商鋪名稱：武漢盛美特機電設備有限公司
聯系人：白建新（先生）
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企業郵箱：2480594461@qq.com
聯系地址：武漢武昌白沙洲街道武金堤公路觀瀾天地3棟809室
郵編：430000
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柱塞泵工作原理，當傳動軸1在電動機的帶動下轉動時，連桿2推動柱塞4在缸體3中作往復運動，同時連桿的側面帶動活塞連同缸體一同旋轉。配油盤5是固定不動的。如果斜角度gamma;的大小和方向可以調節，就意味著可以改變泵的排量和吸、壓油方向，此時的泵為雙向變量軸向柱塞泵。
柱塞泵的優點
1. 參數高：額定壓力高，轉速高，泵的驅動功率大
2. 效率高，容積效率為95％左右，總效率為90％左右
3. 壽命長
4. 變量方便，形式多
5. 單位功率的重量輕
6. 柱塞泵主要零件均受壓應力，材料強度性能可得以充分利用
進油過程：當凸輪的凸起部分轉過去以后，在柱塞彈簧的作用力下，柱塞會向下運動，這時柱塞的上部空間產生真空度，當柱塞上端面把柱塞套上的進油孔打開以后，充滿在柱塞泵上體油道內的液體經進油孔進入柱塞上部空間，（上部真空空間也叫泵油室），當柱塞運動到下卡點時，進油過程結束。
供油過程：當凸輪軸轉到凸輪的凸起部分時，凸輪體被頂起，柱塞彈簧被壓縮，柱塞受彈簧的反作用力后向上運動，燃油受壓，這時會有一部分燃油經油孔流回噴油泵上體油腔。當柱塞頂面遮住套筒上的進油孔上緣時，由于柱塞和套筒之間的配合間隙很小很小，（在0.0015到0.0025mm之間）使柱塞頂部的柱塞泵油室成為一個密封的油腔，這時柱塞在彈簧的作用力下繼續上升，柱塞泵油室內的油壓迅速升高，當柱塞泵油壓力大于出油閥彈簧力和高壓油管剩余壓力時，出油閥被推開，高壓油經過出油閥進入高壓油管，然后通過噴油器噴入燃燒室。供油過程結束。
回油過程：當柱塞向上供油上升到柱塞的斜槽與套筒上的回油孔相通時，柱塞泵油室低壓油路便和柱塞頭部的中孔和徑向孔及斜槽溝通，油壓突然下降，這時出油閥在彈簧力的作用下迅速關閉，回油過程結束。然后柱塞還要上行，當凸輪的凸起部分轉過去以后，在柱塞彈簧的作用力下柱塞再次下行。這時又開始了下一個循環。
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