Multifunctional mobile operation device used in closed space

The utility model discloses a multifunctional mobile operation device used in a closed space. The multifunctional mobile operation device comprises an upper support. The lower supports are symmetrically and vertically arranged under the edges of the two sides of the upper support, the lower sides of the two ends of each lower support are fixedly connected with self-locking universal wheels, the lower supports are connected through supporting frame assemblies arranged on the upper sides of the lower supports, and the upper supports are connected with the supporting frame assemblies; the mounting table is fixedly arranged on the upper side of one end of the upper bracket; the winch is arranged above the mounting table; the lifting support assembly is arranged above the mounting table, a lifting hook capable of ascending and descending is arranged on the lifting support assembly, and a winch is connected with the lifting hook on the lifting support assembly through a lifting rope to achieve ascending and descend