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针对采煤机电磁离合器结构和磁路复杂、动作多样、要求抗疲劳强等问题,以某型采煤机为研究对象,分析其组成及装载部动力传递,运用有限元仿真软件EMSworks建立采煤机电磁离合器磁场有限元仿真模型;分析了采煤机电磁离合器磁通密度、磁场分布及磁感应强度等主要磁场参数的分布规律.仿真结果表明,采煤机电磁离合器线圈产生的磁通密度主要分布在圆环U形铁芯U形中心位置,磁场中的圆环U形铁芯产生均匀的电磁力挤压离合器主动盘使其与离合器从动盘接触作用实现对动力的传输;电磁离合器组成部件及其结构决定电磁离合器磁场强度分布及大小.该研究为采煤机电磁离合器结构及磁路优化提供理论依据.“,”Aiming at the problems of high braking performance of electromagnetic clutch structure and magnetic circuit, complicated action, require strong fatigue resistance of shearer. A certain type of shearer has been taken as the research object, and its composition and power transmission of the loading part have been analyzed. The finite element simulation software EMSworks has been used to establish the electromagnetic clutch magnetic field finite element simulation model of the shearer. The distribution law of main magnetic field parameters such as magnetic flux density, magnetic field distribution and magnetic induction intensity of shearer electromagnetic clutch have been analyzed. The simulation results show that the magnetic flux density generated by the shearer electromagnetic clutch coil is mainly distributed in the U-shaped center of the ring U-shaped iron core. The U-shaped iron core in the magnetic field generates a uniform electromagnetic force to squeeze the clutch disk. The contact with the clutch disc acts to realize the transmission of power; the components of the electromagnetic clutch and its structure determine the magnetic field strength distribution and size of the electromagnetic clutch. The research provides a theoretical basis for the electromagnetic clutch structure and magnetic circuit optimization of the shearer.