The utility model relates to a rotary sand pump, the pump comprises a pump barrel and plunger sliding component is arranged in the pump cylinder; at the top of the piston is fixedly connected with a rotary device can drive the plunger assembly with intermittent rotation; rotating device from top to bottom is orderly provided with mutually fixedly connected on the connector, connecting pipe, tube and tube end position, the upper joint is connected with the sucker rod; in the connecting pipe inner wall is fixedly arranged at intervals with the upper ring and the lower ring gear; a rotating rod in a sliding positioning tube, rotating rod is laterally provided with a cylindrical pin, the cylindrical pin is located between the upper and lower ring the ring gear, a rotating rod at the lower end of a pull rod is fixedly connected with the bottom end of the sliding rod, a positioning tube and the top end is fixedly connected with the plunger assembly. Rotary device can drive the piston assembly to rotate under reciprocating linear motion and intermittent as, to achieve uniform friction to the pump barrel and plunger assembly, can prevent the eccentric wear of plunger pump, high temperature heat, to prevent the card agglutination, improve the efficiency of the pump, the pump life and prolong pump inspection period.
【技术实现步骤摘要】
【技术保护点】
１．一种旋转防砂抽油泵，所述旋转防砂抽油泵包括有泵筒和滑设于泵筒内的柱塞组件；其特征在于：在所述柱塞组件的顶部固定连接一能驱动柱塞组件间歇转动的旋转装置；所述旋转装置由上向下依序设有相互固定连接的上接头、联接管、定位管和定位端管，所述上接头与抽油杆连接；在所述联接管内壁呈上下间隔地固定设置有上齿圈和下齿圈，两齿圈上具有相向设置且数量相同并均匀分布的多个锯齿形齿，两齿圈上的锯齿形齿的倾斜方向相反，两齿圈对应错开半个齿距设置；一旋转杆滑设在定位管内，旋转杆上端横向设有一圆柱销，该圆柱销位于上齿圈和下齿圈之间，旋转杆下端固定连接一拉杆，该拉杆底端滑设出所述定位端管并与柱塞组件的顶部固定连接。
【技术特征摘要】
【专利技术属性】
技术研发人员：陈玉成，钟新兰，江雪芹，袁武，马占军，徐万勇，高本成，
申请(专利权)人：中国石油天然气股份有限公司，
类型：实用新型
国别省市：11
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。