The brake beam(connecting plate) is often broken, and the bolts for fixing the connecting plate are loosed due to the crane′s dynamic load when D series of crane beams are working in a steel plant.

某钢厂列吊车梁在工作中，由于吊车工作的动态作用，导致制动梁（连接板）经常发生断裂，固定连接板的螺栓松动。

youdao

According to the practical condition, the typical working process of tower crane are analyzed in detail and the tower crane's load case for dynamic analysis are determined.

描述塔式起重机的典型作业过程，分析作业过程中出现最大动载荷的可能工况，从而对塔机结构体系动态分析计算工况作出准确、合理的选择。

youdao

When the wind speed is too high, the most safety measure to wind power set is stop working, the load of wind power set in static state is smaller by far than dynamic state.

风速过高时，对于风机最安全的方法是停机，静态风机受到的载荷要远远小于动态载荷。

youdao