Test device for simulating interaction between gear and rack rail of rack rail vehicle

The invention relates to the technical field of rack rail traffic, in particular to a test device for simulating interaction between a gear and a rack rail of a rack rail vehicle, which comprises a test rack rail vehicle, a driven device, a vertical excitation applying device and a transverse excitation applying device, the test rack rail vehicle comprises a vehicle wheel pair and a first driving gear, the test rack rail vehicle is supported on the driven device, and the driven device comprises a rack rail wheel meshed with the first driving gear, rail wheels located on the two sides of the rack rail wheel and making contact with the vehicle wheel pair, and a speed regulation gear box connected with the rack rail wheel and the rail wheels. The speed regulation gear box is connected with the speed regulation motor, the vertical excitation applying device is used for adjusting the vertical contact load of the track wheel, and the transverse excitation applying device is used for adjusting the transverse stress