Pavement joint cutting device for municipal roads and bridges

The invention discloses a pavement joint cutting device for municipal roads and bridges, and relates to the technical field of municipal construction. Comprising a grooving machine body, a front roller, a sweeping mechanism, a dust collecting mechanism, a cutting mechanism, a positioning mechanism and a rear roller are sequentially arranged at the bottom of the grooving machine body from front to back, a damping mechanism and a water tank are arranged in the grooving machine body, a bearing plate is arranged on the damping mechanism, and a driving motor and a dust collecting chamber are arranged on the bearing plate; the driving motor is connected with the cutting mechanism and the rear rolling wheel through a transmission mechanism, an air pump is arranged in the dust collection chamber and connected with the dust collection mechanism, a water pump is arranged in the water tank, the output end of the water pump is connected with a spraying pipe, and the outlet direction of the spraying ...