Sulfur hexafluoride pipe leakage point detection device

The invention provides a sulfur hexafluoride pipe leakage point detection device which comprises a telescopic pipe with an axial zipper, the telescopic pipe is sleeved on a sulfur hexafluoride pipe to be detected, and the sulfur hexafluoride pipe leakage point detection device is characterized in that the telescopic pipe is divided into a left section and a right section, the outer ends of the left section and the right section of the telescopic pipe are respectively provided with a rubber pipe sleeve, and the inner ends of the left section and the right section of the telescopic pipe are connected through a rotary movement detection mechanism; the rotary movement detection mechanism comprises two supporting rings which are arranged at intervals and fixed between the sulfur hexafluoride pipe and the inner ends of the left-section telescopic pipe and the right-section telescopic pipe respectively, the outer walls of the two supporting rings are sleeved with bearings respectively, a rotary sleeve provided with