摘要：蠕動轉子是偏心蠕動式轉子泵的關鍵零件，轉子的所受應力大小，變形情況與泵的性能、效率及產品壽命密切相關。本文根據偏心蠕動機構的運動特性，分析了轉子瞬時時刻的受力以及約束情況；并根據偏心蠕動式轉子泵實際設計參數，計算和分析了泵排液過程中的六個工況點。基于ANSYS有限元軟件，對非金屬材料的聚甲醛轉子強度、剛度進行數值模擬計算及分析。將為偏心蠕動式轉子泵可靠性設計提供依據。
 

關鍵字：  轉子，偏心蠕動式轉子泵，應力，變形，ANSYS
中圖分類號：TH3文獻標識碼：  A
 

Rotor’s Intensity and Stiffness Calculation of Eccentric and Squirmy Rotor Pump Based on ANSYS
ZHANG Jin-hai1, ,DENG Hongying1,ZHANG Sheng-chang1*,LIANG Ning2
(1. Zhejiang University of Technology,Hangzhou,310014;2.Zhejiang Hangzhou Drilling Machine Manufactory Co.Ltd,Hangzhou,310016)
Abstract: Squirmy rotor is a key part for eccentric Squirmy Rotor Pump, the stress magnitude and deformation condition of rotor is closely related to pump’s performance, efficiency as well as its life cycle. This paper analyze instantaneous forth and constraint of the rotor according to the motion Characteristics of eccentric Squirmy mechanism. Then a numerical simulation calculation for Polyoxymethylene(POM) rotor’s Intensity and stiffness is carried out based on ANSYS finite element software which may provides the basis for reliability design of eccentric and squirmy rotor pump.
Keywords: rotor, eccentric and squirmy rotor pump, tress, strain, ANSYS