Measuring device and method for surface defect of main pump spindle of nuclear power plant

• Main Authors: ZHOU QIAOCHAN, LUO LIANGGAI, CHEN HAIBING, LU WENHUA, QIAN ANJIA, LU HUIQIANG, SHI LEI, ZHU LEI, MA YUEFENG, CHENG WEIGUO
• Format: Patent
• Language: Chinese; English
• Published: 15.12.2017
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention provides a measuring device for a surface defect of a main pump spindle of a nuclear power plant. The measuring device comprises a keyphasor mark, a key phase sensor, a vibrating sensor, a signal receiving and processing unit, and a display terminal, wherein the keyphasor mark is arran...