Device for the measurement of wheel or axle loads of road vehicl

Details Device for the measurement of wheel or axle loads of road vehicl Device for the measurement of wheel or axle loads of road vehicl

1976-09-15

1978-07-04

Hartary, Joseph W.

Weighing scales

Self-positioning

Electrical current generating or modifying

73141A, 177134, G01G 1902

Patent

active

040983650

ABSTRACT:
A device for measuring the wheel or axle load of a road vehicle comprises a plate supported along its periphery at selected points or by knife edges in a frame. Along two imaginary lines of the plate, spaced apart by a distance greater than the length of a contact zone of a wheel on the plate, there are provided at least two pairs of wire strain gauges. Each pair of wire strain gauges includes a wire strain gauge extending in the direction of displacement of the wheel, i.e. perpendicular to the imaginary lines and a wire strain gauge parallel thereto. The measuring signals of the wire strain gauges is added and a multiplication factor a of about 0.3 is provided between the measuring signals of the two gauges of each pair which are added.

REFERENCES:
patent: 3105564 (1963-10-01), Ormond
patent: 3356170 (1967-12-01), Cory
patent: 3593263 (1971-07-01), Olsen

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