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高空作业车变幅机构动态特性分析与仿真

DOI: 10.3969/j.issn.1674-0696.2014.03.34, PP. 161-165

Keywords: 机电工程,高空作业车,变幅机构,电液比例换向阀,平衡阀,动态仿真,electromechanicalengineering,aerialworkingplatform,luffingmechanism,electronichydraulicproportionalvalve,counterbalancevalve,dynamicalsimulation

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Abstract:

:？以某型高空作业车的变幅机构为研究对象，运用多领域仿真软件AMESim建立变幅机构的仿真模型，对变幅机掏的液压系统动态特性进行了仿真分析，通过使用双向外控式平衡阀，使变幅系统的性能得到很大程度的改善c研究结果表明:当使用双向外控式平衡阀时，在有外力扰动的情况下，间芯能够很快达到受力平衡，使进油流量保持恒定;平衡阔的开启压力要保持适中，太小的开启压力导致阅芯的载荷变化敏感性，从而引起变幅抖动。

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