Bridge building reinforcing device

The utility model discloses a bridge building reinforcing device, and particularly relates to the field of bridge building reinforcement, which comprises a bridge column, a bridge is fixedly mounted at the upper end of the bridge column, a foundation plate is fixedly mounted at the lower end of the bridge column, an auxiliary device is detachably mounted on the outer side of the lower end of the bridge column, and a reinforcing device is arranged at the upper end of the auxiliary device. The reinforcing device is composed of a jacking assembly and an installation assembly, the auxiliary device comprises a first fixing cover, a penetrating rod, a second fixing cover, a penetrating hole, a nut and a fixing groove, and one end of the penetrating rod is fixedly installed on one side of the two ends of the first fixing cover. According to the bridge building reinforcing device, the bridge columns are installed at the same time through the four sets of auxiliary devices, the stability of the lower end of a building