Device suitable for dismantling beam bottom formwork of supporting beam and construction method of device

The invention relates to the technical field of building construction, in particular to a device suitable for dismantling a beam bottom formwork of a supporting beam and a construction method thereof.The device comprises a mounting box, a cover plate and a controller, a fixing sleeve is fixedly mounted at the lower end of the cover plate, the controller is fixedly mounted at the upper end of the cover plate, and the fixing sleeve sleeves the upper end of the mounting box and is fixed through a bolt; side plates are fixedly mounted on the left and right sides of the lower end of the cover plate through bolts, moving plates are slidably connected to the inner ends of the side plates, rollers are fixedly mounted on the front and rear sides of the lower end of each moving plate, and a downward pushing part is mounted in the center of the lower end of each moving plate in a liftable manner; when the device is used for dismantling the formwork at the bottom of the supporting beam, mechanization, automation and high