500kV/220kV three-loop mixed-pressure T-connection branch terminal tower

The invention provides a 500kV/220kV three-loop mixed-pressure T-connection branch terminal tower. The 500kV/220kV three-loop mixed-pressure T-connection branch terminal tower comprises a tower body and tower legs connected with the tower body, wherein the tower body is provided with a wire cross arm and a ground wire cross arm; a layer of ground wire cross arm is arranged at the top of the tower body; three layers of wire cross arms are arranged at the middle part and the lower part of the tower body at intervals; a straight-through side left ground wire cross arm and a straight-through side right ground wire cross arm are arranged on the left side and the right side of the top of the tower body respectively; a T-connection side left ground wire cross arm and a T-connection side right ground wire cross arm are further arranged at the side end of a right side region of the top of the tower body; the three layers of wire cross arms at the middle part and the lower part of the tower body are a straight-through