Method and apparatus for measurement of axle and wheel positions

Details Method and apparatus for measurement of axle and wheel positions Method and apparatus for measurement of axle and wheel positions

1996-04-16

1998-07-14

Hellner, Mark

Optics: measuring and testing

Angle measuring or angular axial alignment

Wheel alignment with photodetection

3320318, 33288, G01B 1126, G01B 524

Patent

active

057812861

ABSTRACT:
A method and an apparatus for measuring the wheel positions of double-track motor vehicles according to which the relevant wheel angles, such as the track, the king pin inclination, the inclination of the steering knuckle pivot, the axle pin rake, the eccentricity or the like, are detected by means of measuring heads mounted on the wheel rims of the vehicle wheels. The measurement data is evaluated and displayed by a processing means. The measuring heads are pivotable around an extension of the axis of rotation of the respectively related vehicle wheel. To be able to carry out measurements even with the vehicle wheels rotating, the measuring heads are held in their predetermined measuring position by means of a position control. The measuring heads contain inclinometers and/or electro-optical measuring cells for detecting the measuring data which are suitable for detecting the eccentricity, the axle pin rake, the track difference angle and the like, in addition to detecting the king pin inclination and track angles.

REFERENCES:
patent: 5018853 (1991-05-01), Hechel et al.
patent: 5519488 (1996-05-01), Dale, Jr. et al.
patent: 5561244 (1996-10-01), Olesky et al.

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