Safety application device for computer informatization

The utility model discloses a safety application device for computer informatization. Main case, a motor is fixedly mounted in the middle of the mainframe box bottom; a driving gear is fixedly mountedat the periphery of a motor output shaft; a cooling fan is fixedly installed at the tail end of a motor output shaft and located above the driving gear, a vertical first reciprocating lead screw is installed on one side of the bottom face of the main machine box through a bearing, a first nut in threaded fit with the first reciprocating lead screw is arranged on the periphery of the first reciprocating lead screw, the top face of the first nut is fixedly connected with the bottom end of a sleeve rod, and the upper end of the first reciprocating lead screw is located inside the sleeve rod. According to the device, cleaning of the first filter screen and soot blowing of parts in the mainframe box can be achieved only with the help of an original heat dissipation motor, the equipment utilization rate is increased, e