Rotary fire sprinkler with smoke detection function

The utility model relates to the technical field of fire-fighting instruments, in particular to a rotary fire-fighting sprayer with a smoke detection function, which comprises a fire-fighting sprayer body and a mounting plate, a supporting plate is fixedly arranged on the surface of the lower end of the mounting plate, the supporting plate is connected with the fire-fighting sprayer body through a bearing, and a driving motor is fixedly arranged on the surface of the lower end of the mounting plate. When the smoke sensor senses smoke, the processor controls the driving motor to drive a gear through the transmission shaft, so that a meshing tooth groove in the surface of the inner side of the fire sprinkler body is acted, the fire sprinkler body is driven to rotate in the supporting plate through a bearing, and the angle is adjusted; when the fire occurrence position is scanned, the processor controls the hydraulic pump to drive the hydraulic rod to contract to adjust the angle of the water spraying head, the