Guide vane sleeve sealing device

The utility model relates to a guide vane sleeve sealing device which comprises a guide vane large-head shaft collar, a stainless steel sleeve is arranged outside the guide vane large-head shaft collar, a sealing copper sleeve is connected outside the stainless steel sleeve, and the stainless steel sleeve is connected with the guide vane large-head shaft collar in an interference fit mode. Four drill holes used for being connected with pins are evenly distributed in the center of the surface of the outer circle of the stainless steel sleeve, an annular welding seam is reserved at the front end of the stainless steel sleeve, a V-shaped sealing ring is arranged between the stainless steel sleeve and the sealing copper sleeve, and an O-shaped sealing ring is arranged on the upper portion of the V-shaped sealing ring. The sealing device is simple in structure and high in practicability, the stainless steel sleeve is arranged outside the guide vane large-head shaft collar, the O-shaped sealing ring is additionally