Quick assembling and positioning assembly for double-column type bridge pier in assembly type bridge

The invention relates to the technical field of bridge construction, and particularly discloses a double-column bridge pier rapid assembling and positioning assembly in an assembly type bridge, which comprises a cast-in-place platform, positioning slots are formed in the two sides of the top of the cast-in-place platform, and rotating ring grooves are formed in the bottoms of the inner walls of the positioning slots; a plurality of positioning inserting holes are formed in the two sides of the top of the cast-in-place table, a positioning part is placed at the top of the cast-in-place table and comprises a positioning frame, clamping assemblies are jointly installed at the two ends of the bottom of the positioning frame, and the opposite sides of the two positioning connecting plates are connected with the positioning frame. Through cooperation of a limiting part and a positioning part, a driving motor rotates forwards to drive a driving rotating rod to rotate forwards, and under cooperation of two sets of dr