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滚球.png


滚球.png


滚球    

       观众通过分工协作,逐一操作装置中的简单机械,将球的位置逐步移动,直至走完全程,滚回起始点。然后再次从新开始。通过操作可以了解这些简单机械的原理和应用。该展品包括如下十二种简单机械:1、螺旋下降轨道,2、皮带传送,3、转向阀门,4、凸轮释放,5、锥形齿轮传动,6、杠杆顶升(三级),7、涡轮涡杆传动,8、链轮传送,9、滑轮提升,10、齿条传送,11、连杆升降,12、螺旋升降装置。    

        The participants operate these simple mechanisms through cooperation and teamwork. Step by step, move the ball past each obstacle until the course is completed. The ball will then roll back to the beginning ready to start again. Participants can learn the theory of these mechanisms through their appliance. In total the obstacle course is made up of the following twelve mechanisms: ●Descending spiral track. ●Conveyor belt. ●Switch valve. ●Release cam. ●Tapered-gear drive.●Three-tiered lever rise. ●Turbine and lever drive. ●Sprocket conveyor. ●Elevating pulley. ●Rack conveyor. ●Rising and falling connecting rod. ●Rising and falling spiral.    

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