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1、OnthehistoryofthedevelopmentofchinaconstructionmachineryChinaistheworldsfirstnationalmachinerydevelopment.ChinesemechanicalengineeringtechnologynotonlyhasalonghistoryandsplendidachievementsinChineseisnotonlythematerialcultureandsocialeconomicdevelopmen
2、tplaysanimportantroleintheworld,andtopromotetheprogressofcivilization,technologyhasmadegreatcontributiontoChinesetraditionalmachine.Andinalongperiodaheadintheworld.Inmoderntimes,especiallyfromtheearly18thcentury,duetothenineteenforties,duetotheeconomic
3、andsocialreasons,suchastheChinamachineryindustry,stagnation,inthe100yearsiswesternbourgeoispoliticalrevolutionandindustrialrevolution,mechanicalscienceandtechnologyisdevelopingrapidly,andfarmorethanthelevelofChina.So,Chinamechanicaldevelopmentlevelandt
4、hewesterngapwidens,sharplytothe19thcenturymiddlebehindwesternonehundredyears.AfterthefoundingofnewChina,especiallyinthepast30years,ourcountryfsmechanicalscienceandtechnologydevelopmentspeed.Tothemechanicalproductlarge-scale,precision,automationanddiscu
5、ssesthetrendofdevelopment.Insomeaspectshasreachedorexceededtheworldadvancedlevel.Generallyspeaking,currentlyChinamechanicalscienceandtechnologyachievementishuge,developingfast,highlevelofunprecedented・Inthisperiod,Chinahasnoendofmechanicalscienceandtec
6、hnologywilldeveloptoahigherlevel.Aslongaswecanadoptthecorrectpolicy,withgoodtechnologydevelopmentandinnovation,ourmachineryindustryandmechanicaltechnologycanrevitalize,leadingtothedevelopmenttrendofmechanicalindustry.(1)Justsmallrammingmachinery:Inthe1
7、960s,Chinamechanicalverysmalltamplack,manysmallvenuesrammingbasicallyUSESartificialramming.Early1960s,changshaconstructionmachineryinstituteandBeijingarchitecturalengineeringinstitute,etc.,thetechnicalinnovationachievementsinmassonthebasisofsummingupCh
8、inesecharacteristicinventedthebreaststrokerammingmachine,1962exceedednationalscienceandtechnology.Thebreaststrokerammingmachinestructureissimple,easytouseandmaintenancein1960s,soonbecamethedominantproductstoconsolidatemachinery.Accordin
