FI110544B - Measuring equipment and method for car body adjustment in car body measurement - Google Patents

Description

110544

Measuring Equipment Method of Car Body Alignment in Car Body Measurement 5 Mätanläggning och förfarande vid riktning av et bilkarosseri vid mätning av bilkarosseriet 5

The invention relates to a measuring apparatus and a method for adjusting a car body in the measurement of a car body.

The device solution according to the invention comprises a car body straightening device having a rectifying table to which the vehicle is fastened by means of brackets. The structure preferably comprises a lifting device by means of which the rectifying table can be raised to the desired rectifying height. Tools, such as draw hooks, that are coupled to the vehicle, can be connected to the rectifier table, preferably via a rectifier bar or the like. The device solution according to the invention comprises a measuring device which can be fitted around the vehicle to be rectified. The measuring apparatus comprises longitudinal guides on which the gauge and its associated measuring units are movable.

20 Perpendicular to the center line Xf of the longitudinal conductors, there is a transverse conductor or transverse conductors which can be moved along the longitudinal conductor from:. steering to measure structures below the vehicle. They act as: •: · also structural components connecting the longitudinal conductors.

. ''. During the measurement, the vehicle is placed on top of the rectifying table and secured thereto by brackets, preferably bead brackets or the like. Place the measuring apparatus on top of the rectifying table and so that the longitudinal guides of the measuring apparatus are aligned with those of the measuring table which are perpendicular to the longitudinal axis (X axis) of the rectifying table. on the ends of the transverse beam.

30

The transverse guides or beams connecting the longitudinal guides act as guides to the associated measuring units below. The gauge arc, which may be more than one, comprises a measuring unit which can be moved in different positions of the vertical bars of the gauge bar. The probe of the measuring unit is movable to extend to the vehicle to be corrected in the center of the scale. The measuring unit for the measuring device comprises 2 110544 elongated arms which can be moved to a desired measuring station and the reading can be read electronically from the display of the central unit 100 preferably on a PC.

In one embodiment of the invention, the apparatus comprises a measurement unit for measuring the car body to be cooked / profile, from which coordinate data is transmitted to a central unit, to which the comparative data of an undamaged corresponding profile point is provided, for example from a CD. Other memory units, such as a computer memory disk or the like, may also be used to store profile information of the car body 10 for comparison. Accordingly, intact vehicle profile information can be stored on a CD, and they can always be used regardless of the vehicle on both sides would be damaged and the reference data can not be taken intact to compare the vehicle-side service conducting the measurement unit.

In one embodiment of the invention, central unit 100 receives probe position information from two different measuring units 17ai, 17a2 and their different probes 65. One unit reads the undamaged profile of the side of the vehicle and the other unit reads the profile of the body surface to be repaired. signals obtained from the measuring units controlled by the central unit indicating the damaged side of the vehicle: "20 ** · the coordinates of the deviations of the intact on behalf of the vehicle. Thus ··. the CPU 100 performs difference calculations in different coordinate and communicate • · · T: side of the vehicle to be repaired koordinaattipoikkeamat a desired vehicle ..... measured on one side of the true value. Therefore, a comparison can be made. . guide vehicle repair work.

A: 25

The system of the invention is made possible by the use of a scale, in which each vertical line of the scale is provided with a measuring unit 17ai, 17a2 for performing the aforementioned profile measurement and verification. Since the measuring units 17ai, 17a2 are connected to the same scale, they move simultaneously and achieve the same longitudinal position of the vehicle. Side of the corrected measurement unit is placed at the same height as the reference side of the measuring unit. During profile measurement »·.!. *, The gauge is moved, for example, by moving the gauge in longitudinal lines in the direction of the longitudinal axis of the vehicle. At intervals or continuously reads,. and the profile deviation of the reference data side, or the side that is not in the vehicle 35 and the repaired damaged side. Thus, the system 3 110544 of the invention can accurately repair, for example, the profile of a damaged door to correspond to the correct door profile.

The measuring apparatus and method according to the invention are characterized by what is stated in the claims.

The invention will now be described with reference to some preferred embodiments of the invention shown in the figures of the accompanying drawings, but which are not intended to be limited thereto.

10

Figure 1A is a side view of the straightening device of vehicle A.

Figure IB is a top view of the straightening device of Figure IA.

Fig. 2A shows a measuring device consisting of a measuring frame mounted on a rectifying table. The centering of the measuring device according to the center line of the vehicle and the support arms according to the invention are arranged between the measuring frame and the vehicle.

Fig. 2B shows a top view of the apparatus according to the invention, with four support arms adapted to engage the vehicle to be corrected.

'', Fig. 2C is a sectional view I-I in Fig. 2B.

»·; ; 25 Figure 2D shows the device solution of Figure 2C, the direction of the arrow k.

Fig. 3A illustrates a measuring system according to the invention and at various profile measuring stations.

: _ '. Figure 3B illustrates a measuring system according to the invention.

»

Figure 3C is an embodiment of the invention, wherein the side of the corrected coordinate information of the measuring unit are compared with the corresponding memory disks or data derived from j.

35 », 110544 4

As shown in Fig. 1A, the vehicle straightening device comprises an adjusting table 10 shown in the figure, which can be raised and lowered by means of a scissor crane 13 with respect to the base frame 12. The rectifier comprises the crossbars 1i, 11b2, 11b3 and 11b4 on its rectifying table 10 to which the clamps 11a1a, 11a2 ... are fitted, whereby the vehicle to be corrected by means of the clamps can be attached to the rectifying table.

Figure IB is a top plan view of the device solution of Figure IA. The alignment table 10 comprises longitudinal beams and associated cross beams IIb, 11b2, 11b3 and 11b4. The cross beams are provided with fasteners llai, 11a2, 11a3 and 11a *, of which the vehicle 10 can be secured to the rectifying table 10 for the time of vehicle rectification. In the figure, the alignment can be performed by means of a traction sheave or similar tools, whereby, for example, the traction force can be applied by means of a traction sheave through a rectification boom connected to the rectification table.

Fig. 2A shows a measuring device 15 mounted on a rectifying table 10. The measuring device 15 comprises longitudinal guides 15ai, 15a2, preferably beam structures, which are arranged horizontally along the longitudinal axis X of vehicle A. Transverse conductors 16ai, 16a2 ..., perpendicular to the center lines Xj of the longitudinal conductors, preferably also beams into which the measurement units 17at, 17a2 ... can be placed.

20 »

Along the longitudinal guides 15a * and 15a2, it is possible to place a scale 15b (one or more) comprising vertical beams 15bi, 15b2, preferably vertical guides in which the *** measuring unit 17ai, 17a2 is arranged to be movable vertically.

The measuring unit 17a *, 17a2 of the measuring device 15 further comprises a measuring arm 40 associated therewith and movable relative thereto 25, and a measuring head 65. The dimension v 15b comprises a connecting beam 15b3 connecting the vertical guides or vertical guides 15bi and 15b2. When the measuring apparatus 15 is centered along the center line (O-line) of the vehicle A, the vehicle can be measured at desired locations with the measuring units 17ai, 17a2; * ·, · 30 and the movable measuring units 17 with the transverse guides 17a, 17a2; *.

7

As shown in Figure 2A, the fastening device '' 20, preferably the support arm, of the measuring apparatus 15 is arranged between the vehicle A to be adjusted and the measuring apparatus 15 · 35. Preferably, there are fastening devices 20, preferably suspension arms, on each side of the vehicle A. Preferably, the measuring device is supported on vehicle A by the aforementioned support arms 20 such that two transverse arms 20 are supported on each transverse beam or track 16a, 16a2. 16ai, 16a2 ... one Support arm 5 20. Advantageously, the support is provided by tensioning the support arm between the transverse beam 16ai, 16a2 ... of the measuring device 15 and the adjustable vehicle A, which is secured to the alignment table 10 by the attachments 11a, 11a2 ....

Figure 2B shows a top view of the apparatus according to the invention. The transverse guides 10 16ai, 16a2, including movable measuring units 17a3, 17a4 (in Fig. 2A), are disposed between the longitudinal conductors 15ai and 15a2. The transverse guides 16at and 16a2 are guided in the longitudinal guides 15ai, 15a2. The gauge arc 15b is also guided in the longitudinal guides 15ai and 15a2. The transverse guides 16ai, 16a2 also control the measuring units 17a3, 17a4. As shown in the figure, the four fastening devices 20 are arranged 15 to support the measuring device 15 with its measuring frame on the vehicle A. Preferably, between the measuring device 15 and the vehicle is a fastening device comprising a support arm that is tensioned between the vehicle A and the measuring device 15.

Fig. 2C is a cross-sectional view I-I of Fig. 2B at the longitudinal and 20 transverse guides. As shown in Figure 2C, the transverse conductor 16ai comprises ·· a bearing 16b which always maintains the transverse conductor 16ai in a perpendicular direction. with longitudinal axis y relative to longitudinal axes Xi of longitudinal conductors 15ai, 15a2.

.... As shown in Figure 2C, the position information of the scale 15b is read using the sensor 30 shown in Figure .. which comprises a stepper motor 31 and associated! ! 25 a gear 32 engaging along a longitudinal guide against an i * 4 gear 33 disposed thereon. When the measuring arc 15b is initially positioned and calibrated at a particular position, the stepper motor 31 notifies the offset traveled from the calibration point via the converter to the PC and further to the display. The gauge arc 15b is supported by a wheel U1 in a guide groove U2 in the guide 15ai. Similarly, the measuring unit 17ai, 17a2 30 comprises sensor devices which indicate the output position of the measuring arm 40 and: the vertical position 15bi, 15b2 of the measuring unit 17ai.

I * t

Figure 2D shows the apparatus of Figure 2C, the arrow D direction, namely from above.

,, Transverse guide 16a); 16a2 ... comprises its transverse j 'to the bridge beam 16c. 35 end portions 16d comprising a plurality of bearings 16b, which are 110544 o disposed in said plate portion 16d and pass therethrough in a longitudinal guide groove U3 of the longitudinal guide 15ai.

Fig. 3A illustrates a measuring system according to the invention at 5 different profile measuring stations. The station Ia and Ib, 2a and 2b, 3a and 3b ... are connected, la side is measured by the non-damaged vehicle sheet metal surface profile data and Ib, the side is read, to the damaged side information and the meter edot transferred to the central unit 100, which indicates for example the display of the PC device to be repaired koordinaattipoikkeamat side of the probe. Thus, as shown in Figure 10 measurement points 17ai read the profile information of non-damaged vehicle side, and the measurement unit 17a2 probe head 65 includes the profile information kokattavalta side, and the CPU 100 notifies the respective corrected at the measurement point side koordinaattipoikkeamat.

The measurement can be made, for example, by inserting the measuring arc in its longitudinal and horizontal guides so that the measuring head 65 of the measuring unit 17ai, which may include at its end a roller 650, follows the damper surface of the vehicle and the measuring surface 65 of the measuring unit 17a2. In this case, the offset information in the respective horizontal and vertical positions; '· * 20 is given in the Y coordinate.

mi: However, the invention is not intended to be limited to the above reading. The reference measurement unit 17ai may be inserted, for example, into a vehicle door. . following profile shapes from top to bottom on the side of the vehicle and the like; ; 25 of the damaged side of the measurement unit 17a2 of the measuring head is read at the respective spots and the CPU 100 notifies koordinaattipoikkeamat corrected between one half and the non-damaged vehicle side.

Figure 3B further illustrates a measuring system according to the invention. : *, 30 The measuring unit 17ai, 17a2 can be raised and lowered in the vertical lines 15bi, 15b2 and the measuring arm 40 associated with the measuring unit 17ai, 17a2 can be introduced in the Y direction perpendicular to the Z directions of the vertical lines. Similarly, the scale 15b and its

· *. vertical rail 15bi, 15b2 is movable in horizontal rail 15ai, 15a2 of vehicle A

in the longitudinal axis (X axis). Similarly, the corrected vehicle-side 35 of the measuring unit 17a2 makes it available on the side to be corrected coordinates.

1 »I t 7 110544

The signals are derived from the measuring units 17ai, 17a2 signal lines, e 2 along the central processing unit 100 e.g. a personal computer, which indicates, for example, a printer or kokattavan the PC's display screen koordinaattipoik-side deviations of the vehicle-plate surface profile of the different reading points.

5

According to the invention, the measuring unit 17ai, 17a2 is similarly controlled by the guides as shown in the embodiment of Fig. 2C. Similarly, the vertical guides 15bi, 15b2 comprise a similar signal processing apparatus in which the toothed belt or the like is connected to the vertical guide 15bi, 15b2 and the stepper motor in the measuring unit 1017ai, 17a2 is guided along its gear by a stepper motor. Correspondingly, the measuring arm 40 can be positioned relative to the measuring unit 17ai so that the toothing therein moves the stepper motor shaft in the measuring unit 17ai through a gear wheel on the stepper motor shaft or the like, e.g.

Fig. 3B shows a roller 650 mounted on the probe 65 associated with the end of the measuring arm 40, which is adapted to follow the surface profile to be measured. The roller 650 is adapted to be mounted and rotated.

Fig. 3C shows an embodiment of the invention in which the central unit 100 comprises * · I *; , · In connection with a memory unit 200 which stores the measurement data (coordinates at different i * points of the profile) obtained from the measuring unit 17ai, whereby the profile of the vehicle surface,. the encoded points may be recorded on a CD 300 or on a computer or I »1 CPU, magnetic tape or the like. Profile information, or · · coordinate information, for example, at a particular body surface / line for each vehicle type, can be stored, for example, in a computer memory where it can be retrieved. Thus, from the undamaged car, different profiles of the car body surface, i.e. surface l '·, can be stored on a memory stick or the like. 30 coordinates from the various read points that are still used for coordinate data from the second unit 17a2 when performing the comparison correction; 'Between the side profile and the desired profile for the right. The advantage of the solution is that * '*', if both sides of the car are severely damaged, the repair can still be made reliably by comparison, utilizing the data stored in the memory unit 200.

Claims (11)

1. A measuring system for directional work on a car body, said measuring system comprising a measuring unit (17a2) comprising a displaceable measuring arm (40), the measuring head (65) of which can be moved to a location to be corrected on the vehicle for reading the vehicle body coordinate data; characterized in that the measuring system can be placed in conjunction with a directional table (10), in which the brackets (IIIa, IIa2, IIIa, IIIa4) of the vehicle are mounted for the time of the directional work, and that the measuring system (15) comprises measuring units (17ai, 17a2), which can be displaced along a vertical guide (15bi, 15b2), and the vertical guide (15bi, 15b2) can be further displaced along a longitudinal guide (15ai, 15a2), and a displaceable measuring arm can be placed in the measuring unit (17ai, 17a2). (40) and with one of the measuring units (17ai), profile data on the car body on a non-damaged side of the vehicle is measured and measured at the corresponding moment with the reference measuring unit (17a2) on the other vertical the data on the same measuring path 15 profile data about the side of the vehicle to be corrected, and that the data from the measuring unit (17ai) and the reference measuring unit (17ai) are transferred to the central unit (100), whereby the deviation between the side to be corrected and the reference side is announced, for example by means of a PC in the central unit (100). 20 Measuring plant according to claim 1, characterized in that the measuring unit (17ai,, 17a2) can be displaced along the vertical guide (15bi, 15b2) on the measuring ridge (15b) and that the measuring unit (17ai, 17a2) can be displaced along its vertical guide (15bi, 15b2) tili *: different heights and that the measuring bends (15b) can be offset by their vertical guides: Y (15bi, 15b2) along the horizontal guide (15ai, 15a2) in the direction of the longitudinal axis (X-; The axle) of the vehicle and to the measuring unit is connected a measuring arm (40), whose measuring head (65) can be brought into contact with a surface to be measured on the vehicle and the measuring arm (40) can be displaced perpendicularly (in Y direction) relative to the vertical guide (15bi, 15b2). I ·; ([30 3. Measuring plant according to any of the preceding claims, characterized in that · profile measurement of the vehicle surface is carried out with the measuring units (17ai, 17a2) at several different measuring points. Measurement system according to any of the preceding claims, characterized in that: To the measuring arm (40) of the measuring unit (17ai, 17a2) is connected a such measuring head (65) which at its end has a roller (650) or equivalent, which can be slid along the surface profile of the vehicle. Method for directional work on a car body when measuring the car body, characterized in that in the process coordinate data on the profile on one side of the car to be corrected is controlled from a measuring unit (17a2) to a central unit (100) or the like. profile data is controlled for the corresponding location / line on an undamaged surface of the car, whereby the central unit (100) announces the difference (s) between said coordinate data, that such a measuring system (15) is used, which comprises measuring units (17ai, 17a2), whereby the one measurement unit (17ai) reads coordinate data at a measuring point on the vehicle and with the other measurement unit (17a2) reads coordinate data on the vehicle at another point on the vehicle, where the differences between the coordinate points (17ai, 17a2) announced in the central unit are calculated of the measuring system by means of the signals derived from the measuring units. Method according to the preceding claim, characterized in that in the method, coordinate data from one undamaged surface of the vehicle is read with one measurement unit (17ai) and with the other measuring unit (17a2), coordinate data from a surface to be corrected on the vehicle in an XYZ coordinate system. l '\ Method according to any of the preceding claims 5 or 6, characterized in that: "a measuring unit (17ai) in the method is carried in such a way that its measuring head: Y (65) follows the vehicle surface and at the corresponding place on the other side if the center axis of the vehicle is controlled a measuring unit (17a2) as the reading surface to be corrected. » Method according to any of the preceding claims 5-7, characterized in that a measurement system (15) connected to a measuring table (15) is used as. , includes in parallel with the longitudinal axis (X) of the car running guides (15ai, 15a2) and; 30 vertical guides (15bi, 15b2), wherein the vertical guides (15bi, 15b2) move along the longitudinal guides (15ai, 15a2) and include a unit of measurement (17ai, 17a2) that can be displaced along the vertical guides (15bi, 15b2). 15b2) and that a displaceable measuring arm (40) can be displaced in the measuring unit (17ai, 17a2) in the horizontal direction with respect to the measuring unit (17ai) and that in the method coordinate values measured with the measuring head (65) two different units of measurement (17ai,>> I, 3 110544 \ Ίάι) are compared and the difference between said coordinate / coordinate value is reported to the central unit (100). 9. A method according to claim 8, characterized in that the central unit (100) is a PC computer or its equivalent, on whose display the coordinate difference / differences between the measuring heads (65) can be read on the connection units (17ai) to the vertical guides. , 17a2). Method according to any of the preceding claims 5-9, characterized in that a method of measurement (17ai, 17a2) is used in the method for which the measuring arm (40) is connected to such a measuring head (65) which has at its end a roller (650) or the like, which has been arranged to slide along the surface of the vehicle when measuring the profile of a vehicle surface, for example a plate surface. 15 Method according to any one of the preceding claims 5-10, characterized in that in the method the measuring head (65) connected to the measuring arm (40) of the measuring unit (17ai) is passed along the body surface of the vehicle and a profile measurement of the vehicle body is performed respectively. by means of the measuring head (65) on the second measuring unit (17a2) on the same measuring path, a coordinate measurement of that side is carried out; 20 to be corrected, whereby the coordinate difference between the measuring heads of the The measurement units located in the measuring cup can be calculated by means of the tiles in the central unit: (100) guided signals by means of a program installed in the central unit. 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