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1.選取和安裝
叉車配重的質量(liang)、質心(xin)位置(zhi)、后(hou)(hou)懸量(liang)由整(zheng)車(che)總體(ti)布置(zhi)給(gei)定,其(qi)中(zhong)平(ping)(ping)(ping)(ping)衡(heng)(heng)重(zhong)(zhong)(zhong)(zhong)(zhong)質量(liang)的選取主(zhu)要考慮叉(cha)車(che)滿(man)(man)載(zai)堆垛和滿(man)(man)載(zai)行駛(shi)時的縱向穩定性。平(ping)(ping)(ping)(ping)衡(heng)(heng)重(zhong)(zhong)(zhong)(zhong)(zhong)的質量(liang)直(zhi)接影響到叉(cha)車(che)前、后(hou)(hou)平(ping)(ping)(ping)(ping)衡(heng)(heng)的保護系(xi)數(shu),是決定叉(cha)車(che)保護系(xi)數(shu)的主(zhu)要參數(shu)。當平(ping)(ping)(ping)(ping)衡(heng)(heng)重(zhong)(zhong)(zhong)(zhong)(zhong)的總質量(liang)G定下來后(hou)(hou),即(ji)以后(hou)(hou)橋為基準,根據(ju)車(che)架上平(ping)(ping)(ping)(ping)衡(heng)(heng)重(zhong)(zhong)(zhong)(zhong)(zhong)的裝配(pei)形式,準確明確平(ping)(ping)(ping)(ping)衡(heng)(heng)重(zhong)(zhong)(zhong)(zhong)(zhong)的安裝尺(chi)寸。叉(cha)車(che)尾架上部(bu)外側有(you)2個(ge)倒置(zhi)的V形懸掛塊,將平(ping)(ping)(ping)(ping)衡(heng)(heng)重(zhong)(zhong)(zhong)(zhong)(zhong)用2條螺栓固定在其(qi)上。
2.通風孔
由于熱平衡(heng)是叉車很重(zhong)要的(de)參數,散熱性能不好很容(rong)易造成發動機冷卻水(shui)水(shui)溫過(guo)高現象,影響叉車整車性能。因此,平衡(heng)重(zhong)通風(feng)孔(kong)的(de)位(wei)置、風(feng)道與氣流(liu)(liu)導向(xiang)就顯(xian)得(de)很重(zhong)要。通風(feng)孔(kong)開的(de)越(yue)高越(yue)大越(yue)利于散熱;通風(feng)孔(kong)到散熱器之間采用(yong)圓角(jiao)過(guo)渡,以利于氣流(liu)(liu)導向(xiang),提散熱性能。
3.離去角
配重下(xia)端(duan)(duan)的(de)(de)離去角(jiao)(jiao)也很重要(yao),該(gai)角(jiao)(jiao)度(du)主要(yao)是為了(le)分開上、下(xia)坡(po)時平(ping)衡重下(xia)端(duan)(duan)與地面(mian)摩擦,理論(lun)上離去角(jiao)(jiao)與具(ju)體(ti)車型的(de)(de)大爬(pa)(pa)坡(po)角(jiao)(jiao)相等(deng)。平(ping)衡重下(xia)端(duan)(duan)切除(chu)點的(de)(de)位置要(yao)根(gen)據具(ju)體(ti)車型的(de)(de)大爬(pa)(pa)坡(po)度(du)、平(ping)衡重的(de)(de)后懸量來明(ming)確。
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