
威(wei)海力(li)建液壓設備廠
經營(ying)模式:生產加工
地(di)址:山東省(sheng)威海(hai)市羊亭孫家灘工業園
主營:液壓(ya)缸(gang),油缸(gang),液壓(ya)系統
業務熱線:
QQ:3049278720
液(ye)壓制(zhi)動(dong)(dong)(dong)系統產生(sheng)制(zhi)動(dong)(dong)(dong)效能不(bu)良的原因,一般(ban)可根據制(zhi)動(dong)(dong)(dong)踏(ta)(ta)板行程(俗稱高、低)、踏(ta)(ta)制(zhi)動(dong)(dong)(dong)踏(ta)(ta)板時的軟硬感(gan)覺、踏(ta)(ta)下制(zhi)動(dong)(dong)(dong)踏(ta)(ta)板后(hou)的穩定性以及邊疆多腳制(zhi)動(dong)(dong)(dong)時踏(ta)(ta)板高度來判斷(duan)。
1.一般(ban)制(zhi)動(dong)時踏板高(gao)度太低(di)zhi動(dong)效能不良。如連續兩腳(jiao)或幾腳(jiao)制(zhi)動(dong),踏板高(gao)度隨這(zhe)高(gao)且(qie)制(zhi)動(dong)效能好轉,說明制(zhi)動(dong)鼓(gu)與磨擦片或總泵活塞(sai)與推桿的間隙過大。
2維持制(zhi)動(dong)時,踏板的(de)高度若緩慢或(huo)迅速下降,說(shuo)明(ming)制(zhi)動(dong)管路某處(chu)裂紋、接頭密閉(bi)不良或(huo)分泵皮(pi)碗密封不良,其回位彈簧過(guo)軟或(huo)折斷(duan),或(huo)總泵皮(pi)碗、皮(pi)圈(quan)密封不良,回油閥及出油閥不良。可首(shou)先踏下制(zhi)動(dong)踏板,觀察有無制(zhi)動(dong)液滲漏部位。若外部正常,則應檢查分泵或(huo)總泵故障。
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液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)站又稱(cheng)(cheng)為(wei)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)站,系統(tong)(tong)元件主(zhu)要是(shi)由(you)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)、液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)缸、液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)馬達、液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)閥等構成的。液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)是(shi)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)的心臟,簡稱(cheng)(cheng)油(you)泵(beng)。在液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)中,一定(ding)至少有一個泵(beng)。液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)是(shi)一種能(neng)(neng)量轉換(huan)裝(zhuang)置,它的作用(yong)是(shi)使液(ye)(ye)體發生運動,把(ba)機械能(neng)(neng)轉換(huan)成流體能(neng)(neng)(也(ye)叫做液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)能(neng)(neng))。液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)
泵是液壓(ya)傳(chuan)動(dong)系(xi)統中的(de)動(dong)力元件,由原動(dong)機(ji)驅動(dong),從(cong)原動(dong)機(ji)的(de)輸(shu)出(chu)功率中取(qu)出(chu)機(ji)械能(neng),為系(xi)統提供壓(ya)力油(you)液。然(ran)后,在需(xu)要做功的(de)場所(suo),由執行元件(液壓(ya)缸(gang)或液壓(ya)馬達)再把流體壓(ya)力能(neng)轉(zhuan)換成機(ji)械能(neng)輸(shu)出(chu)。
液壓(ya)泵是(shi)把原動機(電(dian)動機、內燃機等(deng))傳遞的(de)(de)機械(xie)能轉換(huan)為液壓(ya)能的(de)(de)機械(xie)裝置。各(ge)類(lei)液壓(ya)泵構成泵送(song)作(zuo)用的(de)(de)元件(jian)不同,但(dan)泵送(song)原理(li)是(shi)相(xiang)同的(de)(de),所(suo)有(you)(you)的(de)(de)泵在(zai)吸油側(ce)容積增(zeng)大,在(zai)壓(ya)油側(ce)容減小。液壓(ya)系統中使用的(de)(de)泵均為容積式泵,有(you)(you)許多類(lei)型(xing)(xing),其(qi)中典型(xing)(xing)的(de)(de)有(you)(you):
液(ye)壓(ya)(ya)泵(beng)流量(liang)(liang)是(shi)否可(ke)調節分為(wei)(wei):變(bian)(bian)量(liang)(liang)泵(beng)和定(ding)量(liang)(liang)泵(beng)。輸出流量(liang)(liang)可(ke)以根據需要來調節的(de)(de)稱(cheng)為(wei)(wei)變(bian)(bian)量(liang)(liang)泵(beng),流量(liang)(liang)不能調節的(de)(de)稱(cheng)為(wei)(wei)定(ding)量(liang)(liang)泵(beng)。按液(ye)壓(ya)(ya)系(xi)統中常用的(de)(de)泵(beng)結構分為(wei)(wei):齒輪泵(beng)(含擺線泵(beng))、葉片(pian)泵(beng)、柱塞泵(beng)和螺桿泵(beng)等。液(ye)壓(ya)(ya)泵(beng)的(de)(de)分類
泵(beng)站(zhan)是液(ye)壓(ya)(ya)(ya)(ya)系(xi)統的(de),一個(ge)性能、設計有效的(de)液(ye)壓(ya)(ya)(ya)(ya)機泵(beng)站(zhan)對機器設備的(de)性能、使(shi)用壽命、應用成本、維修抗壓(ya)(ya)(ya)(ya)強度會產(chan)生尤(you)為重要的(de)影響。因(yin)此在要想液(ye)壓(ya)(ya)(ya)(ya)系(xi)統平穩運行,液(ye)壓(ya)(ya)(ya)(ya)系(xi)統應該選擇一個(ge)質量可靠的(de)泵(beng)站(zhan)!
