EP0816281B1 - Lifting platform for vehicles - Google Patents
Lifting platform for vehicles Download PDFInfo
- Publication number
- EP0816281B1 EP0816281B1 EP97103203A EP97103203A EP0816281B1 EP 0816281 B1 EP0816281 B1 EP 0816281B1 EP 97103203 A EP97103203 A EP 97103203A EP 97103203 A EP97103203 A EP 97103203A EP 0816281 B1 EP0816281 B1 EP 0816281B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive motor
- lifting
- lifting column
- hoist according
- column
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
- B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated
Definitions
- the invention relates to a lifting platform for motor vehicles, consisting of at least one lifting column, which is a lifting element under the vehicle carries, which is vertically movable in the lifting column and its Lift movement is generated by an electric drive motor, in particular by means of a vertical spindle rotatably mounted in the lifting column, which is set in rotation by the drive motor and via a Mother with the vertically movable lifting element is engaged, the Drive motor is arranged entirely within the lifting column.
- Such lifts are in FR-A 1 373 217 and in DE-A 2 311 845 described. They consist of two opposite columns, each one Column as a lifting element has two support arms, which can be telescopic and which are relocated under the vehicle standing between the pillars to position them under the intended jacking points of the vehicle.
- the invention also relates to such lifts in which the Lifting elements designed as ramps or as a continuous platform are.
- the drive is not hydraulic, but through an electric motor, this drive motor is on the side of the lifting columns flanged and stands on an intermediate gear with the above Spindle or other lifting device to generate the desired Lifting movement in connection.
- the drive motor is stationary at the lower end of the Lifting column mounted, whereas it can be moved vertically in DE-A 2 311 845 is mounted on a threaded spindle and even the lifting movement performs together with the lifting element.
- the present invention has for its object the known Lifts of the type described above to further improve, in particular to make the structure cheaper, but also more compact.
- the drive motor has a vertical shaft axis is built into the lifting column and only without an intermediate gear by a drive belt with the spindle or an equivalent Drive element is connected. This gives a very compact Arrangement so that the motor fits into the usual lifting columns, without increasing their dimensions.
- the motor shaft not as usual with V-belt pulleys for the V-belt drive to be equipped, but a sleeve with an outer axial groove profile or with circumferential grooves to attach to the motor shaft and one as a drive belt serrated belt with matching the groove profile Tooth pitch to use.
- the groove profile is a further development of this idea not in the form of a separate sleeve, but through direct Material removal generated in the motor shaft itself. In these cases, it is particularly suitable as a drive belt a so-called poly-V belt.
- Another advantageous embodiment of the invention is that there is no conventional drive motor but a case-less open motor is used. This gives further advantages in terms of Cost and dimensions.
- the motor it is recommended himself, him flanged to the top cover of the column.
- the free end of the motor shaft after directed above so that the belt connection to the spindle or the corresponding drive element after acceptance of an upper housing cover immediately accessible becomes.
- FIG vertical lifting columns 1 and 2 With their base plate 1a and 2a are attached to the workshop floor.
- Each Lifting column carries two horizontally swiveling and telescopically extendable support arms 3 and 4, the under the prescribed support points of the vehicle can be.
- These arms are each guided vertically in its lifting column, in the embodiment by a lifting spindle 5, which is shown in FIG 2 and 3 is visible.
- This lifting spindle can be rotated in stored their pillar and stands with an invisible Mother engaged, which in turn with the support arms 3 or 4 is connected.
- the lift has the conventional structure. On the description the further details, especially the leadership the mother, not shown, and the whole Control is therefore dispensed with.
- Figures 1 and 3 also show a cable bridge 11, in the control lines for switching on and off as well as for the synchronism of the lift. They are with the usual electrical or electronic Connected components that are also within the columns are arranged.
Landscapes
- 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)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
Die Erfindung betrifft eine Hebebühne für Kraftfahrzeuge, bestehend aus zumindest einer Hubsäule, die ein das Fahrzeug unterfassendes Hubelement trägt, das vertikal verfahrbar in der Hubsäule gelagert ist und dessen Hubbewegung durch einen elektrischen Antriebsmotor erzeugt wird, insbesondere mittels einer vertikalen, in der Hubsäule drehbar gelagerten Spindel, die von dem Antriebsmotor in Drehung versetzt wird und über eine Mutter mit dem vertikal verfahrbaren Hubelement in Eingriff steht, wobei der Antriebsmotor vollständig innerhalb der Hubsäule angeordnet ist.The invention relates to a lifting platform for motor vehicles, consisting of at least one lifting column, which is a lifting element under the vehicle carries, which is vertically movable in the lifting column and its Lift movement is generated by an electric drive motor, in particular by means of a vertical spindle rotatably mounted in the lifting column, which is set in rotation by the drive motor and via a Mother with the vertically movable lifting element is engaged, the Drive motor is arranged entirely within the lifting column.
Derartige Hebebühnen sind in der FR-A 1 373 217 sowie in der DE-A 2 311 845 beschrieben. Sie bestehen aus zwei gegenüberstehenden Säulen, wobei jede Säule als Hubelement zwei Tragarme aufweist, die teleskopierbar sein können und die unter das zwischen den Säulen stehende Fahrzeug verlagert werden, um sie unter den vorgesehenen Aufbockpunkten des Fahrzeuges zu positionieren.Such lifts are in FR-A 1 373 217 and in DE-A 2 311 845 described. They consist of two opposite columns, each one Column as a lifting element has two support arms, which can be telescopic and which are relocated under the vehicle standing between the pillars to position them under the intended jacking points of the vehicle.
Die Erfindung bezieht sich aber auch auf solche Hebebühnen, bei denen die Hubelemente als Auffahrschienen oder als durchgehende Plattform ausgebildet sind.The invention also relates to such lifts in which the Lifting elements designed as ramps or as a continuous platform are.
Soweit bei diesen Bauformen der Antrieb nicht hydraulisch, sondern durch einen Elektromotor erfolgt, ist dieser Antriebsmotor seitlich an den Hubsäulen angeflanscht und steht über ein Zwischengetriebe mit der genannten Spindel oder einem anderen Huborgan zur Erzeugung der gewünschten Hubbewegung in Verbindung. So far with these designs, the drive is not hydraulic, but through an electric motor, this drive motor is on the side of the lifting columns flanged and stands on an intermediate gear with the above Spindle or other lifting device to generate the desired Lifting movement in connection.
In der FR-A 1 373 217 ist der Antriebsmotor ortsfest am unteren Ende der Hubsäule montiert, wogegen er bei der DE-A 2 311 845 vertikal verfahrbar an einer Gewindespindel gelagert ist und selbst die Hubbewegung zusammen mit dem Hubelement durchführt.In FR-A 1 373 217 the drive motor is stationary at the lower end of the Lifting column mounted, whereas it can be moved vertically in DE-A 2 311 845 is mounted on a threaded spindle and even the lifting movement performs together with the lifting element.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, die bekannten Hebebühnen der vorbeschriebenen Art weiter zu verbessern, insbesondere den Aufbau kostengünstiger, aber auch kompakter zu gestalten.The present invention has for its object the known Lifts of the type described above to further improve, in particular to make the structure cheaper, but also more compact.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Antriebsmotor am oberen Ende der Hubsäule eingebaut ist.This object is achieved in that the drive motor is installed at the upper end of the lifting column.
Zwar ist es durch die DE-A 2 403 633, die GB-A 1 084 127 und die US-B 5 248 022 bereits bekannt, den Antriebsmotor am oberen Ende einer Hubsäule anzuordnen. Dort ist der Antriebsmotor aber mit seinem eigenen Gehäuse auf das obere Ende der Hubsäule aufgesetzt, wogegen er in der vorliegenden Anmeldung nicht außerhalb der Hubsäule angeordnet, sondern innerhalb vollständig in dieser integriert ist. Man erhält dadurch einen glatten äußeren Verlauf der Hubsäulen ohne vorstehende Teile. Gleichzeitig erhält man beim Transport wie auch beim Betrieb einen hervorragenden Schutz des Motors gegenüber Beschädigungen.Although it is through DE-A 2 403 633, GB-A 1 084 127 and US-B 5 248 022 already known, the drive motor at the top of one To arrange the lifting column. The drive motor is there with its own Housing placed on the upper end of the lifting column, against which he not arranged outside the lifting column in the present application, but is fully integrated within it. You get through it a smooth outer course of the lifting columns without protruding parts. At the same time, you get excellent transport and operation Protection of the engine against damage.
Besonders günstig ist es, wenn der Antriebsmotor mit vertikaler Wellenachse in die Hubsäule eingebaut wird und ohne Zwischengetriebe nur durch einen Treibriemen mit der Spindel oder einem entsprechenden Antriebselement verbunden ist. Man erhält dadurch eine sehr kompakte Anordnung, so daß der Motor in die bisher üblichen Hubsäulen hineinpaßt, ohne deren Abmessungen zu vergrößern.It is particularly favorable if the drive motor has a vertical shaft axis is built into the lifting column and only without an intermediate gear by a drive belt with the spindle or an equivalent Drive element is connected. This gives a very compact Arrangement so that the motor fits into the usual lifting columns, without increasing their dimensions.
Aus den gleichen Gründen hat es sich als zweckmäßigerwiesen, die Motorwelle nicht wie sonst üblich mit Keilriemenscheiben für den Keilriemenantrieb zu bestücken, sondern eine Hülse mit einem äußeren Axialrillenprofil oder mit in Umfangsrichtung laufenden Rillen an der Motorwelle anzubringen und als Treibriemen einen gezahnten Riemen mit zu dem Rillenprofil passender Zahnteilung zu verwenden. In besonders zweckmäßiger Weiterbildung dieses Gedankens wird das Rillenprofil nicht in Form einer separaten Hülse, sondern durch direkten Materialabtrag in der Motorwelle selbst erzeugt. Als Treibriemen eignet sich in diesen Fällen vor allem ein sogenannter Poly-V-Riemen.For the same reasons, it has proven to be more convenient to use the motor shaft not as usual with V-belt pulleys for the V-belt drive to be equipped, but a sleeve with an outer axial groove profile or with circumferential grooves to attach to the motor shaft and one as a drive belt serrated belt with matching the groove profile Tooth pitch to use. In a particularly useful way The groove profile is a further development of this idea not in the form of a separate sleeve, but through direct Material removal generated in the motor shaft itself. In these cases, it is particularly suitable as a drive belt a so-called poly-V belt.
Eine weitere vorteilhafte Ausgestaltung der Erfindung besteht darin, daß kein herkömmlicher Antriebsmotor sondern ein gehäuseloser offener Motor verwendet wird. Dadurch ergeben sich weitere Vorteile hinsichtlich der Kosten und der Abmessungen.Another advantageous embodiment of the invention is that there is no conventional drive motor but a case-less open motor is used. This gives further advantages in terms of Cost and dimensions.
Hinsichtlich der Positionierung des Motors empfiehlt es sich, ihn am oberen Abschlußdeckel der Säule anzuflanschen. Vorzugsweise ist dabei das freie Ende der Motorwelle nach oben gerichtet, so daß die Riemenverbindung zur Spindel bzw. einem dem entsprechenden Antriebselement nach Abnahme eines oberen Gehäusedeckels sofort zugänglich wird.Regarding the positioning of the motor, it is recommended himself, him flanged to the top cover of the column. Preferably is the free end of the motor shaft after directed above so that the belt connection to the spindle or the corresponding drive element after acceptance of an upper housing cover immediately accessible becomes.
Schließlich empfiehlt es sich, auch die elektrische Steuerung der Hebebühne, alle Endschalter für die Begrenzung des Hubweges sowie die Relais und übrigen elektrischen Bauteile innerhalb der Hubsäule anzuordnen, so daß der bisher übliche äußere Schaltkasten sowie alle vorstehenden Abdeckungen und dergleichen entfallen. Diese Bauteile sind ebenso wie die Spindel durch ein leicht abnehmbares Abdeckblech, das seitlich an der Säule angeordnet ist, zugänglich. Finally, it is also recommended to use the electrical one Control of the lift, all limit switches for the Limitation of the stroke as well as the relays and others to arrange electrical components within the lifting column, so that the usual external control box as well as all of the above covers and the like omitted. These components are just like the spindle due to an easily removable cover plate, which is on the side is arranged on the column, accessible.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung; dabei zeigt
- Figur 1
- ein Schrägbild einer erfindungsgemäßen Hebebühne;
Figur 2- eine Hubsäule mit nach oben herausgezogenem Antriebsmotor und
- Figur 3
- eine vergrößerte Darstellung des Ausschnittes X
in
Figur 2
- Figure 1
- an oblique view of a lifting platform according to the invention;
- Figure 2
- a lifting column with the drive motor pulled upwards and
- Figure 3
- an enlarged view of the detail X in Figure 2
Man erkennt in Figur 1 zwei einander gegenüberstehende
vertikale Hubsäulen 1 und 2, die mit ihrer Grundplatte
1a bzw. 2a auf dem Werkstattboden befestigt sind. Jede
Hubsäule trägt zwei horizontal verschwenkbare und
teleskopartig ausfahrbare Tragarme 3 bzw. 4, die unter
den vorgeschriebenen Auflagerpunkten des Fahrzeuges positioniert
werden können. Diese Tragarme sind jeweils
vertikal verfahrbar in ihrer Hubsäule geführt, im Ausführungsbeispiel
durch eine Hubspindel 5, die in Figur
2 und 3 sichtbar ist. Diese Hubspindel ist drehbar in
ihrer Säule gelagert und steht mit einer nicht sichtbaren
Mutter in Eingriff, die ihrerseits mit den Tragarmen
3 bzw. 4 verbunden ist. Insoweit weist die Hebebühne
den herkömmlichen Aufbau auf. Auf die Beschreibung
der weiteren Einzelheiten, insbesondere die Führung
der nicht dargestellten Mutter und der gesamten
Steuerung wird daher verzichtet.One can see two opposite one another in FIG
Wesentlich ist, daß der Antriebsmotor 6 jeweils innerhalb
seiner Hubsäule mit vertikal verlaufender Wellenachse
positioniert ist, und zwar in Richtung zu einer
Säulenecke hin versetzt, so daß er neben der Hubspindel
5 noch Platz in der Hubsäule findet. Er ist an seinem
oberen Ende an einen Abschlußdeckel 7 angeflanscht, der
seinerseits das obere Ende verschließt. Seine Motorwelle
durchquert diesen Abschlußdeckel 7 und steht oberhalb
desselben mit seinem gezahnten Wellenende 6a über
einen Poly-V-Zahnriemen 8 mit einer Riemenscheibe 9 der
Hubspindel 5 in Verbindung. Die Hubspindel 5 ist an
ihrem oberen Ende ebenfalls in diesem Abschlußdeckel 7
und an ihrem unteren Ende am Säulenfuß gelagert.It is essential that the
Durch einen oberen Gehäusedeckel 10, der in Figur 3
sichtbar ist, wird der Riementrieb gegenüber der Umgebung
verschlossen.Through an
Schließlich zeigen die Figuren 1 und 3 noch eine Kabelbrücke
11, in der Steuerleitungen für das An- und Abschalten
sowie für den Gleichlauf der Hebebühne verlaufen.
Sie sind mit den üblichen elektrischen bzw. elektronischen
Bauteilen verbunden, die ebenfalls innerhalb
der Säulen angeordnet sind.Finally, Figures 1 and 3 also show a
Claims (9)
- Vehicle hoist, consisting of at least one lifting column (1, 2) bearing a lifting element (3, 4), which engages the vehicle from below, is mounted so as to be vertically displaceable in the lifting column (1, 2) and the lifting movement of which is produced by an electric drive motor (6), in particular by means of a vertical spindle (5), which is rotatably mounted in the lifting column (1, 2), rotated by the drive motor (6) and engaged via a nut with the vertically displaceable lifting element (3, 4), wherein the drive motor (6) is disposed completely inside the lifting column (1, 2),
characterised in that the drive motor (6) is fitted at the top end of the lifting column (1, 2). - Hoist according to Claim 1,
characterised in that the drive motor (6) is fitted in the lifting column (1, 2) with a vertical shaft axis. - Hoist according to Claim 1,
characterised in that the drive motor (6) is connected without an intermediate gear unit. to the spindle (5) or a corresponding drive element solely via a drive belt (8). - Hoist according to Claim 1,
characterised in that a groove profile is applied in the form of a sleeve or directly to the free end of the shaft of the drive motor, and that the torque is transmitted via a toothed belt (8) with a tooth pitch corresponding to the groove profile. - Hoist according to Claim 3,
characterised in that the drive belt (8) is a poly-v-belt. - Hoist according to Claim 1,
characterised in that the drive motor (6) is formed as an open motor without a casing. - Hoist according to Claim 1,
characterised in that the drive motor (6) is suspended from a top closing cover of the column such that the free end (6a) of its shaft is directed upwards. - Hoist according to Claim 1,
characterised in that the limit switches and the electrical control unit of the hoist are also accommodated inside the lifting column (1, 2). - Hoist according to Claim 1,
characterised in that the lifting columns (1, 2) comprise removable vertical cover plates (1b) at least on one side.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29611390U DE29611390U1 (en) | 1996-07-01 | 1996-07-01 | Lift for motor vehicles |
DE29611390U | 1996-07-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0816281A1 EP0816281A1 (en) | 1998-01-07 |
EP0816281B1 true EP0816281B1 (en) | 2001-09-05 |
Family
ID=8025858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97103203A Expired - Lifetime EP0816281B1 (en) | 1996-07-01 | 1997-02-27 | Lifting platform for vehicles |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0816281B1 (en) |
DE (2) | DE29611390U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3848323A1 (en) | 2020-01-10 | 2021-07-14 | MAHA Maschinenbau Haldenwang GmbH & Co. KG | Lifting platform for motor vehicles and guiding device for a connecting line of a lifting platform for motor vehicles |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112744738B (en) * | 2021-01-04 | 2022-07-29 | 东风汽车股份有限公司 | Two-column lifting machine capable of preventing falling |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1373217A (en) * | 1963-08-23 | 1964-09-25 | Transportable lifting device with jacks in garages, in particular for automobiles, electrically operated | |
GB1084127A (en) * | 1965-06-28 | 1967-09-20 | Laycock Eng Ltd | Improvements in load-lifting apparatus |
DE2311845C3 (en) * | 1973-03-09 | 1979-10-11 | Otto Nussbaum Kg Fertigungstechnik + Maschinenbau, 7641 Bodersweier | Lifting device |
DE2403633C3 (en) * | 1974-01-25 | 1979-06-07 | Otto Nussbaum Kg, Fertigungstechnik Und Maschinenbau, 7641 Bodersweier | Lift with a lifting spindle arranged in a lifting column |
GB1478512A (en) * | 1974-06-28 | 1977-07-06 | Gkn Transmissions Ltd | Lifting apparatus |
DE3008626A1 (en) * | 1979-03-06 | 1980-09-11 | Pedersen H E H | CAR LIFT |
US5248022A (en) * | 1990-11-28 | 1993-09-28 | Tokyo Electron Limited | Driving device having sealing mechanism |
NL9200688A (en) * | 1992-04-14 | 1993-11-01 | Stertil Bv | SAFETY ROD DEVICE. |
-
1996
- 1996-07-01 DE DE29611390U patent/DE29611390U1/en not_active Expired - Lifetime
-
1997
- 1997-02-27 DE DE59704512T patent/DE59704512D1/en not_active Expired - Lifetime
- 1997-02-27 EP EP97103203A patent/EP0816281B1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3848323A1 (en) | 2020-01-10 | 2021-07-14 | MAHA Maschinenbau Haldenwang GmbH & Co. KG | Lifting platform for motor vehicles and guiding device for a connecting line of a lifting platform for motor vehicles |
DE102020200268A1 (en) | 2020-01-10 | 2021-07-15 | Maha Maschinenbau Haldenwang Gmbh & Co. Kg | Guide device for a connecting line of a lifting platform for motor vehicles and lifting platform for motor vehicles |
Also Published As
Publication number | Publication date |
---|---|
DE29611390U1 (en) | 1996-08-14 |
EP0816281A1 (en) | 1998-01-07 |
DE59704512D1 (en) | 2001-10-11 |
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