6m以上大采高液压支架稳定性分析与控制措施

:2009-07-31:(1982),,,,2005,6m,,(,450013):,ZY10000/28/622#,ZY10000/28/62,6m,,:;;:TD355144:A:1003-0506(2009)10-0014-02StabilityAnalysisandControlMethodsonAbove6mHydraulicSupportswithLargeMiningHeightSUNPan,LIYang,GUODan2dan(ZhengzhouCoalMineMachineryGroupCo.,Ltd.,Zhengzhou450013,China)Abstract:Thestabilityofhydraulicsupportsinthickcoalseam,inclinationseamisafundamentalproblem.ZY10000/28/62hydraulicsupportwasdesignedaccordingtotheconditionsof2#coalseaminYangchangwanCoalMineofNingxiaCoalIndustryGroup.ThepapertookZY10000/28/62asanexample,toexplorestabilityofabove6mhydraulicsupportswithlargeminingheight,andtoanalyzethereasonsfortoppling,soastobringforwardthemeasurestothestabilityofhydraulicsupportsinhighmininginclinationcoalseam,whichisalsoasguidancetothedesignofhydraulicsupportinfully2mechanizedworkingface.Keywords:inclinationcoalseam;hydraulicsupportwithlargeminingheight;stabilityanalysis,21,,,,,,6m2#(414210115m,712m)ZY10000/28/62,,,,12#815,20(6m),8,14414210115m,7120m,f=23,9102#,01120179m,(1652),,22.1,,3:;;2.1.141200910166,,,,,,,,,415m,200300mm,35,2.1.2,,,11:(G+Pw)sin-f1(G+Pw)cos=0(1),G;Pw;;f1(1),,,(),012013,16,,,,,,;,,,,2.1.3,,,,,,,2.2,()2.2.1,,:e=fh(2),e;f;h,,,,,,()2.2.2,,,,,,,,,,,3ZY10000/28/62,,(33)51200910:6m166121201/kN/%/kN/%321763383776455676479680335067395479449875559293332166496479492682535289329665425284466077534687(2)17m,40m,37m(3),,,,ZF6400218/28,,90%,5(1),,,;,,;,,;(2)(),(),,,,,()(3)2120117m,40m,37m(4):ZF6400218/28,21201,(:)(15)3.1,117mm,,80mmZY10000/28/620185mm,112mm,10mm,3.2,,,,ZY10000/28/62,7915kN,79%3.3ZY10000/28/62,,,2:,,,,,4ZY10000/28/62,,,ZY10000/28/62,:[1].[M].:,1999.[2],.[J].,2005(12):56258.[3].[M].:,1992.(:)33200910:166