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1、外文文献Multi-ropefrictionhoistropefornewtechnologyMulti-ropefrictionhoistwireropereplacement,itisusuallytheuseoffourfixedsteadystringofnewcarsofoldrope,processcomplexity,constructionpersonnelandVIinthewellshaftoperations,theriskoflargerandlongermineproduction,Sohow
2、toreplacethemainwireropehoistsuchmoresecurity,time-saving,hasbeenthegoalofresearch1、Constructionofpreparation(1)inadvanceofthewedge-shapedhangingbackupdetectiondeviceonthenewwireropetesting,inlinewiththe"CoalMineSafetyRegulations"sectionoftherelevantprovisionsof
3、402,themeasurementofsize,werecutintofourentangledinroperoller4on,accordingtotherequirementsoftwistputonthenorthsideofthederrick,andfixed.(2)Northderrickhookintheappropriatelocationofthefixedbeam-orientedroundoffourinordertosmoothmovementofwirerope.(3)Automaticad
4、justmentoflevelingoutthevolumeofthefueltankofalever,thefirstself-balancingsothatthefueltankoftheSouthHookextendedtheamountofleverageinlinewiththeclosureoftheSouthHookBalancingtanksattheirrespectivecut-offvalve,run1day,thenthevolumeofcheckthefueltankbetweenthetwo
5、hookleveroutofthevolume,andrecord,andasthebasisforcut-offrope.(4)readytouselongandshortboard,longboardneedsthree,theneedforashorteightboards.(5)readytoadequateandreliablelightingfacilities,aswellasthesignal,wire,wood,andcommonlyusedtoolssuchasI-steel,andcheckthe
6、ireligibility.2、Constructionofsteps(1)top-downclean-upplatforms,derrickandtheshaft,removalofrollershield.VIwellabovetheoldstringwithnewstring,specificmethodsareasfollows:①CanswillbeparkedinthesouthtanktoplevelVIandthelocationofwells;②VIinwellsadjacenttothenorthc
7、antaketheworkplatform,thenewropethroughthewindowwellwallTabeiVIandfourdrivenwheels,andfourcansoftheoldNorthropeslong,respectively,3m,slightlysmallbundled,tiedforthenewDepartment3(newropeintheoldside).Specificbindingisasfollows:firstone3mlonghempropearound1minten
8、sivenewrope,hempropeandthentheremainingentangledintheoriginallocationofthenewjusticewillbethenewandoldropestiedtogether,thehempropetiedafterwaterimmersion(tiedupalitt
