Concrete cutting machine

The utility model belongs to a reinforced concrete cutting device for building, and specifically relates to a hydraulic concrete cutting machine. The cutting machine is characterized in that the concrete cutting machine comprises a hydraulic supply source, an electric cabinet, a guide rail component (1), a feeding component (4), a rotating component (7), a deceleration component (12), a base component (14) and a hydraulic motor (16), wherein, the guide rail component (1) is fixed on a guide rail support frame (2); the base component (14) and the feeding component (4) are respectively mounted on two sides of the guide rail component (1); the rotating component (7) and the deceleration component (12) which are vertical to each other for an angle are connected and fixed above the base component (14); the hydraulic motor (16) is arranged at one end of the rotating component (7) and communicated with the hydraulic supply source through a hydraulic oil pipe; and the electric cabinet controls the cutting machine to