Lead screw guide sliding mechanism for mechanical electrical equipment

The utility model belongs to the field of mechanical electrical, and particularly relates to a lead screw guide sliding mechanism for mechanical electrical equipment, which comprises a lead screw, a cleaning mechanism and a limiting mechanism, the outer side wall of the lead screw is connected with a nut, the cleaning mechanism comprises a ball, a ring sleeve, bristles, a ball groove, a gear, a motor and embedded teeth, and the two sides of the outer side wall of the nut are connected with the ring sleeve; through arrangement of balls, a ring sleeve and bristles, impurities are prevented from entering the nut, friction between the balls inside the nut and a sliding groove is increased, the sliding groove inside the nut is damaged, and sliding guiding of the screw rod is influenced; through arrangement of a rotating shaft and a limiting plate, in the using process of the ball screw rod, a worker can rotate the limiting plate through the rotating shaft, and the screw rod is prevented from being damaged; and the