Device and method for monitoring running state of main shaft of wind turbine generator

• Main Authors: WANG ZHANKUN, MIAO DAQING, WANG CHENNUO, NIU ZHAOXIN
• Format: Patent
• Language: Chinese; English
• Published: 25.04.2023
• Subjects: BLASTING; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; WEAPONS; WIND MOTORS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

The invention relates to the technical field of wind power generation, in particular to a wind turbine generator main shaft running state monitoring device and a monitoring method thereof.The wind turbine generator main shaft running state monitoring device comprises a wind turbine generator tower body and a cabin arranged at the top end, a main shaft is arranged in the cabin, and a monitoring assembly is arranged in the cabin and located on the outer side of the main shaft in a sleeving mode and used for monitoring the running state of the main shaft; the monitoring assembly comprises two arc-shaped plates which are spliced with each other, the splicing faces of the two arc-shaped plates are provided with an inserting groove and an inserting rod correspondingly, a tower cavity is formed in the tower body, a fixing plate is installed on the inner wall of the bottom end of the tower cavity, a mounting groove is formed in one face of the fixing plate, fixing assemblies are symmetrically arranged on the inner wa