Component-modularized LED high-hanging lamp for nuclear environment

A component-modularized LED high-hanging lamp for a nuclear environment comprises an outer shell, a shell cover and a pressing ring, a rotating shaft base is installed on one side of the outer shell, a power module is installed on the upper surface of the outer shell, an electrical cavity is formed in the shell cover, a first rotating pin shaft is installed on the outer side surface of the shell cover, and first anti-falling bolts are evenly arranged on the flange edge of the shell cover; a light source module is fixedly installed below the outer shell, a second rotating pin shaft is fixedly installed on the outer side surface of the pressing ring, the first rotating pin and the second rotating pin shaft are rotationally connected with the rotating shaft base, and the pressing ring is locked and fixed in a fixing hole in the lower surface of the outer shell through a second anti-falling bolt. According to the utility model, the defects in the prior art are overcome, the lamp pressing ring and the shell cover