Fixing device for plug flow equipment of sewage treatment tank

The utility model discloses a sewage treatment pool plug flow equipment fixing device which comprises a sliding guide rail, a connecting rotary disc, a cross beam, a connecting support and a guide rail bracket. The connecting rotary disc is of a fan-shaped disc-shaped structure, and a plurality of mounting holes are formed in the connecting rotary disc along the arc-shaped edge of the connecting rotary disc at preset intervals; the cross beam is arranged above the connecting turntable and located on the central axis of the connecting turntable, the part, close to the tail end, of the cross beam is fixedly connected with the connecting turntable, and the head end of the cross beam extends out of the connecting turntable and is fixedly connected with the top end of the sliding guide rail; the tail end of the connecting bracket is fixedly connected with the head end of the guide rail bracket; the tail end of the guide rail bracket is fixedly connected with the wall surface of the sewage treatment tank through an