Device for amplifying mechanical vibration by means of resonance principle for precise detection

The invention discloses a device for amplifying mechanical vibration by means of a resonance principle for precise detection. The device comprises a base, the base is located above the ground, a resonance mechanism is arranged above the base, a coil mechanism is arranged inside the resonance mechanism, a fixing mechanism is disposed on one side of the resonance mechanism, a mounting mechanism is disposed under the base, a controller and a battery box are respectively disposed above the base, the power input end of the controller and the power output end of the battery box are electrically connected, the power output end of the controller is electrically connected to a coil, a feed stepping motor and a pressure sensor respectively, the signal input end of the controller is electrically connected to the coil and the pressure sensor respectively, and the signal output end of the controller is electrically connected to the feed stepping motor. The device has the advantages of simple structure and strong practicab