以煤矿井下常用的40 kW刮板输送机为对象,设计了适合煤矿生产的40 kW矿用永磁磁力耦合器,并对其机械特性、软启动特性、效率特性、温升特性进行了测试分析,得出了永磁耦合器是一种高效的动力传递设备,完全具备恒转矩负载驱动能力,且具有明显的过载保护性能和软启动特性。 Taking the 40 kW scraper conveyor commonly used in coal mines as an example, a 40 kW mining permanent magnet magnetic coupling for mining was designed and its mechanical characteristics, soft start characteristics, efficiency characteristics and temperature rise characteristics were tested and analyzed , It is concluded that the permanent magnet coupler is an efficient power transmission device fully equipped with a constant torque load drive capability and has obvious overload protection performance and soft start characteristics.