The utility model belongs to the technical field of railway orbit controlling, a track inspection tester automatic walking device is proposed, including device fixed part, slide rail, slider, motor, motor wheel and torque spring, the fixed setting on track inspection tester's skeleton in one side of fixed part, the opposite side fixed connection slide rail of fixed part, track along the vertical direction setting of slide rail, slider are slided and are set up in the slide rail, the motor is fixed to be set up on the slider, the shaft ends of motor is provided with the motor wheel, motor wheelrim is provided with the electro -insulating rubber layer, motor wheel with track inspection tester's rail wheel rim contact, two fulcrums of torque spring set up respectively the fixed part with onthe slider. The utility model discloses can realize track inspection tester's automation and at the uniform velocity walk, improve track inspection tester's detection precision and efficiency, can wide application in track inspection field.