Axial inching detection device of pinhole electric connector

The invention relates to an axial micro-motion detection device of a pinhole electric connector, which comprises a control device, a first clamping component and a second clamping component, the first clamping component and the second clamping component are oppositely arranged, the first clamping component comprises an XYZ-axis moving table and a first clamping assembly, and the first clamping assembly is mounted on the XYZ-axis moving table; the second clamping part comprises a Z-axis lifting table, a piezoelectric ceramic motor and a second clamping assembly, the piezoelectric ceramic motor is installed on the Z-axis lifting table, the second clamping assembly is installed on the piezoelectric ceramic motor, the first clamping assembly is used for clamping a first contact piece, the second clamping assembly is used for clamping a second contact piece, the first contact piece is matched with the second contact piece, and the second contact piece is matched with the second clamping assembly. The piezoelectric