| 采油螺杆泵衬套橡胶摩擦磨损性能分析 |
| Friction and Wear of Screw-Bushing Pair of Progressive Cavity Pump |
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| DOI： |
| 中文关键词: 螺杆泵 衬套橡胶 磨损 摩擦因数 |
| 英文关键词: progressive cavity pump liner rubber wear friction coefficient |
| 基金项目:黑龙江省教育厅科学技术研究项目（12541098） |
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| 中文摘要: |
| 对MPX-2000型磨损试验机进行改造并设计了专用夹具，利用金属圆环与衬套橡胶盘状试样在油水介质和油水砂介质中进行螺杆-衬套副的磨损模拟试验，测定衬套橡胶在不同法向载荷和滑动速度条件下的摩擦因数和磨损量。结果表明，衬套橡胶试样在油水和油水砂介质中的摩擦因数随法向载荷的增大而减小，随滑动速度的提高先增大后有所减小，而磨损量随法向载荷的增大而增加，随滑动速度的提高而减小。衬套橡胶试样在油水介质中的磨损主要表现为摩擦机理，而在油水砂介质中则主要表现为摩擦机理和湿磨粒磨损机理。 |
| 英文摘要: |
| The MPX-2000 wear testing machine was modified，and a special fixture was designed.By using metal ring and bushing rubber disc test piece in the oil-water medium and oil-water-sand medium，the wear simulation test of screw-bushing pair was carried out to measure the friction coefficient and wear amount of liner rubber under different normal load and sliding speed.The results showed that，in the oil-water medium and oil-water-sand medium，the friction coefficient of the liner rubber decreased with increase of normal load，and it also increased with increase of sliding speed at first but would decrease with further increase of sliding speed，while the wear amount increased with increase of normal load and decreased with increase of sliding speed.In the oil-water medium，the wear of the liner rubber was mainly dominated by friction mechanism，while in oil-water-sand medium，the wear was caused by the friction mechanism and wet abrasive wear mechanism. |
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