FIELD: testing equipment.
SUBSTANCE: generate the harmonic vibrations by applying the periodic vibration disturbances in two mutually perpendicular planes X and Y. At that provide the transmision of external force by the vibration generator also perpendicular to the planes X and Y along Z axis, the periodic vibration action adjustments are made by changing the amplitude and frequency of the working body vibrations, the obtained results are compared with the previous measurements, and then estimate the technical condition of the engineering structure. The device contains a vibratory machine with the electric motor, which shaft is connected to the working body, provided with vibrators and generating vibrations in two mutually perpendicular planes X and Y. The body of vibration machine is rigidly connected to the working body and with the investigated structure, the vibratory machine can be moved and generate vibrations along Z axis with different amplitude and frequency.
EFFECT: improvement of the estimation accuracy.
2 cl, 3 dwg
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