盾构构造与操作维护-盾构教研室-1733412551335.pptx

盾构构造与操作维护盾构教研室——盾构机刀盘CutterheadofShieldMachine

01盾构机刀盘CutterheadofShieldMachine

1盾构机刀盘CutterheadofShieldMachine刀盘是盾构机的重要组成部分，其上安装有刀具、传感器、泡沫喷出口、搅拌棒等部件，通过旋转对掌子面进行开挖。Cutterheadisanimportantcomponentofshieldmachine,withcutters,sensors,foamnozzles,mixingrods,etc.equippedonit,tunnelfacecanbeexcavatedthroughitsrotation.1.1刀盘的定义ConceptofCutterhead3Wear-resistancestripFoamnuzzleMixingrodOver-excavationcutterDisc-cutterEdgeopeningsscraperopeningsEdgescraper

1盾构机刀盘CutterheadofShieldMachine1.1刀盘的定义ConceptofCutterhead4WearsensorDisccutterEdgescraperMuckopeningsFoamnozzleScraper刀盘开口磨损传感器刮刀周边刮刀滚刀泡沫喷出口

1盾构机刀盘CutterheadofShieldMachine5ActivemixingrodEdgescraperFlangewhichconnectstheCutterheadwiththemaindriveSupportlegWear-resistancestripDragpickax1.1刀盘的定义ConceptofCutterhead主动搅拌棒刀盘法兰贝壳刀刀盘牛腿耐磨合金焊条周边刮刀

1盾构机刀盘CutterheadofShieldMachine1.2刀盘分类ClassificationofCutterheads6全断面隧道掘进机刀盘可分为三种类型：软土刀盘、复合刀盘和硬岩刀盘。软土刀盘适用于软土地层、全风化或强风化硬岩地层（单轴抗压强度≤20MPa）。此类刀盘通常只配备刮刀。Cutterheadsoffull-facetunnelingmachinecanbeclassifiedintothreetypesbasedonthestratumsapplicable：softsoilcutterhead,compoundcutterheadandhardrockcutterhead.SoftsoilCutterheadissuitableforunconsolidatedsoftsoilstratumsandsomefullyweatheredorstronglyweatheredsoftrockstratums(uniaxialcompressivestrength≤20MPa).Thiskindofcutterheadisusuallyequippedwithscrapersonly.Softsoilcutterhead

1盾构机刀盘CutterheadofShieldMachine7硬岩刀盘适用于硬岩地层，通常用于铁路及公路隧道施工。此类刀盘又称为TBM刀盘，通常配备滚刀。Hardrockcutterheadissuitableforhardrockstratums,usuallyappliedinrailwayandhighwaytunnelprojects.AndthiskindofcutterheadisusuallyequippedwithdisccuttersandcalledTBMcutterhead.Compoundcutterhead1.2刀盘分类ClassificationofCutterheads

1盾构机刀盘CutterheadofShieldMachine8就盾构施工项目而言，地质条件通常较为复杂，复合地层非常常见，也就是说，对于同一个项目，盾构机需要同时解决软土地层和硬岩地层。因此，盾