EP2064516A1 - Procédé pour le positionnement relatif d'un objet à mesurer et d'un véhicule automobile par rapport à un instrument de mesure, ainsi qu'instrument de mesure et dispositif de mesure du train de roulement - Google Patents

Procédé pour le positionnement relatif d'un objet à mesurer et d'un véhicule automobile par rapport à un instrument de mesure, ainsi qu'instrument de mesure et dispositif de mesure du train de roulement

Info

Publication number
EP2064516A1
EP2064516A1 EP07788533A EP07788533A EP2064516A1 EP 2064516 A1 EP2064516 A1 EP 2064516A1 EP 07788533 A EP07788533 A EP 07788533A EP 07788533 A EP07788533 A EP 07788533A EP 2064516 A1 EP2064516 A1 EP 2064516A1
Authority
EP
European Patent Office
Prior art keywords
measuring
measuring device
motor vehicle
wheel rim
measurement
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.)
Ceased
Application number
EP07788533A
Other languages
German (de)
English (en)
Inventor
Ulrich Bichlmeier
Hermann Bux
Stefan Schommer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beissbarth GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2064516A1 publication Critical patent/EP2064516A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/275—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment
    • G01B11/2755—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment using photoelectric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/10—Wheel alignment
    • G01B2210/14—One or more cameras or other optical devices capable of acquiring a two-dimensional image
    • G01B2210/146—Two or more cameras imaging the same area

Definitions

  • the measurement objects in particular the wheel rims of a motor vehicle, are positioned opposite the measuring devices of a measuring system by the driver of the motor vehicle leaning out of the window when entering the measuring station, continuously monitoring the positioning of the wheel rims relative to the measuring devices and stopping the motor vehicle when he recognizes can ensure that the wheel rims are in the correct position to the measuring instruments.
  • mirrors are provided which make it possible to detect the positioning of the wheel rims in relation to the measuring devices,
  • the measuring device In the erfi ⁇ dungsdorfen method for relative positioning of a measurement object to a meter, the measuring device is first detected by the measuring device itself, and then its position is determined to the meter for this the meter has a suitable kauseinrichtu ⁇ g such as a workshop computer or is connected to such. Thereafter, a feedback signal is generated and output that indicates whether or not the measurement object is in a position suitable for the measurement.
  • the measuring sensors of the measuring device automatically recognize the object to be measured or measured and generate a measurement object Feedback on its position to the operator, by means of which the operator can recognize whether the measurement object is optimally positioned to the measuring device, or whether the relative positioning of the measurement object to the measuring device still has to be corrected.
  • the feedback signal in the event that the measurement object is not in a position suitable for the measurement, continues to indicate in which direction the measurement object is to be moved. This improves and speeds up the positioning process because the user can use this signal to correct the positioning of the measurement object with respect to the meter.
  • the measuring device may be part of a chassis measuring device or a component of a motor vehicle test track.
  • the measuring object may be a wheel rim or a partial area of a wheel rim of a motor vehicle and an element of the measuring station, in particular a turntable for a motor vehicle front wheel,
  • the following advantageous developments of the method according to the invention relate to those embodiments of the invention in which the measurement object is a wheel rim or a partial region of a wheel rim.
  • the method according to the invention can accordingly be referred to as a method for positioning at least one wheel rim of a motor vehicle to form a measuring device.
  • the motor vehicle is moved into a measuring station such that at least one wheel rim of the motor vehicle is located in the measuring range of measuring sensors or at least one measuring head of the measuring device.
  • a measuring head a number of sensors intended for the actual measurement are usually arranged; one measuring device can comprise a plurality of, preferably two, measuring heads.
  • the measuring device is a non-contact measuring device
  • the motor vehicle is moved at the beginning of the method such that a wheel rim or a portion of a wheel rim of the motor vehicle is in the field of view of the measuring sensors or at least one measuring head of the measuring device.
  • a contactless measuring measuring device it is possible to make use of the contactless measuring sensors for the wheel alignment, without the need for additional sensors for the method according to the invention, which makes the method according to the invention cost-effective.
  • the feedback signal advantageously indicates whether or not the two wheel rims are in a position suitable for the measurement.
  • the motor vehicle is finally moved on the basis of the feedback signal in such a way that the wheel rim (s) or a subarea / subarea thereof is / are in an optimal position suitable for the measurement.
  • the following advantageous developments of the method according to the invention relate to those embodiments of the invention in which the measuring device or measuring sensors or a measuring head of the measuring device is moved in order to achieve optimum positioning of the measuring object to the measuring device. Only the position and position of the measuring device, the measuring sensors or the measuring head are changed.
  • the measuring object can be a component of the measuring station, for example a rotary plate or a turntable for a motor vehicle wheel. Likewise, the measurement object may be formed by the motor vehicle wheel or a portion of the motor vehicle rads.
  • the method according to the invention can accordingly be referred to as a method for positioning a measuring device or measuring sensors / a measuring head of a measuring device to a measuring object, in particular to a wheel rim of a motor vehicle or to a turntable.
  • the feedback signal further indicates in which direction the measuring device, the measuring sensors or a measuring head of the measuring device is to be moved.
  • the measuring device, the measuring sensor or the measuring head are mounted longitudinally displaceable. Not only is it automatically recognized that the meter is not yet in an optimal position with respect to the subject of the measurement, but it is immediately stated how the optimal position can be established to simplify and speed up the procedure.
  • this longitudinally displaceable turntable can be set to a desired position within the measuring station at the beginning of the method, and subsequently the measuring device or the measuring sensors or the measuring head of the measuring device with respect to adjusted turntable so that the turntable is in a suitable position for the measurement and that the measuring device, the measuring sensors or the measuring head of the measuring device are in the middle of the turntable or stand.
  • the orientation of the measuring device or the measuring sensors or the measuring head of the measuring device can be done manually by the user or by motor.
  • the invention also relates to a method for the relative positioning of a motor vehicle to a chassis measuring device with at least one front and one rear measuring head or to a motor vehicle test lane with at least one front and one rear measuring head.
  • a method of the type described above is used for at least one front Wheel rim of the motor vehicle carried out so that the front wheel rim is in a suitable for the measurement, optimal position regarding at least one front measuring head.
  • the rear gauge detects a rear wheel rim, and the position of the rear wheel rim relative to the rear gauge head is detected.
  • the measuring device has a suitable data processing unit for this purpose. Subsequently, a feedback signal is generated which indicates whether the rear wheel rim is in a position suitable for the measurement or not.
  • the feedback signal indicates whether the rear wheel rim is already in a position suitable for the measurement or whether the rear measuring head has to be moved. According to an advantageous development, in the event that the rear wheel rim is not in an optimum position suitable for the measurement, the feedback signal continues to indicate in which direction the rear measuring head is to be moved. As a result, the user-friendliness of the method can be further increased, since the rear measuring head can also be optimally aligned with respect to the rear wheel rim by means of the feedback signal. This makes it possible to achieve a quick and accurate positioning of a motor vehicle to a chassis measuring device.
  • the rear measuring head is manually or motor-moved on the basis of the feedback signal in such a way that the rear wheel rim is in an optimum position suitable for the measurement with respect to at least one rear measuring head.
  • the wheel alignment measuring device is designed to measure without contact, it is possible to fall back on any existing sensor system without the need for additional sensors. Initially, the motor vehicle is moved so that at least one front wheel rim of the motor vehicle is located in the field of view of a front measuring head of the measuring device.
  • the remindmefdungssignal may be an optical signal, for example, is output on one or more displays at least one meter, on a separate screen or by means of a traffic light.
  • the feedback signal can also be an acoustic signal, for example a buzzer or a voice signal.
  • the feedback signal may also be a mechanical signal, for example a vibration signal.
  • the method can be carried out in a particularly user-friendly manner if the feedback signal is visualized as an optical arrow signal or as a signal in the form of a similarly meaningful object and output on a screen or a display device.
  • This signal is further processed for visualization by software and processed accordingly ergonomically.
  • Particularly advantageous is an arrow control, in which the user on the length, width, shape, color, etc. of the arrows are given additional information, for example.
  • a short arrow can indicate a position very close to the optimal position, while a long arrow one of the optimal position still far away position indicates.
  • a turntable of the measuring station In order to make it possible to arrange a turntable of the measuring station individually for the measurement of a motor vehicle, for example, to take account of the wheelbase of the motor vehicle, and to optimally position a front measuring head of the measuring device with respect to the turntable arranged in this way, at the beginning of the method according to the invention for relative positioning of a motor vehicle to a chassis measuring device having at least one front and one rear measuring head, first a method for relative positioning of a measuring device with respect. A rotary plate of the type described above are performed. The turntable is detected, its position determined and the meter aligned with the turntable.
  • the measuring station is then monitored by the measuring device or the measuring heads of the measuring device, whether or not a motor vehicle is located on the measuring station.
  • the positioning method is then automatically started when a motor vehicle is moved into the measuring station.
  • a further advantageous embodiment of the erfindu ⁇ gsdorfen method relates to the case that the motor vehicle to be measured has more than two axes, such as a truck. At least one measuring head is displaced in such a way for the third and for each further axis that the wheel rim of the third or further vehicle axle is in its measuring range and for this further wheel rim the steps of recognizing the wheel rim, determining the position of the wheel rim and of generating the feedback signal.
  • the rear measuring head can be moved and the front measuring head can remain stationary.
  • the front and the rear measuring heads can each be successively moved back around a vehicle axle.
  • the further method steps provided in the corresponding subclaims can also be carried out for each additional wheel rim to be measured. This ensures that even three- and multi-axle vehicles can be measured easily and accurately with the present erfi ⁇ dungswashen method.
  • the invention furthermore relates to a measuring device for determining the spatial position of a wheel rim relative to the measuring device, which has at least one measuring head with a camera, the wheel rim lying in the field of view of the camera and an output unit being provided for an optical, acoustic or mechanical feedback signal, indicating whether or not the wheel rim is in a position suitable for the survey.
  • a measuring device can, without the need for additional sensors, output a feedback signal, which makes it easier for the user to align the wheel rim with respect to the measuring head.
  • the measuring device or the measuring head is displaceable along a longitudinal axis of the vehicle, so that the measuring device or the measuring head can be positioned individually with respect to a wheel rim.
  • the invention further relates to a chassis measuring device for motor vehicles and a motor vehicle test track, which comprises at least one measuring device which is positioned such that a measuring device is assigned in each case to one of the wheels of the motor vehicle, wherein the relative positions of the measuring devices during the performance of the measurement are determined , Furthermore, a computer or a data processing unit is provided, which converts the measurement results of the measurement at the wheels of the motor vehicle, taking into account the relative position of the measuring instruments in Rad tooshong and projectmeldungssig ⁇ ale on the relative positions of the measuring devices to the wheels of the motor vehicle. Furthermore, at least one optical, acoustic or mechanical output unit is provided for a feedback signal which outputs or displays the wheel position values and / or the feedback signals.
  • a chassis measuring device the measuring devices can be positioned quickly and precisely with respect to the wheels of the motor vehicle with the aid of the feedback signals.
  • the measuring device and the wheel alignment measuring device can advantageously be further developed, as can be seen from the features mentioned above with regard to the method claims. These are not explicitly listed again to avoid repetition.
  • the measuring device, chassis measuring device for motor vehicles and the test track for motor vehicles are advantageously designed so that a method according to the invention of the type described above can be carried out by them.
  • Figure 1 shows a schematic, perspective view of a measuring station with a motor vehicle standing thereon
  • FIG. 2 shows a plan view of the measuring station of Figure 1 without a motor vehicle
  • Figure 3 shows a plan view of the measuring station of Figure 1 with a on the Aufstandsfikiee or on the rotating and sliding plates and stationary motor vehicle
  • FIG. 4 shows a flowchart of a method according to the invention for the relative positioning of a measuring object to a measuring device
  • FIG. 5 shows a flow diagram of a method according to the invention for the relative positioning of the motor vehicle relative to the wheel alignment measuring device
  • FIG. 6 shows a flow diagram of a method according to the invention, in which the
  • Wheel rims of n axles are positioned and measured with respect to the measuring devices of the wheel alignment measuring device.
  • FIG. 1 shows a schematic, perspective view of a measuring station 20 with a motor vehicle 10 standing on the measuring station 20.
  • the motor vehicle 10 is arranged on the measuring station 20 for measuring its chassis.
  • the motor vehicle 10 has a front left wheel rim 12, a rear left wheel rim 14, which are clearly visible in the perspective view of Figure 1, as well as a front right wheel rim 16 and a rear right wheel rim 18, in the figure are covered by the body of the motor vehicle 10 according to FIG.
  • On the measuring station 20 four measuring devices 32, 34, 36 and 38 are longitudinally displaceable with respect. The longitudinal axis of the motor vehicle 10 is arranged. Of these measuring devices 32, 34, 36 and 38, the front left measuring device 32, the rear left measuring device 34 and the front right measuring device 36 can be seen in FIG. 1, while the rear right measuring device 38 is covered by the motor vehicle 10.
  • the measuring devices 32, 34, 36 and 38 have sliding along the longitudinal axis of the motor vehicle 10 base plates 62, 64, 66 and 68.
  • On these base plates 62, 64, 66 and 68 are each two measuring cameras 42, 43; 44, 45; 46, 47 and 48, 49 which are directed at different angles to the respective opposite wheel rim 12, 14, 16 and 18.
  • the measuring station 20 has two elongated contact surfaces 22, 24 with rotating and sliding plates. These elongated contact surfaces 22, 24 are designed as lifting rails for lifts and pits as Auffahr Kunststoffe.
  • a turntable 26 shown in Figure 1
  • 28 hidden in Figure 1 of the motor vehicle 10) arranged to allow measurements in which the front wheel rims 12 and 16 must be taken,
  • turntables 26 and 28 are also longitudinally displaceable along the longitudinal axis of the motor vehicle 10 and along the contact surfaces 22, 24 so as to be able to adjust the measuring station 20 to motor vehicles 10 with different wheelbases.
  • each reference system measuring head 52, 54, 56 and 58 has two transmitting / receiving units, not shown in detail in FIG. 1, which are aligned with the reference system measuring head 52, 54, 56 and 58 lying opposite in the longitudinal and transverse directions of the motor vehicle 10 are.
  • a roughly adjusted set-up of the measuring devices 32, 34, 36 and 38 is sufficient for an accurate determination of the relative positions and the distances of the measuring devices 32, 34, 36 and 38 from one another. These can be continuously measured and also readjusted.
  • the function of such a measuring station 20 is known to the person skilled in the art, for example, from DE 102004013441 A1.
  • the reference system probes 52, 54, 56, and 58 are located near the corners of the measurement pad 20 in FIG.
  • the measuring devices 32, 34, 36 and 38 are connected to a date processing unit (not shown in FIG. 1), in particular a workshop computer, which controls a display device 72.
  • Display device 72 in Figure 1 is illustratively shown and includes a "forward" light indicator 74, a "stop” light indicator 76 and a “backward” light indicator 78.
  • the "forward" 74 and “backward” 78 indicators indicate to the operator
  • the motor vehicle 10 or the respective measuring device 32, 34, 36 and 38 is already optimally positioned.
  • the display device 72 is shown in the figures 1 to 3 only by way of example in the form of a traffic light. Likewise, other visualizations, for example, by an arrow control on a screen, or acoustic or mechanical feedback signals possible.
  • the display device 72 is preferably arranged outside the motor vehicle 10 in the field of vision of the driver.
  • the display device 72 may also be a mobile unit that can be carried by the driver in the motor vehicle 10
  • FIG. 2 shows a top view of the measuring station 20 without a motor vehicle 10 arranged therein.
  • FIGS. 2 and 3 Identical elements are indicated in FIGS. 2 and 3 by the same reference numerals as in FIG. These are not explained again to avoid repetition.
  • the Aufsta ⁇ ds vom 22 and 24 as well as arranged in a front portion of the footprints 22 and 24 turntables 26 and 28 for the front wheels of a motor vehicle are clearly visible, Furthermore, the measuring devices 32, 34, 36 and 38, as in Figure 3 of DE 10 2005 022 565.9 described, constructed and their base plates 62, 64, 66 and 68 are also designed to be displaceable. As can be clearly seen in Figure 2, the reference system measuring heads 52, 54, 56 and 58 are aligned towards the center and the visual contact between the transversely With respect to the motor vehicle 10, reference system measuring heads 52 and 56 and 54 and 58 which are opposite to one another take place between the axles of the motor vehicle 10, as shown in FIG.
  • FIG. 3 shows a plan view of the measuring station 20 with a motor vehicle 10 standing on the contact surfaces 22 and 24.
  • the front wheels 12 and 16 of the motor vehicle 10 are on the turntables 26 and 28th
  • FIG. 4 shows a flow chart of a method according to the invention for the relative positioning of a measuring object to a measuring device.
  • This method can advantageously be carried out on a measuring station 20, as shown in FIGS. 1 to 3.
  • a measuring station 20 as shown in FIGS. 1 to 3.
  • only two transversely opposed to the vehicle direction measuring devices 32 and 36 or 34 and 38 may be provided.
  • the provision of a single measuring device is sufficient.
  • the measuring devices 32, 34, 36 and 38 shown in FIGS. 1 to 3 operate without contact.
  • the method shown in Figure 4 can of course be carried out with contact-bound measuring instruments.
  • the operator activates the "positioning" mode ⁇ method step S11) .
  • This switch-on is carried out either directly on the measuring device or, if several measuring devices are provided, on the respective measuring devices Alternatively, the switching on can also take place on a data processing unit (not shown in the figures), in particular on a workshop computer, which is connected to the measuring apparatus or apparatus connected to the measuring devices.
  • step S12 the measuring station 20 is monitored by the measuring devices 32 and 36.
  • the turntables 26 and 28 are adjusted either manually by a user or motor to a desired longitudinal position on the footprints 22 and 24, so that a motor vehicle 10 with an individual wheelbase on the measuring station 20 can be measured.
  • the two turntables 26 and 28 are moved forward, so that they are no longer in the center of the measuring devices 32 and 36.
  • the displacement of the turntable 26 and 28 takes place in practice by inserting or by removing fillers in front of and behind the turntables 26 and 28th
  • step S13 the measuring devices 32 and 36 or the data processing unit connected to the measuring devices 32 and 36 detect the measuring objects, namely the front-shifted turntables 26 and 28, and determine their position with respect to the measuring devices 32 and 36. Illuminated on the display device 72 the display "forward" 74, which indicates to the user that the measuring devices 32 and 36 are to be displaced forward, whereupon the user shifts the measuring devices 32 and 36 with their displaceable base plates 62 and 66 so far forward (method step S14), until the indication "forward” 74 goes out and instead the indication "stop” 76 lights up on the display 72 (step S15).
  • the displacement of the measuring devices 32 and 36 in method step S14 can be done manually. Likewise, the measuring devices 32 and 36 can be automatically moved in the middle of the turntables 26 and 28.
  • the position of the turntables 26 and 28 is automatically monitored, and the orientation of the measuring devices 32 and 36 to these turntables 26 and 28 is visualized via the display device 72.
  • method step S15 After the optimum position has been reached (method step S15), according to method step S16, the system automatically switches to the next operating mode.
  • the method shown in Figure 4 can thus be used as a module in any work or surveying steps in a chassis measurement and used.
  • the front wheel rims 12 and 16 of the motor vehicle 10 represent the measurement objects, and the front wheel rims 12 and 16 are optimally positioned relative to the measuring devices 32 and 36.
  • empty measuring station 20 shown in FIG. 2 is monitored by measuring devices 32 and 36 in method step S12.
  • a motor vehicle 10 as shown in Figure 3, ascended to the measuring station 20 and the measuring devices 32 and 36 detect the wheel rims 12 and 16 as soon as they come into their field of view, and they determine their position with respect to the measuring devices 32 and 36 (FIGS. Step S13).
  • the motor vehicle can also be retracted or positioned automatically in the measuring station by a motor.
  • step S16 switching is made to the next operating mode, and this method can likewise be used and used as a module in any working or surveying steps.
  • this method can, as just described, the wheel rims 12 and 16 of the front axle of the motor vehicle to the measuring devices 32 and 36 are aligned, and then can go through a number of other process steps and after this example.
  • the next axis of the motor vehicle 10 to the measuring devices 32, 34, 36 and 38 are aligned.
  • FIG. 5 shows a flow diagram of a method according to the invention for the relative positioning of the motor vehicle 10 to the wheel alignment measuring device with the measuring devices 32, 34, 36 and 38.
  • the operating mode "positioning" is switched on either at the measuring devices 32, 34, 36 and 38 or at a data processing unit connected thereto, in particular the workshop computer.
  • the method steps S22, S23, S24 and S25 correspond to the method steps S12, S13, S14 and S15 of FIG. 4 for the positioning of the wheel rims 12 and 16 of the front axle of the motor vehicle 10 with respect to the front measuring devices 32 and 36 (second variant described above).
  • the wheel rims 12 and 16 and thus the entire motor vehicle 10 are optimally aligned with respect to the front measuring devices 32 and 36. Due to the different wheelbases of motor vehicles, it regularly happens that the rear measuring devices 34 and 38 are not aligned optimally or even not at all with respect to the wheel rims 14 and 18 of the rear axle of the motor vehicle 10.
  • the program automatically switches to the "positioning of the rear axle sensors.” Alternatively, this switching can also be done manually by the user via a remote control or a keyboard.
  • the rear measuring devices 34 and 38 detect the rear wheel rims 14 and 18, and their position with respect to the measuring devices 34 and 38 is determined, either by the measuring devices 34 and 38 themselves or by a verarbeitu ⁇ gshim connected thereto.
  • the display device 72 now visualizes the user in which direction the rear measuring devices 34 and 38 must be displaced.
  • the "forward” indicator 74 lights up the rear gauges 34 and 38 must be moved forward until the "stop” indicator lights up.
  • the displacement of the rear measuring devices 34 and 38 in the correct position can be done either manually by the user or automatically by motor.
  • step S27 all the measuring devices 32 to 38 are optimally aligned with the wheel rims 12 to 18, and the system advances to the next operating mode according to method step S28, in particular the "measuring mode" now follows, in which the actual wheel alignment measurement is carried out,
  • first the displaceable turntables 26 and 28 are adjusted to the desired position to set the measuring station 20 for a desired wheelbase of the motor vehicle 10 to be measured, and the front measuring devices 32 and 36 are, as described in the first variant of Figure 4, aligned for the preparation of the measuring station 20 with respect to the newly adjusted turntables 26 and 28.
  • the method described with reference to FIG. 5 is carried out, in which first the motor vehicle 10 is moved into the measuring station 20, and its front wheel rims 12 and 16 are optimally positioned with respect to the front measuring devices 32 and 36, and subsequently the rear measuring devices 34 and 38 are aligned with the rear wheel rims 14 and 18.
  • an optimal positioning of the measuring devices 32 to 38 with respect to the wheel rims 12 to 18 can be achieved in a simple manner.
  • the existing measuring devices 32 to 38 can be used for this without additional sensor technology being required, which is particularly cost-saving.
  • FIG. 6 shows a flow diagram of a method according to the invention in which the wheel rims of n axes are successively positioned and measured with respect to the measuring devices 32, 34, 36 and 38.
  • the front wheel rims 12 and 16 are aligned with respect to the front measuring devices 32 and 36, as described in the second alternative of FIG. 4 by the method steps S12 to S15 and in FIG. 5 by the method steps S22 to S25.
  • the surveying operation for the front wheel rims 12 and 16 (step S42) is performed.
  • This process step can alternatively be carried out at suitable locations. This depends on the process. For example, this method step can also be carried out immediately before or together with the method step S44.
  • the rear measuring devices 34 and 38 are now aligned in accordance with method steps S26 and S27 in FIG. 5 with respect to the wheel rims 14 and 18 of the second axis.
  • the method steps S43 and S44 are repeated for the third and each further axis of the motor vehicle 10.
  • the orientation of the front gauges 32 and 36 to the front wheel rims 12 and 16 can be maintained, and only the rear gauges 34 and 38 need to be displaced so that they are optimally positioned opposite the wheel rims of the third and each further axle of the motor vehicle 10 are aligned.
  • three- or multi-axis vehicles can be positioned and measured with the existing wheel alignment device without additional sensor technology needs to be provided.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

Dans le procédé selon l'invention pour le positionnement relatif d'un objet à mesurer par rapport à un instrument de mesure, l'objet à mesurer est d'abord identifié par l'instrument de mesure, et la position de l'objet à mesurer est déterminée par rapport à l'instrument de mesure. Ensuite, un signal de réponse est engendré, qui précise si l'objet à mesurer se trouve ou non dans une position appropriée pour la mesure.
EP07788533A 2006-09-06 2007-08-24 Procédé pour le positionnement relatif d'un objet à mesurer et d'un véhicule automobile par rapport à un instrument de mesure, ainsi qu'instrument de mesure et dispositif de mesure du train de roulement Ceased EP2064516A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006041821A DE102006041821A1 (de) 2006-09-06 2006-09-06 Verfahren zur relativen Positionierung eines Messgegenstands und eines Kraftfahrzeugs zu einem Messgerät sowie Messgerät und Fahrwerksvermessungseinrichtung
PCT/EP2007/058798 WO2008028825A1 (fr) 2006-09-06 2007-08-24 Procédé pour le positionnement relatif d'un objet à mesurer et d'un véhicule automobile par rapport à un instrument de mesure, ainsi qu'instrument de mesure et dispositif de mesure du train de roulement

Publications (1)

Publication Number Publication Date
EP2064516A1 true EP2064516A1 (fr) 2009-06-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07788533A Ceased EP2064516A1 (fr) 2006-09-06 2007-08-24 Procédé pour le positionnement relatif d'un objet à mesurer et d'un véhicule automobile par rapport à un instrument de mesure, ainsi qu'instrument de mesure et dispositif de mesure du train de roulement

Country Status (5)

Country Link
US (1) US8096057B2 (fr)
EP (1) EP2064516A1 (fr)
CN (1) CN101512290B (fr)
DE (1) DE102006041821A1 (fr)
WO (1) WO2008028825A1 (fr)

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DE102006041822A1 (de) * 2006-09-06 2008-03-27 Beissbarth Gmbh Verfahren zur Fahrwerksmessung eines Kraftfahrzeugs, Fahrwerksvermessungseinrichtung sowie Kraftfahrzeugprüfstrasse
DE102008000833A1 (de) * 2008-03-26 2009-10-01 Robert Bosch Gmbh Messkopf für ein Fahrwerksvermessungssystem, Fahrwerksvermessungssystem sowie Verfahren zum Bestimmen der Lageparameter von Messköpfen eines Fahrwerksvermessungssystems
DE102008054975A1 (de) * 2008-12-19 2010-07-01 Robert Bosch Gmbh Verfahren zur Fahrwerksvermessung sowie Vorrichtung zum Vermessen der Fahrwerksgeometrie eines Fahrzeugs
DE102009012048A1 (de) * 2009-02-06 2010-08-12 Hans Balzer Vermessungseinrichtung
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US8096057B2 (en) 2012-01-17
CN101512290B (zh) 2013-04-10
DE102006041821A1 (de) 2008-03-27

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