EP1876136B1 - Supporting element - Google Patents
Supporting element Download PDFInfo
- Publication number
- EP1876136B1 EP1876136B1 EP06116565A EP06116565A EP1876136B1 EP 1876136 B1 EP1876136 B1 EP 1876136B1 EP 06116565 A EP06116565 A EP 06116565A EP 06116565 A EP06116565 A EP 06116565A EP 1876136 B1 EP1876136 B1 EP 1876136B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- support element
- vehicle
- rest
- sleeve body
- 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.)
- Not-in-force
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Classifications
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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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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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 present invention relates to a lift for motor vehicles. Such lifts are known from the prior art for a long time. The invention will be described with reference to a car lift and more particularly to a two-pillar lift, with a lifting device which can be raised and lowered in the vertical direction on each pillar. This lifting device has horizontally pivotable support arms for receiving the motor vehicles.
- a lift in particular a two-post lift for motor vehicles, known.
- This lift has on the support elements to force measuring devices whose output signals are forwarded to a downstream safety circuit. Through these output from the force measuring devices signals a possible imbalance of the vehicle can be detected.
- the force measuring device is firmly integrated into the system of the lift, or the support arms of the lift are already tuned to this force measuring devices. That from the DE 29 37 582 A1 known system is therefore not applicable to existing lifts or retrofitted. Also, in the case of the failure of individual force measuring devices, a replacement of the same is difficult, since they are firmly integrated into the lift system.
- a support element is a lift with a plurality of support arms designated at least one of these support arms, a sensor is arranged, which responds to acentralsbelastuna the support arm and this sensor is connected to a display, monitor or the like.
- the present invention is therefore based on the object to improve the safety of lifts and thereby equip existing or older models with such security systems can.
- Another object of the invention is to provide a lift that allows correction in case of imbalance occurring.
- the supporting element according to the invention for lifting platforms can be arranged between a carrying element of the lifting platform and a vehicle to be lifted and is removable from the carrying element according to the invention and has a sensor device for measuring a weight force acting between the vehicle and the carrying element or transmitted from the vehicle to the carrying element, wherein the sensor device outputs a signal that is characteristic of this weight.
- a transmitting device is provided which outputs the characteristic of this weight signal or a signal derived from this signal.
- the receiving element on a receiving plate (8) for receiving a portion of the vehicle and a sleeve body.
- a removable arrangement of the support element of the support member is understood to mean that this particular without material impairment of the support member or the support element can be removed from the support element, for example by peeling or unscrewing, in particular without the use of tools. It is also understood that the support element can be removed without high time or energy expense of the support member of the lift. In this way, a simple replacement or retrofitting older models is possible.
- the support element can be inserted into an area of the support element.
- a sensor device is understood to mean any sensor device which is suitable for measuring weight forces occurring between the vehicle and the carrying element of the lifting platform.
- the sensor device is a force measuring device.
- the sensor device is particularly advantageously a strain gauge which is arranged in a region of the support element.
- the support element is a body which is deposited on the support element and in another embodiment a support element which is screwed to a component of the support element.
- the carrying element is in particular a region of the support arm of the lifting platform or a segment of this carrying arm.
- the support element is particularly preferably arranged on the support region of the support element for the vehicle.
- the sensor device is influenced directly by the weight of the vehicle and is not possibly further transmitted via a plurality of further support arms.
- the support element has a transmitting device which outputs the characteristic signal output by the output device wirelessly to a receiving device.
- a transmitting device which outputs the characteristic signal output by the output device wirelessly to a receiving device.
- an output device such as a display.
- a wireless connection between the support elements and the receiving device is advantageous.
- the transmitting device also outputs, in addition to the output characteristic signal for the force, an identification signal which uniquely characterizes the supporting element. It is thus possible, for example, for a signal characteristic of the measured force as well as an identification code to be output as part of a binary code. In this way, for example, a central computer can determine from which support element the corresponding signal originates. Thus, for example, it can be avoided that a signal is detected which is from another support element and thus confusion can be avoided.
- the signal is transmitted via electromagnetic waves, wherein in particular radio, infrared light, ultraviolet light and the like come into consideration.
- the support element has a power storage device such as a battery.
- the support element can autonomously output all measured signals.
- the support element via other energy supply means such as induction loops and the like with the necessary energy. It would also be possible to connect the support element to an external power source.
- force measuring devices such as strain gauges are provided on the support arms of the lift. Force measuring devices, in particular with strain gauges, can also be arranged on the corresponding lifting columns.
- transponders or the like can be used to transmit the measured data, such as the weight forces.
- the sensor device is preferably provided in the sleeve body.
- the support element is formed in two parts and consists of the receiving plate and the sleeve body.
- the sleeve body particularly advantageously has a sleeve section which accommodates a region of the receiving plate and a peripheral collar which is supported against the carrying element of the lifting platform.
- the sensor device is arranged in this circumferential collar. The force acting by the motor vehicle weight is transmitted via the receiving plate on the sleeve portion and more precisely the peripheral collar. This can be measured by the arrangement of sensor devices in this circumferential collar directly the weight forces.
- the lower region of this circumferential collar is supported from the support element.
- the support element has a plurality of sensor devices which are distributed uniformly in the circumferential direction of the circumferential collar. In this way, the weight of the vehicle can be determined more accurately, for example, faulty sensor devices can be detected or the output values of the individual sensor device can be averaged.
- the individual sensor devices in each case transmit the values to the output device.
- the receiving plate is movable relative to the sleeve body in a longitudinal direction of the sleeve portion. In this way, a correction of the individual receiving points relative to the vehicle can be achieved. At the same time, however, the force measurement is not influenced by this movement of the receiving plate relative to the sleeve body, since the circumferential collar is still supported relative to the support arm.
- the receiving plate or the region of the receiving plate, which is received by the sleeve portion of the sleeve body, an external thread and the sleeve portion has an internal thread.
- the receiving element on a base body of a deformable material in at least one direction and the sensor device is provided in the interior of this body.
- the base body is deformable at least in the direction in which the weight of the vehicle acts.
- an energy storage device and a transmitting device are arranged in the interior of this base material in addition to the sensor device.
- the body is made of a hard rubber material which is capable of absorbing the high weight forces of a vehicle without being damaged.
- the sensor device is particularly preferably a strain gauge. However, it would also be possible to measure deformations in one direction, which is perpendicular to the weight.
- a support arm for a nitch claimed lift conceivable with a first Tragearmabrough and a second Tragearmabrough, which is in communication with the first Tragearmabrough and can be moved relative to this telescopically.
- a sensor device for measuring a weight of the vehicle is arranged on the second arm section.
- the sensor device is a strain gauge. This is particularly preferably arranged on the vehicle or the support point on the vehicle facing the end of the second Tragearmabitess. Also in this way a largely immediate measurement of the forces occurring is possible.
- the present invention is further directed to a lift with at least one support element according to claim 1.
- the present invention further relates to a measuring arrangement for lifting platforms with a plurality of erfindunbreen support elements according to claim 1 and a central work unit, wherein the working unit has a receiving device for the output from the transmitting means of the support elements signals.
- a receiving device for the output from the transmitting means of the support elements signals.
- This may be, for example, a central computer, which receives the signals of the support elements.
- this working unit can distinguish the incoming signals on the basis of their identification signal and assign them to a specific support element.
- the working unit has a memory device in which vehicle-specific characteristics are stored, such as, for example, the relationships between a weight load on the rear axle and a weight load on the front axle.
- the processor device decide on the basis of the measured weight forces which support elements are assigned to the front region of the vehicle and which support elements are assigned to the rear region of the vehicle. So it is conceivable, for example, in a number of vehicles that on the front support elements the double weight load as on the rear support elements, since the engine is arranged in the front region of the vehicle. Join other vehicles in this case weight ratios of 2: 3. On the basis of these known conditions so that the support elements can be assigned to the positions of the vehicle. In this way, the load distributions provided by the relevant CE regulations can be monitored.
- the processor device preferably makes the decision, taking into account the total weight of the vehicle, as to whether weight ratios of 2: 1 or 3: 2 are used. For example, for a total weight up to 3.0 tons, i. a weight ratio of 2: 1 and at a higher weight a ratio of 3: 2.
- the processor device can also allow certain deviations from the above-mentioned target ratios, such as deviations between + 5% and - 5 % of the setpoint.
- the individual support elements are provided with labels that allow the operator to assign them correctly, such as "front right”, “rear left” and the like.
- the identification codes of the individual support elements are also stored in the processor device, so that the processor device can distinguish whether a specific signal originates from an associated support element or, for example, from another support element.
- the identification codes stored in the working unit are changeable. In this way, for example, damaged support elements can be replaced by new support elements and continue operation in this way.
- the processor device can preferably be switched between a learning mode and a working mode, wherein new support elements can be read in the learning mode.
- the working unit also has a display or a display device.
- the individual measured weights can be output.
- an alarm device may be provided which outputs an alarm signal when exceeding or falling below a certain weight force value and, for example, stops a lifting operation.
- the alarm device can also cause only a downward movement of the lift is possible.
- this display can also provide more detailed information, for example be spent on the exact weight distribution at different support points.
- the measurement of the weight forces preferably takes place at predetermined intervals, for example in the 5 sec cycle. However, it would also be possible to control the intervals as a function of the respective movement of the lift and to select a longer interval at standstill than a lifting movement.
- acceleration sensors could additionally be installed in the support elements, which detect a movement of the respective support element.
- Fig. 1 shows a support element 2 in a first embodiment.
- This support element 2 has a receiving plate 8 for receiving a portion of a vehicle.
- This receiving plate 8 has a contact surface 3, which is the same when lifting the vehicle with parts.
- This contact surface is designed here as a rubber pad 3.
- a Ronde 5 is provided below the rubber pad 3 , which is connected to a threaded piece 10. With the help of a cylinder screw 9, the rubber pad 3 is attached to the threaded part 10.
- the receiving plate 8 is thus composed of the threaded part 10, the rubber pad 3 and the blank 5 together.
- the receiving plate 8 rests in the assembled state in a sleeve body 12. More specifically, for this purpose, the sleeve body 12 has an internal thread which can be screwed to a corresponding external thread of the support plate 8 and the threaded part 10.
- the sleeve body 12 has a sleeve portion 15 and a collar 16. Opposite this collar 16, the Ronde 5 of the support plate 8 is supported. In this case, the rubber pad 3 is also attached to the peripheral edge of the blank 5 by a projection 19.
- the receiving plate is also referred to below as a support plate.
- the reference numeral 17 refers to a pin of the sleeve body 12, with which this can be arranged in a preferred position on a support arm. This pin engages in a corresponding opening of the support arm. In this way, the support element on the one hand rotationally fixed in the support arm can be arranged on the other hand but also easily, namely by pulling, are removed from the support arm. Conversely, a pin could also be provided in the support arm, which engages in a corresponding opening of the support element 2.
- the reference numeral 11 denotes a locking ring which prevents complete removal of the receiving plate 8 from the sleeve body 12.
- the sensor device 4 is provided for force measurement. More specifically, at the in Fig. 1 shown embodiment, four sensor devices evenly distributed in the circumferential direction of the receiving plate 8 and the circumferential collar 16. It should be noted that the full weight force between the bottom 16a and the peripheral edge 16 and the support arm of the lift acts. This can be achieved by an arrangement of the sensor device 4 at the in Fig. 1 shown point the transmitted weight force are measured, regardless of whether the receiving plate 8 is completely screwed into the sleeve body 12. In the case of a defect or failure of individual sensor devices therefore not the entire arm must be replaced, but it is sufficient to replace the sleeve body 12 against another sleeve body.
- Fig. 2 shows a plan view of the in Fig. 1 shown support element. It can be seen here both the cylinder screw 9, which serves to attach the rubber pad and the rubber pad 3 itself.
- Fig. 3 shows a further embodiment of a support element according to the invention, which is installed in a support arm of a lift.
- the support arm has an end portion 34 with an opening 35 into which the sleeve body 12 is inserted.
- the sensor device is likewise arranged here on the peripheral edge 16 of the sleeve body 12.
- Fig. 4 shows a sleeve body 12 and more precisely its peripheral collar 16.
- the threaded portion 10 of the receiving plate 8 can be arranged.
- the circumferential collar is executed here circumferentially, but could also have interruptions.
- Fig. 5 shows a perspective view of the in Fig. 4 shown sleeve body.
- sleeve portion 15 In addition to a round design of the sleeve portion 15 but here also other versions are selected, for example, elliptical cross sections, polygonal cross sections and the like.
- Fig. 6 shows a detailed representation of the peripheral edge 16. This has individual holes or recesses 6, in which the sensor devices 4 are arranged. It is for example possible to pour the sensor device 4 in this recess 6 and secure in this way. It would also be possible to choose the opening so thin that essentially only the sensor element finds room. Furthermore, further devices of the sensor device (shown only schematically) may be provided in the opening, such as an output device 13 which outputs measurement signals. In addition, a transmitting device 14 is provided, which forwards the measured signal to a receiving device. Finally, an energy storage device 7 is preferably provided, which supplies the sensor device 4 and the transmitting device 14 with electrical energy. This energy storage device is preferably a battery.
- the energy storage device 7 and the devices 13 and 14 may also be arranged further inside the sleeve body 12 or in a region of the sleeve body 12 which is not exposed to high weight forces. It is also possible to insert into the sleeve body a sensor module which is composed of the sensor device 4, the transmitting device 14, the energy storage device 7 and optionally further components. In a further preferred embodiment, the energy storage device is arranged such that it can be replaced individually. However, it would also be possible to make the entire sensor module interchangeable.
- Fig. 7 shows a further nitch claimed embodiment of a support member 20.
- This support member 20 has a base body 24 which consists of a deformable material such as hard rubber.
- This support member has an upper support surface 22 which is applied to a portion of the vehicle during the lifting of the vehicle.
- This embodiment is particularly suitable for underfloor lifts.
- the support element can also take other forms such as cylindrical shapes, parallelepiped shapes, hemispherical shapes, in particular flattened shapes, elliptical-diameter shapes, trapezoidal shapes, combinations thereof, and the like.
- the support element 20 is formed like a truncated cone and is, as in Fig. 7 shown, for example, placed on lifting pads of a lift.
- Fig. 8 shows the bottom of the in Fig. 7 shown support element.
- this bottom two larger openings 26 and four smaller openings 25 are arranged. These smaller openings can be used for example for the spatial fixing of the support element relative to the support arm of a lift.
- Fig. 9 shows an interior view of the support element Fig. 7 along the line AA in Fig. 8 . It is also possible to integrate in the larger opening 26 electronic components, such as the above-mentioned transmitting device, the energy storage device and processor devices. These elements can be poured into the support element 20.
- the reference numeral 4 also indicates a sensor device which serves to measure the weight force acting along the arrow P. Again, several such sensor devices can be provided as strain gauges.
- the sensor device can be designed here as a flat element, which is arranged perpendicular to the plane of the figure.
- this support element 20 is that it can be arranged in principle at any point of the motor vehicle. Also, this support element can be easily replaced with another support element.
- the support element 20 on one of its side surfaces 23 (FIG. Fig. 7 ) Have labels that indicate to a mechanic, at which point with respect to the vehicle to arrange this support element, for example, "VR" for the front right.
- the support element emits, in addition to a measurement signal, an identification signal which enables a receiving device to be assigned to the relevant support element. With the correct arrangement of the support elements, the position at which the support element is arranged with respect to the vehicle can thus also be determined.
- Fig. 10 shows an unclaimed support member 30 of a lift, which here has a first Tragearmabexcellent 36 and a relative to this first Tragearmabexcellent displaceable second Tragearmabrough 40. More specifically, this is a support arm 36 on which a middle drawer arm 38 and a front drawer arm 40 are arranged.
- This front extension arm 40 has an end portion 34 with an opening 35. In this opening 35, in the Figures 1 - 3 shown support element to be inserted.
- the sensor device 4 as in Fig. 10 shown disposed directly in the end portion 34 so as to allow an immediate measurement of the weight.
- a rotation measuring strip is also used as the sensor device in this case.
- the strain gauge can be arranged in the end portion so that it can be easily exchanged in this case.
- the reference numeral 43 refers to a slider for the middle extension arm.
- a support element 2 instead of a support element 2 according to the invention, however, a conventional support element could also be inserted into the opening 35.
- a sensor device 4 would then have to be arranged in the front extension arm 40.
- the sensor element is arranged in the end portion 34, since here, as in the peripheral edge 16, a largely immediate measurement of the weight forces occurring is possible. It would also be possible in this embodiment to integrate transmission devices and output devices directly into the front extension arm 40.
- one or more sensor elements can also be arranged in the end section 34 instead of or next to the sensor element.
- the reference numeral 37 refers to a linkage with which the support arm 30 can be arranged on the vertical lifting elements of the lift and is thereby pivotally held.
- the reference numeral 44 refers to a cylinder screw to prevent complete removal of the central extension arm 38 from the support arm 36.
- a corresponding cylinder screw 41 is also arranged on the front support arm 40.
- Fig. 12 shows a block diagram of a measuring arrangement according to the invention for lifts.
- This measuring arrangement has four support elements in the Figures 1 - 3 shown on. Each of these support elements emits a signal when loaded, which is characteristic of a measured weight force. These signals are delivered to a working unit 50.
- This working unit 50 has a receiving device 51 for receiving the signals emitted by the support elements 2 and 20, respectively.
- a processor device 53 is provided which receives and analyzes signals. In this case, the processor device can not only determine the measured weight forces, but also determine on the basis of identification signals, from which support element which signal comes.
- vehicle data which serve to associate the individual support elements with certain points of the vehicle can also be stored in the processor device or a memory device 55 associated therewith.
- the processor device can also determine the position of the support elements and take this into account in the control of the lift.
- an alarm device may be provided, which triggers an alarm, for example, when determining a too low weight acting on one of the support elements, or a non-uniform weight distribution on one or more support elements and, for example, sets a lifting operation.
- the working unit 50 has a display device 54 which outputs to the user the respectively measured weight forces, preferably with an association with the respective support element or the area of the vehicle. Such a display can determine whether the support points of the lift are correctly attached to the vehicle.
- the working unit is connected to the control of the lifting platform in order to influence the occurrence of incorrect weight distributions can.
- the work unit may further include an alarm output device (not shown) indicating erroneous weight distribution.
- the processor device 53 is therefore also able to distinguish signals originating from the support elements 2, 20 from signals originating from other support elements or other transmission devices. If individual support elements can be exchanged, it is possible to store in the work unit the corresponding new addresses of the replacement support elements. This re-storage can also be done automatically, in which, for example, a read mode is provided which reads in new support elements or their identification codes.
- the working device can also be connected to a computer.
- the working unit 50 thus also serves for evaluating the signals of the individual sensor devices in order to determine the loads on the individual contact areas between the support elements and the vehicle in this way. By measuring the weight forces acting on the individual support elements, the evaluation can be used to determine whether the load of the vehicle is correctly distributed in order to enable a safe lifting of the vehicle.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Pallets (AREA)
- Warehouses Or Storage Devices (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Die vorliegende Erfindung bezieht sich auf eine Hebebühne für Kraftfahrzeuge. Derartige Hebebühnen sind aus dem Stand der Technik seit langem bekannt. Die Erfindung wird unter Bezugnahme auf eine KFZ - Hebebühne und insbesondere auf eine Zwei-Säulen-Hebebühne beschrieben, wobei an jeder Säule eine in vertikaler Richtung anheb- und absenkbare Hubeinrichtung angeordnet ist. Diese Hubeinrichtung weist horizontal schwenkbare Tragarme zur Aufnahme der Kraftfahrzeuge auf.The present invention relates to a lift for motor vehicles. Such lifts are known from the prior art for a long time. The invention will be described with reference to a car lift and more particularly to a two-pillar lift, with a lifting device which can be raised and lowered in the vertical direction on each pillar. This lifting device has horizontally pivotable support arms for receiving the motor vehicles.
Bei derartigen Hebebühnen ist stets darauf zu achten, dass die einzelnen Auflagepunkte zwischen den Tragearmen beziehungsweise deren Auflageflächen und den anzuhebenden Bereichen des Fahrzeugs genau ausgewählt sind und sich im Laufe des Hebevorgangs die Kräfteverhältnisse nicht verändern. Insbesondere ist dabei zu beachten, dass die Aufnahmeelemente der Hebebühne an die korrekten Auflagestellen des zu hebenden Objekts beziehungsweise Fahrzeugs angeordnet werden. Wird eine Auflagefläche unsachgemäß angebracht, kann es im Verlauf des Hubvorgangs zu einer vollständigen Entlastung des entsprechenden Aufnahmeelements und sogar zu einem Kippen beziehungsweise Herabfallen des Fahrzeugs kommen.In such lifts is always important to ensure that the individual support points between the support arms or their support surfaces and the areas to be lifted of the vehicle are precisely selected and do not change the balance of power in the course of the lifting process. In particular, it should be noted that the receiving elements of the lift are placed on the correct support points of the object or vehicle to be lifted. If a support surface is improperly mounted, it may come in the course of the lifting process to a complete relief of the corresponding receiving element and even to a tilting or falling of the vehicle.
Aus der
Aus der
Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, die Sicherheit von Hebebühnen zu verbessern und dabei auch vorhandene beziehungsweise ältere Modelle mit derartigen Sicherheitssystemen ausstatten zu können. Eine weitere erfindungsgemäße Aufgabe liegt darin, eine Hebebühne zu schaffen, die Korrekturmöglichkeiten im Falle eines auftretenden Ungleichgewichts erlaubt.The present invention is therefore based on the object to improve the safety of lifts and thereby equip existing or older models with such security systems can. Another object of the invention is to provide a lift that allows correction in case of imbalance occurring.
Dies wird erfindungsgemäß durch ein Auflageelement nach Anspruch 1 erreicht. Vorteilhafte Ausführungsformen und Weiterbildungen sind Gegenstand der Unteransprüche.This is inventively achieved by a support element according to claim 1. Advantageous embodiments and further developments are the subject of the dependent claims.
Das erfindungsgemäße Auflageelement für Hebebühnen ist zwischen einem Trageelement der Hebebühne und einem zu hebenden Fahrzeug anordenbar und ist erfindungsgemäß von dem Trageelement entfernbar und weist eine Sensoreinrichtung zur Messung einer zwischen dem Fahrzeug und dem Trageelement wirkenden bzw. von dem Fahrzeug auf das Trageelement übertragenen Gewichtskraft auf, wobei die Sensoreinrichtung ein Signal ausgibt, das für diese Gewichtskraft charakteristisch ist. Daneben ist eine Sendeeinrichtung vorgesehen, die das für diese Gewichtskraft charakteristisches Signal oder ein aus diesem Signal abgeleitetes Signal ausgibt. Erfindungsgemäß weist das Aufnahmeelement einen Aufnahmeteller (8) zur Aufnahme eines Bereichs des Fahrzeugs sowie einen Hülsenkörper auf. Unter einer entfernbaren Anordnung des Auflageelements von dem Trageelement wird verstanden, dass dieses insbesondere ohne Substanzbeeinträchtigung des Trageelements oder des Auflageelements von dem Tragelement entfernt werden kann, beispielsweise durch Abziehen oder Abschrauben, insbesondere ohne die Verwendung von Werkzeug. Auch wird darunter verstanden, dass das Auflageelement ohne hohen zeitlichen beziehungsweise energetischen Aufwand von dem Trageelement der Hebebühne entfernt werden kann. Auf diese Weise ist ein einfacher Austausch bzw. ein einfaches Nachrüsten älterer Modelle möglich. Bevorzugt kann das Auflageelement in einen Bereich des Trageelements eingeschoben werden.The supporting element according to the invention for lifting platforms can be arranged between a carrying element of the lifting platform and a vehicle to be lifted and is removable from the carrying element according to the invention and has a sensor device for measuring a weight force acting between the vehicle and the carrying element or transmitted from the vehicle to the carrying element, wherein the sensor device outputs a signal that is characteristic of this weight. In addition, a transmitting device is provided which outputs the characteristic of this weight signal or a signal derived from this signal. According to the invention, the receiving element on a receiving plate (8) for receiving a portion of the vehicle and a sleeve body. A removable arrangement of the support element of the support member is understood to mean that this particular without material impairment of the support member or the support element can be removed from the support element, for example by peeling or unscrewing, in particular without the use of tools. It is also understood that the support element can be removed without high time or energy expense of the support member of the lift. In this way, a simple replacement or retrofitting older models is possible. Preferably, the support element can be inserted into an area of the support element.
Unter einer Sensoreinrichtung wird jede Sensoreinrichtung verstanden, die geeignet ist, zwischen dem Fahrzeug und dem Trageelement der Hebebühne auftretende Gewichtskräfte zu messen. Vorzugsweise handelt es sich bei der Sensoreinrichtung um eine Kraftmesseinrichtung. Besonders vorteilhaft handelt es sich bei der Sensoreinrichtung um einen Dehnmessstreifen, der in einem Bereich des Auflageelements angeordnet ist. Bei einer vorteilhaften Ausführungsform handelt es sich bei dem Auflageelement um einen Körper, der auf dem Trageelement abgelegt wird und bei einer weiteren Ausführungsform um ein Auflageelement, welches mit einem Bestandteil des Trageelements verschraubt wird. Bei dem Trageelement handelt es sich insbesondere um einen Bereich des Tragearms der Hebebühne beziehungsweise ein Segment dieses Tragearms.A sensor device is understood to mean any sensor device which is suitable for measuring weight forces occurring between the vehicle and the carrying element of the lifting platform. Preferably, the sensor device is a force measuring device. The sensor device is particularly advantageously a strain gauge which is arranged in a region of the support element. In an advantageous embodiment, the support element is a body which is deposited on the support element and in another embodiment a support element which is screwed to a component of the support element. The carrying element is in particular a region of the support arm of the lifting platform or a segment of this carrying arm.
Das Auflageelement wird besonders bevorzugt an dem Auflagebereich des Trageelements für das Fahrzeug angeordnet.The support element is particularly preferably arranged on the support region of the support element for the vehicle.
Auf diese Weise wird auch erreicht, dass die Sensoreinrichtung unmittelbar durch die Gewichtskraft des Fahrzeugs beeinflusst wird und nicht gegebenenfalls über eine Vielzahl von weiteren Tragearmen weitervermittelt wird.In this way, it is also achieved that the sensor device is influenced directly by the weight of the vehicle and is not possibly further transmitted via a plurality of further support arms.
Bei einer bevorzugten Ausführungsform weist das Auflageelement eine Sendeeinrichtung auf, die das von der Ausgabeeinrichtung ausgegebene charakteristische Signal drahtlos an eine Empfangseinrichtung ausgibt. Prinzipiell wäre es auch möglich, das Auflageelement über eine Kabelverbindung mit einem Zentralgerät zu verbinden oder auch das Auflageelement direkt mit einer Ausgabeeinrichtung wie einem Display auszustatten. Eine drahtlose Verbindung zwischen den Auflageelementen und der Empfangseinrichtung ist jedoch vorteilhaft.In a preferred embodiment, the support element has a transmitting device which outputs the characteristic signal output by the output device wirelessly to a receiving device. In principle, it would also be possible to connect the support element via a cable connection to a central device or to equip the support element directly with an output device such as a display. However, a wireless connection between the support elements and the receiving device is advantageous.
Vorzugsweise gibt die Sendeeinrichtung neben dem ausgegebenen charakteristischen Signal für die Kraft auch ein Identifikationssignal aus, welches das Auflageelement eindeutig charakterisiert. So ist es beispielsweise möglich, dass im Rahmen eines Binärcodes sowohl ein für die gemessene Kraft charakteristisches Signal als auch ein Identifikationscode ausgegeben wird. Auf diese Weise kann beispielsweise ein Zentralcomputer feststellen, von welchem Auflageelement das entsprechende Signal stammt. So kann beispielsweise vermieden werden, dass ein Signal erfasst wird, welches von einem anderen Auflageelement stammt und damit können Verwechslungen vermieden werden.Preferably, the transmitting device also outputs, in addition to the output characteristic signal for the force, an identification signal which uniquely characterizes the supporting element. It is thus possible, for example, for a signal characteristic of the measured force as well as an identification code to be output as part of a binary code. In this way, for example, a central computer can determine from which support element the corresponding signal originates. Thus, for example, it can be avoided that a signal is detected which is from another support element and thus confusion can be avoided.
Besonders bevorzugt wird das Signal über elektromagnetische Wellen übertragen, wobei insbesondere Funk, infrarotes Licht, ultraviolettes Licht und dergleichen in Betracht kommen.Particularly preferably, the signal is transmitted via electromagnetic waves, wherein in particular radio, infrared light, ultraviolet light and the like come into consideration.
Bei einer weiteren bevorzugten Ausführungsform weist das Auflageelement eine Stromspeichereinrichtung wie eine Batterie auf. Damit kann das Auflageelement autark alle gemessenen Signale ausgeben.In a further preferred embodiment, the support element has a power storage device such as a battery. Thus, the support element can autonomously output all measured signals.
Es wäre jedoch auch möglich, das Auflageelement über andere Energieversorgungsmittel wie Induktionsschleifen und dergleichen mit der nötigen Energie zu versorgen. Auch wäre es möglich, das Auflageelement an eine externe Stromquelle anzuschließen.However, it would also be possible to supply the support element via other energy supply means such as induction loops and the like with the necessary energy. It would also be possible to connect the support element to an external power source.
Bei einer weiteren bevorzugten Ausführungsform sind auch an den Tragearmen der Hebebühne weitere Kraftmesseinrichtungen wie Dehnmessstreifen vorgesehen. Auch an den entsprechenden Hubsäulen können Kraftmesseinrichtungen, insbesondere mit Dehnmessstreifen, angeordnet sein.In a further preferred embodiment, further force measuring devices such as strain gauges are provided on the support arms of the lift. Force measuring devices, in particular with strain gauges, can also be arranged on the corresponding lifting columns.
Bei einer weiteren bevorzugten Ausführungsform können zur Übertragung der gemessenen Daten wie der Gewichtskräfte auch Transponder oder dergleichen eingesetzt werden.In a further preferred embodiment, transponders or the like can be used to transmit the measured data, such as the weight forces.
Bei einer weiteren vorteilhaften Ausführungsform ist die Sensoreinrichtung bevorzugt in dem Hülsenkörper vorgesehen. Bei dieser Ausführungsform ist damit das Auflageelement zweiteilig ausgebildet und besteht aus dem Aufnahmeteller und dem Hülsenkörper. Dabei weist besonders vorteilhaft der Hülsenkörper einen Hülsenabschnitt auf, der einen Bereich des Aufnahmetellers aufnimmt sowie einen sich gegen das Trageelement der Hebebühne abstützenden Umfangskragen. Besonders vorteilhaft ist die Sensoreinrichtung in diesem Umfangskragen angeordnet. Die von dem Kraftfahrzeug wirkende Gewichtskraft wird dabei über den Aufnahmeteller auf den Hülsenabschnitt und genauer dem Umfangskragen übertragen. Damit können durch die Anordnung von Sensoreinrichtungen in diesem Umfangskragen direkt die Gewichtskräfte gemessen werden. Besonders bevorzugt stützt sich der untere Bereich dieses Umfangskragens gegenüber dem Tragelement ab. Diese Ausführungsform erlaubt ein schnelles und einfaches Entfernen des Auflageelements von dem Trageelement, da das Auflageelement beispielsweise einfach in eine Öffnung des Trageelements eingesetzt werden kann. Damit ist ein werkzeugloser Austausch des Auflageelements möglich.In a further advantageous embodiment, the sensor device is preferably provided in the sleeve body. In this embodiment, so that the support element is formed in two parts and consists of the receiving plate and the sleeve body. In this case, the sleeve body particularly advantageously has a sleeve section which accommodates a region of the receiving plate and a peripheral collar which is supported against the carrying element of the lifting platform. Particularly advantageously, the sensor device is arranged in this circumferential collar. The force acting by the motor vehicle weight is transmitted via the receiving plate on the sleeve portion and more precisely the peripheral collar. This can be measured by the arrangement of sensor devices in this circumferential collar directly the weight forces. Particularly preferably, the lower region of this circumferential collar is supported from the support element. This embodiment allows a quick and easy removal of the Supporting element of the support member, since the support element can be easily used for example in an opening of the support member. For a tool-free replacement of the support element is possible.
Bei einer weiteren bevorzugten Ausführungsform weist das Auflageelement eine Vielzahl von Sensoreinrichtungen auf, die gleichmäßig in der Umfangsrichtung des Umfangskragens verteilt sind. Auf diese Weise kann die Gewichtskraft des Fahrzeuges genauer ermittelt werden wobei beispielsweise fehlerhafte Sensoreinrichtungen festgestellt werden können oder auch die ausgegebenen Werte der einzelnen Sensoreinrichtung gemittelt werden können.In a further preferred embodiment, the support element has a plurality of sensor devices which are distributed uniformly in the circumferential direction of the circumferential collar. In this way, the weight of the vehicle can be determined more accurately, for example, faulty sensor devices can be detected or the output values of the individual sensor device can be averaged.
Dabei ist es möglich, dass die einzelnen Sensoreinrichtungen jeweils die Werte an die Ausgabeeinrichtung übermitteln. Bei einer weiteren bevorzugten Ausführungsform ist der Aufnahmeteller gegenüber dem Hülsenkörper in einer Längsrichtung des Hülsenabschnitts bewegbar. Auf diese Weise kann eine Korrektur der einzelnen Aufnahmepunkte gegenüber dem Fahrzeug erreicht werden. Gleichzeitig wird jedoch durch diese Bewegung des Aufnahmetellers gegenüber dem Hülsenkörper die Kraftmessung nicht beeinflusst, da sich nach wie vor der Umfangskragen gegenüber dem Tragearm abstützt.It is possible that the individual sensor devices in each case transmit the values to the output device. In a further preferred embodiment, the receiving plate is movable relative to the sleeve body in a longitudinal direction of the sleeve portion. In this way, a correction of the individual receiving points relative to the vehicle can be achieved. At the same time, however, the force measurement is not influenced by this movement of the receiving plate relative to the sleeve body, since the circumferential collar is still supported relative to the support arm.
Besonders bevorzugt weist der Aufnahmeteller beziehungsweise der Bereich des Aufnahmetellers, der von dem Hülsenabschnitt des Hülsenkörpers aufgenommen wird, ein Außengewinde auf und der Hülsenabschnitt weist ein Innengewinde auf. Durch eine derartige Anordnung kann eine besonders verschleißarme Kraftübertragung und auch eine Höhenverstellbarkeit ermöglicht werden.Particularly preferably, the receiving plate or the region of the receiving plate, which is received by the sleeve portion of the sleeve body, an external thread and the sleeve portion has an internal thread. By such an arrangement, a particularly low-wear power transmission and also a height adjustment can be made possible.
Bei einer anderen Ausführungsform weist das Aufnahmeelement einen Grundkörper aus einem wenigstens in eine Richtung verformbaren Material auf und die Sensoreinrichtung ist im Inneren dieses Grundkörpers vorgesehen. Insbesondere ist der Grundkörper wenigstens in derjenigen Richtung verformbar, in der die Gewichtskraft des Fahrzeugs wirkt. Vorzugsweise sind im inneren dieses Grundmaterials neben der Sensoreinrichtung auch eine Energiespeichereinrichtung sowie eine Sendeeinrichtung angeordnet. Vorzugsweise besteht der Grundkörper aus einem Hartgummimaterial, welches in der Lage ist, die hohen Gewichtskräfte eines Fahrzeugs aufzunehmen ohne dabei beschädigt zu werden. Auch bei dieser Ausführungsform handelt es sich bei der Sensoreinrichtung besonders bevorzugt um einen Dehnmessstreifen. Es wäre jedoch auch möglich, Verformungen in einer Richtung zu messen, die senkrecht zu der Gewichtskraft steht.In another embodiment, the receiving element on a base body of a deformable material in at least one direction and the sensor device is provided in the interior of this body. In particular, the base body is deformable at least in the direction in which the weight of the vehicle acts. Preferably, an energy storage device and a transmitting device are arranged in the interior of this base material in addition to the sensor device. Preferably, the body is made of a hard rubber material which is capable of absorbing the high weight forces of a vehicle without being damaged. Also in this embodiment, the sensor device is particularly preferably a strain gauge. However, it would also be possible to measure deformations in one direction, which is perpendicular to the weight.
Weiterhin ist ein Tragearm für eine nitch beanspruchte Hebebühne denkbar mit einem ersten Tragearmabschnitt und einem zweiten Tragearmabschnitt, der mit dem ersten Tragearmabschnitt in Verbindung steht und gegenüber diesem teleskopartig bewegt werden kann. Erfindungsgemäß ist an dem zweiten Armabschnitt eine Sensoreinrichtung zur Messung einer Gewichtskraft des Fahrzeugs angeordnet. Vorteilhafterweise handelt es sich auch hier bei der Sensoreinrichtung um einen Dehnmessstreifen. Dieser ist besonders bevorzugt an dem fahrzeug beziehungsweise dem Auflagepunkt am Fahrzeug zugewandten Ende des zweiten Tragearmabschnitts angeordnet. Auch auf diese Weise ist eine weitgehend unmittelbare Messung der auftretenden Kräfte möglich.Furthermore, a support arm for a nitch claimed lift conceivable with a first Tragearmabschnitt and a second Tragearmabschnitt, which is in communication with the first Tragearmabschnitt and can be moved relative to this telescopically. According to the invention, a sensor device for measuring a weight of the vehicle is arranged on the second arm section. Advantageously, here too the sensor device is a strain gauge. This is particularly preferably arranged on the vehicle or the support point on the vehicle facing the end of the second Tragearmabschnitts. Also in this way a largely immediate measurement of the forces occurring is possible.
Die vorliegende Erfindung ist weiterhin auf eine Hebebühne mit wenigstens einem Auflageelement gemäß Anspruch 1 gerichtet.The present invention is further directed to a lift with at least one support element according to claim 1.
Die vorliegende Erfindung bezieht sich weiterhin auf eine Messanordnung für Hebebühnen mit einer Vielzahl von erfindungemäßen Auflageelementen gemäß Anspruch 1 und einer zentralen Arbeitseinheit, wobei die Arbeitseinheit eine Empfangseinrichtung für die von den Sendeeinrichtungen der Auflageelementen abgegebenen Signale aufweist, gerichtet. Dabei kann es sich beispielsweise um einen Zentralcomputer handeln, der die Signale der Auflageelemente aufnimmt. Vorzugsweise kann diese Arbeitseinheit die ankommenden Signale anhand ihres Identifikationssignals jeweils unterscheiden und einem bestimmten Auflageelement zuordnen.The present invention further relates to a measuring arrangement for lifting platforms with a plurality of erfindungemäßen support elements according to claim 1 and a central work unit, wherein the working unit has a receiving device for the output from the transmitting means of the support elements signals. This may be, for example, a central computer, which receives the signals of the support elements. Preferably, this working unit can distinguish the incoming signals on the basis of their identification signal and assign them to a specific support element.
Besonders bevorzugt weist die Arbeitseinheit eine Speichereinrichtung auf, in der fahrzeugspezifische Kenndaten gespeichert sind, wie beispielsweise die Verhältnisse zwischen einer auf der Hinterachse lastenden Gewichtskraft und einer auf der Vorderachse lastenden Gewichtskraft.Particularly preferably, the working unit has a memory device in which vehicle-specific characteristics are stored, such as, for example, the relationships between a weight load on the rear axle and a weight load on the front axle.
Auf diese Weise ist es möglich, dass die Prozessoreinrichtung anhand der gemessenen Gewichtskräfte entscheidet, welche Auflageelemente dem vorderen Bereich des Fahrzeuges und welche Auflageelemente dem hinteren Bereich des Fahrzeugs zugeordnet sind. So ist es beispielsweise bei einer Reihe von Fahrzeugen denkbar, dass auf den vorderen Auflageelementen die doppelte Gewichtskraft lastet wie auf den hinteren Auflageelementen, da im vorderen Bereich des Fahrzeugs der Motor angeordnet ist. Bei anderen Fahrzeugen treten hierbei Gewichtsverhältnisse von 2:3 auf. Unter Zugrundelegung dieser bekannten Verhältnisse können damit die Auflageelemente den Positionen des Fahrzeugs zugeordnet werden. Auf diese Weise können die von den einschlägigen CE - Vorschriften vergegebenen Lastverteilungen überwacht werden.In this way, it is possible for the processor device to decide on the basis of the measured weight forces which support elements are assigned to the front region of the vehicle and which support elements are assigned to the rear region of the vehicle. So it is conceivable, for example, in a number of vehicles that on the front support elements the double weight load as on the rear support elements, since the engine is arranged in the front region of the vehicle. Join other vehicles in this case weight ratios of 2: 3. On the basis of these known conditions so that the support elements can be assigned to the positions of the vehicle. In this way, the load distributions provided by the relevant CE regulations can be monitored.
Weiterhin trifft die Prozessoreinrichtung bevorzugt unter Berücksichtigung des Gesamtgewichts des Fahrzeugs die Entscheidung, ob Gewichtsverhältnisse von 2: 1 oder von 3: 2 zugrundegelegt werden. Beispielsweise könnte bei einem Gesamtgewicht bis zu 3,0 t, d.h. einem für PKW's üblichen Gewicht, ein Verhältnis von 2:1 zugrundegelegt werden und bei einem höheren Gewicht ein Verhältnis von 3: 2. Daneben kann die Prozessoreinrichtung auch bestimmte Abweichungen von den oben genannten Sollverhältnissen zulassen, wie etwa Abweichungen zwischen + 5% und - 5% von dem Sollwert.Furthermore, the processor device preferably makes the decision, taking into account the total weight of the vehicle, as to whether weight ratios of 2: 1 or 3: 2 are used. For example, for a total weight up to 3.0 tons, i. a weight ratio of 2: 1 and at a higher weight a ratio of 3: 2. In addition, the processor device can also allow certain deviations from the above-mentioned target ratios, such as deviations between + 5% and - 5 % of the setpoint.
Es wäre jedoch auch möglich, dass die einzelnen Auflageelemente mit Beschriftungen versehen sind, die es dem Bedienpersonal erlauben, sie richtig zuzuordnen, wie beispielsweise "vorne rechts", "hinten links" und dergleichen.However, it would also be possible that the individual support elements are provided with labels that allow the operator to assign them correctly, such as "front right", "rear left" and the like.
Vorzugsweise sind in der Prozessoreinrichtung auch die Identifikationscodes der einzelnen Auflageelemente abgespeichert, damit die Prozessoreinrichtung unterscheiden kann, ob ein bestimmtes Signal von einem zugeordneten Auflageelement oder beispielsweise von einem anderen Auflageelement stammt. Vorzugsweise sind die Identifikationscodes, die in der Arbeitseinheit gespeichert sind, veränderbar. Auf diese Weise können beispielsweise beschädigte Auflageelemente durch neue Auflageelemente ausgetauscht und auf diese Weise der Betrieb fortgesetzt werden. Bevorzugt kann dabei die Prozessoreinrichtung zwischen einem Lernmodus und einem Arbeitsmodus geschaltet werden, wobei im Lernmodus neue Auflageelemente eingelesen werden können.Preferably, the identification codes of the individual support elements are also stored in the processor device, so that the processor device can distinguish whether a specific signal originates from an associated support element or, for example, from another support element. Preferably, the identification codes stored in the working unit are changeable. In this way, for example, damaged support elements can be replaced by new support elements and continue operation in this way. In this case, the processor device can preferably be switched between a learning mode and a working mode, wherein new support elements can be read in the learning mode.
Bei einer weiteren bevorzugten Ausführungsform weist die Arbeitseinheit auch ein Display bzw. eine Anzeigeeinrichtung auf. Auf diesem Display können beispielsweise die einzelnen gemessenen Gewichtskräfte ausgegeben werden. Auch kann eine Alarmeinrichtung vorgesehen sein, die bei Überschreiten oder Unterschreiten eines bestimmten Gewichtskraftwertes ein Alarmsignal ausgibt und beispielsweise einen Hebevorgang anhält. Weiterhin kann die Alarmeinrichtung auch bewirken, dass nur noch eine Abwärtsbewegung der Hebebühne möglich ist. Daneben können über dieses Display auch genauere Informationen, beispielsweise über die genaue Gewichtsverteilung an unterschiedlichen Auflagepunkten ausgegeben werden.In a further preferred embodiment, the working unit also has a display or a display device. On this display, for example, the individual measured weights can be output. Also, an alarm device may be provided which outputs an alarm signal when exceeding or falling below a certain weight force value and, for example, stops a lifting operation. Furthermore, the alarm device can also cause only a downward movement of the lift is possible. In addition, this display can also provide more detailed information, for example be spent on the exact weight distribution at different support points.
Bevorzugt erfolgt die Messung der Gewichtskräfte in vorgegebenen Intervallen, beispielsweise im 5 sec - Takt. Es wäre jedoch auch möglich, die Intervalle in Abhängigkeit von der jeweiligen Bewegung der Hebebühne zu steuern und im Stillstand ein längeres Intervall zu wählen als bei einer Hebebewegung. Zu diesem Zweck könnten in den Auflageelementen zusätzlich Beschleunigungssensoren eingebaut sein, die eine Bewegung des jeweiligen Auflageelements feststellen.The measurement of the weight forces preferably takes place at predetermined intervals, for example in the 5 sec cycle. However, it would also be possible to control the intervals as a function of the respective movement of the lift and to select a longer interval at standstill than a lifting movement. For this purpose, acceleration sensors could additionally be installed in the support elements, which detect a movement of the respective support element.
Vorteile und Zweckmäßigkeiten sind der nachfolgenden Beschreibung in Verbindung mit den Zeichnungen zu entnehmen.Advantages and advantages can be found in the following description in conjunction with the drawings.
Dabei zeigen:
- Fig. 1
- ein erfindungsgemäßes Auflageelement in einer ersten Ausführungsform;
- Fig. 2
- eine Draufsicht auf das Auflageelement aus
Fig. 1 ; - Fig. 3
- ein Auflageelement, das in einem Tragarm eingesetzt ist;
- Fig. 4
- einen Hülsenkörper eines Auflageelements nach
Fig. 1 ; - Fig. 5
- eine perspektivische Ansicht des Hülsenkörpers aus
Fig. 4 ; - Fig. 6
- eine vergrößerte Detaildarstellung des Hülsenkörpers aus
Fig. 4 ; - Fig. 7
- ein Auflageelement in einer weiteren nicht beanspruchten Ausführungsform;
- Fig. 8
- eine Draufsicht von unten auf das in
Fig. 7 gezeigte Auflageelement; - Fig. 9
- eine Darstellung des Auflageelements aus
Fig. 8 entlang der Linie A-A; - Fig. 10
- einen nicht beanspruchten Tragarm einer Hebebühne;
- Fig. 11
- eine Seitenansicht des Tragarms aus
Fig. 10 ; und - Fig. 12
- ein Blockdiagramm einer erfindungsgemäßen Messanordnung.
- Fig. 1
- an inventive support element in a first embodiment;
- Fig. 2
- a plan view of the support element
Fig. 1 ; - Fig. 3
- a support element which is inserted in a support arm;
- Fig. 4
- a sleeve body of a support element after
Fig. 1 ; - Fig. 5
- a perspective view of the sleeve body
Fig. 4 ; - Fig. 6
- an enlarged detail of the sleeve body
Fig. 4 ; - Fig. 7
- a support element in a further unclaimed embodiment;
- Fig. 8
- a top view from below on the in
Fig. 7 shown supporting element; - Fig. 9
- an illustration of the support element
Fig. 8 along the line AA; - Fig. 10
- an unclaimed arm of a lift;
- Fig. 11
- a side view of the support arm
Fig. 10 ; and - Fig. 12
- a block diagram of a measuring arrangement according to the invention.
Dabei ist es möglich, die Ronde 5 mit dem Gewindestück 10 zu verschweißen und nach dem Schweißvorgang in der Oberseite blecheben zu schleifen. Der Aufnahmeteller 8 ruht im zusammengebauten Zustand in einem Hülsenkörper 12. Genauer gesagt weist zu diesem Zweck der Hülsenkörper 12 ein Innengewinde auf, welches mit einem entsprechenden Außengewinde des Auflagetellers 8 bzw. des Gewindestücks 10 verschraubt werden kann. Der Hülsenkörper 12 weist einen Hülsenabschnitt 15 und einen Kragen 16 auf. Gegenüber diesem Kragen 16 stützt sich die Ronde 5 des Auflagetellers 8 ab. Dabei wird durch einen Überstand 19 die Gummiauflage 3 auch am Umfangsrand der Ronde 5 befestigt. Der Aufnahmeteller wird im Folgenden auch als Auflageteller bezeichnet.It is possible to weld the
Das Bezugszeichen 17 bezieht sich auf einen Stift des Hülsenkörpers 12, mit dem dieser in einer bevorzugten Stellung an einem Tragarm angeordnet werden kann. Dabei rastet dieser Stift in eine entsprechende Öffnung des Tragearmes ein. Auf diese Weise kann das Auflageelement einerseits drehfest in dem Haltearm angeordnet werden, auf der anderen Seite jedoch auch einfach, nämlich durch Herausziehen, von dem Tragearm entfernt werden. Umgekehrt könnte auch in dem Tragearm ein Stift vorgesehen sein, der in eine entsprechende Öffnung des Auflageelements 2 eingreift.The
Das Bezugszeichen 11 kennzeichnet einen Sicherungsring, der ein vollständiges Herausnehmen des Aufnahmetellers 8 aus dem Hülsenkörper 12 verhindert.The
Durch eine Verdrehung des Aufnahmetellers 8 gegenüber dem Hülsenkörper 12 ist eine Verschiebung des Aufnahmetellers gegenüber dem Hülsenkörper 12 in der Längsrichtung L in
Die Energiespeichereinrichtung 7 sowie die Einrichtungen 13 und 14 können jedoch auch weiter im inneren des Hülsenkörper 12 angeordnet sein oder aber in einem Bereich des Hülsenkörpers 12, der keinen hohen Gewichtskräften ausgesetzt ist. Auch ist es möglich, in den Hülsenkörper ein Sensormodul einzusetzen, das sich aus der Sensoreinrichtung 4, der Sendeeinrichtung 14, der Energiespeichereinrichtung 7 sowie gegebenenfalls weiteren Komponenten zusammensetzt. Bei einer weiteren bevorzugten Ausführungsform ist die Energiespeichereinrichtung derart angeordnet, dass sie einzeln ausgetauscht werden kann. Es wäre jedoch auch möglich, das gesamte Sensormodul austauschbar auszuführen.However, the
Neben der Energiespeichereinrichtung 7 wäre es jedoch auch möglich, die nötige Energieversorgung beispielsweise über Solarzellen am Umfangsrand des Umfangskragens 16 zu erreichen.In addition to the
Bei der in
Der Vorteil dieses Auflageelements 20 besteht darin, dass es prinzipiell an beliebiger Stelle des Kraftfahrzeugs angeordnet werden kann. Auch dieses Auflageelement kann einfach gegen ein anderes Auflageelement ausgetauscht werden.The advantage of this
Daneben kann das Auflageelement 20 an einer seiner Seitenflächen 23 (
Es ist jedoch auch möglich, in die Öffnung ein herkömmliches Auflageelement einzusetzen oder den Endabschnitt 34 selbst als Auflagefläche auszugestalten. In diesem Fall wird die Sensoreinrichtung 4, wie in
Das Bezugszeichen 43 bezieht sich auf ein Gleitelement für den mittleren Auszugsarm. Anstelle eines erfindungsgemäßen Auflageelements 2 könnte jedoch auch ein herkömmliches Auflageelement in die Öffnung 35 eingefügt werden. In diesem Falle müsste dann eine Sensoreinrichtung 4 in dem vorderen Auszugsarm 40 angeordnet sein. Besonders bevorzugt ist dann das Sensorelement in dem Endabschnitt 34 angeordnet, da auch hier, ähnlich wie in dem Umfangsrand 16, eine weitgehend unmittelbare Messung der auftretenden Gewichtskräfte möglich ist. Auch wäre es bei dieser Ausführungsform möglich, Sendeeinrichtungen und Ausgabeeinrichtungen direkt in den vorderen Auszugsarm 40 zu integrieren. In dem Gleitelement 43 können auch ein oder mehrere Sensorelemente anstelle oder neben dem Sensorelement in dem Endabschnitt 34 angeordnet sein.The
Das Bezugszeichen 37 bezieht sich auf eine Anlenkung, mit der der Tragarm 30 an den vertikalen Hubelementen der Hebebühne angeordnet werden kann und dabei schwenkbar gehalten wird.The
Das Bezugszeichen 44 bezieht sich auf eine Zylinderschraube um ein vollständiges Ausziehen des mittleren Auszugsarms 38 aus dem Tragarm 36 zu verhindern. Eine entsprechende Zylinderschraube 41 ist auch an dem vorderen Tragarm 40 angeordnet.The
Daneben können in der Prozessoreinrichtung bzw. einer dieser zugeordneten Speichereinrichtung 55 auch Fahrzeugdaten gespeichert sein, die zur Zuordnung der einzelnen Auflageelemente zu bestimmten Punkten des Fahrzeugs dienen. So kann beispielsweise anhand der übermittelten Werte für die Gewichtskraft ermittelt werden, ob das betreffende Auflageelement unter einem vorderen Bereich des Fahrzeugs oder unter einem hinteren Bereich des Fahrzeugs angeordnet ist, da sich, wie oben erwähnt, in Abhängigkeit von den Fahrzeugen diese jeweiligen Gewichtskomponenten unterscheiden. Weiterhin kann die Prozessoreinrichtung auch die Lage der Auflageelemente bestimmen und dies bei der Steuerung der Hebebühne berücksichtigen.In addition, vehicle data which serve to associate the individual support elements with certain points of the vehicle can also be stored in the processor device or a
Schließlich kann in der Arbeitseinheit 50 auch eine Alarmeinrichtung vorgesehen sein, die beispielsweise bei Feststellen einer zu geringen Gewichtskraft, die auf eines der Auflageelemente wirkt, oder einer ungleichmäßigen Gewichtsverteilung auf ein oder mehrere Auflageelemente einen Alarm auslöst und beispielsweise einen Hebevorgang einstellt.Finally, in the working
Daneben weist die Arbeitseinheit 50 eine Anzeigeeinrichtung 54 auf, die an den Benutzer die jeweils gemessenen Gewichtskräfte ausgibt, bevorzugt mit einer Zuordnung zu dem jeweiligen Auflageelement oder dem Bereich des Fahrzeugs. Durch eine derartige Anzeige lässt sich ermitteln, ob die Auflagepunkte der Hebebühne korrekt an dem Fahrzeug angebracht sind. Damit ist, wie oben ausgeführt, die Arbeitseinheit mit der Steuerung der Hebebühne verbunden, um bei Auftreten von fehlerhaften Gewichtsverteilungen auf diese Einwirken zu können. Die Arbeitseinheit kann weiterhin eine (nicht gezeigte) Alarmausgabeeinrichtung aufweisen, die eine fehlerhafte Gewichtsverteilung anzeigt.In addition, the working
Die Prozessoreinrichtung 53 ist damit auch in der Lage Signale, die von den Auflageelementen 2, 20 stammen, zu unterscheiden von Signalen, die von anderen Auflageelementen oder anderen Sendeeinrichtungen stammen. Falls einzelne Auflageelemente ausgetauscht werden können, ist es möglich, in der Arbeitseinheit die entsprechenden neuen Adressen der eingewechselten Auflageelemente zu speichern. Diese Neuspeicherung kann auch automatisch geschehen, in dem beispielsweise ein Lesemodus vorgesehen wird, der neue Auflageelemente bzw. deren Identifikationscodes einliest. Bevorzugt kann die Arbeitseinrichtung auch mit einem Computer verbunden werden.The
Die Arbeitseinheit 50 dient damit auch zum Auswerten der Signale der einzelnen Sensoreinrichtungen, um auf diese Weise die Belastungen an den einzelnen Auflagebereichen zwischen den Auflageelementen und dem Fahrzeug zu bestimmen. Durch die Messung der Gewichtskräfte, die an den einzelnen Auflageelementen wirken, kann mit Hilfe der Auswertung festgestellt werden, ob die Last des Fahrzeugs korrekt verteilt ist, um ein sicheres Heben des Fahrzeugs zu ermöglichen.The working
- 22
- Auflageelementsupport element
- 33
- Kontaktfläche, GummiauflageContact surface, rubber pad
- 44
- Sensoreinrichtungensensor devices
- 55
- RondeRonde
- 66
- Ausnehmungrecess
- 77
- EnergiespeichereinrichtungEnergy storage device
- 88th
- AufnahmetellerShot plate
- 99
- Zyl inderschraubeCylinder head screw
- 1010
- Gewindestückthreaded piece
- 1111
- Sicherungsringcirclip
- 1212
- Hülsenkörpersleeve body
- 1313
- Ausgabeeinrichtungoutput device
- 1414
- Sendeeinrichtungtransmitting device
- 1515
- Hülsenabschnittsleeve section
- 1616
- Umfangskragenperipheral flange
- 16a16a
- Unterseitebottom
- 1919
- ÜberstandGot over
- 2020
- Auflageelementsupport element
- 2222
- Auflageflächebearing surface
- 2323
- Seitenflächenfaces
- 2424
- Grundkörperbody
- 25, 2625, 26
- Öffnungenopenings
- 3030
- Trageelementcarrying member
- 3434
- Endabschnittend
- 3535
- Öffnungopening
- 3636
- Tragearmsupport arm
- 3737
- Anlenkunglinkage
- 3838
- mittlerer Auszugsarmmiddle extension arm
- 4040
- vorderer Auszugsarmfront extension arm
- 4141
- Zyl inderschraubeCylinder head screw
- 4343
- GleitelementSlide
- 4444
- Zyl inderschraubeCylinder head screw
- 5050
- Arbeitseinheitwork unit
- 5151
- Empfangseinrichtungreceiver
- 5353
- Prozessoreinrichtungprocessor means
- 5454
- Anzeigeeinrichtungdisplay
- 5555
- Speichereinrichtungmemory device
- LL
- Längsrichtunglongitudinal direction
- PP
- Pfeilarrow
Claims (9)
- Rest element (2, 20) for lifting platforms, which can be arranged between a support element (30) of the lifting platform and a vehicle to be lifted, wherein the rest element (2, 20) can be removed from the support element (30) and has a sensor device (4) for measuring a weight force acting between the vehicle and the support element (30), wherein the sensor device (4) outputs a signal which is characteristic of this weight force, and a transmitting device (14) which outputs this characteristic signal or a signal derived from this characteristic signal, characterised in that the rest element comprises a holding plate (8) for holding a region of the vehicle and a sleeve body (12).
- Rest element according to claim 1, characterised in that the transmitting device (14) outputs the characteristic signal wirelessly to a receiving device (51).
- Rest element (2) according to claim 1 or 2, characterised in that the sensor device (4) is provided in the sleeve body (12).
- Rest element according to one of the proceeding claims, characterised in that the sleeve body (12) has a sleeve section (15) which holds a region of the holding plate (8), and also a circumferential collar (16) which can be supported against the support element of the lifting platform, wherein the sensor device (4) is arranged in this circumferential collar (16).
- Rest element according to claim 4, characterised in that the rest element (2, 20) has a plurality of sensor devices (4) which are distributed uniformly in the circumferential direction of the circumferential collar (16).
- Rest element according to one of the proceeding claims, characterised in that the holding plate (8) can be moved with respect to the sleeve body (12) in a longitudinal direction (L) of the sleeve section (15).
- Measuring arrangement for lifting platforms, comprising a plurality of rest elements (2, 20) according to at least one of the proceeding claims and a central working unit (50), wherein the working unit (50) has a receiving device for the signals output by the transmitting devices (14) of the rest elements.
- Measuring arrangement according to claim 7, characterised in that the working unit has a processor device (53) which assigns the signals output by the rest elements to bearing points on the vehicle to be lifted.
- Lifting platform comprising at least one rest element (2, 20) according to at least one of the proceeding claims 1 - 6.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06116565T PL1876136T3 (en) | 2006-07-04 | 2006-07-04 | Supporting element |
DK06116565.0T DK1876136T3 (en) | 2006-07-04 | 2006-07-04 | Support platform for a lifting platform |
AT06116565T ATE540895T1 (en) | 2006-07-04 | 2006-07-04 | SUPPORT ELEMENT FOR LIFT |
EP06116565A EP1876136B1 (en) | 2006-07-04 | 2006-07-04 | Supporting element |
US11/770,349 US7705251B2 (en) | 2006-07-04 | 2007-06-28 | Rest element for a lifting platform |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06116565A EP1876136B1 (en) | 2006-07-04 | 2006-07-04 | Supporting element |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1876136A1 EP1876136A1 (en) | 2008-01-09 |
EP1876136B1 true EP1876136B1 (en) | 2012-01-11 |
Family
ID=37428634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06116565A Not-in-force EP1876136B1 (en) | 2006-07-04 | 2006-07-04 | Supporting element |
Country Status (5)
Country | Link |
---|---|
US (1) | US7705251B2 (en) |
EP (1) | EP1876136B1 (en) |
AT (1) | ATE540895T1 (en) |
DK (1) | DK1876136T3 (en) |
PL (1) | PL1876136T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018128429A1 (en) | 2018-11-13 | 2020-05-14 | Otto Nussbaum Gmbh & Co. Kg | VEHICLE LIFT |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007051389B4 (en) * | 2007-10-25 | 2010-08-05 | Herrmann Ag | Support element with weight sensor for lifting platforms and lifting platform |
DE102009046329A1 (en) * | 2009-11-03 | 2011-05-05 | Maha Maschinenbau Haldenwang Gmbh & Co. Kg | Device and method for setting up a lifting unit for lifting vehicles |
DE102009051702B3 (en) * | 2009-11-03 | 2011-04-28 | Roland Hörnstein GmbH & Co. KG | Weight measuring device for vehicle lifts |
DE102012017959A1 (en) | 2012-09-12 | 2014-05-15 | Otto Nussbaum Gmbh & Co. Kg | Vehicle lift |
NL2009949C2 (en) * | 2012-12-10 | 2014-06-11 | Stertil Bv | Lifting column for lifting a load, lifting system provided therewith and method for measuring a load. |
DE102013100354B4 (en) * | 2013-01-14 | 2019-02-07 | Herrmann Ag | Lifting platform and support element for lifting platform with weight measurement |
CN103663261A (en) * | 2013-11-01 | 2014-03-26 | 苏州富士德物流设备有限公司 | Multifunctional lifting platform for logistics |
US10081524B2 (en) * | 2016-09-15 | 2018-09-25 | Gray Manufacturing Company, Inc. | Monitoring system for two-post lift |
DE102017221410B4 (en) * | 2017-11-29 | 2023-07-27 | Bayerische Motoren Werke Aktiengesellschaft | lifting platform for motor vehicles |
EP3770565B1 (en) | 2019-05-23 | 2023-04-19 | Nussbaum Automotive Lifts GmbH | Carrier plate for a vehicle raising platform |
EP3770104A1 (en) * | 2019-05-23 | 2021-01-27 | Otto Nussbaum GmbH & Co. KG | Support element for a vehicle raising platform |
Family Cites Families (10)
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US3960013A (en) * | 1975-03-04 | 1976-06-01 | Ormond Alfred N | Platform load cell |
DE2729064C2 (en) * | 1977-06-28 | 1985-04-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Symmetrical flat load cell |
DE2937582A1 (en) * | 1979-09-18 | 1981-04-02 | Gebr. Hofmann Gmbh & Co Kg Maschinenfabrik, 6100 Darmstadt | Overload protection system for vehicle lifting platform - uses load measuring devices connected to adder and equaliser stages to give alarm |
SE445675B (en) * | 1984-11-23 | 1986-07-07 | Systemteknik Ab | DEVICE BY LOAD CELL |
US5222399A (en) * | 1991-02-01 | 1993-06-29 | Fel-Pro Incorporated | Load washer |
US5313022A (en) * | 1992-11-12 | 1994-05-17 | Kistler-Morse Corporation | Load cell for weighing the contents of storage vessels |
DE9312286U1 (en) * | 1993-06-22 | 1993-10-28 | Slift Hebezeug Gmbh, 75233 Tiefenbronn | Lift with multiple arms |
JP2004284714A (en) * | 2003-03-20 | 2004-10-14 | Banzai Ltd | Abnormality detection device of lift for maintenance and inspection of vehicle |
US7009118B2 (en) * | 2003-05-13 | 2006-03-07 | Dynamic Datum Llc | Vehicle load weighing system and load cells for such systems |
JP3795480B2 (en) * | 2003-08-15 | 2006-07-12 | 新光電業株式会社 | Lifting jack lifting system |
-
2006
- 2006-07-04 EP EP06116565A patent/EP1876136B1/en not_active Not-in-force
- 2006-07-04 AT AT06116565T patent/ATE540895T1/en active
- 2006-07-04 DK DK06116565.0T patent/DK1876136T3/en active
- 2006-07-04 PL PL06116565T patent/PL1876136T3/en unknown
-
2007
- 2007-06-28 US US11/770,349 patent/US7705251B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018128429A1 (en) | 2018-11-13 | 2020-05-14 | Otto Nussbaum Gmbh & Co. Kg | VEHICLE LIFT |
Also Published As
Publication number | Publication date |
---|---|
US7705251B2 (en) | 2010-04-27 |
EP1876136A1 (en) | 2008-01-09 |
PL1876136T3 (en) | 2012-07-31 |
ATE540895T1 (en) | 2012-01-15 |
US20080296071A1 (en) | 2008-12-04 |
DK1876136T3 (en) | 2012-05-07 |
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