一、液壓件是什么

液壓件是液壓泵、液壓馬達、液壓缸、液壓閥、增壓器等一切用于液壓系統的元件。液壓件分為：動力元件：液壓泵。控制元件：溢流閥，順序閥、方向閥等。執行元件：液壓馬達、液壓缸。輔件：油箱、管路等。液壓件是一種電動工具。

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二、液壓件配件有哪些

1、擺(bai)(bai)動(dong)(dong)(dong)液(ye)(ye)(ye)壓缸：擺(bai)(bai)動(dong)(dong)(dong)液(ye)(ye)(ye)壓缸是(shi)一(yi)個裝配緊密的(de)(de)配件，它在(zai)很小(xiao)(xiao)的(de)(de)空(kong)間里運(yun)用液(ye)(ye)(ye)壓集合了非常高(gao)的(de)(de)扭(niu)矩(ju)。它內部(bu)采用組合螺旋(xuan)齒結構，整個擺(bai)(bai)動(dong)(dong)(dong)液(ye)(ye)(ye)壓缸在(zai)較小(xiao)(xiao)的(de)(de)空(kong)間內可(ke)作(zuo)出(chu)較大的(de)(de)扭(niu)矩(ju)。盡管(guan)動(dong)(dong)(dong)力很高(gao)但是(shi)他們仍然可(ke)以精(jing)確容易地控制，擺(bai)(bai)動(dong)(dong)(dong)液(ye)(ye)(ye)壓缸已(yi)經成功地應用在(zai)了幾(ji)乎所有要求有限旋(xuan)轉運(yun)動(dong)(dong)(dong)且要大扭(niu)矩(ju)的(de)(de)領域。

2、三(san)位(wei)(wei)四通液壓電(dian)磁閥：是指閥有三(san)個(ge)工作位(wei)(wei)狀態，有四個(ge)油口（一(yi)般兩復(fu)進兩出制），分(fen)別(bie)用(yong)P、T、A、B表示，P為進油口，T為回油口、AB分(fen)別(bie)接(jie)執(zhi)行元件的上下兩腔，閥自然知位(wei)(wei)置時(shi)在中(zhong)位(wei)(wei)。根據換向(xiang)方式分(fen)不同道可分(fen)為：電(dian)磁式、電(dian)液式、手動式三(san)種(zhong)。

3、液控單向閥：液控(kong)單(dan)(dan)向(xiang)(xiang)閥是依靠(kao)控(kong)制(zhi)(zhi)(zhi)(zhi)流(liu)(liu)體(ti)壓(ya)力(li)，可以使(shi)單(dan)(dan)向(xiang)(xiang)閥反向(xiang)(xiang)流(liu)(liu)通(tong)(tong)的閥。這種閥在煤礦(kuang)機械的液壓(ya)支(zhi)護設備中占(zhan)有(you)(you)較重要的地位。液控(kong)單(dan)(dan)向(xiang)(xiang)閥與普通(tong)(tong)單(dan)(dan)向(xiang)(xiang)閥不(bu)(bu)同之處是多了(le)一(yi)個控(kong)制(zhi)(zhi)(zhi)(zhi)油(you)(you)(you)路K，當控(kong)制(zhi)(zhi)(zhi)(zhi)油(you)(you)(you)路未接(jie)通(tong)(tong)壓(ya)力(li)油(you)(you)(you)液時，液控(kong)單(dan)(dan)向(xiang)(xiang)閥就象普通(tong)(tong)單(dan)(dan)向(xiang)(xiang)閥一(yi)樣(yang)工作，壓(ya)力(li)油(you)(you)(you)只(zhi)從進油(you)(you)(you)口(kou)流(liu)(liu)向(xiang)(xiang)出油(you)(you)(you)口(kou)，不(bu)(bu)能反向(xiang)(xiang)流(liu)(liu)動(dong)。當控(kong)制(zhi)(zhi)(zhi)(zhi)油(you)(you)(you)路有(you)(you)控(kong)制(zhi)(zhi)(zhi)(zhi)壓(ya)力(li)輸入時，活(huo)塞頂桿在壓(ya)力(li)油(you)(you)(you)作用(yong)下向(xiang)(xiang)右移動(dong)，用(yong)頂桿頂開單(dan)(dan)向(xiang)(xiang)閥，使(shi)進出油(you)(you)(you)口(kou)接(jie)通(tong)(tong)。若出油(you)(you)(you)口(kou)大于進油(you)(you)(you)口(kou)就能使(shi)油(you)(you)(you)液反向(xiang)(xiang)流(liu)(liu)動(dong)。