混凝土攪拌車運輸車的工作原理
隨著混凝土生產和施工技術的迅速發展,一些國家逐漸采用了混凝土集中攪拌、商(shang)品(pin)化(hua)供(gong)應(ying)的(de)方(fang)式(shi),混(hun)凝(ning)土(tu)由(you)專(zhuan)門(men)的(de)混(hun)凝(ning)土(tu)攪(jiao)拌(ban)站(zhan)提(ti)供(gong),再(zai)由(you)混(hun)凝(ning)土(tu)攪(jiao)拌(ban)運(yun)輸(shu)車(che)運(yun)送(song)到(dao)各(ge)施(shi)工(gong)場(chang)所(suo)。現(xian)簡(jian)要(yao)介(jie)紹(shao)混(hun)凝(ning)土(tu)攪(jiao)拌(ban)車(che)的(de)結(jie)構(gou)原(yuan)理(li)及(ji)其(qi)維(wei)修(xiu)。
1 混凝土攪拌運輸車的組成及工作原理
混hun凝ning土tu攪jiao拌ban運yun輸shu車che由you汽qi車che底di盤pan和he混hun凝ning土tu攪jiao拌ban運yun輸shu專zhuan用yong裝zhuang置zhi組zu成cheng。我wo國guo生sheng產chan的de混hun凝ning土tu攪jiao拌ban運yun輸shu車che的de底di盤pan多duo采cai用yong整zheng車che生sheng產chan廠chang家jia提ti供gong的de二er類lei通tong用yong底di盤pan。其qi專zhuan用yong機ji構gou主zhu要yao包bao括kuo取qu力li器qi、攪拌筒前後支架、減速機、液壓係統、攪拌筒、操縱機構、清洗係統等。其工作原理:tongguoqulizhuangzhijiangqichedipandedongliquchu,bingqudongyeyaxitongdebianliangbeng,bajixienengzhuanhuaweiyeyanengchuangeidingliangmada,madazaiqudongjiansuji,youjiansujiqudongjiaobanzhuangzhi,duihunningtujinxingjiaoban。
1.1取力裝置
guochanhunningtujiaobanyunshuchecaiyongzhuchefadongjiqulifangshi。qulizhuangzhidezuoyongshitongguocaozongqulikaiguanjiangfadongjidongliquchu,jingyeyaxitongqudongjiaobantong,jiaodoutongzaijinliaoheyunshuguochengzhongzhengxiangxuanzhuan,yiliyujinliaoheduihunningtujinxingjiaoban,zaichuliaoshifanxiangxuanzhuan,zaigongzuozhongjiehouqieduanyufadongjidedonglilianjie。
1.2液壓係統
將經取力器取出的發動機動力,轉化為液壓能(排量和壓力),再經馬達輸出為機械能(轉速和扭矩),為攪拌筒轉動提供動力。
1.3減速機
將液壓係統中馬達輸出的轉速減速後,傳給攪拌筒。
1.4操縱機構
a.控製攪拌筒旋轉方向,使之在進料和運輸過程中正向旋轉,出料時反向旋轉。
b.控製攪拌筒的轉速
1.5攪拌裝置
它主要由攪拌筒及其輔助支撐部件組成。攪拌筒是混凝土的裝載容器,它是由優質耐磨薄鋼板製成,為了能夠自動裝、卸(xie)混(hun)凝(ning)土(tu),其(qi)內(nei)壁(bi)焊(han)有(you)特(te)殊(shu)形(xing)狀(zhuang)的(de)螺(luo)旋(xuan)葉(ye)片(pian)。轉(zhuan)動(dong)時(shi)混(hun)凝(ning)土(tu)沿(yan)葉(ye)片(pian)的(de)螺(luo)旋(xuan)方(fang)向(xiang)運(yun)動(dong),在(zai)不(bu)斷(duan)的(de)提(ti)升(sheng)和(he)翻(fan)動(dong)過(guo)程(cheng)中(zhong)受(shou)到(dao)混(hun)合(he)和(he)攪(jiao)拌(ban)。在(zai)進(jin)料(liao)及(ji)運(yun)輸(shu)過(guo)程(cheng)中(zhong),攪(jiao)拌(ban)筒(tong)正(zheng)轉(zhuan),混(hun)凝(ning)土(tu)沿(yan)葉(ye)片(pian)向(xiang)裏(li)運(yun)動(dong),出(chu)料(liao)時(shi),攪(jiao)拌(ban)筒(tong)反(fan)轉(zhuan),混(hun)凝(ning)土(tu)沿(yan)著(zhe)葉(ye)片(pian)向(xiang)外(wai)卸(xie)出(chu)。攪(jiao)拌(ban)筒(tong)的(de)轉(zhuan)動(dong)則(ze)是(shi)靠(kao)液(ye)壓(ya)驅(qu)動(dong)裝(zhuang)置(zhi)來(lai)保(bao)證(zheng)。裝(zhuang)載(zai)量(liang)為(wei)3~6立方的混凝土攪拌運輸車一般采用由汽車發動機通過動力輸出軸帶動液壓泵,再由高壓油推動液壓馬達驅動攪拌筒,裝載量為9~12立li方fang的de則ze由you車che載zai輔fu助zhu柴chai油you機ji帶dai動dong液ye壓ya泵beng驅qu動dong液ye壓ya馬ma達da。葉ye片pian是shi攪jiao拌ban裝zhuang置zhi中zhong的de主zhu要yao部bu件jian,損sun壞huai或huo嚴yan重zhong磨mo損sun會hui導dao致zhi混hun凝ning土tu攪jiao拌ban不bu均jun勻yun。另ling外wai,葉ye片pian的de角jiao度du如ru果guo設she計ji不bu合he理li,還hai會hui使shi混hun凝ning土tu出chu現xian離li析xi。
1.6清洗係統
清洗係統的主要作用是清洗攪拌筒,有時也用於運輸途中進行幹料攪拌。清洗係統還對液壓係統起冷卻作用。
2 混凝土攪拌運輸車的維護和修理
混凝土攪拌運輸車作為運輸用汽車,在維護和修理方麵必須遵照交通部1990年13號令的規定,執行“定期檢測、強製維護、視情修理”deweihuhexiulizhidu。zaizhegedaqiantixia,zaijiehehunningtujiaobanyunshuchedeshijiqingkuang,zuohaoweihuhexiuli。zairichangweihufangmian,hunningtujiaobanyunshuchechuyinganchangguiduiqichefadongji、底盤等部位進行維護外,還必須做好以下維護工作。
2.1清洗混凝土貯罐(攪拌筒)及進出料口
youyuhunningtuhuizaiduanshijianneiningguchengyingkuai,qieduigangcaiheyouqiyouyidingdefushixing,suoyimeicishiyonghunningtuzhuguanhou,xijingzhanfuzaihunningtuzhuguanjijinchuliaokoushangdehunningtushimeiriweihubixurenzhenjinxingdegongzuo。qizhongbaokuo:
a.每次裝料前用水衝洗進料口,使進料口在裝料時保持濕潤;
b.在裝料的同時向隨車自帶的清洗用水水箱中注滿水;
c.裝料後衝洗進料口,洗淨進料口附近殘留的混凝土;
d.到工地卸料後,衝洗出料槽,然後向混凝土貯罐內加清洗用水30―40 L;在車輛回程時保持混凝土貯罐正向慢速轉動;
e.下次裝料前切記放掉混凝土貯罐內的汙水;
f.每天收工時徹底清洗混凝土貯罐及進出料口周圍,保證不粘有水泥及混凝土結塊。
以上這些工作隻要一次不認真進行,就會給以後的工作帶來很大的麻煩。
2.2維護驅動裝置
驅動裝置的作用是驅動混凝土貯罐轉動,它由取力器、萬向軸、液壓泵、液壓馬達、操縱閥、yeyayouxiangjilengquezhuangzhizucheng。ruguozhebufenyinguzhangtingzhigongzuo,hunningtuzhuguanjiangbunengzhuandong,zhehuidaozhicheneihunningtubaofei,yanzhongdeshenzhishizhengguanhunningtuningjiezaiguannei,zaochenghunningtujiaobanyunshuchebaofei。yinci,qudongzhuangzhishifoukekaoshishiyongzhongbixugaoduzhongshidewenti。weibaozhengqudongzhuangzhiwanhaokekao,yingzuohaoyixiaweihugongzuo:
a.wanxiangzhuandongbufenshiguzhangduofabuwei,yinganshijiazhurunhuazhi,bingjingchangjianzhamosunqingkuang,jishixiuligenghuan。cheduiyingyoubeiyongdewanxiangzhouzongcheng,yibaozhengyidanfashengguzhangnengzaijishifenzhongneihuifugongzuo。
b.baozhengyeyayouqingjie。hunningtujiaobanyunshuchegongzuohuanjingelie,yidingyaofangzhiwushuinishajinruyeyaxitong。yeyayouyaoanshiyongshouceyaoqiudingqigenghuan。yidanjianzhashifaxianyeyayouzhonghunrushuihuonisha,jiuyaolijitingjiqingxiyeyaxitong、更換液壓油。
c.保bao證zheng液ye壓ya油you冷leng卻que裝zhuang置zhi有you效xiao。要yao定ding時shi清qing理li液ye壓ya油you散san熱re器qi,避bi免mian散san熱re器qi被bei水shui泥ni堵du塞sai,檢jian查zha散san熱re器qi電dian動dong風feng扇shan運yun轉zhuan是shi否fou正zheng常chang,防fang止zhi液ye壓ya油you溫wen度du超chao標biao。液ye壓ya部bu分fen隻zhi要yao保bao證zheng液ye壓ya油you清qing潔jie,一yi般ban故gu障zhang不bu多duo;但生產廠家不同,使用壽命則不一樣。
2.3注意輪胎的維修
此外我單位生產:油罐車、灑水車、吸糞車、吸汙車、自卸車、廂式車、垃圾車、教練車、隨車吊、高空作業車、粉粒物料散裝水泥運輸車、化工液體運輸車、水泥攪拌車等。