剪叉式升降机举升机构分析与优化 |
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引用本文: | 胥军,李刚炎,杨飞,杨保安.剪叉式升降机举升机构分析与优化[J].机械科学与技术(西安),2013,32(6). |
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作者姓名: | 胥军 李刚炎 杨飞 杨保安 |
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作者单位: | 武汉理工大学机电工程学院,武汉,430070 |
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基金项目: | 中央高校基本科研业务费专项资金项目,武汉市青年科技晨光计划项目 |
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摘 要: | 描述了剪叉式升降机举升机构整体运动情况,然后分别针对举升油缸、升降平台的运动过程进行了详细分析;通过举升机构的受力分析,得到了受力最大的绞点;最后通过对剪叉杆的强度进行校核和对举升油缸的安装位置进行调整,提出了该机构的结构优化方案,经现场实测验证,经优化后不仅提高了举升机构的稳定性,机构对油缸的推力要求也得到了大幅降低。
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关 键 词: | 剪叉式升降机 举升机构 结构优化 |
Analysis and Optimization for Lifting Mechanism of Scissor-fork Lifter |
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Abstract: | Key structure parameters were verified and optimized through Kinematic analysis and mechanical analysis for the lifting mechanism of a common scissor-fork lifter.The whole movement of the mechanism was described firstly,and then detailed analysis was performed for the lift cylinder and the lifting platform.The maximum stress point was obtained through load bearing analysis for the lifting mechanism.Finally,optimizing scheme was presented based on strength checking for the scissor rod and adjusting installation point of the lift cylinder.The results of in-situ test showed that the stability of lifting mechanism was improved and the demand on the driving force of hydraulic cylinder was greatly reduced. |
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Keywords: | optimization mechanisms scissor-fork lifter lifting mechanism structure optimization |
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