Automatic plugging furnace top thermal imaging system

The utility model relates to the technical field of thermal imaging, in particular to an automatic plugging furnace top thermal imaging system, which comprises a camera gun body and an extending pipe, a valve component is mounted on the extending pipe and comprises a rear short pipe and a front short pipe, the rear short pipe is communicated with the extending pipe, and the front short pipe is communicated with the rear short pipe through a storage sleeve. Two supporting lugs are connected in the storage sleeve, two door plates are connected between the two supporting lugs through a sliding shaft, the front short pipe communicates with an external mounting pipe, a storage sliding rail and an extension sliding rail are installed in the external mounting pipe and the extension pipe correspondingly, the camera gun body is slidably matched with the storage sliding rail, and a servo motor is installed on the storage sliding rail; the servo motor is connected with a threaded sleeve through a threaded rod, the threa