一種零泄漏的齒輪泵設(shè)計(jì)

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摘 要：介紹了齒輪泵的設(shè)計(jì)過程，從變位系數(shù)和壓力角兩個(gè)方面著手，重點(diǎn)闡述了依據(jù)排量和中心距設(shè)計(jì)齒輪參數(shù)的選擇方法。為實(shí)現(xiàn)零泄露，采用了磁性聯(lián)軸器代替機(jī)械密封，結(jié)構(gòu)更緊湊，密封性更好。齒輪泵整體結(jié)構(gòu)小巧，能滿足實(shí)際需求。

關(guān)鍵詞：齒輪泵；變位系數(shù)；壓力角；磁性聯(lián)軸器

Design of a Nonleaky Gear Pump

Xu Hongwu

（Suzhou Chien-shiung Institute of Technology，Suzhou，Jiangsu 215400）

Abstract：This article introduces the design process of gear pumps from deflexion coefficient and pressure angle，and focuses on the selection method of gear parameters based on displacement and center distance design.To achieve zero leakage，magnetic couplings were used instead of mechanical seals to make a more compact structure and better sealing performance.The overall structure of the gear pump is compact and can meet practical needs.

Key words：gear pump;the deflexion coefficient;pressure angle;magnetic couplings

工業(yè)上泵的種類很多，常見的有柱塞泵、離心泵、齒輪泵等。（剩余4168字）