EP2022746A2 - Lifting device for vehicles - Google Patents

Lifting device for vehicles Download PDF

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Publication number
EP2022746A2
EP2022746A2 EP08013207A EP08013207A EP2022746A2 EP 2022746 A2 EP2022746 A2 EP 2022746A2 EP 08013207 A EP08013207 A EP 08013207A EP 08013207 A EP08013207 A EP 08013207A EP 2022746 A2 EP2022746 A2 EP 2022746A2
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EP
European Patent Office
Prior art keywords
lifting device
support arms
lifting
support arm
support
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
EP08013207A
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German (de)
French (fr)
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EP2022746A3 (en
EP2022746B1 (en
Inventor
Hans Nussbaum
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.)
Otto Nussbaum GmbH and Co KG
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Otto Nussbaum GmbH and Co KG
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Publication of EP2022746A2 publication Critical patent/EP2022746A2/en
Publication of EP2022746A3 publication Critical patent/EP2022746A3/en
Application granted granted Critical
Publication of EP2022746B1 publication Critical patent/EP2022746B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

Definitions

  • the invention relates to a lifting device for motor vehicles and has liftable and lowerable lifting carriage, which form a fork-like receptacle via two approximately horizontal and parallel support arms in order to engage under the outer circumference of a vehicle wheel, wherein the support arms are adjustably mounted on their lifting carriage, to adjust their distance to the wheel diameter.
  • the common wheel diameters vary between about 0.5 meters and about 1.2 meters. Therefore, it is known to adjustably mount the support arms on their lift carriage so that the operator can adjust the support arms to an approximate distance before driving under the vehicle to engage the respective vehicle wheel as the lift carriage lifts later ,
  • the object of the present invention is to improve the lifting device of the type described above in terms of their operating safety.
  • the correct adjustment of the support arms should be facilitated.
  • the invention should be characterized by robust and inexpensive construction.
  • a scale is attached to the bearing of the support arms and at least one of the two support arms has a mark that runs along the mark during adjustment of the support arm.
  • the support arms can be adjusted exactly and quickly to the appropriate wheel diameter.
  • the operator only needs to read the tire size and can then adjust one or both support arms with the help of the scale directly to the desired position. So that the operator does not need to convert anything, the scaling can directly indicate the wheel diameter.
  • the scaling is positionally arranged so that the support arms still hold the seated wheel reliably, even when the air pressure escapes from the tire.
  • the adjustable support arm - optionally both support arms - has a running in the adjustment direction perforated strip and this hole bar cooperates with a blocking element which is arranged on the support arm storage.
  • this blocking element is designed as a retaining bolt, which is perpendicular to the adjustment, in particular from above, in the perforated strip (s) can be inserted.
  • the blocking element can still be locked in its inserted blocking position by a securing element against axial withdrawal.
  • both arms of the lifting device are adjustable, it is recommended that they have converging, but transversely offset perforated strips that overlap more or less depending on the position of the support arms and interact with a common blocking element. As a result, both support arms can be held in one operation and with only one blocking element at the same time.
  • each support arm has a blocking element that is then inserted into the perforated strip when the desired position of the support arm is reached.
  • the support arms can not be adjusted independently, but are synchronized with each other by connecting elements, such that the adjustment of a support arm simultaneously causes a uniform adjustment of the other support arm and the middle between two support arms their position maintains.
  • the wheel axle always remains in the center and there are no lateral forces on the lifting device, so that they can be built slim, because they do not require wide support.
  • the synchronization of the two support arms can be done either by two flexible traction means, which are each connected via a pulley with the other arm or via racks, which mesh with opposite sides of a gear.
  • the lifting device consists of a column 1, on which a lifting 2 is guided adjustable in height.
  • the height adjustment of the lifting carriage 2 can be done electrically or hydraulically and is basically known.
  • the lifting carriage 2 On its side facing away from the column 1, the lifting carriage 2 carries two support arms 3 and 4, which extend approximately horizontally away from the lifting carriage and serve to engage under a wheel of the vehicle to be lifted on the outer circumference.
  • the support arms can be adapted to different wheel diameters, they are mounted horizontally displaceable on the lifting carriage 2.
  • the support arms are hook-shaped at the end of their upwardly projecting legs 3a and 4a, respectively, so that they can be plugged from above onto a corresponding guide rail of the lifting carriage 2 and are stably supported by their own weight on the lifting carriage with simultaneous horizontal displaceability.
  • a horizontally extending scale bar 5 is arranged with a left and a right scale respectively in the region of the support arm 3 and 4 and that the two support arms have respective viewing windows 3b and 4b, in which one can read the set scale value ,
  • the scale value 8 For odd rim sizes, such as 15 inches, one of the two support arms is moved to the scale value 7. It then only results in an offset of the wheel axle of about 1.3 centimeters, which is negligible.
  • the blocking device by means of which the two support arms 3 and 4 can be fixed in their respective position.
  • This blocking device consists of a respective associated with the associated support arm perforated strip 3c and 4c, both perforated strips in the adjustment direction to run towards each other and overlap at their terminal areas.
  • the blocking device is composed of a retaining bolt 6, which is hin frenchsteckbar by stationary holes on the lifting carriage and at the same time by aligned holes in the two perforated strips and thus locks the perforated strips in a form-fitting manner in the desired position.
  • the holes on the lifting carriage are in 2 plates 2a and 2b attached, which are positioned above and below the perforated strips.
  • the retaining bolt can therefore be inserted from above and is held by its own weight as soon as its projecting head rests against the upper plate 2a.
  • the perforated strips 3c and 4c run approximately at the level of the support arms 3 and 4, so that they can optimally absorb the spreading forces exerted by the tire.
  • a spreading of the support arms is avoided, although the support arms are mounted at its upper end horizontally movable on the lifting.
  • the retaining bolt 6 can be secured in its inserted position still by a pushed-in protruding lower end securing element, in particular a flap spring 7 against pulling out. Jumping out of the blocking device as in the usual rack racks is excluded.
  • the bores on the lift carriage as well as the holes in the perforated rails are positioned so that they are aligned only when the two support arms are in a scaled position, ie not between two inch values.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Handcart (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The device has a liftable and lowerable lifting slide (2) with two horizontal and parallel running support arms (3, 4) for forming a fork-shaped retainer. The retainer grips the outer circumference of vehicle wheels from bottom. The support arms are movably supported at the lifting slide in order to adjust the distance of the support arms to the wheel diameter. A scale (5) is attached at the bearing of the support arms, where one of the support arms exhibits a marking (3b), which runs along the scale during adjustment of the support arms.

Description

Die Erfindung betrifft eine Hubvorrichtung für Kraftfahrzeuge und weist heb-und senkbare Hubschlitten auf, die über jeweils zwei etwa horizontal und parallel verlaufende Tragarme eine gabelartige Aufnahme bilden, um den äußeren Umfang eines Fahrzeugrades zu untergreifen, wobei die Tragarme verstellbar an ihrem Hubschlitten gelagert sind, um ihren Abstand an den Raddurchmesser anzupassen.The invention relates to a lifting device for motor vehicles and has liftable and lowerable lifting carriage, which form a fork-like receptacle via two approximately horizontal and parallel support arms in order to engage under the outer circumference of a vehicle wheel, wherein the support arms are adjustably mounted on their lifting carriage, to adjust their distance to the wheel diameter.

In der Praxis schwanken die gängigen Raddurchmesser zwischen etwa 0,5 Meter und etwa 1,2 Meter. Daher ist es bekannt, die Tragarme verstellbar an ihrem Hubschlitten zu lagern, so dass die Bedienungsperson die Tragarme auf einen ungefähr passenden Abstand einstellen kann, bevor sie unter das Fahrzeug gefahren werden, um beim späteren Anheben des Hubschlittens in Eingriff mit dem jeweiligen Fahrzeugrad zu gelangen.In practice, the common wheel diameters vary between about 0.5 meters and about 1.2 meters. Therefore, it is known to adjustably mount the support arms on their lift carriage so that the operator can adjust the support arms to an approximate distance before driving under the vehicle to engage the respective vehicle wheel as the lift carriage lifts later ,

Untersuchungen der Anmelderin haben nun ergeben, dass die Einstellung der Tragarme auf den richtigen Abstand mit Unsicherheiten verbunden ist. Bei ungenügender Erfahrung und Sorgfalt der Bedienungsperson kann es beispielsweise bei niedrigem Luftdruck im Reifen passieren, dass die Tragarme zunächst in einer noch geeignet erscheinenden Position des Reifens angreifen, dass der Reifen aber beim anschließenden Hubvorgang aufgrund der Gewichtsbelastung an den Tragarmen soweit nachgibt, dass das Rad durchrutscht.Investigations by the applicant have now shown that the adjustment of the support arms is connected to the correct distance with uncertainties. With insufficient experience and care of the operator, it may happen, for example, at low air pressure in the tire that the support arms initially attack in a still suitable appearing position of the tire, but that the tire yields during the subsequent lifting due to the weight load on the support arms so far that the wheel slips.

Daher liegt die Aufgabe der vorliegenden Erfindung darin, die Hubvorrichtung der eingangs beschriebenen Gattung hinsichtlich ihrer Bedienungssicherheit zu verbessern. Insbesondere soll die richtige Einstellung der Tragarme erleichtert werden. Nicht zuletzt soll sich die Erfindung durch robusten und kostengünstigen Aufbau auszeichnen.Therefore, the object of the present invention is to improve the lifting device of the type described above in terms of their operating safety. In particular, the correct adjustment of the support arms should be facilitated. Not least, the invention should be characterized by robust and inexpensive construction.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass an der Lagerung der Tragarme eine Skalierung angebracht ist und zumindest einer der beiden Tragarme eine Markierung aufweist, die bei Verstellung des Tragarmes an der Markierung entlang läuft.This object is achieved in that a scale is attached to the bearing of the support arms and at least one of the two support arms has a mark that runs along the mark during adjustment of the support arm.

Hierdurch ergibt sich der Vorteil, dass die Tragarme exakt und schnell auf den passenden Raddurchmesser eingestellt werden können. Die Bedienungsperson braucht lediglich die Reifengröße abzulesen und kann dann einen oder beide Tragarme mit Hilfe der Skalierung unmittelbar auf die Sollposition einstellen. Damit die Bedienungsperson nichts umzurechnen braucht, kann die Skalierung direkt die Raddurchmesser anzeigen. Die Skalierung ist positionsmäßig so angeordnet, dass die Tragarme das aufsitzende Rad auch dann noch zuverlässig halten, wenn der Luftdruck aus dem Reifen entweicht.This results in the advantage that the support arms can be adjusted exactly and quickly to the appropriate wheel diameter. The operator only needs to read the tire size and can then adjust one or both support arms with the help of the scale directly to the desired position. So that the operator does not need to convert anything, the scaling can directly indicate the wheel diameter. The scaling is positionally arranged so that the support arms still hold the seated wheel reliably, even when the air pressure escapes from the tire.

Grundsätzlich ist es möglich, nur einen Tragarm verstellbar zu lagern und demgemäß nur mit einer Skalierung zu arbeiten. Zweckmäßiger ist es aber, wenn beide Tragarme verstellbar sind, weil dann nur ein geringer oder gar kein Horizontalversatz der Radachse gegenüber der Hubvorrichtung auftritt. Demgemäß sind dann zwei entgegengesetzt laufende Markierungen im Bereich der Tragarm-Lagerung angeordnet und jeder Tragarm weist eine damit korrespondierende Markierung auf. Diese Markierung kann nach Art einer Pfeilspitze ausgebildet sein oder als ein vor der Skalierung laufendes Fenster.Basically, it is possible to store only one support arm adjustable and thus to work only with a scale. It is more useful if both support arms are adjustable, because then only a slight or no horizontal offset of the wheel axle relative to the lifting device occurs. Accordingly, then two oppositely running markers are arranged in the region of the support arm bearing and each support arm has a marking corresponding thereto. This marking can be designed in the manner of an arrowhead or as a window running in front of the scaling.

Ein anderer Aspekt der Erfindung, für den selbstständiger Schutz geltend gemacht wird, besteht darin, dass der verstellbare Tragarm - gegebenenfalls beide Tragarme - eine in Verstellrichtung laufende Lochleiste aufweist und das diese Lochleiste mit einem Blockierelement zusammenwirkt, das an der Tragarm-Lagerung angeordnet ist. Dadurch wird ein formschlüssiger Eingriff der Tragarme, wenn sie ihre Sollposition erreicht haben, ermöglicht, in dem das Blockierelement in das zugeordnete Loch der Lochleiste eingesteckt wird. Diese Arretierung ist wesentlich zuverlässiger als beim Stand der Technik, wo lediglich mit nach oben frei aushebbaren Zahnleisten gearbeitet wird.Another aspect of the invention, for which independent protection is claimed, is that the adjustable support arm - optionally both support arms - has a running in the adjustment direction perforated strip and this hole bar cooperates with a blocking element which is arranged on the support arm storage. As a result, a positive engagement of the Support arms, when they have reached their desired position allows, in which the blocking element is inserted into the associated hole of the perforated strip. This lock is much more reliable than in the prior art, where it is only worked with upwardly liftable rack teeth.

Grundsätzlich gibt es für die konstruktive Ausbildung des Blockierelementes verschiedene Möglichkeiten. Am Einfachsten ist es, wenn dieses Blockierelement als Haltebolzen ausgebildet ist, der senkrecht zur Verstellrichtung, insbesondere von oben, in die Lochleiste(n) einsteckbar ist. Zusätzlich kann das Blockierelement in seiner eingesteckten Blockierstellung noch durch ein Sicherungselement gegen axiales Herausziehen arretiert werden.Basically, there are various possibilities for the structural design of the blocking element. It is easiest if this blocking element is designed as a retaining bolt, which is perpendicular to the adjustment, in particular from above, in the perforated strip (s) can be inserted. In addition, the blocking element can still be locked in its inserted blocking position by a securing element against axial withdrawal.

Wenn beide Tragarme der Hubvorrichtung verstellbar sind, empfiehlt es sich, dass sie aufeinander zulaufende, jedoch in Querrichtung zueinander versetzte Lochleisten aufweisen, die je nach Position der Tragarme mehr oder weniger überlappen und mit einem gemeinsamen Blockierelement zusammenwirken. Dadurch können beide Tragarme in einem Arbeitsgang und mit nur einem Blockierelement gleichzeitig festgehalten werden.If both arms of the lifting device are adjustable, it is recommended that they have converging, but transversely offset perforated strips that overlap more or less depending on the position of the support arms and interact with a common blocking element. As a result, both support arms can be held in one operation and with only one blocking element at the same time.

Selbstverständlich liegt dabei auch eine kinematische Umkehr im Rahmen der Erfindung, derart, dass die Lochleiste nicht an den Tragarmen angeordnet ist, sondern ortsfest und stattdessen jeder Tragarm ein Blockierelement aufweist, dass dann in die Lochleiste eingesteckt wird, wenn die Sollposition des Tragarmes erreicht ist.Of course, there is also a kinematic reversal within the scope of the invention, such that the perforated strip is not arranged on the support arms, but stationary and instead each support arm has a blocking element that is then inserted into the perforated strip when the desired position of the support arm is reached.

Schließlich besteht eine zweckmäßige Weiterbildung der Erfindung darin, dass die Tragarme nicht unabhängig voneinander verstellt werden können, sondern durch Verbindungsglieder miteinander synchronisiert sind, derart, dass die Verstellung des einen Tragarmes gleichzeitig eine gleichstarke Verstellung des anderen Tragarmes auslöst und die Mitte zwischen beiden Tragarmen ihre Position beibehält. Dadurch bleibt die Radachse immer im Zentrum und es wirken keine Querkräfte auf die Hubvorrichtung ein, so dass sie schlank gebaut werden kann, weil sie keine breite Abstützung benötigt. Die Synchronisierung der beiden Tragarme kann entweder durch zwei flexible Zugmittel erfolgen, die jeweils über eine Umlenkrolle mit dem anderen Tragarm verbunden sind oder über Zahnleisten, die mit gegenüberliegenden Seiten eines Zahnrades kämmen.Finally, there is an expedient development of the invention is that the support arms can not be adjusted independently, but are synchronized with each other by connecting elements, such that the adjustment of a support arm simultaneously causes a uniform adjustment of the other support arm and the middle between two support arms their position maintains. As a result, the wheel axle always remains in the center and there are no lateral forces on the lifting device, so that they can be built slim, because they do not require wide support. The synchronization of the two support arms can be done either by two flexible traction means, which are each connected via a pulley with the other arm or via racks, which mesh with opposite sides of a gear.

Um die Verstellung der Tragarme noch weiter zu erleichtern, liegt es auch im Rahmen der Erfindung, die Verstellung motorisch vorzunehmen, insbesondere hydraulisch oder elektrisch. Die Bedienungsperson braucht dann lediglich am Bedienpult, wo die Hub- und Senkbewegungen eingegeben werden, den Reifendurchmesser eintippen, worauf automatisch die Tragarme in die gewünschte Position verstellt werden, bevor sie unter das Fahrzeug fahren. Bei dieser motorischen Verstellung der Tragarme liegt es im Rahmen der Erfindung, auf die eingangs beschriebene Skalierung zu verzichten. Auch kann ein separates Blockierelement entfallen, wenn die motorische Verstellung der Tragarme durch selbsthemmende Elemente, insbesondere eine selbsthemmende Spindel erfolgt.In order to facilitate the adjustment of the support arms even further, it is also within the scope of the invention to make the adjustment by motor, in particular hydraulically or electrically. The operator then needs only on the control panel, where the lifting and lowering movements are entered, type in the tire diameter, whereupon automatically the support arms are adjusted to the desired position before they drive under the vehicle. In this motorized adjustment of the support arms, it is within the scope of the invention to dispense with the scaling described above. Also, a separate blocking element can be omitted if the motorized adjustment of the support arms by self-locking elements, in particular a self-locking spindle.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispieles und aus der Zeichnung; dabei zeigt:

Figur 1:
ein Schrägbild auf die Hubvorrichtung von der Fahrzeugseite aus gesehen;
Figur 2:
eine entsprechende Schrägansicht aus der entgegengesetzten Richtung;
Figur 3:
eine vergrößerte Ansicht auf den Hubschlitten gemäß Figur 1 und
Figur 4:
eine Ausschnittvergrößerung der Blockiervorrichtung.
Further features and advantages of the invention will become apparent from the following description of an embodiment and from the drawing; showing:
FIG. 1:
an oblique view of the lifting device seen from the vehicle side;
FIG. 2:
a corresponding oblique view from the opposite direction;
FIG. 3:
an enlarged view of the lifting according to FIG. 1 and
FIG. 4:
a detail enlargement of the blocking device.

In Figur 1 erkennt man, dass die Hubvorrichtung aus einer Säule 1 besteht, an welcher ein Hubschlitten 2 höhenverstellbar geführt ist. Die Höhenverstellung des Hubschlittens 2 kann elektrisch oder hydraulisch erfolgen und ist grundsätzlich bekannt.In FIG. 1 it can be seen that the lifting device consists of a column 1, on which a lifting 2 is guided adjustable in height. The height adjustment of the lifting carriage 2 can be done electrically or hydraulically and is basically known.

An seiner der Säule 1 abgewandten Seite trägt der Hubschlitten 2 zwei Tragarme 3 und 4, die sich etwa horizontal vom Hubschlitten weg erstrecken und dazu dienen, ein Rad des anzuhebenden Fahrzeuges am äußeren Umfang zu untergreifen.On its side facing away from the column 1, the lifting carriage 2 carries two support arms 3 and 4, which extend approximately horizontally away from the lifting carriage and serve to engage under a wheel of the vehicle to be lifted on the outer circumference.

Damit die Tragarme auf unterschiedliche Raddurchmesser angepasst werden können, sind sie horizontal verschiebbar am Hubschlitten 2 gelagert. Man erkennt diese Lagerung in Figur 2: Die Tragarme sind am Ende ihres nach oben ragenden Schenkels 3a beziehungsweise 4a hakenförmig ausgebildet, so dass sie von oben auf eine entsprechende Führungsschiene des Hubschlittens 2 aufgesteckt werden können und durch ihr Eigengewicht stabil am Hubschlitten gelagert sind bei gleichzeitiger horizontaler Verschiebbarkeit.So that the support arms can be adapted to different wheel diameters, they are mounted horizontally displaceable on the lifting carriage 2. One recognizes this storage in FIG. 2 The support arms are hook-shaped at the end of their upwardly projecting legs 3a and 4a, respectively, so that they can be plugged from above onto a corresponding guide rail of the lifting carriage 2 and are stably supported by their own weight on the lifting carriage with simultaneous horizontal displaceability.

Wesentlich ist nun, dass am Hubschlitten 2 eine horizontal verlaufende Skalenleiste 5 angeordnet ist mit einer linken und einer rechten Skala jeweils im Bereich des Tragarmes 3 beziehungsweise 4 und dass die beiden Tragarme entsprechende Sichtfenster 3b beziehungsweise 4b aufweisen, in denen man den eingestellten Skalenwert ablesen kann.It is essential that on the lifting carriage 2 a horizontally extending scale bar 5 is arranged with a left and a right scale respectively in the region of the support arm 3 and 4 and that the two support arms have respective viewing windows 3b and 4b, in which one can read the set scale value ,

Im Ausführungsbeispiel sind beide Tragarme auf den Skalenwert 8 eingestellt, das heißt, auf einen Felgendurchmesser von 2x 8 Zoll = 16 Zoll. Bei ungeraden Felgengrößen, also beispielsweise 15 Zoll, wird einer der beiden Tragarme auf den Skalenwert 7 verschoben. Es ergibt sich dann lediglich ein Versatz der Radachse von etwa 1,3 Zentimeter, was vernachlässigbar ist.In the embodiment, both support arms are set to the scale value 8, that is, to a rim diameter of 2x 8 inches = 16 inches. For odd rim sizes, such as 15 inches, one of the two support arms is moved to the scale value 7. It then only results in an offset of the wheel axle of about 1.3 centimeters, which is negligible.

Wesentlich ist zum anderen die Blockiervorrichtung, mittels der die beiden Tragarme 3 und 4 in ihrer jeweiligen Position fixiert werden können. Diese Blockiervorrichtung besteht aus jeweils einer mit dem zugehörigen Tragarm verbundenen Lochleiste 3c beziehungsweise 4c, wobei beide Lochleisten in Verstellrichtung aufeinander zu laufen und sich an ihren endständigen Bereichen überlappen. In diesem Überlappungsbereich befindet sich die Blockiervorrichtung bestehend aus einem Haltebolzen 6, der durch ortsfeste Bohrungen am Hubschlitten und gleichzeitig durch damit fluchtende Bohrungen in den beiden Lochleisten hindurchsteckbar ist und die Lochleisten somit formschlüssig in der gewünschten Stellung arretiert. Die Bohrungen am Hubschlitten sind in 2 Platten 2a und 2b angebracht, die oberhalb und unterhalb der Lochleisten positioniert sind. Der Haltebolzen kann also von oben eingesteckt werden und wird durch sein Eigengewicht gehalten, sobald sein vorstehender Kopf an der oberen Platte 2a anliegt.It is essential, on the other hand, the blocking device by means of which the two support arms 3 and 4 can be fixed in their respective position. This blocking device consists of a respective associated with the associated support arm perforated strip 3c and 4c, both perforated strips in the adjustment direction to run towards each other and overlap at their terminal areas. In this overlap region, the blocking device is composed of a retaining bolt 6, which is hindurchsteckbar by stationary holes on the lifting carriage and at the same time by aligned holes in the two perforated strips and thus locks the perforated strips in a form-fitting manner in the desired position. The holes on the lifting carriage are in 2 plates 2a and 2b attached, which are positioned above and below the perforated strips. The retaining bolt can therefore be inserted from above and is held by its own weight as soon as its projecting head rests against the upper plate 2a.

Wesentlich ist schließlich noch, dass die Lochleisten 3c und 4c etwa in Höhe der Tragarme 3und 4 verlaufen, so dass sie die vom Reifen ausgeübten Spreizkräfte optimal aufnehmen können. Somit wird ein Spreizen der Tragarme vermieden, obwohl die Tragarme an ihrem oberen Ende horizontal beweglich am Hubschlitten gelagert sind.Finally, it is essential that the perforated strips 3c and 4c run approximately at the level of the support arms 3 and 4, so that they can optimally absorb the spreading forces exerted by the tire. Thus, a spreading of the support arms is avoided, although the support arms are mounted at its upper end horizontally movable on the lifting.

Bei Bedarf kann der Haltebolzen 6 in seiner eingesteckten Stellung noch durch ein am überstehenden unteren Ende eingeschobenen Sicherungselement, insbesondere einer Klappfeder 7 gegen Herausziehen gesichert werden. Ein Herausspringen der Blockiervorrichtung wie bei den bisher üblichen Zahnleisten ist ausgeschlossen.If necessary, the retaining bolt 6 can be secured in its inserted position still by a pushed-in protruding lower end securing element, in particular a flap spring 7 against pulling out. Jumping out of the blocking device as in the usual rack racks is excluded.

Die Bohrungen am Hubschlitten wie auch die Bohrungen in den Lochleisten sind so positioniert, dass sie nur dann fluchten, wenn die beiden Tragarme in einer skalierten Position stehen, also nicht zwischen zwei Zoll-Werten.The bores on the lift carriage as well as the holes in the perforated rails are positioned so that they are aligned only when the two support arms are in a scaled position, ie not between two inch values.

Schließlich erkennt man in Figur 2 noch, dass die Säule 1 an ihrem unteren Ende Laufrollen 8 aufweist. Dadurch kann sie bequem an das zu hebende Fahrzeug herangefahren werden.Finally, you recognize in FIG. 2 nor that the column 1 has rollers 8 at its lower end. As a result, it can be easily moved up to the vehicle to be lifted.

Claims (12)

Hubvorrichtung für Kraftfahrzeuge mit heb- und senkbaren Hubschlitten (2), die jeweils zwei etwa horizontal und parallel verlaufende Tragarme (3, 4) zur Bildung einer gabelartigen Aufnahme aufweisen, die den äußeren Umfang der Fahrzeugräder untergreift, wobei die Tragarme (3, 4) verstellbar an ihrem Hubschlitten (2) gelagert sind, um ihren Abstand an den Raddurchmesser anzupassen,
dadurch gekennzeichnet,
dass an der Lagerung der Tragarme (3, 4) eine Skalierung (5) angebracht ist und zumindest einer der beiden Tragarme eine Markierung (3b, 4b) aufweist, die bei Verstellung des Tragarmes an der Skalierung (5) entlang läuft.Lifting device for motor vehicles with lifting and lowering lifting carriage (2), each having two approximately horizontally and parallelly extending support arms (3, 4) for forming a fork-like receptacle which engages under the outer circumference of the vehicle wheels, wherein the support arms (3, 4) are adjustably mounted on their lifting carriage (2) to adjust their distance to the wheel diameter,
characterized,
that on the bearing of the supporting arms (3, 4) has a scale (5) is mounted and at least one of the two supporting arms, a mark (3b, 4b), which runs up to the scaling during adjustment of the support arm (5) along. Hubvorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass zwei entgegengesetzt laufende Skalierungen (5) an der Tragarm-Lagerung angeordnet sind und jeder Tragarm (3, 4) eine damit korrespondierende Markierung (3b, 4b) aufweist.Lifting device according to claim 1,
characterized,
in that two oppositely running scalings (5) are arranged on the support arm mounting and each support arm (3, 4) has a marking (3b, 4b) corresponding thereto. Hubvorrichtung, insbesondere nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass zumindest ein Tragarm (3, 4) eine in Richtung der Tragarm-Verstellung laufende Lochleiste (3c, 4c) aufweist und dass diese Lochleiste mit einem Blockierelement (6) zusammenwirkt, das an der Tragarm-Lagerung, insbesondere dem Hubschlitten (2) verstellbar angeordnet ist.Lifting device, in particular according to claim 1 or 2,
characterized,
in that at least one support arm (3, 4) has a perforated strip (3c, 4c) running in the direction of the support arm adjustment, and that this perforated strip cooperates with a blocking element (6) which bears against the support arm support, in particular the lifting carriage (2) is adjustably arranged. Hubvorrichtung nach Anspruch 3,
dadurch gekennzeichnet,
dass das Blockierelement (6) einen senkrecht zur Verstellrichtung, insbesondere von oben, in die Lochleiste (3c, 4c) einsteckbaren Haltebolzen aufweist.Lifting device according to claim 3,
characterized,
that the blocking element (6) has a vertically insertable to the adjustment direction, in particular from above, in the perforated strip (3c, 4c) retaining bolt. Hubvorrichtung nach Anspruch 3,
dadurch gekennzeichnet,
dass das Blockierelement (6) in seiner eingesteckten Blockierstellung durch ein Sicherungselement (7) arretierbar ist.Lifting device according to claim 3,
characterized,
that the blocking element (6) in its inserted blocking position by a securing element (7) can be locked. Hubvorrichtung nach Anspruch 3,
dadurch gekennzeichnet,
dass beide Tragarme aufeinander zu laufende, in Querrichtung jedoch zueinander versetzte Lochleisten (3c, 4c) aufweisen, die mit einem gemeinsamen Blockierelement (6) zusammenwirken.Lifting device according to claim 3,
characterized,
in that both support arms have mutually continuous perforated strips (3c, 4c) running transversely to one another, which cooperate with a common blocking element (6). Hubvorrichtung nach Anspruch 3,
dadurch gekennzeichnet,
dass die Lochleisten annähernd in Höhe der Tragarme (3, 4) positioniert sind.Lifting device according to claim 3,
characterized,
that the perforated strips is approximately equal to the supporting arms (3, 4) are positioned. Hubvorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Tragarme (3, 4) von oben in ihren Hubschlitten (2) einhängbar sind.Lifting device according to one of the preceding claims,
characterized,
that the support arms (3, 4) from above in their lifting carriage (2) can be suspended. Hubvorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Tragarme (3, 4) durch Verbindungsglieder, insbesondere Zugelemente, Zahnleisten oder dergleichen miteinander synchronisiert sind.Lifting device according to one of the preceding claims,
characterized,
in that the support arms (3, 4) are synchronized with one another by connecting members, in particular tension members, toothed racks or the like. Hubvorrichtung, insbesondere nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Verstellung der Tragarme (3, 4) motorisch erfolgt.Lifting device, in particular according to one of the preceding claims,
characterized,
that the adjustment of the support arms (3, 4) is motorized. Hubvorrichtung nach Anspruch 10,
dadurch gekennzeichnet,
dass die Verstellung über eine Gewindespindel mit Selbsthemmung erfolgt.Lifting device according to claim 10,
characterized,
that the adjustment via a threaded spindle with self-locking takes place. Hubvorrichtung nach Anspruch 10,
dadurch gekennzeichnet,
dass zumindest die Hubvorrichtungen einer Achse des anzuhebenden Kraftfahrzeuges an ein gemeinsames Bedienpult angeschlossen sind und dass dieses Bedienpult auch die Eingabe des Raddurchmessers gestattet.Lifting device according to claim 10,
characterized,
that at least the lifting devices of an axle of the motor vehicle to be lifted are connected to a common control panel and that this control panel also allows the input of the wheel diameter.
EP08013207A 2007-07-24 2008-07-22 Lifting device for vehicles Not-in-force EP2022746B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720010387 DE202007010387U1 (en) 2007-07-24 2007-07-24 Lifting device for vehicles

Publications (3)

Publication Number Publication Date
EP2022746A2 true EP2022746A2 (en) 2009-02-11
EP2022746A3 EP2022746A3 (en) 2011-09-28
EP2022746B1 EP2022746B1 (en) 2013-03-27

Family

ID=38580522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08013207A Not-in-force EP2022746B1 (en) 2007-07-24 2008-07-22 Lifting device for vehicles

Country Status (2)

Country Link
EP (1) EP2022746B1 (en)
DE (1) DE202007010387U1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2010365C2 (en) * 2013-02-26 2014-08-27 Stertil Bv Lifting column, lifting system and method for lifting a vehicle such as a rail-car.
IT202100001373A1 (en) * 2021-01-26 2021-04-26 Marco Michelini VERTICAL LIFTING DEVICE OF THE TYPE WITH MOVING COLUMNS AND ASSOCIATED MOVING COLUMNS

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000915A1 (en) * 1989-09-06 1991-03-07 Bernd Hofmann Wheel attachment for lifting motor vehicle - has inverted Y=shaped element which fits under wheel
WO1998030488A1 (en) * 1997-01-08 1998-07-16 Stertil B.V. Lifting device with movable lifting columns
US5954160A (en) * 1996-11-27 1999-09-21 Mohawk Resources Ltd. Wheel engaging vehicle lift
EP1602618A1 (en) * 2004-06-04 2005-12-07 Ikotec Morrison S.L. Vehicle lifting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000915A1 (en) * 1989-09-06 1991-03-07 Bernd Hofmann Wheel attachment for lifting motor vehicle - has inverted Y=shaped element which fits under wheel
US5954160A (en) * 1996-11-27 1999-09-21 Mohawk Resources Ltd. Wheel engaging vehicle lift
WO1998030488A1 (en) * 1997-01-08 1998-07-16 Stertil B.V. Lifting device with movable lifting columns
EP1602618A1 (en) * 2004-06-04 2005-12-07 Ikotec Morrison S.L. Vehicle lifting device

Also Published As

Publication number Publication date
EP2022746A3 (en) 2011-09-28
EP2022746B1 (en) 2013-03-27
DE202007010387U1 (en) 2007-10-11

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