Wellhead protective cover suitable for vertical shaft type drilling machine

The utility model discloses a wellhead protective cover suitable for a vertical shaft type drilling machine, and relates to the technical field of mine exploration and related equipment thereof. A guide rod A and a guide rod B are installed on the two sides of the bottom of the inner protection frame respectively, a lifting oil cylinder is installed at the front end of the bottom of the inner protection frame, an outer protection frame is installed under the inner protection frame and comprises a connecting plate and protection plates, and the protection plates are installed on the outer sides of the outer walls of the periphery of the connecting plate. Mounting grooves are formed in the front and rear ends of the outer wall of the protective plate, the mounting assembly comprises a push plate and a moving plate, and the moving plate is welded to the center of the end face of one side of the push plate. By means of the lifting oil cylinder and the installation assembly, the outer protection frame at the botto