Air tightness detection device for heat energy pipe

The invention discloses a heat energy pipe air tightness detection device, and particularly relates to the technical field of heat energy equipment production detection, the heat energy pipe air tightness detection device comprises a shell, a window is arranged on the front side surface of the shell, a comparison plate is arranged on the rear side surface in the shell, openings are formed in the two ends of the shell, and a fixing ring is fixedly arranged on the inner side of one opening; a sealed smoke inlet mechanism is arranged at one end of the shell, and a head sealing mechanism is arranged at the other end of the shell; the sealed smoke inlet mechanism comprises a support, a rotating shaft is arranged in the support, a first driving motor is fixedly arranged at the end of the rear side face of the rotating shaft, and a sliding rail is fixedly arranged on the surface of one side of the rotating shaft. The pipeline is sealed through the sealed smoke inlet mechanism and the sealing head mechanism, then the