Butt joint test device and test method for wing root lower wall plate of aircraft wing with dihedral angle

• Main Authors: HE TIREN, MA ZHIYANG, TANG JIANFEI, CHEN PUHUI, TANG PING, XU JIFENG
• Format: Patent
• Language: Chinese; English
• Published: 26.11.2021
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a butt joint test device and test method for a wing root lower wall plate of an aircraft wing with a dihedral angle, and relates to the technical field of aircraft lower wall plate butt joint test, and the device comprises: a test piece which comprises an outer wing side wall plate and a central wing side wall plate which are transversely arranged, wherein the outer wing side wall plate and the central wing side wall plate are fixedly connected through a connector; a fixing unit which is connected with the central wing side wall plate and is used for fixing the test piece; a support unit which is connected with the connector and is used for providing support for the test piece; and a lever unit which is connected with the outer wing side wall plate and is used for transmitting and amplifying an external load. According to the invention, the actual force transmission path of the lower wall plate of the wing root connection area can be simulated more accurately, and the analysis method o