| 摘要 |
<p>PROBLEM TO BE SOLVED: To reliably hold a swash plate at specified position and to prevent it from separating and dropping from a bearing by driving the one end of a swash plate by a hydraulic servo and pulling the other end toward a front case side by a pulling spring. SOLUTION: A shoe 13 freely connected to the one end of a piston 6 is slided on a thrust plate 7 fixed on the surface of a swash plate 19. Hydraulic pressure is supplied to a servo cylinder to determine the position of the servo piston 24 and the tilting angle of the swash plate 19. In this case, a driving pin 25 mounted on one end of the swash plate 19 is joined to a swash plate driving part 22 mounted on the end of a piston rod 23 of the servo cylinder. A pulling spring 27 is mounted between a driving pin 26 mounted on the other end of the swash plate 19 and a fixing pin 28 mounted on a front case 29 to always pull the swash plate 19 toward the front case 29 side and to press it on a bearing 2 supported by a bearing support 21.</p> |
