Shape memory polymer-based air filling extensible wing and methods for manufacturing same
A technology of memory polymer and production method, which is applied in the directions of wings, wing adjustment, aircraft parts, etc., can solve problems such as the inability to meet the flight strength and stiffness of aircraft, damage and air leakage of wings, and achieves high deployment reliability and materials. Light weight and improved flight effect
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specific Embodiment approach 1
[0028] Specific implementation mode one: as figure 1 with 2 As shown, the inflatable expandable wing based on shape memory polymer described in this embodiment is composed of a wing frame 1, a closed inflatable airbag 2 and a flexible skin 3, the closed inflatable airbag 2 is arranged in the skeleton 1, and the flexible skin 3 is clad on the outer surface of the skeleton 1, and the wing skeleton 1 is made of shape memory polymer.
[0029] The inflatable airbag 2 can be connected by a plurality of independent unit inflatable airbags (that is, the closed inflatable airbag 2 inside the wing frame 1 is connected to each other by several airbags, and after inflation, it provides internal pressure for the deployed wing). The spaces between the ribs form the cavities inside the wing for the placement of the unit inflatable airbags. In addition, skins are placed and fixed on the upper and lower surfaces of the wings, and flexible skins are placed on the outside of the wings to impro...
specific Embodiment approach 2
[0031] Specific implementation mode two: as figure 1 with 2 As shown, the wing skeleton 1 in this embodiment is composed of a plurality of ribs 1-1 and a plurality of spars 1-2, and the plurality of ribs 1-1 is a group of wings whose geometric shapes gradually become larger The ribs 1-1 are any shape in the NACA airfoil series, and multiple spars 1-2 and multiple ribs 1-1 are criss-crossed and fixed together to form a cylindrical net shape. skeleton. Other components and connections are the same as those in the first embodiment.
specific Embodiment approach 3
[0032] Specific implementation mode three: as figure 1 with 2 As shown, the number of the plurality of ribs 1-1 in this embodiment is eight, and the number of the plurality of spars 1-2 is four. Other components and connections are the same as those in the second embodiment.
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