2023學年完整公開課版挖掘機類型

Englishfor

ConstructionMachinery工程機械運用技術專業(yè)國家級教學資源庫Types02Components03Function01Unit12Excavators挖掘機Part1NewWordsNewWords&Expressions1）beclassifiedby按…分類2）bucket['b?k?t]n.

鏟斗3）powerplant動力裝置4）crawler-mounted履帶式5）hydraulic[ha?'dr??l?k]adj.

液壓的6）buildingshovel建筑挖掘機NewWords&Expressions7）quarryshovel采石挖掘機8）strippingshovel剝離式挖掘機9）walkingdragline['dr?gla?n]n.拉鏟挖土機10）clamshell['kl?m?el]

n.抓鏟挖掘機11）forwardexcavator正鏟挖掘機12）backhoeexcavator反鏟挖掘機Part2TextTextTypesExcavatorscanbeclassifiedbytheirpurpose,bucketcapacity,degreeofuniversality（universal,semi-universal,specialtypes）,typeofpowerplant（dieselengine,electricdrive,diesel-electricdrive）,runninggear（crawler-mounted,wheel-mounted，automobile-mounted）,andcontrolsystem（mechanical,semi-hydraulic,hydraulic）.Therearebuildingshovels,quarryshovels,strippingshovels,walkingdragline,clamshell,dieselenginehydrauliccrawler-mountedforwardexcavator

(seeFig.12-2),dieselenginehydrauliccrawler-mountedbackhoeexcavator

(Fig.12-3),electricdrivehydrauliccrawler-mountedforwardexcavator(Fig.12-4),electricdrivemechanicalcrawler-mountedforwardexcavator(Fig.12-5),dieselenginehydraulicwheel-mountedbackhoeexcavator(Fig.12-6).

TextText

Fig.12-2Forwardexcavator

Fig.12-3Backhoeexcavator

TextFig.12-4Hydraulicexcavator

Fig.12-5MechanicalexcavatorFig.12-6Wheel-mountedexcavatorPart4ReferenceTranslation參考譯文類型挖掘機可以按其用途、鏟斗容量、通用度（通用型、半通用型、專用型）、動力裝置類型(柴油機驅動、電驅動、復合驅動)、行走裝置(履帶式、輪胎式、汽車式)和控制系統(tǒng)(機械式、半液壓式、液壓式)來分類。有建筑型挖掘機、采礦型挖掘機、剝離式挖掘機、移動式拉鏟挖掘機、抓鏟挖掘機、柴油液壓履帶式正鏟挖掘機(如圖12-2)、柴油液壓履帶式反鏟挖掘機(圖12-3)、電動液壓履帶式正鏟挖掘機(圖12-4)、電動機械式履帶正鏟挖掘機(圖12-5)、柴油液壓輪胎反鏟挖掘機(圖12-6)。參考譯文

圖12-2