
威海力建液壓設備廠
經營模(mo)式:生產加工
地址:山東省威海(hai)市羊亭孫家灘工(gong)業園(yuan)
主營(ying):液壓缸(gang),油缸(gang),液壓系統
業務熱(re)線:
QQ:3049278720
(5)液壓缸(gang)初始動作緩(huan)慢。在(zai)溫(wen)(wen)(wen)度(du)較低(di)的(de)(de)情況下,液壓油黏度(du)大,流動性差(cha),導致液壓缸(gang)動作緩(huan)慢。改善方法是(shi),更(geng)換黏溫(wen)(wen)(wen)性能較好的(de)(de)液壓油,在(zai)低(di)溫(wen)(wen)(wen)下可借(jie)助(zhu)加(jia)熱器或用機(ji)器自身加(jia)熱以(yi)提升啟(qi)動時的(de)(de)油溫(wen)(wen)(wen),系統正常工作油溫(wen)(wen)(wen)應保持(chi)在(zai)40℃左右(you)。
2、工作(zuo)時不能驅動(dong)負載
主要表現為活塞(sai)桿停(ting)位(wei)不準(zhun)、推力不足、速度下降(jiang)、工作不穩定等,其原因是:





其次是裝(zhuang)(zhuang)配(pei)時有異物進入及(ji)(ji)密封材料質量不好(hao)。其后果則(ze)是動(dong)作(zuo)緩慢、無力,嚴重時還會造成(cheng)活塞及(ji)(ji)缸筒(tong)的損(sun)壞,出現“拉缸”現象。處理方法是調整速度(du)控(kong)制閥,對(dui)照安(an)裝(zhuang)(zhuang)說明應做必(bi)要的操作(zuo)和改(gai)進。
(2)液壓(ya)回(hui)路泄漏。包括閥(fa)及液壓(ya)管(guan)(guan)路的泄漏。檢修方法是通過操縱(zong)換向閥(fa)檢查并消除液壓(ya)連接(jie)管(guan)(guan)路的泄漏。
(3)液壓油(you)經溢流閥旁(pang)通回油(you)箱。
液(ye)壓缸(gang)(gang)結構基本上可以分(fen)為缸(gang)(gang)筒(tong)(tong)和缸(gang)(gang)蓋(gai)、活塞和活塞桿、密封裝(zhuang)置(zhi)(zhi)、緩(huan)沖裝(zhuang)置(zhi)(zhi)和排氣裝(zhuang)置(zhi)(zhi)五個部(bu)分(fen)。今天威海力(li)建小編(bian)著重帶著大家了解一下(xia)缸(gang)(gang)筒(tong)(tong)和缸(gang)(gang)蓋(gai)。
缸筒(tong)和缸蓋
一般(ban)來(lai)說,缸(gang)(gang)(gang)(gang)筒和(he)(he)缸(gang)(gang)(gang)(gang)蓋的結構(gou)形(xing)(xing)式(shi)(shi)和(he)(he)其使(shi)用(yong)(yong)的材料(liao)有(you)關。工作壓力(li)p<10MPa時(shi),使(shi)用(yong)(yong)鑄鐵(tie)(tie);p<20MPa時(shi),使(shi)用(yong)(yong)無(wu)縫鋼(gang)管(guan);p>20MPa時(shi),使(shi)用(yong)(yong)鑄鋼(gang)或(huo)鍛鋼(gang)。法蘭連(lian)接式(shi)(shi),結構(gou)簡單,容(rong)(rong)易(yi)(yi)加工,也容(rong)(rong)易(yi)(yi)裝(zhuang)拆,但(dan)(dan)(dan)外(wai)形(xing)(xing)尺(chi)寸和(he)(he)重(zhong)量都較(jiao)大,常用(yong)(yong)于鑄鐵(tie)(tie)制(zhi)的缸(gang)(gang)(gang)(gang)筒上(shang)。半環(huan)(huan)連(lian)接式(shi)(shi),它的缸(gang)(gang)(gang)(gang)筒壁部因開了環(huan)(huan)形(xing)(xing)槽(cao)而削弱(ruo)了強度(du),為此有(you)時(shi)要加厚缸(gang)(gang)(gang)(gang)壁,它容(rong)(rong)易(yi)(yi)加工和(he)(he)裝(zhuang)拆,重(zhong)量較(jiao)輕,常用(yong)(yong)于無(wu)縫鋼(gang)管(guan)或(huo)鍛鋼(gang)制(zhi)的缸(gang)(gang)(gang)(gang)筒上(shang)。螺(luo)紋連(lian)接式(shi)(shi),它的缸(gang)(gang)(gang)(gang)筒端部結構(gou)復雜,外(wai)徑加工時(shi)要求(qiu)保證內外(wai)徑同心,裝(zhuang)拆要使(shi)用(yong)(yong)工具,它的外(wai)形(xing)(xing)尺(chi)寸和(he)(he)重(zhong)量都較(jiao)小,常用(yong)(yong)于無(wu)縫鋼(gang)管(guan)或(huo)鑄鋼(gang)制(zhi)的缸(gang)(gang)(gang)(gang)筒上(shang)。拉桿連(lian)接式(shi)(shi),結構(gou)的通(tong)用(yong)(yong)性大,容(rong)(rong)易(yi)(yi)加工和(he)(he)裝(zhuang)拆,但(dan)(dan)(dan)外(wai)形(xing)(xing)尺(chi)寸較(jiao)大,且(qie)(qie)較(jiao)重(zhong)。焊(han)接連(lian)接式(shi)(shi),結構(gou)簡單,尺(chi)寸小,但(dan)(dan)(dan)缸(gang)(gang)(gang)(gang)底處內徑不易(yi)(yi)加工,且(qie)(qie)可能引起變形(xing)(xing)。