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目前，塔式起重机的应用日趋广泛，为保证培机设备能安全有效地发挥作用，对塔机进行科学地维修管理和故障分析研究是十分必要地。在塔机设备的日常维护和保养工作中，我们对塔机使用过程中出现的各种故障作了记录和结（见表1）：从表中看出，塔式起重机最常见的故障部位是电气
At present, the application of tower cranes is becoming more and more widespread. To ensure that the equipment can safely and effectively operate, it is necessary to conduct scientific maintenance management and fault analysis of tower cranes. In the daily maintenance and maintenance work of the tower crane equipment, we recorded and knotted various faults that occurred in the tower crane use process (see Table 1): From the table we can see that the most common failure parts of the tower crane are electric