Pavement cutting device for highway construction

The utility model relates to the technical field of pavement cutting devices. The road surface cutting device for highway construction comprises a base, the device comprises a square base plate, pulleys are fixed at four corners of the bottom surface of the square base plate; a pavement cutting mechanism is arranged above the square base plate; the pavement cutting mechanism comprises a square horizontal plate; bearings penetrate through the two sides of the square opening; the two bearings are jointly connected with a transmission shaft; a driven wheel is fixed at one end of the transmissionshaft; a cutting wheel is arranged at the other end of the transmission shaft, a motor is arranged on one side of the transmission shaft, a driving wheel is fixed to an output shaft of the motor, a transmission belt is jointly clamped between the driving wheel and the driven wheel, a storage battery is arranged on the other side of the transmission shaft, a hydraulic telescopic rod is fixed in thecontaining groove, and a