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CoalMineMachineryVol.38No.12Dec.20173812201712doi:10.13436/j.mkjx.2017120290,,、,,、,,,。,,,。,。、,,。,,,,。,,、,、;,,,,,、;,,。。,,,。13①,,;②,,;③,、。:(1)1,,,,;准73mm;,准75mm,3;,1m;ZDY1900S、ZDY3200S、ZDY4000S。*(2013XAYCX015)准73mm*(,710077):准73mm。,210,202m,122m,93.8%,,准73mm,,。:;;;;:TD41:A:1003-0794(2017)12-0083-03DesignandApplicationof准73mmTriangularDrillingRodwithArcAngleXUCui-hua(Xi’anResearchInstitute,ChinaCoalTechnologyandEngineeringGroupCorp.,Xi’an710077,China)Abstract:Introducingbrieflythedesignandthecriticalmanufacturingtechnologiesoftriangulardrillingrodwitharcangle.Throughindustrialtests,210holeshadbeenconstructed,themaximumdepthwas202m,theaveragewasnearly122m,theholeformingratereached93.8%.Comparedwiththeconventionaltriangulardrillingrod,thenewdrillingrodwaseasiertodischargecuttingsandhadhigherholeformingrate,caneffectivelyreducetheoccurrenceoffractureaccident,whichshowedthattherodhasgoodapplicationvalueinthesimilarcoalseam.Keywords:triangulardrillingrod;arcangle;fulltriangularstructure;softandoutburstcoalseam;manufacturingtechnology8311.2.3.(2)(2),、2,,,,,40%。,,、,。21.2.(3),G105,R780,。,:/mm准73G105/mm751:8/mm5.08/mm2R780/mm73/mm62/mm6.52准73mm,,,,3。,、、。3(1),,,。(4),,,,,。4(2)、、,。准73mm、、。,,。准73mm,,,,。、、。,1。11,,,。3,,2。3812Vol.38No.12准73mm———1#2#3#/MPa764766813/MPa572578611/%15.314.714.1/mm5.02×8.065.00×8.055.05×8.04KU2/J48.047.550.5U:10mm×5mm×55mm12312α准736.562843812Vol.38No.12准73mm———22,12kNm,40%,ZDY4000S。4,。(1)8363,5#、4#、3#,:①3#,4,,2.75m,f=2~2.5。,,,,4#21.2m;②4#,8,,5.5m,,f=0.4~0.7,,,,,5#5.95m;③5#,4,,、,,5.2m,f=1.0~1.2。,,。(2)准73mm1ZDY1900S、2ZDY3200S1ZDY4000S,210,197,7,5,1;25627.8m;202m,122m;21757.6m,3870.2m。3准73mm准73mm。42。342(3),准73mm准73mm:①,。12.3%6.1%,,、。、6,2.9%;、16,8.6%,准73mm、准73mm33.7%;②,、。6、,1,16.7%;16、,5,31.2%。、准73mm准73mm53.5%;③准73mm,、、,,;,,。5准73mm12kNm,40%。,,;,,,。:[1],,,.[J].,2016,44(5):164-167.[2],,,.[J].,2013,41(3):74-76.[3].[J].,2012,33(5):218-220.[4],,.[J].,2013,41(8):133-136.[5],,,.[J].,2012,40(8):67-70.[6].[J].,2013,34(5):141-142.[7],,.[J].,2013,14(5):22-24[8].[J].,2006(1):52-55.:(1981-),,,,,:,:xucuihua@cctegxian.com.::2017-10-1912345/Nm1205212617145411301313100,,准73mm准73mm/210187/19716451115()76、()/%93.887.7/准73mm准73mm/m11/mm7563.5/mm7373/mm6262.5/mm181785
本文标题:73mm圆弧角三棱钻杆研制及应用
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