XXX惯性式振动实验桩机的结构设计.doc

惯性式振动实验桩机的结构设计 总计： 表格：2表 插图：11幅 指导教师： 评阅人： 完成时间： 摘 要 惯性式振机，激振系制，水泥制打入以及拔出，了适各种地基条件，存在从低率到高率各种型以及格。是在液静机的基上 本课题研究的性式振沉拔机构包括激振系和工作机体。机的工作机体分台和机构两部分。机构通液力，台的 4 缸接以及机构接，通液的，液缸活塞杆的往复位沉和拔。逆相旋的偏在直方向上生的生的性力进而直方向上生化的激振力，使机生直直方向的振。振沉拔机的性元件四根隔振簧，由于振沉拔机在超共振状下基的荷小，有良好的隔振性能。 了振沉拔机的构参数尺寸率、激振器偏心力矩、激振力、速度。模型。运用算机件制二和三，机构尺寸行改进 关键词：振动沉拔桩机；激振系统；可视化模型 ABSTRACT Inertialvibrationpile driver, this system can be liquefaction of groundsill. Thefabricatedsteel, cementpilepulledinto and out become simple. In order to meeta variety ofground conditions, the presence oflowfrequencyto highfrequency of eachtypesandspecifications. In this text,Inertialvibrationpile driveris totransformthemechanical structure based on thehydro staticspile driver, the periodic forcegeneratedbyhydraulic means, a hydraulicdeviceconsisting offourhydraulic cylinders, hydraulic cylinders up and down thedrain orinto the hydraulicoilmakespileproducecontinuous vibration.Applying astatic by isolationsprings.In order to achieveacombination ofstatic and dynamicpressure. Inertialvibrationpile driver of the researchstructure comprisesexcitationsystemsand theworkbody. Thepileconsists of two partsof the bodyworkdeskandfolderspilepilespressureinstitution. Pile clampingmechanismbypumppressurepile clampingcylinderclampingpiles,pilespressureunits4hydraulic cylinderscoupledwiththe baseandpile clampingmechanism is coupled, by drivingthe hydraulic cylinderpistonreciprocatingdisplacementhydraulic pumpto achievepiles andpile pulling. The core of thepileis theexcitationsystem. Excitationsystems iscounterclockwiserelative rotationby a pair ofeccentricblocksproduced. Eccentricexcitationsystem's blockin the verticaldirectionof theinertia forcegeneratedsuperimposed on each other, andinertial forcesgeneratedin the horizontal directionisoffset each other.Therebychangingvibration exciterproduceexciting forcein the verticaldirection, so thatthe verticallinearvibrationpiledirection.Thevibratingpile driverofthe elasticelement is afourisolation