Performance test device for electric roller loaded by permanent magnet synchronous motor

The utility model discloses an electric roller performance test device loaded by a permanent magnet synchronous motor. The electric roller performance test device comprises the permanent magnet synchronous motor, a mounting underframe, and a loading device, a redirection device, an electric roller, an adjusting base, an amplitude variation device and a frequency conversion device which are arranged on the mounting underframe, the loading device is directly connected with the permanent magnet synchronous motor; two ends of the turnabout drum are respectively connected with the loading device and the electric drum through a conveying belt; the electric roller is arranged on the mounting underframe through the adjusting base; the amplitude changing device is connected with the direction changing device; the frequency conversion device controls and connects the permanent magnet synchronous motor; according to the scheme, the adjustable base is arranged at the installation position of the tested electric roller, t