China Yunda shares innovative breakthrough: new wind turbine bearing housing hoisting balancer obtained patent certification
Wind energy technology leader Yunda Co., Ltd. (stock code: 300772) recently obtained a utility model patent. The patent name is "Wind turbine bearing housing hoisting balancing auxiliary device". The patent application identification is CN202323506432.3. The official patent grant date is July 23, 2024.
Patent Highlights: This patent focuses on the field of wind power equipment, especially a dynamic balancing device used for lifting bearing housing in wind turbines. This innovative device is mainly composed of an adjustable counterweight system, including a guide rail frame, a movable counterweight frame, a counterweight block, an operating lever, tooling screws, a positioning clamp plate and a fastening nut. The counterweight frame can slide along the guide rail frame, and the counterweight block is fixed below. The tooling screws penetrate the guide rail frame and the positioning clamp plate, and the end is locked on the counterweight frame through a fastening nut. The operating lever is connected to the screw for easy manual adjustment. When lifting the bearing seat, you only need to simply turn the operating lever to quickly adjust the position of the counterweight to achieve lifting balance, significantly improve work efficiency, reduce installation time by 50%, and reduce wear on bolts and threaded holes. The unit is well designed, cost effective and easy to use.
Annual patent and R&D overview: So far, Yunda Co., Ltd. has received 67 new patent authorizations during the year, a decrease of approximately 22.09% compared with the same period last year. However, referring to the 2023 annual financial report, the company's investment in research and development reached 553 million yuan, a year-on-year increase of 7.9%.
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