鏈條導軌式液壓升降作業平台(簡稱液壓貨梯)是一種垂直升降作業的簡易升降貨梯,采用液壓油缸頂升、鏈(lian)條(tiao)及(ji)鋼(gang)絲(si)繩(sheng)拉(la)動(dong)工(gong)作(zuo)台(tai)麵(mian),起(qi)升(sheng)到(dao)目(mu)標(biao)高(gao)度(du)後(hou),通(tong)過(guo)限(xian)位(wei)開(kai)關(guan)自(zi)動(dong)與(yu)樓(lou)層(ceng)平(ping)層(ceng),而(er)且(qie)在(zai)導(dao)軌(gui)頂(ding)部(bu)加(jia)裝(zhuang)極(ji)限(xian)限(xian)位(wei)開(kai)關(guan),防(fang)止(zhi)平(ping)層(ceng)限(xian)位(wei)開(kai)關(guan)失(shi)效(xiao)貨(huo)梯(ti)繼(ji)續(xu)升(sheng)降(jiang)造(zao)成(cheng)危(wei)險(xian)事(shi)故(gu)。鋼(gang)絲(si)繩(sheng)起(qi)到(dao)左(zuo)右(you)同(tong)步(bu)作(zuo)用(yong)及(ji)安(an)全(quan)防(fang)墜(zhui)作(zuo)用(yong)。當(dang)鏈(lian)條(tiao)突(tu)然(ran)斷(duan)裂(lie),鋼(gang)絲(si)繩(sheng)可(ke)使(shi)工(gong)作(zuo)台(tai)麵(mian)瞬(shun)時(shi)停(ting)在(zai)該(gai)位(wei)置(zhi)不(bu)使(shi)工(gong)作(zuo)台(tai)麵(mian)劇(ju)烈(lie)下(xia)墜(zhui),起(qi)到(dao)安(an)全(quan)防(fang)護(hu)作(zuo)用(yong)。在(zai)液(ye)壓(ya)油(you)路(lu)加(jia)裝(zhuang)壓(ya)力(li)傳(chuan)感(gan)器(qi),超(chao)過(guo)額(e)定(ding)載(zai)荷(he)時(shi),工(gong)作(zuo)壓(ya)力(li)增(zeng)大(da),通(tong)過(guo)控(kong)製(zhi)信(xin)號(hao)切(qie)斷(duan)電(dian)動(dong)機(ji)電(dian)源(yuan),升(sheng)降(jiang)機(ji)不(bu)工(gong)作(zuo),起(qi)到(dao)安(an)全(quan)防(fang)護(hu)作(zuo)用(yong)。整(zheng)機(ji)的(de)安(an)全(quan)係(xi)數(shu)設(she)計(ji)為(wei):125%,工作安全係數大。