A4VG180DA2D4/32R-NZD02F002S柱塞泵柱塞泵分為兩種有代表性的結構形式的軸向柱塞泵和徑向柱塞泵;由于徑向柱塞泵
柱塞泵屬于一種的技術含量比較高的泵,隨著國產化的不斷加快,徑向柱塞泵必然會成為柱塞泵應用領域的重要組成部分;
徑向柱塞泵是活塞或柱塞的往復運動方向與驅動軸垂直的柱塞泵。
徑向柱塞泵工作原理:驅動扭矩由驅動軸 通過十字聯軸器 傳遞給星形的液壓缸體轉子,定子不受其它橫向作用力。轉子裝在配流軸上。位于轉子中的徑向布置的柱塞,通過靜壓平衡的滑靴緊貼著偏心行程定子。柱塞與滑靴球鉸相連,并通過卡簧鎖定。二個保持環將滑靴卡在行程定子上。
泵轉動時,它依靠離心力和液壓力壓在定于內表面上。當轉子轉動時,由于定于的偏心作用,柱塞將作往復運動,它的行程為定于偏心距的2倍。定子的偏心距可由泵體上的徑向位置相對的兩個柱塞來調節。
油液的進出通過泵體和配流軸上的流道,并由配流軸上吸油口控制,泵體內產生的液壓力被靜壓平衡的表面所吸收。摩擦副的靜壓平衡采取了過平衡壓力補償方法,形成了開環控制。支承驅動軸的軸承只起支承作用,不受其他外力的作用。
液壓系統中:軸向柱塞泵是利用與傳動軸平行的柱塞在柱塞孔內往復運動所產生的容積變化來進行工作的。由于柱塞泵的柱塞和柱塞孔都是圓形零件,加工時可以達到很高的精度配合;
以下以軸向柱塞泵為例進行解釋。
軸向柱塞泵是利用與傳動軸平行的柱塞在柱塞孔內往復運動所產生的容積變化來進行工作的。由于柱塞和柱塞孔都是圓形零件,加工時可以達到很高的精度配合,因此具有容積效率高,運轉平穩,流量均勻性好,噪聲低,工作壓力高等優點,但對液壓油的污染較敏感,結構較復雜,造價較高。
MCY14-1B:定量柱塞泵
SCY14-1B:手動變量柱塞泵
YCY14-1B:壓力變量柱塞泵
BCY14-1B:電液控制柱塞泵
PCY14-1B:恒壓變量柱塞泵
柱塞泵的泵油機構包括兩套偶件:柱塞(plunger)+柱塞套(barrel)構成柱塞偶件(plunger and barrel assembly)(圖5-11)、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偶件,經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。
A4VG180柱塞泵部分型號
A4VG180NVD2/32R-NZD02F002S
A4VG180NVD2/32R-NZD02N002S
A4VG180NVD2/32R-NZD02F022S
A4VG180NVD2/32R-NZD02K022S
A4VG180HD3D2/32R-NZD02F002S
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A4VG180HD3D2/32R-NZD02K022S
A4VG180DA2D4/32R-NZD02F002S柱塞泵
A4VG180HWD2/32R-NZD02F002S
A4VG180HWD2/32R-NZD02N002S
A4VG180HWD2/32R-NZD02F022S
A4VG180DA2D4/32R-NZD02F002S柱塞泵
A4VG180HWD2/32R-NZD02K022S
A4VG180EP3D2/32R-NZD02F002S
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D3R
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A4VG180DA2D4/32R-NZD02F002S柱塞泵
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D3L
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A4VG180DA2D4/32R-NZD02F002S柱塞泵
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A4VG180DGD3L/32R-NZD02F022S
A4VG180DGD3L/32R-NZD02K022S
D7
A4VG180NVD7/32R-NZD02F002S
A4VG180NVD7/32R-NZD02N002S
A4VG180NVD7/32R-NZD02F022S
A4VG180NVD7/32R-NZD02K022S
A4VG180HD3D7/32R-NZD02F002S
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A4VG180HD3D7/32R-NZD02F022S
A4VG180HD3D7/32R-NZD02K022S
A4VG180HWD7/32R-NZD02F002S
A4VG180HWD7/32R-NZD02N002S
A4VG180HWD7/32R-NZD02F022S
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A4VG180DGD7/32R-NZD02F022S
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D4
A4VG180NVD4/32R-NZD02F002S
A4VG180NVD4/32R-NZD02N002S
A4VG180NVD4/32R-NZD02F022S
A4VG180NVD4/32R-NZD02K022S
A4VG180HD3D4/32R-NZD02F002S
A4VG180HD3D4/32R-NZD02N002S
A4VG180HD3D4/32R-NZD02F022S
A4VG180HD3D4/32R-NZD02K022S
A4VG180HWD4/32R-NZD02F002S
A4VG180HWD4/32R-NZD02N002S
A4VG180HWD4/32R-NZD02F022S
A4VG180HWD4/32R-NZD02K022S
A4VG180EP3D4/32R-NZD02F002S
A4VG180EP3D4/32R-NZD02N002S
A4VG180EP3D4/32R-NZD02F022S
A4VG180EP3D4/32R-NZD02K022S
A4VG180EP4D4/32R-NZD02F002S
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