Blade body prefabricated body structure containing metallic framework blade and manufacturing method of blade body prefabricated body structure

• Main Authors: ZHAO KUNPENG, ZHENG HUILONG, KANG ZHENYA, WANG YAN
• Format: Patent
• Language: Chinese; English
• Published: 09.01.2024
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; WEAPONS

The invention provides a blade body prefabricated body structure containing a metal framework blade and a manufacturing method, and belongs to the technical field of aero-engines. The blade body prefabricated body structure specifically comprises a metal framework blade body and a composite material braided fabric; the metallic framework blade body comprises a blade body main body, a front edge part and a rear edge part which are integrally arranged, the front edge part serves as a blade front edge of the metallic framework-containing blade, the rear edge part serves as a blade rear edge of the metallic framework-containing blade, and the parts, close to the blade body main body, of the front edge part and the rear edge part protrude out of a blade back and a blade basin of the blade body main body; the blade main body, the front edge part and the rear edge part form concave structures on the blade basin side and the blade back side of the metal framework blade body; a plurality of lightening holes are formed