Detector mounting clamp

The invention discloses a detector mounting clamp which comprises a mounting clamping seat and a multi-section telescopic rod. The mounting clamping seat is provided with two opposite clamp cup bodies rotationally connected through a rotating shaft. A containing cavity for containing a detector is formed by the two clamp cup bodies. Rubber clamp teeth abutting against the outer side of the detector are arranged on clamping faces of the two clamp cup bodies. A limiting switch is arranged on the multi-section telescopic rod. A clamp pull wire is in matched connection with the rotating shaft through the limiting switch so as to fix rotation of the two clamp cup bodies, that is, the clamp pull wire is pulled, and the two clamp cup bodies rotate to be expanded or contracted to achieve the caliber conforming to the size of the detector, so that the detector is placed in the containing cavity to be mounted. By means of the arranged multi-section telescopic rod, the detector mounting clamp can adapt to mounting of de