製動起(qi)重(zhong)機(ji)本(ben)身(shen)工(gong)作(zuo)量(liang)較(jiao)大(da)，使(shi)用(yong)頻(pin)繁(fan)，是(shi)耗(hao)費(fei)較(jiao)大(da)的(de)設(she)備(bei)，在(zai)使(shi)用(yong)中(zhong)對(dui)機(ji)器(qi)的(de)磨(mo)損(sun)嚴(yan)重(zhong)，如(ru)果(guo)不(bu)能(neng)采(cai)取(qu)一(yi)定(ding)的(de)措(cuo)施(shi)對(dui)其(qi)進(jin)行(xing)有(you)效(xiao)的(de)保(bao)護(hu)，對(dui)於(yu)後(hou)期(qi)使(shi)用(yong)的(de)安(an)全(quan)性(xing)造(zao)成(cheng)一(yi)定(ding)的(de)影(ying)響(xiang)。早(zao)期(qi)的(de)起(qi)重(zhong)機(ji)製(zhi)動(dong)裝(zhuang)置(zhi)主(zhu)要(yao)是(shi)通(tong)過(guo)電(dian)磁(ci)鐵(tie)製(zhi)動(dong)器(qi)或(huo)者(zhe)是(shi)液(ye)壓(ya)推(tui)杆(gan)製(zhi)動(dong)器(qi)
，但(dan)是(shi)這(zhe)些(xie)製(zhi)動(dong)設(she)備(bei)在(zai)使(shi)用(yong)的(de)過(guo)程(cheng)中(zhong)安(an)全(quan)性(xing)和(he)可(ke)靠(kao)性(xing)較(jiao)差(cha)，因(yin)此(ci)使(shi)用(yong)過(guo)程(cheng)中(zhong)具(ju)有(you)不(bu)穩(wen)定(ding)性(xing)。而(er)腳(jiao)踏(ta)式(shi)液(ye)壓(ya)製(zhi)動(dong)器(qi)安(an)全(quan)性(xing)和(he)穩(wen)定(ding)性(xing)大(da)幅(fu)度(du)提(ti)升(sheng)，本(ben)文(wen)主(zhu)要(yao)針(zhen)對(dui)腳(jiao)踏(ta)式(shi)液(ye)壓(ya)製(zhi)動(dong)器(qi)在(zai)橋(qiao)式(shi)起(qi)重(zhong)機(ji)上(shang)的(de)應(ying)用(yong)進(jin)行(xing)分(fen)析(xi)。起(qi)重(zhong)機(ji)本(ben)身(shen)工(gong)作(zuo)量(liang)較(jiao)大(da)
，使(shi)用(yong)頻(pin)繁(fan)，是(shi)耗(hao)費(fei)較(jiao)大(da)的(de)設(she)備(bei)
，在(zai)使(shi)用(yong)中(zhong)對(dui)機(ji)器(qi)的(de)磨(mo)損(sun)嚴(yan)重(zhong)，如(ru)果(guo)不(bu)能(neng)采(cai)取(qu)一(yi)定(ding)的(de)措(cuo)施(shi)對(dui)其(qi)進(jin)行(xing)有(you)效(xiao)的(de)保(bao)護(hu)，對(dui)於(yu)後(hou)期(qi)使(shi)用(yong)的(de)安(an)全(quan)性(xing)造(zao)成(cheng)一(yi)定(ding)的(de)影(ying)響(xiang)。早(zao)期(qi)的(de)起(qi)重(zhong)機(ji)製(zhi)動(dong)裝(zhuang)置(zhi)主(zhu)要(yao)是(shi)通(tong)過(guo)電(dian)磁(ci)鐵(tie)製(zhi)動(dong)器(qi)或(huo)者(zhe)是(shi)液(ye)壓(ya)推(tui)杆(gan)製(zhi)動(dong)器(qi)，但(dan)是(shi)這(zhe)些(xie)製(zhi)動(dong)設(she)備(bei)在(zai)使(shi)用(yong)的(de)過(guo)程(cheng)中(zhong)安(an)全(quan)性(xing)和(he)可(ke)靠(kao)性(xing)較(jiao)差(cha)
，因(yin)此(ci)使(shi)用(yong)過(guo)程(cheng)中(zhong)具(ju)有(you)不(bu)穩(wen)定(ding)性(xing)。而(er)腳(jiao)踏(ta)式(shi)液(ye)壓(ya)製(zhi)動(dong)器(qi)安(an)全(quan)性(xing)和(he)穩(wen)定(ding)性(xing)大(da)幅(fu)度(du)提(ti)升(sheng)，本(ben)文(wen)主(zhu)要(yao)針(zhen)對(dui)腳(jiao)踏(ta)式(shi)液(ye)壓(ya)製(zhi)動(dong)器(qi)在(zai)橋(qiao)式(shi)起(qi)重(zhong)機(ji)上(shang)的(de)應(ying)用(yong)進(jin)行(xing)分(fen)析(xi)。鉗1一般設計成可以相對於製動盤4軸向移動。在製動盤的內側設有液壓油缸9
，外側的固定製動塊5附(fu)裝(zhuang)在(zai)鉗(qian)體(ti)上(shang)。製(zhi)動(dong)時(shi)
，製(zhi)動(dong)液(ye)被(bei)壓(ya)入(ru)油(you)缸(gang)中(zhong)，在(zai)液(ye)壓(ya)作(zuo)用(yong)下(xia)活(huo)塞(sai)向(xiang)左(zuo)移(yi)動(dong)，推(tui)動(dong)活(huo)動(dong)製(zhi)動(dong)塊(kuai)也(ye)向(xiang)左(zuo)移(yi)動(dong)並(bing)壓(ya)靠(kao)到(dao)製(zhi)動(dong)盤(pan)上(shang)，於(yu)是(shi)製(zhi)動(dong)盤(pan)給(gei)活(huo)塞(sai)一(yi)個(ge)向(xiang)右(you)的(de)反(fan)作(zuo)用(yong)力(li)，使(shi)活(huo)塞(sai)連(lian)同(tong)製(zhi)動(dong)鉗(qian)體(ti)整(zheng)體(ti)沿(yan)導(dao)向(xiang)銷(xiao)2向右移動，直到製動盤左側的固定製動塊5也壓到製動盤上。這時兩側製動塊都壓在製動盤上，製動塊製動盤，產生阻止車輪轉動的摩擦力矩
，實現製動。

製動盤1 固定在輪轂上，製動鉗5 固定在車橋上，既不能旋轉也不能沿製動盤軸向移動。製動鉗內裝有兩個製動輪缸活塞2
，分別壓住製動盤兩側的製動塊3。dangjiashiyuancaixiazhidongtabanshiqichezhidongshi
，laidongzhugangdezhidongyebeiyaruzhidonglungang
，zhidonglungangdeyeyashangsheng，lianglunganghuosaizaiyeyazuoyongxiayixiangzhidongpan
，jiangzhidongkuaiyakaodaozhidongpanshang

，zhidongkuaizhidongpan，chanshengzuzhichelunzhuandongdemocaliju
，shixianzhidong。