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大型礦用正鏟液壓挖掘機水平推壓特性聯(lián)合仿真
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國家自然科學基金資助項目（50775156）和山西省科技攻關(guān)資助項目（20100321025）


Co-simulation of Flat-pushing Characteristics of Large Mining Face-hovel Hydraulic Excavator
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    摘要:

    在設(shè)計目前國內(nèi)最大(斗容量為15 m3，質(zhì)量260 t)的正鏟挖掘機中，提出采用泵閥復合流量匹配的電液比例控制方法實現(xiàn)水平推壓。通過計算機協(xié)調(diào)的比值關(guān)系確定平推中供給各液壓缸的流量，采用ADAMS和AMESim軟件，對設(shè)計的礦用挖掘機水平推壓過程進行機械系統(tǒng)動力學與液壓系統(tǒng)的聯(lián)合仿真研究。在小型挖掘機上對斗桿挖掘過程各個液壓缸的位移、速度和壓力進行測試試驗驗證，結(jié)果表明聯(lián)合仿真研究能夠較準確地模擬挖掘機的真實工作環(huán)境。

    Abstract:

    The method of electro-hydraulic proportional controlling means matched by pump valve compound flow rate was proposed to achieve flatpushing while designing the national largest faceshovel hydraulic excavator with the bucket capacity of 15 m3 and machine weigh of 260 t. The ratio of hydraulic cylinders-flow rate was ascertained by computer coordinate control during the flat-pushing process, the co-simulation research of dynamics of mechanical systems and hydraulic system in developing mining excavators flat-pushing process was carried out by using the software of ADAMS and AMESim. The displacement, velocity and pressure of arm mining process in various hydraulic cylinder on the small excavator were validated by the experiment. It is confirmed that co-simulation research methods can accurately simulate the practical working environment of excavator. 

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朱小晶,權(quán)龍,王新中,呂曉林,李光.大型礦用正鏟液壓挖掘機水平推壓特性聯(lián)合仿真[J].農(nóng)業(yè)機械學報,2011,42(5):30-34. Zhu Xiaojing, Quan Long, Wang Xinzhong,Lü Xiaolin, Li Guang. Co-simulation of Flat-pushing Characteristics of Large Mining Face-hovel Hydraulic Excavator[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(5):30-34.

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