Yarn tension detection device for woolen sweater

The utility model relates to the technical field of woolen sweaters, in particular to a yarn tension detection device for a woolen sweater, which comprises a tension meter and further comprises a mounting seat. The guide rail is fixedly mounted on the top surface of the mounting seat, and two guide grooves are symmetrically formed in the top surface of the guide rail; the two displacement assemblies comprise moving plates, the outer ends of the moving plates are connected with the ends of the tension meter, the two sides of the inner ends of the moving plates are fixedly connected with sleeves, the inner ends of the moving plates are fixedly connected with two displacement parts, and the interiors of the displacement parts are movably connected with extrusion plates; and the winding piece is used for winding and fixing the yarn to be detected and comprises a rotating shaft, and two winding wheels are symmetrically arranged in the middle of the rotating shaft. By means of the winding piece, in the tension dete