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Research and Design of Double-Compound Gear Pump

Author: WangHuiMin
Tutor: YuHongYing
School: Harbin Institute of Technology
Course: Mechanical Design and Theory
Keywords: Double composite gear pump Flow characteristics Optimal design Parametric Design
CLC: TH325
Type: Master's thesis
Year: 2010
Downloads: 69
Quote: 0
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Abstract


Double composite gear pump is based on the composite gear pump and double gear pump based on a new type of hydraulics components , so it has a composite gear pump displacement , flow uniformity , smooth transmission , the noise and the center wheel radial force balance of advantages , while at the same time meet the needs of different power , the demand for low-power , there is no need to cut expenses, reduce energy loss , and a pump for the function . For the design and research of double composite gear pump , the main job of the following four aspects : First, the analysis of ordinary gear pump . Introduce external gear pump works and gives the geometric displacement and transient flow formula to analyze the structural parameters of the gear pump flow pulsation coefficient of gear pump radial force suffered . Secondly, the study of the basic structure and working principle of the double - linked compound of the gear pump ; given displacement and unit volume CC expression , and analysis unit volume displacement factors ; transient flow formula is given , and on this basis , by derivation of the displacement of the meshing point equation obtained transient flow containing compound gear pump center wheel different number of teeth of a driven wheel expressions and flow ripple factor expression to draw flow characteristic curve in different circumstances ; MATLAB language program by editing . Again, the minimum volume for the optimization objectives , the establishment of double composite gear pump optimization model . Meanwhile , in order to avoid the problem of undercutting less gear to establish Change Coefficient optimization model and optimize pump gear modification coefficient . Finally, Parametric design of double composite gear pump . The basis of the establishment of the gear and shaft gear parameters to optimize the design parameters of the three-dimensional model . With fluid oil line toward research and analysis to determine the structure with fluid , and the establishment of a parametric model with fluid . Reference to the gear shaft , and with the size of the fluid , double composite gear pump parametric model for other parts and model the three-dimensional assembly .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Pump > Volume of the pump > Gear pump
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