EP2708489B1 - Elévateur de véhicule - Google Patents
Elévateur de véhicule Download PDFInfo
- Publication number
- EP2708489B1 EP2708489B1 EP13004370.6A EP13004370A EP2708489B1 EP 2708489 B1 EP2708489 B1 EP 2708489B1 EP 13004370 A EP13004370 A EP 13004370A EP 2708489 B1 EP2708489 B1 EP 2708489B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lifting platform
- actual
- lifting
- ordinates
- platform according
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 238000011161 development Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- 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
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
Definitions
- Lifting platforms of the type described above are known in numerous variants and have proven themselves in practice, because they are suitable by their variable support arms for small as well as large vehicles.
- the pivoting and the length adjustment of the support arms to position their carrier plates in the vehicle manufacturer prescribed support positions below the vehicle is carried out by the operator after the vehicle has been retracted into the lift.
- the WO 02/034665 discloses a lift according to the preamble of claim 1.
- the coordinates of the bearing positions prescribed by the manufacturer are stored as nominal positions in connection with the respectively associated vehicle type in a data memory of the lifting platform, that the coordinates of the actual positions of the carrier plates are determined by measurement and optionally calculation, that by means of a computer, a balance between the desired and actual coordinates and a lifting operation of the support arms is only released when the differences between the desired and actual coordinates are within a predetermined tolerance.
- the lift according to the invention is therefore characterized by a significantly increased reliability; It can no longer happen that the carrier plate dent in due to incorrect positioning of the vehicle underbody or the vehicle slipping due to too far outward seated carrier locally.
- the displacement of the displayed desired positions or the displayed actual positions on the display is only possible in the X direction and in the Y direction.
- the determination of the actual coordinates of the carrier plates is expediently carried out by measuring the swivel angle of the carrier arms and by measuring the Tragarmin. Corresponding angle and distance measuring sensors are known.
- a sensor is arranged on the support arm, which checks whether the usual locking lever is plugged in order to block an unwanted pivotal movement of the support arm and in the absence thereof prevents operation of the lift.
- a further improvement of the present invention is that the pivoting and / or length adjustment of the support arms is motorized and automatically by means of the computer performing the comparison between the desired and actual coordinates.
- the complete adjustment of the support arms can be automated both before the lifting process as well as after the lifting process.
- the first support arm is still to be brought by the operator in the desired position, so that the displayed target positions can be adapted to the vehicle position.
- the tracking of the desired positions to the vehicle position can also be automated and also the first support arm does not need be moved more by the operator in the desired position.
- the support position of the vehicle front and rear are not at an identical level.
- the target and actual coordinates can be detected not only in the X and Y directions, but also in the Z direction, so that the computer also performs compensation in the Z direction.
- the support arms each have a sensor for determining the force acting on the support arm weight of the vehicle.
- This sensor is preferably formed by strain gauges; However, other suitable sensors are also suitable for this purpose.
- each sensor It is essential that the determined weights of each sensor are fed to a computer for checking the total load and for checking the load distribution.
- each individual arm is checked for the allowable load, as well as the load distribution between the front and rear support arms to ensure the stability of the lifting columns. If the determined weight forces per support arm or altogether are too high or if the load distribution is too uneven, this computer can prevent a lifting process.
- the data storage and the computer are responsible not only for one, but for multiple lifts. This reduces the installation effort. In order to avoid the laying of long data lines, the transmission of the data to the central computer is possible wirelessly.
- FIG. 1 you can see two lifting columns 1 and 2, which are arranged on both sides of a vehicle located in the driveway 2. Both lifting columns are equipped with support arms 11 and 12 or 21 and 22. These support arms are mounted in a conventional manner horizontally pivotally mounted on their respective lifting column and also telescoping in the longitudinal direction, so that they can be pivoted from its outer rest position under the vehicle after the vehicle retracts before the lifting operation begins. At their free ends, the support arms each have a height-adjustable support plate 11 a, 12 a and 21 a and 22 a. These carrier plates must be positioned under certain vehicle support positions specified by the manufacturer so that they can take up vehicle weight during lifting without damaging the vehicle.
- both lifting columns 1 and 2 are interconnected by a bridge 4, which contains known control lines.
- FIG. 2 shows a section enlargement of the lifting column 1 seen from the outside. It can be seen that this lifting column is equipped with a display 6. This display shows the nominal and actual positions of the four carrier plates 11a, 12a, 21a, 22a and the loads received by the support arms.
- FIG. 3 shows the display in an enlarged view after the vehicle has been moved into the lift, but the support arms are still in their outer rest position. Consequently one recognizes in FIG. 3 in that both the front carrier plates 11a and 21a and the rear carrier plates 12a and 22a appear at the outermost edge of the display.
- the display already shows the from a data memory 16 (see FIG. FIG. 6 ) dubbed desired support positions, which are specified by the manufacturer. These desired positions are for ease of assignment with the same reference numeral, but additionally marked with ', ie 11a', 12a ', 21a' and 22a '.
- the display in FIG. 4 also shows if the brackets are locked with respect to their swivel range. This locking is done by a so-called support arm lock and is scanned by a corresponding sensor. If one of the support arms is not locked, this will be displayed and the lifting process blocked.
- FIG. 5 shows a section enlargement in the articulation of a support arm, in the embodiment of the support arm 11 on its column 1.
- the support arm 11 in a conventional manner via a pivot bearing 110 with vertical Rotary axis mounted on a lifting 1a of the lifting column 1.
- the lifting 1 a can be driven mechanically or hydraulically in a conventional manner.
- each support arm is equipped with a length measuring device connected to the computer 15. It is not shown in detail in the drawing, since many known systems are suitable.
- FIG. 5 shows FIG. 5 in that the support arm 11 is equipped with a sensor 12 for determining the weight force acting on the support arm.
- This sensor is designed as a strain transducer and also gives its signals to the aforementioned computer.
- FIG. 5 Usually, the support arm 11 after it has reached the desired pivot position, blocked by a toothed locking lever, which is not shown in detail in the drawing.
- the lifting 1 a is now equipped with a sensor 13 which responds to this locking lever.
- the sensor 13 is also connected to said computer 15, so that the computer then, if the locking lever has not been inserted in the blocking position, prevents the lifting operation of the lift.
- FIG. 6 shows a graphical representation of the data flow.
- the focus is a computer 15.
- This computer 15 also contains the data memory 16, wherein the manufacturer-specified desired positions for the carrier plates are stored in combination with the respectively associated vehicle type.
- the computer 15 receives signals from the strain transducers 12 of each support arm and determines therefrom the weight forces in the individual support arms, checks their permissibility and the weight distribution and their plausibility by comparison with the weight forces that occur in the lifting columns.
- the computer 15 receives data from the sensors 13, which check the Tragarmarretmaschine and finally data from the camera 5, which detects the vehicle position relative to the stage. With the latter data, practically follows the adjustment of the desired positions to the actual vehicle position.
- the present invention thus provides a significant safety gain, because incorrect operation of the lift are virtually eliminated.
- the operation of the lift is much more comfortable because the operator can monitor the setting of the support arms on the display and motor drive the pivot lever of the whole process is automated.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Control And Safety Of Cranes (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Claims (20)
- Pont élévateur pour véhicules, composé d'au moins deux colonnes de levage (1, 2) qui sont disposées de part et d'autre du véhicule (3) et présentent chacune deux bras porteurs (11, 12, 21, 22), ces bras porteurs étant montés pivotants horizontalement et réglables en longueur sur leur colonne de levage (1, 2) et présentant chacun à leur extrémité libre un plateau porteur (11a, 12a, 21a, 22a), ces plateaux porteurs étant destinés à être positionnés sous le véhicule (3) dans des positions d'appui (11a', 12a', 21a', 22a') prescrites par le constructeur automobile par déplacement correspondant de leur bras porteur,
caractérisé en ce
que les coordonnées des positions d'appui (11a', 12a', 21a', 22a') prescrites par le constructeur sont enregistrées en tant que positions nominales en relation avec le type de véhicule respectivement associé dans une mémoire de données (16) du pont élévateur,
que les coordonnées des positions réelles des plateaux porteurs (11a, 12a, 21a, 22a) sont déterminées par mesure et le cas échéant par calcul,
qu'une comparaison entre les coordonnées nominales et réelles est effectuée au moyen d'un ordinateur (15)
et qu'une opération de levage des bras porteurs (11, 12, 21, 22) n'est autorisée que si les différences entre les coordonnées nominales et réelles se situent dans les limites d'une tolérance prédéfinie. - Pont élévateur selon la revendication 1,
caractérisé en ce
que les positions nominales et réelles des plateaux porteurs (11a, 12a, 21a, 22a) sont affichées sur un écran (6). - Pont élévateur selon la revendication 2,
caractérisé en ce
que les positions nominales affichées dans leur ensemble ou les positions réelles affichées dans leur ensemble sont déplaçables sur l'écran (6). - Pont élévateur selon l'une des revendications précédentes,
caractérisé en ce
que la détermination des coordonnées réelles des plateaux porteurs (11a, 12a, 21a, 22a) est effectuée par mesure des angles de pivotement des bras porteurs (11, 12, 21, 22) et par mesure de la longueur des bras porteurs (11, 12, 21, 22). - Pont élévateur selon l'une des revendications 1 à 3,
caractérisé en ce
que la détermination des coordonnées réelles des plateaux porteurs (11a, 12a, 21a, 22a) est effectuée par mesure des angles de pivotement des bras porteurs (11, 12, 21, 22) et calcul de la longueur des bras porteurs. - Pont élévateur selon l'une des revendications 1 à 3,
caractérisé en ce
que la détermination des coordonnées réelles des plateaux porteurs (11a, 12a, 21a, 22) est effectuée par mesure de la longueur des bras porteurs (11, 12, 21, 22) et calcul des angles de pivotement des bras porteurs. - Pont élévateur selon l'une des revendications précédentes,
caractérisé en ce
qu'il présente des capteurs (1b) qui servent à surveiller des leviers de blocage associés à chaque bras porteur (11, 12, 21, 22) et bloquant leur pivotement. - Pont élévateur selon l'une des revendications précédentes,
caractérisé en ce
que le pivotement et le réglage en longueur des bras porteurs (11, 12, 21, 22) sont effectués de manière motorisée et automatique au moyen de l'ordinateur (15) effectuant la comparaison entre coordonnées nominales et réelles. - Pont élévateur selon l'une des revendications précédentes,
caractérisé en ce
que la position du véhicule (3) se trouvant dans le pont élévateur peut être détectée optiquement et cette position peut être fournie à l'ordinateur (15) effectuant la comparaison entre coordonnées nominales et réelles. - Pont élévateur selon l'une des revendications précédentes,
caractérisé en ce
que les coordonnées nominales et réelles des plateaux porteurs (11a, 12a, 21a, 22a) sont détectées non seulement dans les directions X et Y, mais aussi dans la direction Z. - Pont élévateur selon la revendication 10,
caractérisé en ce
que les plateaux porteurs (11a, 12a, 21a, 22a) sont combinés à un moteur de levage. - Pont élévateur, en particulier selon l'une des revendications précédentes, caractérisé en ce
que chaque bras porteur (11, 12, 21, 22) présente un capteur (12) pour déterminer la force due au poids qui agit sur lui. - Pont élévateur selon la revendication 12,
caractérisé en ce
que le capteur (12) est réalisé sous la forme d'un extensomètre. - Pont élévateur selon la revendication 12,
caractérisé en ce
que les forces dues au poids déterminées peuvent être fournies à un ordinateur (15) pour vérifier la charge totale et la répartition de la charge. - Pont élévateur selon la revendication 14,
caractérisé en ce
que l'ordinateur (15) compare les forces dues au poids déterminées sur les bras porteurs (11, 12, 21, 22) avec les forces dues au poids déterminées sur les colonnes de levage (1, 2) et signale un dépassement d'une tolérance prédéfinie. - Pont élévateur selon l'une des revendications précédentes,
caractérisé en ce
que chaque opération de levage peut être documentée en ce qui concerne les positions nominales et réelles des plateaux porteurs (11a, 12a, 21a, 22a), le cas échéant aussi en ce qui concerne les forces dues au poids et le cas échéant aussi en ce qui concerne un blocage de bras porteur. - Pont élévateur selon l'une des revendications précédentes,
caractérisé en ce
que la mémoire de données (16) et l'ordinateur (15) sont responsables de plusieurs ponts élévateurs. - Pont élévateur selon l'une des revendications précédentes,
caractérisé en ce
que les coordonnées réelles des plateaux porteurs (11a, 12a, 21a, 22a), le cas échéant les forces dues au poids déterminées et le cas échéant l'activation d'un blocage de bras porteur sont transmises sans fil à la mémoire de données (16). - Procédé de fonctionnement d'un pont élévateur pour véhicules, composé d'au moins deux colonnes de levage (1, 2) qui sont disposées de part et d'autre du véhicule (3) et présentent chacune deux bras porteurs (11, 12, 21, 22), ces bras porteurs étant montés pivotants horizontalement et réglables en longueur sur leur colonne de levage (1, 2) et présentant chacun à leur extrémité libre un plateau porteur (11a, 12a, 21a, 22a), ces plateaux porteurs étant destinés à être positionnés sous le véhicule (3) dans des positions d'appui (11a', 12a', 21a', 22a') prescrites par le constructeur automobile par déplacement correspondant de leur bras porteur,
caractérisé en ce
que les coordonnées des positions d'appui (11a', 12a', 21a', 22a') prescrites par le constructeur sont enregistrées en tant que positions nominales en relation avec le type de véhicule respectivement associé dans une mémoire de données (16) du pont élévateur,
que les coordonnées des positions réelles des plateaux porteurs (11a, 12a, 21a, 22a) sont déterminées par mesure et le cas échéant par calcul,
qu'une comparaison entre les coordonnées nominales et réelles est effectuée au moyen d'un ordinateur (15)
et qu'une opération de levage des bras porteurs (11, 12, 21, 22) n'est autorisée que si les différences entre les coordonnées nominales et réelles se situent dans les limites d'une tolérance prédéfinie. - Procédé de fonctionnement d'un pont élévateur selon l'une des revendications 2 à 17.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012017959.6A DE102012017959A1 (de) | 2012-09-12 | 2012-09-12 | Fahrzeug-Hebebühne |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2708489A1 EP2708489A1 (fr) | 2014-03-19 |
EP2708489B1 true EP2708489B1 (fr) | 2014-12-31 |
Family
ID=49223498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13004370.6A Active EP2708489B1 (fr) | 2012-09-12 | 2013-09-06 | Elévateur de véhicule |
Country Status (5)
Country | Link |
---|---|
US (1) | US9376296B2 (fr) |
EP (1) | EP2708489B1 (fr) |
JP (1) | JP6245636B2 (fr) |
CN (1) | CN103663254B (fr) |
DE (1) | DE102012017959A1 (fr) |
Cited By (1)
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US10807846B1 (en) | 2019-04-17 | 2020-10-20 | Richard Everett Vos, Jr. | Remotely adjustable automotive lift arm |
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DE102005000883B4 (de) * | 2005-01-07 | 2008-02-14 | Zippo Lifts Gmbh | Hebebühne |
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DE102008021149A1 (de) * | 2008-04-28 | 2009-10-29 | Maha Maschinenbau Haldenwang Gmbh & Co. Kg | Hebevorrichtung |
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US8256577B2 (en) * | 2008-10-31 | 2012-09-04 | Dannmar Worldwide, Inc. | Portable two post automobile lift |
CN201351098Y (zh) * | 2009-02-17 | 2009-11-25 | 中大工业集团公司 | 一种汽车举升机升降架 |
CN201351099Y (zh) * | 2009-02-17 | 2009-11-25 | 中大工业集团公司 | 油缸直顶龙门式汽车举升机 |
DE102009046329A1 (de) * | 2009-11-03 | 2011-05-05 | Maha Maschinenbau Haldenwang Gmbh & Co. Kg | Vorrichtung und Verfahren zum Einrichten einer Hubeinheit zum Heben von Fahrzeugen |
US9352944B2 (en) * | 2012-03-19 | 2016-05-31 | Gray Manufacturing Company, Inc. | Control and communication system for a wireless vehicle lift system |
DE102013100354B4 (de) * | 2013-01-14 | 2019-02-07 | Herrmann Ag | Hebebühne und Tragelement für Hebebühne mit Gewichtsmessung |
-
2012
- 2012-09-12 DE DE102012017959.6A patent/DE102012017959A1/de not_active Withdrawn
-
2013
- 2013-09-06 EP EP13004370.6A patent/EP2708489B1/fr active Active
- 2013-09-12 CN CN201310415037.6A patent/CN103663254B/zh active Active
- 2013-09-12 US US14/025,056 patent/US9376296B2/en active Active
- 2013-09-12 JP JP2013189227A patent/JP6245636B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10807846B1 (en) | 2019-04-17 | 2020-10-20 | Richard Everett Vos, Jr. | Remotely adjustable automotive lift arm |
Also Published As
Publication number | Publication date |
---|---|
CN103663254B (zh) | 2017-06-06 |
EP2708489A1 (fr) | 2014-03-19 |
US20140076665A1 (en) | 2014-03-20 |
DE102012017959A1 (de) | 2014-05-15 |
JP6245636B2 (ja) | 2017-12-13 |
JP2014054980A (ja) | 2014-03-27 |
CN103663254A (zh) | 2014-03-26 |
US9376296B2 (en) | 2016-06-28 |
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