Dynamic-setting process and device, for checking the dynamic beh

Details Dynamic-setting process and device, for checking the dynamic beh Dynamic-setting process and device, for checking the dynamic beh

1993-03-26

1995-03-21

Chilcot, Jr., Richard E.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

738656, G01M 1702

Patent

active

053985451

ABSTRACT:
The dynamic setting of an apparatus (1) designed to check the behavior of tires comprises a rotating drum (9) arranged to act in thrust relation on a rotatable tire. A dynamometer cell (10) is connected to an electronic processing unit (12) for detecting the dynamic forces transmitted from the tire (5) to the drum (9). The setting is carried out by applying a predetermined static load to the drum (9) and afterwards transmitting cyclic dynamic forces having a predetermined frequency, intensity and dynamic variation to said drum. The cyclic forces are produced by an eccentric (20) transmitting a reciprocating motion to a movement block (22) connected to the dynamometer cells (10) by springs (29, 31). Signals emitted by the dynamometer cells (10) are detected and stored by the processing unit (12) in order to obtain data to be compared with signals emerging during the test of a tire (5).

REFERENCES:
patent: 3552200 (1971-01-01), Hermanns et al.
patent: 3864967 (1975-02-01), Krenzel
patent: 4238954 (1980-12-01), Langer
patent: 4955229 (1990-09-01), Himmler
patent: 4956995 (1990-09-01), Harold et al.
patent: 4964299 (1990-10-01), Maier et al.
patent: 5027649 (1991-07-01), Himmler
patent: 5067348 (1991-11-01), Himmler et al.
Measurement Techniques, vol. 24, No. 10, Oct. 1981, New York, US, pp. 860-863; A. S. Bol'shikh: `Dynamic Calibration and Checking of Force Gauges`.

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