關鍵字：三面翻、傳動系統、廣告牌、設計
Abstract：Outdoor advertising is a typical urban forms of advertising, with the social and economic development, outdoor advertising is not only the development of the advertising industry as a means of mass media, but the layout of modern urban environment is an important component. The design for the three billboards in the transmission system, three billboards side by side by a group composed of three prism, triangular prism can be made of aluminum, and can rotate around its central axis, the three ad screens were set up in the restructuring of The three prism surface to take advantage of the three prism can be formed three pictures side, turn the prism to change advertising display.
This article describes three billboards drive solution that can achieve a variety of flip effects, to achieve non-single flip effects, and complete the three billboards drive the structural parameters in the design of key components, including the design of transmission components, the axis design and verification, motor selection. The use of CAD software to complete the structure of the three billboards assembly drawing and related parts diagram, and the use of Pro / e software, three billboards on the three-dimensional drive system design.
Key words: Three sides、Transmission、Billboard、Design
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