| 摘要 |
PURPOSE:To detect easily the magnitude and the direction of a torque by providing a positive torque - hydraulic converting part and a counter torque - hydraulic converting part in a shaft, respectively, measuring the respective pressures, and detecting a torque. CONSTITUTION:When a torque is generated between an input revolving shaft 1 and an output revolving shaft 2, a force of twist operates between the shafts, and when the shape of a part which is in contact with balls 4, 7 of the end face of the output revolving shaft 2 is formed as shown in a development, a force P1 in the rotating direction applied to the ball 4 by a positive torque becomes a force P2 in the axial direction and is applied to a piston 5. When the magnitude of a positive torque applied to the shaft is denoted as T, a pressure P3 applied to a hydraulic detector 14 through oil 16 shows a torque value T by a prescribed relational expression, and the torque T can be measured. Also, when a counter torque is applied, the torque T can be measured by a counter torque detector 15, and the magnitude of the torque and its direction can be detected. |
