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福建各種流動式起重機的簡介

作(zuo)者: 發布(bu)時間:2022-09-27 16:30:50點擊:1697

各(ge)種流動(dong)式(shi)起重機的(de)簡介(jie):

1.汽車(che)起重機

汽(qi)車(che)(che)起(qi)重(zhong)(zhong)機(ji):汽(qi)車(che)(che)起(qi)重(zhong)(zhong)機(ji)英文名Truck Crane,國(guo)內用QY表示,如(ru)QY20/20t汽(qi)車(che)(che)起(qi)重(zhong)(zhong)機(ji)(汽(qi)車(che)(che)吊)。將起(qi)重(zhong)(zhong)機(ji)安裝在(zai)(zai)通(tong)用或專(zhuan)用汽(qi)車(che)(che)底(di)盤(pan)(pan)上底(di)盤(pan)(pan)性(xing)能(neng)等同于同樣整車(che)(che)總(zong)重(zhong)(zhong)的(de)(de)載重(zhong)(zhong)汽(qi)車(che)(che),符合公路(lu)車(che)(che)輛的(de)(de)技術要求,因而可(ke)在(zai)(zai)各類公路(lu)上通(tong)行(xing)無阻。此種起(qi)重(zhong)(zhong)機(ji)一般備有上、下車(che)(che)兩個操縱室,作業時(shi)必需伸出支(zhi)腿保持穩(wen)定。起(qi)重(zhong)(zhong)量的(de)(de)范圍很大,可(ke)從8噸~1000噸,底(di)盤(pan)(pan)的(de)(de)車(che)(che)軸數,可(ke)從2~10根。是產(chan)量最(zui)大,使用最(zui)廣泛的(de)(de)起(qi)重(zhong)(zhong)機(ji)類型(xing)。

2.輪(lun)胎起(qi)重機

輪胎起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(輪胎吊)Rough Terrain Crane,國內沒有(you)(you)輪胎起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(輪胎吊)。起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)部分安(an)裝在(zai)特制的(de)(de)(de)充氣輪胎底(di)盤(pan)上(shang)的(de)(de)(de)起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)。上(shang)下車(che)合用(yong)一(yi)(yi)臺發動(dong)(dong)機(ji),行(xing)(xing)(xing)駛(shi)(shi)(shi)速度(du)一(yi)(yi)般(ban)不超過30KM/H,車(che)輛寬度(du)也較(jiao)寬,因(yin)此不宜在(zai)公路上(shang)長(chang)(chang)距(ju)離行(xing)(xing)(xing)駛(shi)(shi)(shi)。具有(you)(you)不用(yong)支(zhi)腿吊重(zhong)(zhong)(zhong)(zhong)及(ji)吊重(zhong)(zhong)(zhong)(zhong)行(xing)(xing)(xing)駛(shi)(shi)(shi)的(de)(de)(de)功能(neng),適用(yong)于(yu)貨(huo)場、碼(ma)頭、工地等移動(dong)(dong)距(ju)離有(you)(you)限的(de)(de)(de)場所的(de)(de)(de)吊重(zhong)(zhong)(zhong)(zhong)作(zuo)業(ye)。由于(yu)不用(yong)支(zhi)腿吊重(zhong)(zhong)(zhong)(zhong)及(ji)吊重(zhong)(zhong)(zhong)(zhong)行(xing)(xing)(xing)駛(shi)(shi)(shi)經常出現一(yi)(yi)些事故(gu),目(mu)(mu)前(qian)(qian)國內各大吊裝廣東順發起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)設(she)備有(you)(you)限公司已經逐(zhu)漸的(de)(de)(de)取消(xiao)吊重(zhong)(zhong)(zhong)(zhong)行(xing)(xing)(xing)駛(shi)(shi)(shi)功能(neng)。輪胎起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)的(de)(de)(de)主要特點(dian)(dian)是:其行(xing)(xing)(xing)駛(shi)(shi)(shi)駕(jia)駛(shi)(shi)(shi)室與起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)操縱室合二為(wei)一(yi)(yi)、是由履(lv)(lv)帶(dai)起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(履(lv)(lv)帶(dai)吊)演變而成(cheng),將(jiang)行(xing)(xing)(xing)走機(ji)構的(de)(de)(de)履(lv)(lv)帶(dai)和行(xing)(xing)(xing)走支(zhi)架部分變成(cheng)有(you)(you)輪胎的(de)(de)(de)底(di)盤(pan),克服了履(lv)(lv)帶(dai)起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(履(lv)(lv)帶(dai)吊)履(lv)(lv)帶(dai)板對路面造成(cheng)破壞的(de)(de)(de)缺(que)點(dian)(dian),行(xing)(xing)(xing)駛(shi)(shi)(shi)的(de)(de)(de)速度(du)也較(jiao)履(lv)(lv)帶(dai)起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(履(lv)(lv)帶(dai)吊)快;作(zuo)業(ye)穩定、起(qi)(qi)重(zhong)(zhong)(zhong)(zhong)量(liang)大、可在(zai)特定范(fan)圍(wei)內吊重(zhong)(zhong)(zhong)(zhong)行(xing)(xing)(xing)走、但必須保(bao)證道(dao)路平整堅實、輪胎氣壓符合要求、吊離地面不得(de)超過50CM;禁止(zhi)帶(dai)負荷長(chang)(chang)距(ju)離行(xing)(xing)(xing)走。為(wei)保(bao)證作(zuo)業(ye)安(an)全(quan),目(mu)(mu)前(qian)(qian)國內基本上(shang)禁止(zhi)不打支(zhi)腿進行(xing)(xing)(xing)吊裝作(zuo)業(ye)。

3.越(yue)野輪(lun)胎起重機

是70年代(dai)發展(zhan)(zhan)起(qi)來的(de)(de)(de)一種(zhong)起(qi)重(zhong)(zhong)機(ji),其(qi)吊重(zhong)(zhong)功(gong)能(neng)與輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)胎(tai)起(qi)重(zhong)(zhong)機(ji)相似,也可進(jin)行(xing)不用支腿吊重(zhong)(zhong)及吊重(zhong)(zhong)行(xing)駛(shi)。所不同的(de)(de)(de)是底(di)盤的(de)(de)(de)結構形(xing)式及由獨特(te)的(de)(de)(de)底(di)盤結構所帶來的(de)(de)(de)行(xing)駛(shi)性能(neng)的(de)(de)(de)提高(gao)。這種(zhong)起(qi)重(zhong)(zhong)機(ji)的(de)(de)(de)發動(dong)(dong)(dong)機(ji)均(jun)裝(zhuang)在底(di)盤上,底(di)盤有(you)兩(liang)(liang)根(gen)車軸及四(si)個(ge)(ge)大直徑的(de)(de)(de)越(yue)野花紋輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)胎(tai)。四(si)個(ge)(ge)車輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)均(jun)為驅動(dong)(dong)(dong)輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)及轉向輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun),當(dang)在泥(ni)濘不平的(de)(de)(de)工地(di)(di)上轉移工位(wei)時(shi),四(si)個(ge)(ge)車輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)都(dou)傳遞動(dong)(dong)(dong)力(li)(li),即四(si)輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)驅動(dong)(dong)(dong),以(yi)(yi)提高(gao)通過泥(ni)濘地(di)(di)面及不平路(lu)面的(de)(de)(de)能(neng)力(li)(li)。當(dang)在平坦路(lu)面以(yi)(yi)較快速度(du)行(xing)駛(shi)時(shi),只用前軸或后軸的(de)(de)(de)兩(liang)(liang)個(ge)(ge)車輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)驅動(dong)(dong)(dong),以(yi)(yi)減少能(neng)耗。在起(qi)重(zhong)(zhong)機(ji)的(de)(de)(de)隨機(ji)文件中,用4×4表示(shi)(shi)四(si)輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)驅動(dong)(dong)(dong),4×2表示(shi)(shi)4個(ge)(ge)車軸中有(you)兩(liang)(liang)個(ge)(ge)車輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)是驅動(dong)(dong)(dong)輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)。該車型適合(he)狹小的(de)(de)(de)場地(di)(di)作業。可實現連(lian)續無級變速,在路(lu)面阻力(li)(li)突變的(de)(de)(de)情(qing)況下發動(dong)(dong)(dong)機(ji)也不會熄火,因而極大的(de)(de)(de)方便了司機(ji)的(de)(de)(de)操(cao)作。可以(yi)(yi)所越(yue)野輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)胎(tai)起(qi)重(zhong)(zhong)機(ji)是一種(zhong)性能(neng)擴(kuo)展(zhan)(zhan)了的(de)(de)(de)、強力(li)(li)而靈活的(de)(de)(de)輪(lun)(lun)(lun)(lun)(lun)(lun)(lun)(lun)胎(tai)起(qi)重(zhong)(zhong)機(ji)。

4.全(quan)地面式

也(ye)叫全路面起重(zhong)機,是一種兼有(you)汽車起重(zhong)機和(he)越野起重(zhong)機特點的高性能(neng)產(chan)品。它(ta)既(ji)能(neng)像汽車起重(zhong)機一樣快速轉(zhuan)(zhuan)移、長距離行駛,又可滿足在狹小和(he)崎嶇不平或泥濘場地(di)上作業的要(yao)求,即行駛速度快,多橋驅(qu)動,全輪轉(zhuan)(zhuan)向(xiang),三種轉(zhuan)(zhuan)向(xiang)方式,離地(di)間隙(xi)大,爬坡能(neng)力高,可蟹形行走(zou),是一種極(ji)有(you)發展前途的產(chan)品。但價格較(jiao)(jiao)高,對使用和(he)維(wei)護水平要(yao)求較(jiao)(jiao)高。

5.履帶起重機

履(lv)帶(dai)起重機(ji)(履(lv)帶(dai)吊)Crawler Crane,國(guo)(guo)內一(yi)(yi)般用QUY表示。但是三一(yi)(yi)的吊車(che)為跟國(guo)(guo)際(ji)接(jie)(jie)軌,使(shi)用英文命名(ming)規則,其履(lv)帶(dai)吊代號為SCC(SANY Crawler Crane的英文頭字母)。履(lv)帶(dai)吊的主要特(te)點是:其行駛(shi)(shi)駕駛(shi)(shi)室與(yu)起重操縱(zong)室合二為一(yi)(yi)、接(jie)(jie)地(di)(di)面積大(da)、對地(di)(di)面的平均壓力(li)較(jiao)小、穩定性好、可(ke)(ke)在松軟、泥濘地(di)(di)面作(zuo)(zuo)業(ye);牽引系(xi)數高、爬坡度大(da)、可(ke)(ke)在崎嶇不(bu)平的場(chang)地(di)(di)上(shang)行駛(shi)(shi);但履(lv)帶(dai)吊行駛(shi)(shi)速(su)度慢、而且行駛(shi)(shi)過程要損(sun)壞路面、因(yin)此轉場(chang)作(zuo)(zuo)業(ye)時(shi)需要通過平板(ban)拖(tuo)車(che)裝(zhuang)運、機(ji)動性差。

6.特種起重機

為完成(cheng)某種(zhong)特定(ding)任務而研制的(de)(de)專用(yong)(yong)起(qi)重機(ji)。例如(ru):為機(ji)械化部隊實施戰術技(ji)術保障(zhang)用(yong)(yong)的(de)(de)、裝在越野汽車或裝甲車上(shang)的(de)(de)起(qi)重輪救車;為處理(li)交通事故(gu)用(yong)(yong)的(de)(de)公路清障(zhang)車等,均屬(shu)此類(lei)。

起重機(ji)的(de)工(gong)作類型:指起重機(ji)工(gong)作忙(mang)閑程度和載荷變(bian)化程度的(de)參數(shu)。

工作忙閑程度,對起重(zhong)機(ji)(ji)來說,就是(shi)指在(zai)一年總時間內,起重(zhong)機(ji)(ji)的實際運轉時數(shu)與總時數(shu)之(zhi)比(bi)(bi);對機(ji)(ji)構來說,則是(shi)指一個機(ji)(ji)構在(zai)一年時間內運轉時數(shu)與總時數(shu)之(zhi)比(bi)(bi)。在(zai)起重(zhong)機(ji)(ji)的一個工作循(xun)環中,機(ji)(ji)構運轉時間所占(zhan)的百分(fen)比(bi)(bi),稱為該機(ji)(ji)構的負(fu)載持續(xu)率,用(yong)JC表示。

載荷(he)變化程度(du),按額定起(qi)(qi)重量設計的(de)起(qi)(qi)重機(ji)(ji)在(zai)實(shi)際作業中,起(qi)(qi)重機(ji)(ji)所起(qi)(qi)吊的(de)載荷(he)往往小于額定起(qi)(qi)重量。這種載荷(he)的(de)變化程度(du)用起(qi)(qi)重量利用系數k表(biao)示。k=起(qi)(qi)重機(ji)(ji)在(zai)全年實(shi)際起(qi)(qi)重量的(de)平均值/起(qi)(qi)重機(ji)(ji)的(de)額定起(qi)(qi)重量。

根據起(qi)重(zhong)機(ji)(ji)的工作(zuo)忙閑(xian)程度(du)和(he)載(zai)荷變化程度(du),通常把起(qi)重(zhong)機(ji)(ji)的工作(zuo)類型劃分為:輕級、中級、重(zhong)級和(he)特重(zhong)級4種級別(bie)。

起(qi)(qi)(qi)重(zhong)機(ji)(ji)的(de)工(gong)(gong)作(zuo)類型(xing)(xing)和起(qi)(qi)(qi)重(zhong)量是(shi)(shi)兩個不同的(de)概念(nian),起(qi)(qi)(qi)重(zhong)量大,不一定是(shi)(shi)重(zhong)級,起(qi)(qi)(qi)重(zhong)量小,也不一定是(shi)(shi)輕級。如水電站(zhan)用(yong)的(de)起(qi)(qi)(qi)重(zhong)機(ji)(ji)的(de)起(qi)(qi)(qi)重(zhong)量達數(shu)百噸,但使用(yong)機(ji)(ji)會卻很少(shao),只(zhi)有在安(an)裝機(ji)(ji)組、修理機(ji)(ji)組時才(cai)使用(yong),其余時間(jian)都停歇在那里,所以(yi)盡(jin)管(guan)起(qi)(qi)(qi)重(zhong)量很大,但還是(shi)(shi)屬于(yu)輕級。又如車站(zhan)貨場(chang)用(yong)的(de)起(qi)(qi)(qi)重(zhong)機(ji)(ji),雖然(ran)起(qi)(qi)(qi)重(zhong)量不大,但工(gong)(gong)作(zuo)非常繁忙(mang),屬于(yu)重(zhong)級工(gong)(gong)作(zuo)類型(xing)(xing)。

起(qi)(qi)重(zhong)機(ji)的(de)(de)工作(zuo)(zuo)類(lei)型(xing)(xing)與(yu)安全(quan)性能有著十分密(mi)切的(de)(de)關(guan)系(xi)。起(qi)(qi)重(zhong)量、跨度、起(qi)(qi)升高度相(xiang)(xiang)(xiang)同(tong)(tong)的(de)(de)起(qi)(qi)重(zhong)機(ji),如果工作(zuo)(zuo)類(lei)型(xing)(xing)不(bu)(bu)同(tong)(tong),在(zai)設計制造時(shi),所采取的(de)(de)安全(quan)系(xi)數(shu)就(jiu)不(bu)(bu)相(xiang)(xiang)(xiang)同(tong)(tong),也就(jiu)是零部件型(xing)(xing)號、尺(chi)寸、規(gui)格(ge)各(ge)不(bu)(bu)相(xiang)(xiang)(xiang)同(tong)(tong)。如鋼絲繩、制動器由(you)于(yu)工作(zuo)(zuo)類(lei)型(xing)(xing)不(bu)(bu)同(tong)(tong),安全(quan)系(xi)數(shu)不(bu)(bu)同(tong)(tong)(輕(qing)級(ji)安全(quan)系(xi)數(shu)小(xiao)、重(zhong)級(ji)安全(quan)系(xi)數(shu)大),所選出的(de)(de)型(xing)(xing)號就(jiu)不(bu)(bu)相(xiang)(xiang)(xiang)同(tong)(tong)。再如同(tong)(tong)是10t的(de)(de)橋式起(qi)(qi)重(zhong)機(ji),對(dui)于(yu)中級(ji)工作(zuo)(zuo)類(lei)型(xing)(xing)(JC=25%)的(de)(de)起(qi)(qi)升電(dian)動機(ji)功(gong)率為(wei)N=16KW,而對(dui)于(yu)重(zhong)級(ji)工作(zuo)(zuo)類(lei)型(xing)(xing)(JC=40%)起(qi)(qi)升電(dian)動機(ji)功(gong)率則為(wei)N=23.5KW。

從以上情(qing)況可(ke)知,如果把輕級工(gong)作類型(xing)(xing)的(de)起(qi)(qi)重(zhong)機(ji)(ji)(ji)用在重(zhong)級工(gong)作類型(xing)(xing)的(de)場所,起(qi)(qi)重(zhong)機(ji)(ji)(ji)就會經常出故障,影響(xiang)安全(quan)(quan)生產。所以在安全(quan)(quan)檢查時,要注意起(qi)(qi)重(zhong)機(ji)(ji)(ji)的(de)工(gong)作類型(xing)(xing)必須與工(gong)作條件相符合。

起重(zhong)機特性(xing)曲線:由起重(zhong)機結(jie)構的承載能力、臂架的起重(zhong)能力和(he)整機抗(kang)傾覆穩定性(xing)三條(tiao)曲線的包絡線。

7.纜索式

纜索(suo)式(shi)主要指升(sheng)(sheng)降(jiang)式(shi)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)俗(su)稱升(sheng)(sheng)降(jiang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),特點是重(zhong)(zhong)(zhong)(zhong)物(wu)或取物(wu)裝(zhuang)置只能沿導軌升(sheng)(sheng)降(jiang)。升(sheng)(sheng)降(jiang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)雖只有(you)一(yi)個升(sheng)(sheng)降(jiang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構(gou),但在(zai)升(sheng)(sheng)降(jiang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)中(zhong),還有(you)許多其他(ta)附(fu)屬裝(zhuang)置,所以單獨構(gou)成一(yi)類(lei)(lei),它包括:電梯(ti)、貨梯(ti)、升(sheng)(sheng)船機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)等(deng)。除(chu)此以外,起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)還有(you)多種分(fen)(fen)類(lei)(lei)方(fang)法。例如(ru),按取物(wu)裝(zhuang)置和用途分(fen)(fen)類(lei)(lei),有(you)吊鉤起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、抓斗起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、電磁(ci)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、冶金起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、堆垛起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、集裝(zhuang)箱(xiang)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和援救(jiu)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)等(deng);按運移方(fang)式(shi)分(fen)(fen)類(lei)(lei),有(you)固定式(shi)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、運行式(shi)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、自行式(shi)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、拖引式(shi)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、爬升(sheng)(sheng)式(shi)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、便攜式(shi)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、隨車起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)等(deng);按驅動方(fang)式(shi)分(fen)(fen)類(lei)(lei),有(you)支承起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、懸掛起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)等(deng);按使(shi)用場合(he)分(fen)(fen)類(lei)(lei),有(you)車間起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)器房起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、倉庫起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、貯料場起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、建筑起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、工程起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、港口起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、船廠起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、壩(ba)頂(ding)起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、船上起(qi)(qi)(qi)重(zhong)(zhong)(zhong)(zhong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)等(deng)。



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