石油矿场机械
石油礦場機械
석유광장궤계
OIL FIELD EQUIPMENT
2013年
11期
9-11,12
,共4页
螺杆泵%定子橡胶%动态疲劳%性能评价
螺桿泵%定子橡膠%動態疲勞%性能評價
라간빙%정자상효%동태피로%성능평개
progressing cavity pump%elastomer%dynamic fatigue%performance evaluation
定子橡胶是螺杆泵的核心部分,螺杆泵的寿命主要依赖于橡胶的性能。传统的橡胶性能评价主要是模拟橡胶的静态力学性能,对橡胶的基本力学性能进行评价,但在螺杆泵运转过程中橡胶的动态性能起着关键作用。介绍了一种能够有效评价橡胶动态疲劳性能的模拟试验新方法,该方法直接明了,更接近于螺杆泵定子橡胶的实际工作状况,对进一步改善定子橡胶配方、提高螺杆泵的使用寿命具有重要意义。
定子橡膠是螺桿泵的覈心部分,螺桿泵的壽命主要依賴于橡膠的性能。傳統的橡膠性能評價主要是模擬橡膠的靜態力學性能,對橡膠的基本力學性能進行評價,但在螺桿泵運轉過程中橡膠的動態性能起著關鍵作用。介紹瞭一種能夠有效評價橡膠動態疲勞性能的模擬試驗新方法,該方法直接明瞭,更接近于螺桿泵定子橡膠的實際工作狀況,對進一步改善定子橡膠配方、提高螺桿泵的使用壽命具有重要意義。
정자상효시라간빙적핵심부분,라간빙적수명주요의뢰우상효적성능。전통적상효성능평개주요시모의상효적정태역학성능,대상효적기본역학성능진행평개,단재라간빙운전과정중상효적동태성능기착관건작용。개소료일충능구유효평개상효동태피로성능적모의시험신방법,해방법직접명료,경접근우라간빙정자상효적실제공작상황,대진일보개선정자상효배방、제고라간빙적사용수명구유중요의의。
Elastomer is the core component of progressing cavity pump (PCP).The running life of PCP considerably depends on elastomer’s performance characteristics.Conventional elastomer performance tests point to the basic mechanical and physical properties tests.However,dynamic performance played an important role in PCP’s operation while dynamic tests,especially for dy-namic fatigue property tests.This paper presents a novel method that could effectively evaluate the dynamic fatigue properties of elastomer.The method could describe the dynamic fatigue per-formance directly and clearly,and test conditions are similar to stator elastomer’s working condi-tion.It has a significance to further improve the stator elastomer’s formulations and improve the service life of PCP.