Anti-winding device of cross-hole detector

The utility model relates to an anti-winding device of a cross-hole detector, and belongs to the field of anti-winding devices of cross-hole detectors. The detector comprises a detector body, the detector body comprises a support, a chuck and a counter, the support is provided with a horizontally hinged supporting plate, and the angle between the supporting plate and the support can be adjusted. A guide assembly is arranged on the side, close to the top of the support, of the supporting plate and comprises a first guide pipe away from the side of the support and a second guide pipe close to the side of the support, the first guide pipe abuts against the plane of the supporting plate, a pipe opening is rotationally connected with a pulley, and the end connected with the pulley can rotate in the direction close to and away from the side wall of the supporting plate. The second guide pipe is detachably connected to the plane of the supporting plate, a pipe opening is located at the position corresponding to the