Single-arm supporting discharging rotating device

The utility model discloses a single-arm supporting discharging rotating device which comprises a fixed stand column, a rotating shaft, a rotating shaft, a rotating shaft and a rotating shaft, wherein the bottom of the fixed stand column is fixedly connected to a fixed base; the core tube is fixed in the fixed upright post; the lower part of the rotating stand column is inserted into the core tube; the root of the cross arm is fixedly connected to the top of the rotating stand column and horizontally extends out; the suspension screw rod is hinged to the lower part of the cross arm and suspends the discharging mechanism; a lining is embedded in a lower port of the rotating stand column, a rotating shaft is inserted into a center hole of the lining and supported in the core pipe through a bearing, and a plurality of positioning grooves are evenly formed in the circumference of the lower portion of the rotating shaft; a damping seat is fixed in the fixed stand column, the bottom wall of the damping seat abuts a