Drill bit for drilling fault fracture zone

The invention provides a drill bit for drilling a fault fracture zone, which comprises a drilling bit, crushing drill teeth are integrally arranged at the lower part of the drilling bit, the drill bit is characterized in that a rolling connecting frame assembly is arranged at the upper part of the drilling bit, the outer side of the drilling bit is sleeved with an outer side cylinder, and the outer side of the outer side cylinder is sleeved with an inner side cylinder; an anti-shaking seat assembly is mounted at the lower part of the outer side cylinder; the anti-shaking base assembly comprises a bottom annular base, an upper annular base is arranged on the bottom annular base, and arc-shaped grooves are formed in the upper portion of the inner side of the bottom annular base and the lower portion of the inner side of the upper annular base respectively. Through the arrangement of the bottom annular seat, the upper annular seat, the arc-shaped groove, the mounting through hole and the metal balls, the bottom