*力士樂變量柱塞泵,德國(guó)力士樂嘉興

開式回路     RC 92 711/09.00
規(guī)格28....140
  31R系列
 額定壓力280 bar
峰值壓力 350 bar

此類型泵特點(diǎn):
— 用于液壓開式回路的斜盤結(jié)構(gòu)軸向柱塞變量泵
— 流量正比于驅(qū)動(dòng)轉(zhuǎn)速和排量,并能通過調(diào)節(jié)斜盤傾角實(shí)    現(xiàn)無級(jí)變量
— ISO標(biāo)準(zhǔn)的安裝法蘭
— 法蘭連接符合SAE米制
— 有兩個(gè)殼體泄油孔
— 優(yōu)良的吸入性能
— 允許連續(xù)運(yùn)行壓力可達(dá)280 bar

*力士樂變量柱塞泵,德國(guó)力士樂嘉興
— 噪聲
— 長(zhǎng)壽命
— 驅(qū)動(dòng)軸能承受軸向及徑向負(fù)載
— 高的功率/重量比
— 廣范圍的多種控制形式
— 控制響應(yīng)時(shí)間短
— 采用通軸結(jié)構(gòu),可用于多回路系統(tǒng)
– 斜軸結(jié)構(gòu)軸向柱塞變量泵，用于開式回路的液壓傳動(dòng)系統(tǒng)。
 　　– 適用于工程機(jī)械或工業(yè)領(lǐng)域。
 　　– 多種變量方式適用于各種控制和調(diào)節(jié)過程。
 　　– 堅(jiān)固的驅(qū)動(dòng)軸圓錐滾子軸承使泵結(jié)構(gòu)緊湊，壽命長(zhǎng)。
 　　– 輸出流量與轉(zhuǎn)速和排量成正比，排量從Vg max至Vg min＝0無級(jí)可調(diào)。

1）軸向柱塞泵。圖6-13所示為斜盤式軸向柱塞泵的工作原理圖，軸向柱塞泵由配流盤、缸體（轉(zhuǎn)子）、柱塞和斜盤等主要零件組成。在配流盤上開有兩個(gè)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(gè)弧形溝槽彼此隔開，保持定的密封性。斜盤相對(duì)于缸體的夾角為γ。原動(dòng)機(jī)通過傳動(dòng)軸帶動(dòng)缸體旋轉(zhuǎn)，柱塞就在柱塞孔內(nèi)作軸向往復(fù)滑動(dòng)。處于π～2π范圍內(nèi)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(nèi)的柱塞向缸體內(nèi)壓入，使其底部的密封容積減小，把油壓往系統(tǒng)中。

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