Thls paper introduces data and result about structure design of the lifting beam, its strength check, nondestructive test, strain measuring and stress analysis.

本文介绍吊梁的结构设计与强度校核、无损检验、吊装过程应变测试及应力分析等方面的数据和结果。

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Through test and analysis of working stress on balance beam and lengthwise beam of dozer frame, a strength design method and the basis for compiling load spectrum are given in the paper.

通过对推土机平衡梁和车架纵梁的工作应力测定与分析，掌握了推土机的强度设计方法，为编制载荷谱打下基础。

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The results show that beam offset can greatly affect the macro performance of Laser tailor-welded weld , then affect the cupping Test value and tensile strength unconspicuous.

结果表明，光束偏移量对激光焊缝宏观形貌有很大的影响，而对焊缝杯突值及抗拉强度无明显影响。

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