Angle-type guide vane opening degree measurement device

The invention relates to an angle-type guide vane opening degree measurement device, and the device comprises a digital display angle ruler. One end of one of two measuring arms of the digital displayangle ruler is hinged to one end of the other one of the two measuring arms. The two measuring arms are provided with calipers which extend out of the other ends of the measuring arms, and the end parts of the calipers are provided with sharp parts. The lengths of the two measuring arms are consistent, and the lengths of the parts, extending out of the measuring arms, of the two calipers are consistent. The device provided by the invention can directly read the value on the digital display angle ruler, completes the measurement and reading simultaneously, reduces the errors, is high in measurement efficiency, is simple in operation, is convenient to use, is high in measurement precision, and reduces the requirements for an operator. 本发明涉及种角度式导叶开度测量装置，包括数显角度尺，所述数显角度尺两测量臂其中端相铰接，两测量臂上设置有从测量臂另端延伸出的卡尺，卡尺的端部设置有尖部，两测量臂长