Smoke detector auxiliary installer

The utility model relates to the technical field of building construction, in particular to a smoke sensor auxiliary installer which comprises an installation rod and an installation head, the installation head is arranged at the upper end of the installation rod and comprises a positioning claw, a fixing sleeve and an adjusting sleeve, a flange is arranged at the upper end of the fixing sleeve, external threads are arranged on the outer wall of the flange, and the positioning claw is arranged on the outer wall of the adjusting sleeve. The adjusting sleeve is provided with internal threads matched with the external threads and is in threaded connection with the fixing sleeve, a positioning claw mounting frame is fixedly arranged in the fixing sleeve, the positioning claws are evenly distributed in the circumferential direction of the positioning claw mounting frame, one ends of the positioning claws are hinged to the positioning claw mounting frame, and positioning claw pressing pieces are arranged at the upp