不等螺距螺旋扶蔗器的设计

530004。。。S225．5+3A1003－188X201012－0080－050。。。1V、1。。。α。0°≤α≤45°45＜α≤135°135°＜α≤180°。1。。β。60°≤β20°[e-mail]。[e-mail]。＜β＜60°0°≤β＜20°1。1．2．3．1Fig．1Thepostureoflodgingsugarcane22。2Fig．2Equidistantspiralsugarcaneproppingdevice。·08·2010121260°2。θ。33。β。、4。。3Fig．3Thestateofearlystageofproppedsugarcane4Fig．4Thestateoflatterstageofproppedsugarcane4。。。。。φ90°。5。5Fig．5Introvertednon－equidistantspiralhelicalvane4．1“”。900～1100mm。1000mm400～500mm。2400mm。5t3V400mm/sR100mm200mm5AAD—200mmα=90°、β=20°。t1t=t1/2。6。6Fig．6Spatialrelationshipsbetweensugarcaneandproppingdevice6ABα=90°、β=20°A'B'tABA'C·18·20101212AA'ADA'E1000mm500mmAD—=200mm。BC1sBC=400mm。CEBCE。∠A'CE=75°。A'C1200mm。∵∠ABD=20°AD—=200mmAD⊥BD∴BD—=549．5mmBD—=600mmAB—=632．5mm。∵A'C=1200mm∠A'CE=75°A'E⊥CE∴CE—=310．6mmCE—=300mm∴A'E=1119．6mmAA'=1047mmA'C1159mm。∵A'C⊥BCB'C=200mm∴A'B'=1176mm∵AB⊥BCAB—=632．5mm∴AB'=663mm∵A'E=1119．6mmAA'=1047mmAD=200mm∴∠AA'E=61．4°∠AA'E=60°。AA'=1200mmA'E=1239mmA'C=1275mmA'B'=1290mm。A'。cos∠AA'B=AA'2+A'B'2－AB'2/2AA'*A'B'∠AA'B=30．6°∠AA'C=35°。R=100mmL=1200mmA600mmCE—=300mmγ=60°45°θ0=20°θ1=35°。4．2。ω—Aa7tALx=Rcosωty=Rsinωtz=v0t+12at{210≤t≤1v0≤vt≤v17Fig．7Thespatialtransformationofproppingdevice7θ0=20°θ1=35°n=5L=1200mmR=100mm。1ω—v0v1a。4．1α=90°、β=20°At=1sω—=10*2πrad/s。Azv0v120°35°8。A。R=100mmθ0l0=2πR*tg20°=229mm。θ1l1=2πR*tg35°=440mm。R=100mmn=5L=1200mm。8Fig．8Twotypesofsingle－segmentequidistantspiral·28·20101212Att=1st't'=t/5v0=l0/t'2v1=v0+at=l1/t'3L=v0t+at2/24R=72mmv0=823mm/sv1=1580mm/sa=757mm/s2。。1YX30°2ZY45°。4．1。x=Rcosωt+vty=Rsinωtz=v0t－t+12at－t{25z1yyyxzyωt2kπ+π22kπ+3π()2aωt2kπ2kπ+π()2∩2kπ+3π22kπ+()πz。x=Rcosωtcos30°+vty=Rsinωtz=v0t－t+12at－t2cos30°－Rsin30°ωt2kπ+π22kπ+3π()2v0t－t+12at－t2cos30°+Rsin30°ωt2kπ2kπ+π()2∩2kπ+3π22kπ+()π62zzzxy。x=Rcosωt+45°cos30°+vty=Rsinωt+45°z=v0t－t+12at－t2cos30°－Rsin30°ωt2kπ+π22kπ+3π()2v0t－t+12at－t2cos30°+Rsin30°ωt2kπ2kπ+π()2∩2kπ+3π22kπ+()π74．3ADAMS。49。10。11。9Fig．9Simulationmodel10Fig．10Thefluctuationofthecentroidposition11Fig．11Thefluctuationofthecentroid’sacceleration·38·2010121211。5。。。1．J．2003426－28．2．D．200811－12．3．D．200821－22．4．J．2005762－64．DesignofNon－equidistantPitchSugarcaneProppingDeviceDongZhenMengYanmeiLiYongminCollegeofMechanicalEngineeringGuangxiUniversityNanning530004ChinaAbstractWiththedevelopmentofmechanizationofsugarcaneharvestinghowtoeffectivelysolvetheraisingoffallensugarcaneisoneofthekeystopromotethedevelopmentofmechanizationofsugarcaneharvesting．Thispaperanalyzesthespecialdetailsoflodgingsugarcaneandthetraditionalspiralsugarcaneproppingdevice’sinsufficiencypresentsanewdesignofnon－equidistantpitchproppingdevicewhichdesignitsphysicalmodelandgivesthemathematicalequa-tionsofnon－equidistancepitchspiral．Throughcomputersimulationitcanbeprovedthattheabovedesignisreasonableandfeasibleanditprovidesanovelandrationalthinkingforthedesignofsugarcaneharvester’sproppingdeviceinthefuture．Keywordssugarcaneproppingdevicespiralnon－equidistantpitchcomputersimulation79AbstractID1003－188X201012－0077－EADesignofInoculatingDeviceforPleurotusEryngiiLiuJingCaiLeiZhuXuejunFanJingboCollegeofMechanicalEngineeringNingxiaUniversityYinchuan750021ChinaAbstractLowinoculatingefficiencyforpleurotuseryngiiisthebottleneckwhichlimitsthelarge－scaleproductionofpleurotuseryngii．Themanualinoculatingmethodoflaboratorymodecannotmeettherequirementsoflarge－scaleindus-trializedproduction．Thispaperdesignsasetofnewinoculatingdevicebasedonactualproductiontechnologyandequip-mentbymeansofsemi－mechanizationandsemi－automationforthepurposeofincreasinginoculatingefficiencydrasti-cally．Itprovidesguaranteetorealizethelarge－scaleindustrializedproduction．Keywordspleurotuseryngiiindustrializedproductioninoculatingdevice·48·20101212