滑轮变比法在水电站桥式起重机载荷试验中的应用

Application of Pulley Variable Ratio Method in Load Test of Bridge Crane in Hydropower Station

以某水电站的桥式起重机改造为例,介绍了桥式起重机改造后开展载荷试验的目的和方法,提出了利用滑轮变比法进行动载荷试验的方案,并阐述了该滑轮变比法的原理、适用条件和应用价值。

Taking the reconstruction of bridge crane in a hydropower station as an example,the purpose and method of load tests after the reconstruction of bridge crane are introduced,an approach is put forward to perform mobile load tests based on pulley variable ratio control method as well as the principle,application conditions and application value of such a method are explained.