Anti-falling-collision energy absorption support post under airplane floor
A floor and aircraft technology, applied to aircraft floors, aircraft parts, aircraft accessories, etc., to achieve stable energy absorption and high efficiency
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[0024] An energy-absorbing pillar for crash resistance under the floor of an aircraft, the structure of which is as follows Figure 1-2 As shown, two left-right symmetrical energy-absorbing struts 5 are installed under the cargo hold floor or passenger cabin floor of a typical cabin section of an aircraft. Initially, they respectively form an angle θ with the vertical direction. The energy-absorbing struts 5 include composite material tubes 11, and the upper ends pass through The bearing 3 and the base lug 2 are connected to the floor beam 1 , and the lower end is connected to the fuselage frame 8 through the fuselage frame connector 10 .
[0025] The connecting end of the composite material pipe 11 and the fuselage frame 8 is sleeved with an inverted connecting cap 6. The inner end surface of the inverted connecting cap 6 is provided with an inverting curved surface 14, and the inverting curved surface is connected with the inner wall of the inverted connecting cap. The compos...
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Abstract
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