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Position: Home > Articles > Design and Experiment of Hydro-pneumatic Spring of Tractor Cab Suspension Transactions of the Chinese Society for Agricultural Machinery 2014,45 (12) 32-36+49

拖拉机驾驶室悬架油气弹簧设计与试验

作  者:
朱思洪;李科;李朝全;吕宝占;徐刚
单  位:
鞍钢股份有限公司鲅鱼圈钢铁分公司;南京农业大学工学院;河南理工大学机械与动力工程学院
关键词:
拖拉机;驾驶室悬架;油气弹簧;设计;试验
摘  要:
基于CF700型拖拉机驾驶室悬架参数要求和流体力学理论建立了一种油气弹簧的弹性力及阻尼力模型。计算了油气弹簧关键参数,设计了阻尼可调的油气弹簧。试验研究了激励、节流阀开度及单向阀开度对油气弹簧输出力的影响。试验结果表明,所研制的油气弹簧有较大的阻尼力调节范围,节流阀开度同时对油气弹簧压缩与复原行程输出力有影响,单向阀开度只对压缩行程输出力有影响,节流阀开度对输出力影响较单向阀明显。试验验证了设计思路和方法的有效性,为拖拉机驾驶室油气悬架减振性能的研究奠定了基础。
译  名:
Design and Experiment of Hydro-pneumatic Spring of Tractor Cab Suspension
作  者:
Zhu Sihong;Li Ke;Li Chaoquan;Lü Baozhan;Xu Gang;College of Engineering,Nanjing Agricultural University;Bayuquan Subsidiary Company,Angang Company Ltd.;School of Mechanical and Power Engineering,Henan Polytechnic University;
关键词:
Tractor Cab suspension Hydro-pneumatic spring Design Experiment
摘  要:
Based on the requirement of CF700 tractor cab suspension parameters,the elastic force and damping force model of hydro-pneumatic spring was established using fluid mechanics theory. The key parameters of hydro-pneumatic spring were calculated,and the damping adjustable hydro-pneumatic spring was designed. The effect of the excitation,throttle valve size and check valve size on the output force were studied by experiments. Test result is shown that the damping force can be in a large range of adjustment. The throttle valve size had influence on output force of both compression and rebound stroke,while the check valve size just had influence on the output force of compression stroke,and the throttle valve size had more obvious influence on the output force. The effectiveness of design ideas and methods were verified,and the research base of tractor cab hydro-pneumatic suspension was provided.

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