Gearbox fault diagnosis and signal acquisition method and device, and electronic equipment

The invention discloses a gearbox fault diagnosis method and device, a gearbox signal acquisition method and device and electronic equipment, and the diagnosis method comprises the steps: obtaining a real signal of a gearbox and an analog signal generated by the acquisition method, and the real signal comprises a real torque signal, a real vibration signal and a real rotation signal; respectively inputting the analog signal and the real signal into a preset fault diagnosis network to obtain a fault diagnosis result of the gearbox; wherein the preset fault diagnosis network comprises a first neural network used for feature extraction and a second neural network which is provided with a hierarchical attention mechanism and used for outputting a fault diagnosis result, and the preset fault diagnosis network is generated based on simulation signal and real signal training. According to the technical scheme provided by the invention, the data quality of the sensor is improved, and the fault diagnosis accuracy of t