论文部分内容阅读
铁路是使用衡器最广泛的部门之一,长期以来一直使用杠杆结构的机械衡器,这种衡器是根据物品的重量,由司磅员增减增铊并移动游铊,使杠杆系统达到平衡状态,从而确定物品的重量。随着客货运量的增加及车速的提高,为及时办理行包和货物运输以及保证列车运行安全,旧式衡器由于操作麻烦而且费时,已愈来愈不适应形势的要求,人们迫切要求用新型衡器来替代旧式衡器。为此,铁路系统中很多单位都在自己研制新型衡器,以应急需。
The railroad is one of the most widely used departments of weighing instruments. For a long time, it has been using a mechanical weighing instrument with lever structure. This weighing instrument is based on the weight of articles, Thus determining the weight of the item. With the increase of passenger and freight traffic volume and speed, in order to timely handle luggage and cargo transportation and ensure the safety of train operation, the old weighing instruments are more and more unsuitable to the situation due to the troublesome and time-consuming operation. People urgently require that new weighing instruments To replace the old scales. To this end, many units in the railway system are developing their own new scales, emergency needs.