Electromagnetic radiation detector with adjusting function

The utility model discloses an electromagnetic radiation detector with an adjusting function, which relates to the technical field of electromagnetic radiation detection, and comprises a positioning frame and a detector main body, a vertical column is fixedly mounted in the positioning frame, the vertical column is vertically arranged, a lifting sliding block is arranged in the positioning frame, a square through hole is formed in the lifting sliding block, and the square through hole is formed in the detector main body. A locking mechanism is arranged in the middle of the interior of the positioning frame and comprises a positioning block, a rotating shaft, a ratchet wheel, a pawl and a gear, the positioning block is fixedly installed in the middle of the interior of the positioning frame, the rotating shaft is rotatably installed on the positioning block in a matched mode, and the ratchet wheel and the gear are both fixedly installed on the rotating shaft; a vertically-arranged rack is formed on the inner s