Control device for pressure regulating valve and guide vane of water turbine

• Main Authors: XIONG WEI, ZHOU YING, ZHU MINGGUANG, ZHANG DEJIAN, FANG BINCHEN, XIE JUNHAI, GE JINGJING, YANG LE, GAO XIONG
• Format: Patent
• Language: Chinese; English
• Published: 10.02.2023
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

The utility model relates to the technical field of hydraulic control, and provides a control device for a pressure regulating valve and a guide vane of a water turbine, which comprises a pressure regulating valve servomotor, a guide vane servomotor and a hydraulic valve assembly, the guide vane servomotor is used for controlling the action of the guide vane; the hydraulic valve assembly is used for controlling the opening or closing of the pressure regulating valve servomotor and the guide vane servomotor according to the hydraulic signal; the pressure regulating valve servomotor and the guide vane servomotor each comprise an opening cavity and a closing cavity, and the hydraulic valve assembly is connected to the opening cavity of the pressure regulating valve servomotor, the closing cavity of the pressure regulating valve servomotor, the opening cavity of the guide vane servomotor and the closing cavity of the guide vane servomotor through pipelines. According to the control device for the pressure regulat