Large wedge block shifting device for floating of launching barge

The utility model discloses a large wedge block shifting device for floating of a launching barge, which comprises the launching barge, a large wedge block shifting device and a large wedge block shifting device, and the top end of the launching barge is provided with a chute; the wedge block is mounted in the inclined groove; the four jacking assemblies are symmetrically mounted on the two sides of the wedge block correspondingly; the horizontal displacement assembly is mounted at the side end of the wedge block; the supporting sliding rod is installed in the inclined groove, and the supporting sliding rod is sleeved with the wedge block in a sliding mode; the limiting baffle is arranged at the top end of the inclined groove, and the limiting baffle abuts against the top end of the wedge block. According to the utility model, floating cranes or large crawler crane resources are not used, the displacement work of the large wedge block for the floating support of the launching barge can be effectively complete