4WE6Y 4WE6C 4WE6D 液壓電磁閥 管式 手動(dòng)YOULE油立

液壓系統(tǒng)中葉片泵正常工作一般要滿足什么條件呢？

在液壓系統(tǒng)中，由葉片泵的工作原理可知，無論是非平衡式葉片泵還是平衡式葉片泵，爲(wèi)保證其正常工作必須滿足以下條件一起來看看吧。

1.葉片隨轉(zhuǎn)子轉(zhuǎn)動(dòng)的同時(shí)，應(yīng)能在轉(zhuǎn)手葉片槽內(nèi)靈活移動(dòng)，無卡阻現(xiàn)象。目的是使葉片伸出轉(zhuǎn)子外圓的長度可以隨定子內(nèi)曲線的變化而改變，形成吸油腔和壓油腔密封容積大小的變化，以實(shí)現(xiàn)吸油和排油。

2.葉片頂部與定子內(nèi)表面緊密接觸，沿定子內(nèi)表面滑行，不發(fā)生脫空，以形成密封的工作容積。

3.各相對(duì)滑移運(yùn)動(dòng)表面，包括葉片與轉(zhuǎn)子葉片槽之間，轉(zhuǎn)子端面、定子湍面及葉片端面與兩側(cè)闆(配流盤)之間要有可靠的密封，限制壓油腔與吸油腔之間的洩漏。爲(wèi)此，要嚴(yán)格控制這些表面的配合間隙。

4.相鄰兩葉片間的密封容積在吸油區(qū)逐漸擴(kuò)大到******時(shí)，首先應(yīng)與吸油腔切斷，然后迅速轉(zhuǎn)移到壓油腔，以防壓油腔與吸油腔直接溝通。爲(wèi)此要求配流盤吸、排油窗口之間沿圓周的間隔，即兩個(gè)封油角應(yīng)等于或稍大于相鄰兩葉片之間的夾角。同時(shí)，爲(wèi)了避免發(fā)生困油現(xiàn)象，應(yīng)使兩封油葉片之間的容腔在兩個(gè)封油角角度范圍內(nèi)移動(dòng)時(shí)，其容積大小保持不變。

5.葉片泵在啓動(dòng)時(shí)要有足夠的轉(zhuǎn)速産生必要的離心力將葉片甩出，使葉片在根部尚無油液壓力作用的情況下，葉片頂部也能緊貼定子內(nèi)表面，以形成密封容積，使泵進(jìn)入吸、壓油工作狀態(tài)。

6.吸油腔應(yīng)充滿油液，不得出現(xiàn)吸空，否則混入空氣，壓油腔不能正常建立壓力。爲(wèi)保證吸油連續(xù)，對(duì)最高轉(zhuǎn)速和油液黏度都有一定限制。當(dāng)轉(zhuǎn)速超過1800r/min時(shí)，由于吸油速度太大，油液可能供給不足，除非結(jié)構(gòu)上采取措施以擴(kuò)大吸油通道；油液過于黏稠，流動(dòng)阻力較大，也容易造成吸油不足。

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DSG-02-3C4-A110-LW DSG-02-3C4-A220-LW DSG-02-3C60-D24-LW DSG-02-3C60-A110-LW
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S-BSG-03-2B3B-D24-N1-51 S-BSG-03-2B3B-A240-N1-51 S-BSG-03-3C3-D24-N1-51 S-BSG-03-1PN/NP
S-BSG-06-2B2-D24-N1-51 S-BSG-06-2B2-A240-N1-51 S-BSG-06-2B3A-D24-N1-51 S-BSG-06-2B3A-A240-N1-51
S-BSG-06-2B3B-D24-N1-51 S-BSG-06-2B3B-A240-N1-51 S-BSG-06-1PN/NP S-BSG-10-2B3A-D24(A240)-N1-51
S-BSG-10-2B3B-D24(A240)-N1-51
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BSG-03-3C3-D24(A240)-N1-48 BSG-06-2B3A-D24(A240)-N1-48 BSG-06-2B3B-D24(A240)-N1-48
BSG-06-2B2-D24(A240)-N1-48 BSG-10-2B3A-D24(A240)-N1-48 BSG-10-2B3B-D24(A240)-N1-48
BSG-03-1PN/NP BSG-06-1PN/NP BST-03-2B3A-D24(A240)-N1-48

BST-03-2B3B-D24(A240)-N1-48 BST-03-2B2-D24(A240)-N1-48 BST-06-2B3A-D24(A240)-N1-48
BST-06-2B3B-D24(A240)-N1-48 BST-06-2B2-D24(A240)-N1-48 BST-10-2B3A-D24(A240)-N1-48
BST-10-2B3B-D24(A240)-N1-48 
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