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1.選取和安裝
叉車配重的(de)(de)質(zhi)(zhi)量(liang)、質(zhi)(zhi)心位置(zhi)、后懸量(liang)由整車總體布置(zhi)給定(ding)(ding)(ding)(ding),其(qi)中平(ping)(ping)衡(heng)(heng)重(zhong)質(zhi)(zhi)量(liang)的(de)(de)選(xuan)取主要考慮叉(cha)車滿(man)載堆垛和滿(man)載行駛時的(de)(de)縱向穩定(ding)(ding)(ding)(ding)性。平(ping)(ping)衡(heng)(heng)重(zhong)的(de)(de)質(zhi)(zhi)量(liang)直接影(ying)響到叉(cha)車前(qian)、后平(ping)(ping)衡(heng)(heng)的(de)(de)保護系(xi)數,是決定(ding)(ding)(ding)(ding)叉(cha)車保護系(xi)數的(de)(de)主要參(can)數。當平(ping)(ping)衡(heng)(heng)重(zhong)的(de)(de)總質(zhi)(zhi)量(liang)G定(ding)(ding)(ding)(ding)下來后,即以后橋為基(ji)準(zhun),根據(ju)車架上平(ping)(ping)衡(heng)(heng)重(zhong)的(de)(de)裝配(pei)形式,準(zhun)確明確平(ping)(ping)衡(heng)(heng)重(zhong)的(de)(de)安裝尺寸。叉(cha)車尾架上部外側有2個倒(dao)置(zhi)的(de)(de)V形懸掛塊,將平(ping)(ping)衡(heng)(heng)重(zhong)用2條螺栓固定(ding)(ding)(ding)(ding)在其(qi)上。
2.通風孔
由于熱(re)(re)平衡(heng)是(shi)叉車(che)(che)很(hen)重(zhong)(zhong)要的參數(shu),散(san)熱(re)(re)性(xing)能不好很(hen)容(rong)易造(zao)成發動機冷卻水水溫過(guo)高現象,影響叉車(che)(che)整車(che)(che)性(xing)能。因此,平衡(heng)重(zhong)(zhong)通(tong)風孔(kong)(kong)的位置(zhi)、風道與氣(qi)流導向就(jiu)顯得很(hen)重(zhong)(zhong)要。通(tong)風孔(kong)(kong)開的越(yue)高越(yue)大越(yue)利于散(san)熱(re)(re);通(tong)風孔(kong)(kong)到散(san)熱(re)(re)器(qi)之間(jian)采用圓(yuan)角(jiao)過(guo)渡,以利于氣(qi)流導向,提(ti)散(san)熱(re)(re)性(xing)能。
3.離去角
配(pei)重(zhong)(zhong)下端(duan)的(de)離去角也很重(zhong)(zhong)要(yao),該角度(du)主要(yao)是(shi)為了分開上、下坡(po)時平(ping)衡(heng)重(zhong)(zhong)下端(duan)與地面摩擦,理論上離去角與具體車(che)(che)型的(de)大爬坡(po)角相(xiang)等。平(ping)衡(heng)重(zhong)(zhong)下端(duan)切(qie)除點的(de)位置要(yao)根據具體車(che)(che)型的(de)大爬坡(po)度(du)、平(ping)衡(heng)重(zhong)(zhong)的(de)后懸量來(lai)明確。
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