A4VSO71FR/10R-PPB25N00柱塞泵
南京軒創(chuàng)機(jī)電貿(mào)易有限公司供應(yīng)德國BOSCH REXROTH(博世 力士樂)
南京軒創(chuàng)機(jī)電貿(mào)易有限公司(簡稱“軒創(chuàng)液壓”)成立于2006年,位于江蘇省南京市。是一家批發(fā)零售:液壓油泵閥門的供應(yīng)商。主要產(chǎn)品有:德國力士樂(REXROTH),德國福伊特(VOITH),意大利維托斯(VTOZ),美國威格士(VICKERS),伊頓(EATON),日本東京計(jì)器(TOKIMEC)、油研(YUKEN)、(NACHI)、豐興(TOYOOKI,大金(DAIKIN),法國丹尼遜(DENISON),油圣(YEOSHE),凱嘉(KCL),福南(FURNAN)油泵等等。公司目前旗下有員工38人,公司一貫堅(jiān)持“用戶至上,信守合同”的宗旨,憑借著高質(zhì)量的產(chǎn)品,產(chǎn)品銷往近三十多個(gè)省、市、自治區(qū)以及遠(yuǎn)銷南非、新加坡等。
斜盤式軸向力士樂柱塞泵的結(jié)構(gòu)特點(diǎn):
斜盤式軸向柱塞泵的傳動(dòng)軸軸線與缸體軸線重合。斜盤式軸向柱塞泵結(jié)構(gòu),柱塞的頭部和滑履,以球鉸連接,柱塞在旋轉(zhuǎn)過程中,在彈簧的作用下,通過壓盤,始終壓在斜盤上,不會(huì)出現(xiàn)脫空現(xiàn)象。斜盤式軸向柱塞泵主要由泵體、缸體、配油盤、傳動(dòng)軸、柱塞、斜盤、變量活塞、絲桿、變量機(jī)構(gòu)殼體等零件組成。
在構(gòu)成吸、壓油腔密封容積的三對運(yùn)動(dòng)副中,滑履與斜盤之間的平面縫隙及缸體與配油盤之間的平面縫隙均采用靜壓平衡,從而使摩擦減。恢透左w孔之間的圓柱環(huán)形間隙配合精度高,通過此間隙的泄漏會(huì)減少。因而軸向柱塞泵的總效率較高,額定壓力可達(dá)32 MPa以上。
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力士樂斜盤式軸向柱塞泵的工作原理:
軸向柱塞泵可分為斜盤式和斜軸式兩大類,其基本工作原理是相同的。如圖13-16所示為斜盤式軸向柱塞泵的工作原理圖。泵主要由斜盤1、柱塞2、缸體3、配油盤4和傳動(dòng)軸5等零件組成。斜盤和配油盤是固定不動(dòng)的,柱塞和缸體由傳動(dòng)軸帶動(dòng)一起旋轉(zhuǎn),柱塞靠機(jī)械裝置或低壓油作用壓緊在斜盤上。當(dāng)電動(dòng)機(jī)帶動(dòng)傳動(dòng)軸按圖示方向旋轉(zhuǎn),缸體從圖示的下方位置向上方轉(zhuǎn)動(dòng)時(shí),柱塞逐漸向外伸出,于是柱塞與缸體孔形成的密封工作容積不斷增加,產(chǎn)生局部真空,從而將油液經(jīng)配油盤上的吸油窗口a 吸入,這就是吸油過程;當(dāng)缸體從圖示上方位置向下方轉(zhuǎn)動(dòng)時(shí),柱塞在斜盤作用下被壓進(jìn)孔中,密封工作容積不斷減小,將油液經(jīng)配油盤上的壓油窗口b 排到系統(tǒng)中,這就是壓油過程。缸體每轉(zhuǎn)一轉(zhuǎn),每個(gè)密封容積都完成一次吸油和壓油過程,若缸體不斷地旋轉(zhuǎn),則泵就吸油和壓油。
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