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訪問次數(shù):746更新時間:2017-05-18 14:00:47
柱塞泵是一種典型的容積式水力機(jī)械,由原動機(jī)驅(qū)動,把輸入的機(jī)械能轉(zhuǎn)換成為液體的壓力能,再以壓力、流量的形式輸入到系統(tǒng)中去,它是液壓系統(tǒng)的動力源,由于它能在高壓下輸送液體,因此在工業(yè)生產(chǎn)和日常生活中的各個行業(yè)都得到廣泛的應(yīng)用。
供應(yīng)德國REXROTH力士樂A11V柱塞泵上海原廠進(jìn)口代理
力士樂柱塞泵優(yōu)點(diǎn)
1. 參數(shù)高:額定壓力高,轉(zhuǎn)速高,力士樂油泵的驅(qū)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. 力士樂柱塞泵主要零件均受壓應(yīng)力,材料強(qiáng)度性能可得以充分利用
柱塞泵分為軸向柱塞泵和徑向柱塞泵兩種代表性的結(jié)構(gòu)形式;柱塞缸由于徑向柱塞泵屬于一種新型的技術(shù)含量比較高的高效泵,隨著國產(chǎn)化的不斷加快,徑向柱塞泵必然會成為柱塞泵應(yīng)用領(lǐng)域的重要組成部分;具體詳見徑向柱塞泵百科,以下僅以軸向柱塞泵為例進(jìn)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(nèi)往復(fù)運(yùn)動所產(chǎn)生的容積變化來進(jìn)行工作的。由于柱塞和柱塞孔都是圓形零件,加工時可以達(dá)到很高的精度配合,因此具有容積效率高,運(yùn)轉(zhuǎn)平穩(wěn),流量均勻性好,噪聲低,工作壓力高等優(yōu)點(diǎn),但對液壓油的污染較敏感,結(jié)構(gòu)較復(fù)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(jī)構(gòu)包括兩套精密偶件:柱塞(plunger)+柱塞套(barrel)構(gòu)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(gòu)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(jìn)、回油孔,均與泵上體內(nèi)低壓油腔相通,柱塞套裝入泵上體后,應(yīng)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(yán)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(nèi)的油倒流入噴油泵內(nèi)。
出油閥的下部呈十字?jǐn)嗝?,既能?dǎo)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(nèi)的油壓迅速下降,避免噴孔處產(chǎn)生滴油現(xiàn)象。當(dāng)環(huán)帶落入閥座內(nèi)時則使上方容積很快增大,壓力迅速減小,停噴迅速。
供應(yīng)德國REXROTH力士樂A11V柱塞泵上海原廠進(jìn)口代理
德國REXROTH力士樂A11V(L)O260系列常用型號查詢:
A11VO260LG2DU2/11L-NPD12K84VH-S
A11VO260LG2DU2/11L-NPD12K84VH-S
A11VO260LG2DU2/11L-NZD12N00VH-S
A11VO260LG2DU2/11L-NZD12N00VH-S
A11VO260LG2DU2/11R-NPD12K67VH-S
A11VO260LG2DU2/11R-NPD12K67VH-S
A11VO260LG2DU2/11R-NPD12K84VH-S
A11VO260LG2DU2/11R-NPD12K84VH-S
A11VO260LG2DU2/11R-NPD12N00VH-S
A11VO260LG2DU2/11R-NZD12N00H-S
A11VO260LG2DU2/11R-NZD12N00VH-S
A11VO260LG2DU2/11R-NZD12N00VH-S
A11VO260LG2DU2+A11VO190LG2DU2
A11VO260LG2DU2+A11VO190LG2DU2
A11VO260LG2DU2+A11VO190LG2DU2
A11VO260LG2DU2+A11VO260LG2DU2
A11VO260LG2DU2+A11VO260LG2DU2
A11VO260LG2DU2+A11VO260LG2DU2
A11VO260LG2DU2+A11VO260LG2DU2
A11VO260LRDC/11R-NZD12K67
A11VO260LRDCH1/11R-NZD12K07V
A11VO260LRDCH1/11R-NZD12K07V-S
A11VO260LRDCH1/11R-NZD12K67V
A11VO260LRDCH1/11R-NZD12K67V
A11VO260LRDCH1/11R-NZD12K67V-S
A11VO260LRDCH1/11R-NZD12N00V
A11VO260LRDCH1/11R-NZD12N00V
A11VO260LRDCH1/11R-NZD12N00V-S
A11VO260LRDCH1+A11VO260LRDCH1
A11VO260LRDCH1+A11VO260LRDCH1
A11VO260LRDCH1+A11VO260LRDCH1
A11VO260LRDCU2/11R-NZD12K67VH
A11VO260LRDCU2/11R-NZD12K67VH
A11VO260LRDCU2/11R-NZD12K67VH-S
A11VO260LRDCU2+A11VO260LRDCH1
A11VO260LRDCU2+A11VO260LRDCH1
A11VO260LRDCU2+A11VO260LRDCH1
A11VO260LRDCU2+A11VO260LRDCH1
A11VO260LRDCU2+A11VO260LRDCH1
A11VO260LRDG/11R-NPD12N00V
A11VO260LRDH1/11L-NSD12N00
A11VO260LRDH1/11L-NZD12K04
A11VO260LRDH1/11R-NPD12K01
A11VO260LRDH1/11R-NPD12K01-K
A11VO260LRDH1/11R-NPD12N00
A11VO260LRDH1/11R-NSD12K02
A11VO260LRDH1/11R-NSD12N00
A11VO260LRDH1/11R-NZD12K01
A11VO260LRDH1/11R-NZD12K01-K
A11VO260LRDH1/11R-NZD12K02
A11VO260LRDH1/11R-NZD12K02-K
A11VO260LRDH1/11R-NZD12K02-K
A11VO260LRDH1/11R-NZD12K02-K
A11VO260LRDH1/11R-NZD12K04
A11VO260LRDH1/11R-NZD12K79
A11VO260LRDH1+A10VO28DR
A11VO260LRDH2/11+A10VO28DR/31-K
力士樂柱塞泵A11VO/A11VLO系列常用型號:
A11VO40系列
A11VO40LRDH1/10R-NZC12K02
A11VO40DR/10R-NSC12N00
A11VO40DRG/10R-NPC12N00
A11VO40DR/10R-NPC12K04
A11VO40DR/10R-NSC12N00
A11VO40DR/10R-NPC12K02
A11VO40DR/10L-NTC12K04
A11VO40DR/10L-NSC12N00
A11VO40DR/10R-NPC12N00V
A11VO40DR/10R-NSC12K01
A11VO40DR/10R-NPC12K01
A11VO40DR/10R-NPC12N00V
A11VO40DR/10L-NZC12K01
A11VO40DR/10R-NSC12K02
A11VO40DR/10R-NZC12K01
A11VO40DR/10R-NZC12K02
A11VO40DR/10L-NZC12N00
A11VO40DR/10R-NPC12N00
A11VO40DR/10R-NZC12N00
A11VO40LRDH1/10R-NZC12K02
A11VO40DR/10R-NSC-12N00
A11VO40DRG/10R-NPC12N00
A11VO60系列
A11VO60DR/10L-NSC12K02
A11VO60DR/10L-NSC12N00
A11VO60DR/10R-NZC12N00
A11VO60DR/10L-NSC12K04
A11VO60DR/10R-NSC12N00
A11VO60DR/10R-NZC12K02
A11VO60DR/10L-NSC12K07
A11VO60DR/10R-NPC12K01
A11VO60DR/10R-NPC12N00E
A11VO60DR/10R-NSC12K01
A11VO60DR/10R-NSC12K02
A11VO60DR/10R-NPC12K52
A11VO60DR/10R-NZC12K01
A11VO60DR/10R-NPC12K61
A11VO60DR/10R-NPC12N00
A11VO60DRS/10R-NZC12N00
A11VO60DRS/10L-NZC12K07
A11VO75系列
A11VO75LRDS/10L-NZD12K01
A11VO75LRDS/10R-NPD12K04
A11VO75LRDS/10R-NSD12K86
A11VO75LRDS+A11VO75LRDS
A11VO75LRDS/10R-NSD12K02
A11VO75LRDS/10R-NZD12K04
A11VO75LRDS+A11VO75LRDS
A11VO75LRDS/10R-NSD12K01
A11VO75LRDS/10L-NSD12N00
A11VO75LRDS/10R-NPD12K01
A11VO75LRDS/10L-NSD12K01
A11VO75LRDS/10R-NZD12K61
A11VO75LRDS+A11VO60DRG
A11VO75LRDS/10R-NPD12K86
A11VO75LRDS+A11VO75LRDS
A11VO75LRDS+A11VO75LRDS
A11VO75LRDS/10R-NTD12K86
A11VO75LRDS+A11VO60DRG
A11VO75LRDS/10L-NZD12K02
A11VO75LRDS/10R-NZD12N00
A11VO75LRDS/10L-NZD12N00
A11VO75LRDS/10R-NZD12K01
A11VO75LRDS/10R-NPD12N00
A11VO75LRDS/10R-NSD12N00
A11VO75LRDS/10R-NZD12K81
A11vo75LRDS/10R-NSD12N00-S
A11VO75LR3S/10R-NZD12N00
A11VO75LRDS/10R-NSD12N00-S
A11VO95LRDS/10R-NSD12N00
A11VLO145LRDS/11L-NZD12N00
A11VLO145LRDS/11L-NZD12K83
A11VLO145LRDS/11R-NZD12N00
A11VLO145LRDS/11R-NZD12K83
A11VLO190LRDS/11R-NZD12K83
A11VLO190LDRS/11R-NZD12N00
A11VLO260LRDS/11R-NZD12k07
A11VLO190、A11VLO130、A11VLO145、A11VLO60、V30D140、V30D95、V30D250。 A11VLO145LRDS/11R-NZD12K82+A11VLO95LRDS/10R-NZD12NOO A11VLO145LRDS/11L-NZD12K83+A11VLO145LRDS/11L-NZD12NOO A11VO145LRDS/11R-NZD12K83+A11VO145LRDS/11R-NZD12NOO A11VLO190LRDS/11R-NZD12K83+A11VO145LRDS/11R-NZD12K07-S A11VLO190LRDS/11R-NZD12K84+A11VLO190LRDS/11R-NZD12K07-S A11VLO260LRDS/11R-NZD12K67+A11VLO260LRDS/11R-NZD12K07-S
A11VO95系列
A11VO95LRDS/10R-NSD12N00
A11VO95EP2D/10R-NSD12K02H
A11VO95SLRDS/10R-NZD12K82
A11VO130系列
A11VO130LRS/10R-NSD12N00
A11VO130LRS/10R-NPD12N00
A11VO130LRS/10R-NSD12K02
A11VO130LRS/10R-NPD12K02
A11VO130DRS/10R-NPD12N00
A11VO130DRS/10R-NSD12N00
A11VO130DRS/10R-NPD12K02
A11VO130DRS/10R-NSD12K02
A11VO130LRH2/10R-NSD12N00
A11VO130LRH2/10R-NPD12N00
A11VO130LRH2/10R-NSD12K02
A11VO130LRH2/10R-NPD12K02
A11VO130LRDS/10R-NZD12K61 + A11VO60LRDS/10R-NZC12N00
A11VO145系列
A11VO145LRDS/11L-NZD12K82
A11VO145LRDS/10L-NZD12N00
A11VO145LRDS/11R-NZD12N00 R902165033
供應(yīng)德國REXROTH力士樂A11V柱塞泵上海原廠進(jìn)口代理