Face gear torque distribution transmission uniform load test device and uniform load test method

The invention discloses a face gear torque distribution transmission uniform load test device and a uniform load test method.The face gear torque distribution transmission uniform load test device comprises a first detection piece, a second detection piece and a key phase signal generator, the first detection piece is connected with one tooth root part of a first face gear, and the second detection piece is connected with the key phase signal generator; the first detection piece is used for generating a first face gear tooth root strain value sequence when any cylindrical gear is meshed with the tooth root where the first detection piece is located; the second detection piece is connected with one tooth root of the second face gear and used for generating a second face gear tooth root strain value sequence when any cylindrical gear is meshed with the tooth root where the second detection piece is located, and the key phase signal generator is connected with any cylindrical gear and used for generating a key p