Construction platform of prefabricated box girder

The utility model provides a construction platform of a prefabricated box girder. The construction platform comprises a first platform and a second platform, the second platform and the first platform are arranged alternately; the telescopic structures are connected with the first platform and the second platform, so that the first platform and the second platform are gradually close to each other or far away from each other; wherein the telescopic structure comprises two scissor frames arranged in a mirror image mode and a bidirectional lead screw rotationally arranged between the two scissor frames, each scissor frame is provided with a first connecting rod and a second connecting rod which are hinged to each other, and the hinged position of the first connecting rod and the second connecting rod is arranged on the first platform or the second platform. And one ends of the two ends are hinged to the two-way screw rod at intervals. The construction platform solves the technical problem that a construction pl