| 直线电机抽油机悬点运动规律 |
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| 引用本文： | 张公社,石惠宁,聂飞朋,许涛.直线电机抽油机悬点运动规律[J].石油天然气学报,2006,28(4):143-145. |
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| 作者姓名： | 张公社 石惠宁 聂飞朋 许涛 |
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| 作者单位： | 1. 长江大学石油工程学院,湖北,荆州,434023
2. 华北油田分公司采油工艺研究院,河北,任丘,062552 |
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| 摘 要： | 针对直线电机抽油机悬点运动规律进行了理论分析，认为直线电机抽油机的悬点运动规律可以应用分段函数来表示；建立了描述直线电机抽油机悬点运动规律的数学模型，并进行了验证。直线电机抽油机上冲程初期具有一个加速段，下冲程初期具有一个减速段，二者之和约占整个周期的30％左右，其余时间是匀速运动。
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| 关 键 词： | 直线电机 抽油机 运动规律 分段函数 |
| 文章编号： | 1000-9752（2006）04-0143-03 |
| 收稿时间： | 2006-04-08 |
| 修稿时间： | 2006-04-08 |
Motion Law of Suspension Center in Pumping Units Driven by Linear Motor |
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| ZHANG Gong-she.Motion Law of Suspension Center in Pumping Units Driven by Linear Motor[J].Journal of Oil and Gas Technology,2006,28(4):143-145. |
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| Authors: | ZHANG Gong-she |
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| Abstract: | A theoretical analysis is conducted on the motion law of suspension center on pumping units driven by linear motor. It is considered that the motion law of suspension center on pumping units driven by linear motor can be described with piecewise analytic function, a mathematical model is established for denoting the motion law and it is demonstrated. At the initial stage of upper stroke, there exists a section of acceleration and at the initial stage of down stroke, there exists a section of deceleration. The total is about 30% in the cycle in both periods, and it is of constant motion in the other period. |
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| Keywords: | linear motor pumping unit motion law piecewise analytic function |
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