FIELD: measurement of mass of freight cars in movement. SUBSTANCE: gear is mounted on rail and has strain- gauge transducers arranged on both sides of rail web in pairs in vertical sections in symmetry with neutral line of rail and center of space between ties. Strain-gauge transducer includes restoring member fabricated in the form of two identical rectangular beams monolithically attached, for instance, welded on both sides to rail web in space between ties. Resistance strain gauges are bonded to upper and lower surfaces of beams and neutral lines of beams lie in one plane with neutral line of rail. EFFECT: increased measurement precision. 3 dwg
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