Special portal crane for pumped storage vertical shaft

The invention relates to the technical field of cranes, and discloses a special portal crane for a pumped storage vertical shaft, which comprises a portal frame, a vehicle body, a fixed plate, wheels, a control motor, a rotary gear and the like, the crane comprises a gate-type rack and a crane body, the crane body is arranged on the gate-type rack, a plurality of wheels are arranged at the bottom of the crane body and make contact with the gate-type rack, so that the crane body can reciprocate along the gate-type rack, a fixing plate is fixed in the crane body, a control motor is installed on the fixing plate, and a rotating gear is rotationally arranged on the fixing plate. According to the device, the synchronous fluted disc is arranged to drive the two fold line winding drums to synchronously rotate, so that two cables can be controlled to be synchronously wound and unwound when the cage is wound and unwound, and the stability is improved; the wheels are connected with the vehicle body in a sliding mode, w