FIELD: measurement equipment.
SUBSTANCE: force-measuring sensor includes a force-measuring washer with one flat surface and another spherical concave surface and a face-mounted washer with one mating spherical convex surface and another flat surface. Winding of a measuring resistance strain gauge is rigidly fixed on external cylindrical surface of force-measuring washer by means of an adhesive joint. Force-measuring sensor is located on the attached part on the threaded bar and pressed to the attached part by means of a nut.
EFFECT: increasing the operating time of the device; improving measurement accuracy of threaded joint force; simplifying the design.
2 cl, 6 dwg
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