Special cambered surface plug gauge ruler

The utility model relates to a special cambered-surface plug gauge ruler, which relates to the field of plug gauges and comprises a handle, a cambered-surface plug gauge arranged at one end of the handle and provided with an inclined plane, and a cambered-surface ejector rod arranged on the inclined plane of the cambered-surface plug gauge. The device is simple in structure, easy to install and manufacture, easy to carry and convenient to operate. The cambered surface plug ruler is in a curved surface shape and can be plugged into a gap between a circular brake wheel and a damper brake, so that the functional requirements of measurement and inspection are met. 本实用新型涉及一种特种弧面塞规尺，涉及塞规尺的领域，其包括把手、设于把手一端并设有斜面的弧面塞规、以及设于弧面塞规斜面上的弧面顶杆。本实用新型结构简单，易于安装与制造，易于携带，操作方便。弧面塞规尺呈曲面形状，可塞入圆形制动器轮与制动闸之间的间隙，实现测量和检验的功能要求。