| 摘要 |
PURPOSE:To facilitate mounting of servocylinder onto a rotary shaft by a method wherein a servo output is not detected by the movement of a piston rod directly. CONSTITUTION:A plurality of connecting rods 8, arranged on a circle about the center of a blade angle control shaft 5, are screwed into a servopiston 2 in parallel to the shaft 5 while the connecting rods 8 penetrate a coupling 16 so as to be sealed and movable into the axial directions thereof and circular split discs 9 are fixed to the ends of the rods 8. The connecting rods 8 serve as members to detect the position of the servopiston 2 which becomes a servo output. The positions of the connecting rods 8 are detected by a position detector 10 and the servocylinder, which is the output side detecting unit of the servo mechanism, is provided on the rotary shaft of the blade angle control device. |
