Vertical shaft guide vane type mixed flow pump

The utility model provides a vertical shaft guide vane type mixed flow pump which does not require frequent replacement of lubricating medium between a stuffing box and a rubber bearing, is convenient to maintain, is better in pump shaft wearing resistance, and is high in equipment overall stability. The vertical shaft guide vane type mixed flow pump comprises a first coupler (1), a transmission component (2), a base (3), the stuffing box (4), the rubber bearing (5), a liquid outlet pipe (6), a pump shaft (7), a second coupler (8), an intermediate bearing (9), a guide vane body (10), a lower end bearing (11), an impeller (12) and a liquid inlet (13), wherein a lubricating cavity is arranged between the stuffing box (4) and the rubber bearing (5). The vertical shaft guide vane type mixed flow pump is characterized in that a water inlet short pipe (14) communicated with the exterior of the pump body is connected with the inside of the lubricating cavity (16), and is used for guiding fresh water into the lubrica