基于虚拟样机技术的装配式钢桥展桥机构仿真与优化

doi:10.3969/j.issn.1000-1093.2015.11.023

兵工学报 ›› 2015, Vol. 36 ›› Issue (11): 2173-2179.doi: 10.3969/j.issn.1000-1093.2015.11.023

基于虚拟样机技术的装配式钢桥展桥机构仿真与优化

曾繁琦，王强，何晓晖

(解放军理工大学野战工程学院, 江苏南京 210007)

收稿日期:2015-04-08 修回日期:2015-04-08 上线日期:2016-02-02
作者简介:曾繁琦(1990—)男硕士研究生
基金资助:
武器装备预先研究项目（40407010405）；总参谋部科技创新站项目（NJCX-RW-20130239）

Simulation and Optimization of Expanding Device of an Assembled Steel Bridge Based on VirtualPrototyping Technology

ZENG Fan-qi， WANG Qiang， HE Xiao-hui

(College of Field Engineering, PLA University of Science and Technology, Nanjing 210007， Jiangsu， China)

Received:2015-04-08 Revised:2015-04-08 Online:2016-02-02

摘要/Abstract

摘要： 为了改善某型装配式钢桥架设和撤收过程中展桥机构的工作性能，基于虚拟样机技术建立了展桥机构和桥节的参数化模型，通过实验设计得出了影响展桥机构性能的4个主控设计变量，并以翻转液压缸极限载荷为优化目标对展桥机构进行了优化设计。结果表明：按优化方案增大展桥机构尺寸9.19%的条件下可有效降低关键杆件的峰值负载28.6%，进而改善关键杆件的受力状态，使展桥机构的整体性能得到了显著改善。

关键词: 工程力学, 装配式钢桥, 展桥机构, 虚拟样机技术, 优化设计

Abstract: To improve the working capability of the bridge expanding device during the bridging and withdrawing process of an assembled steel bridge, the parameterized models of the bridge expanding device and bridge sections are established based on the virtual prototyping technology, and 4 key design variables which have significant effects on the performance of the expanding device are chosen and verified. The optimization design of the device is further carried out by the limit loads of hydraulic cylinders being selected as the optimization target. It is found that , when the bridge expanding device is increased by 9.19% in size according to the optimization project, the maximum loads of its linkage rods can be effectively reduced by 28.6%, and the stress states of the key rods are improved, then the overall performance of the assembled steel bridge expanding device is significantly improved.

Key words: engineering mechanics, assembled steel bridge, bridge expanding device, virtual prototyping technology, optimization design

中图分类号:

TP391.9

曾繁琦，王强，何晓晖. 基于虚拟样机技术的装配式钢桥展桥机构仿真与优化[J]. 兵工学报, 2015, 36(11): 2173-2179.

ZENG Fan-qi， WANG Qiang， HE Xiao-hui. Simulation and Optimization of Expanding Device of an Assembled Steel Bridge Based on VirtualPrototyping Technology[J]. Acta Armamentarii, 2015, 36(11): 2173-2179.

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基于虚拟样机技术的装配式钢桥展桥机构仿真与优化

Simulation and Optimization of Expanding Device of an Assembled Steel Bridge Based on VirtualPrototyping Technology

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