Highway construction expansion joint cutting equipment with protection mechanism

The invention relates to highway construction expansion joint cutting equipment with a protection mechanism. The highway construction expansion joint cutting equipment comprises a road cutting machine, a protection device arranged on the upper half portion of a saw blade of the road cutting machine and a dust removal device. The protection device comprises an outer protective cover fixedly connected with the road cutting machine, an inner protective cover, a spring with one end fixedly connected with the inner protective cover, a nut arranged on the outer surface of the outer protective coverand a screw in threaded connection with the nut. And the dust removal device comprises a support, a dust remover box body, a dust baffle, a high-pressure water pipe, a spray head, a fan and a water pump. The highway construction expansion joint cutting equipment has the beneficial effects that through the arrangement of the protection device, the saw blade head can be prevented from falling off, and people injury accident