95603mm插接密封式宽翼片螺旋钻杆研制

49520185SafetyinCoalMinesVol.49No.5May.2018、、、、、[1-2]。[3-10]。、准94mmPDC+准73/63.5mm。准110mm+准100/63.5mm。2。①、、②③。①②。“”“”[1]。DOI:10.13347/j.cnki.mkaq.2018.05.029准95/60.3mm710077、、、2准95/60.3mm。。8103.5m97m10.4m/h18.3m/h。;TD421.2+5B1003-496X201805-0114-03Desighof准95/60.3mmInsertedSealingTypeScrewRodwithWideBladeDONGChangle,TIANDongzhuang,DONGMengmengChinaCoalTechnologyandEngineeringGroupXi’anResearchInstitute,Xi’an710077,China)Abstract:Inordertosolvetheproblemsofshallowboreholedepth,manydrillingaccidents,lowrateofcoalseamandlowdrillingefficiencyduringdrillinginsoftandoutburstcoalseamrichinpyritenodulesbyusingconventionalwide-wingspiraldrillpipeandinsertedscrewdrillpipe.Byreferringtotheabovetwotypesofdrillingroddischargemechanism,wedesigninsertedsealingtypedrillrodjointtoimprovethestructureofthescrewblade,anddevelop准95/60.3mminsertedsealingtypewidebladescrewrod,andintroducetheitsdesignandthekeymanufacturingtechnology.Throughindustrialtests,8holeshadbeenconstructed,themaximumdepthis103.5m,theaverageisnearly97m,theaveragedrillingefficiencyis10.4m/h,netdrillingefficiencyisabout18.3m/h,whichshowsthattherodhasgoodapplicationvalueinthesimilarcoalseam.Keywords:gasdrainagedrilling;screwdrillingrod;insertedsealing;softandoutburstcoalseam;pyritenodule114··Vol.49No.5May.201849520185SafetyinCoalMines2。13①ZDY3000LG②、、③。1。、2。2。R780准60.3mm×8mm、1.5m。3。20°。31。21。、1mm/1.5m。2。、、[11]。。2、。准95/60.3mm、、、。2。3。[11]。。2。、、、。准95/60.3mm。4。“”“”[1]、。ABBIRB12600+IRC5EWM、[12]。33.11110801m1。1111001110601110804.45m0.1~0.31/mm/mm/mm1001201201751816206/mm准95/60.3准73/63.5准100/63.5112115··49520185SafetyinCoalMinesVol.49No.5May.2018、、、、。3.220151251215准95/60.3mmZDY3000LG准98mm。0~7MPa0.3~0.4MPa200~250r/min。862。90m103.5m97m100%10.4m/h18.3m/h、、、。41准95/60.3mmZDY3000LG。22“”、“”。3准95/60.3mm准98mm、、。4。1．J.2016445164-167.2．J．200937972-74.3．D．2009.4．J.200838757-59.5．J.201239348-51.6．J.2014426114－116.7．J．201136738-40.8．J．20093771-4.9．J．201341374.10．J．201643622-25．11.J.2006152-55.12．J.2017383121-122.1982—2011。2017-11-23116··