Contact apparatus of earthing knife switch

The utility model relates to an earthing knife switch arranged on a high tension switchgear, and especially relates to a contact apparatus on an earthing knife switch. The adopted technical scheme is that the contact apparatus is characterized in that a static contact comprises a mounting portion and a circular connecting portion, a moving contact comprises a hinge portion, a swing arm and a joint portion which is equipped with a through hole, the through hole is in joint cooperation with the connecting portion of the static contact, at least two accommodation ring grooves are disposed around the inner wall of the circular through hole of the joint portion, spring contact fingers formed by bent springs are disposed in the accommodation ring grooves, and the spring contact fingers form electric connection between the static contact and the moving contact after the through hole and the connecting portion of the static contact are in joint cooperation. According to the above technical scheme, the novel contact a