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黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì)
摘 要
泵是輸送液體或使液體增壓的機(jī)械裝置，它可以將原動(dòng)機(jī)的機(jī)械能或其它外部能量傳送給液體，使液體的能量增加。它的出現(xiàn)給工農(nóng)業(yè)生產(chǎn)帶來了極大的便利，是現(xiàn)代化生產(chǎn)中不可缺少的組成部分。泵的種類很多，但由于往復(fù)泵所具有的一些性能上的特點(diǎn)和優(yōu)點(diǎn)是其它類型泵所無法比擬的，因而它的應(yīng)用也不可被取代。
本文論述了低溫活塞泵的國內(nèi)外發(fā)展?fàn)顩r，并針對活塞泵進(jìn)行了結(jié)構(gòu)設(shè)計(jì)和理論分析。課題的主要內(nèi)容是設(shè)計(jì)并研制出一個(gè)低溫活塞泵系統(tǒng)，主要是在活塞泵的設(shè)計(jì)方面，并且對于材料等有一定的要求。首先是整體設(shè)計(jì)，主要包括設(shè)計(jì)參數(shù)和結(jié)構(gòu)參數(shù)的選擇及電動(dòng)機(jī)的選擇；其次是液力端的設(shè)計(jì)，主要是活塞、吸入排出閥和缸體的結(jié)構(gòu)設(shè)計(jì)；最后是傳動(dòng)端的設(shè)計(jì)，包括曲軸、連桿、十字頭、皮帶等部件的設(shè)計(jì)。
關(guān)鍵詞：低溫活塞泵；結(jié)構(gòu)參數(shù)；活塞；曲軸；連桿
ABSTRACT
Pump is such a machinery which can transport liquid or make liquid pressurize, and it also can make driver's energy or other exterior energy transmit to liquid in order to increase its energy. Its appearance brings infinite convenience for the industrial and agriculture, and it is indispensable component in the modern production. There are many kinds of pump, due to the characteristics and virtue of piston pump, which other pumps can't be matched; its appliance may not be replaced.
This paper introduces the development condition to the piston pump home and abroad, and makes design and theoretical analysis. The thesis is to design and develop a low-temperature piston pump system, the design of piston pump is primary, and there are certain requirements to material. Firstly, it is the overall design comprising the choice of design parameter and structure parameter, as well as the choice of the motor. Secondly, the design of liquid force port mainly is the structure design of piston, inhalation and discharge valve, together with cylinder. Finally, it is the design of transmission, containing the design of crankshaft, linkage, crosshead, belt and other parts.
Key words: The Low-temperature Piston Pump; Structure Parameter; Piston; Crankshaft; Linkage
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