The invention belongs to the technical field of aircraft structure design, and relates to a cabin door connecting rod suitable for large-swing-angle folding and unfolding of the connecting rod. The cabin door connecting rod comprises a pull rod joint (1), a pull rod connecting bolt (4), a pull rod pipe fitting (7), a connecting joint (8) and a cross joint (11), one end of the pull rod joint (1) is connected with an undercarriage lug, the other end of the pull rod joint (1) is hinged to the pull rod connecting bolt (4), the other end of the pull rod connecting bolt (4) is sleeved with the pull rod pipe fitting (7) through threads, and the other end of the pull rod pipe fitting (7) is rotationally connected with the connecting joint (8). The connecting joint (8) is provided with two lugs, and the cross joint (11) is rotationally connected between the two lugs and used for being connected with a cabin door. The undercarriage and the cabin door are connected through the double universal joints, a large connecting rod swing angle can be achieved, and linkage of the cabin door can be adapted.
本申请属于飞机结构设计技术领域,涉及一种适应连杆大摆角收放的舱门连杆。该舱门连杆包括拉杆接头(1)、拉杆连接螺栓(4)、拉杆管件(7)、连接接头(8)及十字接头(11),拉杆接头(1)的一端连接起落架耳片,另一端铰接所述拉杆连接螺栓(4),拉杆连接螺栓(4)的另一端通过螺纹套接在拉杆管件(7)内,拉杆管件(7)的另一端转动连接所述连接接头(8),连接接头(8)具有双耳,双耳之间转动连接所述十字接头(11),十字接头(11)用于连接舱门。本申请通过双重万向节连接起落架和舱门,可实现大的连杆摆角,能够适应舱门联动。
Cabin door connecting rod suitable for large-swing-angle folding and unfolding of connecting rod
一种适应连杆大摆角收放的舱门连杆
14.02.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B64C AEROPLANES , Flugzeuge |
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