Clamping device for detecting ovality of circular tube

The utility model discloses a clamping device for round tube ovality detection, comprising a slide rail, a screw rod and a telescopic rod, the upper end of the slide rail is provided with a detectionframe, the lower end of the detection frame is provided with a detection box, the slide rail is internally provided with a support frame, and the interior of a limiting block is provided with a main gear. A first clamp is installed in front of the upper end of the first gear strip, a bearing frame is installed at the lower end of the rubber, a second clamp is arranged at the lower end of the bearing frame, a crank is arranged at the left end of the second gear strip, a rack seat is arranged at the upper end of the screw rod, and a fixing support is arranged at the right end of the telescopic rod. And a motor is arranged at the right end of the fixed bracket. Compared with an existing common clamping device for detecting the ovality of the circular tube, the clamping device for detecting the ovality of the circular