Spherical airtight end frame with large opening

The invention provides a spherical airtight end frame with a large opening. The spherical airtight end frame comprises an opening frame structure (1) and a spherical reinforced structure (2). The opening frame structure (1) comprises an upper sill beam (11), a lower sill beam (12), main vertical bea...

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Bibliographic Details
Main Authors LIU XIAOYAN, TAN JIAN, YANG WEI, PENG SHICHONG, KUANG CHUNWEI
Format Patent
LanguageChinese
English
Published 08.01.2021
Subjects
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The invention provides a spherical airtight end frame with a large opening. The spherical airtight end frame comprises an opening frame structure (1) and a spherical reinforced structure (2). The opening frame structure (1) comprises an upper sill beam (11), a lower sill beam (12), main vertical beams (13), auxiliary vertical beams (14) and connecting partition plates (15). The spherical reinforced structure (2) comprises a spherical skin (21), a plurality of spokes (22) and an annular reinforcing beam (23). The upper sill beam (11), the lower sill beam (12) and two main vertical beams (13) are arranged around the periphery of an opening, two auxiliary vertical beams (14) are further arranged on the two sides of the two main vertical beams (13), and a plurality of connecting partition plates (15) are arranged between the main vertical beams (13) and the auxiliary vertical beams (14). The spokes (22) and the annular reinforcing beam (23) are arranged on one side of a pressurizing cabinof the spherical skin (21
Bibliography:Application Number: CN202011289850