Linear testing fixture

The utility model discloses a line-shaped detection tool. The line-shaped detection tool comprises a base, a bearing assembly and a detection assembly. The bearing assembly and the detection assembly are fixedly connected with the base, the vertical axis of the bearing assembly is parallel to the vertical axis of the detection assembly, and the bearing assembly and the detection assembly are both perpendicular to the plane of the base; the bearing assembly is used for fixing a to-be-detected taper hole drill bit, and the detection assembly is used for carrying out quality detection on the to-be-detected taper hole drill bit fixed on a bearing. According to the utility model, the line-shaped testing fixture can be used for quickly and efficiently testing the quality of the conical drill bit on the eccentricity of the tail taper hole and the head outer circle of the conical drill bit to be tested. 本实用新型公开了一种一字形检具，所述一字形检具包括：底座、轴承组件以及检测组件；所述轴承组件和所述检测组件与所述底座固定连接，所述轴承组件的竖直轴线与所述检测组件的竖直轴线平行，且均垂直与底座的平面；所述轴承组件用于固定待检锥孔钎