<p>英文摘要翻譯 &nbsp;of is In up to a of in in or of is in to of on of in up is to a on &nbsp; it is in of of &nbsp;At to a is is a or to is A is at to in is a is of A is in of &nbsp;of is in is &nbsp;of a &nbsp;is by in on in to to is is by of is A is a it of a &nbsp; is a as an in of to a of of to on by &nbsp; is of to &nbsp;is it is of 1 is of &nbsp;of is so to &nbsp;is by 1 is by 1is by &nbsp;is is it on &nbsp;on a in a in as it is it on as or A in a in to to of be or In a on s a or As or of to of is of As in in to in as it as of be in a of of In be by to or of In on to of is in is by to in a so an As to in so as as In is by of as as a of In of is in a on to or be a on is by of is of s of a a by to a no to As it of is to is is by to to s to is to by at or A of is In a is is by As to to as in a do In a at an to by in of as A to to to to of in of 0 30In s an is to &nbsp;be to of to of It s a 20 In is to is As s to of is so up to as to A 20 is is in or to &nbsp;in a of to of in to to of to at is by as a be In be in of in In a be to or a of or s of is to a in an to In be to a s to a is be 714 Q=in is to in If in do a in In at is on of a on a on in is a a in be is is by of a of in is a of a an in In be of is do a of to or of of a a to an of a as an of a a of is by In to is at a in as is is a be by or to If is so a of of be in in at of at a to in or be in a In a a in be to be a to On on in by a or of in is it of be is &nbsp;F &nbsp;000 is in A in to is as a of of a in or to of a is to to is of a of of it is a of a it of of be to &nbsp; in be a of in a a in a in be it of is a of of in or in Of A a by to in of is to be to as to be on on in a of By of of a an or in a be as a be an or on of to of a of of a be by of by to an or of of of to be by to of to in be so a in be a of a to is by 0 00 F, a of &nbsp;T by be a of An in up or is an of of or is to be by an of &nbsp;泵及其相關(guān)附件 &nbsp;常見的用于液壓系統(tǒng)的往復(fù)式泵有：徑向柱塞泵，軸向柱塞泵，雙聯(lián)和三聯(lián)泵。對于我們來說最熟悉的液壓泵是用于千斤頂上的。這種類型的泵在工作的時候，上下移動手柄是活塞也以相同的形式移動，活塞與缸體形成緊密的配合，在活塞向吸入裝置移動的過程中，液體被從水向中吸入到泵中，吸入動力由活塞通缸體的緊密配合產(chǎn)生?；钊蛏弦苿訒r，有一部分空氣從缸體中排出，致使港體內(nèi)的壓力小與周圍的大氣壓力，大氣壓力作用于水箱內(nèi)的液體的上表面，使液體順著管路進入缸體內(nèi)部，這就是水被吸入的 原理。值得強調(diào)的是，因為港體內(nèi)不同外面的大氣壓差是液體產(chǎn)生了流動。 &nbsp;在泵的吸入管口處有一個球形閥。這個閥的材料是固體橡膠或是金屬，用以保證進入缸體的液體不會泄露到外面。在泵處于停止?fàn)顟B(tài)時，也有個同樣的閥裝在缸體的進液口處。這是個節(jié)流閥，保證液體不會從缸體流出。在泵的柱塞上也有同樣作用的密封圈。 &nbsp;在活柱上升的過程中，球閥的閥球離開閥座，缸體內(nèi)的液體就隨著柱塞的移動流到外面。 &nbsp;當(dāng)柱塞向上移動到行程的頂部的時，經(jīng)過一段休止時間后才開始向下的行程。在鄉(xiāng)下運動的過程中，缸體一段的閥的閥球在液力的作用下壓緊閥座，使閥關(guān) 閉就可以防止也踢得向外泄漏，并為泵的下一工作循環(huán)準備。值得注意的是泵的工作行程是在柱塞在缸體中向上移動的過程中，故而在泵的兩個行程中，旨在一個行程中作用，這種泵叫單向泵。同樣在泵的兩個行程中都工作的叫雙作用泵，雙作用泵的工作效率是但作用的兩倍。 &nbsp;操縱手把從左到右運動則柱塞也作相應(yīng)的運動。在柱塞向右運動的過程中，作用在液體上的力使閥球離開閥座，閥被打開。在另一端的閥的閥球則壓在閥座上，阻止液體回到箱體中。在一個閥的閥球離開閥座時，液體從右邊流出泵，在同一過程中，另一側(cè)的閥打開，液體進入泵的腔室內(nèi)，當(dāng)柱塞從誘導(dǎo) 運動時，閥門被彈簧關(guān)閉。 &nbsp;所有的柱塞泵都以這樣一個原則運動，那就是隨著柱塞的往復(fù)運動吸入和排出液體。這類泵有兩種基本的結(jié)構(gòu)分別是軸向泵和徑向泵。兩種泵都可以做成定量的或者是變量的。在徑向泵中，柱塞按徑向排列在缸體內(nèi)，同樣在軸向泵中柱塞以平行于缸體主軸的方向排列在缸套中。軸向泵又可以分為直軸式和斜軸式兩種結(jié)構(gòu)。 &nbsp;在徑向泵中，在缸體內(nèi)轉(zhuǎn)子圈或回轉(zhuǎn)輪繞固定的樞軸轉(zhuǎn)動。當(dāng)缸體回轉(zhuǎn)時離心力注入壓力或某種形式的機械作用力使柱塞時時頂在定子圈的內(nèi)表面上，定子圈配置在偏離缸體中心線的位置。隨著柱塞在缸體內(nèi)的往復(fù)運動和樞軸的</p>