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(wú)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(guò)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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