Pressure pipeline detection device

The utility model discloses a pressure pipeline detection device, which is characterized in that an irradiation mechanism is arranged in the middle of the front side of a shell, the irradiation mechanism comprises a ray emission port and an annular shell, a protection assembly is arranged above the annular shell, the protection assembly comprises a magnetic interface and a protection cover, and the protection cover is movably connected in sliding grooves in the two sides of the annular shell through clamping grooves; the magnetic interface is fixedly adhered to the contact end of the protective cover; and a fixing assembly is arranged at the upper part of the shell above the irradiation mechanism. According to the pressure pipeline detection device, the protection device is arranged at the ray emission port, the protection device can protect the fragile emission port, the protection shell is used for absorbing impact force to protect the ray emission port from being damaged, the pressure pipeline detection de