| 摘要 |
<p>PURPOSE:To utilize thrust of a linear motor effectively by regulating the position of a stator with respect to a reaction plate such that they approach to each other at the time of starting whereas a predetermined interval is maintained at the time of running. CONSTITUTION:A reaction plate 31 is arranged vertically along the running direction in the center at the lower section of a truck body 30 in the lower unit 3B of a carrying truck 3, and the stator 6 of a linear motor is arranged on the frame of a travel path. One or two guide rods 61, 61 are projected from the back face of the stator 6 and slidably inserted into guides 62 provided at the frame side, and the rod 64 of a movable unit 63 such as a cylinder or a motor cylinder is secured to the frame. The movable unit 63 operates the stator 6 retractably, i.e., regulates the position of the stator 6 with respect to the reaction plate 31.</p> |
