Double-shaft two-way transmission spiral axial flow type oil-gas multiphase pump

The invention discloses a double-shaft two-way transmission spiral axial flow type oil-gas multiphase pump. The pump comprises a pump body, impellers and a connecting shaft, the front end of the connecting shaft is fixedly connected with the pump body, a tail end of the connecting shaft is provided with a rotating shaft in a sleeving mode, a tail end of the rotating shaft is connected with a motor, the front end of the rotating shaft is connected with the impellers, the impellers comprise forward impellers and reverse impellers which are alternately arranged, forward bevel gears are arranged at two ends of the forward impellers, reverse bevel gears are arranged at two ends of the reverse impellers, transmission bevel gears are arranged between the forward bevel gears and the reverse bevel gears which are adjacent to each other, and the transmission bevel gears are connected with the connecting shaft through supporting rods. According to the pump, original guide vanes are replaced with the reverse impellers, o