FIELD: technology for controlling vibration and impact, possible use for measuring parameters of vibro-impact accelerations.
SUBSTANCE: piezo-electric indicator contains body, inertial body, piezo element made in form of bushing and fastened between the body and inertial body, device for supporting piezo element along one of edges, and means for holding analogical edge of opposite end of piezo element, made in form of circular groove on the body or inertial body, wherein resilient expanding ring is positioned with provision of its squeezing between edge of piezo element and surface of groove opposite to it.
EFFECT: increased resistance to vibration and impacts.
2 dwg
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