Civil engineering ware of slotting

The utility model discloses a civil engineering ware of slotting, it cuts cutting piece, milling cutter driving motor, milling cutter and degree of depth backup pad to include power supply unit, to cut cutting piece driving motor, to slot, power supply unit simultaneously with cut cutting piece driving motor and milling cutter driving motor electric connection, the fluting cut cutting piece with it connects to cut cutting piece driving motor's pivot, milling cutter with milling cutter driving motor's pivot is connected, milling cutter is vertical to be located the rear that cutting piece was cut to the fluting, degree of depth backup pad with cut cutting piece driving motor's the adjustable fixed connection of shell. Compared with the prior art, the utility model discloses a set up a depthface etc. Diameter and fluting at the rear that cutting piece was cut to the fluting and cut the milling cutter that cutting piece thickness equals, in the cutting fluting, clear up grooved bottom, make the fluting complete,