Double-column horizontal rotation type high-voltage direct-current isolating switch base

The utility model discloses a double-column horizontal rotation type high-voltage direct-current isolating switch base, which comprises an adjustable base, insulators are arranged on the adjustable base through bearing seats, a connecting rod is hinged between the two insulators, the top ends of the two insulators are respectively provided with a moving contact and a static contact, and the top ends of the two insulators are also provided with wiring terminals; wherein the adjustable base comprises a U-shaped lower base, an inverted-U-shaped upper base is arranged in the U-shaped lower base through a supporting spring, a horizontal ruler is further arranged on the inverted-U-shaped upper base, a vertical long hole is formed in the side wall of the U-shaped lower base, a round hole is formed in the side wall of the inverted-U-shaped upper base, a fixing bolt is arranged in the long hole and the round hole in a penetrating mode, and the fixing bolt is fixed through a nut. An anti-skid gasket is further arranged