资源描述:
《外文翻译=液压支架的发展与前瞻=3000字符》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、Thehydraulicpressuresupportdevelopmentwithfirstgazes[Keyword]hydraulicpressuresupport;Control;Intellectualization1hydraulicpressuresupportsdevelopmentThehydraulicpressuresupportistakethehigh-pressuredliquidasapower,bycertainhydraulicpressurepart(cylind
2、er,pipeaccessory)onekindofstrutandthecontrolroofminingcoalworkingsurfaceequipmentwhichbecomeswithsomesteelworkcombinations.Hastheintensityhigh,thetravellingspeedquick,supporttheperformancegood,safeisreliableandsoonthecharacteristic.Sincethe20thcentury5
3、0's,thehydraulicpressuresupporthasgraduallybecometheminingcoalworkingsurfacecoreequipment,intheworldmainlyproducedthecoalcountrytoinvestthemassivemanpowerphysicalresourceandthefinancialresourcecarriesontheresearchdevelopmenttoit.Atpresent,supporttendst
4、otakethehydraulicpressuresupportasthemainbodymaturely,intheworldhasproducedmakesseveralhundredkindofframesandtheuptotenthousandkindofmodelshydraulicpressuresupport,meetseachkindofcoalbedminingsupportneed.Onthecentury60's,ourcountryoncehasalsodeveloped1
5、0kindofhydraulicpressuresupports,becauseallsortsofreasonshavenotobtainedthepromotedapplication,thehydraulicpressuresupportisinthedevelopment,theexperimentalstage;The70'ssuccessivelyfromEngland,Germany,Poland,formerSovietUnionandsoonmainlyproducethecoal
6、countrytointroduceseveral10setsofhydraulicpressuresupports.Aftertheunceasingexploration,theuse,thedigestionandthesummary,makeeachkindoftypethesupport,itisthebeginningwhichthedomesticallyproducedhydraulicpressuresupportdevelops;The80'shydraulicpressures
7、upportresearchanddevelopmentisintheinnovationtoenhancethestage,develops30kindofnewframesoneafteranother,makestheZZseries,theXYseries,theZDseriesandsoonthedifferentspecification,andwidelyusesinthestate-ownedlargeandmiddlescalecoalmines,obtainsthegoodeco
8、nomicefficiency;90'sspecialhydraulicpressuresupportdevelopmentobtainstherapiddevelopment,themechanizedshopnetsupport,thewatergranulatedsubstancefillsthesupport,thereasonsupport,theforcesupport,putsgoesagainstthecoalsupportandsoontobepub