External hanging type ring main unit disconnecting switch running-in test power device

An externally-hung ring main unit disconnecting switch running-in test power device comprises a box-shaped shell and a transmission shaft, the front portion of the box-shaped shell is provided with a bolt lock hole matched with the wall of a ring main unit, and the front end of the transmission shaft is provided with an inner hexagonal hole matched with a disconnecting switch operation shaft; a driving mechanism for driving the transmission shaft to rotate is arranged in the box-shaped shell and comprises a motor, a gear set, a rotating disc, a shifting fork, a swing rod, a transverse rack and a first gear meshed with the transverse rack, the motor drives the rotating disc to rotate through the gear set, and the first gear drives the transmission shaft to rotate; two rolling wheels are fixed to the eccentric position of the rotating disc, the transverse rack is fixedly connected with a sliding strip capable of transversely sliding, and the sliding strip is located above the rotating disc; a transmission pin a