Reconstruction of unknown mechanisms of a pagoda clock in the Forbidden City

Reconstruction of unknown mechanisms of a pagoda clock in the Forbidden City
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故宫宝塔钟的未知机制重建

DOI:
10.1016/j.mechmachtheory.2021.104469
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发表时间:
2022
影响因子:
5.2
通讯作者:
Li Y
Li Y
中科院分区:
工程技术1区
文献类型:
--
作者:
Li Y

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相似文献

古代欧洲的自动机械钟是制造技术的标志之一,出口到亚洲的时钟提供了当时文化交流的证据。镶宝石的镀金铜升降亭钟是英国制造并于18世纪世纪出口到中国的精巧机械作品之一。虽然它在北京紫禁城(现故宫博物院)保存完好,但由于其历史价值,其内部机械结构不向公众开放。为了重建附在钟上的宝塔自动机,根据其他四个具有类似自动机的钟的文本记录,提出了结构分析。本文提出了一种系统的设计方法。通过泛化、特殊化和特殊化,综合出可行的机制。其结果是,九个,三个和四个可行的机构与连杆,齿轮和凸轮,分别产生。选择一个输出运动范围最大的可行设计,并进行尺度综合,以实现运动特性。通过样机测试验证了其性能。
The ancient European mechanical clock with automata is one of the indicators of manufacturing technology, and the clocks exported to Asia offer evidence of cultural exchange at that time. The Gilded Copper Rising and Falling Pavilion Clock Inlaid with Gemstones is one of the ingenious mechanical work made in Britain and exported to China in the 18th century. Although it's well preserved in the Forbidden City in Beijing (Palace Museum currently), the internal mechanical structure is not open to the public, because of its historical value. In order to reconstruct the pagoda automaton attached to the clock, structural analysis is presented according to the text records of the other four clocks with similar automata. A systematic design approach is proposed herein. The feasible mechanisms are synthesized by going through generalization, specialization, and particularization. As the result, nine, three, and four feasible mechanisms with linkage, gear, and cam are generated, respectively. One of the feasible designs with the largest output motion range is selected, and dimensional synthesis is made to achieve the motion characteristics. Its performance is verified through prototype testing.
DOI: --
发表时间: 2017
期刊:
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