在鑽孔作業之前需要對桅杆進行定位設置,一般情況下,做直孔作業,所以需要對桅杆進行調垂。旋挖鑽機調垂可分為手動調垂、自動調垂兩種方式。在桅杆相對零位±5°範圍內才可通過顯示器上的自動調垂按鈕進行自動調垂作業;而桅杆超出相對零位±5°範圍時,隻能通過顯示器上的點動按鈕或左操作箱上的電氣手柄進行手動調垂工作。
鑽孔機成孔一般為清水施工工藝,無需泥漿護壁;若有地下水分布,且孔壁不穩定,可向孔內投入護壁泥漿或穩定液進行護壁。以下是旋挖鑽機鑽孔施工的基本操作:
qingshuishigongshi,jiangyaochikaiguandadaodianyuandang,xuanwazuanjidexianshiqixianshixuanwazuanjibiaojihuamian,anrenyijianjinrugongzuohuamian。xianjinxingxuanwazuanjidezuanweiqiliweijitiaochui,jishouxianjiangxuanwazuanjiyidaozuankongzuoyesuozaiweizhi,xuanwazuanjidexianshiqixianshiweigangongzuohuamian。
在zai調tiao垂chui過guo程cheng中zhong,操cao作zuo人ren員yuan可ke通tong過guo顯xian示shi器qi的de桅wei杆gan工gong作zuo界jie麵mian實shi時shi監jian測ce桅wei杆gan的de位wei置zhi狀zhuang態tai,使shi桅wei杆gan最zui終zhong達da到dao作zuo業ye成cheng孔kong的de設she定ding位wei置zhi。在zai施shi工gong過guo程cheng中zhong,有you時shi也ye需xu要yao斜xie孔kong作zuo業ye。操cao作zuo人ren員yuan需xu要yao通tong過guo顯xian示shi器qi上shang的de自zi動dong定ding位wei按an鈕niu進jin行xing自zi設she定ding零ling位wei,然ran後hou再zai進jin行xing相xiang同tong的de調tiao垂chui操cao作zuo。
清qing水shui施shi工gong鑽zuan孔kong時shi通tong過guo顯xian示shi器qi按an鈕niu直zhi接jie進jin入ru主zhu工gong作zuo界jie麵mian,然ran後hou進jin行xing鑽zuan孔kong作zuo業ye。鑽zuan孔kong時shi先xian將jiang鑽zuan鬥dou著zhe地di,通tong過guo顯xian示shi器qi上shang的de清qing零ling按an鈕niu進jin行xing清qing零ling操cao作zuo,記ji錄lu鑽zuan機ji鑽zuan頭tou的de原yuan始shi位wei置zhi,此ci時shi,顯xian示shi器qi顯xian示shi鑽zuan孔kong的de當dang前qian位wei置zhi的de條tiao形xing柱zhu和he數shu字zi,操cao作zuo人ren員yuan可ke通tong過guo顯xian示shi器qi監jian測ce鑽zuan孔kong的de實shi際ji工gong作zuo位wei置zhi、每(mei)次(ci)進(jin)尺(chi)位(wei)置(zhi)及(ji)孔(kong)深(shen)位(wei)置(zhi),從(cong)而(er)操(cao)作(zuo)鑽(zuan)孔(kong)作(zuo)業(ye)。在(zai)作(zuo)業(ye)過(guo)程(cheng)中(zhong),操(cao)作(zuo)人(ren)員(yuan)可(ke)通(tong)過(guo)主(zhu)界(jie)麵(mian)的(de)三(san)個(ge)虛(xu)擬(ni)儀(yi)表(biao)的(de)顯(xian)示(shi)一(yi)一(yi)動(dong)力(li)頭(tou)壓(ya)力(li),加(jia)壓(ya)壓(ya)力(li)、主卷壓力,實時監測液壓係統的工作狀態
旋xuan轉zhuan開kai孔kong,以yi鑽zuan頭tou自zi重zhong並bing加jia壓ya作zuo為wei鑽zuan進jin動dong力li,一yi次ci進jin尺chi短duan條tiao形xing柱zhu顯xian示shi當dang前qian鑽zuan頭tou的de鑽zuan孔kong深shen度du,長chang條tiao形xing柱zhu動dong態tai顯xian示shi鑽zuan頭tou的de運yun動dong位wei置zhi,孔kong深shen的de數shu字zi顯xian示shi此ci孔kong的de總zong深shen度du。當dang鑽zuan鬥dou被bei旋xuan轉zhuan擠ji壓ya充chong滿man鑽zuan渣zha後hou,將jiang其qi提ti出chu地di表biao,操cao作zuo回hui轉zhuan操cao作zuo手shou柄bing使shi機ji器qi轉zhuan到dao棄qi渣zha車che的de位wei置zhi,將jiang旋(xuan)挖(wa)鑽(zuan)機(ji)鑽(zuan)渣(zha)裝(zhuang)入(ru)棄(qi)渣(zha)車(che),完(wan)畢(bi)後(hou),通(tong)過(guo)操(cao)作(zuo)顯(xian)示(shi)器(qi)上(shang)的(de)自(zi)動(dong)回(hui)位(wei)對(dui)正(zheng)按(an)鈕(niu)機(ji)器(qi)自(zi)動(dong)回(hui)到(dao)鑽(zuan)孔(kong)作(zuo)業(ye)位(wei)置(zhi),或(huo)通(tong)過(guo)手(shou)動(dong)操(cao)作(zuo)回(hui)轉(zhuan)操(cao)作(zuo)手(shou)柄(bing)使(shi)機(ji)器(qi)手(shou)動(dong)回(hui)到(dao)鑽(zuan)孔(kong)作(zuo)業(ye)位(wei)置(zhi)。

