资源描述：
《液压支架的发展与前瞻毕业课程设计外文文献翻译、中英文翻译、外文翻译》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、Thehydraulicpressuresupportdevelopmentwithfirstgazes[Keyword]hydraulicpressuresupport;Control;Intellectualization1hydraulicpressuresupportsdevelopmentThehydraulicpressuresupportistakethehigh-pressuredliquidasapower,bycertainhydraulicpressurepart(cylinder,pipeaccessor
2、y)onekindofstrutandthecontrolroofminingcoalworkingsurfaceequipmentwhichbecomeswithsomesteelworkcombinations.Hastheintensityhigh,thetravellingspeedquick,supporttheperformancegood,safeisreliableandsoonthecharacteristic.Sincethe20thcentury50's,thehydraulicpressuresuppor
3、thasgraduallybecometheminingcoalworkingsurfacecoreequipment,intheworldmainlyproducedthecoalcountrytoinvestthemassivemanpowerphysicalresourceandthefinancialresourcecarriesontheresearchdevelopmenttoit.Atpresent,supporttendstotakethehydraulicpressuresupportasthemainbody
4、maturely,intheworldhasproducedmakesseveralhundredkindofframesandtheuptotenthousandkindofmodelshydraulicpressuresupport,meetseachkindofcoalbedminingsupportneed.Onthecentury60's,ourcountryoncehasalsodeveloped10kindofhydraulicpressuresupports,becauseallsortsofreasonshav
5、enotobtainedthepromotedapplication,thehydraulicpressuresupportisinthedevelopment,theexperimentalstage;The70'ssuccessivelyfromEngland,Germany,Poland,formerSovietUnionandsoonmainlyproducethecoalcountrytointroduceseveral10setsofhydraulicpressuresupports.Aftertheunceasin
6、gexploration,theuse,thedigestionandthesummary,makeeachkindoftypethesupport,itisthebeginningwhichthedomesticallyproducedhydraulicpressuresupportdevelops;The80'shydraulicpressuresupportresearchanddevelopmentisintheinnovationtoenhancethestage,develops30kindofnewframeson
7、eafteranother,makestheZZseries,theXYseries,theZDseriesandsoonthedifferentspecification,andwidelyusesinthestate-ownedlargeandmiddlescalecoalmines,obtainsthegoodeconomicefficiency;90'sspecialhydraulicpressuresupportdevelopmentobtainstherapiddevelopment,themechanizedsho
8、pnetsupport,thewatergranulatedsubstancefillsthesupport,thereasonsupport,theforcesupport,putsgoesagainstthe19coalsupportandsoontobep
