12K, 120K, 140K and 160K Motor Graders Power Train Caterpillar


Gear Pump (Transmission Charging and Scavenge)

Usage:

120K JAP


图 1g01736954
齿轮泵(变速箱充油和回油)
(1) 变速箱扫油段
(2) 变速箱充油段

齿轮泵(变速箱充油和回油)为正排量泵。 两段齿轮泵通过螺栓固定在变速箱盖上,并由变速箱驱动。 变速箱扫油段 (1 )将动力传动系油从变速箱油池中吸出,然后输送油润滑差速器。

变速箱充油段 (2) 将液压油从差速器箱中吸出。 变速箱充油段由两个异相泵齿轮组成。 将泵齿轮对齐,使一个齿轮的轮齿与另一个齿轮根对齐。 齿轮的相控将平缓变速箱充油段产生的压力脉冲。 变速箱充油段 (2) 为以下操作提供压力机油:

  • 变速箱操作

  • 变速箱润滑

  • 差速锁操作

  • 停车制动器释放

参考: 有关更多信息,参考动力传动系技术规格, "齿轮泵(变速箱充油和回油)"。

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