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威格士Vickers柱塞泵廠家現(xiàn)貨直銷,我公司長期經(jīng)銷威格士柱塞泵,不僅價格好,質量優(yōu)。而且功能也很好,貨期還短。您還在猶豫什么,趕快來咨詢采購吧。美國VICKERS威格士柱塞泵是依靠柱塞與缸體內孔面來形成密封工作容積的。由于柱塞與缸體內孔均為圓柱表面,因此加工方便,配合精度高,密封性能好。故柱塞泵常做成高壓泵。優(yōu)點:壓力高、結構緊湊、效率高及流量調節(jié)方便。缺點:結構復雜,價格較貴。
Vickers威格士柱塞泵按柱塞排列方向的不同,分為軸向柱塞泵和徑向柱塞泵。在此,簡要介紹軸向柱塞泵和回轉式徑向柱塞泵。Vickers威格士軸向柱塞泵。軸向柱塞泵由配流盤、缸體(轉子)、柱塞和斜盤等主要零件組成。在配流盤上開有兩個弧形溝槽,分別與泵的吸、壓油口連通,形成吸油腔和壓油腔。斜盤、配流盤均與泵體相固定,柱塞在彈簧的作用下以球形端頭與斜盤接觸。兩個弧形溝槽彼此隔開,保持一定的密封性。斜盤相對于缸體的夾角為γ。原動機通過傳動軸帶動缸體旋轉,柱塞就在柱塞孔內作軸向往復滑動。處于π~2π范圍內的柱塞向外伸出,使其底部的密封容積增大,將油吸入;處于0~π范圍內的柱塞向缸體內壓入,使其底部的密封容積減小,把油壓往系統(tǒng)中。
顯然,泵的輸油量決定于柱塞往復運動的行程長度,也就是決定于斜盤的傾角γ。如果γ角可以調整,就成為變量泵。γ角越大,輸油量也就越大。
Vickers威格士徑向柱塞泵。所示當轉子旋轉時,柱塞在離心力作用下,它的頭部與定子內表面緊緊接觸,由于轉子與定子之間有一個偏心量е,所以柱塞在隨轉子轉動的同時,又在柱塞孔內作徑向往復滑動。當轉子按圖中箭頭所示方向旋轉時,上半周的柱塞皆往外滑動,柱塞孔內的密封容積增大,于是通過軸向孔吸油;下半周的柱塞皆往里滑動,柱塞孔內的密封容積減少,于是通過軸向孔壓油。
vickers威格士柱塞泵的泵油機構包括兩套精密偶件:柱塞(plunger)+柱塞套(barrel)構成柱塞偶件(plunger and barrel assembly)、出油閥(delivery valve)和出油閥座(delivery valve seat)構成出油閥偶件(delivery valve assembly 柱塞和柱塞套是一對精密偶件,經(jīng)配對研磨后不能互換,要求有高的精度和光潔度和好的耐磨性,其徑向間隙為0.002~0.003mm 柱塞頭部圓柱面上切有斜槽,并通過徑向孔、軸向孔與頂部相通,其目的是改變循環(huán)供油量;柱塞套上制有進、回油孔,均與泵上體內低壓油腔相通,柱塞套裝入泵上體后,應用定位螺釘定位。 柱塞頭部斜槽的位置不同,改變供油量的方法也不同。 出油閥和出油閥座也是一對精密偶件,配對研磨后不能互換,其配合間隙為0.01mm 。 出油閥是一個單向閥,在彈簧壓力作用下,閥上部圓錐面與閥座嚴密配合,其作用是在停供時,將高壓油管與柱塞上端空腔隔絕,防止高壓油管內的油倒流入噴油泵內。 出油閥的下部呈十字斷面,既能導向,又能通過柴油。出油閥的錐面下有一個小的圓柱面,稱為減壓環(huán)帶,其作用是在供油終了時,使高壓油管內的油壓迅速下降,避免噴孔處產生滴油現(xiàn)象。當環(huán)帶落入閥座內時則使上方容積很快增大,壓力迅速減小,停噴迅速。 工作時,在噴油泵凸輪軸上的凸輪與柱塞彈簧的作用下,迫使柱塞作上、下往復運動,從而完成泵油任務,泵油過程可分為以下三個階段。
威格士Vickers柱塞泵廠家現(xiàn)貨直銷,VICKERS威格士PVH081柱塞泵型號:
PVH081R52AA10B252000001001AA010A PVH81C-RF-2S-11-C25V-31PVH081R02AA10E252014001001AA010A PVH81C-RF-2S-11-C25VT14-31PVH081R01AA10A230000001001AA010A PVH81C-RF-1S-11-C23-31PVH081R02AA10B21200000100100010A PVH81C-RF-2S-10-C21V-31PVH081R01AA10A230000001001AE010A PVH81QIC-RF-1S-11-C23-31PVH081R01AA10A230000002001AE010A PVH81QIC-RSF-1S-11-C23-31VICKERS威格士PVH131柱塞泵型號PVH131L12AF30B282000001AD2AA010A PVH131C-LAF-12D-11-C28V-31PVH131L12AF30B252000001AD100010A PVH131C-LAF-12S-10-C25V-31PVH131L12AF30B252000001AD1BG010A PVH131C-LAF-12S-10-C25V-31-159PVH131L12AF30K250000001AD100010A PVH131C-LAF-12S-10-EDC25-10PVH131L12AF30A130000AG1AD1AA010A PVH131C-LAF-12S-11-C13-31PVH131L16AF30A250000001AD100010A PVH131C-LAF-16S-10-C25-31PVH131L16AF30B252000001AD100010A PVH131C-LAF-16S-10-C25V-31PVH131L16AF30D180006001AT1AA010A PVH131C-LAF-16S-11-C18T6-31-CD-031PVH131L16AF30D250004001AD1AA010A PVH131C-LAF-16S-11-C25T4-31PVH131L02AF30B212000001AD200010A PVH131C-LAF-2D-10-C21V-31-036PVH131L02AF30B212000001AD2AA010A PVH131C-LAF-2D-11-C21V-31-036PVH131L03AF30E272015001AD2AA010A PVH131C-LAF-3D-11-C27VT15-31PVH131L03AF30A250000001AD100010A PVH131C-LAF-3S-10-C25-31PVH131L03AF30B252000001AD100010A PVH131C-LAF-3S-10-C25V-31PVH131L03AF30E252004001AD1AA010A PVH131C-LAF-3S-11-C25VT4-31PVH131L03AF30F282014001AT1AA010A PVH131C-LAF-3S-11-C28VT14S-31-31PVH131L12AF30B252000001AJ200010A PVH131C-LBF-12D-10-C25V-31PVH131L12AF30B252000001AJ100010A PVH131C-LBF-12S-10-C25V-31PVH131L12AF30B252000001AY100010A PVH131C-LBF-12S-10-C25V-31-114PVH131L12AF30B502000001AJ1AA010A PVH131C-LBF-12S-11-C31V-31PVH131L02AF30B162000001AJ1AA010A PVH131C-LBF-2S-11-C16V-31PVH131L02AF30B252000001AJ1AA010A PVH131C-LBF-2S-11-C25V-31PVH131L03AF30B252000001AJ1AA010A PVH131C-LBF-3S-11-C25V-31PVH131L12AF30B252000001AM2AA010A PVH131C-LCF-12D-11-C25V-31PVH131L12AF30B482000001AA1AA010A PVH131C-LCF-12S-11-C275V-31-CD-114PVH131L16AF30B252000001AM100010A PVH131C-LCF-16S-10-C25V-31PVH131L03AF30B252000001AM1AA010A PVH131C-LCF-3S-11-C25V-31PVH131L12AF30A250000001002AA010A PVH131C-LF-12D-11-C25-31PVH131L12AF30B25200000100100010A PVH131C-LF-12S-10-C25V-31PVH131L12AF30B252000001001AM010A PVH131C-LF-12S-10-C25V-31-118PVH131L33AF30B252000001002AA010A PVH131C-LF-13D-11-C25V-31-259PVH131L13AF30A25000000100100010A PVH131C-LF-13S-10-C25-31PVH131L13AF30B25200000100100010A PVH131C-LF-13S-10-C25V-31PVH131L13AF30B192000AK1001AA010A PVH131C-LF-13S-11-C19V-31-188PVH131L13AF30B252000001001AA010A PVH131C-LF-13S-11-C25V-31PVH131L29AF30B25200000100100010A PVH131C-LF-29S-10-C25V-31-046PVH131L29AF30B25340000100100010A PVH131C-LF-29S-10-C25V34-31-CD-046PVH131L02AF30B21200000100200010A PVH131C-LF-2D-10-C21V-31-046PVH131L02AF30B252000001002AA010A PVH131C-LF-2D-11-C25V-31PVH131L02AF30B252000001008AA010A PVH131C-LF-2D-11-C25V-31-214PVH131L02AF30B25200000100100010A PVH131C-LF-2S-10-C25V-31-046PVH131L02AF30B252000AL1001AP010A PVH131C-LF-2S-10-C25V-31-208PVH131L02AF30B192000AA1001AA010A PVH131C-LF-2S-11-C19VB-31-CDPVH131L02AF30B252000001001AA010A PVH131C-LF-2S-11-C25V-31-046PVH131L02AF30B253100001001AA010A PVH131C-LF-2S-11-C25V31-31PVH131L02AF30B282000AR1001AT010A PVH131C-LF-2S-11-C28VB-31-220