The utility model discloses a multiple centering rotary pump, relates to a rotary piston pump, the utility model is to design a self rotating pump does not produce sand and plunger and tubing wall without fouling multiple centering. The technical proposal of the utility model is characterized in that including the plunger and pump barrel, with at least two plunger pump cylinder, piston are connected by a universal joint, and a thruster thruster under the plunger body, scraping sand and sand blocking, centering mechanism is arranged between the plunger and the pump barrel. The utility model is used for pumping units.
【技术实现步骤摘要】
【技术保护点】
一种多节定心自旋转抽油泵,包括柱塞、泵筒和泵筒接箍,其特征在于:泵筒内至少设有2个柱塞,柱塞之间通过万向连轴器连接,柱塞的一端通过螺纹与下推力器连接,在此下推力器上端腔内设有进油阀座和阀球,该下推力器表面上的螺旋流道与进油阀连通,此柱塞体的另一端通过螺纹与上推力器连接,与该上推力器相对的刮砂器转动配合在此柱塞体上,此刮砂器外表面上的螺旋流道通过径向孔与柱塞内的出油阀连通,旋转轴的上端转动支撑在万向连轴器的孔中,旋转轴的下端通过螺纹与上推力器的上端连接;另一柱塞上设有与上述柱塞上相同的下推力器、刮砂器、上推力器和进油阀及出油阀,下推力器的下端通过螺纹与万向连轴器的上端连接,另 ...
【技术特征摘要】
【专利技术属性】
技术研发人员:李性伟,鲁广立,袁志毅,
申请(专利权)人:新乡市乔山机械设备有限公司,
类型:实用新型
国别省市:41[中国|河南]
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。