Brake valve group of wind power main shaft

• Main Authors: ZHANG XIANGCHENG, JIN JIAWEI, NIU WEIPENG, WANG XIAOSONG
• Format: Patent
• Language: Chinese; English
• Published: 16.12.2022
• 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; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The utility model discloses a wind power main shaft brake valve group which comprises a valve block, a pressure oil port, a one-way valve, an electromagnetic valve, a ball valve, an overflow valve, a first damper and a second damper. The pressure oil port is formed in the side face of the valve block. The one-way valve is arranged on the side face of the valve block. The input end of the one-way valve is connected with the pressure oil port. The electromagnetic valve is arranged on the side face of the valve block, an inlet of the electromagnetic valve is connected with the output end of the one-way valve, a first outlet of the electromagnetic valve is connected with an oil cylinder of the wind power spindle brake, and a second outlet of the electromagnetic valve is connected with the oil tank. One end of the ball valve is connected with the output end of the one-way valve, and the other end of the ball valve is connected with the oil tank. According to the wind power main shaft brake valve set, a pressure re