Square column type sensor without blind pore

The utility model relates to a resistance strain type sensor, particularly a square column type sensor. The utility model is characterized in that the square column type sensor mainly comprises an elastic body, wherein the shape of the elastic body is a cylinder shape, but a testing beam of the midd...

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1. Verfasser: ZHICHENG TU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model relates to a resistance strain type sensor, particularly a square column type sensor. The utility model is characterized in that the square column type sensor mainly comprises an elastic body, wherein the shape of the elastic body is a cylinder shape, but a testing beam of the middle part is rectangular, a load bearing end is a cambered concave surface, a supporting end is a circumferential plane surface, and mounting holes are distributed on the plane surface; the testing beam is a rectangular and homogeneous square column beam without a blind hole (groove), the four surfaces of the testing beam are all distributed with resistance strain gauges, and the number of the resistance strain gauges can be four or eight; the load bearing end is a cambered concave surface, and a steel ball force-transfer structure is adopted. Since the utility model adopts the square column type and the steel ball force-transfer structure, the utility model has the advantages of small size, light weight, automatic replacement, high measuring precision, simple processing technology, strong capacity of deflection loading resistance, etc.