近几年,脱粒机在麦场作业中发挥了巨大作用。但因脱粒机多是以电动机为动力,所以在麦场火灾事故中,因电失火的比重大大增加。为避免火灾,必须找出电失火的原因并加以预防。1.电失火的原因(1)使用爬地电缆线车辆路过或脱粒机移动时碾轧电缆线,造 In recent years, threshers have played a huge role in the field operations. However, the threshing machine is mostly driven by a motor, so in the wheat field fire accident, the proportion of electric fire greatly increased. In order to avoid a fire, you must identify the cause of the electrical fire and prevent it. 1. The reasons for electric fire (1) the use of climbing to the cable line when the vehicle moving or threshing machine rolling mill wire, made