大采高工作面伪斜开采设备上窜下滑机理及控制范志忠

121.1000132.100083“”“”“”、、、。TD528.3A1006-6225201806-0036-04UpandDownMovingMechanismandControlofFalse-inclinedMiningEquipmentwithLargeMiningHeightFANZhi-zhong121.CoalMining＆DesigningDepartmentTiandiScience＆TechnologyCo.Ltd.Beijing100013China2.ＲesourceSchoolChinaUniversityofMiningTechnologyBeijing100083ChinaAbstractThephenomenonupanddownmovingeasilyappearedasworkingfacelayoutwithinclinedanglewhenworkingfacewithlargeinclineangleandminingheightlayoutasfalseinclineway.‘upanddownmoving’mechanismofminingequipmentwasana-lyzedtherelationshipbetweencoalseamdipangleandfalseinclineangleappearedasexponentialcurvetheadaptionobliqueangleratiowasmoresmallerascoalseamdipanglewasmorelargeronlyincreasedfalseinclineanglewouldnotsolvetheproblem.Anothercoaltransportationdirectionofscraperchainanglebetweensupportmovingrodsandworkingfaceadvanceddirectionwerealsothereasons.Theproblemsweresolvedquicklybythefollowingmeasureswhichwereaboutworkingfacerotationcuttingcoalwithlongandshortdistancepropulsionassistedwithsinglepropandadjustingsupportadvanceddirectionwithsupportsideprotectingplatebottomadjustingbeamandpropulsionassistedshortsinglepropandsoonsafetyproductioncouldbeensured.Keywordsfullymechanizedminingwithlargeminingheightfalseinclinedminingupanddownmovinglargeinclinedangle2018－09－20DOI10.13532/j.cnki.cn11－3677/td.2018.06.0092017YFC08043012016YFC0600708514741281979－。.J．201823636－39.、“”1－3。“”、4－6。“”7－8。“”、9。10－12。19711364～417m390.5m。462m220m。63236145201812COALMININGTECHNOLOGYVol.23No.6SeriesNo.145December2018、、4。MG750/1900－GWDZY8000/26/56D1.75mZFT25000/22/45D1ZY8000－24/50D1.4m。9711。。1、1～80.6～1.0m120～0.5～0.8m3.7～4.8m20.7m5.4°10°。19711297112。1127108.6m79.4m29.2m7.6°。220m2.0m。2971121。。。0.3m。0.5m。33.19711。F=Gsinθ－Gμcosθ=Gsinθ－μcosθFGθμ。3.2。。3。αT73201863θ'LF=Gsinθ'－μcosθ'+Tsinαsinθ'=cosα·sinθF=Gcosα·sinθ－μ1－cos2α·sin2槡θ[]+TsinααG－sinα·sinθ－μ1－cos2α·sin2槡θ2·2cosα·sinα·sin2θ[]+Tcosα=0tanα·sinθ+μsinα·sin2θ1－cos2α·sin2槡θ=TGTGθα。4TGGT5TG。45。4TG5TG3.3。T1T2T3T4WzWkWz=qη1+qη2Lcosα－q+q0LsinαWk=q0Lη1cosα+sinαT1=T4+WzT3=T2+WkT1－T3=T4－T2+Wz－Wk≈Wz－WkLmqkN/mq0kN/mη1η2α°。。T2T4T1T3Wz－Wk。6。63.4。7φd1dsinφ。41、83145201867。30、50、70、90、110。2、。1～10。。。3。490%。9711、、、。51。2。。1．M．2003.2．J．201722327－30.3.J．19891217.4.J．20133861001－1005.5.J．201621311－14.6.J．2013303331－336.7．J．201722237－39.8．J．200914593－94.9．J．201823232－34.10.J．201745160－67.11.J．2016413581－585.12．J．20103581252－1256.13.J.20141108－109.14.J.201861487－1503.15.“”J.2011347－49.16.J.201871801－1810.17.J.20171239.18.J.2014194108－111.9320186