配油盘上的三角槽起什么作用?

2025-03-15 09:09:57
推荐回答(2个)
回答1:

在液压马达或泵中,发挥高低油路分配作用,使马达或泵中高压油作用时输出扭矩,低压油(回油)时把停止输出扭矩的柱塞腔中的高压油排出。

当叶片经吸油腔进入封油区(两腰形窗口之间的园弧)时,其压力基本与吸油腔压力相同,但当转子转过一微小角度,突然与压油腔相通时,压力由吸油压力猛升至输出压力,引起压油腔油液倒流,泵瞬时流量变小,加大了压力脉动,流量脉动和噪声。

扩展资料:

用途

液压马达亦称为油马达,主要应用于注塑机械、船舶、起扬机、工程机械、建筑机械、煤矿机械、矿山机械、冶金机械、船舶机械、石油化工、港口机械等。

高速马达齿轮马达具有体积小、重量轻、结构简单、工艺性好、对油液的污染不敏感、耐冲击和惯性小等优点。缺点有扭矩脉动较大、效率较低、起动扭矩较小(仅为额定扭矩的60%——70%)和低速稳定性差等。

回答2:

叶片从封油区进入压油区一端,开有一个截面形状为三角形的三角槽,使两叶片的封闭液油在未进入压油区之前,就通过三角槽与压力油相连,通过三角槽的阻尼作用,使压力逐渐上升,因而减缓了流量和压力脉动,并降低了噪音。

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