Horizontal displacement measuring meter for large-span continuous rigid frame bridge

The invention relates to the technical field of continuous rigid frame bridge measurement, and discloses a large-span continuous rigid frame bridge horizontal displacement meter which comprises a mounting plate, the bottom end of the mounting plate is fixedly connected with a fixing plate, the interior of the fixing plate is movably connected with a rotating handle, one end of the rotating handle is fixedly connected with a positive and negative threaded rod, and the other end of the rotating handle is fixedly connected with a positive and negative threaded rod. A bearing is fixedly connected to one end of the right-hand and left-hand threaded rod, a connecting ring is movably connected to the outer wall of the right-hand and left-hand threaded rod, an internal thread is fixedly connected to the inner wall of the connecting ring, a connecting column is fixedly connected to the top end of the connecting ring, and a movable groove is formed in the mounting plate. According to the horizontal displacement measuri