Half joint with reinforced fixing structure

The utility model discloses a half joint with a reinforced fixing structure. The device comprises a first clamping ring, a second clamping ring, a first bolt and a second bolt, rubber pads are fixedlywelded in the first clamping ring and the second clamping ring; the first clamping ring is hinged to one end of the second clamping ring. A first threaded through hole and a second threaded through hole are formed in each of the two groups of lug blocks; and the fixing mechanism comprises a through hole, limiting blocks are arranged at the two ends of the through hole correspondingly, a sliding rod is slidably mounted in the through hole, an inclined part is arranged at the upper end of the sliding rod, a limiting ring is arranged on the sliding rod, a spring is arranged on the side, away from the inclined part of the sliding rod, of the limiting ring, and a groove is annularly formed in the second bolt. One ends of the two sets of clamping rings of the half joint are hinged, the other ends of the two sets of cla