Extractor track and sieve plate detection tool

The utility model relates to an extractor track and sieve plate detection tool which comprises a rectangular tube, two ends of the rectangular tube are placed on the upper surface of an extractor lower track, two ends of the rectangular tube are symmetrically provided with supporting plates extending backwards, the two supporting plates are respectively provided with a pair of rollers, each roller is respectively supported on the upper surface of the extractor lower track, and the rollers are arranged on the rectangular tube. The root of each roller is provided with a roller boss with the enlarged diameter, shoulders of the roller bosses abut against the opposite inner walls of the lower rail of the leacher respectively, the opposite inner walls of the two supporting plates are provided with a linear handle parallel to the axis of the rectangular pipe, and a probe is inserted along the axis of the linear handle. The free ends of the two probes penetrate through the corresponding supporting plates and symmetri