威格士柱塞泵PVH057R01AA1華北經(jīng)銷

威格士柱塞泵是往復(fù)泵的一種，屬于體積泵，其柱塞靠泵軸的偏心轉(zhuǎn)動驅(qū)動，往復(fù)運(yùn)動，其吸入和排出閥都是單向閥。當(dāng)柱塞外拉時，工作室內(nèi)壓力降低，出口閥關(guān)閉，低于進(jìn)口壓力時，進(jìn)口閥打開，液體進(jìn)入；柱塞內(nèi)推時，工作室壓力升高，進(jìn)口閥關(guān)閉，高于出口壓力時，出口閥打開，液體排出。帶滑靴結(jié)構(gòu)的軸向柱塞泵是使用廣泛的軸向柱塞泵，安放在缸體中的柱塞通過滑靴與斜盤相接觸，當(dāng)傳動軸帶動缸體旋轉(zhuǎn)時，斜盤將柱塞從缸體中拉出或推回，完成吸排油過程。柱塞與缸孔組成的工作容腔中的油液通過配油盤分別與泵的吸、排油腔相通。變量機(jī)構(gòu)用來改變斜盤的傾角，通過調(diào)節(jié)斜盤的傾角可改變泵的排量。

柱塞泵漏油主要有以下原因：

(1)主軸油封損壞或軸有缺陷、劃痕；

(2)內(nèi)部泄漏過大，造成油封處壓力增大，而將油封損傷或沖出；

(3)泄油管過細(xì)過長，使密封處漏油；

(4)泵的外接油管松動，管接頭損傷，密封墊老化或產(chǎn)生裂紋；

(5)變量調(diào)節(jié)機(jī)構(gòu)螺栓松動，密封破損；

(6)鑄鐵泵殼有砂眼或焊接不良

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威格士柱塞泵PVH057R01AA1華北經(jīng)銷