Experiment device for influence rule of mutual coupling between gear shafting vibration and gear box body vibration by load

The object of the utility model is to provide an experiment device for the influence rule of mutual coupling between gear shafting vibration and gear box body vibration by a load. The experiment device comprises a base, an input shaft, an output shaft, a motor, a gear box assembly and an adjustable torque generator load system, the gear box assembly comprises a gear box body and an engaged gear pair, the engaged gear pair is arranged in the gear box body, the adjustable torque generator load system comprises a generator load and an adjustable load control box connected with each other, the input shaft is connected with a first gear of the engaged gear pair, the output shaft is connected with a second gear of the engaged gear pair, the motor is connected with the input shaft, the generator load is connected with the output shaft, the input shaft is provided with a first coupling, the output shaft between the generator load and the gear box body is provided with a torque sensor, the output shaft between the torque sensor and the gear box body is provided with a second coupling, and the output shaft between the torque sensor and the generator load is provided with a third coupling. The experiment device has an important significance on the guarantee of the shafting safe and regular operation.