Precast box beam roller type internal mold releasing device

The utility model provides a precast box beam roller type internal mold releasing device, and belongs to the technical field of precast box beam internal mold releasing. The precast box beam roller type internal mold releasing device aims at solving the problems that according to an existing manual mold releasing process, the internal size of a box beam is prone to being affected, integrity of the surface of concrete inside the box beam cannot be guaranteed, and reutilization of an internal mold of the box beam is affected. The precast box beam roller type internal mold releasing device comprises a top mold and a plurality of steel pipe sets, wherein the steel pipe sets are welded to the two sides in the longitudinal direction of a bottom mold. Each steel pipe set comprises two horizontal and coaxial steel pipes, wherein the two steel pipes are spaced, and plain round bars are inserted into the two steel pipes. Steel plates are welded to the middle portions of the plain round bars, supporting steel plates are connected between the steel plates close to the top mold side and the steel plates close to the bottom mold side in the same vertical direction through high-strength bolts, the supporting steel plates on the same side in the longitudinal direction are connected through steel channels welded to the middle, and force applying rings are welded to the two ends of each steel channel. Chain blocks are used for dragging the force applying rings to drive the steel channels and a supporting steel plate system to horizontally move, so that the top mold and the bottom mold are separated from the concrete.