Turning gear test board

The utility model relates to the technical field of test benches, and discloses a turning gear test bench, which comprises a bottom plate. Testing a turning gear; the test bed mounting panel is arranged on the test turning gear; and the number of the height adjusting devices is two, and the two height adjusting devices are symmetrically installed on the test turning gear. According to the utility model, when the two groups of height adjusting devices work synchronously, the test bench mounting panel can move upwards or downwards on the test turning gear, so that the height of the test bench mounting panel can be adjusted on the test turning gear; the test turning gear is installed on the bottom plate, the top of the test turning gear is provided with the motor, and replacement of a gear ring on an output shaft of the motor on the test turning gear becomes simpler. The test bench mounting panel can move upwards or downwards on the test turning gear, and the gear ring can be conveniently replaced, so that the t