发明名称 |
soquete tipo bombeio de haste especial para bomba de para parafuso |
摘要 |
A sucker rod, including: a rod; a threaded casing disposed outside the rod; a wedge-shaped groove disposed at one end of the rod; an outer connecting screw thread close to the wedge-shaped groove and disposed outside the rod; a wedge-shaped bulge disposed at the other end of the rod; a positioning nut close to the wedge-shaped bulge and matching with the threaded casing and disposed outside the rod; an inner nut flexibly disposed outside the rod between the positioning nut and the wedge-shaped bulge; and an outer nut flexibly disposed outside the rod for cooperation with the threaded casing; a convex plate disposed inside one end of the threaded casing for cooperation with the positioning nut; and an inner connecting screw thread disposed at the other end of the threaded casing for cooperation with the outer connecting screw thread. The sucker rod has a high torsional strength and is stable. |
申请公布号 |
BR112012002530(A2) |
申请公布日期 |
2016.11.08 |
申请号 |
BR20121102530 |
申请日期 |
2010.06.12 |
申请人 |
SHANDONG NINE-RING PETROLEUM MACHINERY CO., LTD. |
发明人 |
XIN, MINCHANG;ZHANG, JUGUO |
分类号 |
E21B17/00 |
主分类号 |
E21B17/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|