Environmental particle detection equipment with protection mechanism

The utility model relates to the technical field of environmental particle detection equipment, and discloses environmental particle detection equipment with a protection mechanism, which comprises a tank body, an observation window is arranged on the surface of the tank body, an optical fiber tester is fixed on the surface of the tank body, a fixed plate is fixed on the top of the tank body, a motor is fixed on the surface of the fixed plate, and a protection mechanism is arranged on the surface of the protection mechanism. An output shaft of the motor penetrates through the tank body, the environmental particle detection equipment with the protection mechanism is provided with a cleaning assembly, the motor is started, a belt can drive a rotating rod and a half gear to rotate, at the moment, a double-sided rack performs linear motion, a clamping tooth drives a cylinder to drive an L-shaped scraping rod to rotate, and the inner wall of the tank body is cleaned; and when the half gear is not engaged with the