Quality detection equipment for power transformer

A quality detection device for a power transformer disclosed by the present invention comprises an outdoor transformer, a transport vehicle and a mechanical arm, the mechanical arm is fixedly provided with an array hinge device, the array hinge device is fixedly provided with a cooling fin automatic positioning device, and the cooling fin automatic positioning device is provided with a power transmission structure for clamping rotation. The power transmission structure is movably connected with the reciprocating cleaning and impurity removing device, and the power transmission structure is movably connected with the cooling fin quality inspection marking structure in a clamped mode. The invention belongs to the technical field of outdoor equipment quality detection devices. According to the invention, by means of mechanical contact and detection result amplification, the detection result of the external cooling fins of the power transformer is visual, multiple groups of cooling fins can be detected at the sam