Analysis of Links Positions in Landing Gear Mechanism
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Cracow University of Technology Faculty of Mechanical Engineering Institute of Machine Design Jana Pawla II 37, 31-864 Cracow, POLAND
Online publication date: 2014-09-02
Publication date: 2014-08-01
International Journal of Applied Mechanics and Engineering 2014;19(3):503-512
This article contains a kinematic analysis of an aircraft chassis mechanism in a range of positions. The mechanism of the chassis is made up of several smaller subsystems with different functions. The first mechanism is used to eject the chassis before landing (touchdown) and fold it to hatchway after the lift off. The second mechanism is designed to perform rotation of the crossover with the wheel, in order to adjust the position of the wheel to fit it in the limited space in the hold. The third mechanism allows movement of the chassis resulting from the change in length of the damper. To determine the position of the following links of the mechanism calculus of vectors was applied in which unit vectors were used to represent the angular position of the links. The aim of the analysis is to determine the angle of convergence and the angle of heel wheels as a function of the variable length of hydraulic cylinder, length of the shock absorber, length of the regulations rods
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