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工程机械作业环境恶劣,作业中产生的振动和冲击容易引发电气系统故障。工程机械电气系统发生故障后若不及时修复,将影响施工生产进度。笔者根据多年维修经验,总结出工程机械发生电气故障时的9种应急修理方法。1.外接电源法当由于控制电路或辅助电路断路、电器元件(如直流电源)损坏,造成直流电源中断时,可采用外接电源方法进行应急修理。例如1台正在作业的HBT30型混凝土输送泵突
Construction machinery operating environment is poor, the operation of the vibration and impact easily lead to electrical system failure. Construction machinery electrical system fails if not repaired in time, will affect the progress of construction production. The author based on many years of maintenance experience, summed up the construction machinery electrical failure 9 kinds of emergency repair methods. 1. External power method When the control circuit or auxiliary circuit is open circuit, electrical components (such as DC power) damage, resulting in DC power supply interruption, the external power supply can be used for emergency repairs. For example, a working HBT30 type concrete pump suddenly