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本文应用功率键合图法建立了全路面起重机整机空间立体振动系统模型，在随机路面下对起重机进行了振动分析，结果表明油气悬挂与钢板悬挂相比，能够较好地改善起重机的行驶平顺性和操纵安全性。
In this paper, the model of full-space three-dimensional vibration system of all-terrain crane is established by using the power bond graph method. The vibration analysis of the crane under random pavement shows that the hydropneumatic suspension can better improve the smooth running of the crane compared with steel suspension Sex and manipulation safety.