
威海力建(jian)液壓設備廠(chang)
經營模式:生(sheng)產加(jia)工(gong)
地址:山東省(sheng)威(wei)海(hai)市(shi)羊亭(ting)孫家灘工業園
主營:液壓缸(gang),油缸(gang),液壓系統
業(ye)務(wu)熱線:
QQ:3049278720
擺動式液壓缸
擺動(dong)(dong)(dong)(dong)(dong)式(shi)液壓(ya)缸(gang)是(shi)輸出扭矩并實現往(wang)復(fu)運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)執行元件,有單葉(xie)片、雙葉(xie)片、螺(luo)旋(xuan)擺動(dong)(dong)(dong)(dong)(dong)等幾種(zhong)形(xing)式(shi)。葉(xie)片式(shi)式(shi):定子塊固定在(zai)缸(gang)體上,而葉(xie)片和轉(zhuan)子連接(jie)在(zai)一起。根據進(jin)油方向,葉(xie)片將帶動(dong)(dong)(dong)(dong)(dong)轉(zhuan)子作往(wang)復(fu)擺動(dong)(dong)(dong)(dong)(dong)。螺(luo)旋(xuan)擺動(dong)(dong)(dong)(dong)(dong)式(shi)又分單螺(luo)旋(xuan)擺動(dong)(dong)(dong)(dong)(dong)和雙螺(luo)旋(xuan)兩種(zhong),現在(zai)雙螺(luo)旋(xuan)比較常用,靠(kao)兩個螺(luo)旋(xuan)副降液壓(ya)缸(gang)內活(huo)塞的(de)直線(xian)運(yun)動(dong)(dong)(dong)(dong)(dong)轉(zhuan)變為直線(xian)運(yun)動(dong)(dong)(dong)(dong)(dong)與自轉(zhuan)運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)復(fu)he運(yun)動(dong)(dong)(dong)(dong)(dong),從而實現擺動(dong)(dong)(dong)(dong)(dong)運(yun)動(dong)(dong)(dong)(dong)(dong)。





有(you)(you)異(yi)(yi)物進入后,活(huo)塞(sai)(sai)滑動(dong)表面的外側如(ru)裝(zhuang)有(you)(you)帶唇緣的密(mi)封(feng)件(jian),那么,工作(zuo)時密(mi)封(feng)件(jian)的唇緣即可刮動(dong)異(yi)(yi)物,這對于避免劃傷是(shi)有(you)(you)利的。但是(shi)裝(zhuang)0形密(mi)封(feng)圈(quan)的活(huo)塞(sai)(sai),其兩端(duan)是(shi)滑動(dong)表面,異(yi)(yi)物夾在此滑動(dong)表面之間,容易形成傷痕(hen)。
異物進入缸內的途徑有(you)下列幾種。
① 進入缸內的異物
a.由于保(bao)管時(shi)不(bu)注意使油(you)口敞開著,將(jiang)產生時(shi)刻接受異物的條件,這是不(bu)允(yun)許(xu)的。保(bao)管時(shi)必須注入防銹油(you)或(huo)者工作油(you)液(ye),并(bing)且塞好(hao)。
液壓(ya)缸(gang)泄漏(lou)帶來的(de)危害很多,既(ji)是液壓(ya)缸(gang)產生各種(zhong)故(gu)障的(de)原因(yin)之一,又(you)是影(ying)響安全、污(wu)染環境的(de)重要因(yin)素(su),所以應引起足夠的(de)重視。
液壓缸(gang)(gang)的泄(xie)(xie)漏(lou)包括外(wai)泄(xie)(xie)漏(lou)和外(wai)泄(xie)(xie)漏(lou)兩種情(qing)況。外(wai)泄(xie)(xie)漏(lou)是(shi)(shi)指(zhi)液壓缸(gang)(gang)缸(gang)(gang)筒(tong)和缸(gang)(gang)蓋(gai)(gai)、缸(gang)(gang)底、油口、排(pai)氣閥、緩沖調節閥、缸(gang)(gang)蓋(gai)(gai)與(yu)(yu)活(huo)塞(sai)(sai)桿處等(deng)外(wai)部(bu)(bu)的漏(lou)油,容易從外(wai)部(bu)(bu)直(zhi)接(jie)觀(guan)察出。內(nei)泄(xie)(xie)漏(lou)是(shi)(shi)指(zhi)液壓缸(gang)(gang)內(nei)部(bu)(bu)高壓腔的壓力油向(xiang)低(di)壓腔滲漏(lou),它發生在活(huo)塞(sai)(sai)與(yu)(yu)缸(gang)(gang)內(nei)壁、活(huo)塞(sai)(sai)內(nei)孔與(yu)(yu)活(huo)塞(sai)(sai)桿連接(jie)處。內(nei)泄(xie)(xie)漏(lou)不能直(zhi)接(jie)觀(guan)察到。不論是(shi)(shi)內(nei)泄(xie)(xie)漏(lou)和外(wai)泄(xie)(xie)漏(lou),其泄(xie)(xie)漏(lou)的原因主要是(shi)(shi)密封不良、連接(jie)處接(jie)觸(chu)不良等(deng)。

李建波先生
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