Formwork trolley system in municipal road box culvert construction

The utility model discloses a formwork trolley system in municipal road box culvert construction, which comprises a bailey frame, a jack is fixedly mounted on the upper surface of the bailey frame, arch steel is fixedly mounted on the upper surface of the jack, a PP long fiber plastic upper formwork is fixedly mounted on the upper surface of the arch steel, and a plurality of steel plates are fixedly mounted on the upper surface of the PP long fiber plastic upper formwork. Mounting grooves are formed in the outer surfaces of the two sides of the bailey truss, connecting shafts are movably mounted in the mounting grooves, a shaft sleeve is fixedly mounted between the connecting shafts, a threaded shaft is movably mounted in the shaft sleeve, and the outer surface of the threaded shaft is movably sleeved with a threaded sleeve. The threaded shaft is rotated to drive the threaded sleeve to move, the threaded sleeve moves to drive the PP long fiber plastic side formwork to move, and therefore the PP long fiber pl