力士樂比例閥4WRZ25E220-70/6EG24N9TK4/M
REXROTH柱塞泵A10VG45EZ2DM1/10L-NTC10F023SHK,
REXROTH柱塞泵A10VG45EZ2DM1/10R-NSC10F013DH,
REXROTH柱塞泵A10V028DFR/31L-PSC12K01+,
REXROTH柱塞泵A10VG63EP11/10R-NSC10F003D-S,
EREXROTH柱塞泵A10VS071-DR/31R-PPA12N00,
REXROTH柱塞泵A10VSO 18 DFRI/31R-PPA12N00,
REXROTH柱塞泵A10VS045DR/31RPPB12-NDD,
REXROTH柱塞泵A10V071DFRI/34 PSC6402-S0225,
REXROTH柱塞泵A10VS028DR/31L/PPA12G20+1PF2G2,
A11VLO260LRDL.H2/10+REXROTH柱塞泵A10V028,
A11VL190LRDL.H2/10+REXROTH柱塞泵A10V028,
REXROTH液壓泵的工作原理。柱塞2依靠彈簧4壓在偏心輪1上,偏心輪轉(zhuǎn)動(dòng)時(shí),柱塞便作往復(fù)運(yùn)動(dòng)。柱塞向右移動(dòng)時(shí),密封腔因容積增大而形成一定真空,在大氣壓力作用下通過單向閥5從油箱吸進(jìn)油液,這時(shí)單向閥6封閉壓油口防止系統(tǒng)油液回流;柱塞向左移動(dòng)時(shí),密封腔4容積減小,將已吸入的油液通過單向閥6壓出,這時(shí)單向閥5封閉吸油口防止油液流回油箱。偏心輪不停地轉(zhuǎn)動(dòng),泵就不斷地吸油和壓油。由此可見液壓泵是靠密封容積變化進(jìn)行工作的,故常稱其為容積式泵。單向閥5和6是保證液壓泵正常吸油和壓油所必須的配油裝置。
力士樂比例閥4WRZ25E220-70/6EG24N9TK4/M