齒輪泵工作原理分析外嚙合雙齒輪泵的結(jié)構(gòu)。
一對(duì)相互嚙合的齒輪和泵缸把吸入腔和排出腔隔開。
齒輪轉(zhuǎn)動(dòng)時(shí)，吸入腔側(cè)輪齒相互脫開處的齒間容積逐漸增大，

德國(guó)力士樂齒輪泵￥REXROTH力士樂泵
齒輪泵工作原理分析外嚙合雙齒輪泵的結(jié)構(gòu)。
一對(duì)相互嚙合的齒輪和泵缸把吸入腔和排出腔隔開。
齒輪轉(zhuǎn)動(dòng)時(shí)，吸入腔側(cè)輪齒相互脫開處的齒間容積逐漸增大，
壓力降低，液體在壓差作用下進(jìn)入齒間。隨著齒輪的轉(zhuǎn)動(dòng)，
一個(gè)個(gè)齒間的液體被帶至排出腔。這時(shí)排出腔側(cè)輪齒嚙合處的齒間容積逐漸縮小，
而將液體排出。齒輪泵適用于輸送不含固體顆粒、
無腐蝕性、粘度范圍較大的潤(rùn)滑性液體。泵的流量可至300米3/時(shí)，
壓力可達(dá)3×107帕。它通常用作液壓泵和輸送各類油品。
齒輪泵結(jié)構(gòu)簡(jiǎn)單緊湊,制造容易,維護(hù)方便，有自吸能力，
但流量、壓力脈動(dòng)較大且噪聲大。齒輪泵必須配帶安全閥，
以防止由于某種原因如排出管堵塞使泵的出口壓力超過容許值而損壞泵或原動(dòng)機(jī)
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德國(guó)力士樂齒輪泵￥REXROTH力士樂泵
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