) und den Laufbahnen (6) und andererseits zwischen dem Profil und dessen ortsfester Halterung (7) in gemeinsamen Wirkebenen erfolgt, so daß keine die Breite des abgedichteten Längsschlitzes (2a) verändernden Momente auftreten.Drive and guide system according to claim 2, characterized in that the power transmission takes place on the one hand between the support rollers (5a) or the support rollers (5b) and the raceways (6) and on the other hand between the profile and its fixed holder (7) in common working planes , so that no moments changing the width of the sealed longitudinal slot (2a) occur. Antriebs- und Führungssystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Tragrollen (5a) und die stützrollen (5b) zum Erzielen einer möglichst großen Trag- und Stützbasis jeweils an den Enden des Kraftübertragungselements (4) gelagert sind.Drive and guide system according to one of Claims 1 to 3, characterized in that the support rollers (5a) and the support rollers (5b) are each mounted at the ends of the force transmission element (4) in order to achieve the largest possible support and support base. Antriebs- und Führungssystem nach Anspruch 4, dadurch gekennzeichnet, daß die an den Enden des Kraftübertragungselements (4) gelagerten Tragrollen (5a) und Stützrollen (5b) bezogen auf dessen Längsmitte symmetrisch angeordnet sind.Drive and guide system according to Claim 4, characterized in that the support rollers (5a) and support rollers (5b) mounted on the ends of the force transmission element (4) are arranged symmetrically with respect to the longitudinal center thereof. Antriebs- und Führungssystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Stützrollen (5b) in Richtung auf ihre Laufbahn (6) einstellbar mit dem Kraftübertragungselement (4) verbunden sind.Drive and guide system according to one of Claims 1 to 5, characterized in that the support rollers (5b) are connected to the force transmission element (4) so as to be adjustable in the direction of their track (6). Antriebs- und Führungssystem nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Laufbahnen (6) und die Tagrollen (5a) sowie die Stützrollen (5b) in ihrem Querschnitt derart gestaltet sind, daß die Rollen (5a, 5b) auf beiden Seiten in linienförmiger Berührung mit den Laufbahnen (6) stehen.Drive and guide system according to one of claims 1 to 6, characterized in that the raceways (6) and the day rollers (5a) and the support rollers (5b) are designed in their cross section such that the rollers (5a, 5b) on both Sides are in linear contact with the raceways (6). Antriebs und Führungssystem nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Rollweg des Kraftübertragungselements (4) innerhalb des Profils durch justierbare Anschläge (8) begrenzt ist, die mit geräuschdämpfenden elastischen Blöcken (8a) zusammenwirken.Drive and guide system according to one of claims 1 to 7, characterized in that the rolling path of the force transmission element (4) within the profile is limited by adjustable stops (8) which interact with noise-damping elastic blocks (8a). Antriebs- und Führungssystem nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß an den beiden Längsenden des Profils jeweils eine Umlenkrolle (9) für ein am Kraftübertragungselement (4) angeschlossenes Band oder Seil (10) gelagert ist.Drive and guide system according to one of Claims 1 to 8, characterized in that a deflection roller (9) for a band or rope (10) connected to the force transmission element (4) is mounted on each of the two longitudinal ends of the profile. Antriebs- und Führungssystem nach Anspruch 9, dadurch gekennzeichnet, daß am Band oder Seil (10) ein zweites Kraftübertragselement (4') für eine weitere, insbesondere gegenläufig zu bewegende Last (1') angeschlossen ist, wobei dieses zweite Kraftübertragungselement (4') ebenfalls die Tragrollen (5a) und die Stützrollen (5b) aufweist, jedoch nicht mit dem Kolben (3) des Druckmittelzylinders verbunden ist.Drive and guide system according to Claim 9, characterized in that a second force transmission element (4 ') for a further load (1'), in particular to be moved in opposite directions, is connected to the belt or rope (10), this second force transmission element (4 ') also has the support rollers (5a) and the support rollers (5b), but is not connected to the piston (3) of the pressure medium cylinder. Antriebs- und Führungssystem nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß eine der beiden Umlenkrollen (9) mit einem Wegmeßsystem gekoppelt ist.Drive and guide system according to claim 9 or 10, characterized in that one of the two deflection rollers (9) is coupled to a position measuring system. Antriebs- und Führungssystem nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß eine der beiden Umlenkrollen (9) selbst als Signalscheibe ausgebildet oder mit einer separaten Signalscheibe gekoppelt ist, wobei diese Umlenkrolle (9) oder die separate Signalscheibe mit einfachen elektrischen Signalgebern derart zusammenwirkt, daß die Impulse der Signalgeber für die Geschwindigkeitsüberwachung und/oder für das Erkennen der Bewegungsrichtung der Last (1) auswertbar sind.Drive and guide system according to one of Claims 9 to 11, characterized in that one of the two deflection rollers (9) itself is designed as a signal disc or is coupled to a separate signal disc, this deflection roller (9) or the separate signal disc having simple electrical signal transmitters of this type cooperates that the pulses of the signal generator for speed monitoring and / or for detecting the direction of movement of the load (1) can be evaluated. Antriebs- und Führungssystem nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß innerhalb des einstückigen Profils ein Verriegelungsmechanismus gelagert ist, der mit dem Kraftübertragungselement (4) oder damit verbundenen Teilen formschlüssig zusammenwirkt.Drive and guide system according to one of claims 1 to 12, characterized in that a locking mechanism is mounted within the one-piece profile, which interacts positively with the force transmission element (4) or parts connected therewith. Antriebs- und Führungssystem nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß zwischen dem einstückigen Profil und der Aufhängung der Last (1) magnetische Kräfte zur Entlastung der Tragrollen (5a) wirksam sind.Drive and guide system according to one of Claims 1 to 13, characterized in that magnetic forces are effective between the one-piece profile and the suspension of the load (1) in order to relieve the load on the support rollers (5a). Antriebs- und Führungssystem nach Anspruch 14, dadurch gekennzeichnet, daß das Profil mit Nuten (11a) zur Aufnahme von streifenförmigen Permanentmagneten oder von Stahlbändern (11) versehen ist.Drive and guide system according to claim 14, characterized in that the profile is provided with grooves (11a) for receiving strip-shaped permanent magnets or steel strips (11).
EP94114794A 1993-09-24 1994-09-20 Driving and guiding system for moving a load Expired - Lifetime EP0645544B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4332547 1993-09-24
DE4332547A DE4332547A1 (en) 1993-09-24 1993-09-24 Drive and guidance system for a load to be moved

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EP0645544A1 true EP0645544A1 (en) 1995-03-29
EP0645544B1 EP0645544B1 (en) 1998-12-30

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AT (1) ATE175257T1 (en)
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Publication number Priority date Publication date Assignee Title
DE19604997C2 (en) * 1996-02-12 1999-07-15 Duewag Ag Drive system for a load to be moved
EP1022472A2 (en) 1999-01-22 2000-07-26 Hygrama Ag Combined drive and guide system for a movable load
US6401593B1 (en) 1998-09-17 2002-06-11 Festo Ag & Co. Drive and guide means for a load to be moved

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Publication number Priority date Publication date Assignee Title
DE19611322C2 (en) * 1996-03-22 2000-05-25 Dowaldwerke Adolf Dowald Gmbh Drive and guidance system

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DE4027636A1 (en) * 1990-08-31 1992-04-09 Airtec Pneumatic Gmbh FLUID-DRIVEN PISTONLESS WORK CYLINDER
EP0542211A1 (en) * 1991-11-11 1993-05-19 Smc Kabushiki Kaisha Rodless cylinder

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DE2404244A1 (en) * 1974-01-30 1975-08-07 Ahrendt & Birkendahl Ohg Working cylinder withoutt piton rod - has piston connected via tension element to external unit
DE3436977A1 (en) * 1984-10-09 1986-04-10 Antriebs Steuerungstech Ges LINEAR ACTUATOR

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
DE4027636A1 (en) * 1990-08-31 1992-04-09 Airtec Pneumatic Gmbh FLUID-DRIVEN PISTONLESS WORK CYLINDER
EP0542211A1 (en) * 1991-11-11 1993-05-19 Smc Kabushiki Kaisha Rodless cylinder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604997C2 (en) * 1996-02-12 1999-07-15 Duewag Ag Drive system for a load to be moved
US6401593B1 (en) 1998-09-17 2002-06-11 Festo Ag & Co. Drive and guide means for a load to be moved
EP1022472A2 (en) 1999-01-22 2000-07-26 Hygrama Ag Combined drive and guide system for a movable load
AT407430B (en) * 1999-01-22 2001-03-26 Hygrama Ag COMBINED DRIVE AND GUIDE SYSTEM FOR A LOAD TO BE MOVED
EP1022472A3 (en) * 1999-01-22 2001-08-08 Hygrama Ag Combined drive and guide system for a movable load

Also Published As

Publication number Publication date
DE4332547A1 (en) 1995-03-30
DK0645544T3 (en) 1999-10-25
EP0645544B1 (en) 1998-12-30
ATE175257T1 (en) 1999-01-15
DE59407554D1 (en) 1999-02-11

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