【摘要】：為了解決無卸荷槽的內(nèi)置式齒輪泵的齒圈斷裂的問題,利用三維建模軟件建立齒輪泵模型,通過FLUENT進(jìn)行內(nèi)部流場仿真,得到分別開設(shè)無卸荷槽、對稱式卸荷槽和偏置式卸荷槽齒輪泵的最高困油壓力值,并計算出3種泵的容積效率,驗(yàn)證了采用偏置式卸荷槽的泵能很好地解決困油問題且能提高泵的容積效率。通過計算設(shè)計出偏置卸荷槽的偏移位置,并進(jìn)行樣機(jī)試驗(yàn)驗(yàn)證。經(jīng)比較試驗(yàn)結(jié)果與仿真結(jié)果相近,這為設(shè)計內(nèi)置式齒輪泵提供了參考。
[Abstract]:In order to solve the problem of gear ring fracture of built-in gear pump without unloading slot, the model of gear pump was established by using 3D modeling software, and the internal flow field was simulated by FLUENT. The maximum trapped oil pressure of symmetrical unloading groove and offset unloading groove gear pump is calculated, and the volume efficiency of three pumps is calculated. It is proved that the pump with offset unloading groove can solve the problem of oil trap and improve the volume efficiency of pump. The offset position of the offset unloading slot is designed by calculation, and the prototype test is carried out. The comparison between the experimental results and the simulation results provides a reference for the design of the built-in gear pump.
【作者單位】： 北京科技大學(xué)機(jī)械工程學(xué)院;
【分類號】：TH137.51

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