A device that is used for flame to cut steel sheet curved surface groove

The utility model discloses a device that is used for flame to cut steel sheet curved surface groove, including the host computer, be fixed in a plurality of host computer guide pulley of host computer below, one end fixed connection on the host computer, the band of gas bracing piece of other end horizontal extension predetermined distance, fix and cut the valve mouth at the terminal flame of band of gas bracing piece to and the band of gas pipe that the valve mouth is connected is cut with host computer intercommunication, the other end with the flame to one end, the lateral part of host computer rotates and is connected with adjustable guide bar, and the one end of adjustable guide bar is extended again to buckling with the vertical parallel direction of host computer behind the predetermined distance to the direction of keeping away from the host computer is parallel, and the end rotation of this adjustable guide bar is connected with supplementary leading wheel, the slope of host computer guide pulley se