Horizontal dynamic modeling and vibration characteristic analysis for nonlinear coupling systems of high-speed elevators and guide rails

다국어 초록 (Multilingual Abstract)

To study the horizontal vibration characteristics of high-speed elevators, a 6-DOF horizontal dynamic model of the nonlinear coupling system of guide rails, guide shoes, and elevator cabin was established. Four kinds of guide rail excitation models, namely, sinusoidal, triangular, stepped, and pulsed excitation, were established through an error and contact analysis of guide rails and rollers. The factors that influenced the horizontal vibration response, such as excitation models, stiffness of guide shoes, and cabin parameters, were analyzed by solving the vibration acceleration of the coupling system. Vibration acceleration was measured through experiments to verify the theoretical results. The vibration acceleration of the no-load elevator under stepped excitation was the largest. Reducing the stiffness of the guide shoes and straightness error of guide rails, reasonably arranging the spacing between the guide shoes at the top and bottom of the cabin, and increasing the cabin weight were beneficial to reducing the horizontal vibration response of the elevator cabin.

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