Dosimeter protection device for radiation-resistant cable irradiation system

The utility model relates to a dosimeter protection device used for a radiation-resistant cable irradiation system. The dosimeter protection device comprises a protection box, a first fixing belt, a hook-and-loop fastener, a second fixing belt, a hook-and-loop fastener, a push plate, a fixing bolt, a groove and a heat preservation layer. According to the dosimeter protection device, through the arrangement of the protection box, the groove, the push plate and the fixing bolts, a dosimeter is placed in the protection box, the upper end of the protection box is sealed through the push plate, protection of the dosimeter is achieved, the phenomenon that the dosimeter is collided and damaged in the use process is avoided, the service life of the dosimeter is prolonged, the push plate is installed in the groove through the fixing bolts, and the dosimeter protection device is convenient to use. An operator can conveniently detach a fixing bolt and take down a push plate to take the dosimeter, and observation and rep