Abstract
An air suspension platform uses air pressure to realize the suspension function during the suspension process, and it has the disadvantage of large air pressure and a small suspension force. In this study, an air suspension platform was built using bionic design to reduce the required air pressure and increase the suspension force. A suspension structure mapping model was established according to the physiological structure characteristics of albatross wings. A bionic model was established by using the theoretical calculation formula and structural size parameters of the structural design. A 3D printer was used to manufacture the physical prototype of the suspended workpiece. Based on this, a suspension test rig was built. Six sets of contrast experiments were designed. The experimental results of the suspension test bench were compared with the theoretical calculation results. The results show that the buoyancy of the suspended workpiece with a V-shaped surface at a 15-degree attack angle was optimal for the same air pressure as the other workpieces. The surface structure of the suspended workpiece was applied to the air static pressure guide rail. By comparing the experimental data, the air pressure of the original air suspension guide rail was reduced by 37%, and the validity of the theory and design method was verified.
Highlights
Air suspension technology is a technique that uses the buoyancy provided by flowing airflow to overcome gravity to suspend an object
Air suspension technology is widely used in bearings, guide rails, compressors, trains, blowers, glass transport equipment, metal smelting, and other aspects [1,2,3,4,5,6,7]
Air suspension technology needs to provide a large airflow to complete this movement, and it is necessary to reduce the airflow required for the work and at the same time ensure the normal operation of the air suspension workpiece
Summary
Air suspension technology is a technique that uses the buoyancy provided by flowing airflow to overcome gravity to suspend an object. Cheng-Yu et al based on bionics principle to design a floating platform for the growth of the leading edge of the ear wing, changing the aerodynamic performance, improving the suspension capacity, and reducing the required air pressure [14]. Ren and Li adopted the surface structure of bionic scorpion wings, which was applied to the design of micro-aircraft to improve the upward lift during flight [15]. Because albatross wings have a special surface structure, the tendons of the wings can be straightened when their wings are opened, resulting in a low probability of dynamic soaring forward and sinking when flying [21,22,23,24] Researchers such as Richardson have introduced the unique role of the albatross in the flight mechanism and the idea that feathers are an important part of the wings of an albatross. The design theory and the experimental results of the bionic design suspended workpiece are summarized
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