Bulb tubular water turbine generator set runner connecting bolt fracture warning device

• Main Authors: LI WEN, CHEN NANWEN, SHEN FAN, LUO ZHENYE
• Format: Patent
• Language: Chinese; English
• Published: 27.03.2013
• Subjects: ALARM SYSTEMS; BLASTING; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; ORDER TELEGRAPHS; PHYSICS; PRODUCING MECHANICAL POWER; SIGNALLING; SIGNALLING OR CALLING SYSTEMS; WEAPONS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

A bulb tubular water turbine generator set runner connecting bolt fracture warning device is characterized in that two to three connecting bolt fracture warning devices provided by the invention are installed on a runner main shaft seal base plate opposite to a connecting bolt reference circle, a fracture tube in the warning device penetrates through the runner main shaft seal base plate and is supported by a support tube and a connecting seat of the fracture tube, inner threads are arranged in the support tube and the connecting seat, external threads are arranged at two ends of the fracture tube, a ring groove is arranged at one end of the fracture tube, the end of the fracture tube extends out of the support tube, and the other end of the fracture tube is connected with a control valve and a signal generator. The bulb tubular water turbine generator set runner connecting bolt fracture warning device can send a signal rapidly when a bolt fractures, so that monitoring staff can adopt response measures timely