EP2419362B1 - Pont élévateur pour soulever des charges, en particulier des véhicules - Google Patents

Pont élévateur pour soulever des charges, en particulier des véhicules Download PDF

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Publication number
EP2419362B1
EP2419362B1 EP10718470A EP10718470A EP2419362B1 EP 2419362 B1 EP2419362 B1 EP 2419362B1 EP 10718470 A EP10718470 A EP 10718470A EP 10718470 A EP10718470 A EP 10718470A EP 2419362 B1 EP2419362 B1 EP 2419362B1
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EP
European Patent Office
Prior art keywords
energy storage
storage device
lifting platform
drive control
platform according
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EP10718470A
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German (de)
English (en)
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EP2419362A1 (fr
Inventor
Gerhard Finkbeiner
Josef Femböck
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Individual
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Individual
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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
    • B66F7/04—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars hydraulically or pneumatically operated
    • 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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
    • 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 vehicle lift for lifting vehicles, in particular of motor vehicles or the like, which comprise a lifting column with a guided by the lifting column carrier, on which a load-receiving means is provided.
  • This vehicle lift comprises a lifting column with a guided by the lifting column carrier. On the support a load-receiving means is provided, for example, to engage under a wheel of a vehicle.
  • This vehicle lift comprises a drive control, which drives a drive device and moves the carrier up and down relative to the lifting column.
  • a battery is provided on a lifting column supporting the base frame.
  • lead-acid batteries which are also used in motor vehicles. Such batteries are provided firmly to the stage. An additional battery connected to the mains will charge the battery. During the period of charging the battery, a location-independent use of the vehicle lift is not given. If a charging process takes place during use, lying on the working floor cables that are connected to the battery hinder the rest of the workflow.
  • the invention is therefore an object of the invention to provide a stage which is location-independent in operation and allows a dige operational readiness, wherein the wireless arrangement of the vehicle lift is maintained to a power grid.
  • the inventive arrangement of a quick-change device for receiving and replacing the energy storage or allows a simple and quick replacement of the energy storage is possible after the decrease of the state of charge of the energy storage below a predetermined charge level and a fully charged energy storage for operating the vehicle lift is available.
  • this quick-change device for quick replacement of the energy storage is further made possible that a readiness to operate is also given when a power failure is given over a longer period of time or is provided only at certain operating times working power.
  • this arrangement allows an emergency lowering, even if no power supply is available via a power grid.
  • this arrangement has the advantage that the operation is independent of an existing supply network voltage.
  • a charging station can be adapted to the feed data of the local supply network in order to charge the energy store or stores, wherein the individual vehicle lifts and their drive controls can be configured uniformly.
  • the vehicle lift is designed as a so-called single-column lift, which has a lifting column and guided by the lifting column carrier, on which a load-receiving means is provided.
  • the carrier By the drive means, the carrier is provided movable up and down relative to the lifting column. It can be provided according to a first embodiment, that the carrier is guided within the lifting column. According to a further embodiment, the carrier may surround the lifting column. Both on the lifting column, on the carrier or the load receiving means, the quick-change device may be provided for receiving the energy storage or the. If this lifting column is mobile and includes a chassis or a mobile base frame, the quick-change device can also be provided on this base frame.
  • this single-column lift is designed instead of a carrier by means of a lifting carriage, which is moved up and down, for example, by a drive spindle
  • the quick-change device may alternatively be provided on this lifting carriage.
  • Another alternative embodiment of the vehicle lift is the use as an axle jack, which is movable within a rail lift or along a working pit.
  • axle jacks preferably have a movable carriage.
  • axle jack in the form of a Hubstempels, such as. Hydraulic cylinders or be provided in the form of other different vehicle lifts on the movable carriage.
  • the quick-change device for receiving the or the energy storage is arranged on the movable carriage or the base frame of the car.
  • a wireless drive control is provided for the vehicle lift.
  • each vehicle lift can be used anywhere.
  • a connection of a cable for drive control and / or power supply is not required.
  • a plurality of vehicle lifts may be provided separately from one another for example for a vehicle and at the same time allow the vehicle to be picked up.
  • a Bluetooth technology, GPS technology or other wireless technologies is used.
  • a preferred embodiment of the vehicle lift provides that the quick-change device has at least one receiving frame, in which the energy store or stores are at least partially form-fitting can be arranged. Through this mounting frame an exact positioning of the energy storage is made possible to the contact terminals, so that a secure contact is given.
  • the receiving frame of the quick-change device is designed as a plug-in base.
  • the receiving frame of the quick-change device is designed as a plug-in base.
  • the quick-change device has a locking element, by which the one or more energy storage are secured secured to the receiving frame.
  • a locking element is preferably designed such that it is automatically transferred after insertion of the energy storage in the receiving frame in a locking position.
  • electrical contacts in particular spring-loaded contact pins are provided as a connection in the receiving frame of the quick-change device.
  • This can be a safe Concerns the contact pins or contact elements of the energy storage to be provided on the contacts of the receiving frame.
  • contact pins are provided on the energy storage devices, which engage preferably spring-loaded contact elements of the quick-change device.
  • the quick-change device for receiving the energy storage or is preferably provided above a drive control of the vehicle lift, which in turn is located directly above an electric motor or directly to the electric motor of the drive device on the lifting column or the carrier of the vehicle lift.
  • a preferred embodiment of the vehicle lift provides that a superimposed arrangement of the individual components is provided for moving the carrier up and down to the lifting column.
  • an electric motor is provided above a drive device consisting of a hydraulic unit and an overlying hydraulic control. Above this, the electric drive control is arranged. Above the electric drive control, the quick-change device for receiving the energy storage or is arranged.
  • This structure and arrangement allows in particular a compact arrangement with short drive paths, so that, for example, high switching currents of the electric motor and the drive control can be kept very short.
  • a further preferred embodiment of the invention provides that high-performance accumulators, in particular lithium-ion batteries, are provided as energy stores. These can be designed as so-called removable storage batteries. Due to the simple and quick change possibility of such energy storage, an operating time of, for example, only 10 or 12 cycles can be sufficient, in comparison to lead accumulators according to the prior art, which usually allow about 20 cycles.
  • a further preferred embodiment of the vehicle lift provides that a plug connection for a charging or power supply cable is provided on the drive control and the drive control preferably comprises a charging circuit for monitoring the state of charge of the energy store. This allows, for example, the energy storage or exchange energy storage in a charging station and at the same time or the arranged in the lifting column energy storage can be loaded, especially if this vehicle lift is not in use.
  • the energy storage comprises an energy storage control, which is provided on or in a housing receiving the energy storage and detects the state of charge of the energy storage.
  • This controller preferably comprises a microcontroller which monitors the state of charge of the energy store.
  • the corresponding charge characteristic is stored in the microcontroller for the particular Akkumuletor used, so that allows for the charge and discharge of the respective accumulator improved utilization and can be controlled by this energy storage control.
  • the residual charge of the energy storage can be determined safely to prevent premature failure or shutdown of the vehicle lift and timely signal the replacement of the energy storage due to a fault or low residual charge.
  • an optical, acoustic or tactile display can preferably be provided, which at least signals that an exchange of the energy storage is required due to a low residual charge.
  • an energy storage control the current intensity and the duration of the current in the charging and discharging direction can be detected simultaneously during the activation of the vehicle lift. As a result, it is possible to deduce the state of charge of the energy store via the current capacity.
  • the energy store comprises a charging circuit, which is provided in a housing receiving the energy storage.
  • the energy storage can be loaded both on the lifting column as well as directly to a separate power supply connection point without an extra charging station is required.
  • the charging circuit can be designed for use for different supply voltages or frequencies of the supply networks and transform therefrom the DC power required for the drive control of the vehicle lift.
  • the energy store preferably has at least one data interface, in particular a wireless data interface, which communicates with the drive control.
  • a wireless data interface which communicates with the drive control.
  • an immediate transfer of data between the drive control and the microcontroller of the energy storage can take place.
  • a wired transmission of the data may be provided, wherein preferably in the energy storage housing receiving a plug contact is mounted, which engages a complementary plug contact of the quick-change device.
  • a further preferred embodiment of the invention provides that the quick-change device, in particular the receiving space of the quick-change device, is attached to a printed circuit board having printed conductors, which lead to the drive control and / or to the electric motor of the drive device or to the hydraulic control.
  • a printed circuit board having printed conductors, which lead to the drive control and / or to the electric motor of the drive device or to the hydraulic control.
  • Such printed circuit boards have the advantage that traditional wiring by means of individual cables can be dispensed with. Rather, a printed or etched board is provided, which comprises the corresponding conductor tracks to connect the individual components together. As a result, the assembly is considerably simplified.
  • a modular design can be considerably improved, since defined connection contacts or contact elements for the components to be connected are provided along the printed circuit board. The energy is then transmitted through this PCB instead of via connecting cable.
  • a modified embodiment of this circuit board can be provided so that when attaching the circuit board to the Lifting column, the lifting column itself is designed as a ladder, as is known for
  • a further preferred embodiment of the printed circuit board provides current sensors on this printed circuit board, by means of which the state of charge of the respective energy store can be detected.
  • the differential voltage between the input voltage of the conductor track on the energy store and the output voltage on the drive controller is preferably detected. Due to the known resistance over the thickness and length of the conductor, the current of the energy storage can be determined and thus the state of charge can be detected.
  • the printed circuit board may also preferably comprise a charging circuit, so that charging of the respective energy store via the charging circuit of the printed circuit board can be carried out via a connection contact on the printed circuit board.
  • a further preferred embodiment of the vehicle lift provides that the energy store has a quick-change device in the form of a connection plug which can be plugged together with a complementary plug of the drive control and / or the drive device.
  • This arrangement also allows a quick change takes place.
  • a vehicle lift can be completely equipped with the components and provided and only on site by the mating of the two connector elements of the quick-change device, the drive control and / or the drive means are powered by the battery voltage.
  • the attachable to the energy storage plug can have two terminal poles for plus and minus, which can be plugged or positioned at the poles of the energy storage in a simple manner.
  • FIG. 1 is a schematic side view of a vehicle lift 11 according to the invention shown, which is suitable for mobile use, for example.
  • vehicle lifts 11 are also referred to as single-column vehicle lifts.
  • the vehicle lift 11 has a base device 12, which according to the embodiment preferably comprises a chassis or steering gear.
  • the base means 12 may be formed as a support plate or mounting plate to which the vehicle lift 11 is attached to the floor of a workshop or a mobile or a stationary work space.
  • a lifting column 14 is provided.
  • a drive unit 15 is fixed, which moves a carrier 16 relative to the lifting column 14 and down.
  • a load-receiving means 17 is provided, which engages under a load to be lifted.
  • the load-receiving element 17 is designed as a wheel gripping element in a single column lift. Other applications are also possible.
  • the drive device 15 comprises a hydraulic unit 21, which drives a working cylinder, which is preferably arranged within the carrier 16.
  • the drive device 15 may also be designed as an electrical or mechanical control, so that, for example, a spindle drive or the like can be controlled.
  • a hydraulic control 23 is provided, which in turn is controlled by a drive control 25. This drive control 25 regulates the entire operation of the vehicle lift 11.
  • an electric motor 26 is provided, which in turn drives the hydraulic unit 21.
  • a quick change device 28 is provided, which receives one or more energy storage 29 replaceable for supplying power to the vehicle lift 11.
  • further sensors 30 are provided either for detecting an upper stroke end position and / or for unlocking a fall arrester.
  • the above-described arrangement and the structure of the superimposed components has the advantage that a compact arrangement and short connection cables are provided in order to control the individual components starting from the drive control 25. It is preferably provided that the individual connection cables are formed with plug-in connections, so that a simple modular design is given.
  • These vehicle lifts 11 are used for lifting motor vehicles, commercial vehicles, special vehicles, rail vehicles or the like.
  • FIG. 2 is an alternative embodiment of the vehicle lift 11 to FIG. 1 shown.
  • the quick-change device 28 for receiving the energy storage or the 29 is provided between the electric motor 26 and the drive controller 25.
  • the quick-change device 28 is attached to a circuit board 49, which in turn is mounted on the lifting column 14.
  • FIGS. 3a and 3b is a perspective front and rear view of the quick-change device 28 is shown with an energy storage device 29 to be attached thereto.
  • This quick-change device 28 comprises a receiving frame 33, which is designed according to the embodiment as a plug-in base.
  • a nose or projection 34 is provided, which corresponds to a complementary recess 35 on the energy storage 29. This ensures that the energy store 29 can be inserted into the receiving frame 33 only in a defined plug-in position and that an electrical contacting of the energy store 29 to the quick-change device 28 takes place.
  • Spring-mounted contact pins 38 are preferably arranged on the energy store 29 as electrical contacts which, in the locked state of the energy store 29, act on the contact elements 37 in the receiving frame 33 for the quick-change device 28.
  • the quick-change device 28 is connected via the contact elements 37 and by the example in FIG. 1 shown supply lines connected to the control electronics of the drive control 25.
  • a locking element 41 or a snap or latching hook is provided for easy changing of the energy storage 29.
  • plugging the energy storage device 29 on the quick-change device 28 is a contacting and preferably an independent locking of the locking element 41 to the energy storage 29.
  • By raising or pressing the locking element 41 unlocking and removal of the energy storage 29 is made possible so that this in one separate charging station can be recharged.
  • the charging station can receive one or more energy stores 29 and is provided separately from the vehicle lifts 11. This makes it possible that during operation of the vehicle lifts 11 separate from these charging the energy storage device 29 is possible.
  • the quick-change device 28 may also be provided for receiving a plurality of juxtaposed or stacked energy stores 29, wherein preferably for each energy storage 29, a separate locking is provided.
  • a locking frame may be provided, which fixes a plurality of energy storage 29 simultaneously to the receiving frame 33.
  • the energy store 29 is designed as a high-performance accumulator, in particular as a lithium-ion battery. Other high capacity accumulators may also be provided.
  • FIG. 4 perspective view of an alternative embodiment of a vehicle lift 11 is shown as a so-called pit lift.
  • pit lifts comprise a base frame 44 arranged on rollers 43 for forming a movable carriage 45. Via the rollers 43, the vehicle lifting platform 11 is movable along the pit, which extends between the right and left pair of rollers 43 in width.
  • lifting cylinder 47 are provided as axle jack or other lifting devices. For example, these lifting cylinders 47 are adjustable in width to the male load and along the base frame 44 according to the illustrated double arrow movable.
  • These lifting cylinders 47 are preferably designed as hydraulic cylinders and have load-receiving means 17 at the upper end.
  • the drive device 15 comprises a hydraulic unit 21 with a hydraulic control 22 and a drive control 25, which is connected directly to an electric motor 26.
  • the quick-change device 28 is preferably arranged on the base frame 44 and receives, for example, an energy store 29.
  • An analogous structure can be provided for the axle free lift, which can be moved within a travel lift. Otherwise, the alternative apply Embodiments and advantages of the aforementioned embodiments.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (15)

  1. Pont élévateur de véhicules destiné à soulever des véhicules, notamment des véhicules automobiles ou véhicules similaires, avec un dispositif porte-charge (17), avec un dispositif d'entraînement (15) qui peut être activé par une commande d'entraînement (25) et fait monter et descendre le dispositif porte-charge (17), et avec un accumulateur d'énergie (29) qui alimente en énergie la commande d'entraînement (25) et le dispositif d'entraînement (15), caractérisé en ce que sur le pont élévateur de véhicules (11) est prévu, en vue de réaliser une disposition permettant de changer l'accumulateur ou les accumulateurs d'énergie (29), un dispositif de changement rapide (28).
  2. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce que celui-ci présente une colonne de levage (14) et un élément porteur (16) ou glissoir de levage conduit à travers la colonne de levage (14) et sur lequel peut être disposé le porte-charge (17), le dispositif de changement rapide (28) pouvant être disposé sur la colonne de levage (14), l'élément porteur (16), le porte-charge (17) ou le glissoir de levage, ou en ce que celui-ci est réalisé en tant qu'élévateur d'essieu qui présente un socle (44) qui est prévu de préférence sur un chariot (45) déplaçable le long d'une fosse de travail ou à l'intérieur d'un pont élévateur à rails de roulement et qui présente des rouleaux (43) disposés de préférence sur ledit chariot, et en ce que sur le socle (44) est prévu le dispositif de changement rapide (28).
  3. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce qu'il est prévu une commande d'entraînement (25) sans fil.
  4. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce que le dispositif de changement rapide (28) présente au moins un cadre récepteur (33) dans lequel l'accumulateur d'énergie (29) peut être disposé au moins partiellement par conjugaison de forme.
  5. Pont élévateur de véhicules selon la revendication 4, caractérisé en ce que le cadre récepteur (33) du dispositif de changement rapide (28) est prévu en tant que socle de connexion femelle destiné à recevoir l'accumulateur ou les accumulateurs d'énergie (29).
  6. Pont élévateur de véhicules selon la revendication 4 ou 5, caractérisé en ce que le dispositif de changement rapide (28) présente un élément de verrouillage (41) grâce auquel l'accumulateur ou les accumulateurs d'énergie (29) est/sont fixé(s) de manière sûre par rapport au cadre récepteur (33).
  7. Pont élévateur de véhicules selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de changement rapide (28) ou l'accumulateur d'énergie (29) présente des contacts, notamment des fiches de contact (38) élastiques faisant ressort.
  8. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce que l'accumulateur ou les accumulateurs d'énergie (29) est/sont disposé(s) sur la colonne de levage (14) ou sur l'élément porteur (16), au-dessus d'une commande d'entraînement (25), et que directement au-dessous de la commande d'entraînement (25) est prévu un moteur électrique (26) du dispositif d'entraînement (15), ou en ce que la commande d'entraînement (25) est disposée au-dessus de l'accumulateur ou des accumulateurs d'énergie (29).
  9. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce qu'une disposition superposée des composants destinés à faire monter et descendre l'élément porteur (16) par rapport à la colonne de levage (14) est prévue sur la colonne de levage (14) ou sur l'élément porteur (16), le dispositif d'entraînement (15) qui se compose d'une unité hydraulique (21) et d'une commande hydraulique (23) disposée au-dessus de celle-ci étant prévu tout en bas, puis au-dessus de ladite commande étant disposé un moteur électrique (26) au-dessus duquel se trouve une commande d'entraînement (25), et au-dessus de la commande d'entraînement (25) étant prévu enfin un dispositif de changement rapide (28) destiné à recevoir l'accumulateur ou les accumulateurs d'énergie (29).
  10. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce que sur la commande d'entraînement (25) est prévu au moins un raccordement enfichable pour un câble de chargement ou d'alimentation en courant, et que la commande d'entraînement (25) comprend de préférence un circuit de charge destiné à surveiller l'état de charge de l'accumulateur ou des accumulateurs d'énergie (29).
  11. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce que l'accumulateur d'énergie (29) comprend une commande d'accumulateur d'énergie qui est prévue sur ou dans un boîtier logeant l'accumulateur d'énergie (29) et qui surveille de préférence l'état de charge de l'accumulateur d'énergie (29).
  12. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce que l'accumulateur d'énergie (29) comprend un circuit de charge qui est prévu sur ou dans un boîtier logeant l'accumulateur d'énergie (29).
  13. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce que l'accumulateur d'énergie (29) présente au moins une interface de données, notamment une interface de données sans fil, qui communique avec la commande d'entraînement (25).
  14. Pont élévateur de véhicules selon la revendication 1, caractérisé en ce que le dispositif de changement rapide (28), notamment le cadre récepteur (33) du dispositif de changement rapide (28), est fixé sur une carte imprimée (49) qui présente des pistes conductrices lesquelles conduisent dés éléments de contact (37) du dispositif de changement rapide (28) à la commande d'entraînement (25) et/ou au moteur électrique (26) du dispositif d'entraînement (15) et/ou à la commande hydraulique (23), et en ce que la carte imprimée (49) présente des capteurs de courant qui permettent de saisir de préférence l'état de charge de l'accumulateur d'énergie (29).
  15. Pont élévateur de véhiculés selon la revendication 1, caractérisé en ce que l'accumulateur d'énergie (29) comprend un dispositif de changement rapide (28) sous la forme d'une fiche de connexion qui peut être enfichée avec une fiche complémentaire de la commande d'entraînement (25) et/ou du dispositif d'entraînement (15).
EP10718470A 2009-04-17 2010-04-19 Pont élévateur pour soulever des charges, en particulier des véhicules Active EP2419362B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009005661U DE202009005661U1 (de) 2009-04-17 2009-04-17 Hebevorrichtung zum Anheben von Lasten, insbesondere Fahrzeugen
PCT/EP2010/002371 WO2010118893A1 (fr) 2009-04-17 2010-04-19 Pont élévateur pour soulever des charges, en particulier des véhicules

Publications (2)

Publication Number Publication Date
EP2419362A1 EP2419362A1 (fr) 2012-02-22
EP2419362B1 true EP2419362B1 (fr) 2013-03-06

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EP10718470A Active EP2419362B1 (fr) 2009-04-17 2010-04-19 Pont élévateur pour soulever des charges, en particulier des véhicules

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US (1) US9193572B2 (fr)
EP (1) EP2419362B1 (fr)
DE (1) DE202009005661U1 (fr)
WO (1) WO2010118893A1 (fr)

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US20120037864A1 (en) 2012-02-16
EP2419362A1 (fr) 2012-02-22
DE202009005661U1 (de) 2009-07-02
WO2010118893A1 (fr) 2010-10-21
US9193572B2 (en) 2015-11-24

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