Heat exchange tube fixing device

The utility model discloses a heat exchange tube fixing device, which belongs to the technical field of heat exchange tubes and comprises a heat exchange tube, a first fixing sleeve is slidably connected to one side of the cylindrical surface of the heat exchange tube, and a second fixing sleeve is slidably connected to one side of the cylindrical surface, far away from the first fixing sleeve, of the heat exchange tube. The two ends of one side of the first fixing sleeve and the two ends of one side of the second fixing sleeve are rotationally connected with a plurality of fixing plates, and the other side of the first fixing sleeve and the other side of the second fixing sleeve are provided with quick fixing structures. The first fixing plate and the second fixing plate are combined by pulling the fixing plates, the rotary knob is pushed, the limiting convex plate connected with the connecting shaft slides in the limiting groove and the limiting notch plate, after the limiting convex plate reaches the secon