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浆液循环泵恒位油杯自动补油的原理

2018-12-12

　　恒位油杯底部为一斜口，其原理是由于轴承体与油杯的杯座形成一个连通器，油杯内的气体压力小于外界大气压，故恒位油杯内能够保持一定高度的润滑油。当泵在运行过程中，由于各种原因造成轴承体内润滑油的损耗，箱体内油位下降，由于连通器原理，箱体内的油位总是与杯座油位相平的。由于杯座油位的下降导致油杯内润滑油液封面被破坏，大气便通过气孔进入油杯内，使油杯内外气压相平衡。油杯内的液柱由于自重力向下流动耐注入轴承体内，直到箱体内的油位达到正常油位，一切又回到了初始状态。

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