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1、DW型礦用外注式單體液壓支柱TheDWouter-injectedindividualhydraulicpropinmining使用說明書Theinstructionbook推行標(biāo)準(zhǔn)：MT112—93Theoperatingstandard:MT112—93徐州礦務(wù)集團(tuán)機(jī)械廠TheMachineMakingFactoryofXuzhouMiningCompanyGroup（徐州華東機(jī)械廠）(XuzhouMachineMakingFactoryinEastChina)前言PrefaceDW型礦用外注式單體液壓支柱，系煤炭工業(yè)部煤炭科學(xué)研究院設(shè)計(jì)，由我廠制造的煤礦支護(hù)產(chǎn)品。Th

2、eDWouter-injectedindividualhydraulicpropinmining,whichisdesignedbyCoalAcademyofSciencesinMinistryofCoalIndustry,isthecoalminesupportproductmanufacturedbyourfactory.我廠生產(chǎn)的DW型支柱系列，現(xiàn)有三種型式16種高度不同的規(guī)格，分別適用于0.55～3.5米的煤層厚度。DWpropseriesproducedbyourfactoryhave3typesand16kindsofdifferentspecification

3、,whichareapplicableto0.55～3.5mthicknessofcoalseam一、用途ApplicationDW型支柱是一種外部供液的恒阻式單體液壓支柱，它可與金屬鉸接頂梁配套使用，也可單獨(dú)作點(diǎn)柱用，供煤礦一般機(jī)械化工作面支護(hù)頂板，或供綜合機(jī)械化采煤工作面作端頭支護(hù)及其它臨時(shí)性支護(hù)。DWpropisaconstantresistanceindividualhydraulicpropofouterfeedflow,whichcanbeusedwithmetalhingejointtopbeamorcanbeusedasan20individualpilla

4、r.Itcanprovidecoalmineageneralmechanizedfacetimberingrooforprovidecoalmineacomprehensivemechanizedfaceasterminationpointsupportingandothertemporarysupporting.二、適用范圍ApplicablescopeDW型支柱適用于下列煤層條件：DWpropisapplicabletothefollowingcoalseamconditions.（一）煤層傾角小于25°的緩傾斜回采工作面；如采取一定的安全措施，使用范圍可擴(kuò)大到傾角25

5、°～35°的傾斜回采工作面。Thecoalbedpitchislessthan25°lowpitchcoalface:iftakecertainsafetysteps,theapplicationscopecanbeexpandedto25°～35°lowpitchcoalface.（二）本支柱系列現(xiàn)有16種規(guī)格，分別適用于采高為0.55～3.5米的煤層。Thispropserieshave16kindsofspecification,whichisapplicableto0.55～3.5coalbedrespectively.（三）煤層頂、底板條件：Theconditio

6、nsofcoalseamroofandfloor1.工作阻力為250KN的支柱，底板抗壓入強(qiáng)度應(yīng)為20Mpa以上工作阻力為300KN的支柱，底板抗壓入強(qiáng)度應(yīng)為28Mpa以上。如底板較軟，支柱壓入底板的深度以不惡化頂板的完整性及不影響支柱的回收為限。否則，應(yīng)采取“穿鞋”或加大底座等措施.Thepropofworkingresistancefor250KN,thefloorcompressivestrengthshouldbeabove20Mpa.Thepropofworkingresistancefor300KN,thefloorcompressivestrengthshou

7、ldbeabove28Mpa.Ifthefloorisabitsoft,thedepthofproppressingintofloorshouldbewithinthelimitsofthecompletenessoftheroofandtherecycleoftheprop.Otherwise,youshouldadoptthemeasuresof“putonyourshoes”orincreasethefloor.2.頂板冒落情況較好，冒落后不影響支柱的回收。Iftheinbreakconditionofroo