一种家用别墅电梯的井道布置及轿架结构设计

A kind of Domestic Villa Lift's Well Layout and Car Frame Structure Design

  • 摘要: 当前别墅电梯市场中非标需求不断增多,尤其是小顶层和小底坑等特殊井道尺寸的应用日益广泛。为了满足用户对电梯定制化的需求,该文提出了一种家用别墅电梯方案。该方案能够满足GB/T 21739-2008《家用电梯制造与安装规范》对别墅电梯的总体要求。结合别墅建筑井道的结构特点及现有电梯技术,提出了一种创新性的井道布置方案,在满足家用电梯轿顶和底坑避险空间要求的同时,提高了井道空间利用率。在轿厢结构设计方面,采用龙门架式轿架结构和2∶1绕绳比方式,并设计了底托隐藏式悬吊结构,有效降低了下梁高度,从而适应小底坑深度的应用需求。最后,利用有限元分析软件ANSYS Workbench对轿架在静载工况下的力学特性进行了分析,验证了该设计方案的可行性及结构合理性。

     

    Abstract: In the current villa elevator market, nonstandard requirements are increasing continuously, especially the application of special well dimensions such as small overhead clearance and shallow pits. To meet the users' demands for customized elevators, this paper proposes a residential villa elevator scheme. The proposed scheme complies with the general requirements of GB/T 21739-2008 Code for the Manufacture and Installation of Home Elevators. Based on the structural characteristics of villa building wells and existing elevator technologies, an innovative well layout scheme is presented. While satisfying the safety space requirements for car top and pit of a home elevator, the proposed layout improves the utilization efficiency of the well space. In terms of car structure design, a gantry-type car frame with a 2∶1 roping ratio is adopted, and a concealed bottom-support suspension structure is designed, which effectively reduces the height of the lower beam and thus meets the application requirements of shallow pit depths. Finally, the mechanical characteristics of the car frame under static load conditions are analyzed using the finite element analysis software ANSYS Workbench, verifying the feasibility and structural rationality of the proposed design scheme.

     

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