›› 2012, Vol. 32 ›› Issue (6): 16-22.doi: 10.3780/j.issn.1000-758X.2012.06.003
Previous Articles Next Articles
PANG Yu, LIU Zhi-Quan, LI Xin-Li
Received:
Revised:
Published:
Online:
Abstract: Automaticsamplingmechanismisoneoftheimportanttoolsforlunarexplorationsandplaysakeyroleinobtaininglunarsoilsamples.ThusautomaticsamplingtechniqueisakeytechniqueforChineselunarexplorationmission.Anautomaticdrillingsamplingmechanismschemewithcoaxialdouble-tubedrillsandaflexiblesamplebagpick-upwasputforwardfordeeplayerlunarsoilsampling.Thefunction,constructionandprincipleoftheautomaticdrillingsamplingmechanismweredescribedindetail.Byanalyzingthesamplingmechanicalproperty,theoptimizedresultsshowthatspiralangleis14°,axialspeedis5.7 mm/sandrotaryspeedoftheouterdrillis13.1 rad/s.Toobtainsoilfrom1 mdepth,thediameterofdrilltubecouldbebiggerthan7 mm.ThemechanicalmodelsforbothlunarsoilandthedrillwereestablishedbyABAQUSsoftware.Onthebasisofthesemodels,adynamicalsimulationfordrillingprocesswasperformed.Anaverageresistantforceisabout300 Nandanaverageresistanttorqueofthedrillis7.5N·m,whichprovidesimportantreferencesforengineeringdesignoftheautomaticdrillingsamplingmechanism.
Key words: Drilling, Samplingmechanism, Lunarsoil, Lunarexploration
PANG Yu, LIU Zhi-Quan, LI Xin-Li. DesignandAnalysisofAutomaticDrillingSamplingMechanismforLunarExploration[J]. , 2012, 32(6): 16-22.
0 / / Recommend
Add to citation manager EndNote|Reference Manager|ProCite|BibTeX|RefWorks
URL: http://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2012.06.003
http://journal26.magtechjournal.com/kjkxjs/EN/Y2012/V32/I6/16