Turbine blade vibration measurement test device

• Main Authors: CHENG XUELIANG, LI GUANGLEI, HU BINGNAN, LIANG TIANFU, SHAO CHONGHUI, XUE HAILIANG, SHEN ZICHAO, LI HONGLIANG, SEKI JUN
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2024
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES; MEASURING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; PHYSICS; STANDS OR SUPPORTS; STEAM ENGINES; TESTING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a steam turbine blade vibration test device, belongs to the technical field of steam turbines, and aims to solve the problem that a blade vibration fixing device only provides a position for radial installation of a sensor. Comprising a guide rail and a sliding block assembly, the sliding block assembly comprises a sliding block body, a left baffle and a right baffle, the left baffle and the right baffle are connected through bolts, one end of the left baffle and one end of the right baffle are fixed to a vibration sensor, and the other end of the left baffle and the other end of the right baffle are combined to form a regular quadrangular prism structure; the guide rail is fixed on the channel steel support through a second supporting rod, a square groove hole is formed in the sliding block body, and the regular quadrangular prism structure is matched with the square groove hole and fixed through a bolt, so that the measuring head of the vibration sensor faces the radial direction