Clamping device for brushing plating aircraft tubular part and brushing plating method

The invention provides a clamping device for brushing plating an aircraft tubular part and a brushing plating method, and the clamping device comprises a base, a locating bush, an adjusting thread plate, a thread support plate, a three-jaw, a handle, a rocker arm, and a center positioning shaft; the brushing plating method comprises the steps that when the clamping device is used, the three-jaw takes the center positioning shaft as the center to be opened or closed to lock a part to be brushed and plated; the rocker arm and the handle are fixed on the outside face of a bearing support plate; a brush plating pen is placed on the surface of the part to be brushed and plated; the handle is rotated to drive the part to be brushed and plated to make the circular motion around the center positioning shaft, and the brushing plating is performed on the surface of the part to be brushed and plated.