新型运输绞车的动力学仿真

第33卷第09期煤矿机械Vol. 33No 092012年09月Coal Mine Machinery新型运输绞车的动力学仿真孙生中煤科工集团重庆研究院,重庆400039)摘要;新型运输绞车与过往绞车相比,克服了它的不足和缺陷,另外还具有结构呈长条形、牵引力大、软启动等优点,比较适合井下狭窄的作业空间,而且操作方便、安全。以』Y-1型新型运輸绞车为例,建立三维实体模型,利用 ADAMS软件对其进行了运动学及动力学的仿真分析,分析各个零部件之间的运动关系和受力情况,为今后该类绞车的进一步研究提供必要的参考和理论指导关键词:运输绞车; ADAMS;动力学仿真中图分类号:TD526;TP391文献标志码:A文章编号:1003-0794(2012)09-0089-03Dynamics Simulation of New Transport WinchSUN ShengChina Coal Science and Industry Group Chongqing Research Institute, Chongqing 400039, China)Abstract: Compared with traditional transport winch, the new transport winch not only has overcomeinsufficiency and shortcoming, but also has advantage of soft start, long and narrow structure as well aslarge traction force and so on, which can adapt to narrow space of underground coal mine very well,and also, it is safe and convenient. Taking the JY-1 new transport winch as an object of studying, theolid model and assembly design were done by software and then it was carried on kinematics anddynamics simulation by use of ADAMS software after obtaining virtual prototype, and movementrelationships and force conditions between parts were analyzed after that. It is provided a reference fora further study on new transport winchKey words: transport winch; ADAMS; dynamic simulation1新型运输绞车JY-1型新型绞车整体采用了“圆锥齿轮传动行星齿轮软传动-圆柱过桥齿轮传动-圆柱过桥齿轮传动”的闭环传动系统,如图1所示。它克服了以往绞车如慢速绞车、回柱绞车等存在的不足和缺陷。图2JY-1型新型运输绞车的虚拟样机模型3新型运输绞车的动力学仿真3.1运输绞车的仿真条件(1)仿真前提条件在仿真过程中,忽略齿轮和轴的变形,将所有零部件均视为刚体,为了简化模型,对运输绞车的刚体模型做如下假设:①忽略制造误差及安装误图1JY-1型新型运输絞车传动系统图1.过桥轮2小齿轮3.左箱体4制动轮5.大锥齿轮6.小锥齿差;②不考虑齿轮啮合过程中的摩擦热及啮合变轮7中间箱体8内齿圈9太阳轮10行星轮1行星架1右形;③忽略轴承及轴之间的径向窜动,且它们之间箱体的相对转动为理想约束。2新型运输绞车虚拟样机的建立(2)定义约束及施加载荷图2为JY-1型新型运输绞车的虚拟样机,由虚拟样机建好后,其重点内容就是定义各个构减速箱、卷筒制动闸、电机及底座等几个主要部件件之间的联接关系和定义载荷。 ADAMS软件提供组成。要完成虚拟样机的建立,需要在Po/E软件中了基本约束、常用运动副约束高副约束和驱动;4先对各个零部件进行三维实体建模,然后在对其进种类型的力:①作用行装配,装配好后在P0E中定义各个运动件间的柔性连接力;③特中国煤化工载荷:②CNMHG④接触自由度,然后才能在 ADAMS软件中对虚拟样机进力。这些力不会改变水玩的自出度。行运动学和动力学的仿真。(3)碰撞函数的选取Vol 33 No 09新型运输纹车的动力学伤真—孙生第33卷第09期在 ADAMS软件中,碰撞力定义为传动的小齿轮及卷筒的转速与行星轮和过桥轮的≥q0转速方向相反,各个转速方向满足内、外啮合的关F=K(qoq)-C(dg/dt)系ep(, qo,1, 9o, 09