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辗轮式混砂机辗轮轴仅靠毛毡密封,挡不住灰砂进入,工作2～3个月后泥砂就会塞满轴承,使辗轴损坏。我们自行设计了一种新颖的多重密封装置,使用寿命超过两年。其结构如图所示。
Roller wheel sand mixer wheel shaft only rely on felt sealed, unable to stop the lime sand into the work of 2 to 3 months after the mud will be filled with bearings, so that roller shaft damage. We designed a novel multi-sealing device that lasts longer than two years. Its structure as shown.