Yarn hanging wire detection tool

The utility model relates to the technical field of yarn hanging wire detection, in particular to a yarn hanging wire detection tool which comprises a hanging column, a limiting frame, a porcelain eye plate and a photoelectric sensor. The limiting frame and the davit are parallel to each other and are arranged at intervals of a plurality of yarn guide plates; the porcelain eye plates are located between the hanging column and the limiting frame, are perpendicular to the yarn guide plate and are horizontally arranged, and the multiple porcelain eye plates are arranged in the length direction of the yarn guide plate at equal intervals. A porcelain eye hole is formed in the porcelain eye plate corresponding to the yarn guide hole in the yarn guide plate, a baffle is arranged at the end, close to the hanging column, of the porcelain eye plate, the baffle is rotationally arranged on the hanging column, the end, away from the baffle, of the porcelain eye plate is in lap joint with the limiting frame, and the yarn d