Low-resistance high-rotation-speed oil film motor and oil liquid circulation system

The invention relates to the technical field of motor equipment, in particular to a low-resistance high-rotating-speed oil film motor which comprises a sleeve and a main shaft arranged in the sleeve, bearings are arranged at the two ends of the main shaft, bearing sleeves are arranged outside the bearings, an oil inlet and an oil return opening are formed in the sleeve, the oil inlet is communicated with an oil injection channel, and the oil injection channel is communicated with an oil guide channel for injecting oil into the bearings. The oil return opening communicates with an oil return channel, and the oil return channel communicates with an oil outlet channel used for recovering oil. The invention further relates to an oil circulating system which comprises an oil inlet pipe, an oil return pipe and an oil collecting tank. The invention has the advantages of improving the performance of the motor and saving oil. 本发明涉及一种低阻高转速油膜电机，涉及电机设备的技术领域，包括套筒和设置在套筒内的主轴，主轴两端设置有轴承，轴承外部设置有轴承套，套筒上设置有进油口和回油口，进油口连通有注油道，注油道连