Pre-tightening tool device for ring body assembly of precise conductive slip ring

The utility model belongs to the technical field of conductive slip ring body assembly, and particularly relates to a pre-tightening tool device of a precise conductive slip ring body assembly, which comprises a base, a plurality of positioning rods are detachably mounted at the top of the base, glands are movably connected to the outer sides of the plurality of positioning rods, and locking nuts are in threaded connection with the upper ends of the positioning rods. The locking nut is located at the top of the gland, circular through holes with the same number as the positioning rods are formed in the gland, the diameter of the circular through holes in the gland is larger than that of the positioning rods and that of the second screw, the diameter of the multiple circular through holes is smaller than that of the locking nut, and the multiple positioning rods are located on the inner sides of the multiple circular through holes in the gland correspondingly. A first screw rod is fixed to the bottom of the po